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* changes:
  Remove speed feature of ext_interp experiment
  Refactor: handle_inter()

Change-Id: I1d9349a07ffd85991fc5673354d3ceff3404b358

Support automatic scale for mapping between transform block size
and pixel block size.

Change-Id: I141b0477a85c0dcc5f99b4e5d880cfccfae6d316

Purpose:
-Reduce dynamic range of interpolation filter coefficents from 8
bits to 7 bits.
-Inner product for 8-bit input data can be stored in a 16-bit signed
integer.

Impact on compression efficiency:
-Marginal improvement, typically less than 0.5% BDR.

Change-Id: I58d1408307ae7d2a6f9de8965c5877b258703199

Change-Id: Ia09edf92bf9f7ecacc65c232ac6e656cde236634

Use table to replace the arithmetic computation for mapping between
transform block and pixel number. Support automatic scale of block
size and transform block size.

Change-Id: I84766850172265d4295f418383dbc5e6e5838ec8

This is to facilitate the refactor process

Change-Id: I6faedb29129b47abefe20821dc3f32a43db149d8

Change-Id: I7593ff2f8949d8bc26ca1c8577faaefb09640b59

Make the parenthesis symmetric
Replace interpolation filter mode number by macro

Change-Id: Ic6586114c4cebe920b950e1b3adc8ebc764d4713

Avoid applying unary minus operator on unsigned type

Change-Id: Ibc60541837eef06810f5be0aaa7fef9edcc8f8a4

- Eliminate the awkward _av1 suffix/infix in local variable names.
- Lift bitdepth selection out of the token loop.

Change-Id: I26d3397464f7808e0481a804033a93ca4f01f5d5

The decoder is already linear so changing these tables would just create
a mismatch.

Change-Id: Ib888c0dc273e089c38298f569bb35b6e4c32dd60

This is a follow-up to 1195a396.

Change-Id: I4db554e5d88290d55258062e29a1652707d91037

It is no longer used anywhere.

Change-Id: I5d40664373d66821c5382f6155302b8719ce58c0

This change is similar to the one done for choose_tx_size_from_rd in
daf841b4

It gives a 4% speed-up on bus_cif.y4m with the following settings:
--cpu-used=4 -p 1 --end-usage=q --cq-level=40 --tile-columns=0 --tile-rows=0

Change-Id: Ic54fe4a066a2c0b5f6349d80cd13de8bb8ddcabc

Seems to be dead code

Change-Id: I17b3edc9e82d6a1da172a686522358a6b1a630e9

Change-Id: I4b18dbfb013c9805cb23083a68560ab212a0867a

last_frame_type is not well defined for intra_only frames
if we are decoding them out of order.
This change removes a dependency on last_frame_type for these frames.

Change-Id: I440cac68792714de222e192a0b3e75f6e1aa5e4b

Performance improvement
        BDRate
lowres  0.921%
midres  0.730%
hdres   1.019%

Change-Id: I26208d6c0531937bff44de505b4ea355c7852802

* changes:
  Palette: Generate encodings automatically from tree.
  Palette + Ext-Intra: shadowed declaration fix.