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

// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2021-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// AUTOGENERATED COPYRIGHT HEADER END

// 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(), _alignment(1)
{
	// 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();

	_alignment = alignment;
	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));
	}
	_alignment = alignment;
}

void streamfx::nvidia::cv::image::resize(uint32_t width, uint32_t height)
{
	reallocate(width, height, _image.pxl_format, _image.comp_type, static_cast<component_layout>(_image.comp_layout), static_cast<memory_location>(_image.mem_location), _alignment);
}

streamfx::nvidia::cv::image_t* streamfx::nvidia::cv::image::get_image()
{
	return &_image;
}