Drop EMSG atoms before MOOV

------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=186454715
2018-02-21 07:14:25 -08:00 · 2018-02-21 07:14:25 -08:00 · e3d4464635
commit e3d4464635
parent fba2b46a8b
1 changed files with 1 additions and 1 deletions
--- a/library/core/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java
@ -549,7 +549,7 @@ public final class FragmentedMp4Extractor implements Extractor {
   * Parses an emsg atom (defined in 23009-1).
   */
  private void onEmsgLeafAtomRead(ParsableByteArray atom) {
-    if (emsgTrackOutputs.length == 0) {
+    if (emsgTrackOutputs == null || emsgTrackOutputs.length == 0) {
      return;
    }