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Effect: Clarify that padding is added in ScaleToFitTransformation.

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PiperOrigin-RevId: 504796380
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huangdarwin 2023-01-26 11:20:12 +00:00 committed by christosts
parent 0874c1e795
commit a5d43b2194
2 changed files with 4 additions and 4 deletions
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2
libraries/effect/src/main/java/androidx/media3/effect/GlMatrixTransformation.java
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@ -23,7 +23,7 @@ import androidx.media3.common.util.UnstableApi;
import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableList;
/** /**
* Specifies a 4x4 transformation {@link Matrix} to apply in the vertex shader for each frame. * Specifies a 4x4 transformation {@link Matrix} to apply in the vertex shader for each input frame.
* *
* <p>The matrix is applied to points given in normalized device coordinates (-1 to 1 on x, y, and z * <p>The matrix is applied to points given in normalized device coordinates (-1 to 1 on x, y, and z
* axes). Transformed pixels that are moved outside of the normal device coordinate range are * axes). Transformed pixels that are moved outside of the normal device coordinate range are

6
libraries/effect/src/main/java/androidx/media3/effect/ScaleToFitTransformation.java
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@ -74,9 +74,9 @@ public final class ScaleToFitTransformation implements MatrixTransformation {
* *
* <p>The default value, 0, corresponds to not applying any rotation. * <p>The default value, 0, corresponds to not applying any rotation.
* *
* <p>The output frame's width and height are automatically adjusted to preserve all input * <p>The output frame's width and height are adjusted to preserve all input pixels. The rotated
* pixels. The rotated input frame is fitted inside an enclosing black rectangle if its edges * input frame is fitted inside an enclosing black rectangle if its edges aren't parallel to the
* aren't parallel to the x and y axes. * x and y axes, to form the output frame.
* *
* @param rotationDegrees The counterclockwise rotation, in degrees. * @param rotationDegrees The counterclockwise rotation, in degrees.
* @return This builder. * @return This builder.