[Kdenlive-devel] Possible bug loading captured avi files

Carlos Dávila cdavilam at jemila.jazztel.es
Sun Dec 10 22:51:16 UTC 2006

Stephane Fillod escribió:
> Sun, Dec 10, 2006 at 12:19:27AM +0100, Carlos Dávila skribis:
>> Hello all
>> I have loaded several avi files that I captured with dvgrab before this 
>> feature was available in kdenlive. I got 13 files of 1000 MB from a 60 
>> min DV tape + 1 short file with the remaining time. If I watch these 
>> files in Totem or load them into Cinelerra, they show total footage 
>> (4:41 min each one), but if I load them into kdenlive, they all seem to 
>> be only 1:03 min length.
> Does the videos were shot in one piece or in successive scenes?
Successive scenes
>> I have reviewed all project and kdenlive preferences settings, watching 
>> for any file length limit, but did not find any. In the same project I 
>> have one clip captured also from DV tape, using WinDV, which is longer 
>> than 1:03 min with no problem.
>> Any explanation?
> Not sure whether this is the same problem, but I experienced similar
> symptoms with a VOB file (from a DVD camcorder) which was having
> timecode breaks. I've traced down the problem into FFmpeg. MLT request
> the AVFormatContext->duration in src/modules/avformat/producer_avformat.c:producer_open()
> and in fact, libavformat returns the length of the *last* scene.
> So I had to trick kdenlive by "reseting" timecodes of the input file
> using ffmpeg with -acodec copy -vcodec copy -dts_delta_threshold.
> There surely must be a better way.
I think it's a different problem. No matter what was the length of the 
last scene, kdenlive always showed 1:03 minutes.

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