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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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39 class RtcEventLog; | 39 class RtcEventLog; |
40 | 40 |
41 class RTPSenderInterface { | 41 class RTPSenderInterface { |
42 public: | 42 public: |
43 RTPSenderInterface() {} | 43 RTPSenderInterface() {} |
44 virtual ~RTPSenderInterface() {} | 44 virtual ~RTPSenderInterface() {} |
45 | 45 |
46 virtual uint32_t SSRC() const = 0; | 46 virtual uint32_t SSRC() const = 0; |
47 virtual uint32_t Timestamp() const = 0; | 47 virtual uint32_t Timestamp() const = 0; |
48 | 48 |
| 49 // Deprecated version of BuildRtpHeader(). |inc_sequence_number| is ignored. |
| 50 // TODO(sergeyu): Remove this method. |
49 virtual int32_t BuildRTPheader(uint8_t* data_buffer, | 51 virtual int32_t BuildRTPheader(uint8_t* data_buffer, |
50 int8_t payload_type, | 52 int8_t payload_type, |
51 bool marker_bit, | 53 bool marker_bit, |
52 uint32_t capture_timestamp, | 54 uint32_t capture_timestamp, |
53 int64_t capture_time_ms, | 55 int64_t capture_time_ms, |
54 bool timestamp_provided = true, | 56 bool timestamp_provided = true, |
55 bool inc_sequence_number = true) = 0; | 57 bool inc_sequence_number = true) = 0; |
56 | 58 |
| 59 virtual int32_t BuildRtpHeader(uint8_t* data_buffer, |
| 60 int8_t payload_type, |
| 61 bool marker_bit, |
| 62 uint32_t capture_timestamp, |
| 63 int64_t capture_time_ms) = 0; |
| 64 |
57 // This returns the expected header length taking into consideration | 65 // This returns the expected header length taking into consideration |
58 // the optional RTP header extensions that may not be currently active. | 66 // the optional RTP header extensions that may not be currently active. |
59 virtual size_t RtpHeaderLength() const = 0; | 67 virtual size_t RtpHeaderLength() const = 0; |
60 // Returns the next sequence number to use for a packet and allocates | 68 // Returns the next sequence number to use for a packet and allocates |
61 // 'packets_to_send' number of sequence numbers. It's important all allocated | 69 // 'packets_to_send' number of sequence numbers. It's important all allocated |
62 // sequence numbers are used in sequence to avoid perceived packet loss. | 70 // sequence numbers are used in sequence to avoid perceived packet loss. |
63 virtual uint16_t AllocateSequenceNumber(uint16_t packets_to_send) = 0; | 71 virtual uint16_t AllocateSequenceNumber(uint16_t packets_to_send) = 0; |
64 virtual uint16_t SequenceNumber() const = 0; | 72 virtual uint16_t SequenceNumber() const = 0; |
65 virtual size_t MaxPayloadLength() const = 0; | 73 virtual size_t MaxPayloadLength() const = 0; |
66 virtual size_t MaxDataPayloadLength() const = 0; | 74 virtual size_t MaxDataPayloadLength() const = 0; |
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146 | 154 |
147 void SetMaxPayloadLength(size_t max_payload_length); | 155 void SetMaxPayloadLength(size_t max_payload_length); |
148 | 156 |
149 int32_t SendOutgoingData(FrameType frame_type, | 157 int32_t SendOutgoingData(FrameType frame_type, |
150 int8_t payload_type, | 158 int8_t payload_type, |
151 uint32_t timestamp, | 159 uint32_t timestamp, |
152 int64_t capture_time_ms, | 160 int64_t capture_time_ms, |
153 const uint8_t* payload_data, | 161 const uint8_t* payload_data, |
154 size_t payload_size, | 162 size_t payload_size, |
155 const RTPFragmentationHeader* fragmentation, | 163 const RTPFragmentationHeader* fragmentation, |
156 const RTPVideoHeader* rtp_hdr = NULL); | 164 const RTPVideoHeader* rtp_header); |
157 | 165 |
158 // RTP header extension | 166 // RTP header extension |
159 int32_t SetTransmissionTimeOffset(int32_t transmission_time_offset); | 167 int32_t SetTransmissionTimeOffset(int32_t transmission_time_offset); |
160 int32_t SetAbsoluteSendTime(uint32_t absolute_send_time); | 168 int32_t SetAbsoluteSendTime(uint32_t absolute_send_time); |
161 void SetVideoRotation(VideoRotation rotation); | 169 void SetVideoRotation(VideoRotation rotation); |
162 int32_t SetTransportSequenceNumber(uint16_t sequence_number); | 170 int32_t SetTransportSequenceNumber(uint16_t sequence_number); |
163 | 171 |
164 int32_t RegisterRtpHeaderExtension(RTPExtensionType type, uint8_t id); | 172 int32_t RegisterRtpHeaderExtension(RTPExtensionType type, uint8_t id); |
165 bool IsRtpHeaderExtensionRegistered(RTPExtensionType type) override; | 173 bool IsRtpHeaderExtensionRegistered(RTPExtensionType type) override; |
166 int32_t DeregisterRtpHeaderExtension(RTPExtensionType type); | 174 int32_t DeregisterRtpHeaderExtension(RTPExtensionType type); |
167 | 175 |
168 size_t RtpHeaderExtensionLength() const; | 176 size_t RtpHeaderExtensionLength() const; |
169 | 177 |
170 uint16_t BuildRTPHeaderExtension(uint8_t* data_buffer, bool marker_bit) const; | 178 uint16_t BuildRtpHeaderExtension(uint8_t* data_buffer, bool marker_bit) const; |
171 | 179 |
172 uint8_t BuildTransmissionTimeOffsetExtension(uint8_t *data_buffer) const; | 180 uint8_t BuildTransmissionTimeOffsetExtension(uint8_t *data_buffer) const; |
173 uint8_t BuildAudioLevelExtension(uint8_t* data_buffer) const; | 181 uint8_t BuildAudioLevelExtension(uint8_t* data_buffer) const; |
174 uint8_t BuildAbsoluteSendTimeExtension(uint8_t* data_buffer) const; | 182 uint8_t BuildAbsoluteSendTimeExtension(uint8_t* data_buffer) const; |
175 uint8_t BuildVideoRotationExtension(uint8_t* data_buffer) const; | 183 uint8_t BuildVideoRotationExtension(uint8_t* data_buffer) const; |
176 uint8_t BuildTransportSequenceNumberExtension(uint8_t* data_buffer, | 184 uint8_t BuildTransportSequenceNumberExtension(uint8_t* data_buffer, |
177 uint16_t sequence_number) const; | 185 uint16_t sequence_number) const; |
178 uint8_t BuildPlayoutDelayExtension(uint8_t* data_buffer, | 186 uint8_t BuildPlayoutDelayExtension(uint8_t* data_buffer, |
179 uint16_t min_playout_delay_ms, | 187 uint16_t min_playout_delay_ms, |
180 uint16_t max_playout_delay_ms) const; | 188 uint16_t max_playout_delay_ms) const; |
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240 void SetRtxSsrc(uint32_t ssrc); | 248 void SetRtxSsrc(uint32_t ssrc); |
241 | 249 |
242 void SetRtxPayloadType(int payload_type, int associated_payload_type); | 250 void SetRtxPayloadType(int payload_type, int associated_payload_type); |
243 | 251 |
244 // Functions wrapping RTPSenderInterface. | 252 // Functions wrapping RTPSenderInterface. |
245 int32_t BuildRTPheader(uint8_t* data_buffer, | 253 int32_t BuildRTPheader(uint8_t* data_buffer, |
246 int8_t payload_type, | 254 int8_t payload_type, |
247 bool marker_bit, | 255 bool marker_bit, |
248 uint32_t capture_timestamp, | 256 uint32_t capture_timestamp, |
249 int64_t capture_time_ms, | 257 int64_t capture_time_ms, |
250 const bool timestamp_provided = true, | 258 bool timestamp_provided = true, |
251 const bool inc_sequence_number = true) override; | 259 bool inc_sequence_number = true) override; |
| 260 int32_t BuildRtpHeader(uint8_t* data_buffer, |
| 261 int8_t payload_type, |
| 262 bool marker_bit, |
| 263 uint32_t capture_timestamp, |
| 264 int64_t capture_time_ms) override; |
252 | 265 |
253 size_t RtpHeaderLength() const override; | 266 size_t RtpHeaderLength() const override; |
254 uint16_t AllocateSequenceNumber(uint16_t packets_to_send) override; | 267 uint16_t AllocateSequenceNumber(uint16_t packets_to_send) override; |
255 size_t MaxPayloadLength() const override; | 268 size_t MaxPayloadLength() const override; |
256 | 269 |
257 // Current timestamp. | 270 // Current timestamp. |
258 uint32_t Timestamp() const override; | 271 uint32_t Timestamp() const override; |
259 uint32_t SSRC() const override; | 272 uint32_t SSRC() const override; |
260 | 273 |
261 int32_t SendToNetwork(uint8_t* data_buffer, | 274 int32_t SendToNetwork(uint8_t* data_buffer, |
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297 uint8_t* payload_type_red, | 310 uint8_t* payload_type_red, |
298 uint8_t* payload_type_fec) const; | 311 uint8_t* payload_type_fec) const; |
299 | 312 |
300 int32_t SetFecParameters(const FecProtectionParams *delta_params, | 313 int32_t SetFecParameters(const FecProtectionParams *delta_params, |
301 const FecProtectionParams *key_params); | 314 const FecProtectionParams *key_params); |
302 | 315 |
303 size_t SendPadData(size_t bytes, | 316 size_t SendPadData(size_t bytes, |
304 bool timestamp_provided, | 317 bool timestamp_provided, |
305 uint32_t timestamp, | 318 uint32_t timestamp, |
306 int64_t capture_time_ms); | 319 int64_t capture_time_ms); |
307 | |
308 size_t SendPadData(size_t bytes, | 320 size_t SendPadData(size_t bytes, |
309 bool timestamp_provided, | 321 bool timestamp_provided, |
310 uint32_t timestamp, | 322 uint32_t timestamp, |
311 int64_t capture_time_ms, | 323 int64_t capture_time_ms, |
312 int probe_cluster_id); | 324 int probe_cluster_id); |
313 | 325 |
314 // Called on update of RTP statistics. | 326 // Called on update of RTP statistics. |
315 void RegisterRtpStatisticsCallback(StreamDataCountersCallback* callback); | 327 void RegisterRtpStatisticsCallback(StreamDataCountersCallback* callback); |
316 StreamDataCountersCallback* GetRtpStatisticsCallback() const; | 328 StreamDataCountersCallback* GetRtpStatisticsCallback() const; |
317 | 329 |
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522 // that the target bitrate is still valid. | 534 // that the target bitrate is still valid. |
523 rtc::CriticalSection target_bitrate_critsect_; | 535 rtc::CriticalSection target_bitrate_critsect_; |
524 uint32_t target_bitrate_ GUARDED_BY(target_bitrate_critsect_); | 536 uint32_t target_bitrate_ GUARDED_BY(target_bitrate_critsect_); |
525 | 537 |
526 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(RTPSender); | 538 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(RTPSender); |
527 }; | 539 }; |
528 | 540 |
529 } // namespace webrtc | 541 } // namespace webrtc |
530 | 542 |
531 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_SENDER_H_ | 543 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_SENDER_H_ |
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