MpegAudioUtil.Header | API reference

Artifact: androidx.media3:media3-extractor

Kotlin |Java

public final class MpegAudioUtil.Header

Stores the metadata for an MPEG audio frame.

Summary

Public fields
`int`	`bitrate` Bitrate of the frame in bit/s.
`int`	`channels` Number of audio channels in the frame.
`int`	`frameSize` Size of the frame associated with this header, in bytes.
`@Nullable String`	`mimeType` The MIME type.
`int`	`sampleRate` Sample rate in samples per second.
`int`	`samplesPerFrame` Number of samples stored in the frame.
`int`	`version` MPEG audio header version.

Public constructors
`Header()` Constructs an empty instance.
`Header(MpegAudioUtil.Header header)` Constructs an instance with values from `header`.

Public methods
`boolean`	`setForHeaderData(int headerData)` Populates the fields in this instance to reflect the MPEG audio header in `headerData`, returning whether the header was valid.

Public fields

bitrate

public int bitrate

Bitrate of the frame in bit/s.

channels

public int channels

Number of audio channels in the frame.

frameSize

public int frameSize

Size of the frame associated with this header, in bytes.

mimeType

public @Nullable String mimeType

The MIME type.

sampleRate

public int sampleRate

Sample rate in samples per second.

samplesPerFrame

public int samplesPerFrame

Number of samples stored in the frame.

version

public int version

MPEG audio header version.

Public constructors

public Header()

Constructs an empty instance.

public Header(MpegAudioUtil.Header header)

Constructs an instance with values from header.

Public methods

setForHeaderData

public boolean setForHeaderData(int headerData)

Populates the fields in this instance to reflect the MPEG audio header in headerData, returning whether the header was valid. If false, the values of the fields in this instance will not be updated.

Parameters
`int headerData`	Header data to parse.

Returns
`boolean`	True if the fields were populated. False otherwise, indicating that `headerData` is not a valid MPEG audio header.