Mercurial > sdl-ios-xcode
annotate docs/html/sdlbuildaudiocvt.html @ 3958:85b6fb6a5e3c SDL-1.2
Actually, this is a better fix...clear the error state once if everything we
need loaded; it's more efficient, and works even if the last unnecessary
xrandr symbol failed to load. Otherwise, leave the original loadso error, so
the end user can find out what symbol failed.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Wed, 13 Jun 2007 08:00:10 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_BuildAudioCVT</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_AudioCVT" | |
| 17 HREF="sdlaudiocvt.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_ConvertAudio" | |
| 20 HREF="sdlconvertaudio.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="sdlaudiocvt.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="sdlconvertaudio.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="SDLBUILDAUDIOCVT" | |
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74 ></A |
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75 >SDL_BuildAudioCVT</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN7002" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_BuildAudioCVT -- Initializes a SDL_AudioCVT structure for conversion</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN7005" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN7006" |
| 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 >int <B | |
| 106 CLASS="FSFUNC" | |
| 107 >SDL_BuildAudioCVT</B | |
| 108 ></CODE | |
| 109 >(SDL_AudioCVT *cvt, Uint16 src_format, Uint8 src_channels, int src_rate, Uint16 dst_format, Uint8 dst_channels, int dst_rate);</CODE | |
| 110 ></P | |
| 111 ><P | |
| 112 ></P | |
| 113 ></DIV | |
| 114 ></DIV | |
| 115 ><DIV | |
| 116 CLASS="REFSECT1" | |
| 117 ><A | |
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118 NAME="AEN7012" |
| 0 | 119 ></A |
| 120 ><H2 | |
| 121 >Description</H2 | |
| 122 ><P | |
| 123 >Before an <A | |
| 124 HREF="sdlaudiocvt.html" | |
| 125 ><SPAN | |
| 126 CLASS="STRUCTNAME" | |
| 127 >SDL_AudioCVT</SPAN | |
| 128 ></A | |
| 129 > structure can be used to convert audio data it must be initialized with source and destination information. </P | |
| 130 ><P | |
| 131 ><TT | |
| 132 CLASS="PARAMETER" | |
| 133 ><I | |
| 134 >src_format</I | |
| 135 ></TT | |
| 136 > and <TT | |
| 137 CLASS="PARAMETER" | |
| 138 ><I | |
| 139 >dst_format</I | |
| 140 ></TT | |
| 141 > are the source and destination format of the conversion. (For information on audio formats see <A | |
| 142 HREF="sdlaudiospec.html" | |
| 143 ><SPAN | |
| 144 CLASS="STRUCTNAME" | |
| 145 > SDL_AudioSpec</SPAN | |
| 146 ></A | |
| 147 >). <TT | |
| 148 CLASS="PARAMETER" | |
| 149 ><I | |
| 150 >src_channels</I | |
| 151 ></TT | |
| 152 > and <TT | |
| 153 CLASS="PARAMETER" | |
| 154 ><I | |
| 155 >dst_channels</I | |
| 156 ></TT | |
| 157 > are the number of channels in the source and destination formats. Finally, <TT | |
| 158 CLASS="PARAMETER" | |
| 159 ><I | |
| 160 >src_rate</I | |
| 161 ></TT | |
| 162 > and <TT | |
| 163 CLASS="PARAMETER" | |
| 164 ><I | |
| 165 >dst_rate</I | |
| 166 ></TT | |
| 167 > are the frequency or samples-per-second of the source and destination formats. Once again, see <A | |
| 168 HREF="sdlaudiospec.html" | |
| 169 ><SPAN | |
| 170 CLASS="STRUCTNAME" | |
| 171 >SDL_AudioSpec</SPAN | |
| 172 ></A | |
| 173 >.</P | |
| 174 ></DIV | |
| 175 ><DIV | |
| 176 CLASS="REFSECT1" | |
| 177 ><A | |
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178 NAME="AEN7028" |
| 0 | 179 ></A |
| 180 ><H2 | |
| 181 >Return Values</H2 | |
| 182 ><P | |
| 183 >Returns <SPAN | |
| 184 CLASS="RETURNVALUE" | |
| 185 >-1</SPAN | |
| 186 > if the filter could not be built or 1 if it could.</P | |
| 187 ></DIV | |
| 188 ><DIV | |
| 189 CLASS="REFSECT1" | |
| 190 ><A | |
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191 NAME="AEN7032" |
| 0 | 192 ></A |
| 193 ><H2 | |
| 194 >Examples</H2 | |
| 195 ><P | |
| 196 >See <A | |
| 197 HREF="sdlconvertaudio.html" | |
| 198 ><TT | |
| 199 CLASS="FUNCTION" | |
| 200 >SDL_ConvertAudio</TT | |
| 201 ></A | |
| 202 >.</P | |
| 203 ></DIV | |
| 204 ><DIV | |
| 205 CLASS="REFSECT1" | |
| 206 ><A | |
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207 NAME="AEN7037" |
| 0 | 208 ></A |
| 209 ><H2 | |
| 210 >See Also</H2 | |
| 211 ><P | |
| 212 ><A | |
| 213 HREF="sdlconvertaudio.html" | |
| 214 ><TT | |
| 215 CLASS="FUNCTION" | |
| 216 >SDL_ConvertAudio</TT | |
| 217 ></A | |
| 218 >, | |
| 219 <A | |
| 220 HREF="sdlaudiocvt.html" | |
| 221 ><TT | |
| 222 CLASS="FUNCTION" | |
| 223 >SDL_AudioCVT</TT | |
| 224 ></A | |
| 225 ></P | |
| 226 ></DIV | |
| 227 ><DIV | |
| 228 CLASS="NAVFOOTER" | |
| 229 ><HR | |
| 230 ALIGN="LEFT" | |
| 231 WIDTH="100%"><TABLE | |
|
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232 SUMMARY="Footer navigation table" |
| 0 | 233 WIDTH="100%" |
| 234 BORDER="0" | |
| 235 CELLPADDING="0" | |
| 236 CELLSPACING="0" | |
| 237 ><TR | |
| 238 ><TD | |
| 239 WIDTH="33%" | |
| 240 ALIGN="left" | |
| 241 VALIGN="top" | |
| 242 ><A | |
| 243 HREF="sdlaudiocvt.html" | |
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244 ACCESSKEY="P" |
| 0 | 245 >Prev</A |
| 246 ></TD | |
| 247 ><TD | |
| 248 WIDTH="34%" | |
| 249 ALIGN="center" | |
| 250 VALIGN="top" | |
| 251 ><A | |
| 252 HREF="index.html" | |
|
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253 ACCESSKEY="H" |
| 0 | 254 >Home</A |
| 255 ></TD | |
| 256 ><TD | |
| 257 WIDTH="33%" | |
| 258 ALIGN="right" | |
| 259 VALIGN="top" | |
| 260 ><A | |
| 261 HREF="sdlconvertaudio.html" | |
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262 ACCESSKEY="N" |
| 0 | 263 >Next</A |
| 264 ></TD | |
| 265 ></TR | |
| 266 ><TR | |
| 267 ><TD | |
| 268 WIDTH="33%" | |
| 269 ALIGN="left" | |
| 270 VALIGN="top" | |
| 271 >SDL_AudioCVT</TD | |
| 272 ><TD | |
| 273 WIDTH="34%" | |
| 274 ALIGN="center" | |
| 275 VALIGN="top" | |
| 276 ><A | |
| 277 HREF="audio.html" | |
|
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278 ACCESSKEY="U" |
| 0 | 279 >Up</A |
| 280 ></TD | |
| 281 ><TD | |
| 282 WIDTH="33%" | |
| 283 ALIGN="right" | |
| 284 VALIGN="top" | |
| 285 >SDL_ConvertAudio</TD | |
| 286 ></TR | |
| 287 ></TABLE | |
| 288 ></DIV | |
| 289 ></BODY | |
| 290 ></HTML | |
| 291 > |