Line data    Source code

       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 WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TARGET_BITRATE_H_
      12             : #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TARGET_BITRATE_H_
      13             : 
      14             : #include <vector>
      15             : 
      16             : #include "webrtc/base/basictypes.h"
      17             : 
      18             : namespace webrtc {
      19             : namespace rtcp {
      20             : 
      21           0 : class TargetBitrate {
      22             :  public:
      23             :   // TODO(sprang): This block type is just a place holder. We need to get an
      24             :   //               id assigned by IANA.
      25             :   static constexpr uint8_t kBlockType = 42;
      26             :   static const size_t kBitrateItemSizeBytes;
      27             : 
      28             :   struct BitrateItem {
      29             :     BitrateItem();
      30             :     BitrateItem(uint8_t spatial_layer,
      31             :                 uint8_t temporal_layer,
      32             :                 uint32_t target_bitrate_kbps);
      33             : 
      34             :     uint8_t spatial_layer;
      35             :     uint8_t temporal_layer;
      36             :     uint32_t target_bitrate_kbps;
      37             :   };
      38             : 
      39             :   TargetBitrate();
      40             :   ~TargetBitrate();
      41             : 
      42             :   void AddTargetBitrate(uint8_t spatial_layer,
      43             :                         uint8_t temporal_layer,
      44             :                         uint32_t target_bitrate_kbps);
      45             : 
      46             :   const std::vector<BitrateItem>& GetTargetBitrates() const;
      47             : 
      48             :   bool Parse(const uint8_t* block, uint16_t block_length);
      49             : 
      50             :   void Create(uint8_t* buffer) const;
      51             : 
      52             :   size_t BlockLength() const;
      53             : 
      54             :  private:
      55             :   std::vector<BitrateItem> bitrates_;
      56             : };
      57             : 
      58             : }  // namespace rtcp
      59             : }  // namespace webrtc
      60             : #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TARGET_BITRATE_H_