From 125c20bd081a7d99681f3ac25174c1360b885436 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Mon, 24 Jun 2013 23:52:53 +0200
Subject: dec_sub: add hack to display last MicroDVD subtitle event

The old subreader.c infrastructure handled this in a similar way.
---
 sub/dec_sub.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sub/dec_sub.c b/sub/dec_sub.c
index 56ed2a3d6f..968ca3e39f 100644
--- a/sub/dec_sub.c
+++ b/sub/dec_sub.c
@@ -411,6 +411,17 @@ bool sub_read_all_packets(struct dec_sub *sub, struct sh_sub *sh)
     if (!opts->suboverlap_enabled)
         fix_overlaps_and_gaps(subs);
 
+    if (sh->gsh->codec && strcmp(sh->gsh->codec, "microdvd") == 0) {
+        // The last subtitle event in MicroDVD subs can have duration unset,
+        // which means show the subtitle until end of video.
+        // See FFmpeg FATE MicroDVD_capability_tester.sub
+        if (subs->num_packets) {
+            struct demux_packet *last = subs->packets[subs->num_packets - 1];
+            if (last->duration <= 0)
+                last->duration = 10; // arbitrary
+        }
+    }
+
     add_sub_list(sub, preprocess, subs);
 
     talloc_free(subs);
-- 
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