;****************************************************************************** | |
;* 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 <[email protected]> | |
;* | |
;* 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_hi | |
cextern w4_min_w2_hi | |
cextern w4_plus_w6_hi | |
cextern w4_min_w6_hi | |
cextern w1_plus_w3_hi | |
cextern w3_min_w1_hi | |
cextern w7_plus_w3_hi | |
cextern w3_min_w7_hi | |
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 | |
define_constants _hi | |
%macro idct_fn 0 | |
cglobal prores_idct_put_10, 4, 4, 15, pixels, lsize, block, qmat | |
IDCT_FN pw_1, 15, pw_88, 18, "put", pw_4, pw_1019, r3 | |
RET | |
%endmacro | |
INIT_XMM sse2 | |
idct_fn | |
%if HAVE_AVX_EXTERNAL | |
INIT_XMM avx | |
idct_fn | |
%endif | |
%endif | |