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#include <stdio.h>
#include <stdlib.h>
#include "../include.h"
#include <fluidsynth.h>
static struct fluidsynth_userdata {
fluid_settings_t *settings;
fluid_synth_t *synth;
int soundfont;
} *fs;
static void fluidsynth_callback(void *userdata, unsigned char *stream, int const length) {
//fluid_player_t *player = userdata;
(void) userdata;
fluid_synth_write_float(fs->synth, length / sizeof (float) / 2, stream, 0, 2, stream, 1, 2);
}
static void fluidsynth_free(void *ptr) {
fluid_player_t *player = ptr;
fluid_player_stop(player);
delete_fluid_player(player);
//fluid_synth_all_notes_off(fs->synth, -1);
fluid_synth_system_reset(fs->synth);
#if 0
fluid_synth_sfunload(fs->synth, fs->soundfont, 0);
delete_fluid_synth(fs->synth);
delete_fluid_settings(fs->settings);
free(fs);
#endif
}
int module_fluidsynth(struct blob *file, struct userdata *userdata) {
if (fs == NULL) {
fs = malloc(sizeof (struct fluidsynth_userdata));
if (fs == NULL) {
return 1;
}
fs->settings = new_fluid_settings(); // wasteful, but when trying to 'fix' it it just caused more errors
fluid_settings_setnum(fs->settings, "synth.gain", 0.5);
fluid_settings_setint(fs->settings, "player.reset-synth", 0);
fluid_settings_setnum(fs->settings, "synth.sample-rate", SAMPLE_RATE);
fs->synth = new_fluid_synth(fs->settings);
char *soundfont_path = getenv("SOUNDFONT");
if (soundfont_path == NULL) {
soundfont_path = "/usr/share/sounds/sf2/default-GM.sf2";
}
fs->soundfont = fluid_synth_sfload(fs->synth, soundfont_path, 1); // ugly hack
}
fluid_player_t *player = new_fluid_player(fs->synth);
fluid_player_set_loop(player, -1);
if (fluid_player_add_mem(player, file->data, file->size) == FLUID_FAILED) {
fluidsynth_free(fs);
fs = NULL;
return 1;
}
fluid_player_play(player);
userdata->callback = fluidsynth_callback;
userdata->user = player;
userdata->freefunc = fluidsynth_free;
return 0;
}
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