sbrdec_api_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) 2005 Intel Corporation. All Rights Reserved.
//
*/
#ifndef __SBRDEC_API_FP_H__
#define __SBRDEC_API_FP_H__

#include "ippac.h"
#include "ipps.h"

#include "sbrdec.h"
//#include "sbr_debug.h"

#include "aaccmn_chmap.h"


typedef struct { // specification Filter

  Ipp8u* pQmfMemSpec[12];

  IppsFilterSpec_SBR_R_32f *pAnalysisFilterSpec_LPmode[2];
  IppsFilterSpec_SBR_C_32f *pAnalysisFilterSpec_HQmode[2];

  IppsFilterSpec_SBR_R_32f *pSynthesisFilterSpec_LPmode[2];
  IppsFilterSpec_SBR_C_32f *pSynthesisFilterSpec_HQmode[2];

  IppsFilterSpec_SBR_C_32f *pSynthesisDownFilterSpec_HQmode[2];
  IppsFilterSpec_SBR_R_32f *pSynthesisDownFilterSpec_LPmode[2];

} sSbrDecFilter;

typedef struct { //  sbr matrix's work space

/* main-matrix */
  Ipp32f *XBufRe[2][40];
  Ipp32f *XBufIm[2][40];

  Ipp32f *YBufRe[2][40];
  Ipp32f *YBufIm[2][40];

  Ipp32f *ZBufRe[2][40];
  Ipp32f *ZBufIm[2][40];

  /* these descriptors contain pointer to the allocatable memory (main matrix).
  /  It is need, because mixing wiil be done
  */
  Ipp32f* _dcMemoryMatrix[2];

/* HF adjustment: these buffers keep Noise & Gain data */
  Ipp32f  BufGain[2][MAX_NUM_ENV][MAX_NUM_ENV_VAL];
  Ipp32f  BufNoise[2][MAX_NUM_ENV][MAX_NUM_ENV_VAL];

/* LP mode */
  Ipp32f  degPatched[2][MAX_NUM_ENV_VAL];

  Ipp32f vecEnvOrig[2][5*64];
  Ipp32f vecNoiseOrig[2][2*5];

  /* for HF generation */
  Ipp32f  bwArray[2][MAX_NUM_NOISE_VAL];

} sSbrDecWorkSpace;

typedef struct {
  sSbrDecCommon    sbr_com;
  sSbrDecWorkSpace sbr_WS;

} sSbrBlock;


#ifdef  __cplusplus
extern  "C" {
#endif

 /* algorithm */
  Ipp32s sbrDequantization( sSbrDecCommon* pSbrCom, sSbrDecWorkSpace* pSbrWS, Ipp32s ch, int bs_amp_res );

  Ipp32s sbrGenerationHF(Ipp32f **XBufRe, Ipp32f **XBufIm, Ipp32f **XhighRe, Ipp32f **XhighIm,
                       sSbrDecCommon* sbr_com, Ipp32f* bwArray, Ipp32f* degPatched,
                       Ipp32s ch, int decode_mode, Ipp32f* pWorkBuffer);

  void sbrAdjustmentHF(Ipp32f **YBufRe, Ipp32f **YBufIm, Ipp32f* vecEnvOrig, Ipp32f* vecNoiseOrig,
                     Ipp32f BufGain[][MAX_NUM_ENV_VAL], Ipp32f BufNoise[][MAX_NUM_ENV_VAL],
                     sSbrDecCommon* sbr_com, Ipp32f *degPatched, Ipp8u *WorkBuffer,
                     Ipp32s reset, Ipp32s ch, Ipp32s decode_mode);


/* SBR GENERAL HIGH LEVEL API: FLOAT POINT VERSION */
 // init()
  Ipp32s sbrdecInitFilter( sSbrDecFilter** pDC, int* vecSizeWorkBuf );
  sSbrBlock *sbrInitDecoder( void );

 // reset()
  Ipp32s sbrdecReset( sSbrBlock* pSbr );

 // get_frame()
Ipp32s sbrGetFrame(Ipp32f *pSrc, Ipp32f *pDst,
                   sSbrBlock * pSbr, sSbrDecFilter* sbr_filter,
                   Ipp32s ch, Ipp32s decode_mode, Ipp32s dwnsmpl_mode, Ipp8u* pWorkBuffer);

 // free()
  Ipp32s sbrdecFreeFilter( sSbrDecFilter* pDC[CH_MAX] );
  Ipp32s sbrFreeDecoder(sSbrBlock * pDst);
/* end */

#ifdef  __cplusplus
}
#endif

#endif             /* __SBRDEC_API_FP_H__ */
/* EOF */