SDL_CDStatus — Returns the current status of the given drive.
#include "SDL.h"
CDstatus SDL_CDStatus( |
SDL_CD * | cdrom) ; |
/* Given a status, returns true if there's a disk in the drive */ #define CD_INDRIVE(status) ((int)status > 0)
This function returns the current status of the given drive. Status is described like so:
typedef enum { CD_TRAYEMPTY, CD_STOPPED, CD_PLAYING, CD_PAUSED, CD_ERROR = -1 } CDstatus;
If the drive has a CD in it, the table of contents of the CD and current play position of the CD will be stored in the SDL_CD structure.
The macro CD_INDRIVE
is
provided for convenience, and given a status returns true if
there's a disk in the drive.
Note
SDL_CDStatus
also updates theSDL_CD
structure passed to it.
int playTrack(int track) { int playing = 0; if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) { /* clamp to the actual number of tracks on the CD */ if (track >= cdrom->numtracks) { track = cdrom->numtracks-1; } if ( SDL_CDPlayTracks(cdrom, track, 0, 1, 0) == 0 ) { playing = 1; } } return playing; }