Mercurial > sdl-ios-xcode
annotate docs/html/sdlbuildaudiocvt.html @ 693:6c119628180d
Date: Sat, 16 Aug 2003 16:22:56 +0300
From: "Mike Gorchak"
Subject: Package building for QNX6
I'm just completed the package description file for QNX6 - qpg, it is like a\
.spec files for Linux. Please place SDL.qpg.in file in the root of the proj\
ect, where .spec file is placed. And sdl12qpg.diff - just adding the SDL.qpg\
.in. The same for the SDL_image. I'm planning to add .qpg files creation for\
all SDL* projects.
As for shared library building for QNX6. It is very hard to improve the exis\
ting libtool code to support QNX shared libraries. Much easyiest is to remov\
e libtool.m4 code from the acinclude.m4 for those persons, who building shar\
ed libraries for QNX6. I'm described all what they need to do with .so under\
QNX6 in the README.QNX file. And 90% of people used the precompiled librari\
es, so I think it is not big problem :)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 23 Aug 2003 23:25:46 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 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 1.64 |
| 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 | |
| 31 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdlaudiocvt.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdlconvertaudio.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLBUILDAUDIOCVT" | |
| 71 >SDL_BuildAudioCVT</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN6614" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_BuildAudioCVT -- Initializes a SDL_AudioCVT structure for conversion</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
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84 NAME="AEN6617" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
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91 NAME="AEN6618" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >int <B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_BuildAudioCVT</B | |
| 105 ></CODE | |
| 106 >(SDL_AudioCVT *cvt, Uint16 src_format, Uint8 src_channels, int src_rate, Uint16 dst_format, Uint8 dst_channels, int dst_rate);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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115 NAME="AEN6624" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >Before an <A | |
| 121 HREF="sdlaudiocvt.html" | |
| 122 ><SPAN | |
| 123 CLASS="STRUCTNAME" | |
| 124 >SDL_AudioCVT</SPAN | |
| 125 ></A | |
| 126 > structure can be used to convert audio data it must be initialized with source and destination information. </P | |
| 127 ><P | |
| 128 ><TT | |
| 129 CLASS="PARAMETER" | |
| 130 ><I | |
| 131 >src_format</I | |
| 132 ></TT | |
| 133 > and <TT | |
| 134 CLASS="PARAMETER" | |
| 135 ><I | |
| 136 >dst_format</I | |
| 137 ></TT | |
| 138 > are the source and destination format of the conversion. (For information on audio formats see <A | |
| 139 HREF="sdlaudiospec.html" | |
| 140 ><SPAN | |
| 141 CLASS="STRUCTNAME" | |
| 142 > SDL_AudioSpec</SPAN | |
| 143 ></A | |
| 144 >). <TT | |
| 145 CLASS="PARAMETER" | |
| 146 ><I | |
| 147 >src_channels</I | |
| 148 ></TT | |
| 149 > and <TT | |
| 150 CLASS="PARAMETER" | |
| 151 ><I | |
| 152 >dst_channels</I | |
| 153 ></TT | |
| 154 > are the number of channels in the source and destination formats. Finally, <TT | |
| 155 CLASS="PARAMETER" | |
| 156 ><I | |
| 157 >src_rate</I | |
| 158 ></TT | |
| 159 > and <TT | |
| 160 CLASS="PARAMETER" | |
| 161 ><I | |
| 162 >dst_rate</I | |
| 163 ></TT | |
| 164 > are the frequency or samples-per-second of the source and destination formats. Once again, see <A | |
| 165 HREF="sdlaudiospec.html" | |
| 166 ><SPAN | |
| 167 CLASS="STRUCTNAME" | |
| 168 >SDL_AudioSpec</SPAN | |
| 169 ></A | |
| 170 >.</P | |
| 171 ></DIV | |
| 172 ><DIV | |
| 173 CLASS="REFSECT1" | |
| 174 ><A | |
|
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175 NAME="AEN6640" |
| 0 | 176 ></A |
| 177 ><H2 | |
| 178 >Return Values</H2 | |
| 179 ><P | |
| 180 >Returns <SPAN | |
| 181 CLASS="RETURNVALUE" | |
| 182 >-1</SPAN | |
| 183 > if the filter could not be built or 1 if it could.</P | |
| 184 ></DIV | |
| 185 ><DIV | |
| 186 CLASS="REFSECT1" | |
| 187 ><A | |
|
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188 NAME="AEN6644" |
| 0 | 189 ></A |
| 190 ><H2 | |
| 191 >Examples</H2 | |
| 192 ><P | |
| 193 >See <A | |
| 194 HREF="sdlconvertaudio.html" | |
| 195 ><TT | |
| 196 CLASS="FUNCTION" | |
| 197 >SDL_ConvertAudio</TT | |
| 198 ></A | |
| 199 >.</P | |
| 200 ></DIV | |
| 201 ><DIV | |
| 202 CLASS="REFSECT1" | |
| 203 ><A | |
|
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204 NAME="AEN6649" |
| 0 | 205 ></A |
| 206 ><H2 | |
| 207 >See Also</H2 | |
| 208 ><P | |
| 209 ><A | |
| 210 HREF="sdlconvertaudio.html" | |
| 211 ><TT | |
| 212 CLASS="FUNCTION" | |
| 213 >SDL_ConvertAudio</TT | |
| 214 ></A | |
| 215 >, | |
| 216 <A | |
| 217 HREF="sdlaudiocvt.html" | |
| 218 ><TT | |
| 219 CLASS="FUNCTION" | |
| 220 >SDL_AudioCVT</TT | |
| 221 ></A | |
| 222 ></P | |
| 223 ></DIV | |
| 224 ><DIV | |
| 225 CLASS="NAVFOOTER" | |
| 226 ><HR | |
| 227 ALIGN="LEFT" | |
| 228 WIDTH="100%"><TABLE | |
| 229 WIDTH="100%" | |
| 230 BORDER="0" | |
| 231 CELLPADDING="0" | |
| 232 CELLSPACING="0" | |
| 233 ><TR | |
| 234 ><TD | |
| 235 WIDTH="33%" | |
| 236 ALIGN="left" | |
| 237 VALIGN="top" | |
| 238 ><A | |
| 239 HREF="sdlaudiocvt.html" | |
| 240 >Prev</A | |
| 241 ></TD | |
| 242 ><TD | |
| 243 WIDTH="34%" | |
| 244 ALIGN="center" | |
| 245 VALIGN="top" | |
| 246 ><A | |
| 247 HREF="index.html" | |
| 248 >Home</A | |
| 249 ></TD | |
| 250 ><TD | |
| 251 WIDTH="33%" | |
| 252 ALIGN="right" | |
| 253 VALIGN="top" | |
| 254 ><A | |
| 255 HREF="sdlconvertaudio.html" | |
| 256 >Next</A | |
| 257 ></TD | |
| 258 ></TR | |
| 259 ><TR | |
| 260 ><TD | |
| 261 WIDTH="33%" | |
| 262 ALIGN="left" | |
| 263 VALIGN="top" | |
| 264 >SDL_AudioCVT</TD | |
| 265 ><TD | |
| 266 WIDTH="34%" | |
| 267 ALIGN="center" | |
| 268 VALIGN="top" | |
| 269 ><A | |
| 270 HREF="audio.html" | |
| 271 >Up</A | |
| 272 ></TD | |
| 273 ><TD | |
| 274 WIDTH="33%" | |
| 275 ALIGN="right" | |
| 276 VALIGN="top" | |
| 277 >SDL_ConvertAudio</TD | |
| 278 ></TR | |
| 279 ></TABLE | |
| 280 ></DIV | |
| 281 ></BODY | |
| 282 ></HTML | |
| 283 > |