Error runing ffmpeg in Matlab function in linux
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I download exemplarsvm code, the problem: when I run : [tmp,lenstring] = unix('/usr/bin/ffmpeg -i "/home/ly/Documents/movie/AVSS_AB_Easy_Divx.avi" 2>&1 | grep Duration') the return value is tmp = 1 lenstring = '' , lenstring is Empty. And when I jues run: /usr/bin/ffmpeg -i "/home/ly/Documents/movie/AVSS_AB_Easy_Divx.avi" 2>&1 | grep Duration in terminal, the result is " Duration: 00:03:38.96, start: 0.000000, bitrate: 4005 kb/s".
So I think Matlab doesnot call ffmpeg right. and I just: unix('fmpeg') in matlab.result: ffmpeg: error while loading shared libraries: libraw1394.so.8: cannot open shared object file: No such file or directory
ans =
127
Wat does it mean? How can I fix it? Thank you for any help!
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Kaustubha Govind
el 13 de Mzo. de 2012
What do you get when you just run:
>> [status,result] = unix('/usr/bin/ffmpeg -i "/home/ly/Documents/movie/AVSS_AB_Easy_Divx.avi" 2>&1')
It is possible that the system PATH and LD_LIBRARY_PATH are not set up correctly in the MATLAB session. Run the following commands in MATLAB and the system shell and compare the results:
In MATLAB:
>> getenv PATH
>> getenv LD_LIBRARY_PATH
In system shell:
$ printenv PATH
$ printenv LD_LIBRARY_PATH
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