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Effect: Early return and rename variable (+ nits).

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Reduce nesting by using an early return. Also, rename
`outputSizeOrRotationChanged` to `outputChanged`, because this also applies to when the output surface changes.

Also, update local variable initialization, add some javadoc, and remove unneeded
local variable

PiperOrigin-RevId: 518241708
This commit is contained in:
huangdarwin 2023-03-21 12:15:02 +00:00 committed by microkatz
parent 87cd90eb15
commit cbaf0f8232
1 changed files with 34 additions and 27 deletions
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61
libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java
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@ -93,7 +93,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
@Nullable private SurfaceView debugSurfaceView;
private boolean frameProcessingStarted;
private volatile boolean outputSizeOrRotationChanged;
private volatile boolean outputChanged;
@GuardedBy("this")
@Nullable
@ -270,26 +270,28 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
* @see VideoFrameProcessor#setOutputSurfaceInfo(SurfaceInfo)
*/
public synchronized void setOutputSurfaceInfo(@Nullable SurfaceInfo outputSurfaceInfo) {
if (!Util.areEqual(this.outputSurfaceInfo, outputSurfaceInfo)) {
if (outputSurfaceInfo != null
&& this.outputSurfaceInfo != null
&& !this.outputSurfaceInfo.surface.equals(outputSurfaceInfo.surface)) {
try {
GlUtil.destroyEglSurface(eglDisplay, outputEglSurface);
} catch (GlUtil.GlException e) {
videoFrameProcessorListenerExecutor.execute(
() -> videoFrameProcessorListener.onError(VideoFrameProcessingException.from(e)));
}
this.outputEglSurface = null;
}
outputSizeOrRotationChanged =
this.outputSurfaceInfo == null
|| outputSurfaceInfo == null
|| this.outputSurfaceInfo.width != outputSurfaceInfo.width
|| this.outputSurfaceInfo.height != outputSurfaceInfo.height
|| this.outputSurfaceInfo.orientationDegrees != outputSurfaceInfo.orientationDegrees;
this.outputSurfaceInfo = outputSurfaceInfo;
if (Util.areEqual(this.outputSurfaceInfo, outputSurfaceInfo)) {
return;
}
if (outputSurfaceInfo != null
&& this.outputSurfaceInfo != null
&& !this.outputSurfaceInfo.surface.equals(outputSurfaceInfo.surface)) {
try {
GlUtil.destroyEglSurface(eglDisplay, outputEglSurface);
} catch (GlUtil.GlException e) {
videoFrameProcessorListenerExecutor.execute(
() -> videoFrameProcessorListener.onError(VideoFrameProcessingException.from(e)));
}
this.outputEglSurface = null;
}
outputChanged =
this.outputSurfaceInfo == null
|| outputSurfaceInfo == null
|| this.outputSurfaceInfo.width != outputSurfaceInfo.width
|| this.outputSurfaceInfo.height != outputSurfaceInfo.height
|| this.outputSurfaceInfo.orientationDegrees != outputSurfaceInfo.orientationDegrees;
this.outputSurfaceInfo = outputSurfaceInfo;
}
private void renderFrameToSurfaces(
@ -336,16 +338,22 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
EGL14.eglSwapBuffers(eglDisplay, outputEglSurface);
}
/**
* Ensures the instance is configured.
*
* <p>Returns {@code false} if {@code outputSurfaceInfo} is unset.
*/
@EnsuresNonNullIf(
expression = {"outputSurfaceInfo", "outputEglSurface", "defaultShaderProgram"},
result = true)
private synchronized boolean ensureConfigured(int inputWidth, int inputHeight)
throws VideoFrameProcessingException, GlUtil.GlException {
boolean inputSizeChanged = false;
if (this.inputWidth != inputWidth
|| this.inputHeight != inputHeight
|| this.outputSizeBeforeSurfaceTransformation == null) {
boolean inputSizeChanged =
this.inputWidth != inputWidth
|| this.inputHeight != inputHeight
|| this.outputSizeBeforeSurfaceTransformation == null;
if (inputSizeChanged) {
this.inputWidth = inputWidth;
this.inputHeight = inputHeight;
Size outputSizeBeforeSurfaceTransformation =
@ -359,7 +367,6 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
outputSizeBeforeSurfaceTransformation.getWidth(),
outputSizeBeforeSurfaceTransformation.getHeight()));
}
inputSizeChanged = true;
}
if (outputSurfaceInfo == null) {
@ -395,10 +402,10 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
this.debugSurfaceView = debugSurfaceView;
}
if (defaultShaderProgram != null && (outputSizeOrRotationChanged || inputSizeChanged)) {
if (defaultShaderProgram != null && (outputChanged || inputSizeChanged)) {
defaultShaderProgram.release();
defaultShaderProgram = null;
outputSizeOrRotationChanged = false;
outputChanged = false;
}
if (defaultShaderProgram == null) {
defaultShaderProgram = createDefaultShaderProgramForOutputSurface(outputSurfaceInfo);