gfx/ycbcr/README

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/ycbcr/README	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,29 @@
     1.4 +This color conversion code is from the Chromium open source project available here:
     1.5 +
     1.6 +http://code.google.com/chromium/
     1.7 +
     1.8 +The code comes from svn revision 63840 on 2010-10-26.
     1.9 +
    1.10 +If you just want to check out this individual directory, use:
    1.11 +
    1.12 +svn co -r 63840 http://src.chromium.org/svn/trunk/src/media/base
    1.13 +
    1.14 +The code was copied from a Chromium svn checkout using the 'update.sh' script which then applies patches for our build and to add dynamic CPU detection.
    1.15 +
    1.16 +convert.patch contains the following changes:
    1.17 +
    1.18 +  * Change Chromium code to build using Mozilla build system.
    1.19 +  * Add runtime CPU detection for MMX
    1.20 +  * Move default C implementation to work on all platforms.
    1.21 +  * Change Chromium code to allow a picture region.
    1.22 +  * The YUV conversion will convert within this picture region only.
    1.23 +  * Add YCbCr 4:4:4 support
    1.24 +  * Bug 619178 - Update CPU detection in yuv_convert to new SSE.h interface.
    1.25 +  * Bug 616778 - Split yuv_convert FilterRows vectorized code into separate files so it can
    1.26 +    be properly guarded with cpuid() calls.
    1.27 +
    1.28 +win64.patch: SSE2 optimization for Microsoft Visual C++ x64 version
    1.29 +
    1.30 +TypeFromSize.patch: Bug 656185 - Add a method to detect YUVType from plane sizes.
    1.31 +
    1.32 +QuellGccWarnings.patch: Bug 711895 - Avoid some GCC compilation warnings.

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