85 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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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_mix.h"
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extern void ff_mix_2_to_1_fltp_flt_sse(float **src, float **matrix, int len,
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                                       int out_ch, int in_ch);
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extern void ff_mix_2_to_1_fltp_flt_avx(float **src, float **matrix, int len,
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                                       int out_ch, int in_ch);
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extern void ff_mix_2_to_1_s16p_flt_sse2(int16_t **src, float **matrix, int len,
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                                        int out_ch, int in_ch);
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extern void ff_mix_2_to_1_s16p_flt_sse4(int16_t **src, float **matrix, int len,
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                                        int out_ch, int in_ch);
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extern void ff_mix_2_to_1_s16p_q8_sse2(int16_t **src, int16_t **matrix,
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                                       int len, int out_ch, int in_ch);
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extern void ff_mix_1_to_2_fltp_flt_sse(float **src, float **matrix, int len,
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                                       int out_ch, int in_ch);
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extern void ff_mix_1_to_2_fltp_flt_avx(float **src, float **matrix, int len,
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                                       int out_ch, int in_ch);
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extern void ff_mix_1_to_2_s16p_flt_sse2(int16_t **src, float **matrix, int len,
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                                        int out_ch, int in_ch);
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extern void ff_mix_1_to_2_s16p_flt_sse4(int16_t **src, float **matrix, int len,
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                                        int out_ch, int in_ch);
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extern void ff_mix_1_to_2_s16p_flt_avx (int16_t **src, float **matrix, int len,
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                                        int out_ch, int in_ch);
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av_cold void ff_audio_mix_init_x86(AudioMix *am)
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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_SSE && HAVE_SSE) {
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
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                              2, 1, 16, 8, "SSE", ff_mix_2_to_1_fltp_flt_sse);
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
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                              1, 2, 16, 4, "SSE", ff_mix_1_to_2_fltp_flt_sse);
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    }
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    if (mm_flags & AV_CPU_FLAG_SSE2 && HAVE_SSE) {
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
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                              2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_flt_sse2);
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_Q8,
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                              2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_q8_sse2);
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
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                              1, 2, 16, 8, "SSE2", ff_mix_1_to_2_s16p_flt_sse2);
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    }
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    if (mm_flags & AV_CPU_FLAG_SSE4 && HAVE_SSE) {
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
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                              2, 1, 16, 8, "SSE4", ff_mix_2_to_1_s16p_flt_sse4);
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
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                              1, 2, 16, 8, "SSE4", ff_mix_1_to_2_s16p_flt_sse4);
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    }
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    if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) {
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
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                              2, 1, 32, 16, "AVX", ff_mix_2_to_1_fltp_flt_avx);
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
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                              1, 2, 32, 8, "AVX", ff_mix_1_to_2_fltp_flt_avx);
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        ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
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                              1, 2, 16, 8, "AVX", ff_mix_1_to_2_s16p_flt_avx);
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    }
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#endif
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}
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