Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/audaspace/plugins/openal/OpenALReader.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
+
+#ifdef OPENAL_PLUGIN
+#define AUD_BUILD_PLUGIN
+#endif
+
+/**
+ * @file OpenALReader.h
+ * @ingroup plugin
+ * The OpenALReader class.
+ */
+
+#include "IReader.h"
+
+#include <alc.h>
+#include <string>
+#include <vector>
+
+AUD_NAMESPACE_BEGIN
+
+/**
+ * This class is used for sine tone playback.
+ * The output format is in the 16 bit format and stereo, the sample rate can be
+ * specified.
+ * As the two channels both play the same the output could also be mono, but
+ * in most cases this will result in having to resample for output, so stereo
+ * sound is created directly.
+ */
+class AUD_PLUGIN_API OpenALReader : public IReader
+{
+private:
+	/**
+	 * The specs of the reader.
+	 */
+	Specs m_specs;
+
+	/**
+	 * The current position in samples.
+	 */
+	int m_position;
+
+	/**
+	 * The capture device.
+	 */
+	ALCdevice* m_device;
+
+	// delete copy constructor and operator=
+	OpenALReader(const OpenALReader&) = delete;
+	OpenALReader& operator=(const OpenALReader&) = delete;
+
+public:
+	/**
+	 * Creates a new reader.
+	 * \param specs The desired specification of the output samples.
+	 * \param buffersize The buffer size used to read from the device.
+	 * \param name The name of the capture device.
+	 */
+	OpenALReader(Specs specs, int buffersize = AUD_DEFAULT_BUFFER_SIZE, const std::string& name = "");
+
+	virtual ~OpenALReader();
+
+	/**
+	 * Lists all available OpenAL capture devices.
+	 * \return Device names.
+	 */
+	static std::vector<std::string> getDeviceNames();
+
+	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