From 11238579a57927a65a6e10fd965eaeef37d947a2 Mon Sep 17 00:00:00 2001
From: Mathieu Duponchelle <mathieu@centricular.com>
Date: Mon, 8 Mar 2021 23:58:17 +0100
Subject: [PATCH] tttocea608: pad immediately for the duration of the input
 buffer

Pushing the pending padding once we receive the following gap
or buffer means we will push it too late otherwise.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/480>
---
 video/closedcaption/src/tttocea608/imp.rs | 2 ++
 video/closedcaption/tests/tttocea608.rs   | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/video/closedcaption/src/tttocea608/imp.rs b/video/closedcaption/src/tttocea608/imp.rs
index 4daf24e8..3cb383be 100644
--- a/video/closedcaption/src/tttocea608/imp.rs
+++ b/video/closedcaption/src/tttocea608/imp.rs
@@ -778,6 +778,8 @@ impl TtToCea608 {
             );
         }
 
+        state.pad(element, mut_list, state.max_frame_no);
+
         self.srcpad.push_list(bufferlist)
     }
 
diff --git a/video/closedcaption/tests/tttocea608.rs b/video/closedcaption/tests/tttocea608.rs
index efcc57b7..658c77cb 100644
--- a/video/closedcaption/tests/tttocea608.rs
+++ b/video/closedcaption/tests/tttocea608.rs
@@ -107,7 +107,7 @@ fn test_one_timed_buffer_and_eos() {
         assert_eq!(e.2, &*data);
     }
 
-    assert_eq!(h.buffers_in_queue(), 0);
+    assert_eq!(h.buffers_in_queue(), 23);
 
     h.push_event(gst::event::Eos::new());