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Sarah Parker authored
The hbd transform configurations were originally written for all possible 2d transforms. Now that there are many more possible 2d transforms due to EXT_TX and RECT_TX, it is simpler to write the cfg for the 4 1D transform types and compose them to make all new possible transform types. This will allow for an easier integration of the identity transform for EXT_TX and rectangular transforms for RECT_TX into the current hbd transform codepath and facilitate the removal of obsolete transforms. This has no impact on performance. BUG=aomedia:524 Change-Id: I1e217bcd217fd637b1df94fae62d9c59a0523c1a
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