Add helper method to set decimation

Summary: Simple time base decimation is too complex to set. This helper will help... Reviewed By: kiminoue7 Differential Revision: D51460326 fbshipit-source-id: d9fa723b7c0f729c8f8a093bcb27e935ed9c1255
facebookresearch · Nov 21, 2023 · d4fb0bb · d4fb0bb
1 parent d6cd470
commit d4fb0bb
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diff --git a/vrs/utils/FilteredFileReader.cpp b/vrs/utils/FilteredFileReader.cpp
@@ -276,6 +276,12 @@ void FilteredFileReader::constrainTimeRange(double& inOutStartTimestamp, double&
   }
 }
 
+void FilteredFileReader::decimateByInterval(double minIntervalSec) {
+  utils::DecimationParams params;
+  params.bucketInterval = minIntervalSec;
+  decimator_ = make_unique<utils::Decimator>(*this, params);
+}
+
 void FilteredFileReader::getConstrainedTimeRange(
     double& outStartTimestamp,
     double& outEndTimestamp) {

diff --git a/vrs/utils/FilteredFileReader.h b/vrs/utils/FilteredFileReader.h
@@ -173,6 +173,9 @@ struct FilteredFileReader {
   // Constrain the given time range to the current filter's time constraints
   void constrainTimeRange(double& inOutStartTimestamp, double& inOutEndTimestamp) const;
 
+  // Decimate data record with a minimum time interval
+  void decimateByInterval(double minIntervalSec);
+
   // Apply filters, which can only be done after the file was opened already
   void applyFilters(const RecordFilterParams& filters);
   void applyRecordableFilters(const vector<string>& filter);