video: Add functions to create/parse still frame events.

Add a new video event to mark the start or end of a still-frame
sequence, and a parser function to identify and extract info from
such events.
API: gst_video_event_new_still_frame()
API: gst_video_event_parse_still_frame()

Fixes: #601942

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/check/libs/video.c b/tests/check/libs/video.c
index ad6b2f89b..56e9f5f71 100644
--- a/tests/check/libs/video.c
+++ b/tests/check/libs/video.c
@@ -554,6 +554,32 @@ GST_START_TEST (test_parse_caps_rgb)
 
 GST_END_TEST;
 
+GST_START_TEST (test_events)
+{
+  GstEvent *e;
+  gboolean in_still;
+
+  e = gst_video_event_new_still_frame (TRUE);
+  fail_if (e == NULL, "Failed to create still frame event");
+  fail_unless (gst_video_event_parse_still_frame (e, &in_still),
+      "Failed to parse still frame event");
+  fail_unless (gst_video_event_parse_still_frame (e, NULL),
+      "Failed to parse still frame event w/ in_still == NULL");
+  fail_unless (in_still == TRUE);
+  gst_event_unref (e);
+
+  e = gst_video_event_new_still_frame (FALSE);
+  fail_if (e == NULL, "Failed to create still frame event");
+  fail_unless (gst_video_event_parse_still_frame (e, &in_still),
+      "Failed to parse still frame event");
+  fail_unless (gst_video_event_parse_still_frame (e, NULL),
+      "Failed to parse still frame event w/ in_still == NULL");
+  fail_unless (in_still == FALSE);
+  gst_event_unref (e);
+}
+
+GST_END_TEST;
+
 static Suite *
 video_suite (void)
 {
@@ -564,6 +590,7 @@ video_suite (void)
   tcase_add_test (tc_chain, test_video_formats);
   tcase_add_test (tc_chain, test_dar_calc);
   tcase_add_test (tc_chain, test_parse_caps_rgb);
+  tcase_add_test (tc_chain, test_events);
 
   return s;
 }