diff --git a/3rdparty/ffmpeg/ffmpeg.cmake b/3rdparty/ffmpeg/ffmpeg.cmake
index 5414b8f29e..2c04672bbb 100644
--- a/3rdparty/ffmpeg/ffmpeg.cmake
+++ b/3rdparty/ffmpeg/ffmpeg.cmake
@@ -1,9 +1,9 @@
-# Binaries branch name: ffmpeg/master_20180220
-# Binaries were created for OpenCV: 9819ebc0954c2df62943ebbd5936d325e5dc89e1
-ocv_update(FFMPEG_BINARIES_COMMIT "0a0e88972a7ea97708378d0488a65f83e7cc5e69")
-ocv_update(FFMPEG_FILE_HASH_BIN32 "b8120c07962d591e2e9071a1bf566fd0")
-ocv_update(FFMPEG_FILE_HASH_BIN64 "dc9c50e7b05482acc25d6ce0ac61bf1d")
-ocv_update(FFMPEG_FILE_HASH_CMAKE "3b90f67f4b429e77d3da36698cef700c")
+# Binaries branch name: ffmpeg/master_20180918
+# Binaries were created for OpenCV: e628fd7bce2b5d64c36b5bdc55a37c0ae78bc907
+ocv_update(FFMPEG_BINARIES_COMMIT "c88df798e9dc3d63840f913714563a730245464a")
+ocv_update(FFMPEG_FILE_HASH_BIN32 "48c95ce37d5aa6b15b3ad116e331ebc1")
+ocv_update(FFMPEG_FILE_HASH_BIN64 "d33eca57ae1cfd6287b975b98125f7a3")
+ocv_update(FFMPEG_FILE_HASH_CMAKE "5fd49e1b84e9f402ca155e27c92d2ce9")
 
 function(download_win_ffmpeg script_var)
   set(${script_var} "" PARENT_SCOPE)
diff --git a/modules/ts/include/opencv2/ts/ts_ext.hpp b/modules/ts/include/opencv2/ts/ts_ext.hpp
index 265db94123..863978bd56 100644
--- a/modules/ts/include/opencv2/ts/ts_ext.hpp
+++ b/modules/ts/include/opencv2/ts/ts_ext.hpp
@@ -24,10 +24,13 @@ extern int testThreads;
 
 #define CV__TEST_INIT \
     CV__TEST_NAMESPACE_CHECK \
+    fflush(stdout); fflush(stderr); \
     cv::ipp::setIppStatus(0); \
     cv::theRNG().state = cvtest::param_seed; \
     cv::setNumThreads(cvtest::testThreads);
-#define CV__TEST_CLEANUP ::cvtest::checkIppStatus();
+#define CV__TEST_CLEANUP \
+    fflush(stdout); fflush(stderr); \
+    ::cvtest::checkIppStatus();
 #define CV__TEST_BODY_IMPL(name) \
     { \
        CV__TRACE_APP_FUNCTION_NAME(name); \
diff --git a/modules/videoio/test/test_ffmpeg.cpp b/modules/videoio/test/test_ffmpeg.cpp
index e9e5e9aca1..0bbab69fb8 100644
--- a/modules/videoio/test/test_ffmpeg.cpp
+++ b/modules/videoio/test/test_ffmpeg.cpp
@@ -164,6 +164,8 @@ public:
                     }
                     else
                     {
+                        printf("Case: '%s' (frame size %dx%d fps=%g). FileSize=%lld bytes\n",
+                               s.c_str(), frame_s.width, frame_s.height, fps, (long long int)sz);
                         if (sz < 8192)
                         {
                             fprintf(stderr, "ERROR: File name: %s is very small (data write problems?)\n", filename.c_str());