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Change-Id: Id01c785ad48134075c4f6643233413564f0b8fbc

Change-Id: I3d64ec4bbc72143b30a094ece7a6c711d6b479cd

* Change Wiener filter storage to match the format expected
  by the convolve functions

Change-Id: I4d1fb08a13cfc31e69e12c1cb4b2e510c6d8ae30

This will support adapting in each tile.

(https://bugs.chromium.org/p/aomedia/issues/detail?id=71)

Change-Id: I3eced47715749a48f78c4ccf151c4d0b58f36c0d

When segment feature is on, frame level cm->tx_mode can be set to
ONLY_4X4 only if all segments are lossless. Otherwise will cause
bugs when xd->lossless[i] is 0 and xd->lossless[0] is 1.
Also fix the condition of coding tx_type, which should be on when
the qindex of current segment is > 0.

BUG=aomedia:106
BUG=aomedia:104

Change-Id: Ic076083bb78b3b99a6f7d17ec82ee402c64bcc52

At the final round of encoding of each superblock, will go through
each prediction block to check if ncobmc mode is better than non-
overlapped prediction. Note that causal obmc mode is dumped here.

PSNR gain (MOTION_VAR + NCOBMC): -2.845% lowres

Change-Id: Ibe504f7f1882446a08ba426e1e9824bca73bf655

These are under EXT_TX + RECT_TX experiment combo.

Results
=======

Derf Set:
--------
All Intra frames: 1.8% avg improvement (and 1.78% BD-rate improvement)
Video: 0.230% avg improvement (and 0.262% BD-rate improvement)

Objective-1-fast set
--------------------
Video: 0.52 PSNR improvement

Change-Id: I1893465929858e38419f327752dc61c19b96b997

At the edges of the picture only a subset of partitions are legal. Add
new contexts for these borders so they don't distort the probabilities of
the interior of the image where all partitions are legal.

Only include one context for each block size of each border direction
because so few blocks fall into these contexts to begin with.

objective-1-fast:
   PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-0.0294 | -0.0911 | -0.2382 |  -0.0481 | -0.0441 | -0.0450 |    -0.0454

derf144: -0.135
lowres: -0.124
midres: -0.076
hdres: -0.078

Change-Id: I909b98eebb7e49273cde90154c8408febe334158

In order to use mvs from a future block in obmc, we first send mbmi
info for the entire superblock, and then call another recursion to
handle the coeffs and recon.

Note: this change is currently not compatible with SUPERTX, later I
will move detoken and recon for supertx to a proper place

Change-Id: I19ab77fa137f53a370e68ea777f70d0306e3e303

In order to reduce the code complexity for handling parameter
coding and recon separately for each 64x64 in non-causal obmc
experiment, we break them down to two steps calling separate
functions, one for params, the other dealing with coefficients
and recon(decoder side).
Note: actually the non-causal prediction can use the original
syntax, but right now in the decoder coeff detoken and recon are
heavily nested.

Change-Id: I72d9c42ab8f38b57850d6b0481551893f1702822

Change-Id: I4a0f0a775362e6e43cd28ed29bf83c912cdc7df5

Change the od_decode_cdf_adapt() function to take an aom_reader
 struct instead of an od_ec_dec struct.
Rename od_decode_cdf_adapt() to aom_decode_cdf_adapt().

Change-Id: I0713d2f56acfea3f67f1b4087c0feee77c2e25cb

Slight improvement in midres and hdres sets of 0.02% and 0.0.9%
respectively.

This is also a better design anyways.

Change-Id: I15b60b8836070a2132641e5b1d8e9f68df426c08

Change-Id: I56e741551f74624a84250d7565520db9c5127d1b

Replace hard coded 4x4 transform block step size assumption with
scalable table access.

Change-Id: Ib1cc555c2641e5634acdd91ca33217f00aeb0b89

Enables Wiener based loop restoration only for the UV
frames. The selfguided and domaintranform filters do not
work very well for UV components, hence they are disabled.
For each UV frame a single set of wiener parameters are
sent. They are applied tile-wise, but all tiles use the
same parameters.

BDRATE (Global PSNR) results:
-----------------------------
lowres: -1.266% (up from -0.666%, good improvement)
midres: -1.815% (up from -1.792%, tiny improvement)

Tiling on UV components will be explored subsequently.

Change-Id: Ib5be93121c4e88e05edf3c36c46488df3cfcd1e2

Change the generic_decode() function to take an aom_reader struct
 instead of an od_ec_dec struct.

Change-Id: Ifa19ab1dbdd9fa1af19e6740839708b27ab4a44b

Use the generic AOM entropy decoder in the daala_dec_ctx struct.
This is done in preparation for migrating other entropy coder calls to
 use the more generic entropy coding API.

Change-Id: I473a278174195401bcf35730fb5db7eb368b097a

Change-Id: Ic0eba16329d7b63dd7d18e9cd28b89be4b5f2710

This CL aims at simplify transform code.

Change-Id: Ibaf1dd8607e37d44a0f77788a72e344583f81fa0

Change-Id: I6ce654b582f2a9d45a40bf22ba597b47d418a0be

This commit adds a new experiment to allow disabling of loop filtering
on tile boundaries. It is implemented by adding a syntax field
"loopfilter_across_tiles_enabled" into the uncompressed frame header. 
If it is set to 0, decoder and encoder will disables loop filtering for
block edges that are also tile boundaries.

Change-Id: Ib80bfd82d49c74f1ba46ae18ceedb30704ac8aa5

If --enable-entropy-stats is on, the aggregate counts for each
frame are written out to a file named counts.stt.

Change-Id: I0c73ab872183a9dbd6d767a8c6f0642c5c117253

This commit allows the sub8x8 blocks to compose and filter their
chroma components for supertx in cb4x4 mode. The coding gains of
supertx and cb4x4 are largely additive:

          supertx      cb4x4       cb4x4 + supertx
lowres     -1.0%       -2.7%        -3.64%
midres     -0.8%       -1.3%        -2.10%

Change-Id: Ie7d09f6fceb36ce375e56773728f05dd628786fe

This makes the cb4x4 mode support supertx experiment. It resolves
the enc/dec mismatch issue when both experiments are turned on.

Change-Id: If3f70fb26862b4ea95d73f7030f86a399051e21e

Use table access to replace integer to enum conversion.

Change-Id: Idb3e7e2e3267bccf322cffbe4bfaa969e9018296

This commit makes the cb4x4 mode support supertx operation.

Change-Id: I1a713b2268c1029aebeb43aa6aeb0fa37b16810f

Avoid comparing values from different enums.

Change-Id: I405f87942a64e86bda899b84a142c4d64414dd81

Change-Id: I53d1383bfe70e0508b0c91d77931a21be2b91682

BUG=aomedia:115

Change-Id: If67821ed084b01f26287ac5e032d4f5fd5a83024

Change-Id: I3c52a4759780d987d045bb7b34a27ee9f7f55117

Replace hard coded numbers with table access. Avoid comparing
values from different enums.

Change-Id: I43216db4a9b13ee317e8e517683946f526e5ca0e

This commit allows the forward model update for 2x2 transform
block size.

Change-Id: Ie08c401e488b3872be0d92640468857f0aa0d0b3

Change-Id: Ia1757d580dd230d9e743b1f8c3e87df164008684

Change-Id: I62b662052a4b9b1de07575824410aa9b2ce2c924

Change-Id: I0005c896a243275c052a0163a5da0f9230071743

Stop reading partition information at 4x4 block.

Change-Id: I2b33f5ad307aa3051a1b1e230b7f6953ec6cecc6

Includes:
Some cleanups/refactoring
Better buffer management.
Some preps for future chrominance restoration.

Change-Id: Ia264b8989b5f4a53c0764ed3e8258ddc212723fc

Turned off, by default.

TODO: The distortion function of Daala should be added
to complete the activity masking working.

Note that PVQ QM matrix (i.e. scaler for each band of
transform block) is calculated in decoder side as exactly same
way in encoder. In Daala, this matrix is written to bitstream
and decoder does not generate it.

Activity masking can be turned on by setting below flag as 1:

Change-Id: I44bfb905cb4e0cad6aa830a4c355cd760a993ffe

Unify the block decoding process for all coding block sizes.

Change-Id: I7bfb482e9b5266f144e280b3ed713927a5ddc572