092f84642c
This argument is indeed expected to be a volume on a linear scale (not dB), typically from 0.0 to 1.0, though it can go higher than 1.0.
198 lines
5.3 KiB
C++
198 lines
5.3 KiB
C++
#ifndef AUDIO_SERVER_JAVASCRIPT_H
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#define AUDIO_SERVER_JAVASCRIPT_H
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#include "servers/audio_server.h"
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class AudioServerJavascript : public AudioServer {
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OBJ_TYPE(AudioServerJavascript,AudioServer);
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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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AudioMixer *get_mixer();
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void audio_mixer_chunk_callback(int p_frames);
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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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Vector<float> tmp_data;
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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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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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float chorus;
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ReverbRoomType reverb_type;
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float reverb;
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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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bool active;
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};
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mutable RID_Owner<Voice> voice_owner;
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int voice_base;
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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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List<Stream*> active_audio_streams;
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//List<Stream*> event_streams;
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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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mutable RID_Owner<Stream> stream_owner;
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float stream_volume;
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float stream_volume_scale;
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float event_voice_scale;
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float fx_volume_scale;
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void driver_process_chunk(int p_frames);
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int webaudio_mix_rate;
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static AudioServerJavascript *singleton;
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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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virtual RID sample_create(SampleFormat p_format, bool p_stereo, int p_length);
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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 String& p_description) const;
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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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virtual void sample_set_data(RID p_sample, const DVector<uint8_t>& p_buffer);
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virtual const DVector<uint8_t> sample_get_data(RID p_sample) const;
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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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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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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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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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/* VOICE API */
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virtual RID voice_create();
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virtual void voice_play(RID p_voice, RID p_sample);
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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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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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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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virtual void voice_stop(RID p_voice);
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virtual bool voice_is_active(RID p_voice) const;
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/* STREAM API */
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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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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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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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/* Audio Physics API */
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virtual void free(RID p_id);
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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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/* MISC config */
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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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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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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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virtual uint32_t read_output_peak() const;
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static AudioServer *get_singleton();
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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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AudioServerJavascript();
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};
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#endif // AUDIO_SERVER_JAVASCRIPT_H
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