Don't assume representations are video in first two DashChunkSource constructors.

demo_misc/vp9_opus_sw/src/main/java/com/google/android/exoplayer/demo/vp9opus/DashRendererBuilder.java

@@ -24,6 +24,7 @@ import com.google.android.exoplayer.chunk.ChunkSampleSource;
 import com.google.android.exoplayer.chunk.ChunkSource;
 import com.google.android.exoplayer.chunk.FormatEvaluator.AdaptiveEvaluator;
 import com.google.android.exoplayer.dash.DashChunkSource;
+import com.google.android.exoplayer.dash.DefaultDashTrackSelector;
 import com.google.android.exoplayer.dash.mpd.AdaptationSet;
 import com.google.android.exoplayer.dash.mpd.MediaPresentationDescription;
 import com.google.android.exoplayer.dash.mpd.MediaPresentationDescriptionParser;
@@ -108,7 +109,8 @@ public class DashRendererBuilder implements ManifestCallback<MediaPresentationDe
     LibvpxVideoTrackRenderer videoRenderer = null;
     if (!videoRepresentationsList.isEmpty()) {
       DataSource videoDataSource = new DefaultUriDataSource(player, bandwidthMeter, userAgent);
-      ChunkSource videoChunkSource = new DashChunkSource(videoDataSource,
+      ChunkSource videoChunkSource = new DashChunkSource(
+          DefaultDashTrackSelector.newVideoInstance(null, false, false), videoDataSource,
           new AdaptiveEvaluator(bandwidthMeter), manifest.getPeriodDuration(0),
           AdaptationSet.TYPE_VIDEO, videoRepresentations);
       ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
@@ -123,8 +125,9 @@ public class DashRendererBuilder implements ManifestCallback<MediaPresentationDe
       audioRenderer = null;
     } else {
       DataSource audioDataSource = new DefaultUriDataSource(player, bandwidthMeter, userAgent);
-      DashChunkSource audioChunkSource = new DashChunkSource(audioDataSource, null,
-            manifest.getPeriodDuration(0), AdaptationSet.TYPE_AUDIO, audioRepresentation);
+      DashChunkSource audioChunkSource = new DashChunkSource(
+          DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null,
+          manifest.getPeriodDuration(0), AdaptationSet.TYPE_AUDIO, audioRepresentation);
       SampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
           AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE);
       if (audioRepresentationIsOpus) {

library/src/main/java/com/google/android/exoplayer/dash/DashChunkSource.java

@@ -133,6 +133,7 @@ public class DashChunkSource implements ChunkSource, Output {
   /**
    * Lightweight constructor to use for fixed duration content.
    *
+   * @param trackSelector Selects tracks to be exposed by this source.
    * @param dataSource A {@link DataSource} suitable for loading the media data.
    * @param adaptiveFormatEvaluator For adaptive tracks, selects from the available formats.
    * @param durationMs The duration of the content.
@@ -141,15 +142,17 @@ public class DashChunkSource implements ChunkSource, Output {
    *     {@link AdaptationSet#TYPE_TEXT}.
    * @param representations The representations to be considered by the source.
    */
-  public DashChunkSource(DataSource dataSource, FormatEvaluator adaptiveFormatEvaluator,
-      long durationMs, int adaptationSetType, Representation... representations) {
-    this(dataSource, adaptiveFormatEvaluator, durationMs, adaptationSetType,
+  public DashChunkSource(DashTrackSelector trackSelector, DataSource dataSource,
+      FormatEvaluator adaptiveFormatEvaluator, long durationMs, int adaptationSetType,
+      Representation... representations) {
+    this(trackSelector, dataSource, adaptiveFormatEvaluator, durationMs, adaptationSetType,
         Arrays.asList(representations));
   }
 
   /**
    * Lightweight constructor to use for fixed duration content.
    *
+   * @param trackSelector Selects tracks to be exposed by this source.
    * @param dataSource A {@link DataSource} suitable for loading the media data.
    * @param adaptiveFormatEvaluator For adaptive tracks, selects from the available formats.
    * @param durationMs The duration of the content.
@@ -158,10 +161,10 @@ public class DashChunkSource implements ChunkSource, Output {
    *     {@link AdaptationSet#TYPE_TEXT}.
    * @param representations The representations to be considered by the source.
    */
-  public DashChunkSource(DataSource dataSource, FormatEvaluator adaptiveFormatEvaluator,
-      long durationMs, int adaptationSetType, List<Representation> representations) {
-    this(buildManifest(durationMs, adaptationSetType, representations),
-        DefaultDashTrackSelector.newVideoInstance(null, false, false), dataSource,
+  public DashChunkSource(DashTrackSelector trackSelector, DataSource dataSource,
+      FormatEvaluator adaptiveFormatEvaluator, long durationMs, int adaptationSetType,
+      List<Representation> representations) {
+    this(buildManifest(durationMs, adaptationSetType, representations), trackSelector, dataSource,
         adaptiveFormatEvaluator);
   }