Fix SPS/PPS insertion logic in MP4StreamParser.

media/formats/mp4/mp4_stream_parser_unittest.cc

 // Copyright 2014 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 <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
@@ skipping 196 matching lines @@
                                  512));
 }
 
 // Test an invalid file where there are encrypted samples, but
 // SampleAuxiliaryInformation{Sizes|Offsets}Box (saiz|saio) are missing.
 // The parser should fail instead of crash. See http://crbug.com/361347
 TEST_F(MP4StreamParserTest, MissingSampleAuxInfo) {
   ParseMP4File("bear-1280x720-a_frag-cenc_missing-saiz-saio.mp4", 512);
 }
 
+// Test a file where all video samples start with an Access Unit
+// Delimiter (AUD) NALU.
+TEST_F(MP4StreamParserTest, VideoSamplesStartWithAUDs) {
+  ParseMP4File("bear-1280x720-av_with-aud-nalus_frag.mp4", 512);
+}
+
 // TODO(strobe): Create and test media which uses CENC auxiliary info stored
 // inside a private box
 
 }  // namespace mp4
 }  // namespace media