blob: a914d281ac1d16a7f0b67e361b94f5af9a41c366 [file] [log] [blame]
/*
* Copyright (C) 2015-2018 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.
* 3. Neither the name of Google Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
#import "config.h"
#import "MockRealtimeVideoSourceMac.h"
#if ENABLE(MEDIA_STREAM)
#import "GraphicsContextCG.h"
#import "ImageBuffer.h"
#import "ImageTransferSessionVT.h"
#import "MediaConstraints.h"
#import "MockRealtimeMediaSourceCenter.h"
#import "NotImplemented.h"
#import "PlatformLayer.h"
#import "RealtimeMediaSourceSettings.h"
#import "RealtimeVideoSource.h"
#import "RealtimeVideoUtilities.h"
#import <QuartzCore/CALayer.h>
#import <QuartzCore/CATransaction.h>
#import <objc/runtime.h>
#import "CoreVideoSoftLink.h"
#import <pal/cf/CoreMediaSoftLink.h>
namespace WebCore {
CaptureSourceOrError MockRealtimeVideoSource::create(String&& deviceID, AtomString&& name, String&& hashSalt, const MediaConstraints* constraints, PageIdentifier pageIdentifier)
{
#ifndef NDEBUG
auto device = MockRealtimeMediaSourceCenter::mockDeviceWithPersistentID(deviceID);
ASSERT(device);
if (!device)
return { "No mock camera device"_s };
#endif
auto source = adoptRef(*new MockRealtimeVideoSourceMac(WTFMove(deviceID), WTFMove(name), WTFMove(hashSalt), pageIdentifier));
if (constraints) {
if (auto error = source->applyConstraints(*constraints))
return WTFMove(error->message);
}
return CaptureSourceOrError(RealtimeVideoSource::create(WTFMove(source)));
}
Ref<MockRealtimeVideoSource> MockRealtimeVideoSourceMac::createForMockDisplayCapturer(String&& deviceID, AtomString&& name, String&& hashSalt, PageIdentifier pageIdentifier)
{
return adoptRef(*new MockRealtimeVideoSourceMac(WTFMove(deviceID), WTFMove(name), WTFMove(hashSalt), pageIdentifier));
}
MockRealtimeVideoSourceMac::MockRealtimeVideoSourceMac(String&& deviceID, AtomString&& name, String&& hashSalt, PageIdentifier pageIdentifier)
: MockRealtimeVideoSource(WTFMove(deviceID), WTFMove(name), WTFMove(hashSalt), pageIdentifier)
, m_workQueue(WorkQueue::create("MockRealtimeVideoSource Render Queue", WorkQueue::QOS::UserInteractive))
{
}
void MockRealtimeVideoSourceMac::updateSampleBuffer()
{
auto imageBuffer = this->imageBuffer();
if (!imageBuffer)
return;
if (!m_imageTransferSession)
m_imageTransferSession = ImageTransferSessionVT::create(preferedPixelBufferFormat());
PlatformImagePtr platformImage;
if (auto nativeImage = imageBuffer->copyImage()->nativeImage())
platformImage = nativeImage->platformImage();
auto presentationTime = MediaTime::createWithDouble((elapsedTime() + 100_ms).seconds());
auto videoFrame = m_imageTransferSession->createVideoFrame(platformImage.get(), presentationTime, size(), videoFrameRotation());
if (!videoFrame)
return;
auto captureTime = MonotonicTime::now().secondsSinceEpoch();
m_workQueue->dispatch([this, protectedThis = Ref { *this }, videoFrame = WTFMove(videoFrame), captureTime]() mutable {
VideoFrameTimeMetadata metadata;
metadata.captureTime = captureTime;
dispatchVideoFrameToObservers(*videoFrame, metadata);
});
}
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)