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Diffstat (limited to 'indra/llaudio/llaudioengine_openal.cpp')
-rwxr-xr-x[-rw-r--r--]indra/llaudio/llaudioengine_openal.cpp120
1 files changed, 59 insertions, 61 deletions
diff --git a/indra/llaudio/llaudioengine_openal.cpp b/indra/llaudio/llaudioengine_openal.cpp
index a5982ccbd6..e6ac586618 100644..100755
--- a/indra/llaudio/llaudioengine_openal.cpp
+++ b/indra/llaudio/llaudioengine_openal.cpp
@@ -3,31 +3,25 @@
* @brief implementation of audio engine using OpenAL
* support as a OpenAL 3D implementation
*
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2009, Linden Research, Inc.
- *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * Copyright (C) 2010, Linden Research, Inc.
*
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 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.
*
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
+ * 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.
*
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
+ * 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
* $/LicenseInfo$
*/
@@ -38,6 +32,8 @@
#include "lllistener_openal.h"
+const float LLAudioEngine_OpenAL::WIND_BUFFER_SIZE_SEC = 0.05f;
+
LLAudioEngine_OpenAL::LLAudioEngine_OpenAL()
:
mWindGen(NULL),
@@ -63,33 +59,33 @@ bool LLAudioEngine_OpenAL::init(const S32 num_channels, void* userdata)
if(!alutInit(NULL, NULL))
{
- llwarns << "LLAudioEngine_OpenAL::init() ALUT initialization failed: " << alutGetErrorString (alutGetError ()) << llendl;
+ LL_WARNS() << "LLAudioEngine_OpenAL::init() ALUT initialization failed: " << alutGetErrorString (alutGetError ()) << LL_ENDL;
return false;
}
- llinfos << "LLAudioEngine_OpenAL::init() OpenAL successfully initialized" << llendl;
+ LL_INFOS() << "LLAudioEngine_OpenAL::init() OpenAL successfully initialized" << LL_ENDL;
- llinfos << "OpenAL version: "
- << ll_safe_string(alGetString(AL_VERSION)) << llendl;
- llinfos << "OpenAL vendor: "
- << ll_safe_string(alGetString(AL_VENDOR)) << llendl;
- llinfos << "OpenAL renderer: "
- << ll_safe_string(alGetString(AL_RENDERER)) << llendl;
+ LL_INFOS() << "OpenAL version: "
+ << ll_safe_string(alGetString(AL_VERSION)) << LL_ENDL;
+ LL_INFOS() << "OpenAL vendor: "
+ << ll_safe_string(alGetString(AL_VENDOR)) << LL_ENDL;
+ LL_INFOS() << "OpenAL renderer: "
+ << ll_safe_string(alGetString(AL_RENDERER)) << LL_ENDL;
ALint major = alutGetMajorVersion ();
ALint minor = alutGetMinorVersion ();
- llinfos << "ALUT version: " << major << "." << minor << llendl;
+ LL_INFOS() << "ALUT version: " << major << "." << minor << LL_ENDL;
ALCdevice *device = alcGetContextsDevice(alcGetCurrentContext());
alcGetIntegerv(device, ALC_MAJOR_VERSION, 1, &major);
alcGetIntegerv(device, ALC_MAJOR_VERSION, 1, &minor);
- llinfos << "ALC version: " << major << "." << minor << llendl;
+ LL_INFOS() << "ALC version: " << major << "." << minor << LL_ENDL;
- llinfos << "ALC default device: "
+ LL_INFOS() << "ALC default device: "
<< ll_safe_string(alcGetString(device,
ALC_DEFAULT_DEVICE_SPECIFIER))
- << llendl;
+ << LL_ENDL;
return true;
}
@@ -129,24 +125,24 @@ void LLAudioEngine_OpenAL::allocateListener()
mListenerp = (LLListener *) new LLListener_OpenAL();
if(!mListenerp)
{
- llwarns << "LLAudioEngine_OpenAL::allocateListener() Listener creation failed" << llendl;
+ LL_WARNS() << "LLAudioEngine_OpenAL::allocateListener() Listener creation failed" << LL_ENDL;
}
}
// virtual
void LLAudioEngine_OpenAL::shutdown()
{
- llinfos << "About to LLAudioEngine::shutdown()" << llendl;
+ LL_INFOS() << "About to LLAudioEngine::shutdown()" << LL_ENDL;
LLAudioEngine::shutdown();
- llinfos << "About to alutExit()" << llendl;
+ LL_INFOS() << "About to alutExit()" << LL_ENDL;
if(!alutExit())
{
- llwarns << "Nuts." << llendl;
- llwarns << "LLAudioEngine_OpenAL::shutdown() ALUT shutdown failed: " << alutGetErrorString (alutGetError ()) << llendl;
+ LL_WARNS() << "Nuts." << LL_ENDL;
+ LL_WARNS() << "LLAudioEngine_OpenAL::shutdown() ALUT shutdown failed: " << alutGetErrorString (alutGetError ()) << LL_ENDL;
}
- llinfos << "LLAudioEngine_OpenAL::shutdown() OpenAL successfully shut down" << llendl;
+ LL_INFOS() << "LLAudioEngine_OpenAL::shutdown() OpenAL successfully shut down" << LL_ENDL;
delete mListenerp;
mListenerp = NULL;
@@ -164,7 +160,7 @@ LLAudioChannel *LLAudioEngine_OpenAL::createChannel()
void LLAudioEngine_OpenAL::setInternalGain(F32 gain)
{
- //llinfos << "LLAudioEngine_OpenAL::setInternalGain() Gain: " << gain << llendl;
+ //LL_INFOS() << "LLAudioEngine_OpenAL::setInternalGain() Gain: " << gain << LL_ENDL;
alListenerf(AL_GAIN, gain);
}
@@ -192,7 +188,7 @@ void LLAudioChannelOpenAL::play()
{
if (mALSource == AL_NONE)
{
- llwarns << "Playing without a mALSource, aborting" << llendl;
+ LL_WARNS() << "Playing without a mALSource, aborting" << LL_ENDL;
return;
}
@@ -217,8 +213,8 @@ void LLAudioChannelOpenAL::playSynced(LLAudioChannel *channelp)
alGetSourcef(masterchannelp->mALSource, AL_SEC_OFFSET,
&master_offset);
- llinfos << "Syncing with master at " << master_offset
- << "sec" << llendl;
+ LL_INFOS() << "Syncing with master at " << master_offset
+ << "sec" << LL_ENDL;
// *TODO: detect when this fails, maybe use AL_SAMPLE_
alSourcef(mALSource, AL_SEC_OFFSET, master_offset);
}
@@ -338,18 +334,18 @@ bool LLAudioBufferOpenAL::loadWAV(const std::string& filename)
ALenum error = alutGetError();
if (gDirUtilp->fileExists(filename))
{
- llwarns <<
+ LL_WARNS() <<
"LLAudioBufferOpenAL::loadWAV() Error loading "
<< filename
- << " " << alutGetErrorString(error) << llendl;
+ << " " << alutGetErrorString(error) << LL_ENDL;
}
else
{
// It's common for the file to not actually exist.
- lldebugs <<
+ LL_DEBUGS() <<
"LLAudioBufferOpenAL::loadWAV() Error loading "
<< filename
- << " " << alutGetErrorString(error) << llendl;
+ << " " << alutGetErrorString(error) << LL_ENDL;
}
return false;
}
@@ -370,10 +366,10 @@ U32 LLAudioBufferOpenAL::getLength()
// ------------
-void LLAudioEngine_OpenAL::initWind()
+bool LLAudioEngine_OpenAL::initWind()
{
ALenum error;
- llinfos << "LLAudioEngine_OpenAL::initWind() start" << llendl;
+ LL_INFOS() << "LLAudioEngine_OpenAL::initWind() start" << LL_ENDL;
mNumEmptyWindALBuffers = MAX_NUM_WIND_BUFFERS;
@@ -383,7 +379,7 @@ void LLAudioEngine_OpenAL::initWind()
if((error=alGetError()) != AL_NO_ERROR)
{
- llwarns << "LLAudioEngine_OpenAL::initWind() Error creating wind sources: "<<error<<llendl;
+ LL_WARNS() << "LLAudioEngine_OpenAL::initWind() Error creating wind sources: "<<error<<LL_ENDL;
}
mWindGen = new LLWindGen<WIND_SAMPLE_T>;
@@ -396,16 +392,18 @@ void LLAudioEngine_OpenAL::initWind()
if(mWindBuf==NULL)
{
- llerrs << "LLAudioEngine_OpenAL::initWind() Error creating wind memory buffer" << llendl;
- mEnableWind=false;
+ LL_ERRS() << "LLAudioEngine_OpenAL::initWind() Error creating wind memory buffer" << LL_ENDL;
+ return false;
}
- llinfos << "LLAudioEngine_OpenAL::initWind() done" << llendl;
+ LL_INFOS() << "LLAudioEngine_OpenAL::initWind() done" << LL_ENDL;
+
+ return true;
}
void LLAudioEngine_OpenAL::cleanupWind()
{
- llinfos << "LLAudioEngine_OpenAL::cleanupWind()" << llendl;
+ LL_INFOS() << "LLAudioEngine_OpenAL::cleanupWind()" << LL_ENDL;
if (mWindSource != AL_NONE)
{
@@ -481,7 +479,7 @@ void LLAudioEngine_OpenAL::updateWind(LLVector3 wind_vec, F32 camera_altitude)
mNumEmptyWindALBuffers = llmin(mNumEmptyWindALBuffers + processed * 3 - unprocessed, MAX_NUM_WIND_BUFFERS-unprocessed);
mNumEmptyWindALBuffers = llmax(mNumEmptyWindALBuffers, 0);
- //llinfos << "mNumEmptyWindALBuffers: " << mNumEmptyWindALBuffers <<" (" << unprocessed << ":" << processed << ")" << llendl;
+ //LL_INFOS() << "mNumEmptyWindALBuffers: " << mNumEmptyWindALBuffers <<" (" << unprocessed << ":" << processed << ")" << LL_ENDL;
while(processed--) // unqueue old buffers
{
@@ -492,7 +490,7 @@ void LLAudioEngine_OpenAL::updateWind(LLVector3 wind_vec, F32 camera_altitude)
error = alGetError();
if(error != AL_NO_ERROR)
{
- llwarns << "LLAudioEngine_OpenAL::updateWind() error swapping (unqueuing) buffers" << llendl;
+ LL_WARNS() << "LLAudioEngine_OpenAL::updateWind() error swapping (unqueuing) buffers" << LL_ENDL;
}
else
{
@@ -508,27 +506,27 @@ void LLAudioEngine_OpenAL::updateWind(LLVector3 wind_vec, F32 camera_altitude)
alGenBuffers(1,&buffer);
if((error=alGetError()) != AL_NO_ERROR)
{
- llwarns << "LLAudioEngine_OpenAL::initWind() Error creating wind buffer: " << error << llendl;
+ LL_WARNS() << "LLAudioEngine_OpenAL::updateWind() Error creating wind buffer: " << error << LL_ENDL;
break;
}
alBufferData(buffer,
AL_FORMAT_STEREO16,
mWindGen->windGenerate(mWindBuf,
- mWindBufSamples, 2),
+ mWindBufSamples),
mWindBufBytes,
mWindBufFreq);
error = alGetError();
if(error != AL_NO_ERROR)
{
- llwarns << "LLAudioEngine_OpenAL::updateWind() error swapping (bufferdata) buffers" << llendl;
+ LL_WARNS() << "LLAudioEngine_OpenAL::updateWind() error swapping (bufferdata) buffers" << LL_ENDL;
}
alSourceQueueBuffers(mWindSource, 1, &buffer);
error = alGetError();
if(error != AL_NO_ERROR)
{
- llwarns << "LLAudioEngine_OpenAL::updateWind() error swapping (queuing) buffers" << llendl;
+ LL_WARNS() << "LLAudioEngine_OpenAL::updateWind() error swapping (queuing) buffers" << LL_ENDL;
}
--mNumEmptyWindALBuffers;
@@ -540,7 +538,7 @@ void LLAudioEngine_OpenAL::updateWind(LLVector3 wind_vec, F32 camera_altitude)
{
alSourcePlay(mWindSource);
- lldebugs << "Wind had stopped - probably ran out of buffers - restarting: " << (unprocessed+mNumEmptyWindALBuffers) << " now queued." << llendl;
+ LL_DEBUGS() << "Wind had stopped - probably ran out of buffers - restarting: " << (unprocessed+mNumEmptyWindALBuffers) << " now queued." << LL_ENDL;
}
}
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