[gst-devel] Checking capabilities of GStreamer

[Stefan Kost]

Steve Ricketts wrote:
> Thanks so much for the information.  My next question will show you
> how new I am to Linux... I tried to install everything using zypper
> -install gstreamer-0_10* and it installed a lot of files.  When I do
> rpm -qa | grep gstreamer, it lists about 28 items.  However, when I
> run gst -inspect fakesrc it says that gst is not a program. 
>  
> What have I done wrong... or what have I not done.   Winking smile
> emoticon
>  
there is a package called gstreamer-tools
http://software.opensuse.org/search?q=gstreamer-tools

Stefan

> sr
>
> *From:* Tiago Katcipis <mailto:katcipis at inf.ufsc.br>
> *Sent:* Monday, April 19, 2010 7:58 AM
> *To:* Discussion of the development of GStreamer
> <mailto:gstreamer-devel at lists.sourceforge.net>
> *Subject:* Re: [gst-devel] Checking capabilities of GStreamer
>
> Hi,
>
> On Sun, Apr 18, 2010 at 5:06 PM, Steve Ricketts <velocedge at hotmail.com
> <mailto:velocedge at hotmail.com>> wrote:
>
>     I'm developing an application in C#/Mono in which I need to use both
>     audio and video bi-directionally over a sockets connection on
>     Linux.  I
>     am asking if GStreamer can do the following tasks:
>
>     Audio
>
>     1. Take GSM 6.10 audio from a byte array and play it on the speaker
>     2. Convert a PCM byte array to GSM 6.10
>
>
> For inserting/getting byte arrays of data on a gstreamer pipeline you
> can use appsink and appsrc:
>
> http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/section-data-spoof.html
>
> http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-plugins/html/gst-plugins-base-plugins-plugin-app.html
>
> gstreamer has GSM suppport:
> http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-bad-plugins/html/gst-plugins-bad-plugins-plugin-gsm.html
>
> but i dont know if it is 6.10.
>
>
>     Video
>
>     1. Capture video from a webcam to byte array
>     2. Convert captured byte array to compressed format (preferably MS
>     MPEG42 to integrate with existing app... could be other format)
>
>
> for video in linux you can use:
>
> http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-plugins/html/gst-plugins-base-plugins-plugin-video4linux.html
>
> and to extract the data as byte arrays you already know :-).
>  
>
>     The audio functions are by far the most important right now.  If
>     GStreamer can do the above audio functions, what do I need to download
>     for openSUSE 11.2 to get the latest version?
>
>
> I'm not very used with openSUSE, on Ubuntu i usually install almost
> all gstreamer plugins that comes with my distro :-). But installing
> gstreamer, gstreamer-base, gstreamer-good, gstreamer-bad and
> gstreamer-ffmpeg (I believe that the MPEG encoding will be here)
> should do it for you.
>  
>
>     Thanks for your advice,
>
>     Steve
>
>
>
> best regards,
> Katcipis
>  
>
>
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