| | 1 | <HTML |
| | 2 | ><HEAD |
| | 3 | ><TITLE |
| | 4 | >SDL_BuildAudioCVT</TITLE |
| | 5 | ><META |
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| | 7 | CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
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| | 10 | TITLE="SDL Library Documentation" |
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| | 13 | TITLE="Audio" |
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| | 16 | TITLE="SDL_AudioCVT" |
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| | 19 | TITLE="SDL_ConvertAudio" |
| | 20 | HREF="sdlconvertaudio.html"></HEAD |
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| | 28 | ><DIV |
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| | 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" |
| | 49 | ACCESSKEY="P" |
| | 50 | >Prev</A |
| | 51 | ></TD |
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| | 57 | ><TD |
| | 58 | WIDTH="10%" |
| | 59 | ALIGN="right" |
| | 60 | VALIGN="bottom" |
| | 61 | ><A |
| | 62 | HREF="sdlconvertaudio.html" |
| | 63 | ACCESSKEY="N" |
| | 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" |
| | 74 | ></A |
| | 75 | >SDL_BuildAudioCVT</H1 |
| | 76 | ><DIV |
| | 77 | CLASS="REFNAMEDIV" |
| | 78 | ><A |
| | 79 | NAME="AEN7002" |
| | 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 |
| | 87 | NAME="AEN7005" |
| | 88 | ></A |
| | 89 | ><H2 |
| | 90 | >Synopsis</H2 |
| | 91 | ><DIV |
| | 92 | CLASS="FUNCSYNOPSIS" |
| | 93 | ><A |
| | 94 | NAME="AEN7006" |
| | 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 |
| | 118 | NAME="AEN7012" |
| | 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 |
| | 178 | NAME="AEN7028" |
| | 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 |
| | 191 | NAME="AEN7032" |
| | 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 |
| | 207 | NAME="AEN7037" |
| | 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 |
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| | 238 | ><TD |
| | 239 | WIDTH="33%" |
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| | 241 | VALIGN="top" |
| | 242 | ><A |
| | 243 | HREF="sdlaudiocvt.html" |
| | 244 | ACCESSKEY="P" |
| | 245 | >Prev</A |
| | 246 | ></TD |
| | 247 | ><TD |
| | 248 | WIDTH="34%" |
| | 249 | ALIGN="center" |
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| | 254 | >Home</A |
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| | 259 | VALIGN="top" |
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| | 261 | HREF="sdlconvertaudio.html" |
| | 262 | ACCESSKEY="N" |
| | 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" |
| | 278 | ACCESSKEY="U" |
| | 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 |
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| | 290 | ></HTML |
| | 291 | > |
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