Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/audaspace/include/fx/VolumeSound.h

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+/*******************************************************************************
+* Copyright 2015-2016 Juan Francisco Crespo Galán
+*
+* 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 VolumeSound.h
+* @ingroup fx
+* The VolumeSound class.
+*/
+
+#include "ISound.h"
+#include "VolumeStorage.h"
+#include <memory>
+
+AUD_NAMESPACE_BEGIN
+
+/**
+* This class allows to create a sound with its own volume.
+*/
+class AUD_API VolumeSound : public ISound
+{
+private:
+	/**
+	* A pointer to a sound.
+	*/
+	std::shared_ptr<ISound> m_sound;
+
+	/**
+	* A pointer to the shared volume being used.
+	*/
+	std::shared_ptr<VolumeStorage> m_volumeStorage;
+
+	// delete copy constructor and operator=
+	VolumeSound(const VolumeSound&) = delete;
+	VolumeSound& operator=(const VolumeSound&) = delete;
+
+public:
+	/**
+	* Creates a new VolumeSound.
+	* \param sound The sound in which shall have its own volume.
+	* \param volumeStorage A shared pointer to a VolumeStorage object. It allows to change the volume of various sound in one go.
+	*/
+	VolumeSound(std::shared_ptr<ISound> sound, std::shared_ptr<VolumeStorage> volumeStorage);
+
+	virtual std::shared_ptr<IReader> createReader();
+
+	/**
+	* Retrieves the shared volume of this sound.
+	* \return A shared pointer to the VolumeStorage object that this sound is using.
+	*/
+	std::shared_ptr<VolumeStorage> getSharedVolume();
+
+	/**
+	* Changes the shared volume of this sound, it'll only affect newly created readers.
+	* \param volumeStorage A shared pointer to the new VolumeStorage object.
+	*/
+	void setSharedVolume(std::shared_ptr<VolumeStorage> volumeStorage);
+};
+
+AUD_NAMESPACE_END