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  1. Member
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    Oct 2008
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    I've downloaded virtualdub for the first time. I am new to it. It does not support MP4 file. I've tried a couple of video convertors, however, they all ''explode' to a very big file.

    My MP4 is only around 7MB, after converting using those software the size explodes to 3.3GB


    Anything I can do to make virtualdub support MP4 or any converter that will not give super big video files
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  2. DECEASED
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    QuickTime input plugin for VirtualDub: http://gral.y0.pl/~fcchandler/index.html

    after converting using those software the size explodes to 3.3GB
    In VirtualDub, goto the "Video" menu, then choose a type of "Compression".
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  3. Member
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    what 's this addon?? used to support more video formats??
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  4. I misread the question. Was thinking you want to read mp4.
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  5. Member
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    Originally Posted by shekh View Post
    I misread the question. Was thinking you want to read mp4.

    so any help?? any addon ? My videos are mostly (if not all) in formats MP4
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  6. You have to use VirtualDub's external encoder option, buried under Options. First you create an encoder configuration, then you need to create an "encoder set' that includes the encoder configuration, The encoder set can consist of a video encoder, audio encoder and muxer etc. When it's configured, instead of File/Save As you use "File/Export/External Encoder". VirtualDub normally use video for windows (vfw) encoders/decoders which is somewhat limited by today's standards. You'd install one (often Xvid) and configure it using VirtualDub's Video/Compression menu. The external encoder feature allows VirtualDub to use standard command line encoders instead. It's a pain to set it up but once it's working it does work.

    Google "virtualdub external encoder configuration" and hopefully you'll find some instructions. Or post back here if you don't and someone should be able to help you set it up.

    MP4 is not a compressor. It's a container in which various types of video and audio can be stored. The most commonly used video encoder at the moment is the x264 encoder. I prefer to use an MKV container myself as there's utilities such as MKVToolnix that make working with MKVs fairly easy.

    This is what my VirtualDub x264 configuration looks like.... to get you started. When you open the VirtualDub encoder configuration it'll hopefully make sense. For the Program setting you'd change the path to wherever you put x264.exe after downloading it. For the command line section everything prior to "--demuxer raw" are optional x264 settings. Everything from "-demuxer raw" onwards is required for VirtualDub to communicate with the encoder correctly. Especially the dash right at the end.

    Type: Video Encoder
    Program: C:\Program Files\VirtualDub\encoders\x264.exe
    Command Arguments: --level 4.1 --preset slow --tune film --crf 18.0 --stitchable --vbv-bufsize 50000 --vbv-maxrate 50000 --demuxer raw --input-csp i420 --input-res %(width)x%(height) --fps %(fpsnum)/%(fpsden) -o "%(tempvideofile)" -
    Output File Name: %(outputname).mkv

    That's just the video. I don't know what your audio preference is. I tend to keep the original audio myself, rather than re-encode it.

    For decoding MP4s or other format's using VirtualDub in order to re-encode them: https://sourceforge.net/projects/virtualdubffmpeginputplugin/

    Mind you after having typed all that.... if you just want to re-encode for a smaller file size and you're not editing, try Vidcoder or Handbrake. They both use the x264 encoder and can output MKV or MP4. They'll be easier to use than VirtualDub and there's no extra setting up required. They're self-contained.
    Last edited by hello_hello; 9th Aug 2016 at 00:21.
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