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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 44f461a062
commit 1dfbd0de50
2 changed files with 4 additions and 4 deletions
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2
library/effect/src/main/java/com/google/android/exoplayer2/effect/GlMatrixTransformation.java
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@ -22,7 +22,7 @@ import com.google.android.exoplayer2.util.Size;
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
* axes). Transformed pixels that are moved outside of the normal device coordinate range are

6
library/effect/src/main/java/com/google/android/exoplayer2/effect/ScaleToFitTransformation.java
View file

@ -72,9 +72,9 @@ public final class ScaleToFitTransformation implements MatrixTransformation {
*
* <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
* pixels. The rotated input frame is fitted inside an enclosing black rectangle if its edges
* aren't parallel to the x and y axes.
* <p>The output frame's width and height are adjusted to preserve all input pixels. The rotated
* input frame is fitted inside an enclosing black rectangle if its edges aren't parallel to the
* x and y axes, to form the output frame.
*
* @param rotationDegrees The counterclockwise rotation, in degrees.
* @return This builder.