test/testcdrom.c

   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 }