void AudioStats::on_Tick_timeout() {
AudioInputPtr ai = g.ai;
if (ai.get() == NULL || ! ai->sppPreprocess)
return;
bool nTalking = ai->isTransmitting();
QString txt;
txt.sprintf("%06.2f dB",ai->dPeakMic);
qlMicLevel->setText(txt);
txt.sprintf("%06.2f dB",ai->dPeakSpeaker);
qlSpeakerLevel->setText(txt);
txt.sprintf("%06.2f dB",ai->dPeakSignal);
qlSignalLevel->setText(txt);
spx_int32_t ps_size = 0;
speex_preprocess_ctl(ai->sppPreprocess, SPEEX_PREPROCESS_GET_PSD_SIZE, &ps_size);
STACKVAR(spx_int32_t, noise, ps_size);
STACKVAR(spx_int32_t, ps, ps_size);
speex_preprocess_ctl(ai->sppPreprocess, SPEEX_PREPROCESS_GET_PSD, ps);
speex_preprocess_ctl(ai->sppPreprocess, SPEEX_PREPROCESS_GET_NOISE_PSD, noise);
float s = 0.0f;
float n = 0.0001f;
int start = (ps_size * 300) / SAMPLE_RATE;
int stop = (ps_size * 2000) / SAMPLE_RATE;
for (int i=start;i<stop;i++) {
s += sqrtf(static_cast<float>(ps[i]));
n += sqrtf(static_cast<float>(noise[i]));
}
txt.sprintf("%06.3f",s / n);
qlMicSNR->setText(txt);
spx_int32_t v;
speex_preprocess_ctl(ai->sppPreprocess, SPEEX_PREPROCESS_GET_AGC_GAIN, &v);
float fv = powf(10.0f, (static_cast<float>(v) / 20.0f));
txt.sprintf("%03.0f%%",100.0f / fv);
qlMicVolume->setText(txt);
txt.sprintf("%03.0f%%",ai->fSpeechProb * 100.0f);
qlSpeechProb->setText(txt);
txt.sprintf("%04.1f kbit/s",static_cast<float>(ai->iBitrate) / 1000.0f);
qlBitrate->setText(txt);
if (nTalking != bTalking) {
bTalking = nTalking;
QFont f = qlSpeechProb->font();
f.setBold(bTalking);
qlSpeechProb->setFont(f);
}
if (g.uiDoublePush > 1000000)
txt = tr(">1000 ms");
else
txt.sprintf("%04llu ms",g.uiDoublePush / 1000);
qlDoublePush->setText(txt);
abSpeech->iBelow = iroundf(g.s.fVADmin * 32767.0f);
abSpeech->iAbove = iroundf(g.s.fVADmax * 32767.0f);
if (g.s.vsVAD == Settings::Amplitude) {
abSpeech->iValue = iroundf((32767.f/96.0f) * (96.0f + ai->dPeakMic));
} else {
abSpeech->iValue = iroundf(ai->fSpeechProb * 32767.0f);
}
abSpeech->update();
anwNoise->update();
if (aewEcho)
aewEcho->updateGL();
}
void AudioEchoWidget::paintGL() {
AudioInputPtr ai = g.ai;
if (! ai || ! ai->sesEcho)
return;
ai->qmSpeex.lock();
spx_int32_t sz;
speex_echo_ctl(ai->sesEcho, SPEEX_ECHO_GET_IMPULSE_RESPONSE_SIZE, &sz);
STACKVAR(spx_int32_t, w, sz);
STACKVAR(float, W, sz);
speex_echo_ctl(ai->sesEcho, SPEEX_ECHO_GET_IMPULSE_RESPONSE, w);
ai->qmSpeex.unlock();
int N = 160;
int n = 2 * N;
int M = sz / n;
drft_lookup d;
mumble_drft_init(&d, n);
for (int j=0;j<M;j++) {
for (int i=0;i<n;i++)
W[j*n+i] = static_cast<float>(w[j*n+i]) / static_cast<float>(n);
mumble_drft_forward(&d, & W[j*n]);
}
mumble_drft_clear(&d);
float xscale = 1.0f / static_cast<float>(N);
float yscale = 1.0f / static_cast<float>(M);
glBegin(GL_QUADS);
for (int j = 0; j < M; j++) {
for (int i=1;i < N; i++) {
float xa = static_cast<float>(i) * xscale;
float ya = static_cast<float>(j) * yscale;
float xb = xa + xscale;
float yb = ya + yscale;
mapEchoToColor(sqrtf(W[j*n+2*i]*W[j*n+2*i]+W[j*n+2*i-1]*W[j*n+2*i-1]) / 65536.f);
glVertex2f(xa, ya);
glVertex2f(xb, ya);
glVertex2f(xb, yb);
glVertex2f(xa, yb);
}
}
glEnd();
glBegin(GL_LINE_STRIP);
glColor3f(1.0f, 0.0f, 1.0f);
xscale = 1.0f / (2.0f*static_cast<float>(n));
yscale = 1.0f / (200.0f * 32767.0f);
for (int i=0;i<2*n;i++) {
glVertex2f(static_cast<float>(i)*xscale, 0.5f + static_cast<float>(w[i]) * yscale);
}
glEnd();
}
void AudioNoiseWidget::paintEvent(QPaintEvent *) {
QPainter paint(this);
QPalette pal;
paint.fillRect(rect(), pal.color(QPalette::Background));
AudioInputPtr ai = g.ai;
if (ai.get() == NULL || ! ai->sppPreprocess)
return;
QPolygonF poly;
ai->qmSpeex.lock();
spx_int32_t ps_size = 0;
speex_preprocess_ctl(ai->sppPreprocess, SPEEX_PREPROCESS_GET_PSD_SIZE, &ps_size);
STACKVAR(spx_int32_t, noise, ps_size);
STACKVAR(spx_int32_t, ps, ps_size);
speex_preprocess_ctl(ai->sppPreprocess, SPEEX_PREPROCESS_GET_PSD, ps);
speex_preprocess_ctl(ai->sppPreprocess, SPEEX_PREPROCESS_GET_NOISE_PSD, noise);
ai->qmSpeex.unlock();
qreal sx, sy;
sx = (static_cast<float>(width()) - 1.0f) / static_cast<float>(ps_size);
sy = static_cast<float>(height()) - 1.0f;
poly << QPointF(0.0f, height() - 1);
float fftmul = 1.0 / (32768.0);
for (int i=0; i < ps_size; i++) {
qreal xp, yp;
xp = i * sx;
yp = sqrtf(sqrtf(static_cast<float>(noise[i]))) - 1.0f;
yp = yp * fftmul;
yp = qMin<qreal>(yp * 3000.0f, 1.0f);
yp = (1 - yp) * sy;
poly << QPointF(xp, yp);
}
poly << QPointF(width() - 1, height() - 1);
poly << QPointF(0.0f, height() - 1);
paint.setPen(Qt::blue);
paint.setBrush(Qt::blue);
paint.drawPolygon(poly);
poly.clear();
for (int i=0;i < ps_size; i++) {
qreal xp, yp;
xp = i * sx;
yp = sqrtf(sqrtf(static_cast<float>(ps[i]))) - 1.0f;
yp = yp * fftmul;
yp = qMin(yp * 3000.0, 1.0);
yp = (1 - yp) * sy;
poly << QPointF(xp, yp);
}
paint.setPen(Qt::red);
paint.drawPolyline(poly);
}
void AudioEchoWidget::paintEvent(QPaintEvent *) {
QPainter paint(this);
paint.scale(width(), height());
paint.fillRect(rect(), Qt::black);
AudioInputPtr ai = g.ai;
if (! ai || ! ai->sesEcho)
return;
ai->qmSpeex.lock();
spx_int32_t sz;
speex_echo_ctl(ai->sesEcho, SPEEX_ECHO_GET_IMPULSE_RESPONSE_SIZE, &sz);
STACKVAR(spx_int32_t, w, sz);
STACKVAR(float, W, sz);
speex_echo_ctl(ai->sesEcho, SPEEX_ECHO_GET_IMPULSE_RESPONSE, w);
ai->qmSpeex.unlock();
int N = 160;
int n = 2 * N;
int M = sz / n;
drft_lookup d;
mumble_drft_init(&d, n);
for (int j=0;j<M;j++) {
for (int i=0;i<n;i++)
W[j*n+i] = static_cast<float>(w[j*n+i]) / static_cast<float>(n);
mumble_drft_forward(&d, & W[j*n]);
}
mumble_drft_clear(&d);
float xscale = 1.0f / static_cast<float>(N);
float yscale = 1.0f / static_cast<float>(M);
for (int j = 0; j < M; j++) {
for (int i=1;i < N; i++) {
float xa = static_cast<float>(i) * xscale;
float ya = static_cast<float>(j) * yscale;
float xb = xa + xscale;
float yb = ya + yscale;
const QColor &c = mapEchoToColor(sqrtf(W[j*n+2*i]*W[j*n+2*i]+W[j*n+2*i-1]*W[j*n+2*i-1]) / 65536.f);
paint.fillRect(QRectF(QPointF(xa, ya), QPointF(xb, yb)), c);
}
}
QPolygonF poly;
xscale = 1.0f / (2.0f * static_cast<float>(n));
yscale = 1.0f / (200.0f * 32767.0f);
for (int i = 0; i < 2 * n; i++) {
poly << QPointF(static_cast<float>(i) * xscale, 0.5f + static_cast<float>(w[i]) * yscale);
}
paint.setPen(QColor::fromRgbF(1.0f, 0.0f, 1.0f));
paint.drawPolyline(poly);
}