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Diffstat (limited to 'platform/javascript/audio_server_javascript.h')
| -rw-r--r-- | platform/javascript/audio_server_javascript.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/platform/javascript/audio_server_javascript.h b/platform/javascript/audio_server_javascript.h new file mode 100644 index 0000000000..450237d324 --- /dev/null +++ b/platform/javascript/audio_server_javascript.h @@ -0,0 +1,198 @@ +#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 |