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.
66 lines
1.8 KiB
66 lines
1.8 KiB
;****************************************************************************** |
|
;* 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 align=16 |
|
|
|
%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
|
|
|