fixed gpu perf tests (VideoCapture reopen)

diff --git a/modules/gpu/perf/perf_video.cpp b/modules/gpu/perf/perf_video.cpp
index 7a64034..bc6fe5d 100644 (file)
--- a/modules/gpu/perf/perf_video.cpp
+++ b/modules/gpu/perf/perf_video.cpp
@@ -777,6 +777,7 @@ PERF_TEST_P(Video_Cn_MaxFeatures, Video_GMG, Combine(Values("gpu/video/768x576.a
             cap >> frame;\r
             if (frame.empty())\r
             {\r
+                cap.release();\r
                 cap.open(inputFile);\r
                 cap >> frame;\r
             }\r
@@ -814,6 +815,7 @@ PERF_TEST_P(Video_Cn_MaxFeatures, Video_GMG, Combine(Values("gpu/video/768x576.a
             cap >> frame;\r
             if (frame.empty())\r
             {\r
+                cap.release();\r
                 cap.open(inputFile);\r
                 cap >> frame;\r
             }\r