ffmpeg/libavcodec/x86/v210-init.c
James Darnley 6af453ca38 avcodec/x86: add avx512icl function for v210dec
Ice Lake (Xeon Silver 4316): 2.01x faster (1147±36.8 vs. 571±38.2 decicycles) compared with avx2
2022-12-20 15:02:45 +01:00

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
}