mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
330 lines
7.8 KiB
330 lines
7.8 KiB
;****************************************************************************** |
|
;* VC1 deblocking optimizations |
|
;* Copyright (c) 2009 David Conrad |
|
;* |
|
;* This file is part of Libav. |
|
;* |
|
;* Libav is free software; you can redistribute it and/or |
|
;* modify it under the terms of the GNU Lesser General Public |
|
;* License as published by the Free Software Foundation; either |
|
;* version 2.1 of the License, or (at your option) any later version. |
|
;* |
|
;* Libav is distributed in the hope that it will be useful, |
|
;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
;* Lesser General Public License for more details. |
|
;* |
|
;* You should have received a copy of the GNU Lesser General Public |
|
;* License along with Libav; if not, write to the Free Software |
|
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
;****************************************************************************** |
|
|
|
%include "x86inc.asm" |
|
%include "x86util.asm" |
|
|
|
cextern pw_4 |
|
cextern pw_5 |
|
|
|
section .text |
|
|
|
; dst_low, dst_high (src), zero |
|
; zero-extends one vector from 8 to 16 bits |
|
%macro UNPACK_8TO16 4 |
|
mova m%2, m%3 |
|
punpckh%1 m%3, m%4 |
|
punpckl%1 m%2, m%4 |
|
%endmacro |
|
|
|
%macro STORE_4_WORDS_MMX 6 |
|
movd %6d, %5 |
|
%if mmsize==16 |
|
psrldq %5, 4 |
|
%else |
|
psrlq %5, 32 |
|
%endif |
|
mov %1, %6w |
|
shr %6, 16 |
|
mov %2, %6w |
|
movd %6d, %5 |
|
mov %3, %6w |
|
shr %6, 16 |
|
mov %4, %6w |
|
%endmacro |
|
|
|
%macro STORE_4_WORDS_SSE4 6 |
|
pextrw %1, %5, %6+0 |
|
pextrw %2, %5, %6+1 |
|
pextrw %3, %5, %6+2 |
|
pextrw %4, %5, %6+3 |
|
%endmacro |
|
|
|
; in: p1 p0 q0 q1, clobbers p0 |
|
; out: p1 = (2*(p1 - q1) - 5*(p0 - q0) + 4) >> 3 |
|
%macro VC1_LOOP_FILTER_A0 4 |
|
psubw %1, %4 |
|
psubw %2, %3 |
|
paddw %1, %1 |
|
pmullw %2, [pw_5] |
|
psubw %1, %2 |
|
paddw %1, [pw_4] |
|
psraw %1, 3 |
|
%endmacro |
|
|
|
; in: p0 q0 a0 a1 a2 |
|
; m0 m1 m7 m6 m5 |
|
; %1: size |
|
; out: m0=p0' m1=q0' |
|
%macro VC1_FILTER 1 |
|
PABSW m4, m7 |
|
PABSW m3, m6 |
|
PABSW m2, m5 |
|
mova m6, m4 |
|
pminsw m3, m2 |
|
pcmpgtw m6, m3 ; if (a2 < a0 || a1 < a0) |
|
psubw m3, m4 |
|
pmullw m3, [pw_5] ; 5*(a3 - a0) |
|
PABSW m2, m3 |
|
psraw m2, 3 ; abs(d/8) |
|
pxor m7, m3 ; d_sign ^= a0_sign |
|
|
|
pxor m5, m5 |
|
movd m3, r2d |
|
%if %1 > 4 |
|
punpcklbw m3, m3 |
|
%endif |
|
punpcklbw m3, m5 |
|
pcmpgtw m3, m4 ; if (a0 < pq) |
|
pand m6, m3 |
|
|
|
mova m3, m0 |
|
psubw m3, m1 |
|
PABSW m4, m3 |
|
psraw m4, 1 |
|
pxor m3, m7 ; d_sign ^ clip_sign |
|
psraw m3, 15 |
|
pminsw m2, m4 ; min(d, clip) |
|
pcmpgtw m4, m5 |
|
pand m6, m4 ; filt3 (C return value) |
|
|
|
; each set of 4 pixels is not filtered if the 3rd is not |
|
%if mmsize==16 |
|
pshuflw m4, m6, 0xaa |
|
%if %1 > 4 |
|
pshufhw m4, m4, 0xaa |
|
%endif |
|
%else |
|
pshufw m4, m6, 0xaa |
|
%endif |
|
pandn m3, m4 |
|
pand m2, m6 |
|
pand m3, m2 ; d final |
|
|
|
PSIGNW m3, m7 |
|
psubw m0, m3 |
|
paddw m1, m3 |
|
packuswb m0, m0 |
|
packuswb m1, m1 |
|
%endmacro |
|
|
|
; 1st param: size of filter |
|
; 2nd param: mov suffix equivalent to the filter size |
|
%macro VC1_V_LOOP_FILTER 2 |
|
pxor m5, m5 |
|
mov%2 m6, [r4] |
|
mov%2 m4, [r4+r1] |
|
mov%2 m7, [r4+2*r1] |
|
mov%2 m0, [r4+r3] |
|
punpcklbw m6, m5 |
|
punpcklbw m4, m5 |
|
punpcklbw m7, m5 |
|
punpcklbw m0, m5 |
|
|
|
VC1_LOOP_FILTER_A0 m6, m4, m7, m0 |
|
mov%2 m1, [r0] |
|
mov%2 m2, [r0+r1] |
|
punpcklbw m1, m5 |
|
punpcklbw m2, m5 |
|
mova m4, m0 |
|
VC1_LOOP_FILTER_A0 m7, m4, m1, m2 |
|
mov%2 m3, [r0+2*r1] |
|
mov%2 m4, [r0+r3] |
|
punpcklbw m3, m5 |
|
punpcklbw m4, m5 |
|
mova m5, m1 |
|
VC1_LOOP_FILTER_A0 m5, m2, m3, m4 |
|
|
|
VC1_FILTER %1 |
|
mov%2 [r4+r3], m0 |
|
mov%2 [r0], m1 |
|
%endmacro |
|
|
|
; 1st param: size of filter |
|
; NOTE: UNPACK_8TO16 this number of 8 bit numbers are in half a register |
|
; 2nd (optional) param: temp register to use for storing words |
|
%macro VC1_H_LOOP_FILTER 1-2 |
|
%if %1 == 4 |
|
movq m0, [r0 -4] |
|
movq m1, [r0+ r1-4] |
|
movq m2, [r0+2*r1-4] |
|
movq m3, [r0+ r3-4] |
|
TRANSPOSE4x4B 0, 1, 2, 3, 4 |
|
%else |
|
movq m0, [r0 -4] |
|
movq m4, [r0+ r1-4] |
|
movq m1, [r0+2*r1-4] |
|
movq m5, [r0+ r3-4] |
|
movq m2, [r4 -4] |
|
movq m6, [r4+ r1-4] |
|
movq m3, [r4+2*r1-4] |
|
movq m7, [r4+ r3-4] |
|
punpcklbw m0, m4 |
|
punpcklbw m1, m5 |
|
punpcklbw m2, m6 |
|
punpcklbw m3, m7 |
|
TRANSPOSE4x4W 0, 1, 2, 3, 4 |
|
%endif |
|
pxor m5, m5 |
|
|
|
UNPACK_8TO16 bw, 6, 0, 5 |
|
UNPACK_8TO16 bw, 7, 1, 5 |
|
VC1_LOOP_FILTER_A0 m6, m0, m7, m1 |
|
UNPACK_8TO16 bw, 4, 2, 5 |
|
mova m0, m1 ; m0 = p0 |
|
VC1_LOOP_FILTER_A0 m7, m1, m4, m2 |
|
UNPACK_8TO16 bw, 1, 3, 5 |
|
mova m5, m4 |
|
VC1_LOOP_FILTER_A0 m5, m2, m1, m3 |
|
SWAP 1, 4 ; m1 = q0 |
|
|
|
VC1_FILTER %1 |
|
punpcklbw m0, m1 |
|
%if %0 > 1 |
|
STORE_4_WORDS_MMX [r0-1], [r0+r1-1], [r0+2*r1-1], [r0+r3-1], m0, %2 |
|
%if %1 > 4 |
|
psrldq m0, 4 |
|
STORE_4_WORDS_MMX [r4-1], [r4+r1-1], [r4+2*r1-1], [r4+r3-1], m0, %2 |
|
%endif |
|
%else |
|
STORE_4_WORDS_SSE4 [r0-1], [r0+r1-1], [r0+2*r1-1], [r0+r3-1], m0, 0 |
|
STORE_4_WORDS_SSE4 [r4-1], [r4+r1-1], [r4+2*r1-1], [r4+r3-1], m0, 4 |
|
%endif |
|
%endmacro |
|
|
|
|
|
%macro START_V_FILTER 0 |
|
mov r4, r0 |
|
lea r3, [4*r1] |
|
sub r4, r3 |
|
lea r3, [r1+2*r1] |
|
imul r2, 0x01010101 |
|
%endmacro |
|
|
|
%macro START_H_FILTER 1 |
|
lea r3, [r1+2*r1] |
|
%if %1 > 4 |
|
lea r4, [r0+4*r1] |
|
%endif |
|
imul r2, 0x01010101 |
|
%endmacro |
|
|
|
; I dont know why the sign extension is needed... |
|
%macro PSIGNW_SRA_MMX 2 |
|
psraw %2, 15 |
|
PSIGNW_MMX %1, %2 |
|
%endmacro |
|
|
|
|
|
%macro VC1_LF_MMX 1 |
|
INIT_MMX |
|
cglobal vc1_v_loop_filter_internal_%1 |
|
VC1_V_LOOP_FILTER 4, d |
|
ret |
|
|
|
cglobal vc1_h_loop_filter_internal_%1 |
|
VC1_H_LOOP_FILTER 4, r4 |
|
ret |
|
|
|
; void ff_vc1_v_loop_filter4_mmx2(uint8_t *src, int stride, int pq) |
|
cglobal vc1_v_loop_filter4_%1, 3,5,0 |
|
START_V_FILTER |
|
call vc1_v_loop_filter_internal_%1 |
|
RET |
|
|
|
; void ff_vc1_h_loop_filter4_mmx2(uint8_t *src, int stride, int pq) |
|
cglobal vc1_h_loop_filter4_%1, 3,5,0 |
|
START_H_FILTER 4 |
|
call vc1_h_loop_filter_internal_%1 |
|
RET |
|
|
|
; void ff_vc1_v_loop_filter8_mmx2(uint8_t *src, int stride, int pq) |
|
cglobal vc1_v_loop_filter8_%1, 3,5,0 |
|
START_V_FILTER |
|
call vc1_v_loop_filter_internal_%1 |
|
add r4, 4 |
|
add r0, 4 |
|
call vc1_v_loop_filter_internal_%1 |
|
RET |
|
|
|
; void ff_vc1_h_loop_filter8_mmx2(uint8_t *src, int stride, int pq) |
|
cglobal vc1_h_loop_filter8_%1, 3,5,0 |
|
START_H_FILTER 4 |
|
call vc1_h_loop_filter_internal_%1 |
|
lea r0, [r0+4*r1] |
|
call vc1_h_loop_filter_internal_%1 |
|
RET |
|
%endmacro |
|
|
|
%define PABSW PABSW_MMX |
|
%define PSIGNW PSIGNW_SRA_MMX |
|
VC1_LF_MMX mmx |
|
|
|
%define PABSW PABSW_MMX2 |
|
VC1_LF_MMX mmx2 |
|
|
|
INIT_XMM |
|
; void ff_vc1_v_loop_filter8_sse2(uint8_t *src, int stride, int pq) |
|
cglobal vc1_v_loop_filter8_sse2, 3,5,8 |
|
START_V_FILTER |
|
VC1_V_LOOP_FILTER 8, q |
|
RET |
|
|
|
; void ff_vc1_h_loop_filter8_sse2(uint8_t *src, int stride, int pq) |
|
cglobal vc1_h_loop_filter8_sse2, 3,6,8 |
|
START_H_FILTER 8 |
|
VC1_H_LOOP_FILTER 8, r5 |
|
RET |
|
|
|
%define PABSW PABSW_SSSE3 |
|
%define PSIGNW PSIGNW_SSSE3 |
|
|
|
INIT_MMX |
|
; void ff_vc1_v_loop_filter4_ssse3(uint8_t *src, int stride, int pq) |
|
cglobal vc1_v_loop_filter4_ssse3, 3,5,0 |
|
START_V_FILTER |
|
VC1_V_LOOP_FILTER 4, d |
|
RET |
|
|
|
; void ff_vc1_h_loop_filter4_ssse3(uint8_t *src, int stride, int pq) |
|
cglobal vc1_h_loop_filter4_ssse3, 3,5,0 |
|
START_H_FILTER 4 |
|
VC1_H_LOOP_FILTER 4, r4 |
|
RET |
|
|
|
INIT_XMM |
|
; void ff_vc1_v_loop_filter8_ssse3(uint8_t *src, int stride, int pq) |
|
cglobal vc1_v_loop_filter8_ssse3, 3,5,8 |
|
START_V_FILTER |
|
VC1_V_LOOP_FILTER 8, q |
|
RET |
|
|
|
; void ff_vc1_h_loop_filter8_ssse3(uint8_t *src, int stride, int pq) |
|
cglobal vc1_h_loop_filter8_ssse3, 3,6,8 |
|
START_H_FILTER 8 |
|
VC1_H_LOOP_FILTER 8, r5 |
|
RET |
|
|
|
; void ff_vc1_h_loop_filter8_sse4(uint8_t *src, int stride, int pq) |
|
cglobal vc1_h_loop_filter8_sse4, 3,5,8 |
|
START_H_FILTER 8 |
|
VC1_H_LOOP_FILTER 8 |
|
RET
|
|
|