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Diffstat (limited to 'libavfilter/x86/yadif-16.asm')
| -rw-r--r-- | libavfilter/x86/yadif-16.asm | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/libavfilter/x86/yadif-16.asm b/libavfilter/x86/yadif-16.asm new file mode 100644 index 0000000..79d127d --- /dev/null +++ b/libavfilter/x86/yadif-16.asm @@ -0,0 +1,317 @@ +;***************************************************************************** +;* x86-optimized functions for yadif filter +;* +;* Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at> +;* Copyright (c) 2013 Daniel Kang <daniel.d.kang@gmail.com> +;* Copyright (c) 2011-2013 James Darnley <james.darnley@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 +;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%include "libavutil/x86/x86util.asm" + +SECTION_RODATA + +pw_1: times 8 dw 1 +pw_8000: times 8 dw 0x8000 +pd_1: times 4 dd 1 +pd_8000: times 4 dd 0x8000 + +SECTION .text + +%macro PABS 2 +%if cpuflag(ssse3) + pabsd %1, %1 +%else + pxor %2, %2 + pcmpgtd %2, %1 + pxor %1, %2 + psubd %1, %2 +%endif +%endmacro + +%macro PACK 1 +%if cpuflag(sse4) + packusdw %1, %1 +%else + psubd %1, [pd_8000] + packssdw %1, %1 + paddw %1, [pw_8000] +%endif +%endmacro + +%macro PMINSD 3 +%if cpuflag(sse4) + pminsd %1, %2 +%else + mova %3, %2 + pcmpgtd %3, %1 + pand %1, %3 + pandn %3, %2 + por %1, %3 +%endif +%endmacro + +%macro PMAXSD 3 +%if cpuflag(sse4) + pmaxsd %1, %2 +%else + mova %3, %1 + pcmpgtd %3, %2 + pand %1, %3 + pandn %3, %2 + por %1, %3 +%endif +%endmacro + +%macro PMAXUW 2 +%if cpuflag(sse4) + pmaxuw %1, %2 +%else + psubusw %1, %2 + paddusw %1, %2 +%endif +%endmacro + +%macro CHECK 2 + movu m2, [curq+t1+%1*2] + movu m3, [curq+t0+%2*2] + mova m4, m2 + mova m5, m2 + pxor m4, m3 + pavgw m5, m3 + pand m4, [pw_1] + psubusw m5, m4 + RSHIFT m5, 2 + punpcklwd m5, m7 + mova m4, m2 + psubusw m2, m3 + psubusw m3, m4 + PMAXUW m2, m3 + mova m3, m2 + mova m4, m2 + RSHIFT m3, 2 + RSHIFT m4, 4 + punpcklwd m2, m7 + punpcklwd m3, m7 + punpcklwd m4, m7 + paddd m2, m3 + paddd m2, m4 +%endmacro + +%macro CHECK1 0 + mova m3, m0 + pcmpgtd m3, m2 + PMINSD m0, m2, m6 + mova m6, m3 + pand m5, m3 + pandn m3, m1 + por m3, m5 + mova m1, m3 +%endmacro + +%macro CHECK2 0 + paddd m6, [pd_1] + pslld m6, 30 + paddd m2, m6 + mova m3, m0 + pcmpgtd m3, m2 + PMINSD m0, m2, m4 + pand m5, m3 + pandn m3, m1 + por m3, m5 + mova m1, m3 +%endmacro + +; This version of CHECK2 has 3 fewer instructions on sets older than SSE4 but I +; am not sure whether it is any faster. A rewrite or refactor of the filter +; code should make it possible to eliminate the move instruction at the end. It +; exists to satisfy the expectation that the "score" values are in m1. + +; %macro CHECK2 0 +; mova m3, m0 +; pcmpgtd m0, m2 +; pand m0, m6 +; mova m6, m0 +; pand m5, m6 +; pand m2, m0 +; pandn m6, m1 +; pandn m0, m3 +; por m6, m5 +; por m0, m2 +; mova m1, m6 +; %endmacro + +%macro LOAD 2 + movh %1, %2 + punpcklwd %1, m7 +%endmacro + +%macro FILTER 3 +.loop%1: + pxor m7, m7 + LOAD m0, [curq+t1] + LOAD m1, [curq+t0] + LOAD m2, [%2] + LOAD m3, [%3] + mova m4, m3 + paddd m3, m2 + psrad m3, 1 + mova [rsp+ 0], m0 + mova [rsp+16], m3 + mova [rsp+32], m1 + psubd m2, m4 + PABS m2, m4 + LOAD m3, [prevq+t1] + LOAD m4, [prevq+t0] + psubd m3, m0 + psubd m4, m1 + PABS m3, m5 + PABS m4, m5 + paddd m3, m4 + psrld m2, 1 + psrld m3, 1 + PMAXSD m2, m3, m6 + LOAD m3, [nextq+t1] + LOAD m4, [nextq+t0] + psubd m3, m0 + psubd m4, m1 + PABS m3, m5 + PABS m4, m5 + paddd m3, m4 + psrld m3, 1 + PMAXSD m2, m3, m6 + mova [rsp+48], m2 + + paddd m1, m0 + paddd m0, m0 + psubd m0, m1 + psrld m1, 1 + PABS m0, m2 + + movu m2, [curq+t1-1*2] + movu m3, [curq+t0-1*2] + mova m4, m2 + psubusw m2, m3 + psubusw m3, m4 + PMAXUW m2, m3 + mova m3, m2 + RSHIFT m3, 4 + punpcklwd m2, m7 + punpcklwd m3, m7 + paddd m0, m2 + paddd m0, m3 + psubd m0, [pd_1] + + CHECK -2, 0 + CHECK1 + CHECK -3, 1 + CHECK2 + CHECK 0, -2 + CHECK1 + CHECK 1, -3 + CHECK2 + + mova m6, [rsp+48] + cmp DWORD r8m, 2 + jge .end%1 + LOAD m2, [%2+t1*2] + LOAD m4, [%3+t1*2] + LOAD m3, [%2+t0*2] + LOAD m5, [%3+t0*2] + paddd m2, m4 + paddd m3, m5 + psrld m2, 1 + psrld m3, 1 + mova m4, [rsp+ 0] + mova m5, [rsp+16] + mova m7, [rsp+32] + psubd m2, m4 + psubd m3, m7 + mova m0, m5 + psubd m5, m4 + psubd m0, m7 + mova m4, m2 + PMINSD m2, m3, m7 + PMAXSD m3, m4, m7 + PMAXSD m2, m5, m7 + PMINSD m3, m5, m7 + PMAXSD m2, m0, m7 + PMINSD m3, m0, m7 + pxor m4, m4 + PMAXSD m6, m3, m7 + psubd m4, m2 + PMAXSD m6, m4, m7 + +.end%1: + mova m2, [rsp+16] + mova m3, m2 + psubd m2, m6 + paddd m3, m6 + PMAXSD m1, m2, m7 + PMINSD m1, m3, m7 + PACK m1 + + movh [dstq], m1 + add dstq, mmsize/2 + add prevq, mmsize/2 + add curq, mmsize/2 + add nextq, mmsize/2 + sub DWORD r4m, mmsize/4 + jg .loop%1 +%endmacro + +%macro YADIF 0 +%if ARCH_X86_32 +cglobal yadif_filter_line_16bit, 4, 6, 8, 80, dst, prev, cur, next, w, \ + prefs, mrefs, parity, mode +%else +cglobal yadif_filter_line_16bit, 4, 7, 8, 80, dst, prev, cur, next, w, \ + prefs, mrefs, parity, mode +%endif +%if ARCH_X86_32 + mov r4, r5mp + mov r5, r6mp + DECLARE_REG_TMP 4,5 +%else + movsxd r5, DWORD r5m + movsxd r6, DWORD r6m + DECLARE_REG_TMP 5,6 +%endif + + cmp DWORD paritym, 0 + je .parity0 + FILTER 1, prevq, curq + jmp .ret + +.parity0: + FILTER 0, curq, nextq + +.ret: + RET +%endmacro + +INIT_XMM sse4 +YADIF +INIT_XMM ssse3 +YADIF +INIT_XMM sse2 +YADIF +%if ARCH_X86_32 +INIT_MMX mmxext +YADIF +%endif |
