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/*
* Copyright (c) 2009 Mans Rullgard <[email protected]>
*
* 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/arm/asm.S"
.macro ldcol.8 rd, rs, rt, n=8, hi=0
.if \n == 8 || \hi == 0
vld1.8 {\rd[0]}, [\rs], \rt
vld1.8 {\rd[1]}, [\rs], \rt
vld1.8 {\rd[2]}, [\rs], \rt
vld1.8 {\rd[3]}, [\rs], \rt
.endif
.if \n == 8 || \hi == 1
vld1.8 {\rd[4]}, [\rs], \rt
vld1.8 {\rd[5]}, [\rs], \rt
vld1.8 {\rd[6]}, [\rs], \rt
vld1.8 {\rd[7]}, [\rs], \rt
.endif
.endm
.macro add16x8 dq, dl, dh, rl, rh
vaddl.u8 \dq, \rl, \rh
vadd.u16 \dl, \dl, \dh
vpadd.u16 \dl, \dl, \dl
vpadd.u16 \dl, \dl, \dl
.endm
function ff_pred16x16_128_dc_neon, export=1
vmov.i8 q0, #128
b .L_pred16x16_dc_end
endfunc
function ff_pred16x16_top_dc_neon, export=1
sub r2, r0, r1
vld1.8 {q0}, [r2,:128]
add16x8 q0, d0, d1, d0, d1
vrshrn.u16 d0, q0, #4
vdup.8 q0, d0[0]
b .L_pred16x16_dc_end
endfunc
function ff_pred16x16_left_dc_neon, export=1
sub r2, r0, #1
ldcol.8 d0, r2, r1
ldcol.8 d1, r2, r1
add16x8 q0, d0, d1, d0, d1
vrshrn.u16 d0, q0, #4
vdup.8 q0, d0[0]
b .L_pred16x16_dc_end
endfunc
function ff_pred16x16_dc_neon, export=1
sub r2, r0, r1
vld1.8 {q0}, [r2,:128]
sub r2, r0, #1
ldcol.8 d2, r2, r1
ldcol.8 d3, r2, r1
vaddl.u8 q0, d0, d1
vaddl.u8 q1, d2, d3
vadd.u16 q0, q0, q1
vadd.u16 d0, d0, d1
vpadd.u16 d0, d0, d0
vpadd.u16 d0, d0, d0
vrshrn.u16 d0, q0, #5
vdup.8 q0, d0[0]
.L_pred16x16_dc_end:
mov r3, #8
6: vst1.8 {q0}, [r0,:128], r1
vst1.8 {q0}, [r0,:128], r1
subs r3, r3, #1
bne 6b
bx lr
endfunc
function ff_pred16x16_hor_neon, export=1
sub r2, r0, #1
mov r3, #16
1: vld1.8 {d0[],d1[]},[r2], r1
vst1.8 {q0}, [r0,:128], r1
subs r3, r3, #1
bne 1b
bx lr
endfunc
function ff_pred16x16_vert_neon, export=1
sub r0, r0, r1
vld1.8 {q0}, [r0,:128], r1
mov r3, #8
1: vst1.8 {q0}, [r0,:128], r1
vst1.8 {q0}, [r0,:128], r1
subs r3, r3, #1
bne 1b
bx lr
endfunc
function ff_pred16x16_plane_neon, export=1
sub r3, r0, r1
add r2, r3, #8
sub r3, r3, #1
vld1.8 {d0}, [r3]
vld1.8 {d2}, [r2,:64], r1
ldcol.8 d1, r3, r1
add r3, r3, r1
ldcol.8 d3, r3, r1
vrev64.8 q0, q0
vaddl.u8 q8, d2, d3
vsubl.u8 q2, d2, d0
vsubl.u8 q3, d3, d1
movrel r3, p16weight
vld1.8 {q0}, [r3,:128]
vmul.s16 q2, q2, q0
vmul.s16 q3, q3, q0
vadd.i16 d4, d4, d5
vadd.i16 d5, d6, d7
vpadd.i16 d4, d4, d5
vpadd.i16 d4, d4, d4
vshll.s16 q3, d4, #2
vaddw.s16 q2, q3, d4
vrshrn.s32 d4, q2, #6
mov r3, #0
vtrn.16 d4, d5
vadd.i16 d2, d4, d5
vshl.i16 d3, d2, #3
vrev64.16 d16, d17
vsub.i16 d3, d3, d2
vadd.i16 d16, d16, d0
vshl.i16 d2, d16, #4
vsub.i16 d2, d2, d3
vshl.i16 d3, d4, #4
vext.16 q0, q0, q0, #7
vsub.i16 d6, d5, d3
vmov.16 d0[0], r3
vmul.i16 q0, q0, d4[0]
vdup.16 q1, d2[0]
vdup.16 q2, d4[0]
vdup.16 q3, d6[0]
vshl.i16 q2, q2, #3
vadd.i16 q1, q1, q0
vadd.i16 q3, q3, q2
mov r3, #16
1:
vqshrun.s16 d0, q1, #5
vadd.i16 q1, q1, q2
vqshrun.s16 d1, q1, #5
vadd.i16 q1, q1, q3
vst1.8 {q0}, [r0,:128], r1
subs r3, r3, #1
bne 1b
bx lr
endfunc
const p16weight, align=4
.short 1,2,3,4,5,6,7,8
endconst
function ff_pred8x8_hor_neon, export=1
sub r2, r0, #1
mov r3, #8
1: vld1.8 {d0[]}, [r2], r1
vst1.8 {d0}, [r0,:64], r1
subs r3, r3, #1
bne 1b
bx lr
endfunc
function ff_pred8x8_vert_neon, export=1
sub r0, r0, r1
vld1.8 {d0}, [r0,:64], r1
mov r3, #4
1: vst1.8 {d0}, [r0,:64], r1
vst1.8 {d0}, [r0,:64], r1
subs r3, r3, #1
bne 1b
bx lr
endfunc
function ff_pred8x8_plane_neon, export=1
sub r3, r0, r1
add r2, r3, #4
sub r3, r3, #1
vld1.32 {d0[0]}, [r3]
vld1.32 {d2[0]}, [r2,:32], r1
ldcol.8 d0, r3, r1, 4, hi=1
add r3, r3, r1
ldcol.8 d3, r3, r1, 4
vaddl.u8 q8, d2, d3
vrev32.8 d0, d0
vtrn.32 d2, d3
vsubl.u8 q2, d2, d0
movrel r3, p16weight
vld1.16 {q0}, [r3,:128]
vmul.s16 d4, d4, d0
vmul.s16 d5, d5, d0
vpadd.i16 d4, d4, d5
vpaddl.s16 d4, d4
vshl.i32 d5, d4, #4
vadd.s32 d4, d4, d5
vrshrn.s32 d4, q2, #5
mov r3, #0
vtrn.16 d4, d5
vadd.i16 d2, d4, d5
vshl.i16 d3, d2, #2
vrev64.16 d16, d16
vsub.i16 d3, d3, d2
vadd.i16 d16, d16, d0
vshl.i16 d2, d16, #4
vsub.i16 d2, d2, d3
vshl.i16 d3, d4, #3
vext.16 q0, q0, q0, #7
vsub.i16 d6, d5, d3
vmov.16 d0[0], r3
vmul.i16 q0, q0, d4[0]
vdup.16 q1, d2[0]
vdup.16 q2, d4[0]
vdup.16 q3, d6[0]
vshl.i16 q2, q2, #3
vadd.i16 q1, q1, q0
vadd.i16 q3, q3, q2
mov r3, #8
1:
vqshrun.s16 d0, q1, #5
vadd.i16 q1, q1, q3
vst1.8 {d0}, [r0,:64], r1
subs r3, r3, #1
bne 1b
bx lr
endfunc
function ff_pred8x8_128_dc_neon, export=1
vmov.i8 q0, #128
b .L_pred8x8_dc_end
endfunc
function ff_pred8x8_top_dc_neon, export=1
sub r2, r0, r1
vld1.8 {d0}, [r2,:64]
vpaddl.u8 d0, d0
vpadd.u16 d0, d0, d0
vrshrn.u16 d0, q0, #2
vdup.8 d1, d0[1]
vdup.8 d0, d0[0]
vtrn.32 d0, d1
b .L_pred8x8_dc_end
endfunc
function ff_pred8x8_left_dc_neon, export=1
sub r2, r0, #1
ldcol.8 d0, r2, r1
vpaddl.u8 d0, d0
vpadd.u16 d0, d0, d0
vrshrn.u16 d0, q0, #2
vdup.8 d1, d0[1]
vdup.8 d0, d0[0]
b .L_pred8x8_dc_end
endfunc
function ff_pred8x8_dc_neon, export=1
sub r2, r0, r1
vld1.8 {d0}, [r2,:64]
sub r2, r0, #1
ldcol.8 d1, r2, r1
vtrn.32 d0, d1
vpaddl.u8 q0, q0
vpadd.u16 d0, d0, d1
vpadd.u16 d1, d0, d0
vrshrn.u16 d2, q0, #3
vrshrn.u16 d3, q0, #2
vdup.8 d0, d2[4]
vdup.8 d1, d3[3]
vdup.8 d4, d3[2]
vdup.8 d5, d2[5]
vtrn.32 q0, q2
.L_pred8x8_dc_end:
mov r3, #4
add r2, r0, r1, lsl #2
6: vst1.8 {d0}, [r0,:64], r1
vst1.8 {d1}, [r2,:64], r1
subs r3, r3, #1
bne 6b
bx lr
endfunc
function ff_pred8x8_l0t_dc_neon, export=1
sub r2, r0, r1
vld1.8 {d0}, [r2,:64]
sub r2, r0, #1
ldcol.8 d1, r2, r1, 4
vtrn.32 d0, d1
vpaddl.u8 q0, q0
vpadd.u16 d0, d0, d1
vpadd.u16 d1, d0, d0
vrshrn.u16 d2, q0, #3
vrshrn.u16 d3, q0, #2
vdup.8 d0, d2[4]
vdup.8 d1, d3[0]
vdup.8 q2, d3[2]
vtrn.32 q0, q2
b .L_pred8x8_dc_end
endfunc
function ff_pred8x8_l00_dc_neon, export=1
sub r2, r0, #1
ldcol.8 d0, r2, r1, 4
vpaddl.u8 d0, d0
vpadd.u16 d0, d0, d0
vrshrn.u16 d0, q0, #2
vmov.i8 d1, #128
vdup.8 d0, d0[0]
b .L_pred8x8_dc_end
endfunc
function ff_pred8x8_0lt_dc_neon, export=1
sub r2, r0, r1
vld1.8 {d0}, [r2,:64]
add r2, r0, r1, lsl #2
sub r2, r2, #1
ldcol.8 d1, r2, r1, 4, hi=1
vtrn.32 d0, d1
vpaddl.u8 q0, q0
vpadd.u16 d0, d0, d1
vpadd.u16 d1, d0, d0
vrshrn.u16 d3, q0, #2
vrshrn.u16 d2, q0, #3
vdup.8 d0, d3[0]
vdup.8 d1, d3[3]
vdup.8 d4, d3[2]
vdup.8 d5, d2[5]
vtrn.32 q0, q2
b .L_pred8x8_dc_end
endfunc
function ff_pred8x8_0l0_dc_neon, export=1
add r2, r0, r1, lsl #2
sub r2, r2, #1
ldcol.8 d1, r2, r1, 4
vpaddl.u8 d2, d1
vpadd.u16 d2, d2, d2
vrshrn.u16 d1, q1, #2
vmov.i8 d0, #128
vdup.8 d1, d1[0]
b .L_pred8x8_dc_end
endfunc
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