[gstreamer-bugs] [Bug 614466] videomixer makes some formats grayscale

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=614466
  GStreamer | gst-plugins-good | unspecified

--- Comment #11 from Stefan Kost (gstreamer, gtkdoc dev) <ensonic at sonicpulse.de> 2010-04-19 12:02:58 UTC ---
While I have no luck with the finding the issue of the asm code, I also
compared the speed

time gst-launch-0.10 -q videotestsrc num-buffers=10000 !
video/x-raw-yuv,format="(fourcc)I420" ! videomixer sink_0::alpha=1.0 ! fakesink
sync=false

mmx-version:
real    0m8.810s
user    0m8.781s
sys    0m0.020s

real    0m9.035s
user    0m8.737s
sys    0m0.224s

ordinary memcpy:
real    0m7.027s
user    0m6.928s
sys    0m0.072s

real    0m7.321s
user    0m6.928s
sys    0m0.364s

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