From 6972dae5a494fb69836343ea0e8d430769177c5d Mon Sep 17 00:00:00 2001
From: Paul B Mahol
Date: Tue, 14 Aug 2018 20:06:32 +0200
Subject: avformat/avidec: fix demuxing of all keyframes of sample
 200707170736151.avi

---
 libavformat/avidec.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libavformat/avidec.c')

diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index bafe1dc8da..3f074795a7 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -1231,6 +1231,11 @@ start_sync:
             goto start_sync;
         }
 
+        if (d[2] == 'w' && d[3] == 'c' && n < s->nb_streams) {
+            avio_skip(pb, 16 * 3 + 8);
+            goto start_sync;
+        }
+
         if (avi->dv_demux && n != 0)
             continue;
 
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