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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(VIDEO)
#include "FloatSize.h"
#include "PlaneLayout.h"
#include "PlatformVideoColorSpace.h"
#include "VideoPixelFormat.h"
#include <JavaScriptCore/TypedArrays.h>
#include <wtf/CompletionHandler.h>
#include <wtf/MediaTime.h>
#include <wtf/ThreadSafeRefCounted.h>
typedef struct __CVBuffer *CVPixelBufferRef;
namespace WebCore {
class FloatRect;
class GraphicsContext;
class NativeImage;
class PixelBuffer;
class ProcessIdentity;
#if USE(AVFOUNDATION) && PLATFORM(COCOA)
class VideoFrameCV;
#endif
struct ImageOrientation;
struct PlatformVideoColorSpace;
struct ComputedPlaneLayout {
size_t destinationOffset { 0 };
size_t destinationStride { 0 };
size_t sourceTop { 0 };
size_t sourceHeight { 0 };
size_t sourceLeftBytes { 0 };
size_t sourceWidthBytes { 0 };
};
enum class VideoFrameRotation : uint16_t {
None = 0,
UpsideDown = 180,
Right = 90,
Left = 270,
};
// A class representing a video frame from a decoder, capture source, or similar.
class VideoFrame : public ThreadSafeRefCounted<VideoFrame> {
public:
virtual ~VideoFrame() = default;
static RefPtr<VideoFrame> fromNativeImage(NativeImage&);
static RefPtr<VideoFrame> createFromPixelBuffer(Ref<PixelBuffer>&&, PlatformVideoColorSpace&& = { });
static RefPtr<VideoFrame> createNV12(std::span<const uint8_t>, size_t width, size_t height, const ComputedPlaneLayout&, const ComputedPlaneLayout&, PlatformVideoColorSpace&&);
static RefPtr<VideoFrame> createRGBA(std::span<const uint8_t>, size_t width, size_t height, const ComputedPlaneLayout&, PlatformVideoColorSpace&&);
static RefPtr<VideoFrame> createBGRA(std::span<const uint8_t>, size_t width, size_t height, const ComputedPlaneLayout&, PlatformVideoColorSpace&&);
static RefPtr<VideoFrame> createI420(std::span<const uint8_t>, size_t width, size_t height, const ComputedPlaneLayout&, const ComputedPlaneLayout&, const ComputedPlaneLayout&, PlatformVideoColorSpace&&);
static RefPtr<VideoFrame> createI420A(std::span<const uint8_t>, size_t width, size_t height, const ComputedPlaneLayout&, const ComputedPlaneLayout&, const ComputedPlaneLayout&, const ComputedPlaneLayout&, PlatformVideoColorSpace&&);
using Rotation = VideoFrameRotation;
MediaTime presentationTime() const { return m_presentationTime; }
Rotation rotation() const { return m_rotation; }
bool isMirrored() const { return m_isMirrored; }
#if PLATFORM(COCOA) && USE(AVFOUNDATION)
WEBCORE_EXPORT RefPtr<VideoFrameCV> asVideoFrameCV();
#endif
using CopyCallback = CompletionHandler<void(std::optional<Vector<PlaneLayout>>&&)>;
void copyTo(std::span<uint8_t>, VideoPixelFormat, Vector<ComputedPlaneLayout>&&, CopyCallback&&);
virtual FloatSize presentationSize() const = 0;
virtual uint32_t pixelFormat() const = 0;
virtual bool isRemoteProxy() const { return false; }
virtual bool isLibWebRTC() const { return false; }
virtual bool isCV() const { return false; }
#if USE(GSTREAMER)
virtual bool isGStreamer() const { return false; }
#endif
#if PLATFORM(COCOA)
virtual CVPixelBufferRef pixelBuffer() const { return nullptr; };
using ResourceIdentifier = std::pair<uint64_t, uint64_t>;
virtual ResourceIdentifier resourceIdentifier() const { return { }; }
#endif
WEBCORE_EXPORT virtual void setOwnershipIdentity(const ProcessIdentity&) { }
void initializeCharacteristics(MediaTime presentationTime, bool isMirrored, Rotation);
void paintInContext(GraphicsContext&, const FloatRect&, const ImageOrientation&, bool shouldDiscardAlpha);
const PlatformVideoColorSpace& colorSpace() const { return m_colorSpace; }
protected:
WEBCORE_EXPORT VideoFrame(MediaTime presentationTime, bool isMirrored, Rotation, PlatformVideoColorSpace&& = { });
private:
const MediaTime m_presentationTime;
const bool m_isMirrored;
const Rotation m_rotation;
const PlatformVideoColorSpace m_colorSpace;
};
}
#endif // ENABLE(VIDEO)
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