<div dir="ltr">> How do I build a specific release eg 1.20<br><br>This changed during 1.19.<div><ul><li>Before 1.19, you would use the gst-build repo.</li><li>After 1.19, you would use the monorepo <a href="https://gitlab.freedesktop.org/gstreamer/gstreamer">https://gitlab.freedesktop.org/gstreamer/gstreamer</a>.  You would check out the specific branch (e.g. 1.20) or tag (e.g. 1.20.0) and follow the build instructions on the main readme.md.</li></ul>> How do I get the x264 plugins<br><br>Many components (like x264) are only built when the relevant libraries are installed on the build machine.  Here is an example of preparing a Fedora machine (version 31 or higher) to install all relevant libraries:<br><br><a href="https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/1.20/ci/docker/fedora/prepare.sh">https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/1.20/ci/docker/fedora/prepare.sh</a><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Feb 18, 2022 at 10:40 PM James via gstreamer-devel <<a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;"><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br><br><blockquote type="cite"><div>On 4 Feb 2022, at 11:52 pm, James Linder via gstreamer-devel <<a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a>> wrote:</div><br><div><blockquote type="cite" style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br>On 30 Jan 2022, at 9:50 pm, Nicolas Dufresne <<a href="mailto:nicolas@ndufresne.ca" target="_blank">nicolas@ndufresne.ca</a>> wrote:<br><br>Le samedi 29 janvier 2022 à 14:45 +0800, James via gstreamer-devel a écrit :<br><blockquote type="cite"><br><br><blockquote type="cite">On 23 Jan 2022, at 3:11 pm, James via gstreamer-devel<br><<a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a>> wrote:<br><br>On 22 Jan 2022, at 9:38 pm, Kaj-Michael Lang via gstreamer-devel<br><<a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a>> wrote:<br><blockquote type="cite"><br><br><br>On Sat, 2022-01-22 at 12:41 +0800, James Linder via gstreamer-devel<br>wrote:<br><blockquote type="cite">     at. ! queue ! avenc_aac ! hl.audio \<br>     vt. ! queue ! h264parse ! avdec_h264 ! xvimagesink \<br>     vt. ! queue ! h264parse ! avdec_h264 ! xvimagesink \<br>     vt. ! queue ! avdec_h264 ! queue ! x264enc tune=zerolatency<br>bitrate=1000 ! \<br></blockquote><br><br>You are decoding h264 3 times and also encoding aac audio and h264<br>video at the same time. Perhaps optimizing the 3 decoding to 1 might<br>help here.<br></blockquote><br>I took this and Nicolas' advice and with a bit of trial and error I get a<br>pipeline that previews and streams and has say 1 QoS event an hour (which is<br>in the no-worries bracket) but I cannot record the stream. Tried to match<br>caps etc. In the dump below the commented pipeline does work if I keep the<br>bitrate below say 4000Kb/s.<br><br>The pipeline without the last 3 (record) lines works. With them I get<br><br>Setting pipeline to PAUSED ...<br>0:00:00.056481332 0x564e0e46b0c0               v4l2src<br>gstv4l2src.c:694:gst_v4l2src_query:<v4l2src0>Can't give latency since<br>framerate isn't fixated !<br>0:00:00.056498225 0x564e0e46b0c0            aggregator<br>gstaggregator.c:2050:gst_aggregator_query_latency_unlocked:<mpegtsmux0>Laten<br>cy query failed<br><br><snip><br><br>ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Internal<br>data stream error.<br>Additional debug info:<br>../libs/gst/base/gstbasesrc.c(3127): gst_base_src_loop ():<br>/GstPipeline:pipeline0/GstV4l2Src:v4l2src0:<br>streaming stopped, reason not-negotiated (-4)<br><br>From the dot graph I can see framerate is NOT propegated, and my attempt to<br>set the the output caps of h264parse results in a syntax error.<br><br>Can anyone teach me please.<br>James<br><br>#! /bin/bash<br><br>IP=192.168.5.150<br><br>gst-launch-1.0 -e -v v4l2src device=/dev/video2 !  video/x-<br>h264,width=1920,height=1080,framerate=30/1 ! \<br><span style="white-space:pre-wrap">     </span>h264parse ! tee name=vt1 \<br></blockquote></blockquote><br>I would give a try with a queue after v4l2src here, so pictures don't stay as<br>long in the driver queue, and reduce the risk of overrun.<br><br><blockquote type="cite"><blockquote type="cite"><span style="white-space:pre-wrap">    </span>vt1. ! queue ! avdec_h264 ! tee name = vt2 \<br><span style="white-space:pre-wrap">  </span>vt2. ! queue ! xvimagesink \<br><span style="white-space:pre-wrap">  </span>vt2. ! queue ! xvimagesink \<br><span style="white-space:pre-wrap">  </span>at.  ! queue ! avenc_aac ! hl.audio \<br><span style="white-space:pre-wrap">        </span>vt1. ! queue ! hlssink2 max-files=15 name=hl \<br><span style="white-space:pre-wrap">        </span><span> </span>   playlist-root=<a href="http://$ip/" target="_blank">http://$IP</a><span> </span>playlist-location=/dev/shm/ch1.m3u8<br>location=/dev/shm/ch1_%05d.ts \<br><span style="white-space:pre-wrap">    </span>pulsesrc device=0 ! queue ! audioconvert ! \<br><span style="white-space:pre-wrap">  </span>tee name=at \<br><span style="white-space:pre-wrap"> </span>vt1. ! queue ! \<br><span style="white-space:pre-wrap">      </span>mp4mux name=mux ! \<br><span style="white-space:pre-wrap">   </span>filesink location=try7.mp4<br></blockquote><br>OK lots of trying. I'm using a 16 thread ryson. htop shows threads unused.<br>nmon shows the cores NOT ever being bumped to max-clock-rate. Yet I stutter<br>still. Frames are dropped but eg using vlc on windows the buffering allows the<br>effect to be masked<br>Did he sing "stopping" or "stping". I must be doing something but I know not<br>what or where to look.<br>If anyone had a comment or suggestion I'd appreciate it lots<br><br>If it is helpful here is a pipeline I'm using<br><br>gst-launch-1.0 -e -v v4l2src device=/dev/video2 ! \<br><span style="white-space:pre-wrap">     </span>video/x-h264,width=1920,height=1080,framerate=30/1 ! \<br><span style="white-space:pre-wrap">        </span>tee name=vt \<br><span style="white-space:pre-wrap"> </span>vt. ! queue ! h264parse ! avdec_h264 ! \<br><span style="white-space:pre-wrap">      </span>tee name=dt \<br><span style="white-space:pre-wrap"> </span>at. ! queue ! avenc_aac ! hl.audio \<br><span style="white-space:pre-wrap">  </span>dt. ! queue ! xvimagesink \<br><span style="white-space:pre-wrap">   </span>dt. ! queue ! xvimagesink \<br><span style="white-space:pre-wrap">   </span>vt. ! queue ! h264parse ! hlssink2 max-files=15 name=hl \<br><span style="white-space:pre-wrap">     </span>playlist-root=<a href="http://$ip/" target="_blank">http://$IP</a><span> </span>playlist-location=/dev/shm/ch1.m3u8<br>location=/dev/shm/ch1_%05d.ts \<br><span style="white-space:pre-wrap">     </span>vt. ! queue max-size-buffers=0 max-size-bytes=0 max-size-<br>time=1000000000 ! h264parse ! \<br><span style="white-space:pre-wrap">    </span>mux. \<br><span style="white-space:pre-wrap">        </span>pulsesrc device=0 ! queue ! audioconvert ! \<br><span style="white-space:pre-wrap">  </span>tee name=at \<br><span style="white-space:pre-wrap"> </span>at. !  queue ! audioresample ! audio/x-raw, rate=48000 ! \<br><span style="white-space:pre-wrap">   </span>queue ! avenc_aac ! queue ! \<br><span style="white-space:pre-wrap"> </span>mux. mp4mux name=mux ! \<br><span style="white-space:pre-wrap">      </span>filesink location=try4.mp4<br><br>Try to eliminate the 2nd h264parse is harder than I can do. One would think<br>matching caps would be easy.<span> </span><br></blockquote></blockquote><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><blockquote type="cite" style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">I just read Tin-Philipp’s announcement and I will try it</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">But I condense my problem down to</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">v4l2src pulsesrc ! mp4mux | filesink</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">I’ve tried with a 2 core i3, a 4 core i5, a 4 core i7, an 8 core rysan.</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">On linux vlc plays with hardly any problem (sometime an audio is truncated ie instead of saying “stopped” it may say “stpped”</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">On windows vlc is similar.</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">On mac vlc you can hear the stutter (no matter how you set latency.)</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Using ffmpeg to spelunk you can see dropped frames</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">All hardware is similar WRT recorded file result; htop on the i3 shows threads at 60% ish. On the rysan some threads are idle, the rest 20% ish.</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Ive heeded advice about queues.</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Using audiotestsrc the results are perfect!</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Surely this points to a problem with pulsesrc.</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Various distros are different but at end of day 16 is unusable 18 is fraught maybe 20 will be ok</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">I *need* multiple audio streams, but worst case I could have 2 audi cards and will try alsa for gstreamer</span><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Any comments, critiqe or opinions are welcome especially if someone has a working v4l2 pulse filesink pipeline (for x86_64, it looks like jenson do<span> </span></span><a href="https://www.youtube.com/watch?v=Ml5giyTDi0Y" style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank">https://www.youtube.com/watch?v=Ml5giyTDi0Y</a><br style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"></blockquote><div style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><span style="font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">It's had to express without using AustralianWords,  but I just built 1.20 from git and all trace of stutter is gone.</span></div></blockquote><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">I'd really appeciate a nudge thanks:</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">I have built 18 and in response to Nicolas' post I did build 20 as per above.</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">I tried to build again today and got tied up in the monorepo quagmire.</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">Using one of the rstp examples (which I've done before) I get fail as x264enc is missing. A quick look and indeed it is not there.</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">AFAICT I've built plugins-ugly</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">meson lists libav: YES</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">The current build is 1.21</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">Documentation says "if you want to build 1.16, 1.18" then does not mention the subject after git clone ...</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">1) how do I build a specific release eg 1.20</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">2) how do I get the x264 plugins</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">Thanks</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">James</div><div style="color:rgb(0,0,0);font-family:Helvetica;font-size:24px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div></div></blockquote></div>