To enable us to the scale-invariant motion estimation
code during mode selection, each of the reference
buffers is scaled to match the size of the frame
being encoded.

This fix ensures that a unit scaling factor is used in
this case rather than the one calculated assuming that
the reference frame is not scaled.

Change-Id: Id9a5c85dad402f3a7cc7ea9f30f204edad080ebf

Change-Id: I565fef382fa17a00d5ae54e980ef14d9f0ad4f55

For P5600:
CROSS=$MTI/bin/mips-mti-linux-gnu- CFLAGS='-EL' CXXFLAGS='-EL' LDFLAGS='-EL'\
 ../configure --target=mips32-linux-gcc --cpu=p5600 --enable-msa

For I6400:
CROSS=$IMG/bin/mips-img-linux-gnu- CFLAGS='-EL' CXXFLAGS='-EL' LDFLAGS='-EL'\
 ../configure --target=mips64-linux-gcc --cpu=i6400 --enable-msa

Change-Id: Id25f721ea1f1991d5116e04dba713aebd7378f05

Change-Id: I921b1ebabdf617049f8fa26fbe462c3ff115c1ce

Change-Id: I198727461455c8c198a0c892d02ed3cb1673aa50

this matches the other includes and simplifies include paths in builds
from source

Change-Id: I344902c84f688ef93c9f3a53e7c06c30db49d8d3

This speeds up a normal YT style 1080P clip decode by ~1% on nexus 7.

Change-Id: Ied7fa0d8bc941b2adb4db9382f549ee4d5654f3a

Set the GF group adaptive max Q compile flag to 1 by default.

This change has a quite big visual impact in some clips and also
contributes to tighter rate control.

For short test clips that have consistent content the impact is
quite small on metrics but for more varied long form clips there is
a drop in overal psnr but a sharp rise in average psnr caused by
greater expenditure on some easier sections and tighter rate clipping
in hard sections.

In chunck'ed encodes some of the effect will already be present due
to the independent rate control in each chunk but this change takes
the control down to a smaller scale.

yt hd +10.67%, - 3.77%, -1.56%
yt +9.654%, - 3.6%, - 1.82%
std hd +0.25%, -0.85%, -0.42%
derf +0.25%, - 1.1%. - 0.87%

Change-Id: Ibbc39b800d99d053939f4c6712d715124082843e

1. skip near if it is same as nearest
2. correct rounding for converting mv to fullpel position
3. update pred_mv_sad after new mv search.

Overall .1%~.25% compression gains on rtc set for speed 5, 6, 7, 8.

Change-Id: Ic300ca53f7da18073771f1bb993c58cde9deee89

This allows applciations to be KF oblivious.

Change-Id: Ic02712eae6ad8d6b3eaec26548299d24ca0d5cc0

Change-Id: I49a7017e8adc18ff03d748cb328814a8a3e1bcf6

Change-Id: I6022a79351882a72a219aee13563bf21bcd70383

Revised adjustment for rd based on source complexity.
Two cases:

1) Bias against low variance intra predictors
when the actual source variance is higher.

2) When the source variance is very low to give a slight
bias against predictors that might introduce false texture
or features.

The impact on metrics of this change across the test sets is
small and mixed.

derf -0.073%, -0.049%, -0.291%
std hd -0.093%, -0.1%, -0.557%
yt  +0.186%, +0.04%, - 0.074%
ythd +0.625%, + 0.563%, +0.584%

Medium to strong psycho-visual improvements in some
problem clips.

This feature and intra weight on GF group length now
turned on by default.

Change-Id: Idefc8b633a7b7bc56c42dbe19f6b2f872d73851e

This experiment biases the rd decision based on the impact
a mode decision has on the relative spatial complexity of the
reconstruction vs the source.

The aim is to better retain a semblance of texture even if it
is slightly misaligned / wrong, rather than use a simple rd
measure that tends to favor use of a flat predictor if a perfect
match can't be found.

This improves the appearance of texture and visual quality
on specific test clips but is hidden under a flag and currently
off by default pending visual quality testing on a wider Yt set.

Change-Id: Idf6e754a8949bf39ed9d314c6f2daaa20c888aad

* changes:
  vpx/vpx_codec.h: bump ABI version
  vpx/vpx_encoder.h: bump ABI version

The joint_motion_search function alternates prediction
between two reference frames. In order to reuse existing
code, a pointer to the appropriate reference frame is
written into xd->plane[0].pre[0], that the motion
estimation code assumes points to the reference frame.

If this first reference frame was scaled then the
pointer was incorrectly being reset to point to the
unscaled reference frame rather than the scaled
version.

Change-Id: I76f73a8d8f4f15c1f3a5e7e08a35140cdb7886ab

Change-Id: I7fb3a78ed0e0bc940d8b4a57c470302f8369782f

While CONFIG_INTERNAL_STATS=1, PSNR is calculated while encoding.
The aligned width/height were used mistakenly in the calculation.
This patch fixed it, and used the orignal image width/height.

Change-Id: Iad5334f8693af761b71ebb78f2587db8a3404ecf

the TODO around CONFIG_SPATIAL_SVC has been resolved by changing the
CONFIG_* checks to use an ABI based check

Change-Id: If2638baf361b863186177a453beec9af9231e69e

this removes the CONFIG_* checks from public headers, but means
'--enable-experimental --enable-spatial-svc' builds will fail without a
local change to the ABI in vpx_encoder.h. this should be all right for
testing this experiment.

Change-Id: Ief55e7b9d1e8332cfce990275e04c29b30af0c4a

Issue: 978

Change-Id: Ia7aa809095008f6819a44d7ecb0329def79b1117