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diff --git a/extern/audaspace/include/file/IFileInput.h b/extern/audaspace/include/file/IFileInput.h
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+++ b/extern/audaspace/include/file/IFileInput.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 IFileInput.h
+ * @ingroup file
+ * The IFileInput interface.
+ */
+
+#include "Audaspace.h"
+
+#include <memory>
+#include <string>
+
+AUD_NAMESPACE_BEGIN
+
+class IReader;
+class Buffer;
+
+/**
+ * @interface IFileInput
+ * The IFileInput interface represents a file input plugin that can create file
+ * input readers from filenames or buffers.
+ */
+class AUD_API IFileInput
+{
+public:
+	/**
+	 * Creates a reader for a file to be read.
+	 * \param filename Path to the file to be read.
+	 * \return The reader that reads the file.
+	 * \exception Exception Thrown if the file specified cannot be read.
+	 */
+	virtual std::shared_ptr<IReader> createReader(std::string filename)=0;
+
+	/**
+	 * Creates a reader for a file to be read from memory.
+	 * \param buffer The in-memory file buffer.
+	 * \return The reader that reads the file.
+	 * \exception Exception Thrown if the file specified cannot be read.
+	 */
+	virtual std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer)=0;
+};
+
+AUD_NAMESPACE_END