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BUG=aomedia:445

Change-Id: I79ff81c42778e2836028240df70edf973555018c

quiets -Wshorten-64-to-32 warnings

BUG=aomedia:445

Change-Id: Ieae58e09804e8707393a3813529f3c6316eef888

make tmp an int64 as 12-bit may exceed 32-bits

BUG=aomedia:445

Change-Id: I5e7bc9e90b6c3c0c30e725efaf5f5e217cfbe82a

BUG=aomedia:445

Change-Id: I8c24a2fc6557bcba83ae077f8a13a58795deda55

size_t -> uint32_t, quiets -Wshorten-64-to-32 warnings

BUG=aomedia:445

Change-Id: Id714ece4ca672ac2a6beabca32a5fa30d83c8231

ported from libvpx:

Added casts to remove warnings:

In regards to the safety of these casts they are of two types:-

- Normalized bits per (16x16) MB stored in a 32 bit int (This is safe as
  bits per MB even with << 9 normalization cant overflow 32 bits. Even
  raw 12 bits hdr source even would only be  29 bits :- (4+4+12+9) and
  the encoder imposes much stricter limits than this on max bit rate.

- Cast as part of variance calculations.  There is an internal cast up
  to 64 bit for the Sum X Sum calculation, but after normalization
  dividing by the number of points the result will always be <= the SSE
  value.

BUG=aomedia:445

Change-Id: I4e700236ed83d6b2b1955e92e84c3b1978b9eaa0

This reverts commit c92c6e9d.

Reason for revert:

The lowbd version of the function is called even with CONFIG_HIGHBITDEPTH
on, when bit depth == 8. And that particular case will not work as
before with this change.

BUG=aomedia:442

Change-Id: I50c0a1238c93d2c729ab878cf04ca417fee3b202

Only differences:
- Initial values of 'out_ptr' were different.
- Macros used to load g13, g15, g5 and g7 were different, but they were
actually equivalent.

BUG=aomedia:442

Change-Id: I58bbb97e4d9ed3bebabaaa24442021703415aaec

This experiment extracts the post compound rounding feature
from convolve_round experiment

                      lowres
convolve_round       -1.493%
compound_round only  -0.874%

Change-Id: I084cf10b5155edd408848e44681f8af66b803724

Exact same functions were present in two encoder binaries.

BUG=aomedia:442

Change-Id: Ib169c29cee8ae40cbd71c26099a3339ec7143315

Bit accounting is really a decoder thing

BUG=aomedia:450

Change-Id: Ib0229064caa98f742e2df08fd79c0451b0d8c09e

This reverts commit 8cd0e7ef.

Reason for revert:
This change breaks av1_warp_affine_c when CONFIG_HIGHBITDEPTH is enabled.

In particular, running ./test_libaom --gtest_filter=*Warp* compiled with --enable-warped-motion --enable-highbitdepth shows several test failures, followed by a segmentation fault when it gets up to test SSE2/AV1WarpFilterTest.CheckOutput/4

The tricky part is that the use the lowbd version of the function is dependent on a mix of two conditions:
(1) Compile time check for CONFIG_HIGHBITDEPTH and
(2) Run time check to see if bit-depth == 8
So, it is tricky to refactor.

BUG=aomedia:442

Change-Id: I610c537fb65bde4f357185a13081639f906351de

All of these were duplicated in two places.

BUG=aomedia:442

Change-Id: I8eb027c814f58eb23f71a8b8b4691970a333ad96

Change-Id: Ie1e45b318d5f1b53c6519d91bd3e9c11a30ec56d

Change-Id: If02055bf288d2def45fb2fb2f0a447a41301ba04

- normalize casts
- remove unused array
- add consts
- declare variables late

BUG=aomedia:450

Change-Id: I2d3bc6ba2a9b05c779d3b451907abb3fc747d79a

BUG=aomedia:442

Change-Id: I5cec560e427bf8628cbaae85aea4cdb19b74659f

string literal to int

BUG=aomedia:445

Change-Id: I262911ad4e4b52f2d203c03d9bdfcbaa1a81984b

Also use int instead of int64_t since sf->exhaustive_searches_thresh is
an int and we only make it smaller.

Change-Id: I38c9ebd97f085cb7ce5094dfc98942bb2171ee0f

Fixed a couple of compiling warnings when the "deep" analyzer is on.

Change-Id: I96842e8226f1993a1329217c0dbf4a081d0c94f9

Change-Id: I88041e954fa6cff5986458309bb28fa2e3c9758c

prevents leak / static analysis  warnings on ASSERT*() failures

BUG=aomedia:447

Change-Id: I1d3edbdbb18dbbe3b17691971348a8121cf09afa

The code for forward and reverse transform was exactly same, so moved to
a common header.

BUG=aomedia:442

Change-Id: Ic0d82b6213127c757c81e7a84045a30e28036161

Almost the whole function was common except the type of 'dgd', so use a
common helper function.

BUG=aomedia:442

Change-Id: I4bf20dce5f2faeaa7e6255452282f7653090b990

Only a few lines differed between the two.

BUG=aomedia:442

Change-Id: I304c07d962c9a166596ec97ae4e2ec23ea90a195

BUG=aomedia:453

Change-Id: Iea0b41152bce90c53b1b0668776ae0d4c854d4ab

BUG=aomedia:449

Change-Id: I8d1a0342e11877e466a1fb771f9a1941598c95d5

The two functions were exactly the same.

BUG=aomedia:442

Change-Id: I8062dc06ec054d58a97be7396fc07bafc13e5fd5

Change-Id: Ic23c96b78112ef9fbd7adad69f63bdbe3a56ce23

This experiment complexifies DSP function dispatch, without bringing
any real value (it's non-normative arbitrary behaviour).
Moreover, it only has an effect on obsolete transforms, the new ones
don't implement this mechanism.

Change-Id: Idaccdd0c14ed6b7008cd4f365c7f017ba8ccacf5

Missing features:
* RDOPT (Forced on for certain blocks)
* Any form of border extension
* Non MI sized right and bottom edges
* MV prediction

Present features:
* Force intrabc for some blocks
* Carry intrabc in the bitstream
* Validate DV is causal
* Reconstruct intrabc block assuming border extension is unnecessary

Change-Id: Ib1f6868e89bfacc2a4edfc876485bad1b347263b

Change-Id: I1a220c9c0190ff38603f1d3a6601d04f5aaaf224

BUG=aomedia:452

Change-Id: I8bd7ca9556cee87f84189a2f08d152ff7ad85f87

Change-Id: I815d37986119b20ff386c640fe60e41aef785be3

Change-Id: I3673e84faccc0d4e1a7c433660f783f1eccbdb85

Introduced in Change-Id I06b8b75b667bb1bc4ddffc78f895e48a09f4c578

BUG=aomedia:440

Change-Id: Ic261617fced9d211a93c075bff2e2b4771de98fc

When compiled with --disable-lowbitdepth, the decoder uses the generic
16-bit operating path, regardless of the input video profile.
The encoder should also use the generic 16-bit operating path if the
low-bitdepth operating path has been disabled at build time.

Change-Id: I421cc774b45d2c76bea8730cc8726224cb4aba1e

Fixes several bugs in daala-dist, sub8x8 inter mode
with --disable-cb4x4.

Changes on BD-Rate are:
(objective-1-fast, high delay mode, --disalble-cb4x4):

   PSNR | PSNR Cb | PSNR Cr | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
14.0337 | 13.0132 | 14.6055 |  -3.2030 | -2.2092 | -9.3902 |    10.3399

Additionally, BD-Rate change by daala-dist in enforced MSE mode
which can show the correctness of implementation is

  PSNR | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
0.0048 |  0.0789 |  0.0209 |   0.0443 | 0.0137 |  0.0411 |     0.0441

Change-Id: I68ec90c6072aa3564522c2b8e87b62a998cec47c

This changes the behavior of the ext-inter compound modes
as follows:
* NEAREST_NEARESTMV, NEAR_NEARMV, NEW_NEWMV, ZERO_ZEROMV
  work the same as the corresponding compound modes without
  ext-inter
* NEAREST_NEWMV and NEW_NEARESTMV keep their current behavior,
  which is to use the first ref-mv candidate pair for their
  particular reference frames
* NEAR_NEWMV and NEW_NEARMV select between the second, third,
  and fourth candidate pairs.
* NEAREST_NEARMV and NEAR_NEARESTMV use the first candidate
  pair for the NEAREST component and the second, third, or
  fourth candidate pair for the NEAR component.

Also do some minor refactoring and fix compile errors
with --enable-ext-inter --disable-ref-mv

Change-Id: If0d2a60559083b7c1189909d426b705af42d2d0e

Transmit palette colors with delta encoding.
Coding gain on scrren_content testset:
overall 0.67%  keyframe 1.37%

Change-Id: I72ce9061dfddf933e9f7530f069955afcb07edf8