maj-master.zip【国外开源，处理MXF】Encoderencoder=newEncoder();//创建解码器p_dir_stdMultimediaInfoinfo;try{info=encoder.getInfo(file);AudioInfoai=info.getAudio();//音频信息System.out.println(ai);VideoInfovi=info.getVideo();//视频信息System.out.println(vi);System.out.prin