Can't access a music CD

[Alexander Best]

On Fri Oct 14 11, Polytropon wrote:
> On Thu, 13 Oct 2011 22:03:29 +0000, Alexander Best wrote:
> > On Thu Oct 13 11, Polytropon wrote:
> > > On Thu, 13 Oct 2011 16:25:24 +0000, Alexander Best wrote:
> > > > ano ther thought might be to implement an audio cd filesystem, so one could do
> > > > 'mount -o audiocdfs /dev/cd0 /media/cd' and then all tracks appear as RAW pcm
> > > > audio files. maybe fuse comes with something like this?
> > > 
> > > What about /dev/acd0t[01,02,03,...] - aren't those supposed
> > > to represent the individual audio tracks that could then be
> > > interpreted as what they basically are, raw pcm (of cd-audio
> > > specification)?
> > 
> > i inserted an audio cd and they didn't turn up. i guess ATA_CAM doesn't support
> > individual nodes for tracks.
> 
> When using the (now default) CAM methods (ATAPICAM), I think
> this is true.
> 
> Example with a regular music CD:
> 
> % cdcontrol info
> Starting track = 1, ending track = 19, TOC size = 162 bytes
> track     start  duration   block  length   type
> -------------------------------------------------
>     1   0:02.00   2:05.01       0    9376  audio
>     2   2:07.01   1:45.53    9376    7928  audio
>     3   3:52.54   2:37.49   17304   11824  audio
>     4   6:30.28   1:52.00   29128    8400  audio
>     5   8:22.28   2:08.29   37528    9629  audio
>     6  10:30.57   2:23.01   47157   10726  audio
>     7  12:53.58   4:01.01   57883   18076  audio
>     8  16:54.59   3:12.37   75959   14437  audio
>     9  20:07.21   2:09.00   90396    9675  audio
>    10  22:16.21   4:19.67  100071   19492  audio
>    11  26:36.13   3:28.00  119563   15600  audio
>    12  30:04.13   3:48.73  135163   17173  audio
>    13  33:53.11   3:51.38  152336   17363  audio
>    14  37:44.49   1:27.72  169699    6597  audio
>    15  39:12.46   2:15.15  176296   10140  audio
>    16  41:27.61   2:35.01  186436   11626  audio
>    17  44:02.62   2:11.00  198062    9825  audio
>    18  46:13.62   2:37.01  207887   11776  audio
>    19  48:50.63   2:48.01  219663   12601  audio
>   170  51:38.64         -  232264       -      -

cdcontrol> info
Starting track = 1, ending track = 9, TOC size = 82 bytes
track     start  duration   block  length   type
-------------------------------------------------
    1   0:02.00   5:58.35       0   26885  audio
    2   6:00.35   5:06.06   26885   22956  audio
    3  11:06.41   5:40.57   49841   25557  audio
    4  16:47.23   5:52.37   75398   26437  audio
    5  22:39.60   4:14.09  101835   19059  audio
    6  26:53.69   5:16.25  120894   23725  audio
    7  32:10.19   3:14.54  144619   14604  audio
    8  35:24.73   6:24.15  159223   28815  audio
    9  41:49.13   6:16.51  188038   28251  audio
  170  48:05.64         -  216289       -      -

> 
> % ls /dev/acd0*
> /dev/acd0     /dev/acd0t04  /dev/acd0t08  /dev/acd0t12  /dev/acd0t16
> /dev/acd0t01  /dev/acd0t05  /dev/acd0t09  /dev/acd0t13  /dev/acd0t17
> /dev/acd0t02  /dev/acd0t06  /dev/acd0t10  /dev/acd0t14  /dev/acd0t18
> /dev/acd0t03  /dev/acd0t07  /dev/acd0t11  /dev/acd0t15  /dev/acd0t19

otaku% ls|grep cd
cd0
cdrom

> 
> % ls /dev/cd0*
> /dev/cd0
> 
> Maybe obtaining a TOC listing of the CD is required to make the
> track files appear? However, they are only present for the ATAPI
> based access (acd0), not for the "SCSI" CAM based one (cd0).
> 
> 
> 
> 
> -- 
> Polytropon
> Magdeburg, Germany
> Happy FreeBSD user since 4.0
> Andra moi ennepe, Mousa, ...