[Bf-committers] Problem with mp4 file in sequencer

Ejner Fergo ejnersan at gmail.com
Thu Oct 20 18:25:55 CEST 2011

Hi Dalai,

First of all I'm sorry for my lack of action, and only now replying.

I updated my system ffmpeg from git some time ago (I guess it's the
0.8.5 version) and Blender can now read the mp4 file(s) correctly.

With the 2.60 release (Linux 64bit downloaded from blender.org) the
problem is still there though. So the official Blender build is using
ffmpeg < 0.8.5 I guess? Should I still report this to the link you
posted, or will 2.61 use the most recent ffmpeg release?


Best regards,

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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