usccodec.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.
//
//   Intel(R)  Integrated Performance Primitives
//
//     USC speech codec sample
//
// 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(R) Integrated
// Performance Primitives product previously accepted by you. Please refer
// to the file ipplic.htm located in the root directory of your Intel(R) IPP
// product installation for more information.
//
// Purpose: USC wrapper functions header file.
//
////////////////////////////////////////////////////////////////////////*/
#ifndef __USCCODEC_H__
#define __USCCODEC_H__

#define SINGLE_CHANNEL 0
#define LEFT_CHANNEL  SINGLE_CHANNEL
#define RIGHT_CHANNEL (LEFT_CHANNEL+1)

/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCCodecGetInfo
//  Purpose:     Retrive info from USC codec.
//  Returns:     0 if success, -1 if fails.
//  Parameters:
//    uscPrms       pointer to the input\output USC codec parametres.
*/
int USCCodecGetInfo(USCParams *uscPrms);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        SetUSCEncoderParams
//  Purpose:     Set encode params.
//  Returns:     None.
//  Parameters:
//    uscPrms       pointer to the input\output USC codec parametres.
//    cmdParams     pointer to the input parametres from command line.
*/
void SetUSCEncoderParams(USCParams *uscPrms, CommandLineParams *cmdParams);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        SetUSCDecoderParams
//  Purpose:     Set decode params.
//  Returns:     None.
//  Parameters:
//    uscPrms       pointer to the input\output USC codec parametres.
//    cmdParams     pointer to the input parametres from command line.
*/
void SetUSCDecoderParams(USCParams *uscPrms, CommandLineParams *cmdParams);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCCodecAlloc
//  Purpose:     Alloc memory for USC codec.
//  Returns:     0 if success, -1 if fails.
//  Parameters:
//    uscPrms       pointer to the input\output USC codec parametres.
//    cmdParams     pointer to the input parametres from command line.
*/
int USCCodecAlloc(USCParams *uscPrms, CommandLineParams *cmdParams);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCEncoderInit
//  Purpose:     Initialize USC encoder object.
//  Returns:     0 if success, -1 if fails.
//  Parameters:
//    uscPrms       pointer to the input\output USC codec parametres.
//    cmdParams     pointer to the input parametres from command line.
*/
int USCEncoderInit(USCParams *uscPrms, CommandLineParams *cmdParams);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCEncoderInit
//  Purpose:     Initialize USC decoder object.
//  Returns:     0 if success, -1 if fails.
//  Parameters:
//    uscPrms       pointer to the input\output USC codec parametres.
//    cmdParams     pointer to the input parametres from command line.
*/
int USCDecoderInit(USCParams *uscPrms, CommandLineParams *cmdParams);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCEncoderPreProcessFrame
//  Purpose:     Pre-process frame to encode.
//  Returns:     lenght of written data to the output stream.
//  Parameters:
//    uscPrms   pointer to the input USC codec parametres.
//    pSrc      pointer to the input PCM data.
//    pDst      pointer to the output bitstream data.
//    in        pointer to the output USC_PCMStream structure for the frame.
//    out       pointer to the output USC_Bitstream structure for the frame.
*/
int USCEncoderPreProcessFrame(USCParams *uscPrms, char *pSrc, char *pDst,USC_PCMStream *in,USC_Bitstream *out);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCEncoderPostProcessFrame
//  Purpose:     Post-process of encoded frame.
//  Returns:     lenght of written data to the output stream.
//  Parameters:
//    uscPrms   pointer to the input USC codec parametres.
//    pSrc      pointer to the input PCM data.
//    pDst      pointer to the output bitstream data.
//    in        pointer to the output USC_PCMStream structure for the frame.
//    out       pointer to the output USC_Bitstream structure for the frame.
*/
int USCEncoderPostProcessFrame(USCParams *uscPrms, char *pSrc, char *pDst,USC_PCMStream *in,USC_Bitstream *out);

/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCDecoderPreProcessFrame
//  Purpose:     Pre-process frame to decode.
//  Returns:     lenght of processed data from the input stream.
//  Parameters:
//    uscPrms   pointer to the input USC codec parametres.
//    pSrc      pointer to the input bitstream data.
//    pDst      pointer to the output PCM data.
//    in        pointer to the output USC_Bitstream structure for the frame.
//    out       pointer to the output USC_PCMStream structure for the frame.
*/
int USCDecoderPreProcessFrame(USCParams *uscPrms, char *pSrc, char *pDst,USC_Bitstream *in,USC_PCMStream *out);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCDecoderPostProcessFrame
//  Purpose:     Post-process of decoded frame.
//  Returns:     lenght of processed data from the input stream.
//  Parameters:
//    uscPrms   pointer to the input USC codec parametres.
//    pSrc      pointer to the input bitstream data.
//    pDst      pointer to the output PCM data.
//    in        pointer to the output USC_Bitstream structure for the frame.
//    out       pointer to the output USC_PCMStream structure for the frame.
*/
int USCDecoderPostProcessFrame(USCParams *uscPrms, char *pSrc, char *pDst,USC_Bitstream *in,USC_PCMStream *out);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCCodecEncode
//  Purpose:     Encode pre-processed frame.
//  Returns:     lenght of processed data from the input stream.
//  Parameters:
//    uscPrms   pointer to the input USC codec parametres.
//    in        pointer to the input USC_Bitstream structure for the frame.
//    out       pointer to the output USC_PCMStream structure for the frame.
*/
int USCCodecEncode(USCParams *uscPrms, USC_PCMStream *in,USC_Bitstream *out, int channel);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCCodecDecode
//  Purpose:     Decode pre-processed frame.
//  Returns:     lenght of processed data from the input stream.
//  Parameters:
//    uscPrms   pointer to the input USC codec parametres.
//    in        pointer to the input USC_PCMStream structure for the frame.
//    out       pointer to the output USC_Bitstream structure for the frame.
*/
int USCCodecDecode(USCParams *uscPrms, USC_Bitstream *in,USC_PCMStream *out, int channel);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCCodecGetSize
//  Purpose:     Get output stream size.
//  Returns:     0 if success, -1 if fails.
//  Parameters:
//    uscPrms   pointer to the input USC codec parametres.
//    lenSrc    length of the input stream.
//    lenDst    pointer to the length of the output stream.
*/
int USCCodecGetSize(USCParams *uscPrms, int lenSrc, int *lenDst);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCFree
//  Purpose:     Release resources of the USC codec.
//  Returns:     0 if success.
//  Parameters:
//    uscPrms   pointer to the input USC codec parametres.
*/
int USCFree(USCParams *uscPrms);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCGetFrameHeaderSize
//  Purpose:     Retrieve frame header size.
//  Returns:     frame header size.
//  Parameters:
*/
int USCGetFrameHeaderSize();
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCCodecCorrectSize
//  Purpose:     Correct output stream size to include frame headers.
//  Returns:     0 if success.
//  Parameters:
//    uscPrms          pointer to the input USC codec parametres.
//    lenSrc           length of the input stream.
//    pSrcDstOutLen    pointer to the corrected length of the output stream.
*/
int USCCodecCorrectSize(USCParams *uscPrms, int lenSrc, int *pSrcDstOutLen);
/* /////////////////////////////////////////////////////////////////////////////
//  Name:        USCCodecCorrectSize
//  Purpose:     Get termination condition to organize encode\decode loop.
//  Returns:     0 if success.
//  Parameters:
//    uscPrms          pointer to the input USC codec parametres.
//    pLowBound        pointer to the low bound of the data to process.
//    pSrcDstOutLen    pointer to the corrected length of the output stream.
*/
int USCCodecGetTerminationCondition(USCParams *uscPrms, int *pLowBound);

int USC_CvtToLiniar(USCParams *uscPrms, int PCMType, char **inputBuffer, int *pLen);
int USC_CvtToLaw(USCParams *uscPrms, int PCMType, char *inputBuffer, int *pLen);

#endif /* __USCCODEC_H__*/