1 files changed, 162 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/audio/AudioAttributes.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/audio/AudioAttributes.java
new file mode 100644
index 0000000000..d0f3fcb438
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/audio/AudioAttributes.java
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2017 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 org.mozilla.thirdparty.com.google.android.exoplayer2.audio;
+
+import android.annotation.TargetApi;
+import androidx.annotation.Nullable;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.C;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.Util;
+
+/**
+ * Attributes for audio playback, which configure the underlying platform
+ * {@link android.media.AudioTrack}.
+ * <p>
+ * To set the audio attributes, create an instance using the {@link Builder} and either pass it to
+ * {@link org.mozilla.thirdparty.com.google.android.exoplayer2SimpleExoPlayer#setAudioAttributes(AudioAttributes)} or
+ * send a message of type {@link C#MSG_SET_AUDIO_ATTRIBUTES} to the audio renderers.
+ * <p>
+ * This class is based on {@link android.media.AudioAttributes}, but can be used on all supported
+ * API versions.
+ */
+public final class AudioAttributes {
+
+  public static final AudioAttributes DEFAULT = new Builder().build();
+
+  /**
+   * Builder for {@link AudioAttributes}.
+   */
+  public static final class Builder {
+
+    private @C.AudioContentType int contentType;
+    private @C.AudioFlags int flags;
+    private @C.AudioUsage int usage;
+    private @C.AudioAllowedCapturePolicy int allowedCapturePolicy;
+
+    /**
+     * Creates a new builder for {@link AudioAttributes}.
+     *
+     * <p>By default the content type is {@link C#CONTENT_TYPE_UNKNOWN}, usage is {@link
+     * C#USAGE_MEDIA}, capture policy is {@link C#ALLOW_CAPTURE_BY_ALL} and no flags are set.
+     */
+    public Builder() {
+      contentType = C.CONTENT_TYPE_UNKNOWN;
+      flags = 0;
+      usage = C.USAGE_MEDIA;
+      allowedCapturePolicy = C.ALLOW_CAPTURE_BY_ALL;
+    }
+
+    /**
+     * @see android.media.AudioAttributes.Builder#setContentType(int)
+     */
+    public Builder setContentType(@C.AudioContentType int contentType) {
+      this.contentType = contentType;
+      return this;
+    }
+
+    /**
+     * @see android.media.AudioAttributes.Builder#setFlags(int)
+     */
+    public Builder setFlags(@C.AudioFlags int flags) {
+      this.flags = flags;
+      return this;
+    }
+
+    /**
+     * @see android.media.AudioAttributes.Builder#setUsage(int)
+     */
+    public Builder setUsage(@C.AudioUsage int usage) {
+      this.usage = usage;
+      return this;
+    }
+
+    /** See {@link android.media.AudioAttributes.Builder#setAllowedCapturePolicy(int)}. */
+    public Builder setAllowedCapturePolicy(@C.AudioAllowedCapturePolicy int allowedCapturePolicy) {
+      this.allowedCapturePolicy = allowedCapturePolicy;
+      return this;
+    }
+
+    /** Creates an {@link AudioAttributes} instance from this builder. */
+    public AudioAttributes build() {
+      return new AudioAttributes(contentType, flags, usage, allowedCapturePolicy);
+    }
+
+  }
+
+  public final @C.AudioContentType int contentType;
+  public final @C.AudioFlags int flags;
+  public final @C.AudioUsage int usage;
+  public final @C.AudioAllowedCapturePolicy int allowedCapturePolicy;
+
+  @Nullable private android.media.AudioAttributes audioAttributesV21;
+
+  private AudioAttributes(
+      @C.AudioContentType int contentType,
+      @C.AudioFlags int flags,
+      @C.AudioUsage int usage,
+      @C.AudioAllowedCapturePolicy int allowedCapturePolicy) {
+    this.contentType = contentType;
+    this.flags = flags;
+    this.usage = usage;
+    this.allowedCapturePolicy = allowedCapturePolicy;
+  }
+
+  /**
+   * Returns a {@link android.media.AudioAttributes} from this instance.
+   *
+   * <p>Field {@link AudioAttributes#allowedCapturePolicy} is ignored for API levels prior to 29.
+   */
+  @TargetApi(21)
+  public android.media.AudioAttributes getAudioAttributesV21() {
+    if (audioAttributesV21 == null) {
+      android.media.AudioAttributes.Builder builder =
+          new android.media.AudioAttributes.Builder()
+              .setContentType(contentType)
+              .setFlags(flags)
+              .setUsage(usage);
+      if (Util.SDK_INT >= 29) {
+        builder.setAllowedCapturePolicy(allowedCapturePolicy);
+      }
+      audioAttributesV21 = builder.build();
+    }
+    return audioAttributesV21;
+  }
+
+  @Override
+  public boolean equals(@Nullable Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (obj == null || getClass() != obj.getClass()) {
+      return false;
+    }
+    AudioAttributes other = (AudioAttributes) obj;
+    return this.contentType == other.contentType
+        && this.flags == other.flags
+        && this.usage == other.usage
+        && this.allowedCapturePolicy == other.allowedCapturePolicy;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = 17;
+    result = 31 * result + contentType;
+    result = 31 * result + flags;
+    result = 31 * result + usage;
+    result = 31 * result + allowedCapturePolicy;
+    return result;
+  }
+
+}