videoio: naming MFX tests

Author: mshabunin

modules/videoio/test/test_mfx.cpp

@@ -144,10 +144,20 @@ TEST_P(videoio_mfx, read_write_raw)
     remove(filename.c_str());
 }
 
+inline static std::string videoio_mfx_name_printer(const testing::TestParamInfo<videoio_mfx::ParamType>& info)
+{
+    std::ostringstream out;
+    const Size sz = get<0>(info.param);
+    const std::string ext = get<2>(info.param);
+    out << sz.width << "x" << sz.height << "x" << get<1>(info.param) << "x" << ext.substr(1, ext.size() - 1);
+    return out.str();
+}
+
 INSTANTIATE_TEST_CASE_P(videoio, videoio_mfx,
                         testing::Combine(
                             testing::Values(Size(640, 480), Size(638, 478), Size(636, 476), Size(1920, 1080)),
                             testing::Values(1, 30, 100),
-                            testing::Values(".mpeg2", ".264", ".265")));
+                            testing::Values(".mpeg2", ".264", ".265")),
+                        videoio_mfx_name_printer);
 
 }} // namespace

modules/videoio/test/test_precomp.hpp

@@ -4,6 +4,8 @@
 #ifndef __OPENCV_TEST_PRECOMP_HPP__
 #define __OPENCV_TEST_PRECOMP_HPP__
 
+#include <sstream>
+
 #include "opencv2/ts.hpp"
 #include "opencv2/videoio.hpp"
 #include "opencv2/videoio/registry.hpp"