videoscale: Add test for transform_meta function

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1630>

diff --git a/subprojects/gst-plugins-base/tests/check/elements/videoscale.c b/subprojects/gst-plugins-base/tests/check/elements/videoscale.c
index e3386d8..4a1b400 100644 (file)
--- a/subprojects/gst-plugins-base/tests/check/elements/videoscale.c
+++ b/subprojects/gst-plugins-base/tests/check/elements/videoscale.c
@@ -966,6 +966,46 @@ GST_START_TEST (test_basetransform_negotiation)
 
 GST_END_TEST;
 
+GST_START_TEST (test_transform_meta)
+{
+  GstHarness *h;
+  GstBuffer *buffer;
+  const guint8 data[16] = { 0 };
+  GstCaps *caps;
+  GstVideoRegionOfInterestMeta *roi_meta;
+
+  h = gst_harness_new ("videoscale");
+
+  buffer = gst_buffer_new_allocate (NULL, sizeof (data), NULL);
+  gst_buffer_fill (buffer, 0, data, sizeof (data));
+
+  caps = gst_caps_new_empty_simple ("timestamp/test");
+  gst_buffer_add_video_region_of_interest_meta (buffer, "face", 0, 1, 2, 3);
+
+  gst_harness_set_sink_caps_str (h,
+      "video/x-raw,width=8,height=8,format=GRAY8");
+  gst_harness_set_src_caps_str (h, "video/x-raw,width=4,height=4,format=GRAY8");
+  fail_unless_equals_int (gst_harness_push (h, buffer), GST_FLOW_OK);
+
+  buffer = gst_harness_pull (h);
+  fail_unless_equals_int (gst_buffer_get_n_meta (buffer,
+          GST_VIDEO_REGION_OF_INTEREST_META_API_TYPE), 1);
+
+  roi_meta = gst_buffer_get_video_region_of_interest_meta_id (buffer, 0);
+  fail_unless (roi_meta != NULL);
+  fail_unless_equals_int (roi_meta->roi_type, g_quark_from_string ("face"));
+  fail_unless_equals_int (roi_meta->x, 0);
+  fail_unless_equals_int (roi_meta->y, 2);
+  fail_unless_equals_int (roi_meta->w, 4);
+  fail_unless_equals_int (roi_meta->h, 6);
+
+  gst_buffer_unref (buffer);
+  gst_caps_unref (caps);
+  gst_harness_teardown (h);
+}
+
+GST_END_TEST;
+
 #endif /* !defined(VSCALE_TEST_GROUP) */
 
 static Suite *
@@ -988,6 +1028,7 @@ videoscale_suite (void)
   tcase_add_test (tc_chain, test_reverse_negotiation);
 #endif
   tcase_add_test (tc_chain, test_basetransform_negotiation);
+  tcase_add_test (tc_chain, test_transform_meta);
 #else
 #if VSCALE_TEST_GROUP == 1
   tcase_add_test (tc_chain, test_downscale_640x480_320x240_method_0);