diff options
Diffstat (limited to 'libavformat/rtspdec.c')
| -rw-r--r-- | libavformat/rtspdec.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libavformat/rtspdec.c b/libavformat/rtspdec.c index 418f3837b8..659c768423 100644 --- a/libavformat/rtspdec.c +++ b/libavformat/rtspdec.c @@ -504,6 +504,18 @@ static int rtsp_read_play(AVFormatContext *s) av_log(s, AV_LOG_DEBUG, "hello state=%d\n", rt->state); rt->nb_byes = 0; + if (rt->lower_transport == RTSP_LOWER_TRANSPORT_UDP) { + for (i = 0; i < rt->nb_rtsp_streams; i++) { + RTSPStream *rtsp_st = rt->rtsp_streams[i]; + /* Try to initialize the connection state in a + * potential NAT router by sending dummy packets. + * RTP/RTCP dummy packets are used for RDT, too. + */ + if (rtsp_st->rtp_handle && + !(rt->server_type == RTSP_SERVER_WMS && i > 1)) + ff_rtp_send_punch_packets(rtsp_st->rtp_handle); + } + } if (!(rt->server_type == RTSP_SERVER_REAL && rt->need_subscription)) { if (rt->transport == RTSP_TRANSPORT_RTP) { for (i = 0; i < rt->nb_rtsp_streams; i++) { |