Commit text

Lock access to m_tsAvListeners in mpegstreamdata.cpp

Use the m_listenerLock for all usage of m_tsAvListeners
in mpegstreamdata.cpp. This lock was used in some places
but not everywhere.
This has caused segfaults in mythbackend, observed when
testing recent IPTV bug fixes.

mythtv/libs/libmythtv/mpeg/mpegstreamdata.cpp

@@ -1048,6 +1048,8 @@ bool MPEGStreamData::ProcessTSPacket(const TSPacket& tspacket)
 
     if (IsVideoPID(tspacket.PID()))
     {
+        QMutexLocker locker(&m_listenerLock);
+
         for (auto & listener : m_tsAvListeners)
             listener->ProcessVideoTSPacket(tspacket);
 
@@ -1056,6 +1058,8 @@ bool MPEGStreamData::ProcessTSPacket(const TSPacket& tspacket)
 
     if (IsAudioPID(tspacket.PID()))
     {
+        QMutexLocker locker(&m_listenerLock);
+
         for (auto & listener : m_tsAvListeners)
             listener->ProcessAudioTSPacket(tspacket);