Tighten up media::DecoderBuffer data requirements.

media/filters/ffmpeg_demuxer_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <deque>
 #include <string>
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 600 matching lines @@
 // stream being demuxed.
 TEST_F(FFmpegDemuxerTest, UnsupportedVideoSupportedAudioDemux) {
   CreateDemuxer("vorbis_audio_wmv_video.mkv");
   InitializeDemuxer();
 
   // Ensure the expected streams are present.
   EXPECT_FALSE(demuxer_->GetStream(DemuxerStream::VIDEO));
   EXPECT_TRUE(demuxer_->GetStream(DemuxerStream::AUDIO));
 }
 
+// FFmpeg returns null data pointers when samples have zero size, leading to
+// mistakently creating end of stream buffers http://crbug.com/169133

[acolwell GONE FROM CHROMIUM, 2013/01/17 00:00:08]

s/mistakently/mistakenly

[scherkus (not reviewing), 2013/01/17 00:16:30]

Done.

+TEST_F(FFmpegDemuxerTest, MP4_ZeroStszEntry) {
+#if !defined(USE_PROPRIETARY_CODECS)

[acolwell GONE FROM CHROMIUM, 2013/01/17 00:00:08]

nit: Why don't we just put all these tests in a single #if block or put the
whole test inside an #if block? It doesn't seem like there is much value in
having a empty test run in Chromium builds.

[scherkus (not reviewing), 2013/01/17 00:16:30]

This way they still get compiled -- alternatively we can disable them w/ some
macro magic.

+  return;
+#endif
+  CreateDemuxer("bear-1280x720-zero-stsz-entry.mp4");
+  InitializeDemuxer();
+  ReadUntilEndOfStream();
+}
+
 }  // namespace media