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Updated DVD-R[W] write mode description

ZeroThreeEight
Thomas Schmitt 16 years ago
parent
commit
794d1ee712
  1. 42
      cdrskin/cdrskin.1

42
cdrskin/cdrskin.1

@ -54,6 +54,18 @@ Bus scan, burnfree, speed options, retrieving media info, padding, fifo.
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See section EXAMPLES at the end of this text.
.PP
.B General information paragraphs:
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Track recording model
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Recordable CD Media
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Sequentially Recordable DVD Media
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Overwriteable DVD Media
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Drive preparation and addressing
.PP
.B Track recording model:
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The input-output entities which get processed are called tracks.
@ -131,16 +143,9 @@ Newly purchased DVD-RW and DVD-R media are in this state.
Used DVD-RW get into blank sequential state by option
.B blank=deformat_sequential .
.br
Incremental Streaming is the default write mode if it is offered by the media.
It may be selected explicitely by option
.B -tao
as it resembles much CD TAO by allowing track sources of
unpredicted length and to keep media appendable by option
.B -multi .
The only restriction towards CD-R[W] is the lack of support for -audio tracks.
Multiple tracks per session are permissible.
Two write modes may be available:
.br
The other write mode, DAO, has many restrictions. It does not work with
Mode DAO has many restrictions. It does not work with
appendable media, allows no -multi and only a single track. The size of the
track needs to be known in advance. So either its source has to be a disk file
of recognizable size or the size has to be announced explicitely by options
@ -148,12 +153,21 @@ of recognizable size or the size has to be announced explicitely by options
or
.B tao_to_sao_tsize= .
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DAO is the default mode for media which do not offer feature 21h Incremental
Streaming. It may also be selected explicitely by option
DAO is the only mode for media which do not offer feature 21h Incremental
Streaming. DAO may also be selected explicitely by option
.B -sao .
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Program growisofs uses DAO on sequential DVD-R[W] media for maximum
DVD-ROM/-Video compatibility.
.br
The other mode, Incremental Streaming, is the default write mode if
it is available and if the restrictions of DAO would prevent the job.
Incremental Streaming may be selected explicitely by option
.B -tao
as it resembles much CD TAO by allowing track sources of
unpredicted length and to keep media appendable by option
.B -multi .
The only restriction towards CD-R[W] is the lack of support for -audio tracks.
Multiple tracks per session are permissible.
.PP
.B Overwriteable DVD Media:
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@ -184,7 +198,9 @@ by a run of \fBcdrskin --devices\fP.
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On Linux, they are device files which traditionally do not offer
w-permissions for normal users. Because libburn needs rw-permission,
it might be only the superuser who is able to get this list without further
it might be only the
.B superuser
who is able to get this list without further
precautions.
.br
It is consensus that \fBchmod a+rw /dev/sg0\fP or \fBchmod a+rw /dev/hdc\fP

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