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This change set is intermediate. The next one will remove all repetitive
plane_bsize calculations, because it will be passed as argument to
foreach_transformed_block_visitor.

Change-Id: Ifc12e0b330e017c6851a28746b3a5460b9bf7f0b

Initialize the best mode and tx_size values in the rate-distortion
optimization search loop.

Change-Id: Ibfb5c0895691f172abcd4265c23aef4cb99fa8af

Return the distortion value in vp9_rd_pick_intra_mode_sb as sum of
dist_y and dist_uv. Remove the right shift operation on dist_uv,
and make it consistent with that of vp9_rd_pick_inter_mode_sb.

Change-Id: I9d564e242d9add38e32595d33b0e0dddb1d55e5b

Redundant dst, pre[2] from build_inter_predictors_args, unused cm from
encode_b_args.

Change-Id: I2c476cd328c5c0cca4c78ba451ca6ba2a2c37e2d

Change-Id: Ia26a2526804e7e2f656b0051618a615fca8fc79d

saving and restoring of D registers.

Change-Id: Id3630c90fcb160ef939fef55411342608af5f990

Change-Id: I3814984a624bc64147c57efa74fbdda8eda47262

The destination is block-aligned so it is safe to use aligned
stores.

Change-Id: I38261e4fa40bc60e6472edffece59e372908da7e

Updating foreach_transformed_block_visitor and corresponding functions
to accept tx_size instead of ss_txfrm_size. List of functions per file:

vp9_decodframe.c
  decode_block
  decode_block_intra

vp9_detokenize.c
  decode_block

vp9_encodemb.c
  optimize_block
  vp9_xform_quant
  vp9_encode_block_intra

vp9_rdopt.c
  dist_block
  rate_block
  block_yrd_txfm

vp9_tokenize.c
  set_entropy_context_b
  tokenize_b
  is_skippable

Change-Id: I351bf563eb36cf34db71c3f06b9bbc9a61b55b73

When the frame size changes the last frame segment map must
be resized to match and initialized to 0.

Change-Id: Idc10de109f55dbe9af3a6caae355a2974712243d

This commit makes the rate-distortion optimization search of chroma
components consistent across all block sizes. It removes redundant
codes.

Change-Id: I7e76f54d045e8efdd41d84a164c71f55b484471b

Updated function signatures:
  txfrm_block_to_raster_block
  txfrm_block_to_raster_xy
  extend_for_intra
  vp9_optimize_b

Change-Id: I7213f4c4b1b9ec802f90621d5ba61d5e4dac5e0a

Change-Id: I4fad357465022d14bfc7e13b348c6da267587314

27 degrees intra predictor is actually 207 degrees, so renaming it.

Change-Id: Ife96a910437eb80ccdc0b7a5b7a62c77542ae5be

Break up long dependency chains to improve instruction scheduling.

Change-Id: I0e0cb66943df24af920767bb4167b25c38af9630

VP9_COMMON is the right place to segmentatation struct because it has
global segmentation parameters, not something specific to macroblock
processing.

Change-Id: Ib9ada0c06c253996eb3b5f6cccf6a323fbbba708

Change-Id: I17c7d7eaa60fe69c543403c340f7c1078bfd339f

Adds a speed feature to disable split partition search based on a
given threshold on the source variance. A tighter threshold derived
from the threshold provided is used to also disable horizontal and
vertical partitions.

Results on derfraw300:
threshold = 16, psnr = -0.057%, speedup ~1% (football)
threshold = 32, psnr = -0.150%, speedup ~4-5% (football)
threshold = 64, psnr = -0.570%, speedup ~10-12% (football)

Results on stdhdraw250:
threshold = 32, psnr = -0.18%, speedup is somewhat more than derf
because of a larger number of smoother blocks at higher resolution.

Based on these results, a threshold of 32 is chosen for speed 1,
and a threshold of 64 is chosen for speeds 2 and above.

Change-Id: If08912fb6c67fd4242d12a0d094783a99f52f6c6

This commit unifies the rate-distortion cost calculation process of
luma and chroma components. It allows early termination to be enabled
later in the rd search loop of chroma components, in consistent with
luma pixels.

Change-Id: I2e52a7c6496176bf2a5e3ef338d34ceb8aad9b3d

avoids a crash caused by issue #585

Change-Id: I301595ee0227699b0da6f0dad6d870dd546e94ef

Change-Id: I27134b9a5cace2bdad53534562c91d829b48838d

Making foreach_transformed_block_in_plane more clear (it's not finished
yet). Using explicit tx_size variable consistently instead of
(ss_txfrm_size / 2) or (ss_txfrm_size >> 1) expression.

Change-Id: I1b9bba2c0a9f817fca72c88324bbe6004766fb7d

Adding const to above and left pointers. Cleanup.

Change-Id: I51e195fa2e2923048043fe68b4e38a47ee82cda1

Change-Id: I33cff9ac4f2234558f6f87729f9b2e88a33fbf58

Change-Id: I15adbbda15d1842e9f15f21878a5ffbb75c3c0c9

The macro block mode info context originally contained an
entry for each 16x16 macroblock. In VP9 each entry refers
to an 8x8 region not a macro block, so the naming is misleading.

This first stage clean up changes the names of 3 entries in the
structure to remove the mb_ prefix.

TODO clean up the nomenclature more widely in respect of
mbmi and bmi.

Change-Id: Ia7305c6d0cb805dfe8cdc98dad21338f502e49c6

Don't do vertical or horizontal splits if subsize < min_partition_size,
except for edge blocks where it makes sense.

Change-Id: I479aa66ba1838d227b5de8312d46be184a8d6401

Refactor choose_largest_txfm_size_ and make it find the largest
transform size via lookup table.

Change-Id: I685e0396d71111b599d5367ab1b9c934bd5490c8

Delete unused / commented out  variable references.

Change-Id: Iaf20c0c3744f89adb296d153b516b5ea41b4f3b4

Change-Id: I3ed4beb59371fe21ca3e82253aa98e0cbd5e0630

Change-Id: If0b04c476c34fb8c102c9f750d7fe5669a86a532

Enable SSE2 implementation of high precision 32x32 forward DCT. The
intermediate stacks are of 32-bits. The run-time goes down from
32126 cycles to 13442 cycles.

Change-Id: Ib5ccafe3176c65bd6f2dbdef790bd47bbc880e56

Remove unnecessary conditional branches in model-based transform
size search.

Change-Id: Ic862dc33ed6710a186f6248239dd5f09b5c19981

Change-Id: I272df2e33fa05310466acf06c179728514dd7494

Change-Id: I77b42418b852093f79260cbd880533a0bd86678f

Change-Id: Id2b126c6456627c25e4041a82e304d0151d951ba

Change-Id: I3c45916a9059f11b41e9d798e34ffee052969a44

Adding function build_inter_predictors_for_planes to build inter
predictors for specified planes. This function allows to remove
condition "#if CONFIG_ALPHA" and use MAX_MB_PLANE for general case.
Renaming 'which_mv' local var to 'ref', and 'weight' argument to 'ref'.

Change-Id: I1a97160c9263006929d38953f266bc68e9c56c7d

Reusing existing functions, using constants instead of magic numbers.

Change-Id: Idc689ffba52c9a8b203fcf26bd67110ecb5635f9

Loop filter level moved to common but this case missed.

Change-Id: I7fcb557e46ef4ed8e2b5e9c3e82cb042b55bbd7f