CDROM Examples
Listing CD-ROM drives
#include "SDL.h"
+
+ /* Initialize SDL first */
+ if ( SDL_Init(SDL_INIT_CDROM) < 0 ) {
+ fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
+ exit(1);
+ }
+ atexit(SDL_Quit);
+
+ /* Find out how many CD-ROM drives are connected to the system */
+ printf("Drives available: %d\n", SDL_CDNumDrives());
+ for ( i=0; i<SDL_CDNumDrives(); ++i ) {
+ printf("Drive %d: \"%s\"\n", i, SDL_CDName(i));
+ }Opening the default drive
SDL_CD *cdrom;
+ CDstatus status;
+ char *status_str;
+
+ cdrom = SDL_CDOpen(0);
+ if ( cdrom == NULL ) {
+ fprintf(stderr, "Couldn't open default CD-ROM drive: %s\n",
+ SDL_GetError());
+ exit(2);
+ }
+
+ status = SDL_CDStatus(cdrom);
+ switch (status) {
+ case CD_TRAYEMPTY:
+ status_str = "tray empty";
+ break;
+ case CD_STOPPED:
+ status_str = "stopped";
+ break;
+ case CD_PLAYING:
+ status_str = "playing";
+ break;
+ case CD_PAUSED:
+ status_str = "paused";
+ break;
+ case CD_ERROR:
+ status_str = "error state";
+ break;
+ }
+ printf("Drive status: %s\n", status_str);
+ if ( status >= CD_PLAYING ) {
+ int m, s, f;
+ FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f);
+ printf("Currently playing track %d, %d:%2.2d\n",
+ cdrom->track[cdrom->cur_track].id, m, s);
+ }Listing the tracks on a CD
SDL_CD *cdrom; /* Assuming this has already been set.. */
+ int i;
+ int m, s, f;
+
+ SDL_CDStatus(cdrom);
+ printf("Drive tracks: %d\n", cdrom->numtracks);
+ for ( i=0; i<cdrom->numtracks; ++i ) {
+ FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f);
+ if ( f > 0 )
+ ++s;
+ printf("\tTrack (index %d) %d: %d:%2.2d\n", i,
+ cdrom->track[i].id, m, s);
+ }Play an entire CD
SDL_CD *cdrom; /* Assuming this has already been set.. */
+
+ // Play entire CD:
+ if ( CD_INDRIVE(SDL_CDStatus(cdrom)) )
+ SDL_CDPlayTracks(cdrom, 0, 0, 0, 0);
+
+ // Play last track:
+ if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
+ SDL_CDPlayTracks(cdrom, cdrom->numtracks-1, 0, 0, 0);
+ }
+
+ // Play first and second track and 10 seconds of third track:
+ if ( CD_INDRIVE(SDL_CDStatus(cdrom)) )
+ SDL_CDPlayTracks(cdrom, 0, 0, 2, CD_FPS * 10);