Re: Callback for every video frame captured

[Mailing List SVR <lists@xxxxxxxxxxxxxxxxx>]

Il 16/04/2015 08:51, Pier ha scritto:

Hi, 

Is it possible to do a callback function (to grab coordinates from a GPS device) for every video frame that is being recorded in GStreamer? 

Could someone point me in the right direction to do so?

you can use a pad probe

http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/chapter-dataaccess.html

or appsink

http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-appsink.html

and eventually appsrc:

http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-appsrc.html

if you need to give back the frame to gstreamer after your custom manipulations,

another option is to write a custom plugin that do what you need,

Nicola

Thank you. 

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