audio_src_pcmrtos.c File Reference

This file implement audio source element of pcmrtos. More...

#include "pipeline.h"
#include "audio_cfg.h"
#include "audio_src_pcmrtos.h"
#include <string.h>

Functions
AudioSrcStreamErrorType	audiosrc_pcmrtos_init_params (ElementAudioSrc *audio_src_element)
	This function initializes the PCM manager device parameters. More...
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_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...
AudioSrcStreamErrorType	audio_src_pcmrtos_read_device (ElementAudioSrc *audio_src_element, uint32_t length, StreamBuffer *buf)
	Audio source pcmrtos device read function. More...

Function Documentation

audiosrc_pcmrtos_init_params()

AudioSrcStreamErrorType audiosrc_pcmrtos_init_params

(

ElementAudioSrc *

audio_src_element

)

Parameters

audio_src_element

pointer to an audio src instance

Returns

AudioSrcStreamErrorType

Return values

AUDIO_SRC_SUCCESS	successful
AUDIO_SRC_ERROR_INVALID_ARGS	invalid argument
AUDIO_SRC_FAILED	failed to get pcm manager file handle

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_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

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