mirror of
https://github.com/nyanmisaka/ffmpeg-rockchip.git
synced 2025-10-25 18:02:10 +08:00
This avoids SIMD-optimized functions having to sign-extend their line size argument manually to be able to do pointer arithmetic. Also adjust parameter names to be "linesize" everywhere.
67 lines
1.8 KiB
NASM
67 lines
1.8 KiB
NASM
;******************************************************************************
|
|
;* x86-SIMD-optimized IDCT for prores
|
|
;* this is identical to "simple" IDCT written by Michael Niedermayer
|
|
;* except for the clip range
|
|
;*
|
|
;* Copyright (c) 2011 Ronald S. Bultje <rsbultje@gmail.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
|
|
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
;******************************************************************************
|
|
|
|
%include "libavutil/x86/x86util.asm"
|
|
|
|
%if ARCH_X86_64
|
|
|
|
SECTION_RODATA
|
|
|
|
pw_88: times 8 dw 0x2008
|
|
cextern pw_1
|
|
cextern pw_4
|
|
cextern pw_1019
|
|
; Below are defined in simple_idct10.asm built from selecting idctdsp
|
|
cextern w4_plus_w2
|
|
cextern w4_min_w2
|
|
cextern w4_plus_w6
|
|
cextern w4_min_w6
|
|
cextern w1_plus_w3
|
|
cextern w3_min_w1
|
|
cextern w7_plus_w3
|
|
cextern w3_min_w7
|
|
cextern w1_plus_w5
|
|
cextern w5_min_w1
|
|
cextern w5_plus_w7
|
|
cextern w7_min_w5
|
|
|
|
%include "libavcodec/x86/simple_idct10_template.asm"
|
|
|
|
SECTION .text
|
|
|
|
%macro idct_fn 0
|
|
cglobal prores_idct_put_10, 4, 4, 15
|
|
IDCT_FN pw_1, 15, pw_88, 18, pw_4, pw_1019, r3
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_XMM sse2
|
|
idct_fn
|
|
%if HAVE_AVX_EXTERNAL
|
|
INIT_XMM avx
|
|
idct_fn
|
|
%endif
|
|
|
|
%endif
|