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/*
* 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::kRtcpReportBlockItemCode:
report_block_.Set(parser.Packet().ReportBlockItem);
++report_blocks_per_ssrc_[parser.Packet().ReportBlockItem.SSRC];
break;
case RTCPUtility::kRtcpSdesCode:
sdes_.Set();
break;
case RTCPUtility::kRtcpSdesChunkCode:
sdes_chunk_.Set(parser.Packet().CName);
break;
case RTCPUtility::kRtcpByeCode:
bye_.Set(parser.Packet().BYE);
break;
case RTCPUtility::kRtcpAppCode:
app_.Set(parser.Packet().APP);
break;
case RTCPUtility::kRtcpAppItemCode:
app_item_.Set(parser.Packet().APP);
break;
case RTCPUtility::kRtcpExtendedIjCode:
ij_.Set();
break;
case RTCPUtility::kRtcpExtendedIjItemCode:
ij_item_.Set(parser.Packet().ExtendedJitterReportItem);
break;
case RTCPUtility::kRtcpPsfbPliCode:
pli_.Set(parser.Packet().PLI);
break;
case RTCPUtility::kRtcpPsfbSliCode:
sli_.Set(parser.Packet().SLI);
break;
case RTCPUtility::kRtcpPsfbSliItemCode:
sli_item_.Set(parser.Packet().SLIItem);
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
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