# Mp4AlternateGroupData

Artifact: [androidx.media3:media3-container](https://developer.android.com/jetpack/androidx/releases/media3) [View Source](https://cs.android.com/search?q=file:androidx/media3/container/Mp4AlternateGroupData.java+class:androidx.media3.container.Mp4AlternateGroupData)

*** ** * ** ***


```
@UnstableApi
public final class Mp4AlternateGroupData implements Metadata.Entry
```

<br />

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Stores MP4 `alternate_group` info parsed from a `tkhd` box.

## Summary

| ### Public fields |
|---|---|
| `final int` | `https://developer.android.com/reference/androidx/media3/container/Mp4AlternateGroupData#alternateGroup()` |

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/media3/container/Mp4AlternateGroupData#Mp4AlternateGroupData(int)(int alternateGroup)` |

| ### Public methods |
|---|---|
| `boolean` | `https://developer.android.com/reference/androidx/media3/container/Mp4AlternateGroupData#equals(java.lang.Object)(@https://developer.android.com/reference/androidx/annotation/Nullable https://developer.android.com/reference/java/lang/Object.html obj)` |
| `int` | `https://developer.android.com/reference/androidx/media3/container/Mp4AlternateGroupData#hashCode()()` |
| `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/media3/container/Mp4AlternateGroupData#toString()()` |

| ### Inherited methods |
|---|
| From [androidx.media3.common.Metadata.Entry](https://developer.android.com/reference/androidx/media3/common/Metadata.Entry) |---|---| | `@https://developer.android.com/reference/androidx/annotation/Nullable byte[]` | `https://developer.android.com/reference/androidx/media3/common/Metadata.Entry#getWrappedMetadataBytes()()` Returns the bytes of the wrapped metadata in this Entry, or null if it doesn't contain wrapped metadata. | | `@https://developer.android.com/reference/androidx/annotation/Nullable https://developer.android.com/reference/androidx/media3/common/Format` | `https://developer.android.com/reference/androidx/media3/common/Metadata.Entry#getWrappedMetadataFormat()()` Returns the `https://developer.android.com/reference/androidx/media3/common/Format` that can be used to decode the wrapped metadata in `https://developer.android.com/reference/androidx/media3/common/Metadata.Entry#getWrappedMetadataBytes()`, or null if this Entry doesn't contain wrapped metadata. | | `void` | `https://developer.android.com/reference/androidx/media3/common/Metadata.Entry#populateMediaMetadata(androidx.media3.common.MediaMetadata.Builder)(https://developer.android.com/reference/androidx/media3/common/MediaMetadata.Builder builder)` Updates the `https://developer.android.com/reference/androidx/media3/common/MediaMetadata.Builder` with the type-specific values stored in this ` Entry`. | |

## Public fields

### alternateGroup

```
public final int alternateGroup
```

## Public constructors

### Mp4AlternateGroupData

```
public Mp4AlternateGroupData(int alternateGroup)
```

## Public methods

### equals

```
public boolean equals(@Nullable Object obj)
```

### hashCode

```
public int hashCode()
```

### toString

```
public String toString()
```