| /* |
| * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "webrtc/test/rtcp_packet_parser.h" |
| |
| namespace webrtc { |
| namespace test { |
| |
| RtcpPacketParser::RtcpPacketParser() {} |
| |
| RtcpPacketParser::~RtcpPacketParser() {} |
| |
| void RtcpPacketParser::Parse(const void *data, int len) { |
| const uint8_t* packet = static_cast<const uint8_t*>(data); |
| RTCPUtility::RTCPParserV2 parser(packet, len, true); |
| for (RTCPUtility::RTCPPacketTypes type = parser.Begin(); |
| type != RTCPUtility::kRtcpNotValidCode; |
| type = parser.Iterate()) { |
| switch (type) { |
| case RTCPUtility::kRtcpSrCode: |
| sender_report_.Set(parser.Packet().SR); |
| break; |
| case RTCPUtility::kRtcpRrCode: |
| receiver_report_.Set(parser.Packet().RR); |
| break; |
| case RTCPUtility::kRtcpByeCode: |
| bye_.Set(parser.Packet().BYE); |
| break; |
| case RTCPUtility::kRtcpReportBlockItemCode: |
| report_block_.Set(parser.Packet().ReportBlockItem); |
| ++report_blocks_per_ssrc_[parser.Packet().ReportBlockItem.SSRC]; |
| break; |
| case RTCPUtility::kRtcpPsfbRpsiCode: |
| rpsi_.Set(parser.Packet().RPSI); |
| break; |
| case RTCPUtility::kRtcpPsfbFirCode: |
| fir_.Set(parser.Packet().FIR); |
| break; |
| case RTCPUtility::kRtcpPsfbFirItemCode: |
| fir_item_.Set(parser.Packet().FIRItem); |
| break; |
| case RTCPUtility::kRtcpRtpfbNackCode: |
| nack_.Set(parser.Packet().NACK); |
| nack_item_.Clear(); |
| break; |
| case RTCPUtility::kRtcpRtpfbNackItemCode: |
| nack_item_.Set(parser.Packet().NACKItem); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| uint64_t Rpsi::PictureId() const { |
| assert(num_packets_ > 0); |
| uint16_t num_bytes = rpsi_.NumberOfValidBits / 8; |
| assert(num_bytes > 0); |
| uint64_t picture_id = 0; |
| for (uint16_t i = 0; i < num_bytes - 1; ++i) { |
| picture_id += (rpsi_.NativeBitString[i] & 0x7f); |
| picture_id <<= 7; |
| } |
| picture_id += (rpsi_.NativeBitString[num_bytes - 1] & 0x7f); |
| return picture_id; |
| } |
| |
| } // namespace test |
| } // namespace webrtc |