Help me get a patch into Wine -> Mac cdrom issue

[Charles Davis]

Emmanuel Maillard wrote:
> Hi,
> 
> For peoples interested with cd-rom support on Mac OS X, i think that you
> need to investigated in IOKit,
> especially in SCSITaskDeviceInterface and MMCDeviceInterface.
> 
> Emmanuel
I know. I have patches for all that. Did I not just write an email back
to Roderick talking about the SCSITaskDevice?
> 
> 
> Le 14 oct. 2009 à 17:50, Roderick Colenbrander a écrit :
> 
>> Hi,
>>
>> I don't know much about the cd-rom stuff on osx but I expect there are
>> much more issues of which some are more severe than this (and the
>> solution might fix all the issues). I believe that on osx there is no
>> such thing as direct cd-rom access (anymore) and due to this I think
>> wine can't read audio tracks, neither can we write CDs from Wine or
>> read special data tracks needed for e.g. copy protections. As far as I
>> remember Transgaming wrote their own cd-rom driver for this, so
>> perhaps that's the direction we should head into as well else we will
>> never get copy protections working on OSX.
>>
>> Roderick
>>
>> On Wed, Oct 14, 2009 at 5:02 PM,  <Joerg-Cyril.Hoehle at t-systems.com>
>> wrote:
>>> Chip,
>>>
>>> I had hoped that your patch would allow mcicda to work,
>>> cf. bug #20323, alas it is not so.  Instead I get to see
>>>
>>> ERR("This version of Mac OS X does not support IOCDAudioControl"
>>> on Leopard.
>>>
>>> I googled slightly and found a message from 2004:
>>> http://lists.apple.com/archives/darwin-drivers/2004/Jul/msg00049.html
>>>> IOCDAudioControl is deprecated if not obsolete.
>>>
>>> Therefore I believe the user should not be bothered with a reference
>>> to something deprecated half a decade ago and unavailable.  A
>>> subsequent patch to a simple FIXME("NIY\n") would be enough.
>>> Please leave IOCDAudioControl in a comment in the code at most.
>>>
>>> Reading further, it looks like there's nothing to read audio CDs
>>> anymore.  Instead, developers are recommended to take advantage of
>>> the cddafs, which mounts all audio tracks as
>>> "/Volumes/Audio-CD/01 Titel 1.aiff" and to play those files with
>>> CoreAudio instead.
>>> I've checked that mixed CDs with both data files and audio tracks let
>>> 2 CD icons appear on the Finder's desktop, e.g. /Volumes/ABC/ and
>>> /Volumes/Audio-CD/
>>>
>>> So I wonder whether mcicda on Mac OS should forward calls to
>>> waveaudio and play .aiff files instead.  I don't know how ntdll and
>>> the mountmgr etc. could be changed to accomodate the separation in two
>>> volumes, i.e. how to map both /Volumes/ABC and /Volumes/Audio-CD/ to D:\
>>>
>>> Regards,
>>>        Jörg Höhle.
>>>
>>>
>>>
>>
>>
> 
Chip