[PD] pdp_qt freezes pd

Tom Schouten doelie at zzz.kotnet.org
Mon May 17 18:05:59 CEST 2004


> > it's getting quite rigid on my computer opening a qt-movie compressed
> > photojpeg - have to make the finishing move for pd via ctrl+c...
> > heres the console output:
> > pdp_qt: opening /home/olsen/discovery_photojpeg/gummitwist.mov
> > pdp_qt: video stream found (360x288 pixels, 25 fps, 1584 frames, jpeg
> > codec)
> > pdp_qt: audio stream found (2 channels, 44100 Hz, 2794176 samples,
> > chunksize 1764)
> > pdp_qt: using colormodel YUV420P
> > pdp_qt: /home/olsen/discovery_photojpeg/gummitwist.mov opened
> > pdp_xv: autocreate window
> > pdp_xvideo: grabbed port 107 on adaptor 0
> > Pd: signal 2
> >
> > is this a libquicktime problem?
>
> yes !
> if you want to use libquicktime 0.9.2,
> you have to apply the patch tom did for it,
> which is there :
> http://zwizwa.fartit.com/pd/pdp/libquicktime-0.9.2-mjpeg-0.1.patch.gz
>

indeed. the patch disables threads for the jpeg codec.
there's a problem when you use it with real-time scheduling.

maybe you can try without -rt as a a temporary fix?

> he also wrote to the libquicktime team hoping this patch
> will be integrated one day.
>

i'll write another note to the lqt list.

tom






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