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annotate src/cdrom/beos/SDL_syscdrom.cc @ 1572:3a8920cc822b

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author Sam Lantinga <slouken@libsdl.org>
date Tue, 21 Mar 2006 16:04:44 +0000
parents 376665398b25
children 92947e3a18db
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h"
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23
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24 /* Functions for system-level CD-ROM audio control on BeOS
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25 (not completely implemented yet)
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26 */
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27
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28 #include <sys/types.h>
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29 #include <sys/stat.h>
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30 #include <unistd.h>
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31
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32 #include <scsi.h>
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33 #include <Directory.h>
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34 #include <Entry.h>
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35 #include <Path.h>
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36
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37 #include "SDL_cdrom.h"
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38 extern "C" {
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39 #include "../SDL_syscdrom.h"
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40 }
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41
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42 /* Constants to help us get at the SCSI table-of-contents info */
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43 #define CD_NUMTRACKS(toc) toc.toc_data[3]
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44 #define CD_TRACK(toc, track) (&toc.toc_data[6+(track)*8])
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45 #define CD_TRACK_N(toc, track) CD_TRACK(toc, track)[0]
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46 #define CD_TRACK_M(toc, track) CD_TRACK(toc, track)[3]
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47 #define CD_TRACK_S(toc, track) CD_TRACK(toc, track)[4]
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48 #define CD_TRACK_F(toc, track) CD_TRACK(toc, track)[5]
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49
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50 /* Constants to help us get at the SCSI position info */
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51 #define POS_TRACK(pos) pos.position[6]
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52 #define POS_ABS_M(pos) pos.position[9]
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53 #define POS_ABS_S(pos) pos.position[10]
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54 #define POS_ABS_F(pos) pos.position[11]
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55 #define POS_REL_M(pos) pos.position[13]
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56 #define POS_REL_S(pos) pos.position[14]
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57 #define POS_REL_F(pos) pos.position[15]
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58
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59 /* The maximum number of CD-ROM drives we'll detect */
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60 #define MAX_DRIVES 16
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61
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62 /* A list of available CD-ROM drives */
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63 static char *SDL_cdlist[MAX_DRIVES];
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64
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65 /* The system-dependent CD control functions */
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66 static const char *SDL_SYS_CDName(int drive);
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67 static int SDL_SYS_CDOpen(int drive);
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68 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
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69 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
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70 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
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71 static int SDL_SYS_CDPause(SDL_CD *cdrom);
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72 static int SDL_SYS_CDResume(SDL_CD *cdrom);
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73 static int SDL_SYS_CDStop(SDL_CD *cdrom);
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74 static int SDL_SYS_CDEject(SDL_CD *cdrom);
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75 static void SDL_SYS_CDClose(SDL_CD *cdrom);
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76 int try_dir(const char *directory);
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77
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78
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79 /* Check a drive to see if it is a CD-ROM */
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80 static int CheckDrive(char *drive)
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81 {
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82 struct stat stbuf;
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83 int is_cd, cdfd;
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84 device_geometry info;
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85
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86 /* If it doesn't exist, return -1 */
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87 if ( stat(drive, &stbuf) < 0 ) {
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88 return(-1);
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89 }
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90
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91 /* If it does exist, verify that it's an available CD-ROM */
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92 is_cd = 0;
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93 cdfd = open(drive, 0);
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94 if ( cdfd >= 0 ) {
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95 if ( ioctl(cdfd, B_GET_GEOMETRY, &info) == B_NO_ERROR ) {
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96 if ( info.device_type == B_CD ) {
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97 is_cd = 1;
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98 }
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99 }
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100 close(cdfd);
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101 } else {
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102 /* This can happen when the drive is open .. (?) */;
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103 is_cd = 1;
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104 }
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105 return(is_cd);
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106 }
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107
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108 /* Add a CD-ROM drive to our list of valid drives */
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109 static void AddDrive(char *drive)
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110 {
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111 int i;
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112 size_t len;
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113
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114 if ( SDL_numcds < MAX_DRIVES ) {
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115 /* Add this drive to our list */
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116 i = SDL_numcds;
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117 len = SDL_strlen(drive)+1;
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118 SDL_cdlist[i] = (char *)SDL_malloc(len);
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119 if ( SDL_cdlist[i] == NULL ) {
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120 SDL_OutOfMemory();
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121 return;
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122 }
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123 SDL_strlcpy(SDL_cdlist[i], drive, len);
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124 ++SDL_numcds;
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125 #ifdef CDROM_DEBUG
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126 fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
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127 #endif
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128 }
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129 }
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130
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131 /* IDE bus scanning magic */
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diff changeset
132 enum {
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133 IDE_GET_DEVICES_INFO = B_DEVICE_OP_CODES_END + 50,
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134 };
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diff changeset
135 struct ide_ctrl_info {
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diff changeset
136 bool ide_0_present;
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diff changeset
137 bool ide_0_master_present;
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diff changeset
138 bool ide_0_slave_present;
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diff changeset
139 int ide_0_master_type;
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diff changeset
140 int ide_0_slave_type;
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diff changeset
141 bool ide_1_present;
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diff changeset
142 bool ide_1_master_present;
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143 bool ide_1_slave_present;
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144 int ide_1_master_type;
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145 int ide_1_slave_type;
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diff changeset
146 };
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147
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148 int SDL_SYS_CDInit(void)
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149 {
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150 char *SDLcdrom;
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151 int raw_fd;
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152 struct ide_ctrl_info info;
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153
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154 /* Fill in our driver capabilities */
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155 SDL_CDcaps.Name = SDL_SYS_CDName;
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156 SDL_CDcaps.Open = SDL_SYS_CDOpen;
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157 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
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158 SDL_CDcaps.Status = SDL_SYS_CDStatus;
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159 SDL_CDcaps.Play = SDL_SYS_CDPlay;
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160 SDL_CDcaps.Pause = SDL_SYS_CDPause;
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161 SDL_CDcaps.Resume = SDL_SYS_CDResume;
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162 SDL_CDcaps.Stop = SDL_SYS_CDStop;
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163 SDL_CDcaps.Eject = SDL_SYS_CDEject;
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164 SDL_CDcaps.Close = SDL_SYS_CDClose;
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165
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166 /* Look in the environment for our CD-ROM drive list */
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167 SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */
153
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168 if ( SDLcdrom != NULL ) {
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169 char *cdpath, *delim;
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170 size_t len = SDL_strlen(SDLcdrom)+1;
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171 cdpath = SDL_stack_alloc(char, len);
153
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172 if ( cdpath != NULL ) {
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173 SDL_strlcpy(cdpath, SDLcdrom, len);
153
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174 SDLcdrom = cdpath;
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175 do {
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176 delim = SDL_strchr(SDLcdrom, ':');
153
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177 if ( delim ) {
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178 *delim++ = '\0';
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179 }
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180 if ( CheckDrive(SDLcdrom) > 0 ) {
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181 AddDrive(SDLcdrom);
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182 }
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183 if ( delim ) {
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184 SDLcdrom = delim;
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185 } else {
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186 SDLcdrom = NULL;
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187 }
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188 } while ( SDLcdrom );
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189 SDL_stack_free(cdpath);
153
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190 }
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191
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192 /* If we found our drives, there's nothing left to do */
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193 if ( SDL_numcds > 0 ) {
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194 return(0);
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195 }
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196 }
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197
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198 /* Scan the system for CD-ROM drives */
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199 try_dir("/dev/disk");
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200 return 0;
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201 }
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202
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203
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diff changeset
204 int try_dir(const char *directory)
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205 {
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diff changeset
206 BDirectory dir;
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207 dir.SetTo(directory);
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diff changeset
208 if(dir.InitCheck() != B_NO_ERROR) {
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diff changeset
209 return false;
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diff changeset
210 }
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diff changeset
211 dir.Rewind();
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diff changeset
212 BEntry entry;
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diff changeset
213 while(dir.GetNextEntry(&entry) >= 0) {
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diff changeset
214 BPath path;
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diff changeset
215 const char *name;
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diff changeset
216 entry_ref e;
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parents:
diff changeset
217
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diff changeset
218 if(entry.GetPath(&path) != B_NO_ERROR)
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parents:
diff changeset
219 continue;
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diff changeset
220 name = path.Path();
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parents:
diff changeset
221
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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diff changeset
222 if(entry.GetRef(&e) != B_NO_ERROR)
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parents:
diff changeset
223 continue;
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parents:
diff changeset
224
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parents:
diff changeset
225 if(entry.IsDirectory()) {
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diff changeset
226 if(SDL_strcmp(e.name, "floppy") == 0)
153
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diff changeset
227 continue; /* ignore floppy (it is not silent) */
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diff changeset
228 int devfd = try_dir(name);
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parents:
diff changeset
229 if(devfd >= 0)
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diff changeset
230 return devfd;
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parents:
diff changeset
231 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
232 else {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 int devfd;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 device_geometry g;
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parents:
diff changeset
235
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
236 if(SDL_strcmp(e.name, "raw") != 0)
153
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
237 continue; /* ignore partitions */
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parents:
diff changeset
238
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
239 devfd = open(name, O_RDONLY);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 if(devfd < 0)
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 continue;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 if(ioctl(devfd, B_GET_GEOMETRY, &g, sizeof(g)) >= 0) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
244 if(g.device_type == B_CD)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 AddDrive(strdup(name));
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
248 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 close(devfd);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 return B_ERROR;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
254
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 /* General ioctl() CD-ROM command function */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 static int SDL_SYS_CDioctl(int index, int command, void *arg)
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parents:
diff changeset
258 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
259 int okay;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
260 int fd;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
261
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
262 okay = 0;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
263 fd = open(SDL_cdlist[index], 0);
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parents:
diff changeset
264 if ( fd >= 0 ) {
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parents:
diff changeset
265 if ( ioctl(fd, command, arg) == B_NO_ERROR ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
266 okay = 1;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
267 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
268 close(fd);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
269 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
270 return(okay ? 0 : -1);
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parents:
diff changeset
271 }
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diff changeset
272
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diff changeset
273 static const char *SDL_SYS_CDName(int drive)
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parents:
diff changeset
274 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
275 return(SDL_cdlist[drive]);
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parents:
diff changeset
276 }
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parents:
diff changeset
277
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parents:
diff changeset
278 static int SDL_SYS_CDOpen(int drive)
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parents:
diff changeset
279 {
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parents:
diff changeset
280 return(drive);
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diff changeset
281 }
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diff changeset
282
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parents:
diff changeset
283 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
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diff changeset
284 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 int i;
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parents:
diff changeset
286 scsi_toc toc;
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diff changeset
287
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diff changeset
288 if ( SDL_SYS_CDioctl(cdrom->id, B_SCSI_GET_TOC, &toc) == 0 ) {
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diff changeset
289 cdrom->numtracks = CD_NUMTRACKS(toc);
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diff changeset
290 if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
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diff changeset
291 cdrom->numtracks = SDL_MAX_TRACKS;
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diff changeset
292 }
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parents:
diff changeset
293 for ( i=0; i<=cdrom->numtracks; ++i ) {
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diff changeset
294 cdrom->track[i].id = CD_TRACK_N(toc, i);
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diff changeset
295 /* FIXME: How do we tell on BeOS? */
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diff changeset
296 cdrom->track[i].type = SDL_AUDIO_TRACK;
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diff changeset
297 cdrom->track[i].offset = MSF_TO_FRAMES(
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diff changeset
298 CD_TRACK_M(toc, i),
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diff changeset
299 CD_TRACK_S(toc, i),
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diff changeset
300 CD_TRACK_F(toc, i));
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diff changeset
301 cdrom->track[i].length = 0;
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diff changeset
302 if ( i > 0 ) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 cdrom->track[i-1].length =
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diff changeset
304 cdrom->track[i].offset-
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
305 cdrom->track[i-1].offset;
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diff changeset
306 }
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diff changeset
307 }
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parents:
diff changeset
308 return(0);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 } else {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 return(-1);
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parents:
diff changeset
311 }
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parents:
diff changeset
312 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
313
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parents:
diff changeset
314 /* Get CD-ROM status */
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diff changeset
315 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
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diff changeset
316 {
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parents:
diff changeset
317 CDstatus status;
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diff changeset
318 int fd;
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diff changeset
319 int cur_frame;
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diff changeset
320 scsi_position pos;
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parents:
diff changeset
321
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diff changeset
322 fd = open(SDL_cdlist[cdrom->id], 0);
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diff changeset
323 cur_frame = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 if ( fd >= 0 ) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 if ( ioctl(fd, B_SCSI_GET_POSITION, &pos) == B_NO_ERROR ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
326 cur_frame = MSF_TO_FRAMES(
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diff changeset
327 POS_ABS_M(pos), POS_ABS_S(pos), POS_ABS_F(pos));
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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diff changeset
328 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 if ( ! pos.position[1] || (pos.position[1] >= 0x13) ||
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 ((pos.position[1] == 0x12) && (!pos.position[6])) ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 status = CD_STOPPED;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 } else
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 if ( pos.position[1] == 0x11 ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 status = CD_PLAYING;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 } else {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 status = CD_PAUSED;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 close(fd);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 } else {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 status = CD_TRAYEMPTY;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 if ( position ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 *position = cur_frame;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 return(status);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
346 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
347
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 /* Start play */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 int okay;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 int fd;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 scsi_play_position pos;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 okay = 0;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 fd = open(SDL_cdlist[cdrom->id], 0);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 if ( fd >= 0 ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 FRAMES_TO_MSF(start, &pos.start_m, &pos.start_s, &pos.start_f);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 FRAMES_TO_MSF(start+length, &pos.end_m, &pos.end_s, &pos.end_f);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 if ( ioctl(fd, B_SCSI_PLAY_POSITION, &pos) == B_NO_ERROR ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 okay = 1;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 close(fd);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 return(okay ? 0 : -1);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 /* Pause play */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 static int SDL_SYS_CDPause(SDL_CD *cdrom)
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_PAUSE_AUDIO, 0));
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 /* Resume play */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 static int SDL_SYS_CDResume(SDL_CD *cdrom)
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_RESUME_AUDIO, 0));
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 /* Stop play */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 static int SDL_SYS_CDStop(SDL_CD *cdrom)
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_STOP_AUDIO, 0));
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 /* Eject the CD-ROM */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
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387 static int SDL_SYS_CDEject(SDL_CD *cdrom)
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388 {
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389 return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_EJECT, 0));
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390 }
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391
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392 /* Close the CD-ROM handle */
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393 static void SDL_SYS_CDClose(SDL_CD *cdrom)
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394 {
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395 close(cdrom->id);
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396 }
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397
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398 void SDL_SYS_CDQuit(void)
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399 {
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400 int i;
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401
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402 if ( SDL_numcds > 0 ) {
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403 for ( i=0; i<SDL_numcds; ++i ) {
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404 SDL_free(SDL_cdlist[i]);
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405 }
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406 SDL_numcds = 0;
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407 }
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408 }
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409