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/*************************************************************************/
/* event_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 EVENT_STREAM_H
#define EVENT_STREAM_H
#include "resource.h"
#include "servers/audio_server.h"
class EventStreamPlayback : public Reference {
GDCLASS(EventStreamPlayback,Reference);
class InternalEventStream : public AudioServer::EventStream {
public:
AudioMixer *_get_mixer(){ return get_mixer(); }
EventStreamPlayback *playback;
virtual void update(uint64_t p_usec) {
playback->_update(get_mixer(),p_usec);
}
virtual ~InternalEventStream() {}
};
InternalEventStream estream;
RID stream;
bool playing;
protected:
virtual AudioMixer* _get_mixer() { return estream._get_mixer(); }
virtual Error _play()=0;
virtual bool _update(AudioMixer* p_mixer, uint64_t p_usec)=0;
virtual void _stop()=0;
public:
virtual Error play();
virtual void stop();
virtual bool is_playing() const;
virtual void set_paused(bool p_paused)=0;
virtual bool is_paused() const=0;
virtual void set_loop(bool p_loop)=0;
virtual bool is_loop_enabled() const=0;
virtual int get_loop_count() const=0;
virtual float get_pos() const=0;
virtual void seek_pos(float p_time)=0;
virtual void set_volume(float p_vol)=0;
virtual float get_volume() const=0;
virtual void set_pitch_scale(float p_pitch_scale)=0;
virtual float get_pitch_scale() const=0;
virtual void set_tempo_scale(float p_tempo_scale)=0;
virtual float get_tempo_scale() const=0;
virtual void set_channel_volume(int p_channel,float p_volume)=0;
virtual float get_channel_volume(int p_channel) const=0;
virtual float get_last_note_time(int p_channel) const=0;
EventStreamPlayback();
~EventStreamPlayback();
};
class EventStream : public Resource {
GDCLASS(EventStream,Resource);
OBJ_SAVE_TYPE( EventStream ); //children are all saved as EventStream, so they can be exchanged
public:
virtual Ref<EventStreamPlayback> instance_playback()=0;
virtual String get_stream_name() const=0;
virtual float get_length() const=0;
virtual int get_channel_count() const=0;
EventStream();
};
#endif // EVENT_STREAM_H
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