Using rtspsrc

[José Luis]

Hi!

This is my first mail to this list, and I'm using Gstreamer directly on C only few days ago.

I'm trying to use the rtspsrc element to show a RTSP stream from a IP camera. On my first try, I used gst-launch tool to see that it's possible to construct this pipeline:

$ gst-launch-0.10 rtspsrc location="uri_of_my_cam" ! decodebin ! xvimagesink

and it works fine! But, when I tried the same inside a program... I create the 3 elements, add it to the pipeline and then I linked it between.

It hink my problem was the use of decodebin, but I read some examples on the documentation and I'm using it in the right way.

When I output debug messages from the bus, I saw something strange: gstreamer notify me that rtspsrc is not properly connected to decodebin. I read some documentation about rtspsrc and I found that it's a GstBin, not a simply GstElement.

Inside the rtspsrc bin would be a source pad, but I'm not sure how can I use it. Is there any signal that notifies me about the creation of the source pad? Have I ask to rtspsrc for a source pad?

I had searched on Google for use-examples of rtspsrc, but I can't find anything related.

Actually, I'm using "playbin" to play the RTSP camera, but I want to learn this kind of things!

Thanks for your attention and excuse me, I'm not very good at English.

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[Aurelien Grimaud (elzz)]

Hi,
rtspsrc source pads are "sometimes" pad.

Therefore you have to connect a GstElement : "pad-added" signal on rtspsrc, and link downstream in call back.

Aurelien

José Luis a écrit :

Hi!

This is my first mail to this list, and I'm using Gstreamer directly on C only few days ago.

I'm trying to use the rtspsrc element to show a RTSP stream from a IP camera. On my first try, I used gst-launch tool to see that it's possible to construct this pipeline:

$ gst-launch-0.10 rtspsrc location="uri_of_my_cam" ! decodebin ! xvimagesink

and it works fine! But, when I tried the same inside a program... I create the 3 elements, add it to the pipeline and then I linked it between.

It hink my problem was the use of decodebin, but I read some examples on the documentation and I'm using it in the right way.

When I output debug messages from the bus, I saw something strange: gstreamer notify me that rtspsrc is not properly connected to decodebin. I read some documentation about rtspsrc and I found that it's a GstBin, not a simply GstElement.

Inside the rtspsrc bin would be a source pad, but I'm not sure how can I use it. Is there any signal that notifies me about the creation of the source pad? Have I ask to rtspsrc for a source pad?

I had searched on Google for use-examples of rtspsrc, but I can't find anything related.

Actually, I'm using "playbin" to play the RTSP camera, but I want to learn this kind of things!

Thanks for your attention and excuse me, I'm not very good at English.

------------------------------------------------------------------------------
Come build with us! The BlackBerry® Developer Conference in SF, CA
is the only developer event you need to attend this year. Jumpstart your
developing skills, take BlackBerry mobile applications to market and stay 
ahead of the curve. Join us from November 9-12, 2009. Register now!
http://p.sf.net/sfu/devconf

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Come build with us! The BlackBerry® Developer Conference in SF, CA
is the only developer event you need to attend this year. Jumpstart your
developing skills, take BlackBerry mobile applications to market and stay
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http://p.sf.net/sfu/devconf
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