How to trigger action on certain position in a stream?

[Tim-Philipp Müller]

On Sat, 2013-07-27 at 21:47 +0200, marcin at saepia.net wrote:

Hi,

> what is the best way to trigger action on certain position in a
> stream?
> 
> For example I am playing a file via filesrc ! decodebin ! ... , and I
> would like to trigger something when it passes 123 ms.
> 
> 
> Is there any other way than just setting timeout that queries current
> stream position every let's say 10 ms? Kind of event that I can listen
> to?

There are multiple options. Could you describe in more detail what
you're trying to do? And provide us with the bigger picture?

Cheers
 -Tim