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git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60
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Sergey Semyonov (Serge)
2013-12-15 08:09:20 +00:00
parent 6c6781f799
commit 754f9336f0
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contrib/sdk/sources/ffmpeg/libavcodec/x86/h264_weight.asm Normal file
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;*****************************************************************************
;* SSE2-optimized weighted prediction code
;*****************************************************************************
;* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt
;* Copyright (C) 2010 Eli Friedman <eli.friedman@gmail.com>
;*
;* 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
;-----------------------------------------------------------------------------
; biweight pred:
;
; void h264_biweight_16_sse2(uint8_t *dst, uint8_t *src, int stride,
; int height, int log2_denom, int weightd,
; int weights, int offset);
; and
; void h264_weight_16_sse2(uint8_t *dst, int stride, int height,
; int log2_denom, int weight, int offset);
;-----------------------------------------------------------------------------
%macro WEIGHT_SETUP 0
add r5, r5
inc r5
movd m3, r4d
movd m5, r5d
movd m6, r3d
pslld m5, m6
psrld m5, 1
%if mmsize == 16
pshuflw m3, m3, 0
pshuflw m5, m5, 0
punpcklqdq m3, m3
punpcklqdq m5, m5
%else
pshufw m3, m3, 0
pshufw m5, m5, 0
%endif
pxor m7, m7
%endmacro
%macro WEIGHT_OP 2
movh m0, [r0+%1]
movh m1, [r0+%2]
punpcklbw m0, m7
punpcklbw m1, m7
pmullw m0, m3
pmullw m1, m3
paddsw m0, m5
paddsw m1, m5
psraw m0, m6
psraw m1, m6
packuswb m0, m1
%endmacro
INIT_MMX mmxext
cglobal h264_weight_16, 6, 6, 0
WEIGHT_SETUP
.nextrow:
WEIGHT_OP 0, 4
mova [r0 ], m0
WEIGHT_OP 8, 12
mova [r0+8], m0
add r0, r1
dec r2d
jnz .nextrow
REP_RET
%macro WEIGHT_FUNC_MM 2
cglobal h264_weight_%1, 6, 6, %2
WEIGHT_SETUP
.nextrow:
WEIGHT_OP 0, mmsize/2
mova [r0], m0
add r0, r1
dec r2d
jnz .nextrow
REP_RET
%endmacro
INIT_MMX mmxext
WEIGHT_FUNC_MM 8, 0
INIT_XMM sse2
WEIGHT_FUNC_MM 16, 8
%macro WEIGHT_FUNC_HALF_MM 2
cglobal h264_weight_%1, 6, 6, %2
WEIGHT_SETUP
sar r2d, 1
lea r3, [r1*2]
.nextrow:
WEIGHT_OP 0, r1
movh [r0], m0
%if mmsize == 16
movhps [r0+r1], m0
%else
psrlq m0, 32
movh [r0+r1], m0
%endif
add r0, r3
dec r2d
jnz .nextrow
REP_RET
%endmacro
INIT_MMX mmxext
WEIGHT_FUNC_HALF_MM 4, 0
INIT_XMM sse2
WEIGHT_FUNC_HALF_MM 8, 8
%macro BIWEIGHT_SETUP 0
%if ARCH_X86_64
%define off_regd r7d
%else
%define off_regd r3d
%endif
mov off_regd, r7m
add off_regd, 1
or off_regd, 1
add r4, 1
cmp r5, 128
jne .normal
sar r5, 1
sar r6, 1
sar off_regd, 1
sub r4, 1
.normal
%if cpuflag(ssse3)
movd m4, r5d
movd m0, r6d
%else
movd m3, r5d
movd m4, r6d
%endif
movd m5, off_regd
movd m6, r4d
pslld m5, m6
psrld m5, 1
%if cpuflag(ssse3)
punpcklbw m4, m0
pshuflw m4, m4, 0
pshuflw m5, m5, 0
punpcklqdq m4, m4
punpcklqdq m5, m5
%else
%if mmsize == 16
pshuflw m3, m3, 0
pshuflw m4, m4, 0
pshuflw m5, m5, 0
punpcklqdq m3, m3
punpcklqdq m4, m4
punpcklqdq m5, m5
%else
pshufw m3, m3, 0
pshufw m4, m4, 0
pshufw m5, m5, 0
%endif
pxor m7, m7
%endif
%endmacro
%macro BIWEIGHT_STEPA 3
movh m%1, [r0+%3]
movh m%2, [r1+%3]
punpcklbw m%1, m7
punpcklbw m%2, m7
pmullw m%1, m3
pmullw m%2, m4
paddsw m%1, m%2
%endmacro
%macro BIWEIGHT_STEPB 0
paddsw m0, m5
paddsw m1, m5
psraw m0, m6
psraw m1, m6
packuswb m0, m1
%endmacro
INIT_MMX mmxext
cglobal h264_biweight_16, 7, 8, 0
BIWEIGHT_SETUP
movifnidn r3d, r3m
.nextrow:
BIWEIGHT_STEPA 0, 1, 0
BIWEIGHT_STEPA 1, 2, 4
BIWEIGHT_STEPB
mova [r0], m0
BIWEIGHT_STEPA 0, 1, 8
BIWEIGHT_STEPA 1, 2, 12
BIWEIGHT_STEPB
mova [r0+8], m0
add r0, r2
add r1, r2
dec r3d
jnz .nextrow
REP_RET
%macro BIWEIGHT_FUNC_MM 2
cglobal h264_biweight_%1, 7, 8, %2
BIWEIGHT_SETUP
movifnidn r3d, r3m
.nextrow:
BIWEIGHT_STEPA 0, 1, 0
BIWEIGHT_STEPA 1, 2, mmsize/2
BIWEIGHT_STEPB
mova [r0], m0
add r0, r2
add r1, r2
dec r3d
jnz .nextrow
REP_RET
%endmacro
INIT_MMX mmxext
BIWEIGHT_FUNC_MM 8, 0
INIT_XMM sse2
BIWEIGHT_FUNC_MM 16, 8
%macro BIWEIGHT_FUNC_HALF_MM 2
cglobal h264_biweight_%1, 7, 8, %2
BIWEIGHT_SETUP
movifnidn r3d, r3m
sar r3, 1
lea r4, [r2*2]
.nextrow:
BIWEIGHT_STEPA 0, 1, 0
BIWEIGHT_STEPA 1, 2, r2
BIWEIGHT_STEPB
movh [r0], m0
%if mmsize == 16
movhps [r0+r2], m0
%else
psrlq m0, 32
movh [r0+r2], m0
%endif
add r0, r4
add r1, r4
dec r3d
jnz .nextrow
REP_RET
%endmacro
INIT_MMX mmxext
BIWEIGHT_FUNC_HALF_MM 4, 0
INIT_XMM sse2
BIWEIGHT_FUNC_HALF_MM 8, 8
%macro BIWEIGHT_SSSE3_OP 0
pmaddubsw m0, m4
pmaddubsw m2, m4
paddsw m0, m5
paddsw m2, m5
psraw m0, m6
psraw m2, m6
packuswb m0, m2
%endmacro
INIT_XMM ssse3
cglobal h264_biweight_16, 7, 8, 8
BIWEIGHT_SETUP
movifnidn r3d, r3m
.nextrow:
movh m0, [r0]
movh m2, [r0+8]
movh m3, [r1+8]
punpcklbw m0, [r1]
punpcklbw m2, m3
BIWEIGHT_SSSE3_OP
mova [r0], m0
add r0, r2
add r1, r2
dec r3d
jnz .nextrow
REP_RET
INIT_XMM ssse3
cglobal h264_biweight_8, 7, 8, 8
BIWEIGHT_SETUP
movifnidn r3d, r3m
sar r3, 1
lea r4, [r2*2]
.nextrow:
movh m0, [r0]
movh m1, [r1]
movh m2, [r0+r2]
movh m3, [r1+r2]
punpcklbw m0, m1
punpcklbw m2, m3
BIWEIGHT_SSSE3_OP
movh [r0], m0
movhps [r0+r2], m0
add r0, r4
add r1, r4
dec r3d
jnz .nextrow
REP_RET