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| 4 | >SDL_BuildAudioCVT</TITLE |
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| 19 | TITLE="SDL_ConvertAudio" |
| 20 | HREF="sdlconvertaudio.html"></HEAD |
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| 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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| 61 | ><A |
| 62 | HREF="sdlconvertaudio.html" |
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| 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 |
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| 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 |
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| 271 | >SDL_AudioCVT</TD |
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