mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
b3bbbb14d0
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
341 lines
9.5 KiB
NASM
341 lines
9.5 KiB
NASM
;******************************************************************************
|
|
;* SIMD optimized SAO functions for HEVC 8bit 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
|
|
|
|
pb_edge_shuffle: times 2 db 1, 2, 0, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
|
|
pb_eo: db -1, 0, 1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, -1, -1, 1
|
|
cextern pb_1
|
|
cextern pb_2
|
|
|
|
SECTION .text
|
|
|
|
;******************************************************************************
|
|
;SAO Band Filter
|
|
;******************************************************************************
|
|
|
|
%macro HEVC_SAO_BAND_FILTER_INIT 0
|
|
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
|
|
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
|
|
pxor m0, m0
|
|
%assign MMSIZE mmsize
|
|
%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
|
|
|
|
%macro HEVC_SAO_BAND_FILTER_COMPUTE 2
|
|
psraw %1, %2, 3
|
|
%if ARCH_X86_64
|
|
pcmpeqw m10, %1, m0
|
|
pcmpeqw m11, %1, m1
|
|
pcmpeqw m12, %1, m2
|
|
pcmpeqw %1, m3
|
|
pand m10, m4
|
|
pand m11, m5
|
|
pand m12, m6
|
|
pand %1, m7
|
|
por m10, m11
|
|
por m12, %1
|
|
por m10, m12
|
|
paddw %2, m10
|
|
%else ; ARCH_X86_32
|
|
pcmpeqw m4, %1, [rsp+MMSIZE*0]
|
|
pcmpeqw m5, %1, [rsp+MMSIZE*1]
|
|
pcmpeqw m6, %1, [rsp+MMSIZE*2]
|
|
pcmpeqw %1, [rsp+MMSIZE*3]
|
|
pand m4, [rsp+MMSIZE*4]
|
|
pand m5, [rsp+MMSIZE*5]
|
|
pand m6, [rsp+MMSIZE*6]
|
|
pand %1, m7
|
|
por m4, m5
|
|
por m6, %1
|
|
por m4, m6
|
|
paddw %2, m4
|
|
%endif ; ARCH
|
|
%endmacro
|
|
|
|
;void ff_hevc_sao_band_filter_<width>_8_<opt>(uint8_t *_dst, const 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 2
|
|
cglobal hevc_sao_band_filter_%1_8, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, dststride, srcstride, offset, left
|
|
HEVC_SAO_BAND_FILTER_INIT
|
|
|
|
align 16
|
|
.loop:
|
|
%if %1 == 8
|
|
movq m8, [srcq]
|
|
punpcklbw m8, m14
|
|
HEVC_SAO_BAND_FILTER_COMPUTE m9, m8
|
|
packuswb m8, m14
|
|
movq [dstq], m8
|
|
%endif ; %1 == 8
|
|
|
|
%assign i 0
|
|
%rep %2
|
|
mova m13, [srcq + i]
|
|
punpcklbw m8, m13, m14
|
|
HEVC_SAO_BAND_FILTER_COMPUTE m9, m8
|
|
punpckhbw m13, m14
|
|
HEVC_SAO_BAND_FILTER_COMPUTE m9, m13
|
|
packuswb m8, m13
|
|
mova [dstq + i], m8
|
|
%assign i i+mmsize
|
|
%endrep
|
|
|
|
%if %1 == 48
|
|
INIT_XMM cpuname
|
|
|
|
mova m13, [srcq + i]
|
|
punpcklbw m8, m13, m14
|
|
HEVC_SAO_BAND_FILTER_COMPUTE m9, m8
|
|
punpckhbw m13, m14
|
|
HEVC_SAO_BAND_FILTER_COMPUTE m9, m13
|
|
packuswb m8, m13
|
|
mova [dstq + i], m8
|
|
%if cpuflag(avx2)
|
|
INIT_YMM cpuname
|
|
%endif
|
|
%endif ; %1 == 48
|
|
|
|
add dstq, dststrideq ; dst += dststride
|
|
add srcq, srcstrideq ; src += srcstride
|
|
dec heightd ; cmp height
|
|
jnz .loop ; height loop
|
|
REP_RET
|
|
%endmacro
|
|
|
|
|
|
%macro HEVC_SAO_BAND_FILTER_FUNCS 0
|
|
HEVC_SAO_BAND_FILTER 8, 0
|
|
HEVC_SAO_BAND_FILTER 16, 1
|
|
HEVC_SAO_BAND_FILTER 32, 2
|
|
HEVC_SAO_BAND_FILTER 48, 2
|
|
HEVC_SAO_BAND_FILTER 64, 4
|
|
%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 8, 0
|
|
HEVC_SAO_BAND_FILTER 16, 1
|
|
INIT_YMM avx2
|
|
HEVC_SAO_BAND_FILTER 32, 1
|
|
HEVC_SAO_BAND_FILTER 48, 1
|
|
HEVC_SAO_BAND_FILTER 64, 2
|
|
%endif
|
|
|
|
;******************************************************************************
|
|
;SAO Edge Filter
|
|
;******************************************************************************
|
|
|
|
%define MAX_PB_SIZE 64
|
|
%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
|
|
%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
|
|
|
|
%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
|
|
imul b_strideq, EDGE_SRCSTRIDE
|
|
movsx tmpq, byte [tmp2q+eoq*4]
|
|
add a_strideq, tmpq
|
|
movsx tmpq, byte [tmp2q+eoq*4+2]
|
|
add b_strideq, tmpq
|
|
%endmacro
|
|
|
|
%macro HEVC_SAO_EDGE_FILTER_COMPUTE 1
|
|
pminub m4, m1, m2
|
|
pminub m5, m1, m3
|
|
pcmpeqb m2, m4
|
|
pcmpeqb m3, m5
|
|
pcmpeqb m4, m1
|
|
pcmpeqb m5, m1
|
|
psubb m4, m2
|
|
psubb m5, m3
|
|
paddb m4, m6
|
|
paddb m4, m5
|
|
|
|
pshufb m2, m0, m4
|
|
%if %1 > 8
|
|
punpckhbw m5, m7, m1
|
|
punpckhbw m4, m2, m7
|
|
punpcklbw m3, m7, m1
|
|
punpcklbw m2, m7
|
|
pmaddubsw m5, m4
|
|
pmaddubsw m3, m2
|
|
packuswb m3, m5
|
|
%else
|
|
punpcklbw m3, m7, m1
|
|
punpcklbw m2, m7
|
|
pmaddubsw m3, m2
|
|
packuswb m3, m3
|
|
%endif
|
|
%endmacro
|
|
|
|
;void ff_hevc_sao_edge_filter_<width>_8_<opt>(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 2-3
|
|
%if ARCH_X86_64
|
|
cglobal hevc_sao_edge_filter_%1_8, 4, 9, 8, dst, src, dststride, offset, eo, a_stride, b_stride, height, tmp
|
|
%define tmp2q heightq
|
|
HEVC_SAO_EDGE_FILTER_INIT
|
|
mov heightd, r6m
|
|
|
|
%else ; ARCH_X86_32
|
|
cglobal hevc_sao_edge_filter_%1_8, 1, 6, 8, dst, src, dststride, a_stride, b_stride, height
|
|
%define eoq srcq
|
|
%define tmpq heightq
|
|
%define tmp2q dststrideq
|
|
%define offsetq heightq
|
|
HEVC_SAO_EDGE_FILTER_INIT
|
|
mov srcq, srcm
|
|
mov offsetq, r3m
|
|
mov dststrideq, dststridem
|
|
%endif ; ARCH
|
|
|
|
%if mmsize > 16
|
|
vbroadcasti128 m0, [offsetq]
|
|
%else
|
|
movu m0, [offsetq]
|
|
%endif
|
|
mova m1, [pb_edge_shuffle]
|
|
packsswb m0, m0
|
|
mova m7, [pb_1]
|
|
pshufb m0, m1
|
|
mova m6, [pb_2]
|
|
%if ARCH_X86_32
|
|
mov heightd, r6m
|
|
%endif
|
|
|
|
align 16
|
|
.loop:
|
|
|
|
%if %1 == 8
|
|
movq m1, [srcq]
|
|
movq m2, [srcq + a_strideq]
|
|
movq m3, [srcq + b_strideq]
|
|
HEVC_SAO_EDGE_FILTER_COMPUTE %1
|
|
movq [dstq], m3
|
|
%endif
|
|
|
|
%assign i 0
|
|
%rep %2
|
|
mova m1, [srcq + i]
|
|
movu m2, [srcq + a_strideq + i]
|
|
movu m3, [srcq + b_strideq + i]
|
|
HEVC_SAO_EDGE_FILTER_COMPUTE %1
|
|
mov%3 [dstq + i], m3
|
|
%assign i i+mmsize
|
|
%endrep
|
|
|
|
%if %1 == 48
|
|
INIT_XMM cpuname
|
|
|
|
mova m1, [srcq + i]
|
|
movu m2, [srcq + a_strideq + i]
|
|
movu m3, [srcq + b_strideq + i]
|
|
HEVC_SAO_EDGE_FILTER_COMPUTE %1
|
|
mova [dstq + i], m3
|
|
%if cpuflag(avx2)
|
|
INIT_YMM cpuname
|
|
%endif
|
|
%endif
|
|
|
|
add dstq, dststrideq
|
|
add srcq, EDGE_SRCSTRIDE
|
|
dec heightd
|
|
jg .loop
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_XMM ssse3
|
|
HEVC_SAO_EDGE_FILTER 8, 0
|
|
HEVC_SAO_EDGE_FILTER 16, 1, a
|
|
HEVC_SAO_EDGE_FILTER 32, 2, a
|
|
HEVC_SAO_EDGE_FILTER 48, 2, a
|
|
HEVC_SAO_EDGE_FILTER 64, 4, a
|
|
|
|
%if HAVE_AVX2_EXTERNAL
|
|
INIT_YMM avx2
|
|
HEVC_SAO_EDGE_FILTER 32, 1, a
|
|
HEVC_SAO_EDGE_FILTER 48, 1, u
|
|
HEVC_SAO_EDGE_FILTER 64, 2, a
|
|
%endif
|