# ConcatenatingMediaSource.MediaSourceHolder

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

*** ** * ** ***


```
protected final class ConcatenatingMediaSource.MediaSourceHolder
```

<br />

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> [!CAUTION]
> **This class is deprecated.**   
> Deprecated in Java

Data class to hold playlist media sources together with meta data needed to process them.

## Summary

| ### Public fields |
|---|---|
| `final https://developer.android.com/reference/java/util/List.html<https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.MediaPeriodId>` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#activeMediaPeriodIds()` **This field is deprecated.** Deprecated in Java |
| `int` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#childIndex()` **This field is deprecated.** Deprecated in Java |
| `int` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#firstWindowIndexInChild()` **This field is deprecated.** Deprecated in Java |
| `boolean` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#isRemoved()` **This field is deprecated.** Deprecated in Java |
| `final https://developer.android.com/reference/androidx/media3/exoplayer/source/MaskingMediaSource` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#mediaSource()` **This field is deprecated.** Deprecated in Java |
| `final https://developer.android.com/reference/java/lang/Object.html` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#uid()` **This field is deprecated.** Deprecated in Java |

| ### Public constructors |
|---|
| `[MediaSourceHolder](https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#MediaSourceHolder(androidx.media3.exoplayer.source.MediaSource,boolean))(https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource mediaSource, boolean useLazyPreparation)` **This method is deprecated.** Deprecated in Java |

| ### Public methods |
|---|---|
| `void` | `[reset](https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#reset(int,int))(int childIndex, int firstWindowIndexInChild)` **This method is deprecated.** Deprecated in Java |

## Public fields

### activeMediaPeriodIds

```
public final List<MediaSource.MediaPeriodId> activeMediaPeriodIds
```

> [!CAUTION]
> **This field is deprecated.**   
> Deprecated in Java

### childIndex

```
public int childIndex
```

> [!CAUTION]
> **This field is deprecated.**   
> Deprecated in Java

### firstWindowIndexInChild

```
public int firstWindowIndexInChild
```

> [!CAUTION]
> **This field is deprecated.**   
> Deprecated in Java

### isRemoved

```
public boolean isRemoved
```

> [!CAUTION]
> **This field is deprecated.**   
> Deprecated in Java

### mediaSource

```
public final MaskingMediaSource mediaSource
```

> [!CAUTION]
> **This field is deprecated.**   
> Deprecated in Java

### uid

```
public final Object uid
```

> [!CAUTION]
> **This field is deprecated.**   
> Deprecated in Java

## Public constructors

### MediaSourceHolder

```
public [MediaSourceHolder](https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#MediaSourceHolder(androidx.media3.exoplayer.source.MediaSource,boolean))(MediaSource mediaSource, boolean useLazyPreparation)
```

> [!CAUTION]
> **This method is deprecated.**   
> Deprecated in Java

## Public methods

### reset

```
public void [reset](https://developer.android.com/reference/androidx/media3/exoplayer/source/ConcatenatingMediaSource.MediaSourceHolder#reset(int,int))(int childIndex, int firstWindowIndexInChild)
```

> [!CAUTION]
> **This method is deprecated.**   
> Deprecated in Java