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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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426 return; // NOT VALID | 426 return; // NOT VALID |
427 | 427 |
428 RtcpCommonHeader header; | 428 RtcpCommonHeader header; |
429 if (_ptrRTCPDataEnd <= _ptrRTCPDataBegin) | 429 if (_ptrRTCPDataEnd <= _ptrRTCPDataBegin) |
430 return; // NOT VALID | 430 return; // NOT VALID |
431 | 431 |
432 if (!RtcpParseCommonHeader(_ptrRTCPDataBegin, | 432 if (!RtcpParseCommonHeader(_ptrRTCPDataBegin, |
433 _ptrRTCPDataEnd - _ptrRTCPDataBegin, &header)) | 433 _ptrRTCPDataEnd - _ptrRTCPDataBegin, &header)) |
434 return; // NOT VALID! | 434 return; // NOT VALID! |
435 | 435 |
436 // * if (!reducedSize) : first packet must be RR or SR. | 436 // * if (!reducedSize) : first packet must be RR or SR. |
437 // | 437 // |
438 // * The padding bit (P) should be zero for the first packet of a | 438 // * The padding bit (P) should be zero for the first packet of a |
439 // compound RTCP packet because padding should only be applied, | 439 // compound RTCP packet because padding should only be applied, |
440 // if it is needed, to the last packet. (NOT CHECKED!) | 440 // if it is needed, to the last packet. (NOT CHECKED!) |
441 // | 441 // |
442 // * The length fields of the individual RTCP packets must add up | 442 // * The length fields of the individual RTCP packets must add up |
443 // to the overall length of the compound RTCP packet as | 443 // to the overall length of the compound RTCP packet as |
444 // received. This is a fairly strong check. (NOT CHECKED!) | 444 // received. This is a fairly strong check. (NOT CHECKED!) |
445 | 445 |
446 if (!_RTCPReducedSizeEnable) | 446 if (!_RTCPReducedSizeEnable) { |
447 { | 447 if ((header.packet_type != PT_SR) && (header.packet_type != PT_RR)) |
448 if ((header.packet_type != PT_SR) && (header.packet_type != PT_RR)) { | 448 return; // NOT VALID |
449 return; // NOT VALID | 449 } |
450 } | |
451 } | |
452 | 450 |
453 _validPacket = true; | 451 _validPacket = true; |
454 } | 452 } |
455 | 453 |
456 bool | 454 bool |
457 RTCPUtility::RTCPParserV2::IsValid() const | 455 RTCPUtility::RTCPParserV2::IsValid() const |
458 { | 456 { |
459 return _validPacket; | 457 return _validPacket; |
460 } | 458 } |
461 | 459 |
462 void | 460 void |
463 RTCPUtility::RTCPParserV2::EndCurrentBlock() | 461 RTCPUtility::RTCPParserV2::EndCurrentBlock() |
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1745 const RTCPUtility::RtcpCommonHeader* | 1743 const RTCPUtility::RtcpCommonHeader* |
1746 RTCPUtility::RTCPPacketIterator::Current() { | 1744 RTCPUtility::RTCPPacketIterator::Current() { |
1747 if (!_ptrBlock) | 1745 if (!_ptrBlock) |
1748 { | 1746 { |
1749 return NULL; | 1747 return NULL; |
1750 } | 1748 } |
1751 | 1749 |
1752 return &_header; | 1750 return &_header; |
1753 } | 1751 } |
1754 } // namespace webrtc | 1752 } // namespace webrtc |
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