5adfd1c43a
Previously we were inconsistent by generating code for enum definitions but not generating code for dictionaries. With future changes to the IDL generator to expose helpers to convert to and from IDL values this produced circular depdendencies. To solve this problem, also generate the dictionary definitions in bindings headers.
78 lines
3 KiB
C++
78 lines
3 KiB
C++
/*
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* Copyright (c) 2024, Noah Bright <noah.bright.1@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibJS/Forward.h>
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#include <LibWeb/Bindings/AnalyserNode.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/WebAudio/AudioNode.h>
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#include <LibWeb/WebIDL/Buffers.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::WebAudio {
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// https://webaudio.github.io/web-audio-api/#AnalyserNode
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class AnalyserNode : public AudioNode {
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WEB_PLATFORM_OBJECT(AnalyserNode, AudioNode);
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GC_DECLARE_ALLOCATOR(AnalyserNode);
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public:
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virtual ~AnalyserNode() override;
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virtual WebIDL::UnsignedLong number_of_inputs() override { return 1; }
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virtual WebIDL::UnsignedLong number_of_outputs() override { return 1; }
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WebIDL::ExceptionOr<void> get_float_frequency_data(GC::Root<JS::Float32Array> const&);
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WebIDL::ExceptionOr<void> get_byte_frequency_data(GC::Root<JS::Uint8Array> const&);
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WebIDL::ExceptionOr<void> get_float_time_domain_data(GC::Root<JS::Float32Array> const&);
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WebIDL::ExceptionOr<void> get_byte_time_domain_data(GC::Root<JS::Uint8Array> const&);
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unsigned long fft_size() const { return m_fft_size; }
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unsigned long frequency_bin_count() const { return m_fft_size / 2; }
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double max_decibels() const { return m_max_decibels; }
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double min_decibels() const { return m_min_decibels; }
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double smoothing_time_constant() const { return m_smoothing_time_constant; }
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WebIDL::ExceptionOr<void> set_fft_size(unsigned long);
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WebIDL::ExceptionOr<void> set_max_decibels(double);
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WebIDL::ExceptionOr<void> set_min_decibels(double);
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WebIDL::ExceptionOr<void> set_smoothing_time_constant(double);
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static WebIDL::ExceptionOr<GC::Ref<AnalyserNode>> create(JS::Realm&, GC::Ref<BaseAudioContext>, Bindings::AnalyserOptions const& = {});
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static WebIDL::ExceptionOr<GC::Ref<AnalyserNode>> construct_impl(JS::Realm&, GC::Ref<BaseAudioContext>, Bindings::AnalyserOptions const& = {});
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protected:
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AnalyserNode(JS::Realm&, GC::Ref<BaseAudioContext>, Bindings::AnalyserOptions const& = {});
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virtual void initialize(JS::Realm&) override;
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private:
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unsigned long m_fft_size;
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double m_max_decibels;
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double m_min_decibels;
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double m_smoothing_time_constant;
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// https://webaudio.github.io/web-audio-api/#current-frequency-data
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Vector<f32> current_frequency_data();
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// https://webaudio.github.io/web-audio-api/#current-time-domain-data
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Vector<f32> current_time_domain_data();
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// https://webaudio.github.io/web-audio-api/#blackman-window
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Vector<f32> apply_a_blackman_window(Vector<f32> const& x) const;
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// https://webaudio.github.io/web-audio-api/#smoothing-over-time
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Vector<f32> smoothing_over_time(Vector<f32> const& current_block);
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// https://webaudio.github.io/web-audio-api/#previous-block
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Vector<f32> m_previous_block;
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// https://webaudio.github.io/web-audio-api/#conversion-to-db
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Vector<f32> conversion_to_dB(Vector<f32> const& X_hat) const;
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};
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}
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