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- statistics improved + allow to use virtual microphone AND/OR speaker + minor cleanups

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This commit is contained in:
Dmytro Bogovych
2026-05-18 10:46:21 +03:00
parent 7cb3b4334f
commit 97c4c3aef0
12 changed files with 381 additions and 308 deletions
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src/engine/media/MT_Statistics.cpp
+39 -4
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@@ -2,6 +2,7 @@
#include <cctype>
#include <cstring>
#include <iostream>
#include <sstream>
#include "MT_Statistics.h"
#define LOG_SUBSYSTEM "media"
@@ -203,7 +204,7 @@ void Statistics::calculateBurstr(double* burstr, double* lossr) const
*lossr = 0;
}
double Statistics::calculateMos(double maximalMos) const
double Statistics::calculateMos() const
{
// Network MOS via the simplified ITU-T G.107 E-Model:
//
@@ -211,7 +212,7 @@ double Statistics::calculateMos(double maximalMos) const
// Id = 0.024*d + 0.11*max(0, d - 177.3)
// Ie_eff = Ie + (95 - Ie) * Ppl / (Ppl + Bpl) (BurstR=1)
// R = 93.2 - Id - Ie_eff (clamped to [0,100])
// MOS = 1 + 0.035*R + 7e-6*R*(R-60)*(100-R) (clamped to [1, maximalMos])
// MOS = 1 + 0.035*R + 7e-6*R*(R-60)*(100-R) (clamped >= 1)
//
// Ie/Bpl are looked up from a per-codec table; safe defaults are used
// when the codec is unknown.
@@ -253,8 +254,7 @@ double Statistics::calculateMos(double maximalMos) const
else
mos = 1.0 + 0.035 * R + 7e-6 * R * (R - 60.0) * (100.0 - R);
if (mos < 1.0) mos = 1.0;
if (mos > maximalMos) mos = maximalMos;
if (mos < 1.0) mos = 1.0;
return mos;
}
@@ -306,6 +306,17 @@ Statistics& Statistics::operator += (const Statistics& src)
mRemotePeer = src.mRemotePeer;
mSsrc = src.mSsrc;
for (const auto& [addr, counts]: src.mPerDestination)
{
auto& dst = mPerDestination[addr];
dst.mSentRtp += counts.mSentRtp;
dst.mSentRtcp += counts.mSentRtcp;
dst.mSentBytes += counts.mSentBytes;
dst.mReceivedRtp += counts.mReceivedRtp;
dst.mReceivedRtcp += counts.mReceivedRtcp;
dst.mReceivedBytes += counts.mReceivedBytes;
}
return *this;
}
@@ -330,6 +341,19 @@ Statistics& Statistics::operator -= (const Statistics& src)
mCodecCount[codecStat.first] -= codecStat.second;
}
for (const auto& [addr, counts]: src.mPerDestination)
{
auto it = mPerDestination.find(addr);
if (it == mPerDestination.end())
continue;
it->second.mSentRtp -= counts.mSentRtp;
it->second.mSentRtcp -= counts.mSentRtcp;
it->second.mSentBytes -= counts.mSentBytes;
it->second.mReceivedRtp -= counts.mReceivedRtp;
it->second.mReceivedRtcp -= counts.mReceivedRtcp;
it->second.mReceivedBytes -= counts.mReceivedBytes;
}
return *this;
}
@@ -345,5 +369,16 @@ std::string Statistics::toString() const
<< ", decode requested: " << mDecodeRequested.average()
<< ", packet interval: " << mPacketInterval.average();
for (const auto& [addr, counts]: mPerDestination)
{
oss << "; peer " << addr.toBriefStdString()
<< " sent rtp=" << counts.mSentRtp
<< "/rtcp=" << counts.mSentRtcp
<< "/bytes=" << counts.mSentBytes
<< ", received rtp=" << counts.mReceivedRtp
<< "/rtcp=" << counts.mReceivedRtcp
<< "/bytes=" << counts.mReceivedBytes;
}
return oss.str();
}