store voice chat silence periods

demboyz/game/logic.cpp

@@ -66,6 +66,11 @@ void Logic::Finish(bool dirty)
     data["voice"]["total_time"] = voiceTotalTime;
     data["voice"]["active_time"] = voiceActiveTime;
 
+    for(const auto& o : context->voiceWriter->m_silence)
+    {
+        data["voice"]["silence"] += json({o.first, o.second});
+    }
+
     std::string out = data.dump(2, ' ', false, json::error_handler_t::replace);
     out.append("\n");
     fwrite(out.c_str(), out.size(), 1, context->outputFp);

demboyz/game/sourcecontext.cpp

@@ -64,8 +64,8 @@ void SourceGameContext::Start()
 
 void SourceGameContext::Finish(bool dirty)
 {
-    logic->Finish(dirty);
     voiceWriter->Finish();
+    logic->Finish(dirty);
 }
 
 void SourceGameContext::StartCommandPacket(const CommandPacket& packet)

demboyz/io/voicewriter/voicedatawriter.cpp

@@ -149,6 +149,12 @@ void VoiceDataWriter::Start()
 
 void VoiceDataWriter::Finish()
 {
+    if(m_isSilenced)
+    {
+        m_isSilenced = false;
+        m_silence.back().second = m_curTick;
+    }
+
     for(auto& state : m_playerVoiceStates)
     {
         state.second.celt_decoder.Destroy();
@@ -180,7 +186,19 @@ void VoiceDataWriter::EndCommandPacket(const PacketTrailingBits& trailingBits)
 
     // Skip silence if noone talks for at least 3 seconds
     if((m_curTick - m_lastVoiceTick) / context->fTickRate > 3.0)
+    {
+        if(!m_isSilenced)
+        {
+            m_isSilenced = true;
+            m_silence.emplace_back(std::make_pair(m_curTick, 0));
+        }
         m_silenceTicks += (m_curTick - m_lastTick);
+    }
+    else if(m_isSilenced)
+    {
+        m_isSilenced = false;
+        m_silence.back().second = m_curTick;
+    }
 
     for(auto& state : m_playerVoiceStates)
     {

demboyz/io/voicewriter/voicedatawriter.h

@@ -92,4 +92,8 @@ private:
 
     static const int sQuality = 3;
     eCodec m_Codec = CODEC_NONE;
+
+public:
+    bool m_isSilenced = false;
+    std::vector<std::pair<int32_t, int32_t>> m_silence;
 };