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<div class="moz-cite-prefix">On 07/16/2014 08:48 PM, Stirling
Westrup wrote:<br>
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<div>Hi! We're currently trying to track down some sluggishness
in our pipelines while handling 4k videos. We wanted to
instrument a bunch of standard elements like videoscale and
videoconvert to see how their performance varied as frame
sizes increased.<br>
<br>
We had planned to use fpsdisplaysink with fakesink, but the
combination doesn't work.<br>
<br>
If we try something like this:<br>
<br>
gst-launch-1.0 -v videotestsrc pattern=1 !
"video/x-raw,format=YV12,width=1440,height=900" !
fpsdisplaysink video-sink=fakesink text-overlay=false<br>
<br>
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Then we never get any output on stdout past "New clock:
GstSystemClock"<br clear="all">
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<div><br>
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<div>Is there some way to fix this, or are there better ways
to measure the raw throughput of various elements under
various conditions?<br>
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I'd use fakesink sync=false and measure the time the pipeline runs.
You know how many frames your input has and you can take a base
measurement prior adding videoscale and videoconvert.<br>
<br>
Stefan<br>
<br>
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-- <br>
Stirling Westrup<br>
Programmer, Entrepreneur.<br>
<a moz-do-not-send="true"
href="https://www.linkedin.com/e/fpf/77228"
target="_blank">https://www.linkedin.com/e/fpf/77228</a><br>
<a moz-do-not-send="true"
href="http://www.linkedin.com/in/swestrup" target="_blank">http://www.linkedin.com/in/swestrup</a><br>
<a moz-do-not-send="true"
href="http://technaut.livejournal.com" target="_blank">http://technaut.livejournal.com</a><br>
<a moz-do-not-send="true"
href="http://sourceforge.net/users/stirlingwestrup"
target="_blank">http://sourceforge.net/users/stirlingwestrup</a>
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