H264SpsPpsTracker class which keep tracks of SPS/PPS.

webrtc/modules/video_coding/h264_sps_pps_tracker.h

+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_MODULES_VIDEO_CODING_H264_SPS_PPS_TRACKER_H_
+#define WEBRTC_MODULES_VIDEO_CODING_H264_SPS_PPS_TRACKER_H_
+
+#include <cstdint>
+#include <map>
+#include <memory>
+
+#include "webrtc/modules/include/module_common_types.h"
+
+namespace webrtc {
+
+class VCMPacket;
+
+namespace video_coding {
+
+class H264SpsPpsTracker {
+ public:
+  bool CopyAndFixBitstream(VCMPacket* packet);
+
+ private:
+  struct PpsInfo {
+    int sps_id = -1;
+    size_t size = 0;
+    std::unique_ptr<uint8_t> data;
+  };
+
+  struct SpsInfo {
+    size_t size = 0;
+    std::unique_ptr<uint8_t> data;
+  };
+
+  std::map<uint32_t, PpsInfo> pps_data_;
+  std::map<uint32_t, SpsInfo> sps_data_;
+};
+
+}  // namespace video_coding
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_CODING_H264_SPS_PPS_TRACKER_H_