Do not start writing audio frames until at least one video frame has …

…been written. Fixes an issue where first video frame in the movie is occasionally blank
xuvw · Apr 8, 2014 · 3c4a08b · 3c4a08b
1 parent 52ec666
commit 3c4a08b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/framework/Source/iOS/GPUImageMovieWriter.m b/framework/Source/iOS/GPUImageMovieWriter.m
@@ -360,7 +360,7 @@ - (void)processAudioBuffer:(CMSampleBufferRef)audioBuffer;
         return;
     }
 
-    if (_hasAudioTrack)
+    if (_hasAudioTrack && CMTIME_IS_VALID(startTime))
     {
         CFRetain(audioBuffer);