diff options
Diffstat (limited to '1.2-netsec/codecs/lpc10/lpcenc.c')
| -rw-r--r-- | 1.2-netsec/codecs/lpc10/lpcenc.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/1.2-netsec/codecs/lpc10/lpcenc.c b/1.2-netsec/codecs/lpc10/lpcenc.c deleted file mode 100644 index 09924bd9e..000000000 --- a/1.2-netsec/codecs/lpc10/lpcenc.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - -$Log$ -Revision 1.15 2004/06/26 03:50:14 markster -Merge source cleanups (bug #1911) - -Revision 1.14 2003/02/12 13:59:15 matteo -mer feb 12 14:56:57 CET 2003 - -Revision 1.1.1.1 2003/02/12 13:59:15 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 20:31:21 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. - * - * Removed init function, since all initialization is now done in - * init_lpc10_encoder_state(). - * - * Changed name of function from lpcenc_ to lpc10_encode, simply to make - * all lpc10 functions have more consistent naming with each other. - * - * Revision 1.1 1996/08/19 22:31:44 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 lpcenc_(real *speech, integer *bits); -extern int initlpcenc_(void); -/*:ref: prepro_ 14 2 6 4 */ -/*:ref: analys_ 14 5 6 4 4 6 6 */ -/*:ref: encode_ 14 7 4 4 6 6 4 4 4 */ -/*:ref: chanwr_ 14 5 4 4 4 4 4 */ -/*:ref: initprepro_ 14 0 */ -/*:ref: initanalys_ 14 0 */ -#endif - -/* Table of constant values */ - -static integer c__180 = 180; -static integer c__10 = 10; - -/* ***************************************************************** */ - -/* $Log$ - * Revision 1.15 2004/06/26 03:50:14 markster - * Merge source cleanups (bug #1911) - * -/* Revision 1.14 2003/02/12 13:59:15 matteo -/* mer feb 12 14:56:57 CET 2003 -/* -/* Revision 1.1.1.1 2003/02/12 13:59:15 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 20:31:21 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. - * - * Removed init function, since all initialization is now done in - * init_lpc10_encoder_state(). - * - * Changed name of function from lpcenc_ to lpc10_encode, simply to make - * all lpc10 functions have more consistent naming with each other. - * - * Revision 1.1 1996/08/19 22:31:44 jaf - * Initial revision - * */ -/* Revision 1.2 1996/03/28 00:01:22 jaf */ -/* Commented out some trace statements. */ - -/* Revision 1.1 1996/03/28 00:00:27 jaf */ -/* Initial revision */ - - -/* ***************************************************************** */ - -/* Encode one frame of 180 speech samples to 54 bits. */ - -/* Input: */ -/* SPEECH - Speech encoded as real values in the range [-1,+1]. */ -/* Indices 1 through 180 read, and modified (by PREPRO). */ -/* Output: */ -/* BITS - 54 encoded bits, stored 1 per array element. */ -/* Indices 1 through 54 written. */ - -/* 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 */ -/* INITLPCENC. */ - -/* Subroutine */ int lpc10_encode(real *speech, integer *bits, - struct lpc10_encoder_state *st) -{ - integer irms, voice[2], pitch, ipitv; - real rc[10]; - extern /* Subroutine */ int encode_(integer *, integer *, real *, real *, - integer *, integer *, integer *), chanwr_(integer *, integer *, - integer *, integer *, integer *, struct lpc10_encoder_state *), - analys_(real *, integer *, - integer *, real *, real *, struct lpc10_encoder_state *), - prepro_(real *, integer *, struct lpc10_encoder_state *); - integer irc[10]; - real rms; - -/* Arguments */ -/* $Log$ - * Revision 1.15 2004/06/26 03:50:14 markster - * Merge source cleanups (bug #1911) - * -/* Revision 1.14 2003/02/12 13:59:15 matteo -/* mer feb 12 14:56:57 CET 2003 -/* -/* Revision 1.1.1.1 2003/02/12 13:59:15 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 20:31:21 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. - * - * Removed init function, since all initialization is now done in - * init_lpc10_encoder_state(). - * - * Changed name of function from lpcenc_ to lpc10_encode, simply to make - * all lpc10 functions have more consistent naming with each other. - * - * Revision 1.1 1996/08/19 22:31:44 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 */ -/* Local variables that need not be saved */ -/* Uncoded speech parameters */ -/* Coded speech parameters */ -/* Local state */ -/* None */ - /* Parameter adjustments */ - if (speech) { - --speech; - } - if (bits) { - --bits; - } - - /* Function Body */ - prepro_(&speech[1], &c__180, st); - analys_(&speech[1], voice, &pitch, &rms, rc, st); - encode_(voice, &pitch, &rms, rc, &ipitv, &irms, irc); - chanwr_(&c__10, &ipitv, &irms, irc, &bits[1], st); - return 0; -} /* lpcenc_ */ |