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54a71f2e6c
* commit 'b519298a1578e0c895d53d4b4ed8867b1c031a56': pixdesc: fix yuva 10bit bit depth avconv: deprecate the -vol option x86: af_volume: add SSE2/SSSE3/AVX-optimized s32 volume scaling x86: af_volume: add SSE2-optimized s16 volume scaling Conflicts: ffmpeg.c tests/ref/lavfi/pixdesc tests/ref/lavfi/pixfmts_copy tests/ref/lavfi/pixfmts_null tests/ref/lavfi/pixfmts_scale tests/ref/lavfi/pixfmts_vflip Merged-by: Michael Niedermayer <michaelni@gmx.at>
60 lines
2.2 KiB
C
60 lines
2.2 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 "config.h"
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#include "libavutil/cpu.h"
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#include "libavutil/samplefmt.h"
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#include "libavutil/x86/cpu.h"
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#include "libavfilter/af_volume.h"
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void ff_scale_samples_s16_sse2(uint8_t *dst, const uint8_t *src, int len,
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int volume);
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void ff_scale_samples_s32_sse2(uint8_t *dst, const uint8_t *src, int len,
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int volume);
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void ff_scale_samples_s32_ssse3_atom(uint8_t *dst, const uint8_t *src, int len,
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int volume);
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void ff_scale_samples_s32_avx(uint8_t *dst, const uint8_t *src, int len,
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int volume);
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void ff_volume_init_x86(VolumeContext *vol)
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{
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int mm_flags = av_get_cpu_flags();
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enum AVSampleFormat sample_fmt = av_get_packed_sample_fmt(vol->sample_fmt);
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if (sample_fmt == AV_SAMPLE_FMT_S16) {
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if (EXTERNAL_SSE2(mm_flags) && vol->volume_i < 32768) {
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vol->scale_samples = ff_scale_samples_s16_sse2;
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vol->samples_align = 8;
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}
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} else if (sample_fmt == AV_SAMPLE_FMT_S32) {
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if (EXTERNAL_SSE2(mm_flags)) {
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vol->scale_samples = ff_scale_samples_s32_sse2;
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vol->samples_align = 4;
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}
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if (EXTERNAL_SSSE3(mm_flags) && mm_flags & AV_CPU_FLAG_ATOM) {
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vol->scale_samples = ff_scale_samples_s32_ssse3_atom;
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vol->samples_align = 4;
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}
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if (EXTERNAL_AVX(mm_flags)) {
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vol->scale_samples = ff_scale_samples_s32_avx;
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vol->samples_align = 8;
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}
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}
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}
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