/*************************************************************************/ /* audio_server_sw.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 AUDIO_SERVER_SW_H #define AUDIO_SERVER_SW_H #include "servers/audio_server.h" #include "servers/audio/audio_mixer_sw.h" #include "servers/audio/voice_rb_sw.h" #include "self_list.h" #include "os/thread_safe.h" #include "os/thread.h" class AudioServerSW : public AudioServer { OBJ_TYPE( AudioServerSW, AudioServer ); _THREAD_SAFE_CLASS_ enum { INTERNAL_BUFFER_SIZE=4096, STREAM_SCALE_BITS=12 }; SampleManagerSW *sample_manager; AudioMixerSW *mixer; virtual AudioMixer *get_mixer(); virtual void audio_mixer_chunk_callback(int p_frames); struct Voice { float volume; volatile bool active; SelfList active_item; AudioMixer::ChannelID channel; Voice () : active_item(this) { channel=AudioMixer::INVALID_CHANNEL; active=false;} }; mutable RID_Owner voice_owner; SelfList::List active_list; struct Stream { bool active; List::Element *E; AudioStream *audio_stream; EventStream *event_stream; float volume_scale; }; List active_audio_streams; //List event_streams; int32_t * internal_buffer; int internal_buffer_channels; int32_t * stream_buffer; mutable RID_Owner stream_owner; float stream_volume; float stream_volume_scale; float fx_volume_scale; float event_voice_volume_scale; float peak_left,peak_right; uint32_t max_peak; double _output_delay; VoiceRBSW voice_rb; bool exit_update_thread; Thread *thread; static void _thread_func(void *self); void _update_streams(bool p_thread); void driver_process_chunk(int p_frames,int32_t *p_buffer); AudioMixerSW::InterpolationType mixer_interp; bool mixer_use_fx; uint64_t mixer_step_usecs; static void _mixer_callback(void *p_udata); friend class AudioDriverSW; void driver_process(int p_frames,int32_t *p_buffer); public: /* 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; 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; const void* sample_get_data_ptr(RID p_sample) const; virtual void sample_set_data(RID p_sample, const DVector& p_buffer); virtual DVector 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; virtual void free(RID p_id); virtual void init(); virtual void finish(); virtual void update(); virtual void lock(); virtual void unlock(); virtual int get_default_channel_count() const; virtual int get_default_mix_rate() const; void set_mixer_params(AudioMixerSW::InterpolationType p_interp, bool p_use_fx); 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; virtual double get_mix_time() const; //useful for video -> audio sync virtual double get_output_delay() const; AudioServerSW(SampleManagerSW *p_sample_manager); ~AudioServerSW(); }; class AudioDriverSW { static AudioDriverSW *singleton; uint64_t _last_mix_time; uint64_t _mix_amount; protected: void audio_server_process(int p_frames,int32_t *p_buffer,bool p_update_mix_time=true); void update_mix_time(int p_frames); public: double get_mix_time() const; //useful for video -> audio sync enum OutputFormat { OUTPUT_MONO, OUTPUT_STEREO, OUTPUT_QUAD, OUTPUT_5_1 }; static AudioDriverSW *get_singleton(); void set_singleton(); virtual const char* get_name() const=0; virtual Error init()=0; virtual void start()=0; virtual int get_mix_rate() const =0; virtual OutputFormat get_output_format() const=0; virtual void lock()=0; virtual void unlock()=0; virtual void finish()=0; virtual float get_latency() { return 0; } AudioDriverSW(); virtual ~AudioDriverSW() {}; }; class AudioDriverManagerSW { enum { MAX_DRIVERS=10 }; static AudioDriverSW *drivers[MAX_DRIVERS]; static int driver_count; public: static void add_driver(AudioDriverSW *p_driver); static int get_driver_count(); static AudioDriverSW *get_driver(int p_driver); }; #endif // AUDIO_SERVER_SW_H