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73 lines
3.4 KiB
73 lines
3.4 KiB
/* |
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* Copyright (C) 2012 Michael Niedermayer (michaelni@gmx.at) |
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* |
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* This file is part of libswresample |
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* |
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* libswresample 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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* libswresample 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 libswresample; 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 "libswresample/swresample_internal.h" |
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#include "libswresample/audioconvert.h" |
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#define MULTI_CAPS_FUNC_DECL(cap) \ |
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void ff_int16_to_int32_a_ ## cap(uint8_t **dst, const uint8_t **src, int len);\ |
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void ff_int32_to_int16_a_ ## cap(uint8_t **dst, const uint8_t **src, int len);\ |
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MULTI_CAPS_FUNC_DECL(mmx) |
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MULTI_CAPS_FUNC_DECL(sse) |
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void ff_int32_to_float_a_sse2(uint8_t **dst, const uint8_t **src, int len); |
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void ff_int16_to_float_a_sse2(uint8_t **dst, const uint8_t **src, int len); |
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void ff_float_to_int32_a_sse2(uint8_t **dst, const uint8_t **src, int len); |
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void ff_float_to_int16_a_sse2(uint8_t **dst, const uint8_t **src, int len); |
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void ff_int32_to_float_a_avx(uint8_t **dst, const uint8_t **src, int len); |
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void swri_audio_convert_init_x86(struct AudioConvert *ac, |
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enum AVSampleFormat out_fmt, |
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enum AVSampleFormat in_fmt, |
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int channels){ |
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int mm_flags = av_get_cpu_flags(); |
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ac->simd_f= NULL; |
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//FIXME add memcpy case |
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#define MULTI_CAPS_FUNC(flag, cap) \ |
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if (mm_flags & flag) {\ |
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if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S16 || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16P)\ |
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ac->simd_f = ff_int16_to_int32_a_ ## cap;\ |
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if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_S32 || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S32P)\ |
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ac->simd_f = ff_int32_to_int16_a_ ## cap;\ |
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} |
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MULTI_CAPS_FUNC(AV_CPU_FLAG_MMX, mmx) |
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MULTI_CAPS_FUNC(AV_CPU_FLAG_SSE, sse) |
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if(mm_flags & AV_CPU_FLAG_SSE2) { |
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if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32 || out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32P) |
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ac->simd_f = ff_int32_to_float_a_sse2; |
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if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S16 || out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S16P) |
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ac->simd_f = ff_int16_to_float_a_sse2; |
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if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLTP) |
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ac->simd_f = ff_float_to_int32_a_sse2; |
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if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLTP) |
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ac->simd_f = ff_float_to_int16_a_sse2; |
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} |
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if(HAVE_AVX && mm_flags & AV_CPU_FLAG_AVX) { |
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if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32 || out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32P) |
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ac->simd_f = ff_int32_to_float_a_avx; |
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} |
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}
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