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ScreenCaptureExample.java
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ScreenCaptureExample.java
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/*
* Copyright 2020-2021 Vicne, Denis Kokorin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package examples;
import com.github.kokorin.jaffree.ffmpeg.CaptureInput;
import com.github.kokorin.jaffree.ffmpeg.FFmpeg;
import com.github.kokorin.jaffree.ffmpeg.UrlInput;
import com.github.kokorin.jaffree.ffmpeg.UrlOutput;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.concurrent.TimeUnit;
public class ScreenCaptureExample {
public void execute() throws Exception {
}
public static void main(String[] args) throws Exception {
if (args.length != 1) {
System.err.println("Exactly 1 argument expected: path to output media file");
System.exit(1);
}
Path pathToVideo = Paths.get(args[0]);
FFmpeg.atPath()
.addInput(CaptureInput
.captureDesktop()
.setCaptureFrameRate(30)
.setCaptureCursor(true)
)
.addOutput(UrlOutput
.toPath(pathToVideo)
// Record with ultrafast to lower CPU usage
.addArguments("-preset", "ultrafast")
.setDuration(30, TimeUnit.SECONDS)
)
.setOverwriteOutput(true)
.execute();
//Re-encode when record is completed to optimize file size
Path pathToOptimized = pathToVideo.resolveSibling("optimized-" + pathToVideo.getFileName());
FFmpeg.atPath()
.addInput(UrlInput.fromPath(pathToVideo))
.addOutput(UrlOutput.toPath(pathToOptimized))
.execute();
Files.move(pathToOptimized, pathToVideo, StandardCopyOption.REPLACE_EXISTING);
}
}