text: /*************************************************************************/
  /*  audio_stream.h                                                       */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                    http://www.godotengine.org                         */
  /*************************************************************************/
  /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
  /*                                                                       */
  /* 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:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  #ifndef AUDIO_STREAM_H
  #define AUDIO_STREAM_H
  
  #include "resource.h"
  #include "servers/audio_server.h"
  
  class AudioStreamPlayback : public Reference {
  
  	GDCLASS( 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 {
  
  	GDCLASS( 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
  