Mercurial > sdl-ios-xcode
annotate docs/man3/SDL_CD.3 @ 3197:434ce3242e1c
Alexei Tereschenko
Why not to use hardware vertex processing instead of software one if
it is available in D3D render driver? With hardware processing
testsprite2 runs three times faster on all videocards which I could
test.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 16 Jun 2009 14:34:15 +0000 |
| parents | 546f7c1eb755 |
| children | 1238da4a7112 |
| rev | line source |
|---|---|
|
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Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
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1 .TH "SDL_CD" "3" "Tue 11 Sep 2001, 22:58" "SDL" "SDL API Reference" |
| 0 | 2 .SH "NAME" |
|
2283
546f7c1eb755
Merged revision 3472 from SDL 1.2, fixing bug #493
Sam Lantinga <slouken@libsdl.org>
parents:
181
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3 SDL_CD \- CDROM Drive Information |
| 0 | 4 .SH "STRUCTURE DEFINITION" |
| 5 .PP | |
| 6 .nf | |
| 7 \f(CWtypedef struct{ | |
| 8 int id; | |
| 9 CDstatus status; | |
| 10 int numtracks; | |
| 11 int cur_track; | |
| 12 int cur_frame; | |
| 13 SDL_CDtrack track[SDL_MAX_TRACKS+1]; | |
| 14 } SDL_CD;\fR | |
| 15 .fi | |
| 16 .PP | |
| 17 .SH "STRUCTURE DATA" | |
| 18 .TP 20 | |
| 19 \fBid\fR | |
| 20 Private drive identifier | |
| 21 .TP 20 | |
| 22 \fBstatus\fR | |
| 23 Drive \fIstatus\fR | |
| 24 .TP 20 | |
| 25 \fBnumtracks\fR | |
| 26 Number of tracks on the CD | |
| 27 .TP 20 | |
| 28 \fBcur_track\fR | |
| 29 Current track | |
| 30 .TP 20 | |
| 31 \fBcur_frame\fR | |
| 32 Current frame offset within the track | |
| 33 .TP 20 | |
| 34 \fBtrack\fR[SDL_MAX_TRACKS+1] | |
| 35 Array of track descriptions\&. (see \fI\fBSDL_CDtrack\fR\fR) | |
| 36 .SH "DESCRIPTION" | |
| 37 .PP | |
| 38 An \fBSDL_CD\fR structure is returned by \fI\fBSDL_CDOpen\fP\fR\&. It represents an opened CDROM device and stores information on the layout of the tracks on the disc\&. | |
| 39 .PP | |
| 40 A frame is the base data unit of a CD\&. \fBCD_FPS\fP frames is equal to 1 second of music\&. SDL provides two macros for converting between time and frames: \fBFRAMES_TO_MSF(f, M,S,F)\fP and \fBMSF_TO_FRAMES\fP\&. | |
| 41 .SH "EXAMPLES" | |
| 42 .PP | |
| 43 .nf | |
| 44 \f(CWint min, sec, frame; | |
| 45 int frame_offset; | |
| 46 | |
| 47 FRAMES_TO_MSF(cdrom->cur_frame, &min, &sec, &frame); | |
| 48 printf("Current Position: %d minutes, %d seconds, %d frames | |
| 49 ", min, sec, frame); | |
| 50 | |
| 51 frame_offset=MSF_TO_FRAMES(min, sec, frame);\fR | |
| 52 .fi | |
| 53 .PP | |
| 54 .SH "SEE ALSO" | |
| 55 .PP | |
| 56 \fI\fBSDL_CDOpen\fP\fR, \fI\fBSDL_CDtrack\fR\fR | |
|
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Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
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57 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:58 |