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Hello there, again Matteo from Italy.
I'm running GStreamer gst-launch application on Windows with all
the sources built with MinGW 32. Pipeline is very simple, I'm just
showing an MPEG4 video coming from an IP camera:
gst-launch-0.10 rtspsrc location=<RTSP URL> ! queue !
rtpmp4vdepay ! ffdec_mpeg4 ! d3dvideosink
Everything went fine with 0.10.35 series, i.e.: gstreamer and
plugins base 0.10.35, plugins good
0.10.30, plugins bad 0.10.22, gst ffmpeg 0.10.13, most important
CPU load is around 3%.
Then I upgraded to 0.10.36 series, i.e.: gstreamer and plugins base 0.10.36,
plugins good 0.10.31, plugins bad 0.10.23, gst ffmpeg 0.10.13 and
CPU load now is around 27%, but this is not sistematic. I mean, it
can happen (rarely) that CPU load is around 3% as above, but very
often it goes up to 27%. With further Investigations with Process
Explorer I found out that in the worst case there's one thread
that consumes up to 24% of CPU, while the rest goes normally.
Since rtpmanager calls occurred often in the stack trace, I
decided to recompile it with MSVC to get functions information and
then the very strange behavior: with it CPU load is always OK,
around 3% with no chance to reproduce the issue.
Frankly speaking I have no idea of what's happening, may you
please help me?
Many thanks in advance,
Matteo
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