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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_FLUIDSYNTH_H
#include <fluidsynth.h>
#include "../softseq.h"
#include "../sequencer.h"
#include "../device.h"
#include "resource.h"
namespace Sci {
static sfx_sequencer_t *gmseq;
static fluid_settings_t* settings;
static fluid_synth_t* synth;
static uint8 status;
static char *soundfont = "/etc/midi/8MBGMSFX.SF2";
static int rpn[16];
#define SAMPLE_RATE 44100
#define CHANNELS SFX_PCM_STEREO_LR
/* MIDI writer */
static int fluidsynth_midi_init(struct _midi_writer *self) {
return SFX_OK;
}
static int fluidsynth_midi_set_option(struct _midi_writer *self, char *name, char *value) {
return SFX_ERROR;
}
static int fluidsynth_midi_write(struct _midi_writer *self, unsigned char *buf, int len) {
if (buf[0] == 0xf0)
sciprintf("FluidSynth: Skipping sysex message.\n");
else if (len == 2) {
uint8 command, channel;
command = buf[0] & 0xf0;
channel = buf[0] & 0x0f;
switch (command) {
case 0xc0:
fluid_synth_program_change(synth, channel, buf[1]);
break;
default:
printf("FluidSynth: MIDI command [%02x %02x] not supported\n", buf[0], buf[1]);
}
} else if (len == 3) {
uint8 command, channel;
command = buf[0] & 0xf0;
channel = buf[0] & 0x0f;
switch (command) {
case 0x80:
fluid_synth_noteoff(synth, channel, buf[1]);
break;
case 0x90:
fluid_synth_noteon(synth, channel, buf[1], buf[2]);
break;
case 0xb0:
switch (buf[1]) {
case 0x06:
/* Data Entry Slider - course */
if (rpn[channel] == 0)
fluid_synth_pitch_wheel_sens(synth, channel, buf[2]);
else
sciprintf("FluidSynth: RPN %i not supported\n", rpn[channel]);
case 0x64:
/* Registered Parameter Number (RPN) - fine */
rpn[channel] &= ~0x7f;
rpn[channel] |= buf[2] & 0x7f;
break;
case 0x65:
/* Registered Parameter Number (RPN) - course */
rpn[channel] &= ~0x3f80;
rpn[channel] |= (buf[2] & 0x7f) << 7;
break;
default:
fluid_synth_cc(synth, channel, buf[1], buf[2]);
}
break;
case 0xe0:
fluid_synth_pitch_bend(synth, channel, (buf[2] << 7) | buf[1]);
break;
default:
sciprintf("FluidSynth: MIDI command [%02x %02x %02x] not supported\n", buf[0], buf[1], buf[2]);
}
} else
sciprintf("FluidSynth: Skipping invalid message of %i bytes.\n", len);
return SFX_OK;
}
static void fluidsynth_midi_delay(struct _midi_writer *self, int ticks) {
}
static void fluidsynth_midi_reset_timer(struct _midi_writer *self) {
}
static void fluidsynth_midi_close(struct _midi_writer *self) {
}
static midi_writer_t midi_writer_fluidsynth = {
"fluidsynth",
fluidsynth_midi_init,
fluidsynth_midi_set_option,
fluidsynth_midi_write,
fluidsynth_midi_delay,
NULL,
fluidsynth_midi_reset_timer,
fluidsynth_midi_close
};
/* Software sequencer */
static void fluidsynth_poll(sfx_softseq_t *self, byte *dest, int count) {
fluid_synth_write_s16(synth, count, dest, 0, 2, dest + 2, 0, 2);
}
static int fluidsynth_init(sfx_softseq_t *self, byte *data_ptr, int data_length,
byte *data2_ptr, int data2_length) {
int sfont_id;
double min, max;
if (0) {
sciprintf("FluidSynth ERROR: Mono sound output not supported.\n");
return SFX_ERROR;
}
gmseq = sfx_find_sequencer("General MIDI");
if (!gmseq) {
sciprintf("FluidSynth ERROR: Unable to find General MIDI sequencer.\n");
return SFX_ERROR;
}
settings = new_fluid_settings();
fluid_settings_getnum_range(settings, "synth.sample-rate", &min, &max);
if (SAMPLE_RATE < min || SAMPLE_RATE > max) {
sciprintf("FluidSynth ERROR: Sample rate '%i' not supported. Valid "
"range is (%i-%i).\n", SAMPLE_RATE, (int) min, (int) max);
delete_fluid_settings(settings);
return SFX_ERROR;
}
fluid_settings_setnum(settings, "synth.sample-rate", SAMPLE_RATE);
fluid_settings_setnum(settings, "synth.gain", 0.5f);
synth = new_fluid_synth(settings);
if ((sfont_id = fluid_synth_sfload(synth, soundfont, 1)) < 0) {
delete_fluid_synth(synth);
delete_fluid_settings(settings);
return SFX_ERROR;
}
gmseq->open(data_length, data_ptr, data2_length, data2_ptr,
&midi_writer_fluidsynth);
return SFX_OK;
}
static void fluidsynth_exit(sfx_softseq_t *self) {
delete_fluid_synth(synth);
delete_fluid_settings(settings);
}
static void fluidsynth_allstop(sfx_softseq_t *self) {
if (gmseq->allstop)
gmseq->allstop();
}
static void fluidsynth_volume(sfx_softseq_t *self, int volume) {
if (gmseq->volume)
gmseq->volume(volume);
}
static int fluidsynth_set_option(sfx_softseq_t *self, const char *name, const char *value) {
return SFX_ERROR;
}
static void fluidsynth_event(sfx_softseq_t *self, byte cmd, int argc, byte *argv) {
gmseq->event(cmd, argc, argv);
}
sfx_softseq_t sfx_softseq_fluidsynth = {
"fluidsynth",
"0.1",
fluidsynth_set_option,
fluidsynth_init,
fluidsynth_exit,
fluidsynth_volume,
fluidsynth_event,
fluidsynth_poll,
fluidsynth_allstop,
NULL,
004, /* patch.004 */
001, /* patch.001 */
0x01, /* playflag */
1, /* do play channel 9 */
32, /* Max polypgony */
{SAMPLE_RATE, CHANNELS, SFX_PCM_FORMAT_S16_NATIVE}
};
} // End of namespace Sci
#endif /* HAVE_FLUIDSYNTH_H */
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