yading@10: /* yading@10: * VC-1 and WMV3 decoder yading@10: * Copyright (c) 2011 Mashiat Sarker Shakkhar yading@10: * Copyright (c) 2006-2007 Konstantin Shishkov yading@10: * Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer yading@10: * yading@10: * This file is part of FFmpeg. yading@10: * yading@10: * FFmpeg is free software; you can redistribute it and/or yading@10: * modify it under the terms of the GNU Lesser General Public yading@10: * License as published by the Free Software Foundation; either yading@10: * version 2.1 of the License, or (at your option) any later version. yading@10: * yading@10: * FFmpeg is distributed in the hope that it will be useful, yading@10: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@10: * Lesser General Public License for more details. yading@10: * yading@10: * You should have received a copy of the GNU Lesser General Public yading@10: * License along with FFmpeg; if not, write to the Free Software yading@10: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@10: */ yading@10: yading@10: /** yading@10: * @file yading@10: * VC-1 and WMV3 decoder yading@10: */ yading@10: yading@10: #include "internal.h" yading@10: #include "avcodec.h" yading@10: #include "error_resilience.h" yading@10: #include "mpegvideo.h" yading@10: #include "h263.h" yading@10: #include "h264chroma.h" yading@10: #include "vc1.h" yading@10: #include "vc1data.h" yading@10: #include "vc1acdata.h" yading@10: #include "msmpeg4data.h" yading@10: #include "unary.h" yading@10: #include "mathops.h" yading@10: #include "vdpau_internal.h" yading@10: #include "libavutil/avassert.h" yading@10: yading@10: #undef NDEBUG yading@10: #include yading@10: yading@10: #define MB_INTRA_VLC_BITS 9 yading@10: #define DC_VLC_BITS 9 yading@10: yading@10: yading@10: // offset tables for interlaced picture MVDATA decoding yading@10: static const int offset_table1[9] = { 0, 1, 2, 4, 8, 16, 32, 64, 128 }; yading@10: static const int offset_table2[9] = { 0, 1, 3, 7, 15, 31, 63, 127, 255 }; yading@10: yading@10: /***********************************************************************/ yading@10: /** yading@10: * @name VC-1 Bitplane decoding yading@10: * @see 8.7, p56 yading@10: * @{ yading@10: */ yading@10: yading@10: /** yading@10: * Imode types yading@10: * @{ yading@10: */ yading@10: enum Imode { yading@10: IMODE_RAW, yading@10: IMODE_NORM2, yading@10: IMODE_DIFF2, yading@10: IMODE_NORM6, yading@10: IMODE_DIFF6, yading@10: IMODE_ROWSKIP, yading@10: IMODE_COLSKIP yading@10: }; yading@10: /** @} */ //imode defines yading@10: yading@10: static void init_block_index(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: ff_init_block_index(s); yading@10: if (v->field_mode && !(v->second_field ^ v->tff)) { yading@10: s->dest[0] += s->current_picture_ptr->f.linesize[0]; yading@10: s->dest[1] += s->current_picture_ptr->f.linesize[1]; yading@10: s->dest[2] += s->current_picture_ptr->f.linesize[2]; yading@10: } yading@10: } yading@10: yading@10: yading@10: /** @} */ //Bitplane group yading@10: yading@10: static void vc1_put_signed_blocks_clamped(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int topleft_mb_pos, top_mb_pos; yading@10: int stride_y, fieldtx = 0; yading@10: int v_dist; yading@10: yading@10: /* The put pixels loop is always one MB row behind the decoding loop, yading@10: * because we can only put pixels when overlap filtering is done, and yading@10: * for filtering of the bottom edge of a MB, we need the next MB row yading@10: * present as well. yading@10: * Within the row, the put pixels loop is also one MB col behind the yading@10: * decoding loop. The reason for this is again, because for filtering yading@10: * of the right MB edge, we need the next MB present. */ yading@10: if (!s->first_slice_line) { yading@10: if (s->mb_x) { yading@10: topleft_mb_pos = (s->mb_y - 1) * s->mb_stride + s->mb_x - 1; yading@10: if (v->fcm == ILACE_FRAME) yading@10: fieldtx = v->fieldtx_plane[topleft_mb_pos]; yading@10: stride_y = s->linesize << fieldtx; yading@10: v_dist = (16 - fieldtx) >> (fieldtx == 0); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][0], yading@10: s->dest[0] - 16 * s->linesize - 16, yading@10: stride_y); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][1], yading@10: s->dest[0] - 16 * s->linesize - 8, yading@10: stride_y); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][2], yading@10: s->dest[0] - v_dist * s->linesize - 16, yading@10: stride_y); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][3], yading@10: s->dest[0] - v_dist * s->linesize - 8, yading@10: stride_y); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][4], yading@10: s->dest[1] - 8 * s->uvlinesize - 8, yading@10: s->uvlinesize); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][5], yading@10: s->dest[2] - 8 * s->uvlinesize - 8, yading@10: s->uvlinesize); yading@10: } yading@10: if (s->mb_x == s->mb_width - 1) { yading@10: top_mb_pos = (s->mb_y - 1) * s->mb_stride + s->mb_x; yading@10: if (v->fcm == ILACE_FRAME) yading@10: fieldtx = v->fieldtx_plane[top_mb_pos]; yading@10: stride_y = s->linesize << fieldtx; yading@10: v_dist = fieldtx ? 15 : 8; yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][0], yading@10: s->dest[0] - 16 * s->linesize, yading@10: stride_y); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][1], yading@10: s->dest[0] - 16 * s->linesize + 8, yading@10: stride_y); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][2], yading@10: s->dest[0] - v_dist * s->linesize, yading@10: stride_y); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][3], yading@10: s->dest[0] - v_dist * s->linesize + 8, yading@10: stride_y); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][4], yading@10: s->dest[1] - 8 * s->uvlinesize, yading@10: s->uvlinesize); yading@10: s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][5], yading@10: s->dest[2] - 8 * s->uvlinesize, yading@10: s->uvlinesize); yading@10: } yading@10: } yading@10: yading@10: #define inc_blk_idx(idx) do { \ yading@10: idx++; \ yading@10: if (idx >= v->n_allocated_blks) \ yading@10: idx = 0; \ yading@10: } while (0) yading@10: yading@10: inc_blk_idx(v->topleft_blk_idx); yading@10: inc_blk_idx(v->top_blk_idx); yading@10: inc_blk_idx(v->left_blk_idx); yading@10: inc_blk_idx(v->cur_blk_idx); yading@10: } yading@10: yading@10: static void vc1_loop_filter_iblk(VC1Context *v, int pq) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int j; yading@10: if (!s->first_slice_line) { yading@10: v->vc1dsp.vc1_v_loop_filter16(s->dest[0], s->linesize, pq); yading@10: if (s->mb_x) yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize, s->linesize, pq); yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize + 8, s->linesize, pq); yading@10: for (j = 0; j < 2; j++) { yading@10: v->vc1dsp.vc1_v_loop_filter8(s->dest[j + 1], s->uvlinesize, pq); yading@10: if (s->mb_x) yading@10: v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize, s->uvlinesize, pq); yading@10: } yading@10: } yading@10: v->vc1dsp.vc1_v_loop_filter16(s->dest[0] + 8 * s->linesize, s->linesize, pq); yading@10: yading@10: if (s->mb_y == s->end_mb_y - 1) { yading@10: if (s->mb_x) { yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0], s->linesize, pq); yading@10: v->vc1dsp.vc1_h_loop_filter8(s->dest[1], s->uvlinesize, pq); yading@10: v->vc1dsp.vc1_h_loop_filter8(s->dest[2], s->uvlinesize, pq); yading@10: } yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] + 8, s->linesize, pq); yading@10: } yading@10: } yading@10: yading@10: static void vc1_loop_filter_iblk_delayed(VC1Context *v, int pq) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int j; yading@10: yading@10: /* The loopfilter runs 1 row and 1 column behind the overlap filter, which yading@10: * means it runs two rows/cols behind the decoding loop. */ yading@10: if (!s->first_slice_line) { yading@10: if (s->mb_x) { yading@10: if (s->mb_y >= s->start_mb_y + 2) { yading@10: v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 16 * s->linesize - 16, s->linesize, pq); yading@10: yading@10: if (s->mb_x >= 2) yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize - 16, s->linesize, pq); yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize - 8, s->linesize, pq); yading@10: for (j = 0; j < 2; j++) { yading@10: v->vc1dsp.vc1_v_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize - 8, s->uvlinesize, pq); yading@10: if (s->mb_x >= 2) { yading@10: v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 16 * s->uvlinesize - 8, s->uvlinesize, pq); yading@10: } yading@10: } yading@10: } yading@10: v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 8 * s->linesize - 16, s->linesize, pq); yading@10: } yading@10: yading@10: if (s->mb_x == s->mb_width - 1) { yading@10: if (s->mb_y >= s->start_mb_y + 2) { yading@10: v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 16 * s->linesize, s->linesize, pq); yading@10: yading@10: if (s->mb_x) yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize, s->linesize, pq); yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize + 8, s->linesize, pq); yading@10: for (j = 0; j < 2; j++) { yading@10: v->vc1dsp.vc1_v_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize, s->uvlinesize, pq); yading@10: if (s->mb_x >= 2) { yading@10: v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 16 * s->uvlinesize, s->uvlinesize, pq); yading@10: } yading@10: } yading@10: } yading@10: v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 8 * s->linesize, s->linesize, pq); yading@10: } yading@10: yading@10: if (s->mb_y == s->end_mb_y) { yading@10: if (s->mb_x) { yading@10: if (s->mb_x >= 2) yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize - 16, s->linesize, pq); yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize - 8, s->linesize, pq); yading@10: if (s->mb_x >= 2) { yading@10: for (j = 0; j < 2; j++) { yading@10: v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize - 8, s->uvlinesize, pq); yading@10: } yading@10: } yading@10: } yading@10: yading@10: if (s->mb_x == s->mb_width - 1) { yading@10: if (s->mb_x) yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize, s->linesize, pq); yading@10: v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize + 8, s->linesize, pq); yading@10: if (s->mb_x) { yading@10: for (j = 0; j < 2; j++) { yading@10: v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize, s->uvlinesize, pq); yading@10: } yading@10: } yading@10: } yading@10: } yading@10: } yading@10: } yading@10: yading@10: static void vc1_smooth_overlap_filter_iblk(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int mb_pos; yading@10: yading@10: if (v->condover == CONDOVER_NONE) yading@10: return; yading@10: yading@10: mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: yading@10: /* Within a MB, the horizontal overlap always runs before the vertical. yading@10: * To accomplish that, we run the H on left and internal borders of the yading@10: * currently decoded MB. Then, we wait for the next overlap iteration yading@10: * to do H overlap on the right edge of this MB, before moving over and yading@10: * running the V overlap. Therefore, the V overlap makes us trail by one yading@10: * MB col and the H overlap filter makes us trail by one MB row. This yading@10: * is reflected in the time at which we run the put_pixels loop. */ yading@10: if (v->condover == CONDOVER_ALL || v->pq >= 9 || v->over_flags_plane[mb_pos]) { yading@10: if (s->mb_x && (v->condover == CONDOVER_ALL || v->pq >= 9 || yading@10: v->over_flags_plane[mb_pos - 1])) { yading@10: v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][1], yading@10: v->block[v->cur_blk_idx][0]); yading@10: v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][3], yading@10: v->block[v->cur_blk_idx][2]); yading@10: if (!(s->flags & CODEC_FLAG_GRAY)) { yading@10: v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][4], yading@10: v->block[v->cur_blk_idx][4]); yading@10: v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][5], yading@10: v->block[v->cur_blk_idx][5]); yading@10: } yading@10: } yading@10: v->vc1dsp.vc1_h_s_overlap(v->block[v->cur_blk_idx][0], yading@10: v->block[v->cur_blk_idx][1]); yading@10: v->vc1dsp.vc1_h_s_overlap(v->block[v->cur_blk_idx][2], yading@10: v->block[v->cur_blk_idx][3]); yading@10: yading@10: if (s->mb_x == s->mb_width - 1) { yading@10: if (!s->first_slice_line && (v->condover == CONDOVER_ALL || v->pq >= 9 || yading@10: v->over_flags_plane[mb_pos - s->mb_stride])) { yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][2], yading@10: v->block[v->cur_blk_idx][0]); yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][3], yading@10: v->block[v->cur_blk_idx][1]); yading@10: if (!(s->flags & CODEC_FLAG_GRAY)) { yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][4], yading@10: v->block[v->cur_blk_idx][4]); yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][5], yading@10: v->block[v->cur_blk_idx][5]); yading@10: } yading@10: } yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->cur_blk_idx][0], yading@10: v->block[v->cur_blk_idx][2]); yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->cur_blk_idx][1], yading@10: v->block[v->cur_blk_idx][3]); yading@10: } yading@10: } yading@10: if (s->mb_x && (v->condover == CONDOVER_ALL || v->over_flags_plane[mb_pos - 1])) { yading@10: if (!s->first_slice_line && (v->condover == CONDOVER_ALL || v->pq >= 9 || yading@10: v->over_flags_plane[mb_pos - s->mb_stride - 1])) { yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][2], yading@10: v->block[v->left_blk_idx][0]); yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][3], yading@10: v->block[v->left_blk_idx][1]); yading@10: if (!(s->flags & CODEC_FLAG_GRAY)) { yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][4], yading@10: v->block[v->left_blk_idx][4]); yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][5], yading@10: v->block[v->left_blk_idx][5]); yading@10: } yading@10: } yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->left_blk_idx][0], yading@10: v->block[v->left_blk_idx][2]); yading@10: v->vc1dsp.vc1_v_s_overlap(v->block[v->left_blk_idx][1], yading@10: v->block[v->left_blk_idx][3]); yading@10: } yading@10: } yading@10: yading@10: /** Do motion compensation over 1 macroblock yading@10: * Mostly adapted hpel_motion and qpel_motion from mpegvideo.c yading@10: */ yading@10: static void vc1_mc_1mv(VC1Context *v, int dir) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: H264ChromaContext *h264chroma = &v->h264chroma; yading@10: uint8_t *srcY, *srcU, *srcV; yading@10: int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y; yading@10: int off, off_uv; yading@10: int v_edge_pos = s->v_edge_pos >> v->field_mode; yading@10: int i; yading@10: yading@10: if ((!v->field_mode || yading@10: (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) && yading@10: !v->s.last_picture.f.data[0]) yading@10: return; yading@10: yading@10: mx = s->mv[dir][0][0]; yading@10: my = s->mv[dir][0][1]; yading@10: yading@10: // store motion vectors for further use in B frames yading@10: if (s->pict_type == AV_PICTURE_TYPE_P) { yading@10: for (i = 0; i < 4; i++) { yading@10: s->current_picture.motion_val[1][s->block_index[i] + v->blocks_off][0] = mx; yading@10: s->current_picture.motion_val[1][s->block_index[i] + v->blocks_off][1] = my; yading@10: } yading@10: } yading@10: yading@10: uvmx = (mx + ((mx & 3) == 3)) >> 1; yading@10: uvmy = (my + ((my & 3) == 3)) >> 1; yading@10: v->luma_mv[s->mb_x][0] = uvmx; yading@10: v->luma_mv[s->mb_x][1] = uvmy; yading@10: yading@10: if (v->field_mode && yading@10: v->cur_field_type != v->ref_field_type[dir]) { yading@10: my = my - 2 + 4 * v->cur_field_type; yading@10: uvmy = uvmy - 2 + 4 * v->cur_field_type; yading@10: } yading@10: yading@10: // fastuvmc shall be ignored for interlaced frame picture yading@10: if (v->fastuvmc && (v->fcm != ILACE_FRAME)) { yading@10: uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1)); yading@10: uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1)); yading@10: } yading@10: if (v->field_mode) { // interlaced field picture yading@10: if (!dir) { yading@10: if ((v->cur_field_type != v->ref_field_type[dir]) && v->second_field) { yading@10: srcY = s->current_picture.f.data[0]; yading@10: srcU = s->current_picture.f.data[1]; yading@10: srcV = s->current_picture.f.data[2]; yading@10: } else { yading@10: srcY = s->last_picture.f.data[0]; yading@10: srcU = s->last_picture.f.data[1]; yading@10: srcV = s->last_picture.f.data[2]; yading@10: } yading@10: } else { yading@10: srcY = s->next_picture.f.data[0]; yading@10: srcU = s->next_picture.f.data[1]; yading@10: srcV = s->next_picture.f.data[2]; yading@10: } yading@10: } else { yading@10: if (!dir) { yading@10: srcY = s->last_picture.f.data[0]; yading@10: srcU = s->last_picture.f.data[1]; yading@10: srcV = s->last_picture.f.data[2]; yading@10: } else { yading@10: srcY = s->next_picture.f.data[0]; yading@10: srcU = s->next_picture.f.data[1]; yading@10: srcV = s->next_picture.f.data[2]; yading@10: } yading@10: } yading@10: yading@10: if(!srcY) yading@10: return; yading@10: yading@10: src_x = s->mb_x * 16 + (mx >> 2); yading@10: src_y = s->mb_y * 16 + (my >> 2); yading@10: uvsrc_x = s->mb_x * 8 + (uvmx >> 2); yading@10: uvsrc_y = s->mb_y * 8 + (uvmy >> 2); yading@10: yading@10: if (v->profile != PROFILE_ADVANCED) { yading@10: src_x = av_clip( src_x, -16, s->mb_width * 16); yading@10: src_y = av_clip( src_y, -16, s->mb_height * 16); yading@10: uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8); yading@10: uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8); yading@10: } else { yading@10: src_x = av_clip( src_x, -17, s->avctx->coded_width); yading@10: src_y = av_clip( src_y, -18, s->avctx->coded_height + 1); yading@10: uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); yading@10: uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); yading@10: } yading@10: yading@10: srcY += src_y * s->linesize + src_x; yading@10: srcU += uvsrc_y * s->uvlinesize + uvsrc_x; yading@10: srcV += uvsrc_y * s->uvlinesize + uvsrc_x; yading@10: yading@10: if (v->field_mode && v->ref_field_type[dir]) { yading@10: srcY += s->current_picture_ptr->f.linesize[0]; yading@10: srcU += s->current_picture_ptr->f.linesize[1]; yading@10: srcV += s->current_picture_ptr->f.linesize[2]; yading@10: } yading@10: yading@10: /* for grayscale we should not try to read from unknown area */ yading@10: if (s->flags & CODEC_FLAG_GRAY) { yading@10: srcU = s->edge_emu_buffer + 18 * s->linesize; yading@10: srcV = s->edge_emu_buffer + 18 * s->linesize; yading@10: } yading@10: yading@10: if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP) yading@10: || s->h_edge_pos < 22 || v_edge_pos < 22 yading@10: || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx&3) - 16 - s->mspel * 3 yading@10: || (unsigned)(src_y - 1) > v_edge_pos - (my&3) - 16 - 3) { yading@10: uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize; yading@10: yading@10: srcY -= s->mspel * (1 + s->linesize); yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, yading@10: 17 + s->mspel * 2, 17 + s->mspel * 2, yading@10: src_x - s->mspel, src_y - s->mspel, yading@10: s->h_edge_pos, v_edge_pos); yading@10: srcY = s->edge_emu_buffer; yading@10: s->vdsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, 8 + 1, 8 + 1, yading@10: uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1); yading@10: s->vdsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, 8 + 1, 8 + 1, yading@10: uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1); yading@10: srcU = uvbuf; yading@10: srcV = uvbuf + 16; yading@10: /* if we deal with range reduction we need to scale source blocks */ yading@10: if (v->rangeredfrm) { yading@10: int i, j; yading@10: uint8_t *src, *src2; yading@10: yading@10: src = srcY; yading@10: for (j = 0; j < 17 + s->mspel * 2; j++) { yading@10: for (i = 0; i < 17 + s->mspel * 2; i++) yading@10: src[i] = ((src[i] - 128) >> 1) + 128; yading@10: src += s->linesize; yading@10: } yading@10: src = srcU; yading@10: src2 = srcV; yading@10: for (j = 0; j < 9; j++) { yading@10: for (i = 0; i < 9; i++) { yading@10: src[i] = ((src[i] - 128) >> 1) + 128; yading@10: src2[i] = ((src2[i] - 128) >> 1) + 128; yading@10: } yading@10: src += s->uvlinesize; yading@10: src2 += s->uvlinesize; yading@10: } yading@10: } yading@10: /* if we deal with intensity compensation we need to scale source blocks */ yading@10: if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { yading@10: int i, j; yading@10: uint8_t *src, *src2; yading@10: yading@10: src = srcY; yading@10: for (j = 0; j < 17 + s->mspel * 2; j++) { yading@10: for (i = 0; i < 17 + s->mspel * 2; i++) yading@10: src[i] = v->luty[src[i]]; yading@10: src += s->linesize; yading@10: } yading@10: src = srcU; yading@10: src2 = srcV; yading@10: for (j = 0; j < 9; j++) { yading@10: for (i = 0; i < 9; i++) { yading@10: src[i] = v->lutuv[src[i]]; yading@10: src2[i] = v->lutuv[src2[i]]; yading@10: } yading@10: src += s->uvlinesize; yading@10: src2 += s->uvlinesize; yading@10: } yading@10: } yading@10: srcY += s->mspel * (1 + s->linesize); yading@10: } yading@10: yading@10: off = 0; yading@10: off_uv = 0; yading@10: if (s->mspel) { yading@10: dxy = ((my & 3) << 2) | (mx & 3); yading@10: v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off , srcY , s->linesize, v->rnd); yading@10: v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8, srcY + 8, s->linesize, v->rnd); yading@10: srcY += s->linesize * 8; yading@10: v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize , srcY , s->linesize, v->rnd); yading@10: v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd); yading@10: } else { // hpel mc - always used for luma yading@10: dxy = (my & 2) | ((mx & 2) >> 1); yading@10: if (!v->rnd) yading@10: s->hdsp.put_pixels_tab[0][dxy](s->dest[0] + off, srcY, s->linesize, 16); yading@10: else yading@10: s->hdsp.put_no_rnd_pixels_tab[0][dxy](s->dest[0] + off, srcY, s->linesize, 16); yading@10: } yading@10: yading@10: if (s->flags & CODEC_FLAG_GRAY) return; yading@10: /* Chroma MC always uses qpel bilinear */ yading@10: uvmx = (uvmx & 3) << 1; yading@10: uvmy = (uvmy & 3) << 1; yading@10: if (!v->rnd) { yading@10: h264chroma->put_h264_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy); yading@10: h264chroma->put_h264_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy); yading@10: } else { yading@10: v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy); yading@10: v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy); yading@10: } yading@10: } yading@10: yading@10: static inline int median4(int a, int b, int c, int d) yading@10: { yading@10: if (a < b) { yading@10: if (c < d) return (FFMIN(b, d) + FFMAX(a, c)) / 2; yading@10: else return (FFMIN(b, c) + FFMAX(a, d)) / 2; yading@10: } else { yading@10: if (c < d) return (FFMIN(a, d) + FFMAX(b, c)) / 2; yading@10: else return (FFMIN(a, c) + FFMAX(b, d)) / 2; yading@10: } yading@10: } yading@10: yading@10: /** Do motion compensation for 4-MV macroblock - luminance block yading@10: */ yading@10: static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: uint8_t *srcY; yading@10: int dxy, mx, my, src_x, src_y; yading@10: int off; yading@10: int fieldmv = (v->fcm == ILACE_FRAME) ? v->blk_mv_type[s->block_index[n]] : 0; yading@10: int v_edge_pos = s->v_edge_pos >> v->field_mode; yading@10: yading@10: if ((!v->field_mode || yading@10: (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) && yading@10: !v->s.last_picture.f.data[0]) yading@10: return; yading@10: yading@10: mx = s->mv[dir][n][0]; yading@10: my = s->mv[dir][n][1]; yading@10: yading@10: if (!dir) { yading@10: if (v->field_mode) { yading@10: if ((v->cur_field_type != v->ref_field_type[dir]) && v->second_field) yading@10: srcY = s->current_picture.f.data[0]; yading@10: else yading@10: srcY = s->last_picture.f.data[0]; yading@10: } else yading@10: srcY = s->last_picture.f.data[0]; yading@10: } else yading@10: srcY = s->next_picture.f.data[0]; yading@10: yading@10: if(!srcY) yading@10: return; yading@10: yading@10: if (v->field_mode) { yading@10: if (v->cur_field_type != v->ref_field_type[dir]) yading@10: my = my - 2 + 4 * v->cur_field_type; yading@10: } yading@10: yading@10: if (s->pict_type == AV_PICTURE_TYPE_P && n == 3 && v->field_mode) { yading@10: int same_count = 0, opp_count = 0, k; yading@10: int chosen_mv[2][4][2], f; yading@10: int tx, ty; yading@10: for (k = 0; k < 4; k++) { yading@10: f = v->mv_f[0][s->block_index[k] + v->blocks_off]; yading@10: chosen_mv[f][f ? opp_count : same_count][0] = s->mv[0][k][0]; yading@10: chosen_mv[f][f ? opp_count : same_count][1] = s->mv[0][k][1]; yading@10: opp_count += f; yading@10: same_count += 1 - f; yading@10: } yading@10: f = opp_count > same_count; yading@10: switch (f ? opp_count : same_count) { yading@10: case 4: yading@10: tx = median4(chosen_mv[f][0][0], chosen_mv[f][1][0], yading@10: chosen_mv[f][2][0], chosen_mv[f][3][0]); yading@10: ty = median4(chosen_mv[f][0][1], chosen_mv[f][1][1], yading@10: chosen_mv[f][2][1], chosen_mv[f][3][1]); yading@10: break; yading@10: case 3: yading@10: tx = mid_pred(chosen_mv[f][0][0], chosen_mv[f][1][0], chosen_mv[f][2][0]); yading@10: ty = mid_pred(chosen_mv[f][0][1], chosen_mv[f][1][1], chosen_mv[f][2][1]); yading@10: break; yading@10: case 2: yading@10: tx = (chosen_mv[f][0][0] + chosen_mv[f][1][0]) / 2; yading@10: ty = (chosen_mv[f][0][1] + chosen_mv[f][1][1]) / 2; yading@10: break; yading@10: default: yading@10: av_assert2(0); yading@10: } yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = tx; yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = ty; yading@10: for (k = 0; k < 4; k++) yading@10: v->mv_f[1][s->block_index[k] + v->blocks_off] = f; yading@10: } yading@10: yading@10: if (v->fcm == ILACE_FRAME) { // not sure if needed for other types of picture yading@10: int qx, qy; yading@10: int width = s->avctx->coded_width; yading@10: int height = s->avctx->coded_height >> 1; yading@10: if (s->pict_type == AV_PICTURE_TYPE_P) { yading@10: s->current_picture.motion_val[1][s->block_index[n] + v->blocks_off][0] = mx; yading@10: s->current_picture.motion_val[1][s->block_index[n] + v->blocks_off][1] = my; yading@10: } yading@10: qx = (s->mb_x * 16) + (mx >> 2); yading@10: qy = (s->mb_y * 8) + (my >> 3); yading@10: yading@10: if (qx < -17) yading@10: mx -= 4 * (qx + 17); yading@10: else if (qx > width) yading@10: mx -= 4 * (qx - width); yading@10: if (qy < -18) yading@10: my -= 8 * (qy + 18); yading@10: else if (qy > height + 1) yading@10: my -= 8 * (qy - height - 1); yading@10: } yading@10: yading@10: if ((v->fcm == ILACE_FRAME) && fieldmv) yading@10: off = ((n > 1) ? s->linesize : 0) + (n & 1) * 8; yading@10: else yading@10: off = s->linesize * 4 * (n & 2) + (n & 1) * 8; yading@10: yading@10: src_x = s->mb_x * 16 + (n & 1) * 8 + (mx >> 2); yading@10: if (!fieldmv) yading@10: src_y = s->mb_y * 16 + (n & 2) * 4 + (my >> 2); yading@10: else yading@10: src_y = s->mb_y * 16 + ((n > 1) ? 1 : 0) + (my >> 2); yading@10: yading@10: if (v->profile != PROFILE_ADVANCED) { yading@10: src_x = av_clip(src_x, -16, s->mb_width * 16); yading@10: src_y = av_clip(src_y, -16, s->mb_height * 16); yading@10: } else { yading@10: src_x = av_clip(src_x, -17, s->avctx->coded_width); yading@10: if (v->fcm == ILACE_FRAME) { yading@10: if (src_y & 1) yading@10: src_y = av_clip(src_y, -17, s->avctx->coded_height + 1); yading@10: else yading@10: src_y = av_clip(src_y, -18, s->avctx->coded_height); yading@10: } else { yading@10: src_y = av_clip(src_y, -18, s->avctx->coded_height + 1); yading@10: } yading@10: } yading@10: yading@10: srcY += src_y * s->linesize + src_x; yading@10: if (v->field_mode && v->ref_field_type[dir]) yading@10: srcY += s->current_picture_ptr->f.linesize[0]; yading@10: yading@10: if (fieldmv && !(src_y & 1)) yading@10: v_edge_pos--; yading@10: if (fieldmv && (src_y & 1) && src_y < 4) yading@10: src_y--; yading@10: if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP) yading@10: || s->h_edge_pos < 13 || v_edge_pos < 23 yading@10: || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx & 3) - 8 - s->mspel * 2 yading@10: || (unsigned)(src_y - (s->mspel << fieldmv)) > v_edge_pos - (my & 3) - ((8 + s->mspel * 2) << fieldmv)) { yading@10: srcY -= s->mspel * (1 + (s->linesize << fieldmv)); yading@10: /* check emulate edge stride and offset */ yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, yading@10: 9 + s->mspel * 2, (9 + s->mspel * 2) << fieldmv, yading@10: src_x - s->mspel, src_y - (s->mspel << fieldmv), yading@10: s->h_edge_pos, v_edge_pos); yading@10: srcY = s->edge_emu_buffer; yading@10: /* if we deal with range reduction we need to scale source blocks */ yading@10: if (v->rangeredfrm) { yading@10: int i, j; yading@10: uint8_t *src; yading@10: yading@10: src = srcY; yading@10: for (j = 0; j < 9 + s->mspel * 2; j++) { yading@10: for (i = 0; i < 9 + s->mspel * 2; i++) yading@10: src[i] = ((src[i] - 128) >> 1) + 128; yading@10: src += s->linesize << fieldmv; yading@10: } yading@10: } yading@10: /* if we deal with intensity compensation we need to scale source blocks */ yading@10: if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { yading@10: int i, j; yading@10: uint8_t *src; yading@10: yading@10: src = srcY; yading@10: for (j = 0; j < 9 + s->mspel * 2; j++) { yading@10: for (i = 0; i < 9 + s->mspel * 2; i++) yading@10: src[i] = v->luty[src[i]]; yading@10: src += s->linesize << fieldmv; yading@10: } yading@10: } yading@10: srcY += s->mspel * (1 + (s->linesize << fieldmv)); yading@10: } yading@10: yading@10: if (s->mspel) { yading@10: dxy = ((my & 3) << 2) | (mx & 3); yading@10: if (avg) yading@10: v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd); yading@10: else yading@10: v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd); yading@10: } else { // hpel mc - always used for luma yading@10: dxy = (my & 2) | ((mx & 2) >> 1); yading@10: if (!v->rnd) yading@10: s->hdsp.put_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize, 8); yading@10: else yading@10: s->hdsp.put_no_rnd_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize, 8); yading@10: } yading@10: } yading@10: yading@10: static av_always_inline int get_chroma_mv(int *mvx, int *mvy, int *a, int flag, int *tx, int *ty) yading@10: { yading@10: int idx, i; yading@10: static const int count[16] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; yading@10: yading@10: idx = ((a[3] != flag) << 3) yading@10: | ((a[2] != flag) << 2) yading@10: | ((a[1] != flag) << 1) yading@10: | (a[0] != flag); yading@10: if (!idx) { yading@10: *tx = median4(mvx[0], mvx[1], mvx[2], mvx[3]); yading@10: *ty = median4(mvy[0], mvy[1], mvy[2], mvy[3]); yading@10: return 4; yading@10: } else if (count[idx] == 1) { yading@10: switch (idx) { yading@10: case 0x1: yading@10: *tx = mid_pred(mvx[1], mvx[2], mvx[3]); yading@10: *ty = mid_pred(mvy[1], mvy[2], mvy[3]); yading@10: return 3; yading@10: case 0x2: yading@10: *tx = mid_pred(mvx[0], mvx[2], mvx[3]); yading@10: *ty = mid_pred(mvy[0], mvy[2], mvy[3]); yading@10: return 3; yading@10: case 0x4: yading@10: *tx = mid_pred(mvx[0], mvx[1], mvx[3]); yading@10: *ty = mid_pred(mvy[0], mvy[1], mvy[3]); yading@10: return 3; yading@10: case 0x8: yading@10: *tx = mid_pred(mvx[0], mvx[1], mvx[2]); yading@10: *ty = mid_pred(mvy[0], mvy[1], mvy[2]); yading@10: return 3; yading@10: } yading@10: } else if (count[idx] == 2) { yading@10: int t1 = 0, t2 = 0; yading@10: for (i = 0; i < 3; i++) yading@10: if (!a[i]) { yading@10: t1 = i; yading@10: break; yading@10: } yading@10: for (i = t1 + 1; i < 4; i++) yading@10: if (!a[i]) { yading@10: t2 = i; yading@10: break; yading@10: } yading@10: *tx = (mvx[t1] + mvx[t2]) / 2; yading@10: *ty = (mvy[t1] + mvy[t2]) / 2; yading@10: return 2; yading@10: } else { yading@10: return 0; yading@10: } yading@10: return -1; yading@10: } yading@10: yading@10: /** Do motion compensation for 4-MV macroblock - both chroma blocks yading@10: */ yading@10: static void vc1_mc_4mv_chroma(VC1Context *v, int dir) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: H264ChromaContext *h264chroma = &v->h264chroma; yading@10: uint8_t *srcU, *srcV; yading@10: int uvmx, uvmy, uvsrc_x, uvsrc_y; yading@10: int k, tx = 0, ty = 0; yading@10: int mvx[4], mvy[4], intra[4], mv_f[4]; yading@10: int valid_count; yading@10: int chroma_ref_type = v->cur_field_type, off = 0; yading@10: int v_edge_pos = s->v_edge_pos >> v->field_mode; yading@10: yading@10: if (!v->field_mode && !v->s.last_picture.f.data[0]) yading@10: return; yading@10: if (s->flags & CODEC_FLAG_GRAY) yading@10: return; yading@10: yading@10: for (k = 0; k < 4; k++) { yading@10: mvx[k] = s->mv[dir][k][0]; yading@10: mvy[k] = s->mv[dir][k][1]; yading@10: intra[k] = v->mb_type[0][s->block_index[k]]; yading@10: if (v->field_mode) yading@10: mv_f[k] = v->mv_f[dir][s->block_index[k] + v->blocks_off]; yading@10: } yading@10: yading@10: /* calculate chroma MV vector from four luma MVs */ yading@10: if (!v->field_mode || (v->field_mode && !v->numref)) { yading@10: valid_count = get_chroma_mv(mvx, mvy, intra, 0, &tx, &ty); yading@10: chroma_ref_type = v->reffield; yading@10: if (!valid_count) { yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0; yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0; yading@10: v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0; yading@10: return; //no need to do MC for intra blocks yading@10: } yading@10: } else { yading@10: int dominant = 0; yading@10: if (mv_f[0] + mv_f[1] + mv_f[2] + mv_f[3] > 2) yading@10: dominant = 1; yading@10: valid_count = get_chroma_mv(mvx, mvy, mv_f, dominant, &tx, &ty); yading@10: if (dominant) yading@10: chroma_ref_type = !v->cur_field_type; yading@10: } yading@10: if (v->field_mode && chroma_ref_type == 1 && v->cur_field_type == 1 && !v->s.last_picture.f.data[0]) yading@10: return; yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = tx; yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = ty; yading@10: uvmx = (tx + ((tx & 3) == 3)) >> 1; yading@10: uvmy = (ty + ((ty & 3) == 3)) >> 1; yading@10: yading@10: v->luma_mv[s->mb_x][0] = uvmx; yading@10: v->luma_mv[s->mb_x][1] = uvmy; yading@10: yading@10: if (v->fastuvmc) { yading@10: uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1)); yading@10: uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1)); yading@10: } yading@10: // Field conversion bias yading@10: if (v->cur_field_type != chroma_ref_type) yading@10: uvmy += 2 - 4 * chroma_ref_type; yading@10: yading@10: uvsrc_x = s->mb_x * 8 + (uvmx >> 2); yading@10: uvsrc_y = s->mb_y * 8 + (uvmy >> 2); yading@10: yading@10: if (v->profile != PROFILE_ADVANCED) { yading@10: uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8); yading@10: uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8); yading@10: } else { yading@10: uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); yading@10: uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); yading@10: } yading@10: yading@10: if (!dir) { yading@10: if (v->field_mode) { yading@10: if ((v->cur_field_type != chroma_ref_type) && v->cur_field_type) { yading@10: srcU = s->current_picture.f.data[1]; yading@10: srcV = s->current_picture.f.data[2]; yading@10: } else { yading@10: srcU = s->last_picture.f.data[1]; yading@10: srcV = s->last_picture.f.data[2]; yading@10: } yading@10: } else { yading@10: srcU = s->last_picture.f.data[1]; yading@10: srcV = s->last_picture.f.data[2]; yading@10: } yading@10: } else { yading@10: srcU = s->next_picture.f.data[1]; yading@10: srcV = s->next_picture.f.data[2]; yading@10: } yading@10: yading@10: if(!srcU) yading@10: return; yading@10: yading@10: srcU += uvsrc_y * s->uvlinesize + uvsrc_x; yading@10: srcV += uvsrc_y * s->uvlinesize + uvsrc_x; yading@10: yading@10: if (v->field_mode) { yading@10: if (chroma_ref_type) { yading@10: srcU += s->current_picture_ptr->f.linesize[1]; yading@10: srcV += s->current_picture_ptr->f.linesize[2]; yading@10: } yading@10: off = 0; yading@10: } yading@10: yading@10: if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP) yading@10: || s->h_edge_pos < 18 || v_edge_pos < 18 yading@10: || (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 9 yading@10: || (unsigned)uvsrc_y > (v_edge_pos >> 1) - 9) { yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer , srcU, s->uvlinesize, yading@10: 8 + 1, 8 + 1, uvsrc_x, uvsrc_y, yading@10: s->h_edge_pos >> 1, v_edge_pos >> 1); yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV, s->uvlinesize, yading@10: 8 + 1, 8 + 1, uvsrc_x, uvsrc_y, yading@10: s->h_edge_pos >> 1, v_edge_pos >> 1); yading@10: srcU = s->edge_emu_buffer; yading@10: srcV = s->edge_emu_buffer + 16; yading@10: yading@10: /* if we deal with range reduction we need to scale source blocks */ yading@10: if (v->rangeredfrm) { yading@10: int i, j; yading@10: uint8_t *src, *src2; yading@10: yading@10: src = srcU; yading@10: src2 = srcV; yading@10: for (j = 0; j < 9; j++) { yading@10: for (i = 0; i < 9; i++) { yading@10: src[i] = ((src[i] - 128) >> 1) + 128; yading@10: src2[i] = ((src2[i] - 128) >> 1) + 128; yading@10: } yading@10: src += s->uvlinesize; yading@10: src2 += s->uvlinesize; yading@10: } yading@10: } yading@10: /* if we deal with intensity compensation we need to scale source blocks */ yading@10: if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { yading@10: int i, j; yading@10: uint8_t *src, *src2; yading@10: yading@10: src = srcU; yading@10: src2 = srcV; yading@10: for (j = 0; j < 9; j++) { yading@10: for (i = 0; i < 9; i++) { yading@10: src[i] = v->lutuv[src[i]]; yading@10: src2[i] = v->lutuv[src2[i]]; yading@10: } yading@10: src += s->uvlinesize; yading@10: src2 += s->uvlinesize; yading@10: } yading@10: } yading@10: } yading@10: yading@10: /* Chroma MC always uses qpel bilinear */ yading@10: uvmx = (uvmx & 3) << 1; yading@10: uvmy = (uvmy & 3) << 1; yading@10: if (!v->rnd) { yading@10: h264chroma->put_h264_chroma_pixels_tab[0](s->dest[1] + off, srcU, s->uvlinesize, 8, uvmx, uvmy); yading@10: h264chroma->put_h264_chroma_pixels_tab[0](s->dest[2] + off, srcV, s->uvlinesize, 8, uvmx, uvmy); yading@10: } else { yading@10: v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off, srcU, s->uvlinesize, 8, uvmx, uvmy); yading@10: v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off, srcV, s->uvlinesize, 8, uvmx, uvmy); yading@10: } yading@10: } yading@10: yading@10: /** Do motion compensation for 4-MV field chroma macroblock (both U and V) yading@10: */ yading@10: static void vc1_mc_4mv_chroma4(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: H264ChromaContext *h264chroma = &v->h264chroma; yading@10: uint8_t *srcU, *srcV; yading@10: int uvsrc_x, uvsrc_y; yading@10: int uvmx_field[4], uvmy_field[4]; yading@10: int i, off, tx, ty; yading@10: int fieldmv = v->blk_mv_type[s->block_index[0]]; yading@10: static const int s_rndtblfield[16] = { 0, 0, 1, 2, 4, 4, 5, 6, 2, 2, 3, 8, 6, 6, 7, 12 }; yading@10: int v_dist = fieldmv ? 1 : 4; // vertical offset for lower sub-blocks yading@10: int v_edge_pos = s->v_edge_pos >> 1; yading@10: yading@10: if (!v->s.last_picture.f.data[0]) yading@10: return; yading@10: if (s->flags & CODEC_FLAG_GRAY) yading@10: return; yading@10: yading@10: for (i = 0; i < 4; i++) { yading@10: tx = s->mv[0][i][0]; yading@10: uvmx_field[i] = (tx + ((tx & 3) == 3)) >> 1; yading@10: ty = s->mv[0][i][1]; yading@10: if (fieldmv) yading@10: uvmy_field[i] = (ty >> 4) * 8 + s_rndtblfield[ty & 0xF]; yading@10: else yading@10: uvmy_field[i] = (ty + ((ty & 3) == 3)) >> 1; yading@10: } yading@10: yading@10: for (i = 0; i < 4; i++) { yading@10: off = (i & 1) * 4 + ((i & 2) ? v_dist * s->uvlinesize : 0); yading@10: uvsrc_x = s->mb_x * 8 + (i & 1) * 4 + (uvmx_field[i] >> 2); yading@10: uvsrc_y = s->mb_y * 8 + ((i & 2) ? v_dist : 0) + (uvmy_field[i] >> 2); yading@10: // FIXME: implement proper pull-back (see vc1cropmv.c, vc1CROPMV_ChromaPullBack()) yading@10: uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); yading@10: uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); yading@10: srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x; yading@10: srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x; yading@10: uvmx_field[i] = (uvmx_field[i] & 3) << 1; yading@10: uvmy_field[i] = (uvmy_field[i] & 3) << 1; yading@10: yading@10: if (fieldmv && !(uvsrc_y & 1)) yading@10: v_edge_pos = (s->v_edge_pos >> 1) - 1; yading@10: yading@10: if (fieldmv && (uvsrc_y & 1) && uvsrc_y < 2) yading@10: uvsrc_y--; yading@10: if ((v->mv_mode == MV_PMODE_INTENSITY_COMP) yading@10: || s->h_edge_pos < 10 || v_edge_pos < (5 << fieldmv) yading@10: || (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 5 yading@10: || (unsigned)uvsrc_y > v_edge_pos - (5 << fieldmv)) { yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcU, s->uvlinesize, yading@10: 5, (5 << fieldmv), uvsrc_x, uvsrc_y, yading@10: s->h_edge_pos >> 1, v_edge_pos); yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV, s->uvlinesize, yading@10: 5, (5 << fieldmv), uvsrc_x, uvsrc_y, yading@10: s->h_edge_pos >> 1, v_edge_pos); yading@10: srcU = s->edge_emu_buffer; yading@10: srcV = s->edge_emu_buffer + 16; yading@10: yading@10: /* if we deal with intensity compensation we need to scale source blocks */ yading@10: if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { yading@10: int i, j; yading@10: uint8_t *src, *src2; yading@10: yading@10: src = srcU; yading@10: src2 = srcV; yading@10: for (j = 0; j < 5; j++) { yading@10: for (i = 0; i < 5; i++) { yading@10: src[i] = v->lutuv[src[i]]; yading@10: src2[i] = v->lutuv[src2[i]]; yading@10: } yading@10: src += s->uvlinesize << 1; yading@10: src2 += s->uvlinesize << 1; yading@10: } yading@10: } yading@10: } yading@10: if (!v->rnd) { yading@10: h264chroma->put_h264_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); yading@10: h264chroma->put_h264_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); yading@10: } else { yading@10: v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); yading@10: v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); yading@10: } yading@10: } yading@10: } yading@10: yading@10: /***********************************************************************/ yading@10: /** yading@10: * @name VC-1 Block-level functions yading@10: * @see 7.1.4, p91 and 8.1.1.7, p(1)04 yading@10: * @{ yading@10: */ yading@10: yading@10: /** yading@10: * @def GET_MQUANT yading@10: * @brief Get macroblock-level quantizer scale yading@10: */ yading@10: #define GET_MQUANT() \ yading@10: if (v->dquantfrm) { \ yading@10: int edges = 0; \ yading@10: if (v->dqprofile == DQPROFILE_ALL_MBS) { \ yading@10: if (v->dqbilevel) { \ yading@10: mquant = (get_bits1(gb)) ? v->altpq : v->pq; \ yading@10: } else { \ yading@10: mqdiff = get_bits(gb, 3); \ yading@10: if (mqdiff != 7) \ yading@10: mquant = v->pq + mqdiff; \ yading@10: else \ yading@10: mquant = get_bits(gb, 5); \ yading@10: } \ yading@10: } \ yading@10: if (v->dqprofile == DQPROFILE_SINGLE_EDGE) \ yading@10: edges = 1 << v->dqsbedge; \ yading@10: else if (v->dqprofile == DQPROFILE_DOUBLE_EDGES) \ yading@10: edges = (3 << v->dqsbedge) % 15; \ yading@10: else if (v->dqprofile == DQPROFILE_FOUR_EDGES) \ yading@10: edges = 15; \ yading@10: if ((edges&1) && !s->mb_x) \ yading@10: mquant = v->altpq; \ yading@10: if ((edges&2) && s->first_slice_line) \ yading@10: mquant = v->altpq; \ yading@10: if ((edges&4) && s->mb_x == (s->mb_width - 1)) \ yading@10: mquant = v->altpq; \ yading@10: if ((edges&8) && s->mb_y == (s->mb_height - 1)) \ yading@10: mquant = v->altpq; \ yading@10: if (!mquant || mquant > 31) { \ yading@10: av_log(v->s.avctx, AV_LOG_ERROR, \ yading@10: "Overriding invalid mquant %d\n", mquant); \ yading@10: mquant = 1; \ yading@10: } \ yading@10: } yading@10: yading@10: /** yading@10: * @def GET_MVDATA(_dmv_x, _dmv_y) yading@10: * @brief Get MV differentials yading@10: * @see MVDATA decoding from 8.3.5.2, p(1)20 yading@10: * @param _dmv_x Horizontal differential for decoded MV yading@10: * @param _dmv_y Vertical differential for decoded MV yading@10: */ yading@10: #define GET_MVDATA(_dmv_x, _dmv_y) \ yading@10: index = 1 + get_vlc2(gb, ff_vc1_mv_diff_vlc[s->mv_table_index].table, \ yading@10: VC1_MV_DIFF_VLC_BITS, 2); \ yading@10: if (index > 36) { \ yading@10: mb_has_coeffs = 1; \ yading@10: index -= 37; \ yading@10: } else \ yading@10: mb_has_coeffs = 0; \ yading@10: s->mb_intra = 0; \ yading@10: if (!index) { \ yading@10: _dmv_x = _dmv_y = 0; \ yading@10: } else if (index == 35) { \ yading@10: _dmv_x = get_bits(gb, v->k_x - 1 + s->quarter_sample); \ yading@10: _dmv_y = get_bits(gb, v->k_y - 1 + s->quarter_sample); \ yading@10: } else if (index == 36) { \ yading@10: _dmv_x = 0; \ yading@10: _dmv_y = 0; \ yading@10: s->mb_intra = 1; \ yading@10: } else { \ yading@10: index1 = index % 6; \ yading@10: if (!s->quarter_sample && index1 == 5) val = 1; \ yading@10: else val = 0; \ yading@10: if (size_table[index1] - val > 0) \ yading@10: val = get_bits(gb, size_table[index1] - val); \ yading@10: else val = 0; \ yading@10: sign = 0 - (val&1); \ yading@10: _dmv_x = (sign ^ ((val>>1) + offset_table[index1])) - sign; \ yading@10: \ yading@10: index1 = index / 6; \ yading@10: if (!s->quarter_sample && index1 == 5) val = 1; \ yading@10: else val = 0; \ yading@10: if (size_table[index1] - val > 0) \ yading@10: val = get_bits(gb, size_table[index1] - val); \ yading@10: else val = 0; \ yading@10: sign = 0 - (val & 1); \ yading@10: _dmv_y = (sign ^ ((val >> 1) + offset_table[index1])) - sign; \ yading@10: } yading@10: yading@10: static av_always_inline void get_mvdata_interlaced(VC1Context *v, int *dmv_x, yading@10: int *dmv_y, int *pred_flag) yading@10: { yading@10: int index, index1; yading@10: int extend_x = 0, extend_y = 0; yading@10: GetBitContext *gb = &v->s.gb; yading@10: int bits, esc; yading@10: int val, sign; yading@10: const int* offs_tab; yading@10: yading@10: if (v->numref) { yading@10: bits = VC1_2REF_MVDATA_VLC_BITS; yading@10: esc = 125; yading@10: } else { yading@10: bits = VC1_1REF_MVDATA_VLC_BITS; yading@10: esc = 71; yading@10: } yading@10: switch (v->dmvrange) { yading@10: case 1: yading@10: extend_x = 1; yading@10: break; yading@10: case 2: yading@10: extend_y = 1; yading@10: break; yading@10: case 3: yading@10: extend_x = extend_y = 1; yading@10: break; yading@10: } yading@10: index = get_vlc2(gb, v->imv_vlc->table, bits, 3); yading@10: if (index == esc) { yading@10: *dmv_x = get_bits(gb, v->k_x); yading@10: *dmv_y = get_bits(gb, v->k_y); yading@10: if (v->numref) { yading@10: if (pred_flag) { yading@10: *pred_flag = *dmv_y & 1; yading@10: *dmv_y = (*dmv_y + *pred_flag) >> 1; yading@10: } else { yading@10: *dmv_y = (*dmv_y + (*dmv_y & 1)) >> 1; yading@10: } yading@10: } yading@10: } yading@10: else { yading@10: av_assert0(index < esc); yading@10: if (extend_x) yading@10: offs_tab = offset_table2; yading@10: else yading@10: offs_tab = offset_table1; yading@10: index1 = (index + 1) % 9; yading@10: if (index1 != 0) { yading@10: val = get_bits(gb, index1 + extend_x); yading@10: sign = 0 -(val & 1); yading@10: *dmv_x = (sign ^ ((val >> 1) + offs_tab[index1])) - sign; yading@10: } else yading@10: *dmv_x = 0; yading@10: if (extend_y) yading@10: offs_tab = offset_table2; yading@10: else yading@10: offs_tab = offset_table1; yading@10: index1 = (index + 1) / 9; yading@10: if (index1 > v->numref) { yading@10: val = get_bits(gb, (index1 + (extend_y << v->numref)) >> v->numref); yading@10: sign = 0 - (val & 1); yading@10: *dmv_y = (sign ^ ((val >> 1) + offs_tab[index1 >> v->numref])) - sign; yading@10: } else yading@10: *dmv_y = 0; yading@10: if (v->numref && pred_flag) yading@10: *pred_flag = index1 & 1; yading@10: } yading@10: } yading@10: yading@10: static av_always_inline int scaleforsame_x(VC1Context *v, int n /* MV */, int dir) yading@10: { yading@10: int scaledvalue, refdist; yading@10: int scalesame1, scalesame2; yading@10: int scalezone1_x, zone1offset_x; yading@10: int table_index = dir ^ v->second_field; yading@10: yading@10: if (v->s.pict_type != AV_PICTURE_TYPE_B) yading@10: refdist = v->refdist; yading@10: else yading@10: refdist = dir ? v->brfd : v->frfd; yading@10: if (refdist > 3) yading@10: refdist = 3; yading@10: scalesame1 = ff_vc1_field_mvpred_scales[table_index][1][refdist]; yading@10: scalesame2 = ff_vc1_field_mvpred_scales[table_index][2][refdist]; yading@10: scalezone1_x = ff_vc1_field_mvpred_scales[table_index][3][refdist]; yading@10: zone1offset_x = ff_vc1_field_mvpred_scales[table_index][5][refdist]; yading@10: yading@10: if (FFABS(n) > 255) yading@10: scaledvalue = n; yading@10: else { yading@10: if (FFABS(n) < scalezone1_x) yading@10: scaledvalue = (n * scalesame1) >> 8; yading@10: else { yading@10: if (n < 0) yading@10: scaledvalue = ((n * scalesame2) >> 8) - zone1offset_x; yading@10: else yading@10: scaledvalue = ((n * scalesame2) >> 8) + zone1offset_x; yading@10: } yading@10: } yading@10: return av_clip(scaledvalue, -v->range_x, v->range_x - 1); yading@10: } yading@10: yading@10: static av_always_inline int scaleforsame_y(VC1Context *v, int i, int n /* MV */, int dir) yading@10: { yading@10: int scaledvalue, refdist; yading@10: int scalesame1, scalesame2; yading@10: int scalezone1_y, zone1offset_y; yading@10: int table_index = dir ^ v->second_field; yading@10: yading@10: if (v->s.pict_type != AV_PICTURE_TYPE_B) yading@10: refdist = v->refdist; yading@10: else yading@10: refdist = dir ? v->brfd : v->frfd; yading@10: if (refdist > 3) yading@10: refdist = 3; yading@10: scalesame1 = ff_vc1_field_mvpred_scales[table_index][1][refdist]; yading@10: scalesame2 = ff_vc1_field_mvpred_scales[table_index][2][refdist]; yading@10: scalezone1_y = ff_vc1_field_mvpred_scales[table_index][4][refdist]; yading@10: zone1offset_y = ff_vc1_field_mvpred_scales[table_index][6][refdist]; yading@10: yading@10: if (FFABS(n) > 63) yading@10: scaledvalue = n; yading@10: else { yading@10: if (FFABS(n) < scalezone1_y) yading@10: scaledvalue = (n * scalesame1) >> 8; yading@10: else { yading@10: if (n < 0) yading@10: scaledvalue = ((n * scalesame2) >> 8) - zone1offset_y; yading@10: else yading@10: scaledvalue = ((n * scalesame2) >> 8) + zone1offset_y; yading@10: } yading@10: } yading@10: yading@10: if (v->cur_field_type && !v->ref_field_type[dir]) yading@10: return av_clip(scaledvalue, -v->range_y / 2 + 1, v->range_y / 2); yading@10: else yading@10: return av_clip(scaledvalue, -v->range_y / 2, v->range_y / 2 - 1); yading@10: } yading@10: yading@10: static av_always_inline int scaleforopp_x(VC1Context *v, int n /* MV */) yading@10: { yading@10: int scalezone1_x, zone1offset_x; yading@10: int scaleopp1, scaleopp2, brfd; yading@10: int scaledvalue; yading@10: yading@10: brfd = FFMIN(v->brfd, 3); yading@10: scalezone1_x = ff_vc1_b_field_mvpred_scales[3][brfd]; yading@10: zone1offset_x = ff_vc1_b_field_mvpred_scales[5][brfd]; yading@10: scaleopp1 = ff_vc1_b_field_mvpred_scales[1][brfd]; yading@10: scaleopp2 = ff_vc1_b_field_mvpred_scales[2][brfd]; yading@10: yading@10: if (FFABS(n) > 255) yading@10: scaledvalue = n; yading@10: else { yading@10: if (FFABS(n) < scalezone1_x) yading@10: scaledvalue = (n * scaleopp1) >> 8; yading@10: else { yading@10: if (n < 0) yading@10: scaledvalue = ((n * scaleopp2) >> 8) - zone1offset_x; yading@10: else yading@10: scaledvalue = ((n * scaleopp2) >> 8) + zone1offset_x; yading@10: } yading@10: } yading@10: return av_clip(scaledvalue, -v->range_x, v->range_x - 1); yading@10: } yading@10: yading@10: static av_always_inline int scaleforopp_y(VC1Context *v, int n /* MV */, int dir) yading@10: { yading@10: int scalezone1_y, zone1offset_y; yading@10: int scaleopp1, scaleopp2, brfd; yading@10: int scaledvalue; yading@10: yading@10: brfd = FFMIN(v->brfd, 3); yading@10: scalezone1_y = ff_vc1_b_field_mvpred_scales[4][brfd]; yading@10: zone1offset_y = ff_vc1_b_field_mvpred_scales[6][brfd]; yading@10: scaleopp1 = ff_vc1_b_field_mvpred_scales[1][brfd]; yading@10: scaleopp2 = ff_vc1_b_field_mvpred_scales[2][brfd]; yading@10: yading@10: if (FFABS(n) > 63) yading@10: scaledvalue = n; yading@10: else { yading@10: if (FFABS(n) < scalezone1_y) yading@10: scaledvalue = (n * scaleopp1) >> 8; yading@10: else { yading@10: if (n < 0) yading@10: scaledvalue = ((n * scaleopp2) >> 8) - zone1offset_y; yading@10: else yading@10: scaledvalue = ((n * scaleopp2) >> 8) + zone1offset_y; yading@10: } yading@10: } yading@10: if (v->cur_field_type && !v->ref_field_type[dir]) { yading@10: return av_clip(scaledvalue, -v->range_y / 2 + 1, v->range_y / 2); yading@10: } else { yading@10: return av_clip(scaledvalue, -v->range_y / 2, v->range_y / 2 - 1); yading@10: } yading@10: } yading@10: yading@10: static av_always_inline int scaleforsame(VC1Context *v, int i, int n /* MV */, yading@10: int dim, int dir) yading@10: { yading@10: int brfd, scalesame; yading@10: int hpel = 1 - v->s.quarter_sample; yading@10: yading@10: n >>= hpel; yading@10: if (v->s.pict_type != AV_PICTURE_TYPE_B || v->second_field || !dir) { yading@10: if (dim) yading@10: n = scaleforsame_y(v, i, n, dir) << hpel; yading@10: else yading@10: n = scaleforsame_x(v, n, dir) << hpel; yading@10: return n; yading@10: } yading@10: brfd = FFMIN(v->brfd, 3); yading@10: scalesame = ff_vc1_b_field_mvpred_scales[0][brfd]; yading@10: yading@10: n = (n * scalesame >> 8) << hpel; yading@10: return n; yading@10: } yading@10: yading@10: static av_always_inline int scaleforopp(VC1Context *v, int n /* MV */, yading@10: int dim, int dir) yading@10: { yading@10: int refdist, scaleopp; yading@10: int hpel = 1 - v->s.quarter_sample; yading@10: yading@10: n >>= hpel; yading@10: if (v->s.pict_type == AV_PICTURE_TYPE_B && !v->second_field && dir == 1) { yading@10: if (dim) yading@10: n = scaleforopp_y(v, n, dir) << hpel; yading@10: else yading@10: n = scaleforopp_x(v, n) << hpel; yading@10: return n; yading@10: } yading@10: if (v->s.pict_type != AV_PICTURE_TYPE_B) yading@10: refdist = FFMIN(v->refdist, 3); yading@10: else yading@10: refdist = dir ? v->brfd : v->frfd; yading@10: scaleopp = ff_vc1_field_mvpred_scales[dir ^ v->second_field][0][refdist]; yading@10: yading@10: n = (n * scaleopp >> 8) << hpel; yading@10: return n; yading@10: } yading@10: yading@10: /** Predict and set motion vector yading@10: */ yading@10: static inline void vc1_pred_mv(VC1Context *v, int n, int dmv_x, int dmv_y, yading@10: int mv1, int r_x, int r_y, uint8_t* is_intra, yading@10: int pred_flag, int dir) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int xy, wrap, off = 0; yading@10: int16_t *A, *B, *C; yading@10: int px, py; yading@10: int sum; yading@10: int mixedmv_pic, num_samefield = 0, num_oppfield = 0; yading@10: int opposite, a_f, b_f, c_f; yading@10: int16_t field_predA[2]; yading@10: int16_t field_predB[2]; yading@10: int16_t field_predC[2]; yading@10: int a_valid, b_valid, c_valid; yading@10: int hybridmv_thresh, y_bias = 0; yading@10: yading@10: if (v->mv_mode == MV_PMODE_MIXED_MV || yading@10: ((v->mv_mode == MV_PMODE_INTENSITY_COMP) && (v->mv_mode2 == MV_PMODE_MIXED_MV))) yading@10: mixedmv_pic = 1; yading@10: else yading@10: mixedmv_pic = 0; yading@10: /* scale MV difference to be quad-pel */ yading@10: dmv_x <<= 1 - s->quarter_sample; yading@10: dmv_y <<= 1 - s->quarter_sample; yading@10: yading@10: wrap = s->b8_stride; yading@10: xy = s->block_index[n]; yading@10: yading@10: if (s->mb_intra) { yading@10: s->mv[0][n][0] = s->current_picture.motion_val[0][xy + v->blocks_off][0] = 0; yading@10: s->mv[0][n][1] = s->current_picture.motion_val[0][xy + v->blocks_off][1] = 0; yading@10: s->current_picture.motion_val[1][xy + v->blocks_off][0] = 0; yading@10: s->current_picture.motion_val[1][xy + v->blocks_off][1] = 0; yading@10: if (mv1) { /* duplicate motion data for 1-MV block */ yading@10: s->current_picture.motion_val[0][xy + 1 + v->blocks_off][0] = 0; yading@10: s->current_picture.motion_val[0][xy + 1 + v->blocks_off][1] = 0; yading@10: s->current_picture.motion_val[0][xy + wrap + v->blocks_off][0] = 0; yading@10: s->current_picture.motion_val[0][xy + wrap + v->blocks_off][1] = 0; yading@10: s->current_picture.motion_val[0][xy + wrap + 1 + v->blocks_off][0] = 0; yading@10: s->current_picture.motion_val[0][xy + wrap + 1 + v->blocks_off][1] = 0; yading@10: v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0; yading@10: s->current_picture.motion_val[1][xy + 1 + v->blocks_off][0] = 0; yading@10: s->current_picture.motion_val[1][xy + 1 + v->blocks_off][1] = 0; yading@10: s->current_picture.motion_val[1][xy + wrap][0] = 0; yading@10: s->current_picture.motion_val[1][xy + wrap + v->blocks_off][1] = 0; yading@10: s->current_picture.motion_val[1][xy + wrap + 1 + v->blocks_off][0] = 0; yading@10: s->current_picture.motion_val[1][xy + wrap + 1 + v->blocks_off][1] = 0; yading@10: } yading@10: return; yading@10: } yading@10: yading@10: C = s->current_picture.motion_val[dir][xy - 1 + v->blocks_off]; yading@10: A = s->current_picture.motion_val[dir][xy - wrap + v->blocks_off]; yading@10: if (mv1) { yading@10: if (v->field_mode && mixedmv_pic) yading@10: off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2; yading@10: else yading@10: off = (s->mb_x == (s->mb_width - 1)) ? -1 : 2; yading@10: } else { yading@10: //in 4-MV mode different blocks have different B predictor position yading@10: switch (n) { yading@10: case 0: yading@10: off = (s->mb_x > 0) ? -1 : 1; yading@10: break; yading@10: case 1: yading@10: off = (s->mb_x == (s->mb_width - 1)) ? -1 : 1; yading@10: break; yading@10: case 2: yading@10: off = 1; yading@10: break; yading@10: case 3: yading@10: off = -1; yading@10: } yading@10: } yading@10: B = s->current_picture.motion_val[dir][xy - wrap + off + v->blocks_off]; yading@10: yading@10: a_valid = !s->first_slice_line || (n == 2 || n == 3); yading@10: b_valid = a_valid && (s->mb_width > 1); yading@10: c_valid = s->mb_x || (n == 1 || n == 3); yading@10: if (v->field_mode) { yading@10: a_valid = a_valid && !is_intra[xy - wrap]; yading@10: b_valid = b_valid && !is_intra[xy - wrap + off]; yading@10: c_valid = c_valid && !is_intra[xy - 1]; yading@10: } yading@10: yading@10: if (a_valid) { yading@10: a_f = v->mv_f[dir][xy - wrap + v->blocks_off]; yading@10: num_oppfield += a_f; yading@10: num_samefield += 1 - a_f; yading@10: field_predA[0] = A[0]; yading@10: field_predA[1] = A[1]; yading@10: } else { yading@10: field_predA[0] = field_predA[1] = 0; yading@10: a_f = 0; yading@10: } yading@10: if (b_valid) { yading@10: b_f = v->mv_f[dir][xy - wrap + off + v->blocks_off]; yading@10: num_oppfield += b_f; yading@10: num_samefield += 1 - b_f; yading@10: field_predB[0] = B[0]; yading@10: field_predB[1] = B[1]; yading@10: } else { yading@10: field_predB[0] = field_predB[1] = 0; yading@10: b_f = 0; yading@10: } yading@10: if (c_valid) { yading@10: c_f = v->mv_f[dir][xy - 1 + v->blocks_off]; yading@10: num_oppfield += c_f; yading@10: num_samefield += 1 - c_f; yading@10: field_predC[0] = C[0]; yading@10: field_predC[1] = C[1]; yading@10: } else { yading@10: field_predC[0] = field_predC[1] = 0; yading@10: c_f = 0; yading@10: } yading@10: yading@10: if (v->field_mode) { yading@10: if (!v->numref) yading@10: // REFFIELD determines if the last field or the second-last field is yading@10: // to be used as reference yading@10: opposite = 1 - v->reffield; yading@10: else { yading@10: if (num_samefield <= num_oppfield) yading@10: opposite = 1 - pred_flag; yading@10: else yading@10: opposite = pred_flag; yading@10: } yading@10: } else yading@10: opposite = 0; yading@10: if (opposite) { yading@10: if (a_valid && !a_f) { yading@10: field_predA[0] = scaleforopp(v, field_predA[0], 0, dir); yading@10: field_predA[1] = scaleforopp(v, field_predA[1], 1, dir); yading@10: } yading@10: if (b_valid && !b_f) { yading@10: field_predB[0] = scaleforopp(v, field_predB[0], 0, dir); yading@10: field_predB[1] = scaleforopp(v, field_predB[1], 1, dir); yading@10: } yading@10: if (c_valid && !c_f) { yading@10: field_predC[0] = scaleforopp(v, field_predC[0], 0, dir); yading@10: field_predC[1] = scaleforopp(v, field_predC[1], 1, dir); yading@10: } yading@10: v->mv_f[dir][xy + v->blocks_off] = 1; yading@10: v->ref_field_type[dir] = !v->cur_field_type; yading@10: } else { yading@10: if (a_valid && a_f) { yading@10: field_predA[0] = scaleforsame(v, n, field_predA[0], 0, dir); yading@10: field_predA[1] = scaleforsame(v, n, field_predA[1], 1, dir); yading@10: } yading@10: if (b_valid && b_f) { yading@10: field_predB[0] = scaleforsame(v, n, field_predB[0], 0, dir); yading@10: field_predB[1] = scaleforsame(v, n, field_predB[1], 1, dir); yading@10: } yading@10: if (c_valid && c_f) { yading@10: field_predC[0] = scaleforsame(v, n, field_predC[0], 0, dir); yading@10: field_predC[1] = scaleforsame(v, n, field_predC[1], 1, dir); yading@10: } yading@10: v->mv_f[dir][xy + v->blocks_off] = 0; yading@10: v->ref_field_type[dir] = v->cur_field_type; yading@10: } yading@10: yading@10: if (a_valid) { yading@10: px = field_predA[0]; yading@10: py = field_predA[1]; yading@10: } else if (c_valid) { yading@10: px = field_predC[0]; yading@10: py = field_predC[1]; yading@10: } else if (b_valid) { yading@10: px = field_predB[0]; yading@10: py = field_predB[1]; yading@10: } else { yading@10: px = 0; yading@10: py = 0; yading@10: } yading@10: yading@10: if (num_samefield + num_oppfield > 1) { yading@10: px = mid_pred(field_predA[0], field_predB[0], field_predC[0]); yading@10: py = mid_pred(field_predA[1], field_predB[1], field_predC[1]); yading@10: } yading@10: yading@10: /* Pullback MV as specified in 8.3.5.3.4 */ yading@10: if (!v->field_mode) { yading@10: int qx, qy, X, Y; yading@10: qx = (s->mb_x << 6) + ((n == 1 || n == 3) ? 32 : 0); yading@10: qy = (s->mb_y << 6) + ((n == 2 || n == 3) ? 32 : 0); yading@10: X = (s->mb_width << 6) - 4; yading@10: Y = (s->mb_height << 6) - 4; yading@10: if (mv1) { yading@10: if (qx + px < -60) px = -60 - qx; yading@10: if (qy + py < -60) py = -60 - qy; yading@10: } else { yading@10: if (qx + px < -28) px = -28 - qx; yading@10: if (qy + py < -28) py = -28 - qy; yading@10: } yading@10: if (qx + px > X) px = X - qx; yading@10: if (qy + py > Y) py = Y - qy; yading@10: } yading@10: yading@10: if (!v->field_mode || s->pict_type != AV_PICTURE_TYPE_B) { yading@10: /* Calculate hybrid prediction as specified in 8.3.5.3.5 (also 10.3.5.4.3.5) */ yading@10: hybridmv_thresh = 32; yading@10: if (a_valid && c_valid) { yading@10: if (is_intra[xy - wrap]) yading@10: sum = FFABS(px) + FFABS(py); yading@10: else yading@10: sum = FFABS(px - field_predA[0]) + FFABS(py - field_predA[1]); yading@10: if (sum > hybridmv_thresh) { yading@10: if (get_bits1(&s->gb)) { // read HYBRIDPRED bit yading@10: px = field_predA[0]; yading@10: py = field_predA[1]; yading@10: } else { yading@10: px = field_predC[0]; yading@10: py = field_predC[1]; yading@10: } yading@10: } else { yading@10: if (is_intra[xy - 1]) yading@10: sum = FFABS(px) + FFABS(py); yading@10: else yading@10: sum = FFABS(px - field_predC[0]) + FFABS(py - field_predC[1]); yading@10: if (sum > hybridmv_thresh) { yading@10: if (get_bits1(&s->gb)) { yading@10: px = field_predA[0]; yading@10: py = field_predA[1]; yading@10: } else { yading@10: px = field_predC[0]; yading@10: py = field_predC[1]; yading@10: } yading@10: } yading@10: } yading@10: } yading@10: } yading@10: yading@10: if (v->field_mode && v->numref) yading@10: r_y >>= 1; yading@10: if (v->field_mode && v->cur_field_type && v->ref_field_type[dir] == 0) yading@10: y_bias = 1; yading@10: /* store MV using signed modulus of MV range defined in 4.11 */ yading@10: s->mv[dir][n][0] = s->current_picture.motion_val[dir][xy + v->blocks_off][0] = ((px + dmv_x + r_x) & ((r_x << 1) - 1)) - r_x; yading@10: s->mv[dir][n][1] = s->current_picture.motion_val[dir][xy + v->blocks_off][1] = ((py + dmv_y + r_y - y_bias) & ((r_y << 1) - 1)) - r_y + y_bias; yading@10: if (mv1) { /* duplicate motion data for 1-MV block */ yading@10: s->current_picture.motion_val[dir][xy + 1 + v->blocks_off][0] = s->current_picture.motion_val[dir][xy + v->blocks_off][0]; yading@10: s->current_picture.motion_val[dir][xy + 1 + v->blocks_off][1] = s->current_picture.motion_val[dir][xy + v->blocks_off][1]; yading@10: s->current_picture.motion_val[dir][xy + wrap + v->blocks_off][0] = s->current_picture.motion_val[dir][xy + v->blocks_off][0]; yading@10: s->current_picture.motion_val[dir][xy + wrap + v->blocks_off][1] = s->current_picture.motion_val[dir][xy + v->blocks_off][1]; yading@10: s->current_picture.motion_val[dir][xy + wrap + 1 + v->blocks_off][0] = s->current_picture.motion_val[dir][xy + v->blocks_off][0]; yading@10: s->current_picture.motion_val[dir][xy + wrap + 1 + v->blocks_off][1] = s->current_picture.motion_val[dir][xy + v->blocks_off][1]; yading@10: v->mv_f[dir][xy + 1 + v->blocks_off] = v->mv_f[dir][xy + v->blocks_off]; yading@10: v->mv_f[dir][xy + wrap + v->blocks_off] = v->mv_f[dir][xy + wrap + 1 + v->blocks_off] = v->mv_f[dir][xy + v->blocks_off]; yading@10: } yading@10: } yading@10: yading@10: /** Predict and set motion vector for interlaced frame picture MBs yading@10: */ yading@10: static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y, yading@10: int mvn, int r_x, int r_y, uint8_t* is_intra, int dir) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int xy, wrap, off = 0; yading@10: int A[2], B[2], C[2]; yading@10: int px, py; yading@10: int a_valid = 0, b_valid = 0, c_valid = 0; yading@10: int field_a, field_b, field_c; // 0: same, 1: opposit yading@10: int total_valid, num_samefield, num_oppfield; yading@10: int pos_c, pos_b, n_adj; yading@10: yading@10: wrap = s->b8_stride; yading@10: xy = s->block_index[n]; yading@10: yading@10: if (s->mb_intra) { yading@10: s->mv[0][n][0] = s->current_picture.motion_val[0][xy][0] = 0; yading@10: s->mv[0][n][1] = s->current_picture.motion_val[0][xy][1] = 0; yading@10: s->current_picture.motion_val[1][xy][0] = 0; yading@10: s->current_picture.motion_val[1][xy][1] = 0; yading@10: if (mvn == 1) { /* duplicate motion data for 1-MV block */ yading@10: s->current_picture.motion_val[0][xy + 1][0] = 0; yading@10: s->current_picture.motion_val[0][xy + 1][1] = 0; yading@10: s->current_picture.motion_val[0][xy + wrap][0] = 0; yading@10: s->current_picture.motion_val[0][xy + wrap][1] = 0; yading@10: s->current_picture.motion_val[0][xy + wrap + 1][0] = 0; yading@10: s->current_picture.motion_val[0][xy + wrap + 1][1] = 0; yading@10: v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0; yading@10: s->current_picture.motion_val[1][xy + 1][0] = 0; yading@10: s->current_picture.motion_val[1][xy + 1][1] = 0; yading@10: s->current_picture.motion_val[1][xy + wrap][0] = 0; yading@10: s->current_picture.motion_val[1][xy + wrap][1] = 0; yading@10: s->current_picture.motion_val[1][xy + wrap + 1][0] = 0; yading@10: s->current_picture.motion_val[1][xy + wrap + 1][1] = 0; yading@10: } yading@10: return; yading@10: } yading@10: yading@10: off = ((n == 0) || (n == 1)) ? 1 : -1; yading@10: /* predict A */ yading@10: if (s->mb_x || (n == 1) || (n == 3)) { yading@10: if ((v->blk_mv_type[xy]) // current block (MB) has a field MV yading@10: || (!v->blk_mv_type[xy] && !v->blk_mv_type[xy - 1])) { // or both have frame MV yading@10: A[0] = s->current_picture.motion_val[dir][xy - 1][0]; yading@10: A[1] = s->current_picture.motion_val[dir][xy - 1][1]; yading@10: a_valid = 1; yading@10: } else { // current block has frame mv and cand. has field MV (so average) yading@10: A[0] = (s->current_picture.motion_val[dir][xy - 1][0] yading@10: + s->current_picture.motion_val[dir][xy - 1 + off * wrap][0] + 1) >> 1; yading@10: A[1] = (s->current_picture.motion_val[dir][xy - 1][1] yading@10: + s->current_picture.motion_val[dir][xy - 1 + off * wrap][1] + 1) >> 1; yading@10: a_valid = 1; yading@10: } yading@10: if (!(n & 1) && v->is_intra[s->mb_x - 1]) { yading@10: a_valid = 0; yading@10: A[0] = A[1] = 0; yading@10: } yading@10: } else yading@10: A[0] = A[1] = 0; yading@10: /* Predict B and C */ yading@10: B[0] = B[1] = C[0] = C[1] = 0; yading@10: if (n == 0 || n == 1 || v->blk_mv_type[xy]) { yading@10: if (!s->first_slice_line) { yading@10: if (!v->is_intra[s->mb_x - s->mb_stride]) { yading@10: b_valid = 1; yading@10: n_adj = n | 2; yading@10: pos_b = s->block_index[n_adj] - 2 * wrap; yading@10: if (v->blk_mv_type[pos_b] && v->blk_mv_type[xy]) { yading@10: n_adj = (n & 2) | (n & 1); yading@10: } yading@10: B[0] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap][0]; yading@10: B[1] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap][1]; yading@10: if (v->blk_mv_type[pos_b] && !v->blk_mv_type[xy]) { yading@10: B[0] = (B[0] + s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap][0] + 1) >> 1; yading@10: B[1] = (B[1] + s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap][1] + 1) >> 1; yading@10: } yading@10: } yading@10: if (s->mb_width > 1) { yading@10: if (!v->is_intra[s->mb_x - s->mb_stride + 1]) { yading@10: c_valid = 1; yading@10: n_adj = 2; yading@10: pos_c = s->block_index[2] - 2 * wrap + 2; yading@10: if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) { yading@10: n_adj = n & 2; yading@10: } yading@10: C[0] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap + 2][0]; yading@10: C[1] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap + 2][1]; yading@10: if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) { yading@10: C[0] = (1 + C[0] + (s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap + 2][0])) >> 1; yading@10: C[1] = (1 + C[1] + (s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap + 2][1])) >> 1; yading@10: } yading@10: if (s->mb_x == s->mb_width - 1) { yading@10: if (!v->is_intra[s->mb_x - s->mb_stride - 1]) { yading@10: c_valid = 1; yading@10: n_adj = 3; yading@10: pos_c = s->block_index[3] - 2 * wrap - 2; yading@10: if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) { yading@10: n_adj = n | 1; yading@10: } yading@10: C[0] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap - 2][0]; yading@10: C[1] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap - 2][1]; yading@10: if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) { yading@10: C[0] = (1 + C[0] + s->current_picture.motion_val[dir][s->block_index[1] - 2 * wrap - 2][0]) >> 1; yading@10: C[1] = (1 + C[1] + s->current_picture.motion_val[dir][s->block_index[1] - 2 * wrap - 2][1]) >> 1; yading@10: } yading@10: } else yading@10: c_valid = 0; yading@10: } yading@10: } yading@10: } yading@10: } yading@10: } else { yading@10: pos_b = s->block_index[1]; yading@10: b_valid = 1; yading@10: B[0] = s->current_picture.motion_val[dir][pos_b][0]; yading@10: B[1] = s->current_picture.motion_val[dir][pos_b][1]; yading@10: pos_c = s->block_index[0]; yading@10: c_valid = 1; yading@10: C[0] = s->current_picture.motion_val[dir][pos_c][0]; yading@10: C[1] = s->current_picture.motion_val[dir][pos_c][1]; yading@10: } yading@10: yading@10: total_valid = a_valid + b_valid + c_valid; yading@10: // check if predictor A is out of bounds yading@10: if (!s->mb_x && !(n == 1 || n == 3)) { yading@10: A[0] = A[1] = 0; yading@10: } yading@10: // check if predictor B is out of bounds yading@10: if ((s->first_slice_line && v->blk_mv_type[xy]) || (s->first_slice_line && !(n & 2))) { yading@10: B[0] = B[1] = C[0] = C[1] = 0; yading@10: } yading@10: if (!v->blk_mv_type[xy]) { yading@10: if (s->mb_width == 1) { yading@10: px = B[0]; yading@10: py = B[1]; yading@10: } else { yading@10: if (total_valid >= 2) { yading@10: px = mid_pred(A[0], B[0], C[0]); yading@10: py = mid_pred(A[1], B[1], C[1]); yading@10: } else if (total_valid) { yading@10: if (a_valid) { px = A[0]; py = A[1]; } yading@10: else if (b_valid) { px = B[0]; py = B[1]; } yading@10: else if (c_valid) { px = C[0]; py = C[1]; } yading@10: else av_assert2(0); yading@10: } else yading@10: px = py = 0; yading@10: } yading@10: } else { yading@10: if (a_valid) yading@10: field_a = (A[1] & 4) ? 1 : 0; yading@10: else yading@10: field_a = 0; yading@10: if (b_valid) yading@10: field_b = (B[1] & 4) ? 1 : 0; yading@10: else yading@10: field_b = 0; yading@10: if (c_valid) yading@10: field_c = (C[1] & 4) ? 1 : 0; yading@10: else yading@10: field_c = 0; yading@10: yading@10: num_oppfield = field_a + field_b + field_c; yading@10: num_samefield = total_valid - num_oppfield; yading@10: if (total_valid == 3) { yading@10: if ((num_samefield == 3) || (num_oppfield == 3)) { yading@10: px = mid_pred(A[0], B[0], C[0]); yading@10: py = mid_pred(A[1], B[1], C[1]); yading@10: } else if (num_samefield >= num_oppfield) { yading@10: /* take one MV from same field set depending on priority yading@10: the check for B may not be necessary */ yading@10: px = !field_a ? A[0] : B[0]; yading@10: py = !field_a ? A[1] : B[1]; yading@10: } else { yading@10: px = field_a ? A[0] : B[0]; yading@10: py = field_a ? A[1] : B[1]; yading@10: } yading@10: } else if (total_valid == 2) { yading@10: if (num_samefield >= num_oppfield) { yading@10: if (!field_a && a_valid) { yading@10: px = A[0]; yading@10: py = A[1]; yading@10: } else if (!field_b && b_valid) { yading@10: px = B[0]; yading@10: py = B[1]; yading@10: } else if (c_valid) { yading@10: px = C[0]; yading@10: py = C[1]; yading@10: } else px = py = 0; yading@10: } else { yading@10: if (field_a && a_valid) { yading@10: px = A[0]; yading@10: py = A[1]; yading@10: } else if (field_b && b_valid) { yading@10: px = B[0]; yading@10: py = B[1]; yading@10: } else if (c_valid) { yading@10: px = C[0]; yading@10: py = C[1]; yading@10: } else px = py = 0; yading@10: } yading@10: } else if (total_valid == 1) { yading@10: px = (a_valid) ? A[0] : ((b_valid) ? B[0] : C[0]); yading@10: py = (a_valid) ? A[1] : ((b_valid) ? B[1] : C[1]); yading@10: } else yading@10: px = py = 0; yading@10: } yading@10: yading@10: /* store MV using signed modulus of MV range defined in 4.11 */ yading@10: s->mv[dir][n][0] = s->current_picture.motion_val[dir][xy][0] = ((px + dmv_x + r_x) & ((r_x << 1) - 1)) - r_x; yading@10: s->mv[dir][n][1] = s->current_picture.motion_val[dir][xy][1] = ((py + dmv_y + r_y) & ((r_y << 1) - 1)) - r_y; yading@10: if (mvn == 1) { /* duplicate motion data for 1-MV block */ yading@10: s->current_picture.motion_val[dir][xy + 1 ][0] = s->current_picture.motion_val[dir][xy][0]; yading@10: s->current_picture.motion_val[dir][xy + 1 ][1] = s->current_picture.motion_val[dir][xy][1]; yading@10: s->current_picture.motion_val[dir][xy + wrap ][0] = s->current_picture.motion_val[dir][xy][0]; yading@10: s->current_picture.motion_val[dir][xy + wrap ][1] = s->current_picture.motion_val[dir][xy][1]; yading@10: s->current_picture.motion_val[dir][xy + wrap + 1][0] = s->current_picture.motion_val[dir][xy][0]; yading@10: s->current_picture.motion_val[dir][xy + wrap + 1][1] = s->current_picture.motion_val[dir][xy][1]; yading@10: } else if (mvn == 2) { /* duplicate motion data for 2-Field MV block */ yading@10: s->current_picture.motion_val[dir][xy + 1][0] = s->current_picture.motion_val[dir][xy][0]; yading@10: s->current_picture.motion_val[dir][xy + 1][1] = s->current_picture.motion_val[dir][xy][1]; yading@10: s->mv[dir][n + 1][0] = s->mv[dir][n][0]; yading@10: s->mv[dir][n + 1][1] = s->mv[dir][n][1]; yading@10: } yading@10: } yading@10: yading@10: /** Motion compensation for direct or interpolated blocks in B-frames yading@10: */ yading@10: static void vc1_interp_mc(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: H264ChromaContext *h264chroma = &v->h264chroma; yading@10: uint8_t *srcY, *srcU, *srcV; yading@10: int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y; yading@10: int off, off_uv; yading@10: int v_edge_pos = s->v_edge_pos >> v->field_mode; yading@10: yading@10: if (!v->field_mode && !v->s.next_picture.f.data[0]) yading@10: return; yading@10: yading@10: mx = s->mv[1][0][0]; yading@10: my = s->mv[1][0][1]; yading@10: uvmx = (mx + ((mx & 3) == 3)) >> 1; yading@10: uvmy = (my + ((my & 3) == 3)) >> 1; yading@10: if (v->field_mode) { yading@10: if (v->cur_field_type != v->ref_field_type[1]) yading@10: my = my - 2 + 4 * v->cur_field_type; yading@10: uvmy = uvmy - 2 + 4 * v->cur_field_type; yading@10: } yading@10: if (v->fastuvmc) { yading@10: uvmx = uvmx + ((uvmx < 0) ? -(uvmx & 1) : (uvmx & 1)); yading@10: uvmy = uvmy + ((uvmy < 0) ? -(uvmy & 1) : (uvmy & 1)); yading@10: } yading@10: srcY = s->next_picture.f.data[0]; yading@10: srcU = s->next_picture.f.data[1]; yading@10: srcV = s->next_picture.f.data[2]; yading@10: yading@10: src_x = s->mb_x * 16 + (mx >> 2); yading@10: src_y = s->mb_y * 16 + (my >> 2); yading@10: uvsrc_x = s->mb_x * 8 + (uvmx >> 2); yading@10: uvsrc_y = s->mb_y * 8 + (uvmy >> 2); yading@10: yading@10: if (v->profile != PROFILE_ADVANCED) { yading@10: src_x = av_clip( src_x, -16, s->mb_width * 16); yading@10: src_y = av_clip( src_y, -16, s->mb_height * 16); yading@10: uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8); yading@10: uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8); yading@10: } else { yading@10: src_x = av_clip( src_x, -17, s->avctx->coded_width); yading@10: src_y = av_clip( src_y, -18, s->avctx->coded_height + 1); yading@10: uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); yading@10: uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); yading@10: } yading@10: yading@10: srcY += src_y * s->linesize + src_x; yading@10: srcU += uvsrc_y * s->uvlinesize + uvsrc_x; yading@10: srcV += uvsrc_y * s->uvlinesize + uvsrc_x; yading@10: yading@10: if (v->field_mode && v->ref_field_type[1]) { yading@10: srcY += s->current_picture_ptr->f.linesize[0]; yading@10: srcU += s->current_picture_ptr->f.linesize[1]; yading@10: srcV += s->current_picture_ptr->f.linesize[2]; yading@10: } yading@10: yading@10: /* for grayscale we should not try to read from unknown area */ yading@10: if (s->flags & CODEC_FLAG_GRAY) { yading@10: srcU = s->edge_emu_buffer + 18 * s->linesize; yading@10: srcV = s->edge_emu_buffer + 18 * s->linesize; yading@10: } yading@10: yading@10: if (v->rangeredfrm || s->h_edge_pos < 22 || v_edge_pos < 22 yading@10: || (unsigned)(src_x - 1) > s->h_edge_pos - (mx & 3) - 16 - 3 yading@10: || (unsigned)(src_y - 1) > v_edge_pos - (my & 3) - 16 - 3) { yading@10: uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize; yading@10: yading@10: srcY -= s->mspel * (1 + s->linesize); yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, yading@10: 17 + s->mspel * 2, 17 + s->mspel * 2, yading@10: src_x - s->mspel, src_y - s->mspel, yading@10: s->h_edge_pos, v_edge_pos); yading@10: srcY = s->edge_emu_buffer; yading@10: s->vdsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, 8 + 1, 8 + 1, yading@10: uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1); yading@10: s->vdsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, 8 + 1, 8 + 1, yading@10: uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1); yading@10: srcU = uvbuf; yading@10: srcV = uvbuf + 16; yading@10: /* if we deal with range reduction we need to scale source blocks */ yading@10: if (v->rangeredfrm) { yading@10: int i, j; yading@10: uint8_t *src, *src2; yading@10: yading@10: src = srcY; yading@10: for (j = 0; j < 17 + s->mspel * 2; j++) { yading@10: for (i = 0; i < 17 + s->mspel * 2; i++) yading@10: src[i] = ((src[i] - 128) >> 1) + 128; yading@10: src += s->linesize; yading@10: } yading@10: src = srcU; yading@10: src2 = srcV; yading@10: for (j = 0; j < 9; j++) { yading@10: for (i = 0; i < 9; i++) { yading@10: src[i] = ((src[i] - 128) >> 1) + 128; yading@10: src2[i] = ((src2[i] - 128) >> 1) + 128; yading@10: } yading@10: src += s->uvlinesize; yading@10: src2 += s->uvlinesize; yading@10: } yading@10: } yading@10: srcY += s->mspel * (1 + s->linesize); yading@10: } yading@10: yading@10: off = 0; yading@10: off_uv = 0; yading@10: yading@10: if (s->mspel) { yading@10: dxy = ((my & 3) << 2) | (mx & 3); yading@10: v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off , srcY , s->linesize, v->rnd); yading@10: v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8, srcY + 8, s->linesize, v->rnd); yading@10: srcY += s->linesize * 8; yading@10: v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize , srcY , s->linesize, v->rnd); yading@10: v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd); yading@10: } else { // hpel mc yading@10: dxy = (my & 2) | ((mx & 2) >> 1); yading@10: yading@10: if (!v->rnd) yading@10: s->hdsp.avg_pixels_tab[0][dxy](s->dest[0] + off, srcY, s->linesize, 16); yading@10: else yading@10: s->hdsp.avg_no_rnd_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize, 16); yading@10: } yading@10: yading@10: if (s->flags & CODEC_FLAG_GRAY) return; yading@10: /* Chroma MC always uses qpel blilinear */ yading@10: uvmx = (uvmx & 3) << 1; yading@10: uvmy = (uvmy & 3) << 1; yading@10: if (!v->rnd) { yading@10: h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy); yading@10: h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy); yading@10: } else { yading@10: v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy); yading@10: v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy); yading@10: } yading@10: } yading@10: yading@10: static av_always_inline int scale_mv(int value, int bfrac, int inv, int qs) yading@10: { yading@10: int n = bfrac; yading@10: yading@10: #if B_FRACTION_DEN==256 yading@10: if (inv) yading@10: n -= 256; yading@10: if (!qs) yading@10: return 2 * ((value * n + 255) >> 9); yading@10: return (value * n + 128) >> 8; yading@10: #else yading@10: if (inv) yading@10: n -= B_FRACTION_DEN; yading@10: if (!qs) yading@10: return 2 * ((value * n + B_FRACTION_DEN - 1) / (2 * B_FRACTION_DEN)); yading@10: return (value * n + B_FRACTION_DEN/2) / B_FRACTION_DEN; yading@10: #endif yading@10: } yading@10: yading@10: /** Reconstruct motion vector for B-frame and do motion compensation yading@10: */ yading@10: static inline void vc1_b_mc(VC1Context *v, int dmv_x[2], int dmv_y[2], yading@10: int direct, int mode) yading@10: { yading@10: if (v->use_ic) { yading@10: v->mv_mode2 = v->mv_mode; yading@10: v->mv_mode = MV_PMODE_INTENSITY_COMP; yading@10: } yading@10: if (direct) { yading@10: vc1_mc_1mv(v, 0); yading@10: vc1_interp_mc(v); yading@10: if (v->use_ic) yading@10: v->mv_mode = v->mv_mode2; yading@10: return; yading@10: } yading@10: if (mode == BMV_TYPE_INTERPOLATED) { yading@10: vc1_mc_1mv(v, 0); yading@10: vc1_interp_mc(v); yading@10: if (v->use_ic) yading@10: v->mv_mode = v->mv_mode2; yading@10: return; yading@10: } yading@10: yading@10: if (v->use_ic && (mode == BMV_TYPE_BACKWARD)) yading@10: v->mv_mode = v->mv_mode2; yading@10: vc1_mc_1mv(v, (mode == BMV_TYPE_BACKWARD)); yading@10: if (v->use_ic) yading@10: v->mv_mode = v->mv_mode2; yading@10: } yading@10: yading@10: static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2], yading@10: int direct, int mvtype) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int xy, wrap, off = 0; yading@10: int16_t *A, *B, *C; yading@10: int px, py; yading@10: int sum; yading@10: int r_x, r_y; yading@10: const uint8_t *is_intra = v->mb_type[0]; yading@10: yading@10: r_x = v->range_x; yading@10: r_y = v->range_y; yading@10: /* scale MV difference to be quad-pel */ yading@10: dmv_x[0] <<= 1 - s->quarter_sample; yading@10: dmv_y[0] <<= 1 - s->quarter_sample; yading@10: dmv_x[1] <<= 1 - s->quarter_sample; yading@10: dmv_y[1] <<= 1 - s->quarter_sample; yading@10: yading@10: wrap = s->b8_stride; yading@10: xy = s->block_index[0]; yading@10: yading@10: if (s->mb_intra) { yading@10: s->current_picture.motion_val[0][xy + v->blocks_off][0] = yading@10: s->current_picture.motion_val[0][xy + v->blocks_off][1] = yading@10: s->current_picture.motion_val[1][xy + v->blocks_off][0] = yading@10: s->current_picture.motion_val[1][xy + v->blocks_off][1] = 0; yading@10: return; yading@10: } yading@10: if (!v->field_mode) { yading@10: s->mv[0][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 0, s->quarter_sample); yading@10: s->mv[0][0][1] = scale_mv(s->next_picture.motion_val[1][xy][1], v->bfraction, 0, s->quarter_sample); yading@10: s->mv[1][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 1, s->quarter_sample); yading@10: s->mv[1][0][1] = scale_mv(s->next_picture.motion_val[1][xy][1], v->bfraction, 1, s->quarter_sample); yading@10: yading@10: /* Pullback predicted motion vectors as specified in 8.4.5.4 */ yading@10: s->mv[0][0][0] = av_clip(s->mv[0][0][0], -60 - (s->mb_x << 6), (s->mb_width << 6) - 4 - (s->mb_x << 6)); yading@10: s->mv[0][0][1] = av_clip(s->mv[0][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6)); yading@10: s->mv[1][0][0] = av_clip(s->mv[1][0][0], -60 - (s->mb_x << 6), (s->mb_width << 6) - 4 - (s->mb_x << 6)); yading@10: s->mv[1][0][1] = av_clip(s->mv[1][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6)); yading@10: } yading@10: if (direct) { yading@10: s->current_picture.motion_val[0][xy + v->blocks_off][0] = s->mv[0][0][0]; yading@10: s->current_picture.motion_val[0][xy + v->blocks_off][1] = s->mv[0][0][1]; yading@10: s->current_picture.motion_val[1][xy + v->blocks_off][0] = s->mv[1][0][0]; yading@10: s->current_picture.motion_val[1][xy + v->blocks_off][1] = s->mv[1][0][1]; yading@10: return; yading@10: } yading@10: yading@10: if ((mvtype == BMV_TYPE_FORWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) { yading@10: C = s->current_picture.motion_val[0][xy - 2]; yading@10: A = s->current_picture.motion_val[0][xy - wrap * 2]; yading@10: off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2; yading@10: B = s->current_picture.motion_val[0][xy - wrap * 2 + off]; yading@10: yading@10: if (!s->mb_x) C[0] = C[1] = 0; yading@10: if (!s->first_slice_line) { // predictor A is not out of bounds yading@10: if (s->mb_width == 1) { yading@10: px = A[0]; yading@10: py = A[1]; yading@10: } else { yading@10: px = mid_pred(A[0], B[0], C[0]); yading@10: py = mid_pred(A[1], B[1], C[1]); yading@10: } yading@10: } else if (s->mb_x) { // predictor C is not out of bounds yading@10: px = C[0]; yading@10: py = C[1]; yading@10: } else { yading@10: px = py = 0; yading@10: } yading@10: /* Pullback MV as specified in 8.3.5.3.4 */ yading@10: { yading@10: int qx, qy, X, Y; yading@10: if (v->profile < PROFILE_ADVANCED) { yading@10: qx = (s->mb_x << 5); yading@10: qy = (s->mb_y << 5); yading@10: X = (s->mb_width << 5) - 4; yading@10: Y = (s->mb_height << 5) - 4; yading@10: if (qx + px < -28) px = -28 - qx; yading@10: if (qy + py < -28) py = -28 - qy; yading@10: if (qx + px > X) px = X - qx; yading@10: if (qy + py > Y) py = Y - qy; yading@10: } else { yading@10: qx = (s->mb_x << 6); yading@10: qy = (s->mb_y << 6); yading@10: X = (s->mb_width << 6) - 4; yading@10: Y = (s->mb_height << 6) - 4; yading@10: if (qx + px < -60) px = -60 - qx; yading@10: if (qy + py < -60) py = -60 - qy; yading@10: if (qx + px > X) px = X - qx; yading@10: if (qy + py > Y) py = Y - qy; yading@10: } yading@10: } yading@10: /* Calculate hybrid prediction as specified in 8.3.5.3.5 */ yading@10: if (0 && !s->first_slice_line && s->mb_x) { yading@10: if (is_intra[xy - wrap]) yading@10: sum = FFABS(px) + FFABS(py); yading@10: else yading@10: sum = FFABS(px - A[0]) + FFABS(py - A[1]); yading@10: if (sum > 32) { yading@10: if (get_bits1(&s->gb)) { yading@10: px = A[0]; yading@10: py = A[1]; yading@10: } else { yading@10: px = C[0]; yading@10: py = C[1]; yading@10: } yading@10: } else { yading@10: if (is_intra[xy - 2]) yading@10: sum = FFABS(px) + FFABS(py); yading@10: else yading@10: sum = FFABS(px - C[0]) + FFABS(py - C[1]); yading@10: if (sum > 32) { yading@10: if (get_bits1(&s->gb)) { yading@10: px = A[0]; yading@10: py = A[1]; yading@10: } else { yading@10: px = C[0]; yading@10: py = C[1]; yading@10: } yading@10: } yading@10: } yading@10: } yading@10: /* store MV using signed modulus of MV range defined in 4.11 */ yading@10: s->mv[0][0][0] = ((px + dmv_x[0] + r_x) & ((r_x << 1) - 1)) - r_x; yading@10: s->mv[0][0][1] = ((py + dmv_y[0] + r_y) & ((r_y << 1) - 1)) - r_y; yading@10: } yading@10: if ((mvtype == BMV_TYPE_BACKWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) { yading@10: C = s->current_picture.motion_val[1][xy - 2]; yading@10: A = s->current_picture.motion_val[1][xy - wrap * 2]; yading@10: off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2; yading@10: B = s->current_picture.motion_val[1][xy - wrap * 2 + off]; yading@10: yading@10: if (!s->mb_x) yading@10: C[0] = C[1] = 0; yading@10: if (!s->first_slice_line) { // predictor A is not out of bounds yading@10: if (s->mb_width == 1) { yading@10: px = A[0]; yading@10: py = A[1]; yading@10: } else { yading@10: px = mid_pred(A[0], B[0], C[0]); yading@10: py = mid_pred(A[1], B[1], C[1]); yading@10: } yading@10: } else if (s->mb_x) { // predictor C is not out of bounds yading@10: px = C[0]; yading@10: py = C[1]; yading@10: } else { yading@10: px = py = 0; yading@10: } yading@10: /* Pullback MV as specified in 8.3.5.3.4 */ yading@10: { yading@10: int qx, qy, X, Y; yading@10: if (v->profile < PROFILE_ADVANCED) { yading@10: qx = (s->mb_x << 5); yading@10: qy = (s->mb_y << 5); yading@10: X = (s->mb_width << 5) - 4; yading@10: Y = (s->mb_height << 5) - 4; yading@10: if (qx + px < -28) px = -28 - qx; yading@10: if (qy + py < -28) py = -28 - qy; yading@10: if (qx + px > X) px = X - qx; yading@10: if (qy + py > Y) py = Y - qy; yading@10: } else { yading@10: qx = (s->mb_x << 6); yading@10: qy = (s->mb_y << 6); yading@10: X = (s->mb_width << 6) - 4; yading@10: Y = (s->mb_height << 6) - 4; yading@10: if (qx + px < -60) px = -60 - qx; yading@10: if (qy + py < -60) py = -60 - qy; yading@10: if (qx + px > X) px = X - qx; yading@10: if (qy + py > Y) py = Y - qy; yading@10: } yading@10: } yading@10: /* Calculate hybrid prediction as specified in 8.3.5.3.5 */ yading@10: if (0 && !s->first_slice_line && s->mb_x) { yading@10: if (is_intra[xy - wrap]) yading@10: sum = FFABS(px) + FFABS(py); yading@10: else yading@10: sum = FFABS(px - A[0]) + FFABS(py - A[1]); yading@10: if (sum > 32) { yading@10: if (get_bits1(&s->gb)) { yading@10: px = A[0]; yading@10: py = A[1]; yading@10: } else { yading@10: px = C[0]; yading@10: py = C[1]; yading@10: } yading@10: } else { yading@10: if (is_intra[xy - 2]) yading@10: sum = FFABS(px) + FFABS(py); yading@10: else yading@10: sum = FFABS(px - C[0]) + FFABS(py - C[1]); yading@10: if (sum > 32) { yading@10: if (get_bits1(&s->gb)) { yading@10: px = A[0]; yading@10: py = A[1]; yading@10: } else { yading@10: px = C[0]; yading@10: py = C[1]; yading@10: } yading@10: } yading@10: } yading@10: } yading@10: /* store MV using signed modulus of MV range defined in 4.11 */ yading@10: yading@10: s->mv[1][0][0] = ((px + dmv_x[1] + r_x) & ((r_x << 1) - 1)) - r_x; yading@10: s->mv[1][0][1] = ((py + dmv_y[1] + r_y) & ((r_y << 1) - 1)) - r_y; yading@10: } yading@10: s->current_picture.motion_val[0][xy][0] = s->mv[0][0][0]; yading@10: s->current_picture.motion_val[0][xy][1] = s->mv[0][0][1]; yading@10: s->current_picture.motion_val[1][xy][0] = s->mv[1][0][0]; yading@10: s->current_picture.motion_val[1][xy][1] = s->mv[1][0][1]; yading@10: } yading@10: yading@10: static inline void vc1_pred_b_mv_intfi(VC1Context *v, int n, int *dmv_x, int *dmv_y, int mv1, int *pred_flag) yading@10: { yading@10: int dir = (v->bmvtype == BMV_TYPE_BACKWARD) ? 1 : 0; yading@10: MpegEncContext *s = &v->s; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: yading@10: if (v->bmvtype == BMV_TYPE_DIRECT) { yading@10: int total_opp, k, f; yading@10: if (s->next_picture.mb_type[mb_pos + v->mb_off] != MB_TYPE_INTRA) { yading@10: s->mv[0][0][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0] + v->blocks_off][0], yading@10: v->bfraction, 0, s->quarter_sample); yading@10: s->mv[0][0][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0] + v->blocks_off][1], yading@10: v->bfraction, 0, s->quarter_sample); yading@10: s->mv[1][0][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0] + v->blocks_off][0], yading@10: v->bfraction, 1, s->quarter_sample); yading@10: s->mv[1][0][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0] + v->blocks_off][1], yading@10: v->bfraction, 1, s->quarter_sample); yading@10: yading@10: total_opp = v->mv_f_next[0][s->block_index[0] + v->blocks_off] yading@10: + v->mv_f_next[0][s->block_index[1] + v->blocks_off] yading@10: + v->mv_f_next[0][s->block_index[2] + v->blocks_off] yading@10: + v->mv_f_next[0][s->block_index[3] + v->blocks_off]; yading@10: f = (total_opp > 2) ? 1 : 0; yading@10: } else { yading@10: s->mv[0][0][0] = s->mv[0][0][1] = 0; yading@10: s->mv[1][0][0] = s->mv[1][0][1] = 0; yading@10: f = 0; yading@10: } yading@10: v->ref_field_type[0] = v->ref_field_type[1] = v->cur_field_type ^ f; yading@10: for (k = 0; k < 4; k++) { yading@10: s->current_picture.motion_val[0][s->block_index[k] + v->blocks_off][0] = s->mv[0][0][0]; yading@10: s->current_picture.motion_val[0][s->block_index[k] + v->blocks_off][1] = s->mv[0][0][1]; yading@10: s->current_picture.motion_val[1][s->block_index[k] + v->blocks_off][0] = s->mv[1][0][0]; yading@10: s->current_picture.motion_val[1][s->block_index[k] + v->blocks_off][1] = s->mv[1][0][1]; yading@10: v->mv_f[0][s->block_index[k] + v->blocks_off] = f; yading@10: v->mv_f[1][s->block_index[k] + v->blocks_off] = f; yading@10: } yading@10: return; yading@10: } yading@10: if (v->bmvtype == BMV_TYPE_INTERPOLATED) { yading@10: vc1_pred_mv(v, 0, dmv_x[0], dmv_y[0], 1, v->range_x, v->range_y, v->mb_type[0], pred_flag[0], 0); yading@10: vc1_pred_mv(v, 0, dmv_x[1], dmv_y[1], 1, v->range_x, v->range_y, v->mb_type[0], pred_flag[1], 1); yading@10: return; yading@10: } yading@10: if (dir) { // backward yading@10: vc1_pred_mv(v, n, dmv_x[1], dmv_y[1], mv1, v->range_x, v->range_y, v->mb_type[0], pred_flag[1], 1); yading@10: if (n == 3 || mv1) { yading@10: vc1_pred_mv(v, 0, dmv_x[0], dmv_y[0], 1, v->range_x, v->range_y, v->mb_type[0], 0, 0); yading@10: } yading@10: } else { // forward yading@10: vc1_pred_mv(v, n, dmv_x[0], dmv_y[0], mv1, v->range_x, v->range_y, v->mb_type[0], pred_flag[0], 0); yading@10: if (n == 3 || mv1) { yading@10: vc1_pred_mv(v, 0, dmv_x[1], dmv_y[1], 1, v->range_x, v->range_y, v->mb_type[0], 0, 1); yading@10: } yading@10: } yading@10: } yading@10: yading@10: /** Get predicted DC value for I-frames only yading@10: * prediction dir: left=0, top=1 yading@10: * @param s MpegEncContext yading@10: * @param overlap flag indicating that overlap filtering is used yading@10: * @param pq integer part of picture quantizer yading@10: * @param[in] n block index in the current MB yading@10: * @param dc_val_ptr Pointer to DC predictor yading@10: * @param dir_ptr Prediction direction for use in AC prediction yading@10: */ yading@10: static inline int vc1_i_pred_dc(MpegEncContext *s, int overlap, int pq, int n, yading@10: int16_t **dc_val_ptr, int *dir_ptr) yading@10: { yading@10: int a, b, c, wrap, pred, scale; yading@10: int16_t *dc_val; yading@10: static const uint16_t dcpred[32] = { yading@10: -1, 1024, 512, 341, 256, 205, 171, 146, 128, yading@10: 114, 102, 93, 85, 79, 73, 68, 64, yading@10: 60, 57, 54, 51, 49, 47, 45, 43, yading@10: 41, 39, 38, 37, 35, 34, 33 yading@10: }; yading@10: yading@10: /* find prediction - wmv3_dc_scale always used here in fact */ yading@10: if (n < 4) scale = s->y_dc_scale; yading@10: else scale = s->c_dc_scale; yading@10: yading@10: wrap = s->block_wrap[n]; yading@10: dc_val = s->dc_val[0] + s->block_index[n]; yading@10: yading@10: /* B A yading@10: * C X yading@10: */ yading@10: c = dc_val[ - 1]; yading@10: b = dc_val[ - 1 - wrap]; yading@10: a = dc_val[ - wrap]; yading@10: yading@10: if (pq < 9 || !overlap) { yading@10: /* Set outer values */ yading@10: if (s->first_slice_line && (n != 2 && n != 3)) yading@10: b = a = dcpred[scale]; yading@10: if (s->mb_x == 0 && (n != 1 && n != 3)) yading@10: b = c = dcpred[scale]; yading@10: } else { yading@10: /* Set outer values */ yading@10: if (s->first_slice_line && (n != 2 && n != 3)) yading@10: b = a = 0; yading@10: if (s->mb_x == 0 && (n != 1 && n != 3)) yading@10: b = c = 0; yading@10: } yading@10: yading@10: if (abs(a - b) <= abs(b - c)) { yading@10: pred = c; yading@10: *dir_ptr = 1; // left yading@10: } else { yading@10: pred = a; yading@10: *dir_ptr = 0; // top yading@10: } yading@10: yading@10: /* update predictor */ yading@10: *dc_val_ptr = &dc_val[0]; yading@10: return pred; yading@10: } yading@10: yading@10: yading@10: /** Get predicted DC value yading@10: * prediction dir: left=0, top=1 yading@10: * @param s MpegEncContext yading@10: * @param overlap flag indicating that overlap filtering is used yading@10: * @param pq integer part of picture quantizer yading@10: * @param[in] n block index in the current MB yading@10: * @param a_avail flag indicating top block availability yading@10: * @param c_avail flag indicating left block availability yading@10: * @param dc_val_ptr Pointer to DC predictor yading@10: * @param dir_ptr Prediction direction for use in AC prediction yading@10: */ yading@10: static inline int vc1_pred_dc(MpegEncContext *s, int overlap, int pq, int n, yading@10: int a_avail, int c_avail, yading@10: int16_t **dc_val_ptr, int *dir_ptr) yading@10: { yading@10: int a, b, c, wrap, pred; yading@10: int16_t *dc_val; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: int q1, q2 = 0; yading@10: int dqscale_index; yading@10: yading@10: wrap = s->block_wrap[n]; yading@10: dc_val = s->dc_val[0] + s->block_index[n]; yading@10: yading@10: /* B A yading@10: * C X yading@10: */ yading@10: c = dc_val[ - 1]; yading@10: b = dc_val[ - 1 - wrap]; yading@10: a = dc_val[ - wrap]; yading@10: /* scale predictors if needed */ yading@10: q1 = s->current_picture.qscale_table[mb_pos]; yading@10: dqscale_index = s->y_dc_scale_table[q1] - 1; yading@10: if (dqscale_index < 0) yading@10: return 0; yading@10: if (c_avail && (n != 1 && n != 3)) { yading@10: q2 = s->current_picture.qscale_table[mb_pos - 1]; yading@10: if (q2 && q2 != q1) yading@10: c = (c * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18; yading@10: } yading@10: if (a_avail && (n != 2 && n != 3)) { yading@10: q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride]; yading@10: if (q2 && q2 != q1) yading@10: a = (a * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18; yading@10: } yading@10: if (a_avail && c_avail && (n != 3)) { yading@10: int off = mb_pos; yading@10: if (n != 1) yading@10: off--; yading@10: if (n != 2) yading@10: off -= s->mb_stride; yading@10: q2 = s->current_picture.qscale_table[off]; yading@10: if (q2 && q2 != q1) yading@10: b = (b * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18; yading@10: } yading@10: yading@10: if (a_avail && c_avail) { yading@10: if (abs(a - b) <= abs(b - c)) { yading@10: pred = c; yading@10: *dir_ptr = 1; // left yading@10: } else { yading@10: pred = a; yading@10: *dir_ptr = 0; // top yading@10: } yading@10: } else if (a_avail) { yading@10: pred = a; yading@10: *dir_ptr = 0; // top yading@10: } else if (c_avail) { yading@10: pred = c; yading@10: *dir_ptr = 1; // left yading@10: } else { yading@10: pred = 0; yading@10: *dir_ptr = 1; // left yading@10: } yading@10: yading@10: /* update predictor */ yading@10: *dc_val_ptr = &dc_val[0]; yading@10: return pred; yading@10: } yading@10: yading@10: /** @} */ // Block group yading@10: yading@10: /** yading@10: * @name VC1 Macroblock-level functions in Simple/Main Profiles yading@10: * @see 7.1.4, p91 and 8.1.1.7, p(1)04 yading@10: * @{ yading@10: */ yading@10: yading@10: static inline int vc1_coded_block_pred(MpegEncContext * s, int n, yading@10: uint8_t **coded_block_ptr) yading@10: { yading@10: int xy, wrap, pred, a, b, c; yading@10: yading@10: xy = s->block_index[n]; yading@10: wrap = s->b8_stride; yading@10: yading@10: /* B C yading@10: * A X yading@10: */ yading@10: a = s->coded_block[xy - 1 ]; yading@10: b = s->coded_block[xy - 1 - wrap]; yading@10: c = s->coded_block[xy - wrap]; yading@10: yading@10: if (b == c) { yading@10: pred = a; yading@10: } else { yading@10: pred = c; yading@10: } yading@10: yading@10: /* store value */ yading@10: *coded_block_ptr = &s->coded_block[xy]; yading@10: yading@10: return pred; yading@10: } yading@10: yading@10: /** yading@10: * Decode one AC coefficient yading@10: * @param v The VC1 context yading@10: * @param last Last coefficient yading@10: * @param skip How much zero coefficients to skip yading@10: * @param value Decoded AC coefficient value yading@10: * @param codingset set of VLC to decode data yading@10: * @see 8.1.3.4 yading@10: */ yading@10: static void vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip, yading@10: int *value, int codingset) yading@10: { yading@10: GetBitContext *gb = &v->s.gb; yading@10: int index, escape, run = 0, level = 0, lst = 0; yading@10: yading@10: index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3); yading@10: if (index != ff_vc1_ac_sizes[codingset] - 1) { yading@10: run = vc1_index_decode_table[codingset][index][0]; yading@10: level = vc1_index_decode_table[codingset][index][1]; yading@10: lst = index >= vc1_last_decode_table[codingset] || get_bits_left(gb) < 0; yading@10: if (get_bits1(gb)) yading@10: level = -level; yading@10: } else { yading@10: escape = decode210(gb); yading@10: if (escape != 2) { yading@10: index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3); yading@10: run = vc1_index_decode_table[codingset][index][0]; yading@10: level = vc1_index_decode_table[codingset][index][1]; yading@10: lst = index >= vc1_last_decode_table[codingset]; yading@10: if (escape == 0) { yading@10: if (lst) yading@10: level += vc1_last_delta_level_table[codingset][run]; yading@10: else yading@10: level += vc1_delta_level_table[codingset][run]; yading@10: } else { yading@10: if (lst) yading@10: run += vc1_last_delta_run_table[codingset][level] + 1; yading@10: else yading@10: run += vc1_delta_run_table[codingset][level] + 1; yading@10: } yading@10: if (get_bits1(gb)) yading@10: level = -level; yading@10: } else { yading@10: int sign; yading@10: lst = get_bits1(gb); yading@10: if (v->s.esc3_level_length == 0) { yading@10: if (v->pq < 8 || v->dquantfrm) { // table 59 yading@10: v->s.esc3_level_length = get_bits(gb, 3); yading@10: if (!v->s.esc3_level_length) yading@10: v->s.esc3_level_length = get_bits(gb, 2) + 8; yading@10: } else { // table 60 yading@10: v->s.esc3_level_length = get_unary(gb, 1, 6) + 2; yading@10: } yading@10: v->s.esc3_run_length = 3 + get_bits(gb, 2); yading@10: } yading@10: run = get_bits(gb, v->s.esc3_run_length); yading@10: sign = get_bits1(gb); yading@10: level = get_bits(gb, v->s.esc3_level_length); yading@10: if (sign) yading@10: level = -level; yading@10: } yading@10: } yading@10: yading@10: *last = lst; yading@10: *skip = run; yading@10: *value = level; yading@10: } yading@10: yading@10: /** Decode intra block in intra frames - should be faster than decode_intra_block yading@10: * @param v VC1Context yading@10: * @param block block to decode yading@10: * @param[in] n subblock index yading@10: * @param coded are AC coeffs present or not yading@10: * @param codingset set of VLC to decode data yading@10: */ yading@10: static int vc1_decode_i_block(VC1Context *v, int16_t block[64], int n, yading@10: int coded, int codingset) yading@10: { yading@10: GetBitContext *gb = &v->s.gb; yading@10: MpegEncContext *s = &v->s; yading@10: int dc_pred_dir = 0; /* Direction of the DC prediction used */ yading@10: int i; yading@10: int16_t *dc_val; yading@10: int16_t *ac_val, *ac_val2; yading@10: int dcdiff; yading@10: yading@10: /* Get DC differential */ yading@10: if (n < 4) { yading@10: dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); yading@10: } else { yading@10: dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); yading@10: } yading@10: if (dcdiff < 0) { yading@10: av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n"); yading@10: return -1; yading@10: } yading@10: if (dcdiff) { yading@10: if (dcdiff == 119 /* ESC index value */) { yading@10: /* TODO: Optimize */ yading@10: if (v->pq == 1) dcdiff = get_bits(gb, 10); yading@10: else if (v->pq == 2) dcdiff = get_bits(gb, 9); yading@10: else dcdiff = get_bits(gb, 8); yading@10: } else { yading@10: if (v->pq == 1) yading@10: dcdiff = (dcdiff << 2) + get_bits(gb, 2) - 3; yading@10: else if (v->pq == 2) yading@10: dcdiff = (dcdiff << 1) + get_bits1(gb) - 1; yading@10: } yading@10: if (get_bits1(gb)) yading@10: dcdiff = -dcdiff; yading@10: } yading@10: yading@10: /* Prediction */ yading@10: dcdiff += vc1_i_pred_dc(&v->s, v->overlap, v->pq, n, &dc_val, &dc_pred_dir); yading@10: *dc_val = dcdiff; yading@10: yading@10: /* Store the quantized DC coeff, used for prediction */ yading@10: if (n < 4) { yading@10: block[0] = dcdiff * s->y_dc_scale; yading@10: } else { yading@10: block[0] = dcdiff * s->c_dc_scale; yading@10: } yading@10: /* Skip ? */ yading@10: if (!coded) { yading@10: goto not_coded; yading@10: } yading@10: yading@10: // AC Decoding yading@10: i = 1; yading@10: yading@10: { yading@10: int last = 0, skip, value; yading@10: const uint8_t *zz_table; yading@10: int scale; yading@10: int k; yading@10: yading@10: scale = v->pq * 2 + v->halfpq; yading@10: yading@10: if (v->s.ac_pred) { yading@10: if (!dc_pred_dir) yading@10: zz_table = v->zz_8x8[2]; yading@10: else yading@10: zz_table = v->zz_8x8[3]; yading@10: } else yading@10: zz_table = v->zz_8x8[1]; yading@10: yading@10: ac_val = s->ac_val[0][0] + s->block_index[n] * 16; yading@10: ac_val2 = ac_val; yading@10: if (dc_pred_dir) // left yading@10: ac_val -= 16; yading@10: else // top yading@10: ac_val -= 16 * s->block_wrap[n]; yading@10: yading@10: while (!last) { yading@10: vc1_decode_ac_coeff(v, &last, &skip, &value, codingset); yading@10: i += skip; yading@10: if (i > 63) yading@10: break; yading@10: block[zz_table[i++]] = value; yading@10: } yading@10: yading@10: /* apply AC prediction if needed */ yading@10: if (s->ac_pred) { yading@10: if (dc_pred_dir) { // left yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->left_blk_sh] += ac_val[k]; yading@10: } else { // top yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->top_blk_sh] += ac_val[k + 8]; yading@10: } yading@10: } yading@10: /* save AC coeffs for further prediction */ yading@10: for (k = 1; k < 8; k++) { yading@10: ac_val2[k] = block[k << v->left_blk_sh]; yading@10: ac_val2[k + 8] = block[k << v->top_blk_sh]; yading@10: } yading@10: yading@10: /* scale AC coeffs */ yading@10: for (k = 1; k < 64; k++) yading@10: if (block[k]) { yading@10: block[k] *= scale; yading@10: if (!v->pquantizer) yading@10: block[k] += (block[k] < 0) ? -v->pq : v->pq; yading@10: } yading@10: yading@10: if (s->ac_pred) i = 63; yading@10: } yading@10: yading@10: not_coded: yading@10: if (!coded) { yading@10: int k, scale; yading@10: ac_val = s->ac_val[0][0] + s->block_index[n] * 16; yading@10: ac_val2 = ac_val; yading@10: yading@10: i = 0; yading@10: scale = v->pq * 2 + v->halfpq; yading@10: memset(ac_val2, 0, 16 * 2); yading@10: if (dc_pred_dir) { // left yading@10: ac_val -= 16; yading@10: if (s->ac_pred) yading@10: memcpy(ac_val2, ac_val, 8 * 2); yading@10: } else { // top yading@10: ac_val -= 16 * s->block_wrap[n]; yading@10: if (s->ac_pred) yading@10: memcpy(ac_val2 + 8, ac_val + 8, 8 * 2); yading@10: } yading@10: yading@10: /* apply AC prediction if needed */ yading@10: if (s->ac_pred) { yading@10: if (dc_pred_dir) { //left yading@10: for (k = 1; k < 8; k++) { yading@10: block[k << v->left_blk_sh] = ac_val[k] * scale; yading@10: if (!v->pquantizer && block[k << v->left_blk_sh]) yading@10: block[k << v->left_blk_sh] += (block[k << v->left_blk_sh] < 0) ? -v->pq : v->pq; yading@10: } yading@10: } else { // top yading@10: for (k = 1; k < 8; k++) { yading@10: block[k << v->top_blk_sh] = ac_val[k + 8] * scale; yading@10: if (!v->pquantizer && block[k << v->top_blk_sh]) yading@10: block[k << v->top_blk_sh] += (block[k << v->top_blk_sh] < 0) ? -v->pq : v->pq; yading@10: } yading@10: } yading@10: i = 63; yading@10: } yading@10: } yading@10: s->block_last_index[n] = i; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: /** Decode intra block in intra frames - should be faster than decode_intra_block yading@10: * @param v VC1Context yading@10: * @param block block to decode yading@10: * @param[in] n subblock number yading@10: * @param coded are AC coeffs present or not yading@10: * @param codingset set of VLC to decode data yading@10: * @param mquant quantizer value for this macroblock yading@10: */ yading@10: static int vc1_decode_i_block_adv(VC1Context *v, int16_t block[64], int n, yading@10: int coded, int codingset, int mquant) yading@10: { yading@10: GetBitContext *gb = &v->s.gb; yading@10: MpegEncContext *s = &v->s; yading@10: int dc_pred_dir = 0; /* Direction of the DC prediction used */ yading@10: int i; yading@10: int16_t *dc_val = NULL; yading@10: int16_t *ac_val, *ac_val2; yading@10: int dcdiff; yading@10: int a_avail = v->a_avail, c_avail = v->c_avail; yading@10: int use_pred = s->ac_pred; yading@10: int scale; yading@10: int q1, q2 = 0; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: yading@10: /* Get DC differential */ yading@10: if (n < 4) { yading@10: dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); yading@10: } else { yading@10: dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); yading@10: } yading@10: if (dcdiff < 0) { yading@10: av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n"); yading@10: return -1; yading@10: } yading@10: if (dcdiff) { yading@10: if (dcdiff == 119 /* ESC index value */) { yading@10: /* TODO: Optimize */ yading@10: if (mquant == 1) dcdiff = get_bits(gb, 10); yading@10: else if (mquant == 2) dcdiff = get_bits(gb, 9); yading@10: else dcdiff = get_bits(gb, 8); yading@10: } else { yading@10: if (mquant == 1) yading@10: dcdiff = (dcdiff << 2) + get_bits(gb, 2) - 3; yading@10: else if (mquant == 2) yading@10: dcdiff = (dcdiff << 1) + get_bits1(gb) - 1; yading@10: } yading@10: if (get_bits1(gb)) yading@10: dcdiff = -dcdiff; yading@10: } yading@10: yading@10: /* Prediction */ yading@10: dcdiff += vc1_pred_dc(&v->s, v->overlap, mquant, n, v->a_avail, v->c_avail, &dc_val, &dc_pred_dir); yading@10: *dc_val = dcdiff; yading@10: yading@10: /* Store the quantized DC coeff, used for prediction */ yading@10: if (n < 4) { yading@10: block[0] = dcdiff * s->y_dc_scale; yading@10: } else { yading@10: block[0] = dcdiff * s->c_dc_scale; yading@10: } yading@10: yading@10: //AC Decoding yading@10: i = 1; yading@10: yading@10: /* check if AC is needed at all */ yading@10: if (!a_avail && !c_avail) yading@10: use_pred = 0; yading@10: ac_val = s->ac_val[0][0] + s->block_index[n] * 16; yading@10: ac_val2 = ac_val; yading@10: yading@10: scale = mquant * 2 + ((mquant == v->pq) ? v->halfpq : 0); yading@10: yading@10: if (dc_pred_dir) // left yading@10: ac_val -= 16; yading@10: else // top yading@10: ac_val -= 16 * s->block_wrap[n]; yading@10: yading@10: q1 = s->current_picture.qscale_table[mb_pos]; yading@10: if ( dc_pred_dir && c_avail && mb_pos) yading@10: q2 = s->current_picture.qscale_table[mb_pos - 1]; yading@10: if (!dc_pred_dir && a_avail && mb_pos >= s->mb_stride) yading@10: q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride]; yading@10: if ( dc_pred_dir && n == 1) yading@10: q2 = q1; yading@10: if (!dc_pred_dir && n == 2) yading@10: q2 = q1; yading@10: if (n == 3) yading@10: q2 = q1; yading@10: yading@10: if (coded) { yading@10: int last = 0, skip, value; yading@10: const uint8_t *zz_table; yading@10: int k; yading@10: yading@10: if (v->s.ac_pred) { yading@10: if (!use_pred && v->fcm == ILACE_FRAME) { yading@10: zz_table = v->zzi_8x8; yading@10: } else { yading@10: if (!dc_pred_dir) // top yading@10: zz_table = v->zz_8x8[2]; yading@10: else // left yading@10: zz_table = v->zz_8x8[3]; yading@10: } yading@10: } else { yading@10: if (v->fcm != ILACE_FRAME) yading@10: zz_table = v->zz_8x8[1]; yading@10: else yading@10: zz_table = v->zzi_8x8; yading@10: } yading@10: yading@10: while (!last) { yading@10: vc1_decode_ac_coeff(v, &last, &skip, &value, codingset); yading@10: i += skip; yading@10: if (i > 63) yading@10: break; yading@10: block[zz_table[i++]] = value; yading@10: } yading@10: yading@10: /* apply AC prediction if needed */ yading@10: if (use_pred) { yading@10: /* scale predictors if needed*/ yading@10: if (q2 && q1 != q2) { yading@10: q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; yading@10: q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; yading@10: yading@10: if (q1 < 1) yading@10: return AVERROR_INVALIDDATA; yading@10: if (dc_pred_dir) { // left yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->left_blk_sh] += (ac_val[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; yading@10: } else { // top yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->top_blk_sh] += (ac_val[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; yading@10: } yading@10: } else { yading@10: if (dc_pred_dir) { //left yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->left_blk_sh] += ac_val[k]; yading@10: } else { //top yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->top_blk_sh] += ac_val[k + 8]; yading@10: } yading@10: } yading@10: } yading@10: /* save AC coeffs for further prediction */ yading@10: for (k = 1; k < 8; k++) { yading@10: ac_val2[k ] = block[k << v->left_blk_sh]; yading@10: ac_val2[k + 8] = block[k << v->top_blk_sh]; yading@10: } yading@10: yading@10: /* scale AC coeffs */ yading@10: for (k = 1; k < 64; k++) yading@10: if (block[k]) { yading@10: block[k] *= scale; yading@10: if (!v->pquantizer) yading@10: block[k] += (block[k] < 0) ? -mquant : mquant; yading@10: } yading@10: yading@10: if (use_pred) i = 63; yading@10: } else { // no AC coeffs yading@10: int k; yading@10: yading@10: memset(ac_val2, 0, 16 * 2); yading@10: if (dc_pred_dir) { // left yading@10: if (use_pred) { yading@10: memcpy(ac_val2, ac_val, 8 * 2); yading@10: if (q2 && q1 != q2) { yading@10: q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; yading@10: q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; yading@10: if (q1 < 1) yading@10: return AVERROR_INVALIDDATA; yading@10: for (k = 1; k < 8; k++) yading@10: ac_val2[k] = (ac_val2[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; yading@10: } yading@10: } yading@10: } else { // top yading@10: if (use_pred) { yading@10: memcpy(ac_val2 + 8, ac_val + 8, 8 * 2); yading@10: if (q2 && q1 != q2) { yading@10: q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; yading@10: q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; yading@10: if (q1 < 1) yading@10: return AVERROR_INVALIDDATA; yading@10: for (k = 1; k < 8; k++) yading@10: ac_val2[k + 8] = (ac_val2[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; yading@10: } yading@10: } yading@10: } yading@10: yading@10: /* apply AC prediction if needed */ yading@10: if (use_pred) { yading@10: if (dc_pred_dir) { // left yading@10: for (k = 1; k < 8; k++) { yading@10: block[k << v->left_blk_sh] = ac_val2[k] * scale; yading@10: if (!v->pquantizer && block[k << v->left_blk_sh]) yading@10: block[k << v->left_blk_sh] += (block[k << v->left_blk_sh] < 0) ? -mquant : mquant; yading@10: } yading@10: } else { // top yading@10: for (k = 1; k < 8; k++) { yading@10: block[k << v->top_blk_sh] = ac_val2[k + 8] * scale; yading@10: if (!v->pquantizer && block[k << v->top_blk_sh]) yading@10: block[k << v->top_blk_sh] += (block[k << v->top_blk_sh] < 0) ? -mquant : mquant; yading@10: } yading@10: } yading@10: i = 63; yading@10: } yading@10: } yading@10: s->block_last_index[n] = i; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: /** Decode intra block in inter frames - more generic version than vc1_decode_i_block yading@10: * @param v VC1Context yading@10: * @param block block to decode yading@10: * @param[in] n subblock index yading@10: * @param coded are AC coeffs present or not yading@10: * @param mquant block quantizer yading@10: * @param codingset set of VLC to decode data yading@10: */ yading@10: static int vc1_decode_intra_block(VC1Context *v, int16_t block[64], int n, yading@10: int coded, int mquant, int codingset) yading@10: { yading@10: GetBitContext *gb = &v->s.gb; yading@10: MpegEncContext *s = &v->s; yading@10: int dc_pred_dir = 0; /* Direction of the DC prediction used */ yading@10: int i; yading@10: int16_t *dc_val = NULL; yading@10: int16_t *ac_val, *ac_val2; yading@10: int dcdiff; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: int a_avail = v->a_avail, c_avail = v->c_avail; yading@10: int use_pred = s->ac_pred; yading@10: int scale; yading@10: int q1, q2 = 0; yading@10: yading@10: s->dsp.clear_block(block); yading@10: yading@10: /* XXX: Guard against dumb values of mquant */ yading@10: mquant = (mquant < 1) ? 0 : ((mquant > 31) ? 31 : mquant); yading@10: yading@10: /* Set DC scale - y and c use the same */ yading@10: s->y_dc_scale = s->y_dc_scale_table[mquant]; yading@10: s->c_dc_scale = s->c_dc_scale_table[mquant]; yading@10: yading@10: /* Get DC differential */ yading@10: if (n < 4) { yading@10: dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); yading@10: } else { yading@10: dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); yading@10: } yading@10: if (dcdiff < 0) { yading@10: av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n"); yading@10: return -1; yading@10: } yading@10: if (dcdiff) { yading@10: if (dcdiff == 119 /* ESC index value */) { yading@10: /* TODO: Optimize */ yading@10: if (mquant == 1) dcdiff = get_bits(gb, 10); yading@10: else if (mquant == 2) dcdiff = get_bits(gb, 9); yading@10: else dcdiff = get_bits(gb, 8); yading@10: } else { yading@10: if (mquant == 1) yading@10: dcdiff = (dcdiff << 2) + get_bits(gb, 2) - 3; yading@10: else if (mquant == 2) yading@10: dcdiff = (dcdiff << 1) + get_bits1(gb) - 1; yading@10: } yading@10: if (get_bits1(gb)) yading@10: dcdiff = -dcdiff; yading@10: } yading@10: yading@10: /* Prediction */ yading@10: dcdiff += vc1_pred_dc(&v->s, v->overlap, mquant, n, a_avail, c_avail, &dc_val, &dc_pred_dir); yading@10: *dc_val = dcdiff; yading@10: yading@10: /* Store the quantized DC coeff, used for prediction */ yading@10: yading@10: if (n < 4) { yading@10: block[0] = dcdiff * s->y_dc_scale; yading@10: } else { yading@10: block[0] = dcdiff * s->c_dc_scale; yading@10: } yading@10: yading@10: //AC Decoding yading@10: i = 1; yading@10: yading@10: /* check if AC is needed at all and adjust direction if needed */ yading@10: if (!a_avail) dc_pred_dir = 1; yading@10: if (!c_avail) dc_pred_dir = 0; yading@10: if (!a_avail && !c_avail) use_pred = 0; yading@10: ac_val = s->ac_val[0][0] + s->block_index[n] * 16; yading@10: ac_val2 = ac_val; yading@10: yading@10: scale = mquant * 2 + v->halfpq; yading@10: yading@10: if (dc_pred_dir) //left yading@10: ac_val -= 16; yading@10: else //top yading@10: ac_val -= 16 * s->block_wrap[n]; yading@10: yading@10: q1 = s->current_picture.qscale_table[mb_pos]; yading@10: if (dc_pred_dir && c_avail && mb_pos) yading@10: q2 = s->current_picture.qscale_table[mb_pos - 1]; yading@10: if (!dc_pred_dir && a_avail && mb_pos >= s->mb_stride) yading@10: q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride]; yading@10: if ( dc_pred_dir && n == 1) yading@10: q2 = q1; yading@10: if (!dc_pred_dir && n == 2) yading@10: q2 = q1; yading@10: if (n == 3) q2 = q1; yading@10: yading@10: if (coded) { yading@10: int last = 0, skip, value; yading@10: int k; yading@10: yading@10: while (!last) { yading@10: vc1_decode_ac_coeff(v, &last, &skip, &value, codingset); yading@10: i += skip; yading@10: if (i > 63) yading@10: break; yading@10: if (v->fcm == PROGRESSIVE) yading@10: block[v->zz_8x8[0][i++]] = value; yading@10: else { yading@10: if (use_pred && (v->fcm == ILACE_FRAME)) { yading@10: if (!dc_pred_dir) // top yading@10: block[v->zz_8x8[2][i++]] = value; yading@10: else // left yading@10: block[v->zz_8x8[3][i++]] = value; yading@10: } else { yading@10: block[v->zzi_8x8[i++]] = value; yading@10: } yading@10: } yading@10: } yading@10: yading@10: /* apply AC prediction if needed */ yading@10: if (use_pred) { yading@10: /* scale predictors if needed*/ yading@10: if (q2 && q1 != q2) { yading@10: q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; yading@10: q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; yading@10: yading@10: if (q1 < 1) yading@10: return AVERROR_INVALIDDATA; yading@10: if (dc_pred_dir) { // left yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->left_blk_sh] += (ac_val[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; yading@10: } else { //top yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->top_blk_sh] += (ac_val[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; yading@10: } yading@10: } else { yading@10: if (dc_pred_dir) { // left yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->left_blk_sh] += ac_val[k]; yading@10: } else { // top yading@10: for (k = 1; k < 8; k++) yading@10: block[k << v->top_blk_sh] += ac_val[k + 8]; yading@10: } yading@10: } yading@10: } yading@10: /* save AC coeffs for further prediction */ yading@10: for (k = 1; k < 8; k++) { yading@10: ac_val2[k ] = block[k << v->left_blk_sh]; yading@10: ac_val2[k + 8] = block[k << v->top_blk_sh]; yading@10: } yading@10: yading@10: /* scale AC coeffs */ yading@10: for (k = 1; k < 64; k++) yading@10: if (block[k]) { yading@10: block[k] *= scale; yading@10: if (!v->pquantizer) yading@10: block[k] += (block[k] < 0) ? -mquant : mquant; yading@10: } yading@10: yading@10: if (use_pred) i = 63; yading@10: } else { // no AC coeffs yading@10: int k; yading@10: yading@10: memset(ac_val2, 0, 16 * 2); yading@10: if (dc_pred_dir) { // left yading@10: if (use_pred) { yading@10: memcpy(ac_val2, ac_val, 8 * 2); yading@10: if (q2 && q1 != q2) { yading@10: q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; yading@10: q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; yading@10: if (q1 < 1) yading@10: return AVERROR_INVALIDDATA; yading@10: for (k = 1; k < 8; k++) yading@10: ac_val2[k] = (ac_val2[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; yading@10: } yading@10: } yading@10: } else { // top yading@10: if (use_pred) { yading@10: memcpy(ac_val2 + 8, ac_val + 8, 8 * 2); yading@10: if (q2 && q1 != q2) { yading@10: q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; yading@10: q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; yading@10: if (q1 < 1) yading@10: return AVERROR_INVALIDDATA; yading@10: for (k = 1; k < 8; k++) yading@10: ac_val2[k + 8] = (ac_val2[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; yading@10: } yading@10: } yading@10: } yading@10: yading@10: /* apply AC prediction if needed */ yading@10: if (use_pred) { yading@10: if (dc_pred_dir) { // left yading@10: for (k = 1; k < 8; k++) { yading@10: block[k << v->left_blk_sh] = ac_val2[k] * scale; yading@10: if (!v->pquantizer && block[k << v->left_blk_sh]) yading@10: block[k << v->left_blk_sh] += (block[k << v->left_blk_sh] < 0) ? -mquant : mquant; yading@10: } yading@10: } else { // top yading@10: for (k = 1; k < 8; k++) { yading@10: block[k << v->top_blk_sh] = ac_val2[k + 8] * scale; yading@10: if (!v->pquantizer && block[k << v->top_blk_sh]) yading@10: block[k << v->top_blk_sh] += (block[k << v->top_blk_sh] < 0) ? -mquant : mquant; yading@10: } yading@10: } yading@10: i = 63; yading@10: } yading@10: } yading@10: s->block_last_index[n] = i; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: /** Decode P block yading@10: */ yading@10: static int vc1_decode_p_block(VC1Context *v, int16_t block[64], int n, yading@10: int mquant, int ttmb, int first_block, yading@10: uint8_t *dst, int linesize, int skip_block, yading@10: int *ttmb_out) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: GetBitContext *gb = &s->gb; yading@10: int i, j; yading@10: int subblkpat = 0; yading@10: int scale, off, idx, last, skip, value; yading@10: int ttblk = ttmb & 7; yading@10: int pat = 0; yading@10: yading@10: s->dsp.clear_block(block); yading@10: yading@10: if (ttmb == -1) { yading@10: ttblk = ff_vc1_ttblk_to_tt[v->tt_index][get_vlc2(gb, ff_vc1_ttblk_vlc[v->tt_index].table, VC1_TTBLK_VLC_BITS, 1)]; yading@10: } yading@10: if (ttblk == TT_4X4) { yading@10: subblkpat = ~(get_vlc2(gb, ff_vc1_subblkpat_vlc[v->tt_index].table, VC1_SUBBLKPAT_VLC_BITS, 1) + 1); yading@10: } yading@10: if ((ttblk != TT_8X8 && ttblk != TT_4X4) yading@10: && ((v->ttmbf || (ttmb != -1 && (ttmb & 8) && !first_block)) yading@10: || (!v->res_rtm_flag && !first_block))) { yading@10: subblkpat = decode012(gb); yading@10: if (subblkpat) yading@10: subblkpat ^= 3; // swap decoded pattern bits yading@10: if (ttblk == TT_8X4_TOP || ttblk == TT_8X4_BOTTOM) yading@10: ttblk = TT_8X4; yading@10: if (ttblk == TT_4X8_RIGHT || ttblk == TT_4X8_LEFT) yading@10: ttblk = TT_4X8; yading@10: } yading@10: scale = 2 * mquant + ((v->pq == mquant) ? v->halfpq : 0); yading@10: yading@10: // convert transforms like 8X4_TOP to generic TT and SUBBLKPAT yading@10: if (ttblk == TT_8X4_TOP || ttblk == TT_8X4_BOTTOM) { yading@10: subblkpat = 2 - (ttblk == TT_8X4_TOP); yading@10: ttblk = TT_8X4; yading@10: } yading@10: if (ttblk == TT_4X8_RIGHT || ttblk == TT_4X8_LEFT) { yading@10: subblkpat = 2 - (ttblk == TT_4X8_LEFT); yading@10: ttblk = TT_4X8; yading@10: } yading@10: switch (ttblk) { yading@10: case TT_8X8: yading@10: pat = 0xF; yading@10: i = 0; yading@10: last = 0; yading@10: while (!last) { yading@10: vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2); yading@10: i += skip; yading@10: if (i > 63) yading@10: break; yading@10: if (!v->fcm) yading@10: idx = v->zz_8x8[0][i++]; yading@10: else yading@10: idx = v->zzi_8x8[i++]; yading@10: block[idx] = value * scale; yading@10: if (!v->pquantizer) yading@10: block[idx] += (block[idx] < 0) ? -mquant : mquant; yading@10: } yading@10: if (!skip_block) { yading@10: if (i == 1) yading@10: v->vc1dsp.vc1_inv_trans_8x8_dc(dst, linesize, block); yading@10: else { yading@10: v->vc1dsp.vc1_inv_trans_8x8(block); yading@10: s->dsp.add_pixels_clamped(block, dst, linesize); yading@10: } yading@10: } yading@10: break; yading@10: case TT_4X4: yading@10: pat = ~subblkpat & 0xF; yading@10: for (j = 0; j < 4; j++) { yading@10: last = subblkpat & (1 << (3 - j)); yading@10: i = 0; yading@10: off = (j & 1) * 4 + (j & 2) * 16; yading@10: while (!last) { yading@10: vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2); yading@10: i += skip; yading@10: if (i > 15) yading@10: break; yading@10: if (!v->fcm) yading@10: idx = ff_vc1_simple_progressive_4x4_zz[i++]; yading@10: else yading@10: idx = ff_vc1_adv_interlaced_4x4_zz[i++]; yading@10: block[idx + off] = value * scale; yading@10: if (!v->pquantizer) yading@10: block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant; yading@10: } yading@10: if (!(subblkpat & (1 << (3 - j))) && !skip_block) { yading@10: if (i == 1) yading@10: v->vc1dsp.vc1_inv_trans_4x4_dc(dst + (j & 1) * 4 + (j & 2) * 2 * linesize, linesize, block + off); yading@10: else yading@10: v->vc1dsp.vc1_inv_trans_4x4(dst + (j & 1) * 4 + (j & 2) * 2 * linesize, linesize, block + off); yading@10: } yading@10: } yading@10: break; yading@10: case TT_8X4: yading@10: pat = ~((subblkpat & 2) * 6 + (subblkpat & 1) * 3) & 0xF; yading@10: for (j = 0; j < 2; j++) { yading@10: last = subblkpat & (1 << (1 - j)); yading@10: i = 0; yading@10: off = j * 32; yading@10: while (!last) { yading@10: vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2); yading@10: i += skip; yading@10: if (i > 31) yading@10: break; yading@10: if (!v->fcm) yading@10: idx = v->zz_8x4[i++] + off; yading@10: else yading@10: idx = ff_vc1_adv_interlaced_8x4_zz[i++] + off; yading@10: block[idx] = value * scale; yading@10: if (!v->pquantizer) yading@10: block[idx] += (block[idx] < 0) ? -mquant : mquant; yading@10: } yading@10: if (!(subblkpat & (1 << (1 - j))) && !skip_block) { yading@10: if (i == 1) yading@10: v->vc1dsp.vc1_inv_trans_8x4_dc(dst + j * 4 * linesize, linesize, block + off); yading@10: else yading@10: v->vc1dsp.vc1_inv_trans_8x4(dst + j * 4 * linesize, linesize, block + off); yading@10: } yading@10: } yading@10: break; yading@10: case TT_4X8: yading@10: pat = ~(subblkpat * 5) & 0xF; yading@10: for (j = 0; j < 2; j++) { yading@10: last = subblkpat & (1 << (1 - j)); yading@10: i = 0; yading@10: off = j * 4; yading@10: while (!last) { yading@10: vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2); yading@10: i += skip; yading@10: if (i > 31) yading@10: break; yading@10: if (!v->fcm) yading@10: idx = v->zz_4x8[i++] + off; yading@10: else yading@10: idx = ff_vc1_adv_interlaced_4x8_zz[i++] + off; yading@10: block[idx] = value * scale; yading@10: if (!v->pquantizer) yading@10: block[idx] += (block[idx] < 0) ? -mquant : mquant; yading@10: } yading@10: if (!(subblkpat & (1 << (1 - j))) && !skip_block) { yading@10: if (i == 1) yading@10: v->vc1dsp.vc1_inv_trans_4x8_dc(dst + j * 4, linesize, block + off); yading@10: else yading@10: v->vc1dsp.vc1_inv_trans_4x8(dst + j*4, linesize, block + off); yading@10: } yading@10: } yading@10: break; yading@10: } yading@10: if (ttmb_out) yading@10: *ttmb_out |= ttblk << (n * 4); yading@10: return pat; yading@10: } yading@10: yading@10: /** @} */ // Macroblock group yading@10: yading@10: static const int size_table [6] = { 0, 2, 3, 4, 5, 8 }; yading@10: static const int offset_table[6] = { 0, 1, 3, 7, 15, 31 }; yading@10: yading@10: static av_always_inline void vc1_apply_p_v_loop_filter(VC1Context *v, int block_num) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int mb_cbp = v->cbp[s->mb_x - s->mb_stride], yading@10: block_cbp = mb_cbp >> (block_num * 4), bottom_cbp, yading@10: mb_is_intra = v->is_intra[s->mb_x - s->mb_stride], yading@10: block_is_intra = mb_is_intra >> (block_num * 4), bottom_is_intra; yading@10: int idx, linesize = block_num > 3 ? s->uvlinesize : s->linesize, ttblk; yading@10: uint8_t *dst; yading@10: yading@10: if (block_num > 3) { yading@10: dst = s->dest[block_num - 3]; yading@10: } else { yading@10: dst = s->dest[0] + (block_num & 1) * 8 + ((block_num & 2) * 4 - 8) * linesize; yading@10: } yading@10: if (s->mb_y != s->end_mb_y || block_num < 2) { yading@10: int16_t (*mv)[2]; yading@10: int mv_stride; yading@10: yading@10: if (block_num > 3) { yading@10: bottom_cbp = v->cbp[s->mb_x] >> (block_num * 4); yading@10: bottom_is_intra = v->is_intra[s->mb_x] >> (block_num * 4); yading@10: mv = &v->luma_mv[s->mb_x - s->mb_stride]; yading@10: mv_stride = s->mb_stride; yading@10: } else { yading@10: bottom_cbp = (block_num < 2) ? (mb_cbp >> ((block_num + 2) * 4)) yading@10: : (v->cbp[s->mb_x] >> ((block_num - 2) * 4)); yading@10: bottom_is_intra = (block_num < 2) ? (mb_is_intra >> ((block_num + 2) * 4)) yading@10: : (v->is_intra[s->mb_x] >> ((block_num - 2) * 4)); yading@10: mv_stride = s->b8_stride; yading@10: mv = &s->current_picture.motion_val[0][s->block_index[block_num] - 2 * mv_stride]; yading@10: } yading@10: yading@10: if (bottom_is_intra & 1 || block_is_intra & 1 || yading@10: mv[0][0] != mv[mv_stride][0] || mv[0][1] != mv[mv_stride][1]) { yading@10: v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq); yading@10: } else { yading@10: idx = ((bottom_cbp >> 2) | block_cbp) & 3; yading@10: if (idx == 3) { yading@10: v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq); yading@10: } else if (idx) { yading@10: if (idx == 1) yading@10: v->vc1dsp.vc1_v_loop_filter4(dst + 4, linesize, v->pq); yading@10: else yading@10: v->vc1dsp.vc1_v_loop_filter4(dst, linesize, v->pq); yading@10: } yading@10: } yading@10: } yading@10: yading@10: dst -= 4 * linesize; yading@10: ttblk = (v->ttblk[s->mb_x - s->mb_stride] >> (block_num * 4)) & 0xF; yading@10: if (ttblk == TT_4X4 || ttblk == TT_8X4) { yading@10: idx = (block_cbp | (block_cbp >> 2)) & 3; yading@10: if (idx == 3) { yading@10: v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq); yading@10: } else if (idx) { yading@10: if (idx == 1) yading@10: v->vc1dsp.vc1_v_loop_filter4(dst + 4, linesize, v->pq); yading@10: else yading@10: v->vc1dsp.vc1_v_loop_filter4(dst, linesize, v->pq); yading@10: } yading@10: } yading@10: } yading@10: yading@10: static av_always_inline void vc1_apply_p_h_loop_filter(VC1Context *v, int block_num) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int mb_cbp = v->cbp[s->mb_x - 1 - s->mb_stride], yading@10: block_cbp = mb_cbp >> (block_num * 4), right_cbp, yading@10: mb_is_intra = v->is_intra[s->mb_x - 1 - s->mb_stride], yading@10: block_is_intra = mb_is_intra >> (block_num * 4), right_is_intra; yading@10: int idx, linesize = block_num > 3 ? s->uvlinesize : s->linesize, ttblk; yading@10: uint8_t *dst; yading@10: yading@10: if (block_num > 3) { yading@10: dst = s->dest[block_num - 3] - 8 * linesize; yading@10: } else { yading@10: dst = s->dest[0] + (block_num & 1) * 8 + ((block_num & 2) * 4 - 16) * linesize - 8; yading@10: } yading@10: yading@10: if (s->mb_x != s->mb_width || !(block_num & 5)) { yading@10: int16_t (*mv)[2]; yading@10: yading@10: if (block_num > 3) { yading@10: right_cbp = v->cbp[s->mb_x - s->mb_stride] >> (block_num * 4); yading@10: right_is_intra = v->is_intra[s->mb_x - s->mb_stride] >> (block_num * 4); yading@10: mv = &v->luma_mv[s->mb_x - s->mb_stride - 1]; yading@10: } else { yading@10: right_cbp = (block_num & 1) ? (v->cbp[s->mb_x - s->mb_stride] >> ((block_num - 1) * 4)) yading@10: : (mb_cbp >> ((block_num + 1) * 4)); yading@10: right_is_intra = (block_num & 1) ? (v->is_intra[s->mb_x - s->mb_stride] >> ((block_num - 1) * 4)) yading@10: : (mb_is_intra >> ((block_num + 1) * 4)); yading@10: mv = &s->current_picture.motion_val[0][s->block_index[block_num] - s->b8_stride * 2 - 2]; yading@10: } yading@10: if (block_is_intra & 1 || right_is_intra & 1 || mv[0][0] != mv[1][0] || mv[0][1] != mv[1][1]) { yading@10: v->vc1dsp.vc1_h_loop_filter8(dst, linesize, v->pq); yading@10: } else { yading@10: idx = ((right_cbp >> 1) | block_cbp) & 5; // FIXME check yading@10: if (idx == 5) { yading@10: v->vc1dsp.vc1_h_loop_filter8(dst, linesize, v->pq); yading@10: } else if (idx) { yading@10: if (idx == 1) yading@10: v->vc1dsp.vc1_h_loop_filter4(dst + 4 * linesize, linesize, v->pq); yading@10: else yading@10: v->vc1dsp.vc1_h_loop_filter4(dst, linesize, v->pq); yading@10: } yading@10: } yading@10: } yading@10: yading@10: dst -= 4; yading@10: ttblk = (v->ttblk[s->mb_x - s->mb_stride - 1] >> (block_num * 4)) & 0xf; yading@10: if (ttblk == TT_4X4 || ttblk == TT_4X8) { yading@10: idx = (block_cbp | (block_cbp >> 1)) & 5; yading@10: if (idx == 5) { yading@10: v->vc1dsp.vc1_h_loop_filter8(dst, linesize, v->pq); yading@10: } else if (idx) { yading@10: if (idx == 1) yading@10: v->vc1dsp.vc1_h_loop_filter4(dst + linesize * 4, linesize, v->pq); yading@10: else yading@10: v->vc1dsp.vc1_h_loop_filter4(dst, linesize, v->pq); yading@10: } yading@10: } yading@10: } yading@10: yading@10: static void vc1_apply_p_loop_filter(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int i; yading@10: yading@10: for (i = 0; i < 6; i++) { yading@10: vc1_apply_p_v_loop_filter(v, i); yading@10: } yading@10: yading@10: /* V always precedes H, therefore we run H one MB before V; yading@10: * at the end of a row, we catch up to complete the row */ yading@10: if (s->mb_x) { yading@10: for (i = 0; i < 6; i++) { yading@10: vc1_apply_p_h_loop_filter(v, i); yading@10: } yading@10: if (s->mb_x == s->mb_width - 1) { yading@10: s->mb_x++; yading@10: ff_update_block_index(s); yading@10: for (i = 0; i < 6; i++) { yading@10: vc1_apply_p_h_loop_filter(v, i); yading@10: } yading@10: } yading@10: } yading@10: } yading@10: yading@10: /** Decode one P-frame MB yading@10: */ yading@10: static int vc1_decode_p_mb(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: GetBitContext *gb = &s->gb; yading@10: int i, j; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: int cbp; /* cbp decoding stuff */ yading@10: int mqdiff, mquant; /* MB quantization */ yading@10: int ttmb = v->ttfrm; /* MB Transform type */ yading@10: yading@10: int mb_has_coeffs = 1; /* last_flag */ yading@10: int dmv_x, dmv_y; /* Differential MV components */ yading@10: int index, index1; /* LUT indexes */ yading@10: int val, sign; /* temp values */ yading@10: int first_block = 1; yading@10: int dst_idx, off; yading@10: int skipped, fourmv; yading@10: int block_cbp = 0, pat, block_tt = 0, block_intra = 0; yading@10: yading@10: mquant = v->pq; /* lossy initialization */ yading@10: yading@10: if (v->mv_type_is_raw) yading@10: fourmv = get_bits1(gb); yading@10: else yading@10: fourmv = v->mv_type_mb_plane[mb_pos]; yading@10: if (v->skip_is_raw) yading@10: skipped = get_bits1(gb); yading@10: else yading@10: skipped = v->s.mbskip_table[mb_pos]; yading@10: yading@10: if (!fourmv) { /* 1MV mode */ yading@10: if (!skipped) { yading@10: GET_MVDATA(dmv_x, dmv_y); yading@10: yading@10: if (s->mb_intra) { yading@10: s->current_picture.motion_val[1][s->block_index[0]][0] = 0; yading@10: s->current_picture.motion_val[1][s->block_index[0]][1] = 0; yading@10: } yading@10: s->current_picture.mb_type[mb_pos] = s->mb_intra ? MB_TYPE_INTRA : MB_TYPE_16x16; yading@10: vc1_pred_mv(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0, 0); yading@10: yading@10: /* FIXME Set DC val for inter block ? */ yading@10: if (s->mb_intra && !mb_has_coeffs) { yading@10: GET_MQUANT(); yading@10: s->ac_pred = get_bits1(gb); yading@10: cbp = 0; yading@10: } else if (mb_has_coeffs) { yading@10: if (s->mb_intra) yading@10: s->ac_pred = get_bits1(gb); yading@10: cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: GET_MQUANT(); yading@10: } else { yading@10: mquant = v->pq; yading@10: cbp = 0; yading@10: } yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: yading@10: if (!v->ttmbf && !s->mb_intra && mb_has_coeffs) yading@10: ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, yading@10: VC1_TTMB_VLC_BITS, 2); yading@10: if (!s->mb_intra) vc1_mc_1mv(v, 0); yading@10: dst_idx = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); yading@10: v->mb_type[0][s->block_index[i]] = s->mb_intra; yading@10: if (s->mb_intra) { yading@10: /* check if prediction blocks A and C are available */ yading@10: v->a_avail = v->c_avail = 0; yading@10: if (i == 2 || i == 3 || !s->first_slice_line) yading@10: v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; yading@10: if (i == 1 || i == 3 || s->mb_x) yading@10: v->c_avail = v->mb_type[0][s->block_index[i] - 1]; yading@10: yading@10: vc1_decode_intra_block(v, s->block[i], i, val, mquant, yading@10: (i & 4) ? v->codingset2 : v->codingset); yading@10: if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) yading@10: continue; yading@10: v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); yading@10: if (v->rangeredfrm) yading@10: for (j = 0; j < 64; j++) yading@10: s->block[i][j] <<= 1; yading@10: s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); yading@10: if (v->pq >= 9 && v->overlap) { yading@10: if (v->c_avail) yading@10: v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); yading@10: if (v->a_avail) yading@10: v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); yading@10: } yading@10: block_cbp |= 0xF << (i << 2); yading@10: block_intra |= 1 << i; yading@10: } else if (val) { yading@10: pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, yading@10: s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize, yading@10: (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt); yading@10: block_cbp |= pat << (i << 2); yading@10: if (!v->ttmbf && ttmb < 8) yading@10: ttmb = -1; yading@10: first_block = 0; yading@10: } yading@10: } yading@10: } else { // skipped yading@10: s->mb_intra = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: v->mb_type[0][s->block_index[i]] = 0; yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: } yading@10: s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP; yading@10: s->current_picture.qscale_table[mb_pos] = 0; yading@10: vc1_pred_mv(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0, 0); yading@10: vc1_mc_1mv(v, 0); yading@10: } yading@10: } else { // 4MV mode yading@10: if (!skipped /* unskipped MB */) { yading@10: int intra_count = 0, coded_inter = 0; yading@10: int is_intra[6], is_coded[6]; yading@10: /* Get CBPCY */ yading@10: cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: for (i = 0; i < 6; i++) { yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: s->mb_intra = 0; yading@10: if (i < 4) { yading@10: dmv_x = dmv_y = 0; yading@10: s->mb_intra = 0; yading@10: mb_has_coeffs = 0; yading@10: if (val) { yading@10: GET_MVDATA(dmv_x, dmv_y); yading@10: } yading@10: vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0); yading@10: if (!s->mb_intra) yading@10: vc1_mc_4mv_luma(v, i, 0, 0); yading@10: intra_count += s->mb_intra; yading@10: is_intra[i] = s->mb_intra; yading@10: is_coded[i] = mb_has_coeffs; yading@10: } yading@10: if (i & 4) { yading@10: is_intra[i] = (intra_count >= 3); yading@10: is_coded[i] = val; yading@10: } yading@10: if (i == 4) yading@10: vc1_mc_4mv_chroma(v, 0); yading@10: v->mb_type[0][s->block_index[i]] = is_intra[i]; yading@10: if (!coded_inter) yading@10: coded_inter = !is_intra[i] & is_coded[i]; yading@10: } yading@10: // if there are no coded blocks then don't do anything more yading@10: dst_idx = 0; yading@10: if (!intra_count && !coded_inter) yading@10: goto end; yading@10: GET_MQUANT(); yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: /* test if block is intra and has pred */ yading@10: { yading@10: int intrapred = 0; yading@10: for (i = 0; i < 6; i++) yading@10: if (is_intra[i]) { yading@10: if (((!s->first_slice_line || (i == 2 || i == 3)) && v->mb_type[0][s->block_index[i] - s->block_wrap[i]]) yading@10: || ((s->mb_x || (i == 1 || i == 3)) && v->mb_type[0][s->block_index[i] - 1])) { yading@10: intrapred = 1; yading@10: break; yading@10: } yading@10: } yading@10: if (intrapred) yading@10: s->ac_pred = get_bits1(gb); yading@10: else yading@10: s->ac_pred = 0; yading@10: } yading@10: if (!v->ttmbf && coded_inter) yading@10: ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); yading@10: for (i = 0; i < 6; i++) { yading@10: dst_idx += i >> 2; yading@10: off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); yading@10: s->mb_intra = is_intra[i]; yading@10: if (is_intra[i]) { yading@10: /* check if prediction blocks A and C are available */ yading@10: v->a_avail = v->c_avail = 0; yading@10: if (i == 2 || i == 3 || !s->first_slice_line) yading@10: v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; yading@10: if (i == 1 || i == 3 || s->mb_x) yading@10: v->c_avail = v->mb_type[0][s->block_index[i] - 1]; yading@10: yading@10: vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant, yading@10: (i & 4) ? v->codingset2 : v->codingset); yading@10: if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) yading@10: continue; yading@10: v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); yading@10: if (v->rangeredfrm) yading@10: for (j = 0; j < 64; j++) yading@10: s->block[i][j] <<= 1; yading@10: s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, yading@10: (i & 4) ? s->uvlinesize : s->linesize); yading@10: if (v->pq >= 9 && v->overlap) { yading@10: if (v->c_avail) yading@10: v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); yading@10: if (v->a_avail) yading@10: v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); yading@10: } yading@10: block_cbp |= 0xF << (i << 2); yading@10: block_intra |= 1 << i; yading@10: } else if (is_coded[i]) { yading@10: pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, yading@10: first_block, s->dest[dst_idx] + off, yading@10: (i & 4) ? s->uvlinesize : s->linesize, yading@10: (i & 4) && (s->flags & CODEC_FLAG_GRAY), yading@10: &block_tt); yading@10: block_cbp |= pat << (i << 2); yading@10: if (!v->ttmbf && ttmb < 8) yading@10: ttmb = -1; yading@10: first_block = 0; yading@10: } yading@10: } yading@10: } else { // skipped MB yading@10: s->mb_intra = 0; yading@10: s->current_picture.qscale_table[mb_pos] = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: v->mb_type[0][s->block_index[i]] = 0; yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: } yading@10: for (i = 0; i < 4; i++) { yading@10: vc1_pred_mv(v, i, 0, 0, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0); yading@10: vc1_mc_4mv_luma(v, i, 0, 0); yading@10: } yading@10: vc1_mc_4mv_chroma(v, 0); yading@10: s->current_picture.qscale_table[mb_pos] = 0; yading@10: } yading@10: } yading@10: end: yading@10: v->cbp[s->mb_x] = block_cbp; yading@10: v->ttblk[s->mb_x] = block_tt; yading@10: v->is_intra[s->mb_x] = block_intra; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: /* Decode one macroblock in an interlaced frame p picture */ yading@10: yading@10: static int vc1_decode_p_mb_intfr(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: GetBitContext *gb = &s->gb; yading@10: int i; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: int cbp = 0; /* cbp decoding stuff */ yading@10: int mqdiff, mquant; /* MB quantization */ yading@10: int ttmb = v->ttfrm; /* MB Transform type */ yading@10: yading@10: int mb_has_coeffs = 1; /* last_flag */ yading@10: int dmv_x, dmv_y; /* Differential MV components */ yading@10: int val; /* temp value */ yading@10: int first_block = 1; yading@10: int dst_idx, off; yading@10: int skipped, fourmv = 0, twomv = 0; yading@10: int block_cbp = 0, pat, block_tt = 0; yading@10: int idx_mbmode = 0, mvbp; yading@10: int stride_y, fieldtx; yading@10: yading@10: mquant = v->pq; /* Lossy initialization */ yading@10: yading@10: if (v->skip_is_raw) yading@10: skipped = get_bits1(gb); yading@10: else yading@10: skipped = v->s.mbskip_table[mb_pos]; yading@10: if (!skipped) { yading@10: if (v->fourmvswitch) yading@10: idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_4MV_MBMODE_VLC_BITS, 2); // try getting this done yading@10: else yading@10: idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 2); // in a single line yading@10: switch (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0]) { yading@10: /* store the motion vector type in a flag (useful later) */ yading@10: case MV_PMODE_INTFR_4MV: yading@10: fourmv = 1; yading@10: v->blk_mv_type[s->block_index[0]] = 0; yading@10: v->blk_mv_type[s->block_index[1]] = 0; yading@10: v->blk_mv_type[s->block_index[2]] = 0; yading@10: v->blk_mv_type[s->block_index[3]] = 0; yading@10: break; yading@10: case MV_PMODE_INTFR_4MV_FIELD: yading@10: fourmv = 1; yading@10: v->blk_mv_type[s->block_index[0]] = 1; yading@10: v->blk_mv_type[s->block_index[1]] = 1; yading@10: v->blk_mv_type[s->block_index[2]] = 1; yading@10: v->blk_mv_type[s->block_index[3]] = 1; yading@10: break; yading@10: case MV_PMODE_INTFR_2MV_FIELD: yading@10: twomv = 1; yading@10: v->blk_mv_type[s->block_index[0]] = 1; yading@10: v->blk_mv_type[s->block_index[1]] = 1; yading@10: v->blk_mv_type[s->block_index[2]] = 1; yading@10: v->blk_mv_type[s->block_index[3]] = 1; yading@10: break; yading@10: case MV_PMODE_INTFR_1MV: yading@10: v->blk_mv_type[s->block_index[0]] = 0; yading@10: v->blk_mv_type[s->block_index[1]] = 0; yading@10: v->blk_mv_type[s->block_index[2]] = 0; yading@10: v->blk_mv_type[s->block_index[3]] = 0; yading@10: break; yading@10: } yading@10: if (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_INTRA) { // intra MB yading@10: for (i = 0; i < 4; i++) { yading@10: s->current_picture.motion_val[1][s->block_index[i]][0] = 0; yading@10: s->current_picture.motion_val[1][s->block_index[i]][1] = 0; yading@10: } yading@10: s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA; yading@10: s->mb_intra = v->is_intra[s->mb_x] = 1; yading@10: for (i = 0; i < 6; i++) yading@10: v->mb_type[0][s->block_index[i]] = 1; yading@10: fieldtx = v->fieldtx_plane[mb_pos] = get_bits1(gb); yading@10: mb_has_coeffs = get_bits1(gb); yading@10: if (mb_has_coeffs) yading@10: cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb); yading@10: GET_MQUANT(); yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: /* Set DC scale - y and c use the same (not sure if necessary here) */ yading@10: s->y_dc_scale = s->y_dc_scale_table[mquant]; yading@10: s->c_dc_scale = s->c_dc_scale_table[mquant]; yading@10: dst_idx = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: v->mb_type[0][s->block_index[i]] = s->mb_intra; yading@10: v->a_avail = v->c_avail = 0; yading@10: if (i == 2 || i == 3 || !s->first_slice_line) yading@10: v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; yading@10: if (i == 1 || i == 3 || s->mb_x) yading@10: v->c_avail = v->mb_type[0][s->block_index[i] - 1]; yading@10: yading@10: vc1_decode_intra_block(v, s->block[i], i, val, mquant, yading@10: (i & 4) ? v->codingset2 : v->codingset); yading@10: if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue; yading@10: v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); yading@10: if (i < 4) { yading@10: stride_y = s->linesize << fieldtx; yading@10: off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->linesize : (i & 1) * 8 + 4 * (i & 2) * s->linesize; yading@10: } else { yading@10: stride_y = s->uvlinesize; yading@10: off = 0; yading@10: } yading@10: s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, stride_y); yading@10: //TODO: loop filter yading@10: } yading@10: yading@10: } else { // inter MB yading@10: mb_has_coeffs = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][3]; yading@10: if (mb_has_coeffs) yading@10: cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: if (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_2MV_FIELD) { yading@10: v->twomvbp = get_vlc2(gb, v->twomvbp_vlc->table, VC1_2MV_BLOCK_PATTERN_VLC_BITS, 1); yading@10: } else { yading@10: if ((ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_4MV) yading@10: || (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_4MV_FIELD)) { yading@10: v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1); yading@10: } yading@10: } yading@10: s->mb_intra = v->is_intra[s->mb_x] = 0; yading@10: for (i = 0; i < 6; i++) yading@10: v->mb_type[0][s->block_index[i]] = 0; yading@10: fieldtx = v->fieldtx_plane[mb_pos] = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][1]; yading@10: /* for all motion vector read MVDATA and motion compensate each block */ yading@10: dst_idx = 0; yading@10: if (fourmv) { yading@10: mvbp = v->fourmvbp; yading@10: for (i = 0; i < 6; i++) { yading@10: if (i < 4) { yading@10: dmv_x = dmv_y = 0; yading@10: val = ((mvbp >> (3 - i)) & 1); yading@10: if (val) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: vc1_pred_mv_intfr(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], 0); yading@10: vc1_mc_4mv_luma(v, i, 0, 0); yading@10: } else if (i == 4) { yading@10: vc1_mc_4mv_chroma4(v); yading@10: } yading@10: } yading@10: } else if (twomv) { yading@10: mvbp = v->twomvbp; yading@10: dmv_x = dmv_y = 0; yading@10: if (mvbp & 2) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], 0); yading@10: vc1_mc_4mv_luma(v, 0, 0, 0); yading@10: vc1_mc_4mv_luma(v, 1, 0, 0); yading@10: dmv_x = dmv_y = 0; yading@10: if (mvbp & 1) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], 0); yading@10: vc1_mc_4mv_luma(v, 2, 0, 0); yading@10: vc1_mc_4mv_luma(v, 3, 0, 0); yading@10: vc1_mc_4mv_chroma4(v); yading@10: } else { yading@10: mvbp = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][2]; yading@10: dmv_x = dmv_y = 0; yading@10: if (mvbp) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0); yading@10: vc1_mc_1mv(v, 0); yading@10: } yading@10: if (cbp) yading@10: GET_MQUANT(); // p. 227 yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: if (!v->ttmbf && cbp) yading@10: ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: if (!fieldtx) yading@10: off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); yading@10: else yading@10: off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->linesize)); yading@10: if (val) { yading@10: pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, yading@10: first_block, s->dest[dst_idx] + off, yading@10: (i & 4) ? s->uvlinesize : (s->linesize << fieldtx), yading@10: (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt); yading@10: block_cbp |= pat << (i << 2); yading@10: if (!v->ttmbf && ttmb < 8) yading@10: ttmb = -1; yading@10: first_block = 0; yading@10: } yading@10: } yading@10: } yading@10: } else { // skipped yading@10: s->mb_intra = v->is_intra[s->mb_x] = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: v->mb_type[0][s->block_index[i]] = 0; yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: } yading@10: s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP; yading@10: s->current_picture.qscale_table[mb_pos] = 0; yading@10: v->blk_mv_type[s->block_index[0]] = 0; yading@10: v->blk_mv_type[s->block_index[1]] = 0; yading@10: v->blk_mv_type[s->block_index[2]] = 0; yading@10: v->blk_mv_type[s->block_index[3]] = 0; yading@10: vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0); yading@10: vc1_mc_1mv(v, 0); yading@10: } yading@10: if (s->mb_x == s->mb_width - 1) yading@10: memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0])*s->mb_stride); yading@10: return 0; yading@10: } yading@10: yading@10: static int vc1_decode_p_mb_intfi(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: GetBitContext *gb = &s->gb; yading@10: int i; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: int cbp = 0; /* cbp decoding stuff */ yading@10: int mqdiff, mquant; /* MB quantization */ yading@10: int ttmb = v->ttfrm; /* MB Transform type */ yading@10: yading@10: int mb_has_coeffs = 1; /* last_flag */ yading@10: int dmv_x, dmv_y; /* Differential MV components */ yading@10: int val; /* temp values */ yading@10: int first_block = 1; yading@10: int dst_idx, off; yading@10: int pred_flag = 0; yading@10: int block_cbp = 0, pat, block_tt = 0; yading@10: int idx_mbmode = 0; yading@10: yading@10: mquant = v->pq; /* Lossy initialization */ yading@10: yading@10: idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2); yading@10: if (idx_mbmode <= 1) { // intra MB yading@10: s->mb_intra = v->is_intra[s->mb_x] = 1; yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0; yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0; yading@10: s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA; yading@10: GET_MQUANT(); yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: /* Set DC scale - y and c use the same (not sure if necessary here) */ yading@10: s->y_dc_scale = s->y_dc_scale_table[mquant]; yading@10: s->c_dc_scale = s->c_dc_scale_table[mquant]; yading@10: v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb); yading@10: mb_has_coeffs = idx_mbmode & 1; yading@10: if (mb_has_coeffs) yading@10: cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_ICBPCY_VLC_BITS, 2); yading@10: dst_idx = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: v->mb_type[0][s->block_index[i]] = 1; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: v->a_avail = v->c_avail = 0; yading@10: if (i == 2 || i == 3 || !s->first_slice_line) yading@10: v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; yading@10: if (i == 1 || i == 3 || s->mb_x) yading@10: v->c_avail = v->mb_type[0][s->block_index[i] - 1]; yading@10: yading@10: vc1_decode_intra_block(v, s->block[i], i, val, mquant, yading@10: (i & 4) ? v->codingset2 : v->codingset); yading@10: if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) yading@10: continue; yading@10: v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); yading@10: off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); yading@10: s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize); yading@10: // TODO: loop filter yading@10: } yading@10: } else { yading@10: s->mb_intra = v->is_intra[s->mb_x] = 0; yading@10: s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_16x16; yading@10: for (i = 0; i < 6; i++) v->mb_type[0][s->block_index[i]] = 0; yading@10: if (idx_mbmode <= 5) { // 1-MV yading@10: dmv_x = dmv_y = pred_flag = 0; yading@10: if (idx_mbmode & 1) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag); yading@10: } yading@10: vc1_pred_mv(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], pred_flag, 0); yading@10: vc1_mc_1mv(v, 0); yading@10: mb_has_coeffs = !(idx_mbmode & 2); yading@10: } else { // 4-MV yading@10: v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1); yading@10: for (i = 0; i < 6; i++) { yading@10: if (i < 4) { yading@10: dmv_x = dmv_y = pred_flag = 0; yading@10: val = ((v->fourmvbp >> (3 - i)) & 1); yading@10: if (val) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag); yading@10: } yading@10: vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], pred_flag, 0); yading@10: vc1_mc_4mv_luma(v, i, 0, 0); yading@10: } else if (i == 4) yading@10: vc1_mc_4mv_chroma(v, 0); yading@10: } yading@10: mb_has_coeffs = idx_mbmode & 1; yading@10: } yading@10: if (mb_has_coeffs) yading@10: cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: if (cbp) { yading@10: GET_MQUANT(); yading@10: } yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: if (!v->ttmbf && cbp) { yading@10: ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); yading@10: } yading@10: dst_idx = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->linesize; yading@10: if (val) { yading@10: pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, yading@10: first_block, s->dest[dst_idx] + off, yading@10: (i & 4) ? s->uvlinesize : s->linesize, yading@10: (i & 4) && (s->flags & CODEC_FLAG_GRAY), yading@10: &block_tt); yading@10: block_cbp |= pat << (i << 2); yading@10: if (!v->ttmbf && ttmb < 8) ttmb = -1; yading@10: first_block = 0; yading@10: } yading@10: } yading@10: } yading@10: if (s->mb_x == s->mb_width - 1) yading@10: memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0]) * s->mb_stride); yading@10: return 0; yading@10: } yading@10: yading@10: /** Decode one B-frame MB (in Main profile) yading@10: */ yading@10: static void vc1_decode_b_mb(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: GetBitContext *gb = &s->gb; yading@10: int i, j; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: int cbp = 0; /* cbp decoding stuff */ yading@10: int mqdiff, mquant; /* MB quantization */ yading@10: int ttmb = v->ttfrm; /* MB Transform type */ yading@10: int mb_has_coeffs = 0; /* last_flag */ yading@10: int index, index1; /* LUT indexes */ yading@10: int val, sign; /* temp values */ yading@10: int first_block = 1; yading@10: int dst_idx, off; yading@10: int skipped, direct; yading@10: int dmv_x[2], dmv_y[2]; yading@10: int bmvtype = BMV_TYPE_BACKWARD; yading@10: yading@10: mquant = v->pq; /* lossy initialization */ yading@10: s->mb_intra = 0; yading@10: yading@10: if (v->dmb_is_raw) yading@10: direct = get_bits1(gb); yading@10: else yading@10: direct = v->direct_mb_plane[mb_pos]; yading@10: if (v->skip_is_raw) yading@10: skipped = get_bits1(gb); yading@10: else yading@10: skipped = v->s.mbskip_table[mb_pos]; yading@10: yading@10: dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: v->mb_type[0][s->block_index[i]] = 0; yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: } yading@10: s->current_picture.qscale_table[mb_pos] = 0; yading@10: yading@10: if (!direct) { yading@10: if (!skipped) { yading@10: GET_MVDATA(dmv_x[0], dmv_y[0]); yading@10: dmv_x[1] = dmv_x[0]; yading@10: dmv_y[1] = dmv_y[0]; yading@10: } yading@10: if (skipped || !s->mb_intra) { yading@10: bmvtype = decode012(gb); yading@10: switch (bmvtype) { yading@10: case 0: yading@10: bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_BACKWARD : BMV_TYPE_FORWARD; yading@10: break; yading@10: case 1: yading@10: bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_FORWARD : BMV_TYPE_BACKWARD; yading@10: break; yading@10: case 2: yading@10: bmvtype = BMV_TYPE_INTERPOLATED; yading@10: dmv_x[0] = dmv_y[0] = 0; yading@10: } yading@10: } yading@10: } yading@10: for (i = 0; i < 6; i++) yading@10: v->mb_type[0][s->block_index[i]] = s->mb_intra; yading@10: yading@10: if (skipped) { yading@10: if (direct) yading@10: bmvtype = BMV_TYPE_INTERPOLATED; yading@10: vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); yading@10: vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); yading@10: return; yading@10: } yading@10: if (direct) { yading@10: cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: GET_MQUANT(); yading@10: s->mb_intra = 0; yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: if (!v->ttmbf) yading@10: ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); yading@10: dmv_x[0] = dmv_y[0] = dmv_x[1] = dmv_y[1] = 0; yading@10: vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); yading@10: vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); yading@10: } else { yading@10: if (!mb_has_coeffs && !s->mb_intra) { yading@10: /* no coded blocks - effectively skipped */ yading@10: vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); yading@10: vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); yading@10: return; yading@10: } yading@10: if (s->mb_intra && !mb_has_coeffs) { yading@10: GET_MQUANT(); yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: s->ac_pred = get_bits1(gb); yading@10: cbp = 0; yading@10: vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); yading@10: } else { yading@10: if (bmvtype == BMV_TYPE_INTERPOLATED) { yading@10: GET_MVDATA(dmv_x[0], dmv_y[0]); yading@10: if (!mb_has_coeffs) { yading@10: /* interpolated skipped block */ yading@10: vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); yading@10: vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); yading@10: return; yading@10: } yading@10: } yading@10: vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); yading@10: if (!s->mb_intra) { yading@10: vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); yading@10: } yading@10: if (s->mb_intra) yading@10: s->ac_pred = get_bits1(gb); yading@10: cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: GET_MQUANT(); yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: if (!v->ttmbf && !s->mb_intra && mb_has_coeffs) yading@10: ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); yading@10: } yading@10: } yading@10: dst_idx = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); yading@10: v->mb_type[0][s->block_index[i]] = s->mb_intra; yading@10: if (s->mb_intra) { yading@10: /* check if prediction blocks A and C are available */ yading@10: v->a_avail = v->c_avail = 0; yading@10: if (i == 2 || i == 3 || !s->first_slice_line) yading@10: v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; yading@10: if (i == 1 || i == 3 || s->mb_x) yading@10: v->c_avail = v->mb_type[0][s->block_index[i] - 1]; yading@10: yading@10: vc1_decode_intra_block(v, s->block[i], i, val, mquant, yading@10: (i & 4) ? v->codingset2 : v->codingset); yading@10: if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) yading@10: continue; yading@10: v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); yading@10: if (v->rangeredfrm) yading@10: for (j = 0; j < 64; j++) yading@10: s->block[i][j] <<= 1; yading@10: s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); yading@10: } else if (val) { yading@10: vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, yading@10: first_block, s->dest[dst_idx] + off, yading@10: (i & 4) ? s->uvlinesize : s->linesize, yading@10: (i & 4) && (s->flags & CODEC_FLAG_GRAY), NULL); yading@10: if (!v->ttmbf && ttmb < 8) yading@10: ttmb = -1; yading@10: first_block = 0; yading@10: } yading@10: } yading@10: } yading@10: yading@10: /** Decode one B-frame MB (in interlaced field B picture) yading@10: */ yading@10: static void vc1_decode_b_mb_intfi(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: GetBitContext *gb = &s->gb; yading@10: int i, j; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: int cbp = 0; /* cbp decoding stuff */ yading@10: int mqdiff, mquant; /* MB quantization */ yading@10: int ttmb = v->ttfrm; /* MB Transform type */ yading@10: int mb_has_coeffs = 0; /* last_flag */ yading@10: int val; /* temp value */ yading@10: int first_block = 1; yading@10: int dst_idx, off; yading@10: int fwd; yading@10: int dmv_x[2], dmv_y[2], pred_flag[2]; yading@10: int bmvtype = BMV_TYPE_BACKWARD; yading@10: int idx_mbmode, interpmvp; yading@10: yading@10: mquant = v->pq; /* Lossy initialization */ yading@10: s->mb_intra = 0; yading@10: yading@10: idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2); yading@10: if (idx_mbmode <= 1) { // intra MB yading@10: s->mb_intra = v->is_intra[s->mb_x] = 1; yading@10: s->current_picture.motion_val[1][s->block_index[0]][0] = 0; yading@10: s->current_picture.motion_val[1][s->block_index[0]][1] = 0; yading@10: s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA; yading@10: GET_MQUANT(); yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: /* Set DC scale - y and c use the same (not sure if necessary here) */ yading@10: s->y_dc_scale = s->y_dc_scale_table[mquant]; yading@10: s->c_dc_scale = s->c_dc_scale_table[mquant]; yading@10: v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb); yading@10: mb_has_coeffs = idx_mbmode & 1; yading@10: if (mb_has_coeffs) yading@10: cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_ICBPCY_VLC_BITS, 2); yading@10: dst_idx = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: v->mb_type[0][s->block_index[i]] = s->mb_intra; yading@10: v->a_avail = v->c_avail = 0; yading@10: if (i == 2 || i == 3 || !s->first_slice_line) yading@10: v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; yading@10: if (i == 1 || i == 3 || s->mb_x) yading@10: v->c_avail = v->mb_type[0][s->block_index[i] - 1]; yading@10: yading@10: vc1_decode_intra_block(v, s->block[i], i, val, mquant, yading@10: (i & 4) ? v->codingset2 : v->codingset); yading@10: if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) yading@10: continue; yading@10: v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); yading@10: if (v->rangeredfrm) yading@10: for (j = 0; j < 64; j++) yading@10: s->block[i][j] <<= 1; yading@10: off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); yading@10: s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize); yading@10: // TODO: yet to perform loop filter yading@10: } yading@10: } else { yading@10: s->mb_intra = v->is_intra[s->mb_x] = 0; yading@10: s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_16x16; yading@10: for (i = 0; i < 6; i++) v->mb_type[0][s->block_index[i]] = 0; yading@10: if (v->fmb_is_raw) yading@10: fwd = v->forward_mb_plane[mb_pos] = get_bits1(gb); yading@10: else yading@10: fwd = v->forward_mb_plane[mb_pos]; yading@10: if (idx_mbmode <= 5) { // 1-MV yading@10: dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0; yading@10: pred_flag[0] = pred_flag[1] = 0; yading@10: if (fwd) yading@10: bmvtype = BMV_TYPE_FORWARD; yading@10: else { yading@10: bmvtype = decode012(gb); yading@10: switch (bmvtype) { yading@10: case 0: yading@10: bmvtype = BMV_TYPE_BACKWARD; yading@10: break; yading@10: case 1: yading@10: bmvtype = BMV_TYPE_DIRECT; yading@10: break; yading@10: case 2: yading@10: bmvtype = BMV_TYPE_INTERPOLATED; yading@10: interpmvp = get_bits1(gb); yading@10: } yading@10: } yading@10: v->bmvtype = bmvtype; yading@10: if (bmvtype != BMV_TYPE_DIRECT && idx_mbmode & 1) { yading@10: get_mvdata_interlaced(v, &dmv_x[bmvtype == BMV_TYPE_BACKWARD], &dmv_y[bmvtype == BMV_TYPE_BACKWARD], &pred_flag[bmvtype == BMV_TYPE_BACKWARD]); yading@10: } yading@10: if (bmvtype == BMV_TYPE_INTERPOLATED && interpmvp) { yading@10: get_mvdata_interlaced(v, &dmv_x[1], &dmv_y[1], &pred_flag[1]); yading@10: } yading@10: if (bmvtype == BMV_TYPE_DIRECT) { yading@10: dmv_x[0] = dmv_y[0] = pred_flag[0] = 0; yading@10: dmv_x[1] = dmv_y[1] = pred_flag[0] = 0; yading@10: } yading@10: vc1_pred_b_mv_intfi(v, 0, dmv_x, dmv_y, 1, pred_flag); yading@10: vc1_b_mc(v, dmv_x, dmv_y, (bmvtype == BMV_TYPE_DIRECT), bmvtype); yading@10: mb_has_coeffs = !(idx_mbmode & 2); yading@10: } else { // 4-MV yading@10: if (fwd) yading@10: bmvtype = BMV_TYPE_FORWARD; yading@10: v->bmvtype = bmvtype; yading@10: v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1); yading@10: for (i = 0; i < 6; i++) { yading@10: if (i < 4) { yading@10: dmv_x[0] = dmv_y[0] = pred_flag[0] = 0; yading@10: dmv_x[1] = dmv_y[1] = pred_flag[1] = 0; yading@10: val = ((v->fourmvbp >> (3 - i)) & 1); yading@10: if (val) { yading@10: get_mvdata_interlaced(v, &dmv_x[bmvtype == BMV_TYPE_BACKWARD], yading@10: &dmv_y[bmvtype == BMV_TYPE_BACKWARD], yading@10: &pred_flag[bmvtype == BMV_TYPE_BACKWARD]); yading@10: } yading@10: vc1_pred_b_mv_intfi(v, i, dmv_x, dmv_y, 0, pred_flag); yading@10: vc1_mc_4mv_luma(v, i, bmvtype == BMV_TYPE_BACKWARD, 0); yading@10: } else if (i == 4) yading@10: vc1_mc_4mv_chroma(v, bmvtype == BMV_TYPE_BACKWARD); yading@10: } yading@10: mb_has_coeffs = idx_mbmode & 1; yading@10: } yading@10: if (mb_has_coeffs) yading@10: cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: if (cbp) { yading@10: GET_MQUANT(); yading@10: } yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: if (!v->ttmbf && cbp) { yading@10: ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); yading@10: } yading@10: dst_idx = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->linesize; yading@10: if (val) { yading@10: vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, yading@10: first_block, s->dest[dst_idx] + off, yading@10: (i & 4) ? s->uvlinesize : s->linesize, yading@10: (i & 4) && (s->flags & CODEC_FLAG_GRAY), NULL); yading@10: if (!v->ttmbf && ttmb < 8) yading@10: ttmb = -1; yading@10: first_block = 0; yading@10: } yading@10: } yading@10: } yading@10: } yading@10: yading@10: /** Decode one B-frame MB (in interlaced frame B picture) yading@10: */ yading@10: static int vc1_decode_b_mb_intfr(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: GetBitContext *gb = &s->gb; yading@10: int i, j; yading@10: int mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: int cbp = 0; /* cbp decoding stuff */ yading@10: int mqdiff, mquant; /* MB quantization */ yading@10: int ttmb = v->ttfrm; /* MB Transform type */ yading@10: int mvsw = 0; /* motion vector switch */ yading@10: int mb_has_coeffs = 1; /* last_flag */ yading@10: int dmv_x, dmv_y; /* Differential MV components */ yading@10: int val; /* temp value */ yading@10: int first_block = 1; yading@10: int dst_idx, off; yading@10: int skipped, direct, twomv = 0; yading@10: int block_cbp = 0, pat, block_tt = 0; yading@10: int idx_mbmode = 0, mvbp; yading@10: int stride_y, fieldtx; yading@10: int bmvtype = BMV_TYPE_BACKWARD; yading@10: int dir, dir2; yading@10: yading@10: mquant = v->pq; /* Lossy initialization */ yading@10: s->mb_intra = 0; yading@10: if (v->skip_is_raw) yading@10: skipped = get_bits1(gb); yading@10: else yading@10: skipped = v->s.mbskip_table[mb_pos]; yading@10: yading@10: if (!skipped) { yading@10: idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 2); yading@10: if (ff_vc1_mbmode_intfrp[0][idx_mbmode][0] == MV_PMODE_INTFR_2MV_FIELD) yading@10: { yading@10: twomv = 1; yading@10: v->blk_mv_type[s->block_index[0]] = 1; yading@10: v->blk_mv_type[s->block_index[1]] = 1; yading@10: v->blk_mv_type[s->block_index[2]] = 1; yading@10: v->blk_mv_type[s->block_index[3]] = 1; yading@10: } else { yading@10: v->blk_mv_type[s->block_index[0]] = 0; yading@10: v->blk_mv_type[s->block_index[1]] = 0; yading@10: v->blk_mv_type[s->block_index[2]] = 0; yading@10: v->blk_mv_type[s->block_index[3]] = 0; yading@10: } yading@10: } yading@10: yading@10: if (v->dmb_is_raw) yading@10: direct = get_bits1(gb); yading@10: else yading@10: direct = v->direct_mb_plane[mb_pos]; yading@10: yading@10: if (direct) { yading@10: s->mv[0][0][0] = s->current_picture.motion_val[0][s->block_index[0]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][0], v->bfraction, 0, s->quarter_sample); yading@10: s->mv[0][0][1] = s->current_picture.motion_val[0][s->block_index[0]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][1], v->bfraction, 0, s->quarter_sample); yading@10: s->mv[1][0][0] = s->current_picture.motion_val[1][s->block_index[0]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][0], v->bfraction, 1, s->quarter_sample); yading@10: s->mv[1][0][1] = s->current_picture.motion_val[1][s->block_index[0]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][1], v->bfraction, 1, s->quarter_sample); yading@10: yading@10: if (twomv) { yading@10: s->mv[0][2][0] = s->current_picture.motion_val[0][s->block_index[2]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][0], v->bfraction, 0, s->quarter_sample); yading@10: s->mv[0][2][1] = s->current_picture.motion_val[0][s->block_index[2]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][1], v->bfraction, 0, s->quarter_sample); yading@10: s->mv[1][2][0] = s->current_picture.motion_val[1][s->block_index[2]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][0], v->bfraction, 1, s->quarter_sample); yading@10: s->mv[1][2][1] = s->current_picture.motion_val[1][s->block_index[2]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][1], v->bfraction, 1, s->quarter_sample); yading@10: yading@10: for (i = 1; i < 4; i+=2) { yading@10: s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0] = s->mv[0][i-1][0]; yading@10: s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1] = s->mv[0][i-1][1]; yading@10: s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = s->mv[1][i-1][0]; yading@10: s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = s->mv[1][i-1][1]; yading@10: } yading@10: } else { yading@10: for (i = 1; i < 4; i++) { yading@10: s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0] = s->mv[0][0][0]; yading@10: s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1] = s->mv[0][0][1]; yading@10: s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = s->mv[1][0][0]; yading@10: s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = s->mv[1][0][1]; yading@10: } yading@10: } yading@10: } yading@10: yading@10: if (ff_vc1_mbmode_intfrp[0][idx_mbmode][0] == MV_PMODE_INTFR_INTRA) { // intra MB yading@10: for (i = 0; i < 4; i++) { yading@10: s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0] = 0; yading@10: s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1] = 0; yading@10: s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = 0; yading@10: s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = 0; yading@10: } yading@10: s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA; yading@10: s->mb_intra = v->is_intra[s->mb_x] = 1; yading@10: for (i = 0; i < 6; i++) yading@10: v->mb_type[0][s->block_index[i]] = 1; yading@10: fieldtx = v->fieldtx_plane[mb_pos] = get_bits1(gb); yading@10: mb_has_coeffs = get_bits1(gb); yading@10: if (mb_has_coeffs) yading@10: cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb); yading@10: GET_MQUANT(); yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: /* Set DC scale - y and c use the same (not sure if necessary here) */ yading@10: s->y_dc_scale = s->y_dc_scale_table[mquant]; yading@10: s->c_dc_scale = s->c_dc_scale_table[mquant]; yading@10: dst_idx = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: v->mb_type[0][s->block_index[i]] = s->mb_intra; yading@10: v->a_avail = v->c_avail = 0; yading@10: if (i == 2 || i == 3 || !s->first_slice_line) yading@10: v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; yading@10: if (i == 1 || i == 3 || s->mb_x) yading@10: v->c_avail = v->mb_type[0][s->block_index[i] - 1]; yading@10: yading@10: vc1_decode_intra_block(v, s->block[i], i, val, mquant, yading@10: (i & 4) ? v->codingset2 : v->codingset); yading@10: if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue; yading@10: v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); yading@10: if (i < 4) { yading@10: stride_y = s->linesize << fieldtx; yading@10: off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->linesize : (i & 1) * 8 + 4 * (i & 2) * s->linesize; yading@10: } else { yading@10: stride_y = s->uvlinesize; yading@10: off = 0; yading@10: } yading@10: s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, stride_y); yading@10: } yading@10: } else { yading@10: s->mb_intra = v->is_intra[s->mb_x] = 0; yading@10: if (!direct) { yading@10: if (skipped || !s->mb_intra) { yading@10: bmvtype = decode012(gb); yading@10: switch (bmvtype) { yading@10: case 0: yading@10: bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_BACKWARD : BMV_TYPE_FORWARD; yading@10: break; yading@10: case 1: yading@10: bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_FORWARD : BMV_TYPE_BACKWARD; yading@10: break; yading@10: case 2: yading@10: bmvtype = BMV_TYPE_INTERPOLATED; yading@10: } yading@10: } yading@10: yading@10: if (twomv && bmvtype != BMV_TYPE_INTERPOLATED) yading@10: mvsw = get_bits1(gb); yading@10: } yading@10: yading@10: if (!skipped) { // inter MB yading@10: mb_has_coeffs = ff_vc1_mbmode_intfrp[0][idx_mbmode][3]; yading@10: if (mb_has_coeffs) yading@10: cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); yading@10: if (!direct) { yading@10: if (bmvtype == BMV_TYPE_INTERPOLATED & twomv) { yading@10: v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1); yading@10: } yading@10: else if (bmvtype == BMV_TYPE_INTERPOLATED | twomv) { yading@10: v->twomvbp = get_vlc2(gb, v->twomvbp_vlc->table, VC1_2MV_BLOCK_PATTERN_VLC_BITS, 1); yading@10: } yading@10: } yading@10: yading@10: for (i = 0; i < 6; i++) yading@10: v->mb_type[0][s->block_index[i]] = 0; yading@10: fieldtx = v->fieldtx_plane[mb_pos] = ff_vc1_mbmode_intfrp[0][idx_mbmode][1]; yading@10: /* for all motion vector read MVDATA and motion compensate each block */ yading@10: dst_idx = 0; yading@10: if (direct) { yading@10: if (twomv) { yading@10: for (i = 0; i < 4; i++) { yading@10: vc1_mc_4mv_luma(v, i, 0, 0); yading@10: vc1_mc_4mv_luma(v, i, 1, 1); yading@10: } yading@10: vc1_mc_4mv_chroma4(v); yading@10: } else { yading@10: vc1_mc_1mv(v, 0); yading@10: vc1_interp_mc(v); yading@10: } yading@10: } else if (twomv && bmvtype == BMV_TYPE_INTERPOLATED) { yading@10: mvbp = v->fourmvbp; yading@10: for (i = 0; i < 4; i++) { yading@10: dir = i==1 || i==3; yading@10: dmv_x = dmv_y = 0; yading@10: val = ((mvbp >> (3 - i)) & 1); yading@10: if (val) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: j = i > 1 ? 2 : 0; yading@10: vc1_pred_mv_intfr(v, j, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir); yading@10: vc1_mc_4mv_luma(v, j, dir, dir); yading@10: vc1_mc_4mv_luma(v, j+1, dir, dir); yading@10: } yading@10: yading@10: vc1_mc_4mv_chroma4(v); yading@10: } else if (bmvtype == BMV_TYPE_INTERPOLATED) { yading@10: mvbp = v->twomvbp; yading@10: dmv_x = dmv_y = 0; yading@10: if (mvbp & 2) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: yading@10: vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0); yading@10: vc1_mc_1mv(v, 0); yading@10: yading@10: dmv_x = dmv_y = 0; yading@10: if (mvbp & 1) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: yading@10: vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 1); yading@10: vc1_interp_mc(v); yading@10: } else if (twomv) { yading@10: dir = bmvtype == BMV_TYPE_BACKWARD; yading@10: dir2 = dir; yading@10: if (mvsw) yading@10: dir2 = !dir; yading@10: mvbp = v->twomvbp; yading@10: dmv_x = dmv_y = 0; yading@10: if (mvbp & 2) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir); yading@10: yading@10: dmv_x = dmv_y = 0; yading@10: if (mvbp & 1) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir2); yading@10: yading@10: if (mvsw) { yading@10: for (i = 0; i<2; i++) { yading@10: s->mv[dir][i+2][0] = s->mv[dir][i][0] = s->current_picture.motion_val[dir][s->block_index[i+2]][0] = s->current_picture.motion_val[dir][s->block_index[i]][0]; yading@10: s->mv[dir][i+2][1] = s->mv[dir][i][1] = s->current_picture.motion_val[dir][s->block_index[i+2]][1] = s->current_picture.motion_val[dir][s->block_index[i]][1]; yading@10: s->mv[dir2][i+2][0] = s->mv[dir2][i][0] = s->current_picture.motion_val[dir2][s->block_index[i]][0] = s->current_picture.motion_val[dir2][s->block_index[i+2]][0]; yading@10: s->mv[dir2][i+2][1] = s->mv[dir2][i][1] = s->current_picture.motion_val[dir2][s->block_index[i]][1] = s->current_picture.motion_val[dir2][s->block_index[i+2]][1]; yading@10: } yading@10: } else { yading@10: vc1_pred_mv_intfr(v, 0, 0, 0, 2, v->range_x, v->range_y, v->mb_type[0], !dir); yading@10: vc1_pred_mv_intfr(v, 2, 0, 0, 2, v->range_x, v->range_y, v->mb_type[0], !dir); yading@10: } yading@10: yading@10: vc1_mc_4mv_luma(v, 0, dir, 0); yading@10: vc1_mc_4mv_luma(v, 1, dir, 0); yading@10: vc1_mc_4mv_luma(v, 2, dir2, 0); yading@10: vc1_mc_4mv_luma(v, 3, dir2, 0); yading@10: vc1_mc_4mv_chroma4(v); yading@10: } else { yading@10: dir = bmvtype == BMV_TYPE_BACKWARD; yading@10: yading@10: mvbp = ff_vc1_mbmode_intfrp[0][idx_mbmode][2]; yading@10: dmv_x = dmv_y = 0; yading@10: if (mvbp) { yading@10: get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); yading@10: } yading@10: yading@10: vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], dir); yading@10: v->blk_mv_type[s->block_index[0]] = 1; yading@10: v->blk_mv_type[s->block_index[1]] = 1; yading@10: v->blk_mv_type[s->block_index[2]] = 1; yading@10: v->blk_mv_type[s->block_index[3]] = 1; yading@10: vc1_pred_mv_intfr(v, 0, 0, 0, 2, v->range_x, v->range_y, 0, !dir); yading@10: for (i = 0; i<2; i++) { yading@10: s->mv[!dir][i+2][0] = s->mv[!dir][i][0] = s->current_picture.motion_val[!dir][s->block_index[i+2]][0] = s->current_picture.motion_val[!dir][s->block_index[i]][0]; yading@10: s->mv[!dir][i+2][1] = s->mv[!dir][i][1] = s->current_picture.motion_val[!dir][s->block_index[i+2]][1] = s->current_picture.motion_val[!dir][s->block_index[i]][1]; yading@10: } yading@10: vc1_mc_1mv(v, dir); yading@10: } yading@10: yading@10: if (cbp) yading@10: GET_MQUANT(); // p. 227 yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: if (!v->ttmbf && cbp) yading@10: ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); yading@10: for (i = 0; i < 6; i++) { yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: dst_idx += i >> 2; yading@10: val = ((cbp >> (5 - i)) & 1); yading@10: if (!fieldtx) yading@10: off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); yading@10: else yading@10: off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->linesize)); yading@10: if (val) { yading@10: pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, yading@10: first_block, s->dest[dst_idx] + off, yading@10: (i & 4) ? s->uvlinesize : (s->linesize << fieldtx), yading@10: (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt); yading@10: block_cbp |= pat << (i << 2); yading@10: if (!v->ttmbf && ttmb < 8) yading@10: ttmb = -1; yading@10: first_block = 0; yading@10: } yading@10: } yading@10: yading@10: } else { // skipped yading@10: dir = 0; yading@10: for (i = 0; i < 6; i++) { yading@10: v->mb_type[0][s->block_index[i]] = 0; yading@10: s->dc_val[0][s->block_index[i]] = 0; yading@10: } yading@10: s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP; yading@10: s->current_picture.qscale_table[mb_pos] = 0; yading@10: v->blk_mv_type[s->block_index[0]] = 0; yading@10: v->blk_mv_type[s->block_index[1]] = 0; yading@10: v->blk_mv_type[s->block_index[2]] = 0; yading@10: v->blk_mv_type[s->block_index[3]] = 0; yading@10: yading@10: if (!direct) { yading@10: if (bmvtype == BMV_TYPE_INTERPOLATED) { yading@10: vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0); yading@10: vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 1); yading@10: } else { yading@10: dir = bmvtype == BMV_TYPE_BACKWARD; yading@10: vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], dir); yading@10: if (mvsw) { yading@10: int dir2 = dir; yading@10: if (mvsw) yading@10: dir2 = !dir; yading@10: for (i = 0; i<2; i++) { yading@10: s->mv[dir][i+2][0] = s->mv[dir][i][0] = s->current_picture.motion_val[dir][s->block_index[i+2]][0] = s->current_picture.motion_val[dir][s->block_index[i]][0]; yading@10: s->mv[dir][i+2][1] = s->mv[dir][i][1] = s->current_picture.motion_val[dir][s->block_index[i+2]][1] = s->current_picture.motion_val[dir][s->block_index[i]][1]; yading@10: s->mv[dir2][i+2][0] = s->mv[dir2][i][0] = s->current_picture.motion_val[dir2][s->block_index[i]][0] = s->current_picture.motion_val[dir2][s->block_index[i+2]][0]; yading@10: s->mv[dir2][i+2][1] = s->mv[dir2][i][1] = s->current_picture.motion_val[dir2][s->block_index[i]][1] = s->current_picture.motion_val[dir2][s->block_index[i+2]][1]; yading@10: } yading@10: } else { yading@10: v->blk_mv_type[s->block_index[0]] = 1; yading@10: v->blk_mv_type[s->block_index[1]] = 1; yading@10: v->blk_mv_type[s->block_index[2]] = 1; yading@10: v->blk_mv_type[s->block_index[3]] = 1; yading@10: vc1_pred_mv_intfr(v, 0, 0, 0, 2, v->range_x, v->range_y, 0, !dir); yading@10: for (i = 0; i<2; i++) { yading@10: s->mv[!dir][i+2][0] = s->mv[!dir][i][0] = s->current_picture.motion_val[!dir][s->block_index[i+2]][0] = s->current_picture.motion_val[!dir][s->block_index[i]][0]; yading@10: s->mv[!dir][i+2][1] = s->mv[!dir][i][1] = s->current_picture.motion_val[!dir][s->block_index[i+2]][1] = s->current_picture.motion_val[!dir][s->block_index[i]][1]; yading@10: } yading@10: } yading@10: } yading@10: } yading@10: yading@10: vc1_mc_1mv(v, dir); yading@10: if (direct || bmvtype == BMV_TYPE_INTERPOLATED) { yading@10: vc1_interp_mc(v); yading@10: } yading@10: } yading@10: } yading@10: if (s->mb_x == s->mb_width - 1) yading@10: memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0])*s->mb_stride); yading@10: v->cbp[s->mb_x] = block_cbp; yading@10: v->ttblk[s->mb_x] = block_tt; yading@10: return 0; yading@10: } yading@10: yading@10: /** Decode blocks of I-frame yading@10: */ yading@10: static void vc1_decode_i_blocks(VC1Context *v) yading@10: { yading@10: int k, j; yading@10: MpegEncContext *s = &v->s; yading@10: int cbp, val; yading@10: uint8_t *coded_val; yading@10: int mb_pos; yading@10: yading@10: /* select codingmode used for VLC tables selection */ yading@10: switch (v->y_ac_table_index) { yading@10: case 0: yading@10: v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA; yading@10: break; yading@10: case 1: yading@10: v->codingset = CS_HIGH_MOT_INTRA; yading@10: break; yading@10: case 2: yading@10: v->codingset = CS_MID_RATE_INTRA; yading@10: break; yading@10: } yading@10: yading@10: switch (v->c_ac_table_index) { yading@10: case 0: yading@10: v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER; yading@10: break; yading@10: case 1: yading@10: v->codingset2 = CS_HIGH_MOT_INTER; yading@10: break; yading@10: case 2: yading@10: v->codingset2 = CS_MID_RATE_INTER; yading@10: break; yading@10: } yading@10: yading@10: /* Set DC scale - y and c use the same */ yading@10: s->y_dc_scale = s->y_dc_scale_table[v->pq]; yading@10: s->c_dc_scale = s->c_dc_scale_table[v->pq]; yading@10: yading@10: //do frame decode yading@10: s->mb_x = s->mb_y = 0; yading@10: s->mb_intra = 1; yading@10: s->first_slice_line = 1; yading@10: for (s->mb_y = 0; s->mb_y < s->end_mb_y; s->mb_y++) { yading@10: s->mb_x = 0; yading@10: init_block_index(v); yading@10: for (; s->mb_x < v->end_mb_x; s->mb_x++) { yading@10: uint8_t *dst[6]; yading@10: ff_update_block_index(s); yading@10: dst[0] = s->dest[0]; yading@10: dst[1] = dst[0] + 8; yading@10: dst[2] = s->dest[0] + s->linesize * 8; yading@10: dst[3] = dst[2] + 8; yading@10: dst[4] = s->dest[1]; yading@10: dst[5] = s->dest[2]; yading@10: s->dsp.clear_blocks(s->block[0]); yading@10: mb_pos = s->mb_x + s->mb_y * s->mb_width; yading@10: s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA; yading@10: s->current_picture.qscale_table[mb_pos] = v->pq; yading@10: s->current_picture.motion_val[1][s->block_index[0]][0] = 0; yading@10: s->current_picture.motion_val[1][s->block_index[0]][1] = 0; yading@10: yading@10: // do actual MB decoding and displaying yading@10: cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2); yading@10: v->s.ac_pred = get_bits1(&v->s.gb); yading@10: yading@10: for (k = 0; k < 6; k++) { yading@10: val = ((cbp >> (5 - k)) & 1); yading@10: yading@10: if (k < 4) { yading@10: int pred = vc1_coded_block_pred(&v->s, k, &coded_val); yading@10: val = val ^ pred; yading@10: *coded_val = val; yading@10: } yading@10: cbp |= val << (5 - k); yading@10: yading@10: vc1_decode_i_block(v, s->block[k], k, val, (k < 4) ? v->codingset : v->codingset2); yading@10: yading@10: if (k > 3 && (s->flags & CODEC_FLAG_GRAY)) yading@10: continue; yading@10: v->vc1dsp.vc1_inv_trans_8x8(s->block[k]); yading@10: if (v->pq >= 9 && v->overlap) { yading@10: if (v->rangeredfrm) yading@10: for (j = 0; j < 64; j++) yading@10: s->block[k][j] <<= 1; yading@10: s->dsp.put_signed_pixels_clamped(s->block[k], dst[k], k & 4 ? s->uvlinesize : s->linesize); yading@10: } else { yading@10: if (v->rangeredfrm) yading@10: for (j = 0; j < 64; j++) yading@10: s->block[k][j] = (s->block[k][j] - 64) << 1; yading@10: s->dsp.put_pixels_clamped(s->block[k], dst[k], k & 4 ? s->uvlinesize : s->linesize); yading@10: } yading@10: } yading@10: yading@10: if (v->pq >= 9 && v->overlap) { yading@10: if (s->mb_x) { yading@10: v->vc1dsp.vc1_h_overlap(s->dest[0], s->linesize); yading@10: v->vc1dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize, s->linesize); yading@10: if (!(s->flags & CODEC_FLAG_GRAY)) { yading@10: v->vc1dsp.vc1_h_overlap(s->dest[1], s->uvlinesize); yading@10: v->vc1dsp.vc1_h_overlap(s->dest[2], s->uvlinesize); yading@10: } yading@10: } yading@10: v->vc1dsp.vc1_h_overlap(s->dest[0] + 8, s->linesize); yading@10: v->vc1dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize); yading@10: if (!s->first_slice_line) { yading@10: v->vc1dsp.vc1_v_overlap(s->dest[0], s->linesize); yading@10: v->vc1dsp.vc1_v_overlap(s->dest[0] + 8, s->linesize); yading@10: if (!(s->flags & CODEC_FLAG_GRAY)) { yading@10: v->vc1dsp.vc1_v_overlap(s->dest[1], s->uvlinesize); yading@10: v->vc1dsp.vc1_v_overlap(s->dest[2], s->uvlinesize); yading@10: } yading@10: } yading@10: v->vc1dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize, s->linesize); yading@10: v->vc1dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize); yading@10: } yading@10: if (v->s.loop_filter) vc1_loop_filter_iblk(v, v->pq); yading@10: yading@10: if (get_bits_count(&s->gb) > v->bits) { yading@10: ff_er_add_slice(&s->er, 0, 0, s->mb_x, s->mb_y, ER_MB_ERROR); yading@10: av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i\n", yading@10: get_bits_count(&s->gb), v->bits); yading@10: return; yading@10: } yading@10: } yading@10: if (!v->s.loop_filter) yading@10: ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16); yading@10: else if (s->mb_y) yading@10: ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16); yading@10: yading@10: s->first_slice_line = 0; yading@10: } yading@10: if (v->s.loop_filter) yading@10: ff_mpeg_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16); yading@10: yading@10: /* This is intentionally mb_height and not end_mb_y - unlike in advanced yading@10: * profile, these only differ are when decoding MSS2 rectangles. */ yading@10: ff_er_add_slice(&s->er, 0, 0, s->mb_width - 1, s->mb_height - 1, ER_MB_END); yading@10: } yading@10: yading@10: /** Decode blocks of I-frame for advanced profile yading@10: */ yading@10: static void vc1_decode_i_blocks_adv(VC1Context *v) yading@10: { yading@10: int k; yading@10: MpegEncContext *s = &v->s; yading@10: int cbp, val; yading@10: uint8_t *coded_val; yading@10: int mb_pos; yading@10: int mquant = v->pq; yading@10: int mqdiff; yading@10: GetBitContext *gb = &s->gb; yading@10: yading@10: /* select codingmode used for VLC tables selection */ yading@10: switch (v->y_ac_table_index) { yading@10: case 0: yading@10: v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA; yading@10: break; yading@10: case 1: yading@10: v->codingset = CS_HIGH_MOT_INTRA; yading@10: break; yading@10: case 2: yading@10: v->codingset = CS_MID_RATE_INTRA; yading@10: break; yading@10: } yading@10: yading@10: switch (v->c_ac_table_index) { yading@10: case 0: yading@10: v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER; yading@10: break; yading@10: case 1: yading@10: v->codingset2 = CS_HIGH_MOT_INTER; yading@10: break; yading@10: case 2: yading@10: v->codingset2 = CS_MID_RATE_INTER; yading@10: break; yading@10: } yading@10: yading@10: // do frame decode yading@10: s->mb_x = s->mb_y = 0; yading@10: s->mb_intra = 1; yading@10: s->first_slice_line = 1; yading@10: s->mb_y = s->start_mb_y; yading@10: if (s->start_mb_y) { yading@10: s->mb_x = 0; yading@10: init_block_index(v); yading@10: memset(&s->coded_block[s->block_index[0] - s->b8_stride], 0, yading@10: (1 + s->b8_stride) * sizeof(*s->coded_block)); yading@10: } yading@10: for (; s->mb_y < s->end_mb_y; s->mb_y++) { yading@10: s->mb_x = 0; yading@10: init_block_index(v); yading@10: for (;s->mb_x < s->mb_width; s->mb_x++) { yading@10: int16_t (*block)[64] = v->block[v->cur_blk_idx]; yading@10: ff_update_block_index(s); yading@10: s->dsp.clear_blocks(block[0]); yading@10: mb_pos = s->mb_x + s->mb_y * s->mb_stride; yading@10: s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA; yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0; yading@10: s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0; yading@10: yading@10: // do actual MB decoding and displaying yading@10: if (v->fieldtx_is_raw) yading@10: v->fieldtx_plane[mb_pos] = get_bits1(&v->s.gb); yading@10: cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2); yading@10: if ( v->acpred_is_raw) yading@10: v->s.ac_pred = get_bits1(&v->s.gb); yading@10: else yading@10: v->s.ac_pred = v->acpred_plane[mb_pos]; yading@10: yading@10: if (v->condover == CONDOVER_SELECT && v->overflg_is_raw) yading@10: v->over_flags_plane[mb_pos] = get_bits1(&v->s.gb); yading@10: yading@10: GET_MQUANT(); yading@10: yading@10: s->current_picture.qscale_table[mb_pos] = mquant; yading@10: /* Set DC scale - y and c use the same */ yading@10: s->y_dc_scale = s->y_dc_scale_table[mquant]; yading@10: s->c_dc_scale = s->c_dc_scale_table[mquant]; yading@10: yading@10: for (k = 0; k < 6; k++) { yading@10: val = ((cbp >> (5 - k)) & 1); yading@10: yading@10: if (k < 4) { yading@10: int pred = vc1_coded_block_pred(&v->s, k, &coded_val); yading@10: val = val ^ pred; yading@10: *coded_val = val; yading@10: } yading@10: cbp |= val << (5 - k); yading@10: yading@10: v->a_avail = !s->first_slice_line || (k == 2 || k == 3); yading@10: v->c_avail = !!s->mb_x || (k == 1 || k == 3); yading@10: yading@10: vc1_decode_i_block_adv(v, block[k], k, val, yading@10: (k < 4) ? v->codingset : v->codingset2, mquant); yading@10: yading@10: if (k > 3 && (s->flags & CODEC_FLAG_GRAY)) yading@10: continue; yading@10: v->vc1dsp.vc1_inv_trans_8x8(block[k]); yading@10: } yading@10: yading@10: vc1_smooth_overlap_filter_iblk(v); yading@10: vc1_put_signed_blocks_clamped(v); yading@10: if (v->s.loop_filter) vc1_loop_filter_iblk_delayed(v, v->pq); yading@10: yading@10: if (get_bits_count(&s->gb) > v->bits) { yading@10: // TODO: may need modification to handle slice coding yading@10: ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR); yading@10: av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i\n", yading@10: get_bits_count(&s->gb), v->bits); yading@10: return; yading@10: } yading@10: } yading@10: if (!v->s.loop_filter) yading@10: ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16); yading@10: else if (s->mb_y) yading@10: ff_mpeg_draw_horiz_band(s, (s->mb_y-1) * 16, 16); yading@10: s->first_slice_line = 0; yading@10: } yading@10: yading@10: /* raw bottom MB row */ yading@10: s->mb_x = 0; yading@10: init_block_index(v); yading@10: yading@10: for (;s->mb_x < s->mb_width; s->mb_x++) { yading@10: ff_update_block_index(s); yading@10: vc1_put_signed_blocks_clamped(v); yading@10: if (v->s.loop_filter) yading@10: vc1_loop_filter_iblk_delayed(v, v->pq); yading@10: } yading@10: if (v->s.loop_filter) yading@10: ff_mpeg_draw_horiz_band(s, (s->end_mb_y-1)*16, 16); yading@10: ff_er_add_slice(&s->er, 0, s->start_mb_y << v->field_mode, s->mb_width - 1, yading@10: (s->end_mb_y << v->field_mode) - 1, ER_MB_END); yading@10: } yading@10: yading@10: static void vc1_decode_p_blocks(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int apply_loop_filter; yading@10: yading@10: /* select codingmode used for VLC tables selection */ yading@10: switch (v->c_ac_table_index) { yading@10: case 0: yading@10: v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA; yading@10: break; yading@10: case 1: yading@10: v->codingset = CS_HIGH_MOT_INTRA; yading@10: break; yading@10: case 2: yading@10: v->codingset = CS_MID_RATE_INTRA; yading@10: break; yading@10: } yading@10: yading@10: switch (v->c_ac_table_index) { yading@10: case 0: yading@10: v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER; yading@10: break; yading@10: case 1: yading@10: v->codingset2 = CS_HIGH_MOT_INTER; yading@10: break; yading@10: case 2: yading@10: v->codingset2 = CS_MID_RATE_INTER; yading@10: break; yading@10: } yading@10: yading@10: apply_loop_filter = s->loop_filter && !(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY); yading@10: s->first_slice_line = 1; yading@10: memset(v->cbp_base, 0, sizeof(v->cbp_base[0])*2*s->mb_stride); yading@10: for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { yading@10: s->mb_x = 0; yading@10: init_block_index(v); yading@10: for (; s->mb_x < s->mb_width; s->mb_x++) { yading@10: ff_update_block_index(s); yading@10: yading@10: if (v->fcm == ILACE_FIELD) yading@10: vc1_decode_p_mb_intfi(v); yading@10: else if (v->fcm == ILACE_FRAME) yading@10: vc1_decode_p_mb_intfr(v); yading@10: else vc1_decode_p_mb(v); yading@10: if (s->mb_y != s->start_mb_y && apply_loop_filter && v->fcm == PROGRESSIVE) yading@10: vc1_apply_p_loop_filter(v); yading@10: if (get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) { yading@10: // TODO: may need modification to handle slice coding yading@10: ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR); yading@10: av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i at %ix%i\n", yading@10: get_bits_count(&s->gb), v->bits, s->mb_x, s->mb_y); yading@10: return; yading@10: } yading@10: } yading@10: memmove(v->cbp_base, v->cbp, sizeof(v->cbp_base[0]) * s->mb_stride); yading@10: memmove(v->ttblk_base, v->ttblk, sizeof(v->ttblk_base[0]) * s->mb_stride); yading@10: memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0]) * s->mb_stride); yading@10: memmove(v->luma_mv_base, v->luma_mv, sizeof(v->luma_mv_base[0]) * s->mb_stride); yading@10: if (s->mb_y != s->start_mb_y) ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16); yading@10: s->first_slice_line = 0; yading@10: } yading@10: if (apply_loop_filter && v->fcm == PROGRESSIVE) { yading@10: s->mb_x = 0; yading@10: init_block_index(v); yading@10: for (; s->mb_x < s->mb_width; s->mb_x++) { yading@10: ff_update_block_index(s); yading@10: vc1_apply_p_loop_filter(v); yading@10: } yading@10: } yading@10: if (s->end_mb_y >= s->start_mb_y) yading@10: ff_mpeg_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16); yading@10: ff_er_add_slice(&s->er, 0, s->start_mb_y << v->field_mode, s->mb_width - 1, yading@10: (s->end_mb_y << v->field_mode) - 1, ER_MB_END); yading@10: } yading@10: yading@10: static void vc1_decode_b_blocks(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: yading@10: /* select codingmode used for VLC tables selection */ yading@10: switch (v->c_ac_table_index) { yading@10: case 0: yading@10: v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA; yading@10: break; yading@10: case 1: yading@10: v->codingset = CS_HIGH_MOT_INTRA; yading@10: break; yading@10: case 2: yading@10: v->codingset = CS_MID_RATE_INTRA; yading@10: break; yading@10: } yading@10: yading@10: switch (v->c_ac_table_index) { yading@10: case 0: yading@10: v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER; yading@10: break; yading@10: case 1: yading@10: v->codingset2 = CS_HIGH_MOT_INTER; yading@10: break; yading@10: case 2: yading@10: v->codingset2 = CS_MID_RATE_INTER; yading@10: break; yading@10: } yading@10: yading@10: s->first_slice_line = 1; yading@10: for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { yading@10: s->mb_x = 0; yading@10: init_block_index(v); yading@10: for (; s->mb_x < s->mb_width; s->mb_x++) { yading@10: ff_update_block_index(s); yading@10: yading@10: if (v->fcm == ILACE_FIELD) yading@10: vc1_decode_b_mb_intfi(v); yading@10: else if (v->fcm == ILACE_FRAME) yading@10: vc1_decode_b_mb_intfr(v); yading@10: else yading@10: vc1_decode_b_mb(v); yading@10: if (get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) { yading@10: // TODO: may need modification to handle slice coding yading@10: ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR); yading@10: av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i at %ix%i\n", yading@10: get_bits_count(&s->gb), v->bits, s->mb_x, s->mb_y); yading@10: return; yading@10: } yading@10: if (v->s.loop_filter) vc1_loop_filter_iblk(v, v->pq); yading@10: } yading@10: if (!v->s.loop_filter) yading@10: ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16); yading@10: else if (s->mb_y) yading@10: ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16); yading@10: s->first_slice_line = 0; yading@10: } yading@10: if (v->s.loop_filter) yading@10: ff_mpeg_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16); yading@10: ff_er_add_slice(&s->er, 0, s->start_mb_y << v->field_mode, s->mb_width - 1, yading@10: (s->end_mb_y << v->field_mode) - 1, ER_MB_END); yading@10: } yading@10: yading@10: static void vc1_decode_skip_blocks(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: yading@10: ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, ER_MB_END); yading@10: s->first_slice_line = 1; yading@10: for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { yading@10: s->mb_x = 0; yading@10: init_block_index(v); yading@10: ff_update_block_index(s); yading@10: if (s->last_picture.f.data[0]) { yading@10: memcpy(s->dest[0], s->last_picture.f.data[0] + s->mb_y * 16 * s->linesize, s->linesize * 16); yading@10: memcpy(s->dest[1], s->last_picture.f.data[1] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8); yading@10: memcpy(s->dest[2], s->last_picture.f.data[2] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8); yading@10: } yading@10: ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16); yading@10: s->first_slice_line = 0; yading@10: } yading@10: s->pict_type = AV_PICTURE_TYPE_P; yading@10: } yading@10: yading@10: void ff_vc1_decode_blocks(VC1Context *v) yading@10: { yading@10: yading@10: v->s.esc3_level_length = 0; yading@10: if (v->x8_type) { yading@10: ff_intrax8_decode_picture(&v->x8, 2*v->pq + v->halfpq, v->pq * !v->pquantizer); yading@10: } else { yading@10: v->cur_blk_idx = 0; yading@10: v->left_blk_idx = -1; yading@10: v->topleft_blk_idx = 1; yading@10: v->top_blk_idx = 2; yading@10: switch (v->s.pict_type) { yading@10: case AV_PICTURE_TYPE_I: yading@10: if (v->profile == PROFILE_ADVANCED) yading@10: vc1_decode_i_blocks_adv(v); yading@10: else yading@10: vc1_decode_i_blocks(v); yading@10: break; yading@10: case AV_PICTURE_TYPE_P: yading@10: if (v->p_frame_skipped) yading@10: vc1_decode_skip_blocks(v); yading@10: else yading@10: vc1_decode_p_blocks(v); yading@10: break; yading@10: case AV_PICTURE_TYPE_B: yading@10: if (v->bi_type) { yading@10: if (v->profile == PROFILE_ADVANCED) yading@10: vc1_decode_i_blocks_adv(v); yading@10: else yading@10: vc1_decode_i_blocks(v); yading@10: } else yading@10: vc1_decode_b_blocks(v); yading@10: break; yading@10: } yading@10: } yading@10: } yading@10: yading@10: #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER yading@10: yading@10: typedef struct { yading@10: /** yading@10: * Transform coefficients for both sprites in 16.16 fixed point format, yading@10: * in the order they appear in the bitstream: yading@10: * x scale yading@10: * rotation 1 (unused) yading@10: * x offset yading@10: * rotation 2 (unused) yading@10: * y scale yading@10: * y offset yading@10: * alpha yading@10: */ yading@10: int coefs[2][7]; yading@10: yading@10: int effect_type, effect_flag; yading@10: int effect_pcount1, effect_pcount2; ///< amount of effect parameters stored in effect_params yading@10: int effect_params1[15], effect_params2[10]; ///< effect parameters in 16.16 fixed point format yading@10: } SpriteData; yading@10: yading@10: static inline int get_fp_val(GetBitContext* gb) yading@10: { yading@10: return (get_bits_long(gb, 30) - (1 << 29)) << 1; yading@10: } yading@10: yading@10: static void vc1_sprite_parse_transform(GetBitContext* gb, int c[7]) yading@10: { yading@10: c[1] = c[3] = 0; yading@10: yading@10: switch (get_bits(gb, 2)) { yading@10: case 0: yading@10: c[0] = 1 << 16; yading@10: c[2] = get_fp_val(gb); yading@10: c[4] = 1 << 16; yading@10: break; yading@10: case 1: yading@10: c[0] = c[4] = get_fp_val(gb); yading@10: c[2] = get_fp_val(gb); yading@10: break; yading@10: case 2: yading@10: c[0] = get_fp_val(gb); yading@10: c[2] = get_fp_val(gb); yading@10: c[4] = get_fp_val(gb); yading@10: break; yading@10: case 3: yading@10: c[0] = get_fp_val(gb); yading@10: c[1] = get_fp_val(gb); yading@10: c[2] = get_fp_val(gb); yading@10: c[3] = get_fp_val(gb); yading@10: c[4] = get_fp_val(gb); yading@10: break; yading@10: } yading@10: c[5] = get_fp_val(gb); yading@10: if (get_bits1(gb)) yading@10: c[6] = get_fp_val(gb); yading@10: else yading@10: c[6] = 1 << 16; yading@10: } yading@10: yading@10: static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd) yading@10: { yading@10: AVCodecContext *avctx = v->s.avctx; yading@10: int sprite, i; yading@10: yading@10: for (sprite = 0; sprite <= v->two_sprites; sprite++) { yading@10: vc1_sprite_parse_transform(gb, sd->coefs[sprite]); yading@10: if (sd->coefs[sprite][1] || sd->coefs[sprite][3]) yading@10: avpriv_request_sample(avctx, "Non-zero rotation coefficients"); yading@10: av_log(avctx, AV_LOG_DEBUG, sprite ? "S2:" : "S1:"); yading@10: for (i = 0; i < 7; i++) yading@10: av_log(avctx, AV_LOG_DEBUG, " %d.%.3d", yading@10: sd->coefs[sprite][i] / (1<<16), yading@10: (abs(sd->coefs[sprite][i]) & 0xFFFF) * 1000 / (1 << 16)); yading@10: av_log(avctx, AV_LOG_DEBUG, "\n"); yading@10: } yading@10: yading@10: skip_bits(gb, 2); yading@10: if (sd->effect_type = get_bits_long(gb, 30)) { yading@10: switch (sd->effect_pcount1 = get_bits(gb, 4)) { yading@10: case 7: yading@10: vc1_sprite_parse_transform(gb, sd->effect_params1); yading@10: break; yading@10: case 14: yading@10: vc1_sprite_parse_transform(gb, sd->effect_params1); yading@10: vc1_sprite_parse_transform(gb, sd->effect_params1 + 7); yading@10: break; yading@10: default: yading@10: for (i = 0; i < sd->effect_pcount1; i++) yading@10: sd->effect_params1[i] = get_fp_val(gb); yading@10: } yading@10: if (sd->effect_type != 13 || sd->effect_params1[0] != sd->coefs[0][6]) { yading@10: // effect 13 is simple alpha blending and matches the opacity above yading@10: av_log(avctx, AV_LOG_DEBUG, "Effect: %d; params: ", sd->effect_type); yading@10: for (i = 0; i < sd->effect_pcount1; i++) yading@10: av_log(avctx, AV_LOG_DEBUG, " %d.%.2d", yading@10: sd->effect_params1[i] / (1 << 16), yading@10: (abs(sd->effect_params1[i]) & 0xFFFF) * 1000 / (1 << 16)); yading@10: av_log(avctx, AV_LOG_DEBUG, "\n"); yading@10: } yading@10: yading@10: sd->effect_pcount2 = get_bits(gb, 16); yading@10: if (sd->effect_pcount2 > 10) { yading@10: av_log(avctx, AV_LOG_ERROR, "Too many effect parameters\n"); yading@10: return; yading@10: } else if (sd->effect_pcount2) { yading@10: i = -1; yading@10: av_log(avctx, AV_LOG_DEBUG, "Effect params 2: "); yading@10: while (++i < sd->effect_pcount2) { yading@10: sd->effect_params2[i] = get_fp_val(gb); yading@10: av_log(avctx, AV_LOG_DEBUG, " %d.%.2d", yading@10: sd->effect_params2[i] / (1 << 16), yading@10: (abs(sd->effect_params2[i]) & 0xFFFF) * 1000 / (1 << 16)); yading@10: } yading@10: av_log(avctx, AV_LOG_DEBUG, "\n"); yading@10: } yading@10: } yading@10: if (sd->effect_flag = get_bits1(gb)) yading@10: av_log(avctx, AV_LOG_DEBUG, "Effect flag set\n"); yading@10: yading@10: if (get_bits_count(gb) >= gb->size_in_bits + yading@10: (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE ? 64 : 0)) yading@10: av_log(avctx, AV_LOG_ERROR, "Buffer overrun\n"); yading@10: if (get_bits_count(gb) < gb->size_in_bits - 8) yading@10: av_log(avctx, AV_LOG_WARNING, "Buffer not fully read\n"); yading@10: } yading@10: yading@10: static void vc1_draw_sprites(VC1Context *v, SpriteData* sd) yading@10: { yading@10: int i, plane, row, sprite; yading@10: int sr_cache[2][2] = { { -1, -1 }, { -1, -1 } }; yading@10: uint8_t* src_h[2][2]; yading@10: int xoff[2], xadv[2], yoff[2], yadv[2], alpha; yading@10: int ysub[2]; yading@10: MpegEncContext *s = &v->s; yading@10: yading@10: for (i = 0; i < 2; i++) { yading@10: xoff[i] = av_clip(sd->coefs[i][2], 0, v->sprite_width-1 << 16); yading@10: xadv[i] = sd->coefs[i][0]; yading@10: if (xadv[i] != 1<<16 || (v->sprite_width << 16) - (v->output_width << 16) - xoff[i]) yading@10: xadv[i] = av_clip(xadv[i], 0, ((v->sprite_width<<16) - xoff[i] - 1) / v->output_width); yading@10: yading@10: yoff[i] = av_clip(sd->coefs[i][5], 0, v->sprite_height-1 << 16); yading@10: yadv[i] = av_clip(sd->coefs[i][4], 0, ((v->sprite_height << 16) - yoff[i]) / v->output_height); yading@10: } yading@10: alpha = av_clip(sd->coefs[1][6], 0, (1<<16) - 1); yading@10: yading@10: for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) { yading@10: int width = v->output_width>>!!plane; yading@10: yading@10: for (row = 0; row < v->output_height>>!!plane; row++) { yading@10: uint8_t *dst = v->sprite_output_frame.data[plane] + yading@10: v->sprite_output_frame.linesize[plane] * row; yading@10: yading@10: for (sprite = 0; sprite <= v->two_sprites; sprite++) { yading@10: uint8_t *iplane = s->current_picture.f.data[plane]; yading@10: int iline = s->current_picture.f.linesize[plane]; yading@10: int ycoord = yoff[sprite] + yadv[sprite] * row; yading@10: int yline = ycoord >> 16; yading@10: int next_line; yading@10: ysub[sprite] = ycoord & 0xFFFF; yading@10: if (sprite) { yading@10: iplane = s->last_picture.f.data[plane]; yading@10: iline = s->last_picture.f.linesize[plane]; yading@10: } yading@10: next_line = FFMIN(yline + 1, (v->sprite_height >> !!plane) - 1) * iline; yading@10: if (!(xoff[sprite] & 0xFFFF) && xadv[sprite] == 1 << 16) { yading@10: src_h[sprite][0] = iplane + (xoff[sprite] >> 16) + yline * iline; yading@10: if (ysub[sprite]) yading@10: src_h[sprite][1] = iplane + (xoff[sprite] >> 16) + next_line; yading@10: } else { yading@10: if (sr_cache[sprite][0] != yline) { yading@10: if (sr_cache[sprite][1] == yline) { yading@10: FFSWAP(uint8_t*, v->sr_rows[sprite][0], v->sr_rows[sprite][1]); yading@10: FFSWAP(int, sr_cache[sprite][0], sr_cache[sprite][1]); yading@10: } else { yading@10: v->vc1dsp.sprite_h(v->sr_rows[sprite][0], iplane + yline * iline, xoff[sprite], xadv[sprite], width); yading@10: sr_cache[sprite][0] = yline; yading@10: } yading@10: } yading@10: if (ysub[sprite] && sr_cache[sprite][1] != yline + 1) { yading@10: v->vc1dsp.sprite_h(v->sr_rows[sprite][1], yading@10: iplane + next_line, xoff[sprite], yading@10: xadv[sprite], width); yading@10: sr_cache[sprite][1] = yline + 1; yading@10: } yading@10: src_h[sprite][0] = v->sr_rows[sprite][0]; yading@10: src_h[sprite][1] = v->sr_rows[sprite][1]; yading@10: } yading@10: } yading@10: yading@10: if (!v->two_sprites) { yading@10: if (ysub[0]) { yading@10: v->vc1dsp.sprite_v_single(dst, src_h[0][0], src_h[0][1], ysub[0], width); yading@10: } else { yading@10: memcpy(dst, src_h[0][0], width); yading@10: } yading@10: } else { yading@10: if (ysub[0] && ysub[1]) { yading@10: v->vc1dsp.sprite_v_double_twoscale(dst, src_h[0][0], src_h[0][1], ysub[0], yading@10: src_h[1][0], src_h[1][1], ysub[1], alpha, width); yading@10: } else if (ysub[0]) { yading@10: v->vc1dsp.sprite_v_double_onescale(dst, src_h[0][0], src_h[0][1], ysub[0], yading@10: src_h[1][0], alpha, width); yading@10: } else if (ysub[1]) { yading@10: v->vc1dsp.sprite_v_double_onescale(dst, src_h[1][0], src_h[1][1], ysub[1], yading@10: src_h[0][0], (1<<16)-1-alpha, width); yading@10: } else { yading@10: v->vc1dsp.sprite_v_double_noscale(dst, src_h[0][0], src_h[1][0], alpha, width); yading@10: } yading@10: } yading@10: } yading@10: yading@10: if (!plane) { yading@10: for (i = 0; i < 2; i++) { yading@10: xoff[i] >>= 1; yading@10: yoff[i] >>= 1; yading@10: } yading@10: } yading@10: yading@10: } yading@10: } yading@10: yading@10: yading@10: static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb) yading@10: { yading@10: int ret; yading@10: MpegEncContext *s = &v->s; yading@10: AVCodecContext *avctx = s->avctx; yading@10: SpriteData sd; yading@10: yading@10: vc1_parse_sprites(v, gb, &sd); yading@10: yading@10: if (!s->current_picture.f.data[0]) { yading@10: av_log(avctx, AV_LOG_ERROR, "Got no sprites\n"); yading@10: return -1; yading@10: } yading@10: yading@10: if (v->two_sprites && (!s->last_picture_ptr || !s->last_picture.f.data[0])) { yading@10: av_log(avctx, AV_LOG_WARNING, "Need two sprites, only got one\n"); yading@10: v->two_sprites = 0; yading@10: } yading@10: yading@10: av_frame_unref(&v->sprite_output_frame); yading@10: if ((ret = ff_get_buffer(avctx, &v->sprite_output_frame, 0)) < 0) yading@10: return ret; yading@10: yading@10: vc1_draw_sprites(v, &sd); yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: static void vc1_sprite_flush(AVCodecContext *avctx) yading@10: { yading@10: VC1Context *v = avctx->priv_data; yading@10: MpegEncContext *s = &v->s; yading@10: AVFrame *f = &s->current_picture.f; yading@10: int plane, i; yading@10: yading@10: /* Windows Media Image codecs have a convergence interval of two keyframes. yading@10: Since we can't enforce it, clear to black the missing sprite. This is yading@10: wrong but it looks better than doing nothing. */ yading@10: yading@10: if (f->data[0]) yading@10: for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) yading@10: for (i = 0; i < v->sprite_height>>!!plane; i++) yading@10: memset(f->data[plane] + i * f->linesize[plane], yading@10: plane ? 128 : 0, f->linesize[plane]); yading@10: } yading@10: yading@10: #endif yading@10: yading@10: av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v) yading@10: { yading@10: MpegEncContext *s = &v->s; yading@10: int i; yading@10: yading@10: /* Allocate mb bitplanes */ yading@10: v->mv_type_mb_plane = av_malloc (s->mb_stride * s->mb_height); yading@10: v->direct_mb_plane = av_malloc (s->mb_stride * s->mb_height); yading@10: v->forward_mb_plane = av_malloc (s->mb_stride * s->mb_height); yading@10: v->fieldtx_plane = av_mallocz(s->mb_stride * s->mb_height); yading@10: v->acpred_plane = av_malloc (s->mb_stride * s->mb_height); yading@10: v->over_flags_plane = av_malloc (s->mb_stride * s->mb_height); yading@10: yading@10: v->n_allocated_blks = s->mb_width + 2; yading@10: v->block = av_malloc(sizeof(*v->block) * v->n_allocated_blks); yading@10: v->cbp_base = av_malloc(sizeof(v->cbp_base[0]) * 2 * s->mb_stride); yading@10: v->cbp = v->cbp_base + s->mb_stride; yading@10: v->ttblk_base = av_malloc(sizeof(v->ttblk_base[0]) * 2 * s->mb_stride); yading@10: v->ttblk = v->ttblk_base + s->mb_stride; yading@10: v->is_intra_base = av_mallocz(sizeof(v->is_intra_base[0]) * 2 * s->mb_stride); yading@10: v->is_intra = v->is_intra_base + s->mb_stride; yading@10: v->luma_mv_base = av_malloc(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride); yading@10: v->luma_mv = v->luma_mv_base + s->mb_stride; yading@10: yading@10: /* allocate block type info in that way so it could be used with s->block_index[] */ yading@10: v->mb_type_base = av_malloc(s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2); yading@10: v->mb_type[0] = v->mb_type_base + s->b8_stride + 1; yading@10: v->mb_type[1] = v->mb_type_base + s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride + 1; yading@10: v->mb_type[2] = v->mb_type[1] + s->mb_stride * (s->mb_height + 1); yading@10: yading@10: /* allocate memory to store block level MV info */ yading@10: v->blk_mv_type_base = av_mallocz( s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2); yading@10: v->blk_mv_type = v->blk_mv_type_base + s->b8_stride + 1; yading@10: v->mv_f_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2)); yading@10: v->mv_f[0] = v->mv_f_base + s->b8_stride + 1; yading@10: v->mv_f[1] = v->mv_f[0] + (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2); yading@10: v->mv_f_last_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2)); yading@10: v->mv_f_last[0] = v->mv_f_last_base + s->b8_stride + 1; yading@10: v->mv_f_last[1] = v->mv_f_last[0] + (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2); yading@10: v->mv_f_next_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2)); yading@10: v->mv_f_next[0] = v->mv_f_next_base + s->b8_stride + 1; yading@10: v->mv_f_next[1] = v->mv_f_next[0] + (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2); yading@10: yading@10: /* Init coded blocks info */ yading@10: if (v->profile == PROFILE_ADVANCED) { yading@10: // if (alloc_bitplane(&v->over_flags_plane, s->mb_width, s->mb_height) < 0) yading@10: // return -1; yading@10: // if (alloc_bitplane(&v->ac_pred_plane, s->mb_width, s->mb_height) < 0) yading@10: // return -1; yading@10: } yading@10: yading@10: ff_intrax8_common_init(&v->x8,s); yading@10: yading@10: if (s->avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || s->avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { yading@10: for (i = 0; i < 4; i++) yading@10: if (!(v->sr_rows[i >> 1][i & 1] = av_malloc(v->output_width))) return -1; yading@10: } yading@10: yading@10: if (!v->mv_type_mb_plane || !v->direct_mb_plane || !v->acpred_plane || !v->over_flags_plane || yading@10: !v->block || !v->cbp_base || !v->ttblk_base || !v->is_intra_base || !v->luma_mv_base || yading@10: !v->mb_type_base) yading@10: return -1; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: av_cold void ff_vc1_init_transposed_scantables(VC1Context *v) yading@10: { yading@10: int i; yading@10: for (i = 0; i < 64; i++) { yading@10: #define transpose(x) ((x >> 3) | ((x & 7) << 3)) yading@10: v->zz_8x8[0][i] = transpose(ff_wmv1_scantable[0][i]); yading@10: v->zz_8x8[1][i] = transpose(ff_wmv1_scantable[1][i]); yading@10: v->zz_8x8[2][i] = transpose(ff_wmv1_scantable[2][i]); yading@10: v->zz_8x8[3][i] = transpose(ff_wmv1_scantable[3][i]); yading@10: v->zzi_8x8[i] = transpose(ff_vc1_adv_interlaced_8x8_zz[i]); yading@10: } yading@10: v->left_blk_sh = 0; yading@10: v->top_blk_sh = 3; yading@10: } yading@10: yading@10: /** Initialize a VC1/WMV3 decoder yading@10: * @todo TODO: Handle VC-1 IDUs (Transport level?) yading@10: * @todo TODO: Decypher remaining bits in extra_data yading@10: */ yading@10: static av_cold int vc1_decode_init(AVCodecContext *avctx) yading@10: { yading@10: VC1Context *v = avctx->priv_data; yading@10: MpegEncContext *s = &v->s; yading@10: GetBitContext gb; yading@10: yading@10: /* save the container output size for WMImage */ yading@10: v->output_width = avctx->width; yading@10: v->output_height = avctx->height; yading@10: yading@10: if (!avctx->extradata_size || !avctx->extradata) yading@10: return -1; yading@10: if (!(avctx->flags & CODEC_FLAG_GRAY)) yading@10: avctx->pix_fmt = avctx->get_format(avctx, avctx->codec->pix_fmts); yading@10: else yading@10: avctx->pix_fmt = AV_PIX_FMT_GRAY8; yading@10: avctx->hwaccel = ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt); yading@10: v->s.avctx = avctx; yading@10: avctx->flags |= CODEC_FLAG_EMU_EDGE; yading@10: v->s.flags |= CODEC_FLAG_EMU_EDGE; yading@10: yading@10: if (ff_vc1_init_common(v) < 0) yading@10: return -1; yading@10: // ensure static VLC tables are initialized yading@10: if (ff_msmpeg4_decode_init(avctx) < 0) yading@10: return -1; yading@10: if (ff_vc1_decode_init_alloc_tables(v) < 0) yading@10: return -1; yading@10: // Hack to ensure the above functions will be called yading@10: // again once we know all necessary settings. yading@10: // That this is necessary might indicate a bug. yading@10: ff_vc1_decode_end(avctx); yading@10: yading@10: ff_h264chroma_init(&v->h264chroma, 8); yading@10: ff_vc1dsp_init(&v->vc1dsp); yading@10: yading@10: if (avctx->codec_id == AV_CODEC_ID_WMV3 || avctx->codec_id == AV_CODEC_ID_WMV3IMAGE) { yading@10: int count = 0; yading@10: yading@10: // looks like WMV3 has a sequence header stored in the extradata yading@10: // advanced sequence header may be before the first frame yading@10: // the last byte of the extradata is a version number, 1 for the yading@10: // samples we can decode yading@10: yading@10: init_get_bits(&gb, avctx->extradata, avctx->extradata_size*8); yading@10: yading@10: if (ff_vc1_decode_sequence_header(avctx, v, &gb) < 0) yading@10: return -1; yading@10: yading@10: count = avctx->extradata_size*8 - get_bits_count(&gb); yading@10: if (count > 0) { yading@10: av_log(avctx, AV_LOG_INFO, "Extra data: %i bits left, value: %X\n", yading@10: count, get_bits(&gb, count)); yading@10: } else if (count < 0) { yading@10: av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count); yading@10: } yading@10: } else { // VC1/WVC1/WVP2 yading@10: const uint8_t *start = avctx->extradata; yading@10: uint8_t *end = avctx->extradata + avctx->extradata_size; yading@10: const uint8_t *next; yading@10: int size, buf2_size; yading@10: uint8_t *buf2 = NULL; yading@10: int seq_initialized = 0, ep_initialized = 0; yading@10: yading@10: if (avctx->extradata_size < 16) { yading@10: av_log(avctx, AV_LOG_ERROR, "Extradata size too small: %i\n", avctx->extradata_size); yading@10: return -1; yading@10: } yading@10: yading@10: buf2 = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); yading@10: start = find_next_marker(start, end); // in WVC1 extradata first byte is its size, but can be 0 in mkv yading@10: next = start; yading@10: for (; next < end; start = next) { yading@10: next = find_next_marker(start + 4, end); yading@10: size = next - start - 4; yading@10: if (size <= 0) yading@10: continue; yading@10: buf2_size = vc1_unescape_buffer(start + 4, size, buf2); yading@10: init_get_bits(&gb, buf2, buf2_size * 8); yading@10: switch (AV_RB32(start)) { yading@10: case VC1_CODE_SEQHDR: yading@10: if (ff_vc1_decode_sequence_header(avctx, v, &gb) < 0) { yading@10: av_free(buf2); yading@10: return -1; yading@10: } yading@10: seq_initialized = 1; yading@10: break; yading@10: case VC1_CODE_ENTRYPOINT: yading@10: if (ff_vc1_decode_entry_point(avctx, v, &gb) < 0) { yading@10: av_free(buf2); yading@10: return -1; yading@10: } yading@10: ep_initialized = 1; yading@10: break; yading@10: } yading@10: } yading@10: av_free(buf2); yading@10: if (!seq_initialized || !ep_initialized) { yading@10: av_log(avctx, AV_LOG_ERROR, "Incomplete extradata\n"); yading@10: return -1; yading@10: } yading@10: v->res_sprite = (avctx->codec_id == AV_CODEC_ID_VC1IMAGE); yading@10: } yading@10: yading@10: avctx->profile = v->profile; yading@10: if (v->profile == PROFILE_ADVANCED) yading@10: avctx->level = v->level; yading@10: yading@10: avctx->has_b_frames = !!avctx->max_b_frames; yading@10: yading@10: s->mb_width = (avctx->coded_width + 15) >> 4; yading@10: s->mb_height = (avctx->coded_height + 15) >> 4; yading@10: yading@10: if (v->profile == PROFILE_ADVANCED || v->res_fasttx) { yading@10: ff_vc1_init_transposed_scantables(v); yading@10: } else { yading@10: memcpy(v->zz_8x8, ff_wmv1_scantable, 4*64); yading@10: v->left_blk_sh = 3; yading@10: v->top_blk_sh = 0; yading@10: } yading@10: yading@10: if (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { yading@10: v->sprite_width = avctx->coded_width; yading@10: v->sprite_height = avctx->coded_height; yading@10: yading@10: avctx->coded_width = avctx->width = v->output_width; yading@10: avctx->coded_height = avctx->height = v->output_height; yading@10: yading@10: // prevent 16.16 overflows yading@10: if (v->sprite_width > 1 << 14 || yading@10: v->sprite_height > 1 << 14 || yading@10: v->output_width > 1 << 14 || yading@10: v->output_height > 1 << 14) return -1; yading@10: yading@10: if ((v->sprite_width&1) || (v->sprite_height&1)) { yading@10: avpriv_request_sample(avctx, "odd sprites support"); yading@10: return AVERROR_PATCHWELCOME; yading@10: } yading@10: } yading@10: return 0; yading@10: } yading@10: yading@10: /** Close a VC1/WMV3 decoder yading@10: * @warning Initial try at using MpegEncContext stuff yading@10: */ yading@10: av_cold int ff_vc1_decode_end(AVCodecContext *avctx) yading@10: { yading@10: VC1Context *v = avctx->priv_data; yading@10: int i; yading@10: yading@10: av_frame_unref(&v->sprite_output_frame); yading@10: yading@10: for (i = 0; i < 4; i++) yading@10: av_freep(&v->sr_rows[i >> 1][i & 1]); yading@10: av_freep(&v->hrd_rate); yading@10: av_freep(&v->hrd_buffer); yading@10: ff_MPV_common_end(&v->s); yading@10: av_freep(&v->mv_type_mb_plane); yading@10: av_freep(&v->direct_mb_plane); yading@10: av_freep(&v->forward_mb_plane); yading@10: av_freep(&v->fieldtx_plane); yading@10: av_freep(&v->acpred_plane); yading@10: av_freep(&v->over_flags_plane); yading@10: av_freep(&v->mb_type_base); yading@10: av_freep(&v->blk_mv_type_base); yading@10: av_freep(&v->mv_f_base); yading@10: av_freep(&v->mv_f_last_base); yading@10: av_freep(&v->mv_f_next_base); yading@10: av_freep(&v->block); yading@10: av_freep(&v->cbp_base); yading@10: av_freep(&v->ttblk_base); yading@10: av_freep(&v->is_intra_base); // FIXME use v->mb_type[] yading@10: av_freep(&v->luma_mv_base); yading@10: ff_intrax8_common_end(&v->x8); yading@10: return 0; yading@10: } yading@10: yading@10: yading@10: /** Decode a VC1/WMV3 frame yading@10: * @todo TODO: Handle VC-1 IDUs (Transport level?) yading@10: */ yading@10: static int vc1_decode_frame(AVCodecContext *avctx, void *data, yading@10: int *got_frame, AVPacket *avpkt) yading@10: { yading@10: const uint8_t *buf = avpkt->data; yading@10: int buf_size = avpkt->size, n_slices = 0, i, ret; yading@10: VC1Context *v = avctx->priv_data; yading@10: MpegEncContext *s = &v->s; yading@10: AVFrame *pict = data; yading@10: uint8_t *buf2 = NULL; yading@10: const uint8_t *buf_start = buf, *buf_start_second_field = NULL; yading@10: int mb_height, n_slices1=-1; yading@10: struct { yading@10: uint8_t *buf; yading@10: GetBitContext gb; yading@10: int mby_start; yading@10: } *slices = NULL, *tmp; yading@10: yading@10: v->second_field = 0; yading@10: yading@10: if(s->flags & CODEC_FLAG_LOW_DELAY) yading@10: s->low_delay = 1; yading@10: yading@10: /* no supplementary picture */ yading@10: if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == VC1_CODE_ENDOFSEQ)) { yading@10: /* special case for last picture */ yading@10: if (s->low_delay == 0 && s->next_picture_ptr) { yading@10: if ((ret = av_frame_ref(pict, &s->next_picture_ptr->f)) < 0) yading@10: return ret; yading@10: s->next_picture_ptr = NULL; yading@10: yading@10: *got_frame = 1; yading@10: } yading@10: yading@10: return buf_size; yading@10: } yading@10: yading@10: if (s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) { yading@10: if (v->profile < PROFILE_ADVANCED) yading@10: avctx->pix_fmt = AV_PIX_FMT_VDPAU_WMV3; yading@10: else yading@10: avctx->pix_fmt = AV_PIX_FMT_VDPAU_VC1; yading@10: } yading@10: yading@10: //for advanced profile we may need to parse and unescape data yading@10: if (avctx->codec_id == AV_CODEC_ID_VC1 || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { yading@10: int buf_size2 = 0; yading@10: buf2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); yading@10: yading@10: if (IS_MARKER(AV_RB32(buf))) { /* frame starts with marker and needs to be parsed */ yading@10: const uint8_t *start, *end, *next; yading@10: int size; yading@10: yading@10: next = buf; yading@10: for (start = buf, end = buf + buf_size; next < end; start = next) { yading@10: next = find_next_marker(start + 4, end); yading@10: size = next - start - 4; yading@10: if (size <= 0) continue; yading@10: switch (AV_RB32(start)) { yading@10: case VC1_CODE_FRAME: yading@10: if (avctx->hwaccel || yading@10: s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) yading@10: buf_start = start; yading@10: buf_size2 = vc1_unescape_buffer(start + 4, size, buf2); yading@10: break; yading@10: case VC1_CODE_FIELD: { yading@10: int buf_size3; yading@10: if (avctx->hwaccel || yading@10: s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) yading@10: buf_start_second_field = start; yading@10: tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1)); yading@10: if (!tmp) yading@10: goto err; yading@10: slices = tmp; yading@10: slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); yading@10: if (!slices[n_slices].buf) yading@10: goto err; yading@10: buf_size3 = vc1_unescape_buffer(start + 4, size, yading@10: slices[n_slices].buf); yading@10: init_get_bits(&slices[n_slices].gb, slices[n_slices].buf, yading@10: buf_size3 << 3); yading@10: /* assuming that the field marker is at the exact middle, yading@10: hope it's correct */ yading@10: slices[n_slices].mby_start = s->mb_height >> 1; yading@10: n_slices1 = n_slices - 1; // index of the last slice of the first field yading@10: n_slices++; yading@10: break; yading@10: } yading@10: case VC1_CODE_ENTRYPOINT: /* it should be before frame data */ yading@10: buf_size2 = vc1_unescape_buffer(start + 4, size, buf2); yading@10: init_get_bits(&s->gb, buf2, buf_size2 * 8); yading@10: ff_vc1_decode_entry_point(avctx, v, &s->gb); yading@10: break; yading@10: case VC1_CODE_SLICE: { yading@10: int buf_size3; yading@10: tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1)); yading@10: if (!tmp) yading@10: goto err; yading@10: slices = tmp; yading@10: slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); yading@10: if (!slices[n_slices].buf) yading@10: goto err; yading@10: buf_size3 = vc1_unescape_buffer(start + 4, size, yading@10: slices[n_slices].buf); yading@10: init_get_bits(&slices[n_slices].gb, slices[n_slices].buf, yading@10: buf_size3 << 3); yading@10: slices[n_slices].mby_start = get_bits(&slices[n_slices].gb, 9); yading@10: n_slices++; yading@10: break; yading@10: } yading@10: } yading@10: } yading@10: } else if (v->interlace && ((buf[0] & 0xC0) == 0xC0)) { /* WVC1 interlaced stores both fields divided by marker */ yading@10: const uint8_t *divider; yading@10: int buf_size3; yading@10: yading@10: divider = find_next_marker(buf, buf + buf_size); yading@10: if ((divider == (buf + buf_size)) || AV_RB32(divider) != VC1_CODE_FIELD) { yading@10: av_log(avctx, AV_LOG_ERROR, "Error in WVC1 interlaced frame\n"); yading@10: goto err; yading@10: } else { // found field marker, unescape second field yading@10: if (avctx->hwaccel || yading@10: s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) yading@10: buf_start_second_field = divider; yading@10: tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1)); yading@10: if (!tmp) yading@10: goto err; yading@10: slices = tmp; yading@10: slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); yading@10: if (!slices[n_slices].buf) yading@10: goto err; yading@10: buf_size3 = vc1_unescape_buffer(divider + 4, buf + buf_size - divider - 4, slices[n_slices].buf); yading@10: init_get_bits(&slices[n_slices].gb, slices[n_slices].buf, yading@10: buf_size3 << 3); yading@10: slices[n_slices].mby_start = s->mb_height >> 1; yading@10: n_slices1 = n_slices - 1; yading@10: n_slices++; yading@10: } yading@10: buf_size2 = vc1_unescape_buffer(buf, divider - buf, buf2); yading@10: } else { yading@10: buf_size2 = vc1_unescape_buffer(buf, buf_size, buf2); yading@10: } yading@10: init_get_bits(&s->gb, buf2, buf_size2*8); yading@10: } else yading@10: init_get_bits(&s->gb, buf, buf_size*8); yading@10: yading@10: if (v->res_sprite) { yading@10: v->new_sprite = !get_bits1(&s->gb); yading@10: v->two_sprites = get_bits1(&s->gb); yading@10: /* res_sprite means a Windows Media Image stream, AV_CODEC_ID_*IMAGE means yading@10: we're using the sprite compositor. These are intentionally kept separate yading@10: so you can get the raw sprites by using the wmv3 decoder for WMVP or yading@10: the vc1 one for WVP2 */ yading@10: if (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { yading@10: if (v->new_sprite) { yading@10: // switch AVCodecContext parameters to those of the sprites yading@10: avctx->width = avctx->coded_width = v->sprite_width; yading@10: avctx->height = avctx->coded_height = v->sprite_height; yading@10: } else { yading@10: goto image; yading@10: } yading@10: } yading@10: } yading@10: yading@10: if (s->context_initialized && yading@10: (s->width != avctx->coded_width || yading@10: s->height != avctx->coded_height)) { yading@10: ff_vc1_decode_end(avctx); yading@10: } yading@10: yading@10: if (!s->context_initialized) { yading@10: if (ff_msmpeg4_decode_init(avctx) < 0 || ff_vc1_decode_init_alloc_tables(v) < 0) yading@10: goto err; yading@10: yading@10: s->low_delay = !avctx->has_b_frames || v->res_sprite; yading@10: yading@10: if (v->profile == PROFILE_ADVANCED) { yading@10: if(avctx->coded_width<=1 || avctx->coded_height<=1) yading@10: goto err; yading@10: s->h_edge_pos = avctx->coded_width; yading@10: s->v_edge_pos = avctx->coded_height; yading@10: } yading@10: } yading@10: yading@10: /* We need to set current_picture_ptr before reading the header, yading@10: * otherwise we cannot store anything in there. */ yading@10: if (s->current_picture_ptr == NULL || s->current_picture_ptr->f.data[0]) { yading@10: int i = ff_find_unused_picture(s, 0); yading@10: if (i < 0) yading@10: goto err; yading@10: s->current_picture_ptr = &s->picture[i]; yading@10: } yading@10: yading@10: // do parse frame header yading@10: v->pic_header_flag = 0; yading@10: v->first_pic_header_flag = 1; yading@10: if (v->profile < PROFILE_ADVANCED) { yading@10: if (ff_vc1_parse_frame_header(v, &s->gb) < 0) { yading@10: goto err; yading@10: } yading@10: } else { yading@10: if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) { yading@10: goto err; yading@10: } yading@10: } yading@10: v->first_pic_header_flag = 0; yading@10: yading@10: if (avctx->debug & FF_DEBUG_PICT_INFO) yading@10: av_log(v->s.avctx, AV_LOG_DEBUG, "pict_type: %c\n", av_get_picture_type_char(s->pict_type)); yading@10: yading@10: if ((avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) yading@10: && s->pict_type != AV_PICTURE_TYPE_I) { yading@10: av_log(v->s.avctx, AV_LOG_ERROR, "Sprite decoder: expected I-frame\n"); yading@10: goto err; yading@10: } yading@10: yading@10: if ((s->mb_height >> v->field_mode) == 0) { yading@10: av_log(v->s.avctx, AV_LOG_ERROR, "image too short\n"); yading@10: goto err; yading@10: } yading@10: yading@10: // process pulldown flags yading@10: s->current_picture_ptr->f.repeat_pict = 0; yading@10: // Pulldown flags are only valid when 'broadcast' has been set. yading@10: // So ticks_per_frame will be 2 yading@10: if (v->rff) { yading@10: // repeat field yading@10: s->current_picture_ptr->f.repeat_pict = 1; yading@10: } else if (v->rptfrm) { yading@10: // repeat frames yading@10: s->current_picture_ptr->f.repeat_pict = v->rptfrm * 2; yading@10: } yading@10: yading@10: // for skipping the frame yading@10: s->current_picture.f.pict_type = s->pict_type; yading@10: s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I; yading@10: yading@10: /* skip B-frames if we don't have reference frames */ yading@10: if (s->last_picture_ptr == NULL && (s->pict_type == AV_PICTURE_TYPE_B || s->droppable)) { yading@10: goto err; yading@10: } yading@10: if ((avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) || yading@10: (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) || yading@10: avctx->skip_frame >= AVDISCARD_ALL) { yading@10: goto end; yading@10: } yading@10: yading@10: if (s->next_p_frame_damaged) { yading@10: if (s->pict_type == AV_PICTURE_TYPE_B) yading@10: goto end; yading@10: else yading@10: s->next_p_frame_damaged = 0; yading@10: } yading@10: yading@10: if (ff_MPV_frame_start(s, avctx) < 0) { yading@10: goto err; yading@10: } yading@10: yading@10: v->s.current_picture_ptr->f.interlaced_frame = (v->fcm != PROGRESSIVE); yading@10: v->s.current_picture_ptr->f.top_field_first = v->tff; yading@10: yading@10: s->me.qpel_put = s->dsp.put_qpel_pixels_tab; yading@10: s->me.qpel_avg = s->dsp.avg_qpel_pixels_tab; yading@10: yading@10: if ((CONFIG_VC1_VDPAU_DECODER) yading@10: &&s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) yading@10: ff_vdpau_vc1_decode_picture(s, buf_start, (buf + buf_size) - buf_start); yading@10: else if (avctx->hwaccel) { yading@10: if (v->field_mode && buf_start_second_field) { yading@10: // decode first field yading@10: s->picture_structure = PICT_BOTTOM_FIELD - v->tff; yading@10: if (avctx->hwaccel->start_frame(avctx, buf_start, buf_start_second_field - buf_start) < 0) yading@10: goto err; yading@10: if (avctx->hwaccel->decode_slice(avctx, buf_start, buf_start_second_field - buf_start) < 0) yading@10: goto err; yading@10: if (avctx->hwaccel->end_frame(avctx) < 0) yading@10: goto err; yading@10: yading@10: // decode second field yading@10: s->gb = slices[n_slices1 + 1].gb; yading@10: s->picture_structure = PICT_TOP_FIELD + v->tff; yading@10: v->second_field = 1; yading@10: v->pic_header_flag = 0; yading@10: if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) { yading@10: av_log(avctx, AV_LOG_ERROR, "parsing header for second field failed"); yading@10: goto err; yading@10: } yading@10: v->s.current_picture_ptr->f.pict_type = v->s.pict_type; yading@10: yading@10: if (avctx->hwaccel->start_frame(avctx, buf_start_second_field, (buf + buf_size) - buf_start_second_field) < 0) yading@10: goto err; yading@10: if (avctx->hwaccel->decode_slice(avctx, buf_start_second_field, (buf + buf_size) - buf_start_second_field) < 0) yading@10: goto err; yading@10: if (avctx->hwaccel->end_frame(avctx) < 0) yading@10: goto err; yading@10: } else { yading@10: s->picture_structure = PICT_FRAME; yading@10: if (avctx->hwaccel->start_frame(avctx, buf_start, (buf + buf_size) - buf_start) < 0) yading@10: goto err; yading@10: if (avctx->hwaccel->decode_slice(avctx, buf_start, (buf + buf_size) - buf_start) < 0) yading@10: goto err; yading@10: if (avctx->hwaccel->end_frame(avctx) < 0) yading@10: goto err; yading@10: } yading@10: } else { yading@10: int header_ret = 0; yading@10: yading@10: yading@10: ff_mpeg_er_frame_start(s); yading@10: yading@10: v->bits = buf_size * 8; yading@10: v->end_mb_x = s->mb_width; yading@10: if (v->field_mode) { yading@10: uint8_t *tmp[2]; yading@10: s->current_picture.f.linesize[0] <<= 1; yading@10: s->current_picture.f.linesize[1] <<= 1; yading@10: s->current_picture.f.linesize[2] <<= 1; yading@10: s->linesize <<= 1; yading@10: s->uvlinesize <<= 1; yading@10: tmp[0] = v->mv_f_last[0]; yading@10: tmp[1] = v->mv_f_last[1]; yading@10: v->mv_f_last[0] = v->mv_f_next[0]; yading@10: v->mv_f_last[1] = v->mv_f_next[1]; yading@10: v->mv_f_next[0] = v->mv_f[0]; yading@10: v->mv_f_next[1] = v->mv_f[1]; yading@10: v->mv_f[0] = tmp[0]; yading@10: v->mv_f[1] = tmp[1]; yading@10: } yading@10: mb_height = s->mb_height >> v->field_mode; yading@10: for (i = 0; i <= n_slices; i++) { yading@10: if (i > 0 && slices[i - 1].mby_start >= mb_height) { yading@10: if (v->field_mode <= 0) { yading@10: av_log(v->s.avctx, AV_LOG_ERROR, "Slice %d starts beyond " yading@10: "picture boundary (%d >= %d)\n", i, yading@10: slices[i - 1].mby_start, mb_height); yading@10: continue; yading@10: } yading@10: v->second_field = 1; yading@10: v->blocks_off = s->b8_stride * (s->mb_height&~1); yading@10: v->mb_off = s->mb_stride * s->mb_height >> 1; yading@10: } else { yading@10: v->second_field = 0; yading@10: v->blocks_off = 0; yading@10: v->mb_off = 0; yading@10: } yading@10: if (i) { yading@10: v->pic_header_flag = 0; yading@10: if (v->field_mode && i == n_slices1 + 2) { yading@10: if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) { yading@10: av_log(v->s.avctx, AV_LOG_ERROR, "Field header damaged\n"); yading@10: continue; yading@10: } yading@10: } else if (get_bits1(&s->gb)) { yading@10: v->pic_header_flag = 1; yading@10: if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) { yading@10: av_log(v->s.avctx, AV_LOG_ERROR, "Slice header damaged\n"); yading@10: continue; yading@10: } yading@10: } yading@10: } yading@10: if (header_ret < 0) yading@10: continue; yading@10: s->start_mb_y = (i == 0) ? 0 : FFMAX(0, slices[i-1].mby_start % mb_height); yading@10: if (!v->field_mode || v->second_field) yading@10: s->end_mb_y = (i == n_slices ) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height); yading@10: else { yading@10: if (i >= n_slices) { yading@10: av_log(v->s.avctx, AV_LOG_ERROR, "first field slice count too large\n"); yading@10: continue; yading@10: } yading@10: s->end_mb_y = (i <= n_slices1 + 1) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height); yading@10: } yading@10: if (s->end_mb_y <= s->start_mb_y) { yading@10: av_log(v->s.avctx, AV_LOG_ERROR, "end mb y %d %d invalid\n", s->end_mb_y, s->start_mb_y); yading@10: continue; yading@10: } yading@10: if (!v->p_frame_skipped && s->pict_type != AV_PICTURE_TYPE_I && !v->cbpcy_vlc) { yading@10: av_log(v->s.avctx, AV_LOG_ERROR, "missing cbpcy_vlc\n"); yading@10: continue; yading@10: } yading@10: ff_vc1_decode_blocks(v); yading@10: if (i != n_slices) yading@10: s->gb = slices[i].gb; yading@10: } yading@10: if (v->field_mode) { yading@10: v->second_field = 0; yading@10: if (s->pict_type == AV_PICTURE_TYPE_B) { yading@10: memcpy(v->mv_f_base, v->mv_f_next_base, yading@10: 2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2)); yading@10: } yading@10: s->current_picture.f.linesize[0] >>= 1; yading@10: s->current_picture.f.linesize[1] >>= 1; yading@10: s->current_picture.f.linesize[2] >>= 1; yading@10: s->linesize >>= 1; yading@10: s->uvlinesize >>= 1; yading@10: } yading@10: av_dlog(s->avctx, "Consumed %i/%i bits\n", yading@10: get_bits_count(&s->gb), s->gb.size_in_bits); yading@10: // if (get_bits_count(&s->gb) > buf_size * 8) yading@10: // return -1; yading@10: if(s->er.error_occurred && s->pict_type == AV_PICTURE_TYPE_B) yading@10: goto err; yading@10: if(!v->field_mode) yading@10: ff_er_frame_end(&s->er); yading@10: } yading@10: yading@10: ff_MPV_frame_end(s); yading@10: yading@10: if (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { yading@10: image: yading@10: avctx->width = avctx->coded_width = v->output_width; yading@10: avctx->height = avctx->coded_height = v->output_height; yading@10: if (avctx->skip_frame >= AVDISCARD_NONREF) yading@10: goto end; yading@10: #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER yading@10: if (vc1_decode_sprites(v, &s->gb)) yading@10: goto err; yading@10: #endif yading@10: if ((ret = av_frame_ref(pict, &v->sprite_output_frame)) < 0) yading@10: goto err; yading@10: *got_frame = 1; yading@10: } else { yading@10: if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) { yading@10: if ((ret = av_frame_ref(pict, &s->current_picture_ptr->f)) < 0) yading@10: goto err; yading@10: ff_print_debug_info(s, s->current_picture_ptr, pict); yading@10: } else if (s->last_picture_ptr != NULL) { yading@10: if ((ret = av_frame_ref(pict, &s->last_picture_ptr->f)) < 0) yading@10: goto err; yading@10: ff_print_debug_info(s, s->last_picture_ptr, pict); yading@10: } yading@10: if (s->last_picture_ptr || s->low_delay) { yading@10: *got_frame = 1; yading@10: } yading@10: } yading@10: yading@10: end: yading@10: av_free(buf2); yading@10: for (i = 0; i < n_slices; i++) yading@10: av_free(slices[i].buf); yading@10: av_free(slices); yading@10: return buf_size; yading@10: yading@10: err: yading@10: av_free(buf2); yading@10: for (i = 0; i < n_slices; i++) yading@10: av_free(slices[i].buf); yading@10: av_free(slices); yading@10: return -1; yading@10: } yading@10: yading@10: yading@10: static const AVProfile profiles[] = { yading@10: { FF_PROFILE_VC1_SIMPLE, "Simple" }, yading@10: { FF_PROFILE_VC1_MAIN, "Main" }, yading@10: { FF_PROFILE_VC1_COMPLEX, "Complex" }, yading@10: { FF_PROFILE_VC1_ADVANCED, "Advanced" }, yading@10: { FF_PROFILE_UNKNOWN }, yading@10: }; yading@10: yading@10: static const enum AVPixelFormat vc1_hwaccel_pixfmt_list_420[] = { yading@10: #if CONFIG_DXVA2 yading@10: AV_PIX_FMT_DXVA2_VLD, yading@10: #endif yading@10: #if CONFIG_VAAPI yading@10: AV_PIX_FMT_VAAPI_VLD, yading@10: #endif yading@10: #if CONFIG_VDPAU yading@10: AV_PIX_FMT_VDPAU, yading@10: #endif yading@10: AV_PIX_FMT_YUV420P, yading@10: AV_PIX_FMT_NONE yading@10: }; yading@10: yading@10: AVCodec ff_vc1_decoder = { yading@10: .name = "vc1", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_VC1, yading@10: .priv_data_size = sizeof(VC1Context), yading@10: .init = vc1_decode_init, yading@10: .close = ff_vc1_decode_end, yading@10: .decode = vc1_decode_frame, yading@10: .flush = ff_mpeg_flush, yading@10: .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY, yading@10: .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1"), yading@10: .pix_fmts = vc1_hwaccel_pixfmt_list_420, yading@10: .profiles = NULL_IF_CONFIG_SMALL(profiles) yading@10: }; yading@10: yading@10: #if CONFIG_WMV3_DECODER yading@10: AVCodec ff_wmv3_decoder = { yading@10: .name = "wmv3", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_WMV3, yading@10: .priv_data_size = sizeof(VC1Context), yading@10: .init = vc1_decode_init, yading@10: .close = ff_vc1_decode_end, yading@10: .decode = vc1_decode_frame, yading@10: .flush = ff_mpeg_flush, yading@10: .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY, yading@10: .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9"), yading@10: .pix_fmts = vc1_hwaccel_pixfmt_list_420, yading@10: .profiles = NULL_IF_CONFIG_SMALL(profiles) yading@10: }; yading@10: #endif yading@10: yading@10: #if CONFIG_WMV3_VDPAU_DECODER yading@10: AVCodec ff_wmv3_vdpau_decoder = { yading@10: .name = "wmv3_vdpau", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_WMV3, yading@10: .priv_data_size = sizeof(VC1Context), yading@10: .init = vc1_decode_init, yading@10: .close = ff_vc1_decode_end, yading@10: .decode = vc1_decode_frame, yading@10: .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU, yading@10: .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 VDPAU"), yading@10: .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VDPAU_WMV3, AV_PIX_FMT_NONE }, yading@10: .profiles = NULL_IF_CONFIG_SMALL(profiles) yading@10: }; yading@10: #endif yading@10: yading@10: #if CONFIG_VC1_VDPAU_DECODER yading@10: AVCodec ff_vc1_vdpau_decoder = { yading@10: .name = "vc1_vdpau", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_VC1, yading@10: .priv_data_size = sizeof(VC1Context), yading@10: .init = vc1_decode_init, yading@10: .close = ff_vc1_decode_end, yading@10: .decode = vc1_decode_frame, yading@10: .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU, yading@10: .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1 VDPAU"), yading@10: .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VDPAU_VC1, AV_PIX_FMT_NONE }, yading@10: .profiles = NULL_IF_CONFIG_SMALL(profiles) yading@10: }; yading@10: #endif yading@10: yading@10: #if CONFIG_WMV3IMAGE_DECODER yading@10: AVCodec ff_wmv3image_decoder = { yading@10: .name = "wmv3image", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_WMV3IMAGE, yading@10: .priv_data_size = sizeof(VC1Context), yading@10: .init = vc1_decode_init, yading@10: .close = ff_vc1_decode_end, yading@10: .decode = vc1_decode_frame, yading@10: .capabilities = CODEC_CAP_DR1, yading@10: .flush = vc1_sprite_flush, yading@10: .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 Image"), yading@10: .pix_fmts = ff_pixfmt_list_420 yading@10: }; yading@10: #endif yading@10: yading@10: #if CONFIG_VC1IMAGE_DECODER yading@10: AVCodec ff_vc1image_decoder = { yading@10: .name = "vc1image", yading@10: .type = AVMEDIA_TYPE_VIDEO, yading@10: .id = AV_CODEC_ID_VC1IMAGE, yading@10: .priv_data_size = sizeof(VC1Context), yading@10: .init = vc1_decode_init, yading@10: .close = ff_vc1_decode_end, yading@10: .decode = vc1_decode_frame, yading@10: .capabilities = CODEC_CAP_DR1, yading@10: .flush = vc1_sprite_flush, yading@10: .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 Image v2"), yading@10: .pix_fmts = ff_pixfmt_list_420 yading@10: }; yading@10: #endif