From 8396e16f851c0c9b9ccb6979f35485f48886cccd Mon Sep 17 00:00:00 2001
From: Matthew Waters <matthew@centricular.com>
Date: Tue, 2 Jun 2020 18:07:10 +1000
Subject: [PATCH] ccconverter: signal cea608 padding as invalid

Outputting a valid but null cea608 byte pair may cause some issues with
some checksum packets.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1318>
---
 ext/closedcaption/gstccconverter.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ext/closedcaption/gstccconverter.c b/ext/closedcaption/gstccconverter.c
index a9da170f93..c3630176aa 100644
--- a/ext/closedcaption/gstccconverter.c
+++ b/ext/closedcaption/gstccconverter.c
@@ -730,7 +730,7 @@ combine_cc_data (GstCCConverter * self, gboolean pad_cea608,
       cea608_1_i++;
       i++;
     } else if (cea608_1_i < total_cea608_1_count) {
-      out[out_i++] = 0xfc;
+      out[out_i++] = 0xf8;
       out[out_i++] = 0x80;
       out[out_i++] = 0x80;
       cea608_1_i++;
@@ -744,7 +744,7 @@ combine_cc_data (GstCCConverter * self, gboolean pad_cea608,
       cea608_2_i++;
       i++;
     } else if (cea608_2_i < total_cea608_2_count) {
-      out[out_i++] = 0xfd;
+      out[out_i++] = 0xf9;
       out[out_i++] = 0x80;
       out[out_i++] = 0x80;
       cea608_2_i++;