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2002-11-01 16:11:03 +00:00
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#ifndef _MIDI_STORE_H
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#define _MIDI_STORE_H
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#include <BeBuild.h>
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#include <Midi.h>
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struct entry_ref;
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class BFile;
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class BList;
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class BMidiEvent;
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class BMidiStore : public BMidi
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{
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public:
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BMidiStore();
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virtual ~BMidiStore();
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virtual void NoteOff(
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uchar channel, uchar note, uchar velocity, uint32 time = B_NOW);
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virtual void NoteOn(
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uchar channel, uchar note, uchar velocity, uint32 time = B_NOW);
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virtual void KeyPressure(
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uchar channel, uchar note, uchar pressure, uint32 time = B_NOW);
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virtual void ControlChange(
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uchar channel, uchar controlNumber, uchar controlValue,
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uint32 time = B_NOW);
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virtual void ProgramChange(
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uchar channel, uchar programNumber, uint32 time = B_NOW);
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virtual void ChannelPressure(
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uchar channel, uchar pressure, uint32 time = B_NOW);
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virtual void PitchBend(
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uchar channel, uchar lsb, uchar msb, uint32 time = B_NOW);
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virtual void SystemExclusive(
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void* data, size_t length, uint32 time = B_NOW);
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virtual void SystemCommon(
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uchar status, uchar data1, uchar data2, uint32 time = B_NOW);
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virtual void SystemRealTime(uchar status, uint32 time = B_NOW);
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virtual void TempoChange(int32 beatsPerMinute, uint32 time = B_NOW);
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status_t Import(const entry_ref* ref);
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status_t Export(const entry_ref* ref, int32 format);
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void SortEvents(bool force = false);
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uint32 CountEvents() const;
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uint32 CurrentEvent() const;
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void SetCurrentEvent(uint32 eventNumber);
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uint32 DeltaOfEvent(uint32 eventNumber) const;
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uint32 EventAtDelta(uint32 time) const;
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uint32 BeginTime() const;
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void SetTempo(int32 beatsPerMinute);
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int32 Tempo() const;
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private:
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virtual void _ReservedMidiStore1();
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virtual void _ReservedMidiStore2();
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virtual void _ReservedMidiStore3();
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virtual void Run();
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void AddEvent(BMidiEvent* event);
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void SprayEvent(const BMidiEvent* event, uint32 time);
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BMidiEvent* EventAt(int32 index) const;
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uint32 GetEventTime(const BMidiEvent* event) const;
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uint32 TicksToMilliseconds(uint32 ticks) const;
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uint32 MillisecondsToTicks(uint32 ms) const;
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BList* events;
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int32 currentEvent;
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uint32 startTime;
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int32 beatsPerMinute;
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int16 ticksPerBeat;
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bool needsSorting;
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void ReadFourCC(char* fourcc);
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uint32 Read32Bit();
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uint16 Read16Bit();
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uint8 PeekByte();
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uint8 NextByte();
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void SkipBytes(uint32 length);
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uint32 ReadVarLength();
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void ReadChunk();
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void ReadTrack();
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void ReadSystemExclusive();
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void ReadMetaEvent();
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void WriteFourCC(char a, char b, char c, char d);
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void Write32Bit(uint32 val);
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void Write16Bit(uint16 val);
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void WriteByte(uint8 val);
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void WriteVarLength(uint32 val);
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void WriteTrack();
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void WriteMetaEvent(BMidiEvent* event);
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BFile* file;
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uint32 byteCount;
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uint32 totalTicks;
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uint16 numTracks;
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uint16 currTrack;
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uint16 format;
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uint16 _reserved1[1];
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uint32 _reserved2[16];
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};
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2002-11-21 19:23:22 +00:00
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#endif // _MIDI_STORE_H
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