SDL_mixer: An audio mixer library based on the SDL library

Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>

This software is provided 'as-is', without any express or implied

warranty. In no event will the authors be held liable for any damages

arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,

including commercial applications, and to alter it and redistribute it

freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not

claim that you wrote the original software. If you use this software

in a product, an acknowledgment in the product documentation would be

appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be

misrepresented as being the original software.

3. This notice may not be removed or altered from any source distribution.

*/

/* This file supports streaming WAV files, without volume adjustment */

#include <stdio.h>

typedef struct {

SDL_RWops *rw;

SDL_bool freerw;

long start;

long stop;

SDL_AudioCVT cvt;

} WAVStream;

/* Initialize the WAVStream player, with the given mixer settings

This function returns 0, or -1 if there was an error.

*/

extern int WAVStream_Init(SDL_AudioSpec *mixer);

/* Unimplemented */

extern void WAVStream_SetVolume(int volume);

/* Load a WAV stream from the given file */

extern WAVStream *WAVStream_LoadSong(const char *file, const char *magic);

/* Load a WAV stream from an SDL_RWops object */

extern WAVStream *WAVStream_LoadSong_RW(SDL_RWops *rw, const char *magic);

/* Start playback of a given WAV stream */

extern void WAVStream_Start(WAVStream *wave);

/* Play some of a stream previously started with WAVStream_Start() */

/* Stop playback of a stream previously started with WAVStream_Start() */

extern void WAVStream_Stop(void);

/* Close the given WAV stream */

extern void WAVStream_FreeSong(WAVStream *wave);

/* Return non-zero if a stream is currently playing */