Libavfilter
lastmod 2024-08-15created 2020-01-214 edits
The libavfilter library provides a generic audio/video filtering framework containing several filters, sources and sinks.
lavfi
Libavfilter input virtual device.
This input device reads data from the open output pads of a libavfilter filtergraph.
For each filtergraph open output, the input device will create a corresponding stream which is mapped to the generated output. The filtergraph is specified through the option graph.
How to create sample video in FFmpeg
See FFmpeg:CLI#Generating test video for details.