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