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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