Set error on unrecognized top-level BMFF boxes.

media/mp4/mp4_stream_parser.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 "media/mp4/mp4_stream_parser.h"
 
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/logging.h"
 #include "base/time.h"
@@ skipping 432 matching lines @@
     const uint8* buf;
     int size;
     queue_.PeekAt(mdat_tail_, &buf, &size);
 
     FourCC type;
     int box_sz;
     if (!BoxReader::StartTopLevelBox(buf, size, &type, &box_sz, &err))
       break;
 
     if (type != FOURCC_MDAT) {
-      DLOG(WARNING) << "Unexpected type while parsing MDATs: "
+      DLOG(WARNING) << "Unexpected box type while parsing MDATs: "
                     << FourCCToString(type);
     }
     mdat_tail_ += box_sz;
   }
   queue_.Trim(std::min(mdat_tail_, offset));
   return !err;
 }
 
 void MP4StreamParser::ChangeState(State new_state) {
   DVLOG(2) << "Changing state: " << new_state;
   state_ = new_state;
 }
 
 }  // namespace mp4
 }  // namespace media