adlib sound support, use USE_ADLIB

svn-id: r3511

1 files changed, 2312 insertions, 0 deletions

diff --git a/sound/imuse.cpp b/sound/imuse.cpp
new file mode 100644
index 0000000000..6914cbcde3
--- /dev/null
+++ b/sound/imuse.cpp
@@ -0,0 +1,2312 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ */
+
+#include "stdafx.h"
+
+#include "scumm.h"
+#include "sound.h"
+
+int num_mix;
+
+#define TICKS_PER_BEAT 480
+
+#ifdef USE_ADLIB
+#define TEMPO_BASE 0x1924E0
+#define HARDWARE_TYPE 1
+#else
+#define TEMPO_BASE 0x400000
+#define HARDWARE_TYPE 5
+#endif
+#define SYSEX_ID 0x7D
+#define SPECIAL_CHANNEL 9
+
+#define TRIGGER_ID 0
+#define COMMAND_ID 1
+
+#ifdef SAMNMAX
+#define MDHD_TAG "MDpg"
+#else
+#define MDHD_TAG "MDhd"
+#endif
+
+int clamp(int val, int min, int max) {
+	if (val<min)
+		return min;
+	if (val>max)
+		return max;
+	return val;
+}
+
+int transpose_clamp(int a, int b, int c) {
+	if (b>a) a += (b - a + 11) / 12 * 12;
+	if (c<a) a -= (a - c + 11) / 12 * 12;
+	return a;
+}
+
+uint32 get_delta_time(byte **s) {
+	byte *d = *s,b;
+	uint32 time = 0;
+	do {
+		b = *d++;
+		time = (time<<7) | (b&0x7F);
+	} while (b&0x80);
+	*s = d;
+	return time;
+}
+
+uint read_word(byte *a) {
+	return (a[0]<<8) + a[1];
+}
+
+void skip_midi_cmd(byte **song_ptr) {
+	byte *s, code;
+
+	const byte num_skip[] = {
+		2,2,2,2,1,1,2
+	};
+
+	s = *song_ptr;
+
+	code = *s++;
+
+	if (code<0x80) {
+		s = NULL;
+	} else if (code<0xF0) {
+		s += num_skip[(code&0x70)>>4];
+	} else {
+		if (code==0xF0 || code==0xF7 || code==0xFF && *s++ != 0x2F) {
+			s += get_delta_time(&s);
+		} else {
+			s = NULL;
+		}
+	}
+	*song_ptr = s;
+}
+
+int is_note_cmd(byte **a, IsNoteCmdData *isnote) {
+	byte *s = *a;
+	byte code;
+
+	code = *s++;
+	
+	switch(code>>4) {
+	case 8: /* key off */
+		isnote->chan = code&0xF;
+		isnote->note = *s++;
+		isnote->vel = *s++;
+		*a = s;
+		return 1;
+	case 9: /* key on */
+		isnote->chan = code&0xF;
+		isnote->note = *s++;
+		isnote->vel = *s++;
+		*a = s;
+		if (isnote->vel)
+			return 2;
+		return 1;
+	case 0xA:
+	case 0xB:
+	case 0xE:
+		s++;
+	case 0xC:
+	case 0xD:
+		s++;
+		break;
+	case 0xF:
+		if (code==0xF0 || code==0xF7 || code==0xFF && *s++ != 0x2F) {
+			s += get_delta_time(&s);
+			break;
+		}
+		return -1;
+	default:
+		return -1;
+	}
+	*a = s;
+	return 0;
+}
+
+/**********************************************************************/
+
+void SoundEngine::lock() {
+	_locked++;
+}
+
+void SoundEngine::unlock() {
+	_locked--;
+}
+
+byte *SoundEngine::findTag(int sound, char *tag, int index) {
+	byte *ptr = _base_sounds[sound];
+	int32 size,pos;
+
+	if (ptr==NULL) {
+		debug(1, "SoundEngine::findTag completely failed finding sound %d", sound);
+		return 0;
+	}
+
+	ptr += 8;
+	size = READ_BE_UINT32_UNALIGNED(ptr);
+	ptr += 4;
+
+	pos = 0;
+	while (pos < size) {
+		if (!memcmp(ptr + pos, tag, 4) && !index--)
+			return ptr + pos + 8;
+		pos += READ_BE_UINT32_UNALIGNED(ptr + pos + 4) + 8;
+	}
+	debug(1, "SoundEngine::findTag failed finding sound %d", sound);
+	return NULL;
+
+}
+
+bool SoundEngine::start_sound(int sound) {
+	Player *player;
+	void *mdhd;
+
+	mdhd = findTag(sound, MDHD_TAG, 0);
+	if (!mdhd)
+		return false;
+
+	player = allocate_player(128);
+	if (!player)
+		return false;
+
+	player->clear();
+	return player->start_sound(sound);
+}
+
+
+Player *SoundEngine::allocate_player(byte priority) {
+	Player *player = _players, *best = NULL;
+	int i;
+	byte bestpri = 255;
+
+	for (i=ARRAYSIZE(_players); i!=0; i--, player++) {
+		if (!player->_active)
+			return player;
+		if (player->_priority < bestpri) {
+			best = player;
+			bestpri = player->_priority;
+		}
+	}
+
+	if (bestpri < priority)
+		return best;
+
+	debug(1, "Denying player request");
+	return NULL;
+}
+
+void SoundEngine::init_players() {
+	Player *player = _players;
+	int i;
+
+	for (i=ARRAYSIZE(_players); i!=0; i--, player++) {
+		player->_active = false;
+		player->_se = this;
+	}
+}
+
+void SoundEngine::init_sustaining_notes() {
+	SustainingNotes *next = NULL, *sn = _sustaining_notes;
+	int i;
+
+	_sustain_notes_used = NULL;
+	_sustain_notes_head = NULL;
+
+	for (i=ARRAYSIZE(_sustaining_notes);i!=0; i--,sn++) {
+		sn->next = next;
+		next = sn;
+	}
+	_sustain_notes_free = next;
+}
+
+void SoundEngine::init_volume_fader() {
+	VolumeFader *vf = _volume_fader;
+	int i;
+
+	for (i=ARRAYSIZE(_volume_fader); i!=0; i--, vf++)
+		vf->initialize();
+
+	_active_volume_faders = false;
+}
+
+void SoundEngine::init_parts() {
+	Part *part;
+	int i;
+
+	for (i=0,part=_parts; i!=ARRAYSIZE(_parts); i++, part++) {
+		part->init(_driver);
+		part->_slot = i;
+	}
+}
+
+int SoundEngine::stop_sound(int sound) {
+	Player *player = _players;
+	int i;
+	int r = -1;
+
+	for (i=ARRAYSIZE(_players); i!=0; i--,player++) {
+		if (player->_active && player->_id==sound) {
+			player->clear();
+			r = 0;
+		}
+	}
+	return r;
+}
+
+int SoundEngine::stop_all_sounds() {
+	Player *player = _players;
+	int i;
+
+	for (i=ARRAYSIZE(_players); i!=0; i--,player++) {
+		if (player->_active)
+			player->clear();
+	}
+	return 0;
+}
+
+void SoundEngine::on_timer() {
+	if (_locked || _paused)
+		return;
+	
+	lock();
+	
+	sequencer_timers();
+	expire_sustain_notes();
+	expire_volume_faders();
+	_driver->on_timer();
+
+	unlock();
+}
+
+void SoundEngine::sequencer_timers() {
+	Player *player = _players;
+	int i;
+
+	for (i=ARRAYSIZE(_players); i!=0; i--,player++) {
+		if (player->_active)
+			player->sequencer_timer();
+	}
+}
+
+void Player::sequencer_timer() {
+	byte *mtrk;
+	uint32 counter;
+	byte *song_ptr;
+
+	counter = _timer_counter + _timer_speed;
+	_timer_counter = counter&0xFFFF;
+	_cur_pos += counter>>16;
+	_tick_index += counter>>16;
+
+	if (_tick_index>=_ticks_per_beat) {
+		_beat_index += _tick_index/_ticks_per_beat;
+		_tick_index %= _ticks_per_beat;
+	}
+	if (_loop_counter && _beat_index >= _loop_from_beat && _tick_index >= _loop_from_tick) {
+		_loop_counter--;
+		jump(_track_index, _loop_to_beat, _loop_to_tick);
+	}
+	if (_next_pos <= _cur_pos) {
+		mtrk = _se->findTag(_song_index, "MTrk", _track_index);
+		if (!mtrk) {
+			warning("Sound %d was unloaded while active", _song_index);
+			clear();
+		} else {
+			song_ptr = mtrk + _song_offset;
+			_abort = false;
+
+			while (_next_pos <= _cur_pos) {
+				song_ptr = parse_midi(song_ptr);
+				if (!song_ptr || _abort)
+					return;
+				_next_pos += get_delta_time(&song_ptr);
+			}
+			_song_offset = song_ptr - mtrk;
+		}
+	}
+}
+
+void SoundEngine::handle_marker(uint id, byte data) {
+	uint16 *p;
+	uint pos;
+	int a;
+	
+	pos = _queue_end;
+	if (pos == _queue_pos)
+		return;
+	
+	if (_queue_adding && _queue_sound==id && data==_queue_marker)
+		return;
+
+	p = _cmd_queue[pos].array;
+
+	if (p[0] != TRIGGER_ID || p[1] != id || p[2] != data)
+		return;
+
+	_trigger_count--;
+	_queue_cleared = false;
+	do {
+		pos = (++pos) & (ARRAYSIZE(_cmd_queue)-1);
+		if (_queue_pos == pos)
+			break;
+		p = _cmd_queue[pos].array;
+		if (*p++ != COMMAND_ID)
+			break;
+		_queue_end = pos;
+
+		do_command(p[0],p[1],p[2],p[3],p[4],p[5],p[6],0);
+
+		if (_queue_cleared)
+			return;
+		pos = _queue_end;
+	} while (1);
+
+	_queue_end = pos;
+}
+
+int SoundEngine::get_channel_volume(uint a) {
+	if (a<8)
+		return _channel_volume_eff[a];
+	return _master_volume;
+}
+
+Part *SoundEngine::allocate_part(byte pri) {
+	Part *part,*best=NULL;
+	int i;
+
+	for (i=ARRAYSIZE(_parts),part=_parts; i!=0; i--,part++) {
+		if (!part->_player)
+			return part;
+		if (pri >= part->_pri_eff) {
+			pri = part->_pri_eff;
+			best = part;
+		}
+	}
+
+	if (best)
+		best->uninit();
+	else
+		debug(1, "Denying part request");
+	return best;
+}
+
+void SoundEngine::expire_sustain_notes() {
+	SustainingNotes *sn,*next;
+	Player *player;
+	uint32 counter;
+
+	for(sn=_sustain_notes_head; sn; sn = next) {
+		next = sn->next;
+		player = sn->player;
+
+		counter = sn->counter + player->_timer_speed;
+		sn->pos += counter>>16;
+		sn->counter = counter & 0xFFFF;
+
+		if (sn->pos >= sn->off_pos) {
+			player->key_off(sn->chan, sn->note);
+
+			/* Unlink the node */
+			if (next)
+				next->prev = sn->prev;
+			if (sn->prev)
+				sn->prev->next = next;
+			else
+				_sustain_notes_head = next;
+
+			/* And put it in the free list */
+			sn->next = _sustain_notes_free;
+			_sustain_notes_free = sn;
+		}
+	}
+}
+
+void SoundEngine::expire_volume_faders() {
+	VolumeFader *vf;
+	int i;
+
+	if (++_volume_fader_counter & 7)
+		return;
+
+	if (!_active_volume_faders)
+		return;
+
+	_active_volume_faders = false;
+	vf = _volume_fader;
+	for (i=ARRAYSIZE(_volume_fader); i!=0; i--,vf++) {
+		if (vf->active) {
+			_active_volume_faders = true;
+			vf->on_timer();
+		}
+	}
+}
+
+void VolumeFader::on_timer() {
+	byte newvol;
+	
+	newvol = curvol + speed_hi;
+	speed_lo_counter += speed_lo;
+
+	if (speed_lo_counter >= speed_lo_max) {
+		speed_lo_counter -= speed_lo_max;
+		newvol += direction;
+	}
+	
+	if (curvol!=newvol) {
+		if (!newvol) {
+			player->clear();
+			active = false;
+			return;
+		}
+		curvol = newvol;
+		player->set_vol(newvol);
+	}
+	
+	if (!--num_steps) {
+		active = false;
+	}
+}
+
+int SoundEngine::get_sound_status(int sound) {
+	int i;
+	Player *player;
+
+	for (i=ARRAYSIZE(_players),player=_players; i!=0; i--,player++) {
+		if (player->_active && player->_id==(uint16)sound)
+			return 1;
+	}
+	return get_queue_sound_status(sound);
+}
+
+int SoundEngine::get_queue_sound_status(int sound) {
+	uint16 *a;
+	int i,j;
+	
+	j = _queue_pos;
+	i = _queue_end;
+
+	while (i!=j) {
+		a = _cmd_queue[i].array;
+		if (a[0] == COMMAND_ID && a[1] == 8 && a[2] == (uint16)sound)
+			return 2;
+		i = (++i) & (ARRAYSIZE(_cmd_queue)-1);
+	}
+	return 0;
+}
+
+int SoundEngine::set_volchan(int sound, int volchan) {
+	int r;
+	int i;
+	int num;
+	Player *player,*best,*sameid;
+
+	r = get_volchan_entry(volchan);
+	if (r==-1)
+		return -1;
+
+	if (r >= 8) {
+		for(i=ARRAYSIZE(_players),player=_players; i!=0; i--,player++) {
+			if (player->_active && player->_id==(uint16)sound && player->_vol_chan!=(uint16)volchan) {
+				player->_vol_chan = volchan;
+				player->set_vol(player->_volume);
+				return 0;
+			}
+		}
+		return -1;
+	} else {
+		best = NULL;
+		num = 0;
+		sameid = NULL;
+		for(i=ARRAYSIZE(_players),player=_players; i!=0; i--,player++) {
+			if (player->_active) {
+				if (player->_vol_chan==(uint16)volchan) {
+					num++;
+					if (!best || player->_priority <= best->_priority)
+						best = player;
+				} else if (player->_id == (uint16)sound) {
+					sameid = player;
+				}
+			}
+		}
+		if (sameid==NULL)
+			return -1;
+		if (num >= r)
+			best->clear();
+		player->_vol_chan = volchan;
+		player->set_vol(player->_volume);
+		return 0;
+	}
+}
+
+int SoundEngine::clear_queue() {
+	_queue_adding = false;
+	_queue_cleared = true;
+	_queue_pos = 0;
+	_queue_end = 0;
+	_trigger_count = 0;
+	return 0;
+}
+
+int SoundEngine::enqueue_command(int a, int b, int c, int d, int e, int f, int g) {
+	uint16 *p;
+	uint32 r;
+	uint i;
+
+	i = _queue_pos;
+
+	if (i == _queue_end)
+		return -1;
+
+	if (a==-1) {
+		_queue_adding = false;
+		_trigger_count++;
+		return 0;
+	}
+
+	p = _cmd_queue[_queue_pos].array;
+	p[0] = COMMAND_ID;
+	p[1] = a;
+	p[2] = b;
+	p[3] = c;
+	p[4] = d;
+	p[5] = e;
+	p[6] = f;
+	p[7] = g;
+
+	i = (++i) & (ARRAYSIZE(_cmd_queue)-1);
+
+	if (_queue_end!=i) {
+		_queue_pos = i;
+		return 0;
+	} else {
+		_queue_pos = (--i) & (ARRAYSIZE(_cmd_queue)-1);
+		return -1;
+	}
+}
+
+int SoundEngine::query_queue(int param) {
+	switch(param) {
+	case 0: /* get trigger count */
+		return _trigger_count;
+	case 1: /* get trigger type */
+		if (_queue_end==_queue_pos)
+			return -1;
+		return _cmd_queue[_queue_end].array[1];
+	case 2: /* get trigger sound */
+		if (_queue_end==_queue_pos)
+			return 0xFF;
+		return _cmd_queue[_queue_end].array[2];
+	default:
+		return -1;
+	}
+}
+
+int SoundEngine::set_master_volume(uint vol) {
+	int i;
+	if (vol > 127)
+		return -1;
+	_master_volume = vol;
+	for (i=0; i!=8; i++)
+		_channel_volume_eff[i] = (_channel_volume[i]+1) * vol >> 7;
+	update_volumes();
+	return 0;
+}
+
+int SoundEngine::get_master_volume() {
+	return _master_volume;
+}
+
+int SoundEngine::terminate() {
+	return 0;
+	/* not implemented */
+}
+
+
+int SoundEngine::enqueue_trigger(int sound, int marker) {
+	uint16 *p;
+	uint pos;
+
+	pos = _queue_pos;
+
+	p = _cmd_queue[pos].array;
+	p[0] = TRIGGER_ID;
+	p[1] = sound;
+	p[2] = marker;
+
+	pos = (++pos) & (ARRAYSIZE(_cmd_queue)-1);
+	if (_queue_end==pos) {
+		_queue_pos =  (--pos) & (ARRAYSIZE(_cmd_queue)-1);
+		return -1;
+	}
+	
+	_queue_pos = pos;
+	_queue_adding = true;
+	_queue_sound = sound;
+	_queue_marker = marker;
+	return 0;
+}
+
+int32 SoundEngine::do_command(int a, int b, int c, int d, int e, int f, int g, int h) {
+	byte cmd = a&0xFF;
+	byte param = a>>8;
+	Player *player;
+
+	if (!_initialized && (cmd || param))
+		return -1;
+
+	if (param==0) {
+		switch(cmd) {
+		case 6:
+			return set_master_volume(b);
+		case 7:
+			return get_master_volume();
+		case 8:
+			return start_sound(b) ? 0 : -1;
+		case 9:
+			return stop_sound(b);
+		case 11:
+			return stop_all_sounds();
+		case 13:
+			return get_sound_status(b);
+		case 16:
+			return set_volchan(b,c);
+		case 17:
+			return set_channel_volume(b,c);
+		case 18:
+			return set_volchan_entry(b,c);
+		default:
+			warning("SoundEngine::do_command invalid command %d", cmd);
+		}
+	} else if (param==1) {
+		
+		if ( (1<<cmd) & (0x783FFF)) {
+			player = get_player_byid(b);
+			if (!player)
+				return -1;
+			if ( (1<<cmd) & (1<<11 | 1<<22) ) {
+				assert(c>=0 && c<=15);
+				player = (Player*)player->get_part(c);
+				if(!player)
+					return -1;
+			}
+		}
+	
+		switch(cmd) {
+		case 0:
+			return player->get_param(c, d);
+		case 1:
+			player->set_priority(c);
+			return 0;
+		case 2:
+			return player->set_vol(c);
+		case 3:
+			player->set_pan(c);
+			return 0;
+		case 4:
+			return player->set_transpose(c, d);
+		case 5:
+			player->set_detune(c);
+			return 0;
+		case 6:
+			player->set_speed(c);
+			return 0;
+		case 7:
+			return player->jump(c,d,e) ? 0 : -1;
+		case 8:
+			return player->scan(c,d,e);
+		case 9:
+			return player->set_loop(c,d,e,f,g) ? 0 : -1;
+		case 10:
+			player->clear_loop();
+			return 0;
+		case 11:
+			((Part*)player)->set_onoff(d!=0);
+			return 0;
+		case 12:
+			return player->_hook.set(c, d, e);
+		case 13:
+			return player->fade_vol(c,d);
+		case 14:
+			return enqueue_trigger(b,c);
+		case 15:
+			return enqueue_command(b,c,d,e,f,g,h);
+		case 16:
+			return clear_queue();
+		case 19:
+			return player->get_param(c,d);
+		case 20:
+			return player->_hook.set(c,d,e);
+		case 21:
+			return -1;
+		case 22:
+			((Part*)player)->set_vol(d);
+			return 0;
+		case 23:
+			return query_queue(b);
+		case 24:
+			return 0;
+		default:
+			warning("SoundEngine::do_command default midi command %d", cmd);
+			return -1;
+		}
+	}
+
+	return -1;
+}
+
+int SoundEngine::set_channel_volume(uint chan, uint vol) {
+	if (chan>=8 || vol>127)
+		return -1;
+
+	_channel_volume[chan] = vol;
+	_channel_volume_eff[chan] = _master_volume * (vol+1) >> 7;
+	update_volumes();
+	return 0;
+}
+
+void SoundEngine::update_volumes() {
+	Player *player;
+	int i;
+
+	for(i=ARRAYSIZE(_players),player=_players; i!=0; i--,player++) {
+		if (player->_active)
+			player->set_vol(player->_volume);
+	}
+}
+
+int SoundEngine::set_volchan_entry(uint a, uint b) {
+	if (a >= 8)
+		return -1;
+	_volchan_table[a] = b;
+	return 0;
+}
+
+int HookDatas::query_param(int param, byte chan) {
+	switch(param) {
+	case 18:
+		return _jump;
+	case 19:
+		return _transpose;
+	case 20:
+		return _part_onoff[chan];
+	case 21:
+		return _part_volume[chan];
+	case 22:
+		return _part_program[chan];
+	case 23:
+		return _part_transpose[chan];
+	default:
+		return -1;
+	}
+}
+
+int HookDatas::set(byte cls, byte value, byte chan) {
+	switch(cls) {
+	case 0:
+		_jump = value;
+		break;
+	case 1:
+		_transpose = value;
+		break;
+	case 2:
+		if (chan<16)
+			_part_onoff[chan] = value;
+		else if (chan==16)
+			memset(_part_onoff, value, 16);
+		break;
+	case 3:
+		if (chan<16)
+			_part_volume[chan] = value;
+		else if (chan==16)
+			memset(_part_volume, value, 16);
+		break;
+	case 4:
+		if (chan<16)
+			_part_program[chan] = value;
+		else if (chan==16)
+			memset(_part_program, value, 16);
+		break;
+	case 5:
+		if (chan<16)
+			_part_transpose[chan] = value;
+		else if (chan==16)
+			memset(_part_transpose, value, 16);
+		break;
+	default:
+		return -1;
+	}
+	return 0;
+}
+
+
+VolumeFader *SoundEngine::allocate_volume_fader() {
+	VolumeFader *vf;
+	int i;
+
+	vf = _volume_fader;
+	for(i=ARRAYSIZE(_volume_fader); vf->active; ) {
+		vf++;
+		if (!--i)
+			return NULL;
+	}
+
+	vf->active = true;
+	_active_volume_faders = true;
+	return vf;
+}
+
+Player *SoundEngine::get_player_byid(int id) {
+	int i;
+	Player *player,*found=NULL;
+
+	for(i=ARRAYSIZE(_players),player=_players; i!=0; i--,player++) {
+		if (player->_active && player->_id==(uint16)id) {
+			if(found)
+				return NULL;
+			found = player;
+		}
+	}
+	return found;
+}
+
+int SoundEngine::get_volchan_entry(uint a) {
+	if (a<8)
+		return _volchan_table[a];
+	return -1;
+}
+
+int SoundEngine::initialize(Scumm *scumm, SoundDriver *driver) {
+	int i;
+	if (_initialized)
+		return -1;
+
+	scumm->_soundEngine = this;
+	_s = scumm;
+
+	_driver = (SOUND_DRIVER_TYPE*)driver;
+
+	_master_volume = 127;
+	for (i=0; i!=8; i++)
+		_channel_volume[i] = _channel_volume_eff[i] = _volchan_table[i] = 127;
+
+	init_players();
+	init_sustaining_notes();
+	init_volume_fader();
+	init_queue();
+	init_parts();
+
+	_driver->init(this);
+
+	_initialized = true;
+	
+	return 0;
+}
+
+void SoundEngine::init_queue() {
+	_queue_adding = false;
+	_queue_pos = 0;
+	_queue_end = 0;
+	_trigger_count = 0;
+}
+
+void SoundEngine::pause(bool paused) {
+	Part *part;
+	int i;
+	MidiChannel *mc;
+
+	lock();
+
+#if 0
+
+	for (i=ARRAYSIZE(_parts),part=_parts; i!=0; i--, part++) {
+		if (part->_player) {
+			if (paused) {
+				part->_vol_eff = 0;
+			} else {
+				part->set_vol(part->_vol);
+			}
+			part->vol_changed();
+		}
+	}
+#endif
+
+	_paused = paused;
+
+	unlock();
+}
+
+
+/*************************************************************************/
+
+int Player::fade_vol(byte vol, int time) {
+	VolumeFader *vf;
+	int i;
+
+	cancel_volume_fade();
+	if (time==0) {
+		set_vol(vol);
+		return 0;
+	}
+	
+	vf = _se->allocate_volume_fader();
+	if (vf==NULL)
+		return -1;
+
+	vf->player = this;
+	vf->num_steps = vf->speed_lo_max = time;
+	vf->curvol = _volume;
+	i = (vol - vf->curvol);
+	vf->speed_hi = i / time;
+	if (i<0) {
+		i = -i;
+		vf->direction = -1;
+	} else {
+		vf->direction = 1;
+	}
+	vf->speed_lo = i % time;
+	vf->speed_lo_counter = 0;
+	return 0;
+}
+
+void Player::clear() {
+	uninit_seq();
+	cancel_volume_fade();
+	uninit_parts();
+	_active = false;
+	_ticks_per_beat = TICKS_PER_BEAT;
+}
+
+bool Player::start_sound(int sound) {
+	void *mdhd;
+	
+	mdhd = _se->findTag(sound, MDHD_TAG, 0);
+	if (mdhd==NULL)
+		return false;
+
+	_parts = NULL;
+	_active = true;
+	_id = sound;
+	_priority = 0x80;
+	_volume = 0x7F;
+	_vol_chan = 0xFFFF;
+
+	_vol_eff = (_se->get_channel_volume(0xFFFF)<<7)>>7;
+
+	_pan = 0;
+	_transpose = 0;
+	_detune = 0;
+
+	hook_clear();
+	if (start_seq_sound(sound) != 0) {
+		_active = false;
+		return false;
+	}
+	return true;
+}
+
+void Player::hook_clear() {
+	memset(&_hook, 0, sizeof(_hook));
+}
+
+int Player::start_seq_sound(int sound) {
+	byte *ptr, *track_ptr;
+
+	_song_index = sound;
+	_timer_counter = 0;
+	_loop_to_beat = 1;
+	_loop_from_beat = 1;
+	_track_index = 0;
+	_loop_counter = 0;
+	_loop_to_tick = 0;
+	_loop_from_tick = 0;
+
+	set_tempo(500000);
+	set_speed(128);
+	ptr = _se->findTag(sound, "MTrk", _track_index);
+	if (ptr==NULL)
+		return -1;
+	
+	track_ptr = ptr;
+	_cur_pos = _next_pos = get_delta_time(&track_ptr);
+	_song_offset = track_ptr - ptr;
+	
+	_tick_index = _cur_pos;
+	_beat_index = 1;
+
+	if (_tick_index >= _ticks_per_beat) {
+		_beat_index += _tick_index/_ticks_per_beat;
+		_tick_index %= _ticks_per_beat;
+	}
+
+	return 0;
+}
+
+void Player::set_tempo(uint32 b) {
+	uint32 i,j;
+
+	i = TEMPO_BASE;
+	j = _tempo = b;
+
+	while (i&0xFFFF0000 || j&0xFFFF0000) { i>>=1; j>>=1; }
+
+	_tempo_eff = (i<<16) / j;
+
+	set_speed(_speed);
+}
+
+void Player::cancel_volume_fade() {
+	VolumeFader *vf = _se->_volume_fader;
+	int i;
+
+	for (i=0; i<8; i++,vf++) {
+		if (vf->active && vf->player==this)
+			vf->active = false;
+	}
+}
+
+void Player::uninit_parts() {
+	if (_parts && _parts->_player != this)
+		error("asd");
+	while(_parts)
+		_parts->uninit();
+}
+
+void Player::uninit_seq() {
+	_abort = true;
+}
+
+void Player::set_speed(byte speed) {
+	_speed = speed;
+	_timer_speed = (_tempo_eff * speed >> 7);
+}
+
+byte *Player::parse_midi(byte *s) {
+	byte cmd,chan,note,velocity,control;
+	uint value;
+	Part *part;
+	
+	cmd = *s++;
+
+	chan = cmd&0xF;
+
+	switch(cmd>>4) {
+	case 0x8: /* key off */
+		note = *s++;
+		if (!_scanning) {
+			key_off(chan, note);
+		} else {
+			clear_active_note(chan, note);
+		}
+		s++; /* skip velocity */
+		break;
+
+	case 0x9: /* key on */
+		note = *s++;
+		velocity = *s++;
+		if (velocity) {
+			if (!_scanning)
+				key_on(chan, note,velocity);
+			else
+				set_active_note(chan,note);
+		} else {
+			if (!_scanning)
+				key_off(chan, note);
+			else
+				clear_active_note(chan,note);
+		}
+		break;
+
+	case 0xA: /* aftertouch */
+		s += 2;
+		break;
+
+	case 0xB: /* control change */
+		control = *s++;
+		value = *s++;
+		part = get_part(chan);
+		if (!part)
+			break;
+		
+		switch(control) {
+		case 1:  /* modulation wheel */
+			part->set_modwheel(value);
+			break;
+		case 7:  /* volume */
+			part->set_vol(value);
+			break;
+		case 10: /* pan position */
+			part->set_pan(value - 0x40);
+			break;
+		case 16: /* pitchbend factor */
+			part->set_pitchbend_factor(value);
+			break;
+		case 17: /* gp slider 2 */
+			part->set_detune(value - 0x40);
+			break;
+		case 18: /* gp slider 3 */
+			part->set_pri(value - 0x40);
+			_se->_driver->update_pris();
+			break;
+		case 64: /* hold pedal */
+			part->set_pedal(value!=0);
+			break;
+		case 91: /* effects level */
+			part->set_effect_level(value);
+			break;
+		case 93: /* chorus */
+			part->set_chorus(value);
+			break;
+		default:
+			warning("parse_midi: invalid control %d", control);
+		}
+		break;
+
+	case 0xC: /* program change */
+		value = *s++;
+		part = get_part(chan);
+		if (part)
+			part->set_program(value);
+		break;
+
+	case 0xD: /* channel pressure */
+		s++;
+		break;
+
+	case 0xE: /* pitch bend */
+		part = get_part(chan);
+		if (part)
+			part->set_pitchbend(((s[1]-0x40)<<7)|s[0]);
+		s+=2;
+		break;
+
+	case 0xF:
+		if (chan==0) {
+			uint size = get_delta_time(&s);
+			if (*s==SYSEX_ID)
+				parse_sysex(s,size);
+			s += size;
+		} else if (chan==0xF) {
+			cmd = *s++;
+			if (cmd==47)
+				goto Error; /* end of song */
+			if (cmd==81) {
+				set_tempo((s[1]<<16) | (s[2]<<8) | s[3]);
+				s+=4;
+				break;
+			}
+			s += get_delta_time(&s);
+		} else if (chan==0x7) {
+			s += get_delta_time(&s);
+		} else {
+			goto Error;
+		}
+		break;
+
+	default:
+Error:;
+		if(!_scanning)
+			clear();
+		return NULL;
+	}
+	return s;
+}
+
+void Player::parse_sysex(byte *p, uint len) {
+	byte code;
+	byte a;
+	uint b;
+	byte buf[128];
+	Part *part;
+	byte hw;
+
+	/* too big? */
+	if (len>=sizeof(buf)*2)
+		return;
+
+	/* skip sysex manufacturer */
+	p++;
+	len -= 2;
+	
+	switch(code=*p++) {
+	case 16: /* set instrument in part */
+		a = *p++ & 0x0F;
+		if (HARDWARE_TYPE != *p++)
+			break;
+		decode_sysex_bytes(p, buf, len - 3);
+		part = get_part(a);
+		if(part)
+			part->set_instrument((Instrument*)buf);
+		break;
+
+	case 17: /* set global instrument */
+		p++;
+		if (HARDWARE_TYPE != *p++)
+			break;
+		a=*p++;
+		decode_sysex_bytes(p, buf, len - 4);
+		_se->_driver->set_instrument(a, buf);
+		break;
+
+	case 33: /* param adjust */
+		a = *p++ & 0x0F;
+		if (HARDWARE_TYPE != *p++)
+			break;
+		decode_sysex_bytes(p, buf, len - 3);
+		part = get_part(a);
+		if (part)
+			part->set_param(read_word(buf),read_word(buf+2));
+		break;
+
+	case 48: /* hook - jump */
+		if (_scanning)
+			break;
+		decode_sysex_bytes(p+1,buf,len-2);
+		maybe_jump(buf);
+		break;
+
+	case 49: /* hook - global transpose */
+		decode_sysex_bytes(p+1,buf,len-2);
+		maybe_set_transpose(buf);
+		break;
+
+	case 50: /* hook - part on/off */
+		buf[0] = *p++ & 0x0F;
+		decode_sysex_bytes(p,buf+1,len-2);
+		maybe_part_onoff(buf);
+		break;
+
+	case 51: /* hook - set volume */
+		buf[0] = *p++ & 0x0F;
+		decode_sysex_bytes(p,buf+1,len-2);
+		maybe_set_volume(buf);
+		break;
+
+	case 52: /* hook - set program */
+		buf[0] = *p++ & 0x0F;
+		decode_sysex_bytes(p,buf+1,len-2);
+		maybe_set_program(buf);
+		break;
+	
+	case 53: /* hook - set transpose */
+		buf[0] = *p++ & 0x0F;
+		decode_sysex_bytes(p,buf+1,len-2);
+		maybe_set_transpose_part(buf);
+		break;
+
+	case 64: /* marker */
+		p++;
+		len -= 2;
+		while (len--) {
+			_se->handle_marker(_id, *p++);
+		}
+		break;
+
+	case 80: /* loop */
+		decode_sysex_bytes(p+1,buf,len-2);
+		set_loop( 
+			read_word(buf), 
+			read_word(buf+2), 
+			read_word(buf+4),
+			read_word(buf+6),
+			read_word(buf+8)
+		);
+		break;
+
+	case 81: /* end loop */
+		clear_loop();
+		break;
+
+	case 96: /* set instrument */
+		part = get_part(p[0] & 0x0F);
+		b = (p[1]&0x0F)<<12 | (p[2]&0x0F)<<8 | (p[4]&0x0F)<<4 | (p[4]&0x0F);
+		if(part)
+			part->set_instrument(b);
+		break;
+
+	default:
+		debug(6,"unknown sysex %d", code);
+	}
+}
+
+void Player::decode_sysex_bytes(byte *src, byte *dst, int len) {
+	while(len>=0) {
+		*dst++ = (src[0]<<4)|(src[1]&0xF);
+		src += 2;
+		len -= 2;
+	}
+}
+
+void Player::maybe_jump(byte *data) {
+	byte cmd;
+
+	cmd = data[0];
+
+	/* is this the hook i'm waiting for? */
+	if (cmd && _hook._jump!=cmd)
+		return;
+
+	/* reset hook? */
+	if(cmd!=0 && cmd<0x80)
+		_hook._jump = 0;
+
+	jump(read_word(data+1), read_word(data+3), read_word(data+5));
+}
+
+void Player::maybe_set_transpose(byte *data) {
+	byte cmd;
+
+	cmd = data[0];
+
+	/* is this the hook i'm waiting for? */
+	if (cmd && _hook._transpose!=cmd)
+		return;
+
+	/* reset hook? */
+	if(cmd!=0 && cmd<0x80)
+		_hook._transpose = 0;
+
+	set_transpose(data[1], (int8)data[2]);
+}
+
+void Player::maybe_part_onoff(byte *data) {
+	byte cmd,*p;
+	uint chan;
+	Part *part;
+
+	cmd = data[1];
+	chan = data[0];
+
+	p = &_hook._part_onoff[chan];
+
+	/* is this the hook i'm waiting for? */
+	if (cmd && *p!=cmd)
+		return;
+
+	if (cmd!=0 && cmd<0x80)
+		*p = 0;
+
+	part = get_part(chan);
+	if (part)
+		part->set_onoff(data[2]!=0);
+}
+
+void Player::maybe_set_volume(byte *data) {
+	byte cmd;
+	byte *p;
+	uint chan;
+	Part *part;
+
+	cmd = data[1];
+	chan = data[0];
+
+	p = &_hook._part_volume[chan];
+
+	/* is this the hook i'm waiting for? */
+	if (cmd && *p!=cmd)
+		return;
+
+	/* reset hook? */
+	if (cmd!=0 && cmd<0x80)
+		*p = 0;
+
+	part = get_part(chan);
+	if (part)
+		part->set_vol(data[2]);
+}
+
+void Player::maybe_set_program(byte *data) {
+	byte cmd;
+	byte *p;
+	uint chan;
+	Part *part;
+
+	cmd = data[1];
+	chan = data[0];
+
+	/* is this the hook i'm waiting for? */
+	p = &_hook._part_program[chan];
+
+	if (cmd && *p!=cmd)
+		return;
+
+	if (cmd!=0 && cmd<0x80)
+		*p = 0;
+
+	part = get_part(chan);
+	if (part)
+		part->set_program(data[2]);
+}
+
+void Player::maybe_set_transpose_part(byte *data) {
+	byte cmd;
+	byte *p;
+	uint chan;
+
+	cmd = data[1];
+	chan = data[0];
+
+	/* is this the hook i'm waiting for? */
+	p = &_hook._part_transpose[chan];
+
+	if (cmd && *p!=cmd)
+		return;
+
+	/* reset hook? */
+	if (cmd!=0 && cmd<0x80)
+		*p = 0;
+
+	part_set_transpose(chan, data[2], (int8)data[3]);
+}
+
+int Player::set_transpose(byte relative, int b) {
+	Part *part;
+
+	if (b>24 || b<-24 || relative>1)
+		return -1;
+	if (relative)
+		b = transpose_clamp(_transpose + b, -7, 7);
+
+	_transpose = b;
+
+	for(part=_parts; part; part=part->_next) {
+		part->set_transpose(part->_transpose);
+	}
+
+	return 0;
+}
+
+void Player::clear_active_notes() {
+	memset(_se->_active_notes, 0, sizeof(_se->_active_notes));
+}
+
+void Player::clear_active_note(int chan, byte note) {
+	_se->_active_notes[note] &= ~(1<<chan);
+}
+
+void Player::set_active_note(int chan, byte note) {
+	_se->_active_notes[note] |= (1<<chan);
+}
+
+void Player::part_set_transpose(uint8 chan, byte relative, int8 b) {
+	Part *part;
+
+	if (b>24 || b<-24)
+		return;
+
+	part = get_part(chan);
+	if (!part)
+		return;
+	if (relative)
+		b = transpose_clamp(b + part->_transpose, -7, 7);
+	part->set_transpose(b);
+}
+
+void Player::key_on(uint8 chan, uint8 note, uint8 velocity) {
+	Part *part;
+
+	part = get_part(chan);
+	if (!part || !part->_on)
+		return;
+
+	part->key_on(note, velocity);
+}
+
+void Player::key_off(uint8 chan, uint8 note) {
+	Part *part;
+
+	for(part=_parts; part; part = part->_next) {
+		if (part->_chan==(byte)chan && part->_on)
+			part->key_off(note);
+	}
+}
+
+bool Player::jump(uint track, uint beat, uint tick) {
+	byte *mtrk, *cur_mtrk, *scanpos;
+	uint32 topos,curpos,track_offs;
+
+	if (!_active)
+		return false;
+
+	mtrk = _se->findTag(_song_index, "MTrk", track);
+	if (!mtrk)
+		return false;
+
+	cur_mtrk = _se->findTag(_song_index,"MTrk", _track_index);
+	if (!cur_mtrk)
+		return false;
+
+	_se->lock();
+
+	if (beat==0)
+		beat=1;
+
+	topos = (beat-1) * _ticks_per_beat + tick;
+
+	if (track == _track_index && topos >= _cur_pos) {
+		scanpos = _song_offset + mtrk;
+		curpos = _next_pos;
+	} else {
+		scanpos = mtrk;
+		curpos = get_delta_time(&scanpos);
+	}
+
+	while (curpos < topos) {
+		skip_midi_cmd(&scanpos);
+		if (!scanpos) {
+			_se->unlock();
+			return false;
+		}
+		curpos += get_delta_time(&scanpos);
+	}
+
+	track_offs = scanpos - mtrk;
+
+	turn_off_pedals();
+
+	find_sustaining_notes(cur_mtrk+_song_offset, mtrk+track_offs, curpos-topos);
+
+	_beat_index = beat;
+	_tick_index = tick;
+	_cur_pos = topos;
+	_next_pos = curpos;
+	_timer_counter = 0;
+	_song_offset = track_offs;
+	if (track != _track_index) {
+		_track_index = track;
+		_loop_counter = 0;
+	}
+	_abort = true;
+	_se->unlock();
+	return true;
+}
+
+bool Player::set_loop(uint count, uint tobeat, uint totick, uint frombeat, uint fromtick) {
+	if (tobeat+1 >= frombeat)
+		return false;
+
+	if (tobeat==0)
+		tobeat=1;
+
+	_loop_counter = 0; /* because of possible interrupts */
+	_loop_to_beat = tobeat;
+	_loop_to_tick = totick;
+	_loop_from_beat = frombeat;
+	_loop_from_tick = fromtick;
+	_loop_counter = count;
+
+	return true;
+}
+
+void Player::clear_loop() {
+	_loop_counter = 0;
+}
+
+void Player::turn_off_pedals() {
+	Part *part;
+
+	for(part=_parts; part; part = part->_next) {
+		if (part->_pedal)
+			part->set_pedal(false);
+	}
+}
+
+void Player::find_sustaining_notes(byte *a, byte *b, uint32 l) {
+	uint32 pos;
+	uint16 mask;
+	uint16 *bitlist_ptr;
+	SustainingNotes *sn,*next;
+	IsNoteCmdData isnote;
+	int j;
+	uint num_active;
+	uint max_off_pos;
+
+	num_active = update_actives();
+
+	/* pos contains number of ticks since current position */
+	pos = _next_pos - _cur_pos;
+	if ((int32)pos<0)
+		pos = 0;
+
+	/* locate the positions where the notes are turned off.
+	 * remember each note that was turned off
+	 */
+	while (num_active != 0) {
+		/* is note off? */
+		j = is_note_cmd(&a,&isnote);
+		if (j==-1)
+			break;
+		if (j == 1) {
+			mask = 1<<isnote.chan;
+			bitlist_ptr = _se->_active_notes + isnote.note;
+			if (*bitlist_ptr & mask) {
+				*bitlist_ptr &= ~mask;
+				num_active--;
+				/* Get a node from the free list */
+				if ((sn=_se->_sustain_notes_free) == NULL)
+					return;
+				_se->_sustain_notes_free = sn->next;
+				
+				/* Insert it in the beginning of the used list */
+				sn->next = _se->_sustain_notes_used;
+				_se->_sustain_notes_used = sn;
+				sn->prev = NULL;
+				if (sn->next)
+					sn->next->prev = sn;
+
+				sn->note = isnote.note;
+				sn->chan = isnote.chan;
+				sn->player = this;
+				sn->off_pos = pos;
+				sn->pos = 0;
+				sn->counter = 0;
+			}
+		}
+		pos += get_delta_time(&a);
+	}
+
+	/* find the maximum position where a note was turned off */
+	max_off_pos = 0;
+	for(sn=_se->_sustain_notes_used; sn; sn = sn->next) {
+		_se->_active_notes[sn->note] |= (1<<sn->chan);
+		if (sn->off_pos > max_off_pos) {
+			max_off_pos = sn->off_pos;
+		}
+	}
+
+	/* locate positions where notes are turned on */
+	pos = l;
+	while (pos < max_off_pos) {
+		j = is_note_cmd(&b,&isnote);
+		if (j==-1)
+			break;
+		if (j == 2) {
+			mask = 1<<isnote.chan;
+			bitlist_ptr = _se->_active_notes + isnote.note;
+
+			if (*bitlist_ptr&mask) {
+				sn = _se->_sustain_notes_used;
+				while (sn) {
+					next = sn->next;
+					if (sn->note==isnote.note && sn->chan==isnote.chan && pos < sn->off_pos) {
+						*bitlist_ptr &= ~mask;
+						/* Unlink from the sustain list */
+						if (next)
+							next->prev = sn->prev;
+						if (sn->prev)
+							sn->prev->next = next;
+						else
+							_se->_sustain_notes_used = next;
+						/* Insert into the free list */
+						sn->next = _se->_sustain_notes_free;
+						_se->_sustain_notes_free = sn;
+					}
+					sn = next;
+				}
+			}
+		}
+		pos += get_delta_time(&b);
+	}
+
+	/* Concatenate head and used list */
+	if (!_se->_sustain_notes_head) {
+		_se->_sustain_notes_head = _se->_sustain_notes_used;
+		_se->_sustain_notes_used = NULL;
+		return;
+	}
+	sn = _se->_sustain_notes_head;
+	while (sn->next) sn = sn->next;
+	sn->next = _se->_sustain_notes_used;
+	_se->_sustain_notes_used = NULL;
+	if (sn->next)
+		sn->next->prev = sn;
+}
+
+Part *Player::get_part(uint8 chan) {
+	Part *part;
+
+	part = _parts;
+	while (part) {
+		if (part->_chan == chan)
+			return part;
+		part = part->_next;
+	}
+
+	part = _se->allocate_part(_priority);
+	if (!part) {
+		warning("no parts available");
+		return NULL;
+	}
+	
+	part->_chan = chan;
+	part->setup(this);
+
+	return part;
+}
+
+uint Player::update_actives() {
+	Part *part;
+	MidiChannel *mc;
+	uint16 *active;
+	int count = 0;
+	
+	clear_active_notes();	
+	active = _se->_active_notes;
+	for(part=_parts; part; part = part->_next) {
+		if (part->_mc)
+			count += part->update_actives(active);
+	}
+	return count;
+}
+
+void Player::set_priority(int pri) {
+	Part *part;
+
+	_priority = pri;
+	for(part=_parts; part; part = part->_next) {
+		part->set_pri(part->_pri);
+	}
+	_se->_driver->update_pris();
+}
+
+void Player::set_pan(int pan) {
+	Part *part;
+
+	_pan = pan;
+	for(part=_parts; part; part = part->_next) {
+		part->set_pan(part->_pan);
+	}
+}
+
+void Player::set_detune(int detune) {
+	Part *part;
+
+	_detune = detune;
+	for(part=_parts; part; part = part->_next) {
+		part->set_detune(part->_detune);
+	}
+}
+
+int Player::scan(uint totrack, uint tobeat, uint totick) {
+	byte *mtrk,*scanptr;
+	uint32 curpos,topos;
+	uint32 pos;
+
+	assert(totrack>=0 && tobeat>=0 && totick>=0);
+
+	if (!_active)
+		return -1;
+
+	mtrk = _se->findTag(_song_index, "MTrk", totrack);
+	if (!mtrk)
+		return -1;
+
+	_se->lock();
+	if (tobeat==0)
+		tobeat++;
+
+	turn_off_parts();
+	clear_active_notes();
+	scanptr = mtrk;
+	curpos = get_delta_time(&scanptr);
+	_scanning=true;
+
+	topos = (tobeat-1) * _ticks_per_beat + totick;
+
+	while (curpos < topos) {
+		scanptr = parse_midi(scanptr);
+		if (!scanptr) {
+			_scanning=false;
+			_se->unlock();
+			return -1;
+		}
+		curpos += get_delta_time(&scanptr);
+	}
+	pos = scanptr - mtrk;
+
+	_scanning=false;
+	_se->driver()->update_pris();
+	play_active_notes();
+	_beat_index = tobeat;
+	_tick_index = totick;
+	_cur_pos = topos;
+	_next_pos = curpos;
+	_timer_counter = 0;
+	_song_offset = pos;
+	if (_track_index != totrack) {
+		_track_index = totrack;
+		_loop_counter = 0;
+	}
+	_se->unlock();
+	return 0;
+}
+
+void Player::turn_off_parts() {
+	Part *part;
+
+	for(part=_parts; part; part = part->_next)
+		part->off();
+}
+
+void Player::play_active_notes() {
+	int i,j;
+	uint mask;
+
+	for (i=0; i!=128; i++) {
+		mask = _se->_active_notes[i];
+		for (j=0; j!=16; j++,mask>>=1) {
+			if (mask&1) {
+				key_on(j, i, 80);
+			}
+		}
+	}
+}
+
+int Player::set_vol(byte vol) {
+	Part *part;
+
+	if (vol > 127)
+		return -1;
+
+	_volume = vol;
+	_vol_eff = _se->get_channel_volume(_vol_chan) * (vol + 1) >> 7;
+
+	for(part=_parts; part; part=part->_next) {
+		part->set_vol(part->_vol);
+	}
+
+	return 0;
+}
+
+int Player::get_param(int param, byte chan) {
+	switch(param) {
+	case 0:
+		return (byte)_priority;
+	case 1:
+		return (byte)_volume;
+	case 2:
+		return (byte)_pan;
+	case 3:
+		return (byte)_transpose;
+	case 4:
+		return (byte)_detune;
+	case 5:
+		return _speed;
+	case 6:
+		return _track_index;
+	case 7:
+		return _beat_index;
+	case 8:
+		return _tick_index;
+	case 9:
+		return _loop_counter;
+	case 10:
+		return _loop_to_beat;
+	case 11:
+		return _loop_to_tick;
+	case 12:
+		return _loop_from_beat;
+	case 13:
+		return _loop_from_tick;
+	case 14: case 15: case 16: case 17:
+		return query_part_param(param, chan);
+	case 18: case 19: case 20: case 21: case 22: case 23:
+		return _hook.query_param(param, chan);
+	default:
+		return -1;
+	}
+}
+
+int Player::query_part_param(int param, byte chan) {
+	Part *part;
+
+	part = _parts;
+	while (part) {
+		if(part->_chan==chan) {
+			switch(param) {
+			case 14:
+				return part->_on;
+			case 15:
+				return part->_vol;
+			case 16:
+				return part->_program;
+			case 17:
+				return part->_transpose;
+			default:
+				return -1;
+			}
+		}
+		part = part->_next;
+	}
+	return 129;
+}
+
+/*******************************************************************/
+
+#define OFFS(type,item) ((int)(&((type*)0)->item))
+#define SIZE(type,item) sizeof(((type*)0)->item)
+#define MKLINE(type,item,saveas) {OFFS(type,item),saveas,SIZE(type,item)}
+#define MKARRAY(type,item,saveas,num) {OFFS(type,item),128|saveas,SIZE(type,item)}, {num,0,0}
+#define MKEND() {0xFFFF,0xFF,0xFF}
+
+#define MKREF(type,item,refid) {OFFS(type,item),refid,0xFF}
+
+enum {
+	TYPE_PART = 1,
+	TYPE_PLAYER = 2,
+};
+
+int SoundEngine::saveReference(SoundEngine *me, byte type, void*ref) {
+	switch(type) {
+	case TYPE_PART: return (Part*)ref - me->_parts;
+	case TYPE_PLAYER: return (Player*)ref - me->_players;
+	default:
+		error("saveReference: invalid type");
+	}
+}
+
+void *SoundEngine::loadReference(SoundEngine *me, byte type, int ref) {
+	switch(type) {
+	case TYPE_PART: return &me->_parts[ref];
+	case TYPE_PLAYER: return &me->_players[ref];
+	default:
+		error("loadReference: invalid type");
+	}
+}
+
+int SoundEngine::save_or_load(Serializer *ser) {
+	const SaveLoadEntry mainEntries[] = {
+		MKLINE(SoundEngine,_queue_end, sleUint8),
+		MKLINE(SoundEngine,_queue_pos, sleUint8),
+		MKLINE(SoundEngine,_queue_sound, sleUint16),
+		MKLINE(SoundEngine,_queue_adding, sleByte),
+		MKLINE(SoundEngine,_queue_marker, sleByte),
+		MKLINE(SoundEngine,_queue_cleared, sleByte),
+		MKLINE(SoundEngine,_master_volume, sleByte),
+		MKLINE(SoundEngine,_trigger_count, sleUint16),
+		MKARRAY(SoundEngine,_channel_volume[0], sleUint16, 8),
+		MKARRAY(SoundEngine,_volchan_table[0], sleUint16, 8),
+		MKEND()
+	};
+	
+	const SaveLoadEntry playerEntries[] = {
+		MKREF(Player,_parts,TYPE_PART),
+		MKLINE(Player,_active,sleByte),
+		MKLINE(Player,_id,sleUint16),
+		MKLINE(Player,_priority,sleByte),
+		MKLINE(Player,_volume,sleByte),
+		MKLINE(Player,_pan,sleInt8),
+		MKLINE(Player,_transpose,sleByte),
+		MKLINE(Player,_detune,sleInt8),
+		MKLINE(Player,_vol_chan,sleUint16),
+		MKLINE(Player,_vol_eff,sleByte),
+		MKLINE(Player,_speed,sleByte),
+		MKLINE(Player,_song_index,sleUint16),
+		MKLINE(Player,_track_index,sleUint16),
+		MKLINE(Player,_timer_counter,sleUint16),
+		MKLINE(Player,_loop_to_beat,sleUint16),
+		MKLINE(Player,_loop_from_beat,sleUint16),
+		MKLINE(Player,_loop_counter,sleUint16),
+		MKLINE(Player,_loop_to_tick,sleUint16),
+		MKLINE(Player,_loop_from_tick,sleUint16),
+		MKLINE(Player,_tempo,sleUint32),
+		MKLINE(Player,_cur_pos,sleUint32),
+		MKLINE(Player,_next_pos,sleUint32),
+		MKLINE(Player,_song_offset,sleUint32),
+		MKLINE(Player,_tick_index,sleUint16),
+		MKLINE(Player,_beat_index,sleUint16),
+		MKLINE(Player,_ticks_per_beat,sleUint16),
+		MKLINE(Player,_hook._jump,sleByte),
+		MKLINE(Player,_hook._transpose,sleByte),
+		MKARRAY(Player,_hook._part_onoff[0],sleByte,16),
+		MKARRAY(Player,_hook._part_volume[0],sleByte,16),
+		MKARRAY(Player,_hook._part_program[0],sleByte,16),
+		MKARRAY(Player,_hook._part_transpose[0],sleByte,16),
+		MKEND()
+	};
+
+	const SaveLoadEntry volumeFaderEntries[] = {
+		MKREF(VolumeFader,player,TYPE_PLAYER),
+		MKLINE(VolumeFader,active,sleUint8),
+		MKLINE(VolumeFader,curvol,sleUint8),
+		MKLINE(VolumeFader,speed_lo_max,sleUint16),
+		MKLINE(VolumeFader,num_steps,sleUint16),
+		MKLINE(VolumeFader,speed_hi,sleInt8),
+		MKLINE(VolumeFader,direction,sleInt8),
+		MKLINE(VolumeFader,speed_lo,sleInt8),
+		MKLINE(VolumeFader,speed_lo_counter,sleUint16),
+		MKEND()
+	};
+
+	const SaveLoadEntry partEntries[] = {
+		MKREF(Part,_next,TYPE_PART),
+		MKREF(Part,_prev,TYPE_PART),
+		MKREF(Part,_player,TYPE_PLAYER),
+		MKLINE(Part,_pitchbend,sleInt16),
+		MKLINE(Part,_pitchbend_factor,sleUint8),
+		MKLINE(Part,_transpose,sleInt8),
+		MKLINE(Part,_vol,sleUint8),
+		MKLINE(Part,_detune,sleInt8),
+		MKLINE(Part,_pan,sleInt8),
+		MKLINE(Part,_on,sleUint8),
+		MKLINE(Part,_modwheel,sleUint8),
+		MKLINE(Part,_pedal,sleUint8),
+		MKLINE(Part,_program,sleUint8),
+		MKLINE(Part,_pri,sleUint8),
+		MKLINE(Part,_chan,sleUint8),
+		MKLINE(Part,_effect_level,sleUint8),
+		MKLINE(Part,_chorus,sleUint8),
+		MKLINE(Part,_percussion,sleUint8),
+		MKLINE(Part,_bank,sleUint8),
+		MKEND()
+	};
+
+	if (!ser->isSaving()) {
+		stop_all_sounds();
+	}
+
+	ser->_ref_me = this;
+	ser->_saveload_ref = ser->isSaving() ? ((void*)&saveReference) : ((void*)&loadReference);
+
+	ser->saveLoadEntries(this, mainEntries);
+	ser->saveLoadArrayOf(_players, ARRAYSIZE(_players), sizeof(_players[0]), playerEntries);
+	ser->saveLoadArrayOf(_parts, ARRAYSIZE(_parts),sizeof(_parts[0]), partEntries);
+	ser->saveLoadArrayOf(_volume_fader,ARRAYSIZE(_volume_fader),
+		sizeof(_volume_fader[0]), volumeFaderEntries);
+
+	if (!ser->isSaving()) {
+		/* Load all sounds that we need */
+		int i;
+		fix_players_after_load();
+		init_sustaining_notes();
+		_active_volume_faders = true;
+		fix_parts_after_load();
+		_driver->update_pris();
+	}
+
+	return 0;
+}
+
+#undef MKLINE
+#undef MKEND
+
+void SoundEngine::fix_parts_after_load() {
+	Part *part;
+	int i;
+
+	for (i=ARRAYSIZE(_parts),part=_parts; i!=0; i--, part++) {
+		if (part->_player)
+			part->fix_after_load();
+	}
+}
+
+/* Only call this routine from the main thread,
+ * since it uses getResourceAddress */
+void SoundEngine::fix_players_after_load() {
+	Player *player = _players;
+	int i;
+
+	for (i=ARRAYSIZE(_players); i!=0; i--, player++) {
+		if (player->_active) {
+			player->set_tempo(player->_tempo);
+			_s->getResourceAddress(rtSound, player->_id);
+		}
+	}
+}
+
+void Part::set_detune(int8 detune) {
+	_detune_eff = clamp((_detune=detune) + _player->_detune, -128, 127);
+	changed(SoundDriver::pcMod);
+}
+
+void Part::set_pitchbend(int value) {
+	_pitchbend = value * _pitchbend_factor >> 6;
+	changed(SoundDriver::pcMod);
+}
+
+void Part::set_vol(uint8 vol) {
+	_vol_eff = ((_vol=vol)+1)*_player->_vol_eff >> 7;
+	changed(SoundDriver::pcVolume);
+}
+
+void Part::set_pri(int8 pri) {
+	_pri_eff = clamp((_pri=pri) + _player->_priority, 0, 255);
+}
+
+void Part::set_pan(int8 pan) {
+	_pan_eff = clamp((_pan=pan) + _player->_pan, -64, 63);
+	changed(SoundDriver::pcPan);
+}
+
+void Part::set_transpose(int8 transpose) {
+	_transpose_eff = transpose_clamp((_transpose=transpose) +
+			_player->_transpose, -12, 12);
+	changed(SoundDriver::pcMod);
+}
+
+void Part::set_pedal(bool value) {
+	_pedal = value;
+	changed(SoundDriver::pcPedal);
+}
+
+void Part::set_modwheel(uint value) {
+	_modwheel = value;
+	changed(SoundDriver::pcModwheel);
+}
+
+void Part::set_chorus(uint chorus) {
+	_chorus = chorus;
+	changed(SoundDriver::pcChorus);
+}
+
+void Part::set_effect_level(uint level) {
+	_effect_level = level;
+	changed(SoundDriver::pcEffectLevel);
+}
+
+void Part::fix_after_load() {
+	set_transpose(_transpose);
+	set_vol(_vol);
+	set_detune(_detune);
+	set_pri(_pri);
+	set_pan(_pan);
+}
+
+void Part::set_pitchbend_factor(uint8 value) {
+	if (value > 12)
+		return;
+	set_pitchbend(0);
+	_pitchbend_factor = value;
+}
+
+void Part::set_onoff(bool on) {
+	if (_on != on) {
+		_on = on;
+		if (!on)
+			off();
+		if (!_percussion)
+			update_pris();
+	}
+}
+
+void Part::set_instrument(Instrument *data) {
+	_drv->part_set_instrument(this, data);
+}
+
+void Part::key_on(byte note, byte velocity) {
+	_drv->part_key_on(this, note, velocity);
+}
+
+void Part::key_off(byte note) {
+	_drv->part_key_off(this, note);
+}
+
+void Part::init(SoundDriver *driver) {
+	_drv = (SOUND_DRIVER_TYPE*)driver;
+	_player = NULL;
+	_next = NULL;
+	_prev = NULL;
+	_mc = NULL;
+}
+
+void Part::setup(Player *player) {
+	_player = player;
+	
+	/* Insert first into player's list */
+	_prev = NULL;
+		_next = player->_parts;
+	if (player->_parts)
+		player->_parts->_prev = this;
+	player->_parts = this;
+
+	_percussion = true;
+	_on = true;
+	_pri_eff = player->_priority;
+	_pri = 0;
+	_vol = 127;
+	_vol_eff = player->_vol_eff;
+	_pan = clamp(player->_pan, -64, 63);
+	_transpose_eff = player->_transpose;
+	_transpose = 0;
+	_detune = 0;
+	_detune_eff = player->_detune;
+	_pitchbend_factor = 2;
+	_pitchbend = 0;
+	_effect_level = 64;
+	_program = 255;
+	_chorus = 0;
+	_modwheel = 0;
+	_bank = 0;
+	_pedal = false;
+	_mc = NULL;
+}
+
+void Part::uninit() {
+	if (!_player)
+		return;
+	off();
+	
+	/* unlink */
+	if (_next)
+		_next->_prev = _prev;
+	if (_prev)
+		_prev->_next = _next;
+	else
+		_player->_parts = _next;
+	_player = NULL;
+	_next = NULL;
+	_prev = NULL;
+}
+
+void Part::off() {
+	_drv->part_off(this);
+}
+
+void Part::changed(byte what) {
+	_drv->part_changed(this, what);
+}
+
+void Part::set_param(byte param, int value) {
+	_drv->part_set_param(this,param,value);
+}
+
+void Part::update_pris() {
+	_drv->update_pris();
+}
+
+int Part::update_actives(uint16 *active) {
+	return _drv->part_update_active(this, active);
+}
+
+void Part::set_program(byte program) {
+	if (_program!=program || _bank!=0) {
+		_program = program;
+		_bank = 0;
+		changed(SoundDriver::pcProgram);
+	}
+}
+
+void Part::set_instrument(uint b) {
+	_bank = (byte)(b>>8);
+	_program = (byte)b;
+	changed(SoundDriver::pcProgram);
+}
+