comparison layer/WaveformLayer.cpp @ 944:78c152e4db95

Merge from branch tonioni

 
 	*min = -50;
 	*max = 50;
         *deflt = 0;
 
-	val = lrint(log10(m_gain) * 20.0);
+	val = int(lrint(log10(m_gain) * 20.0));
 	if (val < *min) val = *min;
 	if (val > *max) val = *max;
 
     } else if (name == "Normalize Visible Area") {
 

 
 void
 WaveformLayer::setProperty(const PropertyName &name, int value)
 {
     if (name == "Gain") {
-	setGain(pow(10, float(value)/20.0));
+	setGain(float(pow(10, float(value)/20.0)));
     } else if (name == "Normalize Visible Area") {
         setAutoNormalize(value ? true : false);
     } else if (name == "Channels") {
         if (value == 1) setChannelMode(MixChannels);
         else if (value == 2) setChannelMode(MergeChannels);

     m_cacheValid = false;
     emit layerParametersChanged();
 }
 
 void
-WaveformLayer::setMiddleLineHeight(float height)
+WaveformLayer::setMiddleLineHeight(double height)
 {
     if (m_middleLineHeight == height) return;
     m_middleLineHeight = height;
     m_cacheValid = false;
     emit layerParametersChanged();

     if (m_model->isReady(&completion)) return 100;
     return completion;
 }
 
 bool
-WaveformLayer::getValueExtents(float &min, float &max,
+WaveformLayer::getValueExtents(double &min, double &max,
                                bool &, QString &unit) const
 {
     if (m_scale == LinearScale) {
         min = 0.0;
         max = 1.0;

     }
     return true;
 }
 
 int
-WaveformLayer::dBscale(float sample, int m) const
+WaveformLayer::dBscale(double sample, int m) const
 {
     if (sample < 0.0) return dBscale(-sample, m);
-    float dB = AudioLevel::multiplier_to_dB(sample);
+    double dB = AudioLevel::multiplier_to_dB(sample);
     if (dB < -50.0) return 0;
     if (dB > 0.0) return m;
     return int(((dB + 50.0) * m) / 50.0 + 0.1);
 }
 

 static float meterdbs[] = { -40, -30, -20, -15, -10,
                             -5, -3, -2, -1, -0.5, 0 };
 
 bool
 WaveformLayer::getSourceFramesForX(View *v, int x, int modelZoomLevel,
-                                   int &f0, int &f1) const
-{
-    int viewFrame = v->getFrameForX(x);
+                                   sv_frame_t &f0, sv_frame_t &f1) const
+{
+    sv_frame_t viewFrame = v->getFrameForX(x);
     if (viewFrame < 0) {
         f0 = 0;
         f1 = 0;
         return false;
     }

 }
 
 float
 WaveformLayer::getNormalizeGain(View *v, int channel) const
 {
-    int startFrame = v->getStartFrame();
-    int endFrame = v->getEndFrame();
-
-    int modelStart = m_model->getStartFrame();
-    int modelEnd = m_model->getEndFrame();
+    sv_frame_t startFrame = v->getStartFrame();
+    sv_frame_t endFrame = v->getEndFrame();
+
+    sv_frame_t modelStart = m_model->getStartFrame();
+    sv_frame_t modelEnd = m_model->getEndFrame();
     
-    int rangeStart, rangeEnd;
+    sv_frame_t rangeStart, rangeEnd;
             
     if (startFrame < modelStart) rangeStart = modelStart;
     else rangeStart = startFrame;
 
     if (endFrame < 0) rangeEnd = 0;

         range.setMax(std::max(range.max(), otherRange.max()));
         range.setMin(std::min(range.min(), otherRange.min()));
         range.setAbsmean(std::min(range.absmean(), otherRange.absmean()));
     }
 
-    return 1.0 / std::max(fabsf(range.max()), fabsf(range.min()));
+    return float(1.0 / std::max(fabs(range.max()), fabs(range.min())));
 }
 
 void
 WaveformLayer::paint(View *v, QPainter &viewPainter, QRect rect) const
 {

 
     paint->setRenderHint(QPainter::Antialiasing, false);
 
     if (m_middleLineHeight != 0.5) {
         paint->save();
-        float space = m_middleLineHeight * 2;
+        double space = m_middleLineHeight * 2;
         if (space > 1.0) space = 2.0 - space;
-        float yt = h * (m_middleLineHeight - space/2);
+        double yt = h * (m_middleLineHeight - space/2);
         paint->translate(QPointF(0, yt));
         paint->scale(1.0, space);
     }
 
     int x0 = 0, x1 = w - 1;

     // must remain the same when we scroll one or more pixels left or
     // right.
             
     int modelZoomLevel = m_model->getSummaryBlockSize(zoomLevel);
 
-    int frame0;
-    int frame1;
-    int spare;
+    sv_frame_t frame0;
+    sv_frame_t frame1;
+    sv_frame_t spare;
 
     getSourceFramesForX(v, x0, modelZoomLevel, frame0, spare);
     getSourceFramesForX(v, x1, modelZoomLevel, spare, frame1);
     
 #ifdef DEBUG_WAVEFORM_PAINT

 
         if (m_autoNormalize) {
             m_effectiveGains[ch] = getNormalizeGain(v, ch);
         }
 
-        float gain = m_effectiveGains[ch];
+        double gain = m_effectiveGains[ch];
 
 	int m = (h / channels) / 2;
 	int my = m + (((ch - minChannel) * h) / channels);
 
 #ifdef DEBUG_WAVEFORM_PAINT	

 
             paint->setPen(QColor(240, 240, 240));
 
             for (int i = 1; i < n; ++i) {
                 
-                float val = 0.0, nval = 0.0;
+                double val = 0.0, nval = 0.0;
 
                 switch (m_scale) {
 
                 case LinearScale:
                     val = (i * gain) / n;

 
 	for (int x = x0; x <= x1; ++x) {
 
 	    range = RangeSummarisableTimeValueModel::Range();
 
-            int f0, f1;
+            sv_frame_t f0, f1;
             if (!getSourceFramesForX(v, x, modelZoomLevel, f0, f1)) continue;
             f1 = f1 - 1;
 
             if (f0 < frame0) {
                 cerr << "ERROR: WaveformLayer::paint: pixel " << x << " has f0 = " << f0 << " which is less than range frame0 " << frame0 << " for x0 = " << x0 << endl;
                 continue;
             }
 
-            int i0 = (f0 - frame0) / modelZoomLevel;
-            int i1 = (f1 - frame0) / modelZoomLevel;
+            sv_frame_t i0 = (f0 - frame0) / modelZoomLevel;
+            sv_frame_t i1 = (f1 - frame0) / modelZoomLevel;
 
 #ifdef DEBUG_WAVEFORM_PAINT
             cerr << "WaveformLayer::paint: pixel " << x << ": i0 " << i0 << " (f " << f0 << "), i1 " << i1 << " (f " << f1 << ")" << endl;
 #endif
 

 	    if (m_greyscale && (m_scale == LinearScale)) greyLevels = 4;
 
 	    switch (m_scale) {
 
 	    case LinearScale:
-		rangeBottom = int( m * greyLevels * range.min() * gain);
-		rangeTop    = int( m * greyLevels * range.max() * gain);
-		meanBottom  = int(-m * range.absmean() * gain);
-		meanTop     = int( m * range.absmean() * gain);
+		rangeBottom = int(double(m * greyLevels) * range.min() * gain);
+		rangeTop    = int(double(m * greyLevels) * range.max() * gain);
+		meanBottom  = int(double(-m) * range.absmean() * gain);
+		meanTop     = int(double(m) * range.absmean() * gain);
 		break;
 
 	    case dBScale:
                 if (!mergingChannels) {
                     int db0 = dBscale(range.min() * gain, m);

 
     int zoomLevel = v->getZoomLevel();
 
     int modelZoomLevel = m_model->getSummaryBlockSize(zoomLevel);
 
-    int f0, f1;
+    sv_frame_t f0, f1;
     if (!getSourceFramesForX(v, x, modelZoomLevel, f0, f1)) return "";
     
     QString text;
 
     RealTime rt0 = RealTime::frame2RealTime(f0, m_model->getSampleRate());

 	    else if (ch == 1) label = tr("Right:");
 	    else label = tr("Channel %1").arg(ch + 1);
 	}
 
         bool singleValue = false;
-        float min, max;
+        double min, max;
 
         if (fabs(range.min()) < 0.01) {
             min = range.min();
             max = range.max();
             singleValue = (min == max);
         } else {
-            int imin = lrint(range.min() * 10000);
-            int imax = lrint(range.max() * 10000);
+            int imin = int(lrint(range.min() * 10000));
+            int imax = int(lrint(range.max() * 10000));
             singleValue = (imin == imax);
-            min = float(imin)/10000;
-            max = float(imax)/10000;
+            min = double(imin)/10000;
+            max = double(imax)/10000;
         }
 
 	int db = int(AudioLevel::multiplier_to_dB(std::max(fabsf(range.min()),
 							   fabsf(range.max())))
 		     * 100);
 
 	if (!singleValue) {
 	    text += tr("\n%1\t%2 - %3 (%4 dB peak)")
-		.arg(label).arg(min).arg(max).arg(float(db)/100);
+		.arg(label).arg(min).arg(max).arg(double(db)/100);
 	} else {
 	    text += tr("\n%1\t%2 (%3 dB peak)")
-		.arg(label).arg(min).arg(float(db)/100);
+		.arg(label).arg(min).arg(double(db)/100);
 	}
     }
 
     return text;
 }
 
 int
-WaveformLayer::getYForValue(const View *v, float value, int channel) const
+WaveformLayer::getYForValue(const View *v, double value, int channel) const
 {
     int channels = 0, minChannel = 0, maxChannel = 0;
     bool mergingChannels = false, mixingChannels = false;
 
     channels = getChannelArrangement(minChannel, maxChannel,

 //    cerr << "mergingChannels= " << mergingChannels << ", channel  = " << channel << ", value = " << value << ", vy = " << vy << endl;
 
     return my - vy;
 }
 
-float
+double
 WaveformLayer::getValueForY(const View *v, int y, int &channel) const
 {
     int channels = 0, minChannel = 0, maxChannel = 0;
     bool mergingChannels = false, mixingChannels = false;
 

     channel = (y * channels) / h + minChannel;
 
     int my = m + (((channel - minChannel) * h) / channels);
 
     int vy = my - y;
-    float value = 0;
-    float thresh = -50.f;
+    double value = 0;
+    double thresh = -50.f;
 
     switch (m_scale) {
 
     case LinearScale:
-        value = float(vy) / m;
+        value = double(vy) / m;
         break;
 
     case MeterScale:
         value = AudioLevel::preview_to_multiplier(vy, m);
         break;
 
     case dBScale:
-        value = (-thresh * float(vy)) / m + thresh;
+        value = (-thresh * double(vy)) / m + thresh;
         value = AudioLevel::dB_to_multiplier(value);
         break;
     }
 
     return value / m_gain;
 }
 
 bool
 WaveformLayer::getYScaleValue(const View *v, int y,
-                              float &value, QString &unit) const
+                              double &value, QString &unit) const
 {
     int channel;
 
     value = getValueForY(v, y, channel);
 
     if (m_scale == dBScale || m_scale == MeterScale) {
 
-        float thresh = -50.f;
+        double thresh = -50.f;
         
-        if (value > 0.f) {
-            value = 10.f * log10f(value);
+        if (value > 0.0) {
+            value = 10.0 * log10(value);
             if (value < thresh) value = thresh;
         } else value = thresh;
 
         unit = "dBV";
 

     return true;
 }
 
 bool
 WaveformLayer::getYScaleDifference(const View *v, int y0, int y1,
-                                   float &diff, QString &unit) const
+                                   double &diff, QString &unit) const
 {
     int c0, c1;
-    float v0 = getValueForY(v, y0, c0);
-    float v1 = getValueForY(v, y1, c1);
+    double v0 = getValueForY(v, y0, c0);
+    double v1 = getValueForY(v, y1, c1);
 
     if (c0 != c1) {
         // different channels, not comparable
-        diff = 0.f;
+        diff = 0.0;
         unit = "";
         return false;
     }
 
     if (m_scale == dBScale || m_scale == MeterScale) {
 
-        float thresh = -50.f;
+        double thresh = -50.0;
 
         if (v1 == v0) diff = thresh;
         else {
             if (v1 > v0) diff = v0 / v1;
             else diff = v1 / v0;
 
-            diff = 10.f * log10f(diff);
+            diff = 10.0 * log10(diff);
             if (diff < thresh) diff = thresh;
         }
 
         unit = "dBV";
 
     } else {
-        diff = fabsf(v1 - v0);
+        diff = fabs(v1 - v0);
         unit = "V";
     }
 
     return true;
 }

 
     int h = rect.height(), w = rect.width();
     int textHeight = paint.fontMetrics().height();
     int toff = -textHeight/2 + paint.fontMetrics().ascent() + 1;
 
-    float gain = m_gain;
+    double gain = m_gain;
 
     for (int ch = minChannel; ch <= maxChannel; ++ch) {
 
 	int lastLabelledY = -1;
 

 
         int n = 10;
 
 	for (int i = 0; i <= n; ++i) {
 
-            float val = 0.0, nval = 0.0;
+            double val = 0.0, nval = 0.0;
 	    QString text = "";
 
             switch (m_scale) {
                 
             case LinearScale:
                 val = (i * gain) / n;
-		text = QString("%1").arg(float(i) / n);
+		text = QString("%1").arg(double(i) / n);
 		if (i == 0) text = "0.0";
                 else {
                     nval = -val;
                     if (i == n) text = "1.0";
                 }

 }
 
 int
 WaveformLayer::getCurrentVerticalZoomStep() const
 {
-    int val = lrint(log10(m_gain) * 20.0) + 50;
+    int val = int(lrint(log10(m_gain) * 20.0) + 50);
     if (val < 0) val = 0;
     if (val > 100) val = 100;
     return val;
 }
 
 void
 WaveformLayer::setVerticalZoomStep(int step)
 {
-    setGain(pow(10, float(step - 50) / 20.0));
-}
-
+    setGain(powf(10, float(step - 50) / 20.f));
+}
+