Differential D1358 Diff 4476 extern/audaspace/src/devices/NULLDevice.cpp

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extern/audaspace/src/devices/NULLDevice.cpp

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				/*******************************************************************************
				* Copyright 2009-2015 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.
				******************************************************************************/

				#include "devices/NULLDevice.h"
				#include "devices/DeviceManager.h"
				#include "devices/IDeviceFactory.h"

				#include <limits>
				#include <string>

				AUD_NAMESPACE_BEGIN

				NULLDevice::NULLHandle::NULLHandle()
				{
				}

				bool NULLDevice::NULLHandle::pause()
				{
				return false;
				}

				bool NULLDevice::NULLHandle::resume()
				{
				return false;
				}

				bool NULLDevice::NULLHandle::stop()
				{
				return false;
				}

				bool NULLDevice::NULLHandle::getKeep()
				{
				return false;
				}

				bool NULLDevice::NULLHandle::setKeep(bool keep)
				{
				return false;
				}

				bool NULLDevice::NULLHandle::seek(float position)
				{
				return false;
				}

				float NULLDevice::NULLHandle::getPosition()
				{
				return std::numeric_limits<float>::quiet_NaN();
				}

				Status NULLDevice::NULLHandle::getStatus()
				{
				return STATUS_INVALID;
				}

				float NULLDevice::NULLHandle::getVolume()
				{
				return std::numeric_limits<float>::quiet_NaN();
				}

				bool NULLDevice::NULLHandle::setVolume(float volume)
				{
				return false;
				}

				float NULLDevice::NULLHandle::getPitch()
				{
				return std::numeric_limits<float>::quiet_NaN();
				}

				bool NULLDevice::NULLHandle::setPitch(float pitch)
				{
				return false;
				}

				int NULLDevice::NULLHandle::getLoopCount()
				{
				return 0;
				}

				bool NULLDevice::NULLHandle::setLoopCount(int count)
				{
				return false;
				}

				bool NULLDevice::NULLHandle::setStopCallback(stopCallback callback, void* data)
				{
				return false;
				}

				NULLDevice::NULLDevice()
				{
				}

				NULLDevice::~NULLDevice()
				{
				}

				DeviceSpecs NULLDevice::getSpecs() const
				{
				DeviceSpecs specs;
				specs.channels = CHANNELS_INVALID;
				specs.format = FORMAT_INVALID;
				specs.rate = RATE_INVALID;
				return specs;
				}

				std::shared_ptr<IHandle> NULLDevice::play(std::shared_ptr<IReader> reader, bool keep)
				{
				return std::shared_ptr<IHandle>(new NULLHandle());
				}

				std::shared_ptr<IHandle> NULLDevice::play(std::shared_ptr<ISound> sound, bool keep)
				{
				return std::shared_ptr<IHandle>(new NULLHandle());
				}

				void NULLDevice::stopAll()
				{
				}

				void NULLDevice::lock()
				{
				}

				void NULLDevice::unlock()
				{
				}

				float NULLDevice::getVolume() const
				{
				return std::numeric_limits<float>::quiet_NaN();
				}

				void NULLDevice::setVolume(float volume)
				{
				}

				ISynchronizer* NULLDevice::getSynchronizer()
				{
				return nullptr;
				}

				class NULLDeviceFactory : public IDeviceFactory
				{
				public:
				NULLDeviceFactory()
				{
				}

				virtual std::shared_ptr<IDevice> openDevice()
				{
				return std::shared_ptr<IDevice>(new NULLDevice());
				}

				virtual int getPriority()
				{
				return std::numeric_limits<int>::min();
				}

				virtual void setSpecs(DeviceSpecs specs)
				{
				}

				virtual void setBufferSize(int buffersize)
				{
				}

				virtual void setName(std::string name)
				{
				}
				};

				void NULLDevice::registerPlugin()
				{
				DeviceManager::registerDevice("Null", std::shared_ptr<IDeviceFactory>(new NULLDeviceFactory));
				}

				AUD_NAMESPACE_END