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mdcounts seems no longer used.

Change-Id: Idd8162e8acfa3f5be7a18767156cc79ccbc2bdee

In current code, motion vectors got from single prediction mode are used
in compound prediction mode directly. These motion vectors may not give
accurate prediction since they are searched independently. In this patch,
we took Pascal's suggestion, and did joint motion search in compound
prediction mode to find better motion vectors in this situation.
Test results:
Overall PSNR: 0.570%(derf), 0.918%(stdhd);
SSIM: 0.572%(derf), 1.009%(stdhd);

The encoder is a little slower. This can be improved since some c
code is used in motion search.

Change-Id: Ib30c9240f6c56c9b070867b4ca89412a76d9f3c6

Change-Id: I49527ff8dd8bef1074c18a964fed2a575f0b118a

Change-Id: I4374b5af40ee9082ddf7956a9756a15ad9ad5436

Makes the temporary storage of the filtered data agnostic to
the number of planes and how they're subsampled.

Change-Id: I12f352cd69a47ebe1ac622af30db29b49becb7f4

Delete code under the CONFIG_CODE_ZEROGROUP flag.

Change-Id: I5fe6c7b42a5da9b73118e33594301da4129f320a

Change-Id: I71311a14f8d7f48508b250f25d1d0914c6a1ac72

Delete code under the CONFIG_COMP_INTERINTRA_PRED
flag.

Change-Id: I3d1079cf46305c08f7e11d738596ea112e7b547f

Clean out code relating to newbintramode.

Change-Id: Ie91f4f156cdf60ce0da8ca407c1c9cb00c7d0705

Macro ab4x4 contains experiments for recursive partition down to
4x4 block size.

Change-Id: Ic727842fa98a4df9fd51e0025a545dc76a5c76c1

Use unified function pointers to variance_.

Change-Id: I78891bede56e73306851808d96f09dc0d3d8074e

Code previously set up the pointers by scaling by MI_UV_SIZE, which
is 4:2:0 only.

Change-Id: Ic13a92895cff018ec1345736746ed84cb31e6e31

Pull sb8x8 out of experimental list. verified via borg run tests.
Fixed unit test failures.

Change-Id: I12a4bbd17395930580c048ab68becad1ffe46e76

Iterating over all planes in the loop instead of custom y,uv code inside
handle_inter_mode function.

Change-Id: I301f9276d6d544c2fd7203d84f1318ac80ea625d

Disable the use of scaled reference frame for motion search in
SPLITMV mode. This fixes the unit test failure issue triggered
when merging sb8x8 from experimental list.

Change-Id: I02ac25fd8db8d5762f8fee29513b947189875fa0

Change-Id: I1df17f45721c690d157800daa6a0b377e3d32bc2

This allows removing a large number of transform size specific functions,
as well as supporting 444/alpha by routing all code through the
subsampling-aware path.

Change-Id: Ieb085cebe9f37f24fc24de179898b22abfda08a4

Change-Id: I61ef1f198c876f9f79787ea7d7385a862cfbae19

Change-Id: I51c53692b1150005645bf362c5e5a8275178a8fd

Change-Id: I07aa89a67e0ac5f99ef0c448553dbc46b0ed27f2

Change-Id: I390bb1cedc835f439fd5dd6cda6572b29cbb139c

Work-in-progress, not yet ready for review. TODO items:
- bitstream writing (encoder) and reading (decoder)
- decoder reconstruction

Change-Id: I5afb7284e7e0480847b47cd0097cb469433c9081

Moving code from vp9_pack_bitstream to new function encode_segmentation.

Change-Id: I1f1e59a1f038618ad95162b7db4b6f8164850ea8

Output changes slightly because of a minor bug in (at least) the sb32x16
block2above tx16x16 tables that previously existed in vp9_blockd.c.

Change-Id: I624af28ac200a8322d64454cf05c79e9502968cc

Change-Id: I3a6d601e90e8740b9c26dd0afbfe9d467b75d367

Change-Id: I087e08e7909a406b71715b8525c104208daa6889

All members can be referenced from their per-plane counterparts, and
removes assumptions about 24 blocks per macroblock.

Change-Id: I7ff2fa72d22c29163eb558981c8193765a8113d9

Access these members from MACROBLOCKD instead.

Change-Id: I7907230dd473ff12ebe182b9280d8b7f12a888c4

This originally was "Removed update_blockd_bmi()".  Now,
this patch removed bmi from blockd and uses the bmi found
in mode_info_context.  Eliminates unnecessary bmi copies between
blockd and mode_info_context.

Change-Id: I287a4972974bb363f49e528daa9b2a2293f4bc76

There were 4 variants of the quantize loop in vp9_quantize.c, now
there is 1.

Change-Id: Ic853393411214b32d46a6ba53769413bd14e1cac

Change-Id: I552d53f7e7331e9246d8a32d6c6dcc0cfa0cbeb0

Basic assumption: when talking about transform units, use b_; when
talking about macroblock indices, use mb_.

Change-Id: Ifd163f595d4924ff892de4eb0401ccd56dc81884

Access these members from MACROBLOCKD instead.

Change-Id: I2574622e577bb9feede47f6b7ccbb11f3e928ca8

The underlying storage for these buffers is in the per-plane MACROBLOCKD
area, so read it from there directly.

Change-Id: Id6bd835117fdd9dea07db95ad06eff9f12afaaf7

This data can vary per-plane, but not per-block.

Change-Id: I1971b0b2c2e697d2118e38b54ef446e52f63c65a

All members can be referenced from their per-plane counterparts, and
removes assumptions about 24 blocks per macroblock.

Change-Id: I593fb0715e74cd84b48facd1c9b18c3ae1185d4b

Change-Id: I2d32d46002cb92c63050c2b8328865c406103621

Move rectangular superblock coding out of experimental list.

Change-Id: I96c37547d122330d666a67b4bf577ae54547857f

This commit enables selecting probability models for recursive block
partition information syntax, depending on its above/left partition
information, as well as the current block size. These conditional
probability models are reasonably stationary and consistent across
frames, hence the backward adaptive approach is used to maintain and
update the contextual models.

It achieves coding performance gains (on top of enabling rectangular
block sizes):
derf:   0.242%
yt:     0.391%
hd:     0.376%
stdhd:  0.645%

Change-Id: Ie513d9673337f0d27abd65fb566b711d0844ec2e

Lookup the data per-plane from the MACROBLOCK struct.

Change-Id: I9253c4d3cf886aa9ab4aeab23a2156bfcf994ede