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https://github.com/xenia-project/FFmpeg.git
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95 lines
2.8 KiB
ArmAsm
95 lines
2.8 KiB
ArmAsm
/*
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* Copyright (c) 2009 David Conrad
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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 "asm.S"
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.macro vp3_loop_filter
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vsubl.u8 q3, d18, d17
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vsubl.u8 q2, d16, d19
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vadd.i16 q1, q3, q3
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vadd.i16 q2, q2, q3
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vadd.i16 q0, q1, q2
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vrshr.s16 q0, q0, #3
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vmovl.u8 q9, d18
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vdup.u16 q15, r2
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vabs.s16 q1, q0
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vshr.s16 q0, q0, #15
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vqsub.u16 q2, q15, q1
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vqsub.u16 q3, q2, q1
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vsub.i16 q1, q2, q3
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veor q1, q1, q0
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vsub.i16 q0, q1, q0
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vaddw.u8 q2, q0, d17
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vsub.i16 q3, q9, q0
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vqmovun.s16 d0, q2
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vqmovun.s16 d1, q3
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.endm
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function ff_vp3_v_loop_filter_neon, export=1
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sub ip, r0, r1
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sub r0, r0, r1, lsl #1
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vld1.64 {d16}, [r0,:64], r1
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vld1.64 {d17}, [r0,:64], r1
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vld1.64 {d18}, [r0,:64], r1
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vld1.64 {d19}, [r0,:64], r1
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ldrb r2, [r2, #129*4]
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vp3_loop_filter
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vst1.64 {d0}, [ip,:64], r1
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vst1.64 {d1}, [ip,:64], r1
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bx lr
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.endfunc
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function ff_vp3_h_loop_filter_neon, export=1
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sub ip, r0, #1
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sub r0, r0, #2
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vld1.32 {d16[]}, [r0], r1
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vld1.32 {d17[]}, [r0], r1
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vld1.32 {d18[]}, [r0], r1
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vld1.32 {d19[]}, [r0], r1
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vld1.32 {d16[1]}, [r0], r1
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vld1.32 {d17[1]}, [r0], r1
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vld1.32 {d18[1]}, [r0], r1
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vld1.32 {d19[1]}, [r0], r1
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ldrb r2, [r2, #129*4]
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vtrn.8 d16, d17
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vtrn.8 d18, d19
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vtrn.16 d16, d18
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vtrn.16 d17, d19
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vp3_loop_filter
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vtrn.8 d0, d1
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vst1.16 {d0[0]}, [ip], r1
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vst1.16 {d1[0]}, [ip], r1
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vst1.16 {d0[1]}, [ip], r1
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vst1.16 {d1[1]}, [ip], r1
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vst1.16 {d0[2]}, [ip], r1
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vst1.16 {d1[2]}, [ip], r1
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vst1.16 {d0[3]}, [ip], r1
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vst1.16 {d1[3]}, [ip], r1
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bx lr
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.endfunc
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