ladybird/Libraries/LibWeb/WebAudio/OfflineAudioContext.h

53 lines
1.7 KiB
C++

/*
* Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Bindings/OfflineAudioContextPrototype.h>
#include <LibWeb/HighResolutionTime/DOMHighResTimeStamp.h>
#include <LibWeb/WebAudio/BaseAudioContext.h>
#include <LibWeb/WebIDL/Types.h>
namespace Web::WebAudio {
// https://webaudio.github.io/web-audio-api/#OfflineAudioContextOptions
struct OfflineAudioContextOptions {
WebIDL::UnsignedLong number_of_channels { 1 };
WebIDL::UnsignedLong length {};
float sample_rate {};
};
// https://webaudio.github.io/web-audio-api/#OfflineAudioContext
class OfflineAudioContext final : public BaseAudioContext {
WEB_PLATFORM_OBJECT(OfflineAudioContext, BaseAudioContext);
GC_DECLARE_ALLOCATOR(OfflineAudioContext);
public:
static WebIDL::ExceptionOr<GC::Ref<OfflineAudioContext>> construct_impl(JS::Realm&, OfflineAudioContextOptions const&);
static WebIDL::ExceptionOr<GC::Ref<OfflineAudioContext>> construct_impl(JS::Realm&,
WebIDL::UnsignedLong number_of_channels, WebIDL::UnsignedLong length, float sample_rate);
virtual ~OfflineAudioContext() override;
WebIDL::ExceptionOr<GC::Ref<WebIDL::Promise>> start_rendering();
WebIDL::ExceptionOr<GC::Ref<WebIDL::Promise>> resume();
WebIDL::ExceptionOr<GC::Ref<WebIDL::Promise>> suspend(double suspend_time);
WebIDL::UnsignedLong length() const;
GC::Ptr<WebIDL::CallbackType> oncomplete();
void set_oncomplete(GC::Ptr<WebIDL::CallbackType>);
private:
OfflineAudioContext(JS::Realm&, WebIDL::UnsignedLong length, float sample_rate);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
WebIDL::UnsignedLong m_length {};
};
}