mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-07 11:13:41 +02:00
6af453ca38
Ice Lake (Xeon Silver 4316): 2.01x faster (1147±36.8 vs. 571±38.2 decicycles) compared with avx2
66 lines
2.8 KiB
C
66 lines
2.8 KiB
C
/*
|
|
* 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/v210dec.h"
|
|
|
|
extern void ff_v210_planar_unpack_unaligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
|
|
extern void ff_v210_planar_unpack_unaligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
|
|
extern void ff_v210_planar_unpack_unaligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
|
|
|
|
extern void ff_v210_planar_unpack_aligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
|
|
extern void ff_v210_planar_unpack_aligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
|
|
extern void ff_v210_planar_unpack_aligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
|
|
|
|
extern void ff_v210_planar_unpack_avx512icl(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
|
|
|
|
av_cold void ff_v210_x86_init(V210DecContext *s)
|
|
{
|
|
#if HAVE_X86ASM
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (s->aligned_input) {
|
|
if (cpu_flags & AV_CPU_FLAG_SSSE3)
|
|
s->unpack_frame = ff_v210_planar_unpack_aligned_ssse3;
|
|
|
|
if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
|
|
s->unpack_frame = ff_v210_planar_unpack_aligned_avx;
|
|
|
|
if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
|
|
s->unpack_frame = ff_v210_planar_unpack_aligned_avx2;
|
|
|
|
if (EXTERNAL_AVX512ICL(cpu_flags))
|
|
s->unpack_frame = ff_v210_planar_unpack_avx512icl;
|
|
}
|
|
else {
|
|
if (cpu_flags & AV_CPU_FLAG_SSSE3)
|
|
s->unpack_frame = ff_v210_planar_unpack_unaligned_ssse3;
|
|
|
|
if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
|
|
s->unpack_frame = ff_v210_planar_unpack_unaligned_avx;
|
|
|
|
if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
|
|
s->unpack_frame = ff_v210_planar_unpack_unaligned_avx2;
|
|
|
|
if (EXTERNAL_AVX512ICL(cpu_flags))
|
|
s->unpack_frame = ff_v210_planar_unpack_avx512icl;
|
|
}
|
|
#endif
|
|
}
|