sector.h

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/*
    $Id: sector_8h-source.html,v 1.19 2006/10/27 11:16:41 rocky Exp $

    Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
    Copyright (C) 2003, 2004, 2005, 2006 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
*/

#ifndef _CDIO_SECTOR_H_
#define _CDIO_SECTOR_H_

#ifdef __cplusplus
    extern "C" {
#endif

#include <cdio/types.h>

#define CDIO_SUBCHANNEL_SUBQ_DATA               0
#define CDIO_SUBCHANNEL_CURRENT_POSITION        1
#define CDIO_SUBCHANNEL_MEDIA_CATALOG           2
#define CDIO_SUBCHANNEL_TRACK_ISRC              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
      
      extern enum cdio_cd_enums {
        CDIO_CD_MINS =              74,   
        CDIO_CD_SECS_PER_MIN =      60,   
        CDIO_CD_FRAMES_PER_SEC =    75,   
        CDIO_CD_SYNC_SIZE =         12,   
        CDIO_CD_CHUNK_SIZE =        24,   
        CDIO_CD_NUM_OF_CHUNKS =     98,   
        CDIO_CD_FRAMESIZE_SUB =     96,   
        CDIO_CD_HEADER_SIZE =        4,   
        CDIO_CD_SUBHEADER_SIZE =     8,   
        CDIO_CD_ECC_SIZE =         276,   
        CDIO_CD_FRAMESIZE =       2048,   
        CDIO_CD_FRAMESIZE_RAW =   2352,   
        CDIO_CD_FRAMESIZE_RAWER = 2646,   
        CDIO_CD_FRAMESIZE_RAW1  = 2340,
        CDIO_CD_FRAMESIZE_RAW0  = 2336,
        CDIO_CD_MAX_SESSIONS =      99, 
        CDIO_CD_MIN_SESSION_NO =     1,   
        CDIO_CD_MAX_LSN =       450150,   
        CDIO_CD_MIN_LSN      = -450150,   
      } cdio_cd_enums;
        
#define CDIO_CD_MINS              74   
#define CDIO_CD_SECS_PER_MIN      60   
#define CDIO_CD_FRAMES_PER_SEC    75   
#define CDIO_CD_SYNC_SIZE         12   
#define CDIO_CD_CHUNK_SIZE        24   
#define CDIO_CD_NUM_OF_CHUNKS     98   
#define CDIO_CD_FRAMESIZE_SUB     96   
#define CDIO_CD_HEADER_SIZE        4   
#define CDIO_CD_SUBHEADER_SIZE     8   
#define CDIO_CD_EDC_SIZE           4   
#define CDIO_CD_M1F1_ZERO_SIZE     8   
#define CDIO_CD_ECC_SIZE         276   
#define CDIO_CD_FRAMESIZE       2048   
#define CDIO_CD_FRAMESIZE_RAW   2352   
#define CDIO_CD_FRAMESIZE_RAWER 2646   
#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_HEADER_SIZE) /*2336*/
      
#define CDIO_CD_XA_HEADER (CDIO_CD_HEADER_SIZE+CDIO_CD_SUBHEADER_SIZE) 
      
#define CDIO_CD_XA_TAIL   (CDIO_CD_EDC_SIZE+CDIO_CD_ECC_SIZE) 
      
#define CDIO_CD_XA_SYNC_HEADER   (CDIO_CD_SYNC_SIZE+CDIO_CD_XA_HEADER) 
      
      extern const uint8_t CDIO_SECTOR_SYNC_HEADER[CDIO_CD_SYNC_SIZE];
      extern enum m2_sector_enums {
        M2F2_SECTOR_SIZE  = 2324,
        M2SUB_SECTOR_SIZE = 2332,
        M2RAW_SECTOR_SIZE = 2336
      } m2_sector_enums;
      
#define M2F2_SECTOR_SIZE    2324
#define M2SUB_SECTOR_SIZE   2332
#define M2RAW_SECTOR_SIZE   2336
      
#define CDIO_CD_MAX_SESSIONS    99 

#define CDIO_CD_MIN_SESSION_NO   1
      
#define CDIO_CD_MAX_LSN   450150

#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
      
      char *cdio_lba_to_msf_str (lba_t i_lba);
      
      char *cdio_msf_to_str (const msf_t *p_msf);
      
      lba_t cdio_lba_to_lsn (lba_t i_lba);
      
      void  cdio_lba_to_msf(lba_t i_lba, msf_t *p_msf);
      
      lba_t cdio_lsn_to_lba (lsn_t i_lsn);
      
      void  cdio_lsn_to_msf (lsn_t i_lsn, msf_t *p_msf);
      
      lba_t cdio_msf_to_lba (const msf_t *p_msf);
      
      lsn_t cdio_msf_to_lsn (const msf_t *p_msf);
      
      lba_t cdio_msf3_to_lba (unsigned int minutes, unsigned int seconds, 
                              unsigned int frames);
      
      lba_t cdio_mmssff_to_lba (const char *psz_mmssff);
      
#ifdef __cplusplus
    }
#endif

#endif /* _CDIO_SECTOR_H_ */


/* 
 * Local variables:
 *  c-file-style: "gnu"
 *  tab-width: 8
 *  indent-tabs-mode: nil
 * End:
 */

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