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-rw-r--r--codecs/lpc10/chanwr.c232
1 files changed, 0 insertions, 232 deletions
diff --git a/codecs/lpc10/chanwr.c b/codecs/lpc10/chanwr.c
deleted file mode 100644
index cefcdd145..000000000
--- a/codecs/lpc10/chanwr.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
-
-$Log$
-Revision 1.15 2004/06/26 03:50:14 markster
-Merge source cleanups (bug #1911)
-
-Revision 1.14 2003/02/12 13:59:14 matteo
-mer feb 12 14:56:57 CET 2003
-
-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 20:20:24 jaf
- * Removed all static local variables that were SAVE'd in the Fortran
- * code, and put them in struct lpc10_encoder_state that is passed as an
- * argument.
- *
- * Revision 1.1 1996/08/19 22:40:31 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"
-
-/* *********************************************************************** */
-
-/* CHANL Version 49 */
-
-/* $Log$
- * Revision 1.15 2004/06/26 03:50:14 markster
- * Merge source cleanups (bug #1911)
- *
- * Revision 1.14 2003/02/12 13:59:14 matteo
- * mer feb 12 14:56:57 CET 2003
- *
- * 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 20:20:24 jaf
- * Removed all static local variables that were SAVE'd in the Fortran
- * code, and put them in struct lpc10_encoder_state that is passed as an
- * argument.
- *
- * Revision 1.1 1996/08/19 22:40:31 jaf
- * Initial revision
- * */
-/* Revision 1.3 1996/03/21 15:14:57 jaf */
-/* Added comments about which indices of argument arrays are read or */
-/* written, and about the one bit of local state in CHANWR. CHANRD */
-/* has no local state. */
-
-/* Revision 1.2 1996/03/13 18:55:10 jaf */
-/* Comments added explaining which of the local variables of this */
-/* subroutine need to be saved from one invocation to the next, and which */
-/* do not. */
-
-/* Revision 1.1 1996/02/07 14:43:31 jaf */
-/* Initial revision */
-
-
-/* *********************************************************************** */
-
-/* CHANWR: */
-/* Place quantized parameters into bitstream */
-
-/* Input: */
-/* ORDER - Number of reflection coefficients (not really variable) */
-/* IPITV - Quantized pitch/voicing parameter */
-/* IRMS - Quantized energy parameter */
-/* IRC - Quantized reflection coefficients */
-/* Indices 1 through ORDER read. */
-/* Output: */
-/* IBITS - Serial bitstream */
-/* Indices 1 through 54 written. */
-/* Bit 54, the SYNC bit, alternates from one call to the next. */
-
-/* Subroutine CHANWR maintains one bit of local state from one call to */
-/* the next, in the variable ISYNC. I believe that this one bit is only */
-/* intended to allow a receiver to resynchronize its interpretation of */
-/* the bit stream, by looking for which of the 54 bits alternates every */
-/* frame time. This is just a simple framing mechanism that is not */
-/* useful when other, higher overhead framing mechanisms are used to */
-/* transmit the coded frames. */
-
-/* I'm not going to make an entry to reinitialize this bit, since it */
-/* doesn't help a receiver much to know whether the first sync bit is a 0 */
-/* or a 1. It needs to examine several frames in sequence to have */
-/* reasonably good assurance that its framing is correct. */
-
-
-/* CHANRD: */
-/* Reconstruct parameters from bitstream */
-
-/* Input: */
-/* ORDER - Number of reflection coefficients (not really variable) */
-/* IBITS - Serial bitstream */
-/* Indices 1 through 53 read (SYNC bit is ignored). */
-/* Output: */
-/* IPITV - Quantized pitch/voicing parameter */
-/* IRMS - Quantized energy parameter */
-/* IRC - Quantized reflection coefficients */
-/* Indices 1 through ORDER written */
-
-/* Entry CHANRD has no local state. */
-
-
-
-/* IBITS is 54 bits of LPC data ordered as follows: */
-/* R1-0, R2-0, R3-0, P-0, A-0, */
-/* R1-1, R2-1, R3-1, P-1, A-1, */
-/* R1-2, R4-0, R3-2, A-2, P-2, R4-1, */
-/* R1-3, R2-2, R3-3, R4-2, A-3, */
-/* R1-4, R2-3, R3-4, R4-3, A-4, */
-/* P-3, R2-4, R7-0, R8-0, P-4, R4-4, */
-/* R5-0, R6-0, R7-1,R10-0, R8-1, */
-/* R5-1, R6-1, R7-2, R9-0, P-5, */
-/* R5-2, R6-2,R10-1, R8-2, P-6, R9-1, */
-/* R5-3, R6-3, R7-3, R9-2, R8-3, SYNC */
-/* Subroutine */ int chanwr_0_(int n__, integer *order, integer *ipitv,
- integer *irms, integer *irc, integer *ibits,
- struct lpc10_encoder_state *st)
-{
- /* Initialized data */
-
- integer *isync;
- static integer bit[10] = { 2,4,8,8,8,8,16,16,16,16 };
- static integer iblist[53] = { 13,12,11,1,2,13,12,11,1,2,13,10,11,2,1,10,
- 13,12,11,10,2,13,12,11,10,2,1,12,7,6,1,10,9,8,7,4,6,9,8,7,5,1,9,8,
- 4,6,1,5,9,8,7,5,6 };
-
- /* System generated locals */
- integer i__1;
-
- /* Local variables */
- integer itab[13], i__;
-
-/* Arguments */
-/* Parameters/constants */
-/* These arrays are not Fortran PARAMETER's, but they are defined */
-/* by DATA statements below, and their contents are never altered.
-*/
-/* Local variables that need not be saved */
-/* Local state */
-/* ISYNC is only used by CHANWR, not by ENTRY CHANRD. */
-
- /* Parameter adjustments */
- --irc;
- --ibits;
-
- /* Function Body */
- switch(n__) {
- case 1: goto L_chanrd;
- }
-
- isync = &(st->isync);
-
-/* ***********************************************************************
- */
-/* Place quantized parameters into bitstream */
-/* ***********************************************************************
- */
-/* Place parameters into ITAB */
- itab[0] = *ipitv;
- itab[1] = *irms;
- itab[2] = 0;
- i__1 = *order;
- for (i__ = 1; i__ <= i__1; ++i__) {
- itab[i__ + 2] = irc[*order + 1 - i__] & 32767;
- }
-/* Put 54 bits into IBITS array */
- for (i__ = 1; i__ <= 53; ++i__) {
- ibits[i__] = itab[iblist[i__ - 1] - 1] & 1;
- itab[iblist[i__ - 1] - 1] /= 2;
- }
- ibits[54] = *isync & 1;
- *isync = 1 - *isync;
- return 0;
-/* ***********************************************************************
- */
-/* Reconstruct parameters from bitstream */
-/* ***********************************************************************
- */
-
-L_chanrd:
-/* Reconstruct ITAB */
- for (i__ = 1; i__ <= 13; ++i__) {
- itab[i__ - 1] = 0;
- }
- for (i__ = 1; i__ <= 53; ++i__) {
- itab[iblist[54 - i__ - 1] - 1] = (itab[iblist[54 - i__ - 1] - 1] << 1)
- + ibits[54 - i__];
- }
-/* Sign extend RC's */
- i__1 = *order;
- for (i__ = 1; i__ <= i__1; ++i__) {
- if ((itab[i__ + 2] & bit[i__ - 1]) != 0) {
- itab[i__ + 2] -= bit[i__ - 1] << 1;
- }
- }
-/* Restore variables */
- *ipitv = itab[0];
- *irms = itab[1];
- i__1 = *order;
- for (i__ = 1; i__ <= i__1; ++i__) {
- irc[i__] = itab[*order + 4 - i__ - 1];
- }
- return 0;
-} /* chanwr_ */
-
-/* Subroutine */ int chanwr_(integer *order, integer *ipitv, integer *irms,
- integer *irc, integer *ibits, struct lpc10_encoder_state *st)
-{
- return chanwr_0_(0, order, ipitv, irms, irc, ibits, st);
- }
-
-/* Subroutine */ int chanrd_(integer *order, integer *ipitv, integer *irms,
- integer *irc, integer *ibits)
-{
- return chanwr_0_(1, order, ipitv, irms, irc, ibits, 0);
- }
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 01:14:09 +0000