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.
253 lines
5.8 KiB
253 lines
5.8 KiB
;****************************************************************************** |
|
;* SIMD-optimized HuffYUV functions |
|
;* Copyright (c) 2008 Loren Merritt |
|
;* Copyright (c) 2014 Christophe Gisquet |
|
;* |
|
;* This file is part of FFmpeg. |
|
;* |
|
;* FFmpeg 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. |
|
;* |
|
;* FFmpeg 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 FFmpeg; if not, write to the Free Software |
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
;****************************************************************************** |
|
|
|
%include "libavutil/x86/x86util.asm" |
|
|
|
SECTION_RODATA |
|
cextern pb_15 |
|
pb_zzzzzzzz77777777: times 8 db -1 |
|
pb_7: times 8 db 7 |
|
pb_zzzz3333zzzzbbbb: db -1,-1,-1,-1,3,3,3,3,-1,-1,-1,-1,11,11,11,11 |
|
pb_zz11zz55zz99zzdd: db -1,-1,1,1,-1,-1,5,5,-1,-1,9,9,-1,-1,13,13 |
|
|
|
SECTION .text |
|
|
|
; void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top, |
|
; const uint8_t *diff, int w, |
|
; int *left, int *left_top) |
|
%macro HFYU_MEDIAN 0 |
|
cglobal add_hfyu_median_pred, 6,6,8, dst, top, diff, w, left, left_top |
|
movu m0, [topq] |
|
mova m2, m0 |
|
movd m4, [left_topq] |
|
LSHIFT m2, 1 |
|
mova m1, m0 |
|
por m4, m2 |
|
movd m3, [leftq] |
|
psubb m0, m4 ; t-tl |
|
add dstq, wq |
|
add topq, wq |
|
add diffq, wq |
|
neg wq |
|
jmp .skip |
|
.loop: |
|
movu m4, [topq+wq] |
|
mova m0, m4 |
|
LSHIFT m4, 1 |
|
por m4, m1 |
|
mova m1, m0 ; t |
|
psubb m0, m4 ; t-tl |
|
.skip: |
|
movu m2, [diffq+wq] |
|
%assign i 0 |
|
%rep mmsize |
|
mova m4, m0 |
|
paddb m4, m3 ; t-tl+l |
|
mova m5, m3 |
|
pmaxub m3, m1 |
|
pminub m5, m1 |
|
pminub m3, m4 |
|
pmaxub m3, m5 ; median |
|
paddb m3, m2 ; +residual |
|
%if i==0 |
|
mova m7, m3 |
|
LSHIFT m7, mmsize-1 |
|
%else |
|
mova m6, m3 |
|
RSHIFT m7, 1 |
|
LSHIFT m6, mmsize-1 |
|
por m7, m6 |
|
%endif |
|
%if i<mmsize-1 |
|
RSHIFT m0, 1 |
|
RSHIFT m1, 1 |
|
RSHIFT m2, 1 |
|
%endif |
|
%assign i i+1 |
|
%endrep |
|
movu [dstq+wq], m7 |
|
add wq, mmsize |
|
jl .loop |
|
movzx r2d, byte [dstq-1] |
|
mov [leftq], r2d |
|
movzx r2d, byte [topq-1] |
|
mov [left_topq], r2d |
|
RET |
|
%endmacro |
|
|
|
%if ARCH_X86_32 |
|
INIT_MMX mmxext |
|
HFYU_MEDIAN |
|
%endif |
|
INIT_XMM sse2 |
|
HFYU_MEDIAN |
|
|
|
|
|
%macro ADD_HFYU_LEFT_LOOP 2 ; %1 = dst_is_aligned, %2 = src_is_aligned |
|
add srcq, wq |
|
add dstq, wq |
|
neg wq |
|
%%.loop: |
|
%if %2 |
|
mova m1, [srcq+wq] |
|
%else |
|
movu m1, [srcq+wq] |
|
%endif |
|
mova m2, m1 |
|
psllw m1, 8 |
|
paddb m1, m2 |
|
mova m2, m1 |
|
pshufb m1, m3 |
|
paddb m1, m2 |
|
pshufb m0, m5 |
|
mova m2, m1 |
|
pshufb m1, m4 |
|
paddb m1, m2 |
|
%if mmsize == 16 |
|
mova m2, m1 |
|
pshufb m1, m6 |
|
paddb m1, m2 |
|
%endif |
|
paddb m0, m1 |
|
%if %1 |
|
mova [dstq+wq], m0 |
|
%else |
|
movq [dstq+wq], m0 |
|
movhps [dstq+wq+8], m0 |
|
%endif |
|
add wq, mmsize |
|
jl %%.loop |
|
mov eax, mmsize-1 |
|
sub eax, wd |
|
movd m1, eax |
|
pshufb m0, m1 |
|
movd eax, m0 |
|
RET |
|
%endmacro |
|
|
|
; int ff_add_hfyu_left_pred(uint8_t *dst, const uint8_t *src, int w, int left) |
|
INIT_MMX ssse3 |
|
cglobal add_hfyu_left_pred, 3,3,7, dst, src, w, left |
|
.skip_prologue: |
|
mova m5, [pb_7] |
|
mova m4, [pb_zzzz3333zzzzbbbb] |
|
mova m3, [pb_zz11zz55zz99zzdd] |
|
movd m0, leftm |
|
psllq m0, 56 |
|
ADD_HFYU_LEFT_LOOP 1, 1 |
|
|
|
INIT_XMM sse4 |
|
cglobal add_hfyu_left_pred, 3,3,7, dst, src, w, left |
|
mova m5, [pb_15] |
|
mova m6, [pb_zzzzzzzz77777777] |
|
mova m4, [pb_zzzz3333zzzzbbbb] |
|
mova m3, [pb_zz11zz55zz99zzdd] |
|
movd m0, leftm |
|
pslldq m0, 15 |
|
test srcq, 15 |
|
jnz .src_unaligned |
|
test dstq, 15 |
|
jnz .dst_unaligned |
|
ADD_HFYU_LEFT_LOOP 1, 1 |
|
.dst_unaligned: |
|
ADD_HFYU_LEFT_LOOP 0, 1 |
|
.src_unaligned: |
|
ADD_HFYU_LEFT_LOOP 0, 0 |
|
|
|
%macro ADD_BYTES 0 |
|
cglobal add_bytes, 3,4,2, dst, src, w, size |
|
mov sizeq, wq |
|
and sizeq, -2*mmsize |
|
jz .2 |
|
add dstq, sizeq |
|
add srcq, sizeq |
|
neg sizeq |
|
.1: |
|
mova m0, [srcq + sizeq] |
|
mova m1, [srcq + sizeq + mmsize] |
|
paddb m0, [dstq + sizeq] |
|
paddb m1, [dstq + sizeq + mmsize] |
|
mova [dstq + sizeq], m0 |
|
mova [dstq + sizeq + mmsize], m1 |
|
add sizeq, 2*mmsize |
|
jl .1 |
|
.2: |
|
and wq, 2*mmsize-1 |
|
jz .end |
|
add dstq, wq |
|
add srcq, wq |
|
neg wq |
|
.3: |
|
mov sizeb, [srcq + wq] |
|
add [dstq + wq], sizeb |
|
inc wq |
|
jl .3 |
|
.end: |
|
REP_RET |
|
%endmacro |
|
|
|
%if ARCH_X86_32 |
|
INIT_MMX mmx |
|
ADD_BYTES |
|
%endif |
|
INIT_XMM sse2 |
|
ADD_BYTES |
|
|
|
; void add_hfyu_left_pred_bgr32(uint8_t *dst, const uint8_t *src, |
|
; intptr_t w, uint8_t *left) |
|
%macro LEFT_BGR32 0 |
|
cglobal add_hfyu_left_pred_bgr32, 4,4,3, dst, src, w, left |
|
shl wq, 2 |
|
movd m0, [leftq] |
|
lea dstq, [dstq + wq] |
|
lea srcq, [srcq + wq] |
|
LSHIFT m0, mmsize-4 |
|
neg wq |
|
.loop: |
|
movu m1, [srcq+wq] |
|
mova m2, m1 |
|
%if mmsize == 8 |
|
punpckhdq m0, m0 |
|
%endif |
|
LSHIFT m1, 4 |
|
paddb m1, m2 |
|
%if mmsize == 16 |
|
pshufd m0, m0, q3333 |
|
mova m2, m1 |
|
LSHIFT m1, 8 |
|
paddb m1, m2 |
|
%endif |
|
paddb m0, m1 |
|
movu [dstq+wq], m0 |
|
add wq, mmsize |
|
jl .loop |
|
movd m0, [dstq-4] |
|
movd [leftq], m0 |
|
REP_RET |
|
%endmacro |
|
|
|
%if ARCH_X86_32 |
|
INIT_MMX mmx |
|
LEFT_BGR32 |
|
%endif |
|
INIT_XMM sse2 |
|
LEFT_BGR32
|
|
|