125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
#include "global.h"
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#include "RageUtil.h"
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#include "InputHandler_Win32_MIDI.h"
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#include "RageLog.h"
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#include <windows.h>
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#include <mmsystem.h>
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#pragma comment (lib,"winmm.lib")
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static HMIDIIN g_device;
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static void CALLBACK midiCallback(HMIDIIN g_device, UINT status, DWORD instancePtr, DWORD data, DWORD timestamp);
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static CString GetMidiError( MMRESULT result )
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{
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char szError[256];
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midiOutGetErrorText( result, szError, 256 );
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return szError;
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}
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InputHandler_Win32_MIDI::InputHandler_Win32_MIDI()
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{
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int device_id = 0;
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g_device = NULL;
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if( device_id >= (int) midiInGetNumDevs() )
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{
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m_bFoundDevice = false;
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return;
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}
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m_bFoundDevice = true;
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MMRESULT result = midiInOpen( &g_device, device_id, (DWORD) &midiCallback, (DWORD) this, CALLBACK_FUNCTION );
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if( result != MMSYSERR_NOERROR )
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{
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LOG->Warn( "Error opening MIDI device: %s", GetMidiError(result).c_str() );
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return;
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}
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result = midiInStart(g_device);
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if( result != MMSYSERR_NOERROR )
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{
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LOG->Warn( "Error starting MIDI device: %s", GetMidiError(result).c_str() );
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return;
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}
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}
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InputHandler_Win32_MIDI::~InputHandler_Win32_MIDI()
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{
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MMRESULT result;
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result = midiInReset( g_device );
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if( result != MMSYSERR_NOERROR )
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{
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LOG->Warn( "Error resetting MIDI device: %s", GetMidiError(result).c_str() );
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return;
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}
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result = midiInClose( g_device );
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if( result != MMSYSERR_NOERROR )
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{
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LOG->Warn( "Error closing MIDI device: %s", GetMidiError(result).c_str() );
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return;
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}
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}
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void InputHandler_Win32_MIDI::GetDevicesAndDescriptions( vector<InputDevice>& vDevicesOut, vector<CString>& vDescriptionsOut )
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{
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if( m_bFoundDevice )
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{
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vDevicesOut.push_back( InputDevice(DEVICE_MIDI) );
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vDescriptionsOut.push_back( "Win32_MIDI" );
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}
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}
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static void CALLBACK midiCallback( HMIDIIN device, UINT status, DWORD instancePtr, DWORD data, DWORD timestamp )
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{
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if( status == MIM_DATA )
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{
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int iType = data & 0xff;
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int iChannel = (data & 0xff00) >> 8;
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int iValue = (data & 0xff0000) >> 16;
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// Channel 0 in midi is a special channel that generally will get triggered when too many channels are pressed.
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if( iChannel == 0 )
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return;
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if( iType == 144 )
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{
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DeviceInput di = DeviceInput( DEVICE_MIDI, enum_add2(MIDI_FIRST, iChannel) );
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di.ts.Touch();
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if( iValue > 0 )
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((InputHandler_Win32_MIDI *)instancePtr)->SetDev( di, true );
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else
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((InputHandler_Win32_MIDI *)instancePtr)->SetDev( di, false );
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}
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}
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}
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/*
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* Copyright (c) 2005 Charles Lohr
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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