read in gray scale mode when writing a gray scale video

tomoaki0705 · tomoaki0705 · commit bcce25900b7a · 2018-02-19T18:33:05.000+09:00
diff --git a/modules/videoio/perf/perf_output.cpp b/modules/videoio/perf/perf_output.cpp
@@ -28,7 +28,7 @@ PERF_TEST_P(VideoWriter_Writing, WriteFrame,
 {
   const string filename = getDataPath(get<0>(GetParam()));
   const bool isColor = get<1>(GetParam());
-  Mat image = imread(filename, 1);
+  Mat image = imread(filename, isColor ? IMREAD_COLOR : IMREAD_GRAYSCALE );
 #if defined(HAVE_MSMF) && !defined(HAVE_VFW) && !defined(HAVE_FFMPEG) // VFW has greater priority
   const string outfile = cv::tempfile(".wmv");
   const int fourcc = VideoWriter::fourcc('W', 'M', 'V', '3');

Original file line number	Diff line number	Diff line change
`@@ -28,7 +28,7 @@ PERF_TEST_P(VideoWriter_Writing, WriteFrame,`
`28`	`28`	`{`
`29`	`29`	`const string filename = getDataPath(get<0>(GetParam()));`
`30`	`30`	`const bool isColor = get<1>(GetParam());`
`31`		`- Mat image = imread(filename, 1);`
	`31`	`+ Mat image = imread(filename, isColor ? IMREAD_COLOR : IMREAD_GRAYSCALE );`
`32`	`32`	`#if defined(HAVE_MSMF) && !defined(HAVE_VFW) && !defined(HAVE_FFMPEG) // VFW has greater priority`
`33`	`33`	`const string outfile = cv::tempfile(".wmv");`
`34`	`34`	`const int fourcc = VideoWriter::fourcc('W', 'M', 'V', '3');`