Exemplo n.º 1
0
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();
}
Exemplo n.º 2
0
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();
}
Exemplo n.º 3
0
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);
}
Exemplo n.º 4
0
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);
}