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[Bug 536923] Re: avi video file length incorrectly reported 2x longer

 

I tried conversion of the test.avi file into different formats with
ffmpeg (under Lucid). It failed with the output  formats mov and mp4
with these error messages

ffmpeg -i testvideoedit/test.avi test.mov
...
[mpeg4 @ 0x92bf4b0]timebase not supported by mpeg 4 standard


ffmpeg -i testvideoedit/test.avi test.mp4
...
[mpeg4 @ 0x83a94b0]timebase not supported by mpeg 4 standard


It did work using flv and mpeg as output formats (but the quality was poor).

-- 
avi video file length incorrectly reported 2x longer
https://bugs.launchpad.net/bugs/536923
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Status in OpenShot Video Editor: New

Bug description:
An *.avi video file is reported with a length exactly 2x of the true length. Same bug is found in Kdenlive, but not in Pitivi, so it amy be a problem of MLT?

The file: 
recorded with a digital camera as *.avi. Length is handstopped 16.5-16.8 sec. Nautilus reports 16 sec.

Tested on Lucid: 
Openshot1.1: lenght is 32 sec, 
pitivi: 16sec

Tested on intrepid:
Openshot 1.1: 32 sec, 
Kdenlive 0.6.0: 32 sec, 
Pitivi 0.11.1: 16 sec

Beyond 16sec of playback, Openshot shows a white picture, kdenlive a black picture, with some scratchy sound in both marking the failure point





References