295 lines
6.9 KiB
NASM
295 lines
6.9 KiB
NASM
;******************************************************************************
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;* SIMD lossless video DSP utils
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;* Copyright (c) 2008 Loren Merritt
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;* Copyright (c) 2014 Michael Niedermayer
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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pb_ef: times 8 db 14,15
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pb_67: times 8 db 6, 7
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pb_zzzz2323zzzzabab: db -1,-1,-1,-1, 2, 3, 2, 3,-1,-1,-1,-1,10,11,10,11
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pb_zzzzzzzz67676767: db -1,-1,-1,-1,-1,-1,-1,-1, 6, 7, 6, 7, 6, 7, 6, 7
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SECTION_TEXT
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%macro INT16_LOOP 2 ; %1 = a/u (aligned/unaligned), %2 = add/sub
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movd m4, maskd
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SPLATW m4, m4
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add wd, wd
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test wq, 2*mmsize - 1
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jz %%.tomainloop
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push tmpq
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%%.wordloop:
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sub wq, 2
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%ifidn %2, add
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mov tmpw, [srcq+wq]
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add tmpw, [dstq+wq]
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%else
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mov tmpw, [src1q+wq]
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sub tmpw, [src2q+wq]
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%endif
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and tmpw, maskw
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mov [dstq+wq], tmpw
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test wq, 2*mmsize - 1
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jnz %%.wordloop
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pop tmpq
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%%.tomainloop:
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%ifidn %2, add
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add srcq, wq
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%else
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add src1q, wq
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add src2q, wq
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%endif
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add dstq, wq
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neg wq
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jz %%.end
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%%.loop:
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%ifidn %2, add
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mov%1 m0, [srcq+wq]
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mov%1 m1, [dstq+wq]
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mov%1 m2, [srcq+wq+mmsize]
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mov%1 m3, [dstq+wq+mmsize]
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%else
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mov%1 m0, [src1q+wq]
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mov%1 m1, [src2q+wq]
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mov%1 m2, [src1q+wq+mmsize]
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mov%1 m3, [src2q+wq+mmsize]
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%endif
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p%2w m0, m1
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p%2w m2, m3
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pand m0, m4
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pand m2, m4
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mov%1 [dstq+wq] , m0
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mov%1 [dstq+wq+mmsize], m2
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add wq, 2*mmsize
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jl %%.loop
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%%.end:
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RET
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%endmacro
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INIT_MMX mmx
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cglobal add_int16, 4,4,5, dst, src, mask, w, tmp
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INT16_LOOP a, add
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INIT_XMM sse2
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cglobal add_int16, 4,4,5, dst, src, mask, w, tmp
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test srcq, mmsize-1
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jnz .unaligned
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test dstq, mmsize-1
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jnz .unaligned
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INT16_LOOP a, add
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.unaligned:
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INT16_LOOP u, add
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INIT_MMX mmx
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cglobal diff_int16, 5,5,5, dst, src1, src2, mask, w, tmp
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INT16_LOOP a, sub
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INIT_XMM sse2
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cglobal diff_int16, 5,5,5, dst, src1, src2, mask, w, tmp
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test src1q, mmsize-1
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jnz .unaligned
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test src2q, mmsize-1
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jnz .unaligned
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test dstq, mmsize-1
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jnz .unaligned
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INT16_LOOP a, sub
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.unaligned:
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INT16_LOOP u, sub
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%macro ADD_HFYU_LEFT_LOOP_INT16 2 ; %1 = dst alignment (a/u), %2 = src alignment (a/u)
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add wd, wd
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add srcq, wq
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add dstq, wq
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neg wq
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%%.loop:
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mov%2 m1, [srcq+wq]
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mova m2, m1
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pslld m1, 16
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paddw m1, m2
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mova m2, m1
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pshufb m1, m3
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paddw m1, m2
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pshufb m0, m5
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%if mmsize == 16
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mova m2, m1
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pshufb m1, m4
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paddw m1, m2
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%endif
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paddw m0, m1
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pand m0, m7
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%ifidn %1, a
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mova [dstq+wq], m0
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%else
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movq [dstq+wq], m0
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movhps [dstq+wq+8], m0
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%endif
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add wq, mmsize
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jl %%.loop
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mov eax, mmsize-1
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sub eax, wd
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mov wd, eax
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shl wd, 8
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lea eax, [wd+eax-1]
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movd m1, eax
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pshufb m0, m1
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movd eax, m0
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RET
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%endmacro
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; int add_hfyu_left_pred_int16(uint16_t *dst, const uint16_t *src, unsigned mask, int w, int left)
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INIT_MMX ssse3
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cglobal add_hfyu_left_pred_int16, 4,4,8, dst, src, mask, w, left
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.skip_prologue:
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mova m5, [pb_67]
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mova m3, [pb_zzzz2323zzzzabab]
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movd m0, leftm
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psllq m0, 48
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movd m7, maskm
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SPLATW m7 ,m7
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ADD_HFYU_LEFT_LOOP_INT16 a, a
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INIT_XMM sse4
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cglobal add_hfyu_left_pred_int16, 4,4,8, dst, src, mask, w, left
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mova m5, [pb_ef]
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mova m4, [pb_zzzzzzzz67676767]
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mova m3, [pb_zzzz2323zzzzabab]
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movd m0, leftm
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pslldq m0, 14
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movd m7, maskm
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SPLATW m7 ,m7
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test srcq, 15
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jnz .src_unaligned
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test dstq, 15
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jnz .dst_unaligned
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ADD_HFYU_LEFT_LOOP_INT16 a, a
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.dst_unaligned:
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ADD_HFYU_LEFT_LOOP_INT16 u, a
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.src_unaligned:
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ADD_HFYU_LEFT_LOOP_INT16 u, u
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; void add_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int mask, int w, int *left, int *left_top)
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INIT_MMX mmxext
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cglobal add_hfyu_median_pred_int16, 7,7,0, dst, top, diff, mask, w, left, left_top
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add wd, wd
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movd mm6, maskd
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SPLATW mm6, mm6
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movq mm0, [topq]
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movq mm2, mm0
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movd mm4, [left_topq]
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psllq mm2, 16
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movq mm1, mm0
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por mm4, mm2
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movd mm3, [leftq]
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psubw mm0, mm4 ; t-tl
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add dstq, wq
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add topq, wq
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add diffq, wq
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neg wq
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jmp .skip
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.loop:
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movq mm4, [topq+wq]
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movq mm0, mm4
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psllq mm4, 16
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por mm4, mm1
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movq mm1, mm0 ; t
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psubw mm0, mm4 ; t-tl
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.skip:
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movq mm2, [diffq+wq]
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%assign i 0
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%rep 4
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movq mm4, mm0
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paddw mm4, mm3 ; t-tl+l
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pand mm4, mm6
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movq mm5, mm3
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pmaxsw mm3, mm1
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pminsw mm5, mm1
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pminsw mm3, mm4
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pmaxsw mm3, mm5 ; median
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paddw mm3, mm2 ; +residual
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pand mm3, mm6
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%if i==0
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movq mm7, mm3
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psllq mm7, 48
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%else
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movq mm4, mm3
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psrlq mm7, 16
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psllq mm4, 48
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por mm7, mm4
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%endif
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%if i<3
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psrlq mm0, 16
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psrlq mm1, 16
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psrlq mm2, 16
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%endif
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%assign i i+1
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%endrep
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movq [dstq+wq], mm7
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add wq, 8
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jl .loop
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movzx r2d, word [dstq-2]
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mov [leftq], r2d
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movzx r2d, word [topq-2]
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mov [left_topq], r2d
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RET
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cglobal sub_hfyu_median_pred_int16, 7,7,0, dst, src1, src2, mask, w, left, left_top
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add wd, wd
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movd mm7, maskd
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SPLATW mm7, mm7
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movq mm0, [src1q]
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movq mm2, [src2q]
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psllq mm0, 16
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psllq mm2, 16
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movd mm6, [left_topq]
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por mm0, mm6
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movd mm6, [leftq]
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por mm2, mm6
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xor maskq, maskq
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.loop:
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movq mm1, [src1q + maskq]
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movq mm3, [src2q + maskq]
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movq mm4, mm2
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psubw mm2, mm0
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paddw mm2, mm1
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pand mm2, mm7
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movq mm5, mm4
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pmaxsw mm4, mm1
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pminsw mm1, mm5
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pminsw mm4, mm2
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pmaxsw mm4, mm1
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psubw mm3, mm4
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pand mm3, mm7
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movq [dstq + maskq], mm3
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add maskq, 8
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movq mm0, [src1q + maskq - 2]
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movq mm2, [src2q + maskq - 2]
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cmp maskq, wq
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jb .loop
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movzx maskd, word [src1q + wq - 2]
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mov [left_topq], maskd
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movzx maskd, word [src2q + wq - 2]
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mov [leftq], maskd
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RET
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