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clean up PSD computing on high frequency

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git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@394 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
aymeric 2009-03-31 08:32:34 +00:00
parent 8a5f7e9012
commit 2e94a354fd
1 changed files with 12 additions and 12 deletions
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24
linphone/mediastreamer2/src/msconf.c
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@ -131,13 +131,13 @@ static void channel_init(ConfState *s, Channel *chan, int pos){
/* enable AGC only on local soundcard */
val=0;
f=8000;
f=12000;
if (s->agc_level>0 && pos==0)
val=1;
else if (pos==0 && s->enable_halfduplex>0)
val=1;
else if ( pos%2==1 && s->enable_halfduplex>0)
val=1;
val=1; //1; should not do that
if (s->agc_level>0)
f=(float)s->agc_level;
@ -266,7 +266,6 @@ static double powerspectrum_stat_beyond8K(struct Channel *chan){
ps = (spx_int32_t*)ortp_malloc(sizeof(spx_int32_t)*ps_size);
speex_preprocess_ctl(chan->speex_pp, SPEEX_PREPROCESS_GET_PSD, ps);
mystat = 0;
for (i=ps_size/2;i < ps_size; i++) {
double yp;
@ -277,19 +276,21 @@ static double powerspectrum_stat_beyond8K(struct Channel *chan){
#endif
yp = yp * fftmul;
yp = MIN(yp * 3000.0, 1.0);
yp = (1 - yp) * (100 - 1.0f);
mystat = yp + mystat;
}
mystat = (mystat*2)/ps_size;
ortp_free(ps);
/* value between 0 and 100? */
mystat = mystat*100*2/ps_size;
if (mystat<0)
mystat=0;
if (mystat>100)
mystat=100;
//ms_message("average power spectrum on half highest values ONLY: stat=%.3lf", 108.064 - mystat);
/* values:
Maximum: 108,064 low volume on high frequency.
Decrease when volume increase. */
return mystat;
/* return value between 0 and 108,064? */
return 108.064-mystat;
}
#endif
@ -402,8 +403,7 @@ static void conf_sum(MSFilter *f, ConfState *s){
if (s->enable_halfduplex>0)
{
double mystat = powerspectrum_stat_beyond8K(chan);
//ms_message("is_speaking (chan=%i) -> on/stat=%.3lf", i, mystat);
if (mystat>10)
if (mystat>12)
{
ms_message("is_speaking (chan=%i) -> on/stat=%.3lf", i, mystat);
s->channels[0].is_speaking=20; /* keep RTP unmuted for the next few ms */