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extern/audaspace/include/file/FileManager.h

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+/*******************************************************************************
+ * Copyright 2009-2016 Jörg Müller
+ *
+ * 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.
+ ******************************************************************************/
+
+#pragma once
+
+/**
+ * @file FileManager.h
+ * @ingroup file
+ * The FileManager class.
+ */
+
+#include "respec/Specification.h"
+#include "IWriter.h"
+
+#include <list>
+#include <memory>
+
+AUD_NAMESPACE_BEGIN
+
+class IFileInput;
+class IFileOutput;
+class IReader;
+class Buffer;
+
+/**
+ * The FileManager manages all file input and output plugins.
+ */
+class AUD_API FileManager
+{
+private:
+	static std::list<std::shared_ptr<IFileInput>>& inputs();
+	static std::list<std::shared_ptr<IFileOutput>>& outputs();
+
+	// delete copy constructor and operator=
+	FileManager(const FileManager&) = delete;
+	FileManager& operator=(const FileManager&) = delete;
+	FileManager() = delete;
+
+public:
+	/**
+	 * Registers a file input used to create an IReader to read from a file.
+	 * @param input The IFileInput to register.
+	 */
+	static void registerInput(std::shared_ptr<IFileInput> input);
+
+	/**
+	 * Registers a file output used to create an IWriter to write to a file.
+	 * @param output The IFileOutput to register.
+	 */
+	static void registerOutput(std::shared_ptr<IFileOutput> output);
+
+	/**
+	 * Creates a file reader for the given filename if a registed IFileInput is able to read it.
+	 * @param filename The path to the file.
+	 * @return The reader created.
+	 * @exception Exception If no file input can read the file an exception is thrown.
+	 */
+	static std::shared_ptr<IReader> createReader(std::string filename);
+
+	/**
+	 * Creates a file reader for the given buffer if a registed IFileInput is able to read it.
+	 * @param buffer The buffer to read the file from.
+	 * @return The reader created.
+	 * @exception Exception If no file input can read the file an exception is thrown.
+	 */
+	static std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer);
+
+	/**
+	 * Creates a file writer that writes a sound to the given file path.
+	 * Existing files will be overwritten.
+	 * @param filename The file path to write to.
+	 * @param specs The output specification.
+	 * @param format The container format for the file.
+	 * @param codec The codec used inside the container.
+	 * @param bitrate The bitrate to write with.
+	 * @return A writer that creates the file.
+	 * @exception Exception If no file output can write the file with the given specification an exception is thrown.
+	 */
+	static std::shared_ptr<IWriter> createWriter(std::string filename, DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate);
+};
+
+AUD_NAMESPACE_END