ffmpeg/libavcodec/x86/lossless_videodsp_init.c

71 lines
2.8 KiB
C

/*
* Lossless video DSP utils
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "../lossless_videodsp.h"
#include "libavutil/x86/cpu.h"
void ff_add_bytes_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t w);
void ff_add_bytes_avx2(uint8_t *dst, uint8_t *src, ptrdiff_t w);
void ff_add_median_pred_sse2(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, ptrdiff_t w,
int *left, int *left_top);
int ff_add_left_pred_ssse3(uint8_t *dst, const uint8_t *src,
ptrdiff_t w, int left);
int ff_add_left_pred_unaligned_ssse3(uint8_t *dst, const uint8_t *src,
ptrdiff_t w, int left);
int ff_add_left_pred_unaligned_avx2(uint8_t *dst, const uint8_t *src,
ptrdiff_t w, int left);
int ff_add_left_pred_int16_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
int ff_add_left_pred_int16_unaligned_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
void ff_add_gradient_pred_ssse3(uint8_t *src, const ptrdiff_t stride, const ptrdiff_t width);
void ff_add_gradient_pred_avx2(uint8_t *src, const ptrdiff_t stride, const ptrdiff_t width);
void ff_llviddsp_init_x86(LLVidDSPContext *c)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSE2(cpu_flags)) {
c->add_bytes = ff_add_bytes_sse2;
c->add_median_pred = ff_add_median_pred_sse2;
}
if (EXTERNAL_SSSE3(cpu_flags)) {
c->add_left_pred = ff_add_left_pred_ssse3;
c->add_left_pred_int16 = ff_add_left_pred_int16_ssse3;
c->add_gradient_pred = ff_add_gradient_pred_ssse3;
}
if (EXTERNAL_SSSE3_FAST(cpu_flags)) {
c->add_left_pred = ff_add_left_pred_unaligned_ssse3;
c->add_left_pred_int16 = ff_add_left_pred_int16_unaligned_ssse3;
}
if (EXTERNAL_AVX2_FAST(cpu_flags)) {
c->add_bytes = ff_add_bytes_avx2;
c->add_left_pred = ff_add_left_pred_unaligned_avx2;
c->add_gradient_pred = ff_add_gradient_pred_avx2;
}
}