diff options
Diffstat (limited to 'media/openmax_dl/dl/sp/src/omxSP_FFTGetBufSize_C_FC32.c')
-rw-r--r-- | media/openmax_dl/dl/sp/src/omxSP_FFTGetBufSize_C_FC32.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/media/openmax_dl/dl/sp/src/omxSP_FFTGetBufSize_C_FC32.c b/media/openmax_dl/dl/sp/src/omxSP_FFTGetBufSize_C_FC32.c new file mode 100644 index 000000000..081f23739 --- /dev/null +++ b/media/openmax_dl/dl/sp/src/omxSP_FFTGetBufSize_C_FC32.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "dl/api/armOMX.h" +#include "dl/api/omxtypes.h" +#include "dl/sp/api/armSP.h" +#include "dl/sp/api/omxSP.h" + + +/** + * Function: omxSP_FFTGetBufSize_C_FC32 + * + * Description: + * These functions compute the size of the specification structure + * required for the length 2^order complex FFT and IFFT functions. The function + * <FFTGetBufSize_C_FC32> is used in conjunction with the 32-bit functions + * <FFTFwd_CToC_FC32_Sfs> and <FFTInv_CToC_FC32_Sfs>. + * + * Input Arguments: + * + * order - base-2 logarithm of the desired block length; valid in the range + * [1,12] ([1,15] if BIG_FFT_TABLE is defined.) + * + * Output Arguments: + * + * pSize - pointer to the number of bytes required for the specification + * structure + * + * Return Value: + * + * OMX_Sts_NoErr - no error + * + * + */ + +OMXResult omxSP_FFTGetBufSize_C_FC32(OMX_INT order, OMX_INT *pSize) { + if (!pSize || (order < 1) || (order > TWIDDLE_TABLE_ORDER)) + return OMX_Sts_BadArgErr; + /* + * The required size is the same as for C_SC32, because the + * elements are the same size and because ARMsFFTSpec_SC32 is + * the same size as ARMsFFTSpec_FC32. + */ + return omxSP_FFTGetBufSize_C_SC32(order, pSize); +} |