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At 1/14/2004 05:09 PM, stu seven wrote:
> I'm having a serious problem with PDF files... not in
>producing them, but in archiving these on CDs.
>
> The problem occurs ONLY when trying to burn a CD
>with mixed-format PDFs... font text WITH some kind of
>graphic file included on the page (i.e, a small JPG)...
> ...further, the problem ONLY occurs when I try to mix this
>variety of files with "regular" files... simple JPGs, plain text
>files, etc...
> ...this is to say, with a directory full of the combined
>font/and/graphic PDFs, no problem is encountered producing
>a CD... whereas any attempt to burn this directory with
>a mix of other files ALWAYS fails. I have a variety of empty
>CD cases if anyone is interested :)
>
> There are in fact several work-arounds... one of which was
>already mentioned... but of course, what I want is simply to
>save all my files, as they are, in their original directories on the
>hard drive, to the CD.
>
> It's an odd problem... and, again, if ALL your documents
>are of the same format and style, this wont occur.
>
> I have the same problem with cdrecord/mkisofs or
>with commercial CD programs. Sorting files and burning
>smaller CDs is currently the only solution I've found.
>
> Anybody encountered this before... or, better yet,
>know the solution ? It does seem to be PDF-specific.
At Adobe we have NEVER heard of anything like the symptoms you
describe.
The process of "burning" a CD should never involve looking
"inside" a file; i.e., it is not a content or context-sensitive
operation. The CD authoring programs simply copy the bytes from
the file in large chunks from your disk drive to the CDR drive.
Thus, the contents of the file are not the likely cause of whatever
your problem is. Your description could also apply to a situation
in which the time to access, open, and read long fragmented files
in combination with a large number of other small files scattered
on a drive causes a CDR buffer underflow. Usually, the best way
of handling CDR burning is to create an image first and burn
from the CDR image. In some programs, you can set this an
option to be taken care of automatically.
You give very little information about your environment or the
symptoms. What OS and version? I don't know what you mean by
"cdrecord/mkisofs", but what other "commercial CD programs"
are you using? What CDR drive?
And what is the failure mode? You say it "ALWAYS fails" -- how?
What else are you running at the same time?
- Dov
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