xref: /aosp_15_r20/external/webrtc/modules/rtp_rtcp/source/rtcp_packet/bye.h (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1 /*
2  *  Copyright (c) 2015 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 
12 #ifndef MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_BYE_H_
13 #define MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_BYE_H_
14 
15 #include <string>
16 #include <vector>
17 
18 #include "absl/strings/string_view.h"
19 #include "modules/rtp_rtcp/source/rtcp_packet.h"
20 
21 namespace webrtc {
22 namespace rtcp {
23 class CommonHeader;
24 
25 class Bye : public RtcpPacket {
26  public:
27   static constexpr uint8_t kPacketType = 203;
28 
29   Bye();
30   ~Bye() override;
31 
32   // Parse assumes header is already parsed and validated.
33   bool Parse(const CommonHeader& packet);
34 
35   bool SetCsrcs(std::vector<uint32_t> csrcs);
36   void SetReason(absl::string_view reason);
37 
csrcs()38   const std::vector<uint32_t>& csrcs() const { return csrcs_; }
reason()39   const std::string& reason() const { return reason_; }
40 
41   size_t BlockLength() const override;
42 
43   bool Create(uint8_t* packet,
44               size_t* index,
45               size_t max_length,
46               PacketReadyCallback callback) const override;
47 
48  private:
49   static const int kMaxNumberOfCsrcs = 0x1f - 1;  // First item is sender SSRC.
50 
51   std::vector<uint32_t> csrcs_;
52   std::string reason_;
53 };
54 
55 }  // namespace rtcp
56 }  // namespace webrtc
57 #endif  // MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_BYE_H_
58