diff options
| -rw-r--r-- | libavformat/flvenc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c index a0fbd53d2d..40654bf507 100644 --- a/libavformat/flvenc.c +++ b/libavformat/flvenc.c @@ -336,7 +336,9 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) put_byte(pb, FLV_TAG_TYPE_AUDIO); } - if (enc->codec_id == CODEC_ID_H264) { + if (enc->codec_id == CODEC_ID_H264 && + /* check if extradata looks like mp4 formated */ + enc->extradata_size > 0 && *(uint8_t*)enc->extradata != 1) { if (ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size) < 0) return -1; assert(pkt->size); |