annotate src/cdrom/mint/SDL_syscdrom.c @ 769:b8d311d90021

Updated copyright information for 2004 (Happy New Year!)
author Sam Lantinga <slouken@libsdl.org>
date Sun, 04 Jan 2004 16:49:27 +0000
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children 604d73db6802
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /*
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24 Atari MetaDOS CD-ROM functions
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25
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26 Patrice Mandin
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27 */
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28
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29 #include <errno.h>
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30 #include <stdio.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33
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34 #include <cdromio.h>
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35 #include <metados.h>
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36
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37 #include "SDL_error.h"
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38 #include "SDL_cdrom.h"
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39 #include "SDL_syscdrom.h"
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40
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41 /* Some ioctl() errno values which occur when the tray is empty */
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42 #ifndef ENOMEDIUM
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43 #define ENOMEDIUM ENOENT
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44 #endif
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45 #define ERRNO_TRAYEMPTY(errno) \
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46 ((errno == EIO) || (errno == ENOENT) || \
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47 (errno == EINVAL) || (errno == ENOMEDIUM))
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48
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49 /* The maximum number of CD-ROM drives we'll detect */
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50 #define MAX_DRIVES 32
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51
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52 typedef struct {
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53 unsigned char device[3]; /* Physical device letter + ':' + '\0' */
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54 metaopen_t metaopen; /* Infos on opened drive */
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55 } metados_drive_t;
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56
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57 static metados_drive_t metados_drives[MAX_DRIVES];
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58
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59 /* The system-dependent CD control functions */
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60 static const char *SDL_SYS_CDName(int drive);
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61 static int SDL_SYS_CDOpen(int drive);
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62 static void SDL_SYS_CDClose(SDL_CD *cdrom);
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63 static int SDL_SYS_CDioctl(int id, int command, void *arg);
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64 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
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65 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
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66 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
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67 static int SDL_SYS_CDPause(SDL_CD *cdrom);
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68 static int SDL_SYS_CDResume(SDL_CD *cdrom);
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69 static int SDL_SYS_CDStop(SDL_CD *cdrom);
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70 static int SDL_SYS_CDEject(SDL_CD *cdrom);
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71
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72 int SDL_SYS_CDInit(void)
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73 {
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74 metainit_t metainit={0,0,0,0};
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75 metaopen_t metaopen;
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76 int i, handle;
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77 struct cdrom_subchnl info;
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78
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79 Metainit(&metainit);
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80 if (metainit.version == NULL) {
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81 #ifdef DEBUG_CDROM
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82 fprintf(stderr, "MetaDOS not installed\n");
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83 #endif
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84 return -1;
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85 }
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86
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87 if (metainit.drives_map == 0) {
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88 #ifdef DEBUG_CDROM
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89 fprintf(stderr, "No MetaDOS devices present\n");
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90 #endif
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91 return -1;
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92 }
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93
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94 SDL_numcds = 0;
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95
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96 for (i='A'; i<='Z'; i++) {
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97 metados_drives[SDL_numcds].device[0] = 0;
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98 metados_drives[SDL_numcds].device[1] = ':';
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99 metados_drives[SDL_numcds].device[2] = 0;
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100
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101 if (metainit.drives_map & (1<<(i-'A'))) {
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102 handle = Metaopen(i, &metaopen);
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103 if (handle == 0) {
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104
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105 info.cdsc_format = CDROM_MSF;
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106 if ( (Metaioctl(i, METADOS_IOCTL_MAGIC, CDROMSUBCHNL, &info) == 0) || ERRNO_TRAYEMPTY(errno) ) {
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107 metados_drives[SDL_numcds].device[0] = i;
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108 ++SDL_numcds;
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109 }
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110
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111 Metaclose(i);
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112 }
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113 }
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114 }
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115
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116 /* Fill in our driver capabilities */
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117 SDL_CDcaps.Name = SDL_SYS_CDName;
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118 SDL_CDcaps.Open = SDL_SYS_CDOpen;
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119 SDL_CDcaps.Close = SDL_SYS_CDClose;
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120
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121 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
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122 SDL_CDcaps.Status = SDL_SYS_CDStatus;
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123 SDL_CDcaps.Play = SDL_SYS_CDPlay;
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124 SDL_CDcaps.Pause = SDL_SYS_CDPause;
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125 SDL_CDcaps.Resume = SDL_SYS_CDResume;
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126 SDL_CDcaps.Stop = SDL_SYS_CDStop;
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127 SDL_CDcaps.Eject = SDL_SYS_CDEject;
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128
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129 return 0;
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130 }
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131
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132 void SDL_SYS_CDQuit(void)
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133 {
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134 SDL_numcds = 0;
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135 }
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136
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137 static const char *SDL_SYS_CDName(int drive)
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138 {
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139 return(metados_drives[drive].device);
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140 }
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141
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142 static int SDL_SYS_CDOpen(int drive)
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143 {
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144 int handle;
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145
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146 handle = Metaopen(metados_drives[drive].device[0], &(metados_drives[drive].metaopen));
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147 if (handle == 0) {
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148 return drive;
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149 }
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150
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151 return -1;
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152 }
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153
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154 static void SDL_SYS_CDClose(SDL_CD *cdrom)
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155 {
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156 Metaclose(metados_drives[cdrom->id].device[0]);
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157 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
158
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
159 static int SDL_SYS_CDioctl(int id, int command, void *arg)
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
160 {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
161 int retval;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
162
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
163 retval = Metaioctl(metados_drives[id].device[0], METADOS_IOCTL_MAGIC, command, arg);
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
164 if ( retval < 0 ) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
165 SDL_SetError("ioctl() error: %s", strerror(errno));
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
166 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
167 return(retval);
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
168 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
169
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Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
170 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
171 {
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Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
172 int i,okay;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
173 struct cdrom_tochdr toc;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
174 struct cdrom_tocentry entry;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
175
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
176 /* Use standard ioctl() */
6b3dfe0198bb Atari CD-ROM support
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parents:
diff changeset
177 if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc)<0) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
178 return -1;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
179 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
180
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
181 cdrom->numtracks = toc.cdth_trk1-toc.cdth_trk0+1;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
182 if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
183 cdrom->numtracks = SDL_MAX_TRACKS;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
184 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
185
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
186 /* Read all the track TOC entries */
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Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
187 okay=1;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
188 for ( i=0; i<=cdrom->numtracks; ++i ) {
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Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
189 if ( i == cdrom->numtracks ) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
190 cdrom->track[i].id = CDROM_LEADOUT;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
191 } else {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
192 cdrom->track[i].id = toc.cdth_trk0+i;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
193 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
194 entry.cdte_track = cdrom->track[i].id;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
195 entry.cdte_format = CDROM_MSF;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
196 if ( SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCENTRY, &entry) < 0 ) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
197 okay=0;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
198 break;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
199 } else {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
200 if ( entry.cdte_ctrl & CDROM_DATA_TRACK ) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
201 cdrom->track[i].type = SDL_DATA_TRACK;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
202 } else {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
203 cdrom->track[i].type = SDL_AUDIO_TRACK;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
204 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
205 cdrom->track[i].offset = MSF_TO_FRAMES(
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
206 entry.cdte_addr.msf.minute,
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
207 entry.cdte_addr.msf.second,
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
208 entry.cdte_addr.msf.frame);
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
209 cdrom->track[i].length = 0;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
210 if ( i > 0 ) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
211 cdrom->track[i-1].length = cdrom->track[i].offset-cdrom->track[i-1].offset;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
212 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
213 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
214 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
215
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
216 return(okay ? 0 : -1);
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
217 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
218
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
219 /* Get CD-ROM status */
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
220 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
221 {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
222 CDstatus status;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
223 struct cdrom_tochdr toc;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
224 struct cdrom_subchnl info;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
225
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
226 info.cdsc_format = CDROM_MSF;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
227 if ( SDL_SYS_CDioctl(cdrom->id, CDROMSUBCHNL, &info) < 0 ) {
727
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
228 if ( ERRNO_TRAYEMPTY(errno) ) {
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
229 status = CD_TRAYEMPTY;
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
230 } else {
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
231 status = CD_ERROR;
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
232 }
724
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
233 } else {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
234 switch (info.cdsc_audiostatus) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
235 case CDROM_AUDIO_INVALID:
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
236 case CDROM_AUDIO_NO_STATUS:
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
237 /* Try to determine if there's a CD available */
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
238 if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc)==0) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
239 status = CD_STOPPED;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
240 } else {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
241 status = CD_TRAYEMPTY;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
242 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
243 break;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
244 case CDROM_AUDIO_COMPLETED:
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
245 status = CD_STOPPED;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
246 break;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
247 case CDROM_AUDIO_PLAY:
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
248 status = CD_PLAYING;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
249 break;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
250 case CDROM_AUDIO_PAUSED:
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
251 /* Workaround buggy CD-ROM drive */
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
252 if ( info.cdsc_trk == CDROM_LEADOUT ) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
253 status = CD_STOPPED;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
254 } else {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
255 status = CD_PAUSED;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
256 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
257 break;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
258 default:
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
259 status = CD_ERROR;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
260 break;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
261 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
262 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
263 if ( position ) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
264 if ( status == CD_PLAYING || (status == CD_PAUSED) ) {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
265 *position = MSF_TO_FRAMES(
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
266 info.cdsc_absaddr.msf.minute,
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
267 info.cdsc_absaddr.msf.second,
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
268 info.cdsc_absaddr.msf.frame);
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
269 } else {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
270 *position = 0;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
271 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
272 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
273 return(status);
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
274 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
275
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
276 /* Start play */
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
277 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
278 {
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
279 struct cdrom_msf playtime;
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
280
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
281 FRAMES_TO_MSF(start,
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
282 &playtime.cdmsf_min0, &playtime.cdmsf_sec0, &playtime.cdmsf_frame0);
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
283 FRAMES_TO_MSF(start+length,
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
284 &playtime.cdmsf_min1, &playtime.cdmsf_sec1, &playtime.cdmsf_frame1);
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
285 #ifdef DEBUG_CDROM
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
286 fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n",
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
287 playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0,
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
288 playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1);
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
289 #endif
727
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
290
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
291 return SDL_SYS_CDioctl(cdrom->id, CDROMPLAYMSF, &playtime);
724
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
292 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
293
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
294 /* Pause play */
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
295 static int SDL_SYS_CDPause(SDL_CD *cdrom)
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
296 {
727
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
297 return SDL_SYS_CDioctl(cdrom->id, CDROMPAUSE, 0);
724
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
298 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
299
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
300 /* Resume play */
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
301 static int SDL_SYS_CDResume(SDL_CD *cdrom)
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
302 {
727
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
303 return SDL_SYS_CDioctl(cdrom->id, CDROMRESUME, 0);
724
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
304 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
305
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
306 /* Stop play */
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
307 static int SDL_SYS_CDStop(SDL_CD *cdrom)
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
308 {
727
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
diff changeset
309 return SDL_SYS_CDioctl(cdrom->id, CDROMSTOP, 0);
724
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
310 }
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
311
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
312 /* Eject the CD-ROM */
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
313 static int SDL_SYS_CDEject(SDL_CD *cdrom)
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
314 {
727
cb1208fcd946 Update MiNT CD-ROM driver
Patrice Mandin <patmandin@gmail.com>
parents: 724
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315 return SDL_SYS_CDioctl(cdrom->id, CDROMEJECT, 0);
724
6b3dfe0198bb Atari CD-ROM support
Patrice Mandin <patmandin@gmail.com>
parents:
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316 }