virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-21 10:55:51 +02:00
Code Issues Releases Activity

avfilter/x86/vf_hflip : merge hflip byte and hflip short to one macro

Browse Source
This commit is contained in:
Martin Vignali 2017-12-19 21:04:29 +01:00
parent 8fb1d63d91
commit a4a4179e83
1 changed files with 18 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
libavfilter/x86/vf_hflip.asm
View File

@ -29,49 +29,16 @@ pb_flip_short: db 14,15,12,13,10,11,8,9,6,7,4,5,2,3,0,1
SECTION .text
INIT_XMM ssse3
cglobal hflip_byte, 3, 5, 3, src, dst, w, r, x
mova m0, [pb_flip_byte]
;%1 byte or short, %2 b or w, %3 size in byte (1 for byte, 2 for short)
%macro HFLIP 3
cglobal hflip_%1, 3, 5, 3, src, dst, w, r, x
mova m0, [pb_flip_%1]
xor xq, xq
%if %3 == 1
movsxdifnidn wq, wd
mov rq, wq
and rq, 2 * mmsize - 1
cmp wq, 2 * mmsize
jl .loop1
sub wq, rq
.loop0:
neg xq
movu m1, [srcq + xq - mmsize + 1]
movu m2, [srcq + xq - 2 * mmsize + 1]
pshufb m1, m0
pshufb m2, m0
neg xq
movu [dstq + xq ], m1
movu [dstq + xq + mmsize], m2
add xq, mmsize * 2
cmp xq, wq
jl .loop0
cmp rq, 0
je .end
add wq, rq
.loop1:
neg xq
mov rb, [srcq + xq]
neg xq
mov [dstq + xq], rb
add xq, 1
cmp xq, wq
jl .loop1
.end:
RET
cglobal hflip_short, 3, 5, 3, src, dst, w, r, x
mova m0, [pb_flip_short]
xor xq, xq
%else ; short
add wd, wd
%endif
mov rq, wq
and rq, 2 * mmsize - 1
cmp wq, 2 * mmsize
@ -80,8 +47,8 @@ cglobal hflip_short, 3, 5, 3, src, dst, w, r, x
.loop0:
neg xq
movu m1, [srcq + xq - mmsize + 2]
movu m2, [srcq + xq - 2 * mmsize + 2]
movu m1, [srcq + xq - mmsize + %3]
movu m2, [srcq + xq - 2 * mmsize + %3]
pshufb m1, m0
pshufb m2, m0
neg xq
@ -97,11 +64,17 @@ cglobal hflip_short, 3, 5, 3, src, dst, w, r, x
.loop1:
neg xq
mov rw, [srcq + xq]
mov r%2, [srcq + xq]
neg xq
mov [dstq + xq], rw
add xq, 2
mov [dstq + xq], r%2
add xq, %3
cmp xq, wq
jl .loop1
.end:
RET
%endmacro
INIT_XMM ssse3
HFLIP byte, b, 1
HFLIP short, w, 2