mirror of https://git.ffmpeg.org/ffmpeg.git
254 lines
5.8 KiB
NASM
254 lines
5.8 KiB
NASM
;******************************************************************************
|
|
;* 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
|