tests/capsfilter: Test caps-related queries and property

1 files changed, 155 insertions, 0 deletions

diff --git a/tests/check/elements/capsfilter.c b/tests/check/elements/capsfilter.c
index 3e1d0e2aa..6d4d48e1e 100644
--- a/tests/check/elements/capsfilter.c
+++ b/tests/check/elements/capsfilter.c
@@ -78,6 +78,158 @@ GST_START_TEST (test_unfixed_downstream_caps)
 
 GST_END_TEST;
 
+GST_START_TEST (test_caps_property)
+{
+  GstElement *filter;
+  GstCaps *filter_caps;
+  const gchar *caps_str;
+  gchar *str;
+
+  filter = gst_check_setup_element ("capsfilter");
+
+  /* verify that the set caps are actually set */
+  caps_str = "audio/x-raw, rate=(int)44100, channels=(int)1";
+
+  filter_caps = gst_caps_from_string (caps_str);
+  fail_unless (GST_IS_CAPS (filter_caps));
+  g_object_set (filter, "caps", filter_caps, NULL);
+  gst_caps_unref (filter_caps);
+
+  g_object_get (filter, "caps", &filter_caps, NULL);
+  str = gst_caps_to_string (filter_caps);
+  fail_unless (g_strcmp0 (str, caps_str) == 0);
+  gst_caps_unref (filter_caps);
+
+  /* verify that new caps set replace the old ones */
+  caps_str = "video/x-raw, width=(int)320, height=(int)240";
+
+  filter_caps = gst_caps_from_string (caps_str);
+  fail_unless (GST_IS_CAPS (filter_caps));
+  g_object_set (filter, "caps", filter_caps, NULL);
+  gst_caps_unref (filter_caps);
+
+  g_object_get (filter, "caps", &filter_caps, NULL);
+  str = gst_caps_to_string (filter_caps);
+  fail_unless (g_strcmp0 (str, caps_str) == 0);
+  gst_caps_unref (filter_caps);
+
+  /* make sure that NULL caps is interpreted as ANY */
+  g_object_set (filter, "caps", NULL, NULL);
+
+  g_object_get (filter, "caps", &filter_caps, NULL);
+  fail_unless (gst_caps_is_any (filter_caps));
+  gst_caps_unref (filter_caps);
+
+  gst_object_unref (filter);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_caps_query)
+{
+  GstElement *filter;
+  GstCaps *filter_caps;
+  const gchar *caps_str;
+  GstQuery *query;
+  GstCaps *caps;
+
+  filter = gst_check_setup_element ("capsfilter");
+
+  /* set some caps, do a caps query with a filter resulting in no
+   * intersecting caps */
+  caps_str = "audio/x-raw, rate=(int)44100, channels=(int)1";
+
+  filter_caps = gst_caps_from_string (caps_str);
+  fail_unless (GST_IS_CAPS (filter_caps));
+  g_object_set (filter, "caps", filter_caps, NULL);
+  gst_caps_unref (filter_caps);
+
+  caps_str = "video/x-raw, width=(int)320, height=(int)240";
+  filter_caps = gst_caps_from_string (caps_str);
+  query = gst_query_new_caps (filter_caps);
+  gst_caps_unref (filter_caps);
+  fail_unless (gst_element_query (filter, query));
+  gst_query_parse_caps_result (query, &caps);
+  fail_unless (gst_caps_is_empty (caps));
+  gst_query_unref (query);
+
+  gst_object_unref (filter);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_accept_caps_query)
+{
+  GstElement *filter;
+  GstCaps *filter_caps;
+  const gchar *caps_str;
+  GstQuery *query;
+  gboolean accepted;
+  GstPad *sinkpad;
+  GstPad *srcpad;
+
+  filter = gst_check_setup_element ("capsfilter");
+
+  /* set some caps on (both pads of) the capsfilter */
+  caps_str = "audio/x-raw, rate=(int)44100, channels=(int)1";
+
+  filter_caps = gst_caps_from_string (caps_str);
+  fail_unless (GST_IS_CAPS (filter_caps));
+  g_object_set (filter, "caps", filter_caps, NULL);
+  gst_caps_unref (filter_caps);
+
+  sinkpad = gst_element_get_static_pad (filter, "sink");
+
+  /* check that the set caps are acceptable on the sinkpad */
+  caps_str = "audio/x-raw, rate=(int)44100, channels=(int)1";
+  filter_caps = gst_caps_from_string (caps_str);
+  query = gst_query_new_accept_caps (filter_caps);
+  gst_caps_unref (filter_caps);
+  fail_unless (gst_pad_query (sinkpad, query));
+  gst_query_parse_accept_caps_result (query, &accepted);
+  fail_unless (accepted);
+  gst_query_unref (query);
+
+  /* and that unrelated caps are not acceptable */
+  caps_str = "video/x-raw, width=(int)320, height=(int)240";
+  filter_caps = gst_caps_from_string (caps_str);
+  query = gst_query_new_accept_caps (filter_caps);
+  gst_caps_unref (filter_caps);
+  fail_unless (gst_pad_query (sinkpad, query));
+  gst_query_parse_accept_caps_result (query, &accepted);
+  fail_unless (!accepted);
+  gst_query_unref (query);
+
+  gst_object_unref (sinkpad);
+
+  /* now do the same for the src pad (which has the same caps) */
+  srcpad = gst_element_get_static_pad (filter, "src");
+
+  caps_str = "audio/x-raw, rate=(int)44100, channels=(int)1";
+  filter_caps = gst_caps_from_string (caps_str);
+  query = gst_query_new_accept_caps (filter_caps);
+  gst_caps_unref (filter_caps);
+  fail_unless (gst_pad_query (srcpad, query));
+  gst_query_parse_accept_caps_result (query, &accepted);
+  fail_unless (accepted);
+  gst_query_unref (query);
+
+  caps_str = "video/x-raw, width=(int)320, height=(int)240";
+  filter_caps = gst_caps_from_string (caps_str);
+  query = gst_query_new_accept_caps (filter_caps);
+  gst_caps_unref (filter_caps);
+  fail_unless (gst_pad_query (srcpad, query));
+  gst_query_parse_accept_caps_result (query, &accepted);
+  fail_unless (!accepted);
+  gst_query_unref (query);
+
+  gst_object_unref (srcpad);
+
+  gst_object_unref (filter);
+}
+
+GST_END_TEST;
+
 static Suite *
 capsfilter_suite (void)
 {
@@ -86,6 +238,9 @@ capsfilter_suite (void)
 
   suite_add_tcase (s, tc_chain);
   tcase_add_test (tc_chain, test_unfixed_downstream_caps);
+  tcase_add_test (tc_chain, test_caps_property);
+  tcase_add_test (tc_chain, test_caps_query);
+  tcase_add_test (tc_chain, test_accept_caps_query);
 
   return s;
 }