some missing midi headers
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1684 a95241bf-73f2-0310-859d-f6bbb57e9c96
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/*******************************************************************************
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/
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/ File: MidiPort.h
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/
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/ Description: Interface to MIDI hardware ports.
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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_PORT_H
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#define _MIDI_PORT_H
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#include <Midi.h>
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class BMidiLocalProducer;
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class BMidiPortConsumer;
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/*------------------------------------------------------------*/
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class BMidiPort : public BMidi {
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public:
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BMidiPort(const char *name=NULL);
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~BMidiPort();
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status_t InitCheck() const;
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status_t Open(const char *name);
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void Close();
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const char * PortName() const;
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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 SystemExclusive(void* data,
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size_t dataLength,
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uint32 time = B_NOW);
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virtual void SystemCommon(uchar statusByte,
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uchar data1,
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uchar data2,
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uint32 time = B_NOW);
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virtual void SystemRealTime(uchar statusByte, uint32 time = B_NOW);
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virtual status_t Start();
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virtual void Stop();
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int32 CountDevices();
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status_t GetDeviceName(int32 n, char * name,
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size_t bufSize = B_OS_NAME_LENGTH);
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private:
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typedef BMidi _inherited;
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virtual void _ReservedMidiPort1();
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virtual void _ReservedMidiPort2();
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virtual void _ReservedMidiPort3();
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virtual void Run();
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friend class BMidiPortConsumer;
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void Dispatch(const unsigned char * buffer, size_t size, bigtime_t when);
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ssize_t Read(void *buffer, size_t numBytes) const;
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ssize_t Write(void *buffer, size_t numBytes, uint32 time) const;
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void ScanDevices();
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BMidiProducer *remote_source;
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BMidiConsumer *remote_sink;
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char* fName;
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status_t fCStatus;
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BList * _fDevices;
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uint8 _m_prev_cmd;
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bool _m_enhanced;
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uint8 _m_reserved[2];
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// used to glue us to the new midi kit
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BMidiLocalProducer *local_source;
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BMidiPortConsumer *local_sink;
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};
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/*------------------------------------------------------------*/
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#endif
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@ -0,0 +1,115 @@
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/*******************************************************************************
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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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/*******************************************************************************
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/
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/ File: MidiSynthFile.h
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/
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/ Description: Send a MIDI file to the 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_FILE_H
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#define _MIDI_SYNTH_FILE_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 <MidiSynth.h>
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#include <Entry.h>
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typedef void (*synth_file_hook)(int32 arg);
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class BMidiSynthFile : public BMidiSynth
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{
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public:
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BMidiSynthFile();
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~BMidiSynthFile();
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status_t LoadFile(const entry_ref *midi_entry_ref);
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void UnloadFile(void);
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virtual status_t Start(void);
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virtual void Stop(void);
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void Fade(void);
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void Pause(void);
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void Resume(void);
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/* get ticks in microseconds of length of song*/
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int32 Duration(void) const;
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/* set the current playback position of song in microseconds*/
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int32 Position(int32 ticks) const;
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/* get the current playback position of a song in microseconds*/
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int32 Seek();
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/* get the patches required to play this song*/
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status_t GetPatches(int16 *pArray768, int16 *pReturnedCount) const;
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/* Set a call back when song is done*/
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void SetFileHook(synth_file_hook pSongHook, int32 arg);
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/* poll to see if song is done*/
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bool IsFinished(void) const;
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/* set song master tempo. (1.0 uses songs encoded tempo, 2.0 will play*/
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/* song twice as fast, and 0.5 will play song half as fast*/
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void ScaleTempoBy(double tempoFactor);
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/* sets tempo in beats per minute*/
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void SetTempo(int32 newTempoBPM);
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/* returns tempo in beats per minute*/
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int32 Tempo(void) const;
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/* pass true to loop song, false to not loop*/
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void EnableLooping(bool loop);
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/* Mute and unmute tracks (0 to 64)*/
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void MuteTrack(int16 track, bool do_mute);
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void GetMuteMap(char *pTracks) const;
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void SoloTrack(int16 track, bool do_solo);
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void GetSoloMap(char *pTracks) const;
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private:
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virtual void _ReservedMidiSynthFile1();
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virtual void _ReservedMidiSynthFile2();
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virtual void _ReservedMidiSynthFile3();
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friend class BSynth;
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uint32 _reserved[4];
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};
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#endif
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@ -0,0 +1,76 @@
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/*******************************************************************************
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/
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/ File: Samples.h
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/
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/ Description: Sound effects.
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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 _SAMPLES_H
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#define _SAMPLES_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 <Entry.h>
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typedef void (*sample_exit_hook)(int32 arg);
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typedef bool (*sample_loop_hook)(int32 arg);
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class BSamples
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{
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public:
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BSamples();
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virtual ~BSamples();
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/* start a sample playing*/
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void Start(void * sampleData, /* pointer to audio data*/
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int32 frames, /* number of frames*/
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int16 bytes_per_sample, /* btyes per sample 1 or 2*/
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int16 channel_count, /* mono or stereo 1 or 2*/
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double pitch, /* floating sample rate*/
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int32 loopStart, /* loop start in frames*/
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int32 loopEnd, /* loop end in frames*/
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double sampleVolume, /* sample volume*/
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double stereoPosition, /* stereo placement*/
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int32 hook_arg, /* hook argument*/
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sample_loop_hook pLoopContinueProc,
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sample_exit_hook pDoneProc);
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/* currently paused*/
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bool IsPaused(void) const;
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void Pause(void);
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void Resume(void);
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void Stop(void);
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bool IsPlaying(void) const;
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void SetVolume(double newVolume);
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double Volume(void) const;
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void SetSamplingRate(double newRate);
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double SamplingRate(void) const;
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void SetPlacement(double stereoPosition);
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/* Set the stereo position (-1.0 left to +1.0 right, 0 is middle)*/
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double Placement(void) const;
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/* Enable/Disable reverb on this particular IgorSound*/
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void EnableReverb(bool useReverb);
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private:
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virtual void _ReservedSamples1();
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virtual void _ReservedSamples2();
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virtual void _ReservedSamples3();
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int32 fReference;
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double fPauseVariable;
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void* fFileVariables;
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uint32 _reserved[4];
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};
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#endif
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@ -0,0 +1,141 @@
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/*******************************************************************************
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/
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/ File: Synth.h
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/
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/ Description: Interface 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 _SYNTH_H
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#define _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 <Entry.h>
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#include <MidiDefs.h>
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#include <OS.h>
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typedef enum interpolation_mode
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{
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B_DROP_SAMPLE = 0,
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B_2_POINT_INTERPOLATION,
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B_LINEAR_INTERPOLATION
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} interpolation_mode;
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typedef enum reverb_mode
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{
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B_REVERB_NONE = 1,
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B_REVERB_CLOSET,
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B_REVERB_GARAGE,
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B_REVERB_BALLROOM,
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B_REVERB_CAVERN,
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B_REVERB_DUNGEON
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} reverb_mode;
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typedef void (*synth_controller_hook) (int16 channel,
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int16 controller,
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int16 value);
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class BMidiSynth;
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class BMidiSynthFile;
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class BSynth
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{
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public:
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BSynth();
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BSynth(synth_mode synth);
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#if !_PR3_COMPATIBLE_
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virtual ~BSynth();
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#else
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~BSynth();
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#endif
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status_t LoadSynthData(entry_ref *instrumentsFile);
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status_t LoadSynthData(synth_mode synth);
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synth_mode SynthMode(void);
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void Unload(void);
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bool IsLoaded(void) const;
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/* change audio modes*/
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status_t SetSamplingRate(int32 sample_rate);
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int32 SamplingRate() const;
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status_t SetInterpolation(interpolation_mode interp_mode);
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interpolation_mode Interpolation() const;
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void SetReverb(reverb_mode rev_mode);
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reverb_mode Reverb() const;
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status_t EnableReverb(bool reverb_enabled);
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bool IsReverbEnabled() const;
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/* change voice allocation*/
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status_t SetVoiceLimits(int16 maxSynthVoices,
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int16 maxSampleVoices,
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int16 limiterThreshhold);
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int16 MaxSynthVoices(void) const;
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int16 MaxSampleVoices(void) const;
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int16 LimiterThreshhold(void) const;
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/* get and set the master mix volume. A volume level of 1.0*/
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/* is normal, and volume level of 4.0 will overdrive 4 times*/
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void SetSynthVolume(double theVolume);
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double SynthVolume(void) const;
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void SetSampleVolume(double theVolume);
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double SampleVolume(void) const;
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/* display feedback information*/
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/* This will return the number of 16-bit samples stored into the pLeft*/
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/* and pRight arrays. Usually 1024. This returns the current data*/
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/* points being sent to the hardware.*/
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status_t GetAudio(int16 *pLeft, int16 *pRight,
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int32 max_samples) const;
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/* disengage from audio output streams*/
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void Pause(void);
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/* reengage to audio output streams*/
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void Resume(void);
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/* Set a call back on controller events*/
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void SetControllerHook(int16 controller,
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synth_controller_hook cback);
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int32 CountClients(void) const;
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private:
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virtual void _ReservedSynth1();
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virtual void _ReservedSynth2();
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virtual void _ReservedSynth3();
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virtual void _ReservedSynth4();
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friend BMidiSynth;
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friend BMidiSynthFile;
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int32 fClientCount;
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void _init();
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status_t _do_load(synth_mode synth);
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status_t _load_insts(entry_ref *ref);
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synth_mode fMode;
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int16 fMaxSynthVox;
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int16 fMaxSampleVox;
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int16 fLimiter;
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int32 fSRate;
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interpolation_mode fInterp;
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int32 fModifiers;
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reverb_mode fReverb;
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sem_id fSetupLock;
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uint32 _reserved[4];
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};
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extern _IMPEXP_MIDI BSynth *be_synth;
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#endif
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