Differential D2716 Diff 9118 extern/audaspace/plugins/sdl/SDLDevice.h

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extern/audaspace/plugins/sdl/SDLDevice.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 SDL_PLUGIN
				#define AUD_BUILD_PLUGIN
				#endif

				/**
				* @file SDLDevice.h
				* @ingroup plugin
				* The SDLDevice class.
				*/

				#include "devices/SoftwareDevice.h"

				#include <SDL.h>

				AUD_NAMESPACE_BEGIN

				/**
				* This device plays back through SDL, the simple direct media layer.
				*/
				class AUD_PLUGIN_API SDLDevice : public SoftwareDevice
				{
				private:
				/**
				* Whether there is currently playback.
				*/
				bool m_playback;

				/**
				* Mixes the next bytes into the buffer.
				* \param data The SDL device.
				* \param buffer The target buffer.
				* \param length The length in bytes to be filled.
				*/
				AUD_LOCAL static void SDL_mix(void* data, Uint8* buffer, int length);

				// delete copy constructor and operator=
				SDLDevice(const SDLDevice&) = delete;
				SDLDevice& operator=(const SDLDevice&) = delete;

				protected:
				virtual void playing(bool playing);

				public:
				/**
				* Opens the SDL audio device for playback.
				* \param specs The wanted audio specification.
				* \param buffersize The size of the internal buffer.
				* \note The specification really used for opening the device may differ.
				* \exception Exception Thrown if the audio device cannot be opened.
				*/
				SDLDevice(DeviceSpecs specs, int buffersize = AUD_DEFAULT_BUFFER_SIZE);

				/**
				* Closes the SDL audio device.
				*/
				virtual ~SDLDevice();

				/**
				* Registers this plugin.
				*/
				static void registerPlugin();
				};

				AUD_NAMESPACE_END