;****************************************************************************** ;* SIMD optimized SAO functions for HEVC 10/12bit decoding ;* ;* Copyright (c) 2013 Pierre-Edouard LEPERE ;* Copyright (c) 2014 James Almer ;* ;* 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 pw_m2: times 16 dw -2 pw_mask10: times 16 dw 0x03FF pw_mask12: times 16 dw 0x0FFF pb_eo: db -1, 0, 1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, -1, -1, 1 cextern pw_m1 cextern pw_1 cextern pw_2 SECTION .text ;****************************************************************************** ;SAO Band Filter ;****************************************************************************** %macro HEVC_SAO_BAND_FILTER_INIT 1 and leftq, 31 movd xm0, leftd add leftq, 1 and leftq, 31 movd xm1, leftd add leftq, 1 and leftq, 31 movd xm2, leftd add leftq, 1 and leftq, 31 movd xm3, leftd SPLATW m0, xm0 SPLATW m1, xm1 SPLATW m2, xm2 SPLATW m3, xm3 %if mmsize > 16 SPLATW m4, [offsetq + 2] SPLATW m5, [offsetq + 4] SPLATW m6, [offsetq + 6] SPLATW m7, [offsetq + 8] %else movq m7, [offsetq + 2] SPLATW m4, m7, 0 SPLATW m5, m7, 1 SPLATW m6, m7, 2 SPLATW m7, m7, 3 %endif %if ARCH_X86_64 mova m13, [pw_mask %+ %1] pxor m14, m14 %else ; ARCH_X86_32 mova [rsp+mmsize*0], m0 mova [rsp+mmsize*1], m1 mova [rsp+mmsize*2], m2 mova [rsp+mmsize*3], m3 mova [rsp+mmsize*4], m4 mova [rsp+mmsize*5], m5 mova [rsp+mmsize*6], m6 mova m1, [pw_mask %+ %1] pxor m0, m0 %define m14 m0 %define m13 m1 %define m9 m2 %define m8 m3 %endif ; ARCH DEFINE_ARGS dst, src, dststride, srcstride, offset, height mov heightd, r7m %endmacro ;void ff_hevc_sao_band_filter___(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, ; int16_t *sao_offset_val, int sao_left_class, int width, int height); %macro HEVC_SAO_BAND_FILTER 3 cglobal hevc_sao_band_filter_%2_%1, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, dststride, srcstride, offset, left HEVC_SAO_BAND_FILTER_INIT %1 align 16 .loop: %assign i 0 %assign j 0 %rep %3 %assign k 8+(j&1) %assign l 9-(j&1) mova m %+ k, [srcq + i] psraw m %+ l, m %+ k, %1-5 %if ARCH_X86_64 pcmpeqw m10, m %+ l, m0 pcmpeqw m11, m %+ l, m1 pcmpeqw m12, m %+ l, m2 pcmpeqw m %+ l, m3 pand m10, m4 pand m11, m5 pand m12, m6 pand m %+ l, m7 por m10, m11 por m12, m %+ l por m10, m12 paddw m %+ k, m10 %else ; ARCH_X86_32 pcmpeqw m4, m %+ l, [rsp+mmsize*0] pcmpeqw m5, m %+ l, [rsp+mmsize*1] pcmpeqw m6, m %+ l, [rsp+mmsize*2] pcmpeqw m %+ l, [rsp+mmsize*3] pand m4, [rsp+mmsize*4] pand m5, [rsp+mmsize*5] pand m6, [rsp+mmsize*6] pand m %+ l, m7 por m4, m5 por m6, m %+ l por m4, m6 paddw m %+ k, m4 %endif ; ARCH CLIPW m %+ k, m14, m13 mova [dstq + i], m %+ k %assign i i+mmsize %assign j j+1 %endrep add dstq, dststrideq add srcq, srcstrideq dec heightd jg .loop REP_RET %endmacro %macro HEVC_SAO_BAND_FILTER_FUNCS 0 HEVC_SAO_BAND_FILTER 10, 8, 1 HEVC_SAO_BAND_FILTER 10, 16, 2 HEVC_SAO_BAND_FILTER 10, 32, 4 HEVC_SAO_BAND_FILTER 10, 48, 6 HEVC_SAO_BAND_FILTER 10, 64, 8 HEVC_SAO_BAND_FILTER 12, 8, 1 HEVC_SAO_BAND_FILTER 12, 16, 2 HEVC_SAO_BAND_FILTER 12, 32, 4 HEVC_SAO_BAND_FILTER 12, 48, 6 HEVC_SAO_BAND_FILTER 12, 64, 8 %endmacro INIT_XMM sse2 HEVC_SAO_BAND_FILTER_FUNCS INIT_XMM avx HEVC_SAO_BAND_FILTER_FUNCS %if HAVE_AVX2_EXTERNAL INIT_XMM avx2 HEVC_SAO_BAND_FILTER 10, 8, 1 INIT_YMM avx2 HEVC_SAO_BAND_FILTER 10, 16, 1 HEVC_SAO_BAND_FILTER 10, 32, 2 HEVC_SAO_BAND_FILTER 10, 48, 3 HEVC_SAO_BAND_FILTER 10, 64, 4 INIT_XMM avx2 HEVC_SAO_BAND_FILTER 12, 8, 1 INIT_YMM avx2 HEVC_SAO_BAND_FILTER 12, 16, 1 HEVC_SAO_BAND_FILTER 12, 32, 2 HEVC_SAO_BAND_FILTER 12, 48, 3 HEVC_SAO_BAND_FILTER 12, 64, 4 %endif ;****************************************************************************** ;SAO Edge Filter ;****************************************************************************** %define MAX_PB_SIZE 64 %define PADDING_SIZE 32 ; AV_INPUT_BUFFER_PADDING_SIZE %define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE %macro PMINUW 4 %if cpuflag(sse4) pminuw %1, %2, %3 %else psubusw %4, %2, %3 psubw %1, %2, %4 %endif %endmacro %macro HEVC_SAO_EDGE_FILTER_INIT 0 %if WIN64 movsxd eoq, dword eom %elif ARCH_X86_64 movsxd eoq, eod %else mov eoq, r4m %endif lea tmp2q, [pb_eo] movsx a_strideq, byte [tmp2q+eoq*4+1] movsx b_strideq, byte [tmp2q+eoq*4+3] imul a_strideq, EDGE_SRCSTRIDE >> 1 imul b_strideq, EDGE_SRCSTRIDE >> 1 movsx tmpq, byte [tmp2q+eoq*4] add a_strideq, tmpq movsx tmpq, byte [tmp2q+eoq*4+2] add b_strideq, tmpq %endmacro ;void ff_hevc_sao_edge_filter___(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val, ; int eo, int width, int height); %macro HEVC_SAO_EDGE_FILTER 3 %if ARCH_X86_64 cglobal hevc_sao_edge_filter_%2_%1, 4, 9, 16, dst, src, dststride, offset, eo, a_stride, b_stride, height, tmp %define tmp2q heightq HEVC_SAO_EDGE_FILTER_INIT mov heightd, r6m add a_strideq, a_strideq add b_strideq, b_strideq %else ; ARCH_X86_32 cglobal hevc_sao_edge_filter_%2_%1, 1, 6, 8, 5*mmsize, dst, src, dststride, a_stride, b_stride, height %define eoq srcq %define tmpq heightq %define tmp2q dststrideq %define offsetq heightq %define m8 m1 %define m9 m2 %define m10 m3 %define m11 m4 %define m12 m5 HEVC_SAO_EDGE_FILTER_INIT mov srcq, srcm mov offsetq, r3m mov dststrideq, dststridem add a_strideq, a_strideq add b_strideq, b_strideq %endif ; ARCH %if cpuflag(avx2) SPLATW m8, [offsetq+2] SPLATW m9, [offsetq+4] SPLATW m10, [offsetq+0] SPLATW m11, [offsetq+6] SPLATW m12, [offsetq+8] %else movq m10, [offsetq+0] movd m12, [offsetq+6] SPLATW m8, xm10, 1 SPLATW m9, xm10, 2 SPLATW m10, xm10, 0 SPLATW m11, xm12, 0 SPLATW m12, xm12, 1 %endif pxor m0, m0 %if ARCH_X86_64 mova m13, [pw_m1] mova m14, [pw_1] mova m15, [pw_2] %else mov heightd, r6m mova [rsp+mmsize*0], m8 mova [rsp+mmsize*1], m9 mova [rsp+mmsize*2], m10 mova [rsp+mmsize*3], m11 mova [rsp+mmsize*4], m12 %endif align 16 .loop: %assign i 0 %rep %3 mova m1, [srcq + i] movu m2, [srcq+a_strideq + i] movu m3, [srcq+b_strideq + i] PMINUW m4, m1, m2, m6 PMINUW m5, m1, m3, m7 pcmpeqw m2, m4 pcmpeqw m3, m5 pcmpeqw m4, m1 pcmpeqw m5, m1 psubw m4, m2 psubw m5, m3 paddw m4, m5 pcmpeqw m2, m4, [pw_m2] %if ARCH_X86_64 pcmpeqw m3, m4, m13 pcmpeqw m5, m4, m0 pcmpeqw m6, m4, m14 pcmpeqw m7, m4, m15 pand m2, m8 pand m3, m9 pand m5, m10 pand m6, m11 pand m7, m12 %else pcmpeqw m3, m4, [pw_m1] pcmpeqw m5, m4, m0 pcmpeqw m6, m4, [pw_1] pcmpeqw m7, m4, [pw_2] pand m2, [rsp+mmsize*0] pand m3, [rsp+mmsize*1] pand m5, [rsp+mmsize*2] pand m6, [rsp+mmsize*3] pand m7, [rsp+mmsize*4] %endif paddw m2, m3 paddw m5, m6 paddw m2, m7 paddw m2, m1 paddw m2, m5 CLIPW m2, m0, [pw_mask %+ %1] mova [dstq + i], m2 %assign i i+mmsize %endrep add dstq, dststrideq add srcq, EDGE_SRCSTRIDE dec heightd jg .loop RET %endmacro INIT_XMM sse2 HEVC_SAO_EDGE_FILTER 10, 8, 1 HEVC_SAO_EDGE_FILTER 10, 16, 2 HEVC_SAO_EDGE_FILTER 10, 32, 4 HEVC_SAO_EDGE_FILTER 10, 48, 6 HEVC_SAO_EDGE_FILTER 10, 64, 8 HEVC_SAO_EDGE_FILTER 12, 8, 1 HEVC_SAO_EDGE_FILTER 12, 16, 2 HEVC_SAO_EDGE_FILTER 12, 32, 4 HEVC_SAO_EDGE_FILTER 12, 48, 6 HEVC_SAO_EDGE_FILTER 12, 64, 8 %if HAVE_AVX2_EXTERNAL INIT_YMM avx2 HEVC_SAO_EDGE_FILTER 10, 32, 2 HEVC_SAO_EDGE_FILTER 10, 48, 3 HEVC_SAO_EDGE_FILTER 10, 64, 4 HEVC_SAO_EDGE_FILTER 12, 32, 2 HEVC_SAO_EDGE_FILTER 12, 48, 3 HEVC_SAO_EDGE_FILTER 12, 64, 4 %endif