Gst Rtsp Server - serving feeds on client request

[Krishnan]

Hi,

Can anyone point me as how to serve feeds based on the client request?

Based on the test-launch example, if we give the url, rtsp://ip-address:8554/test from a vlc-client, the server will start serving a particular feed. Is it possible to have something like this,

a) if client gives url/test1 - serve first video file
b) if client gives url/test2 - stop serving the first video file and start serving the second video file
and so on..


Can someone point as how I can go about in doing this?

Thanks,
Krishnan.

[Stefan Sauer]

On 07/21/11 23:22, Krishnan wrote:

> Hi,
>
> Can anyone point me as how to serve feeds based on the client request?
>
> Based on the test-launch example, if we give the url,
> rtsp://ip-address:8554/test from a vlc-client, the server will start serving
> a particular feed. Is it possible to have something like this,
>
> a) if client gives url/test1 - serve first video file
> b) if client gives url/test2 - stop serving the first video file and start
> serving the second video file
> and so on..

Sure, just have a look at the test-launch.c source-code. Its is quite
short and its easy to see where the "test" url comes from.

Stefan

>
> Can someone point as how I can go about in doing this?
>
> Thanks,
> Krishnan.
>
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> View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Gst-Rtsp-Server-serving-feeds-on-client-request-tp3685133p3685133.html
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[Krishnan]

Hi Stefan,

Thank you for the reply. It looks like I have to create different factories for each stream. I tried like this,

        factory = gst_rtsp_media_factory_new ();
        factory1 = gst_rtsp_media_factory_new ();
       
        capture_input = 2; // to select second camera
        ret = initCapture(capture_input);
        gst_rtsp_media_factory_set_launch (factory, "( "
       "v4l2src ! video/x-raw-yuv,width=720,height=480 ! "
       "queue ! TIVidenc1 codecName=h264enc engineName=codecServer byteStream=FALSE ! "
       "queue ! rtph264pay pt=96 name=pay0 " ")");
     
        gst_rtsp_media_factory_set_launch (factory1, "( "
       "videotestsrc ! video/x-raw-yuv,width=720,height=480 ! "
       "queue ! TIVidenc1 codecName=h264enc engineName=codecServer byteStream=FALSE ! "
       "queue ! rtph264pay pt=96 name=pay0 " ")");
     
        gst_rtsp_media_mapping_add_factory (mapping, "/test", factory);
        gst_rtsp_media_mapping_add_factory (mapping, "/test1", factory1);
       
        gst_rtsp_media_factory_set_shared( factory, 1 );
        gst_rtsp_media_factory_set_shared( factory1, 1 );

I could see both the videotestscr and v4l2src by accessing their respective URL's.

My requirement is to stream different cameras having the same factory (v4l2src=/dev/video0 - cameras are selected based on the i2c commands and they all have the same /dev/video0 port) with different urls.

For eg) if first url is selected, i should initialize the first camera (capture_input = 1 -> to select the first camera) and then pass the factory (containing v4l2src) to the mapping.

Similarly, if second url is selected, i should initialize the second camera (capture_input = 2 -> to select the second camera) and then pass the factory (containing v4l2src) to the mapping.

As you can see, I cannot pass the "capture_input" argument to the factory. So, I should find a way to initialize my camera first based on the url requested. Can you suggested me a way of how I can do this?

Thanks,
Krishnan.