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) |