[mythtv-commits] Re: Ticket #438: DVB multiple PMT sections per TSPacket fix

MythTV mythtv at cvs.mythtv.org
Sun Oct 9 18:32:10 UTC 2005

#438: DVB multiple PMT sections per TSPacket fix
 Reporter:  redmundt at gmail.com  |        Owner:  danielk 
     Type:  patch               |       Status:  assigned
 Priority:  minor               |    Milestone:  0.19    
Component:  mythtv              |      Version:  head    
 Severity:  medium              |   Resolution:          
Changes (by danielk):

  * status:  new => assigned


 This patch causes a SEGFAULT for me:
 Program received signal SIGSEGV, Segmentation fault.
 [Switching to Thread -1362867280 (LWP 9834)]
 0xb7b57232 in MasterGuideTable::TablePID (this=0x811b730, i=0) at
 108             return ((_ptrs[i][2]<<8) | (_ptrs[i][3])) & 0x1fff;
 (gdb) bt
 #0  0xb7b57232 in MasterGuideTable::TablePID (this=0x811b730, i=0) at
 #1  0xb7b54dea in DTVSignalMonitor::SetMGT (this=0x810ae68, mgt=0x811b730)
     at dtvsignalmonitor.cpp:263
 #2  0xb7cf61c7 in DTVSignalMonitor::qt_invoke (this=0x810ae68, _id=5,
     at moc_dtvsignalmonitor.cpp:121
 #3  0xb7d04ce7 in DVBSignalMonitor::qt_invoke (this=0x810ae68, _id=5,
     at moc_dvbsignalmonitor.cpp:143
 #4  0x43977c91 in QObject::activate_signal (this=0x811de38,
 clist=0x811b1d8, o=0xaec44150)
     at qconnection.h:56
 #5  0xb7cfee3e in ATSCStreamData::UpdateMGT (this=0x811de38, t0=0x811b730)
     at moc_atscstreamdata.cpp:196
 #6  0xb7bd911e in ATSCStreamData::HandleTables (this=0x811de38, pid=8187,
     at atscstreamdata.cpp:148
 #7  0xb7bd1aae in MPEGStreamData::HandleTSTables (this=0x811de38,
     at mpegstreamdata.cpp:466
 #8  0xb7bd1c41 in MPEGStreamData::ProcessTSPacket (this=0x811de38,
     at mpegstreamdata.cpp:505
 #9  0xb7bd1b7e in MPEGStreamData::ProcessData (this=0x811de38,
     buffer=0xae193008 "G_\035", len=188) at mpegstreamdata.cpp:490
 #10 0xb7c7f0e3 in DVBSignalMonitor::RunTableMonitor (this=0x810ae68)
     at dvbsignalmonitor.cpp:298
 #11 0xb7c7d369 in DVBSignalMonitor::TableMonitorThread (param=0x810ae68)
     at dvbsignalmonitor.cpp:144
 #12 0x419b3aba in start_thread (arg=0xaec44bb0) at pthread_create.c:261
 #13 0x418141ee in clone () from /lib/tls/libc.so.6

 Also use ANSI C bracing, not K&R in any new code.
 Don't go over 80 columns,
 "if" is a keyword not a function,
 & please document any new methods you add.

Ticket URL: <http://svn.mythtv.org/trac/ticket/438>
MythTV <http://www.mythtv.org/>

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