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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.
*
*/
#ifndef WEBRTC_TEST_RTCP_PACKET_PARSER_H_
#define WEBRTC_TEST_RTCP_PACKET_PARSER_H_
#include <map>
#include <string>
#include <vector>
#include "webrtc/base/buffer.h"
#include "webrtc/base/checks.h"
#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/common_header.h"
#include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
#include "webrtc/typedefs.h"
namespace webrtc {
namespace test {
// Parse RTCP packet of given type. Assumes RTCP header is valid and that there
// is excatly one packet of correct type in the buffer.
template <typename Packet>
bool ParseSinglePacket(const uint8_t* buffer, size_t size, Packet* packet) {
rtcp::CommonHeader header;
RTC_CHECK(header.Parse(buffer, size));
RTC_CHECK_EQ(static_cast<ptrdiff_t>(size), header.NextPacket() - buffer);
return packet->Parse(header);
}
// Same function, but takes raw buffer as single argument instead of pair.
template <size_t N, typename Packet>
bool ParseSinglePacket(const uint8_t(&buffer)[N], Packet* packet) {
return ParseSinglePacket(buffer, N, packet);
}
template <typename Packet>
bool ParseSinglePacket(const rtc::Buffer& buffer, Packet* packet) {
return ParseSinglePacket(buffer.data(), buffer.size(), packet);
}
class RtcpPacketParser;
class PacketType {
public:
virtual ~PacketType() {}
int num_packets() const { return num_packets_; }
protected:
PacketType() : num_packets_(0) {}
int num_packets_;
};
class SenderReport : public PacketType {
public:
SenderReport() {}
virtual ~SenderReport() {}
uint32_t Ssrc() const { return sr_.SenderSSRC; }
uint32_t NtpSec() const { return sr_.NTPMostSignificant; }
uint32_t NtpFrac() const { return sr_.NTPLeastSignificant; }
uint32_t RtpTimestamp() const { return sr_.RTPTimestamp; }
uint32_t PacketCount() const { return sr_.SenderPacketCount; }
uint32_t OctetCount() const { return sr_.SenderOctetCount; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketSR& sr) {
sr_ = sr;
++num_packets_;
}
RTCPUtility::RTCPPacketSR sr_;
};
class ReceiverReport : public PacketType {
public:
ReceiverReport() {}
virtual ~ReceiverReport() {}
uint32_t Ssrc() const { return rr_.SenderSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketRR& rr) {
rr_ = rr;
++num_packets_;
}
RTCPUtility::RTCPPacketRR rr_;
};
class ReportBlock : public PacketType {
public:
ReportBlock() {}
virtual ~ReportBlock() {}
uint32_t Ssrc() const { return rb_.SSRC; }
uint8_t FractionLost() const { return rb_.FractionLost; }
uint32_t CumPacketLost() const { return rb_.CumulativeNumOfPacketsLost; }
uint32_t ExtHighestSeqNum() const { return rb_.ExtendedHighestSequenceNumber;}
uint32_t Jitter() const { return rb_.Jitter; }
uint32_t LastSr() const { return rb_.LastSR; }
uint32_t DelayLastSr()const { return rb_.DelayLastSR; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketReportBlockItem& rb) {
rb_ = rb;
++num_packets_;
}
RTCPUtility::RTCPPacketReportBlockItem rb_;
};
class Ij : public PacketType {
public:
Ij() {}
virtual ~Ij() {}
private:
friend class RtcpPacketParser;
void Set() { ++num_packets_; }
};
class IjItem : public PacketType {
public:
IjItem() {}
virtual ~IjItem() {}
uint32_t Jitter() const { return ij_item_.Jitter; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketExtendedJitterReportItem& ij_item) {
ij_item_ = ij_item;
++num_packets_;
}
RTCPUtility::RTCPPacketExtendedJitterReportItem ij_item_;
};
class Sdes : public PacketType {
public:
Sdes() {}
virtual ~Sdes() {}
private:
friend class RtcpPacketParser;
void Set() { ++num_packets_; }
};
class SdesChunk : public PacketType {
public:
SdesChunk() {}
virtual ~SdesChunk() {}
uint32_t Ssrc() const { return cname_.SenderSSRC; }
std::string Cname() const { return cname_.CName; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketSDESCName& cname) {
cname_ = cname;
++num_packets_;
}
RTCPUtility::RTCPPacketSDESCName cname_;
};
class Bye : public PacketType {
public:
Bye() {}
virtual ~Bye() {}
uint32_t Ssrc() const { return bye_.SenderSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketBYE& bye) {
bye_ = bye;
++num_packets_;
}
RTCPUtility::RTCPPacketBYE bye_;
};
class Rpsi : public PacketType {
public:
Rpsi() {}
virtual ~Rpsi() {}
uint32_t Ssrc() const { return rpsi_.SenderSSRC; }
uint32_t MediaSsrc() const { return rpsi_.MediaSSRC; }
uint8_t PayloadType() const { return rpsi_.PayloadType; }
uint16_t NumberOfValidBits() const { return rpsi_.NumberOfValidBits; }
uint64_t PictureId() const;
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketPSFBRPSI& rpsi) {
rpsi_ = rpsi;
++num_packets_;
}
RTCPUtility::RTCPPacketPSFBRPSI rpsi_;
};
class App : public PacketType {
public:
App() {}
virtual ~App() {}
uint8_t SubType() const { return app_.SubType; }
uint32_t Name() const { return app_.Name; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketAPP& app) {
app_ = app;
++num_packets_;
}
RTCPUtility::RTCPPacketAPP app_;
};
class AppItem : public PacketType {
public:
AppItem() {}
virtual ~AppItem() {}
uint8_t* Data() { return app_item_.Data; }
uint16_t DataLength() const { return app_item_.Size; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketAPP& app) {
app_item_ = app;
++num_packets_;
}
RTCPUtility::RTCPPacketAPP app_item_;
};
class Pli : public PacketType {
public:
Pli() {}
virtual ~Pli() {}
uint32_t Ssrc() const { return pli_.SenderSSRC; }
uint32_t MediaSsrc() const { return pli_.MediaSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketPSFBPLI& pli) {
pli_ = pli;
++num_packets_;
}
RTCPUtility::RTCPPacketPSFBPLI pli_;
};
class Sli : public PacketType {
public:
Sli() {}
virtual ~Sli() {}
uint32_t Ssrc() const { return sli_.SenderSSRC; }
uint32_t MediaSsrc() const { return sli_.MediaSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketPSFBSLI& sli) {
sli_ = sli;
++num_packets_;
}
RTCPUtility::RTCPPacketPSFBSLI sli_;
};
class SliItem : public PacketType {
public:
SliItem() {}
virtual ~SliItem() {}
uint16_t FirstMb() const { return sli_item_.FirstMB; }
uint16_t NumberOfMb() const { return sli_item_.NumberOfMB; }
uint8_t PictureId() const { return sli_item_.PictureId; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketPSFBSLIItem& sli_item) {
sli_item_ = sli_item;
++num_packets_;
}
RTCPUtility::RTCPPacketPSFBSLIItem sli_item_;
};
class Fir : public PacketType {
public:
Fir() {}
virtual ~Fir() {}
uint32_t Ssrc() const { return fir_.SenderSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketPSFBFIR& fir) {
fir_ = fir;
++num_packets_;
}
RTCPUtility::RTCPPacketPSFBFIR fir_;
};
class FirItem : public PacketType {
public:
FirItem() {}
virtual ~FirItem() {}
uint32_t Ssrc() const { return fir_item_.SSRC; }
uint8_t SeqNum() const { return fir_item_.CommandSequenceNumber; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketPSFBFIRItem& fir_item) {
fir_item_ = fir_item;
++num_packets_;
}
RTCPUtility::RTCPPacketPSFBFIRItem fir_item_;
};
class Nack : public PacketType {
public:
Nack() {}
virtual ~Nack() {}
uint32_t Ssrc() const { return nack_.SenderSSRC; }
uint32_t MediaSsrc() const { return nack_.MediaSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketRTPFBNACK& nack) {
nack_ = nack;
++num_packets_;
}
RTCPUtility::RTCPPacketRTPFBNACK nack_;
};
class NackItem : public PacketType {
public:
NackItem() {}
virtual ~NackItem() {}
std::vector<uint16_t> last_nack_list() const {
return last_nack_list_;
}
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketRTPFBNACKItem& nack_item) {
last_nack_list_.push_back(nack_item.PacketID);
for (int i = 0; i < 16; ++i) {
if (nack_item.BitMask & (1 << i)) {
last_nack_list_.push_back(nack_item.PacketID + i + 1);
}
}
++num_packets_;
}
void Clear() { last_nack_list_.clear(); }
std::vector<uint16_t> last_nack_list_;
};
class PsfbApp : public PacketType {
public:
PsfbApp() {}
virtual ~PsfbApp() {}
uint32_t Ssrc() const { return psfb_app_.SenderSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketPSFBAPP& psfb_app) {
psfb_app_ = psfb_app;
++num_packets_;
}
RTCPUtility::RTCPPacketPSFBAPP psfb_app_;
};
class RembItem : public PacketType {
public:
RembItem() : last_bitrate_bps_(0) {}
virtual ~RembItem() {}
int last_bitrate_bps() const { return last_bitrate_bps_; }
std::vector<uint32_t> last_ssrc_list() {
return last_ssrc_list_;
}
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketPSFBREMBItem& remb_item) {
last_bitrate_bps_ = remb_item.BitRate;
last_ssrc_list_.clear();
last_ssrc_list_.insert(
last_ssrc_list_.end(),
remb_item.SSRCs,
remb_item.SSRCs + remb_item.NumberOfSSRCs);
++num_packets_;
}
uint32_t last_bitrate_bps_;
std::vector<uint32_t> last_ssrc_list_;
};
class Tmmbr : public PacketType {
public:
Tmmbr() {}
virtual ~Tmmbr() {}
uint32_t Ssrc() const { return tmmbr_.SenderSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketRTPFBTMMBR& tmmbr) {
tmmbr_ = tmmbr;
++num_packets_;
}
RTCPUtility::RTCPPacketRTPFBTMMBR tmmbr_;
};
class TmmbrItem : public PacketType {
public:
TmmbrItem() {}
virtual ~TmmbrItem() {}
uint32_t Ssrc() const { return tmmbr_item_.SSRC; }
uint32_t BitrateKbps() const { return tmmbr_item_.MaxTotalMediaBitRate; }
uint32_t Overhead() const { return tmmbr_item_.MeasuredOverhead; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketRTPFBTMMBRItem& tmmbr_item) {
tmmbr_item_ = tmmbr_item;
++num_packets_;
}
RTCPUtility::RTCPPacketRTPFBTMMBRItem tmmbr_item_;
};
class Tmmbn : public PacketType {
public:
Tmmbn() {}
virtual ~Tmmbn() {}
uint32_t Ssrc() const { return tmmbn_.SenderSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketRTPFBTMMBN& tmmbn) {
tmmbn_ = tmmbn;
++num_packets_;
}
RTCPUtility::RTCPPacketRTPFBTMMBN tmmbn_;
};
class TmmbnItems : public PacketType {
public:
TmmbnItems() {}
virtual ~TmmbnItems() {}
uint32_t Ssrc(uint8_t num) const {
assert(num < tmmbns_.size());
return tmmbns_[num].SSRC;
}
uint32_t BitrateKbps(uint8_t num) const {
assert(num < tmmbns_.size());
return tmmbns_[num].MaxTotalMediaBitRate;
}
uint32_t Overhead(uint8_t num) const {
assert(num < tmmbns_.size());
return tmmbns_[num].MeasuredOverhead;
}
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketRTPFBTMMBNItem& tmmbn_item) {
tmmbns_.push_back(tmmbn_item);
++num_packets_;
}
void Clear() { tmmbns_.clear(); }
std::vector<RTCPUtility::RTCPPacketRTPFBTMMBNItem> tmmbns_;
};
class XrHeader : public PacketType {
public:
XrHeader() {}
virtual ~XrHeader() {}
uint32_t Ssrc() const { return xr_header_.OriginatorSSRC; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketXR& xr_header) {
xr_header_ = xr_header;
++num_packets_;
}
RTCPUtility::RTCPPacketXR xr_header_;
};
class Rrtr : public PacketType {
public:
Rrtr() {}
virtual ~Rrtr() {}
uint32_t NtpSec() const { return rrtr_.NTPMostSignificant; }
uint32_t NtpFrac() const { return rrtr_.NTPLeastSignificant; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketXRReceiverReferenceTimeItem& rrtr) {
rrtr_ = rrtr;
++num_packets_;
}
RTCPUtility::RTCPPacketXRReceiverReferenceTimeItem rrtr_;
};
class Dlrr : public PacketType {
public:
Dlrr() {}
virtual ~Dlrr() {}
private:
friend class RtcpPacketParser;
void Set() { ++num_packets_; }
};
class DlrrItems : public PacketType {
public:
DlrrItems() {}
virtual ~DlrrItems() {}
uint32_t Ssrc(uint8_t num) const {
assert(num < dlrrs_.size());
return dlrrs_[num].SSRC;
}
uint32_t LastRr(uint8_t num) const {
assert(num < dlrrs_.size());
return dlrrs_[num].LastRR;
}
uint32_t DelayLastRr(uint8_t num) const {
assert(num < dlrrs_.size());
return dlrrs_[num].DelayLastRR;
}
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketXRDLRRReportBlockItem& dlrr) {
dlrrs_.push_back(dlrr);
++num_packets_;
}
void Clear() { dlrrs_.clear(); }
std::vector<RTCPUtility::RTCPPacketXRDLRRReportBlockItem> dlrrs_;
};
class VoipMetric : public PacketType {
public:
VoipMetric() {}
virtual ~VoipMetric() {}
uint32_t Ssrc() const { return voip_metric_.SSRC; }
uint8_t LossRate() { return voip_metric_.lossRate; }
uint8_t DiscardRate() { return voip_metric_.discardRate; }
uint8_t BurstDensity() { return voip_metric_.burstDensity; }
uint8_t GapDensity() { return voip_metric_.gapDensity; }
uint16_t BurstDuration() { return voip_metric_.burstDuration; }
uint16_t GapDuration() { return voip_metric_.gapDuration; }
uint16_t RoundTripDelay() { return voip_metric_.roundTripDelay; }
uint16_t EndSystemDelay() { return voip_metric_.endSystemDelay; }
uint8_t SignalLevel() { return voip_metric_.signalLevel; }
uint8_t NoiseLevel() { return voip_metric_.noiseLevel; }
uint8_t Rerl() { return voip_metric_.RERL; }
uint8_t Gmin() { return voip_metric_.Gmin; }
uint8_t Rfactor() { return voip_metric_.Rfactor; }
uint8_t ExtRfactor() { return voip_metric_.extRfactor; }
uint8_t MosLq() { return voip_metric_.MOSLQ; }
uint8_t MosCq() { return voip_metric_.MOSCQ; }
uint8_t RxConfig() { return voip_metric_.RXconfig; }
uint16_t JbNominal() { return voip_metric_.JBnominal; }
uint16_t JbMax() { return voip_metric_.JBmax; }
uint16_t JbAbsMax() { return voip_metric_.JBabsMax; }
private:
friend class RtcpPacketParser;
void Set(const RTCPUtility::RTCPPacketXRVOIPMetricItem& voip_metric) {
voip_metric_ = voip_metric;
++num_packets_;
}
RTCPUtility::RTCPPacketXRVOIPMetricItem voip_metric_;
};
class RtcpPacketParser {
public:
RtcpPacketParser();
~RtcpPacketParser();
void Parse(const void *packet, size_t packet_len);
SenderReport* sender_report() { return &sender_report_; }
ReceiverReport* receiver_report() { return &receiver_report_; }
ReportBlock* report_block() { return &report_block_; }
Sdes* sdes() { return &sdes_; }
SdesChunk* sdes_chunk() { return &sdes_chunk_; }
Bye* bye() { return &bye_; }
App* app() { return &app_; }
AppItem* app_item() { return &app_item_; }
Ij* ij() { return &ij_; }
IjItem* ij_item() { return &ij_item_; }
Pli* pli() { return &pli_; }
Sli* sli() { return &sli_; }
SliItem* sli_item() { return &sli_item_; }
Rpsi* rpsi() { return &rpsi_; }
Fir* fir() { return &fir_; }
FirItem* fir_item() { return &fir_item_; }
Nack* nack() { return &nack_; }
NackItem* nack_item() { return &nack_item_; }
PsfbApp* psfb_app() { return &psfb_app_; }
RembItem* remb_item() { return &remb_item_; }
Tmmbr* tmmbr() { return &tmmbr_; }
TmmbrItem* tmmbr_item() { return &tmmbr_item_; }
Tmmbn* tmmbn() { return &tmmbn_; }
TmmbnItems* tmmbn_items() { return &tmmbn_items_; }
XrHeader* xr_header() { return &xr_header_; }
Rrtr* rrtr() { return &rrtr_; }
Dlrr* dlrr() { return &dlrr_; }
DlrrItems* dlrr_items() { return &dlrr_items_; }
VoipMetric* voip_metric() { return &voip_metric_; }
int report_blocks_per_ssrc(uint32_t ssrc) {
return report_blocks_per_ssrc_[ssrc];
}
private:
SenderReport sender_report_;
ReceiverReport receiver_report_;
ReportBlock report_block_;
Sdes sdes_;
SdesChunk sdes_chunk_;
Bye bye_;
App app_;
AppItem app_item_;
Ij ij_;
IjItem ij_item_;
Pli pli_;
Sli sli_;
SliItem sli_item_;
Rpsi rpsi_;
Fir fir_;
FirItem fir_item_;
Nack nack_;
NackItem nack_item_;
PsfbApp psfb_app_;
RembItem remb_item_;
Tmmbr tmmbr_;
TmmbrItem tmmbr_item_;
Tmmbn tmmbn_;
TmmbnItems tmmbn_items_;
XrHeader xr_header_;
Rrtr rrtr_;
Dlrr dlrr_;
DlrrItems dlrr_items_;
VoipMetric voip_metric_;
std::map<uint32_t, int> report_blocks_per_ssrc_;
};
} // namespace test
} // namespace webrtc
#endif // WEBRTC_TEST_RTCP_PACKET_PARSER_H_