From f57ff798670af4cbb1d8fc357b40adeaf90f9696 Mon Sep 17 00:00:00 2001
From: Aman Gupta <aman@tmm1.net>
Date: Fri, 13 Oct 2017 14:13:32 -0700
Subject: demux: ignore false underrun reporting from eia_608 captions decoder

---
 demux/demux.c    | 3 +++
 demux/stheader.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/demux/demux.c b/demux/demux.c
index b80fbeaff7..2356d0ad3f 100644
--- a/demux/demux.c
+++ b/demux/demux.c
@@ -457,6 +457,7 @@ void demuxer_feed_caption(struct sh_stream *stream, demux_packet_t *dp)
             return;
         }
         sh->codec->codec = "eia_608";
+        sh->ignore_eof = true;
         stream->ds->cc = sh;
         demux_add_sh_stream(demuxer, sh);
     }
@@ -1659,6 +1660,8 @@ static int cached_demux_control(struct demux_internal *in, int cmd, void *arg)
         int num_packets = 0;
         for (int n = 0; n < in->num_streams; n++) {
             struct demux_stream *ds = in->streams[n]->ds;
+            if (in->streams[n]->ignore_eof)
+                continue;
             if (ds->active && !(!ds->head && ds->eof)) {
                 r->underrun |= !ds->head && !ds->eof;
                 r->ts_range[0] = MP_PTS_MAX(r->ts_range[0], ds->base_ts);
diff --git a/demux/stheader.h b/demux/stheader.h
index a0820f55b7..319f56109b 100644
--- a/demux/stheader.h
+++ b/demux/stheader.h
@@ -56,6 +56,7 @@ struct sh_stream {
 
     // Internal to demux.c
     struct demux_stream *ds;
+    bool ignore_eof;            // ignore stream in underrun detection
 };
 
 struct mp_codec_params {
-- 
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