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90 lines
4.4 KiB
90 lines
4.4 KiB
/* |
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* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com> |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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 "libavresample/audio_convert.h" |
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extern void ff_conv_s16_to_s32_sse2(int16_t *dst, const int32_t *src, int len); |
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extern void ff_conv_s16_to_flt_sse2(float *dst, const int16_t *src, int len); |
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extern void ff_conv_s16_to_flt_sse4(float *dst, const int16_t *src, int len); |
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extern void ff_conv_s32_to_s16_mmx (int16_t *dst, const int32_t *src, int len); |
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extern void ff_conv_s32_to_s16_sse2(int16_t *dst, const int32_t *src, int len); |
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extern void ff_conv_s32_to_flt_sse2(float *dst, const int32_t *src, int len); |
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extern void ff_conv_s32_to_flt_avx (float *dst, const int32_t *src, int len); |
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extern void ff_conv_flt_to_s16_sse2(int16_t *dst, const float *src, int len); |
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extern void ff_conv_flt_to_s32_sse2(int32_t *dst, const float *src, int len); |
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extern void ff_conv_flt_to_s32_avx (int32_t *dst, const float *src, int len); |
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extern void ff_conv_fltp_to_flt_6ch_mmx (float *dst, float *const *src, int len, |
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int channels); |
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extern void ff_conv_fltp_to_flt_6ch_sse4(float *dst, float *const *src, int len, |
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int channels); |
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extern void ff_conv_fltp_to_flt_6ch_avx (float *dst, float *const *src, int len, |
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int channels); |
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av_cold void ff_audio_convert_init_x86(AudioConvert *ac) |
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{ |
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#if HAVE_YASM |
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int mm_flags = av_get_cpu_flags(); |
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if (mm_flags & AV_CPU_FLAG_MMX && HAVE_MMX) { |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32, |
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0, 1, 8, "MMX", ff_conv_s32_to_s16_mmx); |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, |
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6, 1, 4, "MMX", ff_conv_fltp_to_flt_6ch_mmx); |
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} |
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if (mm_flags & AV_CPU_FLAG_SSE2 && HAVE_SSE) { |
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if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) { |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32, |
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0, 16, 16, "SSE2", ff_conv_s32_to_s16_sse2); |
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} |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16, |
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0, 16, 8, "SSE2", ff_conv_s16_to_s32_sse2); |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, |
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0, 16, 8, "SSE2", ff_conv_s16_to_flt_sse2); |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32, |
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0, 16, 8, "SSE2", ff_conv_s32_to_flt_sse2); |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT, |
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0, 16, 16, "SSE2", ff_conv_flt_to_s16_sse2); |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT, |
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0, 16, 16, "SSE2", ff_conv_flt_to_s32_sse2); |
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} |
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if (mm_flags & AV_CPU_FLAG_SSE4 && HAVE_SSE) { |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, |
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0, 16, 8, "SSE4", ff_conv_s16_to_flt_sse4); |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, |
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6, 16, 4, "SSE4", ff_conv_fltp_to_flt_6ch_sse4); |
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} |
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if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) { |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32, |
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0, 32, 16, "AVX", ff_conv_s32_to_flt_avx); |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT, |
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0, 32, 32, "AVX", ff_conv_flt_to_s32_avx); |
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ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, |
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6, 16, 4, "AVX", ff_conv_fltp_to_flt_6ch_avx); |
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} |
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#endif |
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}
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