From e381a5cda15416c767804f7d875aae0d36230a4c Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Fri, 13 Dec 2013 16:46:43 +0000
Subject: intensity similarity segmenter

---
 rotord/src/nodes_audio_analysis.cpp | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

(limited to 'rotord')

diff --git a/rotord/src/nodes_audio_analysis.cpp b/rotord/src/nodes_audio_analysis.cpp
index 7efb0f8..11598f4 100644
--- a/rotord/src/nodes_audio_analysis.cpp
+++ b/rotord/src/nodes_audio_analysis.cpp
@@ -160,6 +160,7 @@ namespace Rotor{
 			}
 			i++;
 		}
+		/*
 		for (auto s:similarities) {
 			string list="";
 			for (int j=0;j<s.second.size();j++){
@@ -168,6 +169,7 @@ namespace Rotor{
 			}
 			cerr<<"group "<<s.first<<" ["<<list<<"]"<<endl;
 		}
+		*/
 
 		cerr<<analysers["segmenter"].features.size()<<" segments"<<endl;
 		cerr<<analysers["tempo"].features.size()<<" tempo features"<<endl;
@@ -216,7 +218,7 @@ namespace Rotor{
 			if (intensity<min_intensity) min_intensity=intensity;
 			intensities.push_back(intensity);
 
-			cerr<<"segment "<<i<<": "<<f->first<<" to "<<g->first<<" average tempo: "<<tempo<<" ,intensity: "<<intensity<<" ,weighted: "<<(tempo*parameters["tempo_weight"]->value)+(intensity*parameters["intensity_weight"]->value)<<endl;
+			//cerr<<"segment "<<i<<": "<<f->first<<" to "<<g->first<<" average tempo: "<<tempo<<" ,intensity: "<<intensity<<" ,weighted: "<<(tempo*parameters["tempo_weight"]->value)+(intensity*parameters["intensity_weight"]->value)<<endl;
 		}
 		//
 		//
@@ -325,8 +327,9 @@ nned to retrieve total intensity by segment
 			seggrps.push_back(oldgrps[s.second[0]]);
 		}
 
-		cerr<<"similarities assigned, "<<(totalsmap.size()-seggrps.size())<<" segments merged"<<endl;
+		//cerr<<"similarities assigned, "<<(totalsmap.size()-seggrps.size())<<" segments merged"<<endl;
 		
+		/*
 		i=0;
 		for (auto s:seggrps) {
 			string list="";
@@ -337,11 +340,13 @@ nned to retrieve total intensity by segment
 			cerr<<"segment "<<i<<" ["<<list<<"]"<<endl;
 			i++;
 		}
+		*/
 		//sort the contents by intensity
 		std::sort(seggrps.begin(),seggrps.end(),sortseggrps);
-		cerr<<"groups sorted by intensity:"<<endl;
+		//cerr<<"groups sorted by intensity:"<<endl;
 		//possible mergers will be with groups with adjacent intensity
 		i=0;
+		/*
 		for (auto s:seggrps) {
 			string list="";
 			for (int j=0;j<s.second.size();j++){
@@ -351,6 +356,7 @@ nned to retrieve total intensity by segment
 			cerr<<"segment "<<i<<" ["<<list<<"]"<<endl;
 			i++;
 		}
+		*/
 
 		if (((int)parameters["levels"]->value)>0) {
 			if (seggrps.size()>(int)parameters["levels"]->value){
@@ -363,7 +369,7 @@ nned to retrieve total intensity by segment
 					for (int j=1;j<diffs.size();j++) if (diffs[j]<diffs[smallest]) smallest=j;
 					for (int j=0;j<seggrps[smallest].second.size();j++) {
 						seggrps[smallest+1].second.push_back(seggrps[smallest].second[j]);
-						cerr<<"copied segment "<<(seggrps[smallest].second[j].second)<<" from group "<<smallest<<" to group "<<(smallest+1)<<endl;
+						//cerr<<"copied segment "<<(seggrps[smallest].second[j].second)<<" from group "<<smallest<<" to group "<<(smallest+1)<<endl;
 					}
 					//recalculate intensity average
 					double avg=0.0f;
@@ -372,7 +378,7 @@ nned to retrieve total intensity by segment
 					seggrps[smallest+1].first=avg;
 
 					seggrps.erase(seggrps.begin()+smallest);
-					cerr<<"removed group "<<smallest<<endl;
+					//cerr<<"removed group "<<smallest<<endl;
 				}
 				cerr<<"intensities merged, "<<seggrps.size()<<" levels remain"<<endl;
 			}
@@ -403,7 +409,7 @@ nned to retrieve total intensity by segment
 					std::sort(seggrps[largest].second.begin(),seggrps[largest].second.end(),sortgroupmembers);
 					//create a new group
 					std::pair<double,vector<pair<double,int> > > newgroup;
-					cerr<<"splitting group "<<largest<<" with "<<seggrps[largest].second.size()<<" segments: new group will have "<<seggrps[largest].second.size()-(seggrps[largest].second.size()/2)<<" segments"<<endl;
+					//cerr<<"splitting group "<<largest<<" with "<<seggrps[largest].second.size()<<" segments: new group will have "<<seggrps[largest].second.size()-(seggrps[largest].second.size()/2)<<" segments"<<endl;
 					for (int j=seggrps[largest].second.size()-1;j>(seggrps[largest].second.size()/2)-1;j--) {
 						newgroup.second.push_back(seggrps[largest].second[j]);
 						seggrps[largest].second.erase(seggrps[largest].second.begin()+j);
@@ -422,7 +428,7 @@ nned to retrieve total intensity by segment
 
 					//add the new group
 					seggrps.push_back(newgroup);
-					cerr<<" added new group with "<<newgroup.second.size()<<" segments"<<endl;
+					//cerr<<" added new group with "<<newgroup.second.size()<<" segments"<<endl;
 				}
 				cerr<<"similaritity groups split, "<<seggrps.size()<<" levels total"<<endl;
 				//seggrps are now out of order
@@ -440,7 +446,7 @@ nned to retrieve total intensity by segment
 				if (k>0) list+=",";
 				list +=toString(seggrps[j].second[k].second);
 			}
-			cerr<<"output value: "<<j<<" assigned to ["<<list<<"]"<<endl;
+			//cerr<<"output value: "<<j<<" assigned to ["<<list<<"]"<<endl;
 		}
 
 
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