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-rwxr-xr-xcodecs/lpc10/decode.c589
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diff --git a/codecs/lpc10/decode.c b/codecs/lpc10/decode.c
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+++ b/codecs/lpc10/decode.c
@@ -0,0 +1,589 @@
+/*
+
+$Log$
+Revision 1.1 2000/01/05 08:20:39 markster
+Version 0.1.2 from FTP
+
+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
+ *
+
+*/
+
+#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
+
+/* -- translated by f2c (version 19951025).
+ You must link the resulting object file with the libraries:
+ -lf2c -lm (in that order)
+*/
+
+#include "f2c.h"
+
+/* 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 1.1 2000/01/05 08:20:39 markster
+ * Version 0.1.2 from FTP
+ *
+/* 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 1.1 2000/01/05 08:20:39 markster
+ * Version 0.1.2 from FTP
+ *
+/* 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 1.1 2000/01/05 08:20:39 markster
+ * Version 0.1.2 from FTP
+ *
+/* 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_ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 18:12:47 +0000