[Bf-committers] Problem with mp4 file in sequencer

Knapp magick.crow at gmail.com
Sun Sep 4 08:24:07 CEST 2011


I had the same problem 2 weeks ago but with files made with this command.

ffmpeg -f alsa -ac 1 -i hw:1,0 -f x11grab -r 30 -s 1920x1080 -i
:0.0+1024,0 -acodec pcm_s16le -vcodec libx264 -vpre lossless_ultrafast
-threads 2 ./Desktop/Blender_Traveller_Spaceship_Tutorial.mkv


On Fri, Sep 2, 2011 at 6:46 PM, Dalai Felinto <dfelinto at gmail.com> wrote:
> Hi Ejner,
>
> I can confirm this problem (with ffmpeg 0.8 in win32 and 64).
> We had the same issue with other files, but they are now working well.
>
> As with the other problems Blender 2.49 handles this well (*hackaround, add
> to 2.49 and open the file in 2.5*).
>
> My suggestion:
> - add this entry to the tracker
> - try the patch showed here:
> http://projects.blender.org/tracker/index.php?func=detail&aid=25634&group_id=9&atid=498
> - cross your fingers and hope ffmpeg devs fix that any soon (not sure how to
> report bugs for them though).
>
> --
> Dalai
>
> 2011/9/2 Ejner Fergo <ejnersan at gmail.com>
>
>> Hola,
>>
>> I'm having problems with certain mp4 files, specifically ones from the
>> Samsung Galaxy S II phone, in the sequence editor. The files play
>> normally in media-players and with ffplay.
>>
>> The length of the video is abnormally long, and with most files over
>> the 300.000 frame limit. In the small test-file I link to below it is
>> over 160.000 frames on the timeline!
>>
>> http://dl.dropbox.com/u/11299813/SGS2.mp4 (7.8 MB)
>>
>> This happens on both ffmpeg 0.7.3 (32bit Gentoo) and ffmpeg 0.8.2
>> (64bit Ubuntu). It seems it only happens with mp4 files recorded with
>> the phone, since the few random mp4 files I downloaded from the net
>> works ok in the Blender sequencer (except the difference between sound
>> and video, but well..). What is so wrong about my video files??
>>
>> Thanks for any investigation on this.
>>
>> Best regards,
>> Ejner
>> _______________________________________________
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>> Bf-committers at blender.org
>> http://lists.blender.org/mailman/listinfo/bf-committers
>>
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