126 lines
2.9 KiB
C++
126 lines
2.9 KiB
C++
#ifndef AUDIOEFFECTFILTER_H
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#define AUDIOEFFECTFILTER_H
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#include "servers/audio/audio_effect.h"
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#include "servers/audio/audio_filter_sw.h"
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class AudioEffectFilter;
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class AudioEffectFilterInstance : public AudioEffectInstance {
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GDCLASS(AudioEffectFilterInstance,AudioEffectInstance)
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friend class AudioEffectFilter;
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Ref<AudioEffectFilter> base;
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AudioFilterSW filter;
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AudioFilterSW::Processor filter_process[2][4];
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template<int S>
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void _process_filter(const AudioFrame *p_src_frames,AudioFrame *p_dst_frames,int p_frame_count);
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public:
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virtual void process(const AudioFrame *p_src_frames,AudioFrame *p_dst_frames,int p_frame_count);
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AudioEffectFilterInstance();
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};
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class AudioEffectFilter : public AudioEffect {
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GDCLASS(AudioEffectFilter,AudioEffect)
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public:
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enum FilterDB {
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FILTER_6DB,
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FILTER_12DB,
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FILTER_18DB,
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FILTER_24DB,
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};
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friend class AudioEffectFilterInstance;
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AudioFilterSW::Mode mode;
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float cutoff;
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float resonance;
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float gain;
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FilterDB db;
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protected:
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static void _bind_methods();
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public:
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void set_cutoff(float p_freq);
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float get_cutoff() const;
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void set_resonance(float p_amount);
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float get_resonance() const;
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void set_gain(float p_amount);
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float get_gain() const;
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void set_db(FilterDB p_db);
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FilterDB get_db() const;
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Ref<AudioEffectInstance> instance();
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AudioEffectFilter(AudioFilterSW::Mode p_mode=AudioFilterSW::LOWPASS);
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};
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VARIANT_ENUM_CAST(AudioEffectFilter::FilterDB)
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class AudioEffectLowPassFilter : public AudioEffectFilter {
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GDCLASS(AudioEffectLowPassFilter,AudioEffectFilter)
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public:
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AudioEffectLowPassFilter() : AudioEffectFilter(AudioFilterSW::LOWPASS) {}
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};
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class AudioEffectHighPassFilter : public AudioEffectFilter {
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GDCLASS(AudioEffectHighPassFilter,AudioEffectFilter)
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public:
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AudioEffectHighPassFilter() : AudioEffectFilter(AudioFilterSW::HIGHPASS) {}
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};
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class AudioEffectBandPassFilter : public AudioEffectFilter {
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GDCLASS(AudioEffectBandPassFilter,AudioEffectFilter)
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public:
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AudioEffectBandPassFilter() : AudioEffectFilter(AudioFilterSW::BANDPASS) {}
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};
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class AudioEffectNotchFilter : public AudioEffectFilter {
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GDCLASS(AudioEffectNotchFilter,AudioEffectFilter)
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public:
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AudioEffectNotchFilter() : AudioEffectFilter(AudioFilterSW::NOTCH) {}
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};
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class AudioEffectBandLimitFilter : public AudioEffectFilter {
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GDCLASS(AudioEffectBandLimitFilter,AudioEffectFilter)
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public:
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AudioEffectBandLimitFilter() : AudioEffectFilter(AudioFilterSW::BANDLIMIT) {}
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};
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class AudioEffectLowShelfFilter : public AudioEffectFilter {
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GDCLASS(AudioEffectLowShelfFilter,AudioEffectFilter)
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public:
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AudioEffectLowShelfFilter() : AudioEffectFilter(AudioFilterSW::LOWSHELF) {}
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};
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class AudioEffectHighShelfFilter : public AudioEffectFilter {
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GDCLASS(AudioEffectHighShelfFilter,AudioEffectFilter)
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public:
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AudioEffectHighShelfFilter() : AudioEffectFilter(AudioFilterSW::HIGHSHELF) {}
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};
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#endif // AUDIOEFFECTFILTER_H
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