slouken@419: /*
slouken@518:   SDL_mixer:  An audio mixer library based on the SDL library
slouken@518:   Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
slouken@419: 
slouken@518:   This software is provided 'as-is', without any express or implied
slouken@518:   warranty.  In no event will the authors be held liable for any damages
slouken@518:   arising from the use of this software.
slouken@419: 
slouken@518:   Permission is granted to anyone to use this software for any purpose,
slouken@518:   including commercial applications, and to alter it and redistribute it
slouken@518:   freely, subject to the following restrictions:
slouken@419: 
slouken@518:   1. The origin of this software must not be misrepresented; you must not
slouken@518:      claim that you wrote the original software. If you use this software
slouken@518:      in a product, an acknowledgment in the product documentation would be
slouken@518:      appreciated but is not required.
slouken@518:   2. Altered source versions must be plainly marked as such, and must not be
slouken@518:      misrepresented as being the original software.
slouken@518:   3. This notice may not be removed or altered from any source distribution.
slouken@419: */
slouken@419: 
slouken@419: #ifdef MOD_MUSIC
slouken@419: 
slouken@419: #include "SDL_loadso.h"
slouken@419: 
slouken@419: #include "dynamic_mod.h"
slouken@419: 
slouken@419: mikmod_loader mikmod = {
slouken@419: 	0, NULL
slouken@419: };
slouken@419: 
slouken@419: #ifdef MOD_DYNAMIC
slouken@419: int Mix_InitMOD()
slouken@419: {
slouken@419: 	if ( mikmod.loaded == 0 ) {
slouken@419: 		mikmod.handle = SDL_LoadObject(MOD_DYNAMIC);
slouken@419: 		if ( mikmod.handle == NULL ) {
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.MikMod_Exit =
slouken@419: 			(void (*)(void))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "MikMod_Exit");
slouken@419: 		if ( mikmod.MikMod_Exit == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.MikMod_InfoDriver =
slouken@419: 			(CHAR* (*)(void))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "MikMod_InfoDriver");
slouken@419: 		if ( mikmod.MikMod_InfoDriver == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.MikMod_InfoLoader =
slouken@419: 			(CHAR* (*)(void))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "MikMod_InfoLoader");
slouken@419: 		if ( mikmod.MikMod_InfoLoader == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.MikMod_Init =
slouken@419: 			(BOOL (*)(CHAR*))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "MikMod_Init");
slouken@419: 		if ( mikmod.MikMod_Init == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.MikMod_RegisterAllLoaders =
slouken@419: 			(void (*)(void))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "MikMod_RegisterAllLoaders");
slouken@419: 		if ( mikmod.MikMod_RegisterAllLoaders == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.MikMod_RegisterDriver =
slouken@419: 			(void (*)(struct MDRIVER*))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "MikMod_RegisterDriver");
slouken@419: 		if ( mikmod.MikMod_RegisterDriver == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.MikMod_errno =
slouken@419: 			(int*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "MikMod_errno");
slouken@419: 		if ( mikmod.MikMod_errno == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.MikMod_strerror =
slouken@419: 			(char* (*)(int))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "MikMod_strerror");
slouken@419: 		if ( mikmod.MikMod_strerror == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.Player_Active =
slouken@419: 			(BOOL (*)(void))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "Player_Active");
slouken@419: 		if ( mikmod.Player_Active == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.Player_Free =
slouken@419: 			(void (*)(MODULE*))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "Player_Free");
slouken@419: 		if ( mikmod.Player_Free == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.Player_LoadGeneric =
slouken@419: 			(MODULE* (*)(MREADER*,int,BOOL))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "Player_LoadGeneric");
slouken@419: 		if ( mikmod.Player_LoadGeneric == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.Player_SetPosition =
slouken@419: 			(void (*)(UWORD))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "Player_SetPosition");
slouken@419: 		if ( mikmod.Player_SetPosition == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.Player_SetVolume =
slouken@419: 			(void (*)(SWORD))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "Player_SetVolume");
slouken@419: 		if ( mikmod.Player_SetVolume == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.Player_Start =
slouken@419: 			(void (*)(MODULE*))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "Player_Start");
slouken@419: 		if ( mikmod.Player_Start == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.Player_Stop =
slouken@419: 			(void (*)(void))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "Player_Stop");
slouken@419: 		if ( mikmod.Player_Stop == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.VC_WriteBytes =
slouken@419: 			(ULONG (*)(SBYTE*,ULONG))
slouken@419: 			SDL_LoadFunction(mikmod.handle, "VC_WriteBytes");
slouken@419: 		if ( mikmod.VC_WriteBytes == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.drv_nos =
slouken@419: 			(MDRIVER*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "drv_nos");
slouken@419: 		if ( mikmod.drv_nos == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.md_device =
slouken@419: 			(UWORD*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "md_device");
slouken@419: 		if ( mikmod.md_device == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.md_mixfreq =
slouken@419: 			(UWORD*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "md_mixfreq");
slouken@419: 		if ( mikmod.md_mixfreq == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.md_mode =
slouken@419: 			(UWORD*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "md_mode");
slouken@419: 		if ( mikmod.md_mode == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.md_musicvolume =
slouken@419: 			(UBYTE*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "md_musicvolume");
slouken@419: 		if ( mikmod.md_musicvolume == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.md_pansep =
slouken@419: 			(UBYTE*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "md_pansep");
slouken@419: 		if ( mikmod.md_pansep == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.md_reverb =
slouken@419: 			(UBYTE*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "md_reverb");
slouken@419: 		if ( mikmod.md_reverb == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.md_sndfxvolume =
slouken@419: 			(UBYTE*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "md_sndfxvolume");
slouken@419: 		if ( mikmod.md_sndfxvolume == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 		mikmod.md_volume =
slouken@419: 			(UBYTE*)
slouken@419: 			SDL_LoadFunction(mikmod.handle, "md_volume");
slouken@419: 		if ( mikmod.md_volume == NULL ) {
slouken@419: 			SDL_UnloadObject(mikmod.handle);
slouken@419: 			return -1;
slouken@419: 		}
slouken@419: 	}
slouken@419: 	++mikmod.loaded;
slouken@419: 
slouken@419: 	return 0;
slouken@419: }
slouken@419: void Mix_QuitMOD()
slouken@419: {
slouken@419: 	if ( mikmod.loaded == 0 ) {
slouken@419: 		return;
slouken@419: 	}
slouken@419: 	if ( mikmod.loaded == 1 ) {
slouken@419: 		SDL_UnloadObject(mikmod.handle);
slouken@419: 	}
slouken@419: 	--mikmod.loaded;
slouken@419: }
slouken@419: #else
slouken@419: int Mix_InitMOD()
slouken@419: {
slouken@419: 	if ( mikmod.loaded == 0 ) {
slouken@419: 		mikmod.MikMod_Exit = MikMod_Exit;
slouken@419: 		mikmod.MikMod_InfoDriver = MikMod_InfoDriver;
slouken@419: 		mikmod.MikMod_InfoLoader = MikMod_InfoLoader;
slouken@419: 		mikmod.MikMod_Init = MikMod_Init;
slouken@419: 		mikmod.MikMod_RegisterAllLoaders = MikMod_RegisterAllLoaders;
slouken@419: 		mikmod.MikMod_RegisterDriver = MikMod_RegisterDriver;
slouken@419: 		mikmod.MikMod_errno = &MikMod_errno;
slouken@419: 		mikmod.MikMod_strerror = MikMod_strerror;
slouken@419: 		mikmod.Player_Active = Player_Active;
slouken@419: 		mikmod.Player_Free = Player_Free;
slouken@419: 		mikmod.Player_LoadGeneric = Player_LoadGeneric;
slouken@419: 		mikmod.Player_SetPosition = Player_SetPosition;
slouken@419: 		mikmod.Player_SetVolume = Player_SetVolume;
slouken@419: 		mikmod.Player_Start = Player_Start;
slouken@419: 		mikmod.Player_Stop = Player_Stop;
slouken@419: 		mikmod.VC_WriteBytes = VC_WriteBytes;
slouken@419: 		mikmod.drv_nos = &drv_nos;
slouken@419: 		mikmod.md_device = &md_device;
slouken@419: 		mikmod.md_mixfreq = &md_mixfreq;
slouken@419: 		mikmod.md_mode = &md_mode;
slouken@419: 		mikmod.md_musicvolume = &md_musicvolume;
slouken@419: 		mikmod.md_pansep = &md_pansep;
slouken@419: 		mikmod.md_reverb = &md_reverb;
slouken@419: 		mikmod.md_sndfxvolume = &md_sndfxvolume;
slouken@419: 		mikmod.md_volume = &md_volume;
slouken@419: 	}
slouken@419: 	++mikmod.loaded;
slouken@419: 
slouken@419: 	return 0;
slouken@419: }
slouken@419: void Mix_QuitMOD()
slouken@419: {
slouken@419: 	if ( mikmod.loaded == 0 ) {
slouken@419: 		return;
slouken@419: 	}
slouken@419: 	if ( mikmod.loaded == 1 ) {
slouken@419: 	}
slouken@419: 	--mikmod.loaded;
slouken@419: }
slouken@419: #endif /* MOD_DYNAMIC */
slouken@419: 
slouken@419: #endif /* MOD_MUSIC */