vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

2026-08-22 00:10:33 +08:00
commit f7f077da11
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+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+
+namespace opencv_test {
+
+//#define DEBUG_BGFG
+
+using namespace testing;
+using namespace cvtest;
+using namespace perf;
+
+namespace {
+
+using namespace cv;
+
+static void cvtFrameFmt(std::vector<Mat>& input, std::vector<Mat>& output)
+{
+    for(int i = 0; i< (int)(input.size()); i++)
+    {
+        cvtColor(input[i], output[i], COLOR_RGB2GRAY);
+    }
+}
+
+static void prepareData(VideoCapture& cap, int cn, std::vector<Mat>& frame_buffer, int skipFrames = 0)
+{
+    std::vector<Mat> frame_buffer_init;
+    int nFrame = (int)frame_buffer.size();
+    for (int i = 0; i < skipFrames; i++)
+    {
+        cv::Mat frame;
+        cap >> frame;
+    }
+    for (int i = 0; i < nFrame; i++)
+    {
+        cv::Mat frame;
+        cap >> frame;
+        ASSERT_FALSE(frame.empty());
+        frame_buffer_init.push_back(frame);
+    }
+
+    if (cn == 1)
+        cvtFrameFmt(frame_buffer_init, frame_buffer);
+    else
+        frame_buffer.swap(frame_buffer_init);
+}
+
+}}