Add P010 HDR10 video format support

include/lut-calibrator/BestResult.h

@@ -80,6 +80,7 @@ struct BestResult
 		double upYLimit = 0;
 		double downYLimit = 0;
 		double yShift = 0;
+		bool isSourceP010 = false;
 	} signal;
 
 	long long int minError = MAX_CALIBRATION_ERROR;
@@ -121,6 +122,7 @@ struct BestResult
 		out << "bestResult.signal.upYLimit = " << std::to_string(signal.upYLimit) << ";" << std::endl;
 		out << "bestResult.signal.downYLimit = " << std::to_string(signal.downYLimit) << ";" << std::endl;
 		out << "bestResult.signal.yShift = " << std::to_string(signal.yShift) << ";" << std::endl;
+		out << "bestResult.signal.isSourceP010 = " << std::to_string(signal.isSourceP010) << ";" << std::endl;
 		out << "bestResult.minError = " << std::to_string(std::round(minError * 100.0) / 30000.0) << ";" << std::endl;
 		out << "*/" << std::endl;
 	}

include/lut-calibrator/ColorSpace.h

@@ -44,7 +44,7 @@ using namespace aliases;
 
 namespace ColorSpaceMath
 {
-	enum PRIMARIES { SRGB = 0, BT_2020, WIDE_GAMMUT };	
+	enum PRIMARIES { SRGB = 0, BT_2020, WIDE_GAMMUT };
 
 	QString gammaToString(HDR_GAMMA gamma);
 
@@ -85,6 +85,8 @@ namespace ColorSpaceMath
 
 	double3 bt2020_linear_to_nonlinear(double3 input);
 
+	double srgb_nonlinear_to_linear(double input);
+
 	double3 srgb_nonlinear_to_linear(double3 input);
 
 	double3 srgb_linear_to_nonlinear(double3 input);

include/lut-calibrator/LutCalibrator.h

@@ -58,7 +58,7 @@ namespace linalg {
 }
 
 namespace ColorSpaceMath {
-	enum HDR_GAMMA { PQ = 0, HLG, sRGB, BT2020inSRGB, PQinSRGB};
+	enum HDR_GAMMA { PQ = 0, HLG, sRGB, BT2020inSRGB, PQinSRGB, P010 };
 }
 
 struct BestResult;

sources/grabber/linux/v4l2/V4L2Grabber.cpp

@@ -61,17 +61,30 @@
 // some stuff for HDR tone mapping
 #define LUT_FILE_SIZE 50331648
 
+namespace
+{
+	#ifdef V4L2_PIX_FMT_P010
+		#pragma message "P010 is supported on the build machine"
+		bool supportedP010 = true;
+	#else
+		#pragma message "P010 is NOT supported on the build machine"
+		bool supportedP010 = false;
+	#endif
+};
+
+#ifndef V4L2_PIX_FMT_P010
+	#define V4L2_PIX_FMT_P010    v4l2_fourcc('P', '0', '1', '0')
+#endif
+
 static const V4L2Grabber::HyperHdrFormat supportedFormats[] =
 {
 	{ V4L2_PIX_FMT_YUYV,   PixelFormat::YUYV },
 	{ V4L2_PIX_FMT_XRGB32, PixelFormat::XRGB },
 	{ V4L2_PIX_FMT_RGB24,  PixelFormat::RGB24 },
 	{ V4L2_PIX_FMT_YUV420, PixelFormat::I420 },
 	{ V4L2_PIX_FMT_NV12,   PixelFormat::NV12 },
-	{ V4L2_PIX_FMT_MJPEG,  PixelFormat::MJPEG }
-	#ifdef V4L2_PIX_FMT_P010
-		,{ V4L2_PIX_FMT_P010,  PixelFormat::P010 }
-	#endif
+	{ V4L2_PIX_FMT_MJPEG,  PixelFormat::MJPEG },
+	{ V4L2_PIX_FMT_P010,  PixelFormat::P010 }
 };
 
 
@@ -84,6 +97,8 @@ V4L2Grabber::V4L2Grabber(const QString& device, const QString& configurationPath
 {
 	// Refresh devices
 	getV4L2devices();
+
+	Debug(_log, "P010 was %s on the build machine", (supportedP010) ? "supported" : "unsupported");
 }
 
 QString V4L2Grabber::GetSharedLut()
@@ -132,7 +147,8 @@ void V4L2Grabber::setHdrToneMappingEnabled(int mode)
 		{
 			Debug(_log, "setHdrToneMappingMode replacing LUT and restarting");
 			_V4L2WorkerManager.Stop();
-			if ((_actualVideoFormat == PixelFormat::YUYV) || (_actualVideoFormat == PixelFormat::I420) || (_actualVideoFormat == PixelFormat::NV12) || (_actualVideoFormat == PixelFormat::MJPEG))
+			if ((_actualVideoFormat == PixelFormat::YUYV) || (_actualVideoFormat == PixelFormat::I420) || (_actualVideoFormat == PixelFormat::NV12)
+				|| (_actualVideoFormat == PixelFormat::P010) || (_actualVideoFormat == PixelFormat::MJPEG))
 				loadLutFile(PixelFormat::YUYV);
 			else
 				loadLutFile(PixelFormat::RGB24);
@@ -985,6 +1001,16 @@ bool V4L2Grabber::init_device(QString selectedDeviceName, DevicePropertiesItem p
 		}
 		break;
 
+		case V4L2_PIX_FMT_P010:
+		{
+			loadLutFile(PixelFormat::YUYV);
+			_actualVideoFormat = PixelFormat::P010;
+			_frameByteSize = (props.x * props.y * 6) / 2;
+			_lineLength = props.x * 2;
+			Info(_log, "Video pixel format is set to: P010");
+		}
+		break;
+
 		case V4L2_PIX_FMT_NV12:
 		{
 			loadLutFile(PixelFormat::YUYV);

sources/grabber/windows/MF/MFGrabber.cpp

@@ -189,7 +189,7 @@ void MFGrabber::setHdrToneMappingEnabled(int mode)
 		{
 			Debug(_log, "setHdrToneMappingMode replacing LUT and restarting");
 			_MFWorkerManager.Stop();
-			if ((_actualVideoFormat == PixelFormat::YUYV) || (_actualVideoFormat == PixelFormat::I420) || (_actualVideoFormat == PixelFormat::NV12) || (_actualVideoFormat == PixelFormat::MJPEG))
+			if ((_actualVideoFormat == PixelFormat::YUYV) || (_actualVideoFormat == PixelFormat::I420) || (_actualVideoFormat == PixelFormat::P010) || (_actualVideoFormat == PixelFormat::NV12) || (_actualVideoFormat == PixelFormat::MJPEG))
 				loadLutFile(PixelFormat::YUYV);
 			else
 				loadLutFile(PixelFormat::RGB24);
@@ -869,6 +869,14 @@ bool MFGrabber::init_device(QString selectedDeviceName, DevicePropertiesItem pro
 		}
 		break;
 
+		case PixelFormat::P010:
+		{
+			loadLutFile(PixelFormat::YUYV);
+			_frameByteSize = (6 * props.x * props.y) / 2;
+			_lineLength = props.x * 2;
+		}
+		break;
+
 		case PixelFormat::RGB24:
 		{
 			loadLutFile(PixelFormat::RGB24);

sources/lut-calibrator/ColorSpace.cpp

@@ -76,6 +76,8 @@ namespace ColorSpaceMath
 			return "BT2020 with sRGB TRC";
 		else if (gamma == HDR_GAMMA::PQinSRGB)
 			return "PQ in SRGB";
+		else if (gamma == HDR_GAMMA::P010)
+			return "P010";
 		return "UNKNOWN";
 	}
 

sources/lut-calibrator/LutCalibrator.cpp

@@ -118,6 +118,25 @@ LutCalibrator::~LutCalibrator()
 	Info(_log, "The calibration object is deleted");
 }
 
+static void unpackP010(double *y, double *u, double *v)
+{
+	if (y !=nullptr)
+	{
+		*y = *y / 1.5;
+	}
+
+	for (auto chroma : { u, v })
+		if (chroma != nullptr)
+		{
+			double val = (*chroma - (128.0/255.0)) / 1.5;
+			*chroma = (128.0 / 255.0) + val;
+		}
+};
+
+static void unpackP010(double3& yuv)
+{
+	unpackP010(&yuv.x, &yuv.y, &yuv.z);
+};
 
 void LutCalibrator::cancelCalibrationSafe()
 {
@@ -302,6 +321,7 @@ void LutCalibrator::startHandler()
 
 	_capturedColors.reset();
 	_capturedColors = std::make_shared<CapturedColors>();
+	bestResult = std::make_shared<BestResult>();
 
 	if (setTestData())
 	{
@@ -406,11 +426,15 @@ void LutCalibrator::handleImage(const Image<ColorRgb>& image)
 	}
 
 	auto pixelFormat = image.getOriginFormat();
-	if (pixelFormat != PixelFormat::NV12 && pixelFormat != PixelFormat::MJPEG && pixelFormat != PixelFormat::YUYV)
+	if (pixelFormat != PixelFormat::NV12 && pixelFormat != PixelFormat::MJPEG && pixelFormat != PixelFormat::YUYV && pixelFormat != PixelFormat::P010)
 	{
-		error("Only NV12/MJPEG/YUYV video format for the USB grabber and NV12 for the flatbuffers source are supported for the LUT calibration.");
+		error("Only NV12/MJPEG/YUYV/P010 video format for the USB grabber and NV12 for the flatbuffers source are supported for the LUT calibration.");
 		return;
 	}
+	else if (pixelFormat == PixelFormat::P010)
+	{
+		bestResult->signal.isSourceP010 = true;
+	}
 
 	int boardIndex = -1;
 
@@ -663,6 +687,11 @@ static double3 hdr_to_srgb(const YuvConverter* _yuvConverter, double3 yuv, const
 	double3 srgb;
 	bool white = true;
 
+	if (gamma == HDR_GAMMA::P010)
+	{
+		unpackP010(yuv);
+	}
+
 	if (gamma == HDR_GAMMA::sRGB || gamma == HDR_GAMMA::BT2020inSRGB)
 	{
 		CapturedColors::correctYRange(yuv, signal.yRange, signal.upYLimit, signal.downYLimit, signal.yShift);
@@ -689,7 +718,7 @@ static double3 hdr_to_srgb(const YuvConverter* _yuvConverter, double3 yuv, const
 
 	double3 e;
 
-	if (gamma == HDR_GAMMA::PQ)
+	if (gamma == HDR_GAMMA::PQ || gamma == HDR_GAMMA::P010)
 	{
 		e = PQ_ST2084(10000.0 / nits, a);
 	}
@@ -1094,9 +1123,13 @@ void  LutCalibrator::fineTune(bool precise)
 	sampleColors[SampleColor::LOW_GREEN] = (std::pair<double3, byte2>(sampleGreenLow.getInputYuvColors().front().first, byte2{ sampleGreenLow.U(), sampleGreenLow.V() }));
 	sampleColors[SampleColor::LOW_BLUE] = (std::pair<double3, byte2>(sampleBlueLow.getInputYuvColors().front().first, byte2{ sampleBlueLow.U(), sampleBlueLow.V() }));
 
-	for (int gamma = (precise) ? bestResult->gamma : HDR_GAMMA::PQ; gamma <= HDR_GAMMA::PQinSRGB; gamma++)
+	for (int gamma = (precise) ? (bestResult->gamma) : ((bestResult->signal.isSourceP010) ? HDR_GAMMA::P010 : HDR_GAMMA::PQ);
+			 gamma <= HDR_GAMMA::P010; gamma++)
 	{
 		std::vector<double> gammasHLG;
+
+		if (gamma == HDR_GAMMA::P010 && !bestResult->signal.isSourceP010)
+			continue;
 
 		if (gamma == HDR_GAMMA::HLG)
 		{
@@ -1116,6 +1149,13 @@ void  LutCalibrator::fineTune(bool precise)
 		{
 			NITS = 10000.0 * PQ_ST2084(1.0, maxLevel);
 		}
+		else if (gamma == HDR_GAMMA::P010)
+		{
+			double unpackWhite = white;
+			unpackP010(&unpackWhite, nullptr, nullptr);
+			maxLevel = (unpackWhite - 16.0) / (235.0 - 16.0);
+			NITS = 10000.0 * PQ_ST2084(1.0, maxLevel);
+		}
 		else if (gamma == HDR_GAMMA::PQinSRGB)
 		{
 			NITS = 10000.0 * PQ_ST2084(1.0, srgb_linear_to_nonlinear(maxLevel));
@@ -1230,11 +1270,12 @@ void LutCalibrator::calibration()
 	{
 		Debug(_log, "Selected nits: %f", (bestResult->gamma == HDR_GAMMA::HLG) ? 1000.0 * (1 / bestResult->nits) : bestResult->nits);
 	}
-	Debug(_log, "Selected bt2020 gamma range: %i", bestResult->bt2020Range);
-	Debug(_log, "Selected alternative conversion of primaries: %i", bestResult->altConvert);
+	Debug(_log, "Selected bt2020 gamma range: %s", (bestResult->bt2020Range) ? "yes" : "no");
+	Debug(_log, "Selected alternative conversion of primaries: %s", (bestResult->altConvert) ? "yes" : "no");
 	Debug(_log, "Selected aspect: %f %f %f", bestResult->aspect.x, bestResult->aspect.y, bestResult->aspect.z);
 	Debug(_log, "Selected color aspect mode: %i", bestResult->coloredAspectMode);
 	Debug(_log, "Selected color aspect: %s %s", QSTRING_CSTR(vecToString(bestResult->colorAspect.first)), QSTRING_CSTR(vecToString(bestResult->colorAspect.second)));
+	Debug(_log, "Selected source is P010: %s", (bestResult->signal.isSourceP010) ? "yes" : "no");
 
 	if (_debug)
 	{
@@ -1423,6 +1464,11 @@ void CreateLutWorker::run()
 				}
 				else
 				{
+					if (bestResult->signal.isSourceP010)
+					{
+						unpackP010(yuv);
+					}
+
 					yuv = yuvConverter->toRgb(bestResult->signal.range, bestResult->coef, yuv);
 				}
 
@@ -1543,8 +1589,7 @@ void LutCalibrator::calibrate()
 	{
 		emit GlobalSignals::getInstance()->SignalRequestComponent(hyperhdr::Components::COMP_FLATBUFSERVER, -1, false);
 	}
-
-	bestResult = std::make_shared<BestResult>();
+
 	_capturedColors->finilizeBoard();
 
 
@@ -1577,9 +1622,16 @@ void LutCalibrator::capturedPrimariesCorrection(ColorSpaceMath::HDR_GAMMA gamma,
 
 	for (auto& c : capturedPrimaries)
 	{
-		auto a = _yuvConverter->toRgb(_capturedColors->getRange(), YuvConverter::YUV_COEFS(coef), c.yuv());
+		auto yuv = c.yuv();
+
+		if (gamma == HDR_GAMMA::P010)
+		{			
+			unpackP010(yuv);
+		}
+
+		auto a = _yuvConverter->toRgb(_capturedColors->getRange(), YuvConverter::YUV_COEFS(coef), yuv);
 
-		if (gamma == ColorSpaceMath::HDR_GAMMA::PQ)
+		if (gamma == ColorSpaceMath::HDR_GAMMA::PQ || gamma == ColorSpaceMath::HDR_GAMMA::P010)
 		{
 			a = PQ_ST2084(10000.0 / nits, a);
 		}

sources/utils/CMakeLists.txt

@@ -15,6 +15,7 @@ add_library(hyperhdr-utils OBJECT ${Utils_SOURCES})
 target_link_libraries(hyperhdr-utils
 	Qt${Qt_VERSION}::Core
 	Qt${Qt_VERSION}::Network
+	linalg
 )
 
 if(USE_PRECOMPILED_HEADERS AND COMMAND target_precompile_headers)