| ;***************************************************************************** |
| ;* 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 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 32 |
| |
| sq_1: dq 1 |
| dq 0 |
| |
| cextern pw_1 |
| cextern pw_1023 |
| %define pw_pixel_max pw_1023 |
| |
| SECTION .text |
| |
| ;----------------------------------------------------------------------------- |
| ; void ff_h264_weight_16_10(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 0 |
| 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 |
| %if notcpuflag(sse4) |
| pxor m7, m7 |
| %endif |
| %endmacro |
| |
| %macro WEIGHT_OP 1-2 |
| %if %0==1 |
| mova m5, [r0+%1] |
| punpckhwd m6, m5, m0 |
| punpcklwd m5, m0 |
| %else |
| movq m5, [r0+%1] |
| movq m6, [r0+%2] |
| punpcklwd m5, m0 |
| punpcklwd m6, m0 |
| %endif |
| pmaddwd m5, m3 |
| pmaddwd m6, m3 |
| psrad m5, m2 |
| psrad m6, m2 |
| %if cpuflag(sse4) |
| packusdw m5, m6 |
| pminsw m5, m4 |
| %else |
| packssdw m5, m6 |
| CLIPW m5, m7, m4 |
| %endif |
| %endmacro |
| |
| %macro WEIGHT_FUNC_DBL 0 |
| cglobal h264_weight_16_10 |
| WEIGHT_PROLOGUE |
| WEIGHT_SETUP |
| .nextrow: |
| WEIGHT_OP 0 |
| mova [r0 ], m5 |
| WEIGHT_OP 16 |
| mova [r0+16], m5 |
| add r0, r1 |
| dec r2d |
| jnz .nextrow |
| REP_RET |
| %endmacro |
| |
| INIT_XMM sse2 |
| WEIGHT_FUNC_DBL |
| INIT_XMM sse4 |
| WEIGHT_FUNC_DBL |
| |
| |
| %macro WEIGHT_FUNC_MM 0 |
| cglobal h264_weight_8_10 |
| WEIGHT_PROLOGUE |
| WEIGHT_SETUP |
| .nextrow: |
| WEIGHT_OP 0 |
| mova [r0], m5 |
| add r0, r1 |
| dec r2d |
| jnz .nextrow |
| REP_RET |
| %endmacro |
| |
| INIT_XMM sse2 |
| WEIGHT_FUNC_MM |
| INIT_XMM sse4 |
| WEIGHT_FUNC_MM |
| |
| |
| %macro WEIGHT_FUNC_HALF_MM 0 |
| cglobal h264_weight_4_10 |
| WEIGHT_PROLOGUE |
| sar r2d, 1 |
| WEIGHT_SETUP |
| lea r3, [r1*2] |
| .nextrow: |
| WEIGHT_OP 0, r1 |
| movh [r0], m5 |
| movhps [r0+r1], m5 |
| add r0, r3 |
| dec r2d |
| jnz .nextrow |
| REP_RET |
| %endmacro |
| |
| INIT_XMM sse2 |
| WEIGHT_FUNC_HALF_MM |
| INIT_XMM sse4 |
| WEIGHT_FUNC_HALF_MM |
| |
| |
| ;----------------------------------------------------------------------------- |
| ; void ff_h264_biweight_16_10(uint8_t *dst, uint8_t *src, int stride, |
| ; int height, int log2_denom, int weightd, |
| ; int weights, int offset); |
| ;----------------------------------------------------------------------------- |
| %if ARCH_X86_32 |
| DECLARE_REG_TMP 3 |
| %else |
| DECLARE_REG_TMP 7 |
| %endif |
| |
| %macro BIWEIGHT_PROLOGUE 0 |
| .prologue: |
| PROLOGUE 0,8,8 |
| movifnidn r0, r0mp |
| movifnidn r1, r1mp |
| movifnidn r2d, r2m |
| movifnidn r5d, r5m |
| movifnidn r6d, r6m |
| movifnidn t0d, r7m |
| %endmacro |
| |
| %macro BIWEIGHT_SETUP 0 |
| 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 |
| %if notcpuflag(sse4) |
| pxor m7, m7 |
| %endif |
| %endmacro |
| |
| %macro BIWEIGHT 1-2 |
| %if %0==1 |
| mova m0, [r0+%1] |
| mova m1, [r1+%1] |
| punpckhwd m2, m0, m1 |
| punpcklwd m0, m1 |
| %else |
| movq m0, [r0+%1] |
| movq m1, [r1+%1] |
| punpcklwd m0, m1 |
| movq m2, [r0+%2] |
| movq m1, [r1+%2] |
| punpcklwd m2, m1 |
| %endif |
| pmaddwd m0, m4 |
| pmaddwd m2, m4 |
| paddd m0, m5 |
| paddd m2, m5 |
| psrad m0, m6 |
| psrad m2, m6 |
| %if cpuflag(sse4) |
| packusdw m0, m2 |
| pminsw m0, m3 |
| %else |
| packssdw m0, m2 |
| CLIPW m0, m7, m3 |
| %endif |
| %endmacro |
| |
| %macro BIWEIGHT_FUNC_DBL 0 |
| cglobal h264_biweight_16_10 |
| BIWEIGHT_PROLOGUE |
| BIWEIGHT_SETUP |
| .nextrow: |
| BIWEIGHT 0 |
| mova [r0 ], m0 |
| BIWEIGHT 16 |
| mova [r0+16], m0 |
| add r0, r2 |
| add r1, r2 |
| dec r3d |
| jnz .nextrow |
| REP_RET |
| %endmacro |
| |
| INIT_XMM sse2 |
| BIWEIGHT_FUNC_DBL |
| INIT_XMM sse4 |
| BIWEIGHT_FUNC_DBL |
| |
| %macro BIWEIGHT_FUNC 0 |
| cglobal h264_biweight_8_10 |
| BIWEIGHT_PROLOGUE |
| BIWEIGHT_SETUP |
| .nextrow: |
| BIWEIGHT 0 |
| mova [r0], m0 |
| add r0, r2 |
| add r1, r2 |
| dec r3d |
| jnz .nextrow |
| REP_RET |
| %endmacro |
| |
| INIT_XMM sse2 |
| BIWEIGHT_FUNC |
| INIT_XMM sse4 |
| BIWEIGHT_FUNC |
| |
| %macro BIWEIGHT_FUNC_HALF 0 |
| cglobal h264_biweight_4_10 |
| BIWEIGHT_PROLOGUE |
| BIWEIGHT_SETUP |
| sar r3d, 1 |
| lea r4, [r2*2] |
| .nextrow: |
| BIWEIGHT 0, r2 |
| movh [r0 ], m0 |
| movhps [r0+r2], m0 |
| add r0, r4 |
| add r1, r4 |
| dec r3d |
| jnz .nextrow |
| REP_RET |
| %endmacro |
| |
| INIT_XMM sse2 |
| BIWEIGHT_FUNC_HALF |
| INIT_XMM sse4 |
| BIWEIGHT_FUNC_HALF |
