1 ;*****************************************************************************
2 ;* deblock-a.asm: h264 encoder library
3 ;*****************************************************************************
4 ;* Copyright (C) 2005-2008 x264 project
6 ;* Authors: Loren Merritt <lorenm@u.washington.edu>
8 ;* This program is free software; you can redistribute it and/or modify
9 ;* it under the terms of the GNU General Public License as published by
10 ;* the Free Software Foundation; either version 2 of the License, or
11 ;* (at your option) any later version.
13 ;* This program is distributed in the hope that it will be useful,
14 ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 ;* GNU General Public License for more details.
18 ;* You should have received a copy of the GNU General Public License
19 ;* along with this program; if not, write to the Free Software
20 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
21 ;*****************************************************************************
26 pb_00: times 16 db 0x00
27 pb_01: times 16 db 0x01
28 pb_03: times 16 db 0x03
29 pb_a1: times 16 db 0xa1
33 ; expands to [base],...,[base+7*stride]
34 %define PASS8ROWS(base, base3, stride, stride3) \
35 [base], [base+stride], [base+stride*2], [base3], \
36 [base3+stride], [base3+stride*2], [base3+stride3], [base3+stride*4]
38 ; in: 8 rows of 4 bytes in %1..%8
39 ; out: 4 rows of 8 bytes in m0..m3
40 %macro TRANSPOSE4x8_LOAD 8
69 ; in: 4 rows of 8 bytes in m0..m3
70 ; out: 8 rows of 4 bytes in %1..%8
71 %macro TRANSPOSE8x4_STORE 8
111 ; in: 8 rows of 8 (only the middle 6 pels are used) in %1..%8
112 ; out: 6 rows of 8 in [%9+0*16] .. [%9+5*16]
113 %macro TRANSPOSE6x8_MEM 9
121 SBUTTERFLY bw, m0, m1, m7
122 SBUTTERFLY bw, m2, m3, m1
123 SBUTTERFLY bw, m4, m5, m3
125 SBUTTERFLY bw, m6, %8, m5
126 SBUTTERFLY wd, m0, m2, m1
127 SBUTTERFLY wd, m4, m6, m2
130 SBUTTERFLY wd, m7, [%9+0x10], m6
131 SBUTTERFLY wd, m3, m5, m4
132 SBUTTERFLY dq, m7, m3, m0
133 SBUTTERFLY dq, m1, m2, m5
142 ; in: 8 rows of 8 in %1..%8
143 ; out: 8 rows of 8 in %9..%16
144 %macro TRANSPOSE8x8_MEM 16
152 SBUTTERFLY bw, m0, m1, m7
153 SBUTTERFLY bw, m2, m3, m1
154 SBUTTERFLY bw, m4, m5, m3
155 SBUTTERFLY bw, m6, %8, m5
157 SBUTTERFLY wd, m0, m2, m3
158 SBUTTERFLY wd, m4, m6, m2
159 SBUTTERFLY wd, m7, m1, m6
162 SBUTTERFLY wd, m2, m5, m1
163 SBUTTERFLY dq, m0, m4, m5
164 SBUTTERFLY dq, m7, m2, m4
169 SBUTTERFLY dq, m3, %11, m0
170 SBUTTERFLY dq, m6, m1, m5
177 ; out: %4 = |%1-%2|>%3
188 ; out: %4 = |%1-%2|>%3
209 ; in: m0=p1 m1=p0 m2=q0 m3=q1 %1=alpha-1 %2=beta-1
210 ; out: m5=beta-1, m7=mask, %3=alpha-1
217 packuswb m4, m4 ; 16x alpha-1
218 packuswb m5, m5 ; 16x beta-1
222 DIFF_GT m1, m2, m4, m7, m6 ; |p0-q0| > alpha-1
223 DIFF_GT m0, m1, m5, m4, m6 ; |p1-p0| > beta-1
225 DIFF_GT m3, m2, m5, m4, m6 ; |q1-q0| > beta-1
231 ; in: m0=p1 m1=p0 m2=q0 m3=q1 m7=(tc&mask)
234 %macro DEBLOCK_P0_Q0 0
237 pand m5, [pb_01 GLOBAL] ; (p0^q0)&1
240 pavgb m3, m0 ; (p1 - q1 + 256)>>1
241 pavgb m3, [pb_03 GLOBAL] ; (((p1 - q1 + 256)>>1)+4)>>1 = 64+2+(p1-q1)>>2
243 pavgb m4, m2 ; (q0 - p0 + 256)>>1
245 paddusb m3, m4 ; d+128+33
246 mova m6, [pb_a1 GLOBAL]
248 psubusb m3, [pb_a1 GLOBAL]
258 ; %1=p1 %2=q2 %3=[q2] %4=[q1] %5=tc0 %6=tmp
259 ; out: [q1] = clip( (q2+((p0+q0+1)>>1))>>1, q1-tc0, q1+tc0 )
260 ; clobbers: q2, tmp, tc0
264 pavgb %2, %6 ; avg(p2,avg(p0,q0))
266 pand %6, [pb_01 GLOBAL] ; (p2^avg(p0,q0))&1
267 psubusb %2, %6 ; (p2+((p0+q0+1)>>1))>>1
277 ;-----------------------------------------------------------------------------
278 ; void x264_deblock_v_luma_sse2( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
279 ;-----------------------------------------------------------------------------
281 cglobal x264_deblock_v_luma_sse2
287 add r4, r0 ; pix-3*stride
289 mova m0, [r4+r1] ; p1
290 mova m1, [r4+2*r1] ; p0
292 mova m3, [r0+r1] ; q1
296 punpcklbw m8, m8 ; tc = 4x tc0[3], 4x tc0[2], 4x tc0[1], 4x tc0[0]
303 DIFF_GT2 m1, m3, m5, m6, m7 ; |p2-p0| > beta-1
308 LUMA_Q1 m0, m3, [r4], [r4+r1], m6, m4
310 movdqa m4, [r0+2*r1] ; q2
311 DIFF_GT2 m2, m4, m5, m6, m3 ; |q2-q0| > beta-1
316 LUMA_Q1 m3, m4, [r0+2*r1], [r0+r1], m8, m6
323 ;-----------------------------------------------------------------------------
324 ; void x264_deblock_h_luma_sse2( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
325 ;-----------------------------------------------------------------------------
327 cglobal x264_deblock_h_luma_sse2
335 ; transpose 6x16 -> tmp space
336 TRANSPOSE6x8_MEM PASS8ROWS(rax, r9, r10, r11), pix_tmp
339 TRANSPOSE6x8_MEM PASS8ROWS(rax, r9, r10, r11), pix_tmp+8
342 ; alpha, beta, tc0 are still in r2d, r3d, r4
343 ; don't backup rax, r9, r10, r11 because x264_deblock_v_luma_sse2 doesn't use them
344 lea r0, [pix_tmp+0x30]
346 call x264_deblock_v_luma_sse2
348 ; transpose 16x4 -> original space (only the middle 4 rows were changed by the filter)
351 movq m0, [pix_tmp+0x18]
352 movq m1, [pix_tmp+0x28]
353 movq m2, [pix_tmp+0x38]
354 movq m3, [pix_tmp+0x48]
355 TRANSPOSE8x4_STORE PASS8ROWS(rax, r9, r10, r11)
361 movq m0, [pix_tmp+0x10]
362 movq m1, [pix_tmp+0x20]
363 movq m2, [pix_tmp+0x30]
364 movq m3, [pix_tmp+0x40]
365 TRANSPOSE8x4_STORE PASS8ROWS(rax, r9, r10, r11)
372 %macro DEBLOCK_LUMA 3
373 ;-----------------------------------------------------------------------------
374 ; void x264_deblock_v8_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
375 ;-----------------------------------------------------------------------------
376 cglobal x264_deblock_%2_luma_%1, 5,5
381 add r4, r0 ; pix-3*stride
382 %assign pad 2*%3+12-(stack_offset&15)
385 mova m0, [r4+r1] ; p1
386 mova m1, [r4+2*r1] ; p0
388 mova m3, [r0+r1] ; q1
394 punpcklbw m4, m4 ; tc = 4x tc0[3], 4x tc0[2], 4x tc0[1], 4x tc0[0]
395 mova [esp+%3], m4 ; tc
399 mova [esp], m4 ; mask
402 DIFF_GT2 m1, m3, m5, m6, m7 ; |p2-p0| > beta-1
404 pand m4, [esp+%3] ; tc
408 LUMA_Q1 m0, m3, [r4], [r4+r1], m6, m4
410 mova m4, [r0+2*r1] ; q2
411 DIFF_GT2 m2, m4, m5, m6, m3 ; |q2-q0| > beta-1
412 mova m5, [esp] ; mask
414 mova m5, [esp+%3] ; tc
418 LUMA_Q1 m3, m4, [r0+2*r1], [r0+r1], m5, m6
426 ;-----------------------------------------------------------------------------
427 ; void x264_deblock_h_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
428 ;-----------------------------------------------------------------------------
430 cglobal x264_deblock_h_luma_%1, 0,5
436 %assign pad 0x78-(stack_offset&15)
438 %define pix_tmp esp+12
440 ; transpose 6x16 -> tmp space
441 TRANSPOSE6x8_MEM PASS8ROWS(r0, r1, r3, r4), pix_tmp
444 TRANSPOSE6x8_MEM PASS8ROWS(r0, r1, r3, r4), pix_tmp+8
447 lea r0, [pix_tmp+0x30]
453 call x264_deblock_%2_luma_%1
455 add dword [esp ], 8 ; pix_tmp+0x38
456 add dword [esp+16], 2 ; tc0+2
457 call x264_deblock_%2_luma_%1
461 ; transpose 16x4 -> original space (only the middle 4 rows were changed by the filter)
466 movq m0, [pix_tmp+0x10]
467 movq m1, [pix_tmp+0x20]
468 movq m2, [pix_tmp+0x30]
469 movq m3, [pix_tmp+0x40]
470 TRANSPOSE8x4_STORE PASS8ROWS(r0, r1, r3, r4)
474 movq m0, [pix_tmp+0x18]
475 movq m1, [pix_tmp+0x28]
476 movq m2, [pix_tmp+0x38]
477 movq m3, [pix_tmp+0x48]
478 TRANSPOSE8x4_STORE PASS8ROWS(r0, r1, r3, r4)
482 %endmacro ; DEBLOCK_LUMA
485 DEBLOCK_LUMA mmxext, v8, 8
487 DEBLOCK_LUMA sse2, v, 16
493 %macro LUMA_INTRA_P012 4 ; p0..p3 in memory
498 pavgb t0, t1 ; ((p2+p1+1)/2 + (p0+q0+1)/2 + 1)/2
511 psubb t0, t2 ; p1' = (p2+p1+p0+q0+2)/4;
518 psubb t3, t2 ; p2+2*p1+2*p0+2*q0+q1
522 pavgb t1, t5 ; (((p2+q1)/2 + p1+1)/2 + (p0+q0+1)/2 + 1)/2
527 psubb t1, t3 ; p0'a = (p2+2*p1+2*p0+2*q0+q1+4)/8
535 pavgb t2, p1 ; p0'b = (2*p1+p0+q0+2)/4
543 mova %1, t1 ; store p0
549 pavgb t1, t0 ; (p3+p2+1)/2 + (p2+p1+p0+q0+2)/4
551 paddb t2, t4 ; 2*p3+3*p2+p1+p0+q0
556 psubb t1, t2 ; p2' = (2*p3+3*p2+p1+p0+q0+4)/8
564 mova %2, t0 ; store p1
565 mova %3, t1 ; store p2
568 %macro LUMA_INTRA_SWAP_PQ 0
574 %define mask1p mask1q
577 %macro DEBLOCK_LUMA_INTRA 2
593 %define mask1q [rsp-24]
597 %define spill(x) [esp+16*x+((stack_offset+4)&15)]
602 %define mask0 spill(2)
603 %define mask1p spill(3)
604 %define mask1q spill(4)
605 %define mpb_00 [pb_00 GLOBAL]
606 %define mpb_01 [pb_01 GLOBAL]
609 ;-----------------------------------------------------------------------------
610 ; void x264_deblock_v_luma_intra_sse2( uint8_t *pix, int stride, int alpha, int beta )
611 ;-----------------------------------------------------------------------------
612 cglobal x264_deblock_%2_luma_intra_%1, 4,6
617 lea r5, [r1*3] ; 3*stride
623 add r4, r0 ; pix-4*stride
630 mova mpb_01, [pb_01 GLOBAL]
631 LOAD_MASK r2d, r3d, t5 ; m5=beta-1, t5=alpha-1, m7=mask0
632 SWAP 7, 12 ; m12=mask0
634 pavgb t5, mpb_01 ; alpha/4+1
637 DIFF_GT2 p0, q0, t5, t0, t3 ; t0 = |p0-q0| > alpha/4+1
638 DIFF_GT2 p0, p2, m5, t2, t5 ; mask1 = |p2-p0| > beta-1
639 DIFF_GT2 q0, q2, m5, t4, t5 ; t4 = |q2-q0| > beta-1
646 LOAD_MASK r2d, r3d, t5 ; m5=beta-1, t5=alpha-1, m7=mask0
649 pavgb m4, [pb_00 GLOBAL]
650 pavgb m4, [pb_01 GLOBAL] ; alpha/4+1
651 DIFF_GT2 p0, q0, m4, m6, m7 ; m6 = |p0-q0| > alpha/4+1
653 DIFF_GT2 p0, p2, m5, m4, m7 ; m4 = |p2-p0| > beta-1
656 DIFF_GT2 q0, q2, m5, m4, m7 ; m4 = |q2-q0| > beta-1
660 LUMA_INTRA_P012 [r4+r5], [r4+2*r1], [r4+r1], [r4]
662 LUMA_INTRA_P012 [r0], [r0+r1], [r0+2*r1], [r0+r5]
671 ;-----------------------------------------------------------------------------
672 ; void x264_deblock_h_luma_intra_sse2( uint8_t *pix, int stride, int alpha, int beta )
673 ;-----------------------------------------------------------------------------
674 cglobal x264_deblock_h_luma_intra_%1
682 ; transpose 8x16 -> tmp space
683 TRANSPOSE8x8_MEM PASS8ROWS(rax, r9, r10, r11), PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30)
686 TRANSPOSE8x8_MEM PASS8ROWS(rax, r9, r10, r11), PASS8ROWS(pix_tmp+8, pix_tmp+0x38, 0x10, 0x30)
688 lea r0, [pix_tmp+0x40]
690 call x264_deblock_v_luma_intra_%1
692 ; transpose 16x6 -> original space (but we can't write only 6 pixels, so really 16x8)
694 TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp+8, pix_tmp+0x38, 0x10, 0x30), PASS8ROWS(rax, r9, r10, r11)
699 TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30), PASS8ROWS(rax, r9, r10, r11)
703 cglobal x264_deblock_h_luma_intra_%1, 2,4
707 %assign pad 0x8c-(stack_offset&15)
711 ; transpose 8x16 -> tmp space
712 TRANSPOSE8x8_MEM PASS8ROWS(r0, r2, r1, r3), PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30)
715 TRANSPOSE8x8_MEM PASS8ROWS(r0, r2, r1, r3), PASS8ROWS(pix_tmp+8, pix_tmp+0x38, 0x10, 0x30)
717 lea r0, [pix_tmp+0x40]
722 call x264_deblock_%2_luma_intra_%1
724 add dword [rsp], 8 ; pix_tmp+8
725 call x264_deblock_%2_luma_intra_%1
734 ; transpose 16x6 -> original space (but we can't write only 6 pixels, so really 16x8)
735 TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30), PASS8ROWS(r0, r2, r1, r3)
738 TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp+8, pix_tmp+0x38, 0x10, 0x30), PASS8ROWS(r0, r2, r1, r3)
742 %endmacro ; DEBLOCK_LUMA_INTRA
745 DEBLOCK_LUMA_INTRA sse2, v
748 DEBLOCK_LUMA_INTRA mmxext, v8
755 %macro CHROMA_V_START 0
763 %macro CHROMA_H_START 0
775 ;-----------------------------------------------------------------------------
776 ; void x264_deblock_v_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
777 ;-----------------------------------------------------------------------------
778 cglobal x264_deblock_v_chroma_mmxext, 5,6
784 call chroma_inter_body_mmxext
789 ;-----------------------------------------------------------------------------
790 ; void x264_deblock_h_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
791 ;-----------------------------------------------------------------------------
792 cglobal x264_deblock_h_chroma_mmxext, 5,7
794 %define buf0 [rsp-24]
795 %define buf1 [rsp-16]
801 TRANSPOSE4x8_LOAD PASS8ROWS(t5, r0, r1, t6)
804 call chroma_inter_body_mmxext
807 TRANSPOSE8x4_STORE PASS8ROWS(t5, r0, r1, t6)
811 chroma_inter_body_mmxext:
821 ; in: %1=p0 %2=p1 %3=q1
822 ; out: p0 = (p0 + q1 + 2*p1 + 2) >> 2
823 %macro CHROMA_INTRA_P0 3
826 pand m4, [pb_01 GLOBAL] ; m4 = (p0^q1)&1
829 pavgb %1, %2 ; dst = avg(p1, avg(p0,q1) - ((p0^q1)&1))
835 ;-----------------------------------------------------------------------------
836 ; void x264_deblock_v_chroma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta )
837 ;-----------------------------------------------------------------------------
838 cglobal x264_deblock_v_chroma_intra_mmxext, 4,5
844 call chroma_intra_body_mmxext
849 ;-----------------------------------------------------------------------------
850 ; void x264_deblock_h_chroma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta )
851 ;-----------------------------------------------------------------------------
852 cglobal x264_deblock_h_chroma_intra_mmxext, 4,6
854 TRANSPOSE4x8_LOAD PASS8ROWS(t5, r0, r1, t6)
855 call chroma_intra_body_mmxext
856 TRANSPOSE8x4_STORE PASS8ROWS(t5, r0, r1, t6)
860 chroma_intra_body_mmxext:
864 CHROMA_INTRA_P0 m1, m0, m3
865 CHROMA_INTRA_P0 m2, m3, m0