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* changes:
  Add pluggable bitwriters.
  Add pluggable bitreaders.

This patch fixes 2 issues in Palette mode:
1. More memory is needed in PALETTE_BUFFER for 444 video format.
2. A merge issue caused by
https://chromium-review.googlesource.com/#/c/333940/7

Change-Id: I2aedc7dfdfb6b66fbd600189ec6e1e2cc6120d40

No need to do avoid shortcuts when all we are testing is the superframe
syntax. Decreases the run time up the VP10 version of the test from 22
seconds to 3 seconds on my machine.

Change-Id: If0c3551cbb8af8b803e02629e803e5f09da76cd1

- Wrote function: fidtx8_sse2() and fidtx16_sse2().
- Turned on vp10_fht8x8_sse2()/vp10_fht16x16_sse2() for new types.
- Updated 8x8/16x16 unit tests for accuracy/speed.
- Running 20K times with random numbers and getting through
  tx type from V_DCT to H_FLIPADST, SSE2 speed improvement:
  8x8: ~131%
  16x16: ~66%

Change-Id: Ibbb707e932a08fec3b1f423a7dab280a1d696c9a

Failing since: 66f2f65e Merge MISC_FIXES

Change-Id: I8135d6a9d74972c595f1b6294fb842e68f91e50e

Skip checking obmc when regular inter predictor is not so good (the
rd-cost for Y residual is greater than the total rd of the best mode
so far.)

Performance change compared to full rd search:
  +0.006% lowres, -0.056% midres
Encoding time :
  1.14X baseline (was 1.42X)

Change-Id: I11350f955a20e1a2331be458537a915e09fbedf3

Change-Id: Ic9ed1f88f5550b69a45a0fdc71aae5864db7e178

This will make the code change for a pure ANS experiment manageable.

Change-Id: I3c72a2d8e75afa2cc8e56992ee91f4760202f4d4

This will make the code change for a pure ANS experiment manageable.

Change-Id: I9905f3a89f492a4346860463a72fa8c52aac4c8e

After porting tile coding from VP9 to VP10, some performance
degradation was seen because of the difference between VP9 and
Vp10 baseline. This patch disabled some features in VP10 while
tile coding is turned on. Also, an encoder control API was added
back for this use case.

Change-Id: I8f736db8388408a8cc35320a2f80abb02906571c

Skip filtered intra modes search in inter frame when DC mode is
worse than the best mode so far.

With ext-intra enabled, the overall speed is increased by 20~40%;
performance drop is 0.03% on lowres and 0.05% on midres.

Change-Id: I75d2503b067cf5e46e3533b97fb01497e125baa7

- Added function fidtx4_sse2().
- Turned on vp10_fht4x4_sse2() for these tx types.
- Updated 4x4 unit test for speed/accuracy.
- 4x4 Unit test passed.
- Running 20K times with random numbers for tx type from
  V_DCT to H_FLIPADST, SSE2 against C, speed improves ~46%.

Change-Id: I828088b7f98dc0f5939a72e3fcd6cb0b8d8dd8bf

Change-Id: Id09e1913c1ac965b78df2e67471807019c89f8ab

This was broken due the leakage between consecutive CLs.

Change-Id: I08ba8c67a42871d9488729ed854845641aa7ca30

If configured with --enable-ext-tile, the codec uses an alternative
tile coding syntax in the bitstream. Changes include::
 - The maximum number of tile rows and columns is extended to 1024
   each.
 - The minimum tile width/height is 64 pixels (1 superblock).
 - A tile copy mode is added where a tile directly reuse the coded
   data of a previous tile
 - The meaning of the tile-columns and tile-rows codec parameters are
   overloaded to mean tile-width and tile-height in units of 64
   pixels.
 - All tiles should now be independent, including rows within the
   same columns, so large scale parallel, or independent decoding is
   possible.
 - vpxdec also gained the options to decode only a particular tile,
   tile row, or tile column.

Changes without --enable-ext-tile:
 - All tiles should now be independent, including rows within the
   same columns, so large scale parallel, or independent decoding is
   possible.
 - vpxenc default tile configuration changed to use 1 tile column.

Change-Id: I0cd08ad550967ac18622dae5e98ad23d581cb33e

- Use Makefile to control the build for highbd_fwd_txfm_sse4.c.
- Fixed hybrid transform (HT) types due to recent update.
- Added new unit test cases for highbd HT.

Change-Id: Ifd768a9b429a8c21ed40c1de8152fb5ac71e2f90

This commit separates the predicted motion vector from the nearestmv
motion vector in the coding process for both regular and sub8x8
block sizes.

Change-Id: I703490513b0194e6669ebf719352db015facb3e1

Change-Id: Ieabe5534e5f4fb3f2d751a3cfc682208b3913715

Merge "Highbd fht4x4 SSE4.1 optimization for DCT_DCT mode - Setup function vp10_highbd_fht4x4_sse4_1 for highbd SSE4.1   intrinsics optimization. - Wrote SSE4.1 functions: load_buffer_4x4(), write_buffer_4x4(),   and fdct4x4_sse4_1(). - Used logic right shift to avoid coeff memory write/read. - Turned on vp10_highbd_fht4x4_sse4_1 for DCT_DCT mode only. - Improved overall encoding performance >2.3% for 50 frames   sequence, park_joy_1080p_12.y4m, in which, --input-bit-depth=12,   --bit-depth=12, 50 frames. - Unit test passed." into nextgenv2

- Setup function vp10_highbd_fht4x4_sse4_1 for highbd SSE4.1
  intrinsics optimization.
- Wrote SSE4.1 functions: load_buffer_4x4(), write_buffer_4x4(),
  and fdct4x4_sse4_1().
- Used logic right shift to avoid coeff memory write/read.
- Turned on vp10_highbd_fht4x4_sse4_1 for DCT_DCT mode only.
- Improved overall encoding performance >2.3% for 50 frames
  sequence, park_joy_1080p_12.y4m, in which, --input-bit-depth=12,
  --bit-depth=12, 50 frames.
- Unit test passed.

Change-Id: Idd6dc6e472cbbf235f0ade4f66fbe859a860a004

Uses 15 frames instead of 30. Also only test speed 0 for VP10.

Change-Id: Icace050edd974622d83bdf843058f63bd8d3a84b

Change-Id: I32b63fca020c410cef16e93379b4e6e281ccbccd

This has been ported under ext_partition_types because it is due
to be combined with the coding_unit_size experiment which is
already being ported under ext_partition

Change-Id: I47af869ae123ddf0aa99160dac644059d14266ee