Image AdaptationSets have to be excluded from duration calculation, similar to…

Image AdaptationSets have to be excluded from duration calculation, similar to Text AdaptationSets, see issue 4029 (https://github.com/google/ExoPlayer/issues/4029).

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/DashMediaSource.java

@@ -1056,9 +1056,9 @@ public final class DashMediaSource extends BaseMediaSource {
     for (int i = 0; i < period.adaptationSets.size(); i++) {
       AdaptationSet adaptationSet = period.adaptationSets.get(i);
       List<Representation> representations = adaptationSet.representations;
-      // Exclude text adaptation sets from duration calculations, if we have at least one audio
+      // Exclude text and image adaptation sets from duration calculations, if we have at least one audio
       // or video adaptation set. See: https://github.com/google/ExoPlayer/issues/4029
-      if ((haveAudioVideoAdaptationSets && adaptationSet.type == C.TRACK_TYPE_TEXT)
+      if ((haveAudioVideoAdaptationSets && (adaptationSet.type == C.TRACK_TYPE_TEXT || adaptationSet.type == C.TRACK_TYPE_IMAGE))
           || representations.isEmpty()) {
         continue;
       }
@@ -1088,9 +1088,9 @@ public final class DashMediaSource extends BaseMediaSource {
     for (int i = 0; i < period.adaptationSets.size(); i++) {
       AdaptationSet adaptationSet = period.adaptationSets.get(i);
       List<Representation> representations = adaptationSet.representations;
-      // Exclude text adaptation sets from duration calculations, if we have at least one audio
+      // Exclude text and image adaptation sets from duration calculations, if we have at least one audio
       // or video adaptation set. See: https://github.com/google/ExoPlayer/issues/4029
-      if ((haveAudioVideoAdaptationSets && adaptationSet.type == C.TRACK_TYPE_TEXT)
+      if ((haveAudioVideoAdaptationSets && (adaptationSet.type == C.TRACK_TYPE_TEXT || adaptationSet.type == C.TRACK_TYPE_IMAGE))
           || representations.isEmpty()) {
         continue;
       }