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/*
* ARM NEON optimised DSP functions
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; 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 pixels16 rnd=1, avg=0
.if \avg
mov r12, r0
.endif
1: vld1.8 {q0}, [r1], r2
vld1.8 {q1}, [r1], r2
vld1.8 {q2}, [r1], r2
pld [r1, r2, lsl #2]
vld1.8 {q3}, [r1], r2
pld [r1]
pld [r1, r2]
pld [r1, r2, lsl #1]
.if \avg
vld1.8 {q8}, [r12,:128], r2
vrhadd.u8 q0, q0, q8
vld1.8 {q9}, [r12,:128], r2
vrhadd.u8 q1, q1, q9
vld1.8 {q10}, [r12,:128], r2
vrhadd.u8 q2, q2, q10
vld1.8 {q11}, [r12,:128], r2
vrhadd.u8 q3, q3, q11
.endif
subs r3, r3, #4
vst1.64 {q0}, [r0,:128], r2
vst1.64 {q1}, [r0,:128], r2
vst1.64 {q2}, [r0,:128], r2
vst1.64 {q3}, [r0,:128], r2
bne 1b
bx lr
.endm
.macro pixels16_x2 rnd=1, avg=0
1: vld1.8 {d0-d2}, [r1], r2
vld1.8 {d4-d6}, [r1], r2
pld [r1]
pld [r1, r2]
subs r3, r3, #2
vext.8 q1, q0, q1, #1
avg q0, q0, q1
vext.8 q3, q2, q3, #1
avg q2, q2, q3
.if \avg
vld1.8 {q1}, [r0,:128], r2
vld1.8 {q3}, [r0,:128]
vrhadd.u8 q0, q0, q1
vrhadd.u8 q2, q2, q3
sub r0, r0, r2
.endif
vst1.8 {q0}, [r0,:128], r2
vst1.8 {q2}, [r0,:128], r2
bne 1b
bx lr
.endm
.macro pixels16_y2 rnd=1, avg=0
sub r3, r3, #2
vld1.8 {q0}, [r1], r2
vld1.8 {q1}, [r1], r2
1: subs r3, r3, #2
avg q2, q0, q1
vld1.8 {q0}, [r1], r2
avg q3, q0, q1
vld1.8 {q1}, [r1], r2
pld [r1]
pld [r1, r2]
.if \avg
vld1.8 {q8}, [r0,:128], r2
vld1.8 {q9}, [r0,:128]
vrhadd.u8 q2, q2, q8
vrhadd.u8 q3, q3, q9
sub r0, r0, r2
.endif
vst1.8 {q2}, [r0,:128], r2
vst1.8 {q3}, [r0,:128], r2
bne 1b
avg q2, q0, q1
vld1.8 {q0}, [r1], r2
avg q3, q0, q1
.if \avg
vld1.8 {q8}, [r0,:128], r2
vld1.8 {q9}, [r0,:128]
vrhadd.u8 q2, q2, q8
vrhadd.u8 q3, q3, q9
sub r0, r0, r2
.endif
vst1.8 {q2}, [r0,:128], r2
vst1.8 {q3}, [r0,:128], r2
bx lr
.endm
.macro pixels16_xy2 rnd=1, avg=0
sub r3, r3, #2
vld1.8 {d0-d2}, [r1], r2
vld1.8 {d4-d6}, [r1], r2
NRND vmov.i16 q13, #1
pld [r1]
pld [r1, r2]
vext.8 q1, q0, q1, #1
vext.8 q3, q2, q3, #1
vaddl.u8 q8, d0, d2
vaddl.u8 q10, d1, d3
vaddl.u8 q9, d4, d6
vaddl.u8 q11, d5, d7
1: subs r3, r3, #2
vld1.8 {d0-d2}, [r1], r2
vadd.u16 q12, q8, q9
pld [r1]
NRND vadd.u16 q12, q12, q13
vext.8 q15, q0, q1, #1
vadd.u16 q1 , q10, q11
shrn d28, q12, #2
NRND vadd.u16 q1, q1, q13
shrn d29, q1, #2
.if \avg
vld1.8 {q8}, [r0,:128]
vrhadd.u8 q14, q14, q8
.endif
vaddl.u8 q8, d0, d30
vld1.8 {d2-d4}, [r1], r2
vaddl.u8 q10, d1, d31
vst1.8 {q14}, [r0,:128], r2
vadd.u16 q12, q8, q9
pld [r1, r2]
NRND vadd.u16 q12, q12, q13
vext.8 q2, q1, q2, #1
vadd.u16 q0, q10, q11
shrn d30, q12, #2
NRND vadd.u16 q0, q0, q13
shrn d31, q0, #2
.if \avg
vld1.8 {q9}, [r0,:128]
vrhadd.u8 q15, q15, q9
.endif
vaddl.u8 q9, d2, d4
vaddl.u8 q11, d3, d5
vst1.8 {q15}, [r0,:128], r2
bgt 1b
vld1.8 {d0-d2}, [r1], r2
vadd.u16 q12, q8, q9
NRND vadd.u16 q12, q12, q13
vext.8 q15, q0, q1, #1
vadd.u16 q1 , q10, q11
shrn d28, q12, #2
NRND vadd.u16 q1, q1, q13
shrn d29, q1, #2
.if \avg
vld1.8 {q8}, [r0,:128]
vrhadd.u8 q14, q14, q8
.endif
vaddl.u8 q8, d0, d30
vaddl.u8 q10, d1, d31
vst1.8 {q14}, [r0,:128], r2
vadd.u16 q12, q8, q9
NRND vadd.u16 q12, q12, q13
vadd.u16 q0, q10, q11
shrn d30, q12, #2
NRND vadd.u16 q0, q0, q13
shrn d31, q0, #2
.if \avg
vld1.8 {q9}, [r0,:128]
vrhadd.u8 q15, q15, q9
.endif
vst1.8 {q15}, [r0,:128], r2
bx lr
.endm
.macro pixels8 rnd=1, avg=0
1: vld1.8 {d0}, [r1], r2
vld1.8 {d1}, [r1], r2
vld1.8 {d2}, [r1], r2
pld [r1, r2, lsl #2]
vld1.8 {d3}, [r1], r2
pld [r1]
pld [r1, r2]
pld [r1, r2, lsl #1]
.if \avg
vld1.8 {d4}, [r0,:64], r2
vrhadd.u8 d0, d0, d4
vld1.8 {d5}, [r0,:64], r2
vrhadd.u8 d1, d1, d5
vld1.8 {d6}, [r0,:64], r2
vrhadd.u8 d2, d2, d6
vld1.8 {d7}, [r0,:64], r2
vrhadd.u8 d3, d3, d7
sub r0, r0, r2, lsl #2
.endif
subs r3, r3, #4
vst1.8 {d0}, [r0,:64], r2
vst1.8 {d1}, [r0,:64], r2
vst1.8 {d2}, [r0,:64], r2
vst1.8 {d3}, [r0,:64], r2
bne 1b
bx lr
.endm
.macro pixels8_x2 rnd=1, avg=0
1: vld1.8 {q0}, [r1], r2
vext.8 d1, d0, d1, #1
vld1.8 {q1}, [r1], r2
vext.8 d3, d2, d3, #1
pld [r1]
pld [r1, r2]
subs r3, r3, #2
vswp d1, d2
avg q0, q0, q1
.if \avg
vld1.8 {d4}, [r0,:64], r2
vld1.8 {d5}, [r0,:64]
vrhadd.u8 q0, q0, q2
sub r0, r0, r2
.endif
vst1.8 {d0}, [r0,:64], r2
vst1.8 {d1}, [r0,:64], r2
bne 1b
bx lr
.endm
.macro pixels8_y2 rnd=1, avg=0
sub r3, r3, #2
vld1.8 {d0}, [r1], r2
vld1.8 {d1}, [r1], r2
1: subs r3, r3, #2
avg d4, d0, d1
vld1.8 {d0}, [r1], r2
avg d5, d0, d1
vld1.8 {d1}, [r1], r2
pld [r1]
pld [r1, r2]
.if \avg
vld1.8 {d2}, [r0,:64], r2
vld1.8 {d3}, [r0,:64]
vrhadd.u8 q2, q2, q1
sub r0, r0, r2
.endif
vst1.8 {d4}, [r0,:64], r2
vst1.8 {d5}, [r0,:64], r2
bne 1b
avg d4, d0, d1
vld1.8 {d0}, [r1], r2
avg d5, d0, d1
.if \avg
vld1.8 {d2}, [r0,:64], r2
vld1.8 {d3}, [r0,:64]
vrhadd.u8 q2, q2, q1
sub r0, r0, r2
.endif
vst1.8 {d4}, [r0,:64], r2
vst1.8 {d5}, [r0,:64], r2
bx lr
.endm
.macro pixels8_xy2 rnd=1, avg=0
sub r3, r3, #2
vld1.8 {q0}, [r1], r2
vld1.8 {q1}, [r1], r2
NRND vmov.i16 q11, #1
pld [r1]
pld [r1, r2]
vext.8 d4, d0, d1, #1
vext.8 d6, d2, d3, #1
vaddl.u8 q8, d0, d4
vaddl.u8 q9, d2, d6
1: subs r3, r3, #2
vld1.8 {q0}, [r1], r2
pld [r1]
vadd.u16 q10, q8, q9
vext.8 d4, d0, d1, #1
NRND vadd.u16 q10, q10, q11
vaddl.u8 q8, d0, d4
shrn d5, q10, #2
vld1.8 {q1}, [r1], r2
vadd.u16 q10, q8, q9
pld [r1, r2]
.if \avg
vld1.8 {d7}, [r0,:64]
vrhadd.u8 d5, d5, d7
.endif
NRND vadd.u16 q10, q10, q11
vst1.8 {d5}, [r0,:64], r2
shrn d7, q10, #2
.if \avg
vld1.8 {d5}, [r0,:64]
vrhadd.u8 d7, d7, d5
.endif
vext.8 d6, d2, d3, #1
vaddl.u8 q9, d2, d6
vst1.8 {d7}, [r0,:64], r2
bgt 1b
vld1.8 {q0}, [r1], r2
vadd.u16 q10, q8, q9
vext.8 d4, d0, d1, #1
NRND vadd.u16 q10, q10, q11
vaddl.u8 q8, d0, d4
shrn d5, q10, #2
vadd.u16 q10, q8, q9
.if \avg
vld1.8 {d7}, [r0,:64]
vrhadd.u8 d5, d5, d7
.endif
NRND vadd.u16 q10, q10, q11
vst1.8 {d5}, [r0,:64], r2
shrn d7, q10, #2
.if \avg
vld1.8 {d5}, [r0,:64]
vrhadd.u8 d7, d7, d5
.endif
vst1.8 {d7}, [r0,:64], r2
bx lr
.endm
.macro pixfunc pfx, name, suf, rnd=1, avg=0
.if \rnd
.macro avg rd, rn, rm
vrhadd.u8 \rd, \rn, \rm
.endm
.macro shrn rd, rn, rm
vrshrn.u16 \rd, \rn, \rm
.endm
.macro NRND insn:vararg
.endm
.else
.macro avg rd, rn, rm
vhadd.u8 \rd, \rn, \rm
.endm
.macro shrn rd, rn, rm
vshrn.u16 \rd, \rn, \rm
.endm
.macro NRND insn:vararg
\insn
.endm
.endif
function ff_\pfx\name\suf\()_neon, export=1
\name \rnd, \avg
endfunc
.purgem avg
.purgem shrn
.purgem NRND
.endm
.macro pixfunc2 pfx, name, avg=0
pixfunc \pfx, \name, rnd=1, avg=\avg
pixfunc \pfx, \name, _no_rnd, rnd=0, avg=\avg
.endm
function ff_put_h264_qpel16_mc00_neon, export=1
mov r3, #16
endfunc
pixfunc put_, pixels16, avg=0
pixfunc2 put_, pixels16_x2, avg=0
pixfunc2 put_, pixels16_y2, avg=0
pixfunc2 put_, pixels16_xy2, avg=0
function ff_avg_h264_qpel16_mc00_neon, export=1
mov r3, #16
endfunc
pixfunc avg_, pixels16, avg=1
pixfunc2 avg_, pixels16_x2, avg=1
pixfunc2 avg_, pixels16_y2, avg=1
pixfunc2 avg_, pixels16_xy2, avg=1
function ff_put_h264_qpel8_mc00_neon, export=1
mov r3, #8
endfunc
pixfunc put_, pixels8, avg=0
pixfunc2 put_, pixels8_x2, avg=0
pixfunc2 put_, pixels8_y2, avg=0
pixfunc2 put_, pixels8_xy2, avg=0
function ff_avg_h264_qpel8_mc00_neon, export=1
mov r3, #8
endfunc
pixfunc avg_, pixels8, avg=1
pixfunc avg_, pixels8_x2, avg=1
pixfunc avg_, pixels8_y2, avg=1
pixfunc avg_, pixels8_xy2, avg=1
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