mirror of https://git.ffmpeg.org/ffmpeg.git
318 lines
7.5 KiB
NASM
318 lines
7.5 KiB
NASM
;******************************************************************************
|
|
;* 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
|
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
;******************************************************************************
|
|
|
|
%include "libavutil/x86/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 6
|
|
%if cpuflag(sse4)
|
|
pextrw %1, %5, %6+0
|
|
pextrw %2, %5, %6+1
|
|
pextrw %3, %5, %6+2
|
|
pextrw %4, %5, %6+3
|
|
%else
|
|
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
|
|
%endif
|
|
%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
|
|
|
|
psraw m7, 15
|
|
pxor m3, m7
|
|
psubw 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 [r0-1], [r0+r1-1], [r0+2*r1-1], [r0+r3-1], m0, %2
|
|
%if %1 > 4
|
|
psrldq m0, 4
|
|
STORE_4_WORDS [r4-1], [r4+r1-1], [r4+2*r1-1], [r4+r3-1], m0, %2
|
|
%endif
|
|
%else
|
|
STORE_4_WORDS [r0-1], [r0+r1-1], [r0+2*r1-1], [r0+r3-1], m0, 0
|
|
STORE_4_WORDS [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
|
|
|
|
%macro VC1_LF 0
|
|
cglobal vc1_v_loop_filter_internal
|
|
VC1_V_LOOP_FILTER 4, d
|
|
ret
|
|
|
|
cglobal vc1_h_loop_filter_internal
|
|
VC1_H_LOOP_FILTER 4, r4
|
|
ret
|
|
|
|
; void ff_vc1_v_loop_filter4_mmxext(uint8_t *src, int stride, int pq)
|
|
cglobal vc1_v_loop_filter4, 3,5,0
|
|
START_V_FILTER
|
|
call vc1_v_loop_filter_internal
|
|
RET
|
|
|
|
; void ff_vc1_h_loop_filter4_mmxext(uint8_t *src, int stride, int pq)
|
|
cglobal vc1_h_loop_filter4, 3,5,0
|
|
START_H_FILTER 4
|
|
call vc1_h_loop_filter_internal
|
|
RET
|
|
|
|
; void ff_vc1_v_loop_filter8_mmxext(uint8_t *src, int stride, int pq)
|
|
cglobal vc1_v_loop_filter8, 3,5,0
|
|
START_V_FILTER
|
|
call vc1_v_loop_filter_internal
|
|
add r4, 4
|
|
add r0, 4
|
|
call vc1_v_loop_filter_internal
|
|
RET
|
|
|
|
; void ff_vc1_h_loop_filter8_mmxext(uint8_t *src, int stride, int pq)
|
|
cglobal vc1_h_loop_filter8, 3,5,0
|
|
START_H_FILTER 4
|
|
call vc1_h_loop_filter_internal
|
|
lea r0, [r0+4*r1]
|
|
call vc1_h_loop_filter_internal
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_MMX mmxext
|
|
VC1_LF
|
|
|
|
INIT_XMM sse2
|
|
; void ff_vc1_v_loop_filter8_sse2(uint8_t *src, int stride, int pq)
|
|
cglobal vc1_v_loop_filter8, 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, 3,6,8
|
|
START_H_FILTER 8
|
|
VC1_H_LOOP_FILTER 8, r5
|
|
RET
|
|
|
|
INIT_MMX ssse3
|
|
; void ff_vc1_v_loop_filter4_ssse3(uint8_t *src, int stride, int pq)
|
|
cglobal vc1_v_loop_filter4, 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, 3,5,0
|
|
START_H_FILTER 4
|
|
VC1_H_LOOP_FILTER 4, r4
|
|
RET
|
|
|
|
INIT_XMM ssse3
|
|
; void ff_vc1_v_loop_filter8_ssse3(uint8_t *src, int stride, int pq)
|
|
cglobal vc1_v_loop_filter8, 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, 3,6,8
|
|
START_H_FILTER 8
|
|
VC1_H_LOOP_FILTER 8, r5
|
|
RET
|
|
|
|
INIT_XMM sse4
|
|
; void ff_vc1_h_loop_filter8_sse4(uint8_t *src, int stride, int pq)
|
|
cglobal vc1_h_loop_filter8, 3,5,8
|
|
START_H_FILTER 8
|
|
VC1_H_LOOP_FILTER 8
|
|
RET
|