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Man Pages
SDL_CD(3) SDL API Reference SDL_CD(3)

SDL_CD - CDROM Drive Information

typedef struct{
  int id;
  CDstatus status;
  int numtracks;
  int cur_track;
  int cur_frame;
  SDL_CDtrack track[SDL_MAX_TRACKS+1];
} SDL_CD;

id
Private drive identifier
status
Drive status
numtracks
Number of tracks on the CD
cur_track
Current track
cur_frame
Current frame offset within the track
track[SDL_MAX_TRACKS+1]
Array of track descriptions. (see SDL_CDtrack)

An SDL_CD structure is returned by SDL_CDOpen. It represents an opened CDROM device and stores information on the layout of the tracks on the disc.

A frame is the base data unit of a CD. CD_FPS frames is equal to 1 second of music. SDL provides two macros for converting between time and frames: FRAMES_TO_MSF(f, M,S,F) and MSF_TO_FRAMES.

int min, sec, frame;
int frame_offset;
FRAMES_TO_MSF(cdrom->cur_frame, &min, &sec, &frame);
printf("Current Position: %d minutes, %d seconds, %d frames
", min, sec, frame);
frame_offset=MSF_TO_FRAMES(min, sec, frame);

SDL_CDOpen, SDL_CDtrack
Tue 11 Sep 2001, 22:58 SDL

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