1 files changed, 3 insertions, 0 deletions
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index bb29e3cec5..0e38d6d185 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -1981,6 +1981,9 @@ static void flush_encoders(void)
             AVPacket *pkt = ost->pkt;
             int pkt_size;
 
+            if (!pkt)
+                break;
+
             switch (enc->codec_type) {
             case AVMEDIA_TYPE_AUDIO:
                 desc   = "audio";