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avformat/rtsp: punch holes again after pause

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When a client behind a NAT issues a pause command, and stay paused for a
long time, the router may stop the RTP/RTCP port redirection. Resend the
hole punching packets after each PLAY command to cause the router to
restart the port redirection in that case.

Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Gilles Chanteperdrix 2015-02-22 07:59:55 +01:00 committed by Michael Niedermayer
parent 642c49c983
commit 22bb5bd7a3
1 changed files with 4 additions and 0 deletions
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4
libavformat/rtspdec.c
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@ -542,6 +542,10 @@ static int rtsp_read_play(AVFormatContext *s)
AVStream *st = NULL; AVStream *st = NULL;
if (!rtpctx || rtsp_st->stream_index < 0) if (!rtpctx || rtsp_st->stream_index < 0)
continue; continue;
if (CONFIG_RTPDEC &&
!(rt->server_type == RTSP_SERVER_WMS && i > 1) && s->iformat)
ff_rtp_send_punch_packets(rtsp_st->rtp_handle);
st = s->streams[rtsp_st->stream_index]; st = s->streams[rtsp_st->stream_index];
rtpctx->range_start_offset = rtpctx->range_start_offset =
av_rescale_q(reply->range_start, AV_TIME_BASE_Q, av_rescale_q(reply->range_start, AV_TIME_BASE_Q,