a826006132
Fixes bug found when parsing received RPSI packet. BUG=2450 R=mflodman@webrtc.org, stefan@webrtc.org Review URL: https://webrtc-codereview.appspot.com/17419004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6194 4adac7df-926f-26a2-2b94-8c16560cd09d
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/test/rtcp_packet_parser.h"
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namespace webrtc {
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namespace test {
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RtcpPacketParser::RtcpPacketParser() {}
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RtcpPacketParser::~RtcpPacketParser() {}
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void RtcpPacketParser::Parse(const void *data, int len) {
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const uint8_t* packet = static_cast<const uint8_t*>(data);
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RTCPUtility::RTCPParserV2 parser(packet, len, true);
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for (RTCPUtility::RTCPPacketTypes type = parser.Begin();
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type != RTCPUtility::kRtcpNotValidCode;
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type = parser.Iterate()) {
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switch (type) {
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case RTCPUtility::kRtcpSrCode:
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sender_report_.Set(parser.Packet().SR);
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break;
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case RTCPUtility::kRtcpRrCode:
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receiver_report_.Set(parser.Packet().RR);
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break;
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case RTCPUtility::kRtcpByeCode:
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bye_.Set(parser.Packet().BYE);
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break;
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case RTCPUtility::kRtcpReportBlockItemCode:
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report_block_.Set(parser.Packet().ReportBlockItem);
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++report_blocks_per_ssrc_[parser.Packet().ReportBlockItem.SSRC];
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break;
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case RTCPUtility::kRtcpPsfbRpsiCode:
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rpsi_.Set(parser.Packet().RPSI);
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break;
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case RTCPUtility::kRtcpPsfbFirCode:
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fir_.Set(parser.Packet().FIR);
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break;
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case RTCPUtility::kRtcpPsfbFirItemCode:
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fir_item_.Set(parser.Packet().FIRItem);
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break;
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case RTCPUtility::kRtcpRtpfbNackCode:
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nack_.Set(parser.Packet().NACK);
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nack_item_.Clear();
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break;
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case RTCPUtility::kRtcpRtpfbNackItemCode:
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nack_item_.Set(parser.Packet().NACKItem);
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break;
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default:
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break;
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}
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}
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}
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uint64_t Rpsi::PictureId() const {
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assert(num_packets_ > 0);
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uint16_t num_bytes = rpsi_.NumberOfValidBits / 8;
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assert(num_bytes > 0);
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uint64_t picture_id = 0;
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for (uint16_t i = 0; i < num_bytes - 1; ++i) {
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picture_id += (rpsi_.NativeBitString[i] & 0x7f);
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picture_id <<= 7;
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}
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picture_id += (rpsi_.NativeBitString[num_bytes - 1] & 0x7f);
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return picture_id;
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}
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} // namespace test
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} // namespace webrtc
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