# FakeMediaChunk

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

*** ** * ** ***


```
@UnstableApi
public final class FakeMediaChunk extends MediaChunk
```

<br />

|---|---|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object.html) ||||
| ↳ | [androidx.media3.exoplayer.source.chunk.Chunk](https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk) |||
|   | ↳ | [androidx.media3.exoplayer.source.chunk.MediaChunk](https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/MediaChunk) ||
|   |   | ↳ | [androidx.media3.test.utils.FakeMediaChunk](https://developer.android.com/reference/androidx/media3/test/utils/FakeMediaChunk) |

*** ** * ** ***

Fake `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/MediaChunk`.

## Summary

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/media3/test/utils/FakeMediaChunk#FakeMediaChunk(androidx.media3.common.Format,long,long)(https://developer.android.com/reference/androidx/media3/common/Format trackFormat, long startTimeUs, long endTimeUs)` Creates a fake media chunk. |
| `https://developer.android.com/reference/androidx/media3/test/utils/FakeMediaChunk#FakeMediaChunk(androidx.media3.common.Format,long,long,int)( https://developer.android.com/reference/androidx/media3/common/Format trackFormat, long startTimeUs, long endTimeUs, @https://developer.android.com/reference/androidx/media3/common/C.SelectionReason int selectionReason )` Creates a fake media chunk. |

| ### Public methods |
|---|---|
| `void` | `https://developer.android.com/reference/androidx/media3/test/utils/FakeMediaChunk#cancelLoad()()` Cancels the load. |
| `boolean` | `https://developer.android.com/reference/androidx/media3/test/utils/FakeMediaChunk#isLoadCompleted()()` Returns whether the chunk has been fully loaded. |
| `void` | `https://developer.android.com/reference/androidx/media3/test/utils/FakeMediaChunk#load()()` Performs the load, returning on completion or cancellation. |

| ### Inherited fields |
|---|
| From [androidx.media3.exoplayer.source.chunk.Chunk](https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk) |---|---| | `final https://developer.android.com/reference/androidx/media3/datasource/StatsDataSource` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#dataSource()` | | `final https://developer.android.com/reference/androidx/media3/datasource/DataSpec` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#dataSpec()` The `https://developer.android.com/reference/androidx/media3/datasource/DataSpec` that defines the data to be loaded. | | `final long` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#endTimeUs()` The end time of the media contained by the chunk, or `https://developer.android.com/reference/androidx/media3/common/C#TIME_UNSET()` if the data being loaded does not contain media samples. | | `final long` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#loadTaskId()` Identifies the load task for this loadable. | | `final long` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#startTimeUs()` The start time of the media contained by the chunk, or `https://developer.android.com/reference/androidx/media3/common/C#TIME_UNSET()` if the data being loaded does not contain media samples. | | `final @https://developer.android.com/reference/androidx/annotation/Nullable https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#steeredPathwayId()` The ID of the steered pathway from which data is being loaded, or `null` if not applicable. | | `final https://developer.android.com/reference/androidx/media3/common/Format` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#trackFormat()` The format of the track to which this chunk belongs. | | `final @https://developer.android.com/reference/androidx/annotation/Nullable https://developer.android.com/reference/java/lang/Object.html` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#trackSelectionData()` Optional data associated with the selection of the track to which this chunk belongs. | | `final int` | `@https://developer.android.com/reference/androidx/media3/common/C.SelectionReason https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#trackSelectionReason()` One of the `https://developer.android.com/reference/androidx/media3/common/C.SelectionReason` if the chunk belongs to a track. | | `final int` | `@https://developer.android.com/reference/androidx/media3/common/C.DataType https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#type()` The `https://developer.android.com/reference/androidx/media3/common/C.DataType` of the chunk. | |
| From [androidx.media3.exoplayer.source.chunk.MediaChunk](https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/MediaChunk) |---|---| | `final long` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/MediaChunk#chunkIndex()` The chunk index, or `https://developer.android.com/reference/androidx/media3/common/C#INDEX_UNSET()` if it is not known. | |

| ### Inherited methods |
|---|
| From [androidx.media3.exoplayer.source.chunk.Chunk](https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk) |---|---| | `final long` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#bytesLoaded()()` Returns the number of bytes that have been loaded. | | `final long` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#getDurationUs()()` Returns the duration of the chunk in microseconds. | | `final https://developer.android.com/reference/java/util/Map.html<https://developer.android.com/reference/java/lang/String.html, https://developer.android.com/reference/java/util/List.html<https://developer.android.com/reference/java/lang/String.html>>` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#getResponseHeaders()()` Returns the response headers associated with the last `https://developer.android.com/reference/androidx/media3/datasource/DataSource#open(androidx.media3.datasource.DataSpec)` call. | | `final https://developer.android.com/reference/android/net/Uri.html` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/Chunk#getUri()()` Returns the `https://developer.android.com/reference/android/net/Uri.html` associated with the last `https://developer.android.com/reference/androidx/media3/datasource/DataSource#open(androidx.media3.datasource.DataSpec)` call. | |
| From [androidx.media3.exoplayer.source.chunk.MediaChunk](https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/MediaChunk) |---|---| | `long` | `https://developer.android.com/reference/androidx/media3/exoplayer/source/chunk/MediaChunk#getNextChunkIndex()()` Returns the next chunk index or `https://developer.android.com/reference/androidx/media3/common/C#INDEX_UNSET()` if it is not known. | |

## Public constructors

### FakeMediaChunk

```
public FakeMediaChunk(Format trackFormat, long startTimeUs, long endTimeUs)
```

Creates a fake media chunk.

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/media3/common/Format trackFormat` | The `https://developer.android.com/reference/androidx/media3/common/Format`. |
| `long startTimeUs` | The start time of the media, in microseconds. |
| `long endTimeUs` | The end time of the media, in microseconds. |

### FakeMediaChunk

```
public FakeMediaChunk(
    Format trackFormat,
    long startTimeUs,
    long endTimeUs,
    @C.SelectionReason int selectionReason
)
```

Creates a fake media chunk.

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/media3/common/Format trackFormat` | The `https://developer.android.com/reference/androidx/media3/common/Format`. |
| `long startTimeUs` | The start time of the media, in microseconds. |
| `long endTimeUs` | The end time of the media, in microseconds. |
| `@https://developer.android.com/reference/androidx/media3/common/C.SelectionReason int selectionReason` | One of the `https://developer.android.com/reference/androidx/media3/common/C.SelectionReason`. |

## Public methods

### cancelLoad

```
public void cancelLoad()
```

Cancels the load.

Loadable implementations should ensure that a currently executing `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/Loader.Loadable#load()` call will exit reasonably quickly after this method is called. The `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/Loader.Loadable#load()` call may exit either by returning or by throwing an `https://developer.android.com/reference/java/io/IOException.html`.

If there is a currently executing `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/Loader.Loadable#load()` call, then the thread on which that call is being made will be interrupted immediately after the call to this method. Hence implementations do not need to (and should not attempt to) interrupt the loading thread themselves.

Although the loading thread will be interrupted, Loadable implementations should not use the interrupted status of the loading thread in `https://developer.android.com/reference/androidx/media3/exoplayer/upstream/Loader.Loadable#load()` to determine whether the load has been canceled. This approach is not robust \[Internal ref: b/79223737\]. Instead, implementations should use their own flag to signal cancelation (for example, using `https://developer.android.com/reference/java/util/concurrent/atomic/AtomicBoolean.html`).

### isLoadCompleted

```
public boolean isLoadCompleted()
```

Returns whether the chunk has been fully loaded.

### load

```
public void load()
```

Performs the load, returning on completion or cancellation.

| Throws |
|---|---|
| `https://developer.android.com/reference/java/io/IOException.html` | If the input could not be loaded. |