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diff --git a/extern/audaspace/plugins/libsndfile/SndFileWriter.h b/extern/audaspace/plugins/libsndfile/SndFileWriter.h
new file mode 100644
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+++ b/extern/audaspace/plugins/libsndfile/SndFileWriter.h
@@ -0,0 +1,84 @@
+/*******************************************************************************
+ * 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
+
+#ifdef LIBSNDFILE_PLUGIN
+#define AUD_BUILD_PLUGIN
+#endif
+
+/**
+ * @file SndFileWriter.h
+ * @ingroup plugin
+ * The SndFileWriter class.
+ */
+
+#include "file/IWriter.h"
+
+#include <string>
+#include <sndfile.h>
+
+AUD_NAMESPACE_BEGIN
+
+/**
+ * This class writes a sound file via libsndfile.
+ */
+class AUD_PLUGIN_API SndFileWriter : public IWriter
+{
+private:
+	/**
+	 * The current position in samples.
+	 */
+	int m_position;
+
+	/**
+	 * The specification of the audio data.
+	 */
+	DeviceSpecs m_specs;
+
+	/**
+	 * The sndfile.
+	 */
+	SNDFILE* m_sndfile;
+
+	// delete copy constructor and operator=
+	SndFileWriter(const SndFileWriter&) = delete;
+	SndFileWriter& operator=(const SndFileWriter&) = delete;
+
+public:
+	/**
+	 * Creates a new writer.
+	 * \param filename The path to the file to be read.
+	 * \param specs The file's audio specification.
+	 * \param format The file's container format.
+	 * \param codec The codec used for encoding the audio data.
+	 * \param bitrate The bitrate for encoding.
+	 * \exception Exception Thrown if the file specified cannot be written
+	 *                          with libsndfile.
+	 */
+	SndFileWriter(std::string filename, DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate);
+
+	/**
+	 * Destroys the writer and closes the file.
+	 */
+	virtual ~SndFileWriter();
+
+	virtual int getPosition() const;
+	virtual DeviceSpecs getSpecs() const;
+	virtual void write(unsigned int length, sample_t* buffer);
+};
+
+AUD_NAMESPACE_END