[ExtractStream] UK 2.5.5 upgrade (Updated Info)

[Edmond E. Shwayri]

Actually that should make no difference at all. ExtractStream is simply 
trying to copy a file from the TiVo's MFS partition to somewhere else. It 
does not care (nor should it) what is in this file. It is simply trying to 
find this file on the TiVos MFS partitions. The errors you are seeing are 
most probably caused by ExtractStream not finding the correct location of 
the sectors on the hard drive and thereby creating a 
corrupted file. ExtractStream does NOT work on all TiVos. Its 
calculation algorithm is known to fail on DirecTivos and on newer Sony 
SVR2000s (like mine). There is a program called mfs_copy (I can't remember 
the exact name) on Tridge's site that seems to be the authority on how to 
do it right.

At 06:16 PM 4/2/02, you wrote:
>All,
>
>Well it looks like ExtractStream works (partly) to give the correct
>output. I say partly as I have my Tivo configured for VBR encoding.
>I managed to extract a file off from before the upgrade with no
>problems, however, all new files have errors in them. To add some
>correlation to this it looks like the lower the quality setting the
>worse the errors.
>
>Having looked through the code for extractstream I believe it assumes
>fixed length headers and blocks etc. obviously this doesn't work
>with VBR, so I've switch it off and set the quality back to 'Best' to
>see if that makes any difference.
>
>Other than that it looks like everyone in the US will get stuffed by
>this one, when you go over to VBR encoding
>
>Jim
>
>
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