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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_CAST_NET_CAST_TRANSPORT_CONFIG_H_ | 5 #ifndef MEDIA_CAST_NET_CAST_TRANSPORT_CONFIG_H_ |
6 #define MEDIA_CAST_NET_CAST_TRANSPORT_CONFIG_H_ | 6 #define MEDIA_CAST_NET_CAST_TRANSPORT_CONFIG_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/basictypes.h" | |
11 #include "base/callback.h" | 10 #include "base/callback.h" |
12 #include "base/stl_util.h" | 11 #include "base/stl_util.h" |
13 #include "media/cast/net/cast_transport_defines.h" | 12 #include "media/cast/net/cast_transport_defines.h" |
14 | 13 |
15 namespace media { | 14 namespace media { |
16 namespace cast { | 15 namespace cast { |
17 | 16 |
18 enum Codec { | 17 enum Codec { |
19 CODEC_UNKNOWN, | 18 CODEC_UNKNOWN, |
20 CODEC_AUDIO_OPUS, | 19 CODEC_AUDIO_OPUS, |
21 CODEC_AUDIO_PCM16, | 20 CODEC_AUDIO_PCM16, |
22 CODEC_AUDIO_AAC, | 21 CODEC_AUDIO_AAC, |
23 CODEC_VIDEO_FAKE, | 22 CODEC_VIDEO_FAKE, |
24 CODEC_VIDEO_VP8, | 23 CODEC_VIDEO_VP8, |
25 CODEC_VIDEO_H264, | 24 CODEC_VIDEO_H264, |
26 CODEC_LAST = CODEC_VIDEO_H264 | 25 CODEC_LAST = CODEC_VIDEO_H264 |
27 }; | 26 }; |
28 | 27 |
29 struct CastTransportRtpConfig { | 28 struct CastTransportRtpConfig { |
30 CastTransportRtpConfig(); | 29 CastTransportRtpConfig(); |
31 ~CastTransportRtpConfig(); | 30 ~CastTransportRtpConfig(); |
32 | 31 |
33 // Identifier refering to this sender. | 32 // Identifier refering to this sender. |
34 uint32 ssrc; | 33 uint32_t ssrc; |
35 | 34 |
36 // Identifier for incoming RTCP traffic. | 35 // Identifier for incoming RTCP traffic. |
37 uint32 feedback_ssrc; | 36 uint32_t feedback_ssrc; |
38 | 37 |
39 // RTP payload type enum: Specifies the type/encoding of frame data. | 38 // RTP payload type enum: Specifies the type/encoding of frame data. |
40 int rtp_payload_type; | 39 int rtp_payload_type; |
41 | 40 |
42 // The AES crypto key and initialization vector. Each of these strings | 41 // The AES crypto key and initialization vector. Each of these strings |
43 // contains the data in binary form, of size kAesKeySize. If they are empty | 42 // contains the data in binary form, of size kAesKeySize. If they are empty |
44 // strings, crypto is not being used. | 43 // strings, crypto is not being used. |
45 std::string aes_key; | 44 std::string aes_key; |
46 std::string aes_iv_mask; | 45 std::string aes_iv_mask; |
47 }; | 46 }; |
(...skipping 15 matching lines...) Expand all Loading... |
63 // Independently decodable, and no future frames will depend on any frames | 62 // Independently decodable, and no future frames will depend on any frames |
64 // before this one. | 63 // before this one. |
65 KEY, | 64 KEY, |
66 | 65 |
67 DEPENDENCY_LAST = KEY | 66 DEPENDENCY_LAST = KEY |
68 }; | 67 }; |
69 | 68 |
70 EncodedFrame(); | 69 EncodedFrame(); |
71 virtual ~EncodedFrame(); | 70 virtual ~EncodedFrame(); |
72 | 71 |
73 // Convenience accessors to data as an array of uint8 elements. | 72 // Convenience accessors to data as an array of uint8_t elements. |
74 const uint8* bytes() const { | 73 const uint8_t* bytes() const { |
75 return reinterpret_cast<uint8*>(string_as_array( | 74 return reinterpret_cast<uint8_t*>( |
76 const_cast<std::string*>(&data))); | 75 string_as_array(const_cast<std::string*>(&data))); |
77 } | 76 } |
78 uint8* mutable_bytes() { | 77 uint8_t* mutable_bytes() { |
79 return reinterpret_cast<uint8*>(string_as_array(&data)); | 78 return reinterpret_cast<uint8_t*>(string_as_array(&data)); |
80 } | 79 } |
81 | 80 |
82 // Copies all data members except |data| to |dest|. | 81 // Copies all data members except |data| to |dest|. |
83 // Does not modify |dest->data|. | 82 // Does not modify |dest->data|. |
84 void CopyMetadataTo(EncodedFrame* dest) const; | 83 void CopyMetadataTo(EncodedFrame* dest) const; |
85 | 84 |
86 // This frame's dependency relationship with respect to other frames. | 85 // This frame's dependency relationship with respect to other frames. |
87 Dependency dependency; | 86 Dependency dependency; |
88 | 87 |
89 // The label associated with this frame. Implies an ordering relative to | 88 // The label associated with this frame. Implies an ordering relative to |
90 // other frames in the same stream. | 89 // other frames in the same stream. |
91 uint32 frame_id; | 90 uint32_t frame_id; |
92 | 91 |
93 // The label associated with the frame upon which this frame depends. If | 92 // The label associated with the frame upon which this frame depends. If |
94 // this frame does not require any other frame in order to become decodable | 93 // this frame does not require any other frame in order to become decodable |
95 // (e.g., key frames), |referenced_frame_id| must equal |frame_id|. | 94 // (e.g., key frames), |referenced_frame_id| must equal |frame_id|. |
96 uint32 referenced_frame_id; | 95 uint32_t referenced_frame_id; |
97 | 96 |
98 // The stream timestamp, on the timeline of the signal data. For example, RTP | 97 // The stream timestamp, on the timeline of the signal data. For example, RTP |
99 // timestamps for audio are usually defined as the total number of audio | 98 // timestamps for audio are usually defined as the total number of audio |
100 // samples encoded in all prior frames. A playback system uses this value to | 99 // samples encoded in all prior frames. A playback system uses this value to |
101 // detect gaps in the stream, and otherwise stretch the signal to match | 100 // detect gaps in the stream, and otherwise stretch the signal to match |
102 // playout targets. | 101 // playout targets. |
103 uint32 rtp_timestamp; | 102 uint32_t rtp_timestamp; |
104 | 103 |
105 // The common reference clock timestamp for this frame. This value originates | 104 // The common reference clock timestamp for this frame. This value originates |
106 // from a sender and is used to provide lip synchronization between streams in | 105 // from a sender and is used to provide lip synchronization between streams in |
107 // a receiver. Thus, in the sender context, this is set to the time at which | 106 // a receiver. Thus, in the sender context, this is set to the time at which |
108 // the frame was captured/recorded. In the receiver context, this is set to | 107 // the frame was captured/recorded. In the receiver context, this is set to |
109 // the target playout time. Over a sequence of frames, this time value is | 108 // the target playout time. Over a sequence of frames, this time value is |
110 // expected to drift with respect to the elapsed time implied by the RTP | 109 // expected to drift with respect to the elapsed time implied by the RTP |
111 // timestamps; and it may not necessarily increment with precise regularity. | 110 // timestamps; and it may not necessarily increment with precise regularity. |
112 base::TimeTicks reference_time; | 111 base::TimeTicks reference_time; |
113 | 112 |
114 // Playout delay for this and all future frames. Used by the Adaptive | 113 // Playout delay for this and all future frames. Used by the Adaptive |
115 // Playout delay extension. Zero means no change. | 114 // Playout delay extension. Zero means no change. |
116 uint16 new_playout_delay_ms; | 115 uint16_t new_playout_delay_ms; |
117 | 116 |
118 // The encoded signal data. | 117 // The encoded signal data. |
119 std::string data; | 118 std::string data; |
120 }; | 119 }; |
121 | 120 |
122 typedef base::Callback<void(scoped_ptr<Packet> packet)> PacketReceiverCallback; | 121 typedef base::Callback<void(scoped_ptr<Packet> packet)> PacketReceiverCallback; |
123 typedef base::Callback<bool(scoped_ptr<Packet> packet)> | 122 typedef base::Callback<bool(scoped_ptr<Packet> packet)> |
124 PacketReceiverCallbackWithStatus; | 123 PacketReceiverCallbackWithStatus; |
125 | 124 |
126 class PacketSender { | 125 class PacketSender { |
127 public: | 126 public: |
128 // Send a packet to the network. Returns false if the network is blocked | 127 // Send a packet to the network. Returns false if the network is blocked |
129 // and we should wait for |cb| to be called. It is not allowed to called | 128 // and we should wait for |cb| to be called. It is not allowed to called |
130 // SendPacket again until |cb| has been called. Any other errors that | 129 // SendPacket again until |cb| has been called. Any other errors that |
131 // occur will be reported through side channels, in such cases, this function | 130 // occur will be reported through side channels, in such cases, this function |
132 // will return true indicating that the channel is not blocked. | 131 // will return true indicating that the channel is not blocked. |
133 virtual bool SendPacket(PacketRef packet, const base::Closure& cb) = 0; | 132 virtual bool SendPacket(PacketRef packet, const base::Closure& cb) = 0; |
134 | 133 |
135 // Returns the number of bytes ever sent. | 134 // Returns the number of bytes ever sent. |
136 virtual int64 GetBytesSent() = 0; | 135 virtual int64_t GetBytesSent() = 0; |
137 | 136 |
138 virtual ~PacketSender() {} | 137 virtual ~PacketSender() {} |
139 }; | 138 }; |
140 | 139 |
141 struct RtcpSenderInfo { | 140 struct RtcpSenderInfo { |
142 RtcpSenderInfo(); | 141 RtcpSenderInfo(); |
143 ~RtcpSenderInfo(); | 142 ~RtcpSenderInfo(); |
144 // First three members are used for lipsync. | 143 // First three members are used for lipsync. |
145 // First two members are used for rtt. | 144 // First two members are used for rtt. |
146 uint32 ntp_seconds; | 145 uint32_t ntp_seconds; |
147 uint32 ntp_fraction; | 146 uint32_t ntp_fraction; |
148 uint32 rtp_timestamp; | 147 uint32_t rtp_timestamp; |
149 uint32 send_packet_count; | 148 uint32_t send_packet_count; |
150 size_t send_octet_count; | 149 size_t send_octet_count; |
151 }; | 150 }; |
152 | 151 |
153 struct RtcpReportBlock { | 152 struct RtcpReportBlock { |
154 RtcpReportBlock(); | 153 RtcpReportBlock(); |
155 ~RtcpReportBlock(); | 154 ~RtcpReportBlock(); |
156 uint32 remote_ssrc; // SSRC of sender of this report. | 155 uint32_t remote_ssrc; // SSRC of sender of this report. |
157 uint32 media_ssrc; // SSRC of the RTP packet sender. | 156 uint32_t media_ssrc; // SSRC of the RTP packet sender. |
158 uint8 fraction_lost; | 157 uint8_t fraction_lost; |
159 uint32 cumulative_lost; // 24 bits valid. | 158 uint32_t cumulative_lost; // 24 bits valid. |
160 uint32 extended_high_sequence_number; | 159 uint32_t extended_high_sequence_number; |
161 uint32 jitter; | 160 uint32_t jitter; |
162 uint32 last_sr; | 161 uint32_t last_sr; |
163 uint32 delay_since_last_sr; | 162 uint32_t delay_since_last_sr; |
164 }; | 163 }; |
165 | 164 |
166 struct RtcpDlrrReportBlock { | 165 struct RtcpDlrrReportBlock { |
167 RtcpDlrrReportBlock(); | 166 RtcpDlrrReportBlock(); |
168 ~RtcpDlrrReportBlock(); | 167 ~RtcpDlrrReportBlock(); |
169 uint32 last_rr; | 168 uint32_t last_rr; |
170 uint32 delay_since_last_rr; | 169 uint32_t delay_since_last_rr; |
171 }; | 170 }; |
172 | 171 |
173 inline bool operator==(RtcpSenderInfo lhs, RtcpSenderInfo rhs) { | 172 inline bool operator==(RtcpSenderInfo lhs, RtcpSenderInfo rhs) { |
174 return lhs.ntp_seconds == rhs.ntp_seconds && | 173 return lhs.ntp_seconds == rhs.ntp_seconds && |
175 lhs.ntp_fraction == rhs.ntp_fraction && | 174 lhs.ntp_fraction == rhs.ntp_fraction && |
176 lhs.rtp_timestamp == rhs.rtp_timestamp && | 175 lhs.rtp_timestamp == rhs.rtp_timestamp && |
177 lhs.send_packet_count == rhs.send_packet_count && | 176 lhs.send_packet_count == rhs.send_packet_count && |
178 lhs.send_octet_count == rhs.send_octet_count; | 177 lhs.send_octet_count == rhs.send_octet_count; |
179 } | 178 } |
180 | 179 |
181 } // namespace cast | 180 } // namespace cast |
182 } // namespace media | 181 } // namespace media |
183 | 182 |
184 #endif // MEDIA_CAST_NET_CAST_TRANSPORT_CONFIG_H_ | 183 #endif // MEDIA_CAST_NET_CAST_TRANSPORT_CONFIG_H_ |
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