yading@10: /* yading@10: * Copyright (C) 2009 David Conrad 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: #include "dsputil.h" yading@10: #include "diracdsp.h" yading@10: #include "libavcodec/x86/diracdsp_mmx.h" yading@10: yading@10: #define FILTER(src, stride) \ yading@10: ((21*((src)[ 0*stride] + (src)[1*stride]) \ yading@10: -7*((src)[-1*stride] + (src)[2*stride]) \ yading@10: +3*((src)[-2*stride] + (src)[3*stride]) \ yading@10: -1*((src)[-3*stride] + (src)[4*stride]) + 16) >> 5) yading@10: yading@10: static void dirac_hpel_filter(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, yading@10: int stride, int width, int height) yading@10: { yading@10: int x, y; yading@10: yading@10: for (y = 0; y < height; y++) { yading@10: for (x = -3; x < width+5; x++) yading@10: dstv[x] = av_clip_uint8(FILTER(src+x, stride)); yading@10: yading@10: for (x = 0; x < width; x++) yading@10: dstc[x] = av_clip_uint8(FILTER(dstv+x, 1)); yading@10: yading@10: for (x = 0; x < width; x++) yading@10: dsth[x] = av_clip_uint8(FILTER(src+x, 1)); yading@10: yading@10: src += stride; yading@10: dsth += stride; yading@10: dstv += stride; yading@10: dstc += stride; yading@10: } yading@10: } yading@10: yading@10: #define PIXOP_BILINEAR(PFX, OP, WIDTH) \ yading@10: static void ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c(uint8_t *dst, const uint8_t *src[5], int stride, int h) \ yading@10: { \ yading@10: int x; \ yading@10: const uint8_t *s0 = src[0]; \ yading@10: const uint8_t *s1 = src[1]; \ yading@10: const uint8_t *s2 = src[2]; \ yading@10: const uint8_t *s3 = src[3]; \ yading@10: const uint8_t *w = src[4]; \ yading@10: \ yading@10: while (h--) { \ yading@10: for (x = 0; x < WIDTH; x++) { \ yading@10: OP(dst[x], (s0[x]*w[0] + s1[x]*w[1] + s2[x]*w[2] + s3[x]*w[3] + 8) >> 4); \ yading@10: } \ yading@10: \ yading@10: dst += stride; \ yading@10: s0 += stride; \ yading@10: s1 += stride; \ yading@10: s2 += stride; \ yading@10: s3 += stride; \ yading@10: } \ yading@10: } yading@10: yading@10: #define OP_PUT(dst, val) (dst) = (val) yading@10: #define OP_AVG(dst, val) (dst) = (((dst) + (val) + 1)>>1) yading@10: yading@10: PIXOP_BILINEAR(put, OP_PUT, 8) yading@10: PIXOP_BILINEAR(put, OP_PUT, 16) yading@10: PIXOP_BILINEAR(put, OP_PUT, 32) yading@10: PIXOP_BILINEAR(avg, OP_AVG, 8) yading@10: PIXOP_BILINEAR(avg, OP_AVG, 16) yading@10: PIXOP_BILINEAR(avg, OP_AVG, 32) yading@10: yading@10: #define op_scale1(x) block[x] = av_clip_uint8( (block[x]*weight + (1<<(log2_denom-1))) >> log2_denom) yading@10: #define op_scale2(x) dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + (1<<(log2_denom-1))) >> log2_denom) yading@10: yading@10: #define DIRAC_WEIGHT(W) \ yading@10: static void weight_dirac_pixels ## W ## _c(uint8_t *block, int stride, int log2_denom, \ yading@10: int weight, int h) { \ yading@10: int x; \ yading@10: while (h--) { \ yading@10: for (x = 0; x < W; x++) { \ yading@10: op_scale1(x); \ yading@10: op_scale1(x+1); \ yading@10: } \ yading@10: block += stride; \ yading@10: } \ yading@10: } \ yading@10: static void biweight_dirac_pixels ## W ## _c(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, \ yading@10: int weightd, int weights, int h) { \ yading@10: int x; \ yading@10: while (h--) { \ yading@10: for (x = 0; x < W; x++) { \ yading@10: op_scale2(x); \ yading@10: op_scale2(x+1); \ yading@10: } \ yading@10: dst += stride; \ yading@10: src += stride; \ yading@10: } \ yading@10: } yading@10: yading@10: DIRAC_WEIGHT(8) yading@10: DIRAC_WEIGHT(16) yading@10: DIRAC_WEIGHT(32) yading@10: yading@10: #define ADD_OBMC(xblen) \ yading@10: static void add_obmc ## xblen ## _c(uint16_t *dst, const uint8_t *src, int stride, \ yading@10: const uint8_t *obmc_weight, int yblen) \ yading@10: { \ yading@10: int x; \ yading@10: while (yblen--) { \ yading@10: for (x = 0; x < xblen; x += 2) { \ yading@10: dst[x ] += src[x ] * obmc_weight[x ]; \ yading@10: dst[x+1] += src[x+1] * obmc_weight[x+1]; \ yading@10: } \ yading@10: dst += stride; \ yading@10: src += stride; \ yading@10: obmc_weight += 32; \ yading@10: } \ yading@10: } yading@10: yading@10: ADD_OBMC(8) yading@10: ADD_OBMC(16) yading@10: ADD_OBMC(32) yading@10: yading@10: static void put_signed_rect_clamped_c(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height) yading@10: { yading@10: int x, y; yading@10: for (y = 0; y < height; y++) { yading@10: for (x = 0; x < width; x+=4) { yading@10: dst[x ] = av_clip_uint8(src[x ] + 128); yading@10: dst[x+1] = av_clip_uint8(src[x+1] + 128); yading@10: dst[x+2] = av_clip_uint8(src[x+2] + 128); yading@10: dst[x+3] = av_clip_uint8(src[x+3] + 128); yading@10: } yading@10: dst += dst_stride; yading@10: src += src_stride; yading@10: } yading@10: } yading@10: yading@10: static void add_rect_clamped_c(uint8_t *dst, const uint16_t *src, int stride, yading@10: const int16_t *idwt, int idwt_stride, yading@10: int width, int height) yading@10: { yading@10: int x, y; yading@10: yading@10: for (y = 0; y < height; y++) { yading@10: for (x = 0; x < width; x+=2) { yading@10: dst[x ] = av_clip_uint8(((src[x ]+32)>>6) + idwt[x ]); yading@10: dst[x+1] = av_clip_uint8(((src[x+1]+32)>>6) + idwt[x+1]); yading@10: } yading@10: dst += stride; yading@10: src += stride; yading@10: idwt += idwt_stride; yading@10: } yading@10: } yading@10: yading@10: #define PIXFUNC(PFX, WIDTH) \ yading@10: c->PFX ## _dirac_pixels_tab[WIDTH>>4][0] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _c; \ yading@10: c->PFX ## _dirac_pixels_tab[WIDTH>>4][1] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l2_c; \ yading@10: c->PFX ## _dirac_pixels_tab[WIDTH>>4][2] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l4_c; \ yading@10: c->PFX ## _dirac_pixels_tab[WIDTH>>4][3] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c yading@10: yading@10: void ff_diracdsp_init(DiracDSPContext *c) yading@10: { yading@10: c->dirac_hpel_filter = dirac_hpel_filter; yading@10: c->add_rect_clamped = add_rect_clamped_c; yading@10: c->put_signed_rect_clamped = put_signed_rect_clamped_c; yading@10: yading@10: c->add_dirac_obmc[0] = add_obmc8_c; yading@10: c->add_dirac_obmc[1] = add_obmc16_c; yading@10: c->add_dirac_obmc[2] = add_obmc32_c; yading@10: yading@10: c->weight_dirac_pixels_tab[0] = weight_dirac_pixels8_c; yading@10: c->weight_dirac_pixels_tab[1] = weight_dirac_pixels16_c; yading@10: c->weight_dirac_pixels_tab[2] = weight_dirac_pixels32_c; yading@10: c->biweight_dirac_pixels_tab[0] = biweight_dirac_pixels8_c; yading@10: c->biweight_dirac_pixels_tab[1] = biweight_dirac_pixels16_c; yading@10: c->biweight_dirac_pixels_tab[2] = biweight_dirac_pixels32_c; yading@10: yading@10: PIXFUNC(put, 8); yading@10: PIXFUNC(put, 16); yading@10: PIXFUNC(put, 32); yading@10: PIXFUNC(avg, 8); yading@10: PIXFUNC(avg, 16); yading@10: PIXFUNC(avg, 32); yading@10: yading@10: if (HAVE_MMX && HAVE_YASM) ff_diracdsp_init_mmx(c); yading@10: }