Cast: Only ACK decodable frames

media/cast/framer/frame_id_map.h

 // Copyright 2013 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_CAST_FRAMER_FRAME_ID_MAP_H_
 #define MEDIA_CAST_FRAMER_FRAME_ID_MAP_H_
 
 #include <map>
 #include <set>
 
@@ skipping 48 matching lines @@
 
   void RemoveOldFrames(uint32 frame_id);
   void Clear();
 
   // Identifies the next frame to be released (rendered).
   bool NextContinuousFrame(uint32* frame_id) const;
   uint32 LastContinuousFrame() const;
 
   bool NextAudioFrameAllowingMissingFrames(uint32* frame_id) const;
   bool NextVideoFrameAllowingSkippingFrames(uint32* frame_id) const;
+  bool HaveMultipleDecodableFrames() const;
 
   int NumberOfCompleteFrames() const;
   void GetMissingPackets(uint32 frame_id,
                          bool last_frame,
                          PacketIdSet* missing_packets) const;
 
  private:
   bool ContinuousFrame(FrameInfo* frame) const;
   bool DecodableVideoFrame(FrameInfo* frame) const;
 
   FrameMap frame_map_;
   bool waiting_for_key_;
   uint32 last_released_frame_;
   uint32 newest_frame_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameIdMap);
 };
 
 }  //  namespace cast
 }  //  namespace media
 
 #endif  // MEDIA_CAST_FRAMER_FRAME_ID_MAP_H_