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In the content_state for a superblock is set to HighSad,
use that to bias some decisions in variance partition and
nonrd pickmde: use int_pro_motion for sad computation in
choose_partitioning, and set large_block in pickmode based
on the content_state_sb.

Only affects speed >= 7.

Immprovement for high motion content.
Small gain (~1%) in RTC metrics.
Speedup of ~5 for high motion clip on android (speed 8, 1 thread).

Change-Id: I5774c4854f012b89c8e969f6129b60988c2ce11c

* changes:
  vp9_onyxc_int,RefCntBuffer: rm unused members
  remove vp9_dthread.c
  vp9: reduce FRAME_BUFFERS by 3

* changes:
  VP9_COMMON: rm frame_parallel_decode
  VP9Decoder: rm frame_parallel_decode
  vp9_dx: rm worker thread creation

this was enabled in:
5ac88162 partial fdct test

Change-Id: Ibae2031ec1308fe3a3b84a1ce6e7bacda3a7cb82

* changes:
  fwd_txfm_msa.c: add missing vpx_dsp_rtcd.h
  vpx_convolve_*_msa.c: add missing vpx_dsp_rtcd.h
  loopfilter_*_msa.c: add missing vpx_dsp_rtcd.h

Pass low/high values as type T. Out of range values should be caught by
static analysis instead.

Change-Id: I0a3ee8820af05f4c791ab097626174e2206fa6d5

Further refactoring to support alternative error distributions.

Change-Id: I0f7fa3fd6f3baa4b0a1e53c6aa3be63966e97b82

Correct test for middle frame in the group.

Change-Id: I1ee49fa33968eb3c4a01d6a27a60bb1409e3e68c

'low' was promoted to unsigned, triggering a ubsan warning

Change-Id: Id49340079d39c105da93cf13e96cf852a93a94ba

* changes:
  ppc: Add vpx_idct8x8_64_add_vsx
  ppc: Add vpx_idct4x4_16_add_vsx

Change-Id: I4ed1312f365509e0595dcc09890ecb050f6f2069

Change-Id: Id2673eece32027fb245919c7a5c81994a4a19fd8

Local application of:
https://github.com/google/googletest/pull/1066

Suppress unsigned overflow instrumentation in the LCG

The rest of the (covered) codebase is already integer overflow clean.

TESTED=gtest_shuffle_test goes from fail to pass with -fsanitize=integer

Change-Id: I8a6db02a7c274160adb08b7dfd528b87b5b53050

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: Ia17a7672d4832463decbc4afd6cd42974d02698e

Finish the calulations in neon registers. This avoids a potentially
expensive move from neon to gp and allows at least clang to store
directly to memory.

BUG=webm:1424

Change-Id: Idef25eec95f7610947167818e9194bde8b00d282

+ only expose compatible functions in high-bitdepth build

quiets -Wmissing-prototypes warnings

Change-Id: I8ef7db08a34c5c54b5cde6e732c0d70f4287c89a

quiets -Wmissing-prototypes warnings

Change-Id: I1ab5b8ae4a62f54e0f9eb3fc81371c9b99972c30

+ make some functions static

quiets -Wmissing-prototypes warnings

Change-Id: I2130e06142e71a004a1eb30e173feba4f6fe68a0

this makes the function compatible with high-bitdepth and fixes test
failures since:
5ac88162 partial fdct test

Change-Id: Ib630694608237f0c515948942e05dbea259ba338

testing::Range does not include the end parameter in the set of values.
also adjust the start to 2 as the single threaded case is already
covered in another instantiation

Change-Id: Iae3bf3ed4363dd434eccfa5ad4e3c5e553fbee60

For nonrd_pickmode: add condition for checking
intra mode if the sb content state is VeryHighSad.

Reduces artifacts when sudden change in content.

Metrics on RTC/RTC_derf neutral (small gain).
No speed loss observed.

Change-Id: I07006d28fd2dc06c1d06b07630102b0fece50c40

* changes:
  Add vpx_highbd_idct8x8_{12, 64}_add_sse4_1
  sse2: Add transpose_32bit_4x4x2() and update transpose_32bit_4x4()
  Refactor highbd idct 4x4 sse4.1 code and add highbd_inv_txfm_sse4.h
  Refactor vpx_idct8x8_12_add_ssse3() and add inv_txfm_ssse3.h

these are rewritten to 12; 15 causes the open to fail under vs2017

Change-Id: I9c3fd38b632180fa10f1713d4a5d9d15aefd8569

the last frame_worker_owner, row and col references were removed in:
131bd06e6 remove vp9_dthread.c

BUG=webm:1395

Change-Id: Ia7fb2e8782b12a58d2a2263849d20a8abf06aef6

this has been 0 since the removal of frame_parallel_decode in
vp9_dx_iface.

BUG=webm:1395

Change-Id: I3a562b2c6b82050064d2b2ccb18a3e77c700b2da

and the related prototypes in vp9_dthread.h. the last references were
removed in:
09dabc58d VP9_COMMON: rm frame_parallel_decode

vp9_dx_iface.c still uses FrameWorkerData

BUG=webm:1395

Change-Id: Ica8e98ae776fc0105f1fbbed9e0a729808980810

this has been 0 since the removal of frame_parallel_decode in
vp9_dx_iface.

BUG=webm:1395

Change-Id: I3f579766ecfa4777395b99686738e1c5610f86ef

the additional buffers are unneeded with the removal of
frame_parallel_decode

BUG=webm:1395

Change-Id: Id9ec4cb6462af5d07a0d3cf939bd216db27d9d9e