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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>Dear All,<o:p></o:p></p><p class=MsoPlainText>Does anyone have an idea as to why these 2 streams aren’t in sync? I’ve deliberately made the x264enc take longer to encode stream 1 but thought that gstreamer would synchronise them together on their capture time..<o:p></o:p></p><p class=MsoPlainText>They should run on any machine and you can see the clock is out of sync.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Stream/Terminal 1:<o:p></o:p></p><p class=MsoPlainText>gst-launch-1.0 rtpbin name=rtpbin rtp-profile=avpf rtcp-sync-send-time=FALSE videotestsrc is-live=true ! video/x-raw,width=1280,height=720,framerate=20/1 ! queue ! clockoverlay ! videoconvert ! x264enc speed-preset=10 ! h264parse ! video/x-h264,profile=main,width=1280,height=720,framerate=20/1 ! queue ! rtph264pay ! rtpbin.send_rtp_sink_0 rtpbin.send_rtp_src_0 ! udpsink host=127.0.0.1 port=10000 rtpbin.send_rtcp_src_0 ! udpsink host=127.0.0.1 port=10001 sync=false async=false udpsrc port=10002 ! rtpbin.recv_rtcp_sink_0<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Stream/Terminal 2:<o:p></o:p></p><p class=MsoPlainText>gst-launch-1.0 rtpbin name=rtpbin rtp-profile=avpf rtcp-sync-send-time=FALSE videotestsrc is-live=true ! video/x-raw,width=1280,height=720,framerate=20/1 ! queue ! clockoverlay ! videoconvert ! x264enc tune=zerolatency speed-preset=1 ! h264parse ! video/x-h264,profile=main,width=1280,height=720,framerate=20/1 ! queue ! rtph264pay ! rtpbin.send_rtp_sink_0 rtpbin.send_rtp_src_0 ! udpsink host=127.0.0.1 port=10003 rtpbin.send_rtcp_src_0 ! udpsink host=127.0.0.1 port=10004 sync=false async=false udpsrc port=10005 ! rtpbin.recv_rtcp_sink_0<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Terminal 3:<o:p></o:p></p><p class=MsoPlainText>gst-launch-1.0 rtpbin name=rtpbin2 rtp-profile=avpf compositor name=convert sink_0::xpos=0 sink_0::ypos=0 sink_0::zorder=0 sink_1::xpos=640 sink_1::ypos=360 sink_1::zorder=1 ! videoscale ! video/x-raw,width=1280,height=720 ! videoconvert ! queue max-size-buffers=0 max-size-bytes=0 max-size-time=0 ! autovideosink udpsrc caps="application/x-rtp,media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, payload=96" port=10000 ! rtpbin2.recv_rtp_sink_0 rtpbin2. ! rtph264depay ! queue max-size-buffers=0 max-size-bytes=0 max-size-time=0 ! avdec_h264 ! video/x-raw,width=1280,height=720,framerate=20/1 ! videoconvert ! convert.sink_0 udpsrc port=10001 ! rtpbin2.recv_rtcp_sink_0 rtpbin2.send_rtcp_src_0 ! udpsink host=127.0.0.1 port=10002 sync=false async=false udpsrc caps="application/x-rtp,media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, payload=96" port=10003 ! rtpbin2.recv_rtp_sink_1 rtpbin2. ! rtph264depay ! queue max-size-buffers=0 max-size-bytes=0 max-size-time=0 ! avdec_h264 ! video/x-raw,width=1280,height=720,framerate=20/1 ! videoconvert ! convert.sink_1 udpsrc port=10004 ! rtpbin2.recv_rtcp_sink_1 rtpbin2.send_rtcp_src_1 ! udpsink host=127.0.0.1 port=10005 sync=false async=false<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Thanks for your time.<o:p></o:p></p><p class=MsoPlainText>Andy<o:p></o:p></p></div></body></html>