[GEM-dev] videoIO compilation error

[Jack]

Le lundi 30 mai 2011 à 16:10 +0200, Antoine Villeret a écrit :
> thanks IOhannes ! 
> 
> concerning pdgst, could it work ? and should i send you some bug
> report or is it also almost dead ?
No, i think it is not dead. It is not perfect but it works fine in most
cases.
For example, one of the problem i have, i can't load an other video from
a stream with the message [location(.
++

Jack


> 
> regarding filmGMERLIN plugin, i'll try it
> 
> and thanks for all, you're the man !
> 
> cheers
> 
> antoine
> 
> 
> 
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> 
> 2011/5/30 IOhannes m zmoelnig <zmoelnig at iem.at>
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>         
>         ]On 2011-05-30 11:37, Antoine Villeret wrote:
>         > hi,
>         >
>         > humhum ok...
>         > I need to read and write video stream from Gem, videoIO
>         appeared to be a
>         > good solution when it was alive...
>         
>         
>         well, yes and no. i don't think videoIO was ever in a state
>         that could
>         accomplish this.
>         
>         > is there a Gem plugins with which I can read/write HTTP and
>         RTSP streams ?
>         
>         
>         afaic, you should be able to _read_ rtsp/http streams using
>         the
>         gmerlin-avdec backend of [pix_film] (yes, that's [pix_film]
>         rather than
>         [pix_video]; gmerlin-avdec is a generic video decoding
>         framework
>         targeted mostly at video-file playback but which can also do
>         some
>         networking)
>         
>         however, there is currently no direct way to _write_ these
>         streams.
>         
>         
>         > i also saw your pdgst which seems to be buggy...
>         
>         
>         "buggy" is a bit generic.
>         
>         
>         > so is there a solution (on Ubuntu 10.4) ?
>         >
>         
>         
>         dunno about the inclusion state of gmerlin-avdecoder in
>         ubuntu-10.4;
>         it's definitely in current debian/wheezy, so it should hit
>         ubuntu at
>         some point.
>         
>         
>         anyhow, this is what i would do:
>         - - read the streams using [pix_film]
>         
>         - - write the streams to a pipe using [pix_record] and a
>         v4l2loopback
>         device;
>         you will need the v4l2loopback kernel modules, which are
>         available in
>         ubuntu starting with natty, or directly get them from
>         http://github.com/umlaeute/v4l2loopback/)
>         you will also need a recent enough version of Gem (that is:
>         current SVN)
>         that has support for writing to v4l2-loopbacks in [pix_record]
>         - - send the stream using GStreamer (grabbing the v4l2
>         loopback source and
>         using whatever technology gstreamer offers to broadcast the
>         stream)
>         
>         (you could also do v4l1 loopback using the "vloopback" driver
>         and
>         [pix_record]'s v4l1 writing capabilities; however v4l1 is
>         considered
>         dead, so i'd use v4l2)
>         
>         
>         
>         fgamsdr
>         IOhannes
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>         
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