#0  tn::DirectShowMediaType::clear (type=...) at helpers\directshowmediatype.cpp:212
#1  0x38d43301 in tn::DirectShowMediaType::copy (target=0x312e82c0, source=0x38b02b78)
    at helpers\directshowmediatype.cpp:135
#2  0x38d43a0c in tn::DirectShowMediaTypeEnum::Next(unsigned long, _AMMediaType**, unsigned long*)@16 (
    this=0x38b036a0, cMediaTypes=100, ppMediaTypes=0x4515f970, pcFetched=0x4515f96c)
    at helpers\directshowmediatypeenum.cpp:75
#3  0x683334cd in ?? () from C:\Windows\SysWOW64\quartz.dll
#4  0x6833227a in ?? () from C:\Windows\SysWOW64\quartz.dll
#5  0x683321fa in ?? () from C:\Windows\SysWOW64\quartz.dll
#6  0x683918b0 in QUARTZ!AMGetErrorTextW () from C:\Windows\SysWOW64\quartz.dll
#7  0x6838ad61 in QUARTZ!AMGetErrorTextW () from C:\Windows\SysWOW64\quartz.dll
#8  0x38d4c546 in tn::DirectShowPlayerService::doRender (this=this@entry=0x2cf4e760, locker=locker@entry=0x4515ff1c)
    at player\directshowplayerservice.cpp:469
#9  0x38d4d9c5 in tn::DirectShowPlayerService::run (this=0x2cf4e760) at player\directshowplayerservice.cpp:1422
#10 0x38d6af6b in tn::DirectShowPlayerServiceThread::run (this=<optimized out>)
    at player\directshowplayerservice.cpp:107
#11 0x69d1edf3 in tn::QThreadPrivate::start(void*)@4 (arg=0x2cf41150) at thread\qthread_win.cpp:378
#12 0x77a762c4 in KERNEL32!BaseThreadInitThunk () from C:\WINDOWS\System32\kernel32.dll
#13 0x77db0fd9 in ntdll!RtlSubscribeWnfStateChangeNotification () from C:\WINDOWS\SYSTEM32\ntdll.dll
#14 0x77db0fa4 in ntdll!RtlSubscribeWnfStateChangeNotification () from C:\WINDOWS\SYSTEM32\ntdll.dll