1 files changed, 0 insertions, 110 deletions
diff --git a/WebCore/platform/audio/FFTConvolver.cpp b/WebCore/platform/audio/FFTConvolver.cpp
deleted file mode 100644
index 9093433..0000000
--- a/WebCore/platform/audio/FFTConvolver.cpp
+++ /dev/null
@@ -1,110 +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 "FFTConvolver.h"
-
-#include "VectorMath.h"
-
-namespace WebCore {
-
-using namespace VectorMath;
-    
-FFTConvolver::FFTConvolver(size_t fftSize)
-    : m_frame(fftSize)
-    , m_readWriteIndex(0)
-    , m_inputBuffer(fftSize) // 2nd half of buffer is always zeroed
-    , m_outputBuffer(fftSize)
-    , m_lastOverlapBuffer(fftSize / 2)
-{
-}
-
-void FFTConvolver::process(FFTFrame* fftKernel, float* sourceP, float* destP, size_t framesToProcess)
-{
-    // FIXME: make so framesToProcess is not required to fit evenly into fftSize/2
-
-    // Copy samples to input buffer (note contraint above!)
-    float* inputP = m_inputBuffer.data();
-
-    // Sanity check
-    bool isCopyGood1 = sourceP && inputP && m_readWriteIndex + framesToProcess <= m_inputBuffer.size();
-    ASSERT(isCopyGood1);
-    if (!isCopyGood1)
-        return;
-    
-    memcpy(inputP + m_readWriteIndex, sourceP, sizeof(float) * framesToProcess);
-
-    // Copy samples from output buffer
-    float* outputP = m_outputBuffer.data();
-
-    // Sanity check
-    bool isCopyGood2 = destP && outputP && m_readWriteIndex + framesToProcess <= m_outputBuffer.size();
-    ASSERT(isCopyGood2);
-    if (!isCopyGood2)
-        return;
-
-    memcpy(destP, outputP + m_readWriteIndex, sizeof(float) * framesToProcess);
-    m_readWriteIndex += framesToProcess;
-
-
-    // Check if it's time to perform the next FFT
-    size_t halfSize = fftSize() / 2;
-    if (m_readWriteIndex == halfSize) {
-        // The input buffer is now filled (get frequency-domain version)
-        m_frame.doFFT(m_inputBuffer.data());
-        m_frame.multiply(*fftKernel);
-        m_frame.doInverseFFT(m_outputBuffer.data());
-
-        // Overlap-add 1st half from previous time
-        vadd(m_outputBuffer.data(), 1, m_lastOverlapBuffer.data(), 1, m_outputBuffer.data(), 1, halfSize);
-
-        // Finally, save 2nd half of result
-        bool isCopyGood3 = m_outputBuffer.size() == 2 * halfSize && m_lastOverlapBuffer.size() == halfSize;
-        ASSERT(isCopyGood3);
-        if (!isCopyGood3)
-            return;
-        
-        memcpy(m_lastOverlapBuffer.data(), m_outputBuffer.data() + halfSize, sizeof(float) * halfSize);
-
-        // Reset index back to start for next time
-        m_readWriteIndex = 0;
-    }
-}
-
-void FFTConvolver::reset()
-{
-    m_lastOverlapBuffer.zero();
-    m_readWriteIndex = 0;
-}
-
-} // namespace WebCore
-
-#endif // ENABLE(WEB_AUDIO)