scummvm/sound/mididrv.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001/2002 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.
 *
 * $Header$
 */

/*
 * Timidity support by Lionel Ulmer <lionel.ulmer@free.fr>
 * QuickTime support by Florent Boudet <flobo@ifrance.com>
 * Raw output support by Michael Pearce
 * MorphOS support by Ruediger Hanke 
 */

#include "stdafx.h"
#include "scumm.h"
#include "mididrv.h"

#if defined(WIN32) && !defined(_WIN32_WCE)

/* Windows MIDI driver */
class MidiDriver_WIN : public MidiDriver {
public:
	void destroy();
	int open(int mode);
	void close();
	void send(uint32 b);
	void pause(bool pause);
	void set_stream_callback(void *param, StreamCallback *sc);

private:
	struct MyMidiHdr {
		MIDIHDR hdr;
	};

	enum {
		NUM_PREPARED_HEADERS=2,
		MIDI_EVENT_SIZE = 64,
		BUFFER_SIZE = MIDI_EVENT_SIZE * 12,
	};

	StreamCallback *_stream_proc;
	void *_stream_param;
	int _mode;

	HMIDIOUT _mo;
	HMIDISTRM _ms;

	MyMidiHdr *_prepared_headers;

	uint16 _time_div;

	void unprepare();
	void prepare();
	void check_error(MMRESULT result);
	void fill_all();
	uint32 property(int prop, uint32 param);

	static void CALLBACK midi_callback(HMIDIOUT hmo, UINT wMsg,
		DWORD dwInstance, DWORD dwParam1, DWORD dwParam2);
};

void MidiDriver_WIN::set_stream_callback(void *param, StreamCallback *sc) {
	_stream_param = param;
	_stream_proc = sc;
}

void MidiDriver_WIN::destroy() {
	close();
	delete this;
}

void CALLBACK MidiDriver_WIN::midi_callback(HMIDIOUT hmo, UINT wMsg,
	DWORD dwInstance, DWORD dwParam1, DWORD dwParam2) {

	switch(wMsg) {
	case MM_MOM_DONE:{
		MidiDriver_WIN *md = ((MidiDriver_WIN*)dwInstance);
		if (md->_mode)
			md->fill_all();
		break;
		}
	}
}

int MidiDriver_WIN::open(int mode) {
	if (_mode != 0)
		return MERR_ALREADY_OPEN;
	
	_mode = mode;

	if (mode == MO_SIMPLE) {
		MMRESULT res = midiOutOpen((HMIDIOUT *) &_mo, MIDI_MAPPER, NULL, NULL, 0);
		if (res != MMSYSERR_NOERROR)
			check_error(res);
	} else {
		/* streaming mode */
		MIDIPROPTIMEDIV mptd;
		UINT _midi_device_id = 0;

		check_error(midiStreamOpen(&_ms, &_midi_device_id, 1, 
			(uint32)midi_callback, (uint32)this, CALLBACK_FUNCTION));
		
		prepare();

		mptd.cbStruct = sizeof(mptd);
		mptd.dwTimeDiv = _time_div;

		check_error(midiStreamProperty(_ms, (byte*)&mptd, 
			MIDIPROP_SET | MIDIPROP_TIMEDIV));

		fill_all();
	}

	return 0;
}

void MidiDriver_WIN::fill_all() {
	if (_stream_proc == NULL) {
		error("MidiDriver_WIN::fill_all() called, but _stream_proc==NULL");
	}

	uint i;
	MyMidiHdr *mmh = _prepared_headers;
	MidiEvent my_evs[64];

	for(i=0; i!=NUM_PREPARED_HEADERS; i++,mmh++) {
		if (!(mmh->hdr.dwFlags & MHDR_INQUEUE)) {
			int num = _stream_proc(_stream_param, my_evs, 64);
			int i;

			/* end of stream? */
			if (num == 0)
				break;

			MIDIEVENT *ev = (MIDIEVENT*)mmh->hdr.lpData;
			MidiEvent *my_ev = my_evs;

			for(i=0; i!=num; i++,my_ev++) {
				ev->dwStreamID = 0;
				ev->dwDeltaTime = my_ev->delta;

				switch(my_ev->event>>24) {
				case 0:
					ev->dwEvent = my_ev->event;
					break;
				case ME_TEMPO:
					/* change tempo event */
					ev->dwEvent = (MEVT_TEMPO<<24) | (my_ev->event&0xFFFFFF);
					break;
				default:
					error("Invalid event type passed");
				}
				
				/* increase stream pointer by 12 bytes 
				 * (need to be 12 bytes, and sizeof(MIDIEVENT) is 16) 
				 */
				ev = (MIDIEVENT*)((byte*)ev + 12);
			}

			mmh->hdr.dwBytesRecorded = num * 12;
			check_error(midiStreamOut(_ms, &mmh->hdr, sizeof(mmh->hdr)));
		}
	}
}

void MidiDriver_WIN::prepare() {
	int i;
	MyMidiHdr *mmh;
		
	_prepared_headers = (MyMidiHdr*)calloc(sizeof(MyMidiHdr), 2);

	for(i=0,mmh=_prepared_headers; i!=NUM_PREPARED_HEADERS; i++,mmh++) {
		mmh->hdr.dwBufferLength = BUFFER_SIZE;
		mmh->hdr.lpData = (LPSTR)calloc(BUFFER_SIZE,1);

		check_error(midiOutPrepareHeader(
			(HMIDIOUT)_ms, &mmh->hdr, sizeof(mmh->hdr)));
	}
}

void MidiDriver_WIN::unprepare() {
	uint i;
	MyMidiHdr *mmh = _prepared_headers;

	for(i=0; i!=NUM_PREPARED_HEADERS; i++,mmh++) {
		check_error(midiOutUnprepareHeader(
			(HMIDIOUT)_ms, &mmh->hdr, sizeof(mmh->hdr)));
		free(mmh->hdr.lpData);
		mmh->hdr.lpData = NULL;
	}

	free(_prepared_headers);
}

void MidiDriver_WIN::close() {
	int mode_was = _mode;
	_mode = 0;

	switch(mode_was) {
	case MO_SIMPLE:
		check_error(midiOutClose(_mo));
		break;
	case MO_STREAMING:;
		check_error(midiStreamStop(_ms));
		check_error(midiOutReset((HMIDIOUT)_ms));
		unprepare();
		check_error(midiStreamClose(_ms));
		break;
	}
}

void MidiDriver_WIN::send(uint32 b) {
	if (_mode != MO_SIMPLE)
		error("MidiDriver_WIN:send called but driver is not in simple mode");
	check_error(midiOutShortMsg(_mo, b));
}

void MidiDriver_WIN::pause(bool pause) {
	if (_mode == MO_STREAMING) {
		if (pause)
			check_error(midiStreamPause(_ms));
		else
			check_error(midiStreamRestart(_ms));
	}
}

void MidiDriver_WIN::check_error(MMRESULT result) {
	char buf[200];
	if (result != MMSYSERR_NOERROR) {
		midiOutGetErrorText(result, buf, 200);
		error("MM System Error '%s'", buf);
	}
}

uint32 MidiDriver_WIN::property(int prop, uint32 param) {
	switch(prop) {
	
	/* 16-bit time division according to standard midi specification */
	case PROP_TIMEDIV: 
		_time_div = (uint16)param;
		return 1;
	}

	return 0;
}

MidiDriver *MidiDriver_WIN_create() {
	return new MidiDriver_WIN();
}

#endif // WIN32

#ifdef __MORPHOS__
#include <exec/types.h>
#include <devices/amidi.h>

#include <clib/alib_protos.h>
#include <proto/exec.h>

extern struct IOMidiRequest *ScummMidiRequest;

/* MorphOS MIDI driver */
class MidiDriver_AMIDI : public MidiDriver {
public:
	void destroy();
	int open(int mode);
	void close();
	void send(uint32 b);
	void pause(bool pause);
	void set_stream_callback(void *param, StreamCallback *sc);

private:
	StreamCallback *_stream_proc;
	void  *_stream_param;
	int 	 _mode;
};

void MidiDriver_AMIDI::set_stream_callback(void *param, StreamCallback *sc) {
	_stream_param = param;
	_stream_proc = sc;
}

void MidiDriver_AMIDI::destroy() {
	close();
	delete this;
}

int MidiDriver_AMIDI::open(int mode) {
	_mode = mode;
	return 0;
}

void MidiDriver_AMIDI::close() {
	_mode = 0;
}

void MidiDriver_AMIDI::send(uint32 b) {
	if (_mode != MO_SIMPLE)
		error("MidiDriver_AMIDI:send called but driver is not in simple mode");

	if (ScummMidiRequest) {
		ULONG midi_data = b;				// you never know about an int's size ;-)
		ScummMidiRequest->amr_Std.io_Command = CMD_WRITE;
		ScummMidiRequest->amr_Std.io_Data = &midi_data;
		ScummMidiRequest->amr_Std.io_Length = 4;
		DoIO((struct IORequest *)ScummMidiRequest);
	}
}

void MidiDriver_AMIDI::pause(bool pause) {
	if (_mode == MO_STREAMING) {
	}
}

MidiDriver *MidiDriver_AMIDI_create() {
	return new MidiDriver_AMIDI();
}

#endif // __MORPHOS__

#if defined(UNIX) && !defined(__BEOS__)
#define SEQ_MIDIPUTC    5
#define SPECIAL_CHANNEL 9
#define DEVICE_NUM 1

class MidiDriver_SEQ : public MidiDriver {
public:
        MidiDriver_SEQ();
	void destroy();
	int open(int mode);
	void close();
	void send(uint32 b);
	void pause(bool pause);
	void set_stream_callback(void *param, StreamCallback *sc);

private:
	StreamCallback *_stream_proc;
	void  *_stream_param;
	int 	 _mode;
	int device;
};

MidiDriver_SEQ::MidiDriver_SEQ(){
  _mode=0;
  device=0;
}

int MidiDriver_SEQ::open(int mode) {
        if (_mode != 0)
		return MERR_ALREADY_OPEN;
	device = 0;
	_mode=mode;
	if (mode!=MO_SIMPLE) return MERR_STREAMING_NOT_AVAILABLE;

	char *device_name = getenv("SCUMMVM_MIDI");
	if (device_name != NULL) {
		device = (::open((device_name), O_RDWR, 0));
	} else {
		warning("You need to set-up the SCUMMVM_MIDI environment variable properly (see readme.txt) ");
	}
	if ((device_name == NULL) || (device < 0)) {
		if (device_name == NULL)
			warning("Opening /dev/null (no music will be heard) ");
		else
			warning("Cannot open rawmidi device %s - using /dev/null (no music will be heard) ", device_name);
		device = (::open(("/dev/null"), O_RDWR, 0));
		if (device < 0)
			error("Cannot open /dev/null to dump midi output");
	}

	return 0;
}

void MidiDriver_SEQ::close() {
        ::close(device);
	_mode = 0;
}


void MidiDriver_SEQ::send(uint32 b)
{
	unsigned char buf[256];
	int position = 0;

	switch (b & 0xF0) {
	case 0x80:
	case 0x90:
	case 0xA0:
	case 0xB0:
	case 0xE0:
		buf[position++] = SEQ_MIDIPUTC;
		buf[position++] = (unsigned char)b;
		buf[position++] = DEVICE_NUM;
		buf[position++] = 0;
		buf[position++] = SEQ_MIDIPUTC;
		buf[position++] = (unsigned char)((b >> 8) & 0x7F);
		buf[position++] = DEVICE_NUM;
		buf[position++] = 0;
		buf[position++] = SEQ_MIDIPUTC;
		buf[position++] = (unsigned char)((b >> 16) & 0x7F);
		buf[position++] = DEVICE_NUM;
		buf[position++] = 0;
		break;
	case 0xC0:
	case 0xD0:
		buf[position++] = SEQ_MIDIPUTC;
		buf[position++] = (unsigned char)b;
		buf[position++] = DEVICE_NUM;
		buf[position++] = 0;
		buf[position++] = SEQ_MIDIPUTC;
		buf[position++] = (unsigned char)((b >> 8) & 0x7F);
		buf[position++] = DEVICE_NUM;
		buf[position++] = 0;
		break;
	default:
		fprintf(stderr, "Unknown : %08x\n", (int) b);
		break;
	}
	write(device, buf, position);
}

void MidiDriver_SEQ::pause(bool pause) {
	if (_mode == MO_STREAMING) {
	}
}

void MidiDriver_SEQ::set_stream_callback(void *param, StreamCallback *sc) {
	_stream_param = param;
	_stream_proc = sc;
}

MidiDriver *MidiDriver_SEQ_create() {
	return new MidiDriver_SEQ();
}

void MidiDriver_SEQ::destroy() {
	close();
	delete this;
}

#endif

#if defined(__APPLE__) || defined(__APPLE_CW)
// FIXME - this is for Mac OS X and Mac OS 9. It's not really possible
// to check for these *cleanly* without a configure script, though..

#include <QuickTime/QuickTimeComponents.h>
#include <QuickTime/QuickTimeMusic.h>



/* QuickTime MIDI driver */
class MidiDriver_QT : public MidiDriver {
public:
	void destroy();
	int open(int mode);
	void close();
	void send(uint32 b);
	void pause(bool pause);
	void set_stream_callback(void *param, StreamCallback *sc);

private:
	NoteAllocator qtNoteAllocator;
	NoteChannel qtNoteChannel[16];
	NoteRequest simpleNoteRequest;

	StreamCallback *_stream_proc;
	void  *_stream_param;
	int 	 _mode;
};

void MidiDriver_QT::set_stream_callback(void *param, StreamCallback *sc) {
	_stream_param = param;
	_stream_proc = sc;
}

void MidiDriver_QT::destroy()
{
	close();
	delete this;
}

int MidiDriver_QT::open(int mode) {
	ComponentResult qtErr = noErr;
	qtNoteAllocator = NULL;

	if (mode == MO_STREAMING)
		return MERR_STREAMING_NOT_AVAILABLE;

	_mode = mode;

	for (int i = 0; i < 15; i++)
		qtNoteChannel[i] = NULL;

	qtNoteAllocator = OpenDefaultComponent(kNoteAllocatorComponentType, 0);
	if (qtNoteAllocator == NULL)
		goto bail;

	simpleNoteRequest.info.flags = 0;
	*(short *)(&simpleNoteRequest.info.polyphony) = EndianS16_NtoB(15);	// simultaneous tones
	*(Fixed *) (&simpleNoteRequest.info.typicalPolyphony) =
		EndianU32_NtoB(0x00010000);

	qtErr = NAStuffToneDescription(qtNoteAllocator, 1, &simpleNoteRequest.tone);
	if (qtErr != noErr)
		goto bail;

	for (int i = 0; i < 15; i++) {
		qtErr =
			NANewNoteChannel(qtNoteAllocator, &simpleNoteRequest,
											 &(qtNoteChannel[i]));
		if ((qtErr != noErr) || (qtNoteChannel == NULL))
			goto bail;
	}
	return 0;

bail:
	error("Init QT failed %x %x %d\n", (int)qtNoteAllocator, (int)qtNoteChannel,
					(int)qtErr);
	for (int i = 0; i < 15; i++) {
		if (qtNoteChannel[i] != NULL)
			NADisposeNoteChannel(qtNoteAllocator, qtNoteChannel[i]);
		qtNoteChannel[i] = NULL;
	}

	if (qtNoteAllocator != NULL) {
		CloseComponent(qtNoteAllocator);
		qtNoteAllocator = NULL;
	}

	return MERR_DEVICE_NOT_AVAILABLE;
}

void MidiDriver_QT::close() {
	_mode = 0;

	for (int i = 0; i < 15; i++) {
		if (qtNoteChannel[i] != NULL)
			NADisposeNoteChannel(qtNoteAllocator, qtNoteChannel[i]);
		qtNoteChannel[i] = NULL;
	}

	if (qtNoteAllocator != NULL) {
		CloseComponent(qtNoteAllocator);
		qtNoteAllocator = NULL;
	}
}

void MidiDriver_QT::send(uint32 b) {
	if (_mode != MO_SIMPLE)
		error("MidiDriver_QT:send called but driver is not in simple mode");

	MusicMIDIPacket midPacket;
	unsigned char *midiCmd = midPacket.data;
	midPacket.length = 3;
	midiCmd[3] = (b & 0xFF000000) >> 24;
	midiCmd[2] = (b & 0x00FF0000) >> 16;
	midiCmd[1] = (b & 0x0000FF00) >> 8;
	midiCmd[0] = (b & 0x000000FF);

	unsigned char chanID = midiCmd[0] & 0x0F;
	switch (midiCmd[0] & 0xF0) {
	case 0x80:										// Note off
		NAPlayNote(qtNoteAllocator, qtNoteChannel[chanID], midiCmd[1], 0);
		break;

	case 0x90:										// Note on
		NAPlayNote(qtNoteAllocator, qtNoteChannel[chanID], midiCmd[1], midiCmd[2]);
		break;

	case 0xB0:										// Effect
		switch (midiCmd[1]) {
		case 0x01:									// Modulation
			NASetController(qtNoteAllocator, qtNoteChannel[chanID],
											kControllerModulationWheel, midiCmd[2] << 8);
			break;

		case 0x07:									// Volume
			NASetController(qtNoteAllocator, qtNoteChannel[chanID],
											kControllerVolume, midiCmd[2] * 300);
			break;

		case 0x0A:									// Pan
			NASetController(qtNoteAllocator, qtNoteChannel[chanID], kControllerPan,
											(midiCmd[2] << 1) + 0xFF);
			break;

		case 0x40:									// Sustain on/off
			NASetController(qtNoteAllocator, qtNoteChannel[chanID],
											kControllerSustain, midiCmd[2]);
			break;

		case 0x5b:									// ext effect depth
			NASetController(qtNoteAllocator, qtNoteChannel[chanID],
											kControllerReverb, midiCmd[2] << 8);
			break;

		case 0x5d:									// chorus depth
			NASetController(qtNoteAllocator, qtNoteChannel[chanID],
											kControllerChorus, midiCmd[2] << 8);
			break;

		case 0x7b:									// mode message all notes off
			for (int i = 0; i < 128; i++)
				NAPlayNote(qtNoteAllocator, qtNoteChannel[chanID], i, 0);
			break;

		default:
			error("Unknown MIDI effect: %08x\n", (int)b);
			break;
		}
		break;

	case 0xC0:										// Program change
		NASetInstrumentNumber(qtNoteAllocator, qtNoteChannel[chanID], midiCmd[1]);
		break;

	case 0xE0:{									// Pitch bend
			long theBend =
				((((long)midiCmd[1] + (long)(midiCmd[2] << 8))) - 0x4000) / 4;
			NASetController(qtNoteAllocator, qtNoteChannel[chanID],
											kControllerPitchBend, theBend);
		}
		break;

	default:
		error("Unknown Command: %08x\n", (int)b);
		NASendMIDI(qtNoteAllocator, qtNoteChannel[chanID], &midPacket);
		break;
	}
}

void MidiDriver_QT::pause(bool pause) {
}

MidiDriver *MidiDriver_QT_create() {
	return new MidiDriver_QT();
}

#endif // __APPLE__ || __APPLE_CW


#ifdef __APPLE__

#include <AudioUnit/AudioUnit.h>

/* CoreAudio MIDI driver */
/* Based on code by Benjamin W. Zale */
class MidiDriver_CORE : public MidiDriver {
public:
	void destroy();
	int open(int mode);
	void close();
	void send(uint32 b);
	void pause(bool pause);
	void set_stream_callback(void *param, StreamCallback *sc);

private:
	AudioUnit au_MusicDevice;

	StreamCallback *_stream_proc;
	void  *_stream_param;
	int 	 _mode;
};

void MidiDriver_CORE::set_stream_callback(void *param, StreamCallback *sc) {
	_stream_param = param;
	_stream_proc = sc;
}

void MidiDriver_CORE::destroy() {
	close();
	delete this;
}

int MidiDriver_CORE::open(int mode) {
	_mode = mode;
	
	AudioUnit au_output;
	
	int err;
	struct AudioUnitConnection	auconnect;
	ComponentDescription compdesc;
	Component compid;
	
	au_MusicDevice=au_output=NULL;
	
	//Open the Music Device
	compdesc.componentType=kAudioUnitComponentType;
	compdesc.componentSubType=kAudioUnitSubType_MusicDevice;
	compdesc.componentManufacturer=kAudioUnitID_DLSSynth;
	compdesc.componentFlags=0;
	compdesc.componentFlagsMask=0;
	compid=FindNextComponent(NULL,&compdesc);
	au_MusicDevice=(AudioUnit)OpenComponent(compid);
	
	// open the output unit
	au_output=(AudioUnit)OpenDefaultComponent(kAudioUnitComponentType,kAudioUnitSubType_Output);
	// connect the units
	auconnect.sourceAudioUnit=au_MusicDevice;
	auconnect.sourceOutputNumber=0;
	auconnect.destInputNumber=0;
	err=AudioUnitSetProperty(au_output,kAudioUnitProperty_MakeConnection,kAudioUnitScope_Input,0,(void*)&auconnect,sizeof(struct AudioUnitConnection));
	// initialize the units
	AudioUnitInitialize(au_MusicDevice);
	AudioUnitInitialize(au_output);
	// start the output
	AudioOutputUnitStart(au_output);
	
	return 0;
}

void MidiDriver_CORE::close() {
	_mode = 0;
}

void MidiDriver_CORE::send(uint32 b) {
	if (_mode != MO_SIMPLE)
		error("MidiDriver_CORE:send called but driver is not in simple mode");

	unsigned char first_byte, seccond_byte, status_byte;
	status_byte   = (b & 0x000000FF);
	first_byte    = (b & 0x0000FF00) >> 8;
	seccond_byte  = (b & 0x00FF0000) >> 16;
	MusicDeviceMIDIEvent(au_MusicDevice, status_byte, first_byte, seccond_byte, 0);
}

void MidiDriver_CORE::pause(bool pause) {
}

MidiDriver *MidiDriver_CORE_create() {
	return new MidiDriver_CORE();
}

#endif // __APPLE__

/* NULL driver */
class MidiDriver_NULL : public MidiDriver {
public:
	void destroy();
	int open(int mode);
	void close();
	void send(uint32 b);
	void pause(bool pause);
	void set_stream_callback(void *param, StreamCallback *sc);
private:
};

int MidiDriver_NULL::open(int mode) {
	warning("Music not enabled - MIDI support selected with no MIDI driver available. Try Adlib");
	return 0;
}
void MidiDriver_NULL::close() {}
void MidiDriver_NULL::destroy() {}
void MidiDriver_NULL::send(uint32 b) {}
void MidiDriver_NULL::pause(bool pause) {}
void MidiDriver_NULL::set_stream_callback(void *param, StreamCallback *sc) {}

MidiDriver *MidiDriver_NULL_create() {
	return new MidiDriver_NULL();
}



/* Default (empty) property method */
uint32 MidiDriver::property(int prop, uint32 param)
{
	return 0;
}


/* retrieve a string representation of an error code */
const char *MidiDriver::get_error_name(int error_code) {
	static const char * const midi_errors[] = {
		"No error",
		"Cannot connect",
		"Streaming not available",
		"Device not available",
		"Driver already open"
	};
	
	if ((uint)error_code >= ARRAYSIZE(midi_errors))
		return "Unknown Error";
	return midi_errors[error_code];
}






#if 0

/* Old code for timidity support, maybe somebody can rewrite this for the 
   new midi driver system?
 */


/*********** Timidity		*/
int MidiDriver::connect_to_timidity(int port)
{
	int s = 0;
#if !defined(__APPLE__CW) && !defined(__MORPHOS__)	// No socket support on Apple Carbon or Morphos
	struct hostent *serverhost;
	struct sockaddr_in sadd;

	serverhost = gethostbyname("localhost");
	if (serverhost == NULL)
		error("Could not resolve Timidity host ('localhost')");

	sadd.sin_family = serverhost->h_addrtype;
	sadd.sin_port = htons(port);
	memcpy(&(sadd.sin_addr), serverhost->h_addr_list[0], serverhost->h_length);

	s = socket(AF_INET, SOCK_STREAM, 0);
	if (s < 0)
		error("Could not open Timidity socket");

	if (connect(s, (struct sockaddr *)&sadd, sizeof(struct sockaddr_in)) < 0)
		error("Could not connect to Timidity server");
#endif
	return s;
}

void MidiDriver::midiInitTimidity()
{
	int s, s2;
	int len;
	int dummy, newport;
	char buf[256];

	s = connect_to_timidity(7777);
	len = read(s, buf, 256);			// buf[len] = '\0'; printf("%s", buf);
	sprintf(buf, "SETBUF %f %f\n", 0.1, 0.15);
	write(s, buf, strlen(buf));
	len = read(s, buf, 256);			// buf[len] = '\0'; printf("%s", buf); 

	sprintf(buf, "OPEN lsb\n");
	write(s, buf, strlen(buf));
	len = read(s, buf, 256);			// buf[len] = '\0'; printf("%s", buf); 

	sscanf(buf, "%d %d", &dummy, &newport);
	printf("	 => port = %d\n", newport);

	s2 = connect_to_timidity(newport);
	_mo = (void *)s2;
}


#endif /* 0 */