199b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com/* 299b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 399b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 499b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * Use of this source code is governed by a BSD-style license 599b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * that can be found in the LICENSE file in the root of the source 699b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * tree. An additional intellectual property rights grant can be found 799b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * in the file PATENTS. All contributing project authors may 899b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * be found in the AUTHORS file in the root of the source tree. 999b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com */ 1099b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com 11bdf981cb383b7ec472ee86d2fedb53937285f894rtoy@google.com#include "dl/api/arm/armOMX.h" 12048e632be7693f6198bfdd54130a0220a2ccb5abrtoy@google.com#include "dl/api/omxtypes.h" 13048e632be7693f6198bfdd54130a0220a2ccb5abrtoy@google.com#include "dl/sp/api/armSP.h" 14048e632be7693f6198bfdd54130a0220a2ccb5abrtoy@google.com#include "dl/sp/api/omxSP.h" 1599b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com 1699b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com 1799b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com/** 1899b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * Function: omxSP_FFTGetBufSize_C_FC32 1999b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 2099b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * Description: 2199b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * These functions compute the size of the specification structure 2299b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * required for the length 2^order complex FFT and IFFT functions. The function 2399b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * <FFTGetBufSize_C_FC32> is used in conjunction with the 32-bit functions 2499b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * <FFTFwd_CToC_FC32_Sfs> and <FFTInv_CToC_FC32_Sfs>. 2599b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 2699b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * Input Arguments: 2799b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 2899b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * order - base-2 logarithm of the desired block length; valid in the range 296ae14cb23aa5d478d267519f29d05558fd8f2f0drtoy@google.com * [1,12] ([1,15] if BIG_FFT_TABLE is defined.) 3099b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 3199b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * Output Arguments: 3299b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 3399b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * pSize - pointer to the number of bytes required for the specification 3499b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * structure 3599b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 3699b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * Return Value: 3799b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 3899b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * OMX_Sts_NoErr - no error 3999b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 4099b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * 4199b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com */ 4299b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com 4399b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.comOMXResult omxSP_FFTGetBufSize_C_FC32(OMX_INT order, OMX_INT *pSize) { 446ae14cb23aa5d478d267519f29d05558fd8f2f0drtoy@google.com if (!pSize || (order < 1) || (order > TWIDDLE_TABLE_ORDER)) 4599b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com return OMX_Sts_BadArgErr; 4699b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com /* 4799b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * The required size is the same as for C_SC32, because the 4899b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * elements are the same size and because ARMsFFTSpec_SC32 is 4999b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com * the same size as ARMsFFTSpec_FC32. 5099b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com */ 5199b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com return omxSP_FFTGetBufSize_C_SC32(order, pSize); 5299b31ea5d0f4629ceddf4852f96757c9c73654artoy@google.com} 53