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Change-Id: Ib7c07e6ce00a5c7e59113b16e6661a8369f9e646

BUG=webm:1412

Change-Id: I945f0fb6807b8948747243794dc7352b959221f7

* changes:
  Extract inlined 16x16 idct sse2 code into header file
  Add transpose_32bit_8x4() sse2 optimization
  Update x86 idct optimization

vpx_sub_pixel_variance32xh_avx2() and
vpx_sub_pixel_avg_variance32xh_avx2

see:
17fae3ad Change to use correct check for halfpel

Change-Id: Ib0741c5c2fd011e9650ca62b76009f1b59fdbe4c

Will be called by high bitdepth functions.

Change-Id: I76727df00941b5a27adceaba8347f275475fcd8c

Change-Id: I66297d78b38db718cfe3ebb8ea972f5a72c17955

Originally, for the purpose of keeping a fast first pass, the first-pass
stats between row_mt_mode = 0 and row_mt_mode = 1 are not bit exact, but
that difference is very small that doesn't cause a mismatch between the
final bitstreams. However, if the encoder changes, this minor difference
may cause a mismatch. Thus, this patch always forces the first pass to
be bit exact.

BUG=webm:1453

Change-Id: I2b67cf529dee81f660f9d9e7fe9a60ea3c7b12b8

For 1 pass CBR mode:
Apply the logic for dropping (and re-adjusting rate control)
due to large overshoot to the case of non-screen content when
drop_frames_allowed is enabled.

For the non-screen content case: add additional condition that
rate correction factor is close to minimum state, and flag to
constrain the frequency of the dropping.

Also handle the case of temporal layers and multi-res encoding.
Add some flags/counters to the layer context for temporal layers.
For multi-res: drop due to overshoot is checked on lowest stream,
and if overshoot is detected we force drops on all upper streams
for that frame.

This feature is to avoid large frame sizes on big content
changes following low content period.

No change in behavior for screen_content_mode = 2.

Change-Id: I797ab236cbbf3b15cad439e9a227fbebced632e6

Test some possible scenarios.

Change-Id: I1a612e7153b31756be66390ceea55877856d5a33

BUG=webm:1404

Change-Id: I8d8498009e5ef7bf1137e4ff16ec81738a020b02

Move constant coefficients preparation into inline function.

Change-Id: I1d000c6b161794c8828ff70768439b767e2afea1

Change-Id: Ib76875232491b14f7114061e8e913e87004427a0

This replaces commit aa1c4cd1, which has a bug and was reverted in
commit 3c73e587.

The bug is caused by rounding -step1[5] in highbd_idct8x8_12_half1d().

Change-Id: I37b3a5f0d91815f2dc570209091dc6626fd178a8

With skip block or coeff < zbin it is about twice as fast as C.

If most coeff values are > zbin it is about 10-15x as fast as C.

BUG=webm:1426

Change-Id: I5d3c007b014a372d5ef0882b39bb48983b4131c7

enable loongson mmi optimization: ../configure --enable-mmi

Change-Id: I7792c3adeac1d5b573917d7857bba6c1cc05fea5

When the superblock partition is based on the nonrd-pickmode,
we need to avoid the denoising. Current condition was based on
the speed level. This change is to make the condition at the
superblock level, as the switch in partitioning may be done at
sb level based on source_sad (e.g., in speed 6).

Change-Id: I12ece4f60b93ed34ee65ff2d6cdce1213c36de04

This reverts commit c9266b85.

Disable source_sad when resolution > 1080P. The test should
pass now.

BUG=webm:1452

Change-Id: I72dde88e66590ff9e41da5e5dd83f5550a83f082

left shifting a negative value is undefined; quiets a ubsan warning.
this is applied to a constant, no change in the generated code.

Change-Id: I595f0ff7904ef025e07bb80234293d958dc9f254

This reverts commit 064fc570.

This causes an assertion failure in vp9_mcomp.c when running
gtest_filter=VP9/MotionVectorTestLarge.OverallTest/41:
`mv->col >= -((1 << (11 + 1 + 2)) - 1) && mv->col < ((1 << (11 + 1 + 2))
- 1)'

Change-Id: I449e777bf18b661cb3f1d82253610c55c51687f6

This reverts commit aa1c4cd1.

This fails the following tests with extreme input coefficients:
SSE2/InvTrans8x8DCT.CompareReference/0
SSE2/InvTrans8x8DCT.CompareReference/2

previously the optimized path was skipped in this range

Change-Id: I9af015a46eba96208834a219fafd651d37556a80

Change-Id: I917d106f4c95ea44e413e23881f6303982e1a6a3

Move the source_sad feature to speed 6 (from speed 7), and
add speed feature to switch from the variance-based partition
to reference_partition (which uses nonrd-pickmode for bsize selection)
if source_sad is high.

Currently used only for speed 6 for resoln <= 360p.
About 4-5% improvement on 360p in RTC set.
Some speed slowdown, but still ~30% faster than speed 5.

Change-Id: Ib0330ee5fe9fdd2608aed91359a2a339d967491c

The greedy version was already enabled by default here:
https://chromium-review.googlesource.com/c/546848/

And the speed+compression gains from greedy version were already
mentioned here:
https://chromium-review.googlesource.com/c/531675/

Change-Id: Iad9f7d03490c845ad1e230af028c9d39edddca97

* changes:
  Update vpx_idct16x16_10_add_sse2()
  Add vpx_idct16x16_38_add_sse2()
  Rewrite vpx_highbd_idct8x8_{12,64}_add_sse2
  Refactor highbd idct 4x4 and 8x8 x86 functions

This reverts commit 03f5e300.

This causes test failures under OSX:
SSSE3/VP9QuantizeTest.EOBCheck/0
SSSE3/VP9QuantizeTest.OperationCheck/0

Change-Id: I122732717ead1f7af5b04c529a6948e382e5e59b