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;