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Re: Seeking help: video capture failures and crashes

I too am setting up a valid GWorld before creating any video channels but finding that DV video capture blows up under OSX. Previewing works fine but as soon as you capture the application dies.

Where it crashes depends on which version of QTJava.zip I'm using. With 5.0.5 it seems to be while its decompressing the image, somewhere inside DVCodecDrawBand (though there's a whole bunch of threads and I'm not 100% certain that's the one that caused the access violation).

With QT 6.0.0d2 the crash is as follows:

Program received signal EXC_BAD_ACCESS, Could not access memory.
0x0131ede8 in getIntFromPointer ()
(gdb) where
#0 0x0131ede8 in getIntFromPointer ()
#1 0x2c102648 in ?? ()
#2 0x2c1005cc in ?? ()
#3 0x860d3800 in LoopEnter virtual table ()
#4 0x760e6ae8 in JVM_ReleaseUTF ()
#5 0x7610c424 in JVM_GetClassNameUTF ()
#6 0x76106060 in JVM_GetMethodIxExceptionsCount ()
#7 0x761e2eb8 in jio_vsnprintf ()
#8 0x0190413c in Java_com_apple_mrj_internal_jdirect_LibraryMacOSX_1bundle_findSymbol ()
#9 0x034a1314 in ?? ()
#10 0x74000a40 in InvokeSGDataUPP ()
#11 0x75a4f170 in _SGAddExtendedMovieData ()
#12 0x70249b0c in CallComponentFunctionCommon ()
#13 0x75a4f69c in _SGComponentDispatch ()
#14 0x7024d100 in CallComponent ()
#15 0x70255470 in CallComponentDispatch ()
#16 0x7401c2a4 in SGAddExtendedMovieData ()
#17 0x75a5868c in _SGVideoAddFrame ()
#18 0x70249a50 in CallComponentFunctionCommon ()
#19 0x75a58ba4 in _SGVideoComponentDispatch ()
#20 0x7024d100 in CallComponent ()
#21 0x70255470 in CallComponentDispatch ()
#22 0x7401c2e8 in SGAddFrame ()
#23 0x75a78660 in doCompressRecordIdle ()
#24 0x75a5a3c8 in _SGVideoIdle ()
#25 0x702498d8 in CallComponentFunctionCommon ()
#26 0x75a58ba4 in _SGVideoComponentDispatch ()
#27 0x7024d100 in CallComponent ()
#28 0x70255470 in CallComponentDispatch ()
#29 0x7401d584 in SGIdle ()
#30 0x75a93998 in idleOneChannel ()
#31 0x758cbea4 in DoForEachChannel ()
#32 0x75a50f2c in _SGIdle ()
#33 0x702498d8 in CallComponentFunctionCommon ()
#34 0x75a4f69c in _SGComponentDispatch ()
#35 0x7024d100 in CallComponent ()
#36 0x70255470 in CallComponentDispatch ()
#37 0x7401d584 in SGIdle ()
#38 0x2c274f2c in ?? ()
#39 0x2c274ce4 in ?? ()
#40 0x2c274844 in ?? ()
#41 0x2c27e45c in ?? ()
#42 0x2c10086c in ?? ()
#43 0x860d3800 in LoopEnter virtual table ()
#44 0x760e6ae8 in JVM_ReleaseUTF ()
#45 0x7610c424 in JVM_GetClassNameUTF ()
#46 0x7614ba80 in JVM_StartThread ()
#47 0x7615c990 in __builtin_new ()
#48 0x76156a1c in JVM_GC ()
#49 0x76154f28 in JVM_GC ()
#50 0x7615241c in JVM_FreeMemory ()
#51 0x76169d50 in JVM_FindPrimitiveClass ()
#52 0x7002054c in _pthread_body ()
--
Rolf Howarth, Square Box Systems Ltd, Stratford-upon-Avon UK.

References: 
 >Re: Seeking help: video capture failures and crashes (From: dean perry <email@hidden>)



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