This commit adds a pick_sb_mode() function which selects the best 32x32
superblock coding mode. Then it selects the best per-MB modes, compares
the two and encodes that in the bitstream.

The bitstream coding is rather simplistic right now. At the SB level,
we code a bit to indicate whether this block uses SB-coding (32x32
prediction) or MB-coding (anything else), and then we follow with the
actual modes. This could and should be modified in the future, but is
omitted from this commit because it will likely involve reorganizing
much more code rather than just adding SB coding, so it's better to let
that be judged on its own merits.

Gains on derf: about even, YT/HD: +0.75%, STD/HD: +1.5%.

Change-Id: Iae313a7cbd8f75b3c66d04a68b991cb096eaaba6

This doesn't affect the result, since there are no MVs coded using this
entropy. It does, however, silence valgrind warnings about uninitialized
variables.

Change-Id: I6e21ba92df6ce5381bf58b8c349ef4373294a0b6

This caused spurious crashes on encodes, frustratingly often only on
high-definition material.

Change-Id: Ia8c1dfc420d598ca92108bd9cc2df7450e8d10a2

About 3.5x faster, 30% overall encoder speedup. Rest of optimizations
will come soon (see TODO section in filter_sse4.c).

Change-Id: If18108048bfd5345fc942e8574e4c7f58e0e86e0

Change-Id: I1ccb2546e29803d0e9d69282409d549a28201967

Further cases of inconsistent naming convention.

Change-Id: Id3411ecec6f01a4c889268a00f0c9fd5a92ea143

Change-Id: I4b911e4173da30c164bde7ea50bc80a70fbbb745

Change-Id: I27729a8631cffd54dfbae3ec0f07df7c883f7510

Change-Id: I9c7ef4a75c37aa0e10df75e165e3066614c955ef

* changes:
  lint_hunks: show style violations in the index
  intersect_diffs: split out diff classes
  ftfy: update to match current astyle rule

The reference motion vector selected by surrounding pixels that has
the best matching score is used as nearest motion vector.

The change has shown consistent gain on all test sets, compression
gains range from .2% to .6%. The variation is largely dependent on
various other experiments on or off.

Change-Id: I5552e1c2f6fc57c3e8818a5ee41ffda89af05e75

Fixes two typos that breaks the build introduced in recent check-ins.

Change-Id: I3f15f3c088c48a63fede8941c9a4ba05dd0403c2

References to MACROBLOCKD that use "x" changed to "xd"
to comply with convention elsewhere that x = MACROBLOCK
and xd = MACROBLOCKD.

Simplify some repeat references using local variables.

Change-Id: I0ba2e79536add08140a6c8b19698fcf5077246bc

Also add warnings for undefined macros in the C pre-processor

Change-Id: I1ec30e57c5a49fb72151a4cf140d7eeb0fb1d779

Change-Id: I8548aebd3c39797b253eef472bfe1c40f2f7ec59

Change-Id: I082d2517022cbf2f472c143fe7772719d8295498

Change-Id: Icc276609e409e4e234d240e5c12e137600e178ed

The 16x16 has not been done yet for speed reasons.

Change-Id: I066e369a065674d58986e937344c9303fed19450

The commit also corrects unit of encoding from microsecond to
milisecond.

Change-Id: I030108e90f89f33dfad2d092dc8991db81979715

Change-Id: I7f531d55f076254c84402fed34af93fe3685fbdf

Change-Id: Ie7e7727512cc1333bd16e7688cd1d8764371dde3

Shows the subset of style violations that intersect with lines modified
in the current index.

Change-Id: I0b51674fd43df118e8bbf55b684a1ca0bd0e1d40

Change-Id: I8e72279cc68f34d269705f06cdaf8f3d06eed635

Change-Id: Id38baf1b89648ef534e28be72f583137871f920c

Add local variable in several places to reference the MB mode
info structure. Currently this is usually accessed in the code as
x->e_mbd.mode_info_context->mbmi.* or in some places
xd->mode_info_context->mbmi.*

Resolved some uses of x-> for the MACROBLOCKD structure.

Rebased without dependency on motion reference experiment.

Change-Id: If6718276ee4f2ef131825d1524dfdb02a3793aed

Seperate parsing functions so they can be reused for other diff
utilities

Change-Id: I1ea6ebf90ded128eec116cc1f326a28bdda2fb77

Change-Id: I89076d93968a5817d6d0330ec7fd6a6c73fe397f

Change-Id: I4fceefe76b14bd38a358dc4356708f7981bab339

This should make merging inter code paths easier.

Change-Id: I5cb81f25d56fa4790b4e9cfa4bc32b9062c2cfdf

SPLITMV shares very little code with the other inter modes.

Change-Id: I0beee95de1fbedeea1f71650951ffc7db3a118eb

Also refactor some RD code, remove some comments, and cosmetic changes.

Change-Id: I43806ae573ab5a5036602ac4425d750bbfa1e812

Change-Id: I3841eca46e29a108a79fe47af0cfa97f0bc80a2a

Merges this experiment in to make it easier to run tests on
filter precision, vectorized implementation etc.

Also removes an experimental filter.

Change-Id: I1e8706bb6d4fc469815123939e9c6e0b5ae945cd

Latest version of all scripts/makefile but rtcd_defs.sh is empty, all
existing functions are still selected using the old/current way.

Change-Id: Ib92946a48a31d6c8d1d7359eca524bc1d3e66174