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[Justin Forest <justin.forest@xxxxxxxxx>]

Same here.  Exporting to MOV/H.264 works fine, so this must be a problem
with the MP4 container only.  I think I remember the ffmpeg
documentation saying that the MP4 code is unstable.

-- 
Program crash when exporting video
https://bugs.launchpad.net/bugs/508123
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Status in OpenShot Video Editor: New

Bug description:
I am trying to export video with below options, and openshot crashes with error messages.

============ Error message =============
consumer_avformat.c: audio codec libmp3lame unrecognised - ignoring
consumer_avformat.c: video codec libxvid unrecognised - ignoring
consumer_avformat.c: Unable to encode audio - disabling audio output.
[mp4 @ 0xb36ddc0]track 1: codec frame size is not set
Floating point exception
=======================================

============== Export options ================
Project type: HDV 720 30p

Video format: mp4
Video codec: libxvid
Bit rate: 15.00 Mb/s - HDTV quality

Audio codec: libmp3lame
Sample rate: 48000
# of channles: 2
Bit rate: 256 kb/s - Near CD quality
=============================================