# Track.Transformation

Artifact: [androidx.media3:media3-extractor](https://developer.android.com/jetpack/androidx/releases/media3) [View Source](https://cs.android.com/search?q=file:androidx/media3/extractor/mp4/Track.java+class:androidx.media3.extractor.mp4.Track.Transformation)

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```
@Documented
@Retention(value = RetentionPolicy.SOURCE)
@Target(value = ElementType.TYPE_USE)
@IntDef(value = )
annotation Track.Transformation
```

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The transformation to apply to samples in the track, if any. One of `https://developer.android.com/reference/kotlin/androidx/media3/extractor/mp4/Track#TRANSFORMATION_NONE()`, `https://developer.android.com/reference/kotlin/androidx/media3/extractor/mp4/Track#TRANSFORMATION_CEA608_CDAT()`, or `https://developer.android.com/reference/kotlin/androidx/media3/extractor/mp4/Track#TRANSFORMATION_MEBX_UNBOX()`.