/*************************************************************************/
/*  audio_stream.h                                                       */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
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/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/*************************************************************************/
#ifndef AUDIO_STREAM_H
#define AUDIO_STREAM_H

#include "resource.h"
#include "servers/audio_server.h"

class AudioStreamPlayback : public Reference {

	OBJ_TYPE(AudioStreamPlayback, Reference);

protected:
	static void _bind_methods();

public:
	virtual void play(float p_from_pos = 0) = 0;
	virtual void stop() = 0;
	virtual bool is_playing() const = 0;

	virtual void set_loop(bool p_enable) = 0;
	virtual bool has_loop() const = 0;

	virtual void set_loop_restart_time(float p_time) = 0;

	virtual int get_loop_count() const = 0;

	virtual float get_pos() const = 0;
	virtual void seek_pos(float p_time) = 0;

	virtual int mix(int16_t *p_bufer, int p_frames) = 0;

	virtual float get_length() const = 0;
	virtual String get_stream_name() const = 0;

	virtual int get_channels() const = 0;
	virtual int get_mix_rate() const = 0;
	virtual int get_minimum_buffer_size() const = 0;
};

class AudioStream : public Resource {

	OBJ_TYPE(AudioStream, Resource);
	OBJ_SAVE_TYPE(AudioStream); //children are all saved as AudioStream, so they can be exchanged

protected:
	static void _bind_methods();

public:
	virtual Ref<AudioStreamPlayback> instance_playback() = 0;
};

#endif // AUDIO_STREAM_H