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annotate src/cdrom/beos/SDL_syscdrom.cc @ 1401:1819fd069e89

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author Sam Lantinga <slouken@libsdl.org>
date Tue, 21 Feb 2006 08:34:45 +0000
parents 19418e4422cb
children 376665398b25
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
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23 /* Functions for system-level CD-ROM audio control on BeOS
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24 (not completely implemented yet)
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25 */
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26
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27 #include <sys/types.h>
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28 #include <sys/stat.h>
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29 #include <unistd.h>
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30
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31 #include <scsi.h>
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32 #include <Directory.h>
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33 #include <Entry.h>
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34 #include <Path.h>
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35
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36 #include "SDL_cdrom.h"
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37 extern "C" {
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38 #include "../SDL_syscdrom.h"
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39 }
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40
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41 /* Constants to help us get at the SCSI table-of-contents info */
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42 #define CD_NUMTRACKS(toc) toc.toc_data[3]
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43 #define CD_TRACK(toc, track) (&toc.toc_data[6+(track)*8])
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44 #define CD_TRACK_N(toc, track) CD_TRACK(toc, track)[0]
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45 #define CD_TRACK_M(toc, track) CD_TRACK(toc, track)[3]
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46 #define CD_TRACK_S(toc, track) CD_TRACK(toc, track)[4]
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47 #define CD_TRACK_F(toc, track) CD_TRACK(toc, track)[5]
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48
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49 /* Constants to help us get at the SCSI position info */
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50 #define POS_TRACK(pos) pos.position[6]
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51 #define POS_ABS_M(pos) pos.position[9]
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52 #define POS_ABS_S(pos) pos.position[10]
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53 #define POS_ABS_F(pos) pos.position[11]
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54 #define POS_REL_M(pos) pos.position[13]
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55 #define POS_REL_S(pos) pos.position[14]
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56 #define POS_REL_F(pos) pos.position[15]
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57
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58 /* The maximum number of CD-ROM drives we'll detect */
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59 #define MAX_DRIVES 16
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60
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61 /* A list of available CD-ROM drives */
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62 static char *SDL_cdlist[MAX_DRIVES];
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63
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64 /* The system-dependent CD control functions */
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65 static const char *SDL_SYS_CDName(int drive);
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66 static int SDL_SYS_CDOpen(int drive);
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67 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
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68 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
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69 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
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70 static int SDL_SYS_CDPause(SDL_CD *cdrom);
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71 static int SDL_SYS_CDResume(SDL_CD *cdrom);
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72 static int SDL_SYS_CDStop(SDL_CD *cdrom);
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73 static int SDL_SYS_CDEject(SDL_CD *cdrom);
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74 static void SDL_SYS_CDClose(SDL_CD *cdrom);
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75 int try_dir(const char *directory);
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76
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77
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78 /* Check a drive to see if it is a CD-ROM */
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79 static int CheckDrive(char *drive)
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80 {
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81 struct stat stbuf;
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82 int is_cd, cdfd;
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83 device_geometry info;
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84
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85 /* If it doesn't exist, return -1 */
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86 if ( stat(drive, &stbuf) < 0 ) {
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87 return(-1);
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88 }
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89
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90 /* If it does exist, verify that it's an available CD-ROM */
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91 is_cd = 0;
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92 cdfd = open(drive, 0);
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93 if ( cdfd >= 0 ) {
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94 if ( ioctl(cdfd, B_GET_GEOMETRY, &info) == B_NO_ERROR ) {
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95 if ( info.device_type == B_CD ) {
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96 is_cd = 1;
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97 }
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98 }
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99 close(cdfd);
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100 } else {
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101 /* This can happen when the drive is open .. (?) */;
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102 is_cd = 1;
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103 }
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104 return(is_cd);
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105 }
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106
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107 /* Add a CD-ROM drive to our list of valid drives */
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108 static void AddDrive(char *drive)
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109 {
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110 int i;
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111
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112 if ( SDL_numcds < MAX_DRIVES ) {
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113 /* Add this drive to our list */
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114 i = SDL_numcds;
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115 SDL_cdlist[i] = (char *)SDL_malloc(SDL_strlen(drive)+1);
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116 if ( SDL_cdlist[i] == NULL ) {
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117 SDL_OutOfMemory();
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118 return;
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119 }
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120 SDL_strcpy(SDL_cdlist[i], drive);
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121 ++SDL_numcds;
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122 #ifdef CDROM_DEBUG
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123 fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
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124 #endif
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125 }
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126 }
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127
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128 /* IDE bus scanning magic */
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diff changeset
129 enum {
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130 IDE_GET_DEVICES_INFO = B_DEVICE_OP_CODES_END + 50,
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131 };
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132 struct ide_ctrl_info {
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133 bool ide_0_present;
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134 bool ide_0_master_present;
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135 bool ide_0_slave_present;
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136 int ide_0_master_type;
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137 int ide_0_slave_type;
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138 bool ide_1_present;
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139 bool ide_1_master_present;
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140 bool ide_1_slave_present;
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141 int ide_1_master_type;
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142 int ide_1_slave_type;
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143 };
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144
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145 int SDL_SYS_CDInit(void)
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146 {
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147 char *SDLcdrom;
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148 int raw_fd;
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149 struct ide_ctrl_info info;
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150
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151 /* Fill in our driver capabilities */
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152 SDL_CDcaps.Name = SDL_SYS_CDName;
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153 SDL_CDcaps.Open = SDL_SYS_CDOpen;
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154 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
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155 SDL_CDcaps.Status = SDL_SYS_CDStatus;
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156 SDL_CDcaps.Play = SDL_SYS_CDPlay;
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157 SDL_CDcaps.Pause = SDL_SYS_CDPause;
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158 SDL_CDcaps.Resume = SDL_SYS_CDResume;
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159 SDL_CDcaps.Stop = SDL_SYS_CDStop;
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160 SDL_CDcaps.Eject = SDL_SYS_CDEject;
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161 SDL_CDcaps.Close = SDL_SYS_CDClose;
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162
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163 /* Look in the environment for our CD-ROM drive list */
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164 SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */
153
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165 if ( SDLcdrom != NULL ) {
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166 char *cdpath, *delim;
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167 cdpath = (char *)SDL_malloc(SDL_strlen(SDLcdrom)+1);
153
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168 if ( cdpath != NULL ) {
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169 SDL_strcpy(cdpath, SDLcdrom);
153
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170 SDLcdrom = cdpath;
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171 do {
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172 delim = SDL_strchr(SDLcdrom, ':');
153
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173 if ( delim ) {
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174 *delim++ = '\0';
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175 }
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176 if ( CheckDrive(SDLcdrom) > 0 ) {
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177 AddDrive(SDLcdrom);
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178 }
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179 if ( delim ) {
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180 SDLcdrom = delim;
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181 } else {
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182 SDLcdrom = NULL;
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183 }
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184 } while ( SDLcdrom );
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185 SDL_free(cdpath);
153
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186 }
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187
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188 /* If we found our drives, there's nothing left to do */
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189 if ( SDL_numcds > 0 ) {
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190 return(0);
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191 }
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192 }
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193
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194 /* Scan the system for CD-ROM drives */
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195 try_dir("/dev/disk");
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196 return 0;
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197 }
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198
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199
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200 int try_dir(const char *directory)
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201 {
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202 BDirectory dir;
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203 dir.SetTo(directory);
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diff changeset
204 if(dir.InitCheck() != B_NO_ERROR) {
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205 return false;
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206 }
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207 dir.Rewind();
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diff changeset
208 BEntry entry;
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diff changeset
209 while(dir.GetNextEntry(&entry) >= 0) {
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diff changeset
210 BPath path;
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211 const char *name;
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diff changeset
212 entry_ref e;
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diff changeset
213
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214 if(entry.GetPath(&path) != B_NO_ERROR)
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215 continue;
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216 name = path.Path();
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diff changeset
217
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diff changeset
218 if(entry.GetRef(&e) != B_NO_ERROR)
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diff changeset
219 continue;
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diff changeset
220
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diff changeset
221 if(entry.IsDirectory()) {
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222 if(SDL_strcmp(e.name, "floppy") == 0)
153
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parents:
diff changeset
223 continue; /* ignore floppy (it is not silent) */
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diff changeset
224 int devfd = try_dir(name);
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diff changeset
225 if(devfd >= 0)
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diff changeset
226 return devfd;
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diff changeset
227 }
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diff changeset
228 else {
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diff changeset
229 int devfd;
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diff changeset
230 device_geometry g;
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diff changeset
231
1336
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diff changeset
232 if(SDL_strcmp(e.name, "raw") != 0)
153
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parents:
diff changeset
233 continue; /* ignore partitions */
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parents:
diff changeset
234
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
235 devfd = open(name, O_RDONLY);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
236 if(devfd < 0)
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 continue;
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parents:
diff changeset
238
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 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
240 if(g.device_type == B_CD)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 AddDrive(strdup(name));
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 }
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parents:
diff changeset
244 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 close(devfd);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
247 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 return B_ERROR;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
250
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
251
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
252 /* General ioctl() CD-ROM command function */
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parents:
diff changeset
253 static int SDL_SYS_CDioctl(int index, int command, void *arg)
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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 int okay;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 int fd;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
257
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
258 okay = 0;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 fd = open(SDL_cdlist[index], 0);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
260 if ( fd >= 0 ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 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
262 okay = 1;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 close(fd);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 return(okay ? 0 : -1);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
268
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
269 static const char *SDL_SYS_CDName(int drive)
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 return(SDL_cdlist[drive]);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
273
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 static int SDL_SYS_CDOpen(int drive)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
276 return(drive);
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parents:
diff changeset
277 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
278
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
279 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 int i;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 scsi_toc toc;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 if ( SDL_SYS_CDioctl(cdrom->id, B_SCSI_GET_TOC, &toc) == 0 ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 cdrom->numtracks = CD_NUMTRACKS(toc);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
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parents:
diff changeset
287 cdrom->numtracks = SDL_MAX_TRACKS;
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parents:
diff changeset
288 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 for ( i=0; i<=cdrom->numtracks; ++i ) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 cdrom->track[i].id = CD_TRACK_N(toc, i);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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parents:
diff changeset
291 /* FIXME: How do we tell on BeOS? */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 cdrom->track[i].type = SDL_AUDIO_TRACK;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 cdrom->track[i].offset = MSF_TO_FRAMES(
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 CD_TRACK_M(toc, i),
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 CD_TRACK_S(toc, i),
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
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diff changeset
296 CD_TRACK_F(toc, i));
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
297 cdrom->track[i].length = 0;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 if ( i > 0 ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 cdrom->track[i-1].length =
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 cdrom->track[i].offset-
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 cdrom->track[i-1].offset;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 return(0);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 } else {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 return(-1);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 /* Get CD-ROM status */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 CDstatus status;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 int fd;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 int cur_frame;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 scsi_position pos;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 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
319 cur_frame = 0;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 if ( fd >= 0 ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 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
322 cur_frame = MSF_TO_FRAMES(
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 POS_ABS_M(pos), POS_ABS_S(pos), POS_ABS_F(pos));
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 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
326 ((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
327 status = CD_STOPPED;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 } else
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] == 0x11 ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 status = CD_PLAYING;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 } else {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 status = CD_PAUSED;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 close(fd);
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_TRAYEMPTY;
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 if ( position ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 *position = cur_frame;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 return(status);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 /* Start play */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 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
346 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 int okay;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 int fd;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 scsi_play_position pos;
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 okay = 0;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 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
353 if ( fd >= 0 ) {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 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
355 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
356 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
357 okay = 1;
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 close(fd);
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 return(okay ? 0 : -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
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 /* Pause play */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 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
366 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 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
368 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 /* Resume play */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 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
372 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 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
374 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 /* Stop play */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 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
378 {
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 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
380 }
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 /* Eject the CD-ROM */
2839f45bdba0 Fixed IDE and SCSI CD-ROM detection on BeOS (thanks Caz!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 static int SDL_SYS_CDEject(SDL_CD *cdrom)
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 return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_EJECT, 0));
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386 }
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387
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388 /* Close the CD-ROM handle */
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389 static void SDL_SYS_CDClose(SDL_CD *cdrom)
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390 {
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391 close(cdrom->id);
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392 }
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393
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394 void SDL_SYS_CDQuit(void)
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395 {
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396 int i;
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397
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398 if ( SDL_numcds > 0 ) {
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399 for ( i=0; i<SDL_numcds; ++i ) {
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400 SDL_free(SDL_cdlist[i]);
153
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401 }
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402 SDL_numcds = 0;
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403 }
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404 }
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405