some missing midi headers

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1684 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-10-26 18:51:58 +00:00
parent 5cdacbaabb
commit 4b8670624a
5 changed files with 536 additions and 0 deletions
@@ -0,0 +1,115 @@
+/*******************************************************************************
+/
+/	File:		MidiSynth.h
+/
+/	Description:	Midi object that talks to the General MIDI synthesizer.
+/
+/	Copyright 1993-98, Be Incorporated, All Rights Reserved.
+/
+*******************************************************************************/
+
+#ifndef _MIDI_SYNTH_H
+#define _MIDI_SYNTH_H
+
+#ifndef _BE_BUILD_H
+#include <BeBuild.h>
+#endif
+#include <Midi.h>
+#include <Synth.h>
+#include <MidiDefs.h>
+
+
+class BMidiSynth : public BMidi
+{
+public:
+				BMidiSynth(); 
+	virtual		~BMidiSynth();
+
+
+	status_t	EnableInput(bool enable, bool loadInstruments);
+	bool 		IsInputEnabled(void) const;
+		
+	/* set volume. You can overdrive by passing values larger than 1.0*/
+	void		SetVolume(double volume);
+	double		Volume(void) const;
+
+	/* set note offset in semi tones	*/
+	/* (12 is down an octave, -12 is up an octave)*/
+	void 		SetTransposition(int16 offset);
+	int16		Transposition(void) const;
+
+	/* Mute and unmute channels (0 to 15)*/
+	void		MuteChannel(int16 channel, bool do_mute);
+	void		GetMuteMap(char *pChannels) const;
+
+	void		SoloChannel(int16 channel, bool do_solo);
+	void		GetSoloMap(char *pChannels) const;
+
+	/* Use these functions to drive the synth engine directly*/
+	status_t		LoadInstrument(int16 instrument);
+	status_t		UnloadInstrument(int16 instrument);
+	status_t		RemapInstrument(int16 from, int16 to);
+
+	void		FlushInstrumentCache(bool startStopCache);
+
+	/* get current midi tick in microseconds*/
+	uint32	Tick(void) const;
+
+	/* The channel variable is 1 to 16. Channel 10 is percussion for example.*/
+	/* The programNumber variable is a number from 0-127*/
+
+virtual	void	NoteOff(uchar channel, 
+						uchar note, 
+						uchar velocity,
+						uint32 time = B_NOW);
+
+virtual	void	NoteOn(uchar channel, 
+					   uchar note, 
+					   uchar velocity,
+			    	   uint32 time = B_NOW);
+
+virtual	void	KeyPressure(uchar channel, 
+							uchar note, 
+							uchar pressure,
+							uint32 time = B_NOW);
+
+virtual	void	ControlChange(uchar channel, 
+							  uchar controlNumber,
+							  uchar controlValue, 
+							  uint32 time = B_NOW);
+
+virtual	void	ProgramChange(uchar channel, 
+								uchar programNumber,
+							  	uint32 time = B_NOW);
+
+virtual	void	ChannelPressure(uchar channel, 
+								uchar pressure, 
+								uint32 time = B_NOW);
+
+virtual	void	PitchBend(uchar channel, 
+						  uchar lsb, 
+						  uchar msb,
+			    		  uint32 time = B_NOW);
+
+virtual void	AllNotesOff(bool controlOnly, uint32 time = B_NOW);
+
+protected:
+	void*			fSongVariables;
+	void*			fPerformanceVariables;
+	bool			fMidiQueue;
+
+private:
+
+virtual	void		_ReservedMidiSynth1();
+virtual	void		_ReservedMidiSynth2();
+virtual	void		_ReservedMidiSynth3();
+virtual	void		_ReservedMidiSynth4();
+
+friend class BSynth;
+
+	virtual	void		Run();
+	bool fInputEnabled;
+	uint32	_reserved[4];
+};
+
+#endif