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#pragma once
#include <boost/scoped_ptr.hpp>
#include <boost/thread/thread.hpp>
class Audio;
class Database;
class VocalTrack;
/// performous engine
class Engine {
Audio& m_audio;
double m_time;
volatile bool m_quit;
Database& m_database;
boost::scoped_ptr<boost::thread> m_thread;
public:
typedef std::vector<VocalTrack*> VocalTrackPtrs;
static const double TIMESTEP; ///< The duration of one engine time step in seconds
/// Construct an engine thread with vocal tracks and players specified by parameters
Engine(Audio& audio, VocalTrackPtrs vocals, Database& database);
~Engine() { kill(); }
/// Terminates processing
void kill() { m_quit = true; m_thread->join(); }
/** Used internally for boost::thread. Do not call this yourself. (boost::thread requires this to be public). **/
void operator()();
};
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