diff options
Diffstat (limited to '1.2-netsec/codecs/lpc10/decode.c')
-rw-r--r-- | 1.2-netsec/codecs/lpc10/decode.c | 625 |
1 files changed, 0 insertions, 625 deletions
diff --git a/1.2-netsec/codecs/lpc10/decode.c b/1.2-netsec/codecs/lpc10/decode.c deleted file mode 100644 index 8a1661647..000000000 --- a/1.2-netsec/codecs/lpc10/decode.c +++ /dev/null @@ -1,625 +0,0 @@ -/* - -$Log$ -Revision 1.16 2004/06/26 03:50:14 markster -Merge source cleanups (bug #1911) - -Revision 1.15 2003/09/19 01:20:22 markster -Code cleanups (bug #66) - -Revision 1.2 2003/09/19 01:20:22 markster -Code cleanups (bug #66) - -Revision 1.1.1.1 2003/02/12 13:59:14 matteo -mer feb 12 14:56:57 CET 2003 - -Revision 1.2 2000/01/05 08:20:39 markster -Some OSS fixes and a few lpc changes to make it actually work - - * Revision 1.2 1996/08/20 20:22:39 jaf - * Removed all static local variables that were SAVE'd in the Fortran - * code, and put them in struct lpc10_decoder_state that is passed as an - * argument. - * - * Removed init function, since all initialization is now done in - * init_lpc10_decoder_state(). - * - * Revision 1.1 1996/08/19 22:32:38 jaf - * Initial revision - * - -*/ - -/* -- translated by f2c (version 19951025). - You must link the resulting object file with the libraries: - -lf2c -lm (in that order) -*/ - -#include "f2c.h" - -#ifdef P_R_O_T_O_T_Y_P_E_S -extern int decode_(integer *ipitv, integer *irms, integer *irc, integer *voice, integer *pitch, real *rms, real *rc, struct lpc10_decoder_state *st); -/* comlen contrl_ 12 */ -/*:ref: ham84_ 14 3 4 4 4 */ -/*:ref: median_ 4 3 4 4 4 */ -#endif - -/* Common Block Declarations */ - -extern struct { - integer order, lframe; - logical corrp; -} contrl_; - -#define contrl_1 contrl_ - -/* Table of constant values */ - -static integer c__2 = 2; - -/* ***************************************************************** */ - -/* DECODE Version 54 */ - -/* $Log$ - * Revision 1.16 2004/06/26 03:50:14 markster - * Merge source cleanups (bug #1911) - * -/* Revision 1.15 2003/09/19 01:20:22 markster -/* Code cleanups (bug #66) -/* -/* Revision 1.2 2003/09/19 01:20:22 markster -/* Code cleanups (bug #66) -/* -/* Revision 1.1.1.1 2003/02/12 13:59:14 matteo -/* mer feb 12 14:56:57 CET 2003 -/* -/* Revision 1.2 2000/01/05 08:20:39 markster -/* Some OSS fixes and a few lpc changes to make it actually work -/* - * Revision 1.2 1996/08/20 20:22:39 jaf - * Removed all static local variables that were SAVE'd in the Fortran - * code, and put them in struct lpc10_decoder_state that is passed as an - * argument. - * - * Removed init function, since all initialization is now done in - * init_lpc10_decoder_state(). - * - * Revision 1.1 1996/08/19 22:32:38 jaf - * Initial revision - * */ -/* Revision 1.5 1996/05/23 20:06:03 jaf */ -/* Assigned PITCH a "default" value on the first call, since otherwise it */ -/* would be left uninitialized. */ - -/* Revision 1.4 1996/03/26 19:35:18 jaf */ -/* Commented out trace statements. */ - -/* Revision 1.3 1996/03/21 21:10:50 jaf */ -/* Added entry INITDECODE to reinitialize the local state of subroutine */ -/* DECODE. */ - -/* Revision 1.2 1996/03/21 21:04:50 jaf */ -/* Determined which local variables should be saved from one invocation */ -/* to the next, and guessed initial values for some that should have been */ -/* saved, but weren't given initial values. Many of the arrays are */ -/* "constants", and many local variables are only used if the "global" */ -/* variable CORRP is .TRUE. */ - -/* Added comments explaining which indices of array arguments are read or */ -/* written. */ - -/* Revision 1.1 1996/02/12 03:21:10 jaf */ -/* Initial revision */ - - -/* ***************************************************************** */ - -/* This subroutine provides error correction and decoding */ -/* for all LPC parameters */ - -/* Input: */ -/* IPITV - Index value of pitch */ -/* IRMS - Coded Energy */ -/* CORRP - Error correction: */ -/* If FALSE, parameters are decoded directly with no delay. If TRUE, */ -/* most important parameter bits are protected by Hamming code and */ -/* median smoothed. This requires an additional frame of delay. */ -/* Input/Output: */ -/* IRC - Coded Reflection Coefficients */ -/* Indices 1 through ORDER always read, then written. */ -/* Output: */ -/* VOICE - Half frame voicing decisions */ -/* Indices 1 through 2 written. */ -/* PITCH - Decoded pitch */ -/* RMS - Energy */ -/* RC - Reflection coefficients */ -/* Indices 1 through ORDER written. */ - -/* NOTE: Zero RC's should be done more directly, but this would affect */ -/* coded parameter printout. */ - -/* This subroutine maintains local state from one call to the next. If */ -/* you want to switch to using a new audio stream for this filter, or */ -/* reinitialize its state for any other reason, call the ENTRY */ -/* INITDECODE. */ - -/* Subroutine */ int decode_(integer *ipitv, integer *irms, - integer *irc, integer *voice, integer *pitch, real *rms, real *rc, - struct lpc10_decoder_state *st) -{ - /* Initialized data */ - - logical *first; - static integer ethrs = 2048; - static integer ethrs1 = 128; - static integer ethrs2 = 1024; - static integer ethrs3 = 2048; - static integer ivtab[32] = { 24960,24960,24960,24960,25480,25480,25483, - 25480,16640,1560,1560,1560,16640,1816,1563,1560,24960,24960,24859, - 24856,26001,25881,25915,25913,1560,1560,7800,3640,1561,1561,3643, - 3641 }; - static real corth[32] /* was [4][8] */ = { 32767.f,10.f,5.f,0.f, - 32767.f,8.f,4.f,0.f,32.f,6.4f,3.2f,0.f,32.f,6.4f,3.2f,0.f,32.f, - 11.2f,6.4f,0.f,32.f,11.2f,6.4f,0.f,16.f,5.6f,3.2f,0.f,16.f,5.6f, - 3.2f,0.f }; - static integer detau[128] = { 0,0,0,3,0,3,3,31,0,3,3,21,3,3,29,30,0,3,3, - 20,3,25,27,26,3,23,58,22,3,24,28,3,0,3,3,3,3,39,33,32,3,37,35,36, - 3,38,34,3,3,42,46,44,50,40,48,3,54,3,56,3,52,3,3,1,0,3,3,108,3,78, - 100,104,3,84,92,88,156,80,96,3,3,74,70,72,66,76,68,3,62,3,60,3,64, - 3,3,1,3,116,132,112,148,152,3,3,140,3,136,3,144,3,3,1,124,120,128, - 3,3,3,3,1,3,3,3,1,3,1,1,1 }; - static integer rmst[64] = { 1024,936,856,784,718,656,600,550,502,460,420, - 384,352,328,294,270,246,226,206,188,172,158,144,132,120,110,102, - 92,84,78,70,64,60,54,50,46,42,38,34,32,30,26,24,22,20,18,17,16,15, - 14,13,12,11,10,9,8,7,6,5,4,3,2,1,0 }; - static integer detab7[32] = { 4,11,18,25,32,39,46,53,60,66,72,77,82,87,92, - 96,101,104,108,111,114,115,117,119,121,122,123,124,125,126,127, - 127 }; - static real descl[8] = { .6953f,.625f,.5781f,.5469f,.5312f,.5391f,.4688f, - .3828f }; - integer *ivp2h; - static integer deadd[8] = { 1152,-2816,-1536,-3584,-1280,-2432,768,-1920 } - ; - static integer qb[8] = { 511,511,1023,1023,1023,1023,2047,4095 }; - static integer nbit[10] = { 8,8,5,5,4,4,4,4,3,2 }; - static integer zrc[10] = { 0,0,0,0,0,3,0,2,0,0 }; - static integer bit[5] = { 2,4,8,16,32 }; - integer *iovoic; - integer *iavgp; - integer *iptold; - integer *erate; - integer *drc; - integer *dpit; - integer *drms; - - /* System generated locals */ - integer i__1, i__2; - - /* Builtin functions */ - integer pow_ii(integer *, integer *); - - /* Local variables */ - extern /* Subroutine */ int ham84_(integer *, integer *, integer *); - integer ipit, iout, i__, icorf, index, ivoic, ixcor, i1, i2, i4; - extern integer median_(integer *, integer *, integer *); - integer ishift, errcnt, lsb; - -/* $Log$ - * Revision 1.16 2004/06/26 03:50:14 markster - * Merge source cleanups (bug #1911) - * -/* Revision 1.15 2003/09/19 01:20:22 markster -/* Code cleanups (bug #66) -/* -/* Revision 1.2 2003/09/19 01:20:22 markster -/* Code cleanups (bug #66) -/* -/* Revision 1.1.1.1 2003/02/12 13:59:14 matteo -/* mer feb 12 14:56:57 CET 2003 -/* -/* Revision 1.2 2000/01/05 08:20:39 markster -/* Some OSS fixes and a few lpc changes to make it actually work -/* - * Revision 1.2 1996/08/20 20:22:39 jaf - * Removed all static local variables that were SAVE'd in the Fortran - * code, and put them in struct lpc10_decoder_state that is passed as an - * argument. - * - * Removed init function, since all initialization is now done in - * init_lpc10_decoder_state(). - * - * Revision 1.1 1996/08/19 22:32:38 jaf - * Initial revision - * */ -/* Revision 1.3 1996/03/29 22:03:47 jaf */ -/* Removed definitions for any constants that were no longer used. */ - -/* Revision 1.2 1996/03/26 19:34:33 jaf */ -/* Added comments indicating which constants are not needed in an */ -/* application that uses the LPC-10 coder. */ - -/* Revision 1.1 1996/02/07 14:43:51 jaf */ -/* Initial revision */ - -/* LPC Configuration parameters: */ -/* Frame size, Prediction order, Pitch period */ -/* Arguments */ -/* $Log$ - * Revision 1.16 2004/06/26 03:50:14 markster - * Merge source cleanups (bug #1911) - * -/* Revision 1.15 2003/09/19 01:20:22 markster -/* Code cleanups (bug #66) -/* -/* Revision 1.2 2003/09/19 01:20:22 markster -/* Code cleanups (bug #66) -/* -/* Revision 1.1.1.1 2003/02/12 13:59:14 matteo -/* mer feb 12 14:56:57 CET 2003 -/* -/* Revision 1.2 2000/01/05 08:20:39 markster -/* Some OSS fixes and a few lpc changes to make it actually work -/* - * Revision 1.2 1996/08/20 20:22:39 jaf - * Removed all static local variables that were SAVE'd in the Fortran - * code, and put them in struct lpc10_decoder_state that is passed as an - * argument. - * - * Removed init function, since all initialization is now done in - * init_lpc10_decoder_state(). - * - * Revision 1.1 1996/08/19 22:32:38 jaf - * Initial revision - * */ -/* Revision 1.3 1996/03/29 22:05:55 jaf */ -/* Commented out the common block variables that are not needed by the */ -/* embedded version. */ - -/* Revision 1.2 1996/03/26 19:34:50 jaf */ -/* Added comments indicating which constants are not needed in an */ -/* application that uses the LPC-10 coder. */ - -/* Revision 1.1 1996/02/07 14:44:09 jaf */ -/* Initial revision */ - -/* LPC Processing control variables: */ - -/* *** Read-only: initialized in setup */ - -/* Files for Speech, Parameter, and Bitstream Input & Output, */ -/* and message and debug outputs. */ - -/* Here are the only files which use these variables: */ - -/* lpcsim.f setup.f trans.f error.f vqsetup.f */ - -/* Many files which use fdebug are not listed, since it is only used in */ -/* those other files conditionally, to print trace statements. */ -/* integer fsi, fso, fpi, fpo, fbi, fbo, pbin, fmsg, fdebug */ -/* LPC order, Frame size, Quantization rate, Bits per frame, */ -/* Error correction */ -/* Subroutine SETUP is the only place where order is assigned a value, */ -/* and that value is 10. It could increase efficiency 1% or so to */ -/* declare order as a constant (i.e., a Fortran PARAMETER) instead of as -*/ -/* a variable in a COMMON block, since it is used in many places in the */ -/* core of the coding and decoding routines. Actually, I take that back. -*/ -/* At least when compiling with f2c, the upper bound of DO loops is */ -/* stored in a local variable before the DO loop begins, and then that is -*/ -/* compared against on each iteration. */ -/* Similarly for lframe, which is given a value of MAXFRM in SETUP. */ -/* Similarly for quant, which is given a value of 2400 in SETUP. quant */ -/* is used in only a few places, and never in the core coding and */ -/* decoding routines, so it could be eliminated entirely. */ -/* nbits is similar to quant, and is given a value of 54 in SETUP. */ -/* corrp is given a value of .TRUE. in SETUP, and is only used in the */ -/* subroutines ENCODE and DECODE. It doesn't affect the speed of the */ -/* coder significantly whether it is .TRUE. or .FALSE., or whether it is -*/ -/* a constant or a variable, since it is only examined once per frame. */ -/* Leaving it as a variable that is set to .TRUE. seems like a good */ -/* idea, since it does enable some error-correction capability for */ -/* unvoiced frames, with no change in the coding rate, and no noticeable -*/ -/* quality difference in the decoded speech. */ -/* integer quant, nbits */ -/* *** Read/write: variables for debugging, not needed for LPC algorithm -*/ - -/* Current frame, Unstable frames, Output clip count, Max onset buffer, -*/ -/* Debug listing detail level, Line count on listing page */ - -/* nframe is not needed for an embedded LPC10 at all. */ -/* nunsfm is initialized to 0 in SETUP, and incremented in subroutine */ -/* ERROR, which is only called from RCCHK. When LPC10 is embedded into */ -/* an application, I would recommend removing the call to ERROR in RCCHK, -*/ -/* and remove ERROR and nunsfm completely. */ -/* iclip is initialized to 0 in SETUP, and incremented in entry SWRITE in -*/ -/* sread.f. When LPC10 is embedded into an application, one might want */ -/* to cause it to be incremented in a routine that takes the output of */ -/* SYNTHS and sends it to an audio device. It could be optionally */ -/* displayed, for those that might want to know what it is. */ -/* maxosp is never initialized to 0 in SETUP, although it probably should -*/ -/* be, and it is updated in subroutine ANALYS. I doubt that its value */ -/* would be of much interest to an application in which LPC10 is */ -/* embedded. */ -/* listl and lincnt are not needed for an embedded LPC10 at all. */ -/* integer nframe, nunsfm, iclip, maxosp, listl, lincnt */ -/* common /contrl/ fsi, fso, fpi, fpo, fbi, fbo, pbin, fmsg, fdebug */ -/* common /contrl/ quant, nbits */ -/* common /contrl/ nframe, nunsfm, iclip, maxosp, listl, lincnt */ -/* Function return value definitions */ - -/* Parameters/constants */ - -/* The variables below that are not Fortran PARAMETER's are */ -/* initialized with DATA statements, and then never modified. */ -/* The following are used regardless of CORRP's value. */ - -/* DETAU, NBIT, QB, DEADD, DETAB7, RMST, DESCL */ - -/* The following are used only if CORRP is .TRUE. */ - -/* ETHRS, ETHRS1, ETHRS2, ETHRS3, IVTAB, BIT, CORTH, ZRC */ - -/* Local variables that need not be saved */ - -/* The following are used regardless of CORRP's value */ -/* The following are used only if CORRP is .TRUE. */ - -/* Local state */ - -/* The following are used regardless of CORRP's value */ -/* The following are used only if CORRP is .TRUE. */ -/* I am guessing the initial values for IVP2H, IOVOIC, DRC, DPIT, */ -/* and DRMS. They should be checked to see if they are reasonable. -*/ -/* I'm also guessing for ERATE, but I think 0 is the right initial -*/ -/* value. */ - /* Parameter adjustments */ - if (irc) { - --irc; - } - if (voice) { - --voice; - } - if (rc) { - --rc; - } - - /* Function Body */ - - iptold = &(st->iptold); - first = &(st->first); - ivp2h = &(st->ivp2h); - iovoic = &(st->iovoic); - iavgp = &(st->iavgp); - erate = &(st->erate); - drc = &(st->drc[0]); - dpit = &(st->dpit[0]); - drms = &(st->drms[0]); - -/* DATA statements for "constants" defined above. */ -/* IF (LISTL.GE.3) WRITE(FDEBUG,800) IPITV,IRMS,(IRC(J),J=1,ORDER) */ -/* 800 FORMAT(1X,' <<ERRCOR IN>>',T32,6X,I6,I5,T50,10I8) */ -/* If no error correction, do pitch and voicing then jump to decode */ - i4 = detau[*ipitv]; - if (! contrl_1.corrp) { - voice[1] = 1; - voice[2] = 1; - if (*ipitv <= 1) { - voice[1] = 0; - } - if (*ipitv == 0 || *ipitv == 2) { - voice[2] = 0; - } - *pitch = i4; - if (*pitch <= 4) { - *pitch = *iptold; - } - if (voice[1] == 1 && voice[2] == 1) { - *iptold = *pitch; - } - if (voice[1] != voice[2]) { - *pitch = *iptold; - } - goto L900; - } -/* Do error correction pitch and voicing */ - if (i4 > 4) { - dpit[0] = i4; - ivoic = 2; - *iavgp = (*iavgp * 15 + i4 + 8) / 16; - } else { - ivoic = i4; - dpit[0] = *iavgp; - } - drms[0] = *irms; - i__1 = contrl_1.order; - for (i__ = 1; i__ <= i__1; ++i__) { - drc[i__ * 3 - 3] = irc[i__]; - } -/* Determine index to IVTAB from V/UV decision */ -/* If error rate is high then use alternate table */ - index = (*ivp2h << 4) + (*iovoic << 2) + ivoic + 1; - i1 = ivtab[index - 1]; - ipit = i1 & 3; - icorf = i1 / 8; - if (*erate < ethrs) { - icorf /= 64; - } -/* Determine error rate: 4=high 1=low */ - ixcor = 4; - if (*erate < ethrs3) { - ixcor = 3; - } - if (*erate < ethrs2) { - ixcor = 2; - } - if (*erate < ethrs1) { - ixcor = 1; - } -/* Voice/unvoice decision determined from bits 0 and 1 of IVTAB */ - voice[1] = icorf / 2 & 1; - voice[2] = icorf & 1; -/* Skip decoding on first frame because present data not yet available */ - if (*first) { - *first = FALSE_; -/* Assign PITCH a "default" value on the first call, since */ -/* otherwise it would be left uninitialized. The two lines -*/ -/* below were copied from above, since it seemed like a */ -/* reasonable thing to do for the first call. */ - *pitch = i4; - if (*pitch <= 4) { - *pitch = *iptold; - } - goto L500; - } -/* If bit 4 of ICORF is set then correct RMS and RC(1) - RC(4). */ -/* Determine error rate and correct errors using a Hamming 8,4 code */ -/* during transition or unvoiced frame. If IOUT is negative, */ -/* more than 1 error occurred, use previous frame's parameters. */ - if ((icorf & bit[3]) != 0) { - errcnt = 0; - lsb = drms[1] & 1; - index = (drc[22] << 4) + drms[1] / 2; - ham84_(&index, &iout, &errcnt); - drms[1] = drms[2]; - if (iout >= 0) { - drms[1] = (iout << 1) + lsb; - } - for (i__ = 1; i__ <= 4; ++i__) { - if (i__ == 1) { - i1 = ((drc[25] & 7) << 1) + (drc[28] & 1); - } else { - i1 = drc[(9 - i__) * 3 - 2] & 15; - } - i2 = drc[(5 - i__) * 3 - 2] & 31; - lsb = i2 & 1; - index = (i1 << 4) + i2 / 2; - ham84_(&index, &iout, &errcnt); - if (iout >= 0) { - iout = (iout << 1) + lsb; - if ((iout & 16) == 16) { - iout += -32; - } - } else { - iout = drc[(5 - i__) * 3 - 1]; - } - drc[(5 - i__) * 3 - 2] = iout; - } -/* Determine error rate */ - *erate = *erate * .96875f + errcnt * 102; - } -/* Get unsmoothed RMS, RC's, and PITCH */ - *irms = drms[1]; - i__1 = contrl_1.order; - for (i__ = 1; i__ <= i__1; ++i__) { - irc[i__] = drc[i__ * 3 - 2]; - } - if (ipit == 1) { - dpit[1] = dpit[2]; - } - if (ipit == 3) { - dpit[1] = dpit[0]; - } - *pitch = dpit[1]; -/* If bit 2 of ICORF is set then smooth RMS and RC's, */ - if ((icorf & bit[1]) != 0) { - if ((i__1 = drms[1] - drms[0], (real) abs(i__1)) >= corth[ixcor + 3] - && (i__2 = drms[1] - drms[2], (real) abs(i__2)) >= corth[ - ixcor + 3]) { - *irms = median_(&drms[2], &drms[1], drms); - } - for (i__ = 1; i__ <= 6; ++i__) { - if ((i__1 = drc[i__ * 3 - 2] - drc[i__ * 3 - 3], (real) abs(i__1)) - >= corth[ixcor + ((i__ + 2) << 2) - 5] && (i__2 = drc[i__ * - 3 - 2] - drc[i__ * 3 - 1], (real) abs(i__2)) >= corth[ - ixcor + ((i__ + 2) << 2) - 5]) { - irc[i__] = median_(&drc[i__ * 3 - 1], &drc[i__ * 3 - 2], &drc[ - i__ * 3 - 3]); - } - } - } -/* If bit 3 of ICORF is set then smooth pitch */ - if ((icorf & bit[2]) != 0) { - if ((i__1 = dpit[1] - dpit[0], (real) abs(i__1)) >= corth[ixcor - 1] - && (i__2 = dpit[1] - dpit[2], (real) abs(i__2)) >= corth[ - ixcor - 1]) { - *pitch = median_(&dpit[2], &dpit[1], dpit); - } - } -/* If bit 5 of ICORF is set then RC(5) - RC(10) are loaded with */ -/* values so that after quantization bias is removed in decode */ -/* the values will be zero. */ -L500: - if ((icorf & bit[4]) != 0) { - i__1 = contrl_1.order; - for (i__ = 5; i__ <= i__1; ++i__) { - irc[i__] = zrc[i__ - 1]; - } - } -/* House keeping - one frame delay */ - *iovoic = ivoic; - *ivp2h = voice[2]; - dpit[2] = dpit[1]; - dpit[1] = dpit[0]; - drms[2] = drms[1]; - drms[1] = drms[0]; - i__1 = contrl_1.order; - for (i__ = 1; i__ <= i__1; ++i__) { - drc[i__ * 3 - 1] = drc[i__ * 3 - 2]; - drc[i__ * 3 - 2] = drc[i__ * 3 - 3]; - } -L900: -/* IF (LISTL.GE.3)WRITE(FDEBUG,801)VOICE,PITCH,IRMS,(IRC(J),J=1,ORDER) */ -/* 801 FORMAT(1X,'<<ERRCOR OUT>>',T32,2I3,I6,I5,T50,10I8) */ -/* Decode RMS */ - *irms = rmst[(31 - *irms) * 2]; -/* Decode RC(1) and RC(2) from log-area-ratios */ -/* Protect from illegal coded value (-16) caused by bit errors */ - for (i__ = 1; i__ <= 2; ++i__) { - i2 = irc[i__]; - i1 = 0; - if (i2 < 0) { - i1 = 1; - i2 = -i2; - if (i2 > 15) { - i2 = 0; - } - } - i2 = detab7[i2 * 2]; - if (i1 == 1) { - i2 = -i2; - } - ishift = 15 - nbit[i__ - 1]; - irc[i__] = i2 * pow_ii(&c__2, &ishift); - } -/* Decode RC(3)-RC(10) to sign plus 14 bits */ - i__1 = contrl_1.order; - for (i__ = 3; i__ <= i__1; ++i__) { - i2 = irc[i__]; - ishift = 15 - nbit[i__ - 1]; - i2 *= pow_ii(&c__2, &ishift); - i2 += qb[i__ - 3]; - irc[i__] = i2 * descl[i__ - 3] + deadd[i__ - 3]; - } -/* IF (LISTL.GE.3) WRITE(FDEBUG,811) IRMS, (IRC(I),I=1,ORDER) */ -/* 811 FORMAT(1X,'<<DECODE OUT>>',T45,I4,1X,10I8) */ -/* Scale RMS and RC's to reals */ - *rms = (real) (*irms); - i__1 = contrl_1.order; - for (i__ = 1; i__ <= i__1; ++i__) { - rc[i__] = irc[i__] / 16384.f; - } - return 0; -} /* decode_ */ |