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code for energy of signals

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git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@333 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
aymeric 2009-03-11 10:46:08 +00:00
parent 285ac6904e
commit d0d3f4a2e0
1 changed files with 53 additions and 21 deletions
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74
linphone/mediastreamer2/src/msconf.c
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@ -344,10 +344,10 @@ static void conf_sum(MSFilter *f, ConfState *s){
s->channels[0].is_speaking=-2;
}
if (s->channels[0].is_speaking<=0)
ms_message("silence on! (%i)", s->channels[0].is_speaking);
else
ms_message("speech on! (%i)", s->channels[0].is_speaking);
//if (s->channels[0].is_speaking<=0)
// ms_message("silence on! (%i)", s->channels[0].is_speaking);
//else
// ms_message("speech on! (%i)", s->channels[0].is_speaking);
}
for(j=0;j<s->conf_nsamples;++j){
@ -363,16 +363,48 @@ static void conf_sum(MSFilter *f, ConfState *s){
#ifndef DISABLE_SPEEX
if (chan->speex_pp!=NULL && s->enable_vad==TRUE && i==0)
{
struct channel_volume {
float energy;
int channel;
};
struct channel_volume vol;
float en;
int vad;
en=chan->energy;
for(j=0;j<s->conf_nsamples;++j){
float s=chan->input[j];
en=(s*s*coef) + (1.0-coef)*en;
}
chan->energy=en;
vol.energy = 10*log10f(chan->energy/max_e);
vol.channel = i;
ms_filter_notify(f, MS_CONF_CHANNEL_VOLUME, (void*)&vol);
vad = speex_preprocess(chan->speex_pp, (short*)chan->input, NULL);
ms_filter_notify(f, MS_CONF_SPEEX_PREPROCESS_MIC, (void*)chan->speex_pp);
}
else if (chan->speex_pp!=NULL && s->enable_vad==TRUE)
{
#if 0
int loudness;
#endif
struct channel_volume {
float energy;
int channel;
};
struct channel_volume vol;
float en;
int vad;
en=chan->energy;
for(j=0;j<s->conf_nsamples;++j){
float s=chan->input[j];
en=(s*s*coef) + (1.0-coef)*en;
}
chan->energy=en;
vol.energy = 10*log10f(chan->energy/max_e);
vol.channel = i;
ms_filter_notify(f, MS_CONF_CHANNEL_VOLUME, (void*)&vol);
if (s->enable_halfduplex>0)
{
vad = speex_preprocess(chan->speex_pp, (short*)chan->input, NULL);
@ -396,10 +428,10 @@ static void conf_sum(MSFilter *f, ConfState *s){
s->channels[0].is_speaking=-2;
}
if (s->channels[0].is_speaking<=0)
ms_message("silence on! (%i)", s->channels[0].is_speaking);
else
ms_message("speech on! (%i)", s->channels[0].is_speaking);
//if (s->channels[0].is_speaking<=0)
// ms_message("silence on! (%i)", s->channels[0].is_speaking);
//else
// ms_message("speech on! (%i)", s->channels[0].is_speaking);
}
else
{
@ -470,17 +502,17 @@ static void conf_dispatch(MSFilter *f, ConfState *s){
for (i=0;i<CONF_MAX_PINS;++i){
if (f->outputs[i]!=NULL){
chan=&s->channels[i];
if (s->channels[0].is_speaking<=0 || i%2==0) // RTP is silent, work as usual
//if (s->channels[0].is_speaking<=0 || i%2==0) // RTP is silent, work as usual
m=conf_output(s,chan);
else
{
int k;
m=allocb(s->conf_gran,0);
for (k=0;k<s->conf_nsamples;++k){
*((int16_t*)m->b_wptr)=0;
m->b_wptr+=2;
}
}
//else
//{
// int k;
// m=allocb(s->conf_gran,0);
// for (k=0;k<s->conf_nsamples;++k){
// *((int16_t*)m->b_wptr)=0;
// m->b_wptr+=2;
// }
//}
ms_queue_put(f->outputs[i],m);
}
}