Dosbox captured videos, virtualdub, and Vista 64 Bits :) \ VOGONS

Dosbox captured videos, virtualdub, and Vista 64 Bits :)

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First post, by papazark

Posted on 2008-12-13, 23:40

papazark Offline

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Hello

I saw old thread talking about this, but without any real answers (unless I'm mistaken)

To sum up, I want to edit videos captured in dosbox with virtualdub
My OS is a nice Vista 64 bits ( and I'm happy with it 😀 )
I'm using a plain Dosbox 0.72 for that.

I am able to generate an avi file, and play it flawlessly. (using VLC, WMP, Zoomplayer)
But when I want to open it in virtualdub, the software complains.

As a workaround, I tried it on XP using VirtualPC.
Just by registering the ZMBV codec, virtualdub on xp was able to open the file.

So, the question is:
Was anyone able to open a video captured by DosBox in Virtualdub on a Vista 64 bits ? 😀

Reply 1 of 7, by wd

Posted on 2008-12-15, 10:38

wd Offline

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in Virtualdub on a Vista 64 bits

Which virtualdub?

Reply 2 of 7, by papazark

Posted on 2008-12-15, 12:29

papazark Offline

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That was the 32bits version of virtualdub (1.8.6 build 30009).

Reply 3 of 7, by wd

Posted on 2008-12-15, 20:38

wd Offline

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Works fine here, vista64, plain dosbox installation, codec installed without anything fancy,
virtualdub/latest stable release 32bit, opening some dosbox recording, works.

Reply 4 of 7, by papazark

Posted on 2008-12-15, 23:56

papazark Offline

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Thanks a lot, I found the problem.

Since my config seemed wrong somewhere, I used ProcMon to monitor what Virtualdub was looking for.

And indeed it wasn't finding some registry key related to the zmbv codec.
It seems the installation of the codec went wrong in a certain way, and some key values were inserted in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32 instead of HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32

I manually added them and made sure the dll itself could be found by virtualdub et voila, virtualdub is happy

Now why did that happen, I don't know.
Maybe it's related to the fact Dosbox was installed in the 'Program Files' instead of 'Program Files (x86)'

Reply 5 of 7, by wd

Posted on 2008-12-16, 07:18

wd Offline

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No, the Microsoft\Windows NT\ comes from our side, maybe we can find
out why/when Wow6432Node is supposed to be used.

Reply 6 of 7, by lone lee

Posted on 2009-01-27, 05:45

lone lee Offline

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I seem to have the same problem when using VirtuaDub but I wouldn't know how to correct a registry entry.

Edit: umm actually I attempted to repeat papazark's idea by adding that missing "zmbv.dll" entry to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32, but it didn't change anything. VirtuaDub complain it can't find a decompressor for ZMBV. Any ideas?

I'm using Vista Home Premium 64bit, VirtualDub 1.8.8, already installed ZMBV from the DOSBox program folder (although VLC plays the videos fine installing it or not).

Reply 7 of 7, by DosFreak

Posted on 2009-01-27, 11:28

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VLC has it's own internal codecs.

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