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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 PLATFORM(COCOA) && USE(LIBWEBRTC)
#include "VideoFrame.h"
ALLOW_UNUSED_PARAMETERS_BEGIN
ALLOW_COMMA_BEGIN
#include <webrtc/api/video/video_frame.h>
#include <webrtc/sdk/WebKit/WebKitUtilities.h>
ALLOW_UNUSED_PARAMETERS_END
ALLOW_COMMA_END
using CVPixelBufferRef = struct __CVBuffer*;
namespace WebCore {
class VideoFrameLibWebRTC final : public VideoFrame {
public:
using ConversionCallback = Function<RetainPtr<CVPixelBufferRef>(webrtc::VideoFrameBuffer&)>;
static Ref<VideoFrameLibWebRTC> create(MediaTime, bool isMirrored, Rotation, std::optional<PlatformVideoColorSpace>&&, rtc::scoped_refptr<webrtc::VideoFrameBuffer>&&, ConversionCallback&&);
rtc::scoped_refptr<webrtc::VideoFrameBuffer> buffer() const { return m_buffer; }
static std::optional<PlatformVideoColorSpace> colorSpaceFromFrame(const webrtc::VideoFrame&);
private:
VideoFrameLibWebRTC(MediaTime, bool isMirrored, Rotation, PlatformVideoColorSpace&&, rtc::scoped_refptr<webrtc::VideoFrameBuffer>&&, ConversionCallback&&);
// VideoFrame
FloatSize presentationSize() const final { return m_size; }
uint32_t pixelFormat() const final { return m_videoPixelFormat; }
CVPixelBufferRef pixelBuffer() const final;
const rtc::scoped_refptr<webrtc::VideoFrameBuffer> m_buffer;
FloatSize m_size;
uint32_t m_videoPixelFormat { 0 };
mutable ConversionCallback m_conversionCallback;
mutable RetainPtr<CVPixelBufferRef> m_pixelBuffer WTF_GUARDED_BY_LOCK(m_pixelBufferLock);
mutable Lock m_pixelBufferLock;
};
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::VideoFrameLibWebRTC)
static bool isType(const WebCore::VideoFrame& videoFrame) { return videoFrame.isLibWebRTC(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // PLATFORM(COCOA) && USE(LIBWEBRTC)
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