Example #1
0
/* 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_ */
Example #2
0
File: lpcenc.c Project: VVer/opal
/* 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: lpcenc.c,v $
/* Revision 1.2  2006/08/01 13:06:50  rjongbloed
/* Added a raft of unvalidated audio codecs from OpenH323 tree
/*
/* Revision 1.1.2.1  2006/07/22 14:03:17  rjongbloed
/* Added more plug ins
/*
/* Revision 1.1.2.1  2006/05/08 13:49:57  rjongbloed
/* Imported all the audio codec plug ins from OpenH323
/*
/* Revision 1.1  2004/05/04 11:16:43  csoutheren
/* Initial version
/*
/* Revision 1.1  2000/06/05 04:45:12  robertj
/* Added LPC-10 2400bps codec
/*
 * 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_ */