gstreamer: how to shift the time of rendering of one stream taken from file

Question

I have two media files (say, \"file0\" and \"file1\") and I want to merge them into a single one with \"picture-in-picture\" effect - the content from \"file0\" to be disp

Answer 1

Finally the answer: it is possible by calling gst-pad-set-offset for particular sink pads of videomixer and audiomixer elements. So, in the example above, you would get sink_1 pads of video- and audio-mixers and specify the offset by calling 'gst-pad-set-offset'. Works like a charm.

Special thanks to Sebastian Dröge who answered very similar question