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/base/scoped_ptr.h" 15 #include "webrtc/typedefs.h" 16 17 namespace webrtc { 18 19 struct VCMFrameInformation; 20 21 class VCMTimestampMap { 22 public: 23 explicit VCMTimestampMap(size_t capacity); 24 ~VCMTimestampMap(); 25 26 // Empty the map. 27 void Reset(); 28 29 void Add(uint32_t timestamp, VCMFrameInformation* data); 30 VCMFrameInformation* Pop(uint32_t timestamp); 31 32 private: 33 struct TimestampDataTuple { 34 uint32_t timestamp; 35 VCMFrameInformation* data; 36 }; 37 bool IsEmpty() const; 38 39 rtc::scoped_ptr<TimestampDataTuple[]> ring_buffer_; 40 const size_t capacity_; 41 size_t next_add_idx_; 42 size_t next_pop_idx_; 43 }; 44 45 } // namespace webrtc 46 47 #endif // WEBRTC_MODULES_VIDEO_CODING_TIMESTAMP_MAP_H_ 48