Why does the read function occasionally freeze MATLAB?
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I'm reading in frames of a video, and for some reason, occasionally the program will just stop reading in frames and MATLAB will freeze. Is there anyway I can fix this? Thank you!
videoObject = mmreader('5A-5D_OCT_2012.wmv');
videoObject.NumberOfFrames;
sugarVideo = read(videoObject,inf);
numberOfFrames = videoObject.NumberOfFrames;
n = rand(1,numberOfFrames);
sugar = cell(1,numberOfFrames);
for r=1:numberOfFrames
n(r) = r;
end
for r = 1:numberOfFrames
sugar{r}= read(videoObject, n(r));
if r==400 || r>=460
r
end
end
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Answers (1)
Jason Ross
on 12 Feb 2013
Edited: Jason Ross
on 12 Feb 2013
When the "freeze" happens, has your machine exhausted the amount of RAM it has and started using virtual memory (aka swap)? You can check this using Task Manager -- if the RAM amount is maxed out, you are using disk to act as memory, which is considerably slower.
Do other programs also slow to a crawl as well, or just MATLAB?
Does it ever recover?
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