Fwd: Question about using GStreamer

[Ronald S. Bultje]

Can anyone help this fellow?

Cheers,
Ronald

---------- Forwarded message ----------
From: mehrdad fallahpour <[hidden email]>
Date: Tue, Dec 22, 2009 at 7:49 AM
Subject: Question about using GStreamer
To: [hidden email]


Dear Ronald

I'm Mehrdad an Electronic Engineer.
I want to produce an embedded video processor using lovely Linux & GStreamer.
I have been working on application with Gtk+ and Gstreamer to show and
process video.
I want to show the original Video in a Ximage and after processing
data show processed data on another seperate Ximage of Gtk.
I could show Video frames with playbin and uri of GStreamer but
unfortunately when I want to make it with a pipeline and linking
low-level elements like source (filesrc), demux, queue, decoder,
ffmpegcolorspace and vscale and videosink, they can't link correctly
and it's bus issues a message of "Internal data stream error".
This is very big problem with very few source and example for
GStreamer in the Internet and it causes I involved to this trouble 3
weeks. Dear Wim if possible do a favor for me and guide me in this
issue (at least an useful link in the Internet).

I'm looking forward to hearing from you.
Best Regards

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[Gustavo Orrillo-2]

Hi Mehrdad,

Check how we use it with Moldeo:

http://sourceforge.net/projects/moldeo/develop

Check out the project from svn and then go through the moGSGraph.cpp file, it shows how we use it in our project
Cheers,

2009/12/22 Ronald S. Bultje <[hidden email]>

Can anyone help this fellow?

Cheers,
Ronald

---------- Forwarded message ----------
From: mehrdad fallahpour <[hidden email]>
Date: Tue, Dec 22, 2009 at 7:49 AM
Subject: Question about using GStreamer
To: [hidden email]


Dear Ronald

I'm Mehrdad an Electronic Engineer.
I want to produce an embedded video processor using lovely Linux & GStreamer.
I have been working on application with Gtk+ and Gstreamer to show and
process video.
I want to show the original Video in a Ximage and after processing
data show processed data on another seperate Ximage of Gtk.
I could show Video frames with playbin and uri of GStreamer but
unfortunately when I want to make it with a pipeline and linking
low-level elements like source (filesrc), demux, queue, decoder,
ffmpegcolorspace and vscale and videosink, they can't link correctly
and it's bus issues a message of "Internal data stream error".
This is very big problem with very few source and example for
GStreamer in the Internet and it causes I involved to this trouble 3
weeks. Dear Wim if possible do a favor for me and guide me in this
issue (at least an useful link in the Internet).

I'm looking forward to hearing from you.
Best Regards

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[fabioestevam]

--- On Tue, 12/22/09, Ronald S. Bultje <[hidden email]> wrote:

> From: Ronald S. Bultje <[hidden email]>
> Subject: [gst-devel] Fwd: Question about using GStreamer
> To: [hidden email]
> Date: Tuesday, December 22, 2009, 12:51 PM
> Can anyone help this fellow?
>
> Cheers,
> Ronald
>
> ---------- Forwarded message ----------
> From: mehrdad fallahpour <[hidden email]>
> Date: Tue, Dec 22, 2009 at 7:49 AM
> Subject: Question about using GStreamer
> To: [hidden email]
>
>
> Dear Ronald
>
> I'm Mehrdad an Electronic Engineer.
> I want to produce an embedded video processor using lovely
> Linux & GStreamer.
> I have been working on application with Gtk+ and Gstreamer
> to show and
> process video.
> I want to show the original Video in a Ximage and after
> processing
> data show processed data on another seperate Ximage of
> Gtk.
> I could show Video frames with playbin and uri of GStreamer
> but
> unfortunately when I want to make it with a pipeline and
> linking
> low-level elements like source (filesrc), demux, queue,
> decoder,
> ffmpegcolorspace and vscale and videosink, they can't link
> correctly
> and it's bus issues a message of "Internal data stream
> error".
> This is very big problem with very few source and example
> for
> GStreamer in the Internet and it causes I involved to this
> trouble 3
> weeks. Dear Wim if possible do a favor for me and guide me
> in this
> issue (at least an useful link in the Internet).

Take a look into this thread: http://n4.nabble.com/Converting-a-gst-launch-pipeline-to-C-code-td973812.html#a973812

Regards,

Fabio Estevam


     

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