0,0 → 1,413 |
;****************************************************************************** |
;* x86-optimized vertical line scaling functions |
;* Copyright (c) 2011 Ronald S. Bultje <rsbultje@gmail.com> |
;* Kieran Kunhya <kieran@kunhya.com> |
;* |
;* 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" |
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SECTION_RODATA |
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minshort: times 8 dw 0x8000 |
yuv2yuvX_16_start: times 4 dd 0x4000 - 0x40000000 |
yuv2yuvX_10_start: times 4 dd 0x10000 |
yuv2yuvX_9_start: times 4 dd 0x20000 |
yuv2yuvX_10_upper: times 8 dw 0x3ff |
yuv2yuvX_9_upper: times 8 dw 0x1ff |
pd_4: times 4 dd 4 |
pd_4min0x40000:times 4 dd 4 - (0x40000) |
pw_16: times 8 dw 16 |
pw_32: times 8 dw 32 |
pw_512: times 8 dw 512 |
pw_1024: times 8 dw 1024 |
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SECTION .text |
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;----------------------------------------------------------------------------- |
; vertical line scaling |
; |
; void yuv2plane1_<output_size>_<opt>(const int16_t *src, uint8_t *dst, int dstW, |
; const uint8_t *dither, int offset) |
; and |
; void yuv2planeX_<output_size>_<opt>(const int16_t *filter, int filterSize, |
; const int16_t **src, uint8_t *dst, int dstW, |
; const uint8_t *dither, int offset) |
; |
; Scale one or $filterSize lines of source data to generate one line of output |
; data. The input is 15-bit in int16_t if $output_size is [8,10] and 19-bit in |
; int32_t if $output_size is 16. $filter is 12-bits. $filterSize is a multiple |
; of 2. $offset is either 0 or 3. $dither holds 8 values. |
;----------------------------------------------------------------------------- |
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%macro yuv2planeX_fn 3 |
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%if ARCH_X86_32 |
%define cntr_reg fltsizeq |
%define movsx mov |
%else |
%define cntr_reg r7 |
%define movsx movsxd |
%endif |
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cglobal yuv2planeX_%1, %3, 8, %2, filter, fltsize, src, dst, w, dither, offset |
%if %1 == 8 || %1 == 9 || %1 == 10 |
pxor m6, m6 |
%endif ; %1 == 8/9/10 |
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%if %1 == 8 |
%if ARCH_X86_32 |
%assign pad 0x2c - (stack_offset & 15) |
SUB rsp, pad |
%define m_dith m7 |
%else ; x86-64 |
%define m_dith m9 |
%endif ; x86-32 |
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; create registers holding dither |
movq m_dith, [ditherq] ; dither |
test offsetd, offsetd |
jz .no_rot |
%if mmsize == 16 |
punpcklqdq m_dith, m_dith |
%endif ; mmsize == 16 |
PALIGNR m_dith, m_dith, 3, m0 |
.no_rot: |
%if mmsize == 16 |
punpcklbw m_dith, m6 |
%if ARCH_X86_64 |
punpcklwd m8, m_dith, m6 |
pslld m8, 12 |
%else ; x86-32 |
punpcklwd m5, m_dith, m6 |
pslld m5, 12 |
%endif ; x86-32/64 |
punpckhwd m_dith, m6 |
pslld m_dith, 12 |
%if ARCH_X86_32 |
mova [rsp+ 0], m5 |
mova [rsp+16], m_dith |
%endif |
%else ; mmsize == 8 |
punpcklbw m5, m_dith, m6 |
punpckhbw m_dith, m6 |
punpcklwd m4, m5, m6 |
punpckhwd m5, m6 |
punpcklwd m3, m_dith, m6 |
punpckhwd m_dith, m6 |
pslld m4, 12 |
pslld m5, 12 |
pslld m3, 12 |
pslld m_dith, 12 |
mova [rsp+ 0], m4 |
mova [rsp+ 8], m5 |
mova [rsp+16], m3 |
mova [rsp+24], m_dith |
%endif ; mmsize == 8/16 |
%endif ; %1 == 8 |
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xor r5, r5 |
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.pixelloop: |
%assign %%i 0 |
; the rep here is for the 8bit output mmx case, where dither covers |
; 8 pixels but we can only handle 2 pixels per register, and thus 4 |
; pixels per iteration. In order to not have to keep track of where |
; we are w.r.t. dithering, we unroll the mmx/8bit loop x2. |
%if %1 == 8 |
%assign %%repcnt 16/mmsize |
%else |
%assign %%repcnt 1 |
%endif |
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%rep %%repcnt |
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%if %1 == 8 |
%if ARCH_X86_32 |
mova m2, [rsp+mmsize*(0+%%i)] |
mova m1, [rsp+mmsize*(1+%%i)] |
%else ; x86-64 |
mova m2, m8 |
mova m1, m_dith |
%endif ; x86-32/64 |
%else ; %1 == 9/10/16 |
mova m1, [yuv2yuvX_%1_start] |
mova m2, m1 |
%endif ; %1 == 8/9/10/16 |
movsx cntr_reg, fltsizem |
.filterloop_ %+ %%i: |
; input pixels |
mov r6, [srcq+gprsize*cntr_reg-2*gprsize] |
%if %1 == 16 |
mova m3, [r6+r5*4] |
mova m5, [r6+r5*4+mmsize] |
%else ; %1 == 8/9/10 |
mova m3, [r6+r5*2] |
%endif ; %1 == 8/9/10/16 |
mov r6, [srcq+gprsize*cntr_reg-gprsize] |
%if %1 == 16 |
mova m4, [r6+r5*4] |
mova m6, [r6+r5*4+mmsize] |
%else ; %1 == 8/9/10 |
mova m4, [r6+r5*2] |
%endif ; %1 == 8/9/10/16 |
|
; coefficients |
movd m0, [filterq+2*cntr_reg-4] ; coeff[0], coeff[1] |
%if %1 == 16 |
pshuflw m7, m0, 0 ; coeff[0] |
pshuflw m0, m0, 0x55 ; coeff[1] |
pmovsxwd m7, m7 ; word -> dword |
pmovsxwd m0, m0 ; word -> dword |
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pmulld m3, m7 |
pmulld m5, m7 |
pmulld m4, m0 |
pmulld m6, m0 |
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paddd m2, m3 |
paddd m1, m5 |
paddd m2, m4 |
paddd m1, m6 |
%else ; %1 == 10/9/8 |
punpcklwd m5, m3, m4 |
punpckhwd m3, m4 |
SPLATD m0 |
|
pmaddwd m5, m0 |
pmaddwd m3, m0 |
|
paddd m2, m5 |
paddd m1, m3 |
%endif ; %1 == 8/9/10/16 |
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sub cntr_reg, 2 |
jg .filterloop_ %+ %%i |
|
%if %1 == 16 |
psrad m2, 31 - %1 |
psrad m1, 31 - %1 |
%else ; %1 == 10/9/8 |
psrad m2, 27 - %1 |
psrad m1, 27 - %1 |
%endif ; %1 == 8/9/10/16 |
|
%if %1 == 8 |
packssdw m2, m1 |
packuswb m2, m2 |
movh [dstq+r5*1], m2 |
%else ; %1 == 9/10/16 |
%if %1 == 16 |
packssdw m2, m1 |
paddw m2, [minshort] |
%else ; %1 == 9/10 |
%if cpuflag(sse4) |
packusdw m2, m1 |
%else ; mmxext/sse2 |
packssdw m2, m1 |
pmaxsw m2, m6 |
%endif ; mmxext/sse2/sse4/avx |
pminsw m2, [yuv2yuvX_%1_upper] |
%endif ; %1 == 9/10/16 |
mova [dstq+r5*2], m2 |
%endif ; %1 == 8/9/10/16 |
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add r5, mmsize/2 |
sub wd, mmsize/2 |
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%assign %%i %%i+2 |
%endrep |
jg .pixelloop |
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%if %1 == 8 |
%if ARCH_X86_32 |
ADD rsp, pad |
RET |
%else ; x86-64 |
REP_RET |
%endif ; x86-32/64 |
%else ; %1 == 9/10/16 |
REP_RET |
%endif ; %1 == 8/9/10/16 |
%endmacro |
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%if ARCH_X86_32 |
INIT_MMX mmxext |
yuv2planeX_fn 8, 0, 7 |
yuv2planeX_fn 9, 0, 5 |
yuv2planeX_fn 10, 0, 5 |
%endif |
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INIT_XMM sse2 |
yuv2planeX_fn 8, 10, 7 |
yuv2planeX_fn 9, 7, 5 |
yuv2planeX_fn 10, 7, 5 |
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INIT_XMM sse4 |
yuv2planeX_fn 8, 10, 7 |
yuv2planeX_fn 9, 7, 5 |
yuv2planeX_fn 10, 7, 5 |
yuv2planeX_fn 16, 8, 5 |
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%if HAVE_AVX_EXTERNAL |
INIT_XMM avx |
yuv2planeX_fn 8, 10, 7 |
yuv2planeX_fn 9, 7, 5 |
yuv2planeX_fn 10, 7, 5 |
%endif |
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; %1=outout-bpc, %2=alignment (u/a) |
%macro yuv2plane1_mainloop 2 |
.loop_%2: |
%if %1 == 8 |
paddsw m0, m2, [srcq+wq*2+mmsize*0] |
paddsw m1, m3, [srcq+wq*2+mmsize*1] |
psraw m0, 7 |
psraw m1, 7 |
packuswb m0, m1 |
mov%2 [dstq+wq], m0 |
%elif %1 == 16 |
paddd m0, m4, [srcq+wq*4+mmsize*0] |
paddd m1, m4, [srcq+wq*4+mmsize*1] |
paddd m2, m4, [srcq+wq*4+mmsize*2] |
paddd m3, m4, [srcq+wq*4+mmsize*3] |
psrad m0, 3 |
psrad m1, 3 |
psrad m2, 3 |
psrad m3, 3 |
%if cpuflag(sse4) ; avx/sse4 |
packusdw m0, m1 |
packusdw m2, m3 |
%else ; mmx/sse2 |
packssdw m0, m1 |
packssdw m2, m3 |
paddw m0, m5 |
paddw m2, m5 |
%endif ; mmx/sse2/sse4/avx |
mov%2 [dstq+wq*2+mmsize*0], m0 |
mov%2 [dstq+wq*2+mmsize*1], m2 |
%else ; %1 == 9/10 |
paddsw m0, m2, [srcq+wq*2+mmsize*0] |
paddsw m1, m2, [srcq+wq*2+mmsize*1] |
psraw m0, 15 - %1 |
psraw m1, 15 - %1 |
pmaxsw m0, m4 |
pmaxsw m1, m4 |
pminsw m0, m3 |
pminsw m1, m3 |
mov%2 [dstq+wq*2+mmsize*0], m0 |
mov%2 [dstq+wq*2+mmsize*1], m1 |
%endif |
add wq, mmsize |
jl .loop_%2 |
%endmacro |
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%macro yuv2plane1_fn 3 |
cglobal yuv2plane1_%1, %3, %3, %2, src, dst, w, dither, offset |
movsxdifnidn wq, wd |
add wq, mmsize - 1 |
and wq, ~(mmsize - 1) |
%if %1 == 8 |
add dstq, wq |
%else ; %1 != 8 |
lea dstq, [dstq+wq*2] |
%endif ; %1 == 8 |
%if %1 == 16 |
lea srcq, [srcq+wq*4] |
%else ; %1 != 16 |
lea srcq, [srcq+wq*2] |
%endif ; %1 == 16 |
neg wq |
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%if %1 == 8 |
pxor m4, m4 ; zero |
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; create registers holding dither |
movq m3, [ditherq] ; dither |
test offsetd, offsetd |
jz .no_rot |
%if mmsize == 16 |
punpcklqdq m3, m3 |
%endif ; mmsize == 16 |
PALIGNR m3, m3, 3, m2 |
.no_rot: |
%if mmsize == 8 |
mova m2, m3 |
punpckhbw m3, m4 ; byte->word |
punpcklbw m2, m4 ; byte->word |
%else |
punpcklbw m3, m4 |
mova m2, m3 |
%endif |
%elif %1 == 9 |
pxor m4, m4 |
mova m3, [pw_512] |
mova m2, [pw_32] |
%elif %1 == 10 |
pxor m4, m4 |
mova m3, [pw_1024] |
mova m2, [pw_16] |
%else ; %1 == 16 |
%if cpuflag(sse4) ; sse4/avx |
mova m4, [pd_4] |
%else ; mmx/sse2 |
mova m4, [pd_4min0x40000] |
mova m5, [minshort] |
%endif ; mmx/sse2/sse4/avx |
%endif ; %1 == .. |
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; actual pixel scaling |
%if mmsize == 8 |
yuv2plane1_mainloop %1, a |
%else ; mmsize == 16 |
test dstq, 15 |
jnz .unaligned |
yuv2plane1_mainloop %1, a |
REP_RET |
.unaligned: |
yuv2plane1_mainloop %1, u |
%endif ; mmsize == 8/16 |
REP_RET |
%endmacro |
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%if ARCH_X86_32 |
INIT_MMX mmx |
yuv2plane1_fn 8, 0, 5 |
yuv2plane1_fn 16, 0, 3 |
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INIT_MMX mmxext |
yuv2plane1_fn 9, 0, 3 |
yuv2plane1_fn 10, 0, 3 |
%endif |
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INIT_XMM sse2 |
yuv2plane1_fn 8, 5, 5 |
yuv2plane1_fn 9, 5, 3 |
yuv2plane1_fn 10, 5, 3 |
yuv2plane1_fn 16, 6, 3 |
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INIT_XMM sse4 |
yuv2plane1_fn 16, 5, 3 |
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%if HAVE_AVX_EXTERNAL |
INIT_XMM avx |
yuv2plane1_fn 8, 5, 5 |
yuv2plane1_fn 9, 5, 3 |
yuv2plane1_fn 10, 5, 3 |
yuv2plane1_fn 16, 5, 3 |
%endif |