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243 lines
6.7 KiB
243 lines
6.7 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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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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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 <DShow.h> |
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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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EnumerateAudioDevices(); |
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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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void plAudioCapsDetector::EnumerateAudioDevices() |
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{ |
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ICreateDevEnum *pDevEnum; |
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IEnumMoniker *pEnumMon; |
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IMoniker *pMoniker; |
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ULONG cFetched; |
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HRESULT hr; |
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char audioCardName[MAX_AUDIOCARD_NAME]; |
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short *pShort; |
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// Enumerate audio devices |
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hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void **)&pDevEnum); |
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if(SUCCEEDED(hr)) |
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{ |
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hr = pDevEnum->CreateClassEnumerator(CLSID_AudioRendererCategory, &pEnumMon, 0); |
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if(SUCCEEDED(hr)) |
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{ |
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while(pEnumMon->Next(1, &pMoniker, &cFetched) == S_OK) |
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{ |
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if(pMoniker) |
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{ |
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IPropertyBag *pPropBag; |
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hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pPropBag); |
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if(SUCCEEDED(hr)) |
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{ |
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VARIANT varName; |
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VariantInit(&varName); |
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hr = pPropBag->Read(L"FriendlyName", &varName, 0); |
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memset(audioCardName, 0, MAX_AUDIOCARD_NAME); |
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pShort = varName.piVal; |
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// copy from wide character array to char array |
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for(int i = 0; *pShort != 0 && i < MAX_AUDIOCARD_NAME; pShort++, i++) |
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{ |
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audioCardName[i] = (char)*pShort; |
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} |
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if(SUCCEEDED(hr)) |
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{ |
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plStatusLog::AddLineS("audiocaps.log", audioCardName ); |
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} |
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VariantClear(&varName); |
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pPropBag->Release(); |
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} |
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pMoniker->Release(); |
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} |
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} |
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pEnumMon->Release(); |
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} |
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pDevEnum->Release(); |
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} |
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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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} |