[gst-devel] dynamic change element's parameter

[Mailing List SVR]

Il giorno dom, 12/09/2010 alle 14.01 +0800, Chandler Li ha scritto: 
> Hi all,
>     I'm new to use gstreamer,
>     and I have a problem don't know how to solve for a long time,
> 
>     Is there possible to dynamic change the parameter in elements or pads?
> 
>     For example,
>     In a playing state streaming,
>     could I dynamic change the size of video without stop the streaming?

I think you can following the directions here:

http://cgit.freedesktop.org/gstreamer/gstreamer/tree/docs/design/part-block.txt

for your use case I'll try to insert a videoscale element in the running
pipeline, 

be warned if you are saving the stream in a file and you dynamically
change the file destination you'll have timestamp problems:

https://bugzilla.gnome.org/show_bug.cgi?id=561224

hope this help,

Nicola


> 
>     hopes that's not a stupid question,
>     and very hopefully for your reply,
>     Thank you
> 
>     Chandler Lee
> 
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