stream_player.h

/*************************************************************************/
/*  stream_player.h                                                      */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
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#ifndef STREAM_PLAYER_H
#define STREAM_PLAYER_H

#include "scene/resources/audio_stream.h"
#include "scene/main/node.h"
#include "servers/audio/audio_rb_resampler.h"

class StreamPlayer : public Node {

    OBJ_TYPE(StreamPlayer,Node);

    //_THREAD_SAFE_CLASS_

    struct InternalStream : public AudioServer::AudioStream {
        StreamPlayer *player;
        virtual int get_channel_count() const;
        virtual void set_mix_rate(int p_rate); //notify the stream of the mix rate
        virtual bool mix(int32_t *p_buffer,int p_frames);
        virtual void update();
    };


    InternalStream internal_stream;
    Ref<AudioStreamPlayback> playback;
    Ref<AudioStream> stream;

    int sp_get_channel_count() const;
    void sp_set_mix_rate(int p_rate); //notify the stream of the mix rate
    bool sp_mix(int32_t *p_buffer,int p_frames);
    void sp_update();

    int server_mix_rate;

    RID stream_rid;
    bool paused;
    bool autoplay;
    bool loops;
    float volume;
    float loop_point;
    int buffering_ms;
    volatile bool stop_request;
    float resume_pos;

    AudioRBResampler resampler;

    bool _play;
    void _set_play(bool p_play);
    bool _get_play() const;
protected:
    void _notification(int p_what);

    static void _bind_methods();
public:

    void set_stream(const Ref<AudioStream> &p_stream);
    Ref<AudioStream> get_stream() const;

    void play(float p_from_offset=0);
    void stop();
    bool is_playing() const;

    void set_paused(bool p_paused);
    bool is_paused() const;

    void set_loop(bool p_enable);
    bool has_loop() const;

    void set_volume(float p_vol);
    float get_volume() const;

    void set_loop_restart_time(float p_secs);
    float get_loop_restart_time() const;

    void set_volume_db(float p_db);
    float get_volume_db() const;

    String get_stream_name() const;

    int get_loop_count() const;

    float get_pos() const;
    void seek_pos(float p_time);
    float get_length() const;
    void set_autoplay(bool p_vol);
    bool has_autoplay() const;

    void set_buffering_msec(int p_msec);
    int get_buffering_msec() const;

    StreamPlayer();
    ~StreamPlayer();
};

#endif // AUDIO_STREAM_PLAYER_H