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	 2f096bb10e
			
		
	
	2f096bb10e
	
	
	
		
			
			Adds optimized functions for mixing 3 through 8 input channels to 1 and 2 output channels in fltp or s16p format with flt coeffs.
		
			
				
	
	
		
			215 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			215 lines
		
	
	
		
			13 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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| #define DEFINE_MIX_3_8_TO_1_2(chan)                                         \
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| extern void ff_mix_ ## chan ## _to_1_fltp_flt_sse(float **src,              \
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|                                                   float **matrix, int len,  \
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|                                                   int out_ch, int in_ch);   \
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| extern void ff_mix_ ## chan ## _to_2_fltp_flt_sse(float **src,              \
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|                                                   float **matrix, int len,  \
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|                                                   int out_ch, int in_ch);   \
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|                                                                             \
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| extern void ff_mix_ ## chan ## _to_1_s16p_flt_sse2(int16_t **src,           \
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|                                                    float **matrix, int len, \
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|                                                    int out_ch, int in_ch);  \
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| extern void ff_mix_ ## chan ## _to_2_s16p_flt_sse2(int16_t **src,           \
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|                                                    float **matrix, int len, \
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|                                                    int out_ch, int in_ch);  \
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|                                                                             \
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| extern void ff_mix_ ## chan ## _to_1_s16p_flt_sse4(int16_t **src,           \
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|                                                    float **matrix, int len, \
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|                                                    int out_ch, int in_ch);  \
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| extern void ff_mix_ ## chan ## _to_2_s16p_flt_sse4(int16_t **src,           \
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|                                                    float **matrix, int len, \
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|                                                    int out_ch, int in_ch);  \
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|                                                                             \
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| extern void ff_mix_ ## chan ## _to_1_fltp_flt_avx(float **src,              \
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|                                                   float **matrix, int len,  \
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|                                                   int out_ch, int in_ch);   \
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| extern void ff_mix_ ## chan ## _to_2_fltp_flt_avx(float **src,              \
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|                                                   float **matrix, int len,  \
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|                                                   int out_ch, int in_ch);   \
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|                                                                             \
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| extern void ff_mix_ ## chan ## _to_1_s16p_flt_avx(int16_t **src,            \
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|                                                   float **matrix, int len,  \
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|                                                   int out_ch, int in_ch);   \
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| extern void ff_mix_ ## chan ## _to_2_s16p_flt_avx(int16_t **src,            \
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|                                                   float **matrix, int len,  \
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|                                                   int out_ch, int in_ch);   \
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|                                                                             \
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| extern void ff_mix_ ## chan ## _to_1_fltp_flt_fma4(float **src,             \
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|                                                    float **matrix, int len, \
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|                                                    int out_ch, int in_ch);  \
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| extern void ff_mix_ ## chan ## _to_2_fltp_flt_fma4(float **src,             \
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|                                                    float **matrix, int len, \
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|                                                    int out_ch, int in_ch);  \
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|                                                                             \
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| extern void ff_mix_ ## chan ## _to_1_s16p_flt_fma4(int16_t **src,           \
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|                                                    float **matrix, int len, \
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|                                                    int out_ch, int in_ch);  \
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| extern void ff_mix_ ## chan ## _to_2_s16p_flt_fma4(int16_t **src,           \
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|                                                    float **matrix, int len, \
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|                                                    int out_ch, int in_ch);
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| 
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| DEFINE_MIX_3_8_TO_1_2(3)
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| DEFINE_MIX_3_8_TO_1_2(4)
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| DEFINE_MIX_3_8_TO_1_2(5)
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| DEFINE_MIX_3_8_TO_1_2(6)
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| DEFINE_MIX_3_8_TO_1_2(7)
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| DEFINE_MIX_3_8_TO_1_2(8)
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| 
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| #define SET_MIX_3_8_TO_1_2(chan)                                            \
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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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|                               chan, 1, 16, 4, "SSE",                        \
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|                               ff_mix_ ## chan ## _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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|                               chan, 2, 16, 4, "SSE",                        \
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|                               ff_mix_## chan ##_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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|                               chan, 1, 16, 8, "SSE2",                       \
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|                               ff_mix_ ## chan ## _to_1_s16p_flt_sse2);      \
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|         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
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|                               chan, 2, 16, 8, "SSE2",                       \
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|                               ff_mix_ ## chan ## _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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|                               chan, 1, 16, 8, "SSE4",                       \
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|                               ff_mix_ ## chan ## _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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|                               chan, 2, 16, 8, "SSE4",                       \
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|                               ff_mix_ ## chan ## _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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|         int ptr_align = 32;                                                 \
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|         int smp_align = 8;                                                  \
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|         if (ARCH_X86_32 || chan >= 6) {                                     \
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|             ptr_align = 16;                                                 \
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|             smp_align = 4;                                                  \
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|         }                                                                   \
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|         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
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|                               chan, 1, ptr_align, smp_align, "AVX",         \
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|                               ff_mix_ ## chan ## _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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|                               chan, 2, ptr_align, smp_align, "AVX",         \
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|                               ff_mix_ ## chan ## _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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|                               chan, 1, 16, 8, "AVX",                        \
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|                               ff_mix_ ## chan ## _to_1_s16p_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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|                               chan, 2, 16, 8, "AVX",                        \
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|                               ff_mix_ ## chan ## _to_2_s16p_flt_avx);       \
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|     }                                                                       \
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|     if (mm_flags & AV_CPU_FLAG_FMA4 && HAVE_FMA4) {                         \
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|         int ptr_align = 32;                                                 \
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|         int smp_align = 8;                                                  \
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|         if (ARCH_X86_32 || chan >= 6) {                                     \
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|             ptr_align = 16;                                                 \
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|             smp_align = 4;                                                  \
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|         }                                                                   \
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|         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
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|                               chan, 1, ptr_align, smp_align, "FMA4",        \
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|                               ff_mix_ ## chan ## _to_1_fltp_flt_fma4);      \
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|         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
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|                               chan, 2, ptr_align, smp_align, "FMA4",        \
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|                               ff_mix_ ## chan ## _to_2_fltp_flt_fma4);      \
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|         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
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|                               chan, 1, 16, 8, "FMA4",                       \
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|                               ff_mix_ ## chan ## _to_1_s16p_flt_fma4);      \
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|         ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
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|                               chan, 2, 16, 8, "FMA4",                       \
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|                               ff_mix_ ## chan ## _to_2_s16p_flt_fma4);      \
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|     }
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| 
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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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| 
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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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| 
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|     SET_MIX_3_8_TO_1_2(3)
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|     SET_MIX_3_8_TO_1_2(4)
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|     SET_MIX_3_8_TO_1_2(5)
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|     SET_MIX_3_8_TO_1_2(6)
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|     SET_MIX_3_8_TO_1_2(7)
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|     SET_MIX_3_8_TO_1_2(8)
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| #endif
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| }
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