AudioData Struct Reference

Audio buffer used for intermediate storage between conversion phases. More...

#include <audio_data.h>

Data Fields

AVClass * class

int fd

int sample_rate

int channels

channel count

int frame_size

enum AVCodecID codec_id

unsigned int flip_left: 1

uint8_t buffer [AUDIO_BLOCK_SIZE]

int buffer_ptr

const AVClass * class

AVClass for logging.

uint8_t * data [AVRESAMPLE_MAX_CHANNELS]

data plane pointers

uint8_t * buffer

data buffer

unsigned int buffer_size

allocated buffer size

int allocated_samples

number of samples the buffer can hold

int nb_samples

current number of samples

enum AVSampleFormat sample_fmt

sample format

int allocated_channels

allocated channel count

int is_planar

sample format is planar

int planes

number of data planes

int sample_size

bytes per sample

int stride

sample byte offset within a plane

int read_only

data is read-only

int allow_realloc

realloc is allowed

int ptr_align

minimum data pointer alignment

int samples_align

allocated samples alignment

const char * name

name for debug logging

uint8_t * ch [SWR_CH_MAX]

samples buffer per channel

int ch_count

number of channels

int bps

bytes per sample

int count

number of samples

int planar

1 if planar audio, 0 otherwise

enum AVSampleFormat fmt

sample format

Detailed Description

Audio buffer used for intermediate storage between conversion phases.

Definition at line 46 of file oss_audio.c.

Field Documentation

int AudioData::allocated_channels

allocated channel count

Definition at line 43 of file audio_data.h.

Referenced by avresample_convert(), ff_audio_data_alloc(), ff_audio_data_init(), ff_audio_data_realloc(), and ff_audio_data_set_channels().

int AudioData::allocated_samples

number of samples the buffer can hold

Definition at line 39 of file audio_data.h.

Referenced by ff_audio_data_init(), ff_audio_data_realloc(), ff_audio_resample(), and handle_buffered_output().

int AudioData::allow_realloc

realloc is allowed

Definition at line 49 of file audio_data.h.

Referenced by ff_audio_data_alloc(), ff_audio_data_init(), ff_audio_data_realloc(), and ff_audio_resample().

int AudioData::bps

bytes per sample

Definition at line 38 of file swresample_internal.h.

Referenced by buf_set(), copy(), fill_audiodata(), for(), realloc_audio(), set_audiodata_fmt(), swr_convert(), swr_convert_internal(), swr_inject_silence(), and swri_rematrix().

uint8_t* AudioData::buffer

data buffer

Definition at line 37 of file audio_data.h.

uint8_t AudioData::buffer[AUDIO_BLOCK_SIZE]

Definition at line 54 of file oss_audio.c.

Referenced by audio_write_packet(), and ff_audio_data_realloc().

int AudioData::buffer_ptr

Definition at line 55 of file oss_audio.c.

Referenced by audio_write_packet().

unsigned int AudioData::buffer_size

allocated buffer size

Definition at line 38 of file audio_data.h.

Referenced by ff_audio_data_realloc().

uint8_t* AudioData::ch[SWR_CH_MAX]

samples buffer per channel

Definition at line 35 of file swresample_internal.h.

Referenced by buf_set(), copy(), fill_audiodata(), for(), realloc_audio(), reversefill_audiodata(), swr_convert(), swr_convert_internal(), swr_init(), swr_inject_silence(), swri_multiple_resample(), and swri_rematrix().

int AudioData::ch_count

number of channels

Definition at line 37 of file swresample_internal.h.

Referenced by buf_set(), copy(), fill_audiodata(), for(), realloc_audio(), resample(), reversefill_audiodata(), swr_convert(), swr_convert_internal(), swr_init(), swr_inject_silence(), swri_multiple_resample(), and swri_rematrix().

int AudioData::channels

channel count

Definition at line 50 of file oss_audio.c.

Referenced by audio_open(), audio_read_header(), audio_read_packet(), audio_write_header(), ff_audio_data_alloc(), ff_audio_data_combine(), ff_audio_data_copy(), ff_audio_data_init(), ff_audio_data_set_channels(), and ff_audio_resample().

const AVClass* AudioData::class

AVClass for logging.

Definition at line 35 of file audio_data.h.

AVClass* AudioData::class

Definition at line 47 of file oss_audio.c.

Referenced by ff_audio_data_alloc(), and ff_audio_data_init().

enum AVCodecID AudioData::codec_id

Definition at line 52 of file oss_audio.c.

Referenced by audio_open(), and audio_read_header().

int AudioData::count

number of samples

Definition at line 39 of file swresample_internal.h.

Referenced by realloc_audio(), resample(), swr_convert(), swr_convert_internal(), and swr_inject_silence().

uint8_t * AudioData::data

data plane pointers

samples buffer

Definition at line 36 of file audio_data.h.

Referenced by calc_ptr_alignment(), ff_audio_data_add_to_fifo(), ff_audio_data_combine(), ff_audio_data_copy(), ff_audio_data_drain(), ff_audio_data_init(), ff_audio_data_read_from_fifo(), ff_audio_data_realloc(), ff_audio_mix(), ff_audio_resample(), free_temp(), realloc_audio(), swr_convert(), and swr_inject_silence().

int AudioData::fd

Definition at line 48 of file oss_audio.c.

Referenced by audio_close(), audio_open(), audio_read_packet(), and audio_write_packet().

unsigned int AudioData::flip_left

Definition at line 53 of file oss_audio.c.

Referenced by audio_open(), and audio_read_packet().

enum AVSampleFormat AudioData::fmt

sample format

Definition at line 41 of file swresample_internal.h.

Referenced by resample(), set_audiodata_fmt(), and swri_rematrix_init().

int AudioData::frame_size

Definition at line 51 of file oss_audio.c.

Referenced by audio_open(), and audio_read_packet().

int AudioData::is_planar

sample format is planar

Definition at line 44 of file audio_data.h.

Referenced by ff_audio_data_alloc(), ff_audio_data_init(), ff_audio_data_realloc(), and ff_audio_data_set_channels().

const char* AudioData::name

name for debug logging

Definition at line 52 of file audio_data.h.

Referenced by avresample_convert(), ff_audio_data_alloc(), ff_audio_data_init(), and handle_buffered_output().

int AudioData::nb_samples

current number of samples

Definition at line 40 of file audio_data.h.

Referenced by avresample_convert(), avresample_get_delay(), ff_audio_data_add_to_fifo(), ff_audio_data_combine(), ff_audio_data_copy(), ff_audio_data_drain(), ff_audio_data_init(), ff_audio_data_read_from_fifo(), ff_audio_data_realloc(), ff_audio_mix(), ff_audio_resample(), and handle_buffered_output().

int AudioData::planar

1 if planar audio, 0 otherwise

Definition at line 40 of file swresample_internal.h.

Referenced by buf_set(), copy(), fill_audiodata(), for(), realloc_audio(), resample(), reversefill_audiodata(), set_audiodata_fmt(), swr_convert(), swr_convert_internal(), and swr_inject_silence().

int AudioData::planes

number of data planes

Definition at line 45 of file audio_data.h.

Referenced by calc_ptr_alignment(), ff_audio_data_add_to_fifo(), ff_audio_data_alloc(), ff_audio_data_combine(), ff_audio_data_copy(), ff_audio_data_drain(), ff_audio_data_init(), ff_audio_data_realloc(), and ff_audio_data_set_channels().

int AudioData::ptr_align

minimum data pointer alignment

Definition at line 50 of file audio_data.h.

Referenced by calc_ptr_alignment(), and ff_audio_mix().

int AudioData::read_only

data is read-only

Definition at line 48 of file audio_data.h.

Referenced by ff_audio_data_alloc(), ff_audio_data_combine(), ff_audio_data_init(), ff_audio_data_read_from_fifo(), ff_audio_data_realloc(), and ff_audio_resample().

enum AVSampleFormat AudioData::sample_fmt

sample format

Definition at line 41 of file audio_data.h.

Referenced by ff_audio_data_alloc(), ff_audio_data_combine(), ff_audio_data_copy(), ff_audio_data_init(), and ff_audio_data_realloc().

int AudioData::sample_rate

Definition at line 49 of file oss_audio.c.

Referenced by audio_open(), audio_read_header(), audio_read_packet(), and audio_write_header().

int AudioData::sample_size

bytes per sample

Definition at line 46 of file audio_data.h.

Referenced by ff_audio_data_alloc(), and ff_audio_data_init().

int AudioData::samples_align

allocated samples alignment

Definition at line 51 of file audio_data.h.

Referenced by ff_audio_data_init(), ff_audio_data_realloc(), and ff_audio_mix().

int AudioData::stride

sample byte offset within a plane

Definition at line 47 of file audio_data.h.

Referenced by ff_audio_data_add_to_fifo(), ff_audio_data_alloc(), ff_audio_data_combine(), ff_audio_data_copy(), ff_audio_data_drain(), ff_audio_data_init(), and ff_audio_data_realloc().

The documentation for this struct was generated from the following files:

libavdevice/oss_audio.c
libavresample/audio_data.h
libswresample/swresample_internal.h


Data Fields
AVClass *	class
int	fd
int	sample_rate
int	channels
	channel count
int	frame_size
enum AVCodecID	codec_id
unsigned int	flip_left: 1
uint8_t	buffer [AUDIO_BLOCK_SIZE]
int	buffer_ptr
const AVClass *	class
	AVClass for logging.
uint8_t *	data [AVRESAMPLE_MAX_CHANNELS]
	data plane pointers
uint8_t *	buffer
	data buffer
unsigned int	buffer_size
	allocated buffer size
int	allocated_samples
	number of samples the buffer can hold
int	nb_samples
	current number of samples
enum AVSampleFormat	sample_fmt
	sample format
int	allocated_channels
	allocated channel count
int	is_planar
	sample format is planar
int	planes
	number of data planes
int	sample_size
	bytes per sample
int	stride
	sample byte offset within a plane
int	read_only
	data is read-only
int	allow_realloc
	realloc is allowed
int	ptr_align
	minimum data pointer alignment
int	samples_align
	allocated samples alignment
const char *	name
	name for debug logging
uint8_t *	ch [SWR_CH_MAX]
	samples buffer per channel
int	ch_count
	number of channels
int	bps
	bytes per sample
int	count
	number of samples
int	planar
	1 if planar audio, 0 otherwise
enum AVSampleFormat	fmt
	sample format