Reformatted class PowerList

1 files changed, 205 insertions, 177 deletions

diff --git a/src/powerlist.cc b/src/powerlist.cc
index b6640e9..f94dbb2 100644
--- a/src/powerlist.cc
+++ b/src/powerlist.cc
@@ -53,216 +53,244 @@
 
 PowerList::PowerList()
 {
-  power_max = 0;
-  power_min = 100000000;
-  lastsample = NULL;
+	power_max = 0;
+	power_min = 100000000;
+	lastsample = nullptr;
 }
 
 #define THRES 1.0
 
-void PowerList::add(Sample *sample)
+void PowerList::add(Sample* sample)
 {
-  PowerListItem item;
-  item.power = -1;
-  item.sample = sample;
+	PowerListItem item;
+	item.power = -1;
+	item.sample = sample;
 
-  samples.push_back(item);
+	samples.push_back(item);
 }
 
-Channel *PowerList::getMasterChannel()
+Channel* PowerList::getMasterChannel()
 {
-  std::map<Channel *, int> count;
-
-  std::vector<PowerListItem>::iterator si = samples.begin();
-  while(si != samples.end()) {
-    PowerListItem &item = *si;
-    Sample *sample = item.sample;
-
-    Channel *max_channel = NULL;
-    sample_t max_val = 0;
-
-    // DEBUG(rand, "Sample: %s\n", sample->name.c_str());
-
-    size_t ci = 0;
-    AudioFiles::iterator ai = sample->audiofiles.begin();
-    while(ai != sample->audiofiles.end()) {
-      Channel *c = ai->first;
-      AudioFile *af = ai->second;
-
-      af->load(SIZE);
-
-      float silence = 0;
-      size_t silence_length = 4;
-      for(size_t s = af->size; s > 0 && s > af->size - silence_length; s--) {
-        silence += af->data[s];
-      }
-      silence /= silence_length;
-
-      size_t s = 0;
-      for(; s < af->size; s++) {
-        float val = af->data[s] * af->data[s] * (1.0 / (float)(s+1));
-        if(val > max_val) {
-          max_val = val;
-          max_channel = c;
-          break;
-        }
-      }
-      
-      af->unload();
-
-      ai++;
-      ci++;
-    }
-
-    if(max_channel) {
-      if(count.find(max_channel) == count.end()) count[max_channel] = 0;
-      count[max_channel]++;
-    }
-
-    si++;
-  }
-
-  Channel *master = NULL;
-  int max_count = -1;
-
-  std::map<Channel *, int>::iterator ci = count.begin();
-  while(ci != count.end()) {
-    if(ci->second > max_count &&
-       strstr(ci->first->name.c_str(), "Alesis") == 0) {
-      master = ci->first;
-      max_count = ci->second;
-    }
-    ci++;
-  }
-
-  return master;
+	std::map<Channel*, int> count;
+
+	std::vector<PowerListItem>::iterator si = samples.begin();
+	while(si != samples.end())
+	{
+		PowerListItem& item = *si;
+		Sample* sample = item.sample;
+
+		Channel* max_channel = nullptr;
+		sample_t max_val = 0;
+
+		// DEBUG(rand, "Sample: %s\n", sample->name.c_str());
+
+		size_t ci = 0;
+		AudioFiles::iterator ai = sample->audiofiles.begin();
+		while(ai != sample->audiofiles.end())
+		{
+			Channel* c = ai->first;
+			AudioFile* af = ai->second;
+
+			af->load(SIZE);
+
+			float silence = 0;
+			size_t silence_length = 4;
+			for(size_t s = af->size; s > 0 && s > af->size - silence_length;
+			    s--)
+			{
+				silence += af->data[s];
+			}
+			silence /= silence_length;
+
+			size_t s = 0;
+			for(; s < af->size; s++)
+			{
+				float val = af->data[s] * af->data[s] * (1.0 / (float)(s + 1));
+				if(val > max_val)
+				{
+					max_val = val;
+					max_channel = c;
+					break;
+				}
+			}
+
+			af->unload();
+
+			ai++;
+			ci++;
+		}
+
+		if(max_channel)
+		{
+			if(count.find(max_channel) == count.end())
+			{
+				count[max_channel] = 0;
+			}
+			count[max_channel]++;
+		}
+
+		si++;
+	}
+
+	Channel* master = nullptr;
+	int max_count = -1;
+
+	std::map<Channel*, int>::iterator ci = count.begin();
+	while(ci != count.end())
+	{
+		if(ci->second > max_count &&
+		    strstr(ci->first->name.c_str(), "Alesis") == 0)
+		{
+			master = ci->first;
+			max_count = ci->second;
+		}
+		ci++;
+	}
+
+	return master;
 }
 
 void PowerList::finalise()
 {
 #ifdef AUTO_CALCULATE_POWER
-  Channel *master_channel = getMasterChannel();
+	Channel* master_channel = getMasterChannel();
 
-  if(master_channel == NULL) {
-    ERR(rand, "No master channel found!\n");
-    return; // This should not happen...
-  }
+	if(master_channel == nullptr)
+	{
+		ERR(rand, "No master channel found!\n");
+		return; // This should not happen...
+	}
 
-  DEBUG(rand, "Master channel: %s\n", master_channel->name.c_str());
-#endif/*AUTO_CALCULATE_POWER*/
+	DEBUG(rand, "Master channel: %s\n", master_channel->name.c_str());
+#endif /*AUTO_CALCULATE_POWER*/
 
-  std::vector<PowerListItem>::iterator si = samples.begin();
-  while(si != samples.end()) {
-    PowerListItem &item = *si;
-    Sample *sample = item.sample;
-
- #ifdef AUTO_CALCULATE_POWER
-   DEBUG(rand, "Sample: %s\n", sample->name.c_str());
-
-    AudioFile *master = NULL;
-
-    AudioFiles::iterator afi = sample->audiofiles.begin();
-    while(afi != sample->audiofiles.end()) {
-      if(afi->first->name == master_channel->name) {
-        master = afi->second;
-        break;
-      }
-      afi++;
-    }
-
-    if(master == NULL) {
-      si++;
-      continue;
-    }
-
-    master->load();
-#endif/*AUTO_CALCULATE_POWER*/
+	std::vector<PowerListItem>::iterator si = samples.begin();
+	while(si != samples.end())
+	{
+		PowerListItem& item = *si;
+		Sample* sample = item.sample;
 
 #ifdef AUTO_CALCULATE_POWER
-    if(sample->power == -1) { // Power not defined. Calculate it!
-      DEBUG(powerlist, "Calculating power\n");
-
-      float power = 0;
-      size_t s = 0;
-      for(; s < SIZE && s < master->size; s++) {
-        power += master->data[s] * master->data[s];
-      }
-    
-      power = sqrt(power);
-
-      sample->power = power;
-    }
-#endif/*AUTO_CALCULATE_POWER*/
-
-    item.power = sample->power;
-
-    if(item.power > power_max) power_max = item.power;
-    if(item.power < power_min) power_min = item.power;
-
-    DEBUG(rand, " - power: %f\n", item.power);
-    
-    si++;
-  }
-}
+		DEBUG(rand, "Sample: %s\n", sample->name.c_str());
+
+		AudioFile* master = nullptr;
+
+		AudioFiles::iterator afi = sample->audiofiles.begin();
+		while(afi != sample->audiofiles.end())
+		{
+			if(afi->first->name == master_channel->name)
+			{
+				master = afi->second;
+				break;
+			}
+			afi++;
+		}
+
+		if(master == nullptr)
+		{
+			si++;
+			continue;
+		}
+
+		master->load();
+#endif /*AUTO_CALCULATE_POWER*/
 
-Sample *PowerList::get(level_t level)
-{
-  int retry = 3; // TODO: This must be user controllable via the UI.
-
-  Sample *sample = NULL;
+#ifdef AUTO_CALCULATE_POWER
+		if(sample->power == -1)
+		{ // Power not defined. Calculate it!
+			DEBUG(powerlist, "Calculating power\n");
 
-  if(!samples.size()) return NULL; // No samples to choose from.
+			float power = 0;
+			size_t s = 0;
+			for(; s < SIZE && s < master->size; s++)
+			{
+				power += master->data[s] * master->data[s];
+			}
 
-  float power_span = power_max - power_min;
+			power = sqrt(power);
 
-  // Width is limited to at least 10. Fioxes problem with instrument with a
-  //  sample set smaller than MIN_SAMPLE_SET_SIZE.
-  float width = fmax(samples.size(), MIN_SAMPLE_SET_SIZE);
+			sample->power = power;
+		}
+#endif /*AUTO_CALCULATE_POWER*/
 
-  // Spread out at most ~2 samples away from center if all samples have a
-  // uniform distribution over the power spectrum (which they probably don't).
-  float stddev = power_span / width;
+		item.power = sample->power;
 
-  // Cut off mean value with stddev/2 in both ends in order to make room for
-  //  downwards expansion on velocity 0 and upwards expansion on velocity 1.
-  float mean = level * (power_span - stddev) + (stddev / 2.0);
+		if(item.power > power_max)
+			power_max = item.power;
+		if(item.power < power_min)
+			power_min = item.power;
 
-again:
-  // Select normal distributed value between
-  //  (stddev/2) and (power_span-stddev/2)
-  float lvl = rand.normalDistribution(mean, stddev);
+		DEBUG(rand, " - power: %f\n", item.power);
 
-  // Adjust this value to be in range
-  //  (power_min+stddev/2) and (power_max-stddev/2)
-  lvl += power_min;
+		si++;
+	}
+}
 
-  DEBUG(rand, "level: %f, lvl: %f (mean: %.2f, stddev: %.2f)\n",
-        level, lvl, mean, stddev);
+Sample* PowerList::get(level_t level)
+{
+	int retry = 3; // TODO: This must be user controllable via the UI.
 
-  float power = 0;
-  std::vector<PowerListItem>::iterator i = samples.begin();
-  while(i != samples.end()) {
-    if(sample == NULL) {
-      sample = i->sample;
-      power = i->power;
-    }
+	Sample* sample = nullptr;
 
-    if(fabs(i->power - lvl) < fabs(power - lvl)) {
-      sample = i->sample;
-      power = i->power;
-    }
+	if(!samples.size())
+	{
+		return nullptr; // No samples to choose from.
+	}
 
-    i++;
-  }
+	float power_span = power_max - power_min;
 
-  if(lastsample == sample && retry--) {
-    DEBUG(rand, "Retry [%d retries left]", retry);
-    goto again;
-  }
+	// Width is limited to at least 10. Fioxes problem with instrument with a
+	//  sample set smaller than MIN_SAMPLE_SET_SIZE.
+	float width = fmax(samples.size(), MIN_SAMPLE_SET_SIZE);
 
-  DEBUG(rand, "Found sample with power %f\n", power);
+	// Spread out at most ~2 samples away from center if all samples have a
+	// uniform distribution over the power spectrum (which they probably don't).
+	float stddev = power_span / width;
 
-  lastsample = sample;
+	// Cut off mean value with stddev/2 in both ends in order to make room for
+	//  downwards expansion on velocity 0 and upwards expansion on velocity 1.
+	float mean = level * (power_span - stddev) + (stddev / 2.0);
 
-  return sample;
+again:
+	// Select normal distributed value between
+	//  (stddev/2) and (power_span-stddev/2)
+	float lvl = rand.normalDistribution(mean, stddev);
+
+	// Adjust this value to be in range
+	//  (power_min+stddev/2) and (power_max-stddev/2)
+	lvl += power_min;
+
+	DEBUG(rand, "level: %f, lvl: %f (mean: %.2f, stddev: %.2f)\n", level, lvl,
+	    mean, stddev);
+
+	float power = 0;
+	std::vector<PowerListItem>::iterator i = samples.begin();
+	while(i != samples.end())
+	{
+		if(sample == nullptr)
+		{
+			sample = i->sample;
+			power = i->power;
+		}
+
+		if(fabs(i->power - lvl) < fabs(power - lvl))
+		{
+			sample = i->sample;
+			power = i->power;
+		}
+
+		i++;
+	}
+
+	if(lastsample == sample && retry--)
+	{
+		DEBUG(rand, "Retry [%d retries left]", retry);
+		goto again;
+	}
+
+	DEBUG(rand, "Found sample with power %f\n", power);
+
+	lastsample = sample;
+
+	return sample;
 }