tttocea608: fix pushing unfixed caps downstream

Allowed downstream caps might hold multiple structures, simply fixating
the first structure is not enough, tttocea608 must also create caps with
a single structure from there (or remove the remaining structures, but
new caps seems cleaner)

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1160>

1 files changed, 3 insertions, 1 deletions

diff --git a/video/closedcaption/src/tttocea608/imp.rs b/video/closedcaption/src/tttocea608/imp.rs
index 3cc2a6e6..ec710d4d 100644
--- a/video/closedcaption/src/tttocea608/imp.rs
+++ b/video/closedcaption/src/tttocea608/imp.rs
@@ -864,6 +864,8 @@ impl TtToCea608 {
                 );
                 s.fixate();
 
+                let caps = gst::Caps::builder_full().structure(s.to_owned()).build();
+
                 let mut state = self.state.lock().unwrap();
                 state.framerate = s.get::<gst::Fraction>("framerate").unwrap();
 
@@ -873,7 +875,7 @@ impl TtToCea608 {
 
                 gst::debug!(CAT, obj: pad, "Pushing caps {}", caps);
 
-                let new_event = gst::event::Caps::new(&downstream_caps);
+                let new_event = gst::event::Caps::new(&caps);
 
                 drop(state);