mirror of
https://github.com/FFmpeg/FFmpeg.git
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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
/*
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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 "libavutil/attributes.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/v210dec.h"
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extern void ff_v210_planar_unpack_unaligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
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extern void ff_v210_planar_unpack_unaligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
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extern void ff_v210_planar_unpack_unaligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
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extern void ff_v210_planar_unpack_aligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
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extern void ff_v210_planar_unpack_aligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
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extern void ff_v210_planar_unpack_aligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
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extern void ff_v210_planar_unpack_avx512icl(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
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av_cold void ff_v210_x86_init(V210DecContext *s)
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{
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#if HAVE_X86ASM
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int cpu_flags = av_get_cpu_flags();
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if (s->aligned_input) {
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if (cpu_flags & AV_CPU_FLAG_SSSE3)
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s->unpack_frame = ff_v210_planar_unpack_aligned_ssse3;
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if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
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s->unpack_frame = ff_v210_planar_unpack_aligned_avx;
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if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
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s->unpack_frame = ff_v210_planar_unpack_aligned_avx2;
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if (EXTERNAL_AVX512ICL(cpu_flags))
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s->unpack_frame = ff_v210_planar_unpack_avx512icl;
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}
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else {
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if (cpu_flags & AV_CPU_FLAG_SSSE3)
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s->unpack_frame = ff_v210_planar_unpack_unaligned_ssse3;
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if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
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s->unpack_frame = ff_v210_planar_unpack_unaligned_avx;
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if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
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s->unpack_frame = ff_v210_planar_unpack_unaligned_avx2;
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if (EXTERNAL_AVX512ICL(cpu_flags))
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s->unpack_frame = ff_v210_planar_unpack_avx512icl;
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}
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#endif
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}
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