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#ifndef AUDIO_SERVER_JAVASCRIPT_H
#define AUDIO_SERVER_JAVASCRIPT_H
#include "servers/audio_server.h"
class AudioServerJavascript : public AudioServer {
OBJ_TYPE(AudioServerJavascript,AudioServer);
enum {
INTERNAL_BUFFER_SIZE=4096,
STREAM_SCALE_BITS=12
};
AudioMixer *get_mixer();
void audio_mixer_chunk_callback(int p_frames);
struct Sample {
SampleFormat format;
SampleLoopFormat loop_format;
int loop_begin;
int loop_end;
int length;
int index;
int mix_rate;
bool stereo;
Vector<float> tmp_data;
};
mutable RID_Owner<Sample> sample_owner;
int sample_base;
struct Voice {
int index;
float volume;
float pan;
float pan_depth;
float pan_height;
float chorus;
ReverbRoomType reverb_type;
float reverb;
int mix_rate;
int sample_mix_rate;
bool positional;
bool active;
};
mutable RID_Owner<Voice> voice_owner;
int voice_base;
struct Stream {
bool active;
List<Stream*>::Element *E;
AudioStream *audio_stream;
EventStream *event_stream;
float volume_scale;
};
List<Stream*> active_audio_streams;
//List<Stream*> event_streams;
float * internal_buffer;
int internal_buffer_channels;
int32_t * stream_buffer;
mutable RID_Owner<Stream> stream_owner;
float stream_volume;
float stream_volume_scale;
float event_voice_scale;
float fx_volume_scale;
void driver_process_chunk(int p_frames);
int webaudio_mix_rate;
static AudioServerJavascript *singleton;
public:
void mix_to_js(int p_frames);
/* SAMPLE API */
virtual RID sample_create(SampleFormat p_format, bool p_stereo, int p_length);
virtual void sample_set_description(RID p_sample, const String& p_description);
virtual String sample_get_description(RID p_sample, const String& p_description) const;
virtual SampleFormat sample_get_format(RID p_sample) const;
virtual bool sample_is_stereo(RID p_sample) const;
virtual int sample_get_length(RID p_sample) const;
virtual const void* sample_get_data_ptr(RID p_sample) const;
virtual void sample_set_data(RID p_sample, const DVector<uint8_t>& p_buffer);
virtual const DVector<uint8_t> sample_get_data(RID p_sample) const;
virtual void sample_set_mix_rate(RID p_sample,int p_rate);
virtual int sample_get_mix_rate(RID p_sample) const;
virtual void sample_set_loop_format(RID p_sample,SampleLoopFormat p_format);
virtual SampleLoopFormat sample_get_loop_format(RID p_sample) const;
virtual void sample_set_loop_begin(RID p_sample,int p_pos);
virtual int sample_get_loop_begin(RID p_sample) const;
virtual void sample_set_loop_end(RID p_sample,int p_pos);
virtual int sample_get_loop_end(RID p_sample) const;
/* VOICE API */
virtual RID voice_create();
virtual void voice_play(RID p_voice, RID p_sample);
virtual void voice_set_volume(RID p_voice, float p_volume);
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
virtual void voice_set_filter(RID p_voice, FilterType p_type, float p_cutoff, float p_resonance, float p_gain=0);
virtual void voice_set_chorus(RID p_voice, float p_chorus );
virtual void voice_set_reverb(RID p_voice, ReverbRoomType p_room_type, float p_reverb);
virtual void voice_set_mix_rate(RID p_voice, int p_mix_rate);
virtual void voice_set_positional(RID p_voice, bool p_positional);
virtual float voice_get_volume(RID p_voice) const;
virtual float voice_get_pan(RID p_voice) const; //pan and depth go from -1 to 1
virtual float voice_get_pan_depth(RID p_voice) const; //pan and depth go from -1 to 1
virtual float voice_get_pan_height(RID p_voice) const; //pan and depth go from -1 to 1
virtual FilterType voice_get_filter_type(RID p_voice) const;
virtual float voice_get_filter_cutoff(RID p_voice) const;
virtual float voice_get_filter_resonance(RID p_voice) const;
virtual float voice_get_chorus(RID p_voice) const;
virtual ReverbRoomType voice_get_reverb_type(RID p_voice) const;
virtual float voice_get_reverb(RID p_voice) const;
virtual int voice_get_mix_rate(RID p_voice) const;
virtual bool voice_is_positional(RID p_voice) const;
virtual void voice_stop(RID p_voice);
virtual bool voice_is_active(RID p_voice) const;
/* STREAM API */
virtual RID audio_stream_create(AudioStream *p_stream);
virtual RID event_stream_create(EventStream *p_stream);
virtual void stream_set_active(RID p_stream, bool p_active);
virtual bool stream_is_active(RID p_stream) const;
virtual void stream_set_volume_scale(RID p_stream, float p_scale);
virtual float stream_set_volume_scale(RID p_stream) const;
/* Audio Physics API */
virtual void free(RID p_id);
virtual void init();
virtual void finish();
virtual void update();
/* MISC config */
virtual void lock();
virtual void unlock();
virtual int get_default_channel_count() const;
virtual int get_default_mix_rate() const;
virtual void set_stream_global_volume_scale(float p_volume);
virtual void set_fx_global_volume_scale(float p_volume);
virtual void set_event_voice_global_volume_scale(float p_volume);
virtual float get_stream_global_volume_scale() const;
virtual float get_fx_global_volume_scale() const;
virtual float get_event_voice_global_volume_scale() const;
virtual uint32_t read_output_peak() const;
static AudioServer *get_singleton();
virtual double get_mix_time() const; //useful for video -> audio sync
virtual double get_output_delay() const;
AudioServerJavascript();
};
#endif // AUDIO_SERVER_JAVASCRIPT_H
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