From a9f3a7de398b93b9c31c204d351aac012a48c901 Mon Sep 17 00:00:00 2001
From: Tomoaki Teshima <tomoaki.teshima@gmail.com>
Date: Mon, 5 Mar 2018 19:27:49 +0900
Subject: [PATCH] add workaround of old gstreamer

---
 modules/videoio/test/test_video_io.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/videoio/test/test_video_io.cpp b/modules/videoio/test/test_video_io.cpp
index ef44aae266..20da25fe0f 100644
--- a/modules/videoio/test/test_video_io.cpp
+++ b/modules/videoio/test/test_video_io.cpp
@@ -112,6 +112,13 @@ public:
 
         {
             SCOPED_TRACE("consecutive read");
+            if (apiPref == CAP_GSTREAMER)
+            {
+                // This workaround is for GStreamer 1.3.1.1 and older.
+                // Old Gstreamer has a bug which handles the total duration 1 frame shorter
+                // Old Gstreamer are used in Ubuntu 14.04, so the following code could be removed after it's EOL
+                n_frames--;
+            }
             for (int k = 0; k < n_frames; ++k)
             {
                 checkFrameRead(k, cap);