mirror of https://git.ffmpeg.org/ffmpeg.git
144 lines
3.8 KiB
NASM
144 lines
3.8 KiB
NASM
;******************************************************************************
|
|
;* SIMD-optimized HuffYUV functions
|
|
;* Copyright (c) 2008 Loren Merritt
|
|
;* Copyright (c) 2014 Christophe Gisquet
|
|
;*
|
|
;* 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 .text
|
|
|
|
%include "libavcodec/x86/huffyuvdsp_template.asm"
|
|
|
|
;------------------------------------------------------------------------------
|
|
; void (*add_int16)(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
|
|
;------------------------------------------------------------------------------
|
|
|
|
%macro ADD_INT16 0
|
|
cglobal add_int16, 4,4,5, dst, src, mask, w, tmp
|
|
test srcq, mmsize-1
|
|
jnz .unaligned
|
|
test dstq, mmsize-1
|
|
jnz .unaligned
|
|
INT16_LOOP a, add
|
|
.unaligned:
|
|
INT16_LOOP u, add
|
|
%endmacro
|
|
|
|
INIT_XMM sse2
|
|
ADD_INT16
|
|
|
|
%if HAVE_AVX2_EXTERNAL
|
|
INIT_YMM avx2
|
|
ADD_INT16
|
|
%endif
|
|
|
|
; void add_hfyu_left_pred_bgr32(uint8_t *dst, const uint8_t *src,
|
|
; intptr_t w, uint8_t *left)
|
|
INIT_XMM sse2
|
|
cglobal add_hfyu_left_pred_bgr32, 4,4,3, dst, src, w, left
|
|
shl wq, 2
|
|
movd m0, [leftq]
|
|
lea dstq, [dstq + wq]
|
|
lea srcq, [srcq + wq]
|
|
LSHIFT m0, mmsize-4
|
|
neg wq
|
|
.loop:
|
|
movu m1, [srcq+wq]
|
|
mova m2, m1
|
|
LSHIFT m1, 4
|
|
paddb m1, m2
|
|
pshufd m0, m0, q3333
|
|
mova m2, m1
|
|
LSHIFT m1, 8
|
|
paddb m1, m2
|
|
paddb m0, m1
|
|
movu [dstq+wq], m0
|
|
add wq, mmsize
|
|
jl .loop
|
|
movd m0, [dstq-4]
|
|
movd [leftq], m0
|
|
REP_RET
|
|
|
|
|
|
; 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)
|
|
INIT_MMX mmxext
|
|
cglobal add_hfyu_median_pred_int16, 7,7,0, dst, top, diff, mask, w, left, left_top
|
|
add wd, wd
|
|
movd mm6, maskd
|
|
SPLATW mm6, mm6
|
|
movq mm0, [topq]
|
|
movq mm2, mm0
|
|
movd mm4, [left_topq]
|
|
psllq mm2, 16
|
|
movq mm1, mm0
|
|
por mm4, mm2
|
|
movd mm3, [leftq]
|
|
psubw 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, 16
|
|
por mm4, mm1
|
|
movq mm1, mm0 ; t
|
|
psubw mm0, mm4 ; t-tl
|
|
.skip:
|
|
movq mm2, [diffq+wq]
|
|
%assign i 0
|
|
%rep 4
|
|
movq mm4, mm0
|
|
paddw mm4, mm3 ; t-tl+l
|
|
pand mm4, mm6
|
|
movq mm5, mm3
|
|
pmaxsw mm3, mm1
|
|
pminsw mm5, mm1
|
|
pminsw mm3, mm4
|
|
pmaxsw mm3, mm5 ; median
|
|
paddw mm3, mm2 ; +residual
|
|
pand mm3, mm6
|
|
%if i==0
|
|
movq mm7, mm3
|
|
psllq mm7, 48
|
|
%else
|
|
movq mm4, mm3
|
|
psrlq mm7, 16
|
|
psllq mm4, 48
|
|
por mm7, mm4
|
|
%endif
|
|
%if i<3
|
|
psrlq mm0, 16
|
|
psrlq mm1, 16
|
|
psrlq mm2, 16
|
|
%endif
|
|
%assign i i+1
|
|
%endrep
|
|
movq [dstq+wq], mm7
|
|
add wq, 8
|
|
jl .loop
|
|
movzx r2d, word [dstq-2]
|
|
mov [leftq], r2d
|
|
movzx r2d, word [topq-2]
|
|
mov [left_topq], r2d
|
|
RET
|