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annotate src/cdrom/openbsd/SDL_syscdrom.c @ 2218:6cc82cad8b77

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1.3 video API design chat
author Sam Lantinga <slouken@libsdl.org>
date Tue, 07 Aug 2007 07:08:25 +0000
parents c121d94672cb
children e27bdcc80744
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 #ifdef SDL_CDROM_OPENBSD
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25
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26 /* Functions for system-level CD-ROM audio control */
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27
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28 #include <sys/types.h>
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29 #include <sys/ioctl.h>
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30 #include <sys/stat.h>
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31 #include <fcntl.h>
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32 #include <errno.h>
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33 #include <unistd.h>
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34 #include <sys/ioctl.h>
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35 #include <sys/cdio.h>
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36
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37 #include "SDL_cdrom.h"
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38 #include "../SDL_syscdrom.h"
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39
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40
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41 /* The maximum number of CD-ROM drives we'll detect */
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42 #define MAX_DRIVES 16
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43
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44 /* A list of available CD-ROM drives */
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45 static char *SDL_cdlist[MAX_DRIVES];
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46 static dev_t SDL_cdmode[MAX_DRIVES];
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47
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48 /* The system-dependent CD control functions */
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49 static const char *SDL_SYS_CDName(int drive);
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50 static int SDL_SYS_CDOpen(int drive);
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51 static int SDL_SYS_CDGetTOC(SDL_CD * cdrom);
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52 static CDstatus SDL_SYS_CDStatus(SDL_CD * cdrom, int *position);
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53 static int SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length);
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54 static int SDL_SYS_CDPause(SDL_CD * cdrom);
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55 static int SDL_SYS_CDResume(SDL_CD * cdrom);
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56 static int SDL_SYS_CDStop(SDL_CD * cdrom);
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57 static int SDL_SYS_CDEject(SDL_CD * cdrom);
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58 static void SDL_SYS_CDClose(SDL_CD * cdrom);
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59
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60 /* Some ioctl() errno values which occur when the tray is empty */
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61 #define ERRNO_TRAYEMPTY(errno) \
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62 ((errno == EIO) || (errno == ENOENT) || (errno == EINVAL) || \
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63 (errno == ENODEV))
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64
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65 /* Check a drive to see if it is a CD-ROM */
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66 static int
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67 CheckDrive(char *drive, struct stat *stbuf)
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68 {
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69 int is_cd, cdfd;
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70 struct ioc_read_subchannel info;
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71
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72 /* If it doesn't exist, return -1 */
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73 if (stat(drive, stbuf) < 0) {
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74 return (-1);
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75 }
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76
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77 /* If it does exist, verify that it's an available CD-ROM */
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78 is_cd = 0;
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79 if (S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode)) {
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80 cdfd = open(drive, (O_RDONLY | O_EXCL | O_NONBLOCK), 0);
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81 if (cdfd >= 0) {
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82 info.address_format = CD_MSF_FORMAT;
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83 info.data_format = CD_CURRENT_POSITION;
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84 info.data_len = 0;
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85 info.data = NULL;
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86 /* Under Linux, EIO occurs when a disk is not present.
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87 This isn't 100% reliable, so we use the USE_MNTENT
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88 code above instead.
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89 */
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90 if ((ioctl(cdfd, CDIOCREADSUBCHANNEL, &info) == 0) ||
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91 ERRNO_TRAYEMPTY(errno)) {
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92 is_cd = 1;
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93 }
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94 close(cdfd);
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95 } else if (ERRNO_TRAYEMPTY(errno))
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96 is_cd = 1;
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97 }
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98 return (is_cd);
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99 }
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100
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101 /* Add a CD-ROM drive to our list of valid drives */
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102 static void
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103 AddDrive(char *drive, struct stat *stbuf)
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104 {
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105 int i;
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106
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107 if (SDL_numcds < MAX_DRIVES) {
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108 /* Check to make sure it's not already in our list.
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109 This can happen when we see a drive via symbolic link.
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110 */
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111 for (i = 0; i < SDL_numcds; ++i) {
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112 if (stbuf->st_rdev == SDL_cdmode[i]) {
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113 #ifdef DEBUG_CDROM
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114 fprintf(stderr, "Duplicate drive detected: %s == %s\n",
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115 drive, SDL_cdlist[i]);
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116 #endif
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117 return;
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118 }
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119 }
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120
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121 /* Add this drive to our list */
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122 i = SDL_numcds;
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123 SDL_cdlist[i] = SDL_strdup(drive);
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124 if (SDL_cdlist[i] == NULL) {
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125 SDL_OutOfMemory();
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126 return;
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127 }
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128 SDL_cdmode[i] = stbuf->st_rdev;
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129 ++SDL_numcds;
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130 #ifdef DEBUG_CDROM
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131 fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
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132 #endif
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133 }
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134 }
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135
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136 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
137 SDL_SYS_CDInit(void)
0
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138 {
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139 static char *checklist[] = {
1402
d910939febfa Use consistent identifiers for the various platforms we support.
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diff changeset
140 #if defined(__OPENBSD__)
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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141 "?0 cd?c", "cdrom", NULL
1402
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142 #elif defined(__NETBSD__)
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143 "?0 cd?d", "?0 cd?c", "cdrom", NULL
1
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144 #else
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145 "?0 cd?c", "?0 acd?c", "cdrom", NULL
1
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146 #endif
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147 };
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148 char *SDLcdrom;
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diff changeset
149 int i, j, exists;
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150 char drive[32];
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151 struct stat stbuf;
0
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152
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153 /* Fill in our driver capabilities */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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154 SDL_CDcaps.Name = SDL_SYS_CDName;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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155 SDL_CDcaps.Open = SDL_SYS_CDOpen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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156 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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157 SDL_CDcaps.Status = SDL_SYS_CDStatus;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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158 SDL_CDcaps.Play = SDL_SYS_CDPlay;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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159 SDL_CDcaps.Pause = SDL_SYS_CDPause;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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160 SDL_CDcaps.Resume = SDL_SYS_CDResume;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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161 SDL_CDcaps.Stop = SDL_SYS_CDStop;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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162 SDL_CDcaps.Eject = SDL_SYS_CDEject;
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163 SDL_CDcaps.Close = SDL_SYS_CDClose;
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164
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165 /* Look in the environment for our CD-ROM drive list */
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166 SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */
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167 if (SDLcdrom != NULL) {
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168 char *cdpath, *delim;
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169 size_t len = SDL_strlen(SDLcdrom) + 1;
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170 cdpath = SDL_stack_alloc(char, len);
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171 if (cdpath != NULL) {
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172 SDL_strlcpy(cdpath, SDLcdrom, len);
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173 SDLcdrom = cdpath;
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174 do {
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175 delim = SDL_strchr(SDLcdrom, ':');
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176 if (delim) {
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177 *delim++ = '\0';
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178 }
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179 if (CheckDrive(SDLcdrom, &stbuf) > 0) {
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180 AddDrive(SDLcdrom, &stbuf);
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181 }
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182 if (delim) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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183 SDLcdrom = delim;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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184 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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185 SDLcdrom = NULL;
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186 }
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187 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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188 while (SDLcdrom);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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189 SDL_stack_free(cdpath);
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190 }
0
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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) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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194 return (0);
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195 }
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196 }
0
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197
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198 /* Scan the system for CD-ROM drives */
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199 for (i = 0; checklist[i]; ++i) {
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200 if (checklist[i][0] == '?') {
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201 char *insert;
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202 exists = 1;
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203 for (j = checklist[i][1]; exists; ++j) {
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204 SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s",
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205 &checklist[i][3]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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206 insert = SDL_strchr(drive, '?');
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207 if (insert != NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
208 *insert = j;
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diff changeset
209 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
210 switch (CheckDrive(drive, &stbuf)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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211 /* Drive exists and is a CD-ROM */
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diff changeset
212 case 1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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213 AddDrive(drive, &stbuf);
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214 break;
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diff changeset
215 /* Drive exists, but isn't a CD-ROM */
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diff changeset
216 case 0:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
217 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
218 /* Drive doesn't exist */
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diff changeset
219 case -1:
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diff changeset
220 exists = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
221 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
222 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
223 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
224 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
225 SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
226 checklist[i]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
227 if (CheckDrive(drive, &stbuf) > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
228 AddDrive(drive, &stbuf);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
229 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
230 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
231 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
232 return (0);
0
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diff changeset
233 }
74212992fb08 Initial revision
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diff changeset
234
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235 /* General ioctl() CD-ROM command function */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
236 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
237 SDL_SYS_CDioctl(int id, int command, void *arg)
0
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diff changeset
238 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
239 int retval;
0
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diff changeset
240
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
241 retval = ioctl(id, command, arg);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
242 if (retval < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
243 SDL_SetError("ioctl() error: %s", strerror(errno));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
244 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
245 return (retval);
0
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diff changeset
246 }
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diff changeset
247
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
248 static const char *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
249 SDL_SYS_CDName(int drive)
0
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diff changeset
250 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
251 return (SDL_cdlist[drive]);
0
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parents:
diff changeset
252 }
74212992fb08 Initial revision
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diff changeset
253
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
254 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
255 SDL_SYS_CDOpen(int drive)
0
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parents:
diff changeset
256 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
257 return (open(SDL_cdlist[drive], (O_RDONLY | O_EXCL | O_NONBLOCK), 0));
0
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parents:
diff changeset
258 }
74212992fb08 Initial revision
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diff changeset
259
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
260 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
261 SDL_SYS_CDGetTOC(SDL_CD * cdrom)
0
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parents:
diff changeset
262 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
263 struct ioc_toc_header toc;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
264 int i, okay;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
265 struct ioc_read_toc_entry entry;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
266 struct cd_toc_entry data;
0
74212992fb08 Initial revision
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parents:
diff changeset
267
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
268 okay = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
269 if (SDL_SYS_CDioctl(cdrom->id, CDIOREADTOCHEADER, &toc) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
270 cdrom->numtracks = toc.ending_track - toc.starting_track + 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
271 if (cdrom->numtracks > SDL_MAX_TRACKS) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
272 cdrom->numtracks = SDL_MAX_TRACKS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
273 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
274 /* Read all the track TOC entries */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
275 for (i = 0; i <= cdrom->numtracks; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
276 if (i == cdrom->numtracks) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
277 cdrom->track[i].id = 0xAA; /* CDROM_LEADOUT */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
278 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
279 cdrom->track[i].id = toc.starting_track + i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
280 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
281 entry.starting_track = cdrom->track[i].id;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
282 entry.address_format = CD_MSF_FORMAT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
283 entry.data_len = sizeof(data);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
284 entry.data = &data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
285 if (SDL_SYS_CDioctl(cdrom->id, CDIOREADTOCENTRYS, &entry) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
286 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
287 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
288 cdrom->track[i].type = data.control;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
289 cdrom->track[i].offset =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
290 MSF_TO_FRAMES(data.addr.msf.minute,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
291 data.addr.msf.second, data.addr.msf.frame);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
292 cdrom->track[i].length = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
293 if (i > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
294 cdrom->track[i - 1].length =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
295 cdrom->track[i].offset - cdrom->track[i - 1].offset;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
296 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
297 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
298 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
299 if (i == (cdrom->numtracks + 1)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
300 okay = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
301 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
302 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
303 return (okay ? 0 : -1);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
304 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
306 /* Get CD-ROM status */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
307 static CDstatus
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
308 SDL_SYS_CDStatus(SDL_CD * cdrom, int *position)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
310 CDstatus status;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
311 struct ioc_toc_header toc;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
312 struct ioc_read_subchannel info;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
313 struct cd_sub_channel_info data;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
314
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
315 info.address_format = CD_MSF_FORMAT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
316 info.data_format = CD_CURRENT_POSITION;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
317 info.track = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
318 info.data_len = sizeof(data);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
319 info.data = &data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
320 if (ioctl(cdrom->id, CDIOCREADSUBCHANNEL, &info) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
321 if (ERRNO_TRAYEMPTY(errno)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
322 status = CD_TRAYEMPTY;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
323 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
324 status = CD_ERROR;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
325 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
326 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
327 switch (data.header.audio_status) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
328 case CD_AS_AUDIO_INVALID:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
329 case CD_AS_NO_STATUS:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
330 /* Try to determine if there's a CD available */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
331 if (ioctl(cdrom->id, CDIOREADTOCHEADER, &toc) == 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
332 status = CD_STOPPED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
333 else
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
334 status = CD_TRAYEMPTY;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
335 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
336 case CD_AS_PLAY_COMPLETED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
337 status = CD_STOPPED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
338 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
339 case CD_AS_PLAY_IN_PROGRESS:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
340 status = CD_PLAYING;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
341 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
342 case CD_AS_PLAY_PAUSED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
343 status = CD_PAUSED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
344 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
345 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
346 status = CD_ERROR;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
347 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
348 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
349 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
350 if (position) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
351 if (status == CD_PLAYING || (status == CD_PAUSED)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
352 *position =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
353 MSF_TO_FRAMES(data.what.position.absaddr.msf.minute,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
354 data.what.position.absaddr.msf.second,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
355 data.what.position.absaddr.msf.frame);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
356 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
357 *position = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
358 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
359 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
360 return (status);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 /* Start play */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
364 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
365 SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
367 struct ioc_play_msf playtime;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
368
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
369 FRAMES_TO_MSF(start,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
370 &playtime.start_m, &playtime.start_s, &playtime.start_f);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
371 FRAMES_TO_MSF(start + length,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
372 &playtime.end_m, &playtime.end_s, &playtime.end_f);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 #ifdef DEBUG_CDROM
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
374 fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
375 playtime.start_m, playtime.start_s, playtime.start_f,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
376 playtime.end_m, playtime.end_s, playtime.end_f);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
378 ioctl(cdrom->id, CDIOCSTART, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
379 return (SDL_SYS_CDioctl(cdrom->id, CDIOCPLAYMSF, &playtime));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 /* Pause play */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
383 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
384 SDL_SYS_CDPause(SDL_CD * cdrom)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
386 return (SDL_SYS_CDioctl(cdrom->id, CDIOCPAUSE, 0));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 /* Resume play */
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390 static int
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391 SDL_SYS_CDResume(SDL_CD * cdrom)
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392 {
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393 return (SDL_SYS_CDioctl(cdrom->id, CDIOCRESUME, 0));
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394 }
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395
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396 /* Stop play */
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397 static int
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398 SDL_SYS_CDStop(SDL_CD * cdrom)
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399 {
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400 return (SDL_SYS_CDioctl(cdrom->id, CDIOCSTOP, 0));
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401 }
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402
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403 /* Eject the CD-ROM */
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404 static int
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405 SDL_SYS_CDEject(SDL_CD * cdrom)
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406 {
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407 return (SDL_SYS_CDioctl(cdrom->id, CDIOCEJECT, 0));
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408 }
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409
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410 /* Close the CD-ROM handle */
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411 static void
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412 SDL_SYS_CDClose(SDL_CD * cdrom)
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413 {
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414 close(cdrom->id);
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415 }
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416
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417 void
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418 SDL_SYS_CDQuit(void)
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419 {
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420 int i;
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421
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422 if (SDL_numcds > 0) {
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423 for (i = 0; i < SDL_numcds; ++i) {
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424 SDL_free(SDL_cdlist[i]);
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425 }
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426 SDL_numcds = 0;
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427 }
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428 }
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429
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430 #endif /* SDL_CDROM_OPENBSD */
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431 /* vi: set ts=4 sw=4 expandtab: */