This is the header file for the audio source element. More...

#include "streamer_element.h"
#include "streamer_element_properties.h"

Macros
#define	AUDIOSRC_DEFAULT_CHUNK_SIZE (1024)
	Audio source default chunk size.

#define	AUDIOSRC_DEFAULT_NUM_CHANNELS (1)
	Audio source default number of channels.

#define	AUDIOSRC_DEFAULT_BITS_PER_SAMPLE (16)
	Audio source default bits per sample.

#define	AUDIOSRC_DEFAULT_SAMPLE_RATE (48000)
	Audio source default sample rate.

#define	AUDIOSRC_DEFAULT_SIGN (1)
	Audio source default sign.

#define	AUDIOSRC_DEFAULT_FRAME_MS (10)
	Audio source default frame size in ms.

Enumerations
enum	AudioSrcStreamErrorType { AUDIOSRC_SUCCESS = 0 , AUDIOSRC_FAILED = -1 , AUDIOSRC_ERROR_INVALID_ARGS = -2 , AUDIOSRC_ERROR_NEED_DATA = -3 , AUDIOSRC_ERROR_OSA_ERROR = -4 , AUDIOSRC_ERROR_OUT_OF_HEAP_MEMORY = -5 , AUDIOSRC_ERROR_OUT_OF_STACK_MEMORY = -6 , AUDIOSRC_ERROR_UNDEFINED_STREAM_PROPERTY_TYPE = -7 , AUDIOSRC_ERROR_READONLY_STREAM_PROPERTY_TYPE = -8 , AUDIOSRC_ERROR_UNHANDLED_EVENT = -9 , AUDIOSRC_ERROR_PAD = -10 , AUDIOSRC_ERROR_DEVICE_OPEN_FAILED = -11 , AUDIOSRC_ERROR_DEVICE_CLOSE_FAILED = -12 , AUDIOSRC_ERROR_READ_TIME_OUT = -13 }
	AudioSourceStreamErrorType. More...

enum	AudioSrcDeviceStateType { AUDIO_SRC_DEVICE_STATE_CLOSED = 0 , AUDIO_SRC_DEVICE_STATE_OPENED , LAST_AUDIO_SRC_DEVICE_STATE_TYPE }
	audio sink device state More...

Functions

int32_t	audiosrc_init (StreamElement *element)
	This function initializes audio source element and its source pads. More...

Enumeration Type Documentation

◆ AudioSrcStreamErrorType

Potential Return Values (Error Codes) for Audio Source Operations

Enumerator
AUDIO_SRC_DEVICE_STATE_CLOSED	device is closed
AUDIO_SRC_DEVICE_STATE_OPENED	device is opened

int32_t audiosrc_init ( StreamElement * element )

Parameters

element audio source element

Return values

AUDIOSRC_SUCCESS	success
AUDIOSRC_ERROR_INVALID_ARGS	invalid argument