4 Super Tux - Audio Functions
7 bill@newbreedsoftware.com
8 http://www.newbreedsoftware.com/supertux/
10 April 22, 2000 - December 28, 2003
13 Duong-Khang NGUYEN <neoneurone@users.sf.net>
16 #ifndef SUPERTUX_SOUND_H
17 #define SUPERTUX_SOUND_H
19 #include "defines.h" /* get YES/NO defines */
21 /* used to reserve some channels for panning effects */
22 #define SOUND_RESERVED_CHANNELS 2
25 extern int use_sound; /* handle sound on/off menu and command-line option */
26 extern int use_music; /* handle music on/off menu and command-line option */
27 extern int audio_device; /* != 0: available and initialized */
29 /* enum of different internal music types */
37 extern int current_music;
39 /* panning effects: terrible :-) ! */
41 SOUND_LEFT_SPEAKER = 0,
42 SOUND_RIGHT_SPEAKER = 1,
43 SOUND_CENTER_SPEAKER = -1
69 extern char* soundfilenames[NUM_SOUNDS];
73 #include <SDL_mixer.h>
75 /* variables for stocking the sound and music */
76 extern Mix_Chunk * sounds[NUM_SOUNDS];
77 extern Mix_Music * level_song, * level_song_fast, * herring_song;
79 /* functions handling the sound and music */
80 int open_audio(int frequency, Uint16 format, int channels, int chunksize);
81 void close_audio( void );
83 Mix_Chunk * load_sound(char * file);
84 void play_sound(Mix_Chunk * snd, enum Sound_Speaker whichSpeaker);
85 Mix_Music * load_song(char * file);
87 int playing_music(void);
89 int play_music(Mix_Music*music, int loops);
90 void free_music(Mix_Music*music);
91 void free_chunk(Mix_Chunk*chunk);
93 void play_current_music(void);
98 extern void* sounds[NUM_SOUNDS];
99 extern void* level_song, *herring_song;
101 /* fake sound handlers */
102 int open_audio (int frequency, int format, int channels, int chunksize);
103 void close_audio( void );
105 void* load_sound(void* file);
106 void play_sound(void * snd, enum Sound_Speaker whichSpeaker);
107 void* load_song(void* file);
111 int play_music(void *music, int loops);
112 void free_music(void *music);
113 void free_chunk(void *chunk);
115 void play_current_music(void);
119 #endif /*SUPERTUX_SOUND_H*/