You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
291 lines
3.9 KiB
291 lines
3.9 KiB
<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 |
|
> |