nvidia/cv/image: Wrapper for Images

CMakeLists.txt

@@ -964,6 +964,8 @@ if(HAVE_NVIDIA_ARSDK)
 	list(APPEND PROJECT_PRIVATE_SOURCE
 		"source/nvidia/cv/nvidia-cv.hpp"
 		"source/nvidia/cv/nvidia-cv.cpp"
+		"source/nvidia/cv/nvidia-cv-image.hpp"
+		"source/nvidia/cv/nvidia-cv-image.cpp"
 	)
 endif()
 

source/nvidia/cv/nvidia-cv-image.cpp

@@ -0,0 +1,98 @@
+// Copyright (c) 2020 Michael Fabian Dirks <info@xaymar.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+// NVIDIA CVImage is part of:
+// - NVIDIA Video Effects SDK
+// - NVIDIA Augmented Reality SDK
+
+#include "nvidia-cv-image.hpp"
+#include "nvidia/cuda/nvidia-cuda-obs.hpp"
+#include "obs/gs/gs-helper.hpp"
+
+#ifdef _DEBUG
+#define ST_PREFIX "<%s> "
+#define D_LOG_ERROR(x, ...) P_LOG_ERROR(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
+#define D_LOG_WARNING(x, ...) P_LOG_WARN(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
+#define D_LOG_INFO(x, ...) P_LOG_INFO(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
+#define D_LOG_DEBUG(x, ...) P_LOG_DEBUG(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
+#else
+#define ST_PREFIX "<nvidia::cv::image> "
+#define D_LOG_ERROR(...) P_LOG_ERROR(ST_PREFIX __VA_ARGS__)
+#define D_LOG_WARNING(...) P_LOG_WARN(ST_PREFIX __VA_ARGS__)
+#define D_LOG_INFO(...) P_LOG_INFO(ST_PREFIX __VA_ARGS__)
+#define D_LOG_DEBUG(...) P_LOG_DEBUG(ST_PREFIX __VA_ARGS__)
+#endif
+
+using ::streamfx::nvidia::cv::image;
+using ::streamfx::nvidia::cv::result;
+
+image::~image()
+{
+	auto gctx = ::streamfx::obs::gs::context();
+	auto cctx = ::streamfx::nvidia::cuda::obs::get()->get_context()->enter();
+
+	_cv->NvCVImage_Dealloc(&_image);
+}
+
+image::image() : _cv(::streamfx::nvidia::cv::cv::get()), _image()
+{
+	// Forcefully clear the image storage.
+	memset(&_image, sizeof(_image), 0);
+}
+
+image::image(uint32_t width, uint32_t height, pixel_format pix_fmt, component_type cmp_type,
+			 component_layout cmp_layout, memory_location location, uint32_t alignment)
+	: image()
+{
+	auto gctx = ::streamfx::obs::gs::context();
+	auto cctx = ::streamfx::nvidia::cuda::obs::get()->get_context()->enter();
+
+	if (auto res = _cv->NvCVImage_Alloc(&_image, width, height, pix_fmt, cmp_type, static_cast<uint32_t>(cmp_layout),
+										static_cast<uint32_t>(location), alignment);
+		res != result::SUCCESS) {
+		throw std::runtime_error(_cv->NvCV_GetErrorStringFromCode(res));
+	}
+}
+
+void streamfx::nvidia::cv::image::reallocate(uint32_t width, uint32_t height, pixel_format pix_fmt,
+											 component_type cmp_type, component_layout cmp_layout,
+											 memory_location location, uint32_t alignment)
+{
+	auto gctx = ::streamfx::obs::gs::context();
+	auto cctx = ::streamfx::nvidia::cuda::obs::get()->get_context()->enter();
+
+	if (auto res = _cv->NvCVImage_Realloc(&_image, width, height, pix_fmt, cmp_type, static_cast<uint32_t>(cmp_layout),
+										  static_cast<uint32_t>(location), alignment);
+		res != result::SUCCESS) {
+		throw std::runtime_error(_cv->NvCV_GetErrorStringFromCode(res));
+	}
+}
+
+void streamfx::nvidia::cv::image::resize(uint32_t width, uint32_t height)
+{
+	// TODO: Is pixel_bytes correct?
+	reallocate(width, height, _image.pxl_format, _image.comp_type, static_cast<component_layout>(_image.comp_layout),
+			   static_cast<memory_location>(_image.mem_location), _image.pixel_bytes);
+}
+
+streamfx::nvidia::cv::image_t* streamfx::nvidia::cv::image::get_image()
+{
+	return &_image;
+}

source/nvidia/cv/nvidia-cv-image.hpp

@@ -0,0 +1,54 @@
+// Copyright (c) 2021 Michael Fabian Dirks <info@xaymar.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#pragma once
+#include <cinttypes>
+#include "nvidia/cv/nvidia-cv.hpp"
+
+namespace streamfx::nvidia::cv {
+	using ::streamfx::nvidia::cv::component_layout;
+	using ::streamfx::nvidia::cv::component_type;
+	using ::streamfx::nvidia::cv::memory_location;
+	using ::streamfx::nvidia::cv::pixel_format;
+
+	class image {
+		protected:
+		std::shared_ptr<::streamfx::nvidia::cv::cv> _cv;
+		image_t                                     _image;
+
+		public:
+		virtual ~image();
+
+		protected:
+		image();
+
+		public:
+		image(uint32_t width, uint32_t height, pixel_format pix_fmt, component_type cmp_type,
+			  component_layout cmp_layout, memory_location location, uint32_t alignment);
+
+		virtual void reallocate(uint32_t width, uint32_t height, pixel_format pix_fmt, component_type cmp_type,
+								component_layout cmp_layout, memory_location location, uint32_t alignment);
+
+		virtual void resize(uint32_t width, uint32_t height);
+
+		virtual ::streamfx::nvidia::cv::image_t* get_image();
+	};
+
+} // namespace streamfx::nvidia::cv