/*
  ZynAddSubFX - a software synthesizer
 
  WINMidiIn.C - Midi input for Windows
  Copyright (C) 2002-2005 Nasca Octavian Paul
  Author: Nasca Octavian Paul

  This program is free software; you can redistribute it and/or modify
  it under the terms of version 2 of the GNU General Public License 
  as published by the Free Software Foundation.

  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 (version 2) for more details.

  You should have received a copy of the GNU General Public License (version 2)
  along with this program; if not, write to the Free Software Foundation,
  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

*/

#include <stdlib.h>
#include <stdio.h>
#include <windows.h>
#include <mmsystem.h>
#include <pthread.h>

#include "WINMidiIn.h"
#include "MidiIn.h"
#include "../Misc/Util.h"

Master *winmaster;
HMIDIIN winmidiinhandle;
MidiIn midictl;//used to convert the controllers to ZynAddSubFX controllers

void CALLBACK WinMidiInProc(HMIDIIN hMidiIn,UINT wMsg,DWORD dwInstance,
        DWORD dwParam1,DWORD dwParam2){
	int midicommand=MidiNull;
	if (wMsg==MIM_DATA){
		int cmd,par1,par2;
		cmd=dwParam1&0xff;
		if (cmd==0xfe) return;
		par1=(dwParam1>>8)&0xff;
		par2=dwParam1>>16;
		//printf("%x %x %x\n",cmd,par1,par2);fflush(stdout);
		int cmdchan=cmd&0x0f;
		int cmdtype=(cmd>>4)&0x0f;

		int tmp=0;
    		pthread_mutex_lock(&winmaster->mutex);
		switch(cmdtype){
			case(0x8)://noteon
                           winmaster->NoteOff(cmdchan,par1);
                          break;
			case(0x9)://noteoff
			   winmaster->NoteOn(cmdchan,par1,par2&0xff);
			  break;	
			case(0xb)://controller
			  winmaster->SetController(cmdchan,midictl.getcontroller(par1),par2&0xff); 
			  break;
			case(0xe)://pitch wheel
                          tmp=(par1+par2*(long int) 128)-8192;
			  winmaster->SetController(cmdchan,C_pitchwheel,tmp);
			  break;
			default:break;
		};
    		pthread_mutex_unlock(&winmaster->mutex);

	};
};

void InitWinMidi(Master *master_){
	winmaster=master_;
	
	long int result=midiInOpen(&winmidiinhandle,config.cfg.WindowsMidiInId,(DWORD)WinMidiInProc,0,CALLBACK_FUNCTION);
	result=midiInStart(winmidiinhandle);
};

void StopWinMidi(){
      	midiInStop(winmidiinhandle);
	midiInClose(winmidiinhandle);
};