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annotate src/cdrom/linux/SDL_syscdrom.c @ 3197:434ce3242e1c

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Alexei Tereschenko Why not to use hardware vertex processing instead of software one if it is available in D3D render driver? With hardware processing testsprite2 runs three times faster on all videocards which I could test.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 16 Jun 2009 14:34:15 +0000
parents 99210400e8b9
children
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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_LINUX
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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 <string.h> /* For strerror() */
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29 #include <sys/types.h>
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30 #include <sys/stat.h>
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31 #include <sys/ioctl.h>
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32 #include <fcntl.h>
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33 #include <errno.h>
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34 #include <unistd.h>
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35 #ifdef __LINUX__
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36 #ifdef HAVE_LINUX_VERSION_H
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37 /* linux 2.6.9 workaround */
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38 #include <linux/version.h>
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39 #if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,9)
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40 #include <asm/types.h>
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41 #define __le64 __u64
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42 #define __le32 __u32
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43 #define __le16 __u16
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44 #define __be64 __u64
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45 #define __be32 __u32
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46 #define __be16 __u16
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47 #endif /* linux 2.6.9 workaround */
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48 #endif /* HAVE_LINUX_VERSION_H */
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49 #include <linux/cdrom.h>
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50 #endif
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51 #ifdef __SVR4
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52 #include <sys/cdio.h>
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53 #endif
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54
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55 /* Define this to use the alternative getmntent() code */
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56 #ifndef __SVR4
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57 #define USE_MNTENT
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58 #endif
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59
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60 #ifdef USE_MNTENT
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61 #if defined(__USLC__)
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62 #include <sys/mntent.h>
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63 #else
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64 #include <mntent.h>
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65 #endif
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66
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67 #ifndef _PATH_MNTTAB
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68 #ifdef MNTTAB
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69 #define _PATH_MNTTAB MNTTAB
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70 #else
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71 #define _PATH_MNTTAB "/etc/fstab"
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72 #endif
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73 #endif /* !_PATH_MNTTAB */
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74
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75 #ifndef _PATH_MOUNTED
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76 #define _PATH_MOUNTED "/etc/mtab"
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77 #endif /* !_PATH_MOUNTED */
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78
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79 #ifndef MNTTYPE_CDROM
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80 #define MNTTYPE_CDROM "iso9660"
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81 #endif
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82 #ifndef MNTTYPE_SUPER
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83 #define MNTTYPE_SUPER "supermount"
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84 #endif
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85 #endif /* USE_MNTENT */
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86
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87 #include "SDL_cdrom.h"
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88 #include "../SDL_syscdrom.h"
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89
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90
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91 /* The maximum number of CD-ROM drives we'll detect */
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92 #define MAX_DRIVES 16
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93
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94 /* A list of available CD-ROM drives */
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95 static char *SDL_cdlist[MAX_DRIVES];
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96 static dev_t SDL_cdmode[MAX_DRIVES];
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97
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98 /* The system-dependent CD control functions */
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99 static const char *SDL_SYS_CDName(int drive);
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100 static int SDL_SYS_CDOpen(int drive);
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101 static int SDL_SYS_CDGetTOC(SDL_CD * cdrom);
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102 static CDstatus SDL_SYS_CDStatus(SDL_CD * cdrom, int *position);
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103 static int SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length);
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104 static int SDL_SYS_CDPause(SDL_CD * cdrom);
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105 static int SDL_SYS_CDResume(SDL_CD * cdrom);
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106 static int SDL_SYS_CDStop(SDL_CD * cdrom);
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107 static int SDL_SYS_CDEject(SDL_CD * cdrom);
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108 static void SDL_SYS_CDClose(SDL_CD * cdrom);
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109
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110 /* Some ioctl() errno values which occur when the tray is empty */
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111 #ifndef ENOMEDIUM
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112 #define ENOMEDIUM ENOENT
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113 #endif
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114 #define ERRNO_TRAYEMPTY(errno) \
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115 ((errno == EIO) || (errno == ENOENT) || \
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116 (errno == EINVAL) || (errno == ENOMEDIUM))
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117
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118 /* Check a drive to see if it is a CD-ROM */
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119 static int
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120 CheckDrive(char *drive, char *mnttype, struct stat *stbuf)
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121 {
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122 int is_cd, cdfd;
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123 struct cdrom_subchnl info;
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124
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125 /* If it doesn't exist, return -1 */
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126 if (stat(drive, stbuf) < 0) {
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127 return (-1);
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128 }
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129
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130 /* If it does exist, verify that it's an available CD-ROM */
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131 is_cd = 0;
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132 if (S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode)) {
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133 cdfd = open(drive, (O_RDONLY | O_NONBLOCK), 0);
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134 if (cdfd >= 0) {
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135 info.cdsc_format = CDROM_MSF;
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136 /* Under Linux, EIO occurs when a disk is not present.
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137 */
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138 if ((ioctl(cdfd, CDROMSUBCHNL, &info) == 0) ||
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139 ERRNO_TRAYEMPTY(errno)) {
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140 is_cd = 1;
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141 }
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142 close(cdfd);
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143 }
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144 #ifdef USE_MNTENT
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145 /* Even if we can't read it, it might be mounted */
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146 else if (mnttype && (SDL_strcmp(mnttype, MNTTYPE_CDROM) == 0)) {
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147 is_cd = 1;
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148 }
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149 #endif
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150 }
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151 return (is_cd);
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152 }
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153
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154 /* Add a CD-ROM drive to our list of valid drives */
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155 static void
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156 AddDrive(char *drive, struct stat *stbuf)
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157 {
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158 int i;
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159
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160 if (SDL_numcds < MAX_DRIVES) {
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161 /* Check to make sure it's not already in our list.
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162 This can happen when we see a drive via symbolic link.
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163 */
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164 for (i = 0; i < SDL_numcds; ++i) {
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165 if (stbuf->st_rdev == SDL_cdmode[i]) {
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166 #ifdef DEBUG_CDROM
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167 fprintf(stderr, "Duplicate drive detected: %s == %s\n",
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168 drive, SDL_cdlist[i]);
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169 #endif
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170 return;
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171 }
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172 }
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173
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174 /* Add this drive to our list */
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175 i = SDL_numcds;
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176 SDL_cdlist[i] = SDL_strdup(drive);
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177 if (SDL_cdlist[i] == NULL) {
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178 SDL_OutOfMemory();
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179 return;
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180 }
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181 SDL_cdmode[i] = stbuf->st_rdev;
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182 ++SDL_numcds;
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183 #ifdef DEBUG_CDROM
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184 fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
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185 #endif
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186 }
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187 }
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188
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189 #ifdef USE_MNTENT
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190 static void
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191 CheckMounts(const char *mtab)
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192 {
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193 FILE *mntfp;
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194 struct mntent *mntent;
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195 struct stat stbuf;
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196
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197 mntfp = setmntent(mtab, "r");
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198 if (mntfp != NULL) {
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199 char *tmp;
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200 char *mnt_type;
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201 size_t mnt_type_len;
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202 char *mnt_dev;
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203 size_t mnt_dev_len;
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204
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205 while ((mntent = getmntent(mntfp)) != NULL) {
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206 mnt_type_len = SDL_strlen(mntent->mnt_type) + 1;
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207 mnt_type = SDL_stack_alloc(char, mnt_type_len);
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208 if (mnt_type == NULL)
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209 continue; /* maybe you'll get lucky next time. */
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210
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211 mnt_dev_len = SDL_strlen(mntent->mnt_fsname) + 1;
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212 mnt_dev = SDL_stack_alloc(char, mnt_dev_len);
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213 if (mnt_dev == NULL) {
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214 SDL_stack_free(mnt_type);
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215 continue;
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216 }
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217
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218 SDL_strlcpy(mnt_type, mntent->mnt_type, mnt_type_len);
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219 SDL_strlcpy(mnt_dev, mntent->mnt_fsname, mnt_dev_len);
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220
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221 /* Handle "supermount" filesystem mounts */
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222 if (SDL_strcmp(mnt_type, MNTTYPE_SUPER) == 0) {
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223 tmp = SDL_strstr(mntent->mnt_opts, "fs=");
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224 if (tmp) {
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225 SDL_stack_free(mnt_type);
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226 mnt_type = SDL_strdup(tmp + SDL_strlen("fs="));
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227 if (mnt_type) {
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228 tmp = SDL_strchr(mnt_type, ',');
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229 if (tmp) {
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230 *tmp = '\0';
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231 }
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232 }
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233 }
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234 tmp = SDL_strstr(mntent->mnt_opts, "dev=");
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235 if (tmp) {
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236 SDL_stack_free(mnt_dev);
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237 mnt_dev = SDL_strdup(tmp + SDL_strlen("dev="));
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238 if (mnt_dev) {
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239 tmp = SDL_strchr(mnt_dev, ',');
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240 if (tmp) {
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241 *tmp = '\0';
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242 }
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243 }
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244 }
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245 }
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246 if (SDL_strcmp(mnt_type, MNTTYPE_CDROM) == 0) {
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247 #ifdef DEBUG_CDROM
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248 fprintf(stderr,
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249 "Checking mount path from %s: %s mounted on %s of %s\n",
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250 mtab, mnt_dev, mntent->mnt_dir, mnt_type);
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251 #endif
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252 if (CheckDrive(mnt_dev, mnt_type, &stbuf) > 0) {
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253 AddDrive(mnt_dev, &stbuf);
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254 }
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255 }
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256 SDL_stack_free(mnt_dev);
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257 SDL_stack_free(mnt_type);
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258 }
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259 endmntent(mntfp);
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260 }
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261 }
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262 #endif /* USE_MNTENT */
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263
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264 int
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diff changeset
265 SDL_SYS_CDInit(void)
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266 {
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267 /* checklist: /dev/cdrom, /dev/hd?, /dev/scd? /dev/sr? */
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268 static char *checklist[] = {
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diff changeset
269 "cdrom", "?a hd?", "?0 scd?", "?0 sr?", NULL
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diff changeset
270 };
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271 char *SDLcdrom;
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272 int i, j, exists;
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273 char drive[32];
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diff changeset
274 struct stat stbuf;
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275
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276 /* Fill in our driver capabilities */
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277 SDL_CDcaps.Name = SDL_SYS_CDName;
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278 SDL_CDcaps.Open = SDL_SYS_CDOpen;
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279 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
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280 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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281 SDL_CDcaps.Play = SDL_SYS_CDPlay;
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282 SDL_CDcaps.Pause = SDL_SYS_CDPause;
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283 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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284 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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285 SDL_CDcaps.Eject = SDL_SYS_CDEject;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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286 SDL_CDcaps.Close = SDL_SYS_CDClose;
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287
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diff changeset
288 /* Look in the environment for our CD-ROM drive list */
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289 SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */
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290 if (SDLcdrom != NULL) {
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291 char *cdpath, *delim;
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292 size_t len = SDL_strlen(SDLcdrom) + 1;
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293 cdpath = SDL_stack_alloc(char, len);
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294 if (cdpath != NULL) {
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295 SDL_strlcpy(cdpath, SDLcdrom, len);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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296 SDLcdrom = cdpath;
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297 do {
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298 delim = SDL_strchr(SDLcdrom, ':');
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299 if (delim) {
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300 *delim++ = '\0';
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301 }
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302 #ifdef DEBUG_CDROM
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303 fprintf(stderr,
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diff changeset
304 "Checking CD-ROM drive from SDL_CDROM: %s\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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305 SDLcdrom);
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306 #endif
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307 if (CheckDrive(SDLcdrom, NULL, &stbuf) > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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308 AddDrive(SDLcdrom, &stbuf);
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309 }
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diff changeset
310 if (delim) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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311 SDLcdrom = delim;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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312 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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313 SDLcdrom = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
314 }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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diff changeset
315 } while (SDLcdrom);
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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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316 SDL_stack_free(cdpath);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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317 }
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318
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319 /* If we found our drives, there's nothing left to do */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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320 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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321 return (0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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322 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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323 }
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324 #ifdef USE_MNTENT
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325 /* Check /dev/cdrom first :-) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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326 if (CheckDrive("/dev/cdrom", NULL, &stbuf) > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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327 AddDrive("/dev/cdrom", &stbuf);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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328 }
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329
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330 /* Now check the currently mounted CD drives */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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331 CheckMounts(_PATH_MOUNTED);
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332
1895
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diff changeset
333 /* Finally check possible mountable drives in /etc/fstab */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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334 CheckMounts(_PATH_MNTTAB);
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335
1895
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336 /* If we found our drives, there's nothing left to do */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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337 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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diff changeset
338 return (0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
339 }
0
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340 #endif /* USE_MNTENT */
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341
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
342 /* Scan the system for CD-ROM drives.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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343 Not always 100% reliable, so use the USE_MNTENT code above first.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
344 */
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diff changeset
345 for (i = 0; checklist[i]; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
346 if (checklist[i][0] == '?') {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
347 char *insert;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
348 exists = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
349 for (j = checklist[i][1]; exists; ++j) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
350 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
351 &checklist[i][3]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
352 insert = SDL_strchr(drive, '?');
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
353 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
354 *insert = j;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
355 }
0
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diff changeset
356 #ifdef DEBUG_CDROM
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
357 fprintf(stderr, "Checking possible CD-ROM drive: %s\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
358 drive);
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diff changeset
359 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
360 switch (CheckDrive(drive, NULL, &stbuf)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
361 /* Drive exists and is a CD-ROM */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
362 case 1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
363 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
364 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
365 /* Drive exists, but isn't a CD-ROM */
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
366 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
367 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
368 /* Drive doesn't exist */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
369 case -1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
370 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
371 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
372 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
373 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
374 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
375 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
376 checklist[i]);
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diff changeset
377 #ifdef DEBUG_CDROM
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
378 fprintf(stderr, "Checking possible CD-ROM drive: %s\n", drive);
0
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diff changeset
379 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
380 if (CheckDrive(drive, NULL, &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
381 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
382 }
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 }
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
384 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
385 return (0);
0
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diff changeset
386 }
74212992fb08 Initial revision
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parents:
diff changeset
387
74212992fb08 Initial revision
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diff changeset
388 /* 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
389 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
390 SDL_SYS_CDioctl(int id, int command, void *arg)
0
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parents:
diff changeset
391 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
392 int retval;
0
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parents:
diff changeset
393
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
394 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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parents: 1635
diff changeset
395 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
396 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
397 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
398 return (retval);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400
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
401 static const char *
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
402 SDL_SYS_CDName(int drive)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 {
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
404 return (SDL_cdlist[drive]);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406
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
407 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
408 SDL_SYS_CDOpen(int drive)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 {
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
410 return (open(SDL_cdlist[drive], (O_RDONLY | O_NONBLOCK), 0));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
412
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
413 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
414 SDL_SYS_CDGetTOC(SDL_CD * cdrom)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415 {
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
416 struct cdrom_tochdr 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
417 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
418 struct cdrom_tocentry entry;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419
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
420 okay = 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
421 if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &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
422 cdrom->numtracks = toc.cdth_trk1 - toc.cdth_trk0 + 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
423 if (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
424 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
425 }
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
426 /* 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
427 for (i = 0; i <= cdrom->numtracks; ++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
428 if (i == cdrom->numtracks) {
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
429 cdrom->track[i].id = 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
430 } 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
431 cdrom->track[i].id = toc.cdth_trk0 + 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
432 }
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
433 entry.cdte_track = cdrom->track[i].id;
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
434 entry.cdte_format = CDROM_MSF;
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
435 if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCENTRY, &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
436 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
437 } 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
438 if (entry.cdte_ctrl & CDROM_DATA_TRACK) {
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
439 cdrom->track[i].type = SDL_DATA_TRACK;
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
440 } 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
441 cdrom->track[i].type = SDL_AUDIO_TRACK;
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
442 }
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
443 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
444 MSF_TO_FRAMES(entry.cdte_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
445 entry.cdte_addr.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
446 entry.cdte_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
447 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
448 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
449 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
450 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
451 }
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
452 }
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
453 }
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
454 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
455 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
456 }
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
457 }
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
458 return (okay ? 0 : -1);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461 /* 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
462 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
463 SDL_SYS_CDStatus(SDL_CD * cdrom, int *position)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
464 {
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
465 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
466 struct cdrom_tochdr 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
467 struct cdrom_subchnl info;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
468
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
469 info.cdsc_format = CDROM_MSF;
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
470 if (ioctl(cdrom->id, CDROMSUBCHNL, &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
471 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
472 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
473 } 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
474 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
475 }
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
476 } 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
477 switch (info.cdsc_audiostatus) {
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
478 case CDROM_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
479 case CDROM_AUDIO_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
480 /* 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
481 if (ioctl(cdrom->id, CDROMREADTOCHDR, &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
482 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
483 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
484 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
485 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
486 case CDROM_AUDIO_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
487 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
488 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
489 case CDROM_AUDIO_PLAY:
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
490 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
491 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
492 case CDROM_AUDIO_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
493 /* Workaround buggy CD-ROM drive */
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
494 if (info.cdsc_trk == 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
495 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
496 } 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
497 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
498 }
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
499 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
500 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
501 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
502 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
503 }
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
504 }
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
505 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
506 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
507 *position = MSF_TO_FRAMES(info.cdsc_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
508 info.cdsc_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
509 info.cdsc_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
510 } 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
511 *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
512 }
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
513 }
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
514 return (status);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517 /* 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
518 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
519 SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
520 {
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
521 struct cdrom_msf playtime;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522
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
523 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
524 &playtime.cdmsf_min0, &playtime.cdmsf_sec0,
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
525 &playtime.cdmsf_frame0);
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
526 FRAMES_TO_MSF(start + length, &playtime.cdmsf_min1, &playtime.cdmsf_sec1,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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527 &playtime.cdmsf_frame1);
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528 #ifdef DEBUG_CDROM
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529 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.
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530 playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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531 playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1);
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532 #endif
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533 return (SDL_SYS_CDioctl(cdrom->id, CDROMPLAYMSF, &playtime));
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534 }
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parents:
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535
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parents:
diff changeset
536 /* Pause play */
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537 static int
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538 SDL_SYS_CDPause(SDL_CD * cdrom)
0
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parents:
diff changeset
539 {
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540 return (SDL_SYS_CDioctl(cdrom->id, CDROMPAUSE, 0));
0
74212992fb08 Initial revision
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parents:
diff changeset
541 }
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parents:
diff changeset
542
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parents:
diff changeset
543 /* Resume play */
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544 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
545 SDL_SYS_CDResume(SDL_CD * cdrom)
0
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parents:
diff changeset
546 {
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547 return (SDL_SYS_CDioctl(cdrom->id, CDROMRESUME, 0));
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diff changeset
548 }
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diff changeset
549
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parents:
diff changeset
550 /* Stop play */
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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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diff changeset
551 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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552 SDL_SYS_CDStop(SDL_CD * cdrom)
0
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parents:
diff changeset
553 {
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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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parents: 1635
diff changeset
554 return (SDL_SYS_CDioctl(cdrom->id, CDROMSTOP, 0));
0
74212992fb08 Initial revision
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parents:
diff changeset
555 }
74212992fb08 Initial revision
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parents:
diff changeset
556
74212992fb08 Initial revision
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diff changeset
557 /* Eject the CD-ROM */
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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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parents: 1635
diff changeset
558 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
559 SDL_SYS_CDEject(SDL_CD * cdrom)
0
74212992fb08 Initial revision
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parents:
diff changeset
560 {
1895
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
561 return (SDL_SYS_CDioctl(cdrom->id, CDROMEJECT, 0));
0
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parents:
diff changeset
562 }
74212992fb08 Initial revision
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parents:
diff changeset
563
74212992fb08 Initial revision
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parents:
diff changeset
564 /* Close the CD-ROM handle */
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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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parents: 1635
diff changeset
565 static void
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
566 SDL_SYS_CDClose(SDL_CD * cdrom)
0
74212992fb08 Initial revision
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parents:
diff changeset
567 {
1895
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
568 close(cdrom->id);
0
74212992fb08 Initial revision
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parents:
diff changeset
569 }
74212992fb08 Initial revision
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parents:
diff changeset
570
1895
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
571 void
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
572 SDL_SYS_CDQuit(void)
0
74212992fb08 Initial revision
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parents:
diff changeset
573 {
1895
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
574 int i;
0
74212992fb08 Initial revision
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parents:
diff changeset
575
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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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parents: 1635
diff changeset
576 if (SDL_numcds > 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
577 for (i = 0; i < SDL_numcds; ++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
578 SDL_free(SDL_cdlist[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
579 }
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
580 SDL_numcds = 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
581 }
0
74212992fb08 Initial revision
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parents:
diff changeset
582 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583
1635
92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
584 #endif /* SDL_CDROM_LINUX */
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
585 /* vi: set ts=4 sw=4 expandtab: */