sbac: move global tables into x265 namespace

--HG--
branch : stable
extra : source : 1d2d60f4eb81882fa0f3ba6c4e7aa9a220968f7a
asm: 10bpp code for pixel_add_ps_8xN

--HG--
extra : rebase_source : fd8ce2dc92e2efc97eee6aa17441cec84e25f234
asm: 10bpp code for pixel_add_ps_12x16

--HG--
extra : rebase_source : 856d0d075a4af63c649e347b1acdd8ceb17c7e34
asm: 10bpp code for pixel_add_ps_16xN

--HG--
extra : rebase_source : c72660acabe1d6a10636606ec95541db55062b57
asm: 10bpp code for pixel_add_ps_24x32

--HG--
extra : rebase_source : 5d24e24a17cd78cde981161574591e909ac1db3a
asm: 10bpp code for pixel_add_ps_32xN

--HG--
extra : rebase_source : e603010a7726d91f93548c5b99bdf6e6fdee6368
asm: 10bpp code for pixel_add_ps_48x64

--HG--
extra : rebase_source : ffd56ce8f107a1846a64d4c5069ee6a3b228ab33
asm: little improvement(pextrd -> movd, jmp to alignlemt address)

--HG--
extra : rebase_source : 5505f60cf9047c3ada489498211dba29a5dba171
asm: 16bpp asm code for intra_pred_ang4_2

--HG--
extra : rebase_source : 3d4b91d05ed40a1b17e54e0463c451a66f9be80c
asm: 10bpp code for pixel_add_ps_64xN

--HG--
extra : rebase_source : 0b6bac073ae13a7cffae8e4bb6c943e6d33af6d3
asm: 10bpp code for pixel_add_ps_6x8

--HG--
extra : rebase_source : a3584daf3a512bd863076e6cbd9281c7094f3690
asm: 16bpp support for intra_pred_ang4_3

--HG--
extra : rebase_source : 09bde5ac818086a0a6c384276936489be22d2a6a
asm: 16bpp asm code for intra_pred_ang4_4

--HG--
extra : rebase_source : b7925feaab7a771899edc689947937c5568c149e
16bpp: assembly code for intra_planar4

--HG--
extra : rebase_source : 3a221077d48ac6afcef646ebc61767fe8f679fb9
16bpp: assembly code for intra_planar8

--HG--
extra : rebase_source : eb6a4c2568ddc49fdde55e870b021865f61c984a
asm: 16bpp asm code for intra_pred_ang4_5

--HG--
extra : rebase_source : 5027727884e49c294647c6eb3489cfcc8b1df77f
asm: 16bpp asm code for intra_pred_ang4_6

--HG--
extra : rebase_source : f69d2f82af5c516ccfd4066077a83a5400a7862d
Use correct width/height for chroma in ssd calculation
TEncSearch: nit
ratecontrol: make weightp analysis aware of colorspaces