udpsink wait for reference frame

[Spruyt, Randy]

The vaapidecode will be what I end up using, but it does not have a output-corrupt property (in 0.5.11.pre1 anyways), perhaps you were thinking of another element?

From: gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] On Behalf Of Chuck Crisler
Sent: Wednesday, April 29, 2015 3:59 PM
To: Discussion of the development of and with GStreamer
Subject: Re: udpsink wait for reference frame

Could you substitute avdec_h264 for vaapidecode and set the output-corrupt property to false?

On Wed, Apr 29, 2015 at 3:07 PM, Spruyt, Randy <Randy.Spruyt at christiedigital.com<mailto:Randy.Spruyt at christiedigital.com>> wrote:
Anyone know how to get the client side of a stream to wait for a reference frame before displaying content?

Server:
gst-launch-1.0 -v videotestsrc ! x264enc ! rtph264pay ! udpsink port=6000 host=192.168.232.189

client:
gst-launch-1.0 udpsrc caps = "application/x-rtp, media=video, clock-rate=90000, encoding-name=H264, packetization-mode=1, profile-level-id\=640014,sprop-parameter-sets=\"Z2QAFKzZQUH7ARAAAAMAEAAAAwPI8UKZYA\\\=\\\=\\\,aOvssiw\\\=\", payload=96, ssrc=774396182,timestamp-offset=4446270, seqnum-offset=27753" port=6000 ! rtpjitterbuffer ! rtph264depay ! vaapiparse_h264 ! vaapidecode ! vaapisink

works fine. However, the client does not start from reference/key frame. After a second or two, things look normal


starts with:
[unnamed.png]

After a second or two:
[cid:image002.jpg at 01D0826A.2192D6C0]


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