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Change: [Win32 MIDI] Reset pitch bend range controllers on song change 

Some songs (at least one in OpenMSX) use the MIDI pitch bend range controllers
but don't reset these at the end. This causes all subsequent songs to sound
wrong.
This commit is contained in:
Niels Martin Hansen 2018-03-18 16:15:14 +01:00 committed by Michael Lutz
parent 99a39c842c
commit 52655b5849
1 changed files with 13 additions and 0 deletions
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13
src/music/win32_m.cpp
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@ -126,6 +126,19 @@ void CALLBACK TimerCallback(UINT uTimerID, UINT, DWORD_PTR dwUser, DWORD_PTR, DW
DEBUG(driver, 2, "Win32-MIDI: timer: do_start is set");
if (_midi.playing) {
midiOutReset(_midi.midi_out);
/* Some songs change the "Pitch bend range" registered
* parameter. If this doesn't get reset, everything else
* will start sounding wrong. */
for (int ch = 0; ch < 16; ch++) {
/* Running status, only need status for first message */
/* Select RPN 00.00, set value to 02.00, and unselect again */
TransmitChannelMsg(MIDIST_CONTROLLER | ch, MIDICT_RPN_SELECT_LO, 0x00);
TransmitChannelMsg(MIDICT_RPN_SELECT_HI, 0x00);
TransmitChannelMsg(MIDICT_DATAENTRY, 0x02);
TransmitChannelMsg(MIDICT_DATAENTRY_LO, 0x00);
TransmitChannelMsg(MIDICT_RPN_SELECT_LO, 0x7F);
TransmitChannelMsg(MIDICT_RPN_SELECT_HI, 0x7F);
}
}
_midi.current_file.MoveFrom(_midi.next_file);
std::swap(_midi.next_segment, _midi.current_segment);