chore: import upstream snapshot with attribution

2026-07-13 12:06:04 +08:00
commit 86c9b1c39f
7743 changed files with 3316339 additions and 0 deletions
@@ -0,0 +1,88 @@
+// 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.
+
+#include "test_precomp.hpp"
+
+using namespace std;
+
+namespace opencv_test { namespace {
+
+struct VideoCaptureAPITests: TestWithParam<cv::VideoCaptureAPIs>
+{
+    void SetUp()
+    {
+        cv::VideoCaptureAPIs api = GetParam();
+        if (!videoio_registry::hasBackend(api))
+            throw SkipTestException("backend " + std::to_string(int(api)) + " was not found");
+
+        string video_file = string(cvtest::TS::ptr()->get_data_path()) + "video/rotated_metadata.mp4";
+
+        EXPECT_NO_THROW(cap.open(video_file, api));
+        ASSERT_TRUE(cap.isOpened()) << "Can't open the video: " << video_file << " with backend " << api << std::endl;
+    }
+
+    void tearDown()
+    {
+        cap.release();
+    }
+
+    void orientationCheck(double angle, int width, int height)
+    {
+        EXPECT_EQ(angle, cap.get(CAP_PROP_ORIENTATION_META));
+        EXPECT_EQ(width, (int)cap.get(CAP_PROP_FRAME_WIDTH));
+        EXPECT_EQ(height, (int)cap.get(CAP_PROP_FRAME_HEIGHT));
+
+        Mat frame;
+        cap >> frame;
+
+        ASSERT_EQ(width, frame.cols);
+        ASSERT_EQ(height, frame.rows);
+    }
+
+    VideoCapture cap;
+};
+
+// Related issues:
+// - https://github.com/opencv/opencv/issues/26795
+// - https://github.com/opencv/opencv/issues/15499
+TEST_P(VideoCaptureAPITests, mp4_orientation_default_auto)
+{
+    EXPECT_TRUE(cap.get(CAP_PROP_ORIENTATION_AUTO));
+    orientationCheck(90., 270, 480);
+}
+
+TEST_P(VideoCaptureAPITests, mp4_orientation_forced)
+{
+    EXPECT_TRUE(cap.set(CAP_PROP_ORIENTATION_AUTO, false));
+    orientationCheck(90., 480, 270);
+}
+
+TEST_P(VideoCaptureAPITests, mp4_orientation_switch)
+{
+    SCOPED_TRACE("Initial orientation with autorotation");
+    orientationCheck(90., 270, 480);
+    SCOPED_TRACE("Disabled autorotation");
+    EXPECT_TRUE(cap.set(CAP_PROP_ORIENTATION_AUTO, false));
+    EXPECT_FALSE(cap.get(CAP_PROP_ORIENTATION_AUTO));
+    orientationCheck(90., 480, 270);
+}
+
+
+static cv::VideoCaptureAPIs supported_backends[] = {
+#ifdef HAVE_AVFOUNDATION
+    CAP_AVFOUNDATION,
+#endif
+    CAP_FFMPEG
+};
+
+inline static std::string VideoCaptureAPITests_name_printer(const testing::TestParamInfo<VideoCaptureAPITests::ParamType>& info)
+{
+    std::ostringstream out;
+    out << getBackendNameSafe(info.param);
+    return out.str();
+}
+
+INSTANTIATE_TEST_CASE_P(videoio, VideoCaptureAPITests, testing::ValuesIn(supported_backends), VideoCaptureAPITests_name_printer);
+
+}} // namespace