/* 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. * * $Header$ */ /* * EmuMIDI support by Lionel Ulmer copied from * AdPlug (http://adplug.sourceforge.net) * Timidity support by Lionel Ulmer * QuickTime support by Florent Boudet * Raw output support by Michael Pearce * MorphOS support by Ruediger Hanke * Alsa support by Nicolas Noble copied from * both the QuickTime support and (vkeybd http://www.alsa-project.org/~iwai/alsa.html) */ #include "stdafx.h" #include "mididrv.h" #include "fmopl.h" #include "mixer.h" #include "common/engine.h" // for warning/error/debug #include "common/util.h" #if defined(WIN32) && !defined(_WIN32_WCE) /* Windows MIDI driver */ class MidiDriver_WIN : public MidiDriver { public: 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 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 = (ME_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) { union { DWORD dwData; BYTE bData[4]; } u; if (_mode != MO_SIMPLE) error("MidiDriver_WIN:send called but driver is not in simple mode"); u.bData[3] = (byte)((b & 0xFF000000) >> 24); u.bData[2] = (byte)((b & 0x00FF0000) >> 16); u.bData[1] = (byte)((b & 0x0000FF00) >> 8); u.bData[0] = (byte)(b & 0x000000FF); //printMidi(u.bData[0], u.bData[1], u.bData[2], u.bData[3]); check_error(midiOutShortMsg(_mo, u.dwData)); } 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); warning("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 #include #include #include #include #include "morphos_sound.h" /* MorphOS MIDI driver */ class MidiDriver_AMIDI:public MidiDriver { public: 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; } int MidiDriver_AMIDI::open(int mode) { _mode = mode; init_morphos_music(0); return 0; } void MidiDriver_AMIDI::close() { exit_morphos_music(); _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 = READ_LE_UINT32(&b); SendShortMidiMsg(ScummMidiRequest, midi_data); } } 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 class MidiDriver_SEQ:public MidiDriver { public: MidiDriver_SEQ(); 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, _device_num; }; MidiDriver_SEQ::MidiDriver_SEQ() { _mode = 0; device = 0; _device_num = 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"); } if (getenv("SCUMMVM_MIDIPORT")) _device_num = atoi(getenv("SCUMMVM_MIDIPORT")); 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(); } #endif #if defined(__APPLE__) || defined(macintosh) // 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.. #if defined(MACOSX) // On MacOSX, these are in a frameworks! #include #include #else #include #include #endif /* QuickTime MIDI driver */ class MidiDriver_QT:public MidiDriver { public: 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; } int MidiDriver_QT::open(int mode) { ComponentResult qtErr = noErr; int i; qtNoteAllocator = NULL; if (mode == MO_STREAMING) return MERR_STREAMING_NOT_AVAILABLE; _mode = mode; for (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 (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 (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] + 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) { } MidiDriver *MidiDriver_QT_create() { return new MidiDriver_QT(); } #endif // __APPLE__ || macintosh #ifdef __APPLE__ #include /* CoreAudio MIDI driver */ /* Based on code by Benjamin W. Zale */ class MidiDriver_CORE:public MidiDriver { public: MidiDriver_CORE():au_MusicDevice(NULL), au_output(NULL) { } 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; AudioUnit au_output; StreamCallback *_stream_proc; void *_stream_param; int _mode; }; void MidiDriver_CORE::set_stream_callback(void *param, StreamCallback *sc) { _stream_param = param; _stream_proc = sc; } int MidiDriver_CORE::open(int mode) { if (au_output != NULL) return MERR_ALREADY_OPEN; _mode = mode; int err; struct AudioUnitConnection auconnect; ComponentDescription compdesc; Component compid; // 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() { // Stop the output AudioOutputUnitStop(au_output); // Cleanup CloseComponent(au_output); CloseComponent(au_MusicDevice); _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) { } MidiDriver *MidiDriver_CORE_create() { return new MidiDriver_CORE(); } #endif // __APPLE__ /* NULL driver */ class MidiDriver_NULL:public MidiDriver { public: 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::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]; } /* This is the internal emulated MIDI driver using the included OPL2 sound chip * FM instrument definitions below borrowed from the Allegro library by * Phil Hassey, (www.imitationpickles.org) */ static unsigned char midi_fm_instruments_table[128][11] = { /* This set of GM instrument patches was provided by Jorrit Rouwe... */ {0x21, 0x21, 0x8f, 0x0c, 0xf2, 0xf2, 0x45, 0x76, 0x00, 0x00, 0x08}, /* Acoustic Grand */ {0x31, 0x21, 0x4b, 0x09, 0xf2, 0xf2, 0x54, 0x56, 0x00, 0x00, 0x08}, /* Bright Acoustic */ {0x31, 0x21, 0x49, 0x09, 0xf2, 0xf2, 0x55, 0x76, 0x00, 0x00, 0x08}, /* Electric Grand */ {0xb1, 0x61, 0x0e, 0x09, 0xf2, 0xf3, 0x3b, 0x0b, 0x00, 0x00, 0x06}, /* Honky-Tonk */ {0x01, 0x21, 0x57, 0x09, 0xf1, 0xf1, 0x38, 0x28, 0x00, 0x00, 0x00}, /* Electric Piano 1 */ {0x01, 0x21, 0x93, 0x09, 0xf1, 0xf1, 0x38, 0x28, 0x00, 0x00, 0x00}, /* Electric Piano 2 */ {0x21, 0x36, 0x80, 0x17, 0xa2, 0xf1, 0x01, 0xd5, 0x00, 0x00, 0x08}, /* Harpsichord */ {0x01, 0x01, 0x92, 0x09, 0xc2, 0xc2, 0xa8, 0x58, 0x00, 0x00, 0x0a}, /* Clav */ {0x0c, 0x81, 0x5c, 0x09, 0xf6, 0xf3, 0x54, 0xb5, 0x00, 0x00, 0x00}, /* Celesta */ {0x07, 0x11, 0x97, 0x89, 0xf6, 0xf5, 0x32, 0x11, 0x00, 0x00, 0x02}, /* Glockenspiel */ {0x17, 0x01, 0x21, 0x09, 0x56, 0xf6, 0x04, 0x04, 0x00, 0x00, 0x02}, /* Music Box */ {0x18, 0x81, 0x62, 0x09, 0xf3, 0xf2, 0xe6, 0xf6, 0x00, 0x00, 0x00}, /* Vibraphone */ {0x18, 0x21, 0x23, 0x09, 0xf7, 0xe5, 0x55, 0xd8, 0x00, 0x00, 0x00}, /* Marimba */ {0x15, 0x01, 0x91, 0x09, 0xf6, 0xf6, 0xa6, 0xe6, 0x00, 0x00, 0x04}, /* Xylophone */ {0x45, 0x81, 0x59, 0x89, 0xd3, 0xa3, 0x82, 0xe3, 0x00, 0x00, 0x0c}, /* Tubular Bells */ {0x03, 0x81, 0x49, 0x89, 0x74, 0xb3, 0x55, 0x05, 0x01, 0x00, 0x04}, /* Dulcimer */ {0x71, 0x31, 0x92, 0x09, 0xf6, 0xf1, 0x14, 0x07, 0x00, 0x00, 0x02}, /* Drawbar Organ */ {0x72, 0x30, 0x14, 0x09, 0xc7, 0xc7, 0x58, 0x08, 0x00, 0x00, 0x02}, /* Percussive Organ */ {0x70, 0xb1, 0x44, 0x09, 0xaa, 0x8a, 0x18, 0x08, 0x00, 0x00, 0x04}, /* Rock Organ */ {0x23, 0xb1, 0x93, 0x09, 0x97, 0x55, 0x23, 0x14, 0x01, 0x00, 0x04}, /* Church Organ */ {0x61, 0xb1, 0x13, 0x89, 0x97, 0x55, 0x04, 0x04, 0x01, 0x00, 0x00}, /* Reed Organ */ {0x24, 0xb1, 0x48, 0x09, 0x98, 0x46, 0x2a, 0x1a, 0x01, 0x00, 0x0c}, /* Accoridan */ {0x61, 0x21, 0x13, 0x09, 0x91, 0x61, 0x06, 0x07, 0x01, 0x00, 0x0a}, /* Harmonica */ {0x21, 0xa1, 0x13, 0x92, 0x71, 0x61, 0x06, 0x07, 0x00, 0x00, 0x06}, /* Tango Accordian */ {0x02, 0x41, 0x9c, 0x89, 0xf3, 0xf3, 0x94, 0xc8, 0x01, 0x00, 0x0c}, /* Acoustic Guitar(nylon) */ {0x03, 0x11, 0x54, 0x09, 0xf3, 0xf1, 0x9a, 0xe7, 0x01, 0x00, 0x0c}, /* Acoustic Guitar(steel) */ {0x23, 0x21, 0x5f, 0x09, 0xf1, 0xf2, 0x3a, 0xf8, 0x00, 0x00, 0x00}, /* Electric Guitar(jazz) */ {0x03, 0x21, 0x87, 0x89, 0xf6, 0xf3, 0x22, 0xf8, 0x01, 0x00, 0x06}, /* Electric Guitar(clean) */ {0x03, 0x21, 0x47, 0x09, 0xf9, 0xf6, 0x54, 0x3a, 0x00, 0x00, 0x00}, /* Electric Guitar(muted) */ {0x23, 0x21, 0x4a, 0x0e, 0x91, 0x84, 0x41, 0x19, 0x01, 0x00, 0x08}, /* Overdriven Guitar */ {0x23, 0x21, 0x4a, 0x09, 0x95, 0x94, 0x19, 0x19, 0x01, 0x00, 0x08}, /* Distortion Guitar */ {0x09, 0x84, 0xa1, 0x89, 0x20, 0xd1, 0x4f, 0xf8, 0x00, 0x00, 0x08}, /* Guitar Harmonics */ {0x21, 0xa2, 0x1e, 0x09, 0x94, 0xc3, 0x06, 0xa6, 0x00, 0x00, 0x02}, /* Acoustic Bass */ {0x31, 0x31, 0x12, 0x09, 0xf1, 0xf1, 0x28, 0x18, 0x00, 0x00, 0x0a}, /* Electric Bass(finger) */ {0x31, 0x31, 0x8d, 0x09, 0xf1, 0xf1, 0xe8, 0x78, 0x00, 0x00, 0x0a}, /* Electric Bass(pick) */ {0x31, 0x32, 0x5b, 0x09, 0x51, 0x71, 0x28, 0x48, 0x00, 0x00, 0x0c}, /* Fretless Bass */ {0x01, 0x21, 0x8b, 0x49, 0xa1, 0xf2, 0x9a, 0xdf, 0x00, 0x00, 0x08}, /* Slap Bass 1 */ {0x21, 0x21, 0x8b, 0x11, 0xa2, 0xa1, 0x16, 0xdf, 0x00, 0x00, 0x08}, /* Slap Bass 2 */ {0x31, 0x31, 0x8b, 0x09, 0xf4, 0xf1, 0xe8, 0x78, 0x00, 0x00, 0x0a}, /* Synth Bass 1 */ {0x31, 0x31, 0x12, 0x09, 0xf1, 0xf1, 0x28, 0x18, 0x00, 0x00, 0x0a}, /* Synth Bass 2 */ {0x31, 0x21, 0x15, 0x09, 0xdd, 0x56, 0x13, 0x26, 0x01, 0x00, 0x08}, /* Violin */ {0x31, 0x21, 0x16, 0x09, 0xdd, 0x66, 0x13, 0x06, 0x01, 0x00, 0x08}, /* Viola */ {0x71, 0x31, 0x49, 0x09, 0xd1, 0x61, 0x1c, 0x0c, 0x01, 0x00, 0x08}, /* Cello */ {0x21, 0x23, 0x4d, 0x89, 0x71, 0x72, 0x12, 0x06, 0x01, 0x00, 0x02}, /* Contrabass */ {0xf1, 0xe1, 0x40, 0x09, 0xf1, 0x6f, 0x21, 0x16, 0x01, 0x00, 0x02}, /* Tremolo Strings */ {0x02, 0x01, 0x1a, 0x89, 0xf5, 0x85, 0x75, 0x35, 0x01, 0x00, 0x00}, /* Pizzicato Strings */ {0x02, 0x01, 0x1d, 0x89, 0xf5, 0xf3, 0x75, 0xf4, 0x01, 0x00, 0x00}, /* Orchestral Strings */ {0x10, 0x11, 0x41, 0x09, 0xf5, 0xf2, 0x05, 0xc3, 0x01, 0x00, 0x02}, /* Timpani */ {0x21, 0xa2, 0x9b, 0x0a, 0xb1, 0x72, 0x25, 0x08, 0x01, 0x00, 0x0e}, /* String Ensemble 1 */ {0xa1, 0x21, 0x98, 0x09, 0x7f, 0x3f, 0x03, 0x07, 0x01, 0x01, 0x00}, /* String Ensemble 2 */ {0xa1, 0x61, 0x93, 0x09, 0xc1, 0x4f, 0x12, 0x05, 0x00, 0x00, 0x0a}, /* SynthStrings 1 */ {0x21, 0x61, 0x18, 0x09, 0xc1, 0x4f, 0x22, 0x05, 0x00, 0x00, 0x0c}, /* SynthStrings 2 */ {0x31, 0x72, 0x5b, 0x8c, 0xf4, 0x8a, 0x15, 0x05, 0x00, 0x00, 0x00}, /* Choir Aahs */ {0xa1, 0x61, 0x90, 0x09, 0x74, 0x71, 0x39, 0x67, 0x00, 0x00, 0x00}, /* Voice Oohs */ {0x71, 0x72, 0x57, 0x09, 0x54, 0x7a, 0x05, 0x05, 0x00, 0x00, 0x0c}, /* Synth Voice */ {0x90, 0x41, 0x00, 0x09, 0x54, 0xa5, 0x63, 0x45, 0x00, 0x00, 0x08}, /* Orchestra Hit */ {0x21, 0x21, 0x92, 0x0a, 0x85, 0x8f, 0x17, 0x09, 0x00, 0x00, 0x0c}, /* Trumpet */ {0x21, 0x21, 0x94, 0x0e, 0x75, 0x8f, 0x17, 0x09, 0x00, 0x00, 0x0c}, /* Trombone */ {0x21, 0x61, 0x94, 0x09, 0x76, 0x82, 0x15, 0x37, 0x00, 0x00, 0x0c}, /* Tuba */ {0x31, 0x21, 0x43, 0x09, 0x9e, 0x62, 0x17, 0x2c, 0x01, 0x01, 0x02}, /* Muted Trumpet */ {0x21, 0x21, 0x9b, 0x09, 0x61, 0x7f, 0x6a, 0x0a, 0x00, 0x00, 0x02}, /* French Horn */ {0x61, 0x22, 0x8a, 0x0f, 0x75, 0x74, 0x1f, 0x0f, 0x00, 0x00, 0x08}, /* Brass Section */ {0xa1, 0x21, 0x86, 0x8c, 0x72, 0x71, 0x55, 0x18, 0x01, 0x00, 0x00}, /* SynthBrass 1 */ {0x21, 0x21, 0x4d, 0x09, 0x54, 0xa6, 0x3c, 0x1c, 0x00, 0x00, 0x08}, /* SynthBrass 2 */ {0x31, 0x61, 0x8f, 0x09, 0x93, 0x72, 0x02, 0x0b, 0x01, 0x00, 0x08}, /* Soprano Sax */ {0x31, 0x61, 0x8e, 0x09, 0x93, 0x72, 0x03, 0x09, 0x01, 0x00, 0x08}, /* Alto Sax */ {0x31, 0x61, 0x91, 0x09, 0x93, 0x82, 0x03, 0x09, 0x01, 0x00, 0x0a}, /* Tenor Sax */ {0x31, 0x61, 0x8e, 0x09, 0x93, 0x72, 0x0f, 0x0f, 0x01, 0x00, 0x0a}, /* Baritone Sax */ {0x21, 0x21, 0x4b, 0x09, 0xaa, 0x8f, 0x16, 0x0a, 0x01, 0x00, 0x08}, /* Oboe */ {0x31, 0x21, 0x90, 0x09, 0x7e, 0x8b, 0x17, 0x0c, 0x01, 0x01, 0x06}, /* English Horn */ {0x31, 0x32, 0x81, 0x09, 0x75, 0x61, 0x19, 0x19, 0x01, 0x00, 0x00}, /* Bassoon */ {0x32, 0x21, 0x90, 0x09, 0x9b, 0x72, 0x21, 0x17, 0x00, 0x00, 0x04}, /* Clarinet */ {0xe1, 0xe1, 0x1f, 0x09, 0x85, 0x65, 0x5f, 0x1a, 0x00, 0x00, 0x00}, /* Piccolo */ {0xe1, 0xe1, 0x46, 0x09, 0x88, 0x65, 0x5f, 0x1a, 0x00, 0x00, 0x00}, /* Flute */ {0xa1, 0x21, 0x9c, 0x09, 0x75, 0x75, 0x1f, 0x0a, 0x00, 0x00, 0x02}, /* Recorder */ {0x31, 0x21, 0x8b, 0x09, 0x84, 0x65, 0x58, 0x1a, 0x00, 0x00, 0x00}, /* Pan Flute */ {0xe1, 0xa1, 0x4c, 0x09, 0x66, 0x65, 0x56, 0x26, 0x00, 0x00, 0x00}, /* Blown Bottle */ {0x62, 0xa1, 0xcb, 0x09, 0x76, 0x55, 0x46, 0x36, 0x00, 0x00, 0x00}, /* Skakuhachi */ {0x62, 0xa1, 0xa2, 0x09, 0x57, 0x56, 0x07, 0x07, 0x00, 0x00, 0x0b}, /* Whistle */ {0x62, 0xa1, 0x9c, 0x09, 0x77, 0x76, 0x07, 0x07, 0x00, 0x00, 0x0b}, /* Ocarina */ {0x22, 0x21, 0x59, 0x09, 0xff, 0xff, 0x03, 0x0f, 0x02, 0x00, 0x00}, /* Lead 1 (square) */ {0x21, 0x21, 0x0e, 0x09, 0xff, 0xff, 0x0f, 0x0f, 0x01, 0x01, 0x00}, /* Lead 2 (sawtooth) */ {0x22, 0x21, 0x46, 0x89, 0x86, 0x64, 0x55, 0x18, 0x00, 0x00, 0x00}, /* Lead 3 (calliope) */ {0x21, 0xa1, 0x45, 0x09, 0x66, 0x96, 0x12, 0x0a, 0x00, 0x00, 0x00}, /* Lead 4 (chiff) */ {0x21, 0x22, 0x8b, 0x09, 0x92, 0x91, 0x2a, 0x2a, 0x01, 0x00, 0x00}, /* Lead 5 (charang) */ {0xa2, 0x61, 0x9e, 0x49, 0xdf, 0x6f, 0x05, 0x07, 0x00, 0x00, 0x02}, /* Lead 6 (voice) */ {0x20, 0x60, 0x1a, 0x09, 0xef, 0x8f, 0x01, 0x06, 0x00, 0x02, 0x00}, /* Lead 7 (fifths) */ {0x21, 0x21, 0x8f, 0x86, 0xf1, 0xf4, 0x29, 0x09, 0x00, 0x00, 0x0a}, /* Lead 8 (bass+lead) */ {0x77, 0xa1, 0xa5, 0x09, 0x53, 0xa0, 0x94, 0x05, 0x00, 0x00, 0x02}, /* Pad 1 (new age) */ {0x61, 0xb1, 0x1f, 0x89, 0xa8, 0x25, 0x11, 0x03, 0x00, 0x00, 0x0a}, /* Pad 2 (warm) */ {0x61, 0x61, 0x17, 0x09, 0x91, 0x55, 0x34, 0x16, 0x00, 0x00, 0x0c}, /* Pad 3 (polysynth) */ {0x71, 0x72, 0x5d, 0x09, 0x54, 0x6a, 0x01, 0x03, 0x00, 0x00, 0x00}, /* Pad 4 (choir) */ {0x21, 0xa2, 0x97, 0x09, 0x21, 0x42, 0x43, 0x35, 0x00, 0x00, 0x08}, /* Pad 5 (bowed) */ {0xa1, 0x21, 0x1c, 0x09, 0xa1, 0x31, 0x77, 0x47, 0x01, 0x01, 0x00}, /* Pad 6 (metallic) */ {0x21, 0x61, 0x89, 0x0c, 0x11, 0x42, 0x33, 0x25, 0x00, 0x00, 0x0a}, /* Pad 7 (halo) */ {0xa1, 0x21, 0x15, 0x09, 0x11, 0xcf, 0x47, 0x07, 0x01, 0x00, 0x00}, /* Pad 8 (sweep) */ {0x3a, 0x51, 0xce, 0x09, 0xf8, 0x86, 0xf6, 0x02, 0x00, 0x00, 0x02}, /* FX 1 (rain) */ {0x21, 0x21, 0x15, 0x09, 0x21, 0x41, 0x23, 0x13, 0x01, 0x00, 0x00}, /* FX 2 (soundtrack) */ {0x06, 0x01, 0x5b, 0x09, 0x74, 0xa5, 0x95, 0x72, 0x00, 0x00, 0x00}, /* FX 3 (crystal) */ {0x22, 0x61, 0x92, 0x8c, 0xb1, 0xf2, 0x81, 0x26, 0x00, 0x00, 0x0c}, /* FX 4 (atmosphere) */ {0x41, 0x42, 0x4d, 0x09, 0xf1, 0xf2, 0x51, 0xf5, 0x01, 0x00, 0x00}, /* FX 5 (brightness) */ {0x61, 0xa3, 0x94, 0x89, 0x11, 0x11, 0x51, 0x13, 0x01, 0x00, 0x06}, /* FX 6 (goblins) */ {0x61, 0xa1, 0x8c, 0x89, 0x11, 0x1d, 0x31, 0x03, 0x00, 0x00, 0x06}, /* FX 7 (echoes) */ {0xa4, 0x61, 0x4c, 0x09, 0xf3, 0x81, 0x73, 0x23, 0x01, 0x00, 0x04}, /* FX 8 (sci-fi) */ {0x02, 0x07, 0x85, 0x0c, 0xd2, 0xf2, 0x53, 0xf6, 0x00, 0x01, 0x00}, /* Sitar */ {0x11, 0x13, 0x0c, 0x89, 0xa3, 0xa2, 0x11, 0xe5, 0x01, 0x00, 0x00}, /* Banjo */ {0x11, 0x11, 0x06, 0x09, 0xf6, 0xf2, 0x41, 0xe6, 0x01, 0x02, 0x04}, /* Shamisen */ {0x93, 0x91, 0x91, 0x09, 0xd4, 0xeb, 0x32, 0x11, 0x00, 0x01, 0x08}, /* Koto */ {0x04, 0x01, 0x4f, 0x09, 0xfa, 0xc2, 0x56, 0x05, 0x00, 0x00, 0x0c}, /* Kalimba */ {0x21, 0x22, 0x49, 0x09, 0x7c, 0x6f, 0x20, 0x0c, 0x00, 0x01, 0x06}, /* Bagpipe */ {0x31, 0x21, 0x85, 0x09, 0xdd, 0x56, 0x33, 0x16, 0x01, 0x00, 0x0a}, /* Fiddle */ {0x20, 0x21, 0x04, 0x8a, 0xda, 0x8f, 0x05, 0x0b, 0x02, 0x00, 0x06}, /* Shanai */ {0x05, 0x03, 0x6a, 0x89, 0xf1, 0xc3, 0xe5, 0xe5, 0x00, 0x00, 0x06}, /* Tinkle Bell */ {0x07, 0x02, 0x15, 0x09, 0xec, 0xf8, 0x26, 0x16, 0x00, 0x00, 0x0a}, /* Agogo */ {0x05, 0x01, 0x9d, 0x09, 0x67, 0xdf, 0x35, 0x05, 0x00, 0x00, 0x08}, /* Steel Drums */ {0x18, 0x12, 0x96, 0x09, 0xfa, 0xf8, 0x28, 0xe5, 0x00, 0x00, 0x0a}, /* Woodblock */ {0x10, 0x00, 0x86, 0x0c, 0xa8, 0xfa, 0x07, 0x03, 0x00, 0x00, 0x06}, /* Taiko Drum */ {0x11, 0x10, 0x41, 0x0c, 0xf8, 0xf3, 0x47, 0x03, 0x02, 0x00, 0x04}, /* Melodic Tom */ {0x01, 0x10, 0x8e, 0x09, 0xf1, 0xf3, 0x06, 0x02, 0x02, 0x00, 0x0e}, /* Synth Drum */ {0x0e, 0xc0, 0x00, 0x09, 0x1f, 0x1f, 0x00, 0xff, 0x00, 0x03, 0x0e}, /* Reverse Cymbal */ {0x06, 0x03, 0x80, 0x91, 0xf8, 0x56, 0x24, 0x84, 0x00, 0x02, 0x0e}, /* Guitar Fret Noise */ {0x0e, 0xd0, 0x00, 0x0e, 0xf8, 0x34, 0x00, 0x04, 0x00, 0x03, 0x0e}, /* Breath Noise */ {0x0e, 0xc0, 0x00, 0x09, 0xf6, 0x1f, 0x00, 0x02, 0x00, 0x03, 0x0e}, /* Seashore */ {0xd5, 0xda, 0x95, 0x49, 0x37, 0x56, 0xa3, 0x37, 0x00, 0x00, 0x00}, /* Bird Tweet */ {0x35, 0x14, 0x5c, 0x11, 0xb2, 0xf4, 0x61, 0x15, 0x02, 0x00, 0x0a}, /* Telephone ring */ {0x0e, 0xd0, 0x00, 0x09, 0xf6, 0x4f, 0x00, 0xf5, 0x00, 0x03, 0x0e}, /* Helicopter */ {0x26, 0xe4, 0x00, 0x09, 0xff, 0x12, 0x01, 0x16, 0x00, 0x01, 0x0e}, /* Applause */ {0x00, 0x00, 0x00, 0x09, 0xf3, 0xf6, 0xf0, 0xc9, 0x00, 0x02, 0x0e} /* Gunshot */ }; /* logarithmic relationship between midi and FM volumes */ static int my_midi_fm_vol_table[128] = { 0, 11, 16, 19, 22, 25, 27, 29, 32, 33, 35, 37, 39, 40, 42, 43, 45, 46, 48, 49, 50, 51, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 64, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 75, 76, 77, 78, 79, 80, 80, 81, 82, 83, 83, 84, 85, 86, 86, 87, 88, 89, 89, 90, 91, 91, 92, 93, 93, 94, 95, 96, 96, 97, 97, 98, 99, 99, 100, 101, 101, 102, 103, 103, 104, 104, 105, 106, 106, 107, 107, 108, 109, 109, 110, 110, 111, 112, 112, 113, 113, 114, 114, 115, 115, 116, 117, 117, 118, 118, 119, 119, 120, 120, 121, 121, 122, 122, 123, 123, 124, 124, 125, 125, 126, 126, 127 }; class MidiDriver_MIDIEMU:public MidiDriver { public: MidiDriver_MIDIEMU(); int open(int mode); void close(); void send(uint32 b); void pause(bool pause); void set_stream_callback(void *param, StreamCallback *sc); static int midiemu_callback_thread(void *param); private: struct midi_channel { int inum; unsigned char ins[11]; int vol; int nshift; int on; int pitchbend; }; enum { ADLIB_MELODIC = 0, ADLIB_RYTHM = 1 }; void generate_samples(int16 *buf, uint len); static void premix_proc(void *param, int16 *buf, unsigned int len); void midi_write_adlib(unsigned int reg, unsigned char val); void midi_fm_instrument(int voice, unsigned char *inst); void midi_fm_volume(int voice, int volume); void midi_fm_playnote(int voice, int note, int volume, int pitchbend); void midi_fm_endnote(int voice); unsigned char adlib_data[256]; int adlib_style; int adlib_mode; StreamCallback *_stream_proc; void *_stream_param; int _mode; int chp[9][3]; unsigned char myinsbank[128][11]; FM_OPL *_opl; midi_channel ch[16]; }; static unsigned char adlib_opadd[] = { 0x00, 0x01, 0x02, 0x08, 0x09, 0x0A, 0x10, 0x11, 0x12 }; MidiDriver_MIDIEMU::MidiDriver_MIDIEMU() { int i, j; _mode = 0; for (i = 0; i < 128; i++) for (j = 0; j < 11; j++) myinsbank[i][j] = midi_fm_instruments_table[i][j]; for (i = 0; i < 16; i++) { ch[i].inum = 0; for (j = 0; j < 11; j++) ch[i].ins[j] = myinsbank[ch[i].inum][j]; ch[i].vol = 127; ch[i].nshift = -25; ch[i].on = 1; ch[i].pitchbend = 0x2000; } /* General init */ for (i = 0; i < 9; i++) { chp[i][0] = -1; chp[i][2] = 0; } adlib_mode = ADLIB_MELODIC; } int MidiDriver_MIDIEMU::open(int mode) { _opl = OPLCreate(OPL_TYPE_YM3812, 3579545, g_system->property(OSystem::PROP_GET_SAMPLE_RATE, 0)); g_mixer->setupPremix((void *)this, premix_proc); if (_stream_proc) g_system->create_thread(midiemu_callback_thread, this); return 0; } void MidiDriver_MIDIEMU::close() { _mode = 0; } void MidiDriver_MIDIEMU::generate_samples(int16 *data, uint len) { if (!_opl) { memset(data, 0, len * sizeof(*data)); } else { YM3812UpdateOne(_opl, data, len); } } void MidiDriver_MIDIEMU::premix_proc(void *param, int16 *buf, unsigned int len) { ((MidiDriver_MIDIEMU *) param)->generate_samples(buf, len); } void MidiDriver_MIDIEMU::send(uint32 b) { unsigned char channel = (char)(b & 0x0F); switch (b & 0xF0) { case 0x80:{ /*note off */ unsigned char note = (unsigned char)((b >> 8) & 0x7F); for (int i = 0; i < 9; i++) if ((chp[i][0] == channel) && (chp[i][1] == note)) { midi_fm_endnote(i); chp[i][0] = -1; } } break; case 0x90:{ /*note on */ unsigned char note = (unsigned char)((b >> 8) & 0x7F); unsigned char vel = (unsigned char)((b >> 16) & 0x7F); int i, j; int onl, on, nv = 0; unsigned char ins[11]; on = -1; if (ch[channel].on != 0) { for (i = 0; i < 9; i++) chp[i][2]++; j = 0; onl = 0; for (i = 0; i < 9; i++) if ((chp[i][0] == -1) && (chp[i][2] > onl)) { onl = chp[i][2]; on = i; j = 1; } if (on == -1) { onl = 0; for (i = 0; i < 9; i++) if (chp[i][2] > onl) { onl = chp[i][2]; on = i; } } if (j == 0) midi_fm_endnote(on); if ((vel != 0) && (ch[channel].inum >= 0) && (ch[channel].inum < 128)) { if ((adlib_mode == ADLIB_MELODIC) || (channel < 12)) midi_fm_instrument(on, ch[channel].ins); else { //the following fails to be effective //at doing rythm sounds .. (cmf blah) ins[0] = ins[1] = ch[channel].ins[0]; ins[2] = ins[3] = ch[channel].ins[2]; ins[4] = ins[5] = ch[channel].ins[4]; ins[6] = ins[7] = ch[channel].ins[6]; ins[8] = ins[9] = ch[channel].ins[8]; ins[10] = (ch[channel].ins[10] | 1); midi_fm_instrument(on, ins); } nv = (ch[channel].vol * vel) / 128; #ifdef LUCAS_MODE nv *= 2; #endif if (nv > 127) nv = 127; nv = my_midi_fm_vol_table[nv]; #ifdef LUCAS_MODE nv = (int)((double)sqrt((double)nv) * 11); /* TO CHANGE !!! */ #endif } midi_fm_playnote(on, note + ch[channel].nshift, nv * 2, ch[channel].pitchbend); chp[on][0] = channel; chp[on][1] = note; chp[on][2] = 0; } else { if (vel == 0) { //same code as end note for (i = 0; i < 9; i++) if ((chp[i][0] == channel) && (chp[i][1] == note)) { // midi_fm_volume(i,0); // really end the note midi_fm_endnote(i); chp[i][0] = -1; } } else { // i forget what this is for. chp[on][0] = -1; chp[on][2] = 0; } } } break; case 0xa0:{ /*key after touch */ unsigned char note = (unsigned char)((b >> 8) & 0x7F); unsigned char vel = (unsigned char)((b >> 16) & 0x7F); for (int i = 0; i < 9; i++) if ((chp[i][0] == channel) & (chp[i][1] == note)) { int nv = (ch[channel].vol * vel) / 128; if (nv > 127) nv = 127; nv = my_midi_fm_vol_table[nv]; midi_fm_volume(i, nv * 2); } } break; case 0xb0:{ /* control change */ int i; unsigned char ctrl = (unsigned char)((b >> 8) & 0x7F); unsigned char vel = (unsigned char)((b >> 16) & 0x7F); /* FIXME: Except for Volume, the Modulation and Sustain code is just a random guess. */ switch (ctrl) { case 0x01: /* Modulation */ for (i = 0; i < 9; i++) if (chp[i][0] == channel) midi_write_adlib(0x20 + adlib_opadd[i], vel); break; case 0x07: /* Volume */ ch[channel].vol = vel; break; case 0x0A: /* Pan */ /* This is not a warning as we do not support OPL3 => no stereo anyway debug(1, "MIDI sub-command 0xB0 (Control Change) case %02X (Pan) not handled in MIDIEMU driver.", ctrl); */ break; case 0x40: /* Sustain on/off */ for (i = 0; i < 9; i++) if (chp[i][0] == channel) midi_write_adlib(0x80 + adlib_opadd[i], vel); break; case 0x5B: /* Extended depth effect */ debug(1, "MIDI sub-command 0xB0 (Control Change) case %02X (Extended Depth) not handled in MIDIEMU driver.", ctrl); break; case 0x5D: /* Chorus depth */ debug(1, "MIDI sub-command 0xB0 (Control Change) case %02X (Chorus Depth) not handled in MIDIEMU driver.", ctrl); break; case 0x7B: /* All notes off */ for (i = 0; i < 9; i++) { if (chp[i][0] == channel) { midi_fm_endnote(i); chp[i][0] = -1; } } break; default: debug(1, "MIDI sub-command 0xB0 (Control Change) case %02X not handled in MIDIEMU driver.", ctrl); break; } } break; case 0xc0:{ /* patch change */ unsigned char instrument = (unsigned char)((b >> 8) & 0x7F); ch[channel].inum = instrument; for (int j = 0; j < 11; j++) ch[channel].ins[j] = myinsbank[ch[channel].inum][j]; } break; case 0xd0: /* channel touch */ debug(1, "MIDI command 0xD0 (Channel Touch) not handled in MIDIEMU driver."); break; case 0xe0:{ /* pitch wheel */ int pitchbend = ((b >> 8) & 0x7F) | (((b >> 16) & 0x7F) << 7); ch[channel].pitchbend = pitchbend; for (int i = 0; i < 9; i++) { if (chp[i][0] == channel) { int nv = ch[channel].vol; if (nv > 127) nv = 127; nv = my_midi_fm_vol_table[nv]; midi_fm_playnote(i, chp[i][1] + ch[channel].nshift, nv * 2, pitchbend); } } } break; default: fprintf(stderr, "Unknown : %08x\n", (int)b); break; } } void MidiDriver_MIDIEMU::pause(bool pause) { if (_mode == MO_STREAMING) { } } #define NUMBER_MIDI_EVENTS 64 int MidiDriver_MIDIEMU::midiemu_callback_thread(void *param) { MidiDriver_MIDIEMU *driver = (MidiDriver_MIDIEMU *) param; MidiEvent my_evs[NUMBER_MIDI_EVENTS]; bool need_midi_data = true; for (;;) { int number = 0; int i; if (need_midi_data) { number = driver->_stream_proc(driver->_stream_param, my_evs, NUMBER_MIDI_EVENTS); if (!number) { // No MIDI data available for the moment g_system->delay_msecs(10); continue; } need_midi_data = false; } for (i = 0; i < number; i++) { uint32 event; event = my_evs[i].event; if ((event >> 24) == ME_TEMPO) { event = (ME_TEMPO << 24) | (event & 0xFFFFFF); } driver->send(event); if (my_evs[i].delta) { g_system->delay_msecs(my_evs[i].delta); } } need_midi_data = true; } return 0; } void MidiDriver_MIDIEMU::set_stream_callback(void *param, StreamCallback *sc) { _stream_param = param; _stream_proc = sc; } MidiDriver *MidiDriver_MIDIEMU_create() { return new MidiDriver_MIDIEMU(); } void MidiDriver_MIDIEMU::midi_write_adlib(unsigned int reg, unsigned char val) { OPLWrite(_opl, 0, reg); OPLWrite(_opl, 1, val); adlib_data[reg] = val; } void MidiDriver_MIDIEMU::midi_fm_instrument(int voice, unsigned char *inst) { #if 0 /* Just gotta make sure this happens because who knows when it'll be reset otherwise.... */ midi_write_adlib(0xbd, 0); #endif midi_write_adlib(0x20 + adlib_opadd[voice], inst[0]); midi_write_adlib(0x23 + adlib_opadd[voice], inst[1]); #ifdef LUCAS_MODE midi_write_adlib(0x43 + adlib_opadd[voice], 0x3f); if ((inst[10] & 1) == 0) midi_write_adlib(0x40 + adlib_opadd[voice], inst[2]); else midi_write_adlib(0x40 + adlib_opadd[voice], 0x3f); #else midi_write_adlib(0x40 + adlib_opadd[voice], inst[2]); if ((inst[10] & 1) == 0) midi_write_adlib(0x43 + adlib_opadd[voice], inst[3]); else midi_write_adlib(0x43 + adlib_opadd[voice], 0); #endif midi_write_adlib(0x60 + adlib_opadd[voice], inst[4]); midi_write_adlib(0x63 + adlib_opadd[voice], inst[5]); midi_write_adlib(0x80 + adlib_opadd[voice], inst[6]); midi_write_adlib(0x83 + adlib_opadd[voice], inst[7]); midi_write_adlib(0xe0 + adlib_opadd[voice], inst[8]); midi_write_adlib(0xe3 + adlib_opadd[voice], inst[9]); midi_write_adlib(0xc0 + voice, inst[10]); } void MidiDriver_MIDIEMU::midi_fm_volume(int voice, int volume) { volume >>= 2; if ((adlib_data[0xc0 + voice] & 1) == 1) midi_write_adlib(0x40 + adlib_opadd[voice], (unsigned char)((63 - volume) | (adlib_data[0x40 + adlib_opadd[voice]] & 0xc0))); midi_write_adlib(0x43 + adlib_opadd[voice], (unsigned char)((63 - volume) | (adlib_data[0x43 + adlib_opadd[voice]] & 0xc0))); } static int fnums[] = { 0x16b, 0x181, 0x198, 0x1b0, 0x1ca, 0x1e5, 0x202, 0x220, 0x241, 0x263, 0x287, 0x2ae }; /* These tables 'borrowed' from Timidity tables.c Copyright (C) 1999-2001 Masanao Izumo Copyright (C) 1995 Tuukka Toivonen */ double bend_fine[256] = { 1.0, 1.0002256593050698, 1.0004513695322617, 1.0006771306930664, 1.0009029427989777, 1.0011288058614922, 1.0013547198921082, 1.0015806849023274, 1.0018067009036538, 1.002032767907594, 1.0022588859256572, 1.0024850549693551, 1.0027112750502025, 1.0029375461797159, 1.0031638683694153, 1.0033902416308227, 1.0036166659754628, 1.0038431414148634, 1.0040696679605541, 1.0042962456240678, 1.0045228744169397, 1.0047495543507072, 1.0049762854369111, 1.0052030676870944, 1.0054299011128027, 1.0056567857255843, 1.00588372153699, 1.006110708558573, 1.0063377468018897, 1.0065648362784985, 1.0067919769999607, 1.0070191689778405, 1.0072464122237039, 1.0074737067491204, 1.0077010525656616, 1.0079284496849015, 1.0081558981184175, 1.008383397877789, 1.008610948974598, 1.0088385514204294, 1.0090662052268706, 1.0092939104055114, 1.0095216669679448, 1.0097494749257656, 1.009977334290572, 1.0102052450739643, 1.0104332072875455, 1.0106612209429215, 1.0108892860517005, 1.0111174026254934, 1.0113455706759138, 1.0115737902145781, 1.0118020612531047, 1.0120303838031153, 1.0122587578762337, 1.012487183484087, 1.0127156606383041, 1.0129441893505169, 1.0131727696323602, 1.0134014014954713, 1.0136300849514894, 1.0138588200120575, 1.0140876066888203, 1.0143164449934257, 1.0145453349375237, 1.0147742765327674, 1.0150032697908125, 1.0152323147233171, 1.015461411341942, 1.0156905596583505, 1.0159197596842091, 1.0161490114311862, 1.0163783149109531, 1.0166076701351838, 1.0168370771155553, 1.0170665358637463, 1.0172960463914391, 1.0175256087103179, 1.0177552228320703, 1.0179848887683858, 1.0182146065309567, 1.0184443761314785, 1.0186741975816487, 1.0189040708931674, 1.0191339960777379, 1.0193639731470658, 1.0195940021128593, 1.0198240829868295, 1.0200542157806898, 1.0202844005061564, 1.0205146371749483, 1.0207449257987866, 1.0209752663893958, 1.0212056589585028, 1.0214361035178368, 1.0216666000791297, 1.0218971486541166, 1.0221277492545349, 1.0223584018921241, 1.0225891065786274, 1.0228198633257899, 1.0230506721453596, 1.023281533049087, 1.0235124460487257, 1.0237434111560313, 1.0239744283827625, 1.0242054977406807, 1.0244366192415495, 1.0246677928971357, 1.0248990187192082, 1.025130296719539, 1.0253616269099028, 1.0255930093020766, 1.0258244439078401, 1.0260559307389761, 1.0262874698072693, 1.0265190611245079, 1.0267507047024822, 1.0269824005529853, 1.027214148687813, 1.0274459491187637, 1.0276778018576387, 1.0279097069162415, 1.0281416643063788, 1.0283736740398595, 1.0286057361284953, 1.0288378505841009, 1.0290700174184932, 1.0293022366434921, 1.0295345082709197, 1.0297668323126017, 1.0299992087803651, 1.030231637686041, 1.0304641190414621, 1.0306966528584645, 1.0309292391488862, 1.0311618779245688, 1.0313945691973556, 1.0316273129790936, 1.0318601092816313, 1.0320929581168212, 1.0323258594965172, 1.0325588134325767, 1.0327918199368598, 1.0330248790212284, 1.0332579906975481, 1.0334911549776868, 1.033724371873515, 1.0339576413969056, 1.0341909635597348, 1.0344243383738811, 1.0346577658512259, 1.034891246003653, 1.0351247788430489, 1.0353583643813031, 1.0355920026303078, 1.0358256936019572, 1.0360594373081489, 1.0362932337607829, 1.0365270829717617, 1.0367609849529913, 1.0369949397163791, 1.0372289472738365, 1.0374630076372766, 1.0376971208186156, 1.0379312868297725, 1.0381655056826686, 1.0383997773892284, 1.0386341019613787, 1.0388684794110492, 1.0391029097501721, 1.0393373929906822, 1.0395719291445176, 1.0398065182236185, 1.0400411602399278, 1.0402758552053915, 1.0405106031319582, 1.0407454040315787, 1.0409802579162071, 1.0412151647977996, 1.0414501246883161, 1.0416851375997183, 1.0419202035439705, 1.0421553225330404, 1.042390494578898, 1.042625719693516, 1.0428609978888699, 1.043096329176938, 1.0433317135697009, 1.0435671510791424, 1.0438026417172486, 1.0440381854960086, 1.0442737824274138, 1.044509432523459, 1.044745135796141, 1.0449808922574599, 1.0452167019194181, 1.0454525647940205, 1.0456884808932754, 1.0459244502291931, 1.0461604728137874, 1.0463965486590741, 1.046632677777072, 1.0468688601798024, 1.0471050958792898, 1.047341384887561, 1.0475777272166455, 1.047814122878576, 1.048050571885387, 1.0482870742491166, 1.0485236299818055, 1.0487602390954964, 1.0489969016022356, 1.0492336175140715, 1.0494703868430555, 1.0497072096012419, 1.0499440858006872, 1.0501810154534512, 1.050417998571596, 1.0506550351671864, 1.0508921252522903, 1.0511292688389782, 1.0513664659393229, 1.0516037165654004, 1.0518410207292894, 1.0520783784430709, 1.0523157897188296, 1.0525532545686513, 1.0527907730046264, 1.0530283450388465, 1.0532659706834067, 1.0535036499504049, 1.0537413828519411, 1.0539791694001188, 1.0542170096070436, 1.0544549034848243, 1.0546928510455722, 1.0549308523014012, 1.0551689072644284, 1.0554070159467728, 1.0556451783605572, 1.0558833945179062, 1.0561216644309479, 1.0563599881118126, 1.0565983655726334, 1.0568367968255465, 1.0570752818826903, 1.0573138207562065, 1.057552413458239, 1.0577910600009348, 1.0580297603964437, 1.058268514656918, 1.0585073227945128, 1.0587461848213857, 1.058985100749698, 1.0592240705916123 }; double bend_coarse[128] = { 1.0, 1.0594630943592953, 1.122462048309373, 1.189207115002721, 1.2599210498948732, 1.3348398541700344, 1.4142135623730951, 1.4983070768766815, 1.5874010519681994, 1.681792830507429, 1.7817974362806785, 1.8877486253633868, 2.0, 2.1189261887185906, 2.244924096618746, 2.3784142300054421, 2.5198420997897464, 2.6696797083400687, 2.8284271247461903, 2.996614153753363, 3.1748021039363992, 3.363585661014858, 3.5635948725613571, 3.7754972507267741, 4.0, 4.2378523774371812, 4.4898481932374912, 4.7568284600108841, 5.0396841995794928, 5.3393594166801366, 5.6568542494923806, 5.993228307506727, 6.3496042078727974, 6.727171322029716, 7.1271897451227151, 7.5509945014535473, 8.0, 8.4757047548743625, 8.9796963864749824, 9.5136569200217682, 10.079368399158986, 10.678718833360273, 11.313708498984761, 11.986456615013454, 12.699208415745595, 13.454342644059432, 14.25437949024543, 15.101989002907095, 16.0, 16.951409509748721, 17.959392772949972, 19.027313840043536, 20.158736798317967, 21.357437666720553, 22.627416997969522, 23.972913230026901, 25.398416831491197, 26.908685288118864, 28.508758980490853, 30.203978005814196, 32.0, 33.902819019497443, 35.918785545899944, 38.054627680087073, 40.317473596635935, 42.714875333441107, 45.254833995939045, 47.945826460053802, 50.796833662982394, 53.817370576237728, 57.017517960981706, 60.407956011628393, 64.0, 67.805638038994886, 71.837571091799887, 76.109255360174146, 80.63494719327187, 85.429750666882214, 90.509667991878089, 95.891652920107603, 101.59366732596479, 107.63474115247546, 114.03503592196341, 120.81591202325679, 128.0, 135.61127607798977, 143.67514218359977, 152.21851072034829, 161.26989438654374, 170.85950133376443, 181.01933598375618, 191.78330584021521, 203.18733465192958, 215.26948230495091, 228.07007184392683, 241.63182404651357, 256.0, 271.22255215597971, 287.35028436719938, 304.43702144069658, 322.53978877308765, 341.71900266752868, 362.03867196751236, 383.56661168043064, 406.37466930385892, 430.53896460990183, 456.14014368785394, 483.26364809302686, 512.0, 542.44510431195943, 574.70056873439876, 608.87404288139317, 645.0795775461753, 683.43800533505737, 724.07734393502471, 767.13322336086128, 812.74933860771785, 861.07792921980365, 912.28028737570787, 966.52729618605372, 1024.0, 1084.8902086239189, 1149.4011374687975, 1217.7480857627863, 1290.1591550923506, 1366.8760106701147, 1448.1546878700494, 1534.2664467217226 }; void MidiDriver_MIDIEMU::midi_fm_playnote(int voice, int note, int volume, int pitchbend) { int freq = fnums[note % 12]; int oct = note / 12; int c; float pf; pitchbend -= 0x2000; if (pitchbend != 0) { pitchbend *= 2; if (pitchbend >= 0) pf = (float)(bend_fine[(pitchbend >> 5) & 0xFF] * bend_coarse[(pitchbend >> 13) & 0x7F]); else { pitchbend = -pitchbend; pf = (float)(1.0 / (bend_fine[(pitchbend >> 5) & 0xFF] * bend_coarse[(pitchbend >> 13) & 0x7F])); } freq = (int)((float)freq * pf); while (freq >= (fnums[0] * 2)) { freq /= 2; oct += 1; } while (freq < fnums[0]) { freq *= 2; oct -= 1; } } midi_fm_volume(voice, volume); midi_write_adlib(0xa0 + voice, (unsigned char)(freq & 0xff)); c = ((freq & 0x300) >> 8) + (oct << 2) + (1 << 5); midi_write_adlib(0xb0 + voice, (unsigned char)c); } void MidiDriver_MIDIEMU::midi_fm_endnote(int voice) { midi_write_adlib(0xb0 + voice, (unsigned char)(adlib_data[0xb0 + voice] & (255 - 32))); } #if defined(UNIX) && defined(USE_ALSA) #include /* * ALSA sequencer driver * Mostly cut'n'pasted from Virtual Tiny Keyboard (vkeybd) by Takashi Iwai * (you really rox, you know?) */ #if SND_LIB_MINOR >= 6 #define snd_seq_flush_output(x) snd_seq_drain_output(x) #define snd_seq_set_client_group(x,name) /*nop */ #define my_snd_seq_open(seqp) snd_seq_open(seqp, "hw", SND_SEQ_OPEN_OUTPUT, 0) #else /* SND_SEQ_OPEN_OUT causes oops on early version of ALSA */ #define my_snd_seq_open(seqp) snd_seq_open(seqp, SND_SEQ_OPEN) #endif /* * parse address string */ #define ADDR_DELIM ".:" class MidiDriver_ALSA:public MidiDriver { public: MidiDriver_ALSA(); int open(int mode); void close(); void send(uint32 b); void pause(bool pause); void set_stream_callback(void *param, StreamCallback *sc); private: void send_event(int do_flush); snd_seq_event_t ev; StreamCallback *_stream_proc; void *_stream_param; int _mode; snd_seq_t *seq_handle; int seq_client, seq_port; int my_client, my_port; static int parse_addr(char *arg, int *client, int *port); }; MidiDriver_ALSA::MidiDriver_ALSA():_mode(0), seq_handle(0), seq_client(0), seq_port(0), my_client(0), my_port(0) { } int MidiDriver_ALSA::parse_addr(char *arg, int *client, int *port) { char *p; if (isdigit(*arg)) { if ((p = strpbrk(arg, ADDR_DELIM)) == NULL) return -1; *client = atoi(arg); *port = atoi(p + 1); } else { if (*arg == 's' || *arg == 'S') { *client = SND_SEQ_ADDRESS_SUBSCRIBERS; *port = 0; } else return -1; } return 0; } void MidiDriver_ALSA::send_event(int do_flush) { snd_seq_ev_set_direct(&ev); snd_seq_ev_set_source(&ev, my_port); snd_seq_ev_set_dest(&ev, seq_client, seq_port); snd_seq_event_output(seq_handle, &ev); if (do_flush) snd_seq_flush_output(seq_handle); } int MidiDriver_ALSA::open(int mode) { char *var; unsigned int caps; if (_mode != 0) return MERR_ALREADY_OPEN; _mode = mode; if (mode != MO_SIMPLE) return MERR_STREAMING_NOT_AVAILABLE; if (!(var = getenv("SCUMMVM_PORT"))) { error("You have to define the environnement variable SCUMMVM_PORT"); return -1; } if (parse_addr(var, &seq_client, &seq_port) < 0) { error("Invalid port %s", var); return -1; } if (my_snd_seq_open(&seq_handle)) { error("Can't open sequencer"); return -1; } my_client = snd_seq_client_id(seq_handle); snd_seq_set_client_name(seq_handle, "SCUMMVM"); snd_seq_set_client_group(seq_handle, "input"); caps = SND_SEQ_PORT_CAP_READ; if (seq_client == SND_SEQ_ADDRESS_SUBSCRIBERS) caps = ~SND_SEQ_PORT_CAP_SUBS_READ; my_port = snd_seq_create_simple_port(seq_handle, "SCUMMVM", caps, SND_SEQ_PORT_TYPE_MIDI_GENERIC | SND_SEQ_PORT_TYPE_APPLICATION); if (my_port < 0) { snd_seq_close(seq_handle); error("Can't create port"); return -1; } if (seq_client != SND_SEQ_ADDRESS_SUBSCRIBERS) { /* subscribe to MIDI port */ if (snd_seq_connect_to(seq_handle, my_port, seq_client, seq_port) < 0) { snd_seq_close(seq_handle); error("Can't subscribe to MIDI port (%d:%d)", seq_client, seq_port); return -1; } } printf("ALSA client initialised [%d:%d]\n", my_client, my_port); return 0; } void MidiDriver_ALSA::close() { _mode = 0; if (seq_handle) snd_seq_close(seq_handle); } void MidiDriver_ALSA::send(uint32 b) { unsigned int midiCmd[4]; ev.type = SND_SEQ_EVENT_OSS; midiCmd[3] = (b & 0xFF000000) >> 24; midiCmd[2] = (b & 0x00FF0000) >> 16; midiCmd[1] = (b & 0x0000FF00) >> 8; midiCmd[0] = (b & 0x000000FF); ev.data.raw32.d[0] = midiCmd[0]; ev.data.raw32.d[1] = midiCmd[1]; ev.data.raw32.d[2] = midiCmd[2]; unsigned char chanID = midiCmd[0] & 0x0F; switch (midiCmd[0] & 0xF0) { case 0x80: snd_seq_ev_set_noteoff(&ev, chanID, midiCmd[1], midiCmd[2]); send_event(1); break; case 0x90: snd_seq_ev_set_noteon(&ev, chanID, midiCmd[1], midiCmd[2]); send_event(1); break; case 0xB0: /* is it this simple ? Wow... */ snd_seq_ev_set_controller(&ev, chanID, midiCmd[1], midiCmd[2]); send_event(1); break; case 0xC0: snd_seq_ev_set_pgmchange(&ev, chanID, midiCmd[1]); send_event(0); break; case 0xE0:{ long theBend = ((((long)midiCmd[1] + (long)(midiCmd[2] << 8))) - 0x4000) / 4; snd_seq_ev_set_pitchbend(&ev, chanID, theBend); send_event(1); } break; default: error("Unknown Command: %08x\n", (int)b); /* I don't know if this works but, well... */ send_event(1); break; } } void MidiDriver_ALSA::pause(bool pause) { if (_mode == MO_STREAMING) { /* Err... and what? */ } } void MidiDriver_ALSA::set_stream_callback(void *param, StreamCallback *sc) { _stream_param = param; _stream_proc = sc; } MidiDriver *MidiDriver_ALSA_create() { return new MidiDriver_ALSA(); } #endif