Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/audaspace/include/util/BufferReader.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 BufferReader.h
+ * @ingroup util
+ * The BufferReader class.
+ */
+
+#include "IReader.h"
+
+#include <memory>
+
+AUD_NAMESPACE_BEGIN
+
+class Buffer;
+
+/**
+ * This class represents a simple reader from a buffer that exists in memory.
+ * \warning Notice that the buffer is not multi-threading ready, so changing the
+ *          buffer while the reader is reading is potentially dangerous.
+ */
+class AUD_API BufferReader : public IReader
+{
+private:
+	/**
+	 * The current position in the buffer.
+	 */
+	int m_position;
+
+	/**
+	 * The buffer that is read.
+	 */
+	std::shared_ptr<Buffer> m_buffer;
+
+	/**
+	 * The specification of the sample data in the buffer.
+	 */
+	Specs m_specs;
+
+	// delete copy constructor and operator=
+	BufferReader(const BufferReader&) = delete;
+	BufferReader& operator=(const BufferReader&) = delete;
+
+public:
+	/**
+	 * Creates a new buffer reader.
+	 * \param buffer The buffer to read from.
+	 * \param specs The specification of the sample data in the buffer.
+	 */
+	BufferReader(std::shared_ptr<Buffer> buffer, Specs specs);
+
+	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