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;******************************************************************************
;* 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
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