| Index: Source/platform/audio/chromium/FFTFrameOpenMAXDLAndroid.cpp
|
| diff --git a/Source/platform/audio/chromium/FFTFrameOpenMAXDLAndroid.cpp b/Source/platform/audio/chromium/FFTFrameOpenMAXDLAndroid.cpp
|
| deleted file mode 100644
|
| index fa48892e39978d315bf879e2688b19706bd1f521..0000000000000000000000000000000000000000
|
| --- a/Source/platform/audio/chromium/FFTFrameOpenMAXDLAndroid.cpp
|
| +++ /dev/null
|
| @@ -1,209 +0,0 @@
|
| -/* Copyright (C) 2013 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.
|
| - *
|
| - * 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)
|
| -
|
| -#if OS(ANDROID) && USE(WEBAUDIO_OPENMAX_DL_FFT)
|
| -
|
| -#include "platform/audio/FFTFrame.h"
|
| -
|
| -#include "platform/audio/AudioArray.h"
|
| -#include "platform/audio/VectorMath.h"
|
| -#include "wtf/MathExtras.h"
|
| -#include <dl/sp/api/armSP.h>
|
| -#include <dl/sp/api/omxSP.h>
|
| -
|
| -namespace WebCore {
|
| -
|
| -#if !ASSERT_DISABLED
|
| -const unsigned kMaxFFTPow2Size = 15;
|
| -#endif
|
| -
|
| -// Normal constructor: allocates for a given fftSize.
|
| -FFTFrame::FFTFrame(unsigned fftSize)
|
| - : m_FFTSize(fftSize)
|
| - , m_log2FFTSize(static_cast<unsigned>(log2(fftSize)))
|
| - , m_forwardContext(0)
|
| - , m_inverseContext(0)
|
| - , m_complexData(fftSize)
|
| - , m_realData(fftSize / 2)
|
| - , m_imagData(fftSize / 2)
|
| -{
|
| - // We only allow power of two.
|
| - ASSERT(1UL << m_log2FFTSize == m_FFTSize);
|
| -
|
| - m_forwardContext = contextForSize(m_log2FFTSize);
|
| - m_inverseContext = contextForSize(m_log2FFTSize);
|
| -}
|
| -
|
| -// Creates a blank/empty frame (interpolate() must later be called).
|
| -FFTFrame::FFTFrame()
|
| - : m_FFTSize(0)
|
| - , m_log2FFTSize(0)
|
| - , m_forwardContext(0)
|
| - , m_inverseContext(0)
|
| -{
|
| -}
|
| -
|
| -// Copy constructor.
|
| -FFTFrame::FFTFrame(const FFTFrame& frame)
|
| - : m_FFTSize(frame.m_FFTSize)
|
| - , m_log2FFTSize(frame.m_log2FFTSize)
|
| - , m_forwardContext(0)
|
| - , m_inverseContext(0)
|
| - , m_complexData(frame.m_FFTSize)
|
| - , m_realData(frame.m_FFTSize / 2)
|
| - , m_imagData(frame.m_FFTSize / 2)
|
| -{
|
| - m_forwardContext = contextForSize(m_log2FFTSize);
|
| - m_inverseContext = contextForSize(m_log2FFTSize);
|
| -
|
| - // Copy/setup frame data.
|
| - unsigned nbytes = sizeof(float) * (m_FFTSize / 2);
|
| - memcpy(realData(), frame.realData(), nbytes);
|
| - memcpy(imagData(), frame.imagData(), nbytes);
|
| -}
|
| -
|
| -void FFTFrame::initialize()
|
| -{
|
| -}
|
| -
|
| -void FFTFrame::cleanup()
|
| -{
|
| -}
|
| -
|
| -FFTFrame::~FFTFrame()
|
| -{
|
| - if (m_forwardContext)
|
| - free(m_forwardContext);
|
| - if (m_inverseContext)
|
| - free(m_inverseContext);
|
| -}
|
| -
|
| -void FFTFrame::multiply(const FFTFrame& frame)
|
| -{
|
| - FFTFrame& frame1 = *this;
|
| - FFTFrame& frame2 = const_cast<FFTFrame&>(frame);
|
| -
|
| - float* realP1 = frame1.realData();
|
| - float* imagP1 = frame1.imagData();
|
| - const float* realP2 = frame2.realData();
|
| - const float* imagP2 = frame2.imagData();
|
| -
|
| - unsigned halfSize = fftSize() / 2;
|
| - float real0 = realP1[0];
|
| - float imag0 = imagP1[0];
|
| -
|
| - VectorMath::zvmul(realP1, imagP1, realP2, imagP2, realP1, imagP1, halfSize);
|
| -
|
| - // Multiply the packed DC/nyquist component
|
| - realP1[0] = real0 * realP2[0];
|
| - imagP1[0] = imag0 * imagP2[0];
|
| -}
|
| -
|
| -void FFTFrame::doFFT(const float* data)
|
| -{
|
| - ASSERT(m_forwardContext);
|
| -
|
| - if (m_forwardContext) {
|
| - AudioFloatArray complexFFT(m_FFTSize + 2);
|
| -
|
| - omxSP_FFTFwd_RToCCS_F32(data, complexFFT.data(), m_forwardContext);
|
| -
|
| - unsigned len = m_FFTSize / 2;
|
| -
|
| - // Split FFT data into real and imaginary arrays.
|
| - const float* c = complexFFT.data();
|
| - float* real = m_realData.data();
|
| - float* imag = m_imagData.data();
|
| - for (unsigned k = 1; k < len; ++k) {
|
| - int index = 2 * k;
|
| - real[k] = c[index];
|
| - imag[k] = c[index + 1];
|
| - }
|
| - real[0] = c[0];
|
| - imag[0] = c[m_FFTSize];
|
| - }
|
| -}
|
| -
|
| -void FFTFrame::doInverseFFT(float* data)
|
| -{
|
| - ASSERT(m_inverseContext);
|
| -
|
| - if (m_inverseContext) {
|
| - AudioFloatArray fftDataArray(m_FFTSize + 2);
|
| -
|
| - unsigned len = m_FFTSize / 2;
|
| -
|
| - // Pack the real and imaginary data into the complex array format
|
| - float* fftData = fftDataArray.data();
|
| - const float* real = m_realData.data();
|
| - const float* imag = m_imagData.data();
|
| - for (unsigned k = 1; k < len; ++k) {
|
| - int index = 2 * k;
|
| - fftData[index] = real[k];
|
| - fftData[index + 1] = imag[k];
|
| - }
|
| - fftData[0] = real[0];
|
| - fftData[1] = 0;
|
| - fftData[m_FFTSize] = imag[0];
|
| - fftData[m_FFTSize + 1] = 0;
|
| -
|
| - omxSP_FFTInv_CCSToR_F32(fftData, data, m_inverseContext);
|
| - }
|
| -}
|
| -
|
| -float* FFTFrame::realData() const
|
| -{
|
| - return const_cast<float*>(m_realData.data());
|
| -}
|
| -
|
| -float* FFTFrame::imagData() const
|
| -{
|
| - return const_cast<float*>(m_imagData.data());
|
| -}
|
| -
|
| -OMXFFTSpec_R_F32* FFTFrame::contextForSize(unsigned log2FFTSize)
|
| -{
|
| - ASSERT(log2FFTSize);
|
| - ASSERT(log2FFTSize <= kMaxFFTPow2Size);
|
| - int bufSize;
|
| - OMXResult status = omxSP_FFTGetBufSize_R_F32(log2FFTSize, &bufSize);
|
| -
|
| - if (status == OMX_Sts_NoErr) {
|
| - OMXFFTSpec_R_F32* context = static_cast<OMXFFTSpec_R_F32*>(malloc(bufSize));
|
| - omxSP_FFTInit_R_F32(context, log2FFTSize);
|
| - return context;
|
| - }
|
| -
|
| - return 0;
|
| -}
|
| -
|
| -} // namespace WebCore
|
| -
|
| -#endif // #if OS(ANDROID) && !USE(WEBAUDIO_OPENMAX_DL_FFT)
|
| -
|
| -#endif // ENABLE(WEB_AUDIO)
|
|
|