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Re: [Libcdio-devel] Re: Retrieving DATA session from multisession audio

From: Eric Shattow
Subject: Re: [Libcdio-devel] Re: Retrieving DATA session from multisession audio disc
Date: Thu, 18 Feb 2010 14:38:07 -0700

The theory on really old cd audio players: they read the first session
(audio), ignore other sessions (data).

Does the command output I provided indicate what modes my CD-EXTRA
disc sessions are?  It is a commercially distributed CD-EXTRA disc
ARTIST:"8mm" / ALBUM:"Songs to love and die by".  I have other
CD-EXTRA albums to check if you need more info.

I will look for other recipes to produce a CD-EXTRA disc.

On Thu, Feb 18, 2010 at 3:48 AM, Thomas Schmitt <address@hidden> wrote:
> Hi,
>> # cdrecord dev=0,0 fs=4m speed=4 -v -multi -audio list_of_audio_tracks
> A conventional multi-session run.
> So far so good.
>> # cdrecord dev=0,0 -msinfo
>> 0,148754
> Here we learn the Next Writeable Address of the
> media.
>> mkisofs and the -C command line parameter
>> # cdrecord dev=0,0 speed=8 fs=16mb -v -eject your_iso_filesystem.iso
> That will be a TAO session with CD-ROM Mode 1
> sectors.
> Known to work fine ... but:
> Reader devices do not necessarily expect a
> mix of audio and Mode 1.
> The CD-XA specs are said to demand that all
> tracks in such a mix have to be Mode 2 Form 1
> or Form 2. (One can find traces in MMC and
> in ECMA-168.)
> On a computer you can expect this to be well
> readble. But what about older CD players ?
> The cdrecord recipie i am looking for would
> use options like -xa1 , -xa2 , -raw ...
> Important is to get a confirmation that the
> result really complies to the semi-secret specs.
> I could then use cdrecord -V to learn about
> the involved MMC commands.
> Have a nice day :)
> Thomas

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