Fixed incorrect first window setting for fluid FilterAgent

ffaf4d5d · Ruslan Garnov · fb326a35 · ffaf4d5d
Commit ffaf4d5d authored Apr 26, 2019 by Ruslan Garnov
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gfluidbackend.cpp modules/gapi/src/backends/fluid/gfluidbackend.cpp +2 -1

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--- a/modules/gapi/src/backends/fluid/gfluidbackend.cpp
+++ b/modules/gapi/src/backends/fluid/gfluidbackend.cpp
@@ -371,7 +371,8 @@ std::pair<int,int> cv::gimpl::FluidUpscaleMapper::linesReadAndNextWindow(int out
 int cv::gimpl::FluidFilterAgent::firstWindow(std::size_t) const
 {
-    return k.m_window + k.m_lpi - 1;
+    int lpi = std::min(k.m_lpi, m_outputLines - m_producedLines);
+    return k.m_window + lpi - 1;
 }
 std::pair<int,int> cv::gimpl::FluidFilterAgent::linesReadAndnextWindow(std::size_t) const