| ;****************************************************************************** |
| ;* MMX optimized DSP utils |
| ;* Copyright (c) 2008 Loren Merritt |
| ;* |
| ;* 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 "x86inc.asm" |
| |
| section .text align=16 |
| |
| %macro PSWAPD_SSE 2 |
| pshufw %1, %2, 0x4e |
| %endmacro |
| %macro PSWAPD_3DN1 2 |
| movq %1, %2 |
| psrlq %1, 32 |
| punpckldq %1, %2 |
| %endmacro |
| |
| %macro FLOAT_TO_INT16_INTERLEAVE6 1 |
| ; void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len) |
| cglobal float_to_int16_interleave6_%1, 2,7,0, dst, src, src1, src2, src3, src4, src5 |
| %ifdef ARCH_X86_64 |
| %define lend r10d |
| mov lend, r2d |
| %else |
| %define lend dword r2m |
| %endif |
| mov src1q, [srcq+1*gprsize] |
| mov src2q, [srcq+2*gprsize] |
| mov src3q, [srcq+3*gprsize] |
| mov src4q, [srcq+4*gprsize] |
| mov src5q, [srcq+5*gprsize] |
| mov srcq, [srcq] |
| sub src1q, srcq |
| sub src2q, srcq |
| sub src3q, srcq |
| sub src4q, srcq |
| sub src5q, srcq |
| .loop: |
| cvtps2pi mm0, [srcq] |
| cvtps2pi mm1, [srcq+src1q] |
| cvtps2pi mm2, [srcq+src2q] |
| cvtps2pi mm3, [srcq+src3q] |
| cvtps2pi mm4, [srcq+src4q] |
| cvtps2pi mm5, [srcq+src5q] |
| packssdw mm0, mm3 |
| packssdw mm1, mm4 |
| packssdw mm2, mm5 |
| pswapd mm3, mm0 |
| punpcklwd mm0, mm1 |
| punpckhwd mm1, mm2 |
| punpcklwd mm2, mm3 |
| pswapd mm3, mm0 |
| punpckldq mm0, mm2 |
| punpckhdq mm2, mm1 |
| punpckldq mm1, mm3 |
| movq [dstq ], mm0 |
| movq [dstq+16], mm2 |
| movq [dstq+ 8], mm1 |
| add srcq, 8 |
| add dstq, 24 |
| sub lend, 2 |
| jg .loop |
| emms |
| RET |
| %endmacro ; FLOAT_TO_INT16_INTERLEAVE6 |
| |
| %define pswapd PSWAPD_SSE |
| FLOAT_TO_INT16_INTERLEAVE6 sse |
| %define cvtps2pi pf2id |
| %define pswapd PSWAPD_3DN1 |
| FLOAT_TO_INT16_INTERLEAVE6 3dnow |
| %undef pswapd |
| FLOAT_TO_INT16_INTERLEAVE6 3dn2 |
| %undef cvtps2pi |
| |
| |
| |
| ; void ff_add_hfyu_median_prediction_mmx2(uint8_t *dst, uint8_t *top, uint8_t *diff, int w, int *left, int *left_top) |
| cglobal add_hfyu_median_prediction_mmx2, 6,6,0, dst, top, diff, w, left, left_top |
| movq mm0, [topq] |
| movq mm2, mm0 |
| movd mm4, [left_topq] |
| psllq mm2, 8 |
| movq mm1, mm0 |
| por mm4, mm2 |
| movd mm3, [leftq] |
| psubb mm0, mm4 ; t-tl |
| add dstq, wq |
| add topq, wq |
| add diffq, wq |
| neg wq |
| jmp .skip |
| .loop: |
| movq mm4, [topq+wq] |
| movq mm0, mm4 |
| psllq mm4, 8 |
| por mm4, mm1 |
| movq mm1, mm0 ; t |
| psubb mm0, mm4 ; t-tl |
| .skip: |
| movq mm2, [diffq+wq] |
| %assign i 0 |
| %rep 8 |
| movq mm4, mm0 |
| paddb mm4, mm3 ; t-tl+l |
| movq mm5, mm3 |
| pmaxub mm3, mm1 |
| pminub mm5, mm1 |
| pminub mm3, mm4 |
| pmaxub mm3, mm5 ; median |
| paddb mm3, mm2 ; +residual |
| %if i==0 |
| movq mm7, mm3 |
| psllq mm7, 56 |
| %else |
| movq mm6, mm3 |
| psrlq mm7, 8 |
| psllq mm6, 56 |
| por mm7, mm6 |
| %endif |
| %if i<7 |
| psrlq mm0, 8 |
| psrlq mm1, 8 |
| psrlq mm2, 8 |
| %endif |
| %assign i i+1 |
| %endrep |
| movq [dstq+wq], mm7 |
| add wq, 8 |
| jl .loop |
| movzx r2d, byte [dstq-1] |
| mov [leftq], r2d |
| movzx r2d, byte [topq-1] |
| mov [left_topq], r2d |
| RET |