<div dir="ltr"><div>Use the logging system. Start with 'export GST_DEBUG=*:3', look to see what is interesting and then make changes to get more detailed logging. Higher numbers give more logging.<br><br><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/section-checklist-debug.html">http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/section-checklist-debug.html</a><br>
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstInfo.html">http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstInfo.html</a><br><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/faq/html/chapter-troubleshooting.html">http://gstreamer.freedesktop.org/data/doc/gstreamer/head/faq/html/chapter-troubleshooting.html</a><br>
<br></div>There are others. Google is your friend.<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Jun 5, 2013 at 5:41 AM, Jacky Lau <span dir="ltr"><<a href="mailto:i90091e@gmail.com" target="_blank">i90091e@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi, all. I'm using playbin2 to play rtsp stream. As the server report audio and video availability but send empty audio data, playbin2 don't create video sink. And I want to trace the creation and destruction of GstElement and GstPad, and link and unlink of GstPads. How to do it?<br>

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