diff options
Diffstat (limited to 'rotord/src/nodes_audio_analysis.cpp')
| -rw-r--r-- | rotord/src/nodes_audio_analysis.cpp | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/rotord/src/nodes_audio_analysis.cpp b/rotord/src/nodes_audio_analysis.cpp index 6ec1188..ad6f5ad 100644 --- a/rotord/src/nodes_audio_analysis.cpp +++ b/rotord/src/nodes_audio_analysis.cpp @@ -178,9 +178,29 @@ namespace Rotor{ } //sort and convert to features std::sort(totals.begin(),totals.end(),sortsegments); + vector<float> bucketoffsets; + for (auto t:totals) bucketoffsets.push_back(0.0f); + if (parameters["levels"]->value>0.0f&¶meters["levels"]->value<totals.size()){ + //use bucketoffsets to redistribute into smaller number of buckets + int numbertoredistribute=totals.size()-((int)parameters["levels"]->value); + int numberperbin=ceil((float)numbertoredistribute/totals.size()); + int added=0; + for (int j=0;j<numbertoredistribute-numberperbin;j+=numberperbin){ + int numbertoadd=min(numbertoredistribute-added,numberperbin); + bucketoffsets[j]=numbertoadd; + added+=numbertoadd; + } + if (numbertoredistribute>0) { + cerr<<"reducing number of levels by "<<numbertoredistribute<<", offsets:"<<endl; + for (auto o:bucketoffsets) { + cerr<<o<<":"; + } + cerr<<endl; + } + } for (i=0;i<totals.size();i++){ vampHost::feature f; - f.values.push_back((float)i); + f.values.push_back((float)i+bucketoffsets[i]); features[times[totals[i].first]]=f; } } |