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  1. #1

    Blender crashes when FFmpeg output container is AVI

    Using version 2.79 on Windows 10, whenever Blender uses ffmpeg with an avi-file as output (be it rendering an animation or creating proxies in the VSE), it immediately crashes.

    I'm rendering to a Matroska file right now as a workaround, but I don't think I can choose the container type for proxies, can I?

    Either way, Blender shouldn't crash, so something must be wrong.
    I'm quite sure it did work a couple of weeks ago, and I don't think I installed another program or anything since then, except for the Windows updates. Any idea what could be wrong?

    Thanks in advance!



  2. #2
    Member JA12's Avatar
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    Apr 2012
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    https://developer.blender.org/T52692

    A developer suspects installed codec pack interfere with the ffmpeg codes that come with Blender
    New to BA.org and have a support question? Here's how to do that more effectively.



  3. #3
    yes, I read that, but I didn't install any codecs between the beginning of December (when it did work) and now.

    I checked "Programs and Features" in my control panel, and apparently I did install one thing after the last time it worked, besides updates. I'll try uninstalling that, although I don't see how Universe Sandbox could interfere with FFMpeg.

    Oh, also, probably a known bug, haven't checked, but after that matroska-render I remember why I used AVI instead of MKV: Blender makes MKV-files of 1000fps instead of the set framerate.



  4. #4
    Uninstalling Universe Sandbox, as expected, did not help.
    I also tried uninstalling Blender and reinstalling an older version (2.78c), which also crashed.

    Let's try a simple reboot!



  5. #5
    rebooting wasn't necessary, closing Waterfox fixed it.
    I updated Waterfox to version 56.0.3 and now all seems well.

    Still, I wonder what could cause Waterfox to interfere with Blender?



  6. #6
    Originally Posted by Gaeriel View Post
    rebooting wasn't necessary, closing Waterfox fixed it.
    I updated Waterfox to version 56.0.3 and now all seems well.

    Still, I wonder what could cause Waterfox to interfere with Blender?
    Could be simply a symbol clash, aka both apps use different/incompatible lib versions.
    I already proposed in the bugreport to hide those. ( but imho waterfox should do too )

    Jens
    Last edited by jensverwiebe; 14-Jan-18 at 14:39.



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