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| 1 /* | 1 /* |
| 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 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 */ |
| 11 | 11 |
| 12 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_H_ | 12 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_H_ |
| 13 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_H_ | 13 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_H_ |
| 14 | 14 |
| 15 #include <map> | |
| 16 #include <string> | 15 #include <string> |
| 17 #include <vector> | 16 #include <vector> |
| 18 | 17 |
| 19 #include "webrtc/base/scoped_ptr.h" | 18 #include "webrtc/base/scoped_ptr.h" |
| 20 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" | 19 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" |
| 21 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/dlrr.h" | |
| 22 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/report_block.h" | 20 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/report_block.h" |
| 23 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/rrtr.h" | |
| 24 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/voip_metric.h" | |
| 25 #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h" | 21 #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h" |
| 26 #include "webrtc/typedefs.h" | 22 #include "webrtc/typedefs.h" |
| 27 | 23 |
| 28 namespace webrtc { | 24 namespace webrtc { |
| 29 namespace rtcp { | 25 namespace rtcp { |
| 30 | 26 |
| 31 static const int kCommonFbFmtLength = 12; | 27 static const int kCommonFbFmtLength = 12; |
| 32 static const int kReportBlockLength = 24; | 28 static const int kReportBlockLength = 24; |
| 33 | 29 |
| 34 class RawPacket; | 30 class RawPacket; |
| (...skipping 264 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 299 size_t fci_length = 2 + (rpsi_.NumberOfValidBits / 8) + padding_bytes_; | 295 size_t fci_length = 2 + (rpsi_.NumberOfValidBits / 8) + padding_bytes_; |
| 300 return kCommonFbFmtLength + fci_length; | 296 return kCommonFbFmtLength + fci_length; |
| 301 } | 297 } |
| 302 | 298 |
| 303 uint8_t padding_bytes_; | 299 uint8_t padding_bytes_; |
| 304 RTCPUtility::RTCPPacketPSFBRPSI rpsi_; | 300 RTCPUtility::RTCPPacketPSFBRPSI rpsi_; |
| 305 | 301 |
| 306 RTC_DISALLOW_COPY_AND_ASSIGN(Rpsi); | 302 RTC_DISALLOW_COPY_AND_ASSIGN(Rpsi); |
| 307 }; | 303 }; |
| 308 | 304 |
| 309 // From RFC 3611: RTP Control Protocol Extended Reports (RTCP XR). | |
| 310 // | |
| 311 // Format for XR packets: | |
| 312 // | |
| 313 // 0 1 2 3 | |
| 314 // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
| 315 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 316 // |V=2|P|reserved | PT=XR=207 | length | | |
| 317 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 318 // | SSRC | | |
| 319 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 320 // : report blocks : | |
| 321 // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 322 | |
| 323 class Xr : public RtcpPacket { | |
| 324 public: | |
| 325 typedef std::vector<RTCPUtility::RTCPPacketXRDLRRReportBlockItem> DlrrBlock; | |
| 326 Xr() : RtcpPacket() { | |
| 327 memset(&xr_header_, 0, sizeof(xr_header_)); | |
| 328 } | |
| 329 | |
| 330 virtual ~Xr() {} | |
| 331 | |
| 332 void From(uint32_t ssrc) { | |
| 333 xr_header_.OriginatorSSRC = ssrc; | |
| 334 } | |
| 335 | |
| 336 // Max 50 items of each of {Rrtr, Dlrr, VoipMetric} allowed per Xr. | |
| 337 bool WithRrtr(Rrtr* rrtr); | |
| 338 bool WithDlrr(Dlrr* dlrr); | |
| 339 bool WithVoipMetric(VoipMetric* voip_metric); | |
| 340 | |
| 341 protected: | |
| 342 bool Create(uint8_t* packet, | |
| 343 size_t* index, | |
| 344 size_t max_length, | |
| 345 RtcpPacket::PacketReadyCallback* callback) const override; | |
| 346 | |
| 347 private: | |
| 348 static const int kMaxNumberOfRrtrBlocks = 50; | |
| 349 static const int kMaxNumberOfDlrrBlocks = 50; | |
| 350 static const int kMaxNumberOfVoipMetricBlocks = 50; | |
| 351 | |
| 352 size_t BlockLength() const { | |
| 353 const size_t kXrHeaderLength = 8; | |
| 354 return kXrHeaderLength + RrtrLength() + DlrrLength() + VoipMetricLength(); | |
| 355 } | |
| 356 | |
| 357 size_t RrtrLength() const { return Rrtr::kLength * rrtr_blocks_.size(); } | |
| 358 | |
| 359 size_t DlrrLength() const; | |
| 360 | |
| 361 size_t VoipMetricLength() const { | |
| 362 return VoipMetric::kLength * voip_metric_blocks_.size(); | |
| 363 } | |
| 364 | |
| 365 RTCPUtility::RTCPPacketXR xr_header_; | |
| 366 std::vector<Rrtr> rrtr_blocks_; | |
| 367 std::vector<Dlrr> dlrr_blocks_; | |
| 368 std::vector<VoipMetric> voip_metric_blocks_; | |
| 369 | |
| 370 RTC_DISALLOW_COPY_AND_ASSIGN(Xr); | |
| 371 }; | |
| 372 | |
| 373 // Class holding a RTCP packet. | 305 // Class holding a RTCP packet. |
| 374 // | 306 // |
| 375 // Takes a built rtcp packet. | 307 // Takes a built rtcp packet. |
| 376 // RawPacket raw_packet(buffer, length); | 308 // RawPacket raw_packet(buffer, length); |
| 377 // | 309 // |
| 378 // To access the raw packet: | 310 // To access the raw packet: |
| 379 // raw_packet.Buffer(); - pointer to the raw packet | 311 // raw_packet.Buffer(); - pointer to the raw packet |
| 380 // raw_packet.BufferLength(); - the length of the raw packet | 312 // raw_packet.BufferLength(); - the length of the raw packet |
| 381 | 313 |
| 382 class RawPacket { | 314 class RawPacket { |
| 383 public: | 315 public: |
| 384 explicit RawPacket(size_t buffer_length); | 316 explicit RawPacket(size_t buffer_length); |
| 385 RawPacket(const uint8_t* packet, size_t packet_length); | 317 RawPacket(const uint8_t* packet, size_t packet_length); |
| 386 | 318 |
| 387 const uint8_t* Buffer() const; | 319 const uint8_t* Buffer() const; |
| 388 uint8_t* MutableBuffer(); | 320 uint8_t* MutableBuffer(); |
| 389 size_t BufferLength() const; | 321 size_t BufferLength() const; |
| 390 size_t Length() const; | 322 size_t Length() const; |
| 391 void SetLength(size_t length); | 323 void SetLength(size_t length); |
| 392 | 324 |
| 393 private: | 325 private: |
| 394 const size_t buffer_length_; | 326 const size_t buffer_length_; |
| 395 size_t length_; | 327 size_t length_; |
| 396 rtc::scoped_ptr<uint8_t[]> buffer_; | 328 rtc::scoped_ptr<uint8_t[]> buffer_; |
| 397 }; | 329 }; |
| 398 | 330 |
| 399 } // namespace rtcp | 331 } // namespace rtcp |
| 400 } // namespace webrtc | 332 } // namespace webrtc |
| 401 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_H_ | 333 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_H_ |
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