Does the v4l2src ! ffmpegcolorspace ! xvimagesink works?
If so there might be an issue in pgmimagesink, try to adapt the
pigment-python video.py example to use your custom pipeline and tell us
if you have any issue.
Philippe
Le mercredi 25 mars 2009 à 03:01 +0000, Rui Castro a écrit :
> Hi,
>
> I'm trying to make a Player for v4l2 video sources, but i keep getting
> the error "Gstreamer The stream is in the wrong
> format.:gstbasesrc.c(2426): gst_base_src_start ():
> /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:"
>
> I've made a class V4l2DebugPlayer which is a copy from class
> elisa.plugins.poblesec.player_video.Player; I've commented the lines
> to create a pipeline with element "playbin" and replaced it with a
> pipeline like this "v4l2src ! ffmpegcolorspace ! pgmimagesink"; I've
> commented all the lines that only make sense in playbin, like setting
> the volume property, etc.
>
> I've also made a class V4l2PlayerController that is a copy of
> elisa.plugins.poblesec.player_video.PlayerController; I've commented
> lines "ribbon.add_control(SkipPreviousControl(self))" and
> "ribbon.add_control(SkipNextControl(self))" that were causing error at
> start.
>
>
> Another significant difference from youtube plugin, from which I
> copied the resource provider, is the fact that i created the
> V4l2PlayerController, with line
> "self.frontend.create_controller('/v4l2/v4l2_player')", in method
> node_clicked(self, widget, item) because if I didn't
> "self.frontend.retrieve_controllers('/v4l2/v4l2_player')" wouldn't
> return any controller.
> V4l2PlayerController is registered in my setup.py with name
> '/v4l2/v4l2_player' but that is not enough for it to be created, i
> guess.
>
> The most recent version of the code is in
> https://code.launchpad.net/~rui.castro/elisa-plugin-v4l2/devel
> I would really appreciated if someone could help me with this. I don't
> know what else I can do to make this work.
>
>
> Rui Castro
