[PD] [GEM-dev] videoIO compilation error

Jack jack at rybn.org
Thu Jun 16 15:26:01 CEST 2011


Thanx Antoine, your method works fine ;)
++

Jack



Le mardi 14 juin 2011 à 18:37 +0200, Antoine Villeret a écrit :
> Hi jack, 
> 
> for me, I can change the location property of gnomevfssrc but I have
> to stop AND bang pdgst before changing the location 
> the bang is necessary to kill the window after stoping the pipeline
> 
> best
> 
> antoine
> -- 
> do it yourself                        
> http://antoine.villeret.free.fr 
> http://drii.ensad.fr
> --
> Google lit ce mail... 
> si vous refusez cela, utilisez l'adresse antoine.villeret [at] free.fr
> pour me contacter
> 
> 
> 
> 2011/5/30 Jack <jack at rybn.org>
>         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
>         >
>         >
>         >
>         > --
>         > do it yourself
>         > http://antoine.villeret.free.fr
>         > http://drii.ensad.fr
>         > --
>         > Google lit ce mail...
>         > si vous refusez cela, utilisez l'adresse antoine.villeret
>         [at] free.fr
>         > pour me contacter
>         >
>         >
>         >
>         > 2011/5/30 IOhannes m zmoelnig <zmoelnig at iem.at>
>         >         -----BEGIN PGP SIGNED MESSAGE-----
>         >         Hash: SHA1
>         >
>         >
>         >         ]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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>         >
>         >
>         >         iEYEARECAAYFAk3jatMACgkQkX2Xpv6ydvQu+gCcCu31jvM
>         >         +jrWU/bH77uLRd7az
>         >         fAwAn0+y5QdkOWR/YUg6GCPSOWwIP67T
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>         >
>         >
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