diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/libsdl-trunk/docs/html/sdlcd.html --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/libsdl-trunk/docs/html/sdlcd.html Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,359 @@ +SDL_CD
SDL Library Documentation
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SDL_CD

Name

SDL_CD -- CDROM Drive Information

Structure Definition

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

Structure Data

idPrivate drive identifier
statusDrive status
numtracksNumber of tracks on the CD
cur_trackCurrent track
cur_frameCurrent frame offset within the track
track[SDL_MAX_TRACKS+1]Array of track descriptions. (see SDL_CDtrack)

Description

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.

Examples

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\n", min, sec, frame);
+
+frame_offset=MSF_TO_FRAMES(min, sec, frame);

See Also

SDL_CDOpen, +SDL_CDtrack

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