Log codec IDs for MediaSource content.

media/formats/mp4/box_reader.h

 // 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.
 
 #ifndef MEDIA_FORMATS_MP4_BOX_READER_H_
 #define MEDIA_FORMATS_MP4_BOX_READER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 121 matching lines @@
 
   // Populate the values of 'version()' and 'flags()' from a full box header.
   // Many boxes, but not all, use these values. This call should happen after
   // the box has been initialized, and does not re-read the main box header.
   bool ReadFullBoxHeader() WARN_UNUSED_RESULT;
 
   FourCC type() const   { return type_; }
   uint8 version() const { return version_; }
   uint32 flags() const  { return flags_; }
 
+  const LogCB& log_cb() const { return log_cb_; }
+
  private:
   BoxReader(const uint8* buf, const int size, const LogCB& log_cb);
 
   // Must be called immediately after init. If the return is false, this
   // indicates that the box header and its contents were not available in the
   // stream or were nonsensical, and that the box must not be used further. In
   // this case, if |*err| is false, the problem was simply a lack of data, and
   // should only be an error condition if some higher-level component knows that
   // no more data is coming (i.e. EOS or end of containing box). If |*err| is
   // true, the error is unrecoverable and the stream should be aborted.
@@ skipping 56 matching lines @@
     pos_ += child_reader.size();
   }
 
   return !err;
 }
 
 }  // namespace mp4
 }  // namespace media
 
 #endif  // MEDIA_FORMATS_MP4_BOX_READER_H_