Oops! Audio engine has vanished :D
This commit is contained in:
Juan Linietsky
@ -31,261 +31,171 @@
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#include "variant.h"
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#include "object.h"
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#include "audio_frame.h"
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#include "servers/audio/audio_effect.h"
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class AudioDriver {
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static AudioDriver *singleton;
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uint64_t _last_mix_time;
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uint64_t _mix_amount;
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class AudioMixer {
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protected:
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void audio_mixer_chunk_call(int p_frames);
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void audio_server_process(int p_frames,int32_t *p_buffer,bool p_update_mix_time=true);
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void update_mix_time(int p_frames);
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public:
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double get_mix_time() const; //useful for video -> audio sync
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enum SpeakerMode {
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SPEAKER_MODE_STEREO,
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SPEAKER_SURROUND_51,
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SPEAKER_SURROUND_71,
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};
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static AudioDriver *get_singleton();
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void set_singleton();
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virtual const char* get_name() const=0;
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virtual Error init()=0;
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virtual void start()=0;
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virtual int get_mix_rate() const =0;
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virtual SpeakerMode get_speaker_mode() const=0;
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virtual void lock()=0;
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virtual void unlock()=0;
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virtual void finish()=0;
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virtual float get_latency() { return 0; }
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AudioDriver();
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virtual ~AudioDriver() {}
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};
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class AudioDriverManager {
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enum {
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INVALID_CHANNEL=0xFFFFFFFF
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MAX_DRIVERS=10
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};
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typedef uint32_t ChannelID;
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static AudioDriver *drivers[MAX_DRIVERS];
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static int driver_count;
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public:
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/* CHANNEL API */
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enum FilterType {
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FILTER_NONE,
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FILTER_LOWPASS,
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FILTER_BANDPASS,
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FILTER_HIPASS,
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FILTER_NOTCH,
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FILTER_PEAK,
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FILTER_BANDLIMIT, ///< cutoff is LP resonace is HP
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FILTER_LOW_SHELF,
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FILTER_HIGH_SHELF
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};
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enum ReverbRoomType {
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REVERB_SMALL,
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REVERB_MEDIUM,
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REVERB_LARGE,
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REVERB_HALL,
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MAX_REVERBS
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};
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virtual ChannelID channel_alloc(RID p_sample)=0;
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virtual void channel_set_volume(ChannelID p_channel, float p_gain)=0;
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virtual void channel_set_pan(ChannelID p_channel, float p_pan, float p_depth=0,float height=0)=0; //pan and depth go from -1 to 1
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virtual void channel_set_filter(ChannelID p_channel, FilterType p_type, float p_cutoff, float p_resonance, float p_gain=1.0)=0;
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virtual void channel_set_chorus(ChannelID p_channel, float p_chorus )=0;
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virtual void channel_set_reverb(ChannelID p_channel, ReverbRoomType p_room_type, float p_reverb)=0;
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virtual void channel_set_mix_rate(ChannelID p_channel, int p_mix_rate)=0;
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virtual void channel_set_positional(ChannelID p_channel, bool p_positional)=0;
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virtual float channel_get_volume(ChannelID p_channel) const=0;
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virtual float channel_get_pan(ChannelID p_channel) const=0; //pan and depth go from -1 to 1
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virtual float channel_get_pan_depth(ChannelID p_channel) const=0; //pan and depth go from -1 to 1
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virtual float channel_get_pan_height(ChannelID p_channel) const=0; //pan and depth go from -1 to 1
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virtual FilterType channel_get_filter_type(ChannelID p_channel) const=0;
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virtual float channel_get_filter_cutoff(ChannelID p_channel) const=0;
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virtual float channel_get_filter_resonance(ChannelID p_channel) const=0;
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virtual float channel_get_filter_gain(ChannelID p_channel) const=0;
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virtual float channel_get_chorus(ChannelID p_channel) const=0;
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virtual ReverbRoomType channel_get_reverb_type(ChannelID p_channel) const=0;
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virtual float channel_get_reverb(ChannelID p_channel) const=0;
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virtual int channel_get_mix_rate(ChannelID p_channel) const=0;
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virtual bool channel_is_positional(ChannelID p_channel) const=0;
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virtual bool channel_is_valid(ChannelID p_channel) const=0;
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virtual void channel_free(ChannelID p_channel)=0;
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virtual void set_mixer_volume(float p_volume)=0;
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virtual ~AudioMixer() {}
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static void add_driver(AudioDriver *p_driver);
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static int get_driver_count();
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static AudioDriver *get_driver(int p_driver);
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};
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class AudioServer : public Object {
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GDCLASS( AudioServer, Object );
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GDCLASS( AudioServer, Object )
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public:
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enum BusMode {
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BUS_MODE_STEREO,
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BUS_MODE_SURROUND
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};
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static AudioServer *singleton;
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protected:
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friend class AudioStream;
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friend class EventStream;
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friend class AudioMixer;
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//re-expose this her, as AudioDriver is not exposed to script
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enum SpeakerMode {
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SPEAKER_MODE_STEREO,
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SPEAKER_SURROUND_51,
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SPEAKER_SURROUND_71,
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};
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private:
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uint32_t buffer_size;
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struct Bus {
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String name;
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BusMode mode;
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Vector<AudioFrame> buffer;
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struct Effect {
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Ref<AudioEffect> effect;
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Ref<AudioEffectInstance> instance;
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bool enabled;
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};
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Vector<Effect> effects;
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float volume_db;
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};
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Vector<Bus> buses;
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virtual AudioMixer *get_mixer()=0;
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virtual void audio_mixer_chunk_callback(int p_frames)=0;
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static void _bind_methods();
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static AudioServer* singleton;
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public:
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class EventStream {
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protected:
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AudioMixer *get_mixer() const;
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public:
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virtual void update(uint64_t p_usec)=0;
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void set_bus_count(int p_count);
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int get_bus_count() const;
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virtual ~EventStream() {}
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};
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void set_bus_mode(int p_bus,BusMode p_mode);
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BusMode get_bus_mode(int p_bus) const;
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class AudioStream {
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public:
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virtual int get_channel_count() const=0;
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virtual void set_mix_rate(int p_rate)=0; //notify the stream of the mix rate
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virtual bool mix(int32_t *p_buffer,int p_frames)=0;
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virtual void update()=0;
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virtual bool can_update_mt() const { return true; }
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virtual ~AudioStream() {}
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};
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void set_bus_name(int p_bus,const String& p_name);
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String get_bus_name(int p_bus) const;
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void set_bus_volume_db(int p_bus,float p_volume_db);
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float get_bus_volume_db(int p_bus) const;
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enum SampleFormat {
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void add_bus_effect(int p_bus,const Ref<AudioEffect>& p_effect,int p_at_pos=-1);
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void remove_bus_effect(int p_bus,int p_effect);
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SAMPLE_FORMAT_PCM8,
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SAMPLE_FORMAT_PCM16,
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SAMPLE_FORMAT_IMA_ADPCM
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};
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int get_bus_effect_count(int p_bus);
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Ref<AudioEffect> get_bus_effect(int p_bus,int p_effect);
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enum SampleLoopFormat {
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SAMPLE_LOOP_NONE,
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SAMPLE_LOOP_FORWARD,
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SAMPLE_LOOP_PING_PONG // not supported in every platform
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void swap_bus_effects(int p_bus,int p_effect,int p_by_effect);
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};
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void set_bus_effect_enabled(int p_bus,int p_effect,bool p_enabled);
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bool is_bus_effect_enabled(int p_bus,int p_effect) const;
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/* SAMPLE API */
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virtual RID sample_create(SampleFormat p_format, bool p_stereo, int p_length)=0;
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virtual void sample_set_description(RID p_sample, const String& p_description)=0;
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virtual String sample_get_description(RID p_sample) const=0;
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virtual SampleFormat sample_get_format(RID p_sample) const=0;
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virtual bool sample_is_stereo(RID p_sample) const=0;
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virtual int sample_get_length(RID p_sample) const=0;
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virtual const void* sample_get_data_ptr(RID p_sample) const=0;
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virtual void sample_set_signed_data(RID p_sample, const PoolVector<float>& p_buffer);
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virtual void sample_set_data(RID p_sample, const PoolVector<uint8_t>& p_buffer)=0;
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virtual PoolVector<uint8_t> sample_get_data(RID p_sample) const=0;
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virtual void sample_set_mix_rate(RID p_sample,int p_rate)=0;
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virtual int sample_get_mix_rate(RID p_sample) const=0;
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virtual void sample_set_loop_format(RID p_sample,SampleLoopFormat p_format)=0;
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virtual SampleLoopFormat sample_get_loop_format(RID p_sample) const=0;
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virtual void sample_set_loop_begin(RID p_sample,int p_pos)=0;
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virtual int sample_get_loop_begin(RID p_sample) const=0;
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virtual void sample_set_loop_end(RID p_sample,int p_pos)=0;
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virtual int sample_get_loop_end(RID p_sample) const=0;
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/* VOICE API */
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enum FilterType {
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FILTER_NONE,
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FILTER_LOWPASS,
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FILTER_BANDPASS,
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FILTER_HIPASS,
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FILTER_NOTCH,
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FILTER_PEAK,
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FILTER_BANDLIMIT, ///< cutoff is LP resonace is HP
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FILTER_LOW_SHELF,
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FILTER_HIGH_SHELF
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};
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enum ReverbRoomType {
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REVERB_SMALL,
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REVERB_MEDIUM,
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REVERB_LARGE,
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REVERB_HALL
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};
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virtual RID voice_create()=0;
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virtual void voice_play(RID p_voice, RID p_sample)=0;
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virtual void voice_set_volume(RID p_voice, float p_volume)=0;
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virtual void voice_set_pan(RID p_voice, float p_pan, float p_depth=0,float height=0)=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)=0;
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virtual void voice_set_chorus(RID p_voice, float p_chorus )=0;
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virtual void voice_set_reverb(RID p_voice, ReverbRoomType p_room_type, float p_reverb)=0;
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virtual void voice_set_mix_rate(RID p_voice, int p_mix_rate)=0;
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virtual void voice_set_positional(RID p_voice, bool p_positional)=0;
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virtual float voice_get_volume(RID p_voice) const=0;
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virtual float voice_get_pan(RID p_voice) const=0; //pan and depth go from -1 to 1
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virtual float voice_get_pan_depth(RID p_voice) const=0; //pan and depth go from -1 to 1
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virtual float voice_get_pan_height(RID p_voice) const=0; //pan and depth go from -1 to 1
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virtual FilterType voice_get_filter_type(RID p_voice) const=0;
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virtual float voice_get_filter_cutoff(RID p_voice) const=0;
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virtual float voice_get_filter_resonance(RID p_voice) const=0;
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virtual float voice_get_chorus(RID p_voice) const=0;
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virtual ReverbRoomType voice_get_reverb_type(RID p_voice) const=0;
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virtual float voice_get_reverb(RID p_voice) const=0;
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virtual int voice_get_mix_rate(RID p_voice) const=0;
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virtual bool voice_is_positional(RID p_voice) const=0;
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virtual void voice_stop(RID p_voice)=0;
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virtual bool voice_is_active(RID p_voice) const=0;
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/* STREAM API */
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virtual RID audio_stream_create(AudioStream *p_stream)=0;
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virtual RID event_stream_create(EventStream *p_stream)=0;
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virtual void stream_set_active(RID p_stream, bool p_active)=0;
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virtual bool stream_is_active(RID p_stream) const=0;
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virtual void stream_set_volume_scale(RID p_stream, float p_scale)=0;
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virtual float stream_set_volume_scale(RID p_stream) const=0;
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/* Audio Physics API */
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virtual void free(RID p_id)=0;
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virtual void init()=0;
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virtual void finish()=0;
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virtual void update()=0;
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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()=0;
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virtual void unlock()=0;
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virtual int get_default_channel_count() const=0;
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virtual int get_default_mix_rate() const=0;
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virtual void lock();
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virtual void unlock();
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virtual void set_stream_global_volume_scale(float p_volume)=0;
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virtual void set_fx_global_volume_scale(float p_volume)=0;
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virtual void set_event_voice_global_volume_scale(float p_volume)=0;
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virtual float get_stream_global_volume_scale() const=0;
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virtual float get_fx_global_volume_scale() const=0;
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virtual float get_event_voice_global_volume_scale() const=0;
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virtual SpeakerMode get_speaker_mode() const;
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virtual float get_mix_rate() const;
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virtual uint32_t read_output_peak() const=0;
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virtual float read_output_peak_db() const;
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static AudioServer *get_singleton();
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virtual double get_mix_time() const=0; //useful for video -> audio sync
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virtual double get_output_delay() const=0;
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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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AudioServer();
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virtual ~AudioServer();
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};
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VARIANT_ENUM_CAST( AudioServer::SampleFormat );
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VARIANT_ENUM_CAST( AudioServer::SampleLoopFormat );
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VARIANT_ENUM_CAST( AudioServer::FilterType );
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VARIANT_ENUM_CAST( AudioServer::ReverbRoomType );
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VARIANT_ENUM_CAST( AudioServer::BusMode )
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VARIANT_ENUM_CAST( AudioServer::SpeakerMode )
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typedef AudioServer AS;
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#endif // AUDIO_SERVER_H
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