| 1 | |
| 2 | /* Test the SDL CD-ROM audio functions */ |
| 3 | |
| 4 | #include <stdlib.h> |
| 5 | #include <stdio.h> |
| 6 | #include <string.h> |
| 7 | #include <ctype.h> |
| 8 | |
| 9 | #include "SDL.h" |
| 10 | |
| 11 | /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
| 12 | static void quit(int rc) |
| 13 | { |
| 14 | SDL_Quit(); |
| 15 | exit(rc); |
| 16 | } |
| 17 | |
| 18 | static void PrintStatus(int driveindex, SDL_CD *cdrom) |
| 19 | { |
| 20 | CDstatus status; |
| 21 | char *status_str; |
| 22 | |
| 23 | status = SDL_CDStatus(cdrom); |
| 24 | switch (status) { |
| 25 | case CD_TRAYEMPTY: |
| 26 | status_str = "tray empty"; |
| 27 | break; |
| 28 | case CD_STOPPED: |
| 29 | status_str = "stopped"; |
| 30 | break; |
| 31 | case CD_PLAYING: |
| 32 | status_str = "playing"; |
| 33 | break; |
| 34 | case CD_PAUSED: |
| 35 | status_str = "paused"; |
| 36 | break; |
| 37 | case CD_ERROR: |
| 38 | status_str = "error state"; |
| 39 | break; |
| 40 | } |
| 41 | printf("Drive %d status: %s\n", driveindex, status_str); |
| 42 | if ( status >= CD_PLAYING ) { |
| 43 | int m, s, f; |
| 44 | FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f); |
| 45 | printf("Currently playing track %d, %d:%2.2d\n", |
| 46 | cdrom->track[cdrom->cur_track].id, m, s); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | static void ListTracks(SDL_CD *cdrom) |
| 51 | { |
| 52 | int i; |
| 53 | int m, s, f; |
| 54 | char* trtype; |
| 55 | |
| 56 | SDL_CDStatus(cdrom); |
| 57 | printf("Drive tracks: %d\n", cdrom->numtracks); |
| 58 | for ( i=0; i<cdrom->numtracks; ++i ) { |
| 59 | FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f); |
| 60 | if ( f > 0 ) |
| 61 | ++s; |
| 62 | switch(cdrom->track[i].type) |
| 63 | { |
| 64 | case SDL_AUDIO_TRACK: |
| 65 | trtype="audio"; |
| 66 | break; |
| 67 | case SDL_DATA_TRACK: |
| 68 | trtype="data"; |
| 69 | break; |
| 70 | default: |
| 71 | trtype="unknown"; |
| 72 | break; |
| 73 | } |
| 74 | printf("\tTrack (index %d) %d: %d:%2.2d / %d [%s track]\n", i, |
| 75 | cdrom->track[i].id, m, s, cdrom->track[i].length, trtype); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | static void PrintUsage(char *argv0) |
| 80 | { |
| 81 | fprintf(stderr, "Usage: %s [drive#] [command] [command] ...\n", argv0); |
| 82 | fprintf(stderr, "Where 'command' is one of:\n"); |
| 83 | fprintf(stderr, " -status\n"); |
| 84 | fprintf(stderr, " -list\n"); |
| 85 | fprintf(stderr, " -play [first_track] [first_frame] [num_tracks] [num_frames]\n"); |
| 86 | fprintf(stderr, " -pause\n"); |
| 87 | fprintf(stderr, " -resume\n"); |
| 88 | fprintf(stderr, " -stop\n"); |
| 89 | fprintf(stderr, " -eject\n"); |
| 90 | fprintf(stderr, " -sleep <milliseconds>\n"); |
| 91 | } |
| 92 | |
| 93 | int main(int argc, char *argv[]) |
| 94 | { |
| 95 | int drive; |
| 96 | int i; |
| 97 | SDL_CD *cdrom; |
| 98 | |
| 99 | /* Initialize SDL first */ |
| 100 | if ( SDL_Init(SDL_INIT_CDROM) < 0 ) { |
| 101 | fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); |
| 102 | return(1); |
| 103 | } |
| 104 | |
| 105 | /* Find out how many CD-ROM drives are connected to the system */ |
| 106 | if ( SDL_CDNumDrives() == 0 ) { |
| 107 | printf("No CD-ROM devices detected\n"); |
| 108 | quit(0); |
| 109 | } |
| 110 | printf("Drives available: %d\n", SDL_CDNumDrives()); |
| 111 | for ( i=0; i<SDL_CDNumDrives(); ++i ) { |
| 112 | printf("Drive %d: \"%s\"\n", i, SDL_CDName(i)); |
| 113 | } |
| 114 | |
| 115 | /* Open the CD-ROM */ |
| 116 | drive = 0; |
| 117 | i=1; |
| 118 | if ( argv[i] && isdigit(argv[i][0]) ) { |
| 119 | drive = atoi(argv[i++]); |
| 120 | } |
| 121 | cdrom = SDL_CDOpen(drive); |
| 122 | if ( cdrom == NULL ) { |
| 123 | fprintf(stderr, "Couldn't open drive %d: %s\n", drive, |
| 124 | SDL_GetError()); |
| 125 | quit(2); |
| 126 | } |
| 127 | #ifdef TEST_NULLCD |
| 128 | cdrom = NULL; |
| 129 | #endif |
| 130 | |
| 131 | /* Find out which function to perform */ |
| 132 | for ( ; argv[i]; ++i ) { |
| 133 | if ( strcmp(argv[i], "-status") == 0 ) { |
| 134 | /* PrintStatus(drive, cdrom); */ |
| 135 | } else |
| 136 | if ( strcmp(argv[i], "-list") == 0 ) { |
| 137 | ListTracks(cdrom); |
| 138 | } else |
| 139 | if ( strcmp(argv[i], "-play") == 0 ) { |
| 140 | int strack, sframe; |
| 141 | int ntrack, nframe; |
| 142 | |
| 143 | strack = 0; |
| 144 | if ( argv[i+1] && isdigit(argv[i+1][0]) ) { |
| 145 | strack = atoi(argv[++i]); |
| 146 | } |
| 147 | sframe = 0; |
| 148 | if ( argv[i+1] && isdigit(argv[i+1][0]) ) { |
| 149 | sframe = atoi(argv[++i]); |
| 150 | } |
| 151 | ntrack = 0; |
| 152 | if ( argv[i+1] && isdigit(argv[i+1][0]) ) { |
| 153 | ntrack = atoi(argv[++i]); |
| 154 | } |
| 155 | nframe = 0; |
| 156 | if ( argv[i+1] && isdigit(argv[i+1][0]) ) { |
| 157 | nframe = atoi(argv[++i]); |
| 158 | } |
| 159 | if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) { |
| 160 | if ( SDL_CDPlayTracks(cdrom, strack, sframe, |
| 161 | ntrack, nframe) < 0 ) { |
| 162 | fprintf(stderr, |
| 163 | "Couldn't play tracks %d/%d for %d/%d: %s\n", |
| 164 | strack, sframe, ntrack, nframe, SDL_GetError()); |
| 165 | } |
| 166 | } else { |
| 167 | fprintf(stderr, "No CD in drive!\n"); |
| 168 | } |
| 169 | } else |
| 170 | if ( strcmp(argv[i], "-pause") == 0 ) { |
| 171 | if ( SDL_CDPause(cdrom) < 0 ) { |
| 172 | fprintf(stderr, "Couldn't pause CD: %s\n", |
| 173 | SDL_GetError()); |
| 174 | } |
| 175 | } else |
| 176 | if ( strcmp(argv[i], "-resume") == 0 ) { |
| 177 | if ( SDL_CDResume(cdrom) < 0 ) { |
| 178 | fprintf(stderr, "Couldn't resume CD: %s\n", |
| 179 | SDL_GetError()); |
| 180 | } |
| 181 | } else |
| 182 | if ( strcmp(argv[i], "-stop") == 0 ) { |
| 183 | if ( SDL_CDStop(cdrom) < 0 ) { |
| 184 | fprintf(stderr, "Couldn't eject CD: %s\n", |
| 185 | SDL_GetError()); |
| 186 | } |
| 187 | } else |
| 188 | if ( strcmp(argv[i], "-eject") == 0 ) { |
| 189 | if ( SDL_CDEject(cdrom) < 0 ) { |
| 190 | fprintf(stderr, "Couldn't eject CD: %s\n", |
| 191 | SDL_GetError()); |
| 192 | } |
| 193 | } else |
| 194 | if ( (strcmp(argv[i], "-sleep") == 0) && |
| 195 | (argv[i+1] && isdigit(argv[i+1][0])) ) { |
| 196 | SDL_Delay(atoi(argv[++i])); |
| 197 | printf("Delayed %d milliseconds\n", atoi(argv[i])); |
| 198 | } else { |
| 199 | PrintUsage(argv[0]); |
| 200 | SDL_CDClose(cdrom); |
| 201 | quit(1); |
| 202 | } |
| 203 | } |
| 204 | PrintStatus(drive, cdrom); |
| 205 | SDL_CDClose(cdrom); |
| 206 | SDL_Quit(); |
| 207 | |
| 208 | return(0); |
| 209 | } |