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Tips for MMC RAW mode writing.
This allows to do disk at once recording on Philips drives that
do not support SAO.
You may write audio tracks in RAW mode. There are some new
and most likely transient options:
-raw16 Write 2352 Bytes sectors + P+Q Subchannel
-raw96r Write 2352 Bytes sectors + P+W Subchannel (R-W in raw mode)
-raw96p Write 2352 Bytes sectors + P+W Subchannel (R-W in packed mode)
NOTE that the MMC standard does not allow -dummy in RAW mode.
There may be drives which allow it but don't bother if it does not work.
Indices are fully supported in RAW mode.
MCN & ISRC are not yet supported in RAW mode, they are silently discarded.
If you find other problems in RAW mode or if you find
new bugs introduced in old write modes, please send a bug report.
wodim now checks the properties of the writer. If a specific write
mode is not supported by the writer, wodim warns you and makes
a suggestion for a similar alternate write mode.
With the curent structure of wodim, it is not possible to silently
e.g. change the write mode from -dao to -raw96r
MMC compliant drives are automatically scanned for supported write modes.
This should help to make wodim work without manual static configuration.
My hope is still to have no need to know all drive properties in
advance, so new drives will continue to work as long as they
are standard compliant enough for wodim.
EXAMPLES:
wodim dev=1,0 -v -raw96r *.wav
will write a audio CD in raw mode using (computed) 2448 byte sectors
with raw P-W subchannels. This works e.g. with Plextor drives.
wodim dev=1,0 -v -raw16 *.wav
will write a audio CD in raw mode using (computed) 2368 byte sectors
with raw P+Q subchannels. This works e.g. with Philips drives.
NOTE: The input sector size always is 2352 bytes for audio.
IMPORTANT:
- if the drive supports RAW/R96R among with other raw write modes,
use -raw96r
- if the drive does _only_ supports RAW/R16, use -raw16
- ... else if the drive supports RAW/R96P, use -raw96p
The packed raw mode (RAW/R96P) is buggy in Plextor drives and
the RAW/R16 mode is buggy in TEAC drives. Plextor creates
unreadable disks and TEAC hangs the drive.
For this reason, it is important to select the raw writing
mode accoding to the notes above.
Source: README.raw from cdrtools package
Edited for cdrkit by Christian Fromme <kaner@strace.org>
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