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Diffstat (limited to 'intern/audaspace/OpenAL/AUD_OpenALDevice.h')
| -rw-r--r-- | intern/audaspace/OpenAL/AUD_OpenALDevice.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/intern/audaspace/OpenAL/AUD_OpenALDevice.h b/intern/audaspace/OpenAL/AUD_OpenALDevice.h new file mode 100644 index 00000000000..074cd3d1924 --- /dev/null +++ b/intern/audaspace/OpenAL/AUD_OpenALDevice.h @@ -0,0 +1,171 @@ +/* + * $Id$ + * + * ***** BEGIN LGPL LICENSE BLOCK ***** + * + * Copyright 2009 Jörg Hermann Müller + * + * This file is part of AudaSpace. + * + * AudaSpace is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * AudaSpace is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with AudaSpace. If not, see <http://www.gnu.org/licenses/>. + * + * ***** END LGPL LICENSE BLOCK ***** + */ + +#ifndef AUD_OPENALDEVICE +#define AUD_OPENALDEVICE + +#include "AUD_IDevice.h" +#include "AUD_I3DDevice.h" +struct AUD_OpenALHandle; +struct AUD_OpenALBufferedFactory; +class AUD_ConverterFactory; + +#include <AL/al.h> +#include <AL/alc.h> +#include <list> +#include <pthread.h> + +/** + * This device plays through OpenAL. + */ +class AUD_OpenALDevice : public AUD_IDevice, public AUD_I3DDevice +{ +private: + /** + * The OpenAL device handle. + */ + ALCdevice* m_device; + + /** + * The OpenAL context. + */ + ALCcontext* m_context; + + /** + * The specification of the device. + */ + AUD_Specs m_specs; + + /** + * Whether the device has the AL_EXT_MCFORMATS extension. + */ + bool m_useMC; + + /** + * The converter factory for readers with wrong input format. + */ + AUD_ConverterFactory* m_converter; + + /** + * The list of sounds that are currently playing. + */ + std::list<AUD_OpenALHandle*>* m_playingSounds; + + /** + * The list of sounds that are currently paused. + */ + std::list<AUD_OpenALHandle*>* m_pausedSounds; + + /** + * The list of buffered factories. + */ + std::list<AUD_OpenALBufferedFactory*>* m_bufferedFactories; + + /** + * The mutex for locking. + */ + pthread_mutex_t m_mutex; + + /** + * The streaming thread. + */ + pthread_t m_thread; + + /** + * The condition for streaming thread wakeup. + */ + bool m_playing; + + /** + * Buffer size. + */ + int m_buffersize; + + /** + * Starts the streaming thread. + */ + void start(); + + /** + * Checks if a handle is valid. + * \param handle The handle to check. + * \return Whether the handle is valid. + */ + bool isValid(AUD_Handle* handle); + + /** + * Gets the format according to the specs. + * \param format The variable to put the format into. + * \param specs The specs to read the format from. + * \return Whether the format is valid or not. + */ + bool getFormat(ALenum &format, AUD_Specs specs); + +public: + /** + * Opens the OpenAL 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. + * \note The buffersize will be multiplicated by three for this device. + * \exception AUD_Exception Thrown if the audio device cannot be opened. + */ + AUD_OpenALDevice(AUD_Specs specs, int buffersize = AUD_DEFAULT_BUFFER_SIZE); + + /** + * Streaming thread main function. + */ + void updateStreams(); + + virtual ~AUD_OpenALDevice(); + + virtual AUD_Specs getSpecs(); + virtual AUD_Handle* play(AUD_IFactory* factory, bool keep = false); + virtual bool pause(AUD_Handle* handle); + virtual bool resume(AUD_Handle* handle); + virtual bool stop(AUD_Handle* handle); + virtual bool setKeep(AUD_Handle* handle, bool keep); + virtual bool sendMessage(AUD_Handle* handle, AUD_Message &message); + virtual bool seek(AUD_Handle* handle, float position); + virtual float getPosition(AUD_Handle* handle); + virtual AUD_Status getStatus(AUD_Handle* handle); + virtual void lock(); + virtual void unlock(); + virtual bool checkCapability(int capability); + virtual bool setCapability(int capability, void *value); + virtual bool getCapability(int capability, void *value); + + virtual AUD_Handle* play3D(AUD_IFactory* factory, bool keep = false); + virtual bool updateListener(AUD_3DData &data); + virtual bool setSetting(AUD_3DSetting setting, float value); + virtual float getSetting(AUD_3DSetting setting); + virtual bool updateSource(AUD_Handle* handle, AUD_3DData &data); + virtual bool setSourceSetting(AUD_Handle* handle, + AUD_3DSourceSetting setting, float value); + virtual float getSourceSetting(AUD_Handle* handle, + AUD_3DSourceSetting setting); +}; + +#endif //AUD_OPENALDEVICE |