1 /* 2 SDL_mixer: An audio mixer library based on the SDL library 3 Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20 */ 21 22 /* $Id$ */ 23 24 #ifndef _INCLUDE_EFFECTS_INTERNAL_H_ 25 #define _INCLUDE_EFFECTS_INTERNAL_H_ 26 27 #ifndef __MIX_INTERNAL_EFFECT__ 28 #error You should not include this file or use these functions. 29 #endif 30 31 #include "SDL_mixer.h" 32 33 extern int _Mix_effects_max_speed; 34 extern void *_Eff_volume_table; 35 void *_Eff_build_volume_table_u8(void); 36 void *_Eff_build_volume_table_s8(void); 37 38 void _Mix_InitEffects(void); 39 void _Mix_DeinitEffects(void); 40 void _Eff_PositionDeinit(void); 41 42 int _Mix_RegisterEffect_locked(int channel, Mix_EffectFunc_t f, 43 Mix_EffectDone_t d, void *arg); 44 int _Mix_UnregisterEffect_locked(int channel, Mix_EffectFunc_t f); 45 int _Mix_UnregisterAllEffects_locked(int channel); 46 47 #endif /* _INCLUDE_EFFECTS_INTERNAL_H_ */ 48 49 /* vi: set ts=4 sw=4 expandtab: */ 50