Hello everybody,
First I must say that I am new to GStreamer and try to write my first
plugin/filter. My aim is to use videotestsrc to generate a video and
filter only the random part (on the bottom right) and output only that
section to the screen.
I know that I need to have different caps for the src and sink pads, so
that xvimagesink negotiates with my filter and decides for a lower
resolution than the resolution videotestsrc outputs. I have tried many
things to do that (including fixing the src pad caps to the resolution I
want in the template and in the _set_caps() function); but nothing works
and I simply get the same resolution with the input at my output.
If you can give me some hints of the required steps to this, I would
really appreciate. Thank you very much.
Best regards,
canbal
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