[FFmpeg-cvslog] avdevice/decklink_dec: unref packets on avpacket_queue_put error

[Marton Balint]

ffmpeg | branch: release/4.0 | Marton Balint <cus at passwd.hu> | Sun Apr 22 23:09:05 2018 +0200| [d89eea3455862a97963ac0701c51d9a1bdd21f19] | committer: Marton Balint

avdevice/decklink_dec: unref packets on avpacket_queue_put error

Signed-off-by: Marton Balint <cus at passwd.hu>
(cherry picked from commit 649087fa83a50e04a4ddd7f2f5f740a18ac28902)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d89eea3455862a97963ac0701c51d9a1bdd21f19
---

 libavdevice/decklink_dec.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp
index e97a4402ea..57004d7b06 100644
--- a/libavdevice/decklink_dec.cpp
+++ b/libavdevice/decklink_dec.cpp
@@ -467,16 +467,19 @@ static int avpacket_queue_put(AVPacketQueue *q, AVPacket *pkt)
 
     // Drop Packet if queue size is > maximum queue size
     if (avpacket_queue_size(q) > (uint64_t)q->max_q_size) {
+        av_packet_unref(pkt);
         av_log(q->avctx, AV_LOG_WARNING,  "Decklink input buffer overrun!\n");
         return -1;
     }
     /* ensure the packet is reference counted */
     if (av_packet_make_refcounted(pkt) < 0) {
+        av_packet_unref(pkt);
         return -1;
     }
 
     pkt1 = (AVPacketList *)av_malloc(sizeof(AVPacketList));
     if (!pkt1) {
+        av_packet_unref(pkt);
         return -1;
     }
     av_packet_move_ref(&pkt1->pkt, pkt);