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In the beginning of encoding and bitstream packing,
the frame context in common of codec is copied to the frame context
in each tile.
Initial prob and context is based on flat probability and
does not come from table at the moment.

The bd-rate change for the test set objective-1-fast
on awcy with high delay mode is:

PSNR   PSNR  HVS  SSIM  CIEDE 2000  PSNR Cb PSNR Cr MS SSIM
-0.77  -1.05      -0.74 -0.67       -0.67   -0.77   -0.88

Change-Id: Ic9105ac68aceb7486cb5f6f1c0b19df5853f2cb9

In preparation for enabling backward updates of contexts for PVQ.
1. Default prob setting for PVQ,
which is based on flat probabilities at the moment.
2. At the end of encoding a frame, average probablities and expected values
of PVQ are copied to the frame context.

Change-Id: I1d087b98e6b0d55ebf8aef696dd986f88197cedf

Change-Id: I23b035340ed16b85a12856256d3115f19700dfb3

Change-Id: I367d5561f53f60df42c3ff6f334b1441c85788bd

When a global translation model is found, the only 3 bits
of precision are used for the motion parameters. This case
uses a smaller precision than the translation parameters
in a global model that is rotzoom or greater.
Change-Id: Ic972e9edf46e301f2894cce2b723960d0297c8e8

This fixes errors with EC_ADAPT where the CDF tables
are not built from 8-bit probabilities.

Change-Id: I2a35eef3d37503a8011db4089e11ba4da14bbf34

high-latency, cpu-used=0:
   PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-0.1650 |  0.2545 |  0.2977 |  -0.0423 | -0.0947 | -0.0725 |    -0.0365

low-latency, cpu-used=0:
   PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-0.4006 |  0.0501 | -0.0108 |  -0.1790 | -0.1660 | -0.1992 |    -0.2135

low latency, cpu-used=4:
   PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-0.5508 | -0.2445 | -0.2762 |  -0.1981 | -0.2878 | -0.2228 |    -0.3733

Change-Id: Ia20df28c8bbb6182215b02016053af33bd498145

Change-Id: I89e981c9396c7a1ba8051d65036a16692da94d0d

this also clears the remaining -Wshorten-64-to-32 warnings in this file.
the previous patch ported from libvpx was incomplete due to:
d3a7576f Add compiler flag -Wsign-compare

Change-Id: I105fa2342073dfa8bd0619b4282435fb6568f5c9

Change-Id: I4038d971455626c4c8e93b9b83e9155c5170349e

This commit integrates the level map coding within cb4x4 framework.

Change-Id: Ied9721df0a7ffd21d1d69d68759d91b6c320c179

Change-Id: I5dec82552b41a5523155b2dea9e05ce69fba4917

Change-Id: I215c4bed9ba5c7f4fc93533249610217de14ce54

Change-Id: Idfe23c1aef5d080567094af6e87d65bda3835ae5

Change-Id: I7b855a68c5fedda4e34bfcbbabafa9ba52c09735

Change-Id: I2fd1d6f32b1b395dfdbe556b96dddf65f3cabbbe

Change-Id: I4f7d37af84220971a839f4f8f42aafa1adeb04e4

Change-Id: Ia79346bcee77c20def193dc790da665d425539de

Remove the unused variable when cb4x4 is enabled.

Change-Id: I0d4d9ebd989cf90b9373d9989dd5e78b93d59e25

Change-Id: I35b2b69e3937e70a7923ba76735f035f366de27f

Change-Id: I00554b925c0a870e766bc116c6d9cb02bd47a101

Change-Id: I785a0fbef18adf7cbdbd4f09117d132c7fe69156

Reduces precision in find_affine_int() function. Makes the maximum
mv allowed 512 from 1024.
Negligible impact on coding efficiency.

Change-Id: I76d4c6824528e3f940d1275fe0bd22d71015a8d0

Change-Id: I4b77388fa49e29a8302fe8c3276471e8156ce2d5

This will make the code cleaner

Change-Id: I94622b696b0a8d51d28dbbe29c767a62942bc5f3

This was introduced in 72e2e982

Change-Id: Ia4d0a0606a518964d5f6f257874f8f3d5b4d651b

high-latency, cpu=0:
  PSNR | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
0.0817 | -0.4672 | -0.6651 |   0.1043 | 0.0968 |  0.1063 |    -0.1847

low-latency, cpu=0:
  PSNR | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
0.0860 | -0.7110 | -0.7393 |   0.1018 | 0.0946 |  0.1800 |    -0.1537

low-latency, cpu=4:
  PSNR | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
0.0097 | -0.8022 | -0.7514 |  -0.0115 | 0.0621 | -0.0092 |    -0.3804

Change-Id: I5c2eced295598771c7a74ec15a5f0eb84d872cc9

BUG=aomedia:395

Change-Id: I381f16e66e2540c9bf24727abf8915a3850dcc92

Change-Id: Id32a6a21ffda48ef16b027b55f9082614f389003

Running this test in Jenkins causes all but trivial changesets to
fail unless the hash is changed. Other changes in master
can meanwhile cause the hash to be out of date by the time
of merge even if it is changed, so rebases of previously
passing changesets will then fail again.

Change-Id: I4ee5010ceec85da7eedd8ada2d171f64a92491c1

This commit fixes a residual parameter set conflicts in function
copy_dering_16bit_to_16bit(), due to the change of cb4x4 support
approach in cdef to better respect od_dering.c as a codec
independent file.

Change-Id: I7e2295cf6a083729077374b13836909bb611d573

Change-Id: Ifd55343b701eb753537b9711abd377adcedde8ec

Change-Id: Ibe19f4422324680b0d3132eab79bdc035911d79d

Change-Id: I7ca73e03ed171b57a05dd1fd5957906e11b66728

Change-Id: I0f4576522a07597dbb04089b02ca1fae67075ba4

Move most of the code of inverse_transform_block to
av1_inverse_transform_block such that encoder can use the
function as well.

Use av1_inverse_transform_block in av1_encoder_block_intra.
This will make the code cleaner.

Change-Id: I84dbeef2c65e252910606dbea446ce43165d504c

This will simplify the code flow in av1_subtract_txb()

Change-Id: I575da4a74f435b5862d2a848bdedae9856672121

A simpler interface for intra block prediction

Change-Id: I97e3f385746928d87999e6862b1d71a197df0302

This function help us merge subtract block code in
av1_subtract_plane and av1_encode_block_intra.

Change-Id: Ie793d88a218f1082c6fe28900a521f461e34d564

Change-Id: I463d01ecf0ef2d666c38f9dec510b8b0b1eecadc