X-Git-Url: https://git.ao2.it/experiments/opencv_trail_effect.git/blobdiff_plain/21adbf9205a5c28a036ddd2373d85a9662e9b7fc..3128c1a723398a114335437d899dd459b1c5b97c:/opencv_trail_effect.cpp?ds=sidebyside

diff --git a/opencv_trail_effect.cpp b/opencv_trail_effect.cpp
index bc5b187..98e3aed 100644
--- a/opencv_trail_effect.cpp
+++ b/opencv_trail_effect.cpp
@@ -131,7 +131,14 @@ int main(int argc, char *argv[])
 	if (!input_file.empty()) {
 		inputVideo.open(input_file);
 	} else {
+#ifdef __linux__
+		// XXX Hardcode the V4L2 backend on linux for now because the
+		// GStreamer one lacks some functionality, see:
+		// https://github.com/opencv/opencv/issues/18562
+		inputVideo.open(0, cv::CAP_V4L2);
+#else
 		inputVideo.open(0);
+#endif
 	}
 
 	if (!inputVideo.isOpened()) {
@@ -190,6 +197,8 @@ int main(int argc, char *argv[])
 	}
 
 	cv::namedWindow("Frame", cv::WINDOW_NORMAL);
+	cv::resizeWindow("Frame", frame_size);
+	cv::setWindowTitle("Frame", "OpenCV Trail Effect");
 
 	for (;;) {
 		inputVideo >> input_frame;