1 files changed, 117 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/trackselection/FixedTrackSelection.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/trackselection/FixedTrackSelection.java
new file mode 100644
index 0000000000..824abaccfa
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/trackselection/FixedTrackSelection.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2016 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.trackselection;
+
+import androidx.annotation.Nullable;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.C;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.source.TrackGroup;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.source.chunk.MediaChunk;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.source.chunk.MediaChunkIterator;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.upstream.BandwidthMeter;
+import java.util.List;
+import org.checkerframework.checker.nullness.compatqual.NullableType;
+
+/**
+ * A {@link TrackSelection} consisting of a single track.
+ */
+public final class FixedTrackSelection extends BaseTrackSelection {
+
+  /**
+   * @deprecated Don't use as adaptive track selection factory as it will throw when multiple tracks
+   *     are selected. If you would like to disable adaptive selection in {@link
+   *     DefaultTrackSelector}, enable the {@link
+   *     DefaultTrackSelector.Parameters#forceHighestSupportedBitrate} flag instead.
+   */
+  @Deprecated
+  public static final class Factory implements TrackSelection.Factory {
+
+    private final int reason;
+    @Nullable private final Object data;
+
+    public Factory() {
+      this.reason = C.SELECTION_REASON_UNKNOWN;
+      this.data = null;
+    }
+
+    /**
+     * @param reason A reason for the track selection.
+     * @param data Optional data associated with the track selection.
+     */
+    public Factory(int reason, @Nullable Object data) {
+      this.reason = reason;
+      this.data = data;
+    }
+
+    @Override
+    public @NullableType TrackSelection[] createTrackSelections(
+        @NullableType Definition[] definitions, BandwidthMeter bandwidthMeter) {
+      return TrackSelectionUtil.createTrackSelectionsForDefinitions(
+          definitions,
+          definition ->
+              new FixedTrackSelection(definition.group, definition.tracks[0], reason, data));
+    }
+  }
+
+  private final int reason;
+  @Nullable private final Object data;
+
+  /**
+   * @param group The {@link TrackGroup}. Must not be null.
+   * @param track The index of the selected track within the {@link TrackGroup}.
+   */
+  public FixedTrackSelection(TrackGroup group, int track) {
+    this(group, track, C.SELECTION_REASON_UNKNOWN, null);
+  }
+
+  /**
+   * @param group The {@link TrackGroup}. Must not be null.
+   * @param track The index of the selected track within the {@link TrackGroup}.
+   * @param reason A reason for the track selection.
+   * @param data Optional data associated with the track selection.
+   */
+  public FixedTrackSelection(TrackGroup group, int track, int reason, @Nullable Object data) {
+    super(group, track);
+    this.reason = reason;
+    this.data = data;
+  }
+
+  @Override
+  public void updateSelectedTrack(
+      long playbackPositionUs,
+      long bufferedDurationUs,
+      long availableDurationUs,
+      List<? extends MediaChunk> queue,
+      MediaChunkIterator[] mediaChunkIterators) {
+    // Do nothing.
+  }
+
+  @Override
+  public int getSelectedIndex() {
+    return 0;
+  }
+
+  @Override
+  public int getSelectionReason() {
+    return reason;
+  }
+
+  @Override
+  @Nullable
+  public Object getSelectionData() {
+    return data;
+  }
+
+}