[PD] cannot get pix_record to work

[Olivier Baudu]

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 at 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 at 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 at gmail.com
> >> <mailto:matteosistisette at 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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