aac_enc_ltp_fp.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
//     Intel Integrated Performance Primitives AAC Encode Sample for Windows*
//
//  By downloading and installing this sample, you hereby agree that the
//  accompanying Materials are being provided to you under the terms and
//  conditions of the End User License Agreement for the Intel Integrated
//  Performance Primitives product previously accepted by you. Please refer
//  to the file ipplic.htm located in the root directory of your Intel IPP
//  product installation for more information.
//
//  MPEG-4 and AAC are international standards promoted by ISO, IEC, ITU, ETSI
//  and other organizations. Implementations of these standards, or the standard
//  enabled platforms may require licenses from various entities, including
//  Intel Corporation.
//
*/

#ifndef __LTPENCODE_H
#define __LTPENCODE_H

#include "ipps.h"
#include "aac_filterbank_fp.h"
#include "aac_enc_own.h"

#ifdef  __cplusplus
extern "C" {
#endif

void ltpEncode(Ipp32f *inBuf,
               Ipp32f *ltpBuf,
               Ipp32f *predictedBuf,
               int    *ltpDelay,
               int    *ltpInd,
               IppsFFTSpec_R_32f* corrFft,
               Ipp8u* corrBuff);

void ltpBufferUpdate(Ipp32f *ltpBuffer,
                     Ipp32f *prevSamples,
                     Ipp32f *predictedSpectrum,
                     sEnc_individual_channel_stream *pStream,
                     sFilterbank *filterbank,
                     int *sfb_offset_short,
                     int prevWindowShape,
                     int predictor_data_present);

#ifdef  __cplusplus
}
#endif



#endif//__LTPENCODE_H