Re: copying files with bad CRCs
- From: "Rod Speed" <rod.speed.aaa@xxxxxxxxx>
- Date: Thu, 29 Jun 2006 06:57:43 +1000
yawnmoth <terra1024@xxxxxxxxx> wrote:
Say I wanted to copy a *.avi video file (xvid encoded; it's currently
on a hard drive)) but was told (by Windows XP) I couldn't because it
had a bad CRC. Is there a way I could sorta just copy it in spite of
the bad CRC?
The reason I ask is because xvid (and MPEG1/2/4, in general) is a
rather resiliant format. A single corrupt byte may just mean that one
frame is bad. If every 20th frame is a keyframes (ie. i-frames, or
whatever), this means that only 20 - (frame position) % 20 frames are
bad. If there are 100,000+ frames, having less then 20 bad frames is
fairly insignificant.
Trouble is that Win is saying you have a bad
sector in that file. Thats quite a few bytes, 512
Yet it's significant enough for Windows
to deny you access to the whole file?
Its not denying you access, thats what the Abort Retry Fail is for.
So, anyway, I think, in some cases, Windows' seeming
refusal to let you do anything with corrupt files is inappropriate.
Is there any work-around that I'm not aware of?
Spinrite claims to try hard to get what is obtainable from the file.
.
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