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-rw-r--r--src/music/win32_m.cpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/music/win32_m.cpp b/src/music/win32_m.cpp
index bd2ed7038..edaae36fa 100644
--- a/src/music/win32_m.cpp
+++ b/src/music/win32_m.cpp
@@ -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);