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This computes global motion parameters between 2 frames by
matching corresponding points using FAST feature and then
fitting a model using RANSAC.

Change-Id: Ib6664df44090e8cfa4db9f2f9e0556931ccfe5c8

Frame can be split into rectangular tiles for application of separate
bilateral or Wiener filters per tile. Some variable names changed for
better readability.

Change-Id: I13ebc4d0b0baf368e524db5ce276f03ed76af9c8

Change-Id: I0cc3523a8992f889f8dd203449ceb55f2a422324

Change-Id: Ifde4d57957219560e01ebd1657f1c0721f041054

Change-Id: Id4c764198549a60d98e5c4a74083972b97da5b81

Change-Id: I56890c813de1b366e4ef482d9fc6da81034636ab

For rectangular blocks between 8x8 and 32x32, we can now code the
transform size as one bigger than the largest square that fits in
the block (eg, for 16x8, we can code a transform size of 16x16
rather than the previous maximum of 8x8), when this oversized
transform is coded in the bitstream, the codec will use the full
size rectangular transform for that block (eg 16x8 transform in
the above example).

Also fixes a scaling bug in 16x8/8x16 transforms.

Change-Id: I62ce75f1b01c46fe2fbc727ce4abef695f4fcd43

This commit separate the frame index of EXT_ARFs' from other frame
types in the ext-refs setting.

It improves the average RD performance by

0.206% in the lowres, and
0.173% in the midres.

The overall gains for the ext-refs compared to the baseline are

5.665% in the lowres, and
4.883% in the midres.

Change-Id: I6591ad29120880c1aef0bd0b7cf15238c3f3b8f3

Change-Id: Ie1416569e73e66518cdb2765d79a2fb3dd570489

2 bugs were fixed in VP9.
https://chromium-review.googlesource.com/#/c/366873/
https://chromium-review.googlesource.com/#/c/368440/
Fixed them in VP10 as well.

Change-Id: I2e53fabc6131ff80ba6dcfd4c73eb76c59b4c474

Change-Id: I600af6a66dc0e1310c8bfc7c16efa8a82e90856d

rd_pick_palette_intra_sby() method is called only when,
cpi->common.allow_screen_content_tools is on. So, no need to check that
again. We just use an assert() instead to still be safe.

Change-Id: I19785c2aac016798c8d331bbe91971b3806b73a8

Adapt rectangular txfm experiment to syntax/tokenization/loopfilter
framework of VAR_TX

Change-Id: Idcb005ecf5b3712de3e1cccb0d811ca16d87af24

"vpx-highbitdepth" config doesn't exist.

Change-Id: Ib6d3691454299bb381ecc75b80657fbebf9f59b2

Change-Id: Ie7c78e19e077516615c71669022f505f8b3c80ca

Change-Id: I65507c3d132b2b3ba90cf0a7b1c729da7d3de15f

Reintroducing some fixes that were dropped inadvertently in
course of rebasing.

Change-Id: I5f51160c586010590d4bfd5cf225fb21347b0a40

This fixes two MSVC compiler warnings.

Change-Id: I55ad8833676e20c2c4a55885b99a7a9293d9623f

Originally, only bi-pred type of frames can use BWDREF. When
extra alt-refs are inserted in a gf group, the closest alt-ref
serves as ALTREF for the frames within the corresponding
subgroup. Therefore, the original alt-ref can be used as BWDREF
for the LF_UPDATE type of frames.

This patch further swaps the virtual indices of BWDREF and ALTREF
for those frames whose BWDREF is farther than ALTREF. As a result,
the BWDREF is always the closet backward reference frame, and the
ALTREF is the farther one.

It improves the average RD performance by

0.132% in lowres, and
0.030% in midres.

The overall gains for the ext-refs compared to the baseline are

5.486% in lowres, and
4.666% in midres.

Change-Id: I22e4e5f378f19c4c89196a0a5e9214adb46c3428

Change-Id: Ie283af5f30324f54b4f749becdb48f937584707d

Change-Id: I02f44713b99284092ecfc50ce7ab268e91d2c6f8

This function was previously unused and removed in
I6bc740e778658d6f81ca54888fc6fa822d3b5ee0. I am adding it back in
with previously suggested fixes.

Change-Id: Iee0afb39170d25895b11d07e71843eae6913efd1