[gst-devel] read tag

[Stefan Kost]

hi,

termajik schrieb:
> Hi,
>  
> I am a newbies with gstreamer and french. Sorry in advance for my english :)
>  
> I try to read tag information in some file in a c++ application. I am
> looking for exemple on the web but i didn't found.
> With gst-launch and '-t' option, the tags are printing so i read
> gst-launch source code but i have some problems for understanding some
> events.

I would say you need to study the docs a bit more.
>  
>     1 - Where gst-launch use the -t parameters? In
> g_option_context_parse? But what did g_option_context_parse?

use devhelp to read developer docs. this function comes from glib.

>  
>     2 - Tags information are printing in event_loop function. How this
> function was linked with the good event?

if you search the gst-launch.c you will find the place where its registered. tag
information is send as message to the gstbus, you can listen there for such
messages.

Stefan
>  
> The answer is certainly ducomented in doc, but i did find it or i din't
> uderstanding it. If some body have a simple exemple or link to
> information about my subject...
> 
> Thanks in advance.
> 
> Regards,
> 
> Cédric.
> 
> 
> 
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