1 /* 2 * Copyright (c) 2016 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 MODULES_VIDEO_CODING_H264_SPS_PPS_TRACKER_H_ 12 #define MODULES_VIDEO_CODING_H264_SPS_PPS_TRACKER_H_ 13 14 #include <cstdint> 15 #include <map> 16 #include <memory> 17 #include <vector> 18 19 #include "modules/include/module_common_types.h" 20 21 namespace webrtc { 22 23 class VCMPacket; 24 25 namespace video_coding { 26 27 class H264SpsPpsTracker { 28 public: 29 enum PacketAction { kInsert, kDrop, kRequestKeyframe }; 30 31 PacketAction CopyAndFixBitstream(VCMPacket* packet); 32 33 void InsertSpsPpsNalus(const std::vector<uint8_t>& sps, 34 const std::vector<uint8_t>& pps); 35 36 private: 37 struct PpsInfo { 38 int sps_id = -1; 39 size_t size = 0; 40 std::unique_ptr<uint8_t[]> data; 41 }; 42 43 struct SpsInfo { 44 size_t size = 0; 45 int width = -1; 46 int height = -1; 47 std::unique_ptr<uint8_t[]> data; 48 }; 49 50 std::map<uint32_t, PpsInfo> pps_data_; 51 std::map<uint32_t, SpsInfo> sps_data_; 52 }; 53 54 } // namespace video_coding 55 } // namespace webrtc 56 57 #endif // MODULES_VIDEO_CODING_H264_SPS_PPS_TRACKER_H_ 58