--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sp_frm.h	Fri Jun 14 23:27:16 2024 +0000
@@ -0,0 +1,201 @@
+#ifndef __SP_FRM
+#define __SP_FRM
+
+#include "typedefs.h"
+#include "sp_rom.h"
+
+
+struct QuantList
+{
+  /* structure which points to the beginning of a block of candidate vq
+   * vectors.  It also stores the residual error for each vector. */
+  int    iNum;                         /* total number in list */
+  int    iRCIndex;                     /* an index to the first vector of the
+                                        * block */
+  Shortword pswPredErr[PREQ1_NUM_OF_ROWS];  /* PREQ1 is the biggest block */
+};
+
+/*_________________________________________________________________________
+ |                                                                         |
+ |                            Function Prototypes                          |
+ |_________________________________________________________________________|
+*/
+
+void   iir_d(Shortword pswCoeff[], Shortword pswIn[],
+                    Shortword pswXstate[],
+                    Shortword pswYstate[],
+                    int npts, int shifts,
+                    Shortword swPreFirDownSh,
+                    Shortword swFinalUpShift);
+
+
+  void   filt4_2nd(Shortword pswCoeff[],
+                          Shortword pswIn[],
+                          Shortword pswXstate[],
+                          Shortword pswYstate[],
+                          int npts,
+                          int shifts);
+
+  void   initPBarVBarL(Longword pL_PBarFull[],
+                              Shortword pswPBar[],
+                              Shortword pswVBar[]);
+
+  void   initPBarFullVBarFullL(Longword pL_CorrelSeq[],
+                                      Longword pL_PBarFull[],
+                                      Longword pL_VBarFull[]);
+
+  Shortword aflatRecursion(Shortword pswQntRc[],
+                                  Shortword pswPBar[],
+                                  Shortword pswVBar[],
+                                  Shortword *ppswPAddrs[],
+                                  Shortword *ppswVAddrs[],
+                                  Shortword swSegmentOrder);
+
+  void   aflatNewBarRecursionL(Shortword pswQntRc[],
+                                      int iSegment,
+                                      Longword pL_PBar[],
+                                      Longword pL_VBar[],
+                                      Shortword pswPBar[],
+                                      Shortword pswVBar[]);
+
+
+  void   setupPreQ(int iSeg, int iVector);
+
+  void   setupQuant(int iSeg, int iVector);
+
+  void   getNextVec(Shortword pswRc[]);
+
+  void   aflat(Shortword pswSpeechToLPC[],
+                      int piR0Index[],
+                      Shortword pswFinalRc[],
+                      int piVQCodewds[],
+                      Shortword swPtch,
+                      Shortword *pswVadFlag,
+                      Shortword *pswSP);
+
+
+  Shortword fnExp2(Longword L_Input);
+
+  Shortword fnLog2(Longword L_Input);
+
+  void   weightSpeechFrame(Shortword pswSpeechFrm[],
+                                  Shortword pswWNumSpace[],
+                                  Shortword pswWDenomSpace[],
+                                  Shortword pswWSpeechBuffBase[]);
+
+  void   getSfrmLpcTx(Shortword swPrevR0, Shortword swNewR0,
+                             Shortword pswPrevFrmKs[],
+                             Shortword pswPrevFrmAs[],
+                             Shortword pswPrevFrmSNWCoef[],
+                             Shortword pswNewFrmKs[],
+                             Shortword pswNewFrmAs[],
+                             Shortword pswNewFrmSNWCoef[],
+                             Shortword pswHPFSpeech[],
+                             short *pswSoftInterp,
+                             struct NormSw *psnsSqrtRs,
+                             Shortword ppswSynthAs[][NP],
+                             Shortword ppswSNWCoefAs[][NP]);
+
+  short int fnBest_CG(Shortword pswCframe[],
+                             Shortword pswGframe[],
+                             Shortword *pswCmaxSqr,
+                             Shortword *pswGmax,
+                             short int siNumPairs);
+
+  short  compResidEnergy(Shortword pswSpeech[],
+                                Shortword ppswInterpCoef[][NP],
+                                Shortword pswPreviousCoef[],
+                                Shortword pswCurrentCoef[],
+                                struct NormSw psnsSqrtRs[]);
+
+  Shortword r0Quant(Longword L_UnqntzdR0);
+
+  Shortword cov32(Shortword pswIn[],
+                         Longword pppL_B[NP][NP][2],
+                         Longword pppL_F[NP][NP][2],
+                         Longword pppL_C[NP][NP][2],
+                         Longword *pL_R0,
+                         Longword pL_VadAcf[],
+                         Shortword *pswVadScalAuto);
+
+  Longword flat(Shortword pswSpeechIn[],
+                       Shortword pswRc[],
+                       int *piR0Inx,
+                       Longword pL_VadAcf[],
+                       Shortword *pswVadScalAuto);
+
+
+
+  void   openLoopLagSearch(Shortword pswWSpeech[],
+                                  Shortword swPrevR0Index,
+                                  Shortword swCurrR0Index,
+                                  Shortword *psiUVCode,
+                                  Shortword pswLagList[],
+                                  Shortword pswNumLagList[],
+                                  Shortword pswPitchBuf[],
+                                  Shortword pswHNWCoefBuf[],
+                                  struct NormSw psnsWSfrmEng[],
+                                  Shortword pswVadLags[],
+                                  Shortword swSP);
+
+  Shortword getCCThreshold(Shortword swRp0,
+                                  Shortword swCC,
+                                  Shortword swG);
+
+  void   pitchLags(Shortword swBestIntLag,
+                          Shortword pswIntCs[],
+                          Shortword pswIntGs[],
+                          Shortword swCCThreshold,
+                          Shortword pswLPeaksSorted[],
+                          Shortword pswCPeaksSorted[],
+                          Shortword pswGPeaksSorted[],
+                          Shortword *psiNumSorted,
+                          Shortword *pswPitch,
+                          Shortword *pswHNWCoef);
+
+  short  CGInterpValid(Shortword swFullResLag,
+                              Shortword pswCIn[],
+                              Shortword pswGIn[],
+                              Shortword pswLOut[],
+                              Shortword pswCOut[],
+                              Shortword pswGOut[]);
+
+  void   CGInterp(Shortword pswLIn[],
+                         short siNum,
+                         Shortword pswCIn[],
+                         Shortword pswGIn[],
+                         short siLoIntLag,
+                         Shortword pswCOut[],
+                         Shortword pswGOut[]);
+
+  Shortword quantLag(Shortword swRawLag,
+                            Shortword *psiCode);
+
+  void   findBestInQuantList(struct QuantList psqlInList,
+                                    int iNumVectOut,
+                                    struct QuantList psqlBestOutList[]);
+
+  Shortword findPeak(Shortword swSingleResLag,
+                            Shortword pswCIn[],
+                            Shortword pswGIn[]);
+
+  void   bestDelta(Shortword pswLagList[],
+                          Shortword pswCSfrm[],
+                          Shortword pswGSfrm[],
+                          short int siNumLags,
+                          short int siSfrmIndex,
+                          Shortword pswLTraj[],
+                          Shortword pswCCTraj[],
+                          Shortword pswGTraj[]);
+
+  Shortword
+         maxCCOverGWithSign(Shortword pswCIn[],
+                                   Shortword pswGIn[],
+                                   Shortword *pswCCMax,
+                                   Shortword *pswGMax,
+                                   Shortword swNum);
+
+  void   getNWCoefs(Shortword pswACoefs[],
+                           Shortword pswHCoefs[]);
+
+#endif