1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c
index 1c552a3e6b..e4863f1fc7 100644
--- a/libavformat/flvenc.c
+++ b/libavformat/flvenc.c
@@ -883,6 +883,11 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
     int flags = -1, flags_size, ret;
     int64_t cur_offset = avio_tell(pb);
 
+    if (par->codec_type == AVMEDIA_TYPE_AUDIO && !pkt->size) {
+        av_log(s, AV_LOG_WARNING, "Empty audio Packet\n");
+        return AVERROR(EINVAL);
+    }
+
     if (par->codec_id == AV_CODEC_ID_VP6F || par->codec_id == AV_CODEC_ID_VP6A ||
         par->codec_id == AV_CODEC_ID_VP6  || par->codec_id == AV_CODEC_ID_AAC)
         flags_size = 2;