AudioTrack.StreamEventCallback
public
static
abstract
class
AudioTrack.StreamEventCallback
extends Object
java.lang.Object | |
↳ | android.media.AudioTrack.StreamEventCallback |
Abstract class to receive event notifications about the stream playback in offloaded mode.
See AudioTrack#registerStreamEventCallback(Executor, StreamEventCallback)
to register
the callback on the given AudioTrack
instance.
Summary
Public constructors | |
---|---|
StreamEventCallback()
|
Public methods | |
---|---|
void
|
onDataRequest(AudioTrack track, int sizeInFrames)
Called when more audio data can be written without blocking on an offloaded track. |
void
|
onPresentationEnded(AudioTrack track)
Called when all the buffers of an offloaded track that were queued in the audio system
(e.g. the combination of the Android audio framework and the device's audio hardware)
have been played after |
void
|
onTearDown(AudioTrack track)
Called when an offloaded track is no longer valid and has been discarded by the system. |
Inherited methods | |
---|---|
Public constructors
StreamEventCallback
public StreamEventCallback ()
Public methods
onDataRequest
public void onDataRequest (AudioTrack track, int sizeInFrames)
Called when more audio data can be written without blocking on an offloaded track.
Parameters | |
---|---|
track |
AudioTrack : the AudioTrack on which the event happened.
This value cannot be null . |
sizeInFrames |
int : the number of frames available to write without blocking.
Note that the frame size of a compressed stream is 1 byte.
Value is 0 or greater |
onPresentationEnded
public void onPresentationEnded (AudioTrack track)
Called when all the buffers of an offloaded track that were queued in the audio system
(e.g. the combination of the Android audio framework and the device's audio hardware)
have been played after AudioTrack#stop()
has been called.
Parameters | |
---|---|
track |
AudioTrack : the AudioTrack on which the event happened.
This value cannot be null . |
onTearDown
public void onTearDown (AudioTrack track)
Called when an offloaded track is no longer valid and has been discarded by the system. An example of this happening is when an offloaded track has been paused too long, and gets invalidated by the system to prevent any other offload.
Parameters | |
---|---|
track |
AudioTrack : the AudioTrack on which the event happened.
This value cannot be null . |