<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none"></style> </head> <body dir="ltr" style="font-size:12pt;color:#000000;background-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;"> <p>Hi<br> </p> <p><br> </p> <p>Maybe try adding a queue in the pipeline, or setting "sync=false" for the xvimagesink.<br> </p> <p><br> </p> <p>Gary<br> </p> <div style="color: rgb(33, 33, 33);"> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> gstreamer-devel <gstreamer-devel-bounces@lists.freedesktop.org> on behalf of Pavel Myuller <pavel.myuller@gmail.com><br> <b>Sent:</b> 21 August 2020 08:56<br> <b>To:</b> gstreamer-devel@lists.freedesktop.org<br> <b>Subject:</b> Slowly growing memory usage with H264 decoding</font> <div> </div> </div> <div> <div dir="ltr"> <div>Hi All,</div> <div><br> </div> <div>I have a problem with this command:</div> <div><br> </div> <div>gst-launch-1.0 filesrc location="file.mp4" ! qtdemux ! avdec_h264 ! xvimagesink</div> <div><br> </div> <div>GStreamer version is 1.16.1 from Ubuntu 19.10 distribution (also reproduced on 1.16.2)<br> </div> <div><br> </div> <div>The memory usage of the gst-launch process is continuously growing while the file is being played. The rate of growth is very slow at ~1MB/7min.</div> <div><br> </div> <div>If I replace xvimagesink with fakesink, the memory grows much faster until the file is successfully decoded. Steadily from ~140MB to ~170MB for 4 hour video.</div> <div><br> </div> <div>This problem persists with playbin and decodebin elements.</div> <div><br> </div> <div>If I replace source H264 video with the one encoded in VP9, the problem goes away. Any other H264 video exhibits this problem.<br> </div> <div><br> </div> <div>Anyone else experienced this? What can I do to diagnose the issue better?</div> <div><br> </div> <div>Thanks you in advance,<br> </div> <div> <div><br> </div> <div>Pavel Myuller.</div> </div> </div> </div> </div> </body> </html>