Mercurial > sdl-ios-xcode
annotate docs/html/sdlbuildaudiocvt.html @ 1672:8e754b82cecc SDL-1.3
Updated SDL_Surface code for software-only access, fixed some build errors
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 09 Jun 2006 07:06:12 +0000 |
parents | 355632dca928 |
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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 > |