| <HTML |
| ><HEAD |
| ><TITLE |
| >SDL_BuildAudioCVT</TITLE |
| ><META |
| NAME="GENERATOR" |
| CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
| "><LINK |
| REL="HOME" |
| TITLE="SDL Library Documentation" |
| HREF="index.html"><LINK |
| REL="UP" |
| TITLE="Audio" |
| HREF="audio.html"><LINK |
| REL="PREVIOUS" |
| TITLE="SDL_AudioCVT" |
| HREF="sdlaudiocvt.html"><LINK |
| REL="NEXT" |
| TITLE="SDL_ConvertAudio" |
| HREF="sdlconvertaudio.html"></HEAD |
| ><BODY |
| CLASS="REFENTRY" |
| BGCOLOR="#FFF8DC" |
| TEXT="#000000" |
| LINK="#0000ee" |
| VLINK="#551a8b" |
| ALINK="#ff0000" |
| ><DIV |
| CLASS="NAVHEADER" |
| ><TABLE |
| SUMMARY="Header navigation table" |
| WIDTH="100%" |
| BORDER="0" |
| CELLPADDING="0" |
| CELLSPACING="0" |
| ><TR |
| ><TH |
| COLSPAN="3" |
| ALIGN="center" |
| >SDL Library Documentation</TH |
| ></TR |
| ><TR |
| ><TD |
| WIDTH="10%" |
| ALIGN="left" |
| VALIGN="bottom" |
| ><A |
| HREF="sdlaudiocvt.html" |
| ACCESSKEY="P" |
| >Prev</A |
| ></TD |
| ><TD |
| WIDTH="80%" |
| ALIGN="center" |
| VALIGN="bottom" |
| ></TD |
| ><TD |
| WIDTH="10%" |
| ALIGN="right" |
| VALIGN="bottom" |
| ><A |
| HREF="sdlconvertaudio.html" |
| ACCESSKEY="N" |
| >Next</A |
| ></TD |
| ></TR |
| ></TABLE |
| ><HR |
| ALIGN="LEFT" |
| WIDTH="100%"></DIV |
| ><H1 |
| ><A |
| NAME="SDLBUILDAUDIOCVT" |
| ></A |
| >SDL_BuildAudioCVT</H1 |
| ><DIV |
| CLASS="REFNAMEDIV" |
| ><A |
| NAME="AEN7002" |
| ></A |
| ><H2 |
| >Name</H2 |
| >SDL_BuildAudioCVT -- Initializes a SDL_AudioCVT structure for conversion</DIV |
| ><DIV |
| CLASS="REFSYNOPSISDIV" |
| ><A |
| NAME="AEN7005" |
| ></A |
| ><H2 |
| >Synopsis</H2 |
| ><DIV |
| CLASS="FUNCSYNOPSIS" |
| ><A |
| NAME="AEN7006" |
| ></A |
| ><P |
| ></P |
| ><PRE |
| CLASS="FUNCSYNOPSISINFO" |
| >#include "SDL.h"</PRE |
| ><P |
| ><CODE |
| ><CODE |
| CLASS="FUNCDEF" |
| >int <B |
| CLASS="FSFUNC" |
| >SDL_BuildAudioCVT</B |
| ></CODE |
| >(SDL_AudioCVT *cvt, Uint16 src_format, Uint8 src_channels, int src_rate, Uint16 dst_format, Uint8 dst_channels, int dst_rate);</CODE |
| ></P |
| ><P |
| ></P |
| ></DIV |
| ></DIV |
| ><DIV |
| CLASS="REFSECT1" |
| ><A |
| NAME="AEN7012" |
| ></A |
| ><H2 |
| >Description</H2 |
| ><P |
| >Before an <A |
| HREF="sdlaudiocvt.html" |
| ><SPAN |
| CLASS="STRUCTNAME" |
| >SDL_AudioCVT</SPAN |
| ></A |
| > structure can be used to convert audio data it must be initialized with source and destination information. </P |
| ><P |
| ><TT |
| CLASS="PARAMETER" |
| ><I |
| >src_format</I |
| ></TT |
| > and <TT |
| CLASS="PARAMETER" |
| ><I |
| >dst_format</I |
| ></TT |
| > are the source and destination format of the conversion. (For information on audio formats see <A |
| HREF="sdlaudiospec.html" |
| ><SPAN |
| CLASS="STRUCTNAME" |
| > SDL_AudioSpec</SPAN |
| ></A |
| >). <TT |
| CLASS="PARAMETER" |
| ><I |
| >src_channels</I |
| ></TT |
| > and <TT |
| CLASS="PARAMETER" |
| ><I |
| >dst_channels</I |
| ></TT |
| > are the number of channels in the source and destination formats. Finally, <TT |
| CLASS="PARAMETER" |
| ><I |
| >src_rate</I |
| ></TT |
| > and <TT |
| CLASS="PARAMETER" |
| ><I |
| >dst_rate</I |
| ></TT |
| > are the frequency or samples-per-second of the source and destination formats. Once again, see <A |
| HREF="sdlaudiospec.html" |
| ><SPAN |
| CLASS="STRUCTNAME" |
| >SDL_AudioSpec</SPAN |
| ></A |
| >.</P |
| ></DIV |
| ><DIV |
| CLASS="REFSECT1" |
| ><A |
| NAME="AEN7028" |
| ></A |
| ><H2 |
| >Return Values</H2 |
| ><P |
| >Returns <SPAN |
| CLASS="RETURNVALUE" |
| >-1</SPAN |
| > if the filter could not be built or 1 if it could.</P |
| ></DIV |
| ><DIV |
| CLASS="REFSECT1" |
| ><A |
| NAME="AEN7032" |
| ></A |
| ><H2 |
| >Examples</H2 |
| ><P |
| >See <A |
| HREF="sdlconvertaudio.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_ConvertAudio</TT |
| ></A |
| >.</P |
| ></DIV |
| ><DIV |
| CLASS="REFSECT1" |
| ><A |
| NAME="AEN7037" |
| ></A |
| ><H2 |
| >See Also</H2 |
| ><P |
| ><A |
| HREF="sdlconvertaudio.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_ConvertAudio</TT |
| ></A |
| >, |
| <A |
| HREF="sdlaudiocvt.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_AudioCVT</TT |
| ></A |
| ></P |
| ></DIV |
| ><DIV |
| CLASS="NAVFOOTER" |
| ><HR |
| ALIGN="LEFT" |
| WIDTH="100%"><TABLE |
| SUMMARY="Footer navigation table" |
| WIDTH="100%" |
| BORDER="0" |
| CELLPADDING="0" |
| CELLSPACING="0" |
| ><TR |
| ><TD |
| WIDTH="33%" |
| ALIGN="left" |
| VALIGN="top" |
| ><A |
| HREF="sdlaudiocvt.html" |
| ACCESSKEY="P" |
| >Prev</A |
| ></TD |
| ><TD |
| WIDTH="34%" |
| ALIGN="center" |
| VALIGN="top" |
| ><A |
| HREF="index.html" |
| ACCESSKEY="H" |
| >Home</A |
| ></TD |
| ><TD |
| WIDTH="33%" |
| ALIGN="right" |
| VALIGN="top" |
| ><A |
| HREF="sdlconvertaudio.html" |
| ACCESSKEY="N" |
| >Next</A |
| ></TD |
| ></TR |
| ><TR |
| ><TD |
| WIDTH="33%" |
| ALIGN="left" |
| VALIGN="top" |
| >SDL_AudioCVT</TD |
| ><TD |
| WIDTH="34%" |
| ALIGN="center" |
| VALIGN="top" |
| ><A |
| HREF="audio.html" |
| ACCESSKEY="U" |
| >Up</A |
| ></TD |
| ><TD |
| WIDTH="33%" |
| ALIGN="right" |
| VALIGN="top" |
| >SDL_ConvertAudio</TD |
| ></TR |
| ></TABLE |
| ></DIV |
| ></BODY |
| ></HTML |
| > |
