music_mod.h
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上传日期:2022-07-21
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- /*
- 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: music_mod.h 4211 2008-12-08 00:27:32Z slouken $ */
- #ifdef MOD_MUSIC
- /* This file supports MOD tracker music streams */
- struct MODULE;
- /* Initialize the Ogg Vorbis player, with the given mixer settings
- This function returns 0, or -1 if there was an error.
- */
- extern int MOD_init(SDL_AudioSpec *mixer);
- /* Uninitialize the music players */
- extern void MOD_exit(void);
- /* Set the volume for a MOD stream */
- extern void MOD_setvolume(struct MODULE *music, int volume);
- /* Load a MOD stream from the given file */
- extern struct MODULE *MOD_new(const char *file);
- /* Load a MOD stream from an SDL_RWops object */
- extern struct MODULE *MOD_new_RW(SDL_RWops *rw);
- /* Start playback of a given MOD stream */
- extern void MOD_play(struct MODULE *music);
- /* Return non-zero if a stream is currently playing */
- extern int MOD_playing(struct MODULE *music);
- /* Play some of a stream previously started with MOD_play() */
- extern int MOD_playAudio(struct MODULE *music, Uint8 *stream, int len);
- /* Stop playback of a stream previously started with MOD_play() */
- extern void MOD_stop(struct MODULE *music);
- /* Close the given MOD stream */
- extern void MOD_delete(struct MODULE *music);
- /* Jump (seek) to a given position (time is in seconds) */
- extern void MOD_jump_to_time(struct MODULE *music, double time);
- #endif /* MOD_MUSIC */