forked from bartvdbraak/blender
c8f75fb5b1
Now sounds that stopped playing but are still kept in the device can be differentiated from paused sounds with this state. This should also fix the performance issues mentioned in [#36466] End of SequencerEntrys not set correctly. Please test if sound pausing, resuming and stopping works fine in the BGE and sequencer, my tests all worked fine, but there might be a use case that needs some fixing.
283 lines
7.5 KiB
C++
283 lines
7.5 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* Copyright 2009-2011 Jörg Hermann Müller
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*
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* This file is part of AudaSpace.
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*
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* Audaspace is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* AudaSpace is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Audaspace; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file audaspace/OpenAL/AUD_OpenALDevice.h
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* \ingroup audopenal
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*/
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#ifndef __AUD_OPENALDEVICE_H__
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#define __AUD_OPENALDEVICE_H__
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#include "AUD_IDevice.h"
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#include "AUD_IHandle.h"
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#include "AUD_I3DDevice.h"
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#include "AUD_I3DHandle.h"
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#include "AUD_Buffer.h"
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//struct AUD_OpenALBufferedFactory;
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#include <AL/al.h>
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#include <AL/alc.h>
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#include <list>
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#include <pthread.h>
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/**
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* This device plays through OpenAL.
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*/
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class AUD_OpenALDevice : public AUD_IDevice, public AUD_I3DDevice
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{
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private:
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/// Saves the data for playback.
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class AUD_OpenALHandle : public AUD_IHandle, public AUD_I3DHandle
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{
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public:
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static const int CYCLE_BUFFERS = 3;
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/// Whether it's a buffered or a streamed source.
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bool m_isBuffered;
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/// The reader source.
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boost::shared_ptr<AUD_IReader> m_reader;
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/// Whether to keep the source if end of it is reached.
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bool m_keep;
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/// OpenAL sample format.
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ALenum m_format;
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/// OpenAL source.
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ALuint m_source;
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/// OpenAL buffers.
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ALuint m_buffers[CYCLE_BUFFERS];
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/// The first buffer to be read next.
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int m_current;
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/// Whether the stream doesn't return any more data.
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bool m_eos;
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/// The loop count of the source.
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int m_loopcount;
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/// The stop callback.
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stopCallback m_stop;
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/// Stop callback data.
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void* m_stop_data;
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/// Orientation.
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AUD_Quaternion m_orientation;
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/// Current status of the handle
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AUD_Status m_status;
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/// Own device.
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AUD_OpenALDevice* m_device;
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bool pause(bool keep);
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public:
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/**
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* Creates a new OpenAL handle.
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* \param device The OpenAL device the handle belongs to.
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* \param format The AL format.
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* \param reader The reader this handle plays.
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* \param keep Whether to keep the handle alive when the reader ends.
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*/
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AUD_OpenALHandle(AUD_OpenALDevice* device, ALenum format, boost::shared_ptr<AUD_IReader> reader, bool keep);
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virtual ~AUD_OpenALHandle() {}
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virtual bool pause();
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virtual bool resume();
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virtual bool stop();
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virtual bool getKeep();
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virtual bool setKeep(bool keep);
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virtual bool seek(float position);
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virtual float getPosition();
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virtual AUD_Status getStatus();
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virtual float getVolume();
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virtual bool setVolume(float volume);
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virtual float getPitch();
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virtual bool setPitch(float pitch);
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virtual int getLoopCount();
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virtual bool setLoopCount(int count);
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virtual bool setStopCallback(stopCallback callback = 0, void* data = 0);
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virtual AUD_Vector3 getSourceLocation();
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virtual bool setSourceLocation(const AUD_Vector3& location);
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virtual AUD_Vector3 getSourceVelocity();
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virtual bool setSourceVelocity(const AUD_Vector3& velocity);
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virtual AUD_Quaternion getSourceOrientation();
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virtual bool setSourceOrientation(const AUD_Quaternion& orientation);
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virtual bool isRelative();
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virtual bool setRelative(bool relative);
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virtual float getVolumeMaximum();
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virtual bool setVolumeMaximum(float volume);
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virtual float getVolumeMinimum();
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virtual bool setVolumeMinimum(float volume);
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virtual float getDistanceMaximum();
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virtual bool setDistanceMaximum(float distance);
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virtual float getDistanceReference();
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virtual bool setDistanceReference(float distance);
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virtual float getAttenuation();
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virtual bool setAttenuation(float factor);
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virtual float getConeAngleOuter();
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virtual bool setConeAngleOuter(float angle);
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virtual float getConeAngleInner();
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virtual bool setConeAngleInner(float angle);
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virtual float getConeVolumeOuter();
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virtual bool setConeVolumeOuter(float volume);
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};
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typedef std::list<boost::shared_ptr<AUD_OpenALHandle> >::iterator AUD_HandleIterator;
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/**
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* The OpenAL device handle.
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*/
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ALCdevice* m_device;
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/**
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* The OpenAL context.
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*/
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ALCcontext* m_context;
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/**
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* The specification of the device.
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*/
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AUD_DeviceSpecs m_specs;
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/**
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* Whether the device has the AL_EXT_MCFORMATS extension.
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*/
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bool m_useMC;
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/**
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* The list of sounds that are currently playing.
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*/
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std::list<boost::shared_ptr<AUD_OpenALHandle> > m_playingSounds;
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/**
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* The list of sounds that are currently paused.
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*/
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std::list<boost::shared_ptr<AUD_OpenALHandle> > m_pausedSounds;
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/**
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* The list of buffered factories.
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*/
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//std::list<AUD_OpenALBufferedFactory*>* m_bufferedFactories;
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/**
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* The mutex for locking.
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*/
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pthread_mutex_t m_mutex;
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/**
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* The streaming thread.
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*/
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pthread_t m_thread;
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/**
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* The condition for streaming thread wakeup.
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*/
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bool m_playing;
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/**
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* Buffer size.
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*/
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int m_buffersize;
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/**
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* Device buffer.
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*/
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AUD_Buffer m_buffer;
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/**
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* Orientation.
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*/
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AUD_Quaternion m_orientation;
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/**
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* Starts the streaming thread.
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* \param Whether the previous thread should be joined.
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*/
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void start(bool join = true);
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/**
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* Gets the format according to the specs.
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* \param format The variable to put the format into.
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* \param specs The specs to read the channel count from.
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* \return Whether the format is valid or not.
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*/
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bool getFormat(ALenum &format, AUD_Specs specs);
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// hide copy constructor and operator=
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AUD_OpenALDevice(const AUD_OpenALDevice&);
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AUD_OpenALDevice& operator=(const AUD_OpenALDevice&);
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public:
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/**
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* Opens the OpenAL audio device for playback.
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* \param specs The wanted audio specification.
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* \param buffersize The size of the internal buffer.
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* \note The specification really used for opening the device may differ.
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* \note The buffersize will be multiplicated by three for this device.
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* \exception AUD_Exception Thrown if the audio device cannot be opened.
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*/
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AUD_OpenALDevice(AUD_DeviceSpecs specs,
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int buffersize = AUD_DEFAULT_BUFFER_SIZE);
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/**
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* Streaming thread main function.
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*/
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void updateStreams();
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virtual ~AUD_OpenALDevice();
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virtual AUD_DeviceSpecs getSpecs() const;
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virtual boost::shared_ptr<AUD_IHandle> play(boost::shared_ptr<AUD_IReader> reader, bool keep = false);
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virtual boost::shared_ptr<AUD_IHandle> play(boost::shared_ptr<AUD_IFactory> factory, bool keep = false);
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virtual void stopAll();
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virtual void lock();
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virtual void unlock();
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virtual float getVolume() const;
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virtual void setVolume(float volume);
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virtual AUD_Vector3 getListenerLocation() const;
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virtual void setListenerLocation(const AUD_Vector3& location);
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virtual AUD_Vector3 getListenerVelocity() const;
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virtual void setListenerVelocity(const AUD_Vector3& velocity);
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virtual AUD_Quaternion getListenerOrientation() const;
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virtual void setListenerOrientation(const AUD_Quaternion& orientation);
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virtual float getSpeedOfSound() const;
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virtual void setSpeedOfSound(float speed);
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virtual float getDopplerFactor() const;
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virtual void setDopplerFactor(float factor);
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virtual AUD_DistanceModel getDistanceModel() const;
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virtual void setDistanceModel(AUD_DistanceModel model);
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};
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#endif //__AUD_OPENALDEVICE_H__
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