JavaCV实现获取视频每帧并保存

package VideoProcessing;import org.bytedeco.javacv.FFmpegFrameGrabber;import org.bytedeco.javacv.Frame;import org.bytedeco.javacv.Java2DFrameConverter;import javax.imageio.ImageIO;import java.awt.image.BufferedImage;import java.io.File;import java.io.IOException; /** * TODO：处理视频.（1.将视频提取成帧图片） * * @author ChenP */public class VideoProcessing {  //视频文件路径 private static String videoPath = "D:/IdeaTool/video";  //视频帧图片存储路径 public static String videoFramesPath = "D:/IdeaTool/img";  /**  * TODO 将视频文件帧处理并以“jpg”格式进行存储。  * 依赖FrameToBufferedImage方法：将frame转换为bufferedImage对象  *  * @param videoFileName  */ public static void grabberVideoFramer(String videoFileName) {  //Frame对象  Frame frame = null;  //标识  int flag = 0;  /*   获取视频文件   */  FFmpegFrameGrabber fFmpegFrameGrabber = new FFmpegFrameGrabber(videoPath + "/" + videoFileName);   try {   fFmpegFrameGrabber.start();   /*   .getFrameRate()方法：获取视频文件信息,总帧数    */   int ftp = fFmpegFrameGrabber.getLengthInFrames();//   System.out.println(fFmpegFrameGrabber.grabKeyFrame());   System.out.println("时长 " + ftp / fFmpegFrameGrabber.getFrameRate() / 60);    BufferedImage bImage = null;   System.out.println("开始运行视频提取帧，耗时较长");    while (flag <= ftp) {    //文件绝对路径+名字    String fileName = videoFramesPath + "/img_" + String.valueOf(flag) + ".jpg";    //文件储存对象    File outPut = new File(fileName);    //获取帧    frame = fFmpegFrameGrabber.grabImage();//    System.out.println(frame);    if (frame != null) {     ImageIO.write(FrameToBufferedImage(frame), "jpg", outPut);    }    flag++;   }   System.out.println("============运行结束============");   fFmpegFrameGrabber.stop();  } catch (IOException E) {  } } public static BufferedImage FrameToBufferedImage(Frame frame) {  //创建BufferedImage对象  Java2DFrameConverter converter = new Java2DFrameConverter();  BufferedImage bufferedImage = converter.getBufferedImage(frame);  return bufferedImage; } /*  测试.....  */ public static void main(String[] args) {  String videoFileName = "1.mp4";  grabberVideoFramer(videoFileName); } public static String getVideoPath() {  return videoPath; } public static void setVideoPath(String videoPath) {  VideoProcessing.videoPath = videoPath; }}