If the video is not so big, you can shoot the screen at 25 fps with [pix_write] and make a film of all the pictures with mencoder :

mencoder "mf://*.jpg" -mf fps=25 -o output.avi -ovc lavc -lavcopts vcodec=mpeg4

01ivier


2011/3/23 •≈•≈•≈• <potaxpotax@gmail.com>
i have the same problem on OS X.
is there any other way to record GEM videos?
thanks


On Sun, Mar 13, 2011 at 1:50 PM, Matteo Sisti Sette
<matteosistisette@gmail.com> wrote:
> I've also tried with "auto 1", with and without the bangs, and nothing
> changes.
>
> On 03/13/2011 01:43 PM, Olivier Baudu wrote:
>>
>> Hi,
>>
>> I've recently tried all the codecs but without success... :-/
>> (pd-ext 0.42.5 // gem 0.92.3 // Ubuntu 10.04)
>>
>> Sorry...
>>
>> If someone knows a way to make it works, I'll be happy too...
>>
>> Cheers...
>>
>> 01ivier
>>
>>
>>
>> 2011/3/12 Matteo Sisti Sette <matteosistisette@gmail.com
>> <mailto:matteosistisette@gmail.com>>
>>
>>    Some more detailed information of what happens:
>>
>>    1 I start Pd Extended
>>    2 I open the patch which uses pix_record
>>    3 send it "codec 5"
>>    4 send it "open filename.mov"
>>    5 send it "record 1"
>>    6 send it a bang at every frame
>>    7 send it "record 0".
>>
>>    (it is always receiving the gemlist)
>>
>>    Result: it only records the first frame (not a black frame, an
>>    actual frame).
>>
>>    If I repeat steps 4-7, i records only one frame again (overwriting
>>    the file, as expected). If I repeat only steps 5-7, it does nothing,
>>    doesn't even touch the file (this may be expected).
>>
>>    If I close the patch (but not Pd), and repeat steps 2-5, it crashes.
>>
>>
>>    This is Pd Extended 0.42.5, gem 0.92.3 compiled sep 22 2010 (comes
>>    with pd extended), Ubuntu 10.04
>>
>>
>>    Apart from the crash which I can avoid, is there something I am
>>    missing to have it record more than one frame??? Does anybody know
>>    of a codec that gives less issues? (there are too many to try them
>> all).
>>
>>    thanks
>>    m.
>>
>>
>>
>>
>>
>>    On 03/12/2011 08:18 PM, Matteo Sisti Sette wrote:
>>
>>        Hi,
>>
>>        Time ago I succesfully used pix_record in Windows by trying
>>        different
>>        codecs until I found one that wouldn't make it crash.
>>
>>        Now I'm trying to use it in linux and I managed to create the
>> output
>>        file and it seems it records one black frame, but nothing more.
>>        The file
>>        seems to have the correct dimensions in pixels but it never grows
>> to
>>        more than a few Kb.
>>
>>        I use "codec 5" which is ffmpeg mjpeg.
>>
>>        I have:
>>
>>        [gemhead 99]
>>        |
>>        [t b a]
>>        | /
>>        [pix_snap 500 500]
>>        |
>>        [t b a]
>>        | /
>>        [pix_record]
>>
>>        Well I'm simplifying it, because I have a spigot so that the
>>        situation
>>        is equivalent to the picture above only after I've sent the
>>        "record 1"
>>        message.
>>
>>        I send to pix_record, in this order:
>>        "file output.mov"
>>        "record 1"
>>        ... now for every frame I send it a bang (and the gemlist of
>> course)
>>        "record 0"
>>        ...now i stop banging it
>>
>>        I've verified that pix_snap is snapping as expected (I've tried
>>        putting
>>        a pix texture after it and using the texture on a square).
>>
>>        Any idea?
>>
>>        It prints this message to the console when it receives the
>>        "file" message:
>>        encoding as Quicktime (QT7 compatible)
>>
>>        but it doesn't print any message when it gets the "record 1" and
>>        "record
>>        0" messages.
>>
>>        thanks
>>        m.
>>
>>
>>
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