This commit allows the codec to analyze the motion field in the
avaiable above and left neighboring area to produce a set of
reference motion vectors for each reference frame. These reference
motion vectors are ranked according to the likelihood that it will
be picked.

Change-Id: I82e6cd990a7716848bb7b6f5f2b1829966ff2483

Coding gain remains about the same, while overall speed is
substantially increased.

Change-Id: I2989bebcfd21092cd6a02653d4df4a3bf6780874

Javan Whistling Duck release.

Change-Id: If44c9ca16a8188b68759325fbacc771365cb4af8

Currently there are two parts in this experiment: extra directional intra
prediction modes and the filter intra modes migrated from the nextgen branch.

Several macros are defined in "blockd.h" to provide controls of the experiment
settings. Setting "DR_ONLY" as 1 (default is 0) means we only use directional
modes, and skip the filter-intra modes; "EXT_INTRA_ANGLES" (default is 128)
defines the number of different angles we want to support; setting
"ANGLE_FAST_SEARCH" as 1 (default is 1) means we use fast sub-optimal search
for the best prediction angle, instead of exhaustive search. The fast search
is about 6 times faster than the exhaustive search, while preserving about
60% of the coding gains.

With extra directional prediction modes (fast search), we observe the following
code gains (number in parentheses is for all-key-frame setting):
derflr +0.42%  (+1.79%)
hevclr +0.78%  (+2.19%)
hevcmr +1.20%  (+3.49%)
stdhd  +0.56%
Speed-wise, about 110% slower for key frames, and 30% slower overall.

The gains of filter intra modes mostly add up with the gains of directional
modes. The overall coding gain of this experiment:
derflr +0.94%
hevclr +1.46%
hevcmr +1.94%
stdhd  +1.58%

Change-Id: Ida9ad00cdb33aff422d06eb42b4f4e5f25df8a2a

This commit enables the entropy coding of the recursive transform
block partition syntax.

Change-Id: I0c2509fb7b9822d12a721f9ebf9327fac83c777e

Allows inter and intra tx_types to have different sets of
transforms for different tx_size/sb_type combinations.

Change-Id: Ic0ac1daef7a9fb15c4210271e4d04cd36e5cec8e

Add palette mode for keyframe luma channel. Palette mode is enabled
when using "--tune-content=screen" in encoding config parameters.

on screen_content testset:  +6.89%
on derlr                 :  +0.00%

Design doc (WIP):
https://goo.gl/lD4yJw

Change-Id: Ib368b216bfd3ea21c6c27436934ad87afdaa6f88

Remove unnecessary transform type lookups and unused codes.

Change-Id: Ib52d26690468996b1501b419d919643c8ea5ecaa

ext-tx on derflr: +1.756% (was +1.648)

Change-Id: I8a87970fa589e8f5f96db7aa68ec9b6c98e20188

Adds an early termination to the ext_tx search, and also
implements the DST transforms more efficiently.

About 4 times faster with the ext-tx experiment.

There is a 0.09% drop in performance on derflr from 1.735% to
1.648%, but worth it with the speedup achieved.

Change-Id: I2ede9d69c557f25e0a76cd5d701cc0e36e825c7c

Creates new hybrid transforms combining symmetric DST with
ADST and DCT. Thus a total of 16 transforms are supported.

derfl: +1.659% (up about 0.2%)

Change-Id: Idde1cecdb59527890bf05da740099c3f6a5b9764

Change-Id: I61359787fdacdeb245e2798031a6e06e4afb83e0

Does not include DST1 yet.

derflr: +1.437 (8-bit internal), +7.243 (12-bit internal)
with --enable-ext-tx

Change-Id: I91f1759fd2de794755eb6384cda52e80e979cb7d

Change-Id: Ifce12a95c1cdc36dc6ac5a72759249a17407da9e

Remove the vp9_ prefix from vp10 file names.

Change-Id: I513a211b286a57d6126fc1b0fbfd6405120014f1

This commit folks the VP9 and VP10 codebase and makes libvpx
support VP8, VP9, and VP10.

Change-Id: I81782e0b809acb3c9844bee8c8ec8f4d5e8fa356

Reduced size from 124 bytes to 104 bytes.  For decode only builds,
it is reduced to 68 bytes.

Change-Id: If9e6b92285459425fa086ab5a743d0a598a69de3

Various header/test files had to be re-worked in order to
build "Remove cm parameter from vp9_decode_block_tokens()".

This patch reverts the "Remove cm" part and only contains
the re-worked header files.

Change-Id: I520958a88d1991fee988a3c784d0eac40e117a32

This commit adds encoder side control for vp9 to set color space info
in the output compressed bitstream.

It also amends the "vp9_encoder_params_get_to_decoder" test to verify
the correct color space information is passed from the encoder end to
decoder end.

Change-Id: Ibf5fba2edcb2a8dc37557f6fae5c7816efa52650

This commit rename a reserved color space entry to BT_2020, it intends
to provide support for VP9 bitstream to pass along the color space
type defined in BT.2020(Rec.2020)

please note this entry does not have any effect on encoding/decoding
behavior, but allow applications to the pass the information along
from encoding end to decoding end.

Change-Id: I4678520e89141ea5e8900f7bd1c0e95b710b7091

The basic data defs should be above block operation level.

Change-Id: I7dd9836d01120ab75e0c472baac9f15495ed0db5

Adds config parameter vp9_highbitdepth, to support highbitdepth profiles.
Also includes most vpx level high bit-depth functions. However
encode/decode in the highbitdepth profiles will not work until
the rest of the code is in place.

Change-Id: I34c53b253c38873611057a6cbc89a1361b8985a6

Specifies the bit-depth, color sampling and colorspace
for intra only frames for profiles > 0

Also adds checks to ensure that profile 1 and 3 are
exclusively used for non 420 streams.

Change-Id: Icfb15fa1acccbce8f757c78fa8a2f60591360745

Change-Id: Ic5d3a3a0dac10b49495771886a31e793bb78b5ca

Separates HBD profile int two profiles (2 and 3) consistent with the
highbitdepth branch. This patch is ported from the original highbitdepth
branch patch: https://gerrit.chromium.org/gerrit/#/c/70460/

Two of the invalid file tests needed to be updated.

Change-Id: I6a4acd2f7a60b1fb4cbcc8e0dad4eab4248431e3

Adds some high-level hooks for profile 2 before further
progress on the implementation.

According to the definitiion in this patch:
1. Profile 2 only supports 10 or 12 bit color but not 8
2. Profile 2 supports all color sampling modes: 444, 422 and 420,
and alpha plane.
3. Profile 3 is currently undefined.

Please consider the definition carefully and suggest modifications
to the definition as needed.

Change-Id: I5b284fc679e54ac5aee171af72fa7994cfd28995

Change-Id: Ic8e52a89e0df816c38cd8ff1b7c53862b9a6dff2

Change-Id: Ic334da9aee968e33762c2b25d9fbad24c844b411

Change-Id: I31c3908ba394095deb5d3a5d7b7c9b2b5328c3e8

Change-Id: Ie829ee58a55157e6972c63cebe69a5d0a3221349

Change-Id: If5711eb166609cce0a88b3cb5b56b3afeebc4fb0

Renames for consistency with other constants:
  NUM_FRAME_TYPES -> FRAME_TYPES
  NUM_PARTITION_CONTEXTS -> PARTITION_CONTEXTS

Change-Id: I3db30acb2868eb0a424237c831087b2e264ec47f

Change-Id: I62bb07c377f947cb72fac68add7a6b199e42c6b9

Adding temporary "typedef BLOCK_SIZE BLOCK_SIZE_TYPE" which will go away
after encoder's patch.

Change-Id: I06ec6a6f079401439843ec981d1496234fd7775c

Previous change c4048dbd limits the mv search range assuming max block
size of 64x64, this commit change the search range using actual block
size instead.

Change-Id: Ibe07ab02b62bf64bd9f8675d2b997af20a2c7e11

gets rid of a mix of styles

Change-Id: I3591d312157bc6f53a25438bf047765c671fd8a8

As the pixel values beyond image border are duplicates of pixels
on edge, the change limits the mv search range, any mv beyond
the limits no longer produce new/different prediction values
as entire block with pixels used for subpel interpolation are
outside image border.

Change-Id: I4c6fdf06e33c1cef1489f5470ce0fb4e5e01fb79

There will be another change set to rename BLOCK_SIZE_TYPE enum to
BLOCK_SIZE.

Change-Id: I8d1dfc873d6186fa5e554262f5169e929978085e

Removing the old one bsize_from_dim_lookup. Now we have a way to determine
block size for plane using its subsampling values (ss_size_lookup). And
then we can find the number of pixels in the block (num_pels_log2_lookup).

Change-Id: I6fc981da2ae093de81741d3d78eaefed11015db9

Change-Id: I3aae21e88b876d53ecc955260479980ffe04ad8d