Video synchronization

[Angel Martin]

Hi,

Are you looking for something like this?
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/chapter-queryevents.html

Best,

Angel

2012/5/14 enricom <enri_marne87 at msn.com>

> Hello, I would like to know if there's a way to extract the buffer
> timestamp
> of the video stream that a video player is playing at a certain moment. So
> far I've been using the timestamps extracted by an identity element placed
> just before the video player but the handoff signals are not generated
> synchronously, so between 2 buffers of length = 0.04 s there's a system
> time
> delta extracted at the handoff signal generation slightly different than
> 0.04 s...for this reason I suppose that either the video player receives
> these buffers asynchronously, so it has a buffer itself and synchronizes
> with the general clock, or the identity signal is emitted asynchronously
> (or
> maybe both)...
> For audio/video synchronization purposes I need to know something like: in
> a
> certain precise instant the video player is displaying a frame with
> timestamp=x..is it possible?
> Thank you very much.
>
> Enrico
>
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