ffmpeg/libavcodec/x86/exrdsp_init.c
Martin Vignali ac5908b13f libavcodec/exr : add x86 SIMD for predictor
Signed-off-by: James Almer <jamrial@gmail.com>
2017-10-01 17:35:30 -03:00

53 lines
1.7 KiB
C

/*
* OpenEXR (.exr) image decoder
*
* 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 "libavutil/attributes.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/exrdsp.h"
void ff_reorder_pixels_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t size);
void ff_reorder_pixels_avx2(uint8_t *dst, const uint8_t *src, ptrdiff_t size);
void ff_predictor_ssse3(uint8_t *src, ptrdiff_t size);
void ff_predictor_avx(uint8_t *src, ptrdiff_t size);
void ff_predictor_avx2(uint8_t *src, ptrdiff_t size);
av_cold void ff_exrdsp_init_x86(ExrDSPContext *dsp)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSE2(cpu_flags)) {
dsp->reorder_pixels = ff_reorder_pixels_sse2;
}
if (EXTERNAL_SSSE3(cpu_flags)) {
dsp->predictor = ff_predictor_ssse3;
}
if (EXTERNAL_AVX(cpu_flags)) {
dsp->predictor = ff_predictor_avx;
}
if (EXTERNAL_AVX2_FAST(cpu_flags)) {
dsp->reorder_pixels = ff_reorder_pixels_avx2;
dsp->predictor = ff_predictor_avx2;
}
}