This software is provided 'as-is', without any express or implied

warranty. In no event will the authors be held liable for any damages

arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,

including commercial applications, and to alter it and redistribute it

freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not

claim that you wrote the original software. If you use this software

in a product, an acknowledgment in the product documentation would be

appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be

misrepresented as being the original software.

3. This notice may not be removed or altered from any source distribution.

James Le Cuirot

chewi@aura-online.co.uk

*/

#include <stdio.h>

#include "SDL_loadso.h"

#include "music_fluidsynth.h"

#include <fluidsynth.h>

typedef struct {

int loaded;

void *handle;

int (*delete_fluid_player)(fluid_player_t*);

void (*delete_fluid_settings)(fluid_settings_t*);

int (*delete_fluid_synth)(fluid_synth_t*);

int (*fluid_player_add)(fluid_player_t*, const char*);

int (*fluid_player_add_mem)(fluid_player_t*, const void*, size_t);

int (*fluid_player_get_status)(fluid_player_t*);

int (*fluid_player_play)(fluid_player_t*);

int (*fluid_player_set_loop)(fluid_player_t*, int);

int (*fluid_player_stop)(fluid_player_t*);

int (*fluid_settings_setnum)(fluid_settings_t*, const char*, double);

fluid_settings_t* (*fluid_synth_get_settings)(fluid_synth_t*);

void (*fluid_synth_set_gain)(fluid_synth_t*, float);

int (*fluid_synth_sfload)(fluid_synth_t*, const char*, int);

int (*fluid_synth_write_s16)(fluid_synth_t*, int, void*, int, int, void*, int, int);

fluid_player_t* (*new_fluid_player)(fluid_synth_t*);

fluid_settings_t* (*new_fluid_settings)(void);

fluid_synth_t* (*new_fluid_synth)(fluid_settings_t*);

} fluidsynth_loader;

static fluidsynth_loader fluidsynth = {

0, NULL

};

#ifdef FLUIDSYNTH_DYNAMIC

fluidsynth.FUNC = (SIG) SDL_LoadFunction(fluidsynth.handle, #FUNC); \

if (fluidsynth.FUNC == NULL) { SDL_UnloadObject(fluidsynth.handle); return -1; }

#else

fluidsynth.FUNC = FUNC;

#endif

static int FLUIDSYNTH_Load()

{

if (fluidsynth.loaded == 0) {

#ifdef FLUIDSYNTH_DYNAMIC

fluidsynth.handle = SDL_LoadObject(FLUIDSYNTH_DYNAMIC);

if (fluidsynth.handle == NULL) {

return -1;

}

FUNCTION_LOADER(delete_fluid_player, int (*)(fluid_player_t*))

FUNCTION_LOADER(delete_fluid_settings, void (*)(fluid_settings_t*))

FUNCTION_LOADER(delete_fluid_synth, int (*)(fluid_synth_t*))

FUNCTION_LOADER(fluid_player_add, int (*)(fluid_player_t*, const char*))

FUNCTION_LOADER(fluid_player_add_mem, int (*)(fluid_player_t*, const void*, size_t))

FUNCTION_LOADER(fluid_player_get_status, int (*)(fluid_player_t*))

FUNCTION_LOADER(fluid_player_play, int (*)(fluid_player_t*))

FUNCTION_LOADER(fluid_player_set_loop, int (*)(fluid_player_t*, int))

FUNCTION_LOADER(fluid_player_stop, int (*)(fluid_player_t*))

FUNCTION_LOADER(fluid_settings_setnum, int (*)(fluid_settings_t*, const char*, double))

FUNCTION_LOADER(fluid_synth_get_settings, fluid_settings_t* (*)(fluid_synth_t*))

FUNCTION_LOADER(fluid_synth_set_gain, void (*)(fluid_synth_t*, float))

FUNCTION_LOADER(fluid_synth_sfload, int(*)(fluid_synth_t*, const char*, int))

FUNCTION_LOADER(fluid_synth_write_s16, int(*)(fluid_synth_t*, int, void*, int, int, void*, int, int))

FUNCTION_LOADER(new_fluid_player, fluid_player_t* (*)(fluid_synth_t*))

FUNCTION_LOADER(new_fluid_settings, fluid_settings_t* (*)(void))

FUNCTION_LOADER(new_fluid_synth, fluid_synth_t* (*)(fluid_settings_t*))

}

++fluidsynth.loaded;

return 0;

}

static void FLUIDSYNTH_Unload()

{

if (fluidsynth.loaded == 0) {

return;

}

if (fluidsynth.loaded == 1) {

#ifdef FLUIDSYNTH_DYNAMIC

SDL_UnloadObject(fluidsynth.handle);

#endif

}

--fluidsynth.loaded;

}

typedef struct {

fluid_synth_t *synth;

fluid_player_t *player;

SDL_AudioStream *stream;

void *buffer;

int buffer_size;

} FLUIDSYNTH_Music;

FILE *file = fopen(path, "r");

if (file) {

fclose(file);

return 1;

} else {

Mix_SetError("Failed to access the SoundFont %s", path);

return 0;

}

}

/* If this fails, it's too late to try Timidity so pray that at least one works. */

fluidsynth.fluid_synth_sfload((fluid_synth_t*) data, path, 1);

return 1;

}

}

SDL_RWops *src = (SDL_RWops *)data;

FLUIDSYNTH_Music *music;

fluid_settings_t *settings;

if ((music = SDL_calloc(1, sizeof(FLUIDSYNTH_Music)))) {

int channels = 2;

if ((music->stream = SDL_NewAudioStream(AUDIO_S16SYS, channels, music_spec.freq, music_spec.format, music_spec.channels, music_spec.freq))) {

music->buffer_size = music_spec.samples * sizeof(Sint16) * channels;

if ((music->buffer = SDL_malloc(music->buffer_size))) {

if ((settings = fluidsynth.new_fluid_settings())) {

fluidsynth.fluid_settings_setnum(settings, "synth.sample-rate", (double) music_spec.freq);

if ((music->synth = fluidsynth.new_fluid_synth(settings))) {

if (Mix_EachSoundFont(fluidsynth_load_soundfont, (void*) music->synth)) {

if ((music->player = fluidsynth.new_fluid_player(music->synth))) {

void *buffer;

size_t size;

buffer = SDL_LoadFile_RW(src, &size, SDL_FALSE);

if (buffer) {

if (fluidsynth.fluid_player_add_mem(music->player, buffer, size) == FLUID_OK) {

SDL_free(buffer);

return music;

} else {

Mix_SetError("FluidSynth failed to load in-memory song");

}

SDL_free(buffer);

} else {

SDL_OutOfMemory();

}

fluidsynth.delete_fluid_player(music->player);

} else {

Mix_SetError("Failed to create FluidSynth player");

}

fluidsynth.delete_fluid_synth(music->synth);

} else {

Mix_SetError("Failed to create FluidSynth synthesizer");

}

} else {

}

}

}

return NULL;

}

music = FLUIDSYNTH_LoadMusic(src);

if (music && freesrc) {

}

}

FLUIDSYNTH_Music *music = (FLUIDSYNTH_Music *)context;

fluidsynth.fluid_player_set_loop(music->player, play_count);

fluidsynth.fluid_player_play(music->player);

}

FLUIDSYNTH_Music *music = (FLUIDSYNTH_Music *)context;

return fluidsynth.fluid_player_get_status(music->player) == FLUID_PLAYER_PLAYING ? SDL_TRUE : SDL_FALSE;

}

int filled;

filled = SDL_AudioStreamGet(music->stream, data, bytes);

if (filled != 0) {

return filled;

if (SDL_AudioStreamPut(music->stream, music->buffer, music->buffer_size) < 0) {

return -1;

return 0;

}

static int FLUIDSYNTH_GetAudio(void *context, void *data, int bytes)

{

return music_pcm_getaudio(context, data, bytes, MIX_MAX_VOLUME, FLUIDSYNTH_GetSome);

static void FLUIDSYNTH_Stop(void *context)

{

FLUIDSYNTH_Music *music = (FLUIDSYNTH_Music *)context;

fluidsynth.fluid_player_stop(music->player);

}

static void FLUIDSYNTH_Delete(void *context)

{

FLUIDSYNTH_Music *music = (FLUIDSYNTH_Music *)context;

fluidsynth.delete_fluid_player(music->player);

fluidsynth.delete_fluid_settings(fluidsynth.fluid_synth_get_settings(music->synth));

fluidsynth.delete_fluid_synth(music->synth);

SDL_free(music);

}

Mix_MusicInterface Mix_MusicInterface_FLUIDSYNTH =

{

"FLUIDSYNTH",

MIX_MUSIC_FLUIDSYNTH,

MUS_MID,

SDL_FALSE,

SDL_FALSE,

FLUIDSYNTH_Load,

FLUIDSYNTH_Open,

FLUIDSYNTH_CreateFromRW,

NULL, /* CreateFromFile */

FLUIDSYNTH_SetVolume,

FLUIDSYNTH_Play,

FLUIDSYNTH_IsPlaying,

FLUIDSYNTH_GetAudio,

NULL, /* Seek */

NULL, /* Pause */

NULL, /* Resume */

FLUIDSYNTH_Stop,

FLUIDSYNTH_Delete,

NULL, /* Close */

FLUIDSYNTH_Unload,

};

#endif /* MUSIC_MID_FLUIDSYNTH */

/* vi: set ts=4 sw=4 expandtab: */