mediasoup-sys 0.2.2

FFI bindings to C++ libmediasoup-worker
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149

#define MS_CLASS "RTC::RTCP::CompoundPacket"
// #define MS_LOG_DEV_LEVEL 3

#include "RTC/RTCP/CompoundPacket.hpp"
#include "Logger.hpp"

namespace RTC
{
	namespace RTCP
	{
		/* Instance methods. */

		void CompoundPacket::Serialize(uint8_t* data)
		{
			MS_TRACE();

			this->header = data;

			// Calculate the total required size for the entire message.
			if (HasSenderReport())
			{
				this->size = this->senderReportPacket.GetSize();

				if (this->receiverReportPacket.GetCount() != 0u)
				{
					this->size += sizeof(ReceiverReport::Header) * this->receiverReportPacket.GetCount();
				}
			}
			// If no sender nor receiver reports are present send an empty Receiver Report
			// packet as the head of the compound packet.
			else
			{
				this->size = this->receiverReportPacket.GetSize();
			}

			if (this->sdesPacket.GetCount() != 0u)
				this->size += this->sdesPacket.GetSize();

			if (this->xrPacket.Begin() != this->xrPacket.End())
				this->size += this->xrPacket.GetSize();

			// Fill it.
			size_t offset{ 0 };

			if (HasSenderReport())
			{
				this->senderReportPacket.Serialize(this->header);
				offset = this->senderReportPacket.GetSize();

				// Fix header count field.
				auto* header = reinterpret_cast<Packet::CommonHeader*>(this->header);

				header->count = 0;

				if (this->receiverReportPacket.GetCount() != 0u)
				{
					// Fix header length field.
					size_t length =
					  ((sizeof(SenderReport::Header) +
					    (sizeof(ReceiverReport::Header) * this->receiverReportPacket.GetCount())) /
					   4);

					header->length = uint16_t{ htons(length) };

					// Fix header count field.
					header->count = this->receiverReportPacket.GetCount();

					auto it = this->receiverReportPacket.Begin();

					for (; it != this->receiverReportPacket.End(); ++it)
					{
						ReceiverReport* report = (*it);

						report->Serialize(this->header + offset);
						offset += sizeof(ReceiverReport::Header);
					}
				}
			}
			else
			{
				this->receiverReportPacket.Serialize(this->header);
				offset = this->receiverReportPacket.GetSize();
			}

			if (this->sdesPacket.GetCount() != 0u)
				offset += this->sdesPacket.Serialize(this->header + offset);

			if (this->xrPacket.Begin() != this->xrPacket.End())
				this->xrPacket.Serialize(this->header + offset);
		}

		void CompoundPacket::Dump()
		{
			MS_TRACE();

			MS_DUMP("<CompoundPacket>");

			if (HasSenderReport())
			{
				this->senderReportPacket.Dump();

				if (this->receiverReportPacket.GetCount() != 0u)
					this->receiverReportPacket.Dump();
			}
			else
			{
				this->receiverReportPacket.Dump();
			}

			if (this->sdesPacket.GetCount() != 0u)
				this->sdesPacket.Dump();

			if (this->xrPacket.Begin() != this->xrPacket.End())
				this->xrPacket.Dump();

			MS_DUMP("</CompoundPacket>");
		}

		void CompoundPacket::AddSenderReport(SenderReport* report)
		{
			MS_TRACE();

			MS_ASSERT(!HasSenderReport(), "a Sender Report is already present");

			this->senderReportPacket.AddReport(report);
		}

		void CompoundPacket::AddReceiverReport(ReceiverReport* report)
		{
			MS_TRACE();

			this->receiverReportPacket.AddReport(report);
		}

		void CompoundPacket::AddSdesChunk(SdesChunk* chunk)
		{
			MS_TRACE();

			this->sdesPacket.AddChunk(chunk);
		}

		void CompoundPacket::AddReceiverReferenceTime(ReceiverReferenceTime* report)
		{
			MS_TRACE();

			this->xrPacket.AddReport(report);
		}
	} // namespace RTCP
} // namespace RTC