Media: AudioVideoMetadataParser - Parse rotation metadata.

media/base/audio_video_metadata_extractor.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_BASE_AUDIO_VIDEO_METADATA_EXTRACTOR_H_
 #define MEDIA_BASE_AUDIO_VIDEO_METADATA_EXTRACTOR_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 16 matching lines @@
   // be called once.
   bool Extract(DataSource* source);
 
   // Returns -1 if we cannot extract the duration. In seconds.
   double duration() const;
 
   // Returns -1 for containers without video.
   int width() const;
   int height() const;
 
+  // Returns -1 if undefined.
+  int rotation() const;
+
   // Returns -1 or an empty string if the value is undefined.
   const std::string& album() const;
   const std::string& artist() const;
   const std::string& comment() const;
   const std::string& copyright() const;
   const std::string& date() const;
   int disc() const;
   const std::string& encoder() const;
   const std::string& encoded_by() const;
   const std::string& genre() const;
@@ skipping 13 matching lines @@
   std::string album_;
   std::string artist_;
   std::string comment_;
   std::string copyright_;
   std::string date_;
   int disc_;
   std::string encoder_;
   std::string encoded_by_;
   std::string genre_;
   std::string language_;
+  int rotation_;
   std::string title_;
   int track_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioVideoMetadataExtractor);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_AUDIO_VIDEO_METADATA_EXTRACTOR_H_