Mac / UDF (ISO96600) Compatibility

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laotseu63 Posted messages 110 Registration date   Status Member Last intervention   -  
 Anonymous user -
Hello,
Hello,
I am on Linux and I would like to burn a 7GB .avi (MPEG4) video file onto a DVD-9 to send to a Mac owner (with a VLC player).
I usually burn my large files in UDF (ISO 96600) and I would like to know about compatibility with MacOS X, if possible according to the respective generations.
If not, what other solution would allow me to burn this file without splitting it?

Thank you in advance.

P.S: I found this:
https://www.finkproject.org/index.php?phpLang=en
(previously suggested by nasa.gov)
but I would prefer not to scare my recipient with the somewhat complex installation of such software.

2 answers

Anonymous user
 
Hello,

the formats UDF and ISO9660 are not identical.

But in any case, the Mac can read both formats.

The VLC player or better MplayerX have nothing to do with the DVD format, but with the file format. These two things are distinct. And the AVI format is readable by VLC or MplayerX.

Best regards

Have a good day :-) - Francis
Always indicate your exact system configuration and read the entire answer given.
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laotseu63 Posted messages 110 Registration date   Status Member Last intervention   478
 
Hello Francis,
and thank you for this quick response.
My burning software (K3b) can produce closed UDF disks in ISO9660 format by writing the table of contents.
I've been using VLC for a long time and only mentioned it to avoid off-topic answers and because I wanted to specify that it is a video (not to completely exclude "splitting" type solutions, despite my comment on that matter).
I also recently learned that VLC is widely used by Radio-France.
However, I don't know how long Macs have been able to read UDF disks regularly or which version to use.
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Anonymous user
 
It is necessary to distinguish between the format of the medium and the file format.

Medium formats: UDF, ISO9660, Mac OS, etc.

The UDF format (Universal Disk Format) is the standard format for all commercial video DVDs. It is the format that is readable by all commercial standalone DVD players, including the very first standalone players.

The ISO9660 format is another DVD or CD format, also known as ISO or "Data Format". This format is also readable by standalone players that are not very old.

These 2 formats have always been readable by Mac OS.

Note: the type of DVD, DVD 9, refers to a dual-layer DVD with a capacity of 8.5 GB, which may not be readable if the Mac is really, really old. No worries for recent Macs. Mine from early 2009 reads and even burns them.

The Mac can also burn media in the Mac OS format, which will not be readable by a standalone player or by a PC running Windows (unless MacDrive or MacDisk is installed on the PC), even though the files on it would be readable by Windows.

There is no special software to install on the Mac to read the UDF format or the ISO9660 format.

File formats: .avi, .mpeg4, .mpeg2, .divx, .mkv, etc.

VLC or any other software does not concern itself with the format of CDs or DVDs, but only with the file formats found on those DVDs or CDs.

There are enough free and quality players to read all video formats on Mac, such as MPlayerX, which is more efficient than VLC.


So there is no problem using any type of DVD with any file type on it for a Mac user.

EDIT: the link you provided at the very beginning, for Fink, is absolutely not necessary to read a UDF or ISO9660 DVD, nor to read any video file. If the DVD is properly burned, it will be read. Fink is intended to run Linux applications on Mac OS. So it has nothing to do with this.
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laotseu63 Posted messages 110 Registration date   Status Member Last intervention   478
 
Thank you again for this clarification.
Using Linux (and exclusively for a few years), I don't risk confusing file formats and media formats (hard drives, USB drives, cards...).
However, I have never had to burn a file of this size except for my own archiving (for which I also burn data Blu-Rays).
Moreover, DVD Video files are limited to 1 GB max and have very limited quality.
So I have stuck to the "explanations" (warning windows) of my burning software (which has practically no manual).
If I understood correctly, the compatibility issue, if it exists (not with Mac, I understood), would therefore concern these large files...
In any case, I have my answer.
Good evening.

... *which only give me problems in multisession. In the meantime, I will create another topic.
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Anonymous user
 
Just a little comment that this sentence makes me think of:

which only cause me problems in multisession. In the same vein, I will create another topic.


The Mac does not practice multisession burning as it is understood in Windows terminology. I don't know if it's the same under Linux. But I once received a DVD from a Windows user friend that my standalone player couldn't read, and that was because the person who burned the disk forgot to "finalize" the DVD.

On a Mac, this finalization procedure does not exist since multisession burning does not exist. You burn and that's it. However, I don't remember if my Mac could read that unfinalized DVD. On the other hand, I myself had a standalone DVD recorder connected to my TV. It served as my VCR. And that recorder also had to "finalize" DVDs for other players to be able to read them.

So, if the issue is the same as in Windows or with certain standalone players, before giving a burned DVD to anyone, (especially in multisession), you must ensure that it is finalized. Otherwise, there may be issues.
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laotseu63 Posted messages 110 Registration date   Status Member Last intervention   478
 
K3b / Linux works pretty much like Nero / Windows, with similar issues of reading before finalization.
Standalone players often seem to only read the 1st session of finalized discs.

My 2nd issue only concerns BD-R (Blu-Ray) data. I'm using Sony ver 1.3. Everything works fine in single session but, in multi-session, I can't seem to burn beyond the 1st session and I can't quite interpret the crash report. It occurs when starting the burn and it doesn't seem to mention it.
I really don't know where to post this topic on CCM...
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Anonymous user
 
Hello,


Personally, I have noticed significant variations in the success of burns, especially on dual-layer media, depending on the brands of blank media. Each computer uses a burner of a specific brand, with a given beam length precision, and some burners probably work better with certain brands of blank media. In other words, a certain brand of blank DVD may be very good for one burner and very bad for another. In my case, I have always had problems with the Emtec brand, and have never had issues with the Verbatim brand. While it can be the opposite for others.

I will post this request on the Burning forum, here:
https://forums.commentcamarche.net/forum/gravure-23

Even if it's under Linux, the issues are similar.

Best regards
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