mirror of
https://gitlab.com/OpenMW/openmw.git
synced 2025-01-11 00:39:59 +00:00
829 lines
20 KiB
C++
829 lines
20 KiB
C++
#include <algorithm>
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#include <stdexcept>
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#include <iostream>
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#include <vector>
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#include <boost/thread.hpp>
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#include "openal_output.hpp"
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#include "sound_decoder.hpp"
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#include "sound.hpp"
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#include "soundmanagerimp.hpp"
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#ifndef ALC_ALL_DEVICES_SPECIFIER
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#define ALC_ALL_DEVICES_SPECIFIER 0x1013
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#endif
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namespace MWSound
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{
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static void fail(const std::string &msg)
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{ throw std::runtime_error("OpenAL exception: " + msg); }
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static void throwALCerror(ALCdevice *device)
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{
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ALCenum err = alcGetError(device);
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if(err != ALC_NO_ERROR)
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{
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const ALCchar *errstring = alcGetString(device, err);
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fail(errstring ? errstring : "");
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}
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}
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static void throwALerror()
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{
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ALenum err = alGetError();
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if(err != AL_NO_ERROR)
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{
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const ALchar *errstring = alGetString(err);
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fail(errstring ? errstring : "");
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}
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}
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static ALenum getALFormat(ChannelConfig chans, SampleType type)
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{
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static const struct {
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ALenum format;
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ChannelConfig chans;
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SampleType type;
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} fmtlist[] = {
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{ AL_FORMAT_MONO16, ChannelConfig_Mono, SampleType_Int16 },
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{ AL_FORMAT_MONO8, ChannelConfig_Mono, SampleType_UInt8 },
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{ AL_FORMAT_STEREO16, ChannelConfig_Stereo, SampleType_Int16 },
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{ AL_FORMAT_STEREO8, ChannelConfig_Stereo, SampleType_UInt8 },
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};
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static const size_t fmtlistsize = sizeof(fmtlist)/sizeof(fmtlist[0]);
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for(size_t i = 0;i < fmtlistsize;i++)
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{
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if(fmtlist[i].chans == chans && fmtlist[i].type == type)
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return fmtlist[i].format;
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}
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fail(std::string("Unsupported sound format (")+getChannelConfigName(chans)+", "+getSampleTypeName(type)+")");
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return AL_NONE;
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}
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//
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// A streaming OpenAL sound.
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//
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class OpenAL_SoundStream : public Sound
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{
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static const ALuint sNumBuffers = 6;
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static const ALfloat sBufferLength;
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OpenAL_Output &mOutput;
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ALuint mSource;
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ALuint mBuffers[sNumBuffers];
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ALenum mFormat;
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ALsizei mSampleRate;
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ALuint mBufferSize;
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DecoderPtr mDecoder;
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volatile bool mIsFinished;
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OpenAL_SoundStream(const OpenAL_SoundStream &rhs);
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OpenAL_SoundStream& operator=(const OpenAL_SoundStream &rhs);
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public:
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OpenAL_SoundStream(OpenAL_Output &output, ALuint src, DecoderPtr decoder);
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virtual ~OpenAL_SoundStream();
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virtual void stop();
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virtual bool isPlaying();
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virtual void update();
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void play();
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bool process();
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};
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const ALfloat OpenAL_SoundStream::sBufferLength = 0.125f;
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//
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// A background streaming thread (keeps active streams processed)
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//
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struct OpenAL_Output::StreamThread {
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typedef std::vector<OpenAL_SoundStream*> StreamVec;
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StreamVec mStreams;
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boost::mutex mMutex;
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boost::thread mThread;
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StreamThread()
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: mThread(boost::ref(*this))
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{
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}
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~StreamThread()
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{
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mThread.interrupt();
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}
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// boost::thread entry point
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void operator()()
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{
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while(1)
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{
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mMutex.lock();
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StreamVec::iterator iter = mStreams.begin();
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while(iter != mStreams.end())
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{
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if((*iter)->process() == false)
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iter = mStreams.erase(iter);
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else
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iter++;
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}
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mMutex.unlock();
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boost::this_thread::sleep(boost::posix_time::milliseconds(50));
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}
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}
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void add(OpenAL_SoundStream *stream)
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{
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mMutex.lock();
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if(std::find(mStreams.begin(), mStreams.end(), stream) == mStreams.end())
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mStreams.push_back(stream);
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mMutex.unlock();
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}
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void remove(OpenAL_SoundStream *stream)
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{
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mMutex.lock();
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StreamVec::iterator iter = std::find(mStreams.begin(), mStreams.end(), stream);
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if(iter != mStreams.end())
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mStreams.erase(iter);
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mMutex.unlock();
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}
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void removeAll()
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{
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mMutex.lock();
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mStreams.clear();
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mMutex.unlock();
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}
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private:
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StreamThread(const StreamThread &rhs);
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StreamThread& operator=(const StreamThread &rhs);
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};
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OpenAL_SoundStream::OpenAL_SoundStream(OpenAL_Output &output, ALuint src, DecoderPtr decoder)
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: mOutput(output), mSource(src), mDecoder(decoder), mIsFinished(true)
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{
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throwALerror();
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alGenBuffers(sNumBuffers, mBuffers);
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throwALerror();
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try
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{
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int srate;
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ChannelConfig chans;
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SampleType type;
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mDecoder->getInfo(&srate, &chans, &type);
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mFormat = getALFormat(chans, type);
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mSampleRate = srate;
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mBufferSize = static_cast<ALuint>(sBufferLength*srate);
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mBufferSize = framesToBytes(mBufferSize, chans, type);
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}
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catch(std::exception &e)
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{
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alDeleteBuffers(sNumBuffers, mBuffers);
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alGetError();
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throw;
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}
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}
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OpenAL_SoundStream::~OpenAL_SoundStream()
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{
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mOutput.mStreamThread->remove(this);
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alSourceStop(mSource);
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alSourcei(mSource, AL_BUFFER, 0);
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mOutput.mFreeSources.push_back(mSource);
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alDeleteBuffers(sNumBuffers, mBuffers);
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alGetError();
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mDecoder->close();
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}
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void OpenAL_SoundStream::play()
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{
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std::vector<char> data(mBufferSize);
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alSourceStop(mSource);
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alSourcei(mSource, AL_BUFFER, 0);
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throwALerror();
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for(ALuint i = 0;i < sNumBuffers;i++)
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{
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size_t got;
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got = mDecoder->read(&data[0], data.size());
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alBufferData(mBuffers[i], mFormat, &data[0], got, mSampleRate);
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}
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throwALerror();
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alSourceQueueBuffers(mSource, sNumBuffers, mBuffers);
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alSourcePlay(mSource);
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throwALerror();
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mIsFinished = false;
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mOutput.mStreamThread->add(this);
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}
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void OpenAL_SoundStream::stop()
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{
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mOutput.mStreamThread->remove(this);
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mIsFinished = true;
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alSourceStop(mSource);
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alSourcei(mSource, AL_BUFFER, 0);
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throwALerror();
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mDecoder->rewind();
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}
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bool OpenAL_SoundStream::isPlaying()
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{
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ALint state;
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alGetSourcei(mSource, AL_SOURCE_STATE, &state);
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throwALerror();
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if(state == AL_PLAYING)
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return true;
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return !mIsFinished;
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}
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void OpenAL_SoundStream::update()
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{
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ALfloat gain = mVolume*mBaseVolume;
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ALfloat pitch = mPitch;
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if(!(mFlags&MWBase::SoundManager::Play_NoEnv) && mOutput.mLastEnvironment == Env_Underwater)
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{
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gain *= 0.9f;
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pitch *= 0.7f;
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}
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alSourcef(mSource, AL_GAIN, gain);
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alSourcef(mSource, AL_PITCH, pitch);
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alSource3f(mSource, AL_POSITION, mPos[0], mPos[2], -mPos[1]);
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alSource3f(mSource, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
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alSource3f(mSource, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
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throwALerror();
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}
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bool OpenAL_SoundStream::process()
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{
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bool finished = mIsFinished;
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ALint processed, state;
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alGetSourcei(mSource, AL_SOURCE_STATE, &state);
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alGetSourcei(mSource, AL_BUFFERS_PROCESSED, &processed);
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throwALerror();
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if(processed > 0)
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{
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std::vector<char> data(mBufferSize);
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do {
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ALuint bufid;
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size_t got;
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alSourceUnqueueBuffers(mSource, 1, &bufid);
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processed--;
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if(finished)
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continue;
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got = mDecoder->read(&data[0], data.size());
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finished = (got < data.size());
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if(got > 0)
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{
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alBufferData(bufid, mFormat, &data[0], got, mSampleRate);
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alSourceQueueBuffers(mSource, 1, &bufid);
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}
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} while(processed > 0);
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throwALerror();
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}
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if(state != AL_PLAYING && state != AL_PAUSED)
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{
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ALint queued;
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alGetSourcei(mSource, AL_BUFFERS_QUEUED, &queued);
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throwALerror();
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if(queued > 0)
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{
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alSourcePlay(mSource);
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throwALerror();
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}
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}
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mIsFinished = finished;
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return !finished;
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}
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//
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// A regular 2D OpenAL sound
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//
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class OpenAL_Sound : public Sound
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{
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protected:
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OpenAL_Output &mOutput;
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ALuint mSource;
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ALuint mBuffer;
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private:
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OpenAL_Sound(const OpenAL_Sound &rhs);
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OpenAL_Sound& operator=(const OpenAL_Sound &rhs);
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public:
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OpenAL_Sound(OpenAL_Output &output, ALuint src, ALuint buf);
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virtual ~OpenAL_Sound();
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virtual void stop();
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virtual bool isPlaying();
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virtual void update();
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};
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//
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// A regular 3D OpenAL sound
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//
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class OpenAL_Sound3D : public OpenAL_Sound
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{
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OpenAL_Sound3D(const OpenAL_Sound &rhs);
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OpenAL_Sound3D& operator=(const OpenAL_Sound &rhs);
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public:
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OpenAL_Sound3D(OpenAL_Output &output, ALuint src, ALuint buf)
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: OpenAL_Sound(output, src, buf)
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{ }
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virtual void update();
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};
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OpenAL_Sound::OpenAL_Sound(OpenAL_Output &output, ALuint src, ALuint buf)
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: mOutput(output), mSource(src), mBuffer(buf)
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{
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}
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OpenAL_Sound::~OpenAL_Sound()
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{
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alSourceStop(mSource);
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alSourcei(mSource, AL_BUFFER, 0);
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mOutput.mFreeSources.push_back(mSource);
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mOutput.bufferFinished(mBuffer);
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}
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void OpenAL_Sound::stop()
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{
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alSourceStop(mSource);
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throwALerror();
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}
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bool OpenAL_Sound::isPlaying()
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{
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ALint state;
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alGetSourcei(mSource, AL_SOURCE_STATE, &state);
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throwALerror();
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return state==AL_PLAYING;
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}
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void OpenAL_Sound::update()
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{
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ALfloat gain = mVolume*mBaseVolume;
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ALfloat pitch = mPitch;
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if(!(mFlags&MWBase::SoundManager::Play_NoEnv) && mOutput.mLastEnvironment == Env_Underwater)
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{
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gain *= 0.9f;
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pitch *= 0.7f;
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}
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alSourcef(mSource, AL_GAIN, gain);
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alSourcef(mSource, AL_PITCH, pitch);
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alSource3f(mSource, AL_POSITION, mPos[0], mPos[2], -mPos[1]);
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alSource3f(mSource, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
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alSource3f(mSource, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
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throwALerror();
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}
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void OpenAL_Sound3D::update()
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{
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ALfloat gain = mVolume*mBaseVolume;
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ALfloat pitch = mPitch;
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if(mPos.squaredDistance(mOutput.mPos) > mMaxDistance*mMaxDistance)
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gain = 0.0f;
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else if(!(mFlags&MWBase::SoundManager::Play_NoEnv) && mOutput.mLastEnvironment == Env_Underwater)
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{
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gain *= 0.9f;
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pitch *= 0.7f;
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}
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alSourcef(mSource, AL_GAIN, gain);
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alSourcef(mSource, AL_PITCH, pitch);
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alSource3f(mSource, AL_POSITION, mPos[0], mPos[2], -mPos[1]);
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alSource3f(mSource, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
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alSource3f(mSource, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
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throwALerror();
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}
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//
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// An OpenAL output device
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//
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std::vector<std::string> OpenAL_Output::enumerate()
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{
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std::vector<std::string> devlist;
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const ALCchar *devnames;
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if(alcIsExtensionPresent(NULL, "ALC_ENUMERATE_ALL_EXT"))
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devnames = alcGetString(NULL, ALC_ALL_DEVICES_SPECIFIER);
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else
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devnames = alcGetString(NULL, ALC_DEVICE_SPECIFIER);
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while(devnames && *devnames)
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{
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devlist.push_back(devnames);
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devnames += strlen(devnames)+1;
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}
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return devlist;
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}
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void OpenAL_Output::init(const std::string &devname)
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{
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deinit();
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mDevice = alcOpenDevice(devname.c_str());
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if(!mDevice)
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{
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if(devname.empty())
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fail("Failed to open default device");
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else
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fail("Failed to open \""+devname+"\"");
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}
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else
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{
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const ALCchar *name = NULL;
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if(alcIsExtensionPresent(mDevice, "ALC_ENUMERATE_ALL_EXT"))
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name = alcGetString(mDevice, ALC_ALL_DEVICES_SPECIFIER);
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if(alcGetError(mDevice) != AL_NO_ERROR || !name)
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name = alcGetString(mDevice, ALC_DEVICE_SPECIFIER);
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std::cout << "Opened \""<<name<<"\"" << std::endl;
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}
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mContext = alcCreateContext(mDevice, NULL);
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if(!mContext || alcMakeContextCurrent(mContext) == ALC_FALSE)
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{
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if(mContext)
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alcDestroyContext(mContext);
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mContext = 0;
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fail(std::string("Failed to setup context: ")+alcGetString(mDevice, alcGetError(mDevice)));
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}
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alDistanceModel(AL_LINEAR_DISTANCE_CLAMPED);
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throwALerror();
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ALCint maxmono=0, maxstereo=0;
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alcGetIntegerv(mDevice, ALC_MONO_SOURCES, 1, &maxmono);
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alcGetIntegerv(mDevice, ALC_STEREO_SOURCES, 1, &maxstereo);
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throwALCerror(mDevice);
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try
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{
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ALCuint maxtotal = std::min<ALCuint>(maxmono+maxstereo, 256);
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if (maxtotal == 0) // workaround for broken implementations
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maxtotal = 256;
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for(size_t i = 0;i < maxtotal;i++)
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{
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ALuint src = 0;
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alGenSources(1, &src);
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throwALerror();
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mFreeSources.push_back(src);
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}
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}
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catch(std::exception &e)
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{
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std::cout <<"Error: "<<e.what()<<", trying to continue"<< std::endl;
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}
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if(mFreeSources.empty())
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fail("Could not allocate any sources");
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mInitialized = true;
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}
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void OpenAL_Output::deinit()
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{
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mStreamThread->removeAll();
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while(!mFreeSources.empty())
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{
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alDeleteSources(1, &mFreeSources.front());
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mFreeSources.pop_front();
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}
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mBufferRefs.clear();
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mUnusedBuffers.clear();
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while(!mBufferCache.empty())
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{
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alDeleteBuffers(1, &mBufferCache.begin()->second);
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mBufferCache.erase(mBufferCache.begin());
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}
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alcMakeContextCurrent(0);
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if(mContext)
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alcDestroyContext(mContext);
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mContext = 0;
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if(mDevice)
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alcCloseDevice(mDevice);
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mDevice = 0;
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mInitialized = false;
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}
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ALuint OpenAL_Output::getBuffer(const std::string &fname)
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{
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ALuint buf = 0;
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NameMap::iterator iditer = mBufferCache.find(fname);
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if(iditer != mBufferCache.end())
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{
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buf = iditer->second;
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if(mBufferRefs[buf]++ == 0)
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{
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IDDq::iterator iter = std::find(mUnusedBuffers.begin(),
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mUnusedBuffers.end(), buf);
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if(iter != mUnusedBuffers.end())
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mUnusedBuffers.erase(iter);
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}
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|
|
return buf;
|
|
}
|
|
throwALerror();
|
|
|
|
std::vector<char> data;
|
|
ChannelConfig chans;
|
|
SampleType type;
|
|
ALenum format;
|
|
int srate;
|
|
|
|
DecoderPtr decoder = mManager.getDecoder();
|
|
try
|
|
{
|
|
decoder->open(fname);
|
|
}
|
|
catch(Ogre::FileNotFoundException &e)
|
|
{
|
|
std::string::size_type pos = fname.rfind('.');
|
|
if(pos == std::string::npos)
|
|
throw;
|
|
decoder->open(fname.substr(0, pos)+".mp3");
|
|
}
|
|
|
|
decoder->getInfo(&srate, &chans, &type);
|
|
format = getALFormat(chans, type);
|
|
|
|
decoder->readAll(data);
|
|
decoder->close();
|
|
|
|
alGenBuffers(1, &buf);
|
|
throwALerror();
|
|
|
|
alBufferData(buf, format, &data[0], data.size(), srate);
|
|
mBufferCache[fname] = buf;
|
|
mBufferRefs[buf] = 1;
|
|
|
|
ALint bufsize = 0;
|
|
alGetBufferi(buf, AL_SIZE, &bufsize);
|
|
mBufferCacheMemSize += bufsize;
|
|
|
|
// NOTE: Max buffer cache: 15MB
|
|
while(mBufferCacheMemSize > 15*1024*1024)
|
|
{
|
|
if(mUnusedBuffers.empty())
|
|
{
|
|
std::cout <<"No more unused buffers to clear!"<< std::endl;
|
|
break;
|
|
}
|
|
|
|
ALuint oldbuf = mUnusedBuffers.front();
|
|
mUnusedBuffers.pop_front();
|
|
|
|
NameMap::iterator nameiter = mBufferCache.begin();
|
|
while(nameiter != mBufferCache.end())
|
|
{
|
|
if(nameiter->second == oldbuf)
|
|
mBufferCache.erase(nameiter++);
|
|
else
|
|
nameiter++;
|
|
}
|
|
|
|
bufsize = 0;
|
|
alGetBufferi(oldbuf, AL_SIZE, &bufsize);
|
|
alDeleteBuffers(1, &oldbuf);
|
|
mBufferCacheMemSize -= bufsize;
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
void OpenAL_Output::bufferFinished(ALuint buf)
|
|
{
|
|
if(mBufferRefs.at(buf)-- == 1)
|
|
{
|
|
mBufferRefs.erase(mBufferRefs.find(buf));
|
|
mUnusedBuffers.push_back(buf);
|
|
}
|
|
}
|
|
|
|
|
|
MWBase::SoundPtr OpenAL_Output::playSound(const std::string &fname, float volume, float pitch, int flags)
|
|
{
|
|
boost::shared_ptr<OpenAL_Sound> sound;
|
|
ALuint src=0, buf=0;
|
|
|
|
if(mFreeSources.empty())
|
|
fail("No free sources");
|
|
src = mFreeSources.front();
|
|
mFreeSources.pop_front();
|
|
|
|
try
|
|
{
|
|
buf = getBuffer(fname);
|
|
sound.reset(new OpenAL_Sound(*this, src, buf));
|
|
}
|
|
catch(std::exception &e)
|
|
{
|
|
mFreeSources.push_back(src);
|
|
if(buf && alIsBuffer(buf))
|
|
bufferFinished(buf);
|
|
alGetError();
|
|
throw;
|
|
}
|
|
|
|
alSource3f(src, AL_POSITION, 0.0f, 0.0f, 0.0f);
|
|
alSource3f(src, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
|
|
alSource3f(src, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
|
|
|
|
alSourcef(src, AL_REFERENCE_DISTANCE, 1.0f);
|
|
alSourcef(src, AL_MAX_DISTANCE, 1000.0f);
|
|
alSourcef(src, AL_ROLLOFF_FACTOR, 0.0f);
|
|
|
|
if(!(flags&MWBase::SoundManager::Play_NoEnv) && mLastEnvironment == Env_Underwater)
|
|
{
|
|
volume *= 0.9f;
|
|
pitch *= 0.7f;
|
|
}
|
|
alSourcef(src, AL_GAIN, volume);
|
|
alSourcef(src, AL_PITCH, pitch);
|
|
|
|
alSourcei(src, AL_SOURCE_RELATIVE, AL_TRUE);
|
|
alSourcei(src, AL_LOOPING, (flags&MWBase::SoundManager::Play_Loop) ? AL_TRUE : AL_FALSE);
|
|
throwALerror();
|
|
|
|
alSourcei(src, AL_BUFFER, buf);
|
|
alSourcePlay(src);
|
|
throwALerror();
|
|
|
|
return sound;
|
|
}
|
|
|
|
MWBase::SoundPtr OpenAL_Output::playSound3D(const std::string &fname, const Ogre::Vector3 &pos, float volume, float pitch,
|
|
float min, float max, int flags)
|
|
{
|
|
boost::shared_ptr<OpenAL_Sound> sound;
|
|
ALuint src=0, buf=0;
|
|
|
|
if(mFreeSources.empty())
|
|
fail("No free sources");
|
|
src = mFreeSources.front();
|
|
mFreeSources.pop_front();
|
|
|
|
try
|
|
{
|
|
buf = getBuffer(fname);
|
|
sound.reset(new OpenAL_Sound3D(*this, src, buf));
|
|
}
|
|
catch(std::exception &e)
|
|
{
|
|
mFreeSources.push_back(src);
|
|
if(buf && alIsBuffer(buf))
|
|
bufferFinished(buf);
|
|
alGetError();
|
|
throw;
|
|
}
|
|
|
|
alSource3f(src, AL_POSITION, pos.x, pos.z, -pos.y);
|
|
alSource3f(src, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
|
|
alSource3f(src, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
|
|
|
|
alSourcef(src, AL_REFERENCE_DISTANCE, min);
|
|
alSourcef(src, AL_MAX_DISTANCE, max);
|
|
alSourcef(src, AL_ROLLOFF_FACTOR, 1.0f);
|
|
|
|
if(!(flags&MWBase::SoundManager::Play_NoEnv) && mLastEnvironment == Env_Underwater)
|
|
{
|
|
volume *= 0.9f;
|
|
pitch *= 0.7f;
|
|
}
|
|
alSourcef(src, AL_GAIN, (pos.squaredDistance(mPos) > max*max) ?
|
|
0.0f : volume);
|
|
alSourcef(src, AL_PITCH, pitch);
|
|
|
|
alSourcei(src, AL_SOURCE_RELATIVE, AL_FALSE);
|
|
alSourcei(src, AL_LOOPING, (flags&MWBase::SoundManager::Play_Loop) ? AL_TRUE : AL_FALSE);
|
|
throwALerror();
|
|
|
|
alSourcei(src, AL_BUFFER, buf);
|
|
alSourcePlay(src);
|
|
throwALerror();
|
|
|
|
return sound;
|
|
}
|
|
|
|
|
|
MWBase::SoundPtr OpenAL_Output::streamSound(const std::string &fname, float volume, float pitch, int flags)
|
|
{
|
|
boost::shared_ptr<OpenAL_SoundStream> sound;
|
|
ALuint src;
|
|
|
|
if(mFreeSources.empty())
|
|
fail("No free sources");
|
|
src = mFreeSources.front();
|
|
mFreeSources.pop_front();
|
|
|
|
try
|
|
{
|
|
if((flags&MWBase::SoundManager::Play_Loop))
|
|
std::cout <<"Warning: cannot loop stream "<<fname<< std::endl;
|
|
DecoderPtr decoder = mManager.getDecoder();
|
|
decoder->open(fname);
|
|
sound.reset(new OpenAL_SoundStream(*this, src, decoder));
|
|
}
|
|
catch(std::exception &e)
|
|
{
|
|
mFreeSources.push_back(src);
|
|
throw;
|
|
}
|
|
|
|
alSource3f(src, AL_POSITION, 0.0f, 0.0f, 0.0f);
|
|
alSource3f(src, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
|
|
alSource3f(src, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
|
|
|
|
alSourcef(src, AL_REFERENCE_DISTANCE, 1.0f);
|
|
alSourcef(src, AL_MAX_DISTANCE, 1000.0f);
|
|
alSourcef(src, AL_ROLLOFF_FACTOR, 0.0f);
|
|
|
|
if(!(flags&MWBase::SoundManager::Play_NoEnv) && mLastEnvironment == Env_Underwater)
|
|
{
|
|
volume *= 0.9f;
|
|
pitch *= 0.7f;
|
|
}
|
|
alSourcef(src, AL_GAIN, volume);
|
|
alSourcef(src, AL_PITCH, pitch);
|
|
|
|
alSourcei(src, AL_SOURCE_RELATIVE, AL_TRUE);
|
|
alSourcei(src, AL_LOOPING, AL_FALSE);
|
|
throwALerror();
|
|
|
|
sound->play();
|
|
return sound;
|
|
}
|
|
|
|
|
|
void OpenAL_Output::updateListener(const Ogre::Vector3 &pos, const Ogre::Vector3 &atdir, const Ogre::Vector3 &updir, Environment env)
|
|
{
|
|
mPos = pos;
|
|
mLastEnvironment = env;
|
|
|
|
if(mContext)
|
|
{
|
|
ALfloat orient[6] = {
|
|
atdir.x, atdir.z, -atdir.y,
|
|
updir.x, updir.z, -updir.y
|
|
};
|
|
alListener3f(AL_POSITION, mPos.x, mPos.z, -mPos.y);
|
|
alListenerfv(AL_ORIENTATION, orient);
|
|
throwALerror();
|
|
}
|
|
}
|
|
|
|
|
|
OpenAL_Output::OpenAL_Output(SoundManager &mgr)
|
|
: Sound_Output(mgr), mDevice(0), mContext(0), mBufferCacheMemSize(0),
|
|
mLastEnvironment(Env_Normal), mStreamThread(new StreamThread)
|
|
{
|
|
}
|
|
|
|
OpenAL_Output::~OpenAL_Output()
|
|
{
|
|
deinit();
|
|
}
|
|
|
|
}
|