forked from KolibriOS/kolibrios
288 lines
3.8 KiB
HTML
288 lines
3.8 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>SDL_LoadWAV</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Audio"
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HREF="audio.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_GetAudioStatus"
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HREF="sdlgetaudiostatus.html"><LINK
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REL="NEXT"
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TITLE="SDL_FreeWAV"
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HREF="sdlfreewav.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sdlgetaudiostatus.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="sdlfreewav.html"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLLOADWAV"
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>SDL_LoadWAV</A
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></H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN6269"
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></A
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><H2
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>Name</H2
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>SDL_LoadWAV -- Load a WAVE file</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN6272"
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></A
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><H2
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>Synopsis</H2
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><DIV
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CLASS="FUNCSYNOPSIS"
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><A
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NAME="AEN6273"
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></A
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><P
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></P
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>#include "SDL.h"</PRE
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>SDL_AudioSpec *<B
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CLASS="FSFUNC"
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>SDL_LoadWAV</B
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></CODE
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>(const char *file, SDL_AudioSpec *spec, Uint8 **audio_buf, Uint32 *audio_len);</CODE
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></P
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN6279"
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></A
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><H2
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>Description</H2
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><P
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><TT
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CLASS="FUNCTION"
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>SDL_LoadWAV</TT
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>
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This function loads a WAVE <TT
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CLASS="PARAMETER"
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><I
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>file</I
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></TT
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> into memory.</P
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><P
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>If this function succeeds, it returns the given
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<A
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HREF="sdlaudiospec.html"
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><TT
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CLASS="FUNCTION"
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>SDL_AudioSpec</TT
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></A
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>,
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filled with the audio data format of the wave data, and sets
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<TT
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CLASS="PARAMETER"
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><I
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>audio_buf</I
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></TT
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> to a <TT
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CLASS="FUNCTION"
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>malloc</TT
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>'d
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buffer containing the audio data, and sets <TT
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CLASS="PARAMETER"
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><I
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>audio_len</I
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></TT
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>
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to the length of that audio buffer, in bytes. You need to free the audio
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buffer with <A
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HREF="sdlfreewav.html"
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><TT
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CLASS="FUNCTION"
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>SDL_FreeWAV</TT
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></A
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> when you are
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done with it.</P
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><P
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>This function returns <TT
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CLASS="LITERAL"
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>NULL</TT
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> and sets the SDL
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error message if the wave file cannot be opened, uses an unknown data format,
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or is corrupt. Currently raw, MS-ADPCM and IMA-ADPCM WAVE files are supported.</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN6294"
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></A
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><H2
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>Example</H2
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><PRE
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CLASS="PROGRAMLISTING"
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>SDL_AudioSpec wav_spec;
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Uint32 wav_length;
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Uint8 *wav_buffer;
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/* Load the WAV */
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if( SDL_LoadWAV("test.wav", &wav_spec, &wav_buffer, &wav_length) == NULL ){
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fprintf(stderr, "Could not open test.wav: %s\n", SDL_GetError());
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exit(-1);
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}
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.
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.
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.
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/* Do stuff with the WAV */
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.
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.
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/* Free It */
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SDL_FreeWAV(wav_buffer);</PRE
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN6297"
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></A
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><H2
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>See Also</H2
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><P
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><A
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HREF="sdlaudiospec.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_AudioSpec</SPAN
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></A
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>,
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<A
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HREF="sdlopenaudio.html"
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><TT
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CLASS="FUNCTION"
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>SDL_OpenAudio</TT
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></A
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>,
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<A
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HREF="sdlfreewav.html"
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><TT
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CLASS="FUNCTION"
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>SDL_FreeWAV</TT
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></A
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></P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
|
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ALIGN="left"
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VALIGN="top"
|
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><A
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HREF="sdlgetaudiostatus.html"
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>Prev</A
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></TD
|
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><TD
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WIDTH="34%"
|
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ALIGN="center"
|
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VALIGN="top"
|
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><A
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HREF="index.html"
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>Home</A
|
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></TD
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><TD
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WIDTH="33%"
|
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ALIGN="right"
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VALIGN="top"
|
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><A
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HREF="sdlfreewav.html"
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>Next</A
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></TD
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></TR
|
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><TR
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><TD
|
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
|
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>SDL_GetAudioStatus</TD
|
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><TD
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WIDTH="34%"
|
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ALIGN="center"
|
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VALIGN="top"
|
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><A
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HREF="audio.html"
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>Up</A
|
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></TD
|
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><TD
|
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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>SDL_FreeWAV</TD
|
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></TR
|
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></TABLE
|
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></DIV
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></BODY
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></HTML
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> |