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172 lines
5.0 KiB
172 lines
5.0 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program 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 3 of the License, or |
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(at your option) any later version. |
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This program 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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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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////////////////////////////////////////////////////////////////////////////// |
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// // |
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// plAudioCaps - Utility class to query and detect available audio options.// |
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// // |
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////////////////////////////////////////////////////////////////////////////// |
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#include "HeadSpin.h" |
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#include <al.h> |
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#include <alc.h> |
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#include "plEAXEffects.h" |
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#include "plAudioCaps.h" |
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#ifdef EAX_SDK_AVAILABLE |
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#include <eax.h> |
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#include <eaxlegacy.h> |
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#endif |
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#include <iostream> |
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#include "plStatusLog/plStatusLog.h" |
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#define MAX_NUM_SOURCES 128 |
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#define kLogMe if( fLog != nil ) fLog->AddLineF( |
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#define MAX_AUDIOCARD_NAME 256 |
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////////////////////////////////////////////////////////////////////////////// |
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//// Detector Functions ////////////////////////////////////////////////////// |
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////////////////////////////////////////////////////////////////////////////// |
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plAudioCaps plAudioCapsDetector::fCaps; |
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hsBool plAudioCapsDetector::fGotCaps = false; |
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plStatusLog *plAudioCapsDetector::fLog = nil; |
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plAudioCapsDetector::plAudioCapsDetector() |
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{ |
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} |
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plAudioCapsDetector::~plAudioCapsDetector() |
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{ |
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} |
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//// Detect ////////////////////////////////////////////////////////////////// |
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// Our big function that does all of our work |
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plAudioCaps &plAudioCapsDetector::Detect( hsBool logIt, hsBool init ) |
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{ |
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// If we already have the device capabilities, just return them |
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if(fGotCaps) return fCaps; |
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fCaps.fIsAvailable = true; |
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ALCdevice * device; |
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ALCcontext * context; |
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if(init) |
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{ |
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device = alcOpenDevice(0); |
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if(!device) |
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{ |
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fCaps.fIsAvailable = false; |
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} |
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context = alcCreateContext(device, 0); |
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if(alGetError() != AL_NO_ERROR) |
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{ |
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fCaps.fIsAvailable = false; |
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} |
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alcMakeContextCurrent(context); |
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if(alGetError() != AL_NO_ERROR) |
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{ |
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fCaps.fIsAvailable = false; |
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} |
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} |
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if( logIt ) |
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fLog = plStatusLogMgr::GetInstance().CreateStatusLog( 30, "audioCaps.log" ); |
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else |
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fLog = nil; |
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kLogMe 0xff00ff00, "Starting audio caps detection..." ); |
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// find the max number of sources |
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ALuint sources[MAX_NUM_SOURCES]; |
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ALuint i = 0; |
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for(; i < MAX_NUM_SOURCES; i++) |
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{ |
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alGenSources(1, &sources[i]); |
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if(alGetError() != AL_NO_ERROR) |
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break; |
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fCaps.fMaxNumSources++; |
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} |
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alDeleteSources(i, sources); |
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kLogMe 0xffffffff, "Max Number of sources: %d", i); |
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plStatusLog::AddLineS("audio.log", "Max Number of sources: %d", i); |
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// Detect EAX support |
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kLogMe 0xff00ff00, "Attempting to detect EAX support..." ); |
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fCaps.fEAXAvailable = IDetectEAX( ); |
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kLogMe 0xff00ff00, "Audio caps detection COMPLETE." ); |
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delete fLog; |
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fGotCaps = true; // We've got the device capabilities |
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if(init) |
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{ |
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alcMakeContextCurrent(nil); |
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alcDestroyContext(context); |
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alcCloseDevice(device); |
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} |
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return fCaps; |
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} |
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//// IDetectEAX ////////////////////////////////////////////////////////////// |
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// Attempt to actually init the EAX listener.Note that we can potentially do |
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// this even if we didn't load the EAX Unified driver (we could just be |
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// running EAX 3.0 native), so you can really just think of the EAX Unified |
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// init code above as a way of trying to make sure this line here will |
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// succeed as often as possible. |
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hsBool plAudioCapsDetector::IDetectEAX( ) |
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{ |
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#ifdef EAX_SDK_AVAILABLE |
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hsBool gotSupport = true; |
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if(!alIsExtensionPresent((ALchar *)"EAX4.0")) // is eax 4 supported |
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{ |
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if(!alIsExtensionPresent((ALchar *) "EAX4.0Emulated")) // is an earlier version of eax supported |
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{ |
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kLogMe 0xff00ff00, "EAX not supported"); |
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gotSupport = false; |
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} |
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else |
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{ |
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fCaps.fEAXUnified = true; |
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kLogMe 0xff00ff00, "EAX 4 Emulated supported"); |
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} |
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} |
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else |
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{ |
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kLogMe 0xff00ff00, "EAX 4 available"); |
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} |
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return gotSupport; |
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#else |
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kLogMe 0xff00ff00, "EAX disabled in this build"); |
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return false; |
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#endif |
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}
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