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OpenVulkano/openVulkanoCpp/AR/ArSessionMetadata.cpp

104 lines
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C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include "ArSessionMetadata.hpp"
#include <pugixml.hpp>
#include <yaml-cpp/yaml.h>
#include <sstream>
#include <filesystem>
namespace OpenVulkano::AR
{
ArSessionMetadata ArSessionMetadata::FromXML(const std::string& filePath)
{
pugi::xml_document doc;
pugi::xml_parse_result result = doc.load_file(filePath.c_str());
if (!result) throw std::runtime_error("Failed to read metadata xml file.");
pugi::xml_node metaNode = doc.child("arPlatformInfo");
const char* type = metaNode.child("type").text().as_string();
int minRange = metaNode.child("minConfidence").text().as_int();
int maxRange = metaNode.child("maxConfidence").text().as_int();
const char* depthType = metaNode.child("depthType").text().as_string();
uint32_t resX = 1920, resY = 1440;
auto resNode = metaNode.child("imageResolution");
if (!resNode.empty())
{
resX = resNode.child("width").text().as_uint();
resY = resNode.child("height").text().as_uint();
}
float frameRate = metaNode.child("frameRate").text().as_float(60);
return { ArType::GetFromHumanReadableName(type),
ArDepthFormat::GetFromAltName(depthType).value_or(ArDepthFormat::UNAVAILABLE),
Math::Range<uint8_t>(minRange, maxRange),
Math::Vector2ui(resX, resY),
frameRate
};
}
ArSessionMetadata ArSessionMetadata::FromYaml(const std::string& filePath)
{
YAML::Node meta = YAML::LoadFile(filePath);
return {
ArType::GetFromName(meta["Type"].Scalar()),
ArDepthFormat::GetFromName(meta["DepthType"].Scalar()).value_or(ArDepthFormat::UNAVAILABLE),
Math::Range<uint8_t>(meta["MinConfidence"].as<uint8_t>(), meta["MaxConfidence"].as<uint8_t>()),
Math::Vector2ui(1), // TODO load
meta["FrameRate"].as<float>(60)
};
}
ArSessionMetadata::ArSessionMetadata(const std::string& dirPath)
{
std::optional<ArSessionMetadata> metaFromFile;
std::filesystem::path rPath(dirPath);
if (!is_directory(rPath)) throw std::runtime_error("Ar recording path must be a directory!");
std::filesystem::path xmlInfoPath(dirPath + "/arType.info");
if (std::filesystem::exists(xmlInfoPath))
{
metaFromFile = FromXML(xmlInfoPath.string());
}
xmlInfoPath = { dirPath + "/ArRecording.xml" };
if (std::filesystem::exists(xmlInfoPath))
{
metaFromFile = FromXML(xmlInfoPath.string());
}
std::filesystem::path ymlInfoPath(dirPath + "/ArRecording.yml");
if (std::filesystem::exists(ymlInfoPath))
{
metaFromFile = FromYaml(ymlInfoPath.string());
}
if (!metaFromFile) throw std::runtime_error("Ar recording dir is missing platform metadata file!");
type = metaFromFile->type;
depthFormat = metaFromFile->depthFormat;
confidenceRange = metaFromFile->confidenceRange;
playback = true;
}
std::string ArSessionMetadata::ToXML() const
{
std::stringstream ss;
ss << "<arPlatformInfo>\n\t<type>" << type.GetHumanReadableName() << "</type>\n\t<minConfidence>";
ss << static_cast<int>(confidenceRange.min) << "</minConfidence>\n\t<maxConfidence>";
ss << static_cast<int>(confidenceRange.max) << "</maxConfidence>\n\t<depthType>";
ss << depthFormat.GetAltName() << "</depthType>";
ss << "\n\t<imageResolution><width>" << imageResolution.x << "</width><height>" << imageResolution.y << "</height></imageResolution>";
ss << "\n\t<frameRate>" << frameRate << "</frameRate>";
ss << "\n</arPlatformInfo>";
return ss.str();
}
std::string ArSessionMetadata::ToYaml() const
{
std::stringstream ss;
ss << "Type: " << type.GetName() << "\nDepthType: " << depthFormat.GetName();
ss << "\nMinConfidence: " << static_cast<int>(confidenceRange.min);
ss << "\nMaxConfidence: " << static_cast<int>(confidenceRange.max);
ss << "\nResolution: \"(" << imageResolution.x << "," << imageResolution.y << ")\"";
ss << "\nFrameRate: " << frameRate;
return ss.str();
}
}