<html>
  <head>
    <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    <p>Hi.<br>
      First, problem with synchronization video and audio.<br>
      Second, with videoscale i get:<br>
      gstbin.c(2586): gst_bin_do_latency_func ():
      /GstPipeline:pipeline0:<br>
      Impossible to configure latency: max 0:00:02.700000000 < min
      0:00:02.820000000. Add queues or other buffering elements.<br>
      <br>
      Without videoscale 1 pair video+audio working, if I add second
      pair and adding videoscale after vt no errors, such a video and
      audio and if I remove videoscale and left other:<br>
      $ gst-launch-1.0 uridecodebin name=dec uri=udp://239.50.50.50:1234
      \<br>
      dec. ! videoconvert ! deinterlace ! tee name=vt \<br>
      dec. ! audioconvert ! audioresample !
      audio/x-raw,rate=48000,channels=1 ! audiorate ! queue ! voaacenc
      bitrate=32000 ! tee name=at \<br>
      vt. ! queue ! videorate ! x264enc ! h264parse ! mpegtsmux
      name=muxer alignment=7 ! rtpmp2tpay ! udpsink host=127.0.0.1
      port=1111 \<br>
      at. ! queue ! aacparse ! muxer. \<br>
      vt. ! queue ! videoscale method=0 ! videorate !
      video/x-raw,width=360,height=288,framerate=25/1 ! queue ! x264enc
      ! h264parse ! mpegtsmux name=muxer1 alignment=7 ! rtpmp2tpay !
      udpsink host=127.0.0.1 port=1112 \<br>
      at. ! queue ! aacparse ! muxer1.<br>
      I get 2 working copies of video+audio witout scale and with
      audio+video synchronization problem.<br>
    </p>
    <br>
    <div class="moz-cite-prefix">21.04.2017 10:35, Bruce Tsai пишет:<br>
    </div>
    <blockquote
      cite="mid:A36ECB36-A73B-45D4-A3E6-E5FC81992138@gmail.com"
      type="cite">
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
      I made a mistake when connecting “mpegtsmux” to “rtpmp2tpay”.
      <div class=""><br class="">
      </div>
      <div class="">Here is modified version:</div>
      <div class=""><br class="">
      </div>
      <div class="">
        <div class="">gat-launch-1.0 uridecodebin name=dec uri=<a
            moz-do-not-send="true" 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 ! rtpmp2tpay !
          udpsink host=127.0.0.1 port=1111 \</div>
        <div class="">at. ! queue ! aacparse ! muxer. \</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 ! rtpmp2tpay !
            udpsink host=127.0.0.1 port=1112 \</div>
          <div class="">at. ! queue ! aacparse ! muxer1. \</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 ! rtpmp2tpay !
            udpsink host=127.0.0.1 port=1113 \</div>
          <div class="">at. ! queue ! aacparse ! muxer2.</div>
          <div class=""><br class="">
          </div>
        </div>
        <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 moz-do-not-send="true"
                  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 21, 2017, at 2:32 PM, Dmitriy Novash
              <<a moz-do-not-send="true"
                href="mailto:programer@wnet.ua" class="">programer@wnet.ua</a>>
              wrote:</div>
            <br class="Apple-interchange-newline">
            <div class="">
              <meta content="text/html; charset=utf-8"
                http-equiv="Content-Type" class="">
              <div bgcolor="#FFFFFF" text="#000000" class="">
                <p class="">Hi, Bruce.<br class="">
                  <br class="">
                  Problem with combine video and audio.<br class="">
                  $ GST_DEBUG=1 gst-launch-1.0 uridecodebin name=dec
                  uri=<a moz-do-not-send="true"
                    href="udp://239.50.50.50:1234" class="">udp://239.50.50.50:1234</a>
                  dec. ! videoconvert ! deinterlace ! tee name=vt dec. !
                  audioconvert ! audioresample !
                  audio/x-raw,rate=48000,channels=1 ! audiorate ! queue
                  ! voaacenc bitrate=32000 ! tee name=at vt. !
                  videoscale method=0 ! videorate !
                  video/x-raw,width=640,height=512,framerate=25/1 !
                  x264enc ! h264parse ! mpegtsmux name=muxer alignment=7
                  at. ! queue ! aacparse ! muxer. ! rtpmp2tpay ! udpsink
                  host=127.0.0.1 port=1111<br class="">
                  0:00:00.015467297  3955      0x1f2a980 ERROR          
                  GST_PIPELINE grammar.y:959:priv_gst_parse_yyparse:
                  syntax error<br class="">
                  0:00:00.015490467  3955      0x1f2a980 ERROR          
                  GST_PIPELINE grammar.y:959:priv_gst_parse_yyparse:
                  syntax error<br class="">
                  <br class="">
                  Simplify code:<br class="">
                  $ GST_DEBUG=1 gst-launch-1.0 uridecodebin name=dec
                  uri=<a moz-do-not-send="true"
                    href="udp://239.50.50.50:1234" class="">udp://239.50.50.50:1234</a>
                  dec. ! videoconvert ! deinterlace ! tee name=vt dec. !
                  audioconvert ! audioresample !
                  audio/x-raw,rate=48000,channels=1 ! audiorate ! queue
                  ! voaacenc bitrate=32000 ! tee name=at vt. !
                  videoscale method=0 ! videorate !
                  video/x-raw,width=640,height=512,framerate=25/1 !
                  x264enc ! h264parse ! mpegtsmux name=muxer alignment=7
                  at. ! fakesink<br class="">
                  Установка конвейера в состояние PAUSED…<br class="">
                  Конвейер работает и не требует состояния PREROLL…<br
                    class="">
                  Установка конвейера в состояние PLAYING…<br class="">
                  New clock: GstSystemClock<br class="">
                </p>
                <br class="">
                <div class="moz-cite-prefix">20.04.2017 18:58, Bruce
                  Tsai пишет:<br class="">
                </div>
                <blockquote
                  cite="mid:C305F643-B41E-4661-8CC9-D87F7D5CFA72@gmail.com"
                  type="cite" class="">
                  <meta http-equiv="Content-Type" content="text/html;
                    charset=utf-8" 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 moz-do-not-send="true"
                      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="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="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 moz-do-not-send="true"
                            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 class="">
                    <blockquote type="cite" class="">
                      <div class="">On Apr 20, 2017, at 9:49 PM, Dmitriy
                        Novash <<a moz-do-not-send="true"
                          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 moz-do-not-send="true"
                          href="mailto:gstreamer-devel@lists.freedesktop.org"
                          class="">gstreamer-devel@lists.freedesktop.org</a><br
                          class="">
                        <a moz-do-not-send="true"
                          class="moz-txt-link-freetext"
                          href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br
                          class="">
                      </div>
                    </blockquote>
                  </div>
                  <br class="">
                  <br class="">
                  <fieldset class="mimeAttachmentHeader"></fieldset>
                  <br class="">
                  <pre class="" wrap="">_______________________________________________
gstreamer-devel mailing list
<a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a>
</pre>
                </blockquote>
                <br class="">
                <pre class="moz-signature" cols="72">-- 
BR, Dmitriy Novash
Wnet IPTV/Media team
tel: +380(44) 5-900-800 (доп. 1132)
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://wnet.ua/">http://wnet.ua</a></pre>
              </div>
              _______________________________________________<br
                class="">
              gstreamer-devel mailing list<br class="">
              <a moz-do-not-send="true"
                href="mailto:gstreamer-devel@lists.freedesktop.org"
                class="">gstreamer-devel@lists.freedesktop.org</a><br
                class="">
<a class="moz-txt-link-freetext" href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br
                class="">
            </div>
          </blockquote>
        </div>
        <br class="">
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
gstreamer-devel mailing list
<a class="moz-txt-link-abbreviated" href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a>
<a class="moz-txt-link-freetext" href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a>
</pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
BR, Dmitriy Novash
Wnet IPTV/Media team
tel: +380(44) 5-900-800 (доп. 1132)
<a class="moz-txt-link-freetext" href="http://wnet.ua">http://wnet.ua</a></pre>
  </body>
</html>