diff -r 951a5db380a0 -r e0b5df5c0969 videoeditorengine/audioeditorengine/resampler/inc/resampler_sinc_conv_filter_two_to_one_int16.h --- a/videoeditorengine/audioeditorengine/resampler/inc/resampler_sinc_conv_filter_two_to_one_int16.h Fri Jan 29 14:08:33 2010 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,48 +0,0 @@ -#ifndef __RESAMPLER_SINC_CONV_FILTER_TWO_TO_ONE_INT16_H__ -#define __RESAMPLER_SINC_CONV_FILTER_TWO_TO_ONE_INT16_H__ -/* -* 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" - -static FORCEINLINE int32 -RESAMPLER_SincConvFilterTwoToOneInt16(const int16 *signalBuf, - const int16 *filterPtr, - int length) -{ - int32 newSample((int32)signalBuf[0] << 14); - - const int16 *bufferPtr1 = signalBuf - 1; - const int16 *bufferPtr2 = signalBuf + 1; - for (int l = length; l >0 ; l--) - { - // Calculate the filter. - // Keep newSample in s1.30 format to reduce rounding errors - newSample += (int32)(*filterPtr) * (*bufferPtr1) + (int32)(*filterPtr) * (*bufferPtr2); - filterPtr++; - bufferPtr1 -= 2; - bufferPtr2 += 2; - } - - return newSample; -} - - -#endif /* __RESAMPLER_SINC_CONV_FILTER_TWO_TO_ONE_INT16_H__ */