diff options
Diffstat (limited to 'codecs/lpc10/decode.c')
| -rw-r--r-- | codecs/lpc10/decode.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/codecs/lpc10/decode.c b/codecs/lpc10/decode.c index 08b8b9192..d58cd0874 100644 --- a/codecs/lpc10/decode.c +++ b/codecs/lpc10/decode.c @@ -67,7 +67,7 @@ static integer c__2 = 2; * * 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) * @@ -144,7 +144,7 @@ static integer c__2 = 2; /* reinitialize its state for any other reason, call the ENTRY */ /* INITDECODE. */ -/* Subroutine */ int decode_(integer *ipitv, integer *irms, +/* Subroutine */ int decode_(integer *ipitv, integer *irms, integer *irc, integer *voice, integer *pitch, real *rms, real *rc, struct lpc10_decoder_state *st) { @@ -301,13 +301,13 @@ static integer c__2 = 2; /* 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 +/* 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. +/* 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 +/* 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. */ @@ -317,35 +317,35 @@ static integer c__2 = 2; /* 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 +/* 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 +/* 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 +/* *** Read/write: variables for debugging, not needed for LPC algorithm */ -/* Current frame, Unstable frames, Output clip count, Max onset buffer, +/* 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, +/* 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 +/* 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 +/* 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 */ @@ -379,9 +379,9 @@ static integer c__2 = 2; /* 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. +/* 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 +/* I'm also guessing for ERATE, but I think 0 is the right initial */ /* value. */ /* Parameter adjustments */ @@ -474,7 +474,7 @@ static integer c__2 = 2; if (*first) { *first = FALSE_; /* Assign PITCH a "default" value on the first call, since */ -/* otherwise it would be left uninitialized. The two lines +/* 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. */ @@ -535,7 +535,7 @@ static integer c__2 = 2; *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] + 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); @@ -552,7 +552,7 @@ static integer c__2 = 2; } /* 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] + 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); |