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annotate src/cdrom/SDL_cdrom.c @ 2915:deb377097225

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Fixed CPU feature detection on x86_64 platform (registers were being corrupted, causing crashes)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 24 Dec 2008 13:13:38 +0000
parents 99210400e8b9
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 /* This is the CD-audio control API for Simple DirectMedia Layer */
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25
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26 #include "SDL_cdrom.h"
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27 #include "SDL_syscdrom.h"
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28
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29 #define CLIP_FRAMES 10 /* Some CD-ROMs won't go all the way */
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30
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31 static int SDL_cdinitted = 0;
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32 static SDL_CD *default_cdrom;
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33
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34 /* The system level CD-ROM control functions */
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35 struct CDcaps SDL_CDcaps = {
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36 NULL, /* Name */
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37 NULL, /* Open */
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38 NULL, /* GetTOC */
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39 NULL, /* Status */
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40 NULL, /* Play */
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41 NULL, /* Pause */
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42 NULL, /* Resume */
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43 NULL, /* Stop */
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44 NULL, /* Eject */
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45 NULL, /* Close */
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46 };
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47
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48 int SDL_numcds;
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49
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50 int
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51 SDL_CDROMInit(void)
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52 {
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53 int retval;
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54
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55 SDL_numcds = 0;
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56 retval = SDL_SYS_CDInit();
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57 if (retval == 0) {
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58 SDL_cdinitted = 1;
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59 }
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60 default_cdrom = NULL;
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61 return (retval);
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62 }
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63
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64 /* Check to see if the CD-ROM subsystem has been initialized */
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65 static int
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66 CheckInit(int check_cdrom, SDL_CD ** cdrom)
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67 {
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68 int okay;
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69
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70 okay = SDL_cdinitted;
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71 if (check_cdrom && (*cdrom == NULL)) {
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72 *cdrom = default_cdrom;
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73 if (*cdrom == NULL) {
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74 SDL_SetError("CD-ROM not opened");
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75 okay = 0;
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76 }
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77 }
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78 if (!SDL_cdinitted) {
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79 SDL_SetError("CD-ROM subsystem not initialized");
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80 }
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81 return (okay);
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82 }
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83
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84 int
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85 SDL_CDNumDrives(void)
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86 {
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87 if (!CheckInit(0, NULL)) {
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88 return (-1);
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89 }
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90 return (SDL_numcds);
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91 }
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92
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93 const char *
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94 SDL_CDName(int drive)
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95 {
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96 if (!CheckInit(0, NULL)) {
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97 return (NULL);
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98 }
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99 if (drive >= SDL_numcds) {
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100 SDL_SetError("Invalid CD-ROM drive index");
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101 return (NULL);
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102 }
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103 if (SDL_CDcaps.Name) {
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104 return (SDL_CDcaps.Name(drive));
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105 } else {
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106 return ("");
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107 }
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108 }
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109
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110 SDL_CD *
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111 SDL_CDOpen(int drive)
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112 {
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113 struct SDL_CD *cdrom;
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114
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115 if (!CheckInit(0, NULL)) {
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116 return (NULL);
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117 }
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118 if (drive >= SDL_numcds) {
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119 SDL_SetError("Invalid CD-ROM drive index");
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120 return (NULL);
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121 }
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122 cdrom = (SDL_CD *) SDL_malloc(sizeof(*cdrom));
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123 if (cdrom == NULL) {
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124 SDL_OutOfMemory();
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125 return (NULL);
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126 }
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127 SDL_memset(cdrom, 0, sizeof(*cdrom));
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128 cdrom->id = SDL_CDcaps.Open(drive);
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129 if (cdrom->id < 0) {
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130 SDL_free(cdrom);
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131 return (NULL);
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132 }
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133 default_cdrom = cdrom;
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134 return (cdrom);
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135 }
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136
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137 CDstatus
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138 SDL_CDStatus(SDL_CD * cdrom)
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139 {
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140 CDstatus status;
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141 int i;
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142 Uint32 position;
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143
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144 /* Check if the CD-ROM subsystem has been initialized */
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145 if (!CheckInit(1, &cdrom)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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146 return (CD_ERROR);
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diff changeset
147 }
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148
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149 /* Get the current status of the drive */
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150 cdrom->numtracks = 0;
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151 cdrom->cur_track = 0;
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152 cdrom->cur_frame = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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153 status = SDL_CDcaps.Status(cdrom, &i);
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154 position = (Uint32) i;
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155 cdrom->status = status;
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156
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157 /* Get the table of contents, if there's a CD available */
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158 if (CD_INDRIVE(status)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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159 if (SDL_CDcaps.GetTOC(cdrom) < 0) {
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160 status = CD_ERROR;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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161 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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162 /* If the drive is playing, get current play position */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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163 if ((status == CD_PLAYING) || (status == CD_PAUSED)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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164 for (i = 1; cdrom->track[i].offset <= position; ++i) {
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165 /* Keep looking */ ;
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166 }
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167 #ifdef DEBUG_CDROM
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168 fprintf(stderr,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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169 "Current position: %d, track = %d (offset is %d)\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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170 position, i - 1, cdrom->track[i - 1].offset);
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171 #endif
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172 cdrom->cur_track = i - 1;
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173 position -= cdrom->track[cdrom->cur_track].offset;
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174 cdrom->cur_frame = position;
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175 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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176 }
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177 return (status);
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178 }
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179
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180 int
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181 SDL_CDPlayTracks(SDL_CD * cdrom,
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182 int strack, int sframe, int ntracks, int nframes)
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183 {
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184 int etrack, eframe;
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185 int start, length;
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186
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187 /* Check if the CD-ROM subsystem has been initialized */
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188 if (!CheckInit(1, &cdrom)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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189 return (CD_ERROR);
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190 }
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191
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192 /* Determine the starting and ending tracks */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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193 if ((strack < 0) || (strack >= cdrom->numtracks)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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194 SDL_SetError("Invalid starting track");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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195 return (CD_ERROR);
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diff changeset
196 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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197 if (!ntracks && !nframes) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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198 etrack = cdrom->numtracks;
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199 eframe = 0;
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diff changeset
200 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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201 etrack = strack + ntracks;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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202 if (etrack == strack) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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203 eframe = sframe + nframes;
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204 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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205 eframe = nframes;
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206 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
207 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
208 if (etrack > cdrom->numtracks) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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209 SDL_SetError("Invalid play length");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
210 return (CD_ERROR);
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diff changeset
211 }
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212
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213 /* Skip data tracks and verify frame offsets */
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diff changeset
214 while ((strack <= etrack) &&
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
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215 (cdrom->track[strack].type == SDL_DATA_TRACK)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
216 ++strack;
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parents: 1402
diff changeset
217 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
218 if (sframe >= (int) cdrom->track[strack].length) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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219 SDL_SetError("Invalid starting frame for track %d", strack);
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diff changeset
220 return (CD_ERROR);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
221 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
222 while ((etrack > strack) &&
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
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223 (cdrom->track[etrack - 1].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: 1402
diff changeset
224 --etrack;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
225 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
226 if (eframe > (int) cdrom->track[etrack].length) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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227 SDL_SetError("Invalid ending frame for track %d", etrack);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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228 return (CD_ERROR);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
229 }
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230
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231 /* Determine start frame and play length */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
232 start = (cdrom->track[strack].offset + sframe);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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233 length = (cdrom->track[etrack].offset + eframe) - start;
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234 #ifdef CLIP_FRAMES
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235 /* I've never seen this necessary, but xmcd does it.. */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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236 length -= CLIP_FRAMES; /* CLIP_FRAMES == 10 */
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diff changeset
237 #endif
1895
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diff changeset
238 if (length < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
239 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
240 }
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241
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242 /* Play! */
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diff changeset
243 #ifdef DEBUG_CDROM
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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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244 fprintf(stderr, "Playing %d frames at offset %d\n", length, start);
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diff changeset
245 #endif
1895
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246 return (SDL_CDcaps.Play(cdrom, start, length));
0
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diff changeset
247 }
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diff changeset
248
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
249 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
250 SDL_CDPlay(SDL_CD * cdrom, int sframe, int length)
0
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diff changeset
251 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
252 /* Check if the CD-ROM subsystem has been initialized */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
253 if (!CheckInit(1, &cdrom)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
254 return (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: 1402
diff changeset
255 }
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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 (SDL_CDcaps.Play(cdrom, sframe, length));
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diff changeset
258 }
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diff changeset
259
1895
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diff changeset
260 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
261 SDL_CDPause(SDL_CD * cdrom)
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diff changeset
262 {
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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
263 CDstatus status;
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
264 int retval;
0
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diff changeset
265
1895
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diff changeset
266 /* Check if the CD-ROM subsystem has been initialized */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
267 if (!CheckInit(1, &cdrom)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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268 return (CD_ERROR);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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269 }
0
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270
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271 status = SDL_CDcaps.Status(cdrom, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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272 switch (status) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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273 case CD_PLAYING:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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274 retval = SDL_CDcaps.Pause(cdrom);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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275 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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276 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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277 retval = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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278 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
279 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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280 return (retval);
0
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281 }
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282
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283 int
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284 SDL_CDResume(SDL_CD * cdrom)
0
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285 {
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286 CDstatus status;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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287 int retval;
0
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288
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289 /* Check if the CD-ROM subsystem has been initialized */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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290 if (!CheckInit(1, &cdrom)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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291 return (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: 1402
diff changeset
292 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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293
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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294 status = SDL_CDcaps.Status(cdrom, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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295 switch (status) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
296 case CD_PAUSED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
297 retval = SDL_CDcaps.Resume(cdrom);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
298 default:
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
299 retval = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
300 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
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: 1402
diff changeset
302 return (retval);
0
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
303 }
74212992fb08 Initial revision
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parents:
diff changeset
304
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
305 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
306 SDL_CDStop(SDL_CD * cdrom)
0
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parents:
diff changeset
307 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
308 CDstatus status;
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
309 int retval;
0
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parents:
diff changeset
310
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
311 /* Check if the CD-ROM subsystem has been initialized */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
312 if (!CheckInit(1, &cdrom)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
313 return (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: 1402
diff changeset
314 }
0
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parents:
diff changeset
315
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
316 status = SDL_CDcaps.Status(cdrom, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
317 switch (status) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
318 case 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: 1402
diff changeset
319 case 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: 1402
diff changeset
320 retval = SDL_CDcaps.Stop(cdrom);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
321 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
322 retval = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
323 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
324 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
325 return (retval);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
326 }
74212992fb08 Initial revision
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parents:
diff changeset
327
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
328 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
329 SDL_CDEject(SDL_CD * cdrom)
0
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parents:
diff changeset
330 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
331 /* Check if the CD-ROM subsystem has been initialized */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
332 if (!CheckInit(1, &cdrom)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
333 return (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: 1402
diff changeset
334 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
335 return (SDL_CDcaps.Eject(cdrom));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
338 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
339 SDL_CDClose(SDL_CD * cdrom)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
341 /* Check if the CD-ROM subsystem has been initialized */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
342 if (!CheckInit(1, &cdrom)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
343 return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
344 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
345 SDL_CDcaps.Close(cdrom);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
346 SDL_free(cdrom);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
347 default_cdrom = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
348 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
349
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
350 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
351 SDL_CDROMQuit(void)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
352 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
353 SDL_SYS_CDQuit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
354 SDL_cdinitted = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
355 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
356
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
357 /* vi: set ts=4 sw=4 expandtab: */