how to use ffmpeg java api to extract key frames?

[lianshushu]

The ffmpeg-cli-wrapper library is a simple wrapper around the ffmpeg command line. If you have questions on how to use the library, please check out the usage, or random examples. If that doesn't solve your problem please fill out the following:

The question how to use ffmpeg java api to extract key frames?

Example ffmpeg command

ffmpeg -i input.mp4 -vf select=eq(pict_type\,I) -vsync 2 -s 580x326 -f image2 output-key-frame

What you have tried nothing