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69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/*
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* Copyright (c) 2024, Bar Yemini <bar.ye651@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 <LibWeb/Bindings/AudioBufferSourceNodePrototype.h>
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#include <LibWeb/WebAudio/AudioBuffer.h>
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#include <LibWeb/WebAudio/AudioParam.h>
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#include <LibWeb/WebAudio/AudioScheduledSourceNode.h>
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namespace Web::WebAudio {
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// https://webaudio.github.io/web-audio-api/#AudioBufferSourceOptions
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struct AudioBufferSourceOptions : AudioNodeOptions {
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GC::Ptr<AudioBuffer> buffer;
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float detune { 0 };
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bool loop { false };
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double loop_end { 0 };
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double loop_start { 0 };
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float playback_rate { 1 };
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};
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// https://webaudio.github.io/web-audio-api/#AudioBufferSourceNode
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class AudioBufferSourceNode : public AudioScheduledSourceNode {
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WEB_PLATFORM_OBJECT(AudioBufferSourceNode, AudioScheduledSourceNode);
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GC_DECLARE_ALLOCATOR(AudioBufferSourceNode);
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public:
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virtual ~AudioBufferSourceNode() override;
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WebIDL::ExceptionOr<void> set_buffer(GC::Ptr<AudioBuffer>);
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GC::Ptr<AudioBuffer> buffer() const;
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GC::Ref<AudioParam> playback_rate() const;
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GC::Ref<AudioParam> detune() const;
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WebIDL::ExceptionOr<void> set_loop(bool);
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bool loop() const;
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WebIDL::ExceptionOr<void> set_loop_start(double);
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double loop_start() const;
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WebIDL::ExceptionOr<void> set_loop_end(double);
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double loop_end() const;
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WebIDL::UnsignedLong number_of_inputs() override { return 0; }
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WebIDL::UnsignedLong number_of_outputs() override { return 1; }
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WebIDL::ExceptionOr<void> start(Optional<double>, Optional<double>, Optional<double>);
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static WebIDL::ExceptionOr<GC::Ref<AudioBufferSourceNode>> create(JS::Realm&, GC::Ref<BaseAudioContext>, AudioBufferSourceOptions const& = {});
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static WebIDL::ExceptionOr<GC::Ref<AudioBufferSourceNode>> construct_impl(JS::Realm&, GC::Ref<BaseAudioContext>, AudioBufferSourceOptions const& = {});
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protected:
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AudioBufferSourceNode(JS::Realm&, GC::Ref<BaseAudioContext>, AudioBufferSourceOptions const& = {});
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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private:
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GC::Ptr<AudioBuffer> m_buffer;
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GC::Ref<AudioParam> m_playback_rate;
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GC::Ref<AudioParam> m_detune;
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bool m_loop { false };
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// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-buffer-set-slot
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bool m_buffer_set { false };
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double m_loop_start { 0.0 };
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double m_loop_end { 0.0 };
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};
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}
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