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-/*
- $Id: sector.h,v 1.3 2005/01/01 02:43:58 rockyb Exp $
-
- Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
- Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-/*!
- \file sector.h
- \brief Things related to CD-ROM layout: tracks, sector sizes, MSFs, LBAs.
-
- A CD-ROM physical sector size is 2048, 2052, 2056, 2324, 2332, 2336,
- 2340, or 2352 bytes long.
-
- Sector types of the standard CD-ROM data formats:
-
-\verbatim
- format sector type user data size (bytes)
- -----------------------------------------------------------------------------
- 1 (Red Book) CD-DA 2352 (CDIO_CD_FRAMESIZE_RAW)
- 2 (Yellow Book) Mode1 Form1 2048 (CDIO_CD_FRAMESIZE)
- 3 (Yellow Book) Mode1 Form2 2336 (M2RAW_SECTOR_SIZE)
- 4 (Green Book) Mode2 Form1 2048 (CDIO_CD_FRAMESIZE)
- 5 (Green Book) Mode2 Form2 2328 (2324+4 spare bytes)
-
-
- The layout of the standard CD-ROM data formats:
- -----------------------------------------------------------------------------
- - audio (red): | audio_sample_bytes |
- | 2352 |
-
- - data (yellow, mode1): | sync - head - data - EDC - zero - ECC |
- | 12 - 4 - 2048 - 4 - 8 - 276 |
-
- - data (yellow, mode2): | sync - head - data |
- | 12 - 4 - 2336 |
-
- - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC |
- | 12 - 4 - 8 - 2048 - 4 - 276 |
-
- - XA data (green, mode2 form2): | sync - head - sub - data - Spare |
- | 12 - 4 - 8 - 2324 - 4 |
-\endverbatim
-
-
-*/
-
-#ifndef _CDIO_SECTOR_H_
-#define _CDIO_SECTOR_H_
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-#include <cdio/types.h>
-
-/*! track modes (Table 350)
- reference: MMC-3 draft revsion - 10g
-*/
-typedef enum {
- AUDIO, /**< 2352 byte block length */
- MODE1, /**< 2048 byte block length */
- MODE1_RAW, /**< 2352 byte block length */
- MODE2, /**< 2336 byte block length */
- MODE2_FORM1, /**< 2048 byte block length */
- MODE2_FORM2, /**< 2324 byte block length */
- MODE2_FORM_MIX, /**< 2336 byte block length */
- MODE2_RAW /**< 2352 byte block length */
-} trackmode_t;
-
-/*! disc modes. The first combined from MMC-3 5.29.2.8 (Send CUESHEET)
- and GNU/Linux /usr/include/linux/cdrom.h and we've added DVD.
- */
-typedef enum {
- CDIO_DISC_MODE_CD_DA, /**< CD-DA */
- CDIO_DISC_MODE_CD_DATA, /**< CD-ROM form 1 */
- CDIO_DISC_MODE_CD_XA, /**< CD-ROM XA form2 */
- CDIO_DISC_MODE_CD_MIXED, /**< Some combo of above. */
- CDIO_DISC_MODE_DVD_ROM, /**< DVD ROM (e.g. movies) */
- CDIO_DISC_MODE_DVD_RAM, /**< DVD-RAM */
- CDIO_DISC_MODE_DVD_R, /**< DVD-R */
- CDIO_DISC_MODE_DVD_RW, /**< DVD-RW */
- CDIO_DISC_MODE_DVD_PR, /**< DVD+R */
- CDIO_DISC_MODE_DVD_PRW, /**< DVD+RW */
- CDIO_DISC_MODE_DVD_OTHER, /**< Unknown/unclassified DVD type */
- CDIO_DISC_MODE_NO_INFO,
- CDIO_DISC_MODE_ERROR
-} discmode_t;
-
-/*! Information that can be obtained through a Read Subchannel
- command.
- */
-#define CDIO_SUBCHANNEL_SUBQ_DATA 0
-#define CDIO_SUBCHANNEL_CURRENT_POSITION 1
-#define CDIO_SUBCHANNEL_MEDIA_CATALOG 2
-#define CDIO_SUBCHANNEL_TRACK_ISRC 3
-
-/*! track flags
- * Q Sub-channel Control Field (4.2.3.3)
- */
-typedef enum {
- NONE = 0x00, /* no flags set */
- PRE_EMPHASIS = 0x01, /* audio track recorded with pre-emphasis */
- COPY_PERMITTED = 0x02, /* digital copy permitted */
- DATA = 0x04, /* data track */
- FOUR_CHANNEL_AUDIO = 0x08, /* 4 audio channels */
- SCMS = 0x10 /* SCMS (5.29.2.7) */
-} flag_t;
-
-#define CDIO_PREGAP_SECTORS 150
-#define CDIO_POSTGAP_SECTORS 150
-
-/*
- Some generally useful CD-ROM information -- mostly based on the above.
- This is from linux.h - not to slight other OS's. This was the first
- place I came across such useful stuff.
-*/
-#define CDIO_CD_MINS 74 /**< max. minutes per CD, not really
- a limit */
-#define CDIO_CD_SECS_PER_MIN 60 /**< seconds per minute */
-#define CDIO_CD_FRAMES_PER_SEC 75 /**< frames per second */
-#define CDIO_CD_SYNC_SIZE 12 /**< 12 sync bytes per raw data frame */
-#define CDIO_CD_CHUNK_SIZE 24 /**< lowest-level "data bytes piece" */
-#define CDIO_CD_NUM_OF_CHUNKS 98 /**< chunks per frame */
-#define CDIO_CD_FRAMESIZE_SUB 96 /**< subchannel data "frame" size */
-#define CDIO_CD_HEADER_SIZE 4 /**< header (address) bytes per raw
- data frame */
-#define CDIO_CD_SUBHEADER_SIZE 8 /**< subheader bytes per raw XA data
- frame */
-#define CDIO_CD_EDC_SIZE 4 /**< bytes EDC per most raw data
- frame types */
-#define CDIO_CD_M1F1_ZERO_SIZE 8 /**< bytes zero per yellow book mode
- 1 frame */
-#define CDIO_CD_ECC_SIZE 276 /**< bytes ECC per most raw data frame
- types */
-#define CDIO_CD_FRAMESIZE 2048 /**< bytes per frame, "cooked" mode */
-#define CDIO_CD_FRAMESIZE_RAW 2352 /**< bytes per frame, "raw" mode */
-#define CDIO_CD_FRAMESIZE_RAWER 2646 /**< The maximum possible returned
- bytes */
-#define CDIO_CD_FRAMESIZE_RAW1 (CDIO_CD_CD_FRAMESIZE_RAW-CDIO_CD_SYNC_SIZE) /*2340*/
-#define CDIO_CD_FRAMESIZE_RAW0 (CDIO_CD_FRAMESIZE_RAW-CDIO_CD_SYNC_SIZE-CDIO_CD__HEAD_SIZE) /*2336*/
-
-/*! "before data" part of raw XA (green, mode2) frame */
-#define CDIO_CD_XA_HEADER (CDIO_CD_HEADER_SIZE+CDIO_CD_SUBHEADER_SIZE)
-
-/*! "after data" part of raw XA (green, mode2 form1) frame */
-#define CDIO_CD_XA_TAIL (CDIO_CD_EDC_SIZE+CDIO_CD_ECC_SIZE)
-
-/*! "before data" sync bytes + header of XA (green, mode2) frame */
-#define CDIO_CD_XA_SYNC_HEADER (CDIO_CD_SYNC_SIZE+CDIO_CD_XA_HEADER)
-
-/*! CD-ROM address types (GNU/Linux e.g. cdrom_tocentry.cdte_format) */
-#define CDIO_CDROM_LBA 0x01 /**< "logical block": first frame is #0 */
-#define CDIO_CDROM_MSF 0x02 /**< "minute-second-frame": binary, not
- BCD here! */
-
-/*! CD-ROM track format types (GNU/Linux cdte_ctrl) */
-#define CDIO_CDROM_DATA_TRACK 0x04
-#define CDIO_CDROM_CDI_TRACK 0x10
-#define CDIO_CDROM_XA_TRACK 0x20
-
-/*! The leadout track is always 0xAA, regardless of # of tracks on
- disc, or what value may be used internally. For example although
- OS X uses a different value for the lead-out track internally than
- given below, programmers should use CDIO_CDROM_LEADOUT_TRACK and
- not worry about this.
- */
-#define CDIO_CDROM_LEADOUT_TRACK 0xAA
-
-#define M2F2_SECTOR_SIZE 2324
-#define M2SUB_SECTOR_SIZE 2332
-#define M2RAW_SECTOR_SIZE 2336
-
-/*! Largest CD track number */
-#define CDIO_CD_MAX_TRACKS 99
-/*! Smallest CD track number */
-#define CDIO_CD_MIN_TRACK_NO 1
-
-/*! Largest CD session number */
-#define CDIO_CD_MAX_SESSIONS 99
-/*! Smallest CD session number */
-#define CDIO_CD_MIN_SESSION_NO 1
-
-/*! Largest LSN in a CD */
-#define CDIO_CD_MAX_LSN 450150
-/*! Smallest LSN in a CD */
-#define CDIO_CD_MIN_LSN -450150
-
-
-#define CDIO_CD_FRAMES_PER_MIN \
- (CDIO_CD_FRAMES_PER_SEC*CDIO_CD_SECS_PER_MIN)
-
-#define CDIO_CD_74MIN_SECTORS (UINT32_C(74)*CDIO_CD_FRAMES_PER_MIN)
-#define CDIO_CD_80MIN_SECTORS (UINT32_C(80)*CDIO_CD_FRAMES_PER_MIN)
-#define CDIO_CD_90MIN_SECTORS (UINT32_C(90)*CDIO_CD_FRAMES_PER_MIN)
-
-#define CDIO_CD_MAX_SECTORS \
- (UINT32_C(100)*CDIO_CD_FRAMES_PER_MIN-CDIO_PREGAP_SECTORS)
-
-#define msf_t_SIZEOF 3
-
-/*!
- Convert an LBA into a string representation of the MSF.
- \warning cdio_lba_to_msf_str returns new allocated string */
-char *cdio_lba_to_msf_str (lba_t lba);
-
-/*!
- Convert an MSF into a string representation of the MSF.
- \warning cdio_msf_to_msf_str returns new allocated string */
-char *cdio_msf_to_str (const msf_t *msf);
-
-/*!
- Convert an LBA into the corresponding LSN.
-*/
-lba_t cdio_lba_to_lsn (lba_t lba);
-
-/*!
- Convert an LBA into the corresponding MSF.
-*/
-void cdio_lba_to_msf(lba_t lba, msf_t *msf);
-
-/*!
- Convert an LSN into the corresponding LBA.
- CDIO_INVALID_LBA is returned if there is an error.
-*/
-lba_t cdio_lsn_to_lba (lsn_t lsn);
-
-/*!
- Convert an LSN into the corresponding MSF.
-*/
-void cdio_lsn_to_msf (lsn_t lsn, msf_t *msf);
-
-/*!
- Convert a MSF into the corresponding LBA.
- CDIO_INVALID_LBA is returned if there is an error.
-*/
-lba_t cdio_msf_to_lba (const msf_t *msf);
-
-/*!
- Convert a MSF into the corresponding LSN.
- CDIO_INVALID_LSN is returned if there is an error.
-*/
-lsn_t cdio_msf_to_lsn (const msf_t *msf);
-
-/*!
- Convert a MSF - broken out as 3 integer components into the
- corresponding LBA.
- CDIO_INVALID_LBA is returned if there is an error.
-*/
-lba_t cdio_msf3_to_lba (unsigned int minutes, unsigned int seconds,
- unsigned int frames);
-
-/*!
- Convert a string of the form MM:SS:FF into the corresponding LBA.
- CDIO_INVALID_LBA is returned if there is an error.
-*/
-lba_t cdio_mmssff_to_lba (const char *psz_mmssff);
-
-/*!
- Return true if discmode is some sort of CD.
-*/
-bool cdio_is_discmode_cdrom (discmode_t discmode);
-
-/*!
- Return true if discmode is some sort of DVD.
-*/
-bool cdio_is_discmode_dvd (discmode_t discmode);
-
-
-#ifdef __cplusplus
- }
-#endif
-
-static inline bool discmode_is_cd(discmode_t discmode)
-{
- switch (discmode) {
- case CDIO_DISC_MODE_CD_DA:
- case CDIO_DISC_MODE_CD_DATA:
- case CDIO_DISC_MODE_CD_XA:
- case CDIO_DISC_MODE_CD_MIXED:
- return true;
- default:
- return false;
- }
-}
-
-static inline bool discmode_is_dvd(discmode_t discmode)
-{
- switch (discmode) {
- case CDIO_DISC_MODE_DVD_ROM:
- case CDIO_DISC_MODE_DVD_RAM:
- case CDIO_DISC_MODE_DVD_R:
- case CDIO_DISC_MODE_DVD_RW:
- case CDIO_DISC_MODE_DVD_PR:
- case CDIO_DISC_MODE_DVD_PRW:
- case CDIO_DISC_MODE_DVD_OTHER:
- return true;
- default:
- return false;
- }
-}
-
-
-#endif /* _CDIO_SECTOR_H_ */
-
-
-/*
- * Local variables:
- * c-file-style: "gnu"
- * tab-width: 8
- * indent-tabs-mode: nil
- * End:
- */
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