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296 lines
4.0 KiB
296 lines
4.0 KiB
<HTML |
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>SDL_LoadWAV</TITLE |
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>SDL Library Documentation</TH |
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><H1 |
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><A |
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NAME="SDLLOADWAV" |
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></A |
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>SDL_LoadWAV</H1 |
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><DIV |
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CLASS="REFNAMEDIV" |
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><A |
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NAME="AEN6816" |
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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="AEN6819" |
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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="AEN6820" |
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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="AEN6826" |
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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="AEN6841" |
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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="AEN6844" |
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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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>Prev</A |
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>Home</A |
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>Next</A |
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>SDL_GetAudioStatus</TD |
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>Up</A |
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