mirror of
https://github.com/FFmpeg/FFmpeg.git
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63 lines
2.6 KiB
C
63 lines
2.6 KiB
C
/*
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* Lossless video DSP utils
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "../lossless_videodsp.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/x86/cpu.h"
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void ff_add_int16_mmx(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
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void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
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void ff_diff_int16_mmx (uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w);
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void ff_diff_int16_sse2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w);
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int ff_add_hfyu_left_pred_int16_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned acc);
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int ff_add_hfyu_left_pred_int16_sse4(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned acc);
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void 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);
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void 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);
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void ff_llviddsp_init_x86(LLVidDSPContext *c, AVCodecContext *avctx)
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{
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int cpu_flags = av_get_cpu_flags();
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const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
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if (EXTERNAL_MMX(cpu_flags)) {
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c->add_int16 = ff_add_int16_mmx;
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c->diff_int16 = ff_diff_int16_mmx;
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}
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if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc->comp[0].depth<16) {
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c->add_hfyu_median_pred_int16 = ff_add_hfyu_median_pred_int16_mmxext;
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c->sub_hfyu_median_pred_int16 = ff_sub_hfyu_median_pred_int16_mmxext;
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}
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->add_int16 = ff_add_int16_sse2;
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c->diff_int16 = ff_diff_int16_sse2;
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}
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if (EXTERNAL_SSSE3(cpu_flags)) {
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c->add_hfyu_left_pred_int16 = ff_add_hfyu_left_pred_int16_ssse3;
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}
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if (EXTERNAL_SSE4(cpu_flags)) {
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c->add_hfyu_left_pred_int16 = ff_add_hfyu_left_pred_int16_sse4;
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}
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}
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