[Libav-user] howto play lavfi complexfilter-script in c++
Leon van Kammen
leonvankammen at gmail.com
Thu May 7 19:50:47 EEST 2020
FFmpeg c++ newbie here, I've just joined this wonderful mailinglist, and
have a mission:
Im trying to get the c++ equivalent of this amazing cmd:
$ ffmpeg -filter_complex_script script.txt test.mp4
I've tried reading the ffmpeg source, some c++ examples, but without any
I'm stuck fiddling with avformat_open_input(&format, "lavfi", NULL, NULL).
1. any tips where to look?
2. how do i read frames from lavfi-streams from the filtergraph?
My shtick is: I want to play a filtergraph-file in my qt-app (so I can use
The good news is : playing one simple videofile works using
However, I want to refactor it to render a complex-filter-script like above
This would be much more powerful, so I any pointers are very welcome!
Thanks for being awesome.
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