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      1 /*
      2  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_MODULES_VIDEO_CODING_TIMESTAMP_MAP_H_
     12 #define WEBRTC_MODULES_VIDEO_CODING_TIMESTAMP_MAP_H_
     13 
     14 #include "webrtc/typedefs.h"
     15 
     16 namespace webrtc
     17 {
     18 
     19 struct VCMTimestampDataTuple
     20 {
     21     uint32_t    timestamp;
     22     void*             data;
     23 };
     24 
     25 class VCMTimestampMap
     26 {
     27 public:
     28     // Constructor. Optional parameter specifies maximum number of
     29     // timestamps in map.
     30     VCMTimestampMap(const int32_t length = 10);
     31 
     32     // Destructor.
     33     ~VCMTimestampMap();
     34 
     35     // Empty the map
     36     void Reset();
     37 
     38     int32_t Add(uint32_t timestamp, void*  data);
     39     void* Pop(uint32_t timestamp);
     40 
     41 private:
     42     bool IsEmpty() const;
     43 
     44     VCMTimestampDataTuple* _map;
     45     int32_t                   _nextAddIx;
     46     int32_t                   _nextPopIx;
     47     int32_t                   _length;
     48 };
     49 
     50 }  // namespace webrtc
     51 
     52 #endif // WEBRTC_MODULES_VIDEO_CODING_TIMESTAMP_MAP_H_
     53