Add toBundle/fromBundle to AudioAttributes and DeviceInfo

PiperOrigin-RevId: 353864181

library/common/src/main/java/com/google/android/exoplayer2/audio/AudioAttributes.java

@@ -15,6 +15,7 @@
  */
 package com.google.android.exoplayer2.audio;
 
+import android.os.Bundle;
 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import com.google.android.exoplayer2.C;
@@ -33,6 +34,11 @@ import com.google.android.exoplayer2.util.Util;
  */
 public final class AudioAttributes {
 
+  private static final String FIELD_CONTENT_TYPE = "contentType";
+  private static final String FIELD_FLAGS = "flags";
+  private static final String FIELD_USAGE = "usage";
+  private static final String FIELD_ALLOWED_CAPTURE_POLICY = "allowedCapturePolicy";
+
   public static final AudioAttributes DEFAULT = new Builder().build();
 
   /**
@@ -159,4 +165,31 @@ public final class AudioAttributes {
     return result;
   }
 
+  /** Converts this instance into a {@link Bundle}. */
+  public Bundle toBundle() {
+    Bundle bundle = new Bundle();
+    bundle.putInt(FIELD_CONTENT_TYPE, contentType);
+    bundle.putInt(FIELD_FLAGS, flags);
+    bundle.putInt(FIELD_USAGE, usage);
+    bundle.putInt(FIELD_ALLOWED_CAPTURE_POLICY, allowedCapturePolicy);
+    return bundle;
+  }
+
+  /** Creates an {@link AudioAttributes} instance from a {@link Bundle}. */
+  public static AudioAttributes fromBundle(Bundle bundle) {
+    Builder builder = new Builder();
+    if (bundle.containsKey(FIELD_CONTENT_TYPE)) {
+      builder.setContentType(bundle.getInt(FIELD_CONTENT_TYPE));
+    }
+    if (bundle.containsKey(FIELD_FLAGS)) {
+      builder.setFlags(bundle.getInt(FIELD_FLAGS));
+    }
+    if (bundle.containsKey(FIELD_USAGE)) {
+      builder.setUsage(bundle.getInt(FIELD_USAGE));
+    }
+    if (bundle.containsKey(FIELD_ALLOWED_CAPTURE_POLICY)) {
+      builder.setAllowedCapturePolicy(bundle.getInt(FIELD_ALLOWED_CAPTURE_POLICY));
+    }
+    return builder.build();
+  }
 }

library/common/src/main/java/com/google/android/exoplayer2/device/DeviceInfo.java

@@ -15,6 +15,7 @@
  */
 package com.google.android.exoplayer2.device;
 
+import android.os.Bundle;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 import java.lang.annotation.Documented;
@@ -26,6 +27,10 @@ import java.lang.annotation.Target;
 /** Information about the playback device. */
 public final class DeviceInfo {
 
+  private static final String FIELD_PLAYBACK_TYPE = "playbackType";
+  private static final String FIELD_MIN_VOLUME = "minVolume";
+  private static final String FIELD_MAX_VOLUME = "maxVolume";
+
   /** Types of playback. One of {@link #PLAYBACK_TYPE_LOCAL} or {@link #PLAYBACK_TYPE_REMOTE}. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
@@ -80,4 +85,21 @@ public final class DeviceInfo {
     result = 31 * result + maxVolume;
     return result;
   }
+
+  /** Converts this instance into a {@link Bundle}. */
+  public Bundle toBundle() {
+    Bundle bundle = new Bundle();
+    bundle.putInt(FIELD_PLAYBACK_TYPE, playbackType);
+    bundle.putInt(FIELD_MIN_VOLUME, minVolume);
+    bundle.putInt(FIELD_MAX_VOLUME, maxVolume);
+    return bundle;
+  }
+
+  /** Creates an {@link DeviceInfo} instance from a {@link Bundle}. */
+  public static DeviceInfo fromBundle(Bundle bundle) {
+    int playbackType = bundle.getInt(FIELD_PLAYBACK_TYPE, /* defaultValue= */ PLAYBACK_TYPE_LOCAL);
+    int minVolume = bundle.getInt(FIELD_MIN_VOLUME, /* defaultValue= */ 0);
+    int maxVolume = bundle.getInt(FIELD_MAX_VOLUME, /* defaultValue= */ 0);
+    return new DeviceInfo(playbackType, minVolume, maxVolume);
+  }
 }

library/common/src/test/java/com/google/android/exoplayer2/audio/AudioAttributesTest.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2021 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 com.google.android.exoplayer2.audio;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import com.google.android.exoplayer2.C;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/** Unit tests for {@link AudioAttributes}. */
+@RunWith(AndroidJUnit4.class)
+public class AudioAttributesTest {
+
+  @Test
+  public void roundtripViaBundle_yieldsEqualInstance() {
+    AudioAttributes audioAttributes =
+        new AudioAttributes.Builder()
+            .setContentType(C.CONTENT_TYPE_SONIFICATION)
+            .setFlags(C.FLAG_AUDIBILITY_ENFORCED)
+            .setUsage(C.USAGE_ALARM)
+            .setAllowedCapturePolicy(C.ALLOW_CAPTURE_BY_SYSTEM)
+            .build();
+
+    assertThat(AudioAttributes.fromBundle(audioAttributes.toBundle())).isEqualTo(audioAttributes);
+  }
+}

library/common/src/test/java/com/google/android/exoplayer2/device/DeviceInfoTest.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2021 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 com.google.android.exoplayer2.device;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/** Unit tests for {@link DeviceInfo}. */
+@RunWith(AndroidJUnit4.class)
+public class DeviceInfoTest {
+
+  @Test
+  public void roundtripViaBundle_yieldsEqualInstance() {
+    DeviceInfo deviceInfo =
+        new DeviceInfo(DeviceInfo.PLAYBACK_TYPE_REMOTE, /* minVolume= */ 1, /* maxVolume= */ 9);
+
+    assertThat(DeviceInfo.fromBundle(deviceInfo.toBundle())).isEqualTo(deviceInfo);
+  }
+}