1 /*************************************************************************/
2 /*  audio_stream.h                                                       */
3 /*************************************************************************/
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5 /*                           GODOT ENGINE                                */
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8 /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
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29 /*************************************************************************/
30 #ifndef AUDIO_STREAM_H
31 #define AUDIO_STREAM_H
32 
33 #include "resource.h"
34 #include "servers/audio_server.h"
35 
36 class AudioStreamPlayback : public Reference {
37 
38 	OBJ_TYPE(AudioStreamPlayback, Reference);
39 
40 protected:
41 	static void _bind_methods();
42 
43 public:
44 	virtual void play(float p_from_pos = 0) = 0;
45 	virtual void stop() = 0;
46 	virtual bool is_playing() const = 0;
47 
48 	virtual void set_loop(bool p_enable) = 0;
49 	virtual bool has_loop() const = 0;
50 
51 	virtual void set_loop_restart_time(float p_time) = 0;
52 
53 	virtual int get_loop_count() const = 0;
54 
55 	virtual float get_pos() const = 0;
56 	virtual void seek_pos(float p_time) = 0;
57 
58 	virtual int mix(int16_t *p_bufer, int p_frames) = 0;
59 
60 	virtual float get_length() const = 0;
61 	virtual String get_stream_name() const = 0;
62 
63 	virtual int get_channels() const = 0;
64 	virtual int get_mix_rate() const = 0;
65 	virtual int get_minimum_buffer_size() const = 0;
66 };
67 
68 class AudioStream : public Resource {
69 
70 	OBJ_TYPE(AudioStream, Resource);
71 	OBJ_SAVE_TYPE(AudioStream); //children are all saved as AudioStream, so they can be exchanged
72 
73 protected:
74 	static void _bind_methods();
75 
76 public:
77 	virtual Ref<AudioStreamPlayback> instance_playback() = 0;
78 };
79 
80 #endif // AUDIO_STREAM_H
81