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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(WEB_CODECS)
#include "ContextDestructionObserver.h"
#include "DOMRectReadOnly.h"
#include "JSDOMPromiseDeferredForward.h"
#include "PlaneLayout.h"
#include "VideoColorSpaceInit.h"
#include "WebCodecsAlphaOption.h"
#include "WebCodecsVideoFrameData.h"
namespace WebCore {
class BufferSource;
class CSSStyleImageValue;
class DOMRectReadOnly;
class HTMLCanvasElement;
class HTMLImageElement;
class HTMLVideoElement;
class ImageBitmap;
class ImageBuffer;
class NativeImage;
class OffscreenCanvas;
class SVGImageElement;
class VideoColorSpace;
template<typename> class ExceptionOr;
class WebCodecsVideoFrame : public RefCounted<WebCodecsVideoFrame>, public ContextDestructionObserver {
public:
~WebCodecsVideoFrame();
using CanvasImageSource = std::variant<RefPtr<HTMLImageElement>
, RefPtr<SVGImageElement>
, RefPtr<HTMLCanvasElement>
, RefPtr<ImageBitmap>
, RefPtr<CSSStyleImageValue>
#if ENABLE(OFFSCREEN_CANVAS)
, RefPtr<OffscreenCanvas>
#endif
#if ENABLE(VIDEO)
, RefPtr<HTMLVideoElement>
#endif
>;
enum class AlphaOption { Keep, Discard };
struct Init {
std::optional<uint64_t> duration;
std::optional<int64_t> timestamp;
WebCodecsAlphaOption alpha { WebCodecsAlphaOption::Keep };
std::optional<DOMRectInit> visibleRect;
std::optional<size_t> displayWidth;
std::optional<size_t> displayHeight;
};
struct BufferInit {
VideoPixelFormat format { VideoPixelFormat::I420 };
size_t codedWidth { 0 };
size_t codedHeight { 0 };
int64_t timestamp { 0 };
std::optional<uint64_t> duration;
std::optional<Vector<PlaneLayout>> layout;
std::optional<DOMRectInit> visibleRect;
std::optional<size_t> displayWidth;
std::optional<size_t> displayHeight;
std::optional<VideoColorSpaceInit> colorSpace;
};
static ExceptionOr<Ref<WebCodecsVideoFrame>> create(ScriptExecutionContext&, CanvasImageSource&&, Init&&);
static ExceptionOr<Ref<WebCodecsVideoFrame>> create(ScriptExecutionContext&, Ref<WebCodecsVideoFrame>&&, Init&&);
static ExceptionOr<Ref<WebCodecsVideoFrame>> create(ScriptExecutionContext&, BufferSource&&, BufferInit&&);
static ExceptionOr<Ref<WebCodecsVideoFrame>> create(ScriptExecutionContext&, ImageBuffer&, IntSize, Init&&);
static Ref<WebCodecsVideoFrame> create(ScriptExecutionContext&, Ref<VideoFrame>&&, BufferInit&&);
static Ref<WebCodecsVideoFrame> create(ScriptExecutionContext& context, WebCodecsVideoFrameData&& data) { return adoptRef(*new WebCodecsVideoFrame(context, WTFMove(data))); }
std::optional<VideoPixelFormat> format() const { return m_data.format; }
size_t codedWidth() const { return m_data.codedWidth; }
size_t codedHeight() const { return m_data.codedHeight; }
DOMRectReadOnly* codedRect() const;
DOMRectReadOnly* visibleRect() const;
size_t displayWidth() const { return m_data.displayWidth; }
size_t displayHeight() const { return m_data.displayHeight; }
std::optional<uint64_t> duration() const { return m_data.duration; }
int64_t timestamp() const { return m_data.timestamp; }
VideoColorSpace& colorSpace() const;
struct CopyToOptions {
std::optional<DOMRectInit> rect;
std::optional<Vector<PlaneLayout>> layout;
};
ExceptionOr<size_t> allocationSize(const CopyToOptions&);
using CopyToPromise = DOMPromiseDeferred<IDLSequence<IDLDictionary<PlaneLayout>>>;
void copyTo(BufferSource&&, CopyToOptions&&, CopyToPromise&&);
ExceptionOr<Ref<WebCodecsVideoFrame>> clone(ScriptExecutionContext&);
void close();
bool isDetached() const { return m_isDetached; }
RefPtr<VideoFrame> internalFrame() const { return m_data.internalFrame; }
void setDisplaySize(size_t, size_t);
void setVisibleRect(const DOMRectInit&);
bool shoudlDiscardAlpha() const { return m_data.format && (*m_data.format == VideoPixelFormat::RGBX || *m_data.format == VideoPixelFormat::BGRX); }
const WebCodecsVideoFrameData& data() const { return m_data; }
size_t memoryCost() const { return m_data.memoryCost(); }
private:
explicit WebCodecsVideoFrame(ScriptExecutionContext&);
WebCodecsVideoFrame(ScriptExecutionContext&, WebCodecsVideoFrameData&&);
static ExceptionOr<Ref<WebCodecsVideoFrame>> initializeFrameFromOtherFrame(ScriptExecutionContext&, Ref<WebCodecsVideoFrame>&&, Init&&);
static ExceptionOr<Ref<WebCodecsVideoFrame>> initializeFrameFromOtherFrame(ScriptExecutionContext&, Ref<VideoFrame>&&, Init&&);
static ExceptionOr<Ref<WebCodecsVideoFrame>> initializeFrameWithResourceAndSize(ScriptExecutionContext&, Ref<NativeImage>&&, Init&&);
WebCodecsVideoFrameData m_data;
mutable RefPtr<VideoColorSpace> m_colorSpace;
mutable RefPtr<DOMRectReadOnly> m_codedRect;
mutable RefPtr<DOMRectReadOnly> m_visibleRect;
bool m_isDetached { false };
};
}
#endif
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