Differential D2716 Diff 8940 extern/audaspace/demos/audaplay.cpp

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extern/audaspace/demos/audaplay.cpp

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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.
				******************************************************************************/

				#include "devices/DeviceManager.h"
				#include "devices/IDevice.h"
				#include "devices/IDeviceFactory.h"
				#include "devices/IHandle.h"
				#include "plugin/PluginManager.h"
				#include "file/File.h"
				#include "Exception.h"
				#include "IReader.h"

				#include <iostream>
				#include <chrono>
				#include <condition_variable>
				#include <mutex>

				using namespace aud;

				int main(int argc, char* argv[])
				{
				if(argc != 2)
				{
				std::cerr << "Usage: " << argv[0] << " <filename>" << std::endl;
				return 1;
				}

				PluginManager::loadPlugins("");

				DeviceSpecs specs;
				specs.format = FORMAT_FLOAT32;

				File file(argv[1]);
				std::shared_ptr<IReader> reader;

				try
				{
				reader = file.createReader();
				}
				catch(Exception& e)
				{
				std::cerr << "Error opening file " << argv[1] << " - " << e.getMessage() << std::endl;
				return 2;
				}

				specs.specs = reader->getSpecs();

				auto factory = DeviceManager::getDefaultDeviceFactory();
				factory->setSpecs(specs);
				auto device = factory->openDevice();

				auto duration = std::chrono::seconds(reader->getLength()) / specs.rate;
				std::cout << "Estimated duration: " << duration.count() << " seconds" << std::endl;

				std::condition_variable condition;
				std::mutex mutex;
				std::unique_lock<std::mutex> lock(mutex);

				auto release = [](void* condition){reinterpret_cast<std::condition_variable*>(condition)->notify_all();};

				device->lock();
				auto handle = device->play(reader);
				handle->setStopCallback(release, &condition);
				device->unlock();

				condition.wait(lock);

				return 0;
				}