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			220 lines
		
	
	
	
		
			7.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			220 lines
		
	
	
	
		
			7.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*************************************************************************/
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| /*  audio_server_javascript.h                                            */
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| /*************************************************************************/
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| /*                       This file is part of:                           */
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| /*                           GODOT ENGINE                                */
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| /*                    http://www.godotengine.org                         */
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| /*************************************************************************/
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| /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
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| /* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
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| /*                                                                       */
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| /* Permission is hereby granted, free of charge, to any person obtaining */
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| /* a copy of this software and associated documentation files (the       */
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| /* "Software"), to deal in the Software without restriction, including   */
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| /* without limitation the rights to use, copy, modify, merge, publish,   */
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| /* distribute, sublicense, and/or sell copies of the Software, and to    */
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| /* permit persons to whom the Software is furnished to do so, subject to */
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| /* the following conditions:                                             */
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| /*                                                                       */
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| /* The above copyright notice and this permission notice shall be        */
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| /* included in all copies or substantial portions of the Software.       */
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| /*                                                                       */
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| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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| /*************************************************************************/
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| #ifndef AUDIO_SERVER_JAVASCRIPT_H
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| #define AUDIO_SERVER_JAVASCRIPT_H
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| 
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| #include "servers/audio_server.h"
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| 
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| class AudioServerJavascript : public AudioServer {
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| 
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| 	OBJ_TYPE(AudioServerJavascript, AudioServer);
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| 
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| 	enum {
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| 		INTERNAL_BUFFER_SIZE = 4096,
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| 		STREAM_SCALE_BITS = 12
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| 
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| 	};
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| 
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| 	AudioMixer *get_mixer();
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| 	void audio_mixer_chunk_callback(int p_frames);
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| 
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| 	struct Sample {
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| 		SampleFormat format;
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| 		SampleLoopFormat loop_format;
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| 		int loop_begin;
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| 		int loop_end;
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| 		int length;
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| 		int index;
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| 		int mix_rate;
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| 		bool stereo;
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| 
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| 		Vector<float> tmp_data;
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| 	};
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| 
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| 	mutable RID_Owner<Sample> sample_owner;
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| 	int sample_base;
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| 
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| 	struct Voice {
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| 		int index;
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| 		float volume;
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| 		float pan;
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| 		float pan_depth;
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| 		float pan_height;
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| 
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| 		float chorus;
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| 		ReverbRoomType reverb_type;
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| 		float reverb;
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| 
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| 		int mix_rate;
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| 		int sample_mix_rate;
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| 		bool positional;
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| 
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| 		bool active;
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| 	};
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| 
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| 	mutable RID_Owner<Voice> voice_owner;
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| 
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| 	int voice_base;
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| 
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| 	struct Stream {
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| 		bool active;
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| 		List<Stream *>::Element *E;
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| 		AudioStream *audio_stream;
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| 		EventStream *event_stream;
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| 		float volume_scale;
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| 	};
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| 
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| 	List<Stream *> active_audio_streams;
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| 
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| 	//List<Stream*> event_streams;
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| 
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| 	float *internal_buffer;
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| 	int internal_buffer_channels;
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| 	int32_t *stream_buffer;
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| 
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| 	mutable RID_Owner<Stream> stream_owner;
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| 
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| 	float stream_volume;
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| 	float stream_volume_scale;
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| 
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| 	float event_voice_scale;
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| 	float fx_volume_scale;
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| 
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| 	void driver_process_chunk(int p_frames);
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| 
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| 	int webaudio_mix_rate;
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| 
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| 	static AudioServerJavascript *singleton;
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| 
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| public:
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| 	void mix_to_js(int p_frames);
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| 	/* SAMPLE API */
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| 
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| 	virtual RID sample_create(SampleFormat p_format, bool p_stereo, int p_length);
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| 
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| 	virtual void sample_set_description(RID p_sample, const String &p_description);
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| 	virtual String sample_get_description(RID p_sample) const;
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| 
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| 	virtual SampleFormat sample_get_format(RID p_sample) const;
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| 	virtual bool sample_is_stereo(RID p_sample) const;
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| 	virtual int sample_get_length(RID p_sample) const;
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| 	virtual const void *sample_get_data_ptr(RID p_sample) const;
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| 
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| 	virtual void sample_set_data(RID p_sample, const DVector<uint8_t> &p_buffer);
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| 	virtual DVector<uint8_t> sample_get_data(RID p_sample) const;
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| 
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| 	virtual void sample_set_mix_rate(RID p_sample, int p_rate);
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| 	virtual int sample_get_mix_rate(RID p_sample) const;
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| 
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| 	virtual void sample_set_loop_format(RID p_sample, SampleLoopFormat p_format);
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| 	virtual SampleLoopFormat sample_get_loop_format(RID p_sample) const;
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| 
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| 	virtual void sample_set_loop_begin(RID p_sample, int p_pos);
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| 	virtual int sample_get_loop_begin(RID p_sample) const;
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| 
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| 	virtual void sample_set_loop_end(RID p_sample, int p_pos);
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| 	virtual int sample_get_loop_end(RID p_sample) const;
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| 
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| 	/* VOICE API */
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| 
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| 	virtual RID voice_create();
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| 
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| 	virtual void voice_play(RID p_voice, RID p_sample);
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| 
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| 	virtual void voice_set_volume(RID p_voice, float p_volume);
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| 	virtual void voice_set_pan(RID p_voice, float p_pan, float p_depth = 0, float height = 0); //pan and depth go from -1 to 1
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| 	virtual void voice_set_filter(RID p_voice, FilterType p_type, float p_cutoff, float p_resonance, float p_gain = 0);
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| 	virtual void voice_set_chorus(RID p_voice, float p_chorus);
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| 	virtual void voice_set_reverb(RID p_voice, ReverbRoomType p_room_type, float p_reverb);
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| 	virtual void voice_set_mix_rate(RID p_voice, int p_mix_rate);
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| 	virtual void voice_set_positional(RID p_voice, bool p_positional);
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| 
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| 	virtual float voice_get_volume(RID p_voice) const;
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| 	virtual float voice_get_pan(RID p_voice) const; //pan and depth go from -1 to 1
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| 	virtual float voice_get_pan_depth(RID p_voice) const; //pan and depth go from -1 to 1
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| 	virtual float voice_get_pan_height(RID p_voice) const; //pan and depth go from -1 to 1
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| 	virtual FilterType voice_get_filter_type(RID p_voice) const;
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| 	virtual float voice_get_filter_cutoff(RID p_voice) const;
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| 	virtual float voice_get_filter_resonance(RID p_voice) const;
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| 	virtual float voice_get_chorus(RID p_voice) const;
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| 	virtual ReverbRoomType voice_get_reverb_type(RID p_voice) const;
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| 	virtual float voice_get_reverb(RID p_voice) const;
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| 
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| 	virtual int voice_get_mix_rate(RID p_voice) const;
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| 	virtual bool voice_is_positional(RID p_voice) const;
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| 
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| 	virtual void voice_stop(RID p_voice);
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| 	virtual bool voice_is_active(RID p_voice) const;
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| 
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| 	/* STREAM API */
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| 
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| 	virtual RID audio_stream_create(AudioStream *p_stream);
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| 	virtual RID event_stream_create(EventStream *p_stream);
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| 
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| 	virtual void stream_set_active(RID p_stream, bool p_active);
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| 	virtual bool stream_is_active(RID p_stream) const;
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| 
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| 	virtual void stream_set_volume_scale(RID p_stream, float p_scale);
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| 	virtual float stream_set_volume_scale(RID p_stream) const;
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| 
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| 	/* Audio Physics API */
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| 
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| 	virtual void free(RID p_id);
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| 
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| 	virtual void init();
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| 	virtual void finish();
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| 	virtual void update();
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| 
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| 	/* MISC config */
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| 
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| 	virtual void lock();
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| 	virtual void unlock();
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| 	virtual int get_default_channel_count() const;
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| 	virtual int get_default_mix_rate() const;
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| 
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| 	virtual void set_stream_global_volume_scale(float p_volume);
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| 	virtual void set_fx_global_volume_scale(float p_volume);
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| 	virtual void set_event_voice_global_volume_scale(float p_volume);
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| 
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| 	virtual float get_stream_global_volume_scale() const;
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| 	virtual float get_fx_global_volume_scale() const;
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| 	virtual float get_event_voice_global_volume_scale() const;
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| 
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| 	virtual uint32_t read_output_peak() const;
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| 
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| 	static AudioServer *get_singleton();
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| 
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| 	virtual double get_mix_time() const; //useful for video -> audio sync
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| 	virtual double get_output_delay() const;
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| 
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| 	AudioServerJavascript();
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| };
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| 
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| #endif // AUDIO_SERVER_JAVASCRIPT_H
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