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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 <JavaScriptCore/TypedArrays.h>
#include <wtf/MediaTime.h>
#include <wtf/ThreadSafeRefCounted.h>
typedef struct __CVBuffer *CVPixelBufferRef;
namespace WebCore {
class ProcessIdentity;
#if USE(AVFOUNDATION) && PLATFORM(COCOA)
class VideoFrameCV;
#endif
// A class representing a video frame from a decoder, capture source, or similar.
class VideoFrame : public ThreadSafeRefCounted<VideoFrame> {
public:
virtual ~VideoFrame() = default;
enum class Rotation {
None = 0,
UpsideDown = 180,
Right = 90,
Left = 270,
};
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
WEBCORE_EXPORT RefPtr<JSC::Uint8ClampedArray> getRGBAImageData() const;
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; };
#endif
WEBCORE_EXPORT virtual void setOwnershipIdentity(const ProcessIdentity&) { }
void initializeCharacteristics(MediaTime presentationTime, bool isMirrored, Rotation);
protected:
WEBCORE_EXPORT VideoFrame(MediaTime presentationTime, bool isMirrored, Rotation);
private:
const MediaTime m_presentationTime;
const bool m_isMirrored;
const Rotation m_rotation;
};
}
namespace WTF {
template<> struct EnumTraits<WebCore::VideoFrame::Rotation> {
using values = EnumValues<
WebCore::VideoFrame::Rotation,
WebCore::VideoFrame::Rotation::None,
WebCore::VideoFrame::Rotation::UpsideDown,
WebCore::VideoFrame::Rotation::Right,
WebCore::VideoFrame::Rotation::Left
>;
};
}
#endif // ENABLE(VIDEO)
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