1/* 2 * Lossless video DSP utils 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "../lossless_videodsp.h" 22#include "libavutil/pixdesc.h" 23#include "libavutil/x86/cpu.h" 24 25void ff_add_int16_mmx(uint16_t *dst, const uint16_t *src, unsigned mask, int w); 26void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w); 27void ff_diff_int16_mmx (uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w); 28void ff_diff_int16_sse2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w); 29int ff_add_hfyu_left_pred_int16_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned acc); 30int ff_add_hfyu_left_pred_int16_sse4(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned acc); 31void ff_add_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top); 32void ff_sub_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w, int *left, int *left_top); 33 34 35void ff_llviddsp_init_x86(LLVidDSPContext *c, AVCodecContext *avctx) 36{ 37 int cpu_flags = av_get_cpu_flags(); 38 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt); 39 40 if (EXTERNAL_MMX(cpu_flags)) { 41 c->add_int16 = ff_add_int16_mmx; 42 c->diff_int16 = ff_diff_int16_mmx; 43 } 44 45 if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc->comp[0].depth_minus1<15) { 46 c->add_hfyu_median_pred_int16 = ff_add_hfyu_median_pred_int16_mmxext; 47 c->sub_hfyu_median_pred_int16 = ff_sub_hfyu_median_pred_int16_mmxext; 48 } 49 50 if (EXTERNAL_SSE2(cpu_flags)) { 51 c->add_int16 = ff_add_int16_sse2; 52 c->diff_int16 = ff_diff_int16_sse2; 53 } 54 55 if (EXTERNAL_SSSE3(cpu_flags)) { 56 c->add_hfyu_left_pred_int16 = ff_add_hfyu_left_pred_int16_ssse3; 57 } 58 59 if (EXTERNAL_SSE4(cpu_flags)) { 60 c->add_hfyu_left_pred_int16 = ff_add_hfyu_left_pred_int16_sse4; 61 } 62} 63