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Toggle video effects in the composition demo.

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Add an option to enable or disable video effects in preview or export.

PiperOrigin-RevId: 662488658
This commit is contained in:
simakova 2024-08-13 06:08:41 -07:00 committed by Copybara-Service
parent 9d008da356
commit 2d527b08c3
3 changed files with 29 additions and 10 deletions
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16
demos/composition/src/main/java/androidx/media3/demo/composition/CompositionPreviewActivity.java
View File

@ -79,6 +79,7 @@ public final class CompositionPreviewActivity extends AppCompatActivity {
private AppCompatTextView exportInformationTextView;
private Stopwatch exportStopwatch;
private boolean includeBackgroundAudioTrack;
private boolean appliesVideoEffects;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
@ -102,6 +103,10 @@ public final class CompositionPreviewActivity extends AppCompatActivity {
backgroundAudioCheckBox.setOnCheckedChangeListener(
(compoundButton, checked) -> includeBackgroundAudioTrack = checked);
AppCompatCheckBox applyVideoEffectsCheckBox = findViewById(R.id.apply_video_effects_checkbox);
applyVideoEffectsCheckBox.setOnCheckedChangeListener(
((compoundButton, checked) -> appliesVideoEffects = checked));
presetDescriptions = getResources().getStringArray(R.array.preset_descriptions);
// Select two media items by default.
selectedMediaItems = new boolean[presetDescriptions.length];
@ -145,9 +150,12 @@ public final class CompositionPreviewActivity extends AppCompatActivity {
String[] presetUris = getResources().getStringArray(/* id= */ R.array.preset_uris);
int[] presetDurationsUs = getResources().getIntArray(/* id= */ R.array.preset_durations);
List<EditedMediaItem> mediaItems = new ArrayList<>();
ImmutableList<Effect> effects =
ImmutableList.of(
MatrixTransformationFactory.createDizzyCropEffect(), RgbFilter.createGrayscaleFilter());
ImmutableList<Effect> videoEffects =
appliesVideoEffects
? ImmutableList.of(
MatrixTransformationFactory.createDizzyCropEffect(),
RgbFilter.createGrayscaleFilter())
: ImmutableList.of();
// Preview requires all sequences to be the same duration, so calculate main sequence duration
// and limit background sequence duration to match.
long videoSequenceDurationUs = 0;
@ -165,7 +173,7 @@ public final class CompositionPreviewActivity extends AppCompatActivity {
.setEffects(
new Effects(
/* audioProcessors= */ ImmutableList.of(pitchChanger),
/* videoEffects= */ effects))
/* videoEffects= */ videoEffects))
.setDurationUs(presetDurationsUs[i]);
videoSequenceDurationUs += presetDurationsUs[i];
mediaItems.add(itemBuilder.build());

18
demos/composition/src/main/res/layout/composition_preview_activity.xml
View File

@ -43,7 +43,7 @@
android:layout_marginBottom="8dp"
android:padding="8dp"
android:textAppearance="@style/TextAppearance.AppCompat.Medium"
android:text="@string/preview_single_sequence" />
android:text="@string/preview_composition" />
<FrameLayout
android:layout_width="match_parent"
@ -64,7 +64,7 @@
android:id="@+id/sequence_header_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/single_sequence_items"
android:text="@string/video_sequence_items"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/composition_preview_card_view"
app:layout_constraintBottom_toTopOf="@id/composition_preset_list"/>
@ -75,8 +75,18 @@
android:layout_height="wrap_content"
android:textAppearance="@style/TextAppearance.AppCompat.Small"
android:text="@string/edit"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@id/composition_preview_card_view"/>
app:layout_constraintStart_toEndOf="@id/sequence_header_text"
app:layout_constraintTop_toTopOf="@id/sequence_header_text"
app:layout_constraintBottom_toBottomOf="@id/sequence_header_text"/>
<androidx.appcompat.widget.AppCompatCheckBox
android:id="@+id/apply_video_effects_checkbox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/add_effects"
app:layout_constraintStart_toEndOf="@id/edit_sequence_button"
app:layout_constraintTop_toTopOf="@id/sequence_header_text"
app:layout_constraintBottom_toBottomOf="@id/sequence_header_text" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/composition_preset_list"

5
demos/composition/src/main/res/values/strings.xml
View File

@ -16,9 +16,10 @@
<resources>
<string name="app_name">Composition Demo</string>
<string name="edit">Edit</string>
<string name="add_effects">Add effects</string>
<string name="preview" translatable="false">Preview</string>
<string name="preview_single_sequence" translatable="false">Single sequence preview</string>
<string name="single_sequence_items" translatable="false">Single sequence items:</string>
<string name="preview_composition" translatable="false">Composition preview</string>
<string name="video_sequence_items" translatable="false">Video sequence items:</string>
<string name="select_preset_title" translatable="false">Choose preset input</string>
<string name="export" translatable="false">Export</string>
<string name="export_completed" translatable="false">Export completed in %.3f seconds.\nOutput: %s</string>