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I tried to repeat this tutorial, loading my own MP4 file. After clicking "open" in the movie clip editor and picking the file, it didn't seem to load and here's what I got in the terminal:

not an anim: /path/to/file.mp4

At the same time, file says it's ISO Media, MP4 Base Media v1 [IS0 14496-12:2003]. Is there any preprocessing I should do before I import it to Blender? How could I do it with mencoder or ffmpeg?

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  • $\begingroup$ I converted the file to OGV and the same thing happened. Also tried .AVI and the PoliceFootage.mov from here: videocopilot.net/tutorials/stabilize_shaky_footage ("project file" on the right) - nothing worked. $\endgroup$
    – d33tah
    Commented May 15, 2015 at 13:30
  • $\begingroup$ How can I keep tabs on / track this thread? $\endgroup$
    – NeverGiveUp
    Commented May 15, 2015 at 14:09
  • $\begingroup$ You can mark it as "favorite". $\endgroup$
    – d33tah
    Commented May 15, 2015 at 16:36
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    $\begingroup$ Try downloading official blender, I assume blender is compiled without ffmpeg. $\endgroup$
    – p2or
    Commented Jun 10, 2015 at 14:26
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    $\begingroup$ The issue is not on blender, and there is nothing to set up here. Fedora (and other flavors of linux) restricts a lot of codecs by default, and the use of ffmpeg. Try using installing a blender version not from the repositories but downloaded directly from blender.org. $\endgroup$
    – user1853
    Commented Aug 19, 2016 at 15:19

3 Answers 3

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You need to build a version of ffmpeg with full support for proprietary codec.

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.mp4 is the video and audio container. Many different formats can be used inside the container.

Use VLC to open the file. Tools - Media information (Ctrl + i) - codec to see what the video and audio are encoded as.

You can also use VLC and Convert/Save and re-encode the video and audio in new format that can be opened by blender.

E.g. did this just now starting with mov*.mod files which contained mpeg 1/2 video and ac3 audio. Chose profile Video - H.264 + MP3 (MP4) Converted to .mp4 containing H264 mpeg4 avc video and mpeg audio (with same resolution video 720x576 25frames/s audio changed from 48kHz to 44kHz 32bit audio). Blender opened that format.

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In the movie clip editor, hit SHIFT + A and choose clip. Then, when the file browser opens, choose your mp4.

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    $\begingroup$ I'm sure he tried that , it's more likely the video has a corrupt header or encoded in a format ffmpeg is not built with. besides your shortcut should be Alt+O , Shift+A works in the Video Sequence editor. I didn't down-vote you btw :p $\endgroup$
    – user2816
    Commented Jun 4, 2016 at 16:49

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