# ForwardingMediaSourceFactory

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/ForwardingMediaSourceFactory.java+class:androidx.media3.exoplayer.source.ForwardingMediaSourceFactory)

*** ** * ** ***


```
@UnstableApi
public class ForwardingMediaSourceFactory implements MediaSource.Factory
```

<br />

*** ** * ** ***

A forwarding `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` that forwards all methods to the underlying implementation.

## Summary

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/ForwardingMediaSourceFactory#ForwardingMediaSourceFactory(androidx.media3.exoplayer.source.MediaSource.Factory)(https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory factory)` Creates a forwarding `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory`. |

| ### Public methods |
|---|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ForwardingMediaSourceFactory#createMediaSource(androidx.media3.common.MediaItem)(https://developer.android.com/reference/androidx/media3/common/MediaItem mediaItem)` Creates a new `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource` with the specified `https://developer.android.com/reference/androidx/media3/common/MediaItem`. |
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ForwardingMediaSourceFactory#experimentalParseSubtitlesDuringExtraction(boolean)( boolean parseSubtitlesDuringExtraction )` **This method is deprecated.** This method (and all support for 'legacy' subtitle decoding during rendering) will be removed in a future release. <br /> |
| `int[]` | `@https://developer.android.com/reference/androidx/media3/common/C.ContentType https://developer.android.com/reference/androidx/media3/exoplayer/source/ForwardingMediaSourceFactory#getSupportedTypes()()` Returns the `https://developer.android.com/reference/androidx/media3/common/C.ContentType` supported by media sources created by this factory. |
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ForwardingMediaSourceFactory#setCmcdConfigurationFactory(androidx.media3.exoplayer.upstream.CmcdConfiguration.Factory)( https://developer.android.com/reference/androidx/media3/exoplayer/upstream/CmcdConfiguration.Factory cmcdConfigurationFactory )` Sets the `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/CmcdConfiguration.Factory` used to obtain a `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/CmcdConfiguration` for a `https://developer.android.com/reference/androidx/media3/common/MediaItem`. |
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ForwardingMediaSourceFactory#setDownloadExecutor(com.google.common.base.Supplier<androidx.media3.exoplayer.util.ReleasableExecutor>)(https://guava.dev/releases/snapshot-android/api/docs/com/google/common/base/Supplier.html<https://developer.android.com/reference/androidx/media3/exoplayer/util/ReleasableExecutor> downloadExecutor)` Sets a supplier for an `https://developer.android.com/reference/androidx/media3/exoplayer/util/ReleasableExecutor` that is used for loading the media. |
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ForwardingMediaSourceFactory#setDrmSessionManagerProvider(androidx.media3.exoplayer.drm.DrmSessionManagerProvider)( https://developer.android.com/reference/androidx/media3/exoplayer/drm/DrmSessionManagerProvider drmSessionManagerProvider )` Sets the `https://developer.android.com/reference/androidx/media3/exoplayer/drm/DrmSessionManagerProvider` used to obtain a `https://developer.android.com/reference/androidx/media3/exoplayer/drm/DrmSessionManager` for a `https://developer.android.com/reference/androidx/media3/common/MediaItem`. |
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ForwardingMediaSourceFactory#setLoadErrorHandlingPolicy(androidx.media3.exoplayer.upstream.LoadErrorHandlingPolicy)( https://developer.android.com/reference/androidx/media3/exoplayer/upstream/LoadErrorHandlingPolicy loadErrorHandlingPolicy )` Sets an optional `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/LoadErrorHandlingPolicy`. |
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/ForwardingMediaSourceFactory#setSubtitleParserFactory(androidx.media3.extractor.text.SubtitleParser.Factory)(https://developer.android.com/reference/androidx/media3/extractor/text/SubtitleParser.Factory subtitleParserFactory)` Sets the `https://developer.android.com/reference/androidx/media3/extractor/text/SubtitleParser.Factory` to be used for parsing subtitles during extraction. |

### Inherited Constants

From [androidx.media3.exoplayer.source.MediaSource.Factory](https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory) `static final https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` `@https://developer.android.com/reference/androidx/media3/common/util/UnstableApi
https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory#UNSUPPORTED()`

An instance that throws `https://developer.android.com/reference/java/lang/UnsupportedOperationException.html` from `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory#createMediaSource(androidx.media3.common.MediaItem)` and `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory#getSupportedTypes()`.

## Public constructors

### ForwardingMediaSourceFactory

```
public ForwardingMediaSourceFactory(MediaSource.Factory factory)
```

Creates a forwarding `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory`.

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory factory` | The `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` to forward to. |

## Public methods

### createMediaSource

```
public MediaSource createMediaSource(MediaItem mediaItem)
```

Creates a new `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource` with the specified `https://developer.android.com/reference/androidx/media3/common/MediaItem`.

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/media3/common/MediaItem mediaItem` | The media item to play. |

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource` | The new `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource`. |

### experimentalParseSubtitlesDuringExtraction

```
public MediaSource.Factory experimentalParseSubtitlesDuringExtraction(
    boolean parseSubtitlesDuringExtraction
)
```

> [!CAUTION]
> **This method is deprecated.**   
>
> This method (and all support for 'legacy' subtitle decoding during rendering) will be removed in a future release.

Sets whether subtitles should be parsed as part of extraction (before being added to the sample queue) or as part of rendering (when being taken from the sample queue). Defaults to `true` (i.e. subtitles will be parsed during extraction).

This method is experimental and will be renamed or removed in a future release.

| Parameters |
|---|---|
| `boolean parseSubtitlesDuringExtraction` | Whether to parse subtitles during extraction or rendering. |

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | This factory, for convenience. |

### getSupportedTypes

```
@C.ContentType
public int[] getSupportedTypes()
```

Returns the `https://developer.android.com/reference/androidx/media3/common/C.ContentType` supported by media sources created by this factory.

### setCmcdConfigurationFactory

```
public MediaSource.Factory setCmcdConfigurationFactory(
    CmcdConfiguration.Factory cmcdConfigurationFactory
)
```

Sets the `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/CmcdConfiguration.Factory` used to obtain a `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/CmcdConfiguration` for a `https://developer.android.com/reference/androidx/media3/common/MediaItem`.

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | This factory, for convenience. |

### setDownloadExecutor

```
public MediaSource.Factory setDownloadExecutor(Supplier<ReleasableExecutor> downloadExecutor)
```

Sets a supplier for an `https://developer.android.com/reference/androidx/media3/exoplayer/util/ReleasableExecutor` that is used for loading the media.

| Parameters |
|---|---|
| `https://guava.dev/releases/snapshot-android/api/docs/com/google/common/base/Supplier.html<https://developer.android.com/reference/androidx/media3/exoplayer/util/ReleasableExecutor> downloadExecutor` | A `https://guava.dev/releases/snapshot-android/api/docs/com/google/common/base/Supplier.html` that provides an externally managed `https://developer.android.com/reference/androidx/media3/exoplayer/util/ReleasableExecutor` for downloading and extraction. |

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | This factory, for convenience. |

### setDrmSessionManagerProvider

```
public MediaSource.Factory setDrmSessionManagerProvider(
    DrmSessionManagerProvider drmSessionManagerProvider
)
```

Sets the `https://developer.android.com/reference/androidx/media3/exoplayer/drm/DrmSessionManagerProvider` used to obtain a `https://developer.android.com/reference/androidx/media3/exoplayer/drm/DrmSessionManager` for a `https://developer.android.com/reference/androidx/media3/common/MediaItem`.

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | This factory, for convenience. |

### setLoadErrorHandlingPolicy

```
public MediaSource.Factory setLoadErrorHandlingPolicy(
    LoadErrorHandlingPolicy loadErrorHandlingPolicy
)
```

Sets an optional `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/LoadErrorHandlingPolicy`.

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | This factory, for convenience. |

### setSubtitleParserFactory

```
public MediaSource.Factory setSubtitleParserFactory(SubtitleParser.Factory subtitleParserFactory)
```

Sets the `https://developer.android.com/reference/androidx/media3/extractor/text/SubtitleParser.Factory` to be used for parsing subtitles during extraction.

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/media3/extractor/text/SubtitleParser.Factory subtitleParserFactory` | The `https://developer.android.com/reference/androidx/media3/extractor/text/SubtitleParser.Factory` for parsing subtitles during extraction. |

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/media3/exoplayer/source/MediaSource.Factory` | This factory, for convenience. |