From 99f4ca63776c8ca63387629cb2e66dfd778b63e7 Mon Sep 17 00:00:00 2001
From: Martin Pulec <martin.pulec@cesnet.cz>
Date: Wed, 9 Oct 2019 13:02:57 +0200
Subject: [PATCH] Lavd: fixed a NULL-pointer dereference

---
 src/video_decompress/libavcodec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/video_decompress/libavcodec.c b/src/video_decompress/libavcodec.c
index fc55bdf6f..90b947f2f 100644
--- a/src/video_decompress/libavcodec.c
+++ b/src/video_decompress/libavcodec.c
@@ -695,7 +695,10 @@ static int libavcodec_decompress_get_property(void *state, int property, void *v
                         if (*len < sizeof(int)) {
                                 return FALSE;
                         }
-                        *(int *) val = strcmp(s->codec_ctx->codec->name, "h264") == 0;
+                        *(int *) val = FALSE;
+                        if (s->codec_ctx && strcmp(s->codec_ctx->codec->name, "h264") == 0) {
+                                *(int *) val = TRUE;
+                        }
                         if (get_commandline_param("lavd-accept-corrupted")) {
                                 *(int *) val =
                                         strcmp(get_commandline_param("lavd-accept-corrupted"), "no") != 0;