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

Change-Id: I536d3209f59624e23128708e29fa85c1e6fcd97e

Since the size used with cfl_load can either be based on the transform
block size and the prediction block size, width and height are used as
parameters instead of TX_SIZE.

This resolves a problem where cfl_compute_alpha_ind was reading
uninitialized memory.

Change-Id: I187dbdd5b2e8bd85e82bb77eb74859bee2cd3f1e

This will improve the lowres performance by 0.1%
No significant change on midres and hdres

Change-Id: I0c6e69bf48596e7e5ad49631ed9f9be73bbf3c9a

Change-Id: I48a2148854e2abd0a3cc66aef58bb6a5d77c8b59

Change-Id: Ieeb044d2b008c409faf7fa5d7253ad2d8f326ca4

BUG=https://bugs.chromium.org/p/aomedia/issues/detail?id=76

Change-Id: Iecf11b2ca3636042ba70800dd8f6c62627760243

BUG=https://bugs.chromium.org/p/aomedia/issues/detail?id=76

Change-Id: Ia56bdc8da422e9de9b92f357c98ad38017e8b728

This reverts commit 9395b34e, because it
did not have any effect in eliminate ubsan warnings as intended.

Change-Id: I9221385217f062a0356fe0c68643b12751048f69

Even though number of unique colors in a block may be at least
PALETTE_MIN_SIZE, sometimes the K-means can generate fewer than
PALETTE_MIN_SIZE unique centroids due to integer rounding.

This was resulting in "k - PALETTE_MIN_SIZE" being negative and using
that as an index into palette_y_size_cost array was causing a UBSan
error.

BUG=aomedia:515

Change-Id: Ia00b4bb2efebbe43d1fec7b619ebb837b1ae961c

Change-Id: I64c523a34b4d69450759433e125a79e63d928037

math.h provides these with _USE_MATH_DEFINES

BUG=aomedia:500

Change-Id: I6e05b09149a6a6ca152e67194b629e0728bc3c35

add correct type for 'c' parameter

BUG=aomedia:500

Change-Id: I4ea2334405d8d7ea436bc373dd1c812666f98067

Measure SSE for all possible alphas.
Estimate rates for alpha signalling.

Change-Id: Idf1e3c632925cd306090fc38cf5b95eff7ee5c1c
Signed-off-by: David Michael Barr <b@rr-dav.id.au>

Change-Id: I7b26893e9358378f585a892854812ed0a1888385

The small multiplier intentionally introduces a larger error, so
relax the accuracy threshold in the aom_reader_tell_frac() test.

Change-Id: Ib046a95dd3a8498a1a2ea58680796e75fd195868

Change-Id: Iad3c54cc905a7d337766c3c8ae59109327d5c5ae

Change-Id: Ib6f8b94c82fee8546d741f4472f42c342cbdd55c

BUG=aomedia:514

Change-Id: I97e20524b091169635395098efe234a7fd846bd9

'const_above_row' was same as 'above_row' and 'above_row' pointer was
never modified.

Change-Id: Ib0c2524b1afc75967cfa7d3da8e59cfc66299ff4

Change-Id: I6f0c93fd38abc85553b81a3f2d99e97ed9c803f7

Change-Id: Id490c57df5dca13c59a62b0a542779784842944c

The CDF initialization needs the iCDF macro wrapper.

BUG=aomedia:517

Change-Id: I2dd7c43ee2765f97c2fb247c31440e79587723fe

BUG=aomedia:516

Change-Id: I0af6e5e20f785bd4862f499b8d53002f58677c40

Adds a speed feature to control which references to use
to compute global motion.
Also adds logic to not compute duplicate sets of
parameters when reference frames point to the same
buffers.
Includes some renaming of functions to set good speed
features to make things clearer.

Change-Id: I641d33441fde98af18cad8d4db49cf7d5d153ead

Intra weights start from a higher value, and decay faster
Improve interintra by 0.1%/0.17% on lowres/midres

Change-Id: Ib20f47d1e89f729731e3bcfceaa21a47c8b45c56

fixes a couple of type conversion warnings for msvc2015

Change-Id: I004f072661c981e204bd62b2740201658ad67294

The conversion of return value to int64_t appears to be unnecessary.

fixes a number of type conversion warnings for MSVC2015

Change-Id: Ibca24468e73bf22ad07c469ce5d1223635390ecb

Removed "const" from parameters that are passed by value, also fixes
msvc2015 compiler warnings.

Change-Id: I0c7555b4245fa55fabda1c27762fb9f0860bfa18

Move the definition of several ssse3 only functions into a separate
header file.

BUG=aomedia:500

Change-Id: Idbaedfe23d439b6092d46f0a2aa127efebe4d59b

Change-Id: Ib92f54480035a85ab7279ffa9f8b9237d0a3f334

Change-Id: Idc37f9babf5fb061e0a36bf1ef8649af4520f307

Use a simpler least-squares function for affine and rotzoom
model estimation, instead of computing the pseudo inverse.
Also refactors the code into a separate mathutils.h file.

The SVD code is currently used only for estimation of the
homography models which can be removed when we remove the
homography models.

Coding efficiency change is in noise range, with the small
difference coming from numerical precision issues.

Change-Id: I0a9eb79495911cea21a7945b397d596e22a2a186

The angle estimation in ext-intra didn't account for
alt-intra.

Also use c99 variable declaration style.

BUG=aomedia:444

Change-Id: I001b0278eb8cf560975c873a423de024c10d08b4

This fixes a mismatch which occurs when global/warped motion and
a masked compound type are used together.

Change-Id: I08b2702cdb3b85f8d8817b9286a73951c97cf379

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: I705bbb79104eda4a7db8146e49795dbe80a31a3f

Change-Id: Icde963dfa58ebea490dd1e4d125cd9ca5d27e7db

fixes MSVC build errors.
BUG=aomedia:500

Change-Id: I677b60e3b2b9b655193773f8f90a04e360e35990

this change enables loopfiltering_across_tiles by defualt after
it has been adopted. support in the deblocking filter and CDEF
filter has been implemented. a command line argument --tile-loopfilter
has beed added to enable (1) or disable (0) loop filter across
tile boundarys.

Change-Id: I6e55c32c35f23c2aedf6b6dfdab9238750b0cf34

Used CHECK_MEM_ERROR in cpi->mbmi_ext_base memory allocation.

Change-Id: Ief8629d2b420b073f233c7c8e5e0b6d4269aea5c