diff options
Diffstat (limited to 'indra/llaudio/llaudioengine.cpp')
| -rw-r--r-- | indra/llaudio/llaudioengine.cpp | 109 |
1 files changed, 63 insertions, 46 deletions
diff --git a/indra/llaudio/llaudioengine.cpp b/indra/llaudio/llaudioengine.cpp index 9f4c108dff..1cc03bddb8 100644 --- a/indra/llaudio/llaudioengine.cpp +++ b/indra/llaudio/llaudioengine.cpp @@ -3,31 +3,25 @@ * @brief implementation of LLAudioEngine class abstracting the Open * AL audio support * - * $LicenseInfo:firstyear=2000&license=viewergpl$ - * - * Copyright (c) 2000-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2000&license=viewerlgpl$ * 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. + * + * 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. * - * 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 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. * - * 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. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -103,6 +97,7 @@ void LLAudioEngine::setDefaults() } mMasterGain = 1.f; + mInternalGain = 0.f; mNextWindUpdate = 0.f; mStreamingAudioImpl = NULL; @@ -253,15 +248,6 @@ void LLAudioEngine::idle(F32 max_decode_time) // Primarily does position updating, cleanup of unused audio sources. // Also does regeneration of the current priority of each audio source. - if (getMuted()) - { - setInternalGain(0.f); - } - else - { - setInternalGain(getMasterGain()); - } - S32 i; for (i = 0; i < MAX_BUFFERS; i++) { @@ -290,6 +276,12 @@ void LLAudioEngine::idle(F32 max_decode_time) continue; } + if (sourcep->isMuted()) + { + ++iter; + continue; + } + if (!sourcep->getChannel() && sourcep->getCurrentBuffer()) { // We could potentially play this sound if its priority is high enough. @@ -342,9 +334,9 @@ void LLAudioEngine::idle(F32 max_decode_time) // attached to each channel, since only those with active channels // can have anything interesting happen with their queue? (Maybe not true) LLAudioSource *sourcep = iter->second; - if (!sourcep->mQueuedDatap) + if (!sourcep->mQueuedDatap || sourcep->isMuted()) { - // Nothing queued, so we don't care. + // Muted, or nothing queued, so we don't care. continue; } @@ -424,6 +416,10 @@ void LLAudioEngine::idle(F32 max_decode_time) for (iter = mAllSources.begin(); iter != mAllSources.end(); ++iter) { LLAudioSource *sourcep = iter->second; + if (sourcep->isMuted()) + { + continue; + } if (sourcep->isSyncMaster()) { if (sourcep->getPriority() > max_sm_priority) @@ -697,15 +693,23 @@ bool LLAudioEngine::isWindEnabled() void LLAudioEngine::setMuted(bool muted) { - mMuted = muted; + if (muted != mMuted) + { + mMuted = muted; + setMasterGain(mMasterGain); + } enableWind(!mMuted); } - void LLAudioEngine::setMasterGain(const F32 gain) { mMasterGain = gain; - setInternalGain(gain); + F32 internal_gain = getMuted() ? 0.f : gain; + if (internal_gain != mInternalGain) + { + mInternalGain = internal_gain; + setInternalGain(mInternalGain); + } } F32 LLAudioEngine::getMasterGain() @@ -1249,13 +1253,14 @@ LLAudioSource::LLAudioSource(const LLUUID& id, const LLUUID& owner_id, const F32 mOwnerID(owner_id), mPriority(0.f), mGain(gain), - mType(type), + mSourceMuted(false), mAmbient(false), mLoop(false), mSyncMaster(false), mSyncSlave(false), mQueueSounds(false), mPlayedOnce(false), + mType(type), mChannelp(NULL), mCurrentDatap(NULL), mQueuedDatap(NULL) @@ -1307,6 +1312,10 @@ void LLAudioSource::updatePriority() { mPriority = 1.f; } + else if (isMuted()) + { + mPriority = 0.f; + } else { // Priority is based on distance @@ -1355,25 +1364,33 @@ bool LLAudioSource::setupChannel() bool LLAudioSource::play(const LLUUID &audio_uuid) { + // Special abuse of play(); don't play a sound, but kill it. if (audio_uuid.isNull()) { if (getChannel()) { getChannel()->setSource(NULL); setChannel(NULL); - addAudioData(NULL, true); + if (!isMuted()) + { + mCurrentDatap = NULL; + } } + return false; } + // Reset our age timeout if someone attempts to play the source. mAgeTimer.reset(); LLAudioData *adp = gAudiop->getAudioData(audio_uuid); - - bool has_buffer = gAudiop->updateBufferForData(adp, audio_uuid); - - addAudioData(adp); + if (isMuted()) + { + return false; + } + + bool has_buffer = gAudiop->updateBufferForData(adp, audio_uuid); if (!has_buffer) { // Don't bother trying to set up a channel or anything, we don't have an audio buffer. @@ -1398,10 +1415,11 @@ bool LLAudioSource::play(const LLUUID &audio_uuid) } -bool LLAudioSource::isDone() +bool LLAudioSource::isDone() const { const F32 MAX_AGE = 60.f; const F32 MAX_UNPLAYED_AGE = 15.f; + const F32 MAX_MUTED_AGE = 11.f; if (isLoop()) { @@ -1409,7 +1427,6 @@ bool LLAudioSource::isDone() return false; } - if (hasPendingPreloads()) { return false; @@ -1426,10 +1443,10 @@ bool LLAudioSource::isDone() // This is a single-play source if (!mChannelp) { - if ((elapsed > MAX_UNPLAYED_AGE) || mPlayedOnce) + if ((elapsed > (mSourceMuted ? MAX_MUTED_AGE : MAX_UNPLAYED_AGE)) || mPlayedOnce) { // We don't have a channel assigned, and it's been - // over 5 seconds since we tried to play it. Don't bother. + // over 15 seconds since we tried to play it. Don't bother. //llinfos << "No channel assigned, source is done" << llendl; return true; } @@ -1455,7 +1472,7 @@ bool LLAudioSource::isDone() if ((elapsed > MAX_UNPLAYED_AGE) || mPlayedOnce) { - // The sound isn't playing back after 5 seconds or we're already done playing it, kill it. + // The sound isn't playing back after 15 seconds or we're already done playing it, kill it. return true; } |