yading@10: /* yading@10: * The simplest mpeg encoder (well, it was the simplest!) yading@10: * Copyright (c) 2000,2001 Fabrice Bellard yading@10: * Copyright (c) 2002-2004 Michael Niedermayer yading@10: * yading@10: * 4MV & hq & B-frame encoding stuff by 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: * The simplest mpeg encoder (well, it was the simplest!). yading@10: */ yading@10: yading@10: #include "libavutil/avassert.h" yading@10: #include "libavutil/imgutils.h" yading@10: #include "avcodec.h" yading@10: #include "dsputil.h" yading@10: #include "h264chroma.h" yading@10: #include "internal.h" yading@10: #include "mathops.h" yading@10: #include "mpegvideo.h" yading@10: #include "mjpegenc.h" yading@10: #include "msmpeg4.h" yading@10: #include "xvmc_internal.h" yading@10: #include "thread.h" yading@10: #include yading@10: yading@10: //#undef NDEBUG yading@10: //#include yading@10: yading@10: static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale); yading@10: static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale); yading@10: static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale); yading@10: static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale); yading@10: static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale); yading@10: static void dct_unquantize_h263_intra_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale); yading@10: static void dct_unquantize_h263_inter_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale); yading@10: yading@10: yading@10: //#define DEBUG yading@10: yading@10: yading@10: static const uint8_t ff_default_chroma_qscale_table[32] = { yading@10: // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 yading@10: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, yading@10: 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 yading@10: }; yading@10: yading@10: const uint8_t ff_mpeg1_dc_scale_table[128] = { yading@10: // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 yading@10: 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, yading@10: 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, yading@10: 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, yading@10: 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, yading@10: 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, yading@10: 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, yading@10: 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, yading@10: 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, yading@10: }; yading@10: yading@10: static const uint8_t mpeg2_dc_scale_table1[128] = { yading@10: // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 yading@10: 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, yading@10: 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, yading@10: 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, yading@10: 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, yading@10: 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, yading@10: 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, yading@10: 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, yading@10: 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, yading@10: }; yading@10: yading@10: static const uint8_t mpeg2_dc_scale_table2[128] = { yading@10: // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 yading@10: 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, yading@10: 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, yading@10: 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, yading@10: 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, yading@10: 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, yading@10: 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, yading@10: 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, yading@10: 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, yading@10: }; yading@10: yading@10: static const uint8_t mpeg2_dc_scale_table3[128] = { yading@10: // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 yading@10: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, yading@10: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, yading@10: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, yading@10: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, yading@10: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, yading@10: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, yading@10: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, yading@10: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, yading@10: }; yading@10: yading@10: const uint8_t *const ff_mpeg2_dc_scale_table[4] = { yading@10: ff_mpeg1_dc_scale_table, yading@10: mpeg2_dc_scale_table1, yading@10: mpeg2_dc_scale_table2, yading@10: mpeg2_dc_scale_table3, yading@10: }; yading@10: yading@10: const enum AVPixelFormat ff_pixfmt_list_420[] = { yading@10: AV_PIX_FMT_YUV420P, yading@10: AV_PIX_FMT_NONE yading@10: }; yading@10: yading@10: static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type, yading@10: int (*mv)[2][4][2], yading@10: int mb_x, int mb_y, int mb_intra, int mb_skipped) yading@10: { yading@10: MpegEncContext *s = opaque; yading@10: yading@10: s->mv_dir = mv_dir; yading@10: s->mv_type = mv_type; yading@10: s->mb_intra = mb_intra; yading@10: s->mb_skipped = mb_skipped; yading@10: s->mb_x = mb_x; yading@10: s->mb_y = mb_y; yading@10: memcpy(s->mv, mv, sizeof(*mv)); yading@10: yading@10: ff_init_block_index(s); yading@10: ff_update_block_index(s); yading@10: yading@10: s->dsp.clear_blocks(s->block[0]); yading@10: yading@10: s->dest[0] = s->current_picture.f.data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16; yading@10: s->dest[1] = s->current_picture.f.data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift); yading@10: s->dest[2] = s->current_picture.f.data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift); yading@10: yading@10: assert(ref == 0); yading@10: ff_MPV_decode_mb(s, s->block); yading@10: } yading@10: yading@10: /* init common dct for both encoder and decoder */ yading@10: av_cold int ff_dct_common_init(MpegEncContext *s) yading@10: { yading@10: ff_dsputil_init(&s->dsp, s->avctx); yading@10: ff_h264chroma_init(&s->h264chroma, 8); //for lowres yading@10: ff_hpeldsp_init(&s->hdsp, s->avctx->flags); yading@10: ff_videodsp_init(&s->vdsp, s->avctx->bits_per_raw_sample); yading@10: yading@10: s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c; yading@10: s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c; yading@10: s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c; yading@10: s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c; yading@10: s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c; yading@10: if (s->flags & CODEC_FLAG_BITEXACT) yading@10: s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact; yading@10: s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c; yading@10: yading@10: #if ARCH_X86 yading@10: ff_MPV_common_init_x86(s); yading@10: #elif ARCH_ALPHA yading@10: ff_MPV_common_init_axp(s); yading@10: #elif ARCH_ARM yading@10: ff_MPV_common_init_arm(s); yading@10: #elif HAVE_ALTIVEC yading@10: ff_MPV_common_init_altivec(s); yading@10: #elif ARCH_BFIN yading@10: ff_MPV_common_init_bfin(s); yading@10: #endif yading@10: yading@10: /* load & permutate scantables yading@10: * note: only wmv uses different ones yading@10: */ yading@10: if (s->alternate_scan) { yading@10: ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan); yading@10: ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan); yading@10: } else { yading@10: ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct); yading@10: ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct); yading@10: } yading@10: ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan); yading@10: ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan); yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: int ff_mpv_frame_size_alloc(MpegEncContext *s, int linesize) yading@10: { yading@10: int alloc_size = FFALIGN(FFABS(linesize) + 64, 32); yading@10: yading@10: // edge emu needs blocksize + filter length - 1 yading@10: // (= 17x17 for halfpel / 21x21 for h264) yading@10: // VC1 computes luma and chroma simultaneously and needs 19X19 + 9x9 yading@10: // at uvlinesize. It supports only YUV420 so 24x24 is enough yading@10: // linesize * interlaced * MBsize yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, alloc_size * 4 * 24, yading@10: fail); yading@10: yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, alloc_size * 4 * 16 * 2, yading@10: fail) yading@10: s->me.temp = s->me.scratchpad; yading@10: s->rd_scratchpad = s->me.scratchpad; yading@10: s->b_scratchpad = s->me.scratchpad; yading@10: s->obmc_scratchpad = s->me.scratchpad + 16; yading@10: yading@10: return 0; yading@10: fail: yading@10: av_freep(&s->edge_emu_buffer); yading@10: return AVERROR(ENOMEM); yading@10: } yading@10: yading@10: /** yading@10: * Allocate a frame buffer yading@10: */ yading@10: static int alloc_frame_buffer(MpegEncContext *s, Picture *pic) yading@10: { yading@10: int r, ret; yading@10: yading@10: pic->tf.f = &pic->f; yading@10: if (s->codec_id != AV_CODEC_ID_WMV3IMAGE && yading@10: s->codec_id != AV_CODEC_ID_VC1IMAGE && yading@10: s->codec_id != AV_CODEC_ID_MSS2) yading@10: r = ff_thread_get_buffer(s->avctx, &pic->tf, yading@10: pic->reference ? AV_GET_BUFFER_FLAG_REF : 0); yading@10: else { yading@10: pic->f.width = s->avctx->width; yading@10: pic->f.height = s->avctx->height; yading@10: pic->f.format = s->avctx->pix_fmt; yading@10: r = avcodec_default_get_buffer2(s->avctx, &pic->f, 0); yading@10: } yading@10: yading@10: if (r < 0 || !pic->f.data[0]) { yading@10: av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %p)\n", yading@10: r, pic->f.data[0]); yading@10: return -1; yading@10: } yading@10: yading@10: if (s->avctx->hwaccel) { yading@10: assert(!pic->hwaccel_picture_private); yading@10: if (s->avctx->hwaccel->priv_data_size) { yading@10: pic->hwaccel_priv_buf = av_buffer_allocz(s->avctx->hwaccel->priv_data_size); yading@10: if (!pic->hwaccel_priv_buf) { yading@10: av_log(s->avctx, AV_LOG_ERROR, "alloc_frame_buffer() failed (hwaccel private data allocation)\n"); yading@10: return -1; yading@10: } yading@10: pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data; yading@10: } yading@10: } yading@10: yading@10: if (s->linesize && (s->linesize != pic->f.linesize[0] || yading@10: s->uvlinesize != pic->f.linesize[1])) { yading@10: av_log(s->avctx, AV_LOG_ERROR, yading@10: "get_buffer() failed (stride changed)\n"); yading@10: ff_mpeg_unref_picture(s, pic); yading@10: return -1; yading@10: } yading@10: yading@10: if (pic->f.linesize[1] != pic->f.linesize[2]) { yading@10: av_log(s->avctx, AV_LOG_ERROR, yading@10: "get_buffer() failed (uv stride mismatch)\n"); yading@10: ff_mpeg_unref_picture(s, pic); yading@10: return -1; yading@10: } yading@10: yading@10: if (!s->edge_emu_buffer && yading@10: (ret = ff_mpv_frame_size_alloc(s, pic->f.linesize[0])) < 0) { yading@10: av_log(s->avctx, AV_LOG_ERROR, yading@10: "get_buffer() failed to allocate context scratch buffers.\n"); yading@10: ff_mpeg_unref_picture(s, pic); yading@10: return ret; yading@10: } yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: static void free_picture_tables(Picture *pic) yading@10: { yading@10: int i; yading@10: yading@10: pic->alloc_mb_width = yading@10: pic->alloc_mb_height = 0; yading@10: yading@10: av_buffer_unref(&pic->mb_var_buf); yading@10: av_buffer_unref(&pic->mc_mb_var_buf); yading@10: av_buffer_unref(&pic->mb_mean_buf); yading@10: av_buffer_unref(&pic->mbskip_table_buf); yading@10: av_buffer_unref(&pic->qscale_table_buf); yading@10: av_buffer_unref(&pic->mb_type_buf); yading@10: yading@10: for (i = 0; i < 2; i++) { yading@10: av_buffer_unref(&pic->motion_val_buf[i]); yading@10: av_buffer_unref(&pic->ref_index_buf[i]); yading@10: } yading@10: } yading@10: yading@10: static int alloc_picture_tables(MpegEncContext *s, Picture *pic) yading@10: { yading@10: const int big_mb_num = s->mb_stride * (s->mb_height + 1) + 1; yading@10: const int mb_array_size = s->mb_stride * s->mb_height; yading@10: const int b8_array_size = s->b8_stride * s->mb_height * 2; yading@10: int i; yading@10: yading@10: yading@10: pic->mbskip_table_buf = av_buffer_allocz(mb_array_size + 2); yading@10: pic->qscale_table_buf = av_buffer_allocz(big_mb_num + s->mb_stride); yading@10: pic->mb_type_buf = av_buffer_allocz((big_mb_num + s->mb_stride) * yading@10: sizeof(uint32_t)); yading@10: if (!pic->mbskip_table_buf || !pic->qscale_table_buf || !pic->mb_type_buf) yading@10: return AVERROR(ENOMEM); yading@10: yading@10: if (s->encoding) { yading@10: pic->mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t)); yading@10: pic->mc_mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t)); yading@10: pic->mb_mean_buf = av_buffer_allocz(mb_array_size); yading@10: if (!pic->mb_var_buf || !pic->mc_mb_var_buf || !pic->mb_mean_buf) yading@10: return AVERROR(ENOMEM); yading@10: } yading@10: yading@10: if (s->out_format == FMT_H263 || s->encoding || yading@10: (s->avctx->debug & FF_DEBUG_MV) || s->avctx->debug_mv) { yading@10: int mv_size = 2 * (b8_array_size + 4) * sizeof(int16_t); yading@10: int ref_index_size = 4 * mb_array_size; yading@10: yading@10: for (i = 0; mv_size && i < 2; i++) { yading@10: pic->motion_val_buf[i] = av_buffer_allocz(mv_size); yading@10: pic->ref_index_buf[i] = av_buffer_allocz(ref_index_size); yading@10: if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i]) yading@10: return AVERROR(ENOMEM); yading@10: } yading@10: } yading@10: yading@10: pic->alloc_mb_width = s->mb_width; yading@10: pic->alloc_mb_height = s->mb_height; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: static int make_tables_writable(Picture *pic) yading@10: { yading@10: int ret, i; yading@10: #define MAKE_WRITABLE(table) \ yading@10: do {\ yading@10: if (pic->table &&\ yading@10: (ret = av_buffer_make_writable(&pic->table)) < 0)\ yading@10: return ret;\ yading@10: } while (0) yading@10: yading@10: MAKE_WRITABLE(mb_var_buf); yading@10: MAKE_WRITABLE(mc_mb_var_buf); yading@10: MAKE_WRITABLE(mb_mean_buf); yading@10: MAKE_WRITABLE(mbskip_table_buf); yading@10: MAKE_WRITABLE(qscale_table_buf); yading@10: MAKE_WRITABLE(mb_type_buf); yading@10: yading@10: for (i = 0; i < 2; i++) { yading@10: MAKE_WRITABLE(motion_val_buf[i]); yading@10: MAKE_WRITABLE(ref_index_buf[i]); yading@10: } yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: /** yading@10: * Allocate a Picture. yading@10: * The pixels are allocated/set by calling get_buffer() if shared = 0 yading@10: */ yading@10: int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared) yading@10: { yading@10: int i, ret; yading@10: yading@10: if (pic->qscale_table_buf) yading@10: if ( pic->alloc_mb_width != s->mb_width yading@10: || pic->alloc_mb_height != s->mb_height) yading@10: free_picture_tables(pic); yading@10: yading@10: if (shared) { yading@10: assert(pic->f.data[0]); yading@10: pic->shared = 1; yading@10: } else { yading@10: assert(!pic->f.data[0]); yading@10: yading@10: if (alloc_frame_buffer(s, pic) < 0) yading@10: return -1; yading@10: yading@10: s->linesize = pic->f.linesize[0]; yading@10: s->uvlinesize = pic->f.linesize[1]; yading@10: } yading@10: yading@10: if (!pic->qscale_table_buf) yading@10: ret = alloc_picture_tables(s, pic); yading@10: else yading@10: ret = make_tables_writable(pic); yading@10: if (ret < 0) yading@10: goto fail; yading@10: yading@10: if (s->encoding) { yading@10: pic->mb_var = (uint16_t*)pic->mb_var_buf->data; yading@10: pic->mc_mb_var = (uint16_t*)pic->mc_mb_var_buf->data; yading@10: pic->mb_mean = pic->mb_mean_buf->data; yading@10: } yading@10: yading@10: pic->mbskip_table = pic->mbskip_table_buf->data; yading@10: pic->qscale_table = pic->qscale_table_buf->data + 2 * s->mb_stride + 1; yading@10: pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * s->mb_stride + 1; yading@10: yading@10: if (pic->motion_val_buf[0]) { yading@10: for (i = 0; i < 2; i++) { yading@10: pic->motion_val[i] = (int16_t (*)[2])pic->motion_val_buf[i]->data + 4; yading@10: pic->ref_index[i] = pic->ref_index_buf[i]->data; yading@10: } yading@10: } yading@10: yading@10: return 0; yading@10: fail: yading@10: av_log(s->avctx, AV_LOG_ERROR, "Error allocating a picture.\n"); yading@10: ff_mpeg_unref_picture(s, pic); yading@10: free_picture_tables(pic); yading@10: return AVERROR(ENOMEM); yading@10: } yading@10: yading@10: /** yading@10: * Deallocate a picture. yading@10: */ yading@10: void ff_mpeg_unref_picture(MpegEncContext *s, Picture *pic) yading@10: { yading@10: int off = offsetof(Picture, mb_mean) + sizeof(pic->mb_mean); yading@10: yading@10: pic->tf.f = &pic->f; yading@10: /* WM Image / Screen codecs allocate internal buffers with different yading@10: * dimensions / colorspaces; ignore user-defined callbacks for these. */ yading@10: if (s->codec_id != AV_CODEC_ID_WMV3IMAGE && yading@10: s->codec_id != AV_CODEC_ID_VC1IMAGE && yading@10: s->codec_id != AV_CODEC_ID_MSS2) yading@10: ff_thread_release_buffer(s->avctx, &pic->tf); yading@10: else yading@10: av_frame_unref(&pic->f); yading@10: yading@10: av_buffer_unref(&pic->hwaccel_priv_buf); yading@10: yading@10: memset((uint8_t*)pic + off, 0, sizeof(*pic) - off); yading@10: } yading@10: yading@10: static int update_picture_tables(Picture *dst, Picture *src) yading@10: { yading@10: int i; yading@10: yading@10: #define UPDATE_TABLE(table)\ yading@10: do {\ yading@10: if (src->table &&\ yading@10: (!dst->table || dst->table->buffer != src->table->buffer)) {\ yading@10: av_buffer_unref(&dst->table);\ yading@10: dst->table = av_buffer_ref(src->table);\ yading@10: if (!dst->table) {\ yading@10: free_picture_tables(dst);\ yading@10: return AVERROR(ENOMEM);\ yading@10: }\ yading@10: }\ yading@10: } while (0) yading@10: yading@10: UPDATE_TABLE(mb_var_buf); yading@10: UPDATE_TABLE(mc_mb_var_buf); yading@10: UPDATE_TABLE(mb_mean_buf); yading@10: UPDATE_TABLE(mbskip_table_buf); yading@10: UPDATE_TABLE(qscale_table_buf); yading@10: UPDATE_TABLE(mb_type_buf); yading@10: for (i = 0; i < 2; i++) { yading@10: UPDATE_TABLE(motion_val_buf[i]); yading@10: UPDATE_TABLE(ref_index_buf[i]); yading@10: } yading@10: yading@10: dst->mb_var = src->mb_var; yading@10: dst->mc_mb_var = src->mc_mb_var; yading@10: dst->mb_mean = src->mb_mean; yading@10: dst->mbskip_table = src->mbskip_table; yading@10: dst->qscale_table = src->qscale_table; yading@10: dst->mb_type = src->mb_type; yading@10: for (i = 0; i < 2; i++) { yading@10: dst->motion_val[i] = src->motion_val[i]; yading@10: dst->ref_index[i] = src->ref_index[i]; yading@10: } yading@10: yading@10: dst->alloc_mb_width = src->alloc_mb_width; yading@10: dst->alloc_mb_height = src->alloc_mb_height; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: int ff_mpeg_ref_picture(MpegEncContext *s, Picture *dst, Picture *src) yading@10: { yading@10: int ret; yading@10: yading@10: av_assert0(!dst->f.buf[0]); yading@10: av_assert0(src->f.buf[0]); yading@10: yading@10: src->tf.f = &src->f; yading@10: dst->tf.f = &dst->f; yading@10: ret = ff_thread_ref_frame(&dst->tf, &src->tf); yading@10: if (ret < 0) yading@10: goto fail; yading@10: yading@10: ret = update_picture_tables(dst, src); yading@10: if (ret < 0) yading@10: goto fail; yading@10: yading@10: if (src->hwaccel_picture_private) { yading@10: dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf); yading@10: if (!dst->hwaccel_priv_buf) yading@10: goto fail; yading@10: dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data; yading@10: } yading@10: yading@10: dst->field_picture = src->field_picture; yading@10: dst->mb_var_sum = src->mb_var_sum; yading@10: dst->mc_mb_var_sum = src->mc_mb_var_sum; yading@10: dst->b_frame_score = src->b_frame_score; yading@10: dst->needs_realloc = src->needs_realloc; yading@10: dst->reference = src->reference; yading@10: dst->shared = src->shared; yading@10: yading@10: return 0; yading@10: fail: yading@10: ff_mpeg_unref_picture(s, dst); yading@10: return ret; yading@10: } yading@10: yading@10: static int init_duplicate_context(MpegEncContext *s) yading@10: { yading@10: int y_size = s->b8_stride * (2 * s->mb_height + 1); yading@10: int c_size = s->mb_stride * (s->mb_height + 1); yading@10: int yc_size = y_size + 2 * c_size; yading@10: int i; yading@10: yading@10: s->edge_emu_buffer = yading@10: s->me.scratchpad = yading@10: s->me.temp = yading@10: s->rd_scratchpad = yading@10: s->b_scratchpad = yading@10: s->obmc_scratchpad = NULL; yading@10: yading@10: if (s->encoding) { yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->me.map, yading@10: ME_MAP_SIZE * sizeof(uint32_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->me.score_map, yading@10: ME_MAP_SIZE * sizeof(uint32_t), fail) yading@10: if (s->avctx->noise_reduction) { yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_error_sum, yading@10: 2 * 64 * sizeof(int), fail) yading@10: } yading@10: } yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->blocks, 64 * 12 * 2 * sizeof(int16_t), fail) yading@10: s->block = s->blocks[0]; yading@10: yading@10: for (i = 0; i < 12; i++) { yading@10: s->pblocks[i] = &s->block[i]; yading@10: } yading@10: yading@10: if (s->out_format == FMT_H263) { yading@10: /* ac values */ yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_val_base, yading@10: yc_size * sizeof(int16_t) * 16, fail); yading@10: s->ac_val[0] = s->ac_val_base + s->b8_stride + 1; yading@10: s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1; yading@10: s->ac_val[2] = s->ac_val[1] + c_size; yading@10: } yading@10: yading@10: return 0; yading@10: fail: yading@10: return -1; // free() through ff_MPV_common_end() yading@10: } yading@10: yading@10: static void free_duplicate_context(MpegEncContext *s) yading@10: { yading@10: if (s == NULL) yading@10: return; yading@10: yading@10: av_freep(&s->edge_emu_buffer); yading@10: av_freep(&s->me.scratchpad); yading@10: s->me.temp = yading@10: s->rd_scratchpad = yading@10: s->b_scratchpad = yading@10: s->obmc_scratchpad = NULL; yading@10: yading@10: av_freep(&s->dct_error_sum); yading@10: av_freep(&s->me.map); yading@10: av_freep(&s->me.score_map); yading@10: av_freep(&s->blocks); yading@10: av_freep(&s->ac_val_base); yading@10: s->block = NULL; yading@10: } yading@10: yading@10: static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src) yading@10: { yading@10: #define COPY(a) bak->a = src->a yading@10: COPY(edge_emu_buffer); yading@10: COPY(me.scratchpad); yading@10: COPY(me.temp); yading@10: COPY(rd_scratchpad); yading@10: COPY(b_scratchpad); yading@10: COPY(obmc_scratchpad); yading@10: COPY(me.map); yading@10: COPY(me.score_map); yading@10: COPY(blocks); yading@10: COPY(block); yading@10: COPY(start_mb_y); yading@10: COPY(end_mb_y); yading@10: COPY(me.map_generation); yading@10: COPY(pb); yading@10: COPY(dct_error_sum); yading@10: COPY(dct_count[0]); yading@10: COPY(dct_count[1]); yading@10: COPY(ac_val_base); yading@10: COPY(ac_val[0]); yading@10: COPY(ac_val[1]); yading@10: COPY(ac_val[2]); yading@10: #undef COPY yading@10: } yading@10: yading@10: int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src) yading@10: { yading@10: MpegEncContext bak; yading@10: int i, ret; yading@10: // FIXME copy only needed parts yading@10: // START_TIMER yading@10: backup_duplicate_context(&bak, dst); yading@10: memcpy(dst, src, sizeof(MpegEncContext)); yading@10: backup_duplicate_context(dst, &bak); yading@10: for (i = 0; i < 12; i++) { yading@10: dst->pblocks[i] = &dst->block[i]; yading@10: } yading@10: if (!dst->edge_emu_buffer && yading@10: (ret = ff_mpv_frame_size_alloc(dst, dst->linesize)) < 0) { yading@10: av_log(dst->avctx, AV_LOG_ERROR, "failed to allocate context " yading@10: "scratch buffers.\n"); yading@10: return ret; yading@10: } yading@10: // STOP_TIMER("update_duplicate_context") yading@10: // about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads yading@10: return 0; yading@10: } yading@10: yading@10: int ff_mpeg_update_thread_context(AVCodecContext *dst, yading@10: const AVCodecContext *src) yading@10: { yading@10: int i, ret; yading@10: MpegEncContext *s = dst->priv_data, *s1 = src->priv_data; yading@10: yading@10: if (dst == src) yading@10: return 0; yading@10: yading@10: av_assert0(s != s1); yading@10: yading@10: // FIXME can parameters change on I-frames? yading@10: // in that case dst may need a reinit yading@10: if (!s->context_initialized) { yading@10: memcpy(s, s1, sizeof(MpegEncContext)); yading@10: yading@10: s->avctx = dst; yading@10: s->bitstream_buffer = NULL; yading@10: s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0; yading@10: yading@10: if (s1->context_initialized){ yading@10: // s->picture_range_start += MAX_PICTURE_COUNT; yading@10: // s->picture_range_end += MAX_PICTURE_COUNT; yading@10: if((ret = ff_MPV_common_init(s)) < 0){ yading@10: memset(s, 0, sizeof(MpegEncContext)); yading@10: s->avctx = dst; yading@10: return ret; yading@10: } yading@10: } yading@10: } yading@10: yading@10: if (s->height != s1->height || s->width != s1->width || s->context_reinit) { yading@10: s->context_reinit = 0; yading@10: s->height = s1->height; yading@10: s->width = s1->width; yading@10: if ((ret = ff_MPV_common_frame_size_change(s)) < 0) yading@10: return ret; yading@10: } yading@10: yading@10: s->avctx->coded_height = s1->avctx->coded_height; yading@10: s->avctx->coded_width = s1->avctx->coded_width; yading@10: s->avctx->width = s1->avctx->width; yading@10: s->avctx->height = s1->avctx->height; yading@10: yading@10: s->coded_picture_number = s1->coded_picture_number; yading@10: s->picture_number = s1->picture_number; yading@10: s->input_picture_number = s1->input_picture_number; yading@10: yading@10: av_assert0(!s->picture || s->picture != s1->picture); yading@10: if(s->picture) yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: ff_mpeg_unref_picture(s, &s->picture[i]); yading@10: if (s1->picture[i].f.data[0] && yading@10: (ret = ff_mpeg_ref_picture(s, &s->picture[i], &s1->picture[i])) < 0) yading@10: return ret; yading@10: } yading@10: yading@10: #define UPDATE_PICTURE(pic)\ yading@10: do {\ yading@10: ff_mpeg_unref_picture(s, &s->pic);\ yading@10: if (s1->pic.f.data[0])\ yading@10: ret = ff_mpeg_ref_picture(s, &s->pic, &s1->pic);\ yading@10: else\ yading@10: ret = update_picture_tables(&s->pic, &s1->pic);\ yading@10: if (ret < 0)\ yading@10: return ret;\ yading@10: } while (0) yading@10: yading@10: UPDATE_PICTURE(current_picture); yading@10: UPDATE_PICTURE(last_picture); yading@10: UPDATE_PICTURE(next_picture); yading@10: yading@10: s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1); yading@10: s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1); yading@10: s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1); yading@10: yading@10: // Error/bug resilience yading@10: s->next_p_frame_damaged = s1->next_p_frame_damaged; yading@10: s->workaround_bugs = s1->workaround_bugs; yading@10: s->padding_bug_score = s1->padding_bug_score; yading@10: yading@10: // MPEG4 timing info yading@10: memcpy(&s->time_increment_bits, &s1->time_increment_bits, yading@10: (char *) &s1->shape - (char *) &s1->time_increment_bits); yading@10: yading@10: // B-frame info yading@10: s->max_b_frames = s1->max_b_frames; yading@10: s->low_delay = s1->low_delay; yading@10: s->droppable = s1->droppable; yading@10: yading@10: // DivX handling (doesn't work) yading@10: s->divx_packed = s1->divx_packed; yading@10: yading@10: if (s1->bitstream_buffer) { yading@10: if (s1->bitstream_buffer_size + yading@10: FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) yading@10: av_fast_malloc(&s->bitstream_buffer, yading@10: &s->allocated_bitstream_buffer_size, yading@10: s1->allocated_bitstream_buffer_size); yading@10: s->bitstream_buffer_size = s1->bitstream_buffer_size; yading@10: memcpy(s->bitstream_buffer, s1->bitstream_buffer, yading@10: s1->bitstream_buffer_size); yading@10: memset(s->bitstream_buffer + s->bitstream_buffer_size, 0, yading@10: FF_INPUT_BUFFER_PADDING_SIZE); yading@10: } yading@10: yading@10: // linesize dependend scratch buffer allocation yading@10: if (!s->edge_emu_buffer) yading@10: if (s1->linesize) { yading@10: if (ff_mpv_frame_size_alloc(s, s1->linesize) < 0) { yading@10: av_log(s->avctx, AV_LOG_ERROR, "Failed to allocate context " yading@10: "scratch buffers.\n"); yading@10: return AVERROR(ENOMEM); yading@10: } yading@10: } else { yading@10: av_log(s->avctx, AV_LOG_ERROR, "Context scratch buffers could not " yading@10: "be allocated due to unknown size.\n"); yading@10: } yading@10: yading@10: // MPEG2/interlacing info yading@10: memcpy(&s->progressive_sequence, &s1->progressive_sequence, yading@10: (char *) &s1->rtp_mode - (char *) &s1->progressive_sequence); yading@10: yading@10: if (!s1->first_field) { yading@10: s->last_pict_type = s1->pict_type; yading@10: if (s1->current_picture_ptr) yading@10: s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f.quality; yading@10: yading@10: if (s1->pict_type != AV_PICTURE_TYPE_B) { yading@10: s->last_non_b_pict_type = s1->pict_type; yading@10: } yading@10: } yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: /** yading@10: * Set the given MpegEncContext to common defaults yading@10: * (same for encoding and decoding). yading@10: * The changed fields will not depend upon the yading@10: * prior state of the MpegEncContext. yading@10: */ yading@10: void ff_MPV_common_defaults(MpegEncContext *s) yading@10: { yading@10: s->y_dc_scale_table = yading@10: s->c_dc_scale_table = ff_mpeg1_dc_scale_table; yading@10: s->chroma_qscale_table = ff_default_chroma_qscale_table; yading@10: s->progressive_frame = 1; yading@10: s->progressive_sequence = 1; yading@10: s->picture_structure = PICT_FRAME; yading@10: yading@10: s->coded_picture_number = 0; yading@10: s->picture_number = 0; yading@10: s->input_picture_number = 0; yading@10: yading@10: s->picture_in_gop_number = 0; yading@10: yading@10: s->f_code = 1; yading@10: s->b_code = 1; yading@10: yading@10: s->slice_context_count = 1; yading@10: } yading@10: yading@10: /** yading@10: * Set the given MpegEncContext to defaults for decoding. yading@10: * the changed fields will not depend upon yading@10: * the prior state of the MpegEncContext. yading@10: */ yading@10: void ff_MPV_decode_defaults(MpegEncContext *s) yading@10: { yading@10: ff_MPV_common_defaults(s); yading@10: } yading@10: yading@10: static int init_er(MpegEncContext *s) yading@10: { yading@10: ERContext *er = &s->er; yading@10: int mb_array_size = s->mb_height * s->mb_stride; yading@10: int i; yading@10: yading@10: er->avctx = s->avctx; yading@10: er->dsp = &s->dsp; yading@10: yading@10: er->mb_index2xy = s->mb_index2xy; yading@10: er->mb_num = s->mb_num; yading@10: er->mb_width = s->mb_width; yading@10: er->mb_height = s->mb_height; yading@10: er->mb_stride = s->mb_stride; yading@10: er->b8_stride = s->b8_stride; yading@10: yading@10: er->er_temp_buffer = av_malloc(s->mb_height * s->mb_stride); yading@10: er->error_status_table = av_mallocz(mb_array_size); yading@10: if (!er->er_temp_buffer || !er->error_status_table) yading@10: goto fail; yading@10: yading@10: er->mbskip_table = s->mbskip_table; yading@10: er->mbintra_table = s->mbintra_table; yading@10: yading@10: for (i = 0; i < FF_ARRAY_ELEMS(s->dc_val); i++) yading@10: er->dc_val[i] = s->dc_val[i]; yading@10: yading@10: er->decode_mb = mpeg_er_decode_mb; yading@10: er->opaque = s; yading@10: yading@10: return 0; yading@10: fail: yading@10: av_freep(&er->er_temp_buffer); yading@10: av_freep(&er->error_status_table); yading@10: return AVERROR(ENOMEM); yading@10: } yading@10: yading@10: /** yading@10: * Initialize and allocates MpegEncContext fields dependent on the resolution. yading@10: */ yading@10: static int init_context_frame(MpegEncContext *s) yading@10: { yading@10: int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y; yading@10: yading@10: s->mb_width = (s->width + 15) / 16; yading@10: s->mb_stride = s->mb_width + 1; yading@10: s->b8_stride = s->mb_width * 2 + 1; yading@10: s->b4_stride = s->mb_width * 4 + 1; yading@10: mb_array_size = s->mb_height * s->mb_stride; yading@10: mv_table_size = (s->mb_height + 2) * s->mb_stride + 1; yading@10: yading@10: /* set default edge pos, will be overriden yading@10: * in decode_header if needed */ yading@10: s->h_edge_pos = s->mb_width * 16; yading@10: s->v_edge_pos = s->mb_height * 16; yading@10: yading@10: s->mb_num = s->mb_width * s->mb_height; yading@10: yading@10: s->block_wrap[0] = yading@10: s->block_wrap[1] = yading@10: s->block_wrap[2] = yading@10: s->block_wrap[3] = s->b8_stride; yading@10: s->block_wrap[4] = yading@10: s->block_wrap[5] = s->mb_stride; yading@10: yading@10: y_size = s->b8_stride * (2 * s->mb_height + 1); yading@10: c_size = s->mb_stride * (s->mb_height + 1); yading@10: yc_size = y_size + 2 * c_size; yading@10: yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int), fail); // error ressilience code looks cleaner with this yading@10: for (y = 0; y < s->mb_height; y++) yading@10: for (x = 0; x < s->mb_width; x++) yading@10: s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride; yading@10: yading@10: s->mb_index2xy[s->mb_height * s->mb_width] = (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed? yading@10: yading@10: if (s->encoding) { yading@10: /* Allocate MV tables */ yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) yading@10: s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1; yading@10: s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1; yading@10: s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1; yading@10: s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base + s->mb_stride + 1; yading@10: s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base + s->mb_stride + 1; yading@10: s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1; yading@10: yading@10: /* Allocate MB type table */ yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size * sizeof(uint16_t), fail) // needed for encoding yading@10: yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail) yading@10: yading@10: FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab, yading@10: mb_array_size * sizeof(float), fail); yading@10: FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab, yading@10: mb_array_size * sizeof(float), fail); yading@10: yading@10: } yading@10: yading@10: if (s->codec_id == AV_CODEC_ID_MPEG4 || yading@10: (s->flags & CODEC_FLAG_INTERLACED_ME)) { yading@10: /* interlaced direct mode decoding tables */ yading@10: for (i = 0; i < 2; i++) { yading@10: int j, k; yading@10: for (j = 0; j < 2; j++) { yading@10: for (k = 0; k < 2; k++) { yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, yading@10: s->b_field_mv_table_base[i][j][k], yading@10: mv_table_size * 2 * sizeof(int16_t), yading@10: fail); yading@10: s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] + yading@10: s->mb_stride + 1; yading@10: } yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j], mb_array_size * 2 * sizeof(uint8_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j], mv_table_size * 2 * sizeof(int16_t), fail) yading@10: s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1; yading@10: } yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i], mb_array_size * 2 * sizeof(uint8_t), fail) yading@10: } yading@10: } yading@10: if (s->out_format == FMT_H263) { yading@10: /* cbp values */ yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail); yading@10: s->coded_block = s->coded_block_base + s->b8_stride + 1; yading@10: yading@10: /* cbp, ac_pred, pred_dir */ yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail); yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail); yading@10: } yading@10: yading@10: if (s->h263_pred || s->h263_plus || !s->encoding) { yading@10: /* dc values */ yading@10: // MN: we need these for error resilience of intra-frames yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail); yading@10: s->dc_val[0] = s->dc_val_base + s->b8_stride + 1; yading@10: s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1; yading@10: s->dc_val[2] = s->dc_val[1] + c_size; yading@10: for (i = 0; i < yc_size; i++) yading@10: s->dc_val_base[i] = 1024; yading@10: } yading@10: yading@10: /* which mb is a intra block */ yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail); yading@10: memset(s->mbintra_table, 1, mb_array_size); yading@10: yading@10: /* init macroblock skip table */ yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail); yading@10: // Note the + 1 is for a quicker mpeg4 slice_end detection yading@10: yading@10: return init_er(s); yading@10: fail: yading@10: return AVERROR(ENOMEM); yading@10: } yading@10: yading@10: /** yading@10: * init common structure for both encoder and decoder. yading@10: * this assumes that some variables like width/height are already set yading@10: */ yading@10: av_cold int ff_MPV_common_init(MpegEncContext *s) yading@10: { yading@10: int i; yading@10: int nb_slices = (HAVE_THREADS && yading@10: s->avctx->active_thread_type & FF_THREAD_SLICE) ? yading@10: s->avctx->thread_count : 1; yading@10: yading@10: if (s->encoding && s->avctx->slices) yading@10: nb_slices = s->avctx->slices; yading@10: yading@10: if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence) yading@10: s->mb_height = (s->height + 31) / 32 * 2; yading@10: else yading@10: s->mb_height = (s->height + 15) / 16; yading@10: yading@10: if (s->avctx->pix_fmt == AV_PIX_FMT_NONE) { yading@10: av_log(s->avctx, AV_LOG_ERROR, yading@10: "decoding to AV_PIX_FMT_NONE is not supported.\n"); yading@10: return -1; yading@10: } yading@10: yading@10: if (nb_slices > MAX_THREADS || (nb_slices > s->mb_height && s->mb_height)) { yading@10: int max_slices; yading@10: if (s->mb_height) yading@10: max_slices = FFMIN(MAX_THREADS, s->mb_height); yading@10: else yading@10: max_slices = MAX_THREADS; yading@10: av_log(s->avctx, AV_LOG_WARNING, "too many threads/slices (%d)," yading@10: " reducing to %d\n", nb_slices, max_slices); yading@10: nb_slices = max_slices; yading@10: } yading@10: yading@10: if ((s->width || s->height) && yading@10: av_image_check_size(s->width, s->height, 0, s->avctx)) yading@10: return -1; yading@10: yading@10: ff_dct_common_init(s); yading@10: yading@10: s->flags = s->avctx->flags; yading@10: s->flags2 = s->avctx->flags2; yading@10: yading@10: /* set chroma shifts */ yading@10: avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &s->chroma_x_shift, &s->chroma_y_shift); yading@10: yading@10: /* convert fourcc to upper case */ yading@10: s->codec_tag = avpriv_toupper4(s->avctx->codec_tag); yading@10: s->stream_codec_tag = avpriv_toupper4(s->avctx->stream_codec_tag); yading@10: yading@10: s->avctx->coded_frame = &s->current_picture.f; yading@10: yading@10: if (s->encoding) { yading@10: if (s->msmpeg4_version) { yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats, yading@10: 2 * 2 * (MAX_LEVEL + 1) * yading@10: (MAX_RUN + 1) * 2 * sizeof(int), fail); yading@10: } yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail); yading@10: yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix, 64 * 32 * sizeof(int), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix, 64 * 32 * sizeof(int), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix, 64 * 32 * sizeof(int), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail) yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail) yading@10: yading@10: if (s->avctx->noise_reduction) { yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail); yading@10: } yading@10: } yading@10: yading@10: FF_ALLOCZ_OR_GOTO(s->avctx, s->picture, yading@10: MAX_PICTURE_COUNT * sizeof(Picture), fail); yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: avcodec_get_frame_defaults(&s->picture[i].f); yading@10: } yading@10: memset(&s->next_picture, 0, sizeof(s->next_picture)); yading@10: memset(&s->last_picture, 0, sizeof(s->last_picture)); yading@10: memset(&s->current_picture, 0, sizeof(s->current_picture)); yading@10: avcodec_get_frame_defaults(&s->next_picture.f); yading@10: avcodec_get_frame_defaults(&s->last_picture.f); yading@10: avcodec_get_frame_defaults(&s->current_picture.f); yading@10: yading@10: if (init_context_frame(s)) yading@10: goto fail; yading@10: yading@10: s->parse_context.state = -1; yading@10: yading@10: s->context_initialized = 1; yading@10: s->thread_context[0] = s; yading@10: yading@10: // if (s->width && s->height) { yading@10: if (nb_slices > 1) { yading@10: for (i = 1; i < nb_slices; i++) { yading@10: s->thread_context[i] = av_malloc(sizeof(MpegEncContext)); yading@10: memcpy(s->thread_context[i], s, sizeof(MpegEncContext)); yading@10: } yading@10: yading@10: for (i = 0; i < nb_slices; i++) { yading@10: if (init_duplicate_context(s->thread_context[i]) < 0) yading@10: goto fail; yading@10: s->thread_context[i]->start_mb_y = yading@10: (s->mb_height * (i) + nb_slices / 2) / nb_slices; yading@10: s->thread_context[i]->end_mb_y = yading@10: (s->mb_height * (i + 1) + nb_slices / 2) / nb_slices; yading@10: } yading@10: } else { yading@10: if (init_duplicate_context(s) < 0) yading@10: goto fail; yading@10: s->start_mb_y = 0; yading@10: s->end_mb_y = s->mb_height; yading@10: } yading@10: s->slice_context_count = nb_slices; yading@10: // } yading@10: yading@10: return 0; yading@10: fail: yading@10: ff_MPV_common_end(s); yading@10: return -1; yading@10: } yading@10: yading@10: /** yading@10: * Frees and resets MpegEncContext fields depending on the resolution. yading@10: * Is used during resolution changes to avoid a full reinitialization of the yading@10: * codec. yading@10: */ yading@10: static int free_context_frame(MpegEncContext *s) yading@10: { yading@10: int i, j, k; yading@10: yading@10: av_freep(&s->mb_type); yading@10: av_freep(&s->p_mv_table_base); yading@10: av_freep(&s->b_forw_mv_table_base); yading@10: av_freep(&s->b_back_mv_table_base); yading@10: av_freep(&s->b_bidir_forw_mv_table_base); yading@10: av_freep(&s->b_bidir_back_mv_table_base); yading@10: av_freep(&s->b_direct_mv_table_base); yading@10: s->p_mv_table = NULL; yading@10: s->b_forw_mv_table = NULL; yading@10: s->b_back_mv_table = NULL; yading@10: s->b_bidir_forw_mv_table = NULL; yading@10: s->b_bidir_back_mv_table = NULL; yading@10: s->b_direct_mv_table = NULL; yading@10: for (i = 0; i < 2; i++) { yading@10: for (j = 0; j < 2; j++) { yading@10: for (k = 0; k < 2; k++) { yading@10: av_freep(&s->b_field_mv_table_base[i][j][k]); yading@10: s->b_field_mv_table[i][j][k] = NULL; yading@10: } yading@10: av_freep(&s->b_field_select_table[i][j]); yading@10: av_freep(&s->p_field_mv_table_base[i][j]); yading@10: s->p_field_mv_table[i][j] = NULL; yading@10: } yading@10: av_freep(&s->p_field_select_table[i]); yading@10: } yading@10: yading@10: av_freep(&s->dc_val_base); yading@10: av_freep(&s->coded_block_base); yading@10: av_freep(&s->mbintra_table); yading@10: av_freep(&s->cbp_table); yading@10: av_freep(&s->pred_dir_table); yading@10: yading@10: av_freep(&s->mbskip_table); yading@10: yading@10: av_freep(&s->er.error_status_table); yading@10: av_freep(&s->er.er_temp_buffer); yading@10: av_freep(&s->mb_index2xy); yading@10: av_freep(&s->lambda_table); yading@10: yading@10: av_freep(&s->cplx_tab); yading@10: av_freep(&s->bits_tab); yading@10: yading@10: s->linesize = s->uvlinesize = 0; yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: int ff_MPV_common_frame_size_change(MpegEncContext *s) yading@10: { yading@10: int i, err = 0; yading@10: yading@10: if (s->slice_context_count > 1) { yading@10: for (i = 0; i < s->slice_context_count; i++) { yading@10: free_duplicate_context(s->thread_context[i]); yading@10: } yading@10: for (i = 1; i < s->slice_context_count; i++) { yading@10: av_freep(&s->thread_context[i]); yading@10: } yading@10: } else yading@10: free_duplicate_context(s); yading@10: yading@10: if ((err = free_context_frame(s)) < 0) yading@10: return err; yading@10: yading@10: if (s->picture) yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: s->picture[i].needs_realloc = 1; yading@10: } yading@10: yading@10: s->last_picture_ptr = yading@10: s->next_picture_ptr = yading@10: s->current_picture_ptr = NULL; yading@10: yading@10: // init yading@10: if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence) yading@10: s->mb_height = (s->height + 31) / 32 * 2; yading@10: else yading@10: s->mb_height = (s->height + 15) / 16; yading@10: yading@10: if ((s->width || s->height) && yading@10: av_image_check_size(s->width, s->height, 0, s->avctx)) yading@10: return AVERROR_INVALIDDATA; yading@10: yading@10: if ((err = init_context_frame(s))) yading@10: goto fail; yading@10: yading@10: s->thread_context[0] = s; yading@10: yading@10: if (s->width && s->height) { yading@10: int nb_slices = s->slice_context_count; yading@10: if (nb_slices > 1) { yading@10: for (i = 1; i < nb_slices; i++) { yading@10: s->thread_context[i] = av_malloc(sizeof(MpegEncContext)); yading@10: memcpy(s->thread_context[i], s, sizeof(MpegEncContext)); yading@10: } yading@10: yading@10: for (i = 0; i < nb_slices; i++) { yading@10: if (init_duplicate_context(s->thread_context[i]) < 0) yading@10: goto fail; yading@10: s->thread_context[i]->start_mb_y = yading@10: (s->mb_height * (i) + nb_slices / 2) / nb_slices; yading@10: s->thread_context[i]->end_mb_y = yading@10: (s->mb_height * (i + 1) + nb_slices / 2) / nb_slices; yading@10: } yading@10: } else { yading@10: if (init_duplicate_context(s) < 0) yading@10: goto fail; yading@10: s->start_mb_y = 0; yading@10: s->end_mb_y = s->mb_height; yading@10: } yading@10: s->slice_context_count = nb_slices; yading@10: } yading@10: yading@10: return 0; yading@10: fail: yading@10: ff_MPV_common_end(s); yading@10: return err; yading@10: } yading@10: yading@10: /* init common structure for both encoder and decoder */ yading@10: void ff_MPV_common_end(MpegEncContext *s) yading@10: { yading@10: int i; yading@10: yading@10: if (s->slice_context_count > 1) { yading@10: for (i = 0; i < s->slice_context_count; i++) { yading@10: free_duplicate_context(s->thread_context[i]); yading@10: } yading@10: for (i = 1; i < s->slice_context_count; i++) { yading@10: av_freep(&s->thread_context[i]); yading@10: } yading@10: s->slice_context_count = 1; yading@10: } else free_duplicate_context(s); yading@10: yading@10: av_freep(&s->parse_context.buffer); yading@10: s->parse_context.buffer_size = 0; yading@10: yading@10: av_freep(&s->bitstream_buffer); yading@10: s->allocated_bitstream_buffer_size = 0; yading@10: yading@10: av_freep(&s->avctx->stats_out); yading@10: av_freep(&s->ac_stats); yading@10: yading@10: if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix); yading@10: if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16); yading@10: s->q_chroma_intra_matrix= NULL; yading@10: s->q_chroma_intra_matrix16= NULL; yading@10: av_freep(&s->q_intra_matrix); yading@10: av_freep(&s->q_inter_matrix); yading@10: av_freep(&s->q_intra_matrix16); yading@10: av_freep(&s->q_inter_matrix16); yading@10: av_freep(&s->input_picture); yading@10: av_freep(&s->reordered_input_picture); yading@10: av_freep(&s->dct_offset); yading@10: yading@10: if (s->picture) { yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: free_picture_tables(&s->picture[i]); yading@10: ff_mpeg_unref_picture(s, &s->picture[i]); yading@10: } yading@10: } yading@10: av_freep(&s->picture); yading@10: free_picture_tables(&s->last_picture); yading@10: ff_mpeg_unref_picture(s, &s->last_picture); yading@10: free_picture_tables(&s->current_picture); yading@10: ff_mpeg_unref_picture(s, &s->current_picture); yading@10: free_picture_tables(&s->next_picture); yading@10: ff_mpeg_unref_picture(s, &s->next_picture); yading@10: free_picture_tables(&s->new_picture); yading@10: ff_mpeg_unref_picture(s, &s->new_picture); yading@10: yading@10: free_context_frame(s); yading@10: yading@10: s->context_initialized = 0; yading@10: s->last_picture_ptr = yading@10: s->next_picture_ptr = yading@10: s->current_picture_ptr = NULL; yading@10: s->linesize = s->uvlinesize = 0; yading@10: } yading@10: yading@10: void ff_init_rl(RLTable *rl, yading@10: uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3]) yading@10: { yading@10: int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1]; yading@10: uint8_t index_run[MAX_RUN + 1]; yading@10: int last, run, level, start, end, i; yading@10: yading@10: /* If table is static, we can quit if rl->max_level[0] is not NULL */ yading@10: if (static_store && rl->max_level[0]) yading@10: return; yading@10: yading@10: /* compute max_level[], max_run[] and index_run[] */ yading@10: for (last = 0; last < 2; last++) { yading@10: if (last == 0) { yading@10: start = 0; yading@10: end = rl->last; yading@10: } else { yading@10: start = rl->last; yading@10: end = rl->n; yading@10: } yading@10: yading@10: memset(max_level, 0, MAX_RUN + 1); yading@10: memset(max_run, 0, MAX_LEVEL + 1); yading@10: memset(index_run, rl->n, MAX_RUN + 1); yading@10: for (i = start; i < end; i++) { yading@10: run = rl->table_run[i]; yading@10: level = rl->table_level[i]; yading@10: if (index_run[run] == rl->n) yading@10: index_run[run] = i; yading@10: if (level > max_level[run]) yading@10: max_level[run] = level; yading@10: if (run > max_run[level]) yading@10: max_run[level] = run; yading@10: } yading@10: if (static_store) yading@10: rl->max_level[last] = static_store[last]; yading@10: else yading@10: rl->max_level[last] = av_malloc(MAX_RUN + 1); yading@10: memcpy(rl->max_level[last], max_level, MAX_RUN + 1); yading@10: if (static_store) yading@10: rl->max_run[last] = static_store[last] + MAX_RUN + 1; yading@10: else yading@10: rl->max_run[last] = av_malloc(MAX_LEVEL + 1); yading@10: memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1); yading@10: if (static_store) yading@10: rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2; yading@10: else yading@10: rl->index_run[last] = av_malloc(MAX_RUN + 1); yading@10: memcpy(rl->index_run[last], index_run, MAX_RUN + 1); yading@10: } yading@10: } yading@10: yading@10: void ff_init_vlc_rl(RLTable *rl) yading@10: { yading@10: int i, q; yading@10: yading@10: for (q = 0; q < 32; q++) { yading@10: int qmul = q * 2; yading@10: int qadd = (q - 1) | 1; yading@10: yading@10: if (q == 0) { yading@10: qmul = 1; yading@10: qadd = 0; yading@10: } yading@10: for (i = 0; i < rl->vlc.table_size; i++) { yading@10: int code = rl->vlc.table[i][0]; yading@10: int len = rl->vlc.table[i][1]; yading@10: int level, run; yading@10: yading@10: if (len == 0) { // illegal code yading@10: run = 66; yading@10: level = MAX_LEVEL; yading@10: } else if (len < 0) { // more bits needed yading@10: run = 0; yading@10: level = code; yading@10: } else { yading@10: if (code == rl->n) { // esc yading@10: run = 66; yading@10: level = 0; yading@10: } else { yading@10: run = rl->table_run[code] + 1; yading@10: level = rl->table_level[code] * qmul + qadd; yading@10: if (code >= rl->last) run += 192; yading@10: } yading@10: } yading@10: rl->rl_vlc[q][i].len = len; yading@10: rl->rl_vlc[q][i].level = level; yading@10: rl->rl_vlc[q][i].run = run; yading@10: } yading@10: } yading@10: } yading@10: yading@10: void ff_release_unused_pictures(MpegEncContext*s, int remove_current) yading@10: { yading@10: int i; yading@10: yading@10: /* release non reference frames */ yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: if (!s->picture[i].reference && yading@10: (remove_current || &s->picture[i] != s->current_picture_ptr)) { yading@10: ff_mpeg_unref_picture(s, &s->picture[i]); yading@10: } yading@10: } yading@10: } yading@10: yading@10: static inline int pic_is_unused(MpegEncContext *s, Picture *pic) yading@10: { yading@10: if (pic == s->last_picture_ptr) yading@10: return 0; yading@10: if (pic->f.data[0] == NULL) yading@10: return 1; yading@10: if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF)) yading@10: return 1; yading@10: return 0; yading@10: } yading@10: yading@10: static int find_unused_picture(MpegEncContext *s, int shared) yading@10: { yading@10: int i; yading@10: yading@10: if (shared) { yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: if (s->picture[i].f.data[0] == NULL && &s->picture[i] != s->last_picture_ptr) yading@10: return i; yading@10: } yading@10: } else { yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: if (pic_is_unused(s, &s->picture[i])) yading@10: return i; yading@10: } yading@10: } yading@10: yading@10: av_log(s->avctx, AV_LOG_FATAL, yading@10: "Internal error, picture buffer overflow\n"); yading@10: /* We could return -1, but the codec would crash trying to draw into a yading@10: * non-existing frame anyway. This is safer than waiting for a random crash. yading@10: * Also the return of this is never useful, an encoder must only allocate yading@10: * as much as allowed in the specification. This has no relationship to how yading@10: * much libavcodec could allocate (and MAX_PICTURE_COUNT is always large yading@10: * enough for such valid streams). yading@10: * Plus, a decoder has to check stream validity and remove frames if too yading@10: * many reference frames are around. Waiting for "OOM" is not correct at yading@10: * all. Similarly, missing reference frames have to be replaced by yading@10: * interpolated/MC frames, anything else is a bug in the codec ... yading@10: */ yading@10: abort(); yading@10: return -1; yading@10: } yading@10: yading@10: int ff_find_unused_picture(MpegEncContext *s, int shared) yading@10: { yading@10: int ret = find_unused_picture(s, shared); yading@10: yading@10: if (ret >= 0 && ret < MAX_PICTURE_COUNT) { yading@10: if (s->picture[ret].needs_realloc) { yading@10: s->picture[ret].needs_realloc = 0; yading@10: free_picture_tables(&s->picture[ret]); yading@10: ff_mpeg_unref_picture(s, &s->picture[ret]); yading@10: avcodec_get_frame_defaults(&s->picture[ret].f); yading@10: } yading@10: } yading@10: return ret; yading@10: } yading@10: yading@10: static void update_noise_reduction(MpegEncContext *s) yading@10: { yading@10: int intra, i; yading@10: yading@10: for (intra = 0; intra < 2; intra++) { yading@10: if (s->dct_count[intra] > (1 << 16)) { yading@10: for (i = 0; i < 64; i++) { yading@10: s->dct_error_sum[intra][i] >>= 1; yading@10: } yading@10: s->dct_count[intra] >>= 1; yading@10: } yading@10: yading@10: for (i = 0; i < 64; i++) { yading@10: s->dct_offset[intra][i] = (s->avctx->noise_reduction * yading@10: s->dct_count[intra] + yading@10: s->dct_error_sum[intra][i] / 2) / yading@10: (s->dct_error_sum[intra][i] + 1); yading@10: } yading@10: } yading@10: } yading@10: yading@10: /** yading@10: * generic function for encode/decode called after coding/decoding yading@10: * the header and before a frame is coded/decoded. yading@10: */ yading@10: int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx) yading@10: { yading@10: int i, ret; yading@10: Picture *pic; yading@10: s->mb_skipped = 0; yading@10: yading@10: if (!ff_thread_can_start_frame(avctx)) { yading@10: av_log(avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n"); yading@10: return -1; yading@10: } yading@10: yading@10: /* mark & release old frames */ yading@10: if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr && yading@10: s->last_picture_ptr != s->next_picture_ptr && yading@10: s->last_picture_ptr->f.data[0]) { yading@10: ff_mpeg_unref_picture(s, s->last_picture_ptr); yading@10: } yading@10: yading@10: /* release forgotten pictures */ yading@10: /* if (mpeg124/h263) */ yading@10: if (!s->encoding) { yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: if (&s->picture[i] != s->last_picture_ptr && yading@10: &s->picture[i] != s->next_picture_ptr && yading@10: s->picture[i].reference && !s->picture[i].needs_realloc) { yading@10: if (!(avctx->active_thread_type & FF_THREAD_FRAME)) yading@10: av_log(avctx, AV_LOG_ERROR, yading@10: "releasing zombie picture\n"); yading@10: ff_mpeg_unref_picture(s, &s->picture[i]); yading@10: } yading@10: } yading@10: } yading@10: yading@10: if (!s->encoding) { yading@10: ff_release_unused_pictures(s, 1); yading@10: yading@10: if (s->current_picture_ptr && yading@10: s->current_picture_ptr->f.data[0] == NULL) { yading@10: // we already have a unused image yading@10: // (maybe it was set before reading the header) yading@10: pic = s->current_picture_ptr; yading@10: } else { yading@10: i = ff_find_unused_picture(s, 0); yading@10: if (i < 0) { yading@10: av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); yading@10: return i; yading@10: } yading@10: pic = &s->picture[i]; yading@10: } yading@10: yading@10: pic->reference = 0; yading@10: if (!s->droppable) { yading@10: if (s->pict_type != AV_PICTURE_TYPE_B) yading@10: pic->reference = 3; yading@10: } yading@10: yading@10: pic->f.coded_picture_number = s->coded_picture_number++; yading@10: yading@10: if (ff_alloc_picture(s, pic, 0) < 0) yading@10: return -1; yading@10: yading@10: s->current_picture_ptr = pic; yading@10: // FIXME use only the vars from current_pic yading@10: s->current_picture_ptr->f.top_field_first = s->top_field_first; yading@10: if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || yading@10: s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { yading@10: if (s->picture_structure != PICT_FRAME) yading@10: s->current_picture_ptr->f.top_field_first = yading@10: (s->picture_structure == PICT_TOP_FIELD) == s->first_field; yading@10: } yading@10: s->current_picture_ptr->f.interlaced_frame = !s->progressive_frame && yading@10: !s->progressive_sequence; yading@10: s->current_picture_ptr->field_picture = s->picture_structure != PICT_FRAME; yading@10: } yading@10: yading@10: s->current_picture_ptr->f.pict_type = s->pict_type; yading@10: // if (s->flags && CODEC_FLAG_QSCALE) yading@10: // s->current_picture_ptr->quality = s->new_picture_ptr->quality; yading@10: s->current_picture_ptr->f.key_frame = s->pict_type == AV_PICTURE_TYPE_I; yading@10: yading@10: ff_mpeg_unref_picture(s, &s->current_picture); yading@10: if ((ret = ff_mpeg_ref_picture(s, &s->current_picture, yading@10: s->current_picture_ptr)) < 0) yading@10: return ret; yading@10: yading@10: if (s->pict_type != AV_PICTURE_TYPE_B) { yading@10: s->last_picture_ptr = s->next_picture_ptr; yading@10: if (!s->droppable) yading@10: s->next_picture_ptr = s->current_picture_ptr; yading@10: } yading@10: av_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n", yading@10: s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr, yading@10: s->last_picture_ptr ? s->last_picture_ptr->f.data[0] : NULL, yading@10: s->next_picture_ptr ? s->next_picture_ptr->f.data[0] : NULL, yading@10: s->current_picture_ptr ? s->current_picture_ptr->f.data[0] : NULL, yading@10: s->pict_type, s->droppable); yading@10: yading@10: if ((s->last_picture_ptr == NULL || yading@10: s->last_picture_ptr->f.data[0] == NULL) && yading@10: (s->pict_type != AV_PICTURE_TYPE_I || yading@10: s->picture_structure != PICT_FRAME)) { yading@10: int h_chroma_shift, v_chroma_shift; yading@10: av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, yading@10: &h_chroma_shift, &v_chroma_shift); yading@10: if (s->pict_type != AV_PICTURE_TYPE_I) yading@10: av_log(avctx, AV_LOG_ERROR, yading@10: "warning: first frame is no keyframe\n"); yading@10: else if (s->picture_structure != PICT_FRAME) yading@10: av_log(avctx, AV_LOG_INFO, yading@10: "allocate dummy last picture for field based first keyframe\n"); yading@10: yading@10: /* Allocate a dummy frame */ yading@10: i = ff_find_unused_picture(s, 0); yading@10: if (i < 0) { yading@10: av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); yading@10: return i; yading@10: } yading@10: s->last_picture_ptr = &s->picture[i]; yading@10: s->last_picture_ptr->f.key_frame = 0; yading@10: if (ff_alloc_picture(s, s->last_picture_ptr, 0) < 0) { yading@10: s->last_picture_ptr = NULL; yading@10: return -1; yading@10: } yading@10: yading@10: memset(s->last_picture_ptr->f.data[0], 0x80, yading@10: avctx->height * s->last_picture_ptr->f.linesize[0]); yading@10: memset(s->last_picture_ptr->f.data[1], 0x80, yading@10: (avctx->height >> v_chroma_shift) * yading@10: s->last_picture_ptr->f.linesize[1]); yading@10: memset(s->last_picture_ptr->f.data[2], 0x80, yading@10: (avctx->height >> v_chroma_shift) * yading@10: s->last_picture_ptr->f.linesize[2]); yading@10: yading@10: if(s->codec_id == AV_CODEC_ID_FLV1 || s->codec_id == AV_CODEC_ID_H263){ yading@10: for(i=0; iheight; i++) yading@10: memset(s->last_picture_ptr->f.data[0] + s->last_picture_ptr->f.linesize[0]*i, 16, avctx->width); yading@10: } yading@10: yading@10: ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0); yading@10: ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1); yading@10: } yading@10: if ((s->next_picture_ptr == NULL || yading@10: s->next_picture_ptr->f.data[0] == NULL) && yading@10: s->pict_type == AV_PICTURE_TYPE_B) { yading@10: /* Allocate a dummy frame */ yading@10: i = ff_find_unused_picture(s, 0); yading@10: if (i < 0) { yading@10: av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); yading@10: return i; yading@10: } yading@10: s->next_picture_ptr = &s->picture[i]; yading@10: s->next_picture_ptr->f.key_frame = 0; yading@10: if (ff_alloc_picture(s, s->next_picture_ptr, 0) < 0) { yading@10: s->next_picture_ptr = NULL; yading@10: return -1; yading@10: } yading@10: ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 0); yading@10: ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 1); yading@10: } yading@10: yading@10: #if 0 // BUFREF-FIXME yading@10: memset(s->last_picture.f.data, 0, sizeof(s->last_picture.f.data)); yading@10: memset(s->next_picture.f.data, 0, sizeof(s->next_picture.f.data)); yading@10: #endif yading@10: if (s->last_picture_ptr) { yading@10: ff_mpeg_unref_picture(s, &s->last_picture); yading@10: if (s->last_picture_ptr->f.data[0] && yading@10: (ret = ff_mpeg_ref_picture(s, &s->last_picture, yading@10: s->last_picture_ptr)) < 0) yading@10: return ret; yading@10: } yading@10: if (s->next_picture_ptr) { yading@10: ff_mpeg_unref_picture(s, &s->next_picture); yading@10: if (s->next_picture_ptr->f.data[0] && yading@10: (ret = ff_mpeg_ref_picture(s, &s->next_picture, yading@10: s->next_picture_ptr)) < 0) yading@10: return ret; yading@10: } yading@10: yading@10: assert(s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr && yading@10: s->last_picture_ptr->f.data[0])); yading@10: yading@10: if (s->picture_structure!= PICT_FRAME) { yading@10: int i; yading@10: for (i = 0; i < 4; i++) { yading@10: if (s->picture_structure == PICT_BOTTOM_FIELD) { yading@10: s->current_picture.f.data[i] += yading@10: s->current_picture.f.linesize[i]; yading@10: } yading@10: s->current_picture.f.linesize[i] *= 2; yading@10: s->last_picture.f.linesize[i] *= 2; yading@10: s->next_picture.f.linesize[i] *= 2; yading@10: } yading@10: } yading@10: yading@10: s->err_recognition = avctx->err_recognition; yading@10: yading@10: /* set dequantizer, we can't do it during init as yading@10: * it might change for mpeg4 and we can't do it in the header yading@10: * decode as init is not called for mpeg4 there yet */ yading@10: if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { yading@10: s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra; yading@10: s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter; yading@10: } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { yading@10: s->dct_unquantize_intra = s->dct_unquantize_h263_intra; yading@10: s->dct_unquantize_inter = s->dct_unquantize_h263_inter; yading@10: } else { yading@10: s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra; yading@10: s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter; yading@10: } yading@10: yading@10: if (s->dct_error_sum) { yading@10: av_assert2(s->avctx->noise_reduction && s->encoding); yading@10: update_noise_reduction(s); yading@10: } yading@10: yading@10: if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) yading@10: return ff_xvmc_field_start(s, avctx); yading@10: yading@10: return 0; yading@10: } yading@10: yading@10: /* generic function for encode/decode called after a yading@10: * frame has been coded/decoded. */ yading@10: void ff_MPV_frame_end(MpegEncContext *s) yading@10: { yading@10: int i; yading@10: /* redraw edges for the frame if decoding didn't complete */ yading@10: // just to make sure that all data is rendered. yading@10: if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) { yading@10: ff_xvmc_field_end(s); yading@10: } else if ((s->er.error_count || s->encoding || !(s->avctx->codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)) && yading@10: !s->avctx->hwaccel && yading@10: !(s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) && yading@10: s->unrestricted_mv && yading@10: s->current_picture.reference && yading@10: !s->intra_only && yading@10: !(s->flags & CODEC_FLAG_EMU_EDGE) && yading@10: !s->avctx->lowres yading@10: ) { yading@10: const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt); yading@10: int hshift = desc->log2_chroma_w; yading@10: int vshift = desc->log2_chroma_h; yading@10: s->dsp.draw_edges(s->current_picture.f.data[0], s->current_picture.f.linesize[0], yading@10: s->h_edge_pos, s->v_edge_pos, yading@10: EDGE_WIDTH, EDGE_WIDTH, yading@10: EDGE_TOP | EDGE_BOTTOM); yading@10: s->dsp.draw_edges(s->current_picture.f.data[1], s->current_picture.f.linesize[1], yading@10: s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, yading@10: EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, yading@10: EDGE_TOP | EDGE_BOTTOM); yading@10: s->dsp.draw_edges(s->current_picture.f.data[2], s->current_picture.f.linesize[2], yading@10: s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, yading@10: EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, yading@10: EDGE_TOP | EDGE_BOTTOM); yading@10: } yading@10: yading@10: emms_c(); yading@10: yading@10: s->last_pict_type = s->pict_type; yading@10: s->last_lambda_for [s->pict_type] = s->current_picture_ptr->f.quality; yading@10: if (s->pict_type!= AV_PICTURE_TYPE_B) { yading@10: s->last_non_b_pict_type = s->pict_type; yading@10: } yading@10: #if 0 yading@10: /* copy back current_picture variables */ yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: if (s->picture[i].f.data[0] == s->current_picture.f.data[0]) { yading@10: s->picture[i] = s->current_picture; yading@10: break; yading@10: } yading@10: } yading@10: assert(i < MAX_PICTURE_COUNT); yading@10: #endif yading@10: yading@10: if (s->encoding) { yading@10: /* release non-reference frames */ yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) { yading@10: if (!s->picture[i].reference) yading@10: ff_mpeg_unref_picture(s, &s->picture[i]); yading@10: } yading@10: } yading@10: // clear copies, to avoid confusion yading@10: #if 0 yading@10: memset(&s->last_picture, 0, sizeof(Picture)); yading@10: memset(&s->next_picture, 0, sizeof(Picture)); yading@10: memset(&s->current_picture, 0, sizeof(Picture)); yading@10: #endif yading@10: s->avctx->coded_frame = &s->current_picture_ptr->f; yading@10: yading@10: if (s->current_picture.reference) yading@10: ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0); yading@10: } yading@10: yading@10: /** yading@10: * Draw a line from (ex, ey) -> (sx, sy). yading@10: * @param w width of the image yading@10: * @param h height of the image yading@10: * @param stride stride/linesize of the image yading@10: * @param color color of the arrow yading@10: */ yading@10: static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, yading@10: int w, int h, int stride, int color) yading@10: { yading@10: int x, y, fr, f; yading@10: yading@10: sx = av_clip(sx, 0, w - 1); yading@10: sy = av_clip(sy, 0, h - 1); yading@10: ex = av_clip(ex, 0, w - 1); yading@10: ey = av_clip(ey, 0, h - 1); yading@10: yading@10: buf[sy * stride + sx] += color; yading@10: yading@10: if (FFABS(ex - sx) > FFABS(ey - sy)) { yading@10: if (sx > ex) { yading@10: FFSWAP(int, sx, ex); yading@10: FFSWAP(int, sy, ey); yading@10: } yading@10: buf += sx + sy * stride; yading@10: ex -= sx; yading@10: f = ((ey - sy) << 16) / ex; yading@10: for (x = 0; x <= ex; x++) { yading@10: y = (x * f) >> 16; yading@10: fr = (x * f) & 0xFFFF; yading@10: buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; yading@10: if(fr) buf[(y + 1) * stride + x] += (color * fr ) >> 16; yading@10: } yading@10: } else { yading@10: if (sy > ey) { yading@10: FFSWAP(int, sx, ex); yading@10: FFSWAP(int, sy, ey); yading@10: } yading@10: buf += sx + sy * stride; yading@10: ey -= sy; yading@10: if (ey) yading@10: f = ((ex - sx) << 16) / ey; yading@10: else yading@10: f = 0; yading@10: for(y= 0; y <= ey; y++){ yading@10: x = (y*f) >> 16; yading@10: fr = (y*f) & 0xFFFF; yading@10: buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; yading@10: if(fr) buf[y * stride + x + 1] += (color * fr ) >> 16; yading@10: } yading@10: } yading@10: } yading@10: yading@10: /** yading@10: * Draw an arrow from (ex, ey) -> (sx, sy). yading@10: * @param w width of the image yading@10: * @param h height of the image yading@10: * @param stride stride/linesize of the image yading@10: * @param color color of the arrow yading@10: */ yading@10: static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, yading@10: int ey, int w, int h, int stride, int color) yading@10: { yading@10: int dx,dy; yading@10: yading@10: sx = av_clip(sx, -100, w + 100); yading@10: sy = av_clip(sy, -100, h + 100); yading@10: ex = av_clip(ex, -100, w + 100); yading@10: ey = av_clip(ey, -100, h + 100); yading@10: yading@10: dx = ex - sx; yading@10: dy = ey - sy; yading@10: yading@10: if (dx * dx + dy * dy > 3 * 3) { yading@10: int rx = dx + dy; yading@10: int ry = -dx + dy; yading@10: int length = ff_sqrt((rx * rx + ry * ry) << 8); yading@10: yading@10: // FIXME subpixel accuracy yading@10: rx = ROUNDED_DIV(rx * 3 << 4, length); yading@10: ry = ROUNDED_DIV(ry * 3 << 4, length); yading@10: yading@10: draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color); yading@10: draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color); yading@10: } yading@10: draw_line(buf, sx, sy, ex, ey, w, h, stride, color); yading@10: } yading@10: yading@10: /** yading@10: * Print debugging info for the given picture. yading@10: */ yading@10: void ff_print_debug_info2(AVCodecContext *avctx, Picture *p, AVFrame *pict, uint8_t *mbskip_table, yading@10: int *low_delay, yading@10: int mb_width, int mb_height, int mb_stride, int quarter_sample) yading@10: { yading@10: if (avctx->hwaccel || !p || !p->mb_type yading@10: || (avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)) yading@10: return; yading@10: yading@10: yading@10: if (avctx->debug & (FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)) { yading@10: int x,y; yading@10: yading@10: av_log(avctx, AV_LOG_DEBUG, "New frame, type: %c\n", yading@10: av_get_picture_type_char(pict->pict_type)); yading@10: for (y = 0; y < mb_height; y++) { yading@10: for (x = 0; x < mb_width; x++) { yading@10: if (avctx->debug & FF_DEBUG_SKIP) { yading@10: int count = mbskip_table[x + y * mb_stride]; yading@10: if (count > 9) yading@10: count = 9; yading@10: av_log(avctx, AV_LOG_DEBUG, "%1d", count); yading@10: } yading@10: if (avctx->debug & FF_DEBUG_QP) { yading@10: av_log(avctx, AV_LOG_DEBUG, "%2d", yading@10: p->qscale_table[x + y * mb_stride]); yading@10: } yading@10: if (avctx->debug & FF_DEBUG_MB_TYPE) { yading@10: int mb_type = p->mb_type[x + y * mb_stride]; yading@10: // Type & MV direction yading@10: if (IS_PCM(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "P"); yading@10: else if (IS_INTRA(mb_type) && IS_ACPRED(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "A"); yading@10: else if (IS_INTRA4x4(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "i"); yading@10: else if (IS_INTRA16x16(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "I"); yading@10: else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "d"); yading@10: else if (IS_DIRECT(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "D"); yading@10: else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "g"); yading@10: else if (IS_GMC(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "G"); yading@10: else if (IS_SKIP(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "S"); yading@10: else if (!USES_LIST(mb_type, 1)) yading@10: av_log(avctx, AV_LOG_DEBUG, ">"); yading@10: else if (!USES_LIST(mb_type, 0)) yading@10: av_log(avctx, AV_LOG_DEBUG, "<"); yading@10: else { yading@10: av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); yading@10: av_log(avctx, AV_LOG_DEBUG, "X"); yading@10: } yading@10: yading@10: // segmentation yading@10: if (IS_8X8(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "+"); yading@10: else if (IS_16X8(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "-"); yading@10: else if (IS_8X16(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "|"); yading@10: else if (IS_INTRA(mb_type) || IS_16X16(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, " "); yading@10: else yading@10: av_log(avctx, AV_LOG_DEBUG, "?"); yading@10: yading@10: yading@10: if (IS_INTERLACED(mb_type)) yading@10: av_log(avctx, AV_LOG_DEBUG, "="); yading@10: else yading@10: av_log(avctx, AV_LOG_DEBUG, " "); yading@10: } yading@10: } yading@10: av_log(avctx, AV_LOG_DEBUG, "\n"); yading@10: } yading@10: } yading@10: yading@10: if ((avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) || yading@10: (avctx->debug_mv)) { yading@10: const int shift = 1 + quarter_sample; yading@10: int mb_y; yading@10: uint8_t *ptr; yading@10: int i; yading@10: int h_chroma_shift, v_chroma_shift, block_height; yading@10: const int width = avctx->width; yading@10: const int height = avctx->height; yading@10: const int mv_sample_log2 = avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_SVQ3 ? 2 : 1; yading@10: const int mv_stride = (mb_width << mv_sample_log2) + yading@10: (avctx->codec->id == AV_CODEC_ID_H264 ? 0 : 1); yading@10: yading@10: *low_delay = 0; // needed to see the vectors without trashing the buffers yading@10: yading@10: avcodec_get_chroma_sub_sample(avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); yading@10: yading@10: av_frame_make_writable(pict); yading@10: yading@10: pict->opaque = NULL; yading@10: ptr = pict->data[0]; yading@10: block_height = 16 >> v_chroma_shift; yading@10: yading@10: for (mb_y = 0; mb_y < mb_height; mb_y++) { yading@10: int mb_x; yading@10: for (mb_x = 0; mb_x < mb_width; mb_x++) { yading@10: const int mb_index = mb_x + mb_y * mb_stride; yading@10: if ((avctx->debug_mv) && p->motion_val[0]) { yading@10: int type; yading@10: for (type = 0; type < 3; type++) { yading@10: int direction = 0; yading@10: switch (type) { yading@10: case 0: yading@10: if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_P_FOR)) || yading@10: (pict->pict_type!= AV_PICTURE_TYPE_P)) yading@10: continue; yading@10: direction = 0; yading@10: break; yading@10: case 1: yading@10: if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_FOR)) || yading@10: (pict->pict_type!= AV_PICTURE_TYPE_B)) yading@10: continue; yading@10: direction = 0; yading@10: break; yading@10: case 2: yading@10: if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_BACK)) || yading@10: (pict->pict_type!= AV_PICTURE_TYPE_B)) yading@10: continue; yading@10: direction = 1; yading@10: break; yading@10: } yading@10: if (!USES_LIST(p->mb_type[mb_index], direction)) yading@10: continue; yading@10: yading@10: if (IS_8X8(p->mb_type[mb_index])) { yading@10: int i; yading@10: for (i = 0; i < 4; i++) { yading@10: int sx = mb_x * 16 + 4 + 8 * (i & 1); yading@10: int sy = mb_y * 16 + 4 + 8 * (i >> 1); yading@10: int xy = (mb_x * 2 + (i & 1) + yading@10: (mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1); yading@10: int mx = (p->motion_val[direction][xy][0] >> shift) + sx; yading@10: int my = (p->motion_val[direction][xy][1] >> shift) + sy; yading@10: draw_arrow(ptr, sx, sy, mx, my, width, yading@10: height, pict->linesize[0], 100); yading@10: } yading@10: } else if (IS_16X8(p->mb_type[mb_index])) { yading@10: int i; yading@10: for (i = 0; i < 2; i++) { yading@10: int sx = mb_x * 16 + 8; yading@10: int sy = mb_y * 16 + 4 + 8 * i; yading@10: int xy = (mb_x * 2 + (mb_y * 2 + i) * mv_stride) << (mv_sample_log2 - 1); yading@10: int mx = (p->motion_val[direction][xy][0] >> shift); yading@10: int my = (p->motion_val[direction][xy][1] >> shift); yading@10: yading@10: if (IS_INTERLACED(p->mb_type[mb_index])) yading@10: my *= 2; yading@10: yading@10: draw_arrow(ptr, sx, sy, mx + sx, my + sy, width, yading@10: height, pict->linesize[0], 100); yading@10: } yading@10: } else if (IS_8X16(p->mb_type[mb_index])) { yading@10: int i; yading@10: for (i = 0; i < 2; i++) { yading@10: int sx = mb_x * 16 + 4 + 8 * i; yading@10: int sy = mb_y * 16 + 8; yading@10: int xy = (mb_x * 2 + i + mb_y * 2 * mv_stride) << (mv_sample_log2 - 1); yading@10: int mx = p->motion_val[direction][xy][0] >> shift; yading@10: int my = p->motion_val[direction][xy][1] >> shift; yading@10: yading@10: if (IS_INTERLACED(p->mb_type[mb_index])) yading@10: my *= 2; yading@10: yading@10: draw_arrow(ptr, sx, sy, mx + sx, my + sy, width, yading@10: height, pict->linesize[0], 100); yading@10: } yading@10: } else { yading@10: int sx= mb_x * 16 + 8; yading@10: int sy= mb_y * 16 + 8; yading@10: int xy= (mb_x + mb_y * mv_stride) << mv_sample_log2; yading@10: int mx= (p->motion_val[direction][xy][0]>>shift) + sx; yading@10: int my= (p->motion_val[direction][xy][1]>>shift) + sy; yading@10: draw_arrow(ptr, sx, sy, mx, my, width, height, pict->linesize[0], 100); yading@10: } yading@10: } yading@10: } yading@10: if ((avctx->debug & FF_DEBUG_VIS_QP)) { yading@10: uint64_t c = (p->qscale_table[mb_index] * 128 / 31) * yading@10: 0x0101010101010101ULL; yading@10: int y; yading@10: for (y = 0; y < block_height; y++) { yading@10: *(uint64_t *)(pict->data[1] + 8 * mb_x + yading@10: (block_height * mb_y + y) * yading@10: pict->linesize[1]) = c; yading@10: *(uint64_t *)(pict->data[2] + 8 * mb_x + yading@10: (block_height * mb_y + y) * yading@10: pict->linesize[2]) = c; yading@10: } yading@10: } yading@10: if ((avctx->debug & FF_DEBUG_VIS_MB_TYPE) && yading@10: p->motion_val[0]) { yading@10: int mb_type = p->mb_type[mb_index]; yading@10: uint64_t u,v; yading@10: int y; yading@10: #define COLOR(theta, r) \ yading@10: u = (int)(128 + r * cos(theta * 3.141592 / 180)); \ yading@10: v = (int)(128 + r * sin(theta * 3.141592 / 180)); yading@10: yading@10: yading@10: u = v = 128; yading@10: if (IS_PCM(mb_type)) { yading@10: COLOR(120, 48) yading@10: } else if ((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) || yading@10: IS_INTRA16x16(mb_type)) { yading@10: COLOR(30, 48) yading@10: } else if (IS_INTRA4x4(mb_type)) { yading@10: COLOR(90, 48) yading@10: } else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) { yading@10: // COLOR(120, 48) yading@10: } else if (IS_DIRECT(mb_type)) { yading@10: COLOR(150, 48) yading@10: } else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) { yading@10: COLOR(170, 48) yading@10: } else if (IS_GMC(mb_type)) { yading@10: COLOR(190, 48) yading@10: } else if (IS_SKIP(mb_type)) { yading@10: // COLOR(180, 48) yading@10: } else if (!USES_LIST(mb_type, 1)) { yading@10: COLOR(240, 48) yading@10: } else if (!USES_LIST(mb_type, 0)) { yading@10: COLOR(0, 48) yading@10: } else { yading@10: av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); yading@10: COLOR(300,48) yading@10: } yading@10: yading@10: u *= 0x0101010101010101ULL; yading@10: v *= 0x0101010101010101ULL; yading@10: for (y = 0; y < block_height; y++) { yading@10: *(uint64_t *)(pict->data[1] + 8 * mb_x + yading@10: (block_height * mb_y + y) * pict->linesize[1]) = u; yading@10: *(uint64_t *)(pict->data[2] + 8 * mb_x + yading@10: (block_height * mb_y + y) * pict->linesize[2]) = v; yading@10: } yading@10: yading@10: // segmentation yading@10: if (IS_8X8(mb_type) || IS_16X8(mb_type)) { yading@10: *(uint64_t *)(pict->data[0] + 16 * mb_x + 0 + yading@10: (16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL; yading@10: *(uint64_t *)(pict->data[0] + 16 * mb_x + 8 + yading@10: (16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL; yading@10: } yading@10: if (IS_8X8(mb_type) || IS_8X16(mb_type)) { yading@10: for (y = 0; y < 16; y++) yading@10: pict->data[0][16 * mb_x + 8 + (16 * mb_y + y) * yading@10: pict->linesize[0]] ^= 0x80; yading@10: } yading@10: if (IS_8X8(mb_type) && mv_sample_log2 >= 2) { yading@10: int dm = 1 << (mv_sample_log2 - 2); yading@10: for (i = 0; i < 4; i++) { yading@10: int sx = mb_x * 16 + 8 * (i & 1); yading@10: int sy = mb_y * 16 + 8 * (i >> 1); yading@10: int xy = (mb_x * 2 + (i & 1) + yading@10: (mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1); yading@10: // FIXME bidir yading@10: int32_t *mv = (int32_t *) &p->motion_val[0][xy]; yading@10: if (mv[0] != mv[dm] || yading@10: mv[dm * mv_stride] != mv[dm * (mv_stride + 1)]) yading@10: for (y = 0; y < 8; y++) yading@10: pict->data[0][sx + 4 + (sy + y) * pict->linesize[0]] ^= 0x80; yading@10: if (mv[0] != mv[dm * mv_stride] || mv[dm] != mv[dm * (mv_stride + 1)]) yading@10: *(uint64_t *)(pict->data[0] + sx + (sy + 4) * yading@10: pict->linesize[0]) ^= 0x8080808080808080ULL; yading@10: } yading@10: } yading@10: yading@10: if (IS_INTERLACED(mb_type) && yading@10: avctx->codec->id == AV_CODEC_ID_H264) { yading@10: // hmm yading@10: } yading@10: } yading@10: mbskip_table[mb_index] = 0; yading@10: } yading@10: } yading@10: } yading@10: } yading@10: yading@10: void ff_print_debug_info(MpegEncContext *s, Picture *p, AVFrame *pict) yading@10: { yading@10: ff_print_debug_info2(s->avctx, p, pict, s->mbskip_table, &s->low_delay, yading@10: s->mb_width, s->mb_height, s->mb_stride, s->quarter_sample); yading@10: } yading@10: yading@10: int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type) yading@10: { yading@10: AVBufferRef *ref = av_buffer_ref(p->qscale_table_buf); yading@10: int offset = 2*s->mb_stride + 1; yading@10: if(!ref) yading@10: return AVERROR(ENOMEM); yading@10: av_assert0(ref->size >= offset + s->mb_stride * ((f->height+15)/16)); yading@10: ref->size -= offset; yading@10: ref->data += offset; yading@10: return av_frame_set_qp_table(f, ref, s->mb_stride, qp_type); yading@10: } yading@10: yading@10: static inline int hpel_motion_lowres(MpegEncContext *s, yading@10: uint8_t *dest, uint8_t *src, yading@10: int field_based, int field_select, yading@10: int src_x, int src_y, yading@10: int width, int height, int stride, yading@10: int h_edge_pos, int v_edge_pos, yading@10: int w, int h, h264_chroma_mc_func *pix_op, yading@10: int motion_x, int motion_y) yading@10: { yading@10: const int lowres = s->avctx->lowres; yading@10: const int op_index = FFMIN(lowres, 2); yading@10: const int s_mask = (2 << lowres) - 1; yading@10: int emu = 0; yading@10: int sx, sy; yading@10: yading@10: if (s->quarter_sample) { yading@10: motion_x /= 2; yading@10: motion_y /= 2; yading@10: } yading@10: yading@10: sx = motion_x & s_mask; yading@10: sy = motion_y & s_mask; yading@10: src_x += motion_x >> lowres + 1; yading@10: src_y += motion_y >> lowres + 1; yading@10: yading@10: src += src_y * stride + src_x; yading@10: yading@10: if ((unsigned)src_x > FFMAX( h_edge_pos - (!!sx) - w, 0) || yading@10: (unsigned)src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w + 1, yading@10: (h + 1) << field_based, src_x, yading@10: src_y << field_based, yading@10: h_edge_pos, yading@10: v_edge_pos); yading@10: src = s->edge_emu_buffer; yading@10: emu = 1; yading@10: } yading@10: yading@10: sx = (sx << 2) >> lowres; yading@10: sy = (sy << 2) >> lowres; yading@10: if (field_select) yading@10: src += s->linesize; yading@10: pix_op[op_index](dest, src, stride, h, sx, sy); yading@10: return emu; yading@10: } yading@10: yading@10: /* apply one mpeg motion vector to the three components */ yading@10: static av_always_inline void mpeg_motion_lowres(MpegEncContext *s, yading@10: uint8_t *dest_y, yading@10: uint8_t *dest_cb, yading@10: uint8_t *dest_cr, yading@10: int field_based, yading@10: int bottom_field, yading@10: int field_select, yading@10: uint8_t **ref_picture, yading@10: h264_chroma_mc_func *pix_op, yading@10: int motion_x, int motion_y, yading@10: int h, int mb_y) yading@10: { yading@10: uint8_t *ptr_y, *ptr_cb, *ptr_cr; yading@10: int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, uvlinesize, linesize, sx, sy, yading@10: uvsx, uvsy; yading@10: const int lowres = s->avctx->lowres; yading@10: const int op_index = FFMIN(lowres-1+s->chroma_x_shift, 2); yading@10: const int block_s = 8>>lowres; yading@10: const int s_mask = (2 << lowres) - 1; yading@10: const int h_edge_pos = s->h_edge_pos >> lowres; yading@10: const int v_edge_pos = s->v_edge_pos >> lowres; yading@10: linesize = s->current_picture.f.linesize[0] << field_based; yading@10: uvlinesize = s->current_picture.f.linesize[1] << field_based; yading@10: yading@10: // FIXME obviously not perfect but qpel will not work in lowres anyway yading@10: if (s->quarter_sample) { yading@10: motion_x /= 2; yading@10: motion_y /= 2; yading@10: } yading@10: yading@10: if(field_based){ yading@10: motion_y += (bottom_field - field_select)*((1 << lowres)-1); yading@10: } yading@10: yading@10: sx = motion_x & s_mask; yading@10: sy = motion_y & s_mask; yading@10: src_x = s->mb_x * 2 * block_s + (motion_x >> lowres + 1); yading@10: src_y = (mb_y * 2 * block_s >> field_based) + (motion_y >> lowres + 1); yading@10: yading@10: if (s->out_format == FMT_H263) { yading@10: uvsx = ((motion_x >> 1) & s_mask) | (sx & 1); yading@10: uvsy = ((motion_y >> 1) & s_mask) | (sy & 1); yading@10: uvsrc_x = src_x >> 1; yading@10: uvsrc_y = src_y >> 1; yading@10: } else if (s->out_format == FMT_H261) { yading@10: // even chroma mv's are full pel in H261 yading@10: mx = motion_x / 4; yading@10: my = motion_y / 4; yading@10: uvsx = (2 * mx) & s_mask; yading@10: uvsy = (2 * my) & s_mask; yading@10: uvsrc_x = s->mb_x * block_s + (mx >> lowres); yading@10: uvsrc_y = mb_y * block_s + (my >> lowres); yading@10: } else { yading@10: if(s->chroma_y_shift){ yading@10: mx = motion_x / 2; yading@10: my = motion_y / 2; yading@10: uvsx = mx & s_mask; yading@10: uvsy = my & s_mask; yading@10: uvsrc_x = s->mb_x * block_s + (mx >> lowres + 1); yading@10: uvsrc_y = (mb_y * block_s >> field_based) + (my >> lowres + 1); yading@10: } else { yading@10: if(s->chroma_x_shift){ yading@10: //Chroma422 yading@10: mx = motion_x / 2; yading@10: uvsx = mx & s_mask; yading@10: uvsy = motion_y & s_mask; yading@10: uvsrc_y = src_y; yading@10: uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1)); yading@10: } else { yading@10: //Chroma444 yading@10: uvsx = motion_x & s_mask; yading@10: uvsy = motion_y & s_mask; yading@10: uvsrc_x = src_x; yading@10: uvsrc_y = src_y; yading@10: } yading@10: } yading@10: } yading@10: yading@10: ptr_y = ref_picture[0] + src_y * linesize + src_x; yading@10: ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x; yading@10: ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x; yading@10: yading@10: if ((unsigned) src_x > FFMAX( h_edge_pos - (!!sx) - 2 * block_s, 0) || yading@10: (unsigned) src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr_y, yading@10: linesize >> field_based, 17, 17 + field_based, yading@10: src_x, src_y << field_based, h_edge_pos, yading@10: v_edge_pos); yading@10: ptr_y = s->edge_emu_buffer; yading@10: if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) { yading@10: uint8_t *uvbuf = s->edge_emu_buffer + 18 * s->linesize; yading@10: s->vdsp.emulated_edge_mc(uvbuf , ptr_cb, uvlinesize >> field_based, 9, yading@10: 9 + field_based, yading@10: uvsrc_x, uvsrc_y << field_based, yading@10: h_edge_pos >> 1, v_edge_pos >> 1); yading@10: s->vdsp.emulated_edge_mc(uvbuf + 16, ptr_cr, uvlinesize >> field_based, 9, yading@10: 9 + field_based, yading@10: uvsrc_x, uvsrc_y << field_based, yading@10: h_edge_pos >> 1, v_edge_pos >> 1); yading@10: ptr_cb = uvbuf; yading@10: ptr_cr = uvbuf + 16; yading@10: } yading@10: } yading@10: yading@10: // FIXME use this for field pix too instead of the obnoxious hack which changes picture.f.data yading@10: if (bottom_field) { yading@10: dest_y += s->linesize; yading@10: dest_cb += s->uvlinesize; yading@10: dest_cr += s->uvlinesize; yading@10: } yading@10: yading@10: if (field_select) { yading@10: ptr_y += s->linesize; yading@10: ptr_cb += s->uvlinesize; yading@10: ptr_cr += s->uvlinesize; yading@10: } yading@10: yading@10: sx = (sx << 2) >> lowres; yading@10: sy = (sy << 2) >> lowres; yading@10: pix_op[lowres - 1](dest_y, ptr_y, linesize, h, sx, sy); yading@10: yading@10: if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) { yading@10: uvsx = (uvsx << 2) >> lowres; yading@10: uvsy = (uvsy << 2) >> lowres; yading@10: if (h >> s->chroma_y_shift) { yading@10: pix_op[op_index](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); yading@10: pix_op[op_index](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); yading@10: } yading@10: } yading@10: // FIXME h261 lowres loop filter yading@10: } yading@10: yading@10: static inline void chroma_4mv_motion_lowres(MpegEncContext *s, yading@10: uint8_t *dest_cb, uint8_t *dest_cr, yading@10: uint8_t **ref_picture, yading@10: h264_chroma_mc_func * pix_op, yading@10: int mx, int my) yading@10: { yading@10: const int lowres = s->avctx->lowres; yading@10: const int op_index = FFMIN(lowres, 2); yading@10: const int block_s = 8 >> lowres; yading@10: const int s_mask = (2 << lowres) - 1; yading@10: const int h_edge_pos = s->h_edge_pos >> lowres + 1; yading@10: const int v_edge_pos = s->v_edge_pos >> lowres + 1; yading@10: int emu = 0, src_x, src_y, offset, sx, sy; yading@10: uint8_t *ptr; yading@10: yading@10: if (s->quarter_sample) { yading@10: mx /= 2; yading@10: my /= 2; yading@10: } yading@10: yading@10: /* In case of 8X8, we construct a single chroma motion vector yading@10: with a special rounding */ yading@10: mx = ff_h263_round_chroma(mx); yading@10: my = ff_h263_round_chroma(my); yading@10: yading@10: sx = mx & s_mask; yading@10: sy = my & s_mask; yading@10: src_x = s->mb_x * block_s + (mx >> lowres + 1); yading@10: src_y = s->mb_y * block_s + (my >> lowres + 1); yading@10: yading@10: offset = src_y * s->uvlinesize + src_x; yading@10: ptr = ref_picture[1] + offset; yading@10: if (s->flags & CODEC_FLAG_EMU_EDGE) { yading@10: if ((unsigned) src_x > FFMAX(h_edge_pos - (!!sx) - block_s, 0) || yading@10: (unsigned) src_y > FFMAX(v_edge_pos - (!!sy) - block_s, 0)) { yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, yading@10: 9, 9, src_x, src_y, h_edge_pos, v_edge_pos); yading@10: ptr = s->edge_emu_buffer; yading@10: emu = 1; yading@10: } yading@10: } yading@10: sx = (sx << 2) >> lowres; yading@10: sy = (sy << 2) >> lowres; yading@10: pix_op[op_index](dest_cb, ptr, s->uvlinesize, block_s, sx, sy); yading@10: yading@10: ptr = ref_picture[2] + offset; yading@10: if (emu) { yading@10: s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, yading@10: src_x, src_y, h_edge_pos, v_edge_pos); yading@10: ptr = s->edge_emu_buffer; yading@10: } yading@10: pix_op[op_index](dest_cr, ptr, s->uvlinesize, block_s, sx, sy); yading@10: } yading@10: yading@10: /** yading@10: * motion compensation of a single macroblock yading@10: * @param s context yading@10: * @param dest_y luma destination pointer yading@10: * @param dest_cb chroma cb/u destination pointer yading@10: * @param dest_cr chroma cr/v destination pointer yading@10: * @param dir direction (0->forward, 1->backward) yading@10: * @param ref_picture array[3] of pointers to the 3 planes of the reference picture yading@10: * @param pix_op halfpel motion compensation function (average or put normally) yading@10: * the motion vectors are taken from s->mv and the MV type from s->mv_type yading@10: */ yading@10: static inline void MPV_motion_lowres(MpegEncContext *s, yading@10: uint8_t *dest_y, uint8_t *dest_cb, yading@10: uint8_t *dest_cr, yading@10: int dir, uint8_t **ref_picture, yading@10: h264_chroma_mc_func *pix_op) yading@10: { yading@10: int mx, my; yading@10: int mb_x, mb_y, i; yading@10: const int lowres = s->avctx->lowres; yading@10: const int block_s = 8 >>lowres; yading@10: yading@10: mb_x = s->mb_x; yading@10: mb_y = s->mb_y; yading@10: yading@10: switch (s->mv_type) { yading@10: case MV_TYPE_16X16: yading@10: mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, yading@10: 0, 0, 0, yading@10: ref_picture, pix_op, yading@10: s->mv[dir][0][0], s->mv[dir][0][1], yading@10: 2 * block_s, mb_y); yading@10: break; yading@10: case MV_TYPE_8X8: yading@10: mx = 0; yading@10: my = 0; yading@10: for (i = 0; i < 4; i++) { yading@10: hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) * yading@10: s->linesize) * block_s, yading@10: ref_picture[0], 0, 0, yading@10: (2 * mb_x + (i & 1)) * block_s, yading@10: (2 * mb_y + (i >> 1)) * block_s, yading@10: s->width, s->height, s->linesize, yading@10: s->h_edge_pos >> lowres, s->v_edge_pos >> lowres, yading@10: block_s, block_s, pix_op, yading@10: s->mv[dir][i][0], s->mv[dir][i][1]); yading@10: yading@10: mx += s->mv[dir][i][0]; yading@10: my += s->mv[dir][i][1]; yading@10: } yading@10: yading@10: if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) yading@10: chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture, yading@10: pix_op, mx, my); yading@10: break; yading@10: case MV_TYPE_FIELD: yading@10: if (s->picture_structure == PICT_FRAME) { yading@10: /* top field */ yading@10: mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, yading@10: 1, 0, s->field_select[dir][0], yading@10: ref_picture, pix_op, yading@10: s->mv[dir][0][0], s->mv[dir][0][1], yading@10: block_s, mb_y); yading@10: /* bottom field */ yading@10: mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, yading@10: 1, 1, s->field_select[dir][1], yading@10: ref_picture, pix_op, yading@10: s->mv[dir][1][0], s->mv[dir][1][1], yading@10: block_s, mb_y); yading@10: } else { yading@10: if (s->picture_structure != s->field_select[dir][0] + 1 && yading@10: s->pict_type != AV_PICTURE_TYPE_B && !s->first_field) { yading@10: ref_picture = s->current_picture_ptr->f.data; yading@10: yading@10: } yading@10: mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, yading@10: 0, 0, s->field_select[dir][0], yading@10: ref_picture, pix_op, yading@10: s->mv[dir][0][0], yading@10: s->mv[dir][0][1], 2 * block_s, mb_y >> 1); yading@10: } yading@10: break; yading@10: case MV_TYPE_16X8: yading@10: for (i = 0; i < 2; i++) { yading@10: uint8_t **ref2picture; yading@10: yading@10: if (s->picture_structure == s->field_select[dir][i] + 1 || yading@10: s->pict_type == AV_PICTURE_TYPE_B || s->first_field) { yading@10: ref2picture = ref_picture; yading@10: } else { yading@10: ref2picture = s->current_picture_ptr->f.data; yading@10: } yading@10: yading@10: mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, yading@10: 0, 0, s->field_select[dir][i], yading@10: ref2picture, pix_op, yading@10: s->mv[dir][i][0], s->mv[dir][i][1] + yading@10: 2 * block_s * i, block_s, mb_y >> 1); yading@10: yading@10: dest_y += 2 * block_s * s->linesize; yading@10: dest_cb += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize; yading@10: dest_cr += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize; yading@10: } yading@10: break; yading@10: case MV_TYPE_DMV: yading@10: if (s->picture_structure == PICT_FRAME) { yading@10: for (i = 0; i < 2; i++) { yading@10: int j; yading@10: for (j = 0; j < 2; j++) { yading@10: mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, yading@10: 1, j, j ^ i, yading@10: ref_picture, pix_op, yading@10: s->mv[dir][2 * i + j][0], yading@10: s->mv[dir][2 * i + j][1], yading@10: block_s, mb_y); yading@10: } yading@10: pix_op = s->h264chroma.avg_h264_chroma_pixels_tab; yading@10: } yading@10: } else { yading@10: for (i = 0; i < 2; i++) { yading@10: mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, yading@10: 0, 0, s->picture_structure != i + 1, yading@10: ref_picture, pix_op, yading@10: s->mv[dir][2 * i][0],s->mv[dir][2 * i][1], yading@10: 2 * block_s, mb_y >> 1); yading@10: yading@10: // after put we make avg of the same block yading@10: pix_op = s->h264chroma.avg_h264_chroma_pixels_tab; yading@10: yading@10: // opposite parity is always in the same yading@10: // frame if this is second field yading@10: if (!s->first_field) { yading@10: ref_picture = s->current_picture_ptr->f.data; yading@10: } yading@10: } yading@10: } yading@10: break; yading@10: default: yading@10: av_assert2(0); yading@10: } yading@10: } yading@10: yading@10: /** yading@10: * find the lowest MB row referenced in the MVs yading@10: */ yading@10: int ff_MPV_lowest_referenced_row(MpegEncContext *s, int dir) yading@10: { yading@10: int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample; yading@10: int my, off, i, mvs; yading@10: yading@10: if (s->picture_structure != PICT_FRAME || s->mcsel) yading@10: goto unhandled; yading@10: yading@10: switch (s->mv_type) { yading@10: case MV_TYPE_16X16: yading@10: mvs = 1; yading@10: break; yading@10: case MV_TYPE_16X8: yading@10: mvs = 2; yading@10: break; yading@10: case MV_TYPE_8X8: yading@10: mvs = 4; yading@10: break; yading@10: default: yading@10: goto unhandled; yading@10: } yading@10: yading@10: for (i = 0; i < mvs; i++) { yading@10: my = s->mv[dir][i][1]<> 6; yading@10: yading@10: return FFMIN(FFMAX(s->mb_y + off, 0), s->mb_height-1); yading@10: unhandled: yading@10: return s->mb_height-1; yading@10: } yading@10: yading@10: /* put block[] to dest[] */ yading@10: static inline void put_dct(MpegEncContext *s, yading@10: int16_t *block, int i, uint8_t *dest, int line_size, int qscale) yading@10: { yading@10: s->dct_unquantize_intra(s, block, i, qscale); yading@10: s->dsp.idct_put (dest, line_size, block); yading@10: } yading@10: yading@10: /* add block[] to dest[] */ yading@10: static inline void add_dct(MpegEncContext *s, yading@10: int16_t *block, int i, uint8_t *dest, int line_size) yading@10: { yading@10: if (s->block_last_index[i] >= 0) { yading@10: s->dsp.idct_add (dest, line_size, block); yading@10: } yading@10: } yading@10: yading@10: static inline void add_dequant_dct(MpegEncContext *s, yading@10: int16_t *block, int i, uint8_t *dest, int line_size, int qscale) yading@10: { yading@10: if (s->block_last_index[i] >= 0) { yading@10: s->dct_unquantize_inter(s, block, i, qscale); yading@10: yading@10: s->dsp.idct_add (dest, line_size, block); yading@10: } yading@10: } yading@10: yading@10: /** yading@10: * Clean dc, ac, coded_block for the current non-intra MB. yading@10: */ yading@10: void ff_clean_intra_table_entries(MpegEncContext *s) yading@10: { yading@10: int wrap = s->b8_stride; yading@10: int xy = s->block_index[0]; yading@10: yading@10: s->dc_val[0][xy ] = yading@10: s->dc_val[0][xy + 1 ] = yading@10: s->dc_val[0][xy + wrap] = yading@10: s->dc_val[0][xy + 1 + wrap] = 1024; yading@10: /* ac pred */ yading@10: memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t)); yading@10: memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t)); yading@10: if (s->msmpeg4_version>=3) { yading@10: s->coded_block[xy ] = yading@10: s->coded_block[xy + 1 ] = yading@10: s->coded_block[xy + wrap] = yading@10: s->coded_block[xy + 1 + wrap] = 0; yading@10: } yading@10: /* chroma */ yading@10: wrap = s->mb_stride; yading@10: xy = s->mb_x + s->mb_y * wrap; yading@10: s->dc_val[1][xy] = yading@10: s->dc_val[2][xy] = 1024; yading@10: /* ac pred */ yading@10: memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t)); yading@10: memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t)); yading@10: yading@10: s->mbintra_table[xy]= 0; yading@10: } yading@10: yading@10: /* generic function called after a macroblock has been parsed by the yading@10: decoder or after it has been encoded by the encoder. yading@10: yading@10: Important variables used: yading@10: s->mb_intra : true if intra macroblock yading@10: s->mv_dir : motion vector direction yading@10: s->mv_type : motion vector type yading@10: s->mv : motion vector yading@10: s->interlaced_dct : true if interlaced dct used (mpeg2) yading@10: */ yading@10: static av_always_inline yading@10: void MPV_decode_mb_internal(MpegEncContext *s, int16_t block[12][64], yading@10: int lowres_flag, int is_mpeg12) yading@10: { yading@10: const int mb_xy = s->mb_y * s->mb_stride + s->mb_x; yading@10: if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){ yading@10: ff_xvmc_decode_mb(s);//xvmc uses pblocks yading@10: return; yading@10: } yading@10: yading@10: if(s->avctx->debug&FF_DEBUG_DCT_COEFF) { yading@10: /* print DCT coefficients */ yading@10: int i,j; yading@10: av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y); yading@10: for(i=0; i<6; i++){ yading@10: for(j=0; j<64; j++){ yading@10: av_log(s->avctx, AV_LOG_DEBUG, "%5d", block[i][s->dsp.idct_permutation[j]]); yading@10: } yading@10: av_log(s->avctx, AV_LOG_DEBUG, "\n"); yading@10: } yading@10: } yading@10: yading@10: s->current_picture.qscale_table[mb_xy] = s->qscale; yading@10: yading@10: /* update DC predictors for P macroblocks */ yading@10: if (!s->mb_intra) { yading@10: if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) { yading@10: if(s->mbintra_table[mb_xy]) yading@10: ff_clean_intra_table_entries(s); yading@10: } else { yading@10: s->last_dc[0] = yading@10: s->last_dc[1] = yading@10: s->last_dc[2] = 128 << s->intra_dc_precision; yading@10: } yading@10: } yading@10: else if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) yading@10: s->mbintra_table[mb_xy]=1; yading@10: yading@10: if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==AV_PICTURE_TYPE_B) && s->avctx->mb_decision != FF_MB_DECISION_RD)) { //FIXME precalc yading@10: uint8_t *dest_y, *dest_cb, *dest_cr; yading@10: int dct_linesize, dct_offset; yading@10: op_pixels_func (*op_pix)[4]; yading@10: qpel_mc_func (*op_qpix)[16]; yading@10: const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics yading@10: const int uvlinesize = s->current_picture.f.linesize[1]; yading@10: const int readable= s->pict_type != AV_PICTURE_TYPE_B || s->encoding || s->avctx->draw_horiz_band || lowres_flag; yading@10: const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8; yading@10: yading@10: /* avoid copy if macroblock skipped in last frame too */ yading@10: /* skip only during decoding as we might trash the buffers during encoding a bit */ yading@10: if(!s->encoding){ yading@10: uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy]; yading@10: yading@10: if (s->mb_skipped) { yading@10: s->mb_skipped= 0; yading@10: av_assert2(s->pict_type!=AV_PICTURE_TYPE_I); yading@10: *mbskip_ptr = 1; yading@10: } else if(!s->current_picture.reference) { yading@10: *mbskip_ptr = 1; yading@10: } else{ yading@10: *mbskip_ptr = 0; /* not skipped */ yading@10: } yading@10: } yading@10: yading@10: dct_linesize = linesize << s->interlaced_dct; yading@10: dct_offset = s->interlaced_dct ? linesize : linesize * block_size; yading@10: yading@10: if(readable){ yading@10: dest_y= s->dest[0]; yading@10: dest_cb= s->dest[1]; yading@10: dest_cr= s->dest[2]; yading@10: }else{ yading@10: dest_y = s->b_scratchpad; yading@10: dest_cb= s->b_scratchpad+16*linesize; yading@10: dest_cr= s->b_scratchpad+32*linesize; yading@10: } yading@10: yading@10: if (!s->mb_intra) { yading@10: /* motion handling */ yading@10: /* decoding or more than one mb_type (MC was already done otherwise) */ yading@10: if(!s->encoding){ yading@10: yading@10: if(HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) { yading@10: if (s->mv_dir & MV_DIR_FORWARD) { yading@10: ff_thread_await_progress(&s->last_picture_ptr->tf, yading@10: ff_MPV_lowest_referenced_row(s, 0), yading@10: 0); yading@10: } yading@10: if (s->mv_dir & MV_DIR_BACKWARD) { yading@10: ff_thread_await_progress(&s->next_picture_ptr->tf, yading@10: ff_MPV_lowest_referenced_row(s, 1), yading@10: 0); yading@10: } yading@10: } yading@10: yading@10: if(lowres_flag){ yading@10: h264_chroma_mc_func *op_pix = s->h264chroma.put_h264_chroma_pixels_tab; yading@10: yading@10: if (s->mv_dir & MV_DIR_FORWARD) { yading@10: MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix); yading@10: op_pix = s->h264chroma.avg_h264_chroma_pixels_tab; yading@10: } yading@10: if (s->mv_dir & MV_DIR_BACKWARD) { yading@10: MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix); yading@10: } yading@10: }else{ yading@10: op_qpix= s->me.qpel_put; yading@10: if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){ yading@10: op_pix = s->hdsp.put_pixels_tab; yading@10: }else{ yading@10: op_pix = s->hdsp.put_no_rnd_pixels_tab; yading@10: } yading@10: if (s->mv_dir & MV_DIR_FORWARD) { yading@10: ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix, op_qpix); yading@10: op_pix = s->hdsp.avg_pixels_tab; yading@10: op_qpix= s->me.qpel_avg; yading@10: } yading@10: if (s->mv_dir & MV_DIR_BACKWARD) { yading@10: ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix, op_qpix); yading@10: } yading@10: } yading@10: } yading@10: yading@10: /* skip dequant / idct if we are really late ;) */ yading@10: if(s->avctx->skip_idct){ yading@10: if( (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) yading@10: ||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) yading@10: || s->avctx->skip_idct >= AVDISCARD_ALL) yading@10: goto skip_idct; yading@10: } yading@10: yading@10: /* add dct residue */ yading@10: if(s->encoding || !( s->msmpeg4_version || s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO yading@10: || (s->codec_id==AV_CODEC_ID_MPEG4 && !s->mpeg_quant))){ yading@10: add_dequant_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); yading@10: add_dequant_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); yading@10: add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); yading@10: add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); yading@10: yading@10: if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ yading@10: if (s->chroma_y_shift){ yading@10: add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); yading@10: add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); yading@10: }else{ yading@10: dct_linesize >>= 1; yading@10: dct_offset >>=1; yading@10: add_dequant_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); yading@10: add_dequant_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); yading@10: add_dequant_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); yading@10: add_dequant_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); yading@10: } yading@10: } yading@10: } else if(is_mpeg12 || (s->codec_id != AV_CODEC_ID_WMV2)){ yading@10: add_dct(s, block[0], 0, dest_y , dct_linesize); yading@10: add_dct(s, block[1], 1, dest_y + block_size, dct_linesize); yading@10: add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize); yading@10: add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize); yading@10: yading@10: if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ yading@10: if(s->chroma_y_shift){//Chroma420 yading@10: add_dct(s, block[4], 4, dest_cb, uvlinesize); yading@10: add_dct(s, block[5], 5, dest_cr, uvlinesize); yading@10: }else{ yading@10: //chroma422 yading@10: dct_linesize = uvlinesize << s->interlaced_dct; yading@10: dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size; yading@10: yading@10: add_dct(s, block[4], 4, dest_cb, dct_linesize); yading@10: add_dct(s, block[5], 5, dest_cr, dct_linesize); yading@10: add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize); yading@10: add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize); yading@10: if(!s->chroma_x_shift){//Chroma444 yading@10: add_dct(s, block[8], 8, dest_cb+block_size, dct_linesize); yading@10: add_dct(s, block[9], 9, dest_cr+block_size, dct_linesize); yading@10: add_dct(s, block[10], 10, dest_cb+block_size+dct_offset, dct_linesize); yading@10: add_dct(s, block[11], 11, dest_cr+block_size+dct_offset, dct_linesize); yading@10: } yading@10: } yading@10: }//fi gray yading@10: } yading@10: else if (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) { yading@10: ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr); yading@10: } yading@10: } else { yading@10: /* dct only in intra block */ yading@10: if(s->encoding || !(s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO)){ yading@10: put_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); yading@10: put_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); yading@10: put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); yading@10: put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); yading@10: yading@10: if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ yading@10: if(s->chroma_y_shift){ yading@10: put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); yading@10: put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); yading@10: }else{ yading@10: dct_offset >>=1; yading@10: dct_linesize >>=1; yading@10: put_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); yading@10: put_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); yading@10: put_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); yading@10: put_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); yading@10: } yading@10: } yading@10: }else{ yading@10: s->dsp.idct_put(dest_y , dct_linesize, block[0]); yading@10: s->dsp.idct_put(dest_y + block_size, dct_linesize, block[1]); yading@10: s->dsp.idct_put(dest_y + dct_offset , dct_linesize, block[2]); yading@10: s->dsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]); yading@10: yading@10: if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ yading@10: if(s->chroma_y_shift){ yading@10: s->dsp.idct_put(dest_cb, uvlinesize, block[4]); yading@10: s->dsp.idct_put(dest_cr, uvlinesize, block[5]); yading@10: }else{ yading@10: yading@10: dct_linesize = uvlinesize << s->interlaced_dct; yading@10: dct_offset = s->interlaced_dct? uvlinesize : uvlinesize*block_size; yading@10: yading@10: s->dsp.idct_put(dest_cb, dct_linesize, block[4]); yading@10: s->dsp.idct_put(dest_cr, dct_linesize, block[5]); yading@10: s->dsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]); yading@10: s->dsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]); yading@10: if(!s->chroma_x_shift){//Chroma444 yading@10: s->dsp.idct_put(dest_cb + block_size, dct_linesize, block[8]); yading@10: s->dsp.idct_put(dest_cr + block_size, dct_linesize, block[9]); yading@10: s->dsp.idct_put(dest_cb + block_size + dct_offset, dct_linesize, block[10]); yading@10: s->dsp.idct_put(dest_cr + block_size + dct_offset, dct_linesize, block[11]); yading@10: } yading@10: } yading@10: }//gray yading@10: } yading@10: } yading@10: skip_idct: yading@10: if(!readable){ yading@10: s->hdsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16); yading@10: s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift); yading@10: s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[2], dest_cr, uvlinesize,16 >> s->chroma_y_shift); yading@10: } yading@10: } yading@10: } yading@10: yading@10: void ff_MPV_decode_mb(MpegEncContext *s, int16_t block[12][64]){ yading@10: #if !CONFIG_SMALL yading@10: if(s->out_format == FMT_MPEG1) { yading@10: if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 1); yading@10: else MPV_decode_mb_internal(s, block, 0, 1); yading@10: } else yading@10: #endif yading@10: if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 0); yading@10: else MPV_decode_mb_internal(s, block, 0, 0); yading@10: } yading@10: yading@10: /** yading@10: * @param h is the normal height, this will be reduced automatically if needed for the last row yading@10: */ yading@10: void ff_draw_horiz_band(AVCodecContext *avctx, DSPContext *dsp, Picture *cur, yading@10: Picture *last, int y, int h, int picture_structure, yading@10: int first_field, int draw_edges, int low_delay, yading@10: int v_edge_pos, int h_edge_pos) yading@10: { yading@10: const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); yading@10: int hshift = desc->log2_chroma_w; yading@10: int vshift = desc->log2_chroma_h; yading@10: const int field_pic = picture_structure != PICT_FRAME; yading@10: if(field_pic){ yading@10: h <<= 1; yading@10: y <<= 1; yading@10: } yading@10: yading@10: if (!avctx->hwaccel && yading@10: !(avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) && yading@10: draw_edges && yading@10: cur->reference && yading@10: !(avctx->flags & CODEC_FLAG_EMU_EDGE)) { yading@10: int *linesize = cur->f.linesize; yading@10: int sides = 0, edge_h; yading@10: if (y==0) sides |= EDGE_TOP; yading@10: if (y + h >= v_edge_pos) yading@10: sides |= EDGE_BOTTOM; yading@10: yading@10: edge_h= FFMIN(h, v_edge_pos - y); yading@10: yading@10: dsp->draw_edges(cur->f.data[0] + y * linesize[0], yading@10: linesize[0], h_edge_pos, edge_h, yading@10: EDGE_WIDTH, EDGE_WIDTH, sides); yading@10: dsp->draw_edges(cur->f.data[1] + (y >> vshift) * linesize[1], yading@10: linesize[1], h_edge_pos >> hshift, edge_h >> vshift, yading@10: EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, sides); yading@10: dsp->draw_edges(cur->f.data[2] + (y >> vshift) * linesize[2], yading@10: linesize[2], h_edge_pos >> hshift, edge_h >> vshift, yading@10: EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, sides); yading@10: } yading@10: yading@10: h = FFMIN(h, avctx->height - y); yading@10: yading@10: if(field_pic && first_field && !(avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return; yading@10: yading@10: if (avctx->draw_horiz_band) { yading@10: AVFrame *src; yading@10: int offset[AV_NUM_DATA_POINTERS]; yading@10: int i; yading@10: yading@10: if(cur->f.pict_type == AV_PICTURE_TYPE_B || low_delay || yading@10: (avctx->slice_flags & SLICE_FLAG_CODED_ORDER)) yading@10: src = &cur->f; yading@10: else if (last) yading@10: src = &last->f; yading@10: else yading@10: return; yading@10: yading@10: if (cur->f.pict_type == AV_PICTURE_TYPE_B && yading@10: picture_structure == PICT_FRAME && yading@10: avctx->codec_id != AV_CODEC_ID_SVQ3) { yading@10: for (i = 0; i < AV_NUM_DATA_POINTERS; i++) yading@10: offset[i] = 0; yading@10: }else{ yading@10: offset[0]= y * src->linesize[0]; yading@10: offset[1]= yading@10: offset[2]= (y >> vshift) * src->linesize[1]; yading@10: for (i = 3; i < AV_NUM_DATA_POINTERS; i++) yading@10: offset[i] = 0; yading@10: } yading@10: yading@10: emms_c(); yading@10: yading@10: avctx->draw_horiz_band(avctx, src, offset, yading@10: y, picture_structure, h); yading@10: } yading@10: } yading@10: yading@10: void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h) yading@10: { yading@10: int draw_edges = s->unrestricted_mv && !s->intra_only; yading@10: ff_draw_horiz_band(s->avctx, &s->dsp, &s->current_picture, yading@10: &s->last_picture, y, h, s->picture_structure, yading@10: s->first_field, draw_edges, s->low_delay, yading@10: s->v_edge_pos, s->h_edge_pos); yading@10: } yading@10: yading@10: void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename yading@10: const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics yading@10: const int uvlinesize = s->current_picture.f.linesize[1]; yading@10: const int mb_size= 4 - s->avctx->lowres; yading@10: yading@10: s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2; yading@10: s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2; yading@10: s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2; yading@10: s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2; yading@10: s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; yading@10: s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; yading@10: //block_index is not used by mpeg2, so it is not affected by chroma_format yading@10: yading@10: s->dest[0] = s->current_picture.f.data[0] + ((s->mb_x - 1) << mb_size); yading@10: s->dest[1] = s->current_picture.f.data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); yading@10: s->dest[2] = s->current_picture.f.data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); yading@10: yading@10: if(!(s->pict_type==AV_PICTURE_TYPE_B && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME)) yading@10: { yading@10: if(s->picture_structure==PICT_FRAME){ yading@10: s->dest[0] += s->mb_y * linesize << mb_size; yading@10: s->dest[1] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift); yading@10: s->dest[2] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift); yading@10: }else{ yading@10: s->dest[0] += (s->mb_y>>1) * linesize << mb_size; yading@10: s->dest[1] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift); yading@10: s->dest[2] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift); yading@10: av_assert1((s->mb_y&1) == (s->picture_structure == PICT_BOTTOM_FIELD)); yading@10: } yading@10: } yading@10: } yading@10: yading@10: /** yading@10: * Permute an 8x8 block. yading@10: * @param block the block which will be permuted according to the given permutation vector yading@10: * @param permutation the permutation vector yading@10: * @param last the last non zero coefficient in scantable order, used to speed the permutation up yading@10: * @param scantable the used scantable, this is only used to speed the permutation up, the block is not yading@10: * (inverse) permutated to scantable order! yading@10: */ yading@10: void ff_block_permute(int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last) yading@10: { yading@10: int i; yading@10: int16_t temp[64]; yading@10: yading@10: if(last<=0) return; yading@10: //if(permutation[1]==1) return; //FIXME it is ok but not clean and might fail for some permutations yading@10: yading@10: for(i=0; i<=last; i++){ yading@10: const int j= scantable[i]; yading@10: temp[j]= block[j]; yading@10: block[j]=0; yading@10: } yading@10: yading@10: for(i=0; i<=last; i++){ yading@10: const int j= scantable[i]; yading@10: const int perm_j= permutation[j]; yading@10: block[perm_j]= temp[j]; yading@10: } yading@10: } yading@10: yading@10: void ff_mpeg_flush(AVCodecContext *avctx){ yading@10: int i; yading@10: MpegEncContext *s = avctx->priv_data; yading@10: yading@10: if(s==NULL || s->picture==NULL) yading@10: return; yading@10: yading@10: for (i = 0; i < MAX_PICTURE_COUNT; i++) yading@10: ff_mpeg_unref_picture(s, &s->picture[i]); yading@10: s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL; yading@10: yading@10: s->mb_x= s->mb_y= 0; yading@10: s->closed_gop= 0; yading@10: yading@10: s->parse_context.state= -1; yading@10: s->parse_context.frame_start_found= 0; yading@10: s->parse_context.overread= 0; yading@10: s->parse_context.overread_index= 0; yading@10: s->parse_context.index= 0; yading@10: s->parse_context.last_index= 0; yading@10: s->bitstream_buffer_size=0; yading@10: s->pp_time=0; yading@10: } yading@10: yading@10: static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale) yading@10: { yading@10: int i, level, nCoeffs; yading@10: const uint16_t *quant_matrix; yading@10: yading@10: nCoeffs= s->block_last_index[n]; yading@10: yading@10: block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; yading@10: /* XXX: only mpeg1 */ yading@10: quant_matrix = s->intra_matrix; yading@10: for(i=1;i<=nCoeffs;i++) { yading@10: int j= s->intra_scantable.permutated[i]; yading@10: level = block[j]; yading@10: if (level) { yading@10: if (level < 0) { yading@10: level = -level; yading@10: level = (int)(level * qscale * quant_matrix[j]) >> 3; yading@10: level = (level - 1) | 1; yading@10: level = -level; yading@10: } else { yading@10: level = (int)(level * qscale * quant_matrix[j]) >> 3; yading@10: level = (level - 1) | 1; yading@10: } yading@10: block[j] = level; yading@10: } yading@10: } yading@10: } yading@10: yading@10: static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale) yading@10: { yading@10: int i, level, nCoeffs; yading@10: const uint16_t *quant_matrix; yading@10: yading@10: nCoeffs= s->block_last_index[n]; yading@10: yading@10: quant_matrix = s->inter_matrix; yading@10: for(i=0; i<=nCoeffs; i++) { yading@10: int j= s->intra_scantable.permutated[i]; yading@10: level = block[j]; yading@10: if (level) { yading@10: if (level < 0) { yading@10: level = -level; yading@10: level = (((level << 1) + 1) * qscale * yading@10: ((int) (quant_matrix[j]))) >> 4; yading@10: level = (level - 1) | 1; yading@10: level = -level; yading@10: } else { yading@10: level = (((level << 1) + 1) * qscale * yading@10: ((int) (quant_matrix[j]))) >> 4; yading@10: level = (level - 1) | 1; yading@10: } yading@10: block[j] = level; yading@10: } yading@10: } yading@10: } yading@10: yading@10: static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale) yading@10: { yading@10: int i, level, nCoeffs; yading@10: const uint16_t *quant_matrix; yading@10: yading@10: if(s->alternate_scan) nCoeffs= 63; yading@10: else nCoeffs= s->block_last_index[n]; yading@10: yading@10: block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; yading@10: quant_matrix = s->intra_matrix; yading@10: for(i=1;i<=nCoeffs;i++) { yading@10: int j= s->intra_scantable.permutated[i]; yading@10: level = block[j]; yading@10: if (level) { yading@10: if (level < 0) { yading@10: level = -level; yading@10: level = (int)(level * qscale * quant_matrix[j]) >> 3; yading@10: level = -level; yading@10: } else { yading@10: level = (int)(level * qscale * quant_matrix[j]) >> 3; yading@10: } yading@10: block[j] = level; yading@10: } yading@10: } yading@10: } yading@10: yading@10: static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale) yading@10: { yading@10: int i, level, nCoeffs; yading@10: const uint16_t *quant_matrix; yading@10: int sum=-1; yading@10: yading@10: if(s->alternate_scan) nCoeffs= 63; yading@10: else nCoeffs= s->block_last_index[n]; yading@10: yading@10: block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; yading@10: sum += block[0]; yading@10: quant_matrix = s->intra_matrix; yading@10: for(i=1;i<=nCoeffs;i++) { yading@10: int j= s->intra_scantable.permutated[i]; yading@10: level = block[j]; yading@10: if (level) { yading@10: if (level < 0) { yading@10: level = -level; yading@10: level = (int)(level * qscale * quant_matrix[j]) >> 3; yading@10: level = -level; yading@10: } else { yading@10: level = (int)(level * qscale * quant_matrix[j]) >> 3; yading@10: } yading@10: block[j] = level; yading@10: sum+=level; yading@10: } yading@10: } yading@10: block[63]^=sum&1; yading@10: } yading@10: yading@10: static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale) yading@10: { yading@10: int i, level, nCoeffs; yading@10: const uint16_t *quant_matrix; yading@10: int sum=-1; yading@10: yading@10: if(s->alternate_scan) nCoeffs= 63; yading@10: else nCoeffs= s->block_last_index[n]; yading@10: yading@10: quant_matrix = s->inter_matrix; yading@10: for(i=0; i<=nCoeffs; i++) { yading@10: int j= s->intra_scantable.permutated[i]; yading@10: level = block[j]; yading@10: if (level) { yading@10: if (level < 0) { yading@10: level = -level; yading@10: level = (((level << 1) + 1) * qscale * yading@10: ((int) (quant_matrix[j]))) >> 4; yading@10: level = -level; yading@10: } else { yading@10: level = (((level << 1) + 1) * qscale * yading@10: ((int) (quant_matrix[j]))) >> 4; yading@10: } yading@10: block[j] = level; yading@10: sum+=level; yading@10: } yading@10: } yading@10: block[63]^=sum&1; yading@10: } yading@10: yading@10: static void dct_unquantize_h263_intra_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale) yading@10: { yading@10: int i, level, qmul, qadd; yading@10: int nCoeffs; yading@10: yading@10: av_assert2(s->block_last_index[n]>=0); yading@10: yading@10: qmul = qscale << 1; yading@10: yading@10: if (!s->h263_aic) { yading@10: block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; yading@10: qadd = (qscale - 1) | 1; yading@10: }else{ yading@10: qadd = 0; yading@10: } yading@10: if(s->ac_pred) yading@10: nCoeffs=63; yading@10: else yading@10: nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; yading@10: yading@10: for(i=1; i<=nCoeffs; i++) { yading@10: level = block[i]; yading@10: if (level) { yading@10: if (level < 0) { yading@10: level = level * qmul - qadd; yading@10: } else { yading@10: level = level * qmul + qadd; yading@10: } yading@10: block[i] = level; yading@10: } yading@10: } yading@10: } yading@10: yading@10: static void dct_unquantize_h263_inter_c(MpegEncContext *s, yading@10: int16_t *block, int n, int qscale) yading@10: { yading@10: int i, level, qmul, qadd; yading@10: int nCoeffs; yading@10: yading@10: av_assert2(s->block_last_index[n]>=0); yading@10: yading@10: qadd = (qscale - 1) | 1; yading@10: qmul = qscale << 1; yading@10: yading@10: nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; yading@10: yading@10: for(i=0; i<=nCoeffs; i++) { yading@10: level = block[i]; yading@10: if (level) { yading@10: if (level < 0) { yading@10: level = level * qmul - qadd; yading@10: } else { yading@10: level = level * qmul + qadd; yading@10: } yading@10: block[i] = level; yading@10: } yading@10: } yading@10: } yading@10: yading@10: /** yading@10: * set qscale and update qscale dependent variables. yading@10: */ yading@10: void ff_set_qscale(MpegEncContext * s, int qscale) yading@10: { yading@10: if (qscale < 1) yading@10: qscale = 1; yading@10: else if (qscale > 31) yading@10: qscale = 31; yading@10: yading@10: s->qscale = qscale; yading@10: s->chroma_qscale= s->chroma_qscale_table[qscale]; yading@10: yading@10: s->y_dc_scale= s->y_dc_scale_table[ qscale ]; yading@10: s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ]; yading@10: } yading@10: yading@10: void ff_MPV_report_decode_progress(MpegEncContext *s) yading@10: { yading@10: if (s->pict_type != AV_PICTURE_TYPE_B && !s->partitioned_frame && !s->er.error_occurred) yading@10: ff_thread_report_progress(&s->current_picture_ptr->tf, s->mb_y, 0); yading@10: } yading@10: yading@10: #if CONFIG_ERROR_RESILIENCE yading@10: void ff_mpeg_er_frame_start(MpegEncContext *s) yading@10: { yading@10: ERContext *er = &s->er; yading@10: yading@10: er->cur_pic = s->current_picture_ptr; yading@10: er->last_pic = s->last_picture_ptr; yading@10: er->next_pic = s->next_picture_ptr; yading@10: yading@10: er->pp_time = s->pp_time; yading@10: er->pb_time = s->pb_time; yading@10: er->quarter_sample = s->quarter_sample; yading@10: er->partitioned_frame = s->partitioned_frame; yading@10: yading@10: ff_er_frame_start(er); yading@10: } yading@10: #endif /* CONFIG_ERROR_RESILIENCE */