<html><head></head><body><div>On Tue, 2020-12-01 at 09:01 +0000, Craig Carey wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div dir="ltr"><div><font size="2">Hi all,<br></font></div><div dir="auto"><font size="2"><br></font></div><div dir="auto"><font size="2">I understand that these were abandoned long ago because they were only capable of serializing simple pipelines.</font><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"> According to Sebastian Dröge:</span></font></div><div><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-left:36pt;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">The problem is that you can't serialize a pipeline in general in a</span></font></p><p dir="ltr" style="line-height:1.38;margin-left:36pt;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">lossless way, be it with former GstXML or GstParse. There is a lot that</span></font></p><p dir="ltr" style="line-height:1.38;margin-left:36pt;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">neither of the two can't express but which you can write in actual</span></font></p><p dir="ltr" style="line-height:1.38;margin-left:36pt;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">code.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-left:36pt;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Which is also the main reason why gst-editor was considered not too</span></font></p><p dir="ltr" style="line-height:1.38;margin-left:36pt;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">useful and abandoned by various people in the past who worked on it, it</span></font></p><p dir="ltr" style="line-height:1.38;margin-left:36pt;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">can only build a small subset of all possible pipelines.</span></font></p><p dir="ltr" style="line-height:1.38;margin-left:36pt;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br></span></font></p><p style="line-height:1.38;margin-left:6.24pt;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Is anyone able to provide more detail of what can't be represented without code? So far all I can think of is custom event handling & messaging. I was going to start work on (yet another attempt at) a GUI pipeline editor but I'll avoid wasting my time if it won't be useful.</span></font></p><p style="line-height:1.38;margin-left:6.24pt;margin-top:0pt;margin-bottom:0pt"><font size="2"></font></p></div></div></blockquote><div><br></div><div>Anything dynamic really. The most common would be linking of new pads based on the `pad-added` signal or even adding different downstream elements following that newly added pad.</div><div><br></div><div>Almost every non-trivial pipeline that doesn't just use playbin has such parts.</div><div><br></div><div class="-x-evo-signature-wrapper"><span class="-x-evo-signature" id="1413891225.21157.1@lotus"><pre>-- <br></pre><div data-evo-paragraph="" class="" style="width: 71ch;" data-evo-signature-plain-text-mode="">Sebastian Dröge, Centricular Ltd · <a href="http://www.centricular.com">https://www.centricular.com</a></div><div data-evo-paragraph="" class="" style="width: 71ch;"><br></div></span></div></body></html>