Improves the rd modeling function and implements them using interpolation
from a table which is a little faster. Also uses sse as input to the
modeling function rather than var - since there is no dc prediction
used and as a result the sse works a little better.

derfraw300: +0.05%
Speedup: ~1%

Change-Id: I151353c6451e0e8fe3ae18ab9842f8f67e5151ff

dboolhuff.c(50) : warning C4267: 'initializing' : conversion from
'size_t' to 'int'

Change-Id: I6b85759efb2fa19f362f406623d8a7583a55c036

adds a new speed feature to force partitioning to be greater than
or less than a certain size

Change-Id: I8c048eeeef93700ae822eccf98f8751a45b2e7d0

this feature lets you set a partitioning size to be used by the entire
frame.

Change-Id: I208a4c8c701375cbb054418266f677768b6f8f06

This uses variance to split partition. Variance is calculated using
nearest mv,  always from last ref frame.

Change-Id: Idd015b4a9aa3bc82591759eac239680c07496896

Change-Id: Ie24489a4d39f3e53e816eeebf75a1c9c7d94515a

Change-Id: Ideee45cad8b38087c509cd404484728e85d0c427

This uses the speed feature functionality for code.

Change-Id: I9cd16c0c5f98520ae27ebba81aa2c178546587f8

force us to go through slow partitioning for keyframes, altref and
overlays.

Change-Id: I1a286361bf74083e71973575a7296be46eb98742

need to rework these

Change-Id: I17dc2c88d2faadd2f8fb117c52c25f04ea2e9856

The new print out includes skips and has prefixed sections so you can
grep to find things like transforms chosen on each frame.

Change-Id: I195043424647d9514cfc3ff6720a5b20d010fa1b

Change-Id: I26e80ede80cb4389378a95afa95d229092a9859a

Enable sign bias check and round-trip error unit tests for 4x4 hybrid
transform modules.

Change-Id: Icd3d839f098d4b92b00ff76eac146765b039d0d3

Since intra block decoding is handled by decode_sb_intra() separately.

Change-Id: I42d757884714084c92fc23ec5d35d4dc946f4b15

Change-Id: Iab96e6a50aec543c63e15cd134f9d5f01ca7ceff

currently threading is internal to libvpx so thread safety is unneeded
in libgtest -- visual studio builds already operate in this way as they
do not have pthread.h available by default.

this removes an unconditional link to libpthread using $(extralibs)
should libvpx require it.

Change-Id: Ieae1d693406653a54b54fba818c598836797d33b

Optimized the quantization function by making it a two-pass
process. The first pass does a quick checking of the transform
coefficients against the base ZBIN, and only keep the good
enough set of coefficients for quantization. A skipping
check is added. If all coefficients are within the base ZBIN, no
quantization is needed. The second pass is the actual quantization
pass, which only processes the coefficient subset determined
in first pass. This reduces the computation. Furthermore, an
alternitive method is used for large transform size, which often
has sparse nonzero quantized coefficients.

Overall, the encoder speedup is about 4%. The quantization function
itself gets 20% faster.

Change-Id: I3a9dd0da6db030260b6d9c314a9fa48ecae89f22

Change-Id: Ic924f07c6ab0c929c6cdf11880d3c625806e272c

Change-Id: I183a38997a9d01e4a1b869e92509f6915216fa09

add ClearSystemState() to reset MMX registers avoiding corrupting
subsequent tests.

Change-Id: I668deb09aa7aa467709776e5819f936910698bc0

This commit makes use of dual fdct32x32 versions for rate-distortion
optimization loop and encoding process, respectively. The one for
rd loop requires only 16 bits precision for intermediate steps.
The original fdct32x32 that allows higher intermediate precision (18
bits) was retained for the encoding process only.

This allows speed-up for fdct32x32 in the rd loop. No performance
loss observed.

Change-Id: I3237770e39a8f87ed17ae5513c87228533397cc3

fixes issue #583

Change-Id: I4b855a5b5b168c8961410cef6ab5e6d86f14d301

Change-Id: I052647e13dd24354888c890f6b4a987d989552ae

Change-Id: I927c7223996cdeb44f46e0e6c2e2054d458c300b

This seems to only be used in the encoder. Also remove an empty wrapper
file that contained forward declarations for this function, but didn't
actually define any actual functions.

Change-Id: Ifc561eef7ebe374a7d03698055e51e105f6d614b

Moving single function from vp9_invtrans.c to vp9_encodemb.c.

Change-Id: I26bf6bb90de342a3036c0dbfba78a7dd75a61fe7