FFmpeg  4.0
Macros | Functions
ac3dsp_init.c File Reference
#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/ac3.h"
#include "libavcodec/ac3dsp.h"

Go to the source code of this file.

Macros

#define DOWNMIX_FUNC_OPT(ch, opt)
 
#define DOWNMIX_FUNCS(opt)
 
#define SET_DOWNMIX(ch, suf, SUF)
 
#define SET_DOWNMIX_ALL(suf, SUF)
 

Functions

void ff_ac3_exponent_min_mmx (uint8_t *exp, int num_reuse_blocks, int nb_coefs)
 
void ff_ac3_exponent_min_mmxext (uint8_t *exp, int num_reuse_blocks, int nb_coefs)
 
void ff_ac3_exponent_min_sse2 (uint8_t *exp, int num_reuse_blocks, int nb_coefs)
 
int ff_ac3_max_msb_abs_int16_mmx (const int16_t *src, int len)
 
int ff_ac3_max_msb_abs_int16_mmxext (const int16_t *src, int len)
 
int ff_ac3_max_msb_abs_int16_sse2 (const int16_t *src, int len)
 
int ff_ac3_max_msb_abs_int16_ssse3 (const int16_t *src, int len)
 
void ff_ac3_lshift_int16_mmx (int16_t *src, unsigned int len, unsigned int shift)
 
void ff_ac3_lshift_int16_sse2 (int16_t *src, unsigned int len, unsigned int shift)
 
void ff_ac3_rshift_int32_mmx (int32_t *src, unsigned int len, unsigned int shift)
 
void ff_ac3_rshift_int32_sse2 (int32_t *src, unsigned int len, unsigned int shift)
 
void ff_float_to_fixed24_3dnow (int32_t *dst, const float *src, unsigned int len)
 
void ff_float_to_fixed24_sse (int32_t *dst, const float *src, unsigned int len)
 
void ff_float_to_fixed24_sse2 (int32_t *dst, const float *src, unsigned int len)
 
int ff_ac3_compute_mantissa_size_sse2 (uint16_t mant_cnt[6][16])
 
void ff_ac3_extract_exponents_sse2 (uint8_t *exp, int32_t *coef, int nb_coefs)
 
void ff_ac3_extract_exponents_ssse3 (uint8_t *exp, int32_t *coef, int nb_coefs)
 
void ff_apply_window_int16_round_mmxext (int16_t *output, const int16_t *input, const int16_t *window, unsigned int len)
 
void ff_apply_window_int16_round_sse2 (int16_t *output, const int16_t *input, const int16_t *window, unsigned int len)
 
void ff_apply_window_int16_mmxext (int16_t *output, const int16_t *input, const int16_t *window, unsigned int len)
 
void ff_apply_window_int16_sse2 (int16_t *output, const int16_t *input, const int16_t *window, unsigned int len)
 
void ff_apply_window_int16_ssse3 (int16_t *output, const int16_t *input, const int16_t *window, unsigned int len)
 
void ff_apply_window_int16_ssse3_atom (int16_t *output, const int16_t *input, const int16_t *window, unsigned int len)
 
av_cold void ff_ac3dsp_init_x86 (AC3DSPContext *c, int bit_exact)
 
void ff_ac3dsp_set_downmix_x86 (AC3DSPContext *c)
 

Macro Definition Documentation

◆ DOWNMIX_FUNC_OPT

#define DOWNMIX_FUNC_OPT (   ch,
  opt 
)
Value:
void ff_ac3_downmix_ ## ch ## _to_1_ ## opt(float **samples, \
float **matrix, int len); \
void ff_ac3_downmix_ ## ch ## _to_2_ ## opt(float **samples, \
float **matrix, int len);
ch
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(const uint8_t *) pi - 0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(const int16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(const int16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(const int32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(const int32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(const int64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64, *(const int64_t *) pi *(1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64, *(const int64_t *) pi *(1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(const float *) pi *(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(const double *) pi *(INT64_C(1)<< 63))) #define FMT_PAIR_FUNC(out, in) static conv_func_type *const fmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={ FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64), };static void cpy1(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, len);} static void cpy2(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, 2 *len);} static void cpy4(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, 4 *len);} static void cpy8(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, 8 *len);} AudioConvert *swri_audio_convert_alloc(enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, const int *ch_map, int flags) { AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) return NULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) return NULL;if(channels==1){ in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);} ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map) { switch(av_get_bytes_per_sample(in_fmt)){ case 1:ctx->simd_f=cpy1;break;case 2:ctx->simd_f=cpy2;break;case 4:ctx->simd_f=cpy4;break;case 8:ctx->simd_f=cpy8;break;} } if(HAVE_X86ASM &&HAVE_MMX) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);return ctx;} void swri_audio_convert_free(AudioConvert **ctx) { av_freep(ctx);} int swri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, int len) { int ch;int off=0;const int os=(out->planar ? 1 :out->ch_count) *out->bps;unsigned misaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask) { int planes=in->planar ? in->ch_count :1;unsigned m=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;} if(ctx->out_simd_align_mask) { int planes=out->planar ? out->ch_count :1;unsigned m=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;} if(ctx->simd_f &&!ctx->ch_map &&!misaligned){ off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){ if(out->planar==in->planar){ int planes=out->planar ? out->ch_count :1;for(ch=0;ch< planes;ch++){ ctx->simd_f(out-> ch ch
Definition: audioconvert.c:56
len
int len
Definition: vorbis_enc_data.h:452

Definition at line 123 of file ac3dsp_init.c.

◆ DOWNMIX_FUNCS

#define DOWNMIX_FUNCS (   opt)
Value:
DOWNMIX_FUNC_OPT(3, opt) \
DOWNMIX_FUNC_OPT(4, opt) \
DOWNMIX_FUNC_OPT(5, opt) \
DOWNMIX_FUNC_OPT(6, opt)
DOWNMIX_FUNC_OPT
#define DOWNMIX_FUNC_OPT(ch, opt)
Definition: ac3dsp_init.c:123

Definition at line 129 of file ac3dsp_init.c.

◆ SET_DOWNMIX

#define SET_DOWNMIX (   ch,
  suf,
  SUF 
)
Value:
if (ch == c->in_channels) { \
if (EXTERNAL_ ## SUF (cpu_flags)) { \
if (c->out_channels == 1) \
c->downmix = ff_ac3_downmix_ ## ch ## _to_1_ ## suf; \
else \
c->downmix = ff_ac3_downmix_ ## ch ## _to_2_ ## suf; \
} \
}
ch
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(const uint8_t *) pi - 0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(const int16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(const int16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(const int32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(const int32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(const int64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64, *(const int64_t *) pi *(1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64, *(const int64_t *) pi *(1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(const float *) pi *(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(const double *) pi *(INT64_C(1)<< 63))) #define FMT_PAIR_FUNC(out, in) static conv_func_type *const fmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={ FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64), };static void cpy1(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, len);} static void cpy2(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, 2 *len);} static void cpy4(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, 4 *len);} static void cpy8(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, 8 *len);} AudioConvert *swri_audio_convert_alloc(enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, const int *ch_map, int flags) { AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) return NULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) return NULL;if(channels==1){ in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);} ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map) { switch(av_get_bytes_per_sample(in_fmt)){ case 1:ctx->simd_f=cpy1;break;case 2:ctx->simd_f=cpy2;break;case 4:ctx->simd_f=cpy4;break;case 8:ctx->simd_f=cpy8;break;} } if(HAVE_X86ASM &&HAVE_MMX) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);return ctx;} void swri_audio_convert_free(AudioConvert **ctx) { av_freep(ctx);} int swri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, int len) { int ch;int off=0;const int os=(out->planar ? 1 :out->ch_count) *out->bps;unsigned misaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask) { int planes=in->planar ? in->ch_count :1;unsigned m=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;} if(ctx->out_simd_align_mask) { int planes=out->planar ? out->ch_count :1;unsigned m=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;} if(ctx->simd_f &&!ctx->ch_map &&!misaligned){ off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){ if(out->planar==in->planar){ int planes=out->planar ? out->ch_count :1;for(ch=0;ch< planes;ch++){ ctx->simd_f(out-> ch ch
Definition: audioconvert.c:56
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:50
c
static double c[64]
Definition: vsrc_mptestsrc.c:87

◆ SET_DOWNMIX_ALL

#define SET_DOWNMIX_ALL (   suf,
  SUF 
)
Value:
SET_DOWNMIX(3, suf, SUF) \
SET_DOWNMIX(4, suf, SUF) \
SET_DOWNMIX(5, suf, SUF) \
SET_DOWNMIX(6, suf, SUF)
SET_DOWNMIX
#define SET_DOWNMIX(ch, suf, SUF)

Referenced by ff_ac3dsp_set_downmix_x86().

Function Documentation

◆ ff_ac3_exponent_min_mmx()

void ff_ac3_exponent_min_mmx ( uint8_t *  exp,
int  num_reuse_blocks,
int  nb_coefs 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_exponent_min_mmxext()

void ff_ac3_exponent_min_mmxext ( uint8_t *  exp,
int  num_reuse_blocks,
int  nb_coefs 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_exponent_min_sse2()

void ff_ac3_exponent_min_sse2 ( uint8_t *  exp,
int  num_reuse_blocks,
int  nb_coefs 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_max_msb_abs_int16_mmx()

int ff_ac3_max_msb_abs_int16_mmx ( const int16_t *  src,
int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_max_msb_abs_int16_mmxext()

int ff_ac3_max_msb_abs_int16_mmxext ( const int16_t *  src,
int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_max_msb_abs_int16_sse2()

int ff_ac3_max_msb_abs_int16_sse2 ( const int16_t *  src,
int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_max_msb_abs_int16_ssse3()

int ff_ac3_max_msb_abs_int16_ssse3 ( const int16_t *  src,
int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_lshift_int16_mmx()

void ff_ac3_lshift_int16_mmx ( int16_t *  src,
unsigned int  len,
unsigned int  shift 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_lshift_int16_sse2()

void ff_ac3_lshift_int16_sse2 ( int16_t *  src,
unsigned int  len,
unsigned int  shift 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_rshift_int32_mmx()

void ff_ac3_rshift_int32_mmx ( int32_t *  src,
unsigned int  len,
unsigned int  shift 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_rshift_int32_sse2()

void ff_ac3_rshift_int32_sse2 ( int32_t *  src,
unsigned int  len,
unsigned int  shift 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_float_to_fixed24_3dnow()

void ff_float_to_fixed24_3dnow ( int32_t *  dst,
const float *  src,
unsigned int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_float_to_fixed24_sse()

void ff_float_to_fixed24_sse ( int32_t *  dst,
const float *  src,
unsigned int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_float_to_fixed24_sse2()

void ff_float_to_fixed24_sse2 ( int32_t *  dst,
const float *  src,
unsigned int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_compute_mantissa_size_sse2()

int ff_ac3_compute_mantissa_size_sse2 ( uint16_t  mant_cnt[6][16])

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_extract_exponents_sse2()

void ff_ac3_extract_exponents_sse2 ( uint8_t *  exp,
int32_t *  coef,
int  nb_coefs 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3_extract_exponents_ssse3()

void ff_ac3_extract_exponents_ssse3 ( uint8_t *  exp,
int32_t *  coef,
int  nb_coefs 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_apply_window_int16_round_mmxext()

void ff_apply_window_int16_round_mmxext ( int16_t *  output,
const int16_t *  input,
const int16_t *  window,
unsigned int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_apply_window_int16_round_sse2()

void ff_apply_window_int16_round_sse2 ( int16_t *  output,
const int16_t *  input,
const int16_t *  window,
unsigned int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_apply_window_int16_mmxext()

void ff_apply_window_int16_mmxext ( int16_t *  output,
const int16_t *  input,
const int16_t *  window,
unsigned int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_apply_window_int16_sse2()

void ff_apply_window_int16_sse2 ( int16_t *  output,
const int16_t *  input,
const int16_t *  window,
unsigned int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_apply_window_int16_ssse3()

void ff_apply_window_int16_ssse3 ( int16_t *  output,
const int16_t *  input,
const int16_t *  window,
unsigned int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_apply_window_int16_ssse3_atom()

void ff_apply_window_int16_ssse3_atom ( int16_t *  output,
const int16_t *  input,
const int16_t *  window,
unsigned int  len 
)

Referenced by ff_ac3dsp_init_x86().

◆ ff_ac3dsp_init_x86()

av_cold void ff_ac3dsp_init_x86 ( AC3DSPContext *  c,
int  bit_exact 
)

Definition at line 66 of file ac3dsp_init.c.

Referenced by ff_ac3dsp_init().

◆ ff_ac3dsp_set_downmix_x86()

void ff_ac3dsp_set_downmix_x86 ( AC3DSPContext *  c)

Definition at line 139 of file ac3dsp_init.c.

Referenced by ff_ac3dsp_downmix().

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