<div dir="ltr">Also what does "top -H" look like while your pipeline is running?</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Oct 11, 2013 at 10:05 AM, Robert Krakora <span dir="ltr"><<a href="mailto:rob.krakora@messagenetsystems.com" target="_blank">rob.krakora@messagenetsystems.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"><div>Hi Adrian,</div><div><br></div>What is the result if you run audio only with 1.2.0? What is the result if you run video only with 1.2.0?<div>
<br></div><div>Best Regards,</div><div><br></div><div>Rob Krakora</div>
<div><br></div></div><div class="gmail_extra"><div><div class="h5"><br><br><div class="gmail_quote">On Fri, Oct 11, 2013 at 9:52 AM, Adrian Pardini <span dir="ltr"><<a href="mailto:listas@tangopardo.com.ar" target="_blank">listas@tangopardo.com.ar</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello all,<br>
<br>
I'm working on a python (with gi) application where most of the time<br>
my pipeline is something like:<br>
<br>
audio bin: [ alsasrc ! queue2 ! caps ! volume ! tee ] ! queue2 !<br>
(adder/liveadder , volume and sink)<br>
video bin: [ v4l2src ! queue2 ! caps ! tee ] ! queue2 ! (videomixer and sink)<br>
<br>
At some point I create a bin to hold a muxer (avimux or matroskamux)<br>
linked to a filesink, then I link the mux to the tees with a queue2<br>
between and after that call sync_state_with_parent() on the bin.<br>
<br>
With 1.1.4 it works flawlesly, however with 1.2.0 the pipeline freezes<br>
for a while and sometimes resumes playing but with a lot of video<br>
stuttering and no audio.<br>
<br>
Thinking about <a href="https://bugzilla.gnome.org/show_bug.cgi?id=692953" target="_blank">https://bugzilla.gnome.org/show_bug.cgi?id=692953</a> I<br>
replaced the alsasink I had by a fakesink with sync=true and I got on<br>
the console:<br>
<br>
audiobasesrc gstaudiobasesrc.c:852:gst_audio_base_src_create:<alsasrc0><br>
create DISCONT of 6400 samples at sample 676800<br>
audiobasesrc gstaudiobasesrc.c:857:gst_audio_base_src_create:<alsasrc0><br>
warning: Can't record audio fast enough<br>
audiobasesrc gstaudiobasesrc.c:857:gst_audio_base_src_create:<alsasrc0><br>
warning: Dropped 6400 samples. This is most likely because downstream<br>
can't keep up and is consuming samples too slowly.<br>
<br>
<br>
With the alsasink back also appears:<br>
<br>
audiobasesink gstaudiobasesink.c:1274:gst_audio_base_sink_skew_slaving:<audio<br>
sink> correct clock skew 3170231239 > 20000000<br>
audiobasesink gstaudiobasesink.c:1580:gst_audio_base_sink_get_alignment:<audio<br>
sink> Unexpected discontinuity in audio timestamps of<br>
+0:00:00.040000000, resyncing<br>
audiobasesink gstaudiobasesink.c:1274:gst_audio_base_sink_skew_slaving:<audio<br>
sink> correct clock skew 3503665481 > 20000000<br>
<br>
but still fails. Using slave-method=0 (resample) on the alsasrc kind<br>
of improves things but not by much.<br>
Setting the whole pipeline to READY or NULL before linking the muxing<br>
bin works but it is not acceptable for my use case.<br>
<br>
I tried using gst-plugins-base from 1.1.4 with the rest of the system<br>
at 1.2.0, same results. I compiled a few versions of gst* in between<br>
but as far as my testing goes 1.1.4 is the first that works.<br>
<br>
I'm kind of lost as to where to look now, any thoughts?<br>
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<p><font face="Arial, sans-serif"><font size="4">Rob Krakora</font><font size="4">,</font><br>Senior Software Engineer</font></p><p><font face="Arial, sans-serif">MessageNet Systems<br>101 E Carmel Dr, Suite 105<br>Carmel, IN 46032</font></p>
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</font><a href="mailto:rob.krakora@messagenetsystems.com" style="color:rgb(17,85,204)" target="_blank"><font color="#1155cc"><font face="Arial, sans-serif">Rob.Krakora@MessageNetSystems.com</font></font></a><font face="Arial, sans-serif"><br>
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