matlab:Warning: Unable to determine the number of frames in this file.
2017-04-21 17:42
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在使用 VideoReader读视频时经常会遇到这样的问题：Warning: Unable to determine the number of frames in this file.
没有找到更好的解决办法，如果你是做研究的话，不要求实时性的话，可以这样解决：采用语句：
filename='video.avi';
vidObj=VideoReader(filename);
numFrames=read(vidObj,inf);
numFrames=vidObj.NumberOfFrames ;% 帧的总数
参考自matlab官方帮助：
http://www.mathworks.cn/cn/help/matlab/import_export/read-video-files.html
没有找到更好的解决办法，如果你是做研究的话，不要求实时性的话，可以这样解决：采用语句：
filename='video.avi';
vidObj=VideoReader(filename);
numFrames=read(vidObj,inf);
numFrames=vidObj.NumberOfFrames ;% 帧的总数
就可返回视频的帧数
参考自matlab官方帮助：
http://www.mathworks.cn/cn/help/matlab/import_export/read-video-files.html
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