diff options
Diffstat (limited to 'indra/llaudio/llaudioengine_openal.h')
| -rw-r--r-- | indra/llaudio/llaudioengine_openal.h | 216 |
1 files changed, 108 insertions, 108 deletions
diff --git a/indra/llaudio/llaudioengine_openal.h b/indra/llaudio/llaudioengine_openal.h index 6875bcc68b..574bec416d 100644 --- a/indra/llaudio/llaudioengine_openal.h +++ b/indra/llaudio/llaudioengine_openal.h @@ -1,108 +1,108 @@ -/**
- * @file audioengine_openal.cpp
- * @brief implementation of audio engine using OpenAL
- * support as a OpenAL 3D implementation
- *
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library 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;
- * version 2.1 of the License only.
- *
- * This library 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 this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
-
-
-#ifndef LL_AUDIOENGINE_OPENAL_H
-#define LL_AUDIOENGINE_OPENAL_H
-
-#include "llaudioengine.h"
-#include "lllistener_openal.h"
-#include "llwindgen.h"
-
-class LLAudioEngine_OpenAL : public LLAudioEngine
-{
- public:
- LLAudioEngine_OpenAL();
- virtual ~LLAudioEngine_OpenAL();
-
- virtual bool init(void *user_data, const std::string &app_title);
- virtual std::string getDriverName(bool verbose);
- virtual LLStreamingAudioInterface* createDefaultStreamingAudioImpl() const { return nullptr; }
- virtual void allocateListener();
-
- virtual void shutdown();
-
- void setInternalGain(F32 gain);
-
- LLAudioBuffer* createBuffer();
- LLAudioChannel* createChannel();
-
- /*virtual*/ bool initWind();
- /*virtual*/ void cleanupWind();
- /*virtual*/ void updateWind(LLVector3 direction, F32 camera_altitude);
-
- private:
- typedef F32 WIND_SAMPLE_T;
- LLWindGen<WIND_SAMPLE_T> *mWindGen;
- F32 *mWindBuf;
- U32 mWindBufFreq;
- U32 mWindBufSamples;
- U32 mWindBufBytes;
- ALuint mWindSource;
- int mNumEmptyWindALBuffers;
-
- static const int MAX_NUM_WIND_BUFFERS = 80;
- static const float WIND_BUFFER_SIZE_SEC; // 1/20th sec
-};
-
-class LLAudioChannelOpenAL : public LLAudioChannel
-{
- public:
- LLAudioChannelOpenAL();
- virtual ~LLAudioChannelOpenAL();
- protected:
- /*virtual*/ void play();
- /*virtual*/ void playSynced(LLAudioChannel *channelp);
- /*virtual*/ void cleanup();
- /*virtual*/ bool isPlaying();
-
- /*virtual*/ bool updateBuffer();
- /*virtual*/ void update3DPosition();
- /*virtual*/ void updateLoop();
-
- ALuint mALSource;
- ALint mLastSamplePos;
-};
-
-class LLAudioBufferOpenAL : public LLAudioBuffer{
- public:
- LLAudioBufferOpenAL();
- virtual ~LLAudioBufferOpenAL();
-
- bool loadWAV(const std::string& filename);
- U32 getLength();
-
- friend class LLAudioChannelOpenAL;
- protected:
- void cleanup();
- ALuint getBuffer() {return mALBuffer;}
-
- ALuint mALBuffer;
-};
-
-#endif
+/** + * @file audioengine_openal.cpp + * @brief implementation of audio engine using OpenAL + * support as a OpenAL 3D implementation + * + * + * $LicenseInfo:firstyear=2002&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library 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; + * version 2.1 of the License only. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + + +#ifndef LL_AUDIOENGINE_OPENAL_H +#define LL_AUDIOENGINE_OPENAL_H + +#include "llaudioengine.h" +#include "lllistener_openal.h" +#include "llwindgen.h" + +class LLAudioEngine_OpenAL : public LLAudioEngine +{ + public: + LLAudioEngine_OpenAL(); + virtual ~LLAudioEngine_OpenAL(); + + virtual bool init(void *user_data, const std::string &app_title); + virtual std::string getDriverName(bool verbose); + virtual LLStreamingAudioInterface* createDefaultStreamingAudioImpl() const { return nullptr; } + virtual void allocateListener(); + + virtual void shutdown(); + + void setInternalGain(F32 gain); + + LLAudioBuffer* createBuffer(); + LLAudioChannel* createChannel(); + + /*virtual*/ bool initWind(); + /*virtual*/ void cleanupWind(); + /*virtual*/ void updateWind(LLVector3 direction, F32 camera_altitude); + + private: + typedef F32 WIND_SAMPLE_T; + LLWindGen<WIND_SAMPLE_T> *mWindGen; + F32 *mWindBuf; + U32 mWindBufFreq; + U32 mWindBufSamples; + U32 mWindBufBytes; + ALuint mWindSource; + int mNumEmptyWindALBuffers; + + static const int MAX_NUM_WIND_BUFFERS = 80; + static const float WIND_BUFFER_SIZE_SEC; // 1/20th sec +}; + +class LLAudioChannelOpenAL : public LLAudioChannel +{ + public: + LLAudioChannelOpenAL(); + virtual ~LLAudioChannelOpenAL(); + protected: + /*virtual*/ void play(); + /*virtual*/ void playSynced(LLAudioChannel *channelp); + /*virtual*/ void cleanup(); + /*virtual*/ bool isPlaying(); + + /*virtual*/ bool updateBuffer(); + /*virtual*/ void update3DPosition(); + /*virtual*/ void updateLoop(); + + ALuint mALSource; + ALint mLastSamplePos; +}; + +class LLAudioBufferOpenAL : public LLAudioBuffer{ + public: + LLAudioBufferOpenAL(); + virtual ~LLAudioBufferOpenAL(); + + bool loadWAV(const std::string& filename); + U32 getLength(); + + friend class LLAudioChannelOpenAL; + protected: + void cleanup(); + ALuint getBuffer() {return mALBuffer;} + + ALuint mALBuffer; +}; + +#endif |