# 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)

*** ** * ** ***

<br />

```
@UnstableApi
class Mp4AlternateGroupData : Metadata.Entry
```

<br />

*** ** * ** ***

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

## Summary

| ### Public constructors |
|---|
| `https://developer.android.com/reference/kotlin/androidx/media3/container/Mp4AlternateGroupData#Mp4AlternateGroupData(int)(alternateGroup: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)` |

| ### Public functions |
|---|---|
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html` | `https://developer.android.com/reference/kotlin/androidx/media3/container/Mp4AlternateGroupData#equals(java.lang.Object)(obj: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html?)` |
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/media3/container/Mp4AlternateGroupData#hashCode()()` |
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html!` | `https://developer.android.com/reference/kotlin/androidx/media3/container/Mp4AlternateGroupData#toString()()` |

| ### Public properties |
|---|---|
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/media3/container/Mp4AlternateGroupData#alternateGroup()` |

### Inherited functions

From [androidx.media3.common.Metadata.Entry](https://developer.android.com/reference/kotlin/androidx/media3/common/Metadata.Entry) `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-array/index.html<https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-byte/index.html>?` `https://developer.android.com/reference/kotlin/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/kotlin/androidx/media3/common/Format?` `https://developer.android.com/reference/kotlin/androidx/media3/common/Metadata.Entry#getWrappedMetadataFormat()()`

Returns the `https://developer.android.com/reference/kotlin/androidx/media3/common/Format` that can be used to decode the wrapped metadata in `https://developer.android.com/reference/kotlin/androidx/media3/common/Metadata.Entry#getWrappedMetadataBytes()`, or null if this Entry doesn't contain wrapped metadata.
`https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` `https://developer.android.com/reference/kotlin/androidx/media3/common/Metadata.Entry#populateMediaMetadata(androidx.media3.common.MediaMetadata.Builder)(builder: https://developer.android.com/reference/kotlin/androidx/media3/common/MediaMetadata.Builder!)`

Updates the `https://developer.android.com/reference/kotlin/androidx/media3/common/MediaMetadata.Builder` with the type-specific values stored in this ` Entry`.

## Public constructors

### Mp4AlternateGroupData

```
Mp4AlternateGroupData(alternateGroup: Int)
```

## Public functions

### equals

```
fun equals(obj: Any?): Boolean
```

### hashCode

```
fun hashCode(): Int
```

### toString

```
fun toString(): String!
```

## Public properties

### alternateGroup

```
val alternateGroup: Int
```