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#pragma once
#include <audioinputenginemidi.h>
#include <midimapper.h>
#include <midimapparser.h>
#include <string>
#include <vector>
#include <event.h>
#include <smf.h>
class MidifileInputEngine
: public AudioInputEngineMidi
{
public:
MidifileInputEngine();
~MidifileInputEngine();
bool init(const Instruments& instruments) override;
void setParm(const std::string& parm, const std::string& value) override;
bool start() override;
void stop() override;
void pre() override;
void run(size_t pos, size_t len, std::vector<event_t>& events) override;
void post() override;
void setSampleRate(double sample_rate) override;
bool isFreewheeling() const override;
private:
smf_t* smf;
smf_event_t* current_event;
std::string midimap_filename;
std::string file;
float speed;
int track;
bool loop;
double offset, samplerate;
};
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