ParsingOutputExample.java

package examples;

import com.github.kokorin.jaffree.ffmpeg.FFmpeg;
import com.github.kokorin.jaffree.ffmpeg.FFmpegProgress;
import com.github.kokorin.jaffree.ffmpeg.NullOutput;
import com.github.kokorin.jaffree.ffmpeg.OutputListener;
import com.github.kokorin.jaffree.ffmpeg.ProgressListener;
import com.github.kokorin.jaffree.ffmpeg.UrlInput;
import com.github.kokorin.jaffree.ffmpeg.UrlOutput;

import java.util.concurrent.atomic.AtomicLong;

public class ParsingOutputExample {

    public static void main(String[] args) throws Exception {
        if (args.length != 1) {
            System.err.println("Exactly 1 argument expected: path to media file");
            System.exit(1);
        }

        String pathToVideo = args[0];

        // StringBuffer - because it's thread safe
        final StringBuffer loudnormReport = new StringBuffer();

        FFmpeg.atPath()
                .addInput(UrlInput.fromUrl(pathToVideo))
                .addArguments("-af", "loudnorm=I=-16:TP=-1.5:LRA=11:print_format=json")
                .addOutput(new NullOutput(false))
                .setOutputListener(new OutputListener() {
                    @Override
                    public void onOutput(String line) {
                        loudnormReport.append(line);
                    }
                })
                .execute();

        System.out.println("Loudnorm report:\n" + loudnormReport);
    }
}