From c023651cb37752a7dd5e53a7bb27f20dbc9fd41e Mon Sep 17 00:00:00 2001
From: Matthew Hoops
Date: Mon, 10 Sep 2012 08:22:00 -0400
Subject: AUDIO: Implement QuickTime MIDI channel remapping

Needed to support channels with a drum kit
---
 audio/midiparser_qt.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'audio/midiparser_qt.h')

diff --git a/audio/midiparser_qt.h b/audio/midiparser_qt.h
index 5ab89bd4e7..25c2ae99fb 100644
--- a/audio/midiparser_qt.h
+++ b/audio/midiparser_qt.h
@@ -25,6 +25,7 @@
 
 #include "audio/midiparser.h"
 #include "common/array.h"
+#include "common/hashmap.h"
 #include "common/quicktime.h"
 
 /**
@@ -57,6 +58,7 @@ public:
 protected:
 	// MidiParser
 	void parseNextEvent(EventInfo &info);
+	void resetTracking();
 
 	// QuickTimeParser
 	SampleDesc *readSampleDesc(Track *track, uint32 format, uint32 descSize);
@@ -80,10 +82,17 @@ private:
 	uint32 readNextEvent(EventInfo &info);
 	void handleGeneralEvent(EventInfo &info, uint32 control);
 
+	void allocateChannel(uint32 part, uint32 instrument);
+	byte getChannel(uint32 part) const;
+	bool isChannelAllocated(byte channel) const;
+
 	byte *readWholeTrack(Common::QuickTimeParser::Track *track, uint32 &trackSize);
 
 	Common::Array<MIDITrackInfo> _trackInfo;
 
+	typedef Common::HashMap<uint, uint> ChannelMap;
+	ChannelMap _channelMap;
+
 	void initFromContainerTracks();
 	void initCommon();
 	uint32 readUint32();
-- 
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