From 265d2a73d6dabba84405ab2e4b5cd1e75908f9b8 Mon Sep 17 00:00:00 2001
From: wm4
Date: Mon, 21 Sep 2015 13:44:37 +0200
Subject: avformat/assdec: do not drop duplicate subtitles

Duplicates are perfectly legitimate with this format. A correct
renderer will typically show them stacked.
---
 libavformat/assdec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/assdec.c b/libavformat/assdec.c
index 5423c03f14..a9a2efac2e 100644
--- a/libavformat/assdec.c
+++ b/libavformat/assdec.c
@@ -125,6 +125,8 @@ static int ass_read_header(AVFormatContext *s)
     av_bprint_init(&line,   0, AV_BPRINT_SIZE_UNLIMITED);
     av_bprint_init(&rline,  0, AV_BPRINT_SIZE_UNLIMITED);
 
+    ass->q.keep_duplicates = 1;
+
     for (;;) {
         int64_t pos = get_line(&line, &tr);
         int64_t ts_start = AV_NOPTS_VALUE;
-- 
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