# TransformationRequest

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

*** ** * ** ***


```
@UnstableApi
public final class TransformationRequest
```

<br />

*** ** * ** ***

A media transformation request.

## Summary

| ### Nested types |
|---|
| `public final class https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest.Builder` A builder for `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest` instances. |

| ### Public fields |
|---|---|
| `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/transformer/TransformationRequest#audioMimeType()` The requested output audio sample `https://developer.android.com/reference/androidx/media3/common/MimeTypes`, or `null` if inferred from the input. |
| `final int` | `@https://developer.android.com/reference/androidx/media3/transformer/Composition.HdrMode https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest#hdrMode()` The `https://developer.android.com/reference/androidx/media3/transformer/Composition.HdrMode` specifying how to handle HDR input video. |
| `final int` | `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest#outputHeight()` The requested height of the output video. |
| `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/transformer/TransformationRequest#videoMimeType()` The requested output video sample `https://developer.android.com/reference/androidx/media3/common/MimeTypes`, or `null` if inferred from the input. |

| ### Public methods |
|---|---|
| `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest.Builder` | `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest#buildUpon()()` Returns a new `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest.Builder` initialized with the values of this instance. |
| `boolean` | `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest#equals(java.lang.Object)(@https://developer.android.com/reference/androidx/annotation/Nullable https://developer.android.com/reference/java/lang/Object.html o)` |
| `int` | `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest#hashCode()()` |
| `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest#toString()()` |

## Public fields

### audioMimeType

```
public final @Nullable String audioMimeType
```

The requested output audio sample `https://developer.android.com/reference/androidx/media3/common/MimeTypes`, or `null` if inferred from the input.

| See also |
|---|---|
| `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest.Builder#setAudioMimeType(java.lang.String)` |   |

### hdrMode

```
@Composition.HdrMode
public final int hdrMode
```

The `https://developer.android.com/reference/androidx/media3/transformer/Composition.HdrMode` specifying how to handle HDR input video.

| See also |
|---|---|
| `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest.Builder#setHdrMode(int)` |   |

### outputHeight

```
public final int outputHeight
```

The requested height of the output video.

This field is

- Always set to `https://developer.android.com/reference/androidx/media3/common/C#LENGTH_UNSET()` in the `originalTransformationRequest` parameter of `https://developer.android.com/reference/androidx/media3/transformer/Transformer.Listener#onFallbackApplied(androidx.media3.transformer.Composition,androidx.media3.transformer.TransformationRequest,androidx.media3.transformer.TransformationRequest)`.
- Set to `https://developer.android.com/reference/androidx/media3/common/C#LENGTH_UNSET()` in the `fallbackTransformationRequest` parameter of `https://developer.android.com/reference/androidx/media3/transformer/Transformer.Listener#onFallbackApplied(androidx.media3.transformer.Composition,androidx.media3.transformer.TransformationRequest,androidx.media3.transformer.TransformationRequest)` to indicate that it is inferred from the input.

### videoMimeType

```
public final @Nullable String videoMimeType
```

The requested output video sample `https://developer.android.com/reference/androidx/media3/common/MimeTypes`, or `null` if inferred from the input.

| See also |
|---|---|
| `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest.Builder#setVideoMimeType(java.lang.String)` |   |

## Public methods

### buildUpon

```
public TransformationRequest.Builder buildUpon()
```

Returns a new `https://developer.android.com/reference/androidx/media3/transformer/TransformationRequest.Builder` initialized with the values of this instance.

### equals

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

### hashCode

```
public int hashCode()
```

### toString

```
public String toString()
```