DefaultAudioSink.AudioTrackBufferSizeProvider

Artifact: androidx.media3:media3-exoplayer

Kotlin |Java

public interface DefaultAudioSink.AudioTrackBufferSizeProvider

Known direct subclasses

DefaultAudioTrackBufferSizeProvider

DefaultAudioTrackBufferSizeProvider

Provide the buffer size to use when creating an AudioTrack.

Provides the buffer size to use when creating an AudioTrack.

Summary

Constants
`default static final DefaultAudioSink.AudioTrackBufferSizeProvider`	`DEFAULT` Default instance.

Public methods
`abstract int`	`getBufferSizeInBytes( int minBufferSizeInBytes, @C.Encoding int encoding, @DefaultAudioSink.OutputMode int outputMode, int pcmFrameSize, int sampleRate, int bitrate, double maxAudioTrackPlaybackSpeed )` Returns the buffer size to use when creating an `AudioTrack` for a specific format and output mode.

Constants

DEFAULT

default static final DefaultAudioSink.AudioTrackBufferSizeProvider DEFAULT

Default instance.

Public methods

getBufferSizeInBytes

abstract int getBufferSizeInBytes(
    int minBufferSizeInBytes,
    @C.Encoding int encoding,
    @DefaultAudioSink.OutputMode int outputMode,
    int pcmFrameSize,
    int sampleRate,
    int bitrate,
    double maxAudioTrackPlaybackSpeed
)

Returns the buffer size to use when creating an AudioTrack for a specific format and output mode.

Parameters
`int minBufferSizeInBytes`	The minimum buffer size in bytes required to play this format. See `getMinBufferSize`.
`@C.Encoding int encoding`	The `C.Encoding` of the format.
`@DefaultAudioSink.OutputMode int outputMode`	How the audio will be played. One of the `output modes`.
`int pcmFrameSize`	The size of the PCM frames if the `encoding` is PCM, 1 otherwise, in bytes.
`int sampleRate`	The sample rate of the format, in Hz.
`int bitrate`	The bitrate of the audio stream if the stream is compressed, or `NO_VALUE` if `encoding` is PCM or the bitrate is not known.
`double maxAudioTrackPlaybackSpeed`	The maximum speed the content will be played using `setPlaybackParams`. 0.5 is 2x slow motion, 1 is real time, 2 is 2x fast forward, etc. This will be `1` unless `setEnableAudioTrackPlaybackParams` is enabled.

Returns
`int`	The computed buffer size in bytes. It should always be `>= minBufferSizeInBytes`. The computed buffer size must contain an integer number of frames: `bufferSizeInBytes % pcmFrameSize == 0`.