Mercurial > sdl-ios-xcode
annotate docs/html/sdllockaudio.html @ 809:dba98fb391e7
Date: Tue, 13 Jan 2004 19:25:37 +0300
From: Dmitry Yakimov
Subject: [SDL] [PATCH] SDL bug patch
Let me introduce 2 fixes to SDL.
1. Preventing great slowdown on fast machines while hardware
flipping (it's obviously bug).
2. Setting up 85 Hz of monitor if supported. The reason is that
Win98 by default sets lowest frequency 60 Hz.
And we can't set up maximum frequency because some users can have
wrong monitor drivers.
This is important for shareware and commercial programs.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 11 Feb 2004 16:10:16 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_LockAudio</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
| 0 | 8 "><LINK |
| 9 REL="HOME" | |
| 10 TITLE="SDL Library Documentation" | |
| 11 HREF="index.html"><LINK | |
| 12 REL="UP" | |
| 13 TITLE="Audio" | |
| 14 HREF="audio.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_MixAudio" | |
| 17 HREF="sdlmixaudio.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_UnlockAudio" | |
| 20 HREF="sdlunlockaudio.html"></HEAD | |
| 21 ><BODY | |
| 22 CLASS="REFENTRY" | |
| 23 BGCOLOR="#FFF8DC" | |
| 24 TEXT="#000000" | |
| 25 LINK="#0000ee" | |
| 26 VLINK="#551a8b" | |
| 27 ALINK="#ff0000" | |
| 28 ><DIV | |
| 29 CLASS="NAVHEADER" | |
| 30 ><TABLE | |
|
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31 SUMMARY="Header navigation table" |
| 0 | 32 WIDTH="100%" |
| 33 BORDER="0" | |
| 34 CELLPADDING="0" | |
| 35 CELLSPACING="0" | |
| 36 ><TR | |
| 37 ><TH | |
| 38 COLSPAN="3" | |
| 39 ALIGN="center" | |
| 40 >SDL Library Documentation</TH | |
| 41 ></TR | |
| 42 ><TR | |
| 43 ><TD | |
| 44 WIDTH="10%" | |
| 45 ALIGN="left" | |
| 46 VALIGN="bottom" | |
| 47 ><A | |
| 48 HREF="sdlmixaudio.html" | |
|
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49 ACCESSKEY="P" |
| 0 | 50 >Prev</A |
| 51 ></TD | |
| 52 ><TD | |
| 53 WIDTH="80%" | |
| 54 ALIGN="center" | |
| 55 VALIGN="bottom" | |
| 56 ></TD | |
| 57 ><TD | |
| 58 WIDTH="10%" | |
| 59 ALIGN="right" | |
| 60 VALIGN="bottom" | |
| 61 ><A | |
| 62 HREF="sdlunlockaudio.html" | |
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63 ACCESSKEY="N" |
| 0 | 64 >Next</A |
| 65 ></TD | |
| 66 ></TR | |
| 67 ></TABLE | |
| 68 ><HR | |
| 69 ALIGN="LEFT" | |
| 70 WIDTH="100%"></DIV | |
| 71 ><H1 | |
| 72 ><A | |
| 73 NAME="SDLLOCKAUDIO" | |
|
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74 ></A |
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75 >SDL_LockAudio</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN7134" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_LockAudio -- Lock out the callback function</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN7137" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN7138" |
| 0 | 95 ></A |
| 96 ><P | |
| 97 ></P | |
| 98 ><PRE | |
| 99 CLASS="FUNCSYNOPSISINFO" | |
| 100 >#include "SDL.h"</PRE | |
| 101 ><P | |
| 102 ><CODE | |
| 103 ><CODE | |
| 104 CLASS="FUNCDEF" | |
| 105 >void <B | |
| 106 CLASS="FSFUNC" | |
| 107 >SDL_LockAudio</B | |
| 108 ></CODE | |
| 109 >(void);</CODE | |
| 110 ></P | |
| 111 ><P | |
| 112 ></P | |
| 113 ></DIV | |
| 114 ></DIV | |
| 115 ><DIV | |
| 116 CLASS="REFSECT1" | |
| 117 ><A | |
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118 NAME="AEN7144" |
| 0 | 119 ></A |
| 120 ><H2 | |
| 121 >Description</H2 | |
| 122 ><P | |
| 123 >The lock manipulated by these functions protects the callback function. | |
| 124 During a LockAudio period, you can be guaranteed that the | |
| 125 callback function is not running. Do not call these from the callback | |
| 126 function or you will cause deadlock.</P | |
| 127 ></DIV | |
| 128 ><DIV | |
| 129 CLASS="REFSECT1" | |
| 130 ><A | |
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131 NAME="AEN7147" |
| 0 | 132 ></A |
| 133 ><H2 | |
| 134 >See Also</H2 | |
| 135 ><P | |
| 136 ><A | |
| 137 HREF="sdlopenaudio.html" | |
| 138 ><TT | |
| 139 CLASS="FUNCTION" | |
| 140 >SDL_OpenAudio</TT | |
| 141 ></A | |
| 142 ></P | |
| 143 ></DIV | |
| 144 ><DIV | |
| 145 CLASS="NAVFOOTER" | |
| 146 ><HR | |
| 147 ALIGN="LEFT" | |
| 148 WIDTH="100%"><TABLE | |
|
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149 SUMMARY="Footer navigation table" |
| 0 | 150 WIDTH="100%" |
| 151 BORDER="0" | |
| 152 CELLPADDING="0" | |
| 153 CELLSPACING="0" | |
| 154 ><TR | |
| 155 ><TD | |
| 156 WIDTH="33%" | |
| 157 ALIGN="left" | |
| 158 VALIGN="top" | |
| 159 ><A | |
| 160 HREF="sdlmixaudio.html" | |
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parents:
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161 ACCESSKEY="P" |
| 0 | 162 >Prev</A |
| 163 ></TD | |
| 164 ><TD | |
| 165 WIDTH="34%" | |
| 166 ALIGN="center" | |
| 167 VALIGN="top" | |
| 168 ><A | |
| 169 HREF="index.html" | |
|
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parents:
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170 ACCESSKEY="H" |
| 0 | 171 >Home</A |
| 172 ></TD | |
| 173 ><TD | |
| 174 WIDTH="33%" | |
| 175 ALIGN="right" | |
| 176 VALIGN="top" | |
| 177 ><A | |
| 178 HREF="sdlunlockaudio.html" | |
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355632dca928
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parents:
181
diff
changeset
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179 ACCESSKEY="N" |
| 0 | 180 >Next</A |
| 181 ></TD | |
| 182 ></TR | |
| 183 ><TR | |
| 184 ><TD | |
| 185 WIDTH="33%" | |
| 186 ALIGN="left" | |
| 187 VALIGN="top" | |
| 188 >SDL_MixAudio</TD | |
| 189 ><TD | |
| 190 WIDTH="34%" | |
| 191 ALIGN="center" | |
| 192 VALIGN="top" | |
| 193 ><A | |
| 194 HREF="audio.html" | |
|
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
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195 ACCESSKEY="U" |
| 0 | 196 >Up</A |
| 197 ></TD | |
| 198 ><TD | |
| 199 WIDTH="33%" | |
| 200 ALIGN="right" | |
| 201 VALIGN="top" | |
| 202 >SDL_UnlockAudio</TD | |
| 203 ></TR | |
| 204 ></TABLE | |
| 205 ></DIV | |
| 206 ></BODY | |
| 207 ></HTML | |
| 208 > |