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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. | |
4 | |
5 #ifndef MEDIA_CAST_RTCP_RTCP_DEFINES_H_ | |
6 #define MEDIA_CAST_RTCP_RTCP_DEFINES_H_ | |
7 | |
8 #include <map> | |
9 #include <set> | |
10 | |
11 #include "media/cast/cast_config.h" | |
12 #include "media/cast/cast_defines.h" | |
13 #include "media/cast/logging/logging_defines.h" | |
14 #include "media/cast/transport/cast_transport_defines.h" | |
15 | |
16 namespace media { | |
17 namespace cast { | |
18 | |
19 static const size_t kRtcpCastLogHeaderSize = 12; | |
20 static const size_t kRtcpReceiverFrameLogSize = 8; | |
21 static const size_t kRtcpReceiverEventLogSize = 4; | |
22 | |
23 // Handle the per frame ACK and NACK messages. | |
24 class RtcpCastMessage { | |
25 public: | |
26 explicit RtcpCastMessage(uint32 media_ssrc); | |
27 ~RtcpCastMessage(); | |
28 | |
29 void Copy(const RtcpCastMessage& cast_message); | |
30 | |
31 uint32 media_ssrc_; | |
32 uint32 ack_frame_id_; | |
33 uint16 target_delay_ms_; | |
34 MissingFramesAndPacketsMap missing_frames_and_packets_; | |
35 | |
36 DISALLOW_COPY_AND_ASSIGN(RtcpCastMessage); | |
37 }; | |
38 | |
39 // Log messages from receiver to sender. | |
40 struct RtcpReceiverEventLogMessage { | |
41 RtcpReceiverEventLogMessage(); | |
42 ~RtcpReceiverEventLogMessage(); | |
43 | |
44 CastLoggingEvent type; | |
45 base::TimeTicks event_timestamp; | |
46 base::TimeDelta delay_delta; | |
47 uint16 packet_id; | |
48 }; | |
49 | |
50 typedef std::list<RtcpReceiverEventLogMessage> RtcpReceiverEventLogMessages; | |
51 | |
52 struct RtcpReceiverFrameLogMessage { | |
53 explicit RtcpReceiverFrameLogMessage(uint32 rtp_timestamp); | |
54 ~RtcpReceiverFrameLogMessage(); | |
55 | |
56 uint32 rtp_timestamp_; | |
57 RtcpReceiverEventLogMessages event_log_messages_; | |
58 | |
59 // TODO(mikhal): Investigate what's the best way to allow adding | |
60 // DISALLOW_COPY_AND_ASSIGN, as currently it contradicts the implementation | |
61 // and possible changes have a big impact on design. | |
62 }; | |
63 | |
64 typedef std::list<RtcpReceiverFrameLogMessage> RtcpReceiverLogMessage; | |
65 | |
66 struct RtcpRpsiMessage { | |
67 RtcpRpsiMessage(); | |
68 ~RtcpRpsiMessage(); | |
69 | |
70 uint32 remote_ssrc; | |
71 uint8 payload_type; | |
72 uint64 picture_id; | |
73 }; | |
74 | |
75 struct RtcpNackMessage { | |
76 RtcpNackMessage(); | |
77 ~RtcpNackMessage(); | |
78 | |
79 uint32 remote_ssrc; | |
80 std::list<uint16> nack_list; | |
81 | |
82 DISALLOW_COPY_AND_ASSIGN(RtcpNackMessage); | |
83 }; | |
84 | |
85 struct RtcpRembMessage { | |
86 RtcpRembMessage(); | |
87 ~RtcpRembMessage(); | |
88 | |
89 uint32 remb_bitrate; | |
90 std::list<uint32> remb_ssrcs; | |
91 | |
92 DISALLOW_COPY_AND_ASSIGN(RtcpRembMessage); | |
93 }; | |
94 | |
95 struct RtcpReceiverReferenceTimeReport { | |
96 RtcpReceiverReferenceTimeReport(); | |
97 ~RtcpReceiverReferenceTimeReport(); | |
98 | |
99 uint32 remote_ssrc; | |
100 uint32 ntp_seconds; | |
101 uint32 ntp_fraction; | |
102 }; | |
103 | |
104 inline bool operator==(RtcpReceiverReferenceTimeReport lhs, | |
105 RtcpReceiverReferenceTimeReport rhs) { | |
106 return lhs.remote_ssrc == rhs.remote_ssrc && | |
107 lhs.ntp_seconds == rhs.ntp_seconds && | |
108 lhs.ntp_fraction == rhs.ntp_fraction; | |
109 } | |
110 | |
111 // Struct used by raw event subscribers as an intermediate format before | |
112 // sending off to the other side via RTCP. | |
113 // (i.e., {Sender,Receiver}RtcpEventSubscriber) | |
114 struct RtcpEvent { | |
115 RtcpEvent(); | |
116 ~RtcpEvent(); | |
117 | |
118 CastLoggingEvent type; | |
119 | |
120 // Time of event logged. | |
121 base::TimeTicks timestamp; | |
122 | |
123 // Render/playout delay. Only set for FRAME_PLAYOUT events. | |
124 base::TimeDelta delay_delta; | |
125 | |
126 // Only set for packet events. | |
127 uint16 packet_id; | |
128 }; | |
129 | |
130 } // namespace cast | |
131 } // namespace media | |
132 | |
133 #endif // MEDIA_CAST_RTCP_RTCP_DEFINES_H_ | |
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