小编Ioa*_*nna的帖子

我创建了一个从视频中捕获帧的类.捕获帧时,它将保存为图片.当视频是.avi时,应用程序运行正常.格式为.avi时.

public static void main(String[] args) {

     FFmpegFrameGrabber grabber = new FFmpegFrameGrabber("C:/Users/Ioanna/Desktop/video1.avi");

     try {
         IplImage img; 

         //Start grabber to capture video
         grabber.start(); 

         //grab video frame to IplImage
         img = grabber.grab();

         if (img != null) {         
             //save video frame as a picture
             cvSaveImage("capture.jpg", img);
         }

     }catch (Exception e) {      
     }
}

错误是

Exception in thread "main" java.lang.ExceptionInInitializerError
    at com.googlecode.javacv.FFmpegFrameGrabber.<init>(FFmpegFrameGrabber.java:106)
    at Video.main(Video.java:75)
Caused by: java.lang.IllegalStateException: Can't overwrite cause with java.lang.UnsatisfiedLinkError: no avcodec in java.library.path
    at java.lang.Throwable.initCause(Throwable.java:457)
    at com.googlecode.javacpp.Loader.load(Loader.java:581)
    at com.googlecode.javacpp.Loader.load(Loader.java:532)
    at com.googlecode.javacv.cpp.avcodec.<clinit>(avcodec.java:39) …