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wavestream.h
Package: SDL_mixer-1.2.11.tar.gz [view]
Upload User: nini_0081
Upload Date: 2022-07-21
Package Size: 2628k
Code Size: 2k
Category:
Multimedia Develop
Development Platform:
DOS
- /*
- SDL_mixer: An audio mixer library based on the SDL library
- Copyright (C) 1997-2009 Sam Lantinga
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- slouken@libsdl.org
- */
- /* $Id: wavestream.h 4912 2009-10-02 14:16:12Z slouken $ */
- /* 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() */
- extern int WAVStream_PlaySome(Uint8 *stream, int len);
- /* 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 */
- extern int WAVStream_Active(void);