cog/Plugins/MIDI/MIDI/MIDIPlayer.h

56 lines
1.1 KiB
C++

#ifndef __MIDIPlayer_h__
#define __MIDIPlayer_h__
#include <midi_processing/midi_container.h>
class MIDIPlayer
{
public:
enum
{
loop_mode_enable = 1 << 0,
loop_mode_force = 1 << 1
};
// zero variables
MIDIPlayer();
// close, unload
virtual ~MIDIPlayer() {};
// setup
void setSampleRate(unsigned long rate);
bool Load(const midi_container & midi_file, unsigned subsong, unsigned loop_mode, unsigned clean_flags);
unsigned long Play(float * out, unsigned long count);
void Seek(unsigned long sample);
protected:
virtual void send_event(uint32_t b) {}
virtual void render(float * out, unsigned long count) {}
virtual void shutdown() {};
virtual bool startup() {return false;}
unsigned long uSampleRate;
system_exclusive_table mSysexMap;
private:
unsigned long uSamplesRemaining;
unsigned uLoopMode;
std::vector<midi_stream_event> mStream;
unsigned long uStreamPosition;
unsigned long uTimeCurrent;
unsigned long uTimeEnd;
unsigned long uStreamLoopStart;
unsigned long uTimeLoopStart;
unsigned long uStreamEnd;
};
#endif