287 lines
11 KiB
C
287 lines
11 KiB
C
/*
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* @DEC_COPYRIGHT@
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*/
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/*
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* HISTORY
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* $Log: sa_prototypes.h,v $
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* Revision 1.1.8.4 1996/11/14 21:49:25 Hans_Graves
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* Added sa_AC3SetParamInt() proto.
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* [1996/11/14 21:48:29 Hans_Graves]
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*
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* Revision 1.1.8.3 1996/11/08 21:50:58 Hans_Graves
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* Added AC3 stuff.
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* [1996/11/08 21:18:58 Hans_Graves]
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*
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* Revision 1.1.8.2 1996/09/18 23:46:14 Hans_Graves
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* Changed proto for sa_PsychoAnal()
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* [1996/09/18 21:58:47 Hans_Graves]
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*
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* Revision 1.1.6.4 1996/04/10 21:47:34 Hans_Graves
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* Added sa_MpegGet/SetParam functions
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* [1996/04/10 21:38:49 Hans_Graves]
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*
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* Revision 1.1.6.3 1996/04/09 16:04:38 Hans_Graves
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* Fix protos for sa_SetMPEGBitrate and sa_SetMPEGParams)
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* [1996/04/09 16:02:14 Hans_Graves]
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*
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* Revision 1.1.6.2 1996/03/29 22:21:11 Hans_Graves
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* Added MPEG_SUPPORT and GSM_SUPPORT ifdefs
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* [1996/03/29 22:13:39 Hans_Graves]
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*
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* Revision 1.1.4.3 1996/01/19 15:29:34 Bjorn_Engberg
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* Removed compiler wanrnings for NT.
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* [1996/01/19 14:57:39 Bjorn_Engberg]
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*
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* Revision 1.1.4.2 1996/01/15 16:26:24 Hans_Graves
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* Added prototype for sa_SetMPEGBitrate()
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* [1996/01/15 15:43:13 Hans_Graves]
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*
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* Revision 1.1.2.3 1995/06/27 13:54:26 Hans_Graves
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* Added prototypes for GSM.
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* [1995/06/27 13:24:34 Hans_Graves]
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*
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* Revision 1.1.2.2 1995/05/31 18:09:45 Hans_Graves
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* Inclusion in new SLIB location.
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* [1995/05/31 15:34:15 Hans_Graves]
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*
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* Revision 1.1.2.3 1995/04/17 18:38:58 Hans_Graves
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* Added MPEG Encoding prototypes
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* [1995/04/17 18:32:28 Hans_Graves]
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*
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* Revision 1.1.2.2 1995/04/07 19:36:59 Hans_Graves
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* Inclusion in SLIB
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* [1995/04/07 19:31:43 Hans_Graves]
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*
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* $EndLog$
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*/
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/*****************************************************************************
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** Copyright (c) Digital Equipment Corporation, 1995 **
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** **
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** All Rights Reserved. Unpublished rights reserved under the copyright **
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** laws of the United States. **
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** **
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** The software contained on this media is proprietary to and embodies **
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** the confidential technology of Digital Equipment Corporation. **
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** Possession, use, duplication or dissemination of the software and **
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** media is authorized only pursuant to a valid written license from **
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** Digital Equipment Corporation. **
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** **
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** RESTRICTED RIGHTS LEGEND Use, duplication, or disclosure by the U.S. **
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** Government is subject to restrictions as set forth in Subparagraph **
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** (c)(1)(ii) of DFARS 252.227-7013, or in FAR 52.227-19, as applicable. **
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******************************************************************************/
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/*--------------------------------------------------------------------------
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* SLIB Internals Prototype file (externals are in SA.h)
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*
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* Modification History: sa_prototypes.h
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*
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* 29-Jul-94 PSG Created
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*---------------------------------------------------------------------------*/
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#ifndef _SA_PROTOTYPES_H
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#define _SA_PROTOTYPES_H
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#ifdef MPEG_SUPPORT
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#include "sa_mpeg.h"
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#endif /* MPEG_SUPPORT */
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#ifdef GSM_SUPPORT
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#include "sa_gsm.h"
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#endif /* GSM_SUPPORT */
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#ifdef AC3_SUPPORT
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#include "sa_ac3.h"
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#endif /* GSM_SUPPORT */
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#include "sa_intrn.h"
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/*---------------------------------------------------------------------------*/
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/* Compress/Decompress Codec Prototypes */
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/*---------------------------------------------------------------------------*/
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#ifdef MPEG_SUPPORT
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/*
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* sa_mpeg_common.c
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*/
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extern SaStatus_t saMpegSetParamInt(SaHandle_t Sah, SaParameter_t param,
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qword value);
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extern SaStatus_t saMpegSetParamBoolean(SaHandle_t Sah, SaParameter_t param,
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ScBoolean_t value);
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extern qword saMpegGetParamInt(SaHandle_t Sah, SaParameter_t param);
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extern ScBoolean_t saMpegGetParamBoolean(SaHandle_t Svh, SaParameter_t param);
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extern int sa_PickTable(SaFrameParams_t *fr_ps);
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extern void sa_ShowHeader(SaFrameParams_t *fr_ps);
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extern void sa_ShowBitAlloc(unsigned int bit_alloc[2][SBLIMIT],
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SaFrameParams_t *f_p);
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extern void sa_ShowScale(unsigned int bit_alloc[2][SBLIMIT],
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unsigned int scfsi[2][SBLIMIT],
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unsigned int scalar[2][3][SBLIMIT],
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SaFrameParams_t *fr_ps);
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extern void sa_ShowSamples(int ch, unsigned int FAR sample[SBLIMIT],
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unsigned int bit_alloc[SBLIMIT], SaFrameParams_t *fr_ps);
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extern int sa_BitrateIndex(int layr, int bRate);
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extern int sa_SmpFrqIndex(long sRate);
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extern void sa_CRCupdate(unsigned int data, unsigned int length, unsigned int *crc);
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extern void sa_CRCcalcI(SaFrameParams_t *fr_ps, unsigned int bit_alloc[2][SBLIMIT],
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unsigned int *crc);
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extern void sa_CRCcalcII(SaFrameParams_t *fr_ps, unsigned int bit_alloc[2][SBLIMIT],
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unsigned int scfsi[2][SBLIMIT], unsigned int *crc);
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extern SaStatus_t sa_hdr_to_frps(SaFrameParams_t *fr_ps);
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/*
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* sa_mpeg_decode.c
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*/
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extern SaStatus_t sa_DecompressMPEG(SaCodecInfo_t *Info,
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unsigned char *buffer, unsigned int size,
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unsigned int *ret_length);
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extern SaStatus_t sa_DecodeInfo(ScBitstream_t *bs, SaFrameParams_t *fr_ps);
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extern SaStatus_t sa_InitMpegDecoder(SaCodecInfo_t *Info);
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extern SaStatus_t sa_EndMpegDecoder(SaCodecInfo_t *Info);
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/*
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* sa_mpeg_encode.c
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*/
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extern SaStatus_t sa_MpegVerifyEncoderSettings(SaHandle_t Sah);
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extern SaStatus_t sa_CompressMPEG(SaCodecInfo_t *Info,
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unsigned char *dcmp_buf, unsigned int *dcmp_len,
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unsigned int *comp_len);
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extern SaStatus_t sa_InitMpegEncoder(SaCodecInfo_t *Info);
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extern SaStatus_t sa_EndMpegEncoder(SaCodecInfo_t *Info);
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extern unsigned int sa_GetMPEGSampleSize(SaCodecInfo_t *Info);
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/*
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** sa_mpeg_tonal.c
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*/
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extern void sa_II_Psycho_One(float buffer[2][1152], float scale[2][SBLIMIT],
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float ltmin[2][SBLIMIT], SaFrameParams_t *fr_ps);
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extern void sa_I_Psycho_One(float buffer[2][1152], float scale[2][SBLIMIT],
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float ltmin[2][SBLIMIT], SaFrameParams_t *fr_ps);
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/*
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** sa_mpeg_psy.c
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*/
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extern void sa_PsychoAnal(SaMpegCompressInfo_t *MCInfo, float *buffer,
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float savebuf[1056],int chn,int lay,
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float snr32[32],float sfreq,int num_pass);
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#endif /* MPEG_SUPPORT */
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#ifdef GSM_SUPPORT
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/*
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** sa_gsm_common.c
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*/
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SaStatus_t sa_InitGSM(SaGSMInfo_t *info);
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extern word gsm_mult(word a, word b);
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extern dword gsm_L_mult(word a, word b);
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extern word gsm_mult_r(word a, word b);
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extern word gsm_div(word num, word denum);
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extern word gsm_add( word a, word b );
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extern dword gsm_L_add(dword a, dword b );
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extern word gsm_sub(word a, word b);
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extern dword gsm_L_sub(dword a, dword b);
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extern word gsm_abs(word a);
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extern word gsm_norm(dword a);
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extern dword gsm_L_asl(dword a, int n);
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extern word gsm_asl(word a, int n);
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extern dword gsm_L_asr(dword a, int n);
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extern word gsm_asr(word a, int n);
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/*
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** sa_gsm_encode.c
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*/
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extern SaStatus_t sa_GSMEncode(SaGSMInfo_t *s, word *dcmp_buf,
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unsigned int *dcmp_len,
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unsigned char *comp_buf,
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ScBitstream_t *bsout);
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extern void Gsm_Long_Term_Predictor(SaGSMInfo_t *S, word *d, word *dp, word *e, word *dpp,
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word *Nc, word *bc);
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extern void Gsm_Encoding(SaGSMInfo_t *S, word *e, word *ep, word *xmaxc,
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word *Mc, word *xMc);
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extern void Gsm_Short_Term_Analysis_Filter(SaGSMInfo_t *S,word *LARc,word *d);
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/*
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** sa_gsm_decode.c
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*/
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extern int sa_GSMDecode(SaGSMInfo_t *s, unsigned char *comp_buf, word *dcmp_buf);
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extern void Gsm_Decoding(SaGSMInfo_t *S, word xmaxcr, word Mcr, word *xMcr, word *erp);
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extern void Gsm_Long_Term_Synthesis_Filtering(SaGSMInfo_t *S, word Ncr, word bcr,
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word *erp, word *drp);
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void Gsm_RPE_Decoding(SaGSMInfo_t *S, word xmaxcr, word Mcr, word * xMcr, word * erp);
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void Gsm_RPE_Encoding(SaGSMInfo_t *S, word *e, word *xmaxc, word *Mc, word *xMc);
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/*
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** sa_gsm_filter.c
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*/
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extern void Gsm_Short_Term_Synthesis_Filter(SaGSMInfo_t *S, word *LARcr,
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word *drp, word *s);
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extern void Gsm_Update_of_reconstructed_short_time_residual_signal(word *dpp,
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word *ep, word *dp);
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/*
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** sa_gsm_table.c
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*/
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extern word gsm_A[8], gsm_B[8], gsm_MIC[8], gsm_MAC[8];
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extern word gsm_INVA[8];
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extern word gsm_DLB[4], gsm_QLB[4];
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extern word gsm_H[11];
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extern word gsm_NRFAC[8];
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extern word gsm_FAC[8];
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#endif /* GSM_SUPPORT */
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#ifdef AC3_SUPPORT
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/* AC-3 specific stuff goes here */
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/*
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* sa_ac3_decode.c
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*/
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extern SaStatus_t sa_DecompressAC3(SaCodecInfo_t *Info,
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unsigned char **buffer, unsigned int size,
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unsigned int *ret_length);
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extern SaStatus_t sa_InitAC3Decoder(SaCodecInfo_t *Info);
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extern SaStatus_t sa_EndAC3Decoder(SaCodecInfo_t *Info);
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extern SaStatus_t saAC3SetParamInt(SaHandle_t Sah, SaParameter_t param,
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qword value);
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#endif /* AC3_SUPPORT */
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#ifdef G723_SUPPORT
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/* G723 encoder functions.
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sa_g723_coder.c
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*/
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typedef short int Flag ;
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extern void saG723CompressInit(SaG723Info_t *psaG723Info);
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//DataBuff :Input frame (480 bytes)
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//Vout :Encoded frame (20 bytes :5.3K bits/s
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// (24 bytes :6.3K bits/s)
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extern SaStatus_t saG723Compress( SaCodecInfo_t *Info,word *DataBuff, char *Vout );
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extern void saG723CompressFree(SaG723Info_t *psaG723Info);
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/* G723 decoder functions.
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sa_g723_decod.c
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*/
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extern void saG723DecompressInit(SaG723Info_t *psaG723Info);
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//DataBuff :Empty Buffer to hold decoded frame(480 bytes)
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//Vinp :Encoded frame (20 bytes :5.3K bits/s
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// (24 bytes :6.3K bits/s)
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//Crc : Transmission Error code (Cyclic Redundant code)
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extern SaStatus_t saG723Decompress( SaCodecInfo_t *Info,word *DataBuff,
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char *Vinp, word Crc );
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extern void saG723DecompressFree(SaG723Info_t *psaG723Info);
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extern SaStatus_t saG723SetParamInt(SaHandle_t Sah, SaParameter_t param,
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qword value);
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extern SaStatus_t saG723SetParamBoolean(SaHandle_t Sah, SaParameter_t param,
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ScBoolean_t value);
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extern qword saG723GetParamInt(SaHandle_t Sah, SaParameter_t param);
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extern ScBoolean_t saG723GetParamBoolean(SaHandle_t Svh, SaParameter_t param);
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#endif /* G723_SUPPORT */
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#endif _SA_PROTOTYPES_H
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