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|
;******************************************************************************
;* SIMD optimized SAO functions for HEVC 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_mask10: times 16 dw 0x03FF
pw_mask12: times 16 dw 0x0FFF
pb_2: times 32 db 2
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
SECTION_TEXT
%define MAX_PB_SIZE 64
%define PADDING_SIZE 32 ; FF_INPUT_BUFFER_PADDING_SIZE
;******************************************************************************
;SAO Band Filter
;******************************************************************************
%if ARCH_X86_64
%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 %1 > 8
mova m13, [pw_mask %+ %1]
%endif
pxor m14, m14
DEFINE_ARGS dst, src, dststride, srcstride, offset, height
mov heightd, r7m
%endmacro
%macro HEVC_SAO_BAND_FILTER_COMPUTE 3
psraw %2, %3, %1-5
pcmpeqw m10, %2, m0
pcmpeqw m11, %2, m1
pcmpeqw m12, %2, m2
pcmpeqw %2, m3
pand m10, m4
pand m11, m5
pand m12, m6
pand %2, m7
por m10, m11
por m12, %2
por m10, m12
paddw %3, m10
%endmacro
;void ff_hevc_sao_band_filter_<width>_8_<opt>(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_8 2
cglobal hevc_sao_band_filter_%1_8, 6, 6, 15, dst, src, dststride, srcstride, offset, left
HEVC_SAO_BAND_FILTER_INIT 8
align 16
.loop
%if %1 == 8
movq m8, [srcq]
punpcklbw m8, m14
HEVC_SAO_BAND_FILTER_COMPUTE 8, 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 8, m9, m8
punpckhbw m13, m14
HEVC_SAO_BAND_FILTER_COMPUTE 8, 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 8, m9, m8
punpckhbw m13, m14
HEVC_SAO_BAND_FILTER_COMPUTE 8, 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
;void ff_hevc_sao_band_filter_<width>_<depth>_<opt>(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_16 3
cglobal hevc_sao_band_filter_%2_%1, 6, 6, 15, dst, src, dststride, srcstride, offset, left
HEVC_SAO_BAND_FILTER_INIT %1
align 16
.loop
%if %2 == 8
mova m8, [srcq]
HEVC_SAO_BAND_FILTER_COMPUTE %1, m9, m8
CLIPW m8, m14, m13
mova [dstq], m8
%endif
%assign i 0
%rep %3
mova m8, [srcq + i]
HEVC_SAO_BAND_FILTER_COMPUTE %1, m9, m8
CLIPW m8, m14, m13
mova [dstq + i], m8
mova m9, [srcq + i + mmsize]
HEVC_SAO_BAND_FILTER_COMPUTE %1, m8, m9
CLIPW m9, m14, m13
mova [dstq + i + mmsize], m9
%assign i i+mmsize*2
%endrep
%if %2 == 48
INIT_XMM cpuname
mova m8, [srcq + i]
HEVC_SAO_BAND_FILTER_COMPUTE %1, m9, m8
CLIPW m8, m14, m13
mova [dstq + i], m8
mova m9, [srcq + i + mmsize]
HEVC_SAO_BAND_FILTER_COMPUTE %1, m8, m9
CLIPW m9, m14, m13
mova [dstq + i + mmsize], m9
%if cpuflag(avx2)
INIT_YMM cpuname
%endif
%endif ; %1 == 48
add dstq, dststrideq
add srcq, srcstrideq
dec heightd
jg .loop
REP_RET
%endmacro
%macro HEVC_SAO_BAND_FILTER_FUNCS 0
HEVC_SAO_BAND_FILTER_8 8, 0
HEVC_SAO_BAND_FILTER_8 16, 1
HEVC_SAO_BAND_FILTER_8 32, 2
HEVC_SAO_BAND_FILTER_8 48, 2
HEVC_SAO_BAND_FILTER_8 64, 4
HEVC_SAO_BAND_FILTER_16 10, 8, 0
HEVC_SAO_BAND_FILTER_16 10, 16, 1
HEVC_SAO_BAND_FILTER_16 10, 32, 2
HEVC_SAO_BAND_FILTER_16 10, 48, 2
HEVC_SAO_BAND_FILTER_16 10, 64, 4
HEVC_SAO_BAND_FILTER_16 12, 8, 0
HEVC_SAO_BAND_FILTER_16 12, 16, 1
HEVC_SAO_BAND_FILTER_16 12, 32, 2
HEVC_SAO_BAND_FILTER_16 12, 48, 2
HEVC_SAO_BAND_FILTER_16 12, 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 8, 0
HEVC_SAO_BAND_FILTER_8 16, 1
INIT_YMM avx2
HEVC_SAO_BAND_FILTER_8 32, 1
HEVC_SAO_BAND_FILTER_8 48, 1
HEVC_SAO_BAND_FILTER_8 64, 2
INIT_XMM avx2
HEVC_SAO_BAND_FILTER_16 10, 8, 0
HEVC_SAO_BAND_FILTER_16 10, 16, 1
INIT_YMM avx2
HEVC_SAO_BAND_FILTER_16 10, 32, 1
HEVC_SAO_BAND_FILTER_16 10, 48, 1
HEVC_SAO_BAND_FILTER_16 10, 64, 2
INIT_XMM avx2
HEVC_SAO_BAND_FILTER_16 12, 8, 0
HEVC_SAO_BAND_FILTER_16 12, 16, 1
INIT_YMM avx2
HEVC_SAO_BAND_FILTER_16 12, 32, 1
HEVC_SAO_BAND_FILTER_16 12, 48, 1
HEVC_SAO_BAND_FILTER_16 12, 64, 2
%endif
%endif
;******************************************************************************
;SAO Edge Filter
;******************************************************************************
%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
%macro HEVC_SAO_EDGE_FILTER_COMPUTE_8 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_8 2-3
%if WIN64
cglobal hevc_sao_edge_filter_%1_8, 4, 8, 8, dst, src, dststride, offset, a_stride, b_stride, height, tmp
%define eoq heightq
movsxd eoq, dword r4m
movsx a_strideq, byte [pb_eo+eoq*4+1]
movsx b_strideq, byte [pb_eo+eoq*4+3]
imul a_strideq, EDGE_SRCSTRIDE
imul b_strideq, EDGE_SRCSTRIDE
movsx tmpq, byte [pb_eo+eoq*4]
add a_strideq, tmpq
movsx tmpq, byte [pb_eo+eoq*4+2]
add b_strideq, tmpq
mov heightd, r6m
%elif ARCH_X86_64
cglobal hevc_sao_edge_filter_%1_8, 5, 9, 8, dst, src, dststride, offset, eo, a_stride, b_stride, height, tmp
%define tmp2q heightq
movsxd eoq, eod
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
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
mov eoq, r4m
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
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_8 %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_8 %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_8 %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 8, 0
HEVC_SAO_EDGE_FILTER_8 16, 1, a
HEVC_SAO_EDGE_FILTER_8 32, 2, a
HEVC_SAO_EDGE_FILTER_8 48, 2, a
HEVC_SAO_EDGE_FILTER_8 64, 4, a
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
HEVC_SAO_EDGE_FILTER_8 32, 1, a
HEVC_SAO_EDGE_FILTER_8 48, 1, u
HEVC_SAO_EDGE_FILTER_8 64, 2, a
%endif
|
