audio_sink_pcmrtos.c File Reference

This file contains the implementation for the pcmrtos Audio Sink Interface. More...

#include <string.h>
#include "pipeline.h"
#include "audio_cfg.h"
#include "audio_sink_pcmrtos.h"
#include "audio_sink.h"
#include "streamer_element_properties.h"

Functions
AudioSinkStreamErrorType	audiosink_pcmrtos_init_params (ElementAudioSink *audio_sink_ptr)
	Audio sink pcmrtos init parameters. More...
AudioSinkStreamErrorType	audiosink_pcmrtos_init_device (ElementAudioSink *audio_sink_ptr)
	Audio sink pcmrtos init device. More...
AudioSinkStreamErrorType	audiosink_pcmrtos_deinit_device (ElementAudioSink *audio_sink_ptr)
	Audio sink pcmrtos deinit device. More...
uint8_t	audiosink_pcmrtos_sink_pad_activation_handler (StreamPad *pad, uint8_t active)
	Audio sink pcmrtos sink pad activation handler. More...
FlowReturn	audiosink_pcmrtos_sink_pad_chain_handler (StreamPad *pad, StreamBuffer *buffer)
	Audio sink pcmrtos sink pad chain handler. More...
uint8_t	audiosink_pcmrtos_sink_pad_event_handler (StreamPad *pad, StreamEvent *event)
	Audio sink pcmrtos pad event handler. More...
uint8_t	audiosink_pcmrtos_sink_pad_query_handler (StreamPad *pad, StreamQuery *query)
	Audio sink pcmrtos pad query handler. More...
AudioSinkStreamErrorType	audiosink_pcmrtos_start_device (ElementAudioSink *audio_sink_ptr)
	Audio sink pcmrtos start device. More...
AudioSinkStreamErrorType	audiosink_pcmrtos_stop_device (ElementAudioSink *audio_sink_ptr)
	Audio sink pcmrtos stop device. More...
AudioSinkStreamErrorType	audiosink_pcmrtos_play_device (ElementAudioSink *audio_sink_ptr)
	Audio sink pcmrtos play device. More...
AudioSinkStreamErrorType	audiosink_pcmrtos_pause_device (ElementAudioSink *audio_sink_ptr)
	Audio sink pcmrtos pause device. More...
AudioSinkStreamErrorType	audiosink_pcmrtos_set_volume (ElementAudioSink *audio_sink_ptr, int volume)
	Audio sink pcmrtos set volume. More...

Variables
const AudioSinkPadDeviceIOFuncType	audio_sink_device_pcmrtos
	Audio sink device function pointers. More...

Function Documentation

audiosink_pcmrtos_init_params()

AudioSinkStreamErrorType audiosink_pcmrtos_init_params

(

ElementAudioSink *

audio_sink_ptr

)

Parameters

audio_sink_ptr

Audio sink pointer

Returns

AudioSinkStreamErrorType

audiosink_pcmrtos_init_device()

AudioSinkStreamErrorType audiosink_pcmrtos_init_device

(

ElementAudioSink *

audio_sink_ptr

)

Parameters

audio_sink_ptr

Audio sink pointer

Returns

AudioSinkStreamErrorType

audiosink_pcmrtos_deinit_device()

AudioSinkStreamErrorType audiosink_pcmrtos_deinit_device

(

ElementAudioSink *

audio_sink_ptr

)

Parameters

audio_sink_ptr

Audio sink pointer

Returns

AudioSinkStreamErrorType

audiosink_pcmrtos_sink_pad_activation_handler()

uint8_t audiosink_pcmrtos_sink_pad_activation_handler	(	StreamPad *	pad,
		uint8_t	active
	)

Parameters

pad	Pad to be activated/deactivated
active	Activate/deactivate

Returns

uint8_t

audiosink_pcmrtos_sink_pad_chain_handler()

FlowReturn audiosink_pcmrtos_sink_pad_chain_handler	(	StreamPad *	pad,
		StreamBuffer *	buffer
	)

Handle the data buffer and send it to the appropriate audio device

Parameters

pad	Pad pointer
buffer	Buffer pointer

Returns

FlowReturn

audiosink_pcmrtos_sink_pad_event_handler()

uint8_t audiosink_pcmrtos_sink_pad_event_handler	(	StreamPad *	pad,
		StreamEvent *	event
	)

Parameters

pad	Pad pointer
event	Event to be handled

Returns

uint8_t

audiosink_pcmrtos_sink_pad_query_handler()

uint8_t audiosink_pcmrtos_sink_pad_query_handler	(	StreamPad *	pad,
		StreamQuery *	query
	)

Parameters

pad	Pad pointer
query	Query pointer

Returns

uint8_t

audiosink_pcmrtos_start_device()

AudioSinkStreamErrorType audiosink_pcmrtos_start_device

(

ElementAudioSink *

audio_sink_ptr

)

Parameters

audio_sink_ptr

Audio sink pointer

Returns

AudioSinkStreamErrorType

audiosink_pcmrtos_stop_device()

AudioSinkStreamErrorType audiosink_pcmrtos_stop_device

(

ElementAudioSink *

audio_sink_ptr

)

Parameters

audio_sink_ptr

Audio sink pointer

Returns

AudioSinkStreamErrorType

audiosink_pcmrtos_play_device()

AudioSinkStreamErrorType audiosink_pcmrtos_play_device

(

ElementAudioSink *

audio_sink_ptr

)

Parameters

audio_sink_ptr

Audio sink pointer

Returns

AudioSinkStreamErrorType

audiosink_pcmrtos_pause_device()

AudioSinkStreamErrorType audiosink_pcmrtos_pause_device

(

ElementAudioSink *

audio_sink_ptr

)

Parameters

audio_sink_ptr

Audio sink pointer

Returns

AudioSinkStreamErrorType

audiosink_pcmrtos_set_volume()

AudioSinkStreamErrorType audiosink_pcmrtos_set_volume	(	ElementAudioSink *	audio_sink_ptr,
		int	volume
	)

Parameters

audio_sink_ptr	Audio sink pointer
volume	Volume to be set

Returns

AudioSinkStreamErrorType

Variable Documentation

audio_sink_device_pcmrtos

const AudioSinkPadDeviceIOFuncType audio_sink_device_pcmrtos

Initial value:

= {
    audiosink_pcmrtos_init_device,
    audiosink_pcmrtos_deinit_device,
    audiosink_pcmrtos_sink_pad_activation_handler,
    audiosink_pcmrtos_sink_pad_chain_handler,
    audiosink_pcmrtos_sink_pad_event_handler,
    audiosink_pcmrtos_sink_pad_query_handler,
    NULL,
    audiosink_pcmrtos_start_device,
    audiosink_pcmrtos_stop_device,
    audiosink_pcmrtos_play_device,
    audiosink_pcmrtos_pause_device,
    audiosink_pcmrtos_set_volume,
}