On Fri, 08 Sep 2000 22:01:50 +0200, Andreas Mueller wrote:
>Can you please check where the faulty code is located (maybe a stack
>trace is enough). I guess it is a library which is statically linked
>to the cdrdao executable because I'm always compiling without special
>Intel optimizations.
I can't really tell where the problem is. There isn't any debug info in the file and
a stack
trace just gives some addresses. gdb managed to ignore my best efforts to
dissassemble the code
around the exception.
Send me a binary with debugging info included.
>> How hard would it be to add a --verify option that went back and double checked the
>audio
>> stream so I can play with various modes and see what works best?
>
>I've no idea how to let a program determine if audio data is OK :)
>I think the algorithms of cdparanoia try to do something like that
>but I'm not familiar with it. Would be an interesting option.
I was thinking something simple like just re-reading the info and then comparing it
with what's
in the file previously read. Of course if the player read it wrong once then whos to
say that
it won't read it incorrect the second time. I would guess that the odds of being
incorrect in
exactly the same way are pretty small though. Perhaps an optional number to the
command (e.g
--verfiy 2) indicates how many times to re-read the frame and compare. Then keep a
running
total of how many frames had different values. You could also compute the std
deiviation of the
error as well but I don't know how usefull that would be.
A re-read verify option would also let you take some known wav's, build a test image,
burn that
image to disk and then run the verify over and over to see it you always get an exact
match back
from the read. Can you send cdrdao output to stdout?
>> My sucessfull burn used mode 1 (jitter correction only) for the read and then
>burned at 4x
>> and created what seems to be my first flawless CD-TEXT CD.
>
>Can you verify if the CD-TEXT data is OK? Do you have a consumer
>CD-player with CD-TEXT capabilities?
Yes... I have a sony cd changer that does CD-TEXT and it worked great. That's the
reason I want
to reburn about 200 CD's. That way I don't have to enter the info into the changer by
hand and
allows you to move cd positions. Without CD-TEXT if you change locations of the CD
you lose any
info you entered.
--
Richard A. Smith Bitworks, Inc.
[EMAIL PROTECTED] 501.846.5777
Sr. Design Engineer http://www.bitworks.com
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