audio_src_pcmrtos.h File Reference

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

#include "audio_src.h"
#include "streamer_pcm.h"
#include "streamer.h"

Data Structures
struct	AudioSrcBufferQueue_t
struct	PCMRtosDeviceInfo
	PCM Source device information. More...

Macros
#define	AUDIO_SRC_BUFFER_NUM   (3)
	Audio source buffer number.
#define	SIZE_ALIGNMENT   32
	Buffer size alignment.

Functions
AudioSrcStreamErrorType	audio_src_pcmrtos_init_device (ElementAudioSrc *audio_src_element)
	Audio source pcmrtos device initialization function. More...
AudioSrcStreamErrorType	audio_src_pcmrtos_deinit_device (ElementAudioSrc *audio_src_element)
	Audio source pcmrtos device deinitialization function. More...
AudioSrcStreamErrorType	audio_src_pcmrtos_read_device (ElementAudioSrc *audio_src_element, uint32_t length, StreamBuffer *buf)
	Audio source pcmrtos device read function. More...
AudioSrcStreamErrorType	audio_src_pcmrtos_start_device (ElementAudioSrc *audio_src_element)
	Audio source pcmrtos device start device function. More...
AudioSrcStreamErrorType	audio_src_pcmrtos_stop_device (ElementAudioSrc *audio_src_element)
	Audio source pcmrtos device stop device function. More...

Function Documentation

audio_src_pcmrtos_init_device()

AudioSrcStreamErrorType audio_src_pcmrtos_init_device

(

ElementAudioSrc *

audio_src_element

)

Parameters

audio_src_element

Audio source pointer

Returns

AudioSrcStreamErrorType

audio_src_pcmrtos_deinit_device()

AudioSrcStreamErrorType audio_src_pcmrtos_deinit_device

(

ElementAudioSrc *

audio_src_element

)

Parameters

audio_src_element

Audio source pointer

Returns

AudioSrcStreamErrorType

audio_src_pcmrtos_read_device()

AudioSrcStreamErrorType audio_src_pcmrtos_read_device	(	ElementAudioSrc *	audio_src_element,
		uint32_t	length,
		StreamBuffer *	buf
	)

Parameters

audio_src_element	Audio source pointer
length	Length to be read
buf	buffer pointer

Returns

AudioSrcStreamErrorType

audio_src_pcmrtos_start_device()

AudioSrcStreamErrorType audio_src_pcmrtos_start_device

(

ElementAudioSrc *

audio_src_element

)

Parameters

audio_src_element

Audio source pointer

Returns

AudioSrcStreamErrorType

audio_src_pcmrtos_stop_device()

AudioSrcStreamErrorType audio_src_pcmrtos_stop_device

(

ElementAudioSrc *

audio_src_element

)

Parameters

audio_src_element

Audio source pointer

Returns

AudioSrcStreamErrorType