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??JavaCV??????????

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???JavaCV??????????????????????????????????????JavaCV?????????????JAR???????????IDEA?Eclipse???????????????????????????????????

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?????????JavaCV?????????????

????????????JavaCV????

import org.bytedeco.javacv.FFmpegFrameGrabber;import org.bytedeco.javacv.Frame;import org.bytedeco.javacv.Java2DFrameConverter;

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public static final String VIDEO_PATH = "path/to/your/video.mp4";

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??FFmpegFrameGrabber?????????????????????

public class VideoFrameGrabber {    public static void grabFrames(String videoPath, String outputDir, String fileName, int frameRate) throws IOException {        FFmpegFrameGrabber grabber = FFmpegFrameGrabber.createDefault(videoPath);        grabber.start();                for (int i = 0; i < frameRate; i++) {            Frame frame = grabber.grabImage();            if (frame == null) continue;                        // ??????            saveFrame(frame, outputDir, fileName, i);        }                grabber.stop();    }        private static void saveFrame(Frame frame, String outputDir, String fileName, int index) {        Java2DFrameConverter converter = new Java2DFrameConverter();        BufferedImage image = converter.getBufferedImage(frame);                String filePath = outputDir + File.separator + fileName + "_" + index + ".jpg";        File output = new File(filePath);                try {            ImageIO.write(image, "jpg", output);        } catch (IOException e) {            e.printStackTrace();        }    }}

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public static void main(String[] args) throws IOException {    VideoFrameGrabber.grabFrames(VIDEO_PATH, "output/", "video", 30);}

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• ???????????????????FFmpeg???????MP4?AVI??
• ????????????????????????????
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