<html dir="ltr"><head></head><body style="text-align:left; direction:ltr;" bgcolor="#f7f7f7" text="#2c2c2c" link="#0080ff" vlink="#2c2c2c"><div><br></div><div>On Wed, 2019-11-20 at 11:52 -0600, Kenneth Emerson wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div dir="auto"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">Iave 2 HDHR tuners: a quttro and a dual. All programming is OTA. All recordings are perfect except for 1 channel (NBC). Watching recordings from this channel breaks up for 1 second or less whenever there is a large change in the picture like when the broadcast throws up an ID banner for the news program. It's as if the stream is missing a type 'A' frame so it pixelates until it gets the next A frame.</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">So I have experimented as follows:</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">Check signal with HDHR app: 100% for all three measurements</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">use all the tuners (total of 6) -- all have the problem</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">Connect a different antenna: same problem</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">Disable commercial flagging: same problem</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">Connect antenna to TV (live-no mythtv): perfect picture</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">Use smart TV's software to connect directly to HDHR: perfect picture</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">This tells me something is happening while reading/writing the stream by the backend. I'm running v30 on Ubuntu 16.4. None of the other channels exhibit this behavior. The problem is definitely in the recording and not the playback.</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">The recordings aren't unwatchable, just (very) annoying. I don't know what else to try besides reinstalling everything including upgrading to Ubuntu 18.04. Does anyone have any ideas less drastic?</span><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><br style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)"><span style="color:rgb(51,51,51);font-family:"lucida grande","trebuchet ms",verdana,helvetica,arial,sans-serif;font-size:13px;background-color:rgb(225,235,242)">-- Ken Emerson</span></div>
<pre>_______________________________________________</pre><pre>mythtv-users mailing list</pre><a href="mailto:mythtv-users@mythtv.org"><pre>mythtv-users@mythtv.org</pre></a><pre><br></pre><a href="http://lists.mythtv.org/mailman/listinfo/mythtv-users"><pre>http://lists.mythtv.org/mailman/listinfo/mythtv-users</pre></a><pre><br></pre><a href="http://wiki.mythtv.org/Mailing_List_etiquette"><pre>http://wiki.mythtv.org/Mailing_List_etiquette</pre></a><pre><br></pre><pre>MythTV Forums: </pre><a href="https://forum.mythtv.org"><pre>https://forum.mythtv.org</pre></a></blockquote><pre><br></pre><pre>maybe caputre stream with hdhomerun_config command line utility to tune and capture stream away from myth and </pre><pre>see if that capture exhibits the same thing.</pre></body></html>