I am able to grab video frames and record them. But i want to apply effect over each frame and reencode video

If you're talking about avfilter, sure, we're looking for contributions! Duplicate of https://github.com/bytedeco/javacv/issues/164

thx samuel for reply.I am using javacv in android.I am able to get frames and reencode video. Now i want to apply filters over video. Kindly Help me in this regard.Here is a snippet of my code

FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(Environment.getExternalStorageDirectory()+"/Download/Vi.mp4"); AndroidFrameConverter converter=new AndroidFrameConverter(); grabber.start(); recorder = FFmpegFrameRecorder.createDefault(f,grabber.getImageWidth(), grabber.getImageHeight());

                recorder.start();
                recorder.record(frame);