From c81b58d38eb8ca38e8614152000bceb7b2c012ad Mon Sep 17 00:00:00 2001
From: Jamieson Christian
Date: Sun, 18 May 2003 23:55:53 +0000
Subject: Implemented new Simon MIDI module, switching from MidiStreamer to
 MidiParser. Restructuring enables XMIDI support and vc_72 implementation.
 Various cleanup on MidiParser's and MidiDriver's.

svn-id: r7654
---
 backends/midi/adlib.cpp   | 3 +++
 backends/midi/windows.cpp | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'backends')

diff --git a/backends/midi/adlib.cpp b/backends/midi/adlib.cpp
index 769ad3e0d2..909aa655a8 100644
--- a/backends/midi/adlib.cpp
+++ b/backends/midi/adlib.cpp
@@ -867,6 +867,9 @@ int MidiDriver_ADLIB::open() {
 }
 
 void MidiDriver_ADLIB::close() {
+	if (!_isOpen)
+		return;
+
 	uint i;
 	for (i = 0; i < ARRAYSIZE(_voices); ++i) {
 		if (_voices [i]._part)
diff --git a/backends/midi/windows.cpp b/backends/midi/windows.cpp
index 91cb3ccf87..e1b61cbaa6 100644
--- a/backends/midi/windows.cpp
+++ b/backends/midi/windows.cpp
@@ -65,6 +65,8 @@ int MidiDriver_WIN::open() {
 }
 
 void MidiDriver_WIN::close() {
+	if (!_isOpen)
+		return;
 	_isOpen = false;
 	midiOutUnprepareHeader (_mo, &_streamHeader, sizeof (_streamHeader));
 	check_error(midiOutClose(_mo));
@@ -83,7 +85,6 @@ void MidiDriver_WIN::send(uint32 b)
 	u.bData[1] = (byte)((b & 0x0000FF00) >> 8);
 	u.bData[0] = (byte)(b & 0x000000FF);
 
-	// printMidi(u.bData[0], u.bData[1], u.bData[2], u.bData[3]);
 	check_error(midiOutShortMsg(_mo, u.dwData));
 }
 
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