The recursive partition type search is enabled down to 4x4, 4x8 and
8x4, followed by the corresponding rate-distortion optimization for
the per-partition encoding mode decisions.

The bit-stream writing/reading synchronized in supporting the
rectangular partition of 8x8 block.

This provides above 1% coding performance gains on derf.

To do next:
1. re-design the rate-distortion loop for inter prediction below 8x8.
2. re-design the rate-distortion loop for intra prediction below 4x4.
3. make the loop-filter aware of rectangular partition of 8x8 block.
4. clean the unused probability models.
5. update default probability values.

Change-Id: Idd41a315b16879db08f045a322241f46f1d53f20

This commit modifies the vp9_update_nmv_count_ to support rectangular
partition of 8x8 block.

Change-Id: I3e742f80f18f95b031c1c785d756d9365503c24c

Correct the stride parameter of 4x8 in vp9_sub_pixel_variance4x8_
and vp9_sub_pixel_avg_variance4x8.

Change-Id: I2ca74d4043817503b21737563994270e3b0619ff

Replace vp9_kf_default_bmode_counts structure with
direct default probabilities. The probability structure is
smaller and it removes the need to specify in the bitstream
how to convert the counts to probabilities.

Note that I have concerns still about the size and value of
the large intra mode context. This may cause problems for
HW but it also means we rely heavily on reverse update as
forwards update of a structure this size is problematic. I
intend to review this more generally in the next few days to
see if we can come up with a competitive solution that does
not rely on such a large context.

Change-Id: I0a36071079d5d26a57ab0e9fbf91af4199aa7984

This one prints out a visual version of the partitioning for human
eyes to follow...

Change-Id: Iba434589a2f55eb069484686d99a382db93b9548

Change-Id: I6c70a8a8a4633399842ac74792003ae5f7859ffa

Deprecate set_block_index. Replace it with get_sb_index_ for
consistency with partition search and bit-stream writing/reading.

Use b_width/height_log2 instead of mi_width/height_log2, to support
4x4 resolution partition types.

Change-Id: Ic1e71981e163c669f7ea6b3c12b831c284c4a494

Replace mi_width/height_log2 with b_width/height_log2 in partition
type parsing at bit-stream writing stage. This allows parsing
resolution at 4x4 block level and makes the 4x4/4x8/8x4 partition
coding consistent with other superblock types.

Change-Id: I7db3617ea042e0db2dc898999b0c323bff91a22f

Test on cif set showed small but consistent compression gain for
almost all encodings with overall impact of .08%. The gains average
aournd .12% combined with D63 adst change.

Test encoding on std-hd set is ongoing..

Change-Id: If4d94799cf0486fb9c770b193e5c386d13d99d59

This code is no longer needed for correct intra prediction.

Change-Id: I822d1a8b0ad0a00e7c4c6e7b2931790c39d1267d

This patch eliminates the intermediate diff buffer usage by
combining the short idct and the add residual into one function.
The encoder can use the same code as well.

Change-Id: Iacfd57324fbe2b7beca5d7f3dcae25c976e67f45

These building blocks enable rate-distortion optimization search
over block sizes of 8x4 and 4x8. Need to convert them into mmx/sse
forms.

Change-Id: I570ea2d22d14ceec3fe3575128d7dfa172a577de

This patch creates a new inter mode contest that avoids
a dependence on the reconstructed motion vectors from
neighboring blocks. This was a change requested by
a hardware vendor to improve decode performance.

As part of this change I have also made some modifications
to stats output code (under a flag) to allow accumulation of
inter mode context flags over multiple clips

Some further changes will be required to accommodate the
deprecation of the split mv mode over the next few days.

Performance as stands is around -0.25% on derf and
std-hd but up on the YT and YT-HD sets. With further tuning
or some adjustment to the context criteria it should be
possible to make this change broadly neutral.

Change-Id: Ia15cb4470969b9e87332a59c546ae0bd40676f6c

Adds a subsampling aware border extension function. This may be reworked
soon to support more than 3 planes.

Change-Id: I76b81901ad10bb1e678dd4f0d22740ca6c76c43b

Change-Id: If6aee510cbc4910f2f24fcd92dddc65fdf8edeea

Remove an assumption about chroma size, and the number of planes.

Change-Id: I286a7fac296ec334c6a8ad847f663f3adbb9f43e

Change-Id: I2408ad22717784a40e23701ccb9d978265440e4f

Change-Id: I8b2687138df636b2b78c8cc5156e3882b0009de0

This commit allows proper transform type (DCT/ADST) selection in
the settings of partition 4x4 level.

Change-Id: Iec6f922a46480d777e7ca9142a99e8c131f0077b

Merge "Moving several static functions from vp9_reconinter.h to vp9_reconinter.c." into experimental

Always initialize the mode_info with sb_type of BLOCK_SIZE_MB16X16
for the first-pass encoding test.

Change-Id: Ic86393eeef981bdd523a5b44cfac3f0b24c068b7

Combining encode_nmv_component with encode_nmv_component_fp
and read_nmv_component with read_nmv_component_fp. Bitstream is slightly
changed (only the order of bits), here are the results on test sets:
stdhd: +0.047, yt: -0.038, derf: +0.001, hd: -0.011.

Change-Id: I1be312e976796df78ca63368702d0ee19f2b8c50

This patch eliminates the intermediate diff buffer usage by
combining the short idct and the add residual into one function.
The encoder can use the same code as well.

Change-Id: Iea7976b22b1927d24b8004d2a3fddae7ecca3ba1

Trial use of a combination of reference frame,
prediction block size and mv to define segmentation.

Change-Id: Ie8946a0446dbad777fdcf7626f89e5af0994db50