diff -r 951a5db380a0 -r e0b5df5c0969 videoeditorengine/audioeditorengine/resampler/src/resampler_sinc_conv_one_to_two_int16.inl --- a/videoeditorengine/audioeditorengine/resampler/src/resampler_sinc_conv_one_to_two_int16.inl Fri Jan 29 14:08:33 2010 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,57 +0,0 @@ -#ifndef __RESAMPLER_SINC_CONV_ONE_TO_TWO_INT16_INL__ -#define __RESAMPLER_SINC_CONV_ONE_TO_TWO_INT16_INL__ -/* -* Copyright (c) 2010 Ixonos Plc. -* All rights reserved. -* This component and the accompanying materials are made available -* under the terms of the "Eclipse Public License v1.0" -* which accompanies this distribution, and is available -* at the URL "http://www.eclipse.org/legal/epl-v10.html". -* -* Initial Contributors: -* Nokia Corporation - Initial contribution -* -* Contributors: -* Ixonos Plc -* -* Description: -* -*/ - - -#include "resampler_common_defs.h" -#include "resampler_data_types.h" - - - -/* Note! This version assumes the number of filter coefficients is - * divisible by four. - */ -static FORCEINLINE int32 -RESAMPLER_SincConvOneToTwoFilterInt16(const int16 *signalBuf, - const int16 *coeffBuf, - int length) -{ - int32 newSample = 0; - const int16 *bufferPtr1 = signalBuf; - const int16 *bufferPtr2 = signalBuf - 1; - - (void)length; - // Calculate the filter. - // Keep newSample in s1.30 format to reduce rounding errors - for (int k = length; k>0; k-=4) - { - newSample += (int32)(*coeffBuf ) * (*bufferPtr1++); - newSample += (int32)(*coeffBuf++) * (*bufferPtr2--); - newSample += (int32)(*coeffBuf ) * (*bufferPtr1++); - newSample += (int32)(*coeffBuf++) * (*bufferPtr2--); - newSample += (int32)(*coeffBuf ) * (*bufferPtr1++); - newSample += (int32)(*coeffBuf++) * (*bufferPtr2--); - newSample += (int32)(*coeffBuf ) * (*bufferPtr1++); - newSample += (int32)(*coeffBuf++) * (*bufferPtr2--); - } - - return newSample; -} - -#endif /* __RESAMPLER_SINC_CONV_ONE_TO_TWO_INT16_INL__ */