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Add loudness histogram Feature to the EBUr128 VAMP plugin

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This commit is contained in:
Robin Gareus
2016-02-10 15:08:44 +01:00
parent 6c8a062be9
commit e41296bf5d
2 changed files with 35 additions and 9 deletions
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25
libs/vamp-plugins/EBUr128.cpp
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@@ -111,7 +111,7 @@ VampEBUr128::getOutputDescriptors() const
OutputDescriptor zc;
zc.identifier = "loundless";
zc.name = "Integrated loudness";
zc.description = "Integrated loudness";
zc.description = "Integrated Loudness";
zc.unit = "LUFS";
zc.hasFixedBinCount = true;
zc.binCount = 0;
@@ -121,8 +121,8 @@ VampEBUr128::getOutputDescriptors() const
list.push_back(zc);
zc.identifier = "range";
zc.name = "Integrated loudness Range";
zc.description = "Dynamic Range of the audio";
zc.name = "Integrated Loudness Range";
zc.description = "Dynamic Range of the Audio";
zc.unit = "LU";
zc.hasFixedBinCount = true;
zc.binCount = 0;
@@ -131,6 +131,17 @@ VampEBUr128::getOutputDescriptors() const
zc.sampleType = OutputDescriptor::OneSamplePerStep;
list.push_back(zc);
zc.identifier = "histogram";
zc.name = "Loudness Histogram";
zc.description = "Dynamic Range of the audio";
zc.unit = "";
zc.hasFixedBinCount = false;
zc.binCount = 0;
zc.hasKnownExtents = false;
zc.isQuantized = false;
zc.sampleType = OutputDescriptor::OneSamplePerStep;
list.push_back(zc);
return list;
}
@@ -166,5 +177,13 @@ VampEBUr128::getRemainingFeatures()
range.values.push_back(ebu.range_max () - ebu.range_min ());
returnFeatures[1].push_back(range);
Feature hist;
hist.hasTimestamp = false;
const int * hist_M = ebu.histogram_M();
for (int i = 110; i < 650; ++i) {
hist.values.push_back(hist_M[i]);
}
returnFeatures[2].push_back(hist);
return returnFeatures;
}