com.smartdevicelink.managers.audio

Class AudioStreamManager

java.lang.Object

com.smartdevicelink.managers.BaseSubManager

com.smartdevicelink.managers.audio.AudioStreamManager

public class AudioStreamManager
extends BaseSubManager

The AudioStreamManager class provides methods to start and stop an audio stream to the connected device. Audio files can be pushed to the manager in order to play them on the connected device. The manager uses the Android built-in MediaCodec.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	AudioStreamManager.SampleType

Field Summary

Fields inherited from class com.smartdevicelink.managers.BaseSubManager

ERROR, internalInterface, LIMITED, READY, SETTING_UP, SHUTDOWN

Constructor Summary

Constructors

Constructor and Description
AudioStreamManager(ISdl internalInterface, Context context) Creates a new object of AudioStreamManager

Method Summary

Modifier and Type	Method and Description
void	dispose() Called when manager is being torn down
protected void	onTransportUpdate(List<TransportRecord> connectedTransports, boolean audioStreamTransportAvail, boolean videoStreamTransportAvail) Transport status has been updated
void	pushAudioSource(Uri audioSource, CompletionListener completionListener) Pushes the specified audio file to the playback queue.
void	pushBuffer(ByteBuffer data, CompletionListener completionListener) Pushes raw audio data to SDL Core.
void	pushResource(int resourceId, CompletionListener completionListener) Pushes the specified resource file to the playback queue.
void	start(CompletionListener listener) Starts up a BaseSubManager, and calls provided callback once BaseSubManager is done setting up or failed setup.
void	startAudioStream(boolean encrypted, CompletionListener completionListener) Starts the audio service and audio stream to the connected device.
protected IAudioStreamListener	startAudioStream(SdlSession session)
protected boolean	stopAudioStream()
void	stopAudioStream(CompletionListener completionListener) Stops the audio service and audio stream to the connected device.

Methods inherited from class com.smartdevicelink.managers.BaseSubManager

getState, handleTransportUpdated, transitionToState

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AudioStreamManager

public AudioStreamManager(@NonNull
                          ISdl internalInterface,
                          @NonNull
                          Context context)

Creates a new object of AudioStreamManager

Parameters:

internalInterface - The internal interface to the connected device.

Method Detail

start

public void start(CompletionListener listener)

Description copied from class: BaseSubManager

Starts up a BaseSubManager, and calls provided callback once BaseSubManager is done setting up or failed setup.

Overrides:

start in class BaseSubManager

Parameters:

listener - CompletionListener that is called once the BaseSubManager's state is READY, LIMITED, or ERROR

dispose

public void dispose()

Description copied from class: BaseSubManager

Called when manager is being torn down

Overrides:

dispose in class BaseSubManager

startAudioStream

public void startAudioStream(boolean encrypted,
                             CompletionListener completionListener)

Starts the audio service and audio stream to the connected device. The method is non-blocking.

Parameters:

encrypted - Specify whether or not the audio stream should be encrypted.

stopAudioStream

public void stopAudioStream(CompletionListener completionListener)

Stops the audio service and audio stream to the connected device. The method is non-blocking.

pushResource

public void pushResource(int resourceId,
                         CompletionListener completionListener)

Pushes the specified resource file to the playback queue. The audio file will be played immediately. If another audio file is currently playing the specified file will stay queued and automatically played when ready.

Parameters:

resourceId - The specified resource file to be played.

completionListener - A completion listener that informs when the audio file is played.

pushAudioSource

public void pushAudioSource(Uri audioSource,
                            CompletionListener completionListener)

Pushes the specified audio file to the playback queue. The audio file will be played immediately. If another audio file is currently playing the specified file will stay queued and automatically played when ready.

Parameters:

audioSource - The specified audio file to be played.

completionListener - A completion listener that informs when the audio file is played.

pushBuffer

public void pushBuffer(ByteBuffer data,
                       CompletionListener completionListener)

Pushes raw audio data to SDL Core. The audio file will be played immediately. If another audio file is currently playing, the specified file will stay queued and automatically played when ready.

Parameters:

data - Audio raw data to send.

completionListener - A completion listener that informs when the audio file is played.

onTransportUpdate

protected void onTransportUpdate(List<TransportRecord> connectedTransports,
                                 boolean audioStreamTransportAvail,
                                 boolean videoStreamTransportAvail)

Description copied from class: BaseSubManager

Transport status has been updated

Overrides:

onTransportUpdate in class BaseSubManager

Parameters:

connectedTransports - currently connected transports

audioStreamTransportAvail - if there is a transport that could be used to carry the audio service

videoStreamTransportAvail - if there is a transport that could be used to carry the video service

startAudioStream

protected IAudioStreamListener startAudioStream(SdlSession session)

stopAudioStream

protected boolean stopAudioStream()