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.
173 lines
4.8 KiB
173 lines
4.8 KiB
;****************************************************************************** |
|
;* MMX/SSE2-optimized functions for the VP6 decoder |
|
;* Copyright (C) 2009 Sebastien Lucas <sebastien.lucas@gmail.com> |
|
;* Copyright (C) 2009 Zuxy Meng <zuxy.meng@gmail.com> |
|
;* |
|
;* 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 "x86inc.asm" |
|
%include "x86util.asm" |
|
|
|
cextern pw_64 |
|
|
|
SECTION .text |
|
|
|
%macro DIAG4_MMX 6 |
|
movq m0, [%1+%2] |
|
movq m1, [%1+%3] |
|
movq m3, m0 |
|
movq m4, m1 |
|
punpcklbw m0, m7 |
|
punpcklbw m1, m7 |
|
punpckhbw m3, m7 |
|
punpckhbw m4, m7 |
|
pmullw m0, [rsp+8*11] ; src[x-8 ] * biweight [0] |
|
pmullw m1, [rsp+8*12] ; src[x ] * biweight [1] |
|
pmullw m3, [rsp+8*11] ; src[x-8 ] * biweight [0] |
|
pmullw m4, [rsp+8*12] ; src[x ] * biweight [1] |
|
paddw m0, m1 |
|
paddw m3, m4 |
|
movq m1, [%1+%4] |
|
movq m2, [%1+%5] |
|
movq m4, m1 |
|
movq m5, m2 |
|
punpcklbw m1, m7 |
|
punpcklbw m2, m7 |
|
punpckhbw m4, m7 |
|
punpckhbw m5, m7 |
|
pmullw m1, [rsp+8*13] ; src[x+8 ] * biweight [2] |
|
pmullw m2, [rsp+8*14] ; src[x+16] * biweight [3] |
|
pmullw m4, [rsp+8*13] ; src[x+8 ] * biweight [2] |
|
pmullw m5, [rsp+8*14] ; src[x+16] * biweight [3] |
|
paddw m1, m2 |
|
paddw m4, m5 |
|
paddsw m0, m1 |
|
paddsw m3, m4 |
|
paddsw m0, m6 ; Add 64 |
|
paddsw m3, m6 ; Add 64 |
|
psraw m0, 7 |
|
psraw m3, 7 |
|
packuswb m0, m3 |
|
movq [%6], m0 |
|
%endmacro |
|
|
|
%macro DIAG4_SSE2 6 |
|
movq m0, [%1+%2] |
|
movq m1, [%1+%3] |
|
punpcklbw m0, m7 |
|
punpcklbw m1, m7 |
|
pmullw m0, m4 ; src[x-8 ] * biweight [0] |
|
pmullw m1, m5 ; src[x ] * biweight [1] |
|
paddw m0, m1 |
|
movq m1, [%1+%4] |
|
movq m2, [%1+%5] |
|
punpcklbw m1, m7 |
|
punpcklbw m2, m7 |
|
pmullw m1, m6 ; src[x+8 ] * biweight [2] |
|
pmullw m2, m3 ; src[x+16] * biweight [3] |
|
paddw m1, m2 |
|
paddsw m0, m1 |
|
paddsw m0, [pw_64] ; Add 64 |
|
psraw m0, 7 |
|
packuswb m0, m0 |
|
movq [%6], m0 |
|
%endmacro |
|
|
|
%macro SPLAT4REGS_MMX 0 |
|
movq m5, m3 |
|
punpcklwd m3, m3 |
|
movq m4, m3 |
|
punpckldq m3, m3 |
|
punpckhdq m4, m4 |
|
punpckhwd m5, m5 |
|
movq m2, m5 |
|
punpckhdq m2, m2 |
|
punpckldq m5, m5 |
|
movq [rsp+8*11], m3 |
|
movq [rsp+8*12], m4 |
|
movq [rsp+8*13], m5 |
|
movq [rsp+8*14], m2 |
|
%endmacro |
|
|
|
%macro SPLAT4REGS_SSE2 0 |
|
pshuflw m4, m3, 0x0 |
|
pshuflw m5, m3, 0x55 |
|
pshuflw m6, m3, 0xAA |
|
pshuflw m3, m3, 0xFF |
|
punpcklqdq m4, m4 |
|
punpcklqdq m5, m5 |
|
punpcklqdq m6, m6 |
|
punpcklqdq m3, m3 |
|
%endmacro |
|
|
|
%macro vp6_filter_diag4 2 |
|
; void ff_vp6_filter_diag4_<opt>(uint8_t *dst, uint8_t *src, int stride, |
|
; const int16_t h_weight[4], const int16_t v_weights[4]) |
|
cglobal vp6_filter_diag4_%1, 5, 7, %2 |
|
mov r5, rsp ; backup stack pointer |
|
and rsp, ~(mmsize-1) ; align stack |
|
%ifidn %1, sse2 |
|
sub rsp, 8*11 |
|
%else |
|
sub rsp, 8*15 |
|
movq m6, [pw_64] |
|
%endif |
|
%if ARCH_X86_64 |
|
movsxd r2, r2d |
|
%endif |
|
|
|
sub r1, r2 |
|
|
|
pxor m7, m7 |
|
movq m3, [r3] |
|
SPLAT4REGS |
|
|
|
mov r3, rsp |
|
mov r6, 11 |
|
.nextrow |
|
DIAG4 r1, -1, 0, 1, 2, r3 |
|
add r3, 8 |
|
add r1, r2 |
|
dec r6 |
|
jnz .nextrow |
|
|
|
movq m3, [r4] |
|
SPLAT4REGS |
|
|
|
lea r3, [rsp+8] |
|
mov r6, 8 |
|
.nextcol |
|
DIAG4 r3, -8, 0, 8, 16, r0 |
|
add r3, 8 |
|
add r0, r2 |
|
dec r6 |
|
jnz .nextcol |
|
|
|
mov rsp, r5 ; restore stack pointer |
|
RET |
|
%endmacro |
|
|
|
INIT_MMX |
|
%define DIAG4 DIAG4_MMX |
|
%define SPLAT4REGS SPLAT4REGS_MMX |
|
vp6_filter_diag4 mmx, 0 |
|
|
|
INIT_XMM |
|
%define DIAG4 DIAG4_SSE2 |
|
%define SPLAT4REGS SPLAT4REGS_SSE2 |
|
vp6_filter_diag4 sse2, 8
|
|
|