[Bug 721701] Performance penalty for videoscale and I420 to BGRA for 1.2.0-1.2.2 and common ubuntu

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=721701
  GStreamer | gst-plugins-base | 1.2.2

--- Comment #8 from Wim Taymans <wim.taymans at gmail.com> 2014-01-09 17:21:23 UTC ---
This should bring it comparable to 0.10

commit 14b5999bca16d9ac18bdcd5905c472bec2fe247e
Author: Wim Taymans <wtaymans at redhat.com>
Date:   Thu Jan 9 18:12:00 2014 +0100

    videoconvert: rework YUV->RGB fastpaths

    Rework the orc code to be around 10% faster and support arbitrary matrices.
    Pass the matrix parameters to the YUV->RGB functions to make them work
    for all matrices. This enables more and faster fastpath conversions.

    See https://bugzilla.gnome.org/show_bug.cgi?id=721701

commit 5ca04cb79836ce817ce88189e97a1c41f3424686
Author: Wim Taymans <wtaymans at redhat.com>
Date:   Thu Jan 9 18:08:41 2014 +0100

    videoconvert: fix I420 to BGRA fast-path some more

    Calculate alpha value differently so that we can avoid running out
    of registers.

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