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This also fixes a compiling error under --enable-vp9_highbitdepth.

Change-Id: I9d1dcb95d3336d797eb3c23a4702c30b04355357

Change-Id: I837551bdf87197bee8a193353bb31f4cff794787

* changes:
  Fixed interval, fixed Q 1 pass test patch.
  1 pass VBR mode bug fix.
  Fixed interval, fixed Q 1 pass test patch.

This reverts commit e15fedb9.

Change-Id: Ibf2bce008c727a9754f88814b7630095fa7b8253

For testing implemented a fixed pattern and delta, 1 pass,
fixed Q, low delay mode.

This has not in any way been tuned or optimized.

Change-Id: Icf9b57c3bb16cc5c0726d5229009212af36eb6d9

(copied from VP9)

The one pass VBR mode selects a Q range based on a
moving average of recent Q values. This calculation
should have been excluding arf overlay frames as these
are usually coded at the highest allowed value. Their
inclusion skews the average and can cause it to drift
upwards even when the clip as a whole is undershooting.

As such it can undermine correct adaptation of the allowed
Q range especially for easy content.

Change-Id: I9e12da84e12917e836b6e53ca4dfe4f150b9efb1

For testing implemented a fixed pattern and delta, 1 pass,
fixed Q, low delay mode.

This has not in any way been tuned or optimized.

Change-Id: Idf5ee179b277fa15d07a97f14f2ce5bbaae80a04

The one pass VBR mode selects a Q range based on a
moving average of recent Q values. This calculation
should have been excluding arf overlay frames as these
are usually coded at the highest allowed value. Their
inclusion skews the average and can cause it to drift
upwards even when the clip as a whole is undershooting.

As such it can undermine correct adaptation of the allowed
Q range especially for easy content.

Change-Id: I7d10fe4227262376aa2dc2a7aec0f1fd82bf11f9

The culprit is on the decode side xd->lossless[i] setup was in wrong
location where segment features are not yet decoded.

Also on the encoder side, transform mode was not set consistently
between when tx_mode is selected and how tx_mode is enforced in
tx size selection.

Change-Id: I4c4c32188fda7530cadab9b46d4201f33f7ceca3

Change-Id: I0fe95332ccfa2e1ad2a01a8e7ddd631289e0f8eb

Keep track of frame indexes for the references, and
constrain inter mode search for reference with same
temporal alignment.

Improves speed by about ~15%, no noticeable loss in
compression performance.

Change-Id: I5c407a8acca921234060c4fcef4afd7d734201c8

Change-Id: I7bc991abea383db1f86c1bb0f2e849837b54d90f

Lower the threshold for splitting 32x32->16x16 based on average variance,
and add lower bound condition for this split to occur. This prevents
unneccassry splitting for areas with very low variance.

Change-Id: Ibeb33b3d993632c2019f296eb87ef3b7e3568189

For non-rd variannce partition, speed >= 5:
Adjustments to reduce dragging artifcat of background area near
slow moving boundary.

-Decrease base threshold under low source noise conditions.
-Add condition to split 64x64/32x32 based on average variances
of lower level blocks.

PSNR/SSIM metrics go down ~0.7/0.9% on average on RTC set.
Visually helps to reduce dragging artifact on some rtc clips.

Change-Id: If1f0a1aef1ddacd67464520ca070e167abf82fac

Reallocate the xmm register usage so that no ARCH_X86_64 required.
Reduce memory access to the left neighbor by half.
Speed up by single digit on big core machine.

Change-Id: I392515ed8e8aeb02e6a717b3966b1ba13f5be990

Change-Id: I701ab4993be7cfb15b61a1adbbaf5565bd14ae27

GET_GOT modifies the stack pointer so the offset for left's address will
be wrong if loaded afterword.

Change-Id: Iff9433aec45f5f6fe1a59ed8080c589bad429536

* changes:
  Fix two msvc build issues
  Fix enc/dec mismatches for aq-mode 1 and 2

Removed unused GET_GOT_SAVE_ARG.

Change-Id: I0ae41c2d0dcd6d7d1c8dda05062fcdb737fd917d

This patch continues to fix the win32 crash issue:
https://bugs.chromium.org/p/webm/issues/detail?id=1105

Johann's patch is here:
https://chromium-review.googlesource.com/#/c/316446/2

Change-Id: I7fe191c717e40df8602e229371321efb0d689375

Change-Id: Iece22223773dd6d0f87f8f59827705acd2ebe2a4

Remove some redundant code.

Change-Id: Ida2e8c0ce28770f7a9545ca014fe792b04295260