dosbox-wii/src/gui/midi_win32.h

96 lines
2.8 KiB
C++

/*
* Copyright (C) 2002-2008 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.
*/
/* $Id: midi_win32.h,v 1.15 2008/08/06 18:32:34 c2woody Exp $ */
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <mmsystem.h>
#include <string>
#include <sstream>
class MidiHandler_win32: public MidiHandler {
private:
HMIDIOUT m_out;
MIDIHDR m_hdr;
HANDLE m_event;
bool isOpen;
public:
MidiHandler_win32() : MidiHandler(),isOpen(false) {};
const char * GetName(void) { return "win32";};
bool Open(const char * conf) {
if (isOpen) return false;
m_event = CreateEvent (NULL, true, true, NULL);
MMRESULT res = MMSYSERR_NOERROR;
if(conf && *conf) {
std::string strconf(conf);
std::istringstream configmidi(strconf);
unsigned int nummer = midiOutGetNumDevs();
configmidi >> nummer;
if(nummer < midiOutGetNumDevs()){
MIDIOUTCAPS mididev;
midiOutGetDevCaps(nummer, &mididev, sizeof(MIDIOUTCAPS));
LOG_MSG("MIDI:win32 selected %s",mididev.szPname);
res = midiOutOpen(&m_out, nummer, (DWORD)m_event, 0, CALLBACK_EVENT);
}
} else {
res = midiOutOpen(&m_out, MIDI_MAPPER, (DWORD)m_event, 0, CALLBACK_EVENT);
}
if (res != MMSYSERR_NOERROR) return false;
isOpen=true;
return true;
};
void Close(void) {
if (!isOpen) return;
isOpen=false;
midiOutClose(m_out);
CloseHandle (m_event);
};
void PlayMsg(Bit8u * msg) {
midiOutShortMsg(m_out, *(Bit32u*)msg);
};
void PlaySysex(Bit8u * sysex,Bitu len) {
if (WaitForSingleObject (m_event, 2000) == WAIT_TIMEOUT) {
LOG(LOG_MISC,LOG_ERROR)("Can't send midi message");
return;
}
midiOutUnprepareHeader (m_out, &m_hdr, sizeof (m_hdr));
m_hdr.lpData = (char *) sysex;
m_hdr.dwBufferLength = len ;
m_hdr.dwBytesRecorded = len ;
m_hdr.dwUser = 0;
MMRESULT result = midiOutPrepareHeader (m_out, &m_hdr, sizeof (m_hdr));
if (result != MMSYSERR_NOERROR) return;
ResetEvent (m_event);
result = midiOutLongMsg (m_out,&m_hdr,sizeof(m_hdr));
if (result != MMSYSERR_NOERROR) {
SetEvent (m_event);
return;
}
}
};
MidiHandler_win32 Midi_win32;