g723_func.h

G.723在ARM上的实现。实现平台为Linux2.4.8+ Intel Xscal。包括源代码

/******************************************************************************
functions for g723.1 coder and decoder
******************************************************************************/

#ifdef __cplusplus
extern "C" {
#endif

/**********************
 G.723.1 Preprocessing  
 **********************/
IppStatus appsPreprocess_G723_I		(Ipp16s *pSrcSpch, 
					Ipp16s *pDstLpcAnalysisBuf, 
					int enableHighpassFilter,
					Ipp16s *pSrcDstHpfZfir, 
					 Ipp32s *pSrcDstHpfZiir, 
					Ipp16s *pSrcSpeechHistoryBuf);

IppStatus appsSinDetect_G723_I		 (Ipp16s *pSrcDstSineDetect);

/*********************
 G.723.1 LPC Analysis  
 *********************/
IppStatus appsLSFQuantInv_G723_32s16s	(Ipp32s valQLsfIndex, 
					const  Ipp16s *pSrcPrevLsf, 
					 Ipp16s *pDstLsf, 
					 Ipp16s InvalidFrame);

IppStatus appsLSFInterp_G723_16s	(Ipp16s *pSrcLsf, 
					 Ipp16s *pDstInterpLsf, 
					 Ipp16s pDstQuantLpc[IPP_G723_NUM_SUBFRAME][IPP_G723_LPC_ORDER], 
					 Ipp16s *pPrevLsf);

IppStatus appsAutoCorrSum_G723_16s	(Ipp16s *pSrcRss, 
					Ipp16s *pSrcDstFrameAutoCorr, 
					Ipp16s *pSrcDstFrameAutoCorrExp);

/*****************************
 G.723.1 perceptual weighting								 
 *****************************/
IppStatus appsPerceptualWeightingFilter_G723_16s      (const Ipp16s *pSrcSpch,
							Ipp16s pSrcLpc[IPP_G723_NUM_SUBFRAME][IPP_G723_LPC_ORDER], 
							Ipp16s pDstPrcptWgtLpc[IPP_G723_NUM_SUBFRAME<<1][IPP_G723_LPC_ORDER], 
							Ipp16s *pDstPrcptWgtSpch, 
							Ipp16s *pPwfZfir,
							Ipp16s *pPwfZiir,
							Ipp16s *pPrevWgtSpch);

/************************************************
 G.723.1 codebook search target signal synthesis 								 
 ************************************************/
IppStatus appsComputeImpulseResponse_G723_16s	      (Ipp16s valHarmonicDelay, 
							Ipp16s valHarmonicGain, 
							const Ipp16s *pSrcWgtLpc,
							const Ipp16s *pSrcQLpc, 
							Ipp16s *pDstImpulseResponse);
							
IppStatus appsApplyHarmonicNoiseShaping_G723_16s      (Ipp16s *pSrcPrcptWgtSpch, 
							Ipp16s *pDstHarmonicWgtSpch, 
							 Ipp16s *valHarmonicDelay, 
                                                       Ipp16s *valHarmonicGain);

IppStatus appsComputeAdaptiveTargetVector_G723_16s    (Ipp16s valHarmonicDelay,			
							Ipp16s valHarmonicGain,			
							 const Ipp16s *pSrcWgtLpc,			
							 const Ipp16s *pSrcQLpc,			
							 const Ipp16s *pSrcZfir,			
							const Ipp16s *pSrcZiir,			
							 Ipp16s *pSrcDstTargetSignal);		

IppStatus appsComputeFixedTargetVector_G723_16s_I     (Ipp16s *pSrcDstFixedCbTarget, 
							Ipp16s *pSrcAdaptCbVect, 
							Ipp16s *pSrcImpulseRespVect);

IppStatus appsUpdateCombinedFilter_G723_16s           (const Ipp16s *pSrcWgtLpc, 
							const Ipp16s *pSrcQLpc, 
							Ipp16s *pSrcDstExcitation, 
							Ipp16s *pSrcDstZfir, 
							Ipp16s *pSrcDstZiir);

/*********************************
 G.723.1 adaptive codebook search 										 
 *********************************/
IppStatus appsOpenLoopPitchSearchPreprocess_G723_16s  (Ipp16s *pSrcPrcptWgtSpch, 
							Ipp16s *pDstOLPSAnalysisBuf, 
							Ipp16s *pDstPrcptWgtSpchHist);

/******************************
 G.723.1 ACELP codebook search 
 ******************************/
IppStatus appsPitchSyncFilter_G723_16s_I        (Ipp16s *pSrcDstImpulseResp,
						Ipp16s valOpenLoopPitchLag,
						Ipp16s valClosedLoopPitchOffset,
						Ipp16s valAdaptGainIndex,
						Ipp16s *pDstPitchSyncIndex,
						Ipp16s *pDstPitchSyncGain);

IppStatus appsACELPCrossCorr_G723_16s	        (const Ipp16s *pSrcResidual, 
						 const Ipp16s *pSrcImpulseResponse,
						Ipp16s *pDstFixedCorr);

IppStatus appsACELPGainQuant_G723_16s		(const Ipp16s *pSrcResidual, 
						const Ipp16s *pSrcImpulseResp,
						const Ipp16s *pSrcPulseSigns, 
						const Ipp16s *pSrcPulsePositions, 
						Ipp16s *pDstQGain,
						Ipp16s *pDstQGainIndex);

IppStatus appsScaleACELPVector_G723_16s_I       (Ipp16s *pSrcDstVectACELP, 
                                                 Ipp16s valQuantGain, 
						Ipp16s valPitchSyncIndex,
						 Ipp16s valPitchSyncGain);

IppStatus appsEncodeACELPVector_G723            (Ipp16s *pSrcPulseSign, 
						 Ipp16s *pSrcPulsePos,
						  Ipp16s *pDstEncPulseSign, 
						 Ipp32s *pDstEncPulsePos);

IppStatus appsUpdateErrorTaming_G723_16		(Ipp16s valEstimatedPitch, 
						 Ipp16s valClosedLoopPitchOffset, 
						 Ipp16s valAdaptGainIndex,
						 Ipp32s *pSrcDstErrorTamingParam, 
						IppSpchBitRate bitRate);

/*************************************************
 G.723.1 fixed (ACELP/MPMLQ) codevector synthesis
 *************************************************/
IppStatus appsDecodeACELPVector_G723_16s		      (Ipp16s valEstimatedPitchLag,		
								Ipp16s valClosedLoopPitchOffset,	
								Ipp16s valPulseSigns,				
								Ipp16s valQuantGainIndex,			
								 Ipp16s valPulseGrid,		     	
								Ipp16s valAdaptGainIndex,			
								 Ipp32s valPulsePosition,			
								 Ipp16s *pDstVectACELP);			
	   
IppStatus appsDecodeMPMLQVector_G723_16s		      (Ipp16s valEstimatedPitchLag,	
								Ipp16s valPulseSigns,			
								 Ipp16s valQuantGainIndex,		
								 Ipp16s valPulseGrid,			
								 Ipp32s valPulsePositions,		
								 Ipp16s *pDstVectMPMLQF,		
								 Ipp16s trainDirac,	 		    
								Ipp16s subFrame);			    

/******************************************
 G.723.1 excitation synthesis (non-erasure) 
 ******************************************/
IppStatus appsGenerateExcitation_G723_16s	(Ipp16s *pSrcFixedCbVect, 
						Ipp16s *pSrcAdaptCbVect, 
						Ipp16s *pDstExcitVect);

IppStatus appsNormalizeExcitation_G723_16s	(Ipp16s *pSrcExcit, 
						 Ipp16s *pDstExcitNorm, 
						 Ipp16s *pSrcDstExcitHist,
						Ipp16s *pDstTargetExcitGain);

IppStatus appsApplyPitchPostFilter_G723_16s           (Ipp16s valDelay,				
							 Ipp16s valGain,					
							 Ipp16s valScalingGain,			
							 Ipp16s *pSrcExcitation,			
							Ipp16s *pDstExcitationPPF);		

IppStatus appsApplyFormantPostFilter_G723_16s	      (const Ipp16s *pSrcLpc,		
							 Ipp16s *pSrcDstSpch,		
							 Ipp16s *pSrcDstZfir,		
							 Ipp16s *pSrcDstZiir,		
							 Ipp32s *pDstSpeechEnergy,  
							 Ipp16s *pDstAutoCorr);		

IppStatus appsApplyGainScale_G723_16s_I	 	          (Ipp16s *pSrcDstSpch,
							int postFilterEnabled,
							 Ipp16s *pPrevGain,         
							 Ipp32s valSpeechEnergy);	

IppStatus appsUpdateExcitationHistory_G723_16s	      (Ipp16s *pSrcAdaptCbVect,
							 Ipp16s *pSrcFixedCbVect,
							Ipp16s *pDstExcitHistBuf);

IppStatus appsDecodeDTXGain_G723_16s		( Ipp16s gainIndex, 
						 Ipp16s frameType,
						Ipp16s prevDTXFrameType,
						Ipp16s *sidGain, 
						Ipp16s *targetExcitationGain);

/********************************
 G.723.1A VAD and DTX processing 
 ********************************/
IppStatus appsVAD_G723_16s	 (Ipp16s valSineDtct, 
				const Ipp16s *pSrcOpenDelay, 
				const Ipp16s *pSrcVadLpc, 
				const Ipp16s *pSrcSpch, 
				Ipp16s *pResultVadDetect, 	 
				IppG723AVadState *pVadState);

IppStatus appsDTXDecision_G723_16s	 (Ipp16s valPrevDTXFrameType, 
					  const Ipp16s * pSrcPrevLsf, 
					const Ipp16s * pSrcAutoCorr, 
					const Ipp16s * pSrcAutoCorrExp, 
					 Ipp16s * pSrcDstVadLpc, 
					Ipp16s * pResultQSidGainIndex, 
					Ipp16s * pResultQSidGain, 
					Ipp32s * pResultQSidLsfIndex, 
					  Ipp16s * pDstQSidLsf, 
					  Ipp16s * pResultDTXFrameType,
					 Ipp16s * pCngGain,
					 IppG723AVadState * pVadState, 
					IppG723ADtxState * pDtxState);

IppStatus appsGenerateCNGExcitation_G723_16s	      (Ipp16s valSidGain, 
							Ipp16s *pSrcDstPrevExcitation,
							 Ipp16s *pDstBaseDelay, 
							 Ipp16s *pDstCloseLag, 
							 Ipp16s *pDstAdptGainIndex, 
							 Ipp16s *pDstExcitation,
							Ipp16s *pSeed, 
							 IppSpchBitRate bitRate);

/*************************************
 G.723.1 erasure excitation synthesis 
 *************************************/
IppStatus appsGenerateErasureExcitation_G723_16s	  (Ipp16s *pDstExcit, 
							Ipp16s *pSrcDstExcitHistory,
							Ipp16s *pSrcRandSeed, 
							Ipp16s valInterpIndex,
							 Ipp16s valConsecFrameErasures,
							  Ipp16s valInterpolationGain);

IppStatus appsUpdateErasureInterpIndex_G723_16s	      (Ipp16s valEstimatedPitch,
                                                       const Ipp16s *pSrcResidual, 
							 Ipp16s *pDstInterpIndex);

IppStatus appsUpdateErasureInterpIndex_G723A_16s	  (Ipp16s valBaseDelay, 
							 const Ipp16s * pSrcResidual, 
							Ipp16s * pResultIntpltIndex,
							Ipp16s * pResultResidualEnergy);

/*****************************
 G.723.1 bitstream processing 
 *****************************/
IppStatus appsPackBitstream_G723_8u                   (Ipp8u *pDstBitStream,
							int *pDstNumBitstreamBytes,
							Ipp32s valQLsfIndex, 
							Ipp16s *pSrcAdaptCbIndexAbs,
							Ipp16s *pSrcAdaptCbIndexDiff,
							 Ipp16s *pSrcAdaptCbGainIndex,
							Ipp16s *pSrcFixedCbGainIndex,
							 Ipp16s *pSrcFixedCbDiracPulseFlag,
							Ipp16s *pSrcFixedCbGridAlign,
							Ipp32s *pSrcFixedCbPulsePos,
							 Ipp16s *pSrcFixedCbPulseSign,
							 Ipp16s *frameTypeHistory,
							 Ipp16s frameType,
							IppSpchBitRate bitRate);

IppStatus appsUnpackBitstream_G723_8u          (Ipp8u *pSrcBitStream, 
						int *pDstNumBitstreamBytes,
						 Ipp32s *pDstQLsfIndex, 
						Ipp16s *pDstAdaptCbIndexAbs,
						 Ipp16s *pDstAdaptCbIndexDiff,
						 Ipp16s *pDstAdaptCbGainIndex,
						 Ipp16s *pDstFixedCbGainIndex,
						Ipp16s *pDstFixedCbDiracPulseFlag,
						Ipp16s *pDstFixedCbGridAlign,
						 Ipp32s *pDstFixedCbPulsePos,
						Ipp16s *pDstFixedCbPulseSign,
						Ipp16s *pDstInterpolationGain,
						Ipp16s *pDstConsecFrameErasures,
						 Ipp16s prevDTXFrameType,
						 Ipp16s *frameType,
						 IppSpchBitRate *pDstBitRate,
						 Ipp16s *pDstInvalidFrame);

/*******************************
 G.723.1 scalar math operations 
 *******************************/
Ipp32s appsMul16by32_G723_32s		(Ipp32s val1, Ipp16s val2);
Ipp16s appsDiv16_G723_16s		(Ipp16s val1, Ipp16s val2);
Ipp16s appsDiv32_G723_32s16s		(Ipp32s val1, Ipp16s val2);
Ipp16s appsNorm16_G723_16s		(Ipp16s val, Ipp16s * pResult);
Ipp16s appsNorm32_G723_32s		(Ipp32s val, Ipp32s * pResult);
Ipp16s appsSqrt32_G723_32s16s		(Ipp32s val);
Ipp16s appsGenerateRandom_G723_16s	(Ipp16s * pValResultSeed, Ipp16s range);

#ifdef __cplusplus
}
#endif