view docs/html/sdlcdopen.html @ 1438:1f4f09641645

Date: Sun, 26 Feb 2006 11:25:09 +0900 From: Hayashi Naoyuki Subject: Re: [SDL] CVS stable again, please update SDL ports Some problems are caused on Tru64 UNIX. If applying SDL12-osf1.path, these problems are fixed. 1. configure-script say "recursive mutexes... no" and "pthread semaphores... no". checking for pthreads... yes checking for recursive mutexes... no checking for pthread semaphores... no This is because it compiled without pthread_cflags and pthread_lib when checking recursive mutexes and pthread semaphores. 2. Compiling src/audio/mme/SDL_mmeaudio.c fails. cc: Severe: ./src/audio/mme/SDL_mmeaudio.c, line 25: Cannot find file <mme_api.h> specified in #include directive. (noinclfilef) #include <mme_api.h> -^ This is because BUILD_CFLAGS is wrong. 3. Compiling src/cdrom/osf/SDL_syscdrom.c fails. cc: Warning: ./src/cdrom/osf/SDL_syscdrom.c, line 176: Too few actual parameters in the invocation of the macro "SDL_stack_alloc". (toofewactuals) cdpath = SDL_stack_alloc(len); ------------------------------------^ cc: Error: ./src/cdrom/osf/SDL_syscdrom.c, line 176: Invalid expression. (badexpr) cdpath = SDL_stack_alloc(len); -----------------^ SDL_stack_alloc is defined in include/SDL_stdinc.h. #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*count) 4. Linking fails if running configure with --enable-x11-shared=yes. /usr/ccs/bin/ld: Warning: Unresolved: p_XData32 5. Compiling src/video/x11/SDL_x11dyn.c fails if running configure with --enable-x11-shared=no. cc: Error: ./src/video/x11/SDL_x11sym.h, line 149: In this statement, "_SmtBufferOverflow" is not declared. (undeclared) SDL_X11_SYM(1,void,_SmtBufferOverflow,(Display *dpy,register smtDisplayPtr)) ^ cc: Error: ./src/video/x11/SDL_x11sym.h, line 150: In this statement, "_SmtBufferOverflow" is not declared. (undeclared) SDL_X11_SYM(1,void,_SmtBufferOverflow,(Display *dpy,register smtDisplayPtr)) ^ cc: Error: ./src/video/x11/SDL_x11sym.h, line 150: In this statement, "_SmtIpError" is not declared. (undeclared) SDL_X11_SYM(1,void,_SmtIpError,(Display *dpy,register smtDisplayPtr, int)) ^
author Sam Lantinga <slouken@libsdl.org>
date Sun, 26 Feb 2006 04:54:01 +0000 (2006-02-26)
parents 355632dca928
children
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<HTML
><HEAD
><TITLE
>SDL_CDOpen</TITLE
><META
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
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><H1
><A
NAME="SDLCDOPEN"
></A
>SDL_CDOpen</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN7274"
></A
><H2
>Name</H2
>SDL_CDOpen&nbsp;--&nbsp;Opens a CD-ROM drive for access.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN7277"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN7278"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>SDL_CD *<B
CLASS="FSFUNC"
>SDL_CDOpen</B
></CODE
>(int drive);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7284"
></A
><H2
>Description</H2
><P
>Opens a CD-ROM drive for access.  It returns a <A
HREF="sdlcd.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_CD</SPAN
></A
> structure on success, or <TT
CLASS="LITERAL"
>NULL</TT
> if the drive was invalid or busy.  This newly opened CD-ROM becomes the default CD used when other CD functions are passed a <TT
CLASS="LITERAL"
>NULL</TT
> CD-ROM handle. </P
><P
>Drives are numbered starting with 0.  
Drive 0 is the system default CD-ROM.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN7292"
></A
><H2
>Examples</H2
><PRE
CLASS="PROGRAMLISTING"
>SDL_CD *cdrom;
int cur_track;
int min, sec, frame;
SDL_Init(SDL_INIT_CDROM);
atexit(SDL_Quit);

/* Check for CD drives */
if(!SDL_CDNumDrives()){
  /* None found */
  fprintf(stderr, "No CDROM devices available\n");
  exit(-1);
}

/* Open the default drive */
cdrom=SDL_CDOpen(0);

/* Did if open? Check if cdrom is NULL */
if(!cdrom){
  fprintf(stderr, "Couldn't open drive: %s\n", SDL_GetError());
  exit(-1);
}

/* Print Volume info */
printf("Name: %s\n", SDL_CDName(0));
printf("Tracks: %d\n", cdrom-&#62;numtracks);
for(cur_track=0;cur_track &#60; cdrom-&#62;numtracks; cur_track++){
  FRAMES_TO_MSF(cdrom-&#62;track[cur_track].length, &#38;min, &#38;sec, &#38;frame);
  printf("\tTrack %d: Length %d:%d\n", cur_track, min, sec);
}

SDL_CDClose(cdrom);</PRE
></DIV
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><A
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></A
><H2
>See Also</H2
><P
><A
HREF="sdlcd.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_CD</SPAN
></A
>,
<A
HREF="sdlcdtrack.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_CDtrack</SPAN
></A
>,
<A
HREF="sdlcdclose.html"
><TT
CLASS="FUNCTION"
>SDL_CDClose</TT
></A
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