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For speed 3 and above, such search is only allowed at speed 3.
The change helped cif and stdhd set by 1.2% and .7% in compression,
but increased the encoding time by around 5%.

Change-Id: Ifa4832327f1c1bef3decb032ceb769cbf50e059f

lost in the shuffle of:
4fd63175 Remove duplicate code in test/webm_video_source.h

Change-Id: I89792fa17f03920616c55486bbdaf56c6461c9eb

Change-Id: I983364b33e8f103b43a0448821e890989176f1cc

Change-Id: Id48edd12c6f649c82113128491ef6ea7410e93b2

Change-Id: I922d988486b47f413d11a8eeb38532a484d15c80

Remove duplicate WebM parsing code in test/webm_video_source.h and linking it
against webmdec.c which does the exact same thing.

Change-Id: Ib7152eecde890fca58be42028cab18c9cb54221c

Remove call to warn() in webmdec.c so that it does not depend on
tools_common.c for compilation.

Change-Id: I2790e837985ce1d84b35f5a20c783d0e6020a9f5

Use the correct buffer to update the coding mode decision for
sub8x8 blocks.

Change-Id: I091ef27d2047eeb8b73ceb7c2c7c45b38ba8c6d5

Change-Id: I43de248615b79828d5164b670e7358b8a520d075

Change-Id: Idca7c1cd8a12df465c58b6ba064a99404b3b4bce

Use cq_level (which is identical) from VP9_CONFIG instead.

Change-Id: I1aaf2fcef3d2dbd4577f613d27693ff8a68989fd

Change-Id: I2d577d11966fcc5ffaaf0896bf51d18078ad1e9c

To make direct side by side testing this patch combines two
VBR corrections schemes to allow more direct side by side testing.
(The other patch was by Debargha chg id I0cd1f7...)

Change-Id: I271c45e5c4ccf8de8305589000218b80d9dc3a25

The background detection only tracks luma component. This commits
removes the frame buffer pointer retrieval for chroma components.

Change-Id: I098bd2950f5e5829ed5dc2b48568167248da7fad

this is error prone, int64 will suffice for all cases

Change-Id: I94883f93518cfc356ed57b14dc39d79aebccf47d

Change-Id: Ia7d33bc3eb595965bccf4b2231df1e3b2a0243c6

Change-Id: Ibc770df77939a68f9f0d1d78c0edd737b0d398ad

Change-Id: I00bceb9de2009963c91e5102564c05c31ac1ad78

This patch sets up a quad_tree structure (pc_tree) for holding all of
pick_mode_context data we use at any square block size during encoding
or picking modes.  That includes contexts for 2 horizontal and 2 vertical
splits, one none, and pointers to 4 sub pc_tree nodes corresponding
to split.  It also includes a pointer to the current chosen partitioning.

This replaces code that held an index for every level in the pick
modes array including:  sb_index, mb_index,
b_index, ab_index.

These were used as stateful indexes that pointed to the current pick mode
contexts you had at each level stored in the following arrays

array ab4x4_context[][][],
sb8x4_context[][][], sb4x8_context[][][], sb8x8_context[][][],
sb8x16_context[][][], sb16x8_context[][][], mb_context[][], sb32x16[][],
sb16x32[],  sb32_context[], sb32x64_context[], sb64x32_context[],
sb64_context

and the partitioning that had been stored in the following:
b_partitioning, mb_partitioning, sb_partitioning, and sb64_partitioning.

Prior to this patch before doing an encode you had to set the appropriate
index for your block size ( switch statement),  update it ( up to 3
lookups for the index array value) and then make your call into a recursive
function at which point you'd have to call get_context which then
had to do a switch statement based on the blocksize,  and then up to 3
lookups based upon the block size to find the context to use.

With the new code the context for the block size is passed around directly
avoiding the extraneous switch statements and multi dimensional array
look ups that were listed above.   At any level in the search all of the
contexts are local to the pc_tree you are working on (in?).

In addition in most places code that used to call sub functions and
then check if the block size was 4x4 and index was > 0 and return
now don't preferring instead to call the right none function on the inside.



Change-Id: I06e39318269d9af2ce37961b3f95e181b57f5ed9

Change-Id: I86b85b5c11388e84a48f8936330c0d920df5d1f0

There is no need to initialize source/dst frame buffers at frame
level. These will be done at block coding stage. This commit hence
removes the redundant operations.

Change-Id: I11d9f2556058c6205c8e58ed53e31f78622c41b7