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/*
* Copyright (C) 2018 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
#include "IntSize.h"
#include "MediaSample.h"
#include <wtf/RetainPtr.h>
typedef struct CGImage *CGImageRef;
typedef struct OpaqueVTPixelTransferSession* VTPixelTransferSessionRef;
typedef struct __CVBuffer *CVPixelBufferRef;
typedef struct __CVPixelBufferPool *CVPixelBufferPoolRef;
typedef struct __IOSurface *IOSurfaceRef;
typedef struct opaqueCMSampleBuffer *CMSampleBufferRef;
namespace WebCore {
class RemoteVideoSample;
class ImageTransferSessionVT {
public:
static std::unique_ptr<ImageTransferSessionVT> create(uint32_t pixelFormat, bool shouldUseIOSurface = true)
{
return std::unique_ptr<ImageTransferSessionVT>(new ImageTransferSessionVT(pixelFormat, shouldUseIOSurface));
}
RefPtr<MediaSample> convertMediaSample(MediaSample&, const IntSize&);
RefPtr<MediaSample> createMediaSample(CGImageRef, const MediaTime&, const IntSize&, MediaSample::VideoRotation = MediaSample::VideoRotation::None, bool mirrored = false);
RefPtr<MediaSample> createMediaSample(CMSampleBufferRef, const MediaTime&, const IntSize&, MediaSample::VideoRotation = MediaSample::VideoRotation::None, bool mirrored = false);
#if !PLATFORM(MACCATALYST)
WEBCORE_EXPORT RefPtr<MediaSample> createMediaSample(IOSurfaceRef, const MediaTime&, const IntSize&, MediaSample::VideoRotation = MediaSample::VideoRotation::None, bool mirrored = false);
#if ENABLE(MEDIA_STREAM)
WEBCORE_EXPORT RefPtr<MediaSample> createMediaSample(const RemoteVideoSample&);
#endif
#endif
uint32_t pixelFormat() const { return m_pixelFormat; }
private:
WEBCORE_EXPORT ImageTransferSessionVT(uint32_t pixelFormat, bool shouldUseIOSurface);
#if !PLATFORM(MACCATALYST)
RetainPtr<CMSampleBufferRef> createCMSampleBuffer(IOSurfaceRef, const MediaTime&, const IntSize&);
#endif
RetainPtr<CMSampleBufferRef> convertCMSampleBuffer(CMSampleBufferRef, const IntSize&, const MediaTime* = nullptr);
RetainPtr<CMSampleBufferRef> createCMSampleBuffer(CVPixelBufferRef, const MediaTime&, const IntSize&);
RetainPtr<CMSampleBufferRef> createCMSampleBuffer(CGImageRef, const MediaTime&, const IntSize&);
RetainPtr<CVPixelBufferRef> convertPixelBuffer(CVPixelBufferRef, const IntSize&);
RetainPtr<CVPixelBufferRef> createPixelBuffer(CMSampleBufferRef, const IntSize&);
RetainPtr<CVPixelBufferRef> createPixelBuffer(CGImageRef, const IntSize&);
bool setSize(const IntSize&);
RetainPtr<VTPixelTransferSessionRef> m_transferSession;
RetainPtr<CVPixelBufferPoolRef> m_outputBufferPool;
bool m_shouldUseIOSurface { true };
uint32_t m_pixelFormat;
IntSize m_size;
};
}
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