FFmpeg
|
Go to the source code of this file.
Data Structures | |
struct | AudioData |
Audio buffer used for intermediate storage between conversion phases. More... | |
struct | DitherContext |
struct | SwrContext |
struct | Resampler |
Macros | |
#define | SQRT3_2 1.22474487139158904909 /* sqrt(3/2) */ |
#define | NS_TAPS 20 |
Typedefs | |
typedef int | integer |
typedef void( | mix_1_1_func_type )(void *out, const void *in, void *coeffp, integer index, integer len) |
typedef void( | mix_2_1_func_type )(void *out, const void *in1, const void *in2, void *coeffp, integer index1, integer index2, integer len) |
typedef void( | mix_any_func_type )(uint8_t **out, const uint8_t **in1, void *coeffp, integer len) |
typedef void(* | resample_free_func )(struct ResampleContext **c) |
typedef int(* | multiple_resample_func )(struct ResampleContext *c, AudioData *dst, int dst_size, AudioData *src, int src_size, int *consumed) |
typedef int(* | resample_flush_func )(struct SwrContext *c) |
typedef int(* | set_compensation_func )(struct ResampleContext *c, int sample_delta, int compensation_distance) |
typedef int64_t(* | get_delay_func )(struct SwrContext *s, int64_t base) |
Functions | |
int | swri_realloc_audio (AudioData *a, int count) |
int | swri_resample_int16 (struct ResampleContext *c, int16_t *dst, const int16_t *src, int *consumed, int src_size, int dst_size, int update_ctx) |
int | swri_resample_int32 (struct ResampleContext *c, int32_t *dst, const int32_t *src, int *consumed, int src_size, int dst_size, int update_ctx) |
int | swri_resample_float (struct ResampleContext *c, float *dst, const float *src, int *consumed, int src_size, int dst_size, int update_ctx) |
int | swri_resample_double (struct ResampleContext *c, double *dst, const double *src, int *consumed, int src_size, int dst_size, int update_ctx) |
void | swri_noise_shaping_int16 (SwrContext *s, AudioData *dsts, const AudioData *srcs, const AudioData *noises, int count) |
void | swri_noise_shaping_int32 (SwrContext *s, AudioData *dsts, const AudioData *srcs, const AudioData *noises, int count) |
void | swri_noise_shaping_float (SwrContext *s, AudioData *dsts, const AudioData *srcs, const AudioData *noises, int count) |
void | swri_noise_shaping_double (SwrContext *s, AudioData *dsts, const AudioData *srcs, const AudioData *noises, int count) |
int | swri_rematrix_init (SwrContext *s) |
void | swri_rematrix_free (SwrContext *s) |
int | swri_rematrix (SwrContext *s, AudioData *out, AudioData *in, int len, int mustcopy) |
void | swri_rematrix_init_x86 (struct SwrContext *s) |
void | swri_get_dither (SwrContext *s, void *dst, int len, unsigned seed, enum AVSampleFormat noise_fmt) |
int | swri_dither_init (SwrContext *s, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt) |
void | swri_audio_convert_init_arm (struct AudioConvert *ac, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels) |
void | swri_audio_convert_init_x86 (struct AudioConvert *ac, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels) |
Variables | |
struct Resampler const | swri_resampler |
#define SQRT3_2 1.22474487139158904909 /* sqrt(3/2) */ |
Definition at line 28 of file swresample_internal.h.
#define NS_TAPS 20 |
Definition at line 30 of file swresample_internal.h.
typedef int integer |
Definition at line 35 of file swresample_internal.h.
typedef void( mix_1_1_func_type)(void *out, const void *in, void *coeffp, integer index, integer len) |
Definition at line 38 of file swresample_internal.h.
typedef void( mix_2_1_func_type)(void *out, const void *in1, const void *in2, void *coeffp, integer index1, integer index2, integer len) |
Definition at line 39 of file swresample_internal.h.
Definition at line 41 of file swresample_internal.h.
typedef void(* resample_free_func)(struct ResampleContext **c) |
Definition at line 153 of file swresample_internal.h.
typedef int(* multiple_resample_func)(struct ResampleContext *c, AudioData *dst, int dst_size, AudioData *src, int src_size, int *consumed) |
Definition at line 154 of file swresample_internal.h.
typedef int(* resample_flush_func)(struct SwrContext *c) |
Definition at line 155 of file swresample_internal.h.
typedef int(* set_compensation_func)(struct ResampleContext *c, int sample_delta, int compensation_distance) |
Definition at line 156 of file swresample_internal.h.
typedef int64_t(* get_delay_func)(struct SwrContext *s, int64_t base) |
Definition at line 157 of file swresample_internal.h.
int swri_realloc_audio | ( | AudioData * | a, |
int | count | ||
) |
Definition at line 444 of file swresample.c.
Referenced by resample(), resample_flush(), swr_convert(), swr_convert_internal(), and swr_inject_silence().
int swri_resample_int16 | ( | struct ResampleContext * | c, |
int16_t * | dst, | ||
const int16_t * | src, | ||
int * | consumed, | ||
int | src_size, | ||
int | dst_size, | ||
int | update_ctx | ||
) |
Referenced by multiple_resample().
int swri_resample_int32 | ( | struct ResampleContext * | c, |
int32_t * | dst, | ||
const int32_t * | src, | ||
int * | consumed, | ||
int | src_size, | ||
int | dst_size, | ||
int | update_ctx | ||
) |
Referenced by multiple_resample().
int swri_resample_float | ( | struct ResampleContext * | c, |
float * | dst, | ||
const float * | src, | ||
int * | consumed, | ||
int | src_size, | ||
int | dst_size, | ||
int | update_ctx | ||
) |
Referenced by multiple_resample().
int swri_resample_double | ( | struct ResampleContext * | c, |
double * | dst, | ||
const double * | src, | ||
int * | consumed, | ||
int | src_size, | ||
int | dst_size, | ||
int | update_ctx | ||
) |
Referenced by multiple_resample().
void swri_noise_shaping_int16 | ( | SwrContext * | s, |
AudioData * | dsts, | ||
const AudioData * | srcs, | ||
const AudioData * | noises, | ||
int | count | ||
) |
Referenced by swr_convert_internal().
void swri_noise_shaping_int32 | ( | SwrContext * | s, |
AudioData * | dsts, | ||
const AudioData * | srcs, | ||
const AudioData * | noises, | ||
int | count | ||
) |
Referenced by swr_convert_internal().
void swri_noise_shaping_float | ( | SwrContext * | s, |
AudioData * | dsts, | ||
const AudioData * | srcs, | ||
const AudioData * | noises, | ||
int | count | ||
) |
Referenced by swr_convert_internal().
void swri_noise_shaping_double | ( | SwrContext * | s, |
AudioData * | dsts, | ||
const AudioData * | srcs, | ||
const AudioData * | noises, | ||
int | count | ||
) |
Referenced by swr_convert_internal().
int swri_rematrix_init | ( | SwrContext * | s | ) |
Definition at line 327 of file rematrix.c.
Referenced by swr_init().
void swri_rematrix_free | ( | SwrContext * | s | ) |
Definition at line 387 of file rematrix.c.
Referenced by swr_free(), and swr_init().
int swri_rematrix | ( | SwrContext * | s, |
AudioData * | out, | ||
AudioData * | in, | ||
int | len, | ||
int | mustcopy | ||
) |
Definition at line 393 of file rematrix.c.
Referenced by swr_convert_internal().
void swri_rematrix_init_x86 | ( | struct SwrContext * | s | ) |
Definition at line 152 of file swresample_x86.c.
Referenced by swri_rematrix_init().
void swri_get_dither | ( | SwrContext * | s, |
void * | dst, | ||
int | len, | ||
unsigned | seed, | ||
enum AVSampleFormat | noise_fmt | ||
) |
Definition at line 26 of file dither.c.
Referenced by swr_convert_internal().
int swri_dither_init | ( | SwrContext * | s, |
enum AVSampleFormat | out_fmt, | ||
enum AVSampleFormat | in_fmt | ||
) |
Definition at line 75 of file dither.c.
Referenced by swr_init().
void swri_audio_convert_init_arm | ( | struct AudioConvert * | ac, |
enum AVSampleFormat | out_fmt, | ||
enum AVSampleFormat | in_fmt, | ||
int | channels | ||
) |
Definition at line 48 of file audio_convert_init.c.
void swri_audio_convert_init_x86 | ( | struct AudioConvert * | ac, |
enum AVSampleFormat | out_fmt, | ||
enum AVSampleFormat | in_fmt, | ||
int | channels | ||
) |
Definition at line 33 of file swresample_x86.c.
struct Resampler const swri_resampler |
Definition at line 365 of file resample.c.
Referenced by swr_init().