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Diffstat (limited to 'libavfilter/x86/yadif.asm')
| -rw-r--r-- | libavfilter/x86/yadif.asm | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/libavfilter/x86/yadif.asm b/libavfilter/x86/yadif.asm new file mode 100644 index 0000000000..5e406a496a --- /dev/null +++ b/libavfilter/x86/yadif.asm @@ -0,0 +1,242 @@ +;***************************************************************************** +;* x86-optimized functions for yadif filter +;* +;* Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at> +;* Copyright (c) 2013 Daniel Kang <daniel.d.kang@gmail.com> +;* +;* This file is part of Libav. +;* +;* Libav is free software; you can redistribute it and/or modify +;* it under the terms of the GNU General Public License as published by +;* the Free Software Foundation; either version 2 of the License, or +;* (at your option) any later version. +;* +;* Libav 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 General Public License for more details. +;* +;* You should have received a copy of the GNU General Public License along +;* with Libav; 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_RODATA + +pb_1: times 16 db 1 +pw_1: times 8 dw 1 + +SECTION .text + +%macro CHECK 2 + movu m2, [curq+mrefsq+%1] + movu m3, [curq+prefsq+%2] + mova m4, m2 + mova m5, m2 + pxor m4, m3 + pavgb m5, m3 + pand m4, [pb_1] + psubusb m5, m4 +%if mmsize == 16 + psrldq m5, 1 +%else + psrlq m5, 8 +%endif + punpcklbw m5, m7 + mova m4, m2 + psubusb m2, m3 + psubusb m3, m4 + pmaxub m2, m3 + mova m3, m2 + mova m4, m2 +%if mmsize == 16 + psrldq m3, 1 + psrldq m4, 2 +%else + psrlq m3, 8 + psrlq m4, 16 +%endif + punpcklbw m2, m7 + punpcklbw m3, m7 + punpcklbw m4, m7 + paddw m2, m3 + paddw m2, m4 +%endmacro + +%macro CHECK1 0 + mova m3, m0 + pcmpgtw m3, m2 + pminsw m0, m2 + mova m6, m3 + pand m5, m3 + pandn m3, m1 + por m3, m5 + mova m1, m3 +%endmacro + +%macro CHECK2 0 + paddw m6, [pw_1] + psllw m6, 14 + paddsw m2, m6 + mova m3, m0 + pcmpgtw m3, m2 + pminsw m0, m2 + pand m5, m3 + pandn m3, m1 + por m3, m5 + mova m1, m3 +%endmacro + +%macro LOAD 2 + movh m%1, %2 + punpcklbw m%1, m7 +%endmacro + +%macro FILTER 3 +.loop%1: + pxor m7, m7 + LOAD 0, [curq+mrefsq] + LOAD 1, [curq+prefsq] + LOAD 2, [%2] + LOAD 3, [%3] + mova m4, m3 + paddw m3, m2 + psraw m3, 1 + mova [rsp+ 0], m0 + mova [rsp+16], m3 + mova [rsp+32], m1 + psubw m2, m4 + ABS1 m2, m4 + LOAD 3, [prevq+mrefsq] + LOAD 4, [prevq+prefsq] + psubw m3, m0 + psubw m4, m1 + ABS1 m3, m5 + ABS1 m4, m5 + paddw m3, m4 + psrlw m2, 1 + psrlw m3, 1 + pmaxsw m2, m3 + LOAD 3, [nextq+mrefsq] + LOAD 4, [nextq+prefsq] + psubw m3, m0 + psubw m4, m1 + ABS1 m3, m5 + ABS1 m4, m5 + paddw m3, m4 + psrlw m3, 1 + pmaxsw m2, m3 + mova [rsp+48], m2 + + paddw m1, m0 + paddw m0, m0 + psubw m0, m1 + psrlw m1, 1 + ABS1 m0, m2 + + movu m2, [curq+mrefsq-1] + movu m3, [curq+prefsq-1] + mova m4, m2 + psubusb m2, m3 + psubusb m3, m4 + pmaxub m2, m3 +%if mmsize == 16 + mova m3, m2 + psrldq m3, 2 +%else + pshufw m3, m2, q0021 +%endif + punpcklbw m2, m7 + punpcklbw m3, m7 + paddw m0, m2 + paddw m0, m3 + psubw m0, [pw_1] + + CHECK -2, 0 + CHECK1 + CHECK -3, 1 + CHECK2 + CHECK 0, -2 + CHECK1 + CHECK 1, -3 + CHECK2 + + mova m6, [rsp+48] + cmp DWORD modem, 2 + jge .end%1 + LOAD 2, [%2+mrefsq*2] + LOAD 4, [%3+mrefsq*2] + LOAD 3, [%2+prefsq*2] + LOAD 5, [%3+prefsq*2] + paddw m2, m4 + paddw m3, m5 + psrlw m2, 1 + psrlw m3, 1 + mova m4, [rsp+ 0] + mova m5, [rsp+16] + mova m7, [rsp+32] + psubw m2, m4 + psubw m3, m7 + mova m0, m5 + psubw m5, m4 + psubw m0, m7 + mova m4, m2 + pminsw m2, m3 + pmaxsw m3, m4 + pmaxsw m2, m5 + pminsw m3, m5 + pmaxsw m2, m0 + pminsw m3, m0 + pxor m4, m4 + pmaxsw m6, m3 + psubw m4, m2 + pmaxsw m6, m4 + +.end%1: + mova m2, [rsp+16] + mova m3, m2 + psubw m2, m6 + paddw m3, m6 + pmaxsw m1, m2 + pminsw m1, m3 + packuswb m1, m1 + + movh [dstq], m1 + add dstq, mmsize/2 + add prevq, mmsize/2 + add curq, mmsize/2 + add nextq, mmsize/2 + sub wd, mmsize/2 + jg .loop%1 +%endmacro + +%macro YADIF 0 +cglobal yadif_filter_line, 7, 7, 8, 16*5, dst, prev, cur, next, w, prefs, \ + mrefs, parity, mode + test wq, wq + jle .ret + movsxdifnidn prefsq, prefsd + movsxdifnidn mrefsq, mrefsd + + cmp DWORD paritym, 0 + je .parity0 + FILTER 1, prevq, curq + jmp .ret + +.parity0: + FILTER 0, curq, nextq + +.ret: + RET +%endmacro + +INIT_XMM ssse3 +YADIF +INIT_XMM sse2 +YADIF +%if ARCH_X86_32 +INIT_MMX mmxext +YADIF +%endif |