mirror of https://git.ffmpeg.org/ffmpeg.git
174 lines
4.9 KiB
NASM
174 lines
4.9 KiB
NASM
;******************************************************************************
|
|
;* 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
|
|
%ifdef 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
|