mirror of https://git.ffmpeg.org/ffmpeg.git
100 lines
2.9 KiB
NASM
100 lines
2.9 KiB
NASM
;******************************************************************************
|
|
;* SIMD-optimized halfpel functions for VP3
|
|
;*
|
|
;* 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 .text
|
|
|
|
; void ff_put_no_rnd_pixels8_x2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
|
|
INIT_MMX mmxext
|
|
cglobal put_no_rnd_pixels8_x2_exact, 4,5
|
|
lea r4, [r2*3]
|
|
pcmpeqb m6, m6
|
|
.loop:
|
|
mova m0, [r1]
|
|
mova m2, [r1+r2]
|
|
mova m1, [r1+1]
|
|
mova m3, [r1+r2+1]
|
|
pxor m0, m6
|
|
pxor m2, m6
|
|
pxor m1, m6
|
|
pxor m3, m6
|
|
PAVGB m0, m1
|
|
PAVGB m2, m3
|
|
pxor m0, m6
|
|
pxor m2, m6
|
|
mova [r0], m0
|
|
mova [r0+r2], m2
|
|
mova m0, [r1+r2*2]
|
|
mova m1, [r1+r2*2+1]
|
|
mova m2, [r1+r4]
|
|
mova m3, [r1+r4+1]
|
|
pxor m0, m6
|
|
pxor m1, m6
|
|
pxor m2, m6
|
|
pxor m3, m6
|
|
PAVGB m0, m1
|
|
PAVGB m2, m3
|
|
pxor m0, m6
|
|
pxor m2, m6
|
|
mova [r0+r2*2], m0
|
|
mova [r0+r4], m2
|
|
lea r1, [r1+r2*4]
|
|
lea r0, [r0+r2*4]
|
|
sub r3d, 4
|
|
jg .loop
|
|
RET
|
|
|
|
|
|
; void ff_put_no_rnd_pixels8_y2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
|
|
INIT_MMX mmxext
|
|
cglobal put_no_rnd_pixels8_y2_exact, 4,5
|
|
lea r4, [r2*3]
|
|
mova m0, [r1]
|
|
pcmpeqb m6, m6
|
|
add r1, r2
|
|
pxor m0, m6
|
|
.loop:
|
|
mova m1, [r1]
|
|
mova m2, [r1+r2]
|
|
pxor m1, m6
|
|
pxor m2, m6
|
|
PAVGB m0, m1
|
|
PAVGB m1, m2
|
|
pxor m0, m6
|
|
pxor m1, m6
|
|
mova [r0], m0
|
|
mova [r0+r2], m1
|
|
mova m1, [r1+r2*2]
|
|
mova m0, [r1+r4]
|
|
pxor m1, m6
|
|
pxor m0, m6
|
|
PAVGB m2, m1
|
|
PAVGB m1, m0
|
|
pxor m2, m6
|
|
pxor m1, m6
|
|
mova [r0+r2*2], m2
|
|
mova [r0+r4], m1
|
|
lea r1, [r1+r2*4]
|
|
lea r0, [r0+r2*4]
|
|
sub r3d, 4
|
|
jg .loop
|
|
RET
|