libbrasero-media/scsi-read-track-information.h

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
   2 /*
   3  * Libbrasero-media
   4  * Copyright (C) Philippe Rouquier 2005-2009 <bonfire-app@wanadoo.fr>
   5  *
   6  * Libbrasero-media is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * The Libbrasero-media authors hereby grant permission for non-GPL compatible
  12  * GStreamer plugins to be used and distributed together with GStreamer
  13  * and Libbrasero-media. This permission is above and beyond the permissions granted
  14  * by the GPL license by which Libbrasero-media is covered. If you modify this code
  15  * you may extend this exception to your version of the code, but you are not
  16  * obligated to do so. If you do not wish to do so, delete this exception
  17  * statement from your version.
  18  *
  19  * Libbrasero-media is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU Library General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to:
  26  *      The Free Software Foundation, Inc.,
  27  *      51 Franklin Street, Fifth Floor
  28  *      Boston, MA  02110-1301, USA.
  29  */
  30
  31 #include <glib.h>
  32
  33 #include "scsi-base.h"
  34
  35 #ifndef _SCSI_READ_TRACK_INFORMATION_H
  36 #define _SCSI_READ_TRACK_INFORMATION_H
  37
  38 G_BEGIN_DECLS
  39
  40 typedef enum {
  41 BRASERO_SCSI_DATA_MODE_1                        = 0x01,
  42 BRASERO_SCSI_DATA_MODE_2_XA                     = 0x02,
  43 BRASERO_SCSI_DATA_BLOCK_TYPE                    = 0x0F
  44 } BraseroScsiDataMode;
  45
  46 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
  47
  48 struct _BraseroScsiTrackInfo {
  49         uchar len                       [2];
  50
  51         uchar track_num_low;
  52         uchar session_num_low;
  53
  54         uchar reserved0;
  55
  56         uchar track_mode                :4;
  57         uchar copy                      :1;
  58         uchar damage                    :1;
  59         uchar layer_jmp_rcd_status      :2;
  60
  61         uchar data_mode                 :4;
  62         /* the 4 next bits indicate the track status */
  63         uchar fixed_packet              :1;
  64         uchar packet                    :1;
  65         uchar blank                     :1;
  66         uchar reserved_track            :1;
  67
  68         uchar next_wrt_address_valid    :1;
  69         uchar last_recorded_blk_valid   :1;
  70         uchar reserved1                 :6;
  71
  72         uchar start_lba                 [4];
  73         uchar next_wrt_address          [4];
  74         uchar free_blocks               [4];
  75         uchar packet_size               [4];
  76         uchar track_size                [4];
  77         uchar last_recorded_blk         [4];
  78
  79         uchar track_num_high;
  80         uchar session_num_high;
  81
  82         uchar reserved2                 [2];            /* 36 bytes MMC1 */
  83
  84         uchar rd_compat_lba             [4];            /* 40 bytes */
  85         uchar next_layer_jmp            [4];
  86         uchar last_layer_jmp            [4];            /* 48 bytes */
  87 };
  88
  89 #else
  90
  91 struct _BraseroScsiTrackInfo {
  92         uchar len                       [2];
  93
  94         uchar track_num_low;
  95         uchar session_num_low;
  96
  97         uchar reserved0;
  98
  99         uchar layer_jmp_rcd_status      :2;
 100         uchar damage                    :1;
 101         uchar copy                      :1;
 102         uchar track_mode                :4;
 103
 104         /* the 4 next bits indicate the track status */
 105         uchar reserved_track            :1;
 106         uchar blank                     :1;
 107         uchar packet                    :1;
 108         uchar fixed_packet              :1;
 109         uchar data_mode                 :4;
 110
 111         uchar reserved1                 :6;
 112         uchar last_recorded_blk_valid   :1;
 113         uchar next_wrt_address_valid    :1;
 114
 115         uchar start_lba                 [4];
 116         uchar next_wrt_address          [4];
 117         uchar free_blocks               [4];
 118         uchar packet_size               [4];
 119         uchar track_size                [4];
 120         uchar last_recorded_blk         [4];
 121
 122         uchar track_num_high;
 123         uchar session_num_high;
 124
 125         uchar reserved2                 [2];
 126
 127         uchar rd_compat_lba             [4];
 128         uchar next_layer_jmp            [4];
 129         uchar last_layer_jmp            [4];
 130 };
 131
 132 #endif
 133
 134 typedef struct _BraseroScsiTrackInfo BraseroScsiTrackInfo;
 135
 136 #define BRASERO_SCSI_TRACK_NUM(track)           (((track).track_num_high << 8) + (track).track_num_low)
 137 #define BRASERO_SCSI_SESSION_NUM(track)         (((track).session_num_high << 8) + (track).session_num_low)
 138 #define BRASERO_SCSI_TRACK_NUM_PTR(track)       (((track)->track_num_high << 8) + (track)->track_num_low)
 139 #define BRASERO_SCSI_SESSION_NUM_PTR(track)     (((track)->session_num_high << 8) + (track)->session_num_low)
 140
 141 G_END_DECLS
 142
 143 #endif /* _SCSI_READ_TRACK_INFORMATION_H */
 144
 145