annotate docs/man3/SDL_CD.3 @ 4134:31c7c57af8a4 SDL-1.2

Updates for building on Windows CE using mingw32ce cross compiler: http://sourceforge.net/mailarchive/forum.php?thread_name 0703291652.38437.jwalt%40garni.ch&forum_name=cegcc-devel Hi! I just managed to compile SDL for Windows CE using the "mingw32ce" configuration of http://cegcc.sourceforge.net. Test programs work as expected (except for those using signals -- no POSIX on mingw32ce), and I didn't yet encounter any problem. While it was a pain to get everything compiled and running, the changes to SDL are actually quite small (see attached SDL-ce.diff). Unfortunately, the win32 headers shipped with cegcc are not 100% correct, and it feels quite messy to work around them in SDL code, so those headers will also need to be patched. (Attachment: win32api-ce.diff) Since I had to apply the libtool patch from the cegcc patch, I have also ad ded my copy of aclocal.m4 for SDL. I had to modify the cegcc libtool patch to use "lt_cv_deplibs_check_method=pass_all" for mingw32ce, otherwise libtool would not recognize the import libraries as valid for dynamic linking. All these changes should not affect non-WinCE builds, so they could be included in mainline SDL. If you need some docs, you can use this description for a cross-compilation README: 1) get cegcc from http://cegcc.sourceforge.net 2) build and install the "mingw32ce" variant (see cegcc installation docs) 3) patch w32api-headers (if not yet included in cegcc) 4) setup environment (customize the first three lines as you like): PREFIX=/opt/mingw32ce TARGET=arm-wince-mingw32ce BUILD=`uname -m`-pc-linux-gnu export PATH="$PREFIX/bin:$PREFIX/$TARGET/bin:$PREFIX/local/bin:$PATH" export CFLAGS="${CFLAGS:- -O2 -g} -I$PREFIX/local/include" export CPPFLAGS="${CPPFLAGS:- -O2 -g} -I$PREFIX/local/include" export CXXFLAGS="${CXXFLAGS:- -O2 -g} -I$PREFIX/local/include" export LDFLAGS="${LDFLAGS:- -O2 -g} -L$PREFIX/local/lib" export HOST_CC="gcc" export CC="$PREFIX/bin/$TARGET-gcc" export CXX="$PREFIX/bin/$TARGET-g++" export LD="$PREFIX/bin/$TARGET-ld" export AS="$PREFIX/bin/$TARGET-as" export AR="$PREFIX/bin/$TARGET-ar" export RANLIB="$PREFIX/bin/$TARGET-ranlib" export CONFIG_SHELL="/bin/sh" 5) build and install ./configure --target=$TARGET --host=$TARGET --build=$BUILD make make install 6) use (4) and (5) for any SDL-using software you want to cross-compile 7) copy $PREFIX/local/bin/SDL-1-2-0.dll into your executable directory on the WinCE machine
author Sam Lantinga <slouken@libsdl.org>
date Thu, 03 Jan 2008 06:19:07 +0000
parents 4e3b250c950e
children 1238da4a7112
rev   line source
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1 .TH "SDL_CD" "3" "Tue 11 Sep 2001, 22:58" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_CD \- CDROM Drive Information
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4 .SH "STRUCTURE DEFINITION"
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5 .PP
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6 .nf
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7 \f(CWtypedef struct{
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8 int id;
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9 CDstatus status;
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10 int numtracks;
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11 int cur_track;
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12 int cur_frame;
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13 SDL_CDtrack track[SDL_MAX_TRACKS+1];
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14 } SDL_CD;\fR
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15 .fi
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16 .PP
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17 .SH "STRUCTURE DATA"
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18 .TP 20
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19 \fBid\fR
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20 Private drive identifier
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21 .TP 20
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22 \fBstatus\fR
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23 Drive \fIstatus\fR
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24 .TP 20
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25 \fBnumtracks\fR
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26 Number of tracks on the CD
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27 .TP 20
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28 \fBcur_track\fR
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29 Current track
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30 .TP 20
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31 \fBcur_frame\fR
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32 Current frame offset within the track
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33 .TP 20
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34 \fBtrack\fR[SDL_MAX_TRACKS+1]
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35 Array of track descriptions\&. (see \fI\fBSDL_CDtrack\fR\fR)
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36 .SH "DESCRIPTION"
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37 .PP
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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\&.
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39 .PP
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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\&.
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41 .SH "EXAMPLES"
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42 .PP
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43 .nf
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44 \f(CWint min, sec, frame;
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45 int frame_offset;
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46
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47 FRAMES_TO_MSF(cdrom->cur_frame, &min, &sec, &frame);
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48 printf("Current Position: %d minutes, %d seconds, %d frames
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49 ", min, sec, frame);
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50
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51 frame_offset=MSF_TO_FRAMES(min, sec, frame);\fR
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52 .fi
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53 .PP
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54 .SH "SEE ALSO"
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55 .PP
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56 \fI\fBSDL_CDOpen\fP\fR, \fI\fBSDL_CDtrack\fR\fR
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57 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:58