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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 
     31 #if ENABLE(WEB_AUDIO)
     32 
     33 #include "Panner.h"
     34 
     35 #include "EqualPowerPanner.h"
     36 #include "HRTFPanner.h"
     37 #include <wtf/OwnPtr.h>
     38 
     39 namespace WebCore {
     40 
     41 PassOwnPtr<Panner> Panner::create(PanningModel model, double sampleRate)
     42 {
     43     OwnPtr<Panner> panner;
     44 
     45     switch (model) {
     46     case PanningModelEqualPower:
     47         panner = adoptPtr(new EqualPowerPanner(sampleRate));
     48         break;
     49 
     50     case PanningModelHRTF:
     51         panner = adoptPtr(new HRTFPanner(sampleRate));
     52         break;
     53 
     54     // FIXME: sound field panning is not yet implemented...
     55     case PanningModelSoundField:
     56     default:
     57         ASSERT_NOT_REACHED();
     58         return 0;
     59     }
     60 
     61     return panner.release();
     62 }
     63 
     64 } // namespace WebCore
     65 
     66 #endif // ENABLE(WEB_AUDIO)
     67