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RE: QTJ and long file names (OS X)

Hi Steve,

Actually the Quick time supports the file name length of 59 Characters. U
can actaull store the file name(f.getFileName) in temporary variable,then
truncate the file name and do the transcoding and after transcoding u can
again rename the file.

In case of any clarification then pls let me know
Thx

Sanjiv


-----Original Message-----
From: email@hidden
[mailto:email@hidden]On Behalf Of Steve Franks
Sent: Wednesday, December 18, 2002 8:35 PM
To: email@hidden
Subject: QTJ and long file names (OS X)


Hi,

I am hacking up a simple app to convert my CDs to MP4, but having
trouble with file names.
Can anyone give me advice on how to write long files names with
createMovieFile (or work around
it somehow)??


Problem one is the output file, created with:
outputFile.createMovieFile(StdQTConstants.kMoviePlayer,
StdQTConstants.createMovieFileDeleteCurFile);

I keep getting QTIOException with error # -37 (Bad File Name) when
writing files with long names.

a) Is there a way to use createMovieFile to create file names longer
than 32 characters under OS X 10.2 ?
I believe this is just a length issues, but from Java I can say:
File testOut = new File(destDir, nameNoExt+"_evenmore.txt"); and
create an even longer file name in the
same location.

If I change:
File outputFile = new File(destDir , nameNoExt + "mp4");
to
File outputFile = new File(destDir , "Song_"+ i + ".mp4");

Then the name is short enough and everything works fine. But, I would
like to keep the song name at
full length of course. I am wary of just truncating the file name to
max length (31?) in case I overwrite
duplicate songs, like:
Some_Very_Very_Long_Obscure_Song_Part_I.mp4
Some_Very_Very_Long_Obscure_Song_Part_II.mp4

in the early days of OS X I remember some carbon apps made some hash
function or
something, truncating file names to "Some_Very_Very_Long_F4D5G.mp4"
(for Part 1)
and "Some_Very_Very_Long_ZXDF3.mp4" (For part 2)

Any thoughts or advice?

Details:

Running Stock OS 10.2.2 with all released updates (not prerelease Java
or QTJ or anything)
on a TiBook800.

Basically, I stick in a CD, iTunes queries the CDDB thing and renames
the CD to the title, and the
individual song files on the CD to the song title. Perfect!

Now I run my program, taking each CD file name, and changing the
extension to .mp4
and replacing spaces with _
For instance, one problem disc has:
Could not create the output
file:/private/tmp/The_Dream_Of_The_Blue_Turtles/
1_If_You_Love_Somebody_Set_Them_Free.mp4
quicktime.io.QTIOException[QTJava:6.0.0g2],(error: -37),QT.vers:6028000
[java] at quicktime.io.QTFile.path2Spec(QTFile.java:496)
[java] at quicktime.io.QTFile.getFSSpec(QTFile.java:280)
[java] at quicktime.io.QTFile.createMovieFile(QTFile.java:379)
[java] at
adenzo.quicktime.audio.ConvertFileToMpeg4.transcode(ConvertFileToMpeg4.j
ava:85)
...

Steve , email@hidden
Perth, WA, Australia
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References: 
 >QTJ and long file names (OS X) (From: Steve Franks <email@hidden>)



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