Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/audaspace/src/fx/HRTFLoaderUnix.cpp

@@ -0,0 +1,89 @@
+/*******************************************************************************
+* Copyright 2015-2016 Juan Francisco Crespo Galán
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+******************************************************************************/
+
+#include "fx/HRTFLoader.h"
+#include "file/File.h"
+#include "Exception.h"
+
+#include <dirent.h>
+#include <exception>
+
+AUD_NAMESPACE_BEGIN
+
+std::shared_ptr<HRTF> HRTFLoader::loadLeftHRTFs(std::shared_ptr<FFTPlan> plan, const std::string& fileExtension, const std::string& path)
+{
+	std::shared_ptr<HRTF> hrtfs(std::make_shared<HRTF>(plan));
+	loadHRTFs(hrtfs, 'L', fileExtension, path);
+	return hrtfs;
+}
+
+std::shared_ptr<HRTF> HRTFLoader::loadRightHRTFs(std::shared_ptr<FFTPlan> plan, const std::string& fileExtension, const std::string& path)
+{
+	std::shared_ptr<HRTF> hrtfs(std::make_shared<HRTF>(plan));
+	loadHRTFs(hrtfs, 'R', fileExtension, path);
+	return hrtfs;
+}
+
+std::shared_ptr<HRTF> HRTFLoader::loadLeftHRTFs(const std::string& fileExtension, const std::string& path)
+{
+	std::shared_ptr<HRTF> hrtfs(std::make_shared<HRTF>());
+	loadHRTFs(hrtfs, 'L', fileExtension, path);
+	return hrtfs;
+}
+
+std::shared_ptr<HRTF> HRTFLoader::loadRightHRTFs(const std::string& fileExtension, const std::string& path)
+{
+	std::shared_ptr<HRTF> hrtfs(std::make_shared<HRTF>());
+	loadHRTFs(hrtfs, 'R', fileExtension, path);
+	return hrtfs;
+}
+
+void HRTFLoader::loadHRTFs(std::shared_ptr<HRTF> hrtfs, char ear, const std::string& fileExtension, const std::string& path)
+{
+	std::string readpath = path;
+	if(path == "")
+		readpath = ".";
+
+	DIR* dir = opendir(path.c_str());
+	if(!dir)
+		return;
+
+	float azim, elev;
+
+	while(dirent* entry = readdir(dir))
+	{
+		std::string filename = entry->d_name;
+		if(filename.front() == ear && filename.length() >= fileExtension.length() && filename.substr(filename.length() - fileExtension.length()) == fileExtension)
+		{
+			try
+			{
+				elev = std::stof(filename.substr(1, filename.find("e") - 1));
+				azim = std::stof(filename.substr(filename.find("e") + 1, filename.find("a") - filename.find("e") - 1));
+				if(ear == 'L')
+					azim = 360 - azim;
+			}
+			catch(...)
+			{
+				AUD_THROW(FileException, "The HRTF name doesn't follow the naming scheme: " + filename);
+			}
+			hrtfs->addImpulseResponse(std::make_shared<StreamBuffer>(std::make_shared<File>(readpath + "/" + filename)), azim, elev);
+		}
+	}
+	closedir(dir);
+	return;
+}
+
+AUD_NAMESPACE_END