mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-04 23:38:25 -05:00
106 lines
3.0 KiB
NASM
106 lines
3.0 KiB
NASM
|
;************************************************************************
|
||
|
;* SIMD-optimized HuffYUV encoding functions
|
||
|
;* Copyright (c) 2000, 2001 Fabrice Bellard
|
||
|
;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
|
||
|
;*
|
||
|
;* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
|
||
|
;* Conversion to NASM format by Tiancheng "Timothy" Gu <timothygu99@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"
|
||
|
|
||
|
SECTION .text
|
||
|
|
||
|
%include "libavcodec/x86/huffyuvdsp_template.asm"
|
||
|
|
||
|
;------------------------------------------------------------------------------
|
||
|
; void ff_diff_int16(uint8_t *dst, const uint8_t *src1, const uint8_t *src2,
|
||
|
; unsigned mask, int w);
|
||
|
;------------------------------------------------------------------------------
|
||
|
|
||
|
%macro DIFF_INT16 0
|
||
|
cglobal diff_int16, 5,5,5, dst, src1, src2, mask, w, tmp
|
||
|
%if mmsize > 8
|
||
|
test src1q, mmsize-1
|
||
|
jnz .unaligned
|
||
|
test src2q, mmsize-1
|
||
|
jnz .unaligned
|
||
|
test dstq, mmsize-1
|
||
|
jnz .unaligned
|
||
|
%endif
|
||
|
INT16_LOOP a, sub
|
||
|
%if mmsize > 8
|
||
|
.unaligned:
|
||
|
INT16_LOOP u, sub
|
||
|
%endif
|
||
|
%endmacro
|
||
|
|
||
|
%if ARCH_X86_32
|
||
|
INIT_MMX mmx
|
||
|
DIFF_INT16
|
||
|
%endif
|
||
|
|
||
|
INIT_XMM sse2
|
||
|
DIFF_INT16
|
||
|
|
||
|
%if HAVE_AVX2_EXTERNAL
|
||
|
INIT_YMM avx2
|
||
|
DIFF_INT16
|
||
|
%endif
|
||
|
|
||
|
INIT_MMX mmxext
|
||
|
cglobal sub_hfyu_median_pred_int16, 7,7,0, dst, src1, src2, mask, w, left, left_top
|
||
|
add wd, wd
|
||
|
movd mm7, maskd
|
||
|
SPLATW mm7, mm7
|
||
|
movq mm0, [src1q]
|
||
|
movq mm2, [src2q]
|
||
|
psllq mm0, 16
|
||
|
psllq mm2, 16
|
||
|
movd mm6, [left_topq]
|
||
|
por mm0, mm6
|
||
|
movd mm6, [leftq]
|
||
|
por mm2, mm6
|
||
|
xor maskq, maskq
|
||
|
.loop:
|
||
|
movq mm1, [src1q + maskq]
|
||
|
movq mm3, [src2q + maskq]
|
||
|
movq mm4, mm2
|
||
|
psubw mm2, mm0
|
||
|
paddw mm2, mm1
|
||
|
pand mm2, mm7
|
||
|
movq mm5, mm4
|
||
|
pmaxsw mm4, mm1
|
||
|
pminsw mm1, mm5
|
||
|
pminsw mm4, mm2
|
||
|
pmaxsw mm4, mm1
|
||
|
psubw mm3, mm4
|
||
|
pand mm3, mm7
|
||
|
movq [dstq + maskq], mm3
|
||
|
add maskq, 8
|
||
|
movq mm0, [src1q + maskq - 2]
|
||
|
movq mm2, [src2q + maskq - 2]
|
||
|
cmp maskq, wq
|
||
|
jb .loop
|
||
|
movzx maskd, word [src1q + wq - 2]
|
||
|
mov [left_topq], maskd
|
||
|
movzx maskd, word [src2q + wq - 2]
|
||
|
mov [leftq], maskd
|
||
|
RET
|