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Add CompositionPlayer to the Transformer demo app

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PiperOrigin-RevId: 571284291
This commit is contained in:
simakova 2023-10-06 03:03:26 -07:00 committed by Copybara-Service
parent f8d2e362a5
commit d9cf350eb0
9 changed files with 386 additions and 1 deletions
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1
demos/transformer/build.gradle
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@ -77,6 +77,7 @@ dependencies {
implementation 'androidx.annotation:annotation:' + androidxAnnotationVersion
implementation 'androidx.appcompat:appcompat:' + androidxAppCompatVersion
implementation 'androidx.constraintlayout:constraintlayout:' + androidxConstraintLayoutVersion
implementation 'androidx.recyclerview:recyclerview:' + androidxRecyclerViewVersion
implementation 'androidx.multidex:multidex:' + androidxMultidexVersion
implementation 'com.google.android.material:material:' + androidxMaterialVersion
implementation project(modulePrefix + 'lib-effect')

6
demos/transformer/src/main/AndroidManifest.xml
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@ -64,5 +64,11 @@
android:label="@string/app_name"
android:exported="true"
android:theme="@style/Theme.MaterialComponents.DayNight.NoActionBar"/>
<activity android:name=".CompositionPreviewActivity"
android:configChanges="keyboard|keyboardHidden|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
android:launchMode="singleTop"
android:label="@string/app_name"
android:exported="true"
android:theme="@style/Theme.MaterialComponents.DayNight.NoActionBar"/>
</application>
</manifest>

70
demos/transformer/src/main/java/androidx/media3/demo/transformer/AssetItemAdapter.java Normal file
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@ -0,0 +1,70 @@
/*
* Copyright 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.media3.demo.transformer;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.recyclerview.widget.RecyclerView;
import java.util.ArrayList;
import java.util.List;
/** A {@link RecyclerView.Adapter} that displays assets in a sequence in a {@link RecyclerView}. */
public final class AssetItemAdapter extends RecyclerView.Adapter<AssetItemAdapter.ViewHolder> {
private static final String TAG = "AssetItemAdapter";
private final List<String> dataSet;
/**
* Creates a new instance
*
* @param data A list of items to populate RecyclerView with.
*/
public AssetItemAdapter(List<String> data) {
this.dataSet = new ArrayList<>(data);
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.preset_item, parent, false);
return new ViewHolder(v);
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.getTextView().setText(dataSet.get(position));
}
@Override
public int getItemCount() {
return dataSet.size();
}
/** A {@link RecyclerView.ViewHolder} used to build {@link AssetItemAdapter}. */
public static final class ViewHolder extends RecyclerView.ViewHolder {
private final TextView textView;
private ViewHolder(View view) {
super(view);
textView = view.findViewById(R.id.preset_name_text);
}
private TextView getTextView() {
return textView;
}
}
}

126
demos/transformer/src/main/java/androidx/media3/demo/transformer/CompositionPreviewActivity.java Normal file
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@ -0,0 +1,126 @@
/*
* Copyright 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.media3.demo.transformer;
import static androidx.media3.common.util.Assertions.checkStateNotNull;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.AppCompatButton;
import androidx.media3.common.MediaItem;
import androidx.media3.transformer.Composition;
import androidx.media3.transformer.CompositionPlayer;
import androidx.media3.transformer.EditedMediaItem;
import androidx.media3.transformer.EditedMediaItemSequence;
import androidx.media3.ui.PlayerView;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.google.common.collect.ImmutableList;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
/**
* An {@link Activity} that previews compositions, using {@link
* androidx.media3.transformer.CompositionPlayer}.
*/
public final class CompositionPreviewActivity extends AppCompatActivity {
private static final String TAG = "CompPreviewActivity";
private static final ImmutableList<Integer> SEQUENCE_FILE_INDICES = ImmutableList.of(0, 2);
private @MonotonicNonNull PlayerView playerView;
private @MonotonicNonNull RecyclerView presetList;
private @MonotonicNonNull AppCompatButton previewButton;
@Nullable private CompositionPlayer compositionPlayer;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.composition_preview_activity);
String[] presetFileURIs = getResources().getStringArray(R.array.preset_uris);
String[] presetFileDescriptions = getResources().getStringArray(R.array.preset_descriptions);
playerView = findViewById(R.id.composition_player_view);
presetList = findViewById(R.id.composition_preset_list);
previewButton = findViewById(R.id.preview_button);
previewButton.setOnClickListener(view -> previewComposition(view, presetFileURIs));
LinearLayoutManager layoutManager =
new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, /* reverseLayout= */ false);
presetList.setLayoutManager(layoutManager);
ArrayList<String> sequenceFiles = new ArrayList<>();
for (int i = 0; i < SEQUENCE_FILE_INDICES.size(); i++) {
if (SEQUENCE_FILE_INDICES.get(i) < presetFileDescriptions.length) {
sequenceFiles.add(presetFileDescriptions[SEQUENCE_FILE_INDICES.get(i)]);
}
}
AssetItemAdapter adapter = new AssetItemAdapter(sequenceFiles);
presetList.setAdapter(adapter);
}
@Override
protected void onStart() {
super.onStart();
checkStateNotNull(playerView).onResume();
}
@Override
protected void onStop() {
super.onStop();
checkStateNotNull(playerView).onPause();
releasePlayer();
}
private Composition prepareComposition(String[] presetFileURIs) {
List<EditedMediaItem> mediaItems = new ArrayList<>();
for (int i = 0; i < SEQUENCE_FILE_INDICES.size(); i++) {
mediaItems.add(
new EditedMediaItem.Builder(
MediaItem.fromUri(presetFileURIs[SEQUENCE_FILE_INDICES.get(i)]))
.build());
}
EditedMediaItemSequence videoSequence =
new EditedMediaItemSequence(Collections.unmodifiableList(mediaItems));
return new Composition.Builder(ImmutableList.of(videoSequence)).build();
}
private void previewComposition(View view, String[] presetFileURIs) {
releasePlayer();
Composition composition = prepareComposition(presetFileURIs);
checkStateNotNull(playerView).setPlayer(null);
CompositionPlayer player = new CompositionPlayer(getApplicationContext(), /* looper= */ null);
this.compositionPlayer = player;
checkStateNotNull(playerView).setPlayer(compositionPlayer);
checkStateNotNull(playerView).setControllerAutoShow(false);
player.setComposition(composition);
player.prepare();
player.play();
}
private void releasePlayer() {
if (compositionPlayer != null) {
compositionPlayer.release();
compositionPlayer = null;
}
}
}

92
demos/transformer/src/main/res/layout/composition_preview_activity.xml Normal file
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@ -0,0 +1,92 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2023 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp">
<com.google.android.material.card.MaterialCardView
android:id="@+id/composition_preview_card_view"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:cardCornerRadius="4dp"
app:cardElevation="2dp">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<androidx.appcompat.widget.AppCompatTextView
android:id="@+id/input_text_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:padding="8dp"
android:textAppearance="@style/TextAppearance.AppCompat.Medium"
android:text="@string/preview_single_sequence" />
<FrameLayout
android:layout_width="match_parent"
android:layout_height="200dp" >
<androidx.media3.ui.PlayerView
android:id="@+id/composition_player_view"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</FrameLayout>
</LinearLayout>
</com.google.android.material.card.MaterialCardView>
<androidx.appcompat.widget.AppCompatTextView
android:id="@+id/sequence_header_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:padding="8dp"
android:text="@string/single_sequence_items"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/composition_preview_card_view"/>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/composition_preset_list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/sequence_header_text"/>
<androidx.appcompat.widget.AppCompatButton
android:id="@+id/preview_button"
android:text="@string/preview"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintBottom_toBottomOf="parent"/>
</androidx.constraintlayout.widget.ConstraintLayout>

30
demos/transformer/src/main/res/layout/preset_item.xml Normal file
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@ -0,0 +1,30 @@
<?xml version="1.0" encoding="utf-8"?><!--
~ Copyright 2023 The Android Open Source Project
~
~ Licensed under the Apache License, Version 2.0 (the "License");
~ you may not use this file except in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing, software
~ distributed under the License is distributed on an "AS IS" BASIS,
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~ See the License for the specific language governing permissions and
~ limitations under the License.
-->
<androidx.appcompat.widget.LinearLayoutCompat
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="16dp">
<androidx.appcompat.widget.AppCompatTextView
android:id="@+id/preset_name_text"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"/>
</androidx.appcompat.widget.LinearLayoutCompat>

3
demos/transformer/src/main/res/layout/transformer_activity.xml
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@ -1,4 +1,5 @@
<?xml version="1.0" encoding="utf-8"?><!--
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright 2021 The Android Open Source Project
~
~ Licensed under the Apache License, Version 2.0 (the "License");

56
demos/transformer/src/main/res/values/arrays.xml Normal file
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@ -0,0 +1,56 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright 2023 The Android Open Source Project
~
~ Licensed under the Apache License, Version 2.0 (the "License");
~ you may not use this file except in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing, software
~ distributed under the License is distributed on an "AS IS" BASIS,
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~ See the License for the specific language governing permissions and
~ limitations under the License.
-->
<resources>
<string-array name="preset_descriptions">
<item>720p H264 video and AAC audio</item>
<item>1080p H265 video and AAC audio</item>
<item>360p H264 video and AAC audio</item>
<item>360p VP8 video and Vorbis audio</item>
<item>4K H264 video and AAC audio (portrait, no B-frames)</item>
<item>8k H265 video and AAC audio</item>
<item>Short 1080p H265 video and AAC audio</item>
<item>Long 180p H264 video and AAC audio</item>
<item>H264 video and AAC audio (portrait, H &gt; W, 0°)</item>
<item>H264 video and AAC audio (portrait, H &lt; W, 90°)</item>
<item>London JPG image (Plays for 5secs at 30fps)</item>
<item>Tokyo JPG image (Portrait, Plays for 5secs at 30fps)</item>
<item>SEF slow motion with 240 fps</item>
<item>480p DASH (non-square pixels)</item>
<item>HDR (HDR10) H265 limited range video (encoding may fail)</item>
<item>HDR (HLG) H265 limited range video (encoding may fail)</item>
<item>720p H264 video with no audio</item>
</string-array>
<string-array name="preset_uris">
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/android-screens-10s.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-0/android-block-1080-hevc.mp4</item>
<item>https://html5demos.com/assets/dizzy.mp4</item>
<item>https://html5demos.com/assets/dizzy.webm</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/portrait_4k60.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/8k24fps_4s.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/1920w_1080h_4s.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-0/BigBuckBunny_320x180.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/portrait_avc_aac.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/portrait_rotated_avc_aac.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/jpg/london.jpg</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/jpg/tokyo.jpg</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/slow-motion/slowMotion_stopwatch_240fps_long.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/gen/screens/dash-vod-single-segment/manifest-baseline.mpd</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/samsung-s21-hdr-hdr10.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/Pixel7Pro_HLG_1080P.mp4</item>
<item>https://storage.googleapis.com/exoplayer-test-media-1/mp4/sample_video_track_only.mp4</item>
</string-array>
</resources>

3
demos/transformer/src/main/res/values/strings.xml
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@ -80,4 +80,7 @@
<string name="overlay_text">Text</string>
<string name="overlay_text_color">Text color</string>
<string name="text_overlay_settings">Specify text overlay settings</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>
</resources>