StreamEventCallback
abstract class StreamEventCallback
| kotlin.Any | |
| ↳ | 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 | |
|---|---|
| Public methods | |
|---|---|
| open Unit |
onDataRequest(track: AudioTrack, sizeInFrames: Int)Called when more audio data can be written without blocking on an offloaded track. |
| open Unit |
onPresentationEnded(track: AudioTrack)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 |
| open Unit |
onTearDown(track: AudioTrack)Called when an offloaded track is no longer valid and has been discarded by the system. |
Public constructors
StreamEventCallback
StreamEventCallback()
Public methods
onDataRequest
open fun onDataRequest(
track: AudioTrack,
sizeInFrames: Int
): Unit
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
open fun onPresentationEnded(track: AudioTrack): Unit
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
open fun onTearDown(track: AudioTrack): Unit
Called when an offloaded track is no longer valid and has been discarded by the system.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. |