/* * Copyright (C) 2002-2007 The DOSBox Team * * 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. */ #include #include #include #include "dosbox.h" #include "cross.h" #include "support.h" #include "setup.h" #include "mapper.h" #include "pic.h" #include "hardware.h" #define SYSEX_SIZE 1024 #define RAWBUF 1024 Bit8u MIDI_evt_len[256] = { 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0x00 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0x10 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0x20 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0x30 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0x40 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0x50 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0x60 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0x70 3,3,3,3, 3,3,3,3, 3,3,3,3, 3,3,3,3, // 0x80 3,3,3,3, 3,3,3,3, 3,3,3,3, 3,3,3,3, // 0x90 3,3,3,3, 3,3,3,3, 3,3,3,3, 3,3,3,3, // 0xa0 3,3,3,3, 3,3,3,3, 3,3,3,3, 3,3,3,3, // 0xb0 2,2,2,2, 2,2,2,2, 2,2,2,2, 2,2,2,2, // 0xc0 2,2,2,2, 2,2,2,2, 2,2,2,2, 2,2,2,2, // 0xd0 3,3,3,3, 3,3,3,3, 3,3,3,3, 3,3,3,3, // 0xe0 0,2,3,2, 0,0,1,0, 1,0,1,1, 1,0,1,0 // 0xf0 }; class MidiHandler; MidiHandler * handler_list=0; class MidiHandler { public: MidiHandler() { next=handler_list; handler_list=this; }; virtual bool Open(const char * /*conf*/) { return true; }; virtual void Close(void) {}; virtual void PlayMsg(Bit8u * /*msg*/) {}; virtual void PlaySysex(Bit8u * /*sysex*/,Bitu /*len*/) {}; virtual const char * GetName(void) { return "none"; }; virtual ~MidiHandler() { }; MidiHandler * next; }; MidiHandler Midi_none; /* Include different midi drivers, lowest ones get checked first for default */ #if defined(MACOSX) #include "midi_coremidi.h" #include "midi_coreaudio.h" #elif defined (WIN32) #include "midi_win32.h" #else #include "midi_oss.h" #endif #if defined (HAVE_ALSA) #include "midi_alsa.h" #endif static struct { Bitu status; Bitu cmd_len; Bitu cmd_pos; Bit8u cmd_buf[8]; Bit8u rt_buf[8]; struct { Bit8u buf[SYSEX_SIZE]; Bitu used; } sysex; bool available; MidiHandler * handler; } midi; void MIDI_RawOutByte(Bit8u data) { /* Test for a realtime MIDI message */ if (data>=0xf8) { midi.rt_buf[0]=data; midi.handler->PlayMsg(midi.rt_buf); return; } /* Test for a active sysex tranfer */ if (midi.status==0xf0) { if (!(data&0x80)) { if (midi.sysex.used<(SYSEX_SIZE-1)) midi.sysex.buf[midi.sysex.used++]=data; return; } else { midi.sysex.buf[midi.sysex.used++]=0xf7; midi.handler->PlaySysex(midi.sysex.buf,midi.sysex.used); LOG(LOG_ALL,LOG_NORMAL)("Sysex message size %d",midi.sysex.used); if (CaptureState & CAPTURE_MIDI) { CAPTURE_AddMidi( true, midi.sysex.used-1, &midi.sysex.buf[1]); } } } if (data&0x80) { midi.status=data; midi.cmd_pos=0; midi.cmd_len=MIDI_evt_len[data]; if (midi.status==0xf0) { midi.sysex.buf[0]=0xf0; midi.sysex.used=1; } } if (midi.cmd_len) { midi.cmd_buf[midi.cmd_pos++]=data; if (midi.cmd_pos >= midi.cmd_len) { if (CaptureState & CAPTURE_MIDI) { CAPTURE_AddMidi(false, midi.cmd_len, midi.cmd_buf); } midi.handler->PlayMsg(midi.cmd_buf); midi.cmd_pos=1; //Use Running status } } } bool MIDI_Available(void) { return midi.available; } class MIDI:public Module_base{ public: MIDI(Section* configuration):Module_base(configuration){ Section_prop * section=static_cast(configuration); const char * dev=section->Get_string("mididevice"); const char * conf=section->Get_string("midiconfig"); /* If device = "default" go for first handler that works */ MidiHandler * handler; // MAPPER_AddHandler(MIDI_SaveRawEvent,MK_f8,MMOD1|MMOD2,"caprawmidi","Cap MIDI"); midi.status=0x00; midi.cmd_pos=0; midi.cmd_len=0; if (!strcasecmp(dev,"default")) goto getdefault; handler=handler_list; while (handler) { if (!strcasecmp(dev,handler->GetName())) { if (!handler->Open(conf)) { LOG_MSG("MIDI:Can't open device:%s with config:%s.",dev,conf); goto getdefault; } midi.handler=handler; midi.available=true; LOG_MSG("MIDI:Opened device:%s",handler->GetName()); return; } handler=handler->next; } LOG_MSG("MIDI:Can't find device:%s, finding default handler.",dev); getdefault: handler=handler_list; while (handler) { if (handler->Open(conf)) { midi.available=true; midi.handler=handler; LOG_MSG("MIDI:Opened device:%s",handler->GetName()); return; } handler=handler->next; } /* This shouldn't be possible */ } ~MIDI(){ if(midi.available) midi.handler->Close(); midi.available = false; midi.handler = 0; } }; static MIDI* test; void MIDI_Destroy(Section* /*sec*/){ delete test; } void MIDI_Init(Section * sec) { test = new MIDI(sec); sec->AddDestroyFunction(&MIDI_Destroy,true); }