程序包 ohos.media.audio

类 AudioSwiftTrack

java.lang.Object

ohos.media.audio.AudioSwiftTrack

public class AudioSwiftTrack
extends java.lang.Object

Represents a low-latency and high-performance data tack for applications to play pulse-code modulation (PCM) audio via sessions.

Currently, this class is available for smart TVs only.

从以下版本开始:

5

构造器概要

构造器

限定符	构造器	说明
protected	AudioSwiftTrack(AudioSwiftSession session)	Represents a low-latency and high-performance data tack for applications to play pulse-code modulation (PCM) audio via sessions.

方法概要

限定符和类型	方法	说明
boolean	write(byte[] data, int offset, int size)	Writes PCM data.

从类继承的方法 java.lang.Object

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

构造器详细资料

AudioSwiftTrack

protected AudioSwiftTrack(AudioSwiftSession session)

Represents a low-latency and high-performance data tack for applications to play pulse-code modulation (PCM) audio via sessions.

Currently, this class is available for smart TVs only.

从以下版本开始:

5

方法详细资料

write

public boolean write(byte[] data,
                     int offset,
                     int size)

Writes PCM data.

This method can be called only after the session is started by AudioSwiftSession#start(). Currently, only 16-bit, 48000 Hz, and dual-channel PCM data is supported.

参数:

data - Indicates the PCM data to write.

offset - Indicates the offset (in bytes) where the data writing starts.

size - Indicates the length (in bytes) of the PCM data to write.

返回:

Returns true if the operation is successful; returns false otherwise.

从以下版本开始:

5