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First-revision SysEx support for -ewindows.

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svn-id: r6381
This commit is contained in:
Jamieson Christian 2003-01-10 14:40:22 +00:00
parent a8f4c821cf
commit b942f42670
3 changed files with 45 additions and 3 deletions
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44
backends/midi/windows.cpp
View File

@ -32,6 +32,9 @@
class MidiDriver_WIN : public MidiDriver_MPU401 {
private:
MIDIHDR _streamHeader;
byte _streamBuffer [258]; // SysEx blocks should be no larger than 256 bytes
HANDLE _streamEvent;
HMIDIOUT _mo;
bool _isOpen;
@ -43,6 +46,7 @@ public:
int open();
void close();
void send(uint32 b);
void sysEx (byte *msg, uint16 length);
};
int MidiDriver_WIN::open()
@ -50,7 +54,8 @@ int MidiDriver_WIN::open()
if (_isOpen)
return MERR_ALREADY_OPEN;
MMRESULT res = midiOutOpen((HMIDIOUT *) &_mo, MIDI_MAPPER, 0, 0, 0);
_streamEvent = CreateEvent (NULL, true, true, NULL);
MMRESULT res = midiOutOpen((HMIDIOUT *) &_mo, MIDI_MAPPER, (unsigned long) _streamEvent, 0, CALLBACK_EVENT);
if (res != MMSYSERR_NOERROR) {
check_error(res);
return MERR_DEVICE_NOT_AVAILABLE;
@ -64,6 +69,7 @@ void MidiDriver_WIN::close()
{
_isOpen = false;
check_error(midiOutClose(_mo));
CloseHandle (_streamEvent);
}
void MidiDriver_WIN::send(uint32 b)
@ -82,6 +88,42 @@ void MidiDriver_WIN::send(uint32 b)
check_error(midiOutShortMsg(_mo, u.dwData));
}
void MidiDriver_WIN::sysEx (byte *msg, uint16 length)
{
if (!_isOpen)
return;
if (WaitForSingleObject (_streamEvent, 2000) == WAIT_TIMEOUT) {
warning ("Could not send SysEx - MMSYSTEM is still trying to send data.");
return;
}
midiOutUnprepareHeader (_mo, &_streamHeader, sizeof (_streamHeader));
_streamBuffer [0] = 0xFF;
memcpy (&_streamBuffer[1], msg, length);
_streamBuffer [length+1] = 0xF7;
_streamHeader.lpData = (char *) _streamBuffer;
_streamHeader.dwBufferLength = length + 2;
_streamHeader.dwBytesRecorded = length + 2;
_streamHeader.dwUser = 0;
_streamHeader.dwFlags |= MHDR_ISSTRM;
MMRESULT result = midiOutPrepareHeader (_mo, &_streamHeader, sizeof (_streamHeader));
if (result != MMSYSERR_NOERROR) {
check_error (result);
return;
}
ResetEvent (_streamEvent);
result = midiOutLongMsg (_mo, &_streamHeader, sizeof (_streamHeader));
if (result != MMSYSERR_NOERROR) {
check_error (result);
SetEvent (_streamEvent);
return;
}
}
void MidiDriver_WIN::check_error(MMRESULT result)
{
char buf[200];

2
scumm/instrument.cpp
View File

@ -25,6 +25,8 @@
#include "scumm/instrument.h"
#include "sound/mididrv.h"
#define NATIVE_MT32 true
static const byte mt32_to_gm[128] = {
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x

2
scumm/instrument.h
View File

@ -25,8 +25,6 @@
#include "stdafx.h"
#include "common/scummsys.h"
#define NATIVE_MT32 false
class Serializer;
class MidiChannel;