claunia/libcdio-osx
Archived
1
0
Fork 0
Code Issues 2 Pull Requests Actions Packages Projects Releases Wiki Activity

Small modifications.

Browse Source
This commit is contained in:
rocky
2004-02-25 02:04:22 +00:00
parent baf7565300
commit b590d1f2e4
1 changed files with 26 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
doc/libcdio.texi
View File

@@ -2,7 +2,7 @@
@c %**start of header @c %**start of header
@setfilename libcdio.info @setfilename libcdio.info
@settitle The GNU Compact Disck Input and Control library @settitle The GNU Compact Disc Input and Control library
@setchapternewpage on @setchapternewpage on
@c %**end of header @c %**end of header
@@ -46,7 +46,7 @@ development.''
@titlepage @titlepage
@title GNU libcdio library @title GNU libcdio library
@subtitle $Id: libcdio.texi,v 1.12 2004/02/22 13:27:18 rocky Exp $ @subtitle $Id: libcdio.texi,v 1.13 2004/02/25 02:04:22 rocky Exp $
@author Rocky Bernstein et al. @author Rocky Bernstein et al.
@page @page
@@ -209,8 +209,8 @@ to by the color of the cover on the specification.
@node Red Book @node Red Book
@section Red Book @section Red Book
The first type of CD that was produced was the Compact Disc Digital The first type of CD that was produced was the Compact Disc Digital
Audio (CD-DA) or just plain ``audio CD''. The specification is Audio (CD-DA) or just plain ``audio CD''. The specification, ICE 908,
commonly called the ``Red Book''. Music CD's are recorded in this is commonly called the ``Red Book''. Music CD's are recorded in this
format which basically allows for around 74 minutes of audio per disc format which basically allows for around 74 minutes of audio per disc
and for that information to be split up into tracks. Tracks are broken and for that information to be split up into tracks. Tracks are broken
up into "sectors" and each sector contains 2,352 bytes. To play one up into "sectors" and each sector contains 2,352 bytes. To play one
@@ -221,9 +221,9 @@ routine @code{cdio_read_audio_sector()}.
@node Yellow Book @node Yellow Book
@section Yellow Book @section Yellow Book
The CD-ROM specification or the ``Yellow Book'' followed a few years later The CD-ROM specification or the ``Yellow Book'' followed a few years
and describes the extension of CD's to store computer data, later (Standards ISO/IEC 10149), and describes the extension of CD's
i.e. CD-ROM (Compact Disk Read Only Memory). to store computer data, i.e. CD-ROM (Compact Disk Read Only Memory).
The specification in the Yellow Book defines two modes: Mode1 and The specification in the Yellow Book defines two modes: Mode1 and
Mode2. Mode2.
@@ -288,27 +288,29 @@ System semantics.
@node Mode1 @node Mode1
@subsection Mode1 @subsection Mode1
Mode 1 is the data storage mode used by to store computer Mode 1 is the data storage mode used by to store computer data. There
data. The data is laid out in basically the same way as in and audio are 3 layers of error correction. A Compact Disc using only this format can
CD format, except that the 2,352 bytes of data in each block are hold at most 650 MB. The data is laid out in basically the same way as
broken down further. 2,048 of these bytes are for "real" data. The in and audio CD format, except that the 2,352 bytes of data in each
other 304 bytes are used for an additional level of error detecting block are broken down further. 2,048 of these bytes are for "real"
and correcting code. This is necessary because data CDs cannot data. The other 304 bytes are used for an additional level of error
tolerate the loss of a handful of bits now and then, the way audio detecting and correcting code. This is necessary because data CDs
CDs can. cannot tolerate the loss of a handful of bits now and then, the way
audio CDs can.
@node Mode2 @node Mode2
@subsection Mode2 @subsection Mode2
Mode 2 data CDs are the same as mode 1 CDs except that the error Mode 2 data CDs are the same as mode 1 CDs except that the error
detecting and correcting codes are omitted. This is similar to audio detecting and correcting codes are omitted. So still there are 2
CDs, i.e. the mode 2 format provides a more flexible vehicle for layers of error correction. A Compact Disc using only this mode can
storing types of data that do not require high data integrity: for thus hold at most 742 MB. Similar to audio CDs, the mode 2 format
example, graphics and video can use this format. But in contrast to provides a more flexible vehicle for storing types of data that do not
the Red book standard, different modes can be mixed together; this is require high data integrity: for example, graphics and video can use
the basis for the extensions to the original data CD standards known this format. But in contrast to the Red Book standard, different modes
as CD-ROM Extended Architecture, or CD-ROM XA. CD-ROM XA formats can be mixed together; this is the basis for the extensions to the
currently in use are CD-I Bridge formats, Photo CD and Video CD plus original data CD standards known as CD-ROM Extended Architecture, or
Sony's Playstation. CD-ROM XA. CD-ROM XA formats currently in use are CD-I Bridge
formats, Photo CD and Video CD plus Sony's Playstation.
@node White Book @node White Book
@section White Book @section White Book