mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
120 lines
3.2 KiB
ArmAsm
120 lines
3.2 KiB
ArmAsm
/*
|
|
* Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
|
|
*
|
|
* 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/riscv/asm.S"
|
|
|
|
.macro avgdc size
|
|
vwredsumu.vs v16, v8, v16
|
|
vsetivli zero, 1, e16, m1, ta, ma
|
|
vmv.x.s t1, v16
|
|
addi t1, t1, 1 << (\size - 1)
|
|
srai t1, t1, \size
|
|
.endm
|
|
|
|
.macro getdc type size
|
|
.ifc \type,top
|
|
vmv.v.x v16, zero
|
|
vle8.v v8, (a3)
|
|
avgdc \size
|
|
.else
|
|
.ifc \type,left
|
|
vmv.v.x v16, zero
|
|
vle8.v v8, (a2)
|
|
avgdc \size
|
|
.else
|
|
.ifc \type,dc
|
|
vmv.v.x v16, zero
|
|
vle8.v v8, (a2)
|
|
vwredsumu.vs v16, v8, v16
|
|
vle8.v v8, (a3)
|
|
avgdc \size
|
|
.else
|
|
li t1, \type
|
|
.endif
|
|
.endif
|
|
.endif
|
|
.endm
|
|
|
|
.macro dc_e32 type size n restore
|
|
.ifc \size,32
|
|
li t0, 32
|
|
vsetvli zero, t0, e8, m2, ta, ma
|
|
.else
|
|
vsetivli zero, 16, e8, m1, ta, ma
|
|
.endif
|
|
getdc \type \n
|
|
|
|
.if \restore == 1 && \size == 32
|
|
vsetvli zero, t0, e8, m2, ta, ma
|
|
.elseif \restore == 1 && \size == 16
|
|
vsetivli zero, 16, e8, m1, ta, ma
|
|
.endif
|
|
vmv.v.x v0, t1
|
|
|
|
.rept \size
|
|
vse8.v v0, (a0)
|
|
add a0, a0, a1
|
|
.endr
|
|
|
|
ret
|
|
.endm
|
|
|
|
.macro dc_e64 type size n restore
|
|
vsetivli zero, 8, e8, mf2, ta, ma
|
|
getdc \type \n
|
|
|
|
li t0, 64
|
|
vsetvli zero, t0, e8, m4, ta, ma
|
|
vmv.v.x v0, t1
|
|
vsetivli zero, 8, e8, mf2, ta, ma
|
|
vsse64.v v0, (a0), a1
|
|
|
|
ret
|
|
.endm
|
|
|
|
.macro func_dc name size type n restore ext
|
|
func ff_\()\name\()_\()\size\()x\size\()_rvv, \ext
|
|
.if \size == 8
|
|
dc_e64 \type \size \n \restore
|
|
.else
|
|
dc_e32 \type \size \n \restore
|
|
.endif
|
|
endfunc
|
|
.endm
|
|
|
|
func_dc dc_127 32 127 0 0 zve32x
|
|
func_dc dc_127 16 127 0 0 zve32x
|
|
func_dc dc_127 8 127 0 0 zve64x
|
|
func_dc dc_128 32 128 0 0 zve32x
|
|
func_dc dc_128 16 128 0 0 zve32x
|
|
func_dc dc_128 8 128 0 0 zve64x
|
|
func_dc dc_129 32 129 0 0 zve32x
|
|
func_dc dc_129 16 129 0 0 zve32x
|
|
func_dc dc_129 8 129 0 0 zve64x
|
|
func_dc dc 32 dc 6 1 zve32x
|
|
func_dc dc 16 dc 5 1 zve32x
|
|
func_dc dc 8 dc 4 0 zve64x
|
|
func_dc dc_left 32 left 5 1 zve32x
|
|
func_dc dc_left 16 left 4 1 zve32x
|
|
func_dc dc_left 8 left 3 0 zve64x
|
|
func_dc dc_top 32 top 5 1 zve32x
|
|
func_dc dc_top 16 top 4 1 zve32x
|
|
func_dc dc_top 8 top 3 0 zve64x
|