1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // A very simple packet builder class for building RTCP packets.
6 // Used for testing only.
7 #ifndef MEDIA_CAST_RTCP_TEST_RTCP_PACKET_BUILDER_H_
8 #define MEDIA_CAST_RTCP_TEST_RTCP_PACKET_BUILDER_H_
10 #include "media/cast/cast_config.h"
11 #include "media/cast/rtcp/rtcp_defines.h"
12 #include "net/base/big_endian.h"
17 // These values are arbitrary only for the purpose of testing.
21 static const int kNtpHigh = 0x01020304;
22 static const int kNtpLow = 0x05060708;
23 static const int kRtpTimestamp = 0x10203040;
24 static const int kSendPacketCount = 987;
25 static const int kSendOctetCount = 87654;
28 static const int kLoss = 0x01000123;
29 static const int kExtendedMax = 0x15678;
30 static const int kTestJitter = 0x10203;
31 static const int kLastSr = 0x34561234;
32 static const int kDelayLastSr = 1000;
35 static const int kLastRr = 0x34561234;
36 static const int kDelayLastRr = 1000;
39 static const int kTestRembBitrate = 52428;
42 static const int kPayloadtype = 126;
43 static const uint64 kPictureId = 0x1234567890;
46 static const int kMissingPacket = 34567;
49 static const uint32 kAckFrameId = 17;
50 static const uint32 kLostFrameId = 18;
51 static const uint32 kFrameIdWithLostPackets = 19;
52 static const int kLostPacketId1 = 3;
53 static const int kLostPacketId2 = 5;
54 static const int kLostPacketId3 = 12;
57 class TestRtcpPacketBuilder {
59 TestRtcpPacketBuilder();
61 void AddSr(uint32 sender_ssrc, int number_of_report_blocks);
62 void AddSrWithNtp(uint32 sender_ssrc,
65 uint32 rtp_timestamp);
66 void AddRr(uint32 sender_ssrc, int number_of_report_blocks);
67 void AddRb(uint32 rtp_ssrc);
68 void AddSdesCname(uint32 sender_ssrc, const std::string& c_name);
70 void AddXrHeader(uint32 sender_ssrc);
71 void AddXrDlrrBlock(uint32 sender_ssrc);
72 void AddXrExtendedDlrrBlock(uint32 sender_ssrc);
73 void AddXrRrtrBlock();
74 void AddXrUnknownBlock();
76 void AddNack(uint32 sender_ssrc, uint32 media_ssrc);
77 void AddSendReportRequest(uint32 sender_ssrc, uint32 media_ssrc);
79 void AddPli(uint32 sender_ssrc, uint32 media_ssrc);
80 void AddRpsi(uint32 sender_ssrc, uint32 media_ssrc);
81 void AddRemb(uint32 sender_ssrc, uint32 media_ssrc);
82 void AddCast(uint32 sender_ssrc, uint32 media_ssrc);
83 void AddSenderLog(uint32 sender_ssrc);
84 void AddSenderFrameLog(uint8 event_id, uint32 rtp_timestamp);
85 void AddReceiverLog(uint32 sender_ssrc);
86 void AddReceiverFrameLog(uint32 rtp_timestamp,
88 uint32 event_timesamp_base);
89 void AddReceiverEventLog(uint16 event_data,
91 uint16 event_timesamp_delta);
93 scoped_ptr<Packet> GetPacket();
95 int Length() { return kMaxIpPacketSize - big_endian_writer_.remaining(); }
98 void AddRtcpHeader(int payload, int format_or_count);
99 void PatchLengthField();
101 // Where the length field of the current packet is.
102 // Note: 0 is not a legal value, it is used for "uninitialized".
103 uint8 buffer_[kMaxIpPacketSize];
104 char* ptr_of_length_;
105 net::BigEndianWriter big_endian_writer_;
107 DISALLOW_COPY_AND_ASSIGN(TestRtcpPacketBuilder);
113 #endif // MEDIA_CAST_RTCP_TEST_RTCP_PACKET_BUILDER_H_