annotate test/testcdrom.c @ 2191:29e07f91bc1f

Rename LockAudio,UnlockAudio to LockDevice,UnlockDevice. Also some small fixes
author Patrice Mandin <patmandin@gmail.com>
date Fri, 13 Jul 2007 23:58:22 +0000
parents c121d94672cb
children
rev   line source
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1
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2 /* Test the SDL CD-ROM audio functions */
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3
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4 #include <stdlib.h>
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5 #include <stdio.h>
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6 #include <string.h>
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7 #include <ctype.h>
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8
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9 #include "SDL.h"
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10
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11 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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12 static void
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13 quit(int rc)
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14 {
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15 SDL_Quit();
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16 exit(rc);
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17 }
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18
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19 static void
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20 PrintStatus(int driveindex, SDL_CD * cdrom)
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21 {
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22 CDstatus status;
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23 char *status_str;
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24
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25 status = SDL_CDStatus(cdrom);
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26 switch (status) {
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27 case CD_TRAYEMPTY:
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28 status_str = "tray empty";
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29 break;
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30 case CD_STOPPED:
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31 status_str = "stopped";
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32 break;
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33 case CD_PLAYING:
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34 status_str = "playing";
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35 break;
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36 case CD_PAUSED:
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37 status_str = "paused";
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38 break;
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39 case CD_ERROR:
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40 status_str = "error state";
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41 break;
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42 }
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43 printf("Drive %d status: %s\n", driveindex, status_str);
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44 if (status >= CD_PLAYING) {
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45 int m, s, f;
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46 FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f);
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47 printf("Currently playing track %d, %d:%2.2d\n",
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48 cdrom->track[cdrom->cur_track].id, m, s);
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49 }
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50 }
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51
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52 static void
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53 ListTracks(SDL_CD * cdrom)
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54 {
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55 int i;
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56 int m, s, f;
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57 char *trtype;
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58
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59 SDL_CDStatus(cdrom);
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60 printf("Drive tracks: %d\n", cdrom->numtracks);
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61 for (i = 0; i < cdrom->numtracks; ++i) {
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62 FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f);
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63 if (f > 0)
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64 ++s;
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65 switch (cdrom->track[i].type) {
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66 case SDL_AUDIO_TRACK:
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67 trtype = "audio";
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68 break;
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69 case SDL_DATA_TRACK:
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70 trtype = "data";
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71 break;
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72 default:
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73 trtype = "unknown";
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74 break;
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75 }
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76 printf("\tTrack (index %d) %d: %d:%2.2d / %d [%s track]\n", i,
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77 cdrom->track[i].id, m, s, cdrom->track[i].length, trtype);
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78 }
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79 }
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80
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81 static void
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82 PrintUsage(char *argv0)
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83 {
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84 fprintf(stderr, "Usage: %s [drive#] [command] [command] ...\n", argv0);
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85 fprintf(stderr, "Where 'command' is one of:\n");
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86 fprintf(stderr, " -status\n");
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87 fprintf(stderr, " -list\n");
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88 fprintf(stderr,
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89 " -play [first_track] [first_frame] [num_tracks] [num_frames]\n");
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90 fprintf(stderr, " -pause\n");
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91 fprintf(stderr, " -resume\n");
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92 fprintf(stderr, " -stop\n");
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93 fprintf(stderr, " -eject\n");
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94 fprintf(stderr, " -sleep <milliseconds>\n");
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95 }
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96
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97 int
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98 main(int argc, char *argv[])
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99 {
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100 int drive;
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101 int i;
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102 SDL_CD *cdrom;
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103
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104 /* Initialize SDL first */
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105 if (SDL_Init(SDL_INIT_CDROM) < 0) {
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106 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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107 return (1);
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108 }
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109
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110 /* Find out how many CD-ROM drives are connected to the system */
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111 if (SDL_CDNumDrives() == 0) {
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112 printf("No CD-ROM devices detected\n");
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113 quit(0);
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114 }
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115 printf("Drives available: %d\n", SDL_CDNumDrives());
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116 for (i = 0; i < SDL_CDNumDrives(); ++i) {
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117 printf("Drive %d: \"%s\"\n", i, SDL_CDName(i));
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118 }
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119
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120 /* Open the CD-ROM */
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121 drive = 0;
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122 i = 1;
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123 if (argv[i] && isdigit(argv[i][0])) {
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124 drive = atoi(argv[i++]);
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125 }
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126 cdrom = SDL_CDOpen(drive);
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127 if (cdrom == NULL) {
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128 fprintf(stderr, "Couldn't open drive %d: %s\n", drive,
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129 SDL_GetError());
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130 quit(2);
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131 }
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132 #ifdef TEST_NULLCD
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133 cdrom = NULL;
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134 #endif
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135
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136 /* Find out which function to perform */
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137 for (; argv[i]; ++i) {
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138 if (strcmp(argv[i], "-status") == 0) {
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139 /* PrintStatus(drive, cdrom); */
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140 } else if (strcmp(argv[i], "-list") == 0) {
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141 ListTracks(cdrom);
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142 } else if (strcmp(argv[i], "-play") == 0) {
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143 int strack, sframe;
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144 int ntrack, nframe;
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145
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146 strack = 0;
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147 if (argv[i + 1] && isdigit(argv[i + 1][0])) {
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148 strack = atoi(argv[++i]);
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149 }
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150 sframe = 0;
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151 if (argv[i + 1] && isdigit(argv[i + 1][0])) {
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152 sframe = atoi(argv[++i]);
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153 }
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154 ntrack = 0;
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155 if (argv[i + 1] && isdigit(argv[i + 1][0])) {
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156 ntrack = atoi(argv[++i]);
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157 }
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158 nframe = 0;
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159 if (argv[i + 1] && isdigit(argv[i + 1][0])) {
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160 nframe = atoi(argv[++i]);
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161 }
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162 if (CD_INDRIVE(SDL_CDStatus(cdrom))) {
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163 if (SDL_CDPlayTracks(cdrom, strack, sframe,
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164 ntrack, nframe) < 0) {
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165 fprintf(stderr,
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166 "Couldn't play tracks %d/%d for %d/%d: %s\n",
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167 strack, sframe, ntrack, nframe, SDL_GetError());
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168 }
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169 } else {
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170 fprintf(stderr, "No CD in drive!\n");
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171 }
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172 } else if (strcmp(argv[i], "-pause") == 0) {
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173 if (SDL_CDPause(cdrom) < 0) {
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174 fprintf(stderr, "Couldn't pause CD: %s\n", SDL_GetError());
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175 }
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176 } else if (strcmp(argv[i], "-resume") == 0) {
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177 if (SDL_CDResume(cdrom) < 0) {
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178 fprintf(stderr, "Couldn't resume CD: %s\n", SDL_GetError());
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179 }
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180 } else if (strcmp(argv[i], "-stop") == 0) {
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181 if (SDL_CDStop(cdrom) < 0) {
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182 fprintf(stderr, "Couldn't eject CD: %s\n", SDL_GetError());
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183 }
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184 } else if (strcmp(argv[i], "-eject") == 0) {
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185 if (SDL_CDEject(cdrom) < 0) {
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186 fprintf(stderr, "Couldn't eject CD: %s\n", SDL_GetError());
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187 }
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188 } else if ((strcmp(argv[i], "-sleep") == 0) &&
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189 (argv[i + 1] && isdigit(argv[i + 1][0]))) {
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190 SDL_Delay(atoi(argv[++i]));
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191 printf("Delayed %d milliseconds\n", atoi(argv[i]));
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192 } else {
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193 PrintUsage(argv[0]);
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194 SDL_CDClose(cdrom);
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195 quit(1);
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196 }
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197 }
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198 PrintStatus(drive, cdrom);
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199 SDL_CDClose(cdrom);
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200 SDL_Quit();
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201
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202 return (0);
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203 }