From 39f89f967b16d4368130a95a2b33aa2a04cbe4b7 Mon Sep 17 00:00:00 2001
From: Bret Curtis <psi29a@gmail.com>
Date: Thu, 12 Nov 2015 12:44:40 +0100
Subject: [PATCH] from kcat: We can't simply get rid of this, otherwise it may
 break for certain kinds of packets.

---
 extern/osg-ffmpeg-videoplayer/videostate.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/extern/osg-ffmpeg-videoplayer/videostate.cpp b/extern/osg-ffmpeg-videoplayer/videostate.cpp
index fb392bb4d..3c9279ea2 100644
--- a/extern/osg-ffmpeg-videoplayer/videostate.cpp
+++ b/extern/osg-ffmpeg-videoplayer/videostate.cpp
@@ -85,6 +85,9 @@ void VideoState::setAudioFactory(MovieAudioFactory *factory)
 void PacketQueue::put(AVPacket *pkt)
 {
     AVPacketList *pkt1;
+    if(pkt != &flush_pkt && !pkt->buf && av_dup_packet(pkt) < 0)
+        throw std::runtime_error("Failed to duplicate packet");
+
     pkt1 = (AVPacketList*)av_malloc(sizeof(AVPacketList));
     if(!pkt1) throw std::bad_alloc();
     pkt1->pkt = *pkt;