ladybird/Libraries/LibWeb/HTML/HTMLVideoElement.h
Luke Wilde 509eaca73d LibWeb: Play audio tracks alongside video tracks with the video element
The underlying media element class already parses out the audio tracks,
regardless of the media type. Let's play them with videos!
2025-03-13 19:33:44 +01:00

84 lines
2.7 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <LibGfx/Forward.h>
#include <LibWeb/DOM/DocumentLoadEventDelayer.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/HTMLMediaElement.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::HTML {
struct VideoFrame {
RefPtr<Gfx::Bitmap> frame;
double position { 0.0 };
};
class HTMLVideoElement final : public HTMLMediaElement {
WEB_PLATFORM_OBJECT(HTMLVideoElement, HTMLMediaElement);
GC_DECLARE_ALLOCATOR(HTMLVideoElement);
public:
virtual ~HTMLVideoElement() override;
Layout::VideoBox* layout_node();
Layout::VideoBox const* layout_node() const;
void set_video_width(u32 video_width) { m_video_width = video_width; }
u32 video_width() const;
void set_video_height(u32 video_height) { m_video_height = video_height; }
u32 video_height() const;
void set_video_track(GC::Ptr<VideoTrack>);
void set_current_frame(Badge<VideoTrack>, RefPtr<Gfx::Bitmap> frame, double position);
VideoFrame const& current_frame() const { return m_current_frame; }
RefPtr<Gfx::Bitmap> const& poster_frame() const { return m_poster_frame; }
// FIXME: This is a hack for images used as CanvasImageSource. Do something more elegant.
RefPtr<Gfx::Bitmap> bitmap() const
{
return current_frame().frame;
}
private:
HTMLVideoElement(DOM::Document&, DOM::QualifiedName);
virtual void initialize(JS::Realm&) override;
virtual void finalize() override;
virtual void visit_edges(Cell::Visitor&) override;
virtual void attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
// https://html.spec.whatwg.org/multipage/media.html#the-video-element:dimension-attributes
virtual bool supports_dimension_attributes() const override { return true; }
virtual GC::Ptr<Layout::Node> create_layout_node(GC::Ref<CSS::ComputedProperties>) override;
virtual void adjust_computed_style(CSS::ComputedProperties&) override;
virtual void on_playing() override;
virtual void on_paused() override;
virtual void on_seek(double, MediaSeekMode) override;
virtual void on_volume_change() override;
WebIDL::ExceptionOr<void> determine_element_poster_frame(Optional<String> const& poster);
GC::Ptr<HTML::VideoTrack> m_video_track;
VideoFrame m_current_frame;
RefPtr<Gfx::Bitmap> m_poster_frame;
u32 m_video_width { 0 };
u32 m_video_height { 0 };
GC::Ptr<Fetch::Infrastructure::FetchController> m_fetch_controller;
Optional<DOM::DocumentLoadEventDelayer> m_load_event_delayer;
};
}