Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/audaspace/include/devices/NULLDevice.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 NULLDevice.h
+ * @ingroup devices
+ * The NULLDevice class.
+ */
+
+#include "devices/IDevice.h"
+#include "devices/IHandle.h"
+
+AUD_NAMESPACE_BEGIN
+
+class IReader;
+
+/**
+ * This device plays nothing.
+ * It is similar to the linux device /dev/null.
+ */
+class AUD_API NULLDevice : public IDevice
+{
+private:
+	class AUD_LOCAL NULLHandle : public IHandle
+	{
+	private:
+		// delete copy constructor and operator=
+		NULLHandle(const NULLHandle&) = delete;
+		NULLHandle& operator=(const NULLHandle&) = delete;
+
+	public:
+
+		NULLHandle();
+
+		virtual ~NULLHandle() {}
+		virtual bool pause();
+		virtual bool resume();
+		virtual bool stop();
+		virtual bool getKeep();
+		virtual bool setKeep(bool keep);
+		virtual bool seek(double position);
+		virtual double getPosition();
+		virtual Status getStatus();
+		virtual float getVolume();
+		virtual bool setVolume(float volume);
+		virtual float getPitch();
+		virtual bool setPitch(float pitch);
+		virtual int getLoopCount();
+		virtual bool setLoopCount(int count);
+		virtual bool setStopCallback(stopCallback callback = 0, void* data = 0);
+	};
+
+	// delete copy constructor and operator=
+	NULLDevice(const NULLDevice&) = delete;
+	NULLDevice& operator=(const NULLDevice&) = delete;
+
+public:
+	/**
+	 * Creates a new NULLDevice.
+	 */
+	NULLDevice();
+
+	virtual ~NULLDevice();
+
+	virtual DeviceSpecs getSpecs() const;
+	virtual std::shared_ptr<IHandle> play(std::shared_ptr<IReader> reader, bool keep = false);
+	virtual std::shared_ptr<IHandle> play(std::shared_ptr<ISound> sound, bool keep = false);
+	virtual void stopAll();
+	virtual void lock();
+	virtual void unlock();
+	virtual float getVolume() const;
+	virtual void setVolume(float volume);
+
+	virtual void seekSynchronizer(double time);
+	virtual double getSynchronizerPosition();
+	virtual void playSynchronizer();
+	virtual void stopSynchronizer();
+	virtual void setSyncCallback(syncFunction function, void* data);
+	virtual int isSynchronizerPlaying();
+
+	/**
+	 * Registers this plugin.
+	 */
+	static void registerPlugin();
+};
+
+AUD_NAMESPACE_END