mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
277 lines
6.2 KiB
277 lines
6.2 KiB
;***************************************************************************** |
|
;* MMX/SSE2/AVX-optimized 10-bit H.264 weighted prediction code |
|
;***************************************************************************** |
|
;* Copyright (C) 2005-2011 x264 project |
|
;* |
|
;* Authors: Daniel Kang <daniel.d.kang@gmail.com> |
|
;* |
|
;* This file is part of Libav. |
|
;* |
|
;* Libav 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. |
|
;* |
|
;* Libav 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 Libav; if not, write to the Free Software |
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
;****************************************************************************** |
|
|
|
%include "x86inc.asm" |
|
%include "x86util.asm" |
|
|
|
SECTION_RODATA 32 |
|
|
|
pw_pixel_max: times 8 dw ((1 << 10)-1) |
|
sq_1: dq 1 |
|
dq 0 |
|
|
|
cextern pw_1 |
|
|
|
SECTION .text |
|
|
|
;----------------------------------------------------------------------------- |
|
; void h264_weight(uint8_t *dst, int stride, int height, int log2_denom, |
|
; int weight, int offset); |
|
;----------------------------------------------------------------------------- |
|
%macro WEIGHT_PROLOGUE 0 |
|
.prologue |
|
PROLOGUE 0,6,8 |
|
movifnidn r0, r0mp |
|
movifnidn r1d, r1m |
|
movifnidn r2d, r2m |
|
movifnidn r4d, r4m |
|
movifnidn r5d, r5m |
|
%endmacro |
|
|
|
%macro WEIGHT_SETUP 1 |
|
mova m0, [pw_1] |
|
movd m2, r3m |
|
pslld m0, m2 ; 1<<log2_denom |
|
SPLATW m0, m0 |
|
shl r5, 19 ; *8, move to upper half of dword |
|
lea r5, [r5+r4*2+0x10000] |
|
movd m3, r5d ; weight<<1 | 1+(offset<<(3)) |
|
pshufd m3, m3, 0 |
|
mova m4, [pw_pixel_max] |
|
paddw m2, [sq_1] ; log2_denom+1 |
|
%ifnidn %1, sse4 |
|
pxor m7, m7 |
|
%endif |
|
%endmacro |
|
|
|
%macro WEIGHT_OP 2-3 |
|
%if %0==2 |
|
mova m5, [r0+%2] |
|
punpckhwd m6, m5, m0 |
|
punpcklwd m5, m0 |
|
%else |
|
movq m5, [r0+%2] |
|
movq m6, [r0+%3] |
|
punpcklwd m5, m0 |
|
punpcklwd m6, m0 |
|
%endif |
|
pmaddwd m5, m3 |
|
pmaddwd m6, m3 |
|
psrad m5, m2 |
|
psrad m6, m2 |
|
%ifidn %1, sse4 |
|
packusdw m5, m6 |
|
pminsw m5, m4 |
|
%else |
|
packssdw m5, m6 |
|
CLIPW m5, m7, m4 |
|
%endif |
|
%endmacro |
|
|
|
%macro WEIGHT_FUNC_DBL 1 |
|
cglobal h264_weight_16_10_%1 |
|
WEIGHT_PROLOGUE |
|
WEIGHT_SETUP %1 |
|
.nextrow |
|
WEIGHT_OP %1, 0 |
|
mova [r0 ], m5 |
|
WEIGHT_OP %1, 16 |
|
mova [r0+16], m5 |
|
add r0, r1 |
|
dec r2d |
|
jnz .nextrow |
|
REP_RET |
|
%endmacro |
|
|
|
INIT_XMM |
|
WEIGHT_FUNC_DBL sse2 |
|
WEIGHT_FUNC_DBL sse4 |
|
|
|
|
|
%macro WEIGHT_FUNC_MM 1 |
|
cglobal h264_weight_8_10_%1 |
|
WEIGHT_PROLOGUE |
|
WEIGHT_SETUP %1 |
|
.nextrow |
|
WEIGHT_OP %1, 0 |
|
mova [r0], m5 |
|
add r0, r1 |
|
dec r2d |
|
jnz .nextrow |
|
REP_RET |
|
%endmacro |
|
|
|
INIT_XMM |
|
WEIGHT_FUNC_MM sse2 |
|
WEIGHT_FUNC_MM sse4 |
|
|
|
|
|
%macro WEIGHT_FUNC_HALF_MM 1 |
|
cglobal h264_weight_4_10_%1 |
|
WEIGHT_PROLOGUE |
|
sar r2d, 1 |
|
WEIGHT_SETUP %1 |
|
lea r3, [r1*2] |
|
.nextrow |
|
WEIGHT_OP %1, 0, r1 |
|
movh [r0], m5 |
|
movhps [r0+r1], m5 |
|
add r0, r3 |
|
dec r2d |
|
jnz .nextrow |
|
REP_RET |
|
%endmacro |
|
|
|
INIT_XMM |
|
WEIGHT_FUNC_HALF_MM sse2 |
|
WEIGHT_FUNC_HALF_MM sse4 |
|
|
|
|
|
;----------------------------------------------------------------------------- |
|
; void h264_biweight(uint8_t *dst, uint8_t *src, int stride, int height, |
|
; int log2_denom, int weightd, int weights, int offset); |
|
;----------------------------------------------------------------------------- |
|
%ifdef ARCH_X86_32 |
|
DECLARE_REG_TMP 3 |
|
%else |
|
DECLARE_REG_TMP 10 |
|
%endif |
|
|
|
%macro BIWEIGHT_PROLOGUE 0 |
|
.prologue |
|
PROLOGUE 0,7,8 |
|
movifnidn r0, r0mp |
|
movifnidn r1, r1mp |
|
movifnidn r2d, r2m |
|
movifnidn r5d, r5m |
|
movifnidn r6d, r6m |
|
movifnidn t0d, r7m |
|
%endmacro |
|
|
|
%macro BIWEIGHT_SETUP 1 |
|
lea t0, [t0*4+1] ; (offset<<2)+1 |
|
or t0, 1 |
|
shl r6, 16 |
|
or r5, r6 |
|
movd m4, r5d ; weightd | weights |
|
movd m5, t0d ; (offset+1)|1 |
|
movd m6, r4m ; log2_denom |
|
pslld m5, m6 ; (((offset<<2)+1)|1)<<log2_denom |
|
paddd m6, [sq_1] |
|
pshufd m4, m4, 0 |
|
pshufd m5, m5, 0 |
|
mova m3, [pw_pixel_max] |
|
movifnidn r3d, r3m |
|
%ifnidn %1, sse4 |
|
pxor m7, m7 |
|
%endif |
|
%endmacro |
|
|
|
%macro BIWEIGHT 2-3 |
|
%if %0==2 |
|
mova m0, [r0+%2] |
|
mova m1, [r1+%2] |
|
punpckhwd m2, m0, m1 |
|
punpcklwd m0, m1 |
|
%else |
|
movq m0, [r0+%2] |
|
movq m1, [r1+%2] |
|
punpcklwd m0, m1 |
|
movq m2, [r0+%3] |
|
movq m1, [r1+%3] |
|
punpcklwd m2, m1 |
|
%endif |
|
pmaddwd m0, m4 |
|
pmaddwd m2, m4 |
|
paddd m0, m5 |
|
paddd m2, m5 |
|
psrad m0, m6 |
|
psrad m2, m6 |
|
%ifidn %1, sse4 |
|
packusdw m0, m2 |
|
pminsw m0, m3 |
|
%else |
|
packssdw m0, m2 |
|
CLIPW m0, m7, m3 |
|
%endif |
|
%endmacro |
|
|
|
%macro BIWEIGHT_FUNC_DBL 1 |
|
cglobal h264_biweight_16_10_%1 |
|
BIWEIGHT_PROLOGUE |
|
BIWEIGHT_SETUP %1 |
|
.nextrow |
|
BIWEIGHT %1, 0 |
|
mova [r0 ], m0 |
|
BIWEIGHT %1, 16 |
|
mova [r0+16], m0 |
|
add r0, r2 |
|
add r1, r2 |
|
dec r3d |
|
jnz .nextrow |
|
REP_RET |
|
%endmacro |
|
|
|
INIT_XMM |
|
BIWEIGHT_FUNC_DBL sse2 |
|
BIWEIGHT_FUNC_DBL sse4 |
|
|
|
%macro BIWEIGHT_FUNC 1 |
|
cglobal h264_biweight_8_10_%1 |
|
BIWEIGHT_PROLOGUE |
|
BIWEIGHT_SETUP %1 |
|
.nextrow |
|
BIWEIGHT %1, 0 |
|
mova [r0], m0 |
|
add r0, r2 |
|
add r1, r2 |
|
dec r3d |
|
jnz .nextrow |
|
REP_RET |
|
%endmacro |
|
|
|
INIT_XMM |
|
BIWEIGHT_FUNC sse2 |
|
BIWEIGHT_FUNC sse4 |
|
|
|
%macro BIWEIGHT_FUNC_HALF 1 |
|
cglobal h264_biweight_4_10_%1 |
|
BIWEIGHT_PROLOGUE |
|
BIWEIGHT_SETUP %1 |
|
sar r3d, 1 |
|
lea r4, [r2*2] |
|
.nextrow |
|
BIWEIGHT %1, 0, r2 |
|
movh [r0 ], m0 |
|
movhps [r0+r2], m0 |
|
add r0, r4 |
|
add r1, r4 |
|
dec r3d |
|
jnz .nextrow |
|
REP_RET |
|
%endmacro |
|
|
|
INIT_XMM |
|
BIWEIGHT_FUNC_HALF sse2 |
|
BIWEIGHT_FUNC_HALF sse4
|
|
|