/*
 * Copyright 2014 (c) Anna Schumaker.
 */

#include <string>

static const unsigned long O_SECOND = 1000000000;


class Driver {
protected:
	void (*on_eos)();
	void (*on_error)();

public:
	Driver();
	~Driver();
	virtual void init(int *, char ***, void (*)(), void (*)()) = 0;

	virtual void load(const std::string &) = 0;
	virtual bool play() = 0;
	virtual bool pause() = 0;
	virtual bool is_playing() = 0;

	virtual void seek_to(long) = 0;
	virtual long position() = 0;
	virtual long duration() = 0;
};


#ifdef CONFIG_TEST
class TestDriver : public Driver
{
public:
	bool playing;
	long cur_pos;
	long cur_duration;
	std::string cur_file;

	TestDriver();
	~TestDriver();
	void init(int *, char ***, void (*)(), void (*)());

	void load(const std::string &);
	bool play();
	bool pause();
	bool is_playing();

	void seek_to(long);
	long position();
	long duration();

	void eos();
	void error();
};
#else /* !CONFIG_TEST */

#include <gst/gst.h>

class GSTDriver : public Driver
{
private:
	GstElement *player;
	std::string cur_file;
	bool change_state(GstState state);

public:
	GSTDriver();
	~GSTDriver();
	void init(int *, char ***, void (*)(), void (*)());

	void load(const std::string &);
	bool play();
	bool pause();
	bool is_playing();

	void seek_to(long);
	long position();
	long duration();

	void on_message(GstMessage *);
};
#endif /* CONFIG_TEST */


namespace driver
{

	Driver *get_driver();

}