Fix initializationData check for SSA subtitles

49423754 · Ian Bird · Oliver Woodman · e469269f · 49423754
Commit 49423754 authored Nov 21, 2017 by Ian Bird Committed by Oliver Woodman Nov 21, 2017
Showing with 1 additions and 1 deletions
library/core/src/main/java/com/google/android/exoplayer2/text/ssa/SsaDecoder.java
--- a/library/core/src/main/java/com/google/android/exoplayer2/text/ssa/SsaDecoder.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/text/ssa/SsaDecoder.java
@@ -59,7 +59,7 @@ public final class SsaDecoder extends SimpleSubtitleDecoder {
   */
  public SsaDecoder(List<byte[]> initializationData) {
    super("SsaDecoder");
-    if (initializationData != null) {
+    if (initializationData != null && initializationData.size() > 0) {
      haveInitializationData = true;
      String formatLine = new String(initializationData.get(0));
      Assertions.checkArgument(formatLine.startsWith(FORMAT_LINE_PREFIX));