FFmpeg
Macros | Functions
flacdsp_init.c File Reference
#include "libavcodec/flacdsp.h"
#include "libavutil/x86/cpu.h"
#include "config.h"

Go to the source code of this file.

Macros

#define DECORRELATE_FUNCS(fmt, opt)
 

Functions

void ff_flac_lpc_32_sse4 (int32_t *samples, const int coeffs[32], int order, int qlevel, int len)
 
void ff_flac_lpc_32_xop (int32_t *samples, const int coeffs[32], int order, int qlevel, int len)
 
void ff_flac_enc_lpc_16_sse4 (int32_t *, const int32_t *, int, int, const int32_t *, int)
 
 DECORRELATE_FUNCS (16, sse2)
 
 DECORRELATE_FUNCS (16, avx)
 
 DECORRELATE_FUNCS (32, sse2)
 
 DECORRELATE_FUNCS (32, avx)
 
av_cold void ff_flacdsp_init_x86 (FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps)
 

Macro Definition Documentation

◆ DECORRELATE_FUNCS

#define DECORRELATE_FUNCS (   fmt,
  opt 
)
Value:
void ff_flac_decorrelate_ls_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_rs_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_ms_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_indep2_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_indep4_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_indep6_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
void ff_flac_decorrelate_indep8_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift)

Definition at line 32 of file flacdsp_init.c.

Function Documentation

◆ ff_flac_lpc_32_sse4()

void ff_flac_lpc_32_sse4 ( int32_t *  samples,
const int  coeffs[32],
int  order,
int  qlevel,
int  len 
)

Referenced by ff_flacdsp_init_x86().

◆ ff_flac_lpc_32_xop()

void ff_flac_lpc_32_xop ( int32_t *  samples,
const int  coeffs[32],
int  order,
int  qlevel,
int  len 
)

Referenced by ff_flacdsp_init_x86().

◆ ff_flac_enc_lpc_16_sse4()

void ff_flac_enc_lpc_16_sse4 ( int32_t *  ,
const int32_t *  ,
int  ,
int  ,
const int32_t *  ,
int   
)

Referenced by ff_flacdsp_init_x86().

◆ DECORRELATE_FUNCS() [1/4]

DECORRELATE_FUNCS ( 16  ,
sse2   
)

◆ DECORRELATE_FUNCS() [2/4]

DECORRELATE_FUNCS ( 16  ,
avx   
)

◆ DECORRELATE_FUNCS() [3/4]

DECORRELATE_FUNCS ( 32  ,
sse2   
)

◆ DECORRELATE_FUNCS() [4/4]

DECORRELATE_FUNCS ( 32  ,
avx   
)

◆ ff_flacdsp_init_x86()

av_cold void ff_flacdsp_init_x86 ( FLACDSPContext *  c,
enum AVSampleFormat  fmt,
int  channels,
int  bps 
)

Definition at line 53 of file flacdsp_init.c.

Referenced by ff_flacdsp_init().

out
FILE * out
Definition: movenc.c:54
channels
channels
Definition: aptx.h:33
int32_t
int32_t
Definition: audio_convert.c:194
in
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
Definition: audio_convert.c:326
uint8_t
uint8_t
Definition: audio_convert.c:194
len
int len
Definition: vorbis_enc_data.h:452
shift
static int shift(int a, int b)
Definition: sonic.c:82
_
#define _
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