<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">First, there is no need to mix-use “decodebin” and “tsdemux”.</div><div class="">“decodebin” already has demux capability.</div><div class="">Second, there are too many “queue” in pipeline.</div><div class="">Each “queue” introduces a new thread.</div><div class="">Too many unnecessary threads is not a good idea.</div><div class="">Third, “tee” for audio stream is also necessary.</div><div class="">Each “mux” needs a copy of video and a copy of audio.</div><div class="">Use “tee” to get three copies of video and audio respectively.</div><div class="">Then combine each pair of video and audio to a “mpegtsmux”.</div><div class=""><br class=""></div><div class="">I tried to rewrite your pipeline as follows:</div><div class=""><br class=""></div><div class="">gat-launch-1.0 uridecodebin name=dec uri=<a href="udp://239.50.50.50:1234" class="">udp://239.50.50.50:1234</a> \</div><div class="">dec. ! videoconvert ! deinterlace ! videoscale method=0 ! tee name=vt \</div><div class="">dec. ! audioconvert ! audioresample ! audio/x-raw,rate=48000,channels=1 ! audiorate ! queue ! voaacenc bitrate=32000 ! tee name=at \</div><div class="">vt. ! queue ! videorate ! video/x-raw,width=640,height=512,framerate=25/1 ! x264enc ! h264parse ! mpegtsmux name=muxer alignment=7 \</div><div class="">at. ! queue ! aacparse ! muxer. ! rtpmp2tpay ! udpsink host=127.0.0.1 port=1111 \</div><div class=""><div class="">vt. ! queue ! videorate ! video/x-raw,width=320,height=256,framerate=25/1 ! x264enc ! h264parse ! mpegtsmux name=muxer1 alignment=7 \</div><div class="">at. ! queue ! aacparse ! muxer1. ! rtpmp2tpay ! udpsink host=127.0.0.1 port=1112 \</div></div><div class=""><div class="">vt. ! queue ! videorate ! video/x-raw,width=160,height=128,framerate=25/1 ! x264enc ! h264parse ! mpegtsmux name=muxer2 alignment=7 \</div><div class="">at. ! queue ! aacparse ! muxer2. ! rtpmp2tpay ! udpsink host=127.0.0.1 port=1113</div></div><div class=""><br class=""></div><div class="">I didn’t verify above pipeline on my machine.</div><div class="">You could try it with first pair of output only.</div><div class="">Simplicity is good for debug.</div><div class="">Then you could add second pair and then third pair.</div><div class=""><br class=""></div><br class=""><div class=""> <div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">--</div><div class="">Yi-Lung (Bruce) Tsai</div><div class=""><a href="mailto:wagamama.tsai@gmail.com" class="">wagamama.tsai@gmail.com</a></div><div class=""><br class=""></div></div><br class="Apple-interchange-newline"></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline"> </div> <br class=""><div><blockquote type="cite" class=""><div class="">On Apr 20, 2017, at 9:49 PM, Dmitriy Novash <<a href="mailto:programer@wnet.ua" class="">programer@wnet.ua</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""> <meta http-equiv="content-type" content="text/html; charset=utf-8" class=""> <div bgcolor="#FFFFFF" text="#000000" class=""> Hi all.<br class=""> <br class=""> I have many TV streams (Mpeg2) in udp multicast.<br class=""> I want to have stream in H264+AAC in udp multicast with 3 resolutions: 1:1 (original),1:2,1:4. Now I do it with 3 processes of gst-launch, but for optimization of CPU usage I think I can do it in one process.<br class=""> After several tries I get 3 videos with 3 resolutions, but i can't get audio for all threads, only for one.<br class=""> I'm using gstreamer 1.00+ version:<br class=""> $ gst-launch-1.0 --version<br class=""> gst-launch-1.0 version 1.8.3<br class=""> GStreamer 1.8.3<br class=""> <br class=""> My configuration:<br class=""> <code class="java plain">gst-launch-</code><code class="java value">1.0</code> <code class="java plain">udpsrc uri=udp:</code><code class="java comments">//239.50.50.50:1234 ! queue ! tsparse ! queue ! tsdemux name=demux \<br class=""> demux. ! queue ! mpegvideoparse ! queue ! decodebin ! queue ! deinterlace ! \<br class=""> tee name=tee1 ! queue ! videoscale method=0 ! videorate ! video/x-raw, width=640, height=512, framerate=25/1 ! x264enc ! h264parse ! mpegtsmux name=muxer alignment=7 \<br class=""> demux. ! queue ! decodebin ! queue ! audioconvert ! audioresample ! queue ! audio/x-raw, rate=48000, channels=1 ! audiorate ! voaacenc bitrate=32000 ! queue ! aacparse ! queue ! tee name=tee2 ! queue ! muxer. \<br class=""> muxer. ! rtpmp2tpay ! udpsink host=127.0.0.1 port=1111 \<br class=""> tee1. ! queue ! videoscale method=0 ! videorate ! video/x-raw, width=320, height=256, framerate=25/1 ! x264enc ! h264parse ! mpegtsmux name=muxer1 alignment=7 muxer1. ! rtpmp2tpay ! udpsink host=127.0.0.1 port=1112 \<br class=""> tee1. ! queue ! videoscale method=0 ! videorate ! video/x-raw, width=160, height=128, framerate=25/1 ! x264enc ! h264parse ! mpegtsmux name=muxer2 alignment=7 muxer2. ! rtpmp2tpay ! udpsink host=127.0.0.1 port=1113</code><br class=""> <br class=""> I can't join mpedtsmux and tee.<br class=""> <br class=""> So I want to decode video, get 3 copies, each copy scale to some resolution, encode, decode + encode audio and join to each copy of video, output each copy in udp unicast to some port.<br class=""> <br class=""> Help, maybe someone have working solution for my task.<br class=""> </div> _______________________________________________<br class="">gstreamer-devel mailing list<br class=""><a href="mailto:gstreamer-devel@lists.freedesktop.org" class="">gstreamer-devel@lists.freedesktop.org</a><br class="">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel<br class=""></div></blockquote></div><br class=""></body></html>