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Demo: Split video Effect generation out of createTransformer.

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PiperOrigin-RevId: 477524540
(cherry picked from commit 1cfe18cd1f45e850df3b21ca8e63635956cf758e)
This commit is contained in:
samrobinson 2022-09-28 19:39:09 +00:00 committed by microkatz
parent 55a7316158
commit c08e4b664b
1 changed files with 131 additions and 127 deletions
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62
demos/transformer/src/main/java/androidx/media3/demo/transformer/TransformerActivity.java
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@ -272,11 +272,38 @@ public final class TransformerActivity extends AppCompatActivity {
.setEnableFallback(bundle.getBoolean(ConfigurationActivity.ENABLE_FALLBACK))
.build());
ImmutableList.Builder<Effect> effects = new ImmutableList.Builder<>();
transformerBuilder.setVideoEffects(createVideoEffectsListFromBundle(bundle));
if (bundle.getBoolean(ConfigurationActivity.ENABLE_DEBUG_PREVIEW)) {
transformerBuilder.setDebugViewProvider(new DemoDebugViewProvider());
}
}
return transformerBuilder
.addListener(
new Transformer.Listener() {
@Override
public void onTransformationCompleted(
MediaItem mediaItem, TransformationResult transformationResult) {
TransformerActivity.this.onTransformationCompleted(filePath);
}
@Override
public void onTransformationError(
MediaItem mediaItem, TransformationException exception) {
TransformerActivity.this.onTransformationError(exception);
}
})
.build();
}
private ImmutableList<Effect> createVideoEffectsListFromBundle(Bundle bundle) {
@Nullable
boolean[] selectedEffects =
bundle.getBooleanArray(ConfigurationActivity.DEMO_EFFECTS_SELECTIONS);
if (selectedEffects != null) {
if (selectedEffects == null) {
return ImmutableList.of();
}
ImmutableList.Builder<Effect> effects = new ImmutableList.Builder<>();
if (selectedEffects[0]) {
effects.add(MatrixTransformationFactory.createDizzyCropEffect());
}
@ -327,8 +354,8 @@ public final class TransformerActivity extends AppCompatActivity {
// uses a linear RGB color space internally. Meaning this is only for demonstration
// purposes and it does not display a correct sepia frame.
float[] sepiaMatrix = {
0.393f, 0.349f, 0.272f, 0, 0.769f, 0.686f, 0.534f, 0, 0.189f, 0.168f, 0.131f, 0, 0,
0, 0, 1
0.393f, 0.349f, 0.272f, 0, 0.769f, 0.686f, 0.534f, 0, 0.189f, 0.168f, 0.131f, 0, 0, 0,
0, 1
};
effects.add((RgbMatrix) (presentationTimeUs, useHdr) -> sepiaMatrix);
break;
@ -365,8 +392,7 @@ public final class TransformerActivity extends AppCompatActivity {
effects.add(
new HslAdjustment.Builder()
.adjustHue(bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_HUE))
.adjustSaturation(
bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_SATURATION))
.adjustSaturation(bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_SATURATION))
.adjustLightness(bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_LIGHTNESS))
.build());
}
@ -397,29 +423,7 @@ public final class TransformerActivity extends AppCompatActivity {
if (selectedEffects[10]) {
effects.add(MatrixTransformationFactory.createZoomInTransition());
}
transformerBuilder.setVideoEffects(effects.build());
}
if (bundle.getBoolean(ConfigurationActivity.ENABLE_DEBUG_PREVIEW)) {
transformerBuilder.setDebugViewProvider(new DemoDebugViewProvider());
}
}
return transformerBuilder
.addListener(
new Transformer.Listener() {
@Override
public void onTransformationCompleted(
MediaItem mediaItem, TransformationResult transformationResult) {
TransformerActivity.this.onTransformationCompleted(filePath);
}
@Override
public void onTransformationError(
MediaItem mediaItem, TransformationException exception) {
TransformerActivity.this.onTransformationError(exception);
}
})
.build();
return effects.build();
}
@RequiresNonNull({