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This patch forces DAALA_EC on by default and removes the dkbool coder.

Change-Id: Icd2ff08efd7bf467adf554344111473cb357adf8

Use recursive transform block coding order.

Change-Id: I6d4671fe669e8a1897e034973de181078272cbfd

Change-Id: Ia0eb3a3694fdbe9d33548ff4014b704b2f3db86a

Frame level guided filters are now used as an option for
chroma components in addition to the Wiener filter.

Change-Id: Ie33299d22c15b69741ede55686177b7b8ce8e2b3

Change-Id: I33e78f2677083df7b7385f4a2989e9d599bbf5c7

Change-Id: I1939cfe48570d9c797fd29d12ebcc9213388951a

It gives 0.1% gain on lowres and midres

Change-Id: I555a492a68571c525713840d73aa5614fe80a87d

Change-Id: I640cf08ac583ff5092a18e81cd0e33f05609db6b

Process transform block individually in the var-tx scheme.

BUG=aomedia:540

Change-Id: I37fc6b6d417ff1dd3c9a12e6a97091fc20204f23

The superres scale was accidentally only sent if the current frame was
a key frame or if the current resolution was not used by any of the
reference frames. This patch separates the superres scale from the
current resolution to simplify its coding and makes sure that it is
written for every frame.

Change-Id: I419912c833cdc9670fc5a8ea1d67393d72ce402d

Change-Id: Ic04bd1ac62ea35082883d0560f91843040e35a64

Harmonize the low-bitdepth and high-bitdepth.

Change-Id: I533f717ca189a5e577719821ea5aea940e3b6223

Change-Id: I0ed6d8f2b6a83641f65096cf41fcde94e70d94d4

Change-Id: I4d8485d2bbe5348338eb909d969a0ca4b598a6b8

Change-Id: I2ad15784cbc238fa4b0f993bfa64c06591ece5e9

Adds handling needed for the pre-encode downscaling for superres
encoding. Makes use of the existing resizing functionality, just
adjusting the target resolution after the resize logic and before the
resize has actually occurred.

Since the upscaling portion of superres is not yet implemented, superres
scaling is not yet allowed to trigger. The numerator is set to be equal
to the denominator and the superres_pending flag is not set.

Change-Id: Ia5dac752d653c3bda319f0c8196e95bac2c8c554

wikipedia_420.y4m
PSNR: -1.5035 PSNR-HVS: -1.2607 SSIM: -1.1581

Change-Id: I6e6c4bd9671427b99299df39ff0f42af7daf8ce7

Get a list of palette base colors that are used in the above and
left blocks, referred to as "color cache". For each cache color,
signal if it is present in current block's palette, so that we
don't need to transmit their raw values.

When palette-delta-encoding is enabled, compression is improved
by 2% on keyframe and 1% overall for the screen_content testset.

Change-Id: I4cb027f1904aa9d0ab1c8f00ea9ee34bf5f16234

To avoid writting out uninitialized signs for CfL alpha, checks are
added in the write_cfl_alphas function.

Change-Id: I832875e496a6318132c82bc1e5406dc95ae9c055

Use CONFIG_INTERINTRA to properly separate interintra from the basic
ext_inter experiment.
When macro REDUCE_INTERINTRA_MODES is 1, only 4 ii modes are enabled
so as to reduce the complexity overhead.
(Right now the flag is off)

Change-Id: Iec6f36a1000f181adbb822ad66c7d5b2625e9cc7

Change-Id: Id14d83bdce8321bef81972a4f5530a50589d9578

Change-Id: I325f781759c1087815a38ff7c12ea31b8e444575

Remove redundant #if statements and condition checks.

Change-Id: Ic7885564f21730ca67279202a9bcd51f45a04414

Change-Id: I110f7b6cad1935351f8d379bc8a208363e07ecd0

objective-1-fast results:

sequence       PSNR    PSNR HVS    SSIM    CIEDE   APSNR   MS SSIM VMAF
average        -0.02    0.01       -0.02   -0.03   -0.02    0.00    0.06
1080p           0.02    0.01        0.03    0.00    0.01    0.02    0.09
1080p-screen   -0.32   -0.28       -0.32   -0.44   -0.31   -0.27    0.00
360p            0.06    0.14        0.10    0.10    0.08    0.11    0.22
720p            0.00    0.04       -0.05    0.01    0.00   -0.01   -0.10
wikipedia_420  -1.04   -0.95       -1.05   -1.30   -1.03   -0.88   -0.29

Change-Id: I30ce8a869daf1c3ed539ffed552786cbb785e7d0

CFL is disabled when skip_chroma_rd is enabled. This is done by reusing
the logic in CB4X4. To facilitate integration, the skip logic used in CfL is
moved inside the read/write functions.

Results on Subset1:
master@2017-05-08T19:54:48.196Z -> cfl_baseline@2017-05-08T20:06:55.292Z
  PSNR |  PSNR Cb |  PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
0.2668 | -12.0951 | -10.4138 |   0.3095 | 0.2998 |  0.2831 |    -3.6579
https://arewecompressedyet.com/?job=master%402017-05-08T19%3A54%3A48.196Z&job=cfl_baseline%402017-05-08T20%3A06%3A55.292Z

Change-Id: I45644baa1aceef5ad4da3332fcb10f3fbaac052b

* Add tile dependency support when ext tile enabled.

Change-Id: I8fe40adf285e171b5b761b15590a8b1c6758b8f7

Also includes a change in the wedge primary functions providing
a slight improvement.

Change-Id: I536d3209f59624e23128708e29fa85c1e6fcd97e

Writes and reads alpha to and from the bitstream.

A special case is needed on the encoder side to handle prediction block
skips. Since whether or not a prediction block is skipped during CfL, a
rollback is required if the block was skipped and the alpha index was
not zero. The advantage of this is that no signaling is required when
the prediction block is skipped as it is assumed tha the alpha index is
zero.

A encode facade is added to the intra prediction facade as CfL requires
special encoder side operations.

Change-Id: Ic3b11d0fdbd51389d862112eb09d8785127a6b06

Change-Id: I96e386678f6227f3ca735c9be2725cb9795b3296

Remove the unused codes under the experimental flag.

Change-Id: I4e1c176d13a58f6677f32d52bbfaa7f0aad4249d

This resolves crashes on awcy due to excessive memory
use. No change in BDRATE.

Change-Id: I1d92d0b53718cfc66f2842cfca68059bafafc64a

This reverts commit 2cf73eb8.

BUG=https://bugs.chromium.org/p/aomedia/issues/detail?id=503

Change-Id: I2b3a4a77854044cb7951c8e64961e72255dfea85

BUG=aomedia:486

Change-Id: I878e8b280e99a107643da76c5f21ac7aa69d37ec

A little improvement so far.

Change-Id: I636c2432cb4fd319c989f2fed313ea6338b35152

BUG=aomedia:490
BUG=aomedia:491
BUG=aomedia:494

Change-Id: I20a375dc6f76a3f3de520e452b3b9b0d4ace0ee0

The frame superresolution experiment currently makes no use of the
features of the loop restoration experiment. While this is planned for
the future, there is no reason to continue having frame superresolution
depend on loop restoration for now.

Frame superresolution was made dependent by having every preproccesor if
containing its config flag also depend on the loop restoration config
flag. Those if's are modified to only check the frame superresolution
flag by this patch.

Change-Id: Ieef47de29125af8d080739ffeac5c55a1fa99e23

This resolves crashes on awcy due to excessive memory
use. No change in BDRATE.

Change-Id: If3e67683dee6658db16dd5c1d686111e6415c493

BUG=aomedia:442

Change-Id: Ic5e4bb170ab7fd68355008cc4155e1a8910f344e

Change-Id: I1902b916c7a63d70c0d297989750ec3e230678eb