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.
272 lines
7.7 KiB
272 lines
7.7 KiB
;***************************************************************************** |
|
;* MMX/SSE2/AVX-optimized 10-bit H.264 chroma MC code |
|
;***************************************************************************** |
|
;* Copyright (C) 2005-2011 x264 project |
|
;* |
|
;* Authors: Daniel Kang <daniel.d.kang@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_RODATA |
|
|
|
cextern pw_4 |
|
cextern pw_8 |
|
cextern pw_32 |
|
cextern pw_64 |
|
|
|
SECTION .text |
|
|
|
|
|
%macro MV0_PIXELS_MC8 0 |
|
lea r4, [r2*3 ] |
|
lea r5, [r2*4 ] |
|
.next4rows: |
|
movu m0, [r1 ] |
|
movu m1, [r1+r2 ] |
|
CHROMAMC_AVG m0, [r0 ] |
|
CHROMAMC_AVG m1, [r0+r2 ] |
|
mova [r0 ], m0 |
|
mova [r0+r2 ], m1 |
|
movu m0, [r1+r2*2] |
|
movu m1, [r1+r4 ] |
|
CHROMAMC_AVG m0, [r0+r2*2] |
|
CHROMAMC_AVG m1, [r0+r4 ] |
|
mova [r0+r2*2], m0 |
|
mova [r0+r4 ], m1 |
|
add r1, r5 |
|
add r0, r5 |
|
sub r3d, 4 |
|
jne .next4rows |
|
%endmacro |
|
|
|
;----------------------------------------------------------------------------- |
|
; void ff_put/avg_h264_chroma_mc8(pixel *dst, pixel *src, int stride, int h, |
|
; int mx, int my) |
|
;----------------------------------------------------------------------------- |
|
%macro CHROMA_MC8 1 |
|
cglobal %1_h264_chroma_mc8_10, 6,7,8 |
|
movsxdifnidn r2, r2d |
|
mov r6d, r5d |
|
or r6d, r4d |
|
jne .at_least_one_non_zero |
|
; mx == 0 AND my == 0 - no filter needed |
|
MV0_PIXELS_MC8 |
|
REP_RET |
|
|
|
.at_least_one_non_zero: |
|
mov r6d, 2 |
|
test r5d, r5d |
|
je .x_interpolation |
|
mov r6, r2 ; dxy = x ? 1 : stride |
|
test r4d, r4d |
|
jne .xy_interpolation |
|
.x_interpolation: |
|
; mx == 0 XOR my == 0 - 1 dimensional filter only |
|
or r4d, r5d ; x + y |
|
movd m5, r4d |
|
mova m4, [pw_8] |
|
mova m6, [pw_4] ; mm6 = rnd >> 3 |
|
SPLATW m5, m5 ; mm5 = B = x |
|
psubw m4, m5 ; mm4 = A = 8-x |
|
|
|
.next1drow: |
|
movu m0, [r1 ] ; mm0 = src[0..7] |
|
movu m2, [r1+r6] ; mm2 = src[1..8] |
|
|
|
pmullw m0, m4 ; mm0 = A * src[0..7] |
|
pmullw m2, m5 ; mm2 = B * src[1..8] |
|
|
|
paddw m0, m6 |
|
paddw m0, m2 |
|
psrlw m0, 3 |
|
CHROMAMC_AVG m0, [r0] |
|
mova [r0], m0 ; dst[0..7] = (A * src[0..7] + B * src[1..8] + (rnd >> 3)) >> 3 |
|
|
|
add r0, r2 |
|
add r1, r2 |
|
dec r3d |
|
jne .next1drow |
|
REP_RET |
|
|
|
.xy_interpolation: ; general case, bilinear |
|
movd m4, r4m ; x |
|
movd m6, r5m ; y |
|
|
|
SPLATW m4, m4 ; mm4 = x words |
|
SPLATW m6, m6 ; mm6 = y words |
|
psllw m5, m4, 3 ; mm5 = 8x |
|
pmullw m4, m6 ; mm4 = x * y |
|
psllw m6, 3 ; mm6 = 8y |
|
paddw m1, m5, m6 ; mm7 = 8x+8y |
|
mova m7, m4 ; DD = x * y |
|
psubw m5, m4 ; mm5 = B = 8x - xy |
|
psubw m6, m4 ; mm6 = C = 8y - xy |
|
paddw m4, [pw_64] |
|
psubw m4, m1 ; mm4 = A = xy - (8x+8y) + 64 |
|
|
|
movu m0, [r1 ] ; mm0 = src[0..7] |
|
movu m1, [r1+2] ; mm1 = src[1..8] |
|
.next2drow: |
|
add r1, r2 |
|
|
|
pmullw m2, m0, m4 |
|
pmullw m1, m5 |
|
paddw m2, m1 ; mm2 = A * src[0..7] + B * src[1..8] |
|
|
|
movu m0, [r1] |
|
movu m1, [r1+2] |
|
pmullw m3, m0, m6 |
|
paddw m2, m3 ; mm2 += C * src[0..7+strde] |
|
pmullw m3, m1, m7 |
|
paddw m2, m3 ; mm2 += D * src[1..8+strde] |
|
|
|
paddw m2, [pw_32] |
|
psrlw m2, 6 |
|
CHROMAMC_AVG m2, [r0] |
|
mova [r0], m2 ; dst[0..7] = (mm2 + 32) >> 6 |
|
|
|
add r0, r2 |
|
dec r3d |
|
jne .next2drow |
|
REP_RET |
|
%endmacro |
|
|
|
;----------------------------------------------------------------------------- |
|
; void ff_put/avg_h264_chroma_mc4(pixel *dst, pixel *src, int stride, int h, |
|
; int mx, int my) |
|
;----------------------------------------------------------------------------- |
|
;TODO: xmm mc4 |
|
%macro MC4_OP 2 |
|
movq %1, [r1 ] |
|
movq m1, [r1+2] |
|
add r1, r2 |
|
pmullw %1, m4 |
|
pmullw m1, m2 |
|
paddw m1, %1 |
|
mova %1, m1 |
|
|
|
pmullw %2, m5 |
|
pmullw m1, m3 |
|
paddw %2, [pw_32] |
|
paddw m1, %2 |
|
psrlw m1, 6 |
|
CHROMAMC_AVG m1, %2, [r0] |
|
movq [r0], m1 |
|
add r0, r2 |
|
%endmacro |
|
|
|
%macro CHROMA_MC4 1 |
|
cglobal %1_h264_chroma_mc4_10, 6,6,7 |
|
movsxdifnidn r2, r2d |
|
movd m2, r4m ; x |
|
movd m3, r5m ; y |
|
mova m4, [pw_8] |
|
mova m5, m4 |
|
SPLATW m2, m2 |
|
SPLATW m3, m3 |
|
psubw m4, m2 |
|
psubw m5, m3 |
|
|
|
movq m0, [r1 ] |
|
movq m6, [r1+2] |
|
add r1, r2 |
|
pmullw m0, m4 |
|
pmullw m6, m2 |
|
paddw m6, m0 |
|
|
|
.next2rows: |
|
MC4_OP m0, m6 |
|
MC4_OP m6, m0 |
|
sub r3d, 2 |
|
jnz .next2rows |
|
REP_RET |
|
%endmacro |
|
|
|
;----------------------------------------------------------------------------- |
|
; void ff_put/avg_h264_chroma_mc2(pixel *dst, pixel *src, int stride, int h, |
|
; int mx, int my) |
|
;----------------------------------------------------------------------------- |
|
%macro CHROMA_MC2 1 |
|
cglobal %1_h264_chroma_mc2_10, 6,7 |
|
movsxdifnidn r2, r2d |
|
mov r6d, r4d |
|
shl r4d, 16 |
|
sub r4d, r6d |
|
add r4d, 8 |
|
imul r5d, r4d ; x*y<<16 | y*(8-x) |
|
shl r4d, 3 |
|
sub r4d, r5d ; x*(8-y)<<16 | (8-x)*(8-y) |
|
|
|
movd m5, r4d |
|
movd m6, r5d |
|
punpckldq m5, m5 ; mm5 = {A,B,A,B} |
|
punpckldq m6, m6 ; mm6 = {C,D,C,D} |
|
pxor m7, m7 |
|
pshufw m2, [r1], 0x94 ; mm0 = src[0,1,1,2] |
|
|
|
.nextrow: |
|
add r1, r2 |
|
movq m1, m2 |
|
pmaddwd m1, m5 ; mm1 = A * src[0,1] + B * src[1,2] |
|
pshufw m0, [r1], 0x94 ; mm0 = src[0,1,1,2] |
|
movq m2, m0 |
|
pmaddwd m0, m6 |
|
paddw m1, [pw_32] |
|
paddw m1, m0 ; mm1 += C * src[0,1] + D * src[1,2] |
|
psrlw m1, 6 |
|
packssdw m1, m7 |
|
CHROMAMC_AVG m1, m3, [r0] |
|
movd [r0], m1 |
|
add r0, r2 |
|
dec r3d |
|
jnz .nextrow |
|
REP_RET |
|
%endmacro |
|
|
|
%macro NOTHING 2-3 |
|
%endmacro |
|
%macro AVG 2-3 |
|
%if %0==3 |
|
movq %2, %3 |
|
%endif |
|
pavgw %1, %2 |
|
%endmacro |
|
|
|
%define CHROMAMC_AVG NOTHING |
|
INIT_XMM sse2 |
|
CHROMA_MC8 put |
|
%if HAVE_AVX_EXTERNAL |
|
INIT_XMM avx |
|
CHROMA_MC8 put |
|
%endif |
|
INIT_MMX mmxext |
|
CHROMA_MC4 put |
|
CHROMA_MC2 put |
|
|
|
%define CHROMAMC_AVG AVG |
|
INIT_XMM sse2 |
|
CHROMA_MC8 avg |
|
%if HAVE_AVX_EXTERNAL |
|
INIT_XMM avx |
|
CHROMA_MC8 avg |
|
%endif |
|
INIT_MMX mmxext |
|
CHROMA_MC4 avg |
|
CHROMA_MC2 avg
|
|
|