mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-26 17:32:06 +00:00
a172d80703
Since 7cad4dba50
averaging functions only exist for MMXEXT and SSE2.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
80 lines
2.2 KiB
NASM
80 lines
2.2 KiB
NASM
;******************************************************************************
|
|
;* SIMD-optimized fullpel functions
|
|
;* Copyright (c) 2008 Loren Merritt
|
|
;* Copyright (c) 2003-2013 Michael Niedermayer
|
|
;* Copyright (c) 2013 Daniel Kang
|
|
;*
|
|
;* 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/avg_pixels(uint8_t *block, const uint8_t *pixels,
|
|
; ptrdiff_t line_size, int h)
|
|
%macro OP_PIXELS 2
|
|
%if %2 == mmsize/2
|
|
%define LOAD movh
|
|
%define SAVE movh
|
|
%define LEN mmsize
|
|
%else
|
|
%define LOAD movu
|
|
%define SAVE mova
|
|
%define LEN %2
|
|
%endif
|
|
cglobal %1_pixels%2, 4,5,4
|
|
lea r4, [r2*3]
|
|
.loop:
|
|
%assign %%i 0
|
|
%rep LEN/mmsize
|
|
LOAD m0, [r1 + %%i]
|
|
LOAD m1, [r1+r2 + %%i]
|
|
LOAD m2, [r1+r2*2 + %%i]
|
|
LOAD m3, [r1+r4 + %%i]
|
|
%ifidn %1, avg
|
|
pavgb m0, [r0 + %%i]
|
|
pavgb m1, [r0+r2 + %%i]
|
|
pavgb m2, [r0+r2*2 + %%i]
|
|
pavgb m3, [r0+r4 + %%i]
|
|
%endif
|
|
SAVE [r0 + %%i], m0
|
|
SAVE [r0+r2 + %%i], m1
|
|
SAVE [r0+r2*2 + %%i], m2
|
|
SAVE [r0+r4 + %%i], m3
|
|
%assign %%i %%i+mmsize
|
|
%endrep
|
|
sub r3d, 4
|
|
lea r1, [r1+r2*4]
|
|
lea r0, [r0+r2*4]
|
|
jne .loop
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_MMX mmx
|
|
OP_PIXELS put, 8
|
|
OP_PIXELS put, 16
|
|
|
|
INIT_MMX mmxext
|
|
OP_PIXELS avg, 4
|
|
OP_PIXELS avg, 8
|
|
OP_PIXELS avg, 16
|
|
|
|
INIT_XMM sse2
|
|
OP_PIXELS put, 16
|
|
OP_PIXELS avg, 16
|