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sdlbuildaudiocvt.html
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sdlbuildaudiocvt.html
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<HTML
><HEAD
><TITLE
>SDL_BuildAudioCVT</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.64
"><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
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TITLE="SDL_ConvertAudio"
HREF="sdlconvertaudio.html"></HEAD
><BODY
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TEXT="#000000"
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>SDL Library Documentation</TH
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><HR
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><H1
><A
NAME="SDLBUILDAUDIOCVT"
>SDL_BuildAudioCVT</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN6455"
></A
><H2
>Name</H2
>SDL_BuildAudioCVT -- Initializes a SDL_AudioCVT structure for conversion</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN6458"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN6459"
></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="AEN6465"
></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="AEN6481"
></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="AEN6485"
></A
><H2
>Examples</H2
><P
>See <A
HREF="sdlconvertaudio.html"
><TT
CLASS="FUNCTION"
>SDL_ConvertAudio</TT
></A
>.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN6490"
></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
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><HR
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><A
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>Prev</A
></TD
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><A
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>Next</A
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><TD
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>SDL_AudioCVT</TD
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><A
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>Up</A
></TD
><TD
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>SDL_ConvertAudio</TD
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></TABLE
></DIV
></BODY
></HTML
>