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Out-of-bounds Memory Access (access Violation), VirtualDub Crash With Neat Video Plugin
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LouieChuckyMerry
Posted: Jan 29 2014, 02:56 AM


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Posts: 2
Member No.: 37675
Joined: 28-January 14



Hello and thanks in advance for any help. I'm trying to use VirtualDub 1.10.4-32bit with a Neat Video 3 plugin to clean up some grainy movie-length videos, but I'm encountering an out-of-bounds memory access (access violation) crash. Upon crashing the program is frozen so I'm unable to access the log, but I've a screen shot of a typical crash (although, embarrassingly, I can't figure out how to post it here). I've been able to use this build of VirtualDub with Neat Video 3 to clean up shorter video clips, but the limit seems to be about an hour; anything longer leads to a crash. My system is a Lenovo ThinkPad T430 with an Intel i7-3840QM quad-core processor running 64bit Windows Home Premium. I've used the exact same build of VirtualDub 1.10.4-32bit with a DeLogo1.3.2 plugin to successfully remove logos on multiple movie-length videos, but that was on my old Lenovo T430 with an Intel i5-3320M dual-core processor running 64bit Windows 7 Home Premium. While I'm capable of learning to us a program such as VirtualDub, I'm far from knowledgeable enough to understand why I'm experiencing this problem. Searching for a solution I found this thread (http://forum.videohelp.com/threads/348607-VirtualDub-Out-of-Bounds-Memory-Access-Violation-at-about-2GB-of-RAM) that seems very similar to my issue, but there wasn't any solution posted (at least that I understood). I'm presently without my old laptop, but as soon as I get it back I'll run a test with the video that crashes on my new laptop to see if it's a quad-core issue. Until then, any suggestions are welcome. Thanks again.

P.S.--My apologies if I posted this in the wrong place.
 
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dloneranger
Posted: Jan 29 2014, 05:51 AM


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Member No.: 22158
Joined: 26-September 07



Without the call stack of the crash log it'd be hard to say for sure, but normally (99%) it's the plugin crashing
Try updating your neat video plugin to 3.5, your account with them lets you upgrade .x number free of charge
(That's assuming it doesn't crash without the plugin being used)


-
To add pictures, you have to put them on a web site (there are many free ones like eg imageshack) and post the link here

--------------------
MultiAdjust JoinWav WavNormalize FFMPeg Input Plugin v1827 UnSharpMask
Windows7/8 Codec Chooser
All FccHandlers Stuff inc. Installers for acm codecs AAC, AC3, LameMp3
 
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LouieChuckyMerry
Posted: Jan 30 2014, 03:54 AM


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Posts: 2
Member No.: 37675
Joined: 28-January 14



dloneranger: thanks for your reply. I was finally able to use my old laptop for a test but the exact same build of VirtualDub crashes at just about the same one-hour mark as my new laptop (also a freeze-crash leaving no log entry) so it doesn't seem to be the processor. Your information about the Neat Video plugin seems reasonable, I'll attack forthwith. Happy Other New Year, thanks again.
 
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dloneranger
Posted: Jan 30 2014, 06:14 AM


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Group: Moderators
Posts: 2366
Member No.: 22158
Joined: 26-September 07



If it does crash without the plugin, it could be a codec problem at that certain point
(Maybe there is garbage in the file just there that the codec can't handle)

The normal way to try and work around that is to try a different input plugin and see if it handles the error better
http://forums.virtualdub.org/index.php?act...=ST&f=7&t=19488
There are filetype specific ones and two that handle many formats (DirectShow and FFMpeg)

If they all crash at that point, the only other option is to just cut that part out

As it's a laptop, this probably won't be a useful suggestion but I'll mention it for completeness
With some problem files I'll just convert them to an avi with ffmpeg using a lossless video codec and pcm audio
But for lossless large fast hard drives are your friend and laptops usually have the exact opposite of what you want
Anyhow, here's a small .bat file I use to do that
You'd have to have FFMpeg, and change the path to ffmpeg's exe and the destdir to where you want it to save the file
CODE
@echo off
set ffmpeg="C:\Program Files (x86)\Common Files\FFMpeg\ffmpeg.exe" -probesize 2147000000 -analyzeduration 2147000000

:loop
if "%~1".=="". goto theend

rem change destdir to whereever you want the file saved
set destdir=p:\

set src=%~1
set destfnameext=%~n1.avi
set dest=%destdir%%destfnameext%
if /i "%src%"=="%dest%" echo error dest=source & pause & goto theend
echo saving %destfnameext% to %destdir%
%ffmpeg% -i "%src%" -vcodec huffyuv -acodec pcm_s16le "%dest%"
echo.
shift
goto loop

:theend
pause


--------------------
MultiAdjust JoinWav WavNormalize FFMPeg Input Plugin v1827 UnSharpMask
Windows7/8 Codec Chooser
All FccHandlers Stuff inc. Installers for acm codecs AAC, AC3, LameMp3
 
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