Change-Id: I3528ba1c3fee761918509f9d9dc2d842c69f5a44

instead of vp9_idct32x32_1024_add by making use the eob positions

Change-Id: Iafcad20f0c75d8e00536c6a20dda76fe40a973fb

Change-Id: I58c5436f5c95f6012fb2891cd2a02f76e4870b6a

This should be similar to what x264 does with --aq-mode 1.
It works well with clips like parkjoy and touhou
(http://x264.nl/developers/Dark_Shikari/LosslessTouhou.mkv).
At low bitrates, the segmentation signaling overhead may negate the
benefits of this feature.

(PGW) Default changed to feature OFF to allow provisional merge.
Change-Id: I938abf9bb487e1d4ad3b0264ea03d9826275c70b

Updated the encoder to handle frames that are coded
intra-only. Intra-only frames must be non-showable,
that is, the "show frame" flag must be set to 0 in
the frame header.

Tested by forcing the ARF frames to be coded intra-
only.

Note: The rate control code will need to be modified
to account for intra-only frames better than they
are currently handled.

Change-Id: I6a9dd5337deddcecc599d3a44a7431909ed21079

Remove the semicolon in the definition of vp9_zero macro. Make all
the use cases of vp9_zero of consistent format.

Change-Id: Ibaf9751e8595872b12766381a93d185a4d90df8f

Change-Id: I0a0f9c07e774450896abc9455728b97fd38ef00c

Assertion happens for invalid input data, the commit replace the
assertion with returning error.

Change-Id: I1b73ae752d64882d984cd23936efe75a757c2b41

Change-Id: I698e8df9b336d38bffe01e656acba00d4003695f

The commit added check to make sure no invalid memory access even when
the decoder instance is never initialized.

Change-Id: I4da343d0b3c78c27777ac7f5ce7688562c69f0c5

For bad input data, the decoder may access the array out of bounds. The
commit added clamp to prevent such out of bound access

Change-Id: I0a1cfd9b8786ea7113a998053c76605c963b077a

Remove the unused variable vp9_64x64_zeros from vp9_encodeframe_.

Change-Id: I34bfdcab9a9105440ad05154c1e0516e70258785

Change-Id: Iac55891ac9e6f13718c9f822aa099b5ca491832a

Change-Id: I2d96940fae4c7a16661a43c2bf6907d8b1c1a127

Change-Id: Icbcf68b5b685a56f255ebc3859c9692accdadf9e

Use the zcoeff_blk buffer of PICK_MODE_CONTEXT to store the indexes
of all-zero-coeff block of the current best mode. Remove the temporary
buffer best_zcoeff_blk defined in the rate-distortion optimization
loop. This improves the speed performance by about 0.5% in all speed
settings.

Change-Id: Ie3e15988ddfa581eafa2e19a8228d3fe4a46095c

Change-Id: Idd7bdb0c364d94c5a0d24c87bb8574292e4c840c

Change-Id: If14265084e9b4c85c75b43e8d33a6fafad468cbc

Replacing
  22 with TREE_SIZE(MAX_ENTROPY_TOKENS)
  12 with MAX_ENTROPY_TOKENS

Change-Id: If24919336e8ace9cf64991bd5ae33fa6656f7b93

Moving entropy context calculation to outer scope and adding consts to
pointers.

Change-Id: I25d0987e97495326ab1e8046e3fa3082c0584485

This commit moves token_cache buffer into macroblock struct, instead
of defining as a local variable in cost_coeffs. This avoids repeatedly
re-allocating memory space in the rate-distortion optimization loop.

The runtime at speed 0 reduces:
bus 2000kbps, 161692ms to 159951ms
football 600kbps, 229505ms to 225821ms

Change-Id: If7da6b0b6d8c5138a16271a33c4548fba33d8840

Also renaming dest_stride to stride in some places.

Change-Id: I75f602b623a5a7071d4922b747c45fa0b7d7a940

Using TREE_SIZE for the following trees:
  vp9_intra_mode_tree
  vp9_inter_mode_tree
  vp9_partition_tree
  vp9_switchable_interp_tree
  vp9_mv_joint_tree
  vp9_mv_class_tree
  vp9_mv_class0_tree
  vp9_mv_fp_tree

Change-Id: I0212bb4c1ee6648249f68517e28a67a56591ee1b

Renames:
  vp9_iht_add       -> vp9_iht4x4_add
  vp9_iht_add_8x8   -> vp9_iht8x8_add
  vp9_iht_add_16x16 -> vp9_iht16x16_add

Change-Id: I8f1a2913e02d90d41f174f27e4ee2fad0dbd4a21

`round` is defined in the runtime library now.
https://codereview.chromium.org/23922008/

Change-Id: I3852740058d32f63ce283579acbe284865e32dba

Renames:
  vp9_short_iht4x4_add     -> vp9_iht4x4_16_add
  vp9_short_iht8x8_add     -> vp9_iht8x8_64_add
  vp9_short_iht16x16_add_c -> vp9_iht16x16_256_add

Change-Id: Ibca7a188fd062b196787ac5efc1ea545e7f166c0

Also adding static to iadst16_1d and fadst16 functions.

Change-Id: I13c7df3b776f0f8efc6e80099bdb0a2f6d29edaf

Values of MODE_UPDATE_PROB and VP9_COEF_UPDATE_PROB are equal, so replacing
them with one constant. Inlining appropriate arguments for functions:
  vp9_cond_prob_diff_update (encoder)
  vp9_diff_update_prob (decoder)

Change-Id: I1255a1cb477743b799b3bfbbcd8de6b32b067338

Converts the constant rddiv parameter to 128 (from 100) and
implements RDCOST with bit-shift rather than multiplication.
Other parameters are also adjusted to roughly keep the same
balance between Rate and Distortion.

There is a slight speed-up of about 0.5-1% (at speed 0) as
testted on football_cif.

There is a slight change in performance due to small change
in the parameters.
derfraw300: +0.033%
stdhdraw250; +0.102%

Change-Id: I70ac69f58fa71c83108f68fe41796cd19d1fc760

The commit changes to mask available intra prediction modes for test
based on prediction block size.

With this patch, encoding time of CpuUsed 2 reduces from 10% to 20% for
HD clips with a compression drop of 0.2%

Change-Id: I65f320f1237c0f5ae3a355bf7caf447f55625455

Minor code cleanup.

Change-Id: I47c1f794842d4570bb39cfd23b80f54f5606bba6

When the codec in VBR (or cq) mode hits its max q limits and is
struggling to hit a target bandwidth, the bit target per frame collapses.

In the first instance normal frames cap out at the maximum allowed
Q and then the ARF and GFs do the same. This latter behavior is not
generally desirable as GFs and ARFs are only effective from a quality
and data rate perspective if they have at lease some level of -Q delta
compared to the surrounding frames.

In this patch I define a separate max Q for GFs and ARFs that is
derived from but somewhat lower than that defined for normal frames.
In effect there is a minimum Q delta that will always be available for
GFs and ARFs regardless of the target rate and MAXQ setting.

This may of course mean that the absolute lowest rate obtainable for
a given clip is somewhat higher.

Change-Id: I268868b28401900d0cd87e51e609cd3b784ab54a

For VBR coding disable the recode loop for speeds > 0.

Results pending.

Change-Id: I2cd9a87c3fcbe39c05b954798d0671a4ca62c37f

It is used only two times and it is more clear to use real type instead
of typedef.

Change-Id: Idc25c16504c3da4d040e0cdb33a2987631bb6a5b

We have two SSE2-optimized functions for idct4_1d:
  vp9_idct4_1d_sse2 <-- removing this one
  idct4_1d_sse2

vp9_idct4_1d_sse2 was used only by the following functions which already
have SSE2 optimized variants:
  vp9_idct4x4_16_add_c   -> vp9_idct4x4_16_add_see2
  idct8_1d               -> vp9_idct8x8_{16, 10, 1}_see2
  vp9_short_iht4x4_add_c -> vp9_short_iht4x4_add_see2

Change-Id: Ib0a7f6d1373dbaf7a4a41208cd9d0671fdf15edb

byte version of ronalds d207 ssse3 optimizations
(commit: f891f84d3ba9345b0074e682f0fea09b8ddf4f1e)

Change-Id: If15f71a589ea16f78ac86a501b0c5c6231dc9af1

To ensure fast encoding/decoding on devices without ssse3 support,
SSE2 optimization of sub-pixel filters was done. Test using 1080p
clip showed the decoder speeds were ~70fps with ssse3 filters, ~60fps
with sse2 filters, and ~15fps with c filters.

Change-Id: Ie2088f87d83a889fba80a613e4d0e287aadd785c

This is needed to fix mbgraph but shouldn't affect anything else

Change-Id: I2f515052f62e348cd3794b7ff0c139802225ea95

Change-Id: Ifef756a3a91423bb9f5411f06fa092027be21ecf

Renames:
  fdct4_1d   -> fdct4
  fadst4_1d  -> fadst4
  fdct8_1d   -> fdct8
  fadst8_1d  -> fadst8
  fdct16_1d  -> fdct16
  fadst16_1d -> fadst16

"_1d" suffix is redundant, so removing it. The same will happen with idct
in the next change sets.

Change-Id: Ibf421cd2f569146c6079269df7a31819c098265e