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