Mercurial > sdl-ios-xcode
view docs/html/sdlfreewav.html @ 1798:49b4b8413734
Date: Tue, 9 May 2006 23:01:49 -0400
From: Mike Frysinger
Subject: [SDL] [patch] fall back to using MAP_PRIVATE with mmap() in fbcon dri
trying to use MAP_SHARED with mmap() on uClinux (aka non-mmu) hosts nowadays
will simply fail since the kernel disallows it ... falling back to using
MAP_PRIVATE on these hosts is acceptable ... as such, ive attached a patch
for the fbcon driver that will fall back to using MAP_PRIVATE if mmap() with
MAP_SHARED failed
going by a grep of MAP_SHARED, the only other drivers that utilize this flag
are video/wscons, video/ps2gs, and sound/dmaaudio ... i dont think these
would appear on a non-mmu host so the patch i wrote is restricted to just
SDL_fbvideo.c ...
-mike
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Wed, 10 May 2006 04:05:46 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_FreeWAV</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="Audio" HREF="audio.html"><LINK REL="PREVIOUS" TITLE="SDL_LoadWAV" HREF="sdlloadwav.html"><LINK REL="NEXT" TITLE="SDL_AudioCVT" HREF="sdlaudiocvt.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >SDL Library Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="sdlloadwav.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlaudiocvt.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLFREEWAV" ></A >SDL_FreeWAV</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN6857" ></A ><H2 >Name</H2 >SDL_FreeWAV -- Frees previously opened WAV data</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN6860" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN6861" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >void <B CLASS="FSFUNC" >SDL_FreeWAV</B ></CODE >(Uint8 *audio_buf);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN6867" ></A ><H2 >Description</H2 ><P >After a WAVE file has been opened with <A HREF="sdlloadwav.html" ><TT CLASS="FUNCTION" >SDL_LoadWAV</TT ></A > its data can eventually be freed with <TT CLASS="FUNCTION" >SDL_FreeWAV</TT >. <TT CLASS="PARAMETER" ><I >audio_buf</I ></TT > is a pointer to the buffer created by <TT CLASS="FUNCTION" >SDL_LoadWAV</TT >.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN6875" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlloadwav.html" ><TT CLASS="FUNCTION" >SDL_LoadWAV</TT ></A ></P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdlloadwav.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlaudiocvt.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_LoadWAV</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="audio.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_AudioCVT</TD ></TR ></TABLE ></DIV ></BODY ></HTML >