From ad1369055d57eeef248e18a4e397e4610f9481c5 Mon Sep 17 00:00:00 2001
From: Matthew Gregan <kinetik@flim.org>
Date: Tue, 14 Sep 2010 13:46:48 +1200
Subject: [PATCH] Bug 596111 - Don't assume first WebM track is video.  Seek
 using mVideoTrack (or mAudioTrack if there's no video).  r=doublec

---
 content/media/webm/nsWebMReader.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/content/media/webm/nsWebMReader.cpp b/content/media/webm/nsWebMReader.cpp
index f4f9846fa547..6d35097ef32e 100644
--- a/content/media/webm/nsWebMReader.cpp
+++ b/content/media/webm/nsWebMReader.cpp
@@ -697,7 +697,8 @@ nsresult nsWebMReader::Seek(PRInt64 aTarget, PRInt64 aStartTime, PRInt64 aEndTim
   if (NS_FAILED(ResetDecode())) {
     return NS_ERROR_FAILURE;
   }
-  int r = nestegg_track_seek(mContext, 0, aTarget * NS_PER_MS);
+  PRUint32 trackToSeek = mHasVideo ? mVideoTrack : mAudioTrack;
+  int r = nestegg_track_seek(mContext, trackToSeek, aTarget * NS_PER_MS);
   if (r != 0) {
     return NS_ERROR_FAILURE;
   }