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/*
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* Copyright (c) 2014 Seppo Tomperi <seppo.tomperi@vtt.fi>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/arm/asm.S"
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#include "neon.S"
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.macro hevc_loop_filter_chroma_start
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ldr r12, [r2]
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ldr r3, [r2, #4]
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add r2, r3, r12
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cmp r2, #0
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it eq
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bxeq lr
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.endm
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.macro hevc_loop_filter_chroma_body
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vsubl.u8 q3, d4, d2
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vsubl.u8 q11, d18, d19
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vshl.i16 q3, #2
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vadd.i16 q11, q3
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vdup.16 d0, r12
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vdup.16 d1, r3
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vrshr.s16 q11, q11, #3
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vneg.s16 q12, q0
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vmovl.u8 q2, d4
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vmin.s16 q11, q11, q0
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vmax.s16 q11, q11, q12
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vaddw.u8 q1, q11, d2
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vsub.i16 q2, q11
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vqmovun.s16 d2, q1
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vqmovun.s16 d4, q2
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.endm
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.macro hevc_loop_filter_luma_start
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ldr r12, [r3]
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ldr r3, [r3, #4]
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lsl r3, #16
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orr r3, r12
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cmp r3, #0
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it eq
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bxeq lr
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lsr r3, #16
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.endm
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.macro hevc_loop_filter_luma_body
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vmovl.u8 q8, d16
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vmovl.u8 q9, d18
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vmovl.u8 q10, d20
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vmovl.u8 q11, d22
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vmovl.u8 q12, d24
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vmovl.u8 q13, d26
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vmovl.u8 q14, d28
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vmovl.u8 q15, d30
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vadd.i16 q7, q9, q11
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vadd.i16 q6, q14, q12
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vsub.i16 q7, q10
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vsub.i16 q6, q13
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vabd.s16 q7, q7, q10
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vabd.s16 q6, q6, q13
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vdup.16 q0, r2
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vmov q4, q7
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vmov q5, q6
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vdup.16 d4, r12
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vtrn.16 q7, q4
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vtrn.16 q6, q5
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vshl.u64 q7, #32
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vshr.u64 q4, #32
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vshl.u64 q6, #32
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vshr.u64 q5, #32
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vshr.u64 q7, #32
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vshr.u64 q6, #32
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vshl.u64 q5, #32
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vshl.u64 q4, #32
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vorr q6, q5
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vorr q7, q4
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vdup.16 d5, r3
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vadd.i16 q5, q7, q6
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vmov q4, q5
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vmov q3, q5
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vtrn.32 q3, q4
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vadd.i16 q4, q3
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vshl.s16 q5, q5, #1
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vcgt.s16 q3, q0, q4
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vmovn.i16 d6, q3
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vshr.s16 q1, q0, #2
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vmovn.i16 d6, q3
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vcgt.s16 q5, q1, q5
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vmov r7, s12
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cmp r7, #0
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beq bypasswrite
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vpadd.i32 d0, d14, d12
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vpadd.i32 d1, d15, d13
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vmov q4, q2
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vshl.s16 q2, #2
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vshr.s16 q1, q1, #1
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vrhadd.s16 q2, q4
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vabd.s16 q7, q8, q11
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vaba.s16 q7, q15, q12
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vmovn.i32 d0, q0
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vmov r5, r6, s0, s1
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vcgt.s16 q6, q1, q7
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vand q5, q5, q6
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vabd.s16 q7, q11, q12
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vcgt.s16 q6, q2, q7
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vand q5, q5, q6
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vmov q2, q5
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vtrn.s16 q5, q2
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vshr.u64 q2, #32
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vshl.u64 q5, #32
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vshl.u64 q2, #32
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vshr.u64 q5, #32
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vorr q5, q2
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vmov q2, q5
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vshl.i16 q7, q4, #1
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vtrn.32 q2, q5
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vand q5, q2
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vneg.s16 q6, q7
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vmovn.i16 d4, q5
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vmovn.i16 d4, q2
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vmov r8, s8
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and r9, r8, r7
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cmp r9, #0
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beq 1f
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vadd.i16 q2, q11, q12
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vadd.i16 q4, q9, q8
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vadd.i16 q1, q2, q10
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vdup.16 d10, r9
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vadd.i16 q0, q1, q9
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vshl.i16 q4, #1
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lsr r9, #16
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vadd.i16 q1, q0
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vrshr.s16 q3, q0, #2
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vadd.i16 q1, q13
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vadd.i16 q4, q0
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vsub.i16 q3, q10
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vrshr.s16 q1, #3
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vrshr.s16 q4, #3
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vmax.s16 q3, q6
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vsub.i16 q1, q11
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vsub.i16 q4, q9
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vmin.s16 q3, q7
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vmax.s16 q4, q6
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vmax.s16 q1, q6
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vadd.i16 q3, q10
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vmin.s16 q4, q7
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vmin.s16 q1, q7
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vdup.16 d11, r9
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vadd.i16 q4, q9
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vadd.i16 q1, q11
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vbit q9, q4, q5
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vadd.i16 q4, q2, q13
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vbit q11, q1, q5
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vadd.i16 q0, q4, q14
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vadd.i16 q2, q15, q14
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vadd.i16 q4, q0
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vshl.i16 q2, #1
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vadd.i16 q4, q10
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vbit q10, q3, q5
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vrshr.s16 q4, #3
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vadd.i16 q2, q0
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vrshr.s16 q3, q0, #2
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vsub.i16 q4, q12
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vrshr.s16 q2, #3
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vsub.i16 q3, q13
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vmax.s16 q4, q6
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vsub.i16 q2, q14
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vmax.s16 q3, q6
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vmin.s16 q4, q7
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vmax.s16 q2, q6
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vmin.s16 q3, q7
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vadd.i16 q4, q12
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vmin.s16 q2, q7
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vadd.i16 q3, q13
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vbit q12, q4, q5
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vadd.i16 q2, q14
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vbit q13, q3, q5
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vbit q14, q2, q5
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1:
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mvn r8, r8
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and r9, r8, r7
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cmp r9, #0
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beq 2f
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vdup.16 q4, r2
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vdup.16 d10, r9
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lsr r9, #16
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vmov q1, q4
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vdup.16 d11, r9
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vshr.s16 q1, #1
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vsub.i16 q2, q12, q11
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vadd.i16 q4, q1
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vshl.s16 q0, q2, #3
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vshr.s16 q4, #3
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vadd.i16 q2, q0
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vsub.i16 q0, q13, q10
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vsub.i16 q2, q0
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vshl.i16 q0, q0, #1
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vsub.i16 q2, q0
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vshl.s16 q1, q7, 2
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vrshr.s16 q2, q2, #4
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vadd.i16 q1, q7
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vabs.s16 q3, q2
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vshr.s16 q6, q6, #1
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vcgt.s16 q1, q1, q3
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vand q5, q1
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vshr.s16 q7, q7, #1
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vmax.s16 q2, q2, q6
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vmin.s16 q2, q2, q7
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vshr.s16 q7, q7, #1
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vrhadd.s16 q3, q9, q11
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vneg.s16 q6, q7
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vsub.s16 q3, q10
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vdup.16 d2, r5
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vhadd.s16 q3, q2
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vdup.16 d3, r6
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vmax.s16 q3, q3, q6
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vcgt.s16 q1, q4, q1
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vmin.s16 q3, q3, q7
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vand q1, q5
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vadd.i16 q3, q10
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lsr r5, #16
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lsr r6, #16
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vbit q10, q3, q1
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vrhadd.s16 q3, q14, q12
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vdup.16 d2, r5
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vsub.s16 q3, q13
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vdup.16 d3, r6
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vhsub.s16 q3, q2
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vcgt.s16 q1, q4, q1
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vmax.s16 q3, q3, q6
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vand q1, q5
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vmin.s16 q3, q3, q7
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vadd.i16 q3, q13
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vbit q13, q3, q1
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vadd.i16 q0, q11, q2
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vsub.i16 q4, q12, q2
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vbit q11, q0, q5
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vbit q12, q4, q5
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2:
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vqmovun.s16 d16, q8
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vqmovun.s16 d18, q9
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vqmovun.s16 d20, q10
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vqmovun.s16 d22, q11
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vqmovun.s16 d24, q12
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vqmovun.s16 d26, q13
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vqmovun.s16 d28, q14
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vqmovun.s16 d30, q15
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.endm
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function ff_hevc_v_loop_filter_luma_neon, export=1
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hevc_loop_filter_luma_start
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push {r5-r11}
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vpush {d8-d15}
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sub r0, #4
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vld1.8 {d16}, [r0], r1
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vld1.8 {d18}, [r0], r1
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vld1.8 {d20}, [r0], r1
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vld1.8 {d22}, [r0], r1
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vld1.8 {d24}, [r0], r1
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vld1.8 {d26}, [r0], r1
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vld1.8 {d28}, [r0], r1
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vld1.8 {d30}, [r0], r1
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sub r0, r0, r1, lsl #3
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transpose_8x8 d16, d18, d20, d22, d24, d26, d28, d30
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hevc_loop_filter_luma_body
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transpose_8x8 d16, d18, d20, d22, d24, d26, d28, d30
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vst1.8 {d16}, [r0], r1
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vst1.8 {d18}, [r0], r1
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vst1.8 {d20}, [r0], r1
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vst1.8 {d22}, [r0], r1
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vst1.8 {d24}, [r0], r1
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vst1.8 {d26}, [r0], r1
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vst1.8 {d28}, [r0], r1
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vst1.8 {d30}, [r0]
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vpop {d8-d15}
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pop {r5-r11}
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bx lr
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endfunc
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function ff_hevc_h_loop_filter_luma_neon, export=1
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hevc_loop_filter_luma_start
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push {r5-r11}
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vpush {d8-d15}
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sub r0, r0, r1, lsl #2
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vld1.8 {d16}, [r0], r1
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vld1.8 {d18}, [r0], r1
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vld1.8 {d20}, [r0], r1
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vld1.8 {d22}, [r0], r1
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vld1.8 {d24}, [r0], r1
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vld1.8 {d26}, [r0], r1
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vld1.8 {d28}, [r0], r1
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vld1.8 {d30}, [r0], r1
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sub r0, r0, r1, lsl #3
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add r0, r1
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hevc_loop_filter_luma_body
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vst1.8 {d18}, [r0], r1
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vst1.8 {d20}, [r0], r1
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vst1.8 {d22}, [r0], r1
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vst1.8 {d24}, [r0], r1
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vst1.8 {d26}, [r0], r1
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vst1.8 {d28}, [r0]
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|
bypasswrite:
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vpop {d8-d15}
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|
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pop {r5-r11}
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bx lr
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endfunc
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|
|
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function ff_hevc_v_loop_filter_chroma_neon, export=1
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|
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hevc_loop_filter_chroma_start
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|
|
sub r0, #4
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|
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vld1.8 {d16}, [r0], r1
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vld1.8 {d17}, [r0], r1
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vld1.8 {d18}, [r0], r1
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vld1.8 {d2}, [r0], r1
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vld1.8 {d4}, [r0], r1
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vld1.8 {d19}, [r0], r1
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vld1.8 {d20}, [r0], r1
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|
vld1.8 {d21}, [r0], r1
|
|
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|
|
sub r0, r0, r1, lsl #3
|
|
|
|
|
transpose_8x8 d16, d17, d18, d2, d4, d19, d20, d21
|
|
|
|
|
hevc_loop_filter_chroma_body
|
|
|
|
|
transpose_8x8 d16, d17, d18, d2, d4, d19, d20, d21
|
|
|
|
|
vst1.8 {d16}, [r0], r1
|
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|
|
vst1.8 {d17}, [r0], r1
|
|
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|
|
vst1.8 {d18}, [r0], r1
|
|
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|
|
vst1.8 {d2}, [r0], r1
|
|
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|
|
vst1.8 {d4}, [r0], r1
|
|
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|
|
vst1.8 {d19}, [r0], r1
|
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|
|
vst1.8 {d20}, [r0], r1
|
|
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|
|
vst1.8 {d21}, [r0]
|
|
|
|
|
bx lr
|
|
|
|
|
endfunc
|
|
|
|
|
|
|
|
|
|
function ff_hevc_h_loop_filter_chroma_neon, export=1
|
|
|
|
|
hevc_loop_filter_chroma_start
|
|
|
|
|
sub r0, r0, r1, lsl #1
|
|
|
|
|
vld1.8 {d18}, [r0], r1
|
|
|
|
|
vld1.8 {d2}, [r0], r1
|
|
|
|
|
vld1.8 {d4}, [r0], r1
|
|
|
|
|
vld1.8 {d19}, [r0]
|
|
|
|
|
sub r0, r0, r1, lsl #1
|
|
|
|
|
hevc_loop_filter_chroma_body
|
|
|
|
|
vst1.8 {d2}, [r0], r1
|
|
|
|
|
vst1.8 {d4}, [r0]
|
|
|
|
|
bx lr
|
|
|
|
|
endfunc
|
