1 files changed, 0 insertions, 124 deletions
diff --git a/WebCore/platform/audio/HRTFDatabase.cpp b/WebCore/platform/audio/HRTFDatabase.cpp
deleted file mode 100644
index ef1229f..0000000
--- a/WebCore/platform/audio/HRTFDatabase.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#if ENABLE(WEB_AUDIO)
-
-#include "HRTFDatabase.h"
-
-#include "HRTFElevation.h"
-
-using namespace std;
-
-namespace WebCore {
-
-const int HRTFDatabase::MinElevation = -45;
-const int HRTFDatabase::MaxElevation = 90;
-const unsigned HRTFDatabase::RawElevationAngleSpacing = 15;
-const unsigned HRTFDatabase::NumberOfRawElevations = 10; // -45 -> +90 (each 15 degrees)
-const unsigned HRTFDatabase::InterpolationFactor = 1;
-const unsigned HRTFDatabase::NumberOfTotalElevations = NumberOfRawElevations * InterpolationFactor;
-
-PassOwnPtr<HRTFDatabase> HRTFDatabase::create(double sampleRate)
-{
-    OwnPtr<HRTFDatabase> hrtfDatabase = adoptPtr(new HRTFDatabase(sampleRate));
-    return hrtfDatabase.release();
-}
-
-HRTFDatabase::HRTFDatabase(double sampleRate)
-    : m_elevations(NumberOfTotalElevations)
-    , m_sampleRate(sampleRate)
-{
-    unsigned elevationIndex = 0;
-    for (int elevation = MinElevation; elevation <= MaxElevation; elevation += RawElevationAngleSpacing) {
-        OwnPtr<HRTFElevation> hrtfElevation = HRTFElevation::createForSubject("Composite", elevation, sampleRate);
-        ASSERT(hrtfElevation.get());
-        if (!hrtfElevation.get())
-            return;
-        
-        m_elevations[elevationIndex] = hrtfElevation.release();
-        elevationIndex += InterpolationFactor;
-    }
-
-    // Now, go back and interpolate elevations.
-    if (InterpolationFactor > 1) {
-        for (unsigned i = 0; i < NumberOfTotalElevations; i += InterpolationFactor) {
-            unsigned j = (i + InterpolationFactor);
-            if (j >= NumberOfTotalElevations)
-                j = i; // for last elevation interpolate with itself
-
-            // Create the interpolated convolution kernels and delays.
-            for (unsigned jj = 1; jj < InterpolationFactor; ++jj) {
-                double x = static_cast<double>(jj) / static_cast<double>(InterpolationFactor);
-                m_elevations[i + jj] = HRTFElevation::createByInterpolatingSlices(m_elevations[i].get(), m_elevations[j].get(), x, sampleRate);
-                ASSERT(m_elevations[i + jj].get());
-            }
-        }
-    }
-}
-
-void HRTFDatabase::getKernelsFromAzimuthElevation(double azimuthBlend, unsigned azimuthIndex, double elevationAngle, HRTFKernel* &kernelL, HRTFKernel* &kernelR,
-                                                  double& frameDelayL, double& frameDelayR)
-{
-    unsigned elevationIndex = indexFromElevationAngle(elevationAngle);
-    ASSERT(elevationIndex < m_elevations.size() && m_elevations.size() > 0);
-    
-    if (!m_elevations.size()) {
-        kernelL = 0;
-        kernelR = 0;
-        return;
-    }
-    
-    if (elevationIndex > m_elevations.size() - 1)
-        elevationIndex = m_elevations.size() - 1;    
-    
-    HRTFElevation* hrtfElevation = m_elevations[elevationIndex].get();
-    ASSERT(hrtfElevation);
-    if (!hrtfElevation) {
-        kernelL = 0;
-        kernelR = 0;
-        return;
-    }
-    
-    hrtfElevation->getKernelsFromAzimuth(azimuthBlend, azimuthIndex, kernelL, kernelR, frameDelayL, frameDelayR);
-}                                                     
-
-unsigned HRTFDatabase::indexFromElevationAngle(double elevationAngle)
-{
-    // Clamp to allowed range.
-    elevationAngle = max(static_cast<double>(MinElevation), elevationAngle);
-    elevationAngle = min(static_cast<double>(MaxElevation), elevationAngle);
-
-    unsigned elevationIndex = static_cast<int>(InterpolationFactor * (elevationAngle - MinElevation) / RawElevationAngleSpacing);    
-    return elevationIndex;
-}
-
-} // namespace WebCore
-
-#endif // ENABLE(WEB_AUDIO)