avplay: Check frame allocation inside video_thread()

CC: libav-stable@libav.org
Bug-Id: CID 1267893

1 files changed, 3 insertions, 0 deletions

diff --git a/avplay.c b/avplay.c
index 9148c04a87..5c6fcfdb0b 100644
--- a/avplay.c
+++ b/avplay.c
@@ -1587,6 +1587,9 @@ static int video_thread(void *arg)
     filt_out = is->out_video_filter;
 #endif
 
+    if (!frame)
+        return AVERROR(ENOMEM);
+
     for (;;) {
 #if CONFIG_AVFILTER
         AVRational tb;