FMP4 codec with virtualdub

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Hi everyone I have a problem with my VirtualDub software. I have an .AVI video which I’ve worked on a couple of weeks ago, but I need to work on it again with the VirtualDub. The thing is when I tried to open the video with the software a message appears telling me “Could’n locate decompressor for format FMP4 (unknown. VirtualDub requires a VFW compatible codec to decompress video. Directshow codecs are not suitable”. Does anyone kow where can I find such codec, and how would that work, like what do I need to do, once found the codec, so that my video can be read. Thank you thank you ! I appreciate any knid of help or hint possible... reply



FMP4 is FFMpeg MPEG-4. ffdshow-tryouts has a decoder for it.
http://sourceforge.net/projects/ffdshow-tryout
During install make sure to check the boxes 'VFW Interface' and 'VirtualDub' under 'Application plugins'.
If you already have other codecs, and you don’t need ffdshow to decode anything except FMP4 in VirtualDub, uncheck everything at the two steps where it lets you choose what codecs ffdshow should decode.
When you’re done, go to your start menu, (all) programs, ffdshow, VFW configuration. Select the decoder tab, and click on Codecs on the upper left. Click on “Other MPEG4” on the right, and in the middle column make sure it’s NOT disabled (libavcodec is my recommended choice, but I guess xvid should work fine too). Then click apply and your FMP4 video should be openable in VirtualDub.

Important append: if you’re using the 32-bit version of VirtualDub (regardless of whether you’re on 32-bit or 64-bit Windows), you need the 32-bit version of ffdshow-tryouts (the default download is 32-bit). If you’re using the 64-bit version of VirtualDub, you need the 64-bit version of ffdshow-tryouts (see here). reply

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24 people found this useful

anonymous' instructions worked for me. I had the same error before, now I can open/edit fmp4 files in VirtualDub. I got a VBR warning (non standard with AVI), but the video itself is fine. Thanks! reply

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If you have a VBR audio warning, it’s probably best to work with NanDub. It’s identical to VirtualDub except it handles VBR audio.
NanDub: http://sourceforge.net/projects/ndub reply

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It worked for me, as well. Thanks. reply

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worked great, thanks! reply

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play the FMP4 with VLC media player. download at http://www.videolan.org/vlc/download-windows.html.

=] reply

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It solved my problem too. Thanks “anonymous” ;) reply

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I appreciate your help so much. Thank you
It solved my problem as well. reply

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It works for me too, but with libavcodec not with xvid.
Thanks for this “old” topic. reply

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anonymous wrote:
FMP4 is FFMpeg MPEG-4. ffdshow-tryouts has a decoder for it.
http://sourceforge.net/projects/ffdshow-tryout
During install make sure to check the boxes 'VFW Interface' and 'VirtualDub' under 'Application plugins'.
If you already have other codecs, and you don’t need ffdshow to decode anything except FMP4 in VirtualDub, uncheck everything at the two steps where it lets you choose what codecs ffdshow should decode.
When you’re done, go to your start menu (all programs on XP), ffdshow, VFW configuration. Select the decoder tab, and click on Codecs on the upper left. Click on “Other MPEG4” on the right, and in the middle column make sure it’s NOT disabled (libavcodec is my recommended choice, but I guess xvid should work fine too). Then click apply and your FMP4 video should be openable in VirtualDub.

Thanks anon, it worked! reply

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It worked great. Thanks alot. reply

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This works ! Thanks reply

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Anonymous' post worked perfectly. Thanks for the insight... I’m new to this video world, and that helped quite a bit. Thanks! reply

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Worked great! Now all that I have to do is learn how to upload HD videos to YouTube.......any tips?

Thanks for the guidance. It was a BIG help! reply

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thanks anonymous! reply

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great thx for the help reply

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solved problem Thank you very very much reply

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Thank you very much!!! reply

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thanks very much to anonymous. now virtual dub is working perfectly. reply

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