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diff --git a/extern/audaspace/include/sequence/SequenceReader.h b/extern/audaspace/include/sequence/SequenceReader.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 SequenceReader.h
+ * @ingroup sequence
+ * The SequenceReader class.
+ */
+
+#include "IReader.h"
+#include "devices/ReadDevice.h"
+
+AUD_NAMESPACE_BEGIN
+
+class SequenceHandle;
+class SequenceData;
+
+/**
+ * This reader plays back sequenced entries.
+ */
+class AUD_API SequenceReader : public IReader
+{
+private:
+	/**
+	 * The current position.
+	 */
+	int m_position;
+
+	/**
+	 * The read device used to mix the sounds correctly.
+	 */
+	ReadDevice m_device;
+
+	/**
+	 * Saves the sequence the reader belongs to.
+	 */
+	std::shared_ptr<SequenceData> m_sequence;
+
+	/**
+	 * The list of playback handles for the entries.
+	 */
+	std::list<std::shared_ptr<SequenceHandle> > m_handles;
+
+	/**
+	 * Last status read from the sequence.
+	 */
+	int m_status;
+
+	/**
+	 * Last entry status read from the sequence.
+	 */
+	int m_entry_status;
+
+	// delete copy constructor and operator=
+	SequenceReader(const SequenceReader&) = delete;
+	SequenceReader& operator=(const SequenceReader&) = delete;
+
+public:
+	/**
+	 * Creates a resampling reader.
+	 * \param sequence The sequence data.
+	 * \param quality Whether a high quality resample should be used for resampling.
+	 */
+	SequenceReader(std::shared_ptr<SequenceData> sequence, bool quality = false);
+
+	/**
+	 * Destroys the reader.
+	 */
+	~SequenceReader();
+
+	virtual bool isSeekable() const;
+	virtual void seek(int position);
+	virtual int getLength() const;
+	virtual int getPosition() const;
+	virtual Specs getSpecs() const;
+	virtual void read(int& length, bool& eos, sample_t* buffer);
+};
+
+AUD_NAMESPACE_END