Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/audaspace/include/sequence/DoubleReader.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 DoubleReader.h
+ * @ingroup sequence
+ * The DoubleReader class.
+ */
+
+#include "IReader.h"
+
+#include <memory>
+
+AUD_NAMESPACE_BEGIN
+
+/**
+ * This reader plays two readers sequently.
+ */
+class AUD_API DoubleReader : public IReader
+{
+private:
+	/**
+	 * The first reader.
+	 */
+	std::shared_ptr<IReader> m_reader1;
+
+	/**
+	 * The second reader.
+	 */
+	std::shared_ptr<IReader> m_reader2;
+
+	/**
+	 * Whether we've reached the end of the first reader.
+	 */
+	bool m_finished1;
+
+	// delete copy constructor and operator=
+	DoubleReader(const DoubleReader&) = delete;
+	DoubleReader& operator=(const DoubleReader&) = delete;
+
+public:
+	/**
+	 * Creates a new double reader.
+	 * \param reader1 The first reader to read from.
+	 * \param reader2 The second reader to read from.
+	 */
+	DoubleReader(std::shared_ptr<IReader> reader1, std::shared_ptr<IReader> reader2);
+
+	/**
+	 * Destroys the reader.
+	 */
+	virtual ~DoubleReader();
+
+	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