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/*
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* Copyright (c) 2009 David Conrad
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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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const vp3_idct_constants, align=4
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.short 64277, 60547, 54491, 46341, 36410, 25080, 12785
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endconst
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#define xC1S7 d0[0]
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#define xC2S6 d0[1]
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#define xC3S5 d0[2]
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#define xC4S4 d0[3]
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#define xC5S3 d1[0]
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#define xC6S2 d1[1]
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#define xC7S1 d1[2]
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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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function vp3_idct_start_neon
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vpush {d8-d15}
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movrel r3, vp3_idct_constants
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vld1.64 {d0-d1}, [r3,:128]
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vld1.64 {d16-d19}, [r2,:128]!
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vld1.64 {d20-d23}, [r2,:128]!
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vld1.64 {d24-d27}, [r2,:128]!
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vadd.s16 q1, q8, q12
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vsub.s16 q8, q8, q12
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vld1.64 {d28-d31}, [r2,:128]!
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endfunc
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function vp3_idct_core_neon
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vmull.s16 q2, d18, xC1S7 // (ip[1] * C1) << 16
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vmull.s16 q3, d19, xC1S7
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vmull.s16 q4, d2, xC4S4 // ((ip[0] + ip[4]) * C4) << 16
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vmull.s16 q5, d3, xC4S4
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vmull.s16 q6, d16, xC4S4 // ((ip[0] - ip[4]) * C4) << 16
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vmull.s16 q7, d17, xC4S4
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vshrn.s32 d4, q2, #16
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vshrn.s32 d5, q3, #16
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vshrn.s32 d6, q4, #16
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vshrn.s32 d7, q5, #16
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vshrn.s32 d8, q6, #16
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vshrn.s32 d9, q7, #16
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vadd.s16 q12, q1, q3 // E = (ip[0] + ip[4]) * C4
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vadd.s16 q8, q8, q4 // F = (ip[0] - ip[4]) * C4
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vadd.s16 q1, q2, q9 // ip[1] * C1
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vmull.s16 q2, d30, xC1S7 // (ip[7] * C1) << 16
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vmull.s16 q3, d31, xC1S7
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vmull.s16 q4, d30, xC7S1 // (ip[7] * C7) << 16
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vmull.s16 q5, d31, xC7S1
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vmull.s16 q6, d18, xC7S1 // (ip[1] * C7) << 16
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vmull.s16 q7, d19, xC7S1
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vshrn.s32 d4, q2, #16
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vshrn.s32 d5, q3, #16
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vshrn.s32 d6, q4, #16 // ip[7] * C7
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vshrn.s32 d7, q5, #16
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vshrn.s32 d8, q6, #16 // ip[1] * C7
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vshrn.s32 d9, q7, #16
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vadd.s16 q2, q2, q15 // ip[7] * C1
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vadd.s16 q9, q1, q3 // A = ip[1] * C1 + ip[7] * C7
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vsub.s16 q15, q4, q2 // B = ip[1] * C7 - ip[7] * C1
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vmull.s16 q2, d22, xC5S3 // (ip[3] * C5) << 16
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vmull.s16 q3, d23, xC5S3
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vmull.s16 q4, d22, xC3S5 // (ip[3] * C3) << 16
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vmull.s16 q5, d23, xC3S5
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vmull.s16 q6, d26, xC5S3 // (ip[5] * C5) << 16
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vmull.s16 q7, d27, xC5S3
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vshrn.s32 d4, q2, #16
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vshrn.s32 d5, q3, #16
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vshrn.s32 d6, q4, #16
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vshrn.s32 d7, q5, #16
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vshrn.s32 d8, q6, #16
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vshrn.s32 d9, q7, #16
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vadd.s16 q3, q3, q11 // ip[3] * C3
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vadd.s16 q4, q4, q13 // ip[5] * C5
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vadd.s16 q1, q2, q11 // ip[3] * C5
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vadd.s16 q11, q3, q4 // C = ip[3] * C3 + ip[5] * C5
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vmull.s16 q2, d26, xC3S5 // (ip[5] * C3) << 16
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vmull.s16 q3, d27, xC3S5
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vmull.s16 q4, d20, xC2S6 // (ip[2] * C2) << 16
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vmull.s16 q5, d21, xC2S6
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vmull.s16 q6, d28, xC6S2 // (ip[6] * C6) << 16
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vmull.s16 q7, d29, xC6S2
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vshrn.s32 d4, q2, #16
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vshrn.s32 d5, q3, #16
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vshrn.s32 d6, q4, #16
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vshrn.s32 d7, q5, #16
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vshrn.s32 d8, q6, #16 // ip[6] * C6
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vshrn.s32 d9, q7, #16
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vadd.s16 q2, q2, q13 // ip[5] * C3
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vadd.s16 q3, q3, q10 // ip[2] * C2
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vsub.s16 q13, q2, q1 // D = ip[5] * C3 - ip[3] * C5
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vsub.s16 q1, q9, q11 // (A - C)
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vadd.s16 q11, q9, q11 // Cd = A + C
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vsub.s16 q9, q15, q13 // (B - D)
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vadd.s16 q13, q15, q13 // Dd = B + D
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vadd.s16 q15, q3, q4 // G = ip[2] * C2 + ip[6] * C6
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vmull.s16 q2, d2, xC4S4 // ((A - C) * C4) << 16
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vmull.s16 q3, d3, xC4S4
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vmull.s16 q4, d28, xC2S6 // (ip[6] * C2) << 16
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vmull.s16 q5, d29, xC2S6
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vmull.s16 q6, d20, xC6S2 // (ip[2] * C6) << 16
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vmull.s16 q7, d21, xC6S2
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vshrn.s32 d4, q2, #16
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vshrn.s32 d5, q3, #16
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vshrn.s32 d6, q4, #16
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vshrn.s32 d7, q5, #16
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vshrn.s32 d8, q6, #16 // ip[2] * C6
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vmull.s16 q5, d18, xC4S4 // ((B - D) * C4) << 16
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vmull.s16 q6, d19, xC4S4
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vshrn.s32 d9, q7, #16
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vadd.s16 q3, q3, q14 // ip[6] * C2
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vadd.s16 q10, q1, q2 // Ad = (A - C) * C4
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vsub.s16 q14, q4, q3 // H = ip[2] * C6 - ip[6] * C2
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bx lr
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endfunc
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.macro VP3_IDCT_END type
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function vp3_idct_end_\type\()_neon
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.ifc \type, col
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vdup.16 q0, r3
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vadd.s16 q12, q12, q0
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vadd.s16 q8, q8, q0
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.endif
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vshrn.s32 d2, q5, #16
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vshrn.s32 d3, q6, #16
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vadd.s16 q2, q12, q15 // Gd = E + G
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vadd.s16 q9, q1, q9 // (B - D) * C4
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vsub.s16 q12, q12, q15 // Ed = E - G
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vsub.s16 q3, q8, q10 // Fd = F - Ad
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vadd.s16 q10, q8, q10 // Add = F + Ad
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vadd.s16 q4, q9, q14 // Hd = Bd + H
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vsub.s16 q14, q9, q14 // Bdd = Bd - H
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vadd.s16 q8, q2, q11 // [0] = Gd + Cd
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vsub.s16 q15, q2, q11 // [7] = Gd - Cd
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vadd.s16 q9, q10, q4 // [1] = Add + Hd
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vsub.s16 q10, q10, q4 // [2] = Add - Hd
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vadd.s16 q11, q12, q13 // [3] = Ed + Dd
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vsub.s16 q12, q12, q13 // [4] = Ed - Dd
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.ifc \type, row
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vtrn.16 q8, q9
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.endif
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vadd.s16 q13, q3, q14 // [5] = Fd + Bdd
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vsub.s16 q14, q3, q14 // [6] = Fd - Bdd
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.ifc \type, row
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// 8x8 transpose
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vtrn.16 q10, q11
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vtrn.16 q12, q13
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vtrn.16 q14, q15
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vtrn.32 q8, q10
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vtrn.32 q9, q11
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vtrn.32 q12, q14
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vtrn.32 q13, q15
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vswp d17, d24
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vswp d19, d26
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vadd.s16 q1, q8, q12
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vswp d21, d28
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vsub.s16 q8, q8, q12
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vswp d23, d30
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.endif
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bx lr
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endfunc
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.endm
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VP3_IDCT_END row
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VP3_IDCT_END col
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function ff_vp3_idct_neon, export=1
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mov ip, lr
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mov r2, r0
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bl vp3_idct_start_neon
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bl vp3_idct_end_row_neon
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mov r3, #8
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bl vp3_idct_core_neon
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|
bl vp3_idct_end_col_neon
|
|
|
|
|
mov lr, ip
|
|
|
|
|
vpop {d8-d15}
|
|
|
|
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|
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|
|
vshr.s16 q8, q8, #4
|
|
|
|
|
vshr.s16 q9, q9, #4
|
|
|
|
|
vshr.s16 q10, q10, #4
|
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|
|
|
vshr.s16 q11, q11, #4
|
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|
|
|
vshr.s16 q12, q12, #4
|
|
|
|
|
vst1.64 {d16-d19}, [r0,:128]!
|
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|
|
vshr.s16 q13, q13, #4
|
|
|
|
|
vshr.s16 q14, q14, #4
|
|
|
|
|
vst1.64 {d20-d23}, [r0,:128]!
|
|
|
|
|
vshr.s16 q15, q15, #4
|
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|
|
|
vst1.64 {d24-d27}, [r0,:128]!
|
|
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|
|
vst1.64 {d28-d31}, [r0,:128]!
|
|
|
|
|
bx lr
|
|
|
|
|
endfunc
|
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|
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|
|
|
|
|
|
function ff_vp3_idct_put_neon, export=1
|
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|
|
|
mov ip, lr
|
|
|
|
|
bl vp3_idct_start_neon
|
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|
|
|
bl vp3_idct_end_row_neon
|
|
|
|
|
mov r3, #8
|
|
|
|
|
add r3, r3, #2048 // convert signed pixel to unsigned
|
|
|
|
|
bl vp3_idct_core_neon
|
|
|
|
|
bl vp3_idct_end_col_neon
|
|
|
|
|
mov lr, ip
|
|
|
|
|
vpop {d8-d15}
|
|
|
|
|
|
|
|
|
|
vqshrun.s16 d0, q8, #4
|
|
|
|
|
vqshrun.s16 d1, q9, #4
|
|
|
|
|
vqshrun.s16 d2, q10, #4
|
|
|
|
|
vqshrun.s16 d3, q11, #4
|
|
|
|
|
vst1.64 {d0}, [r0,:64], r1
|
|
|
|
|
vqshrun.s16 d4, q12, #4
|
|
|
|
|
vst1.64 {d1}, [r0,:64], r1
|
|
|
|
|
vqshrun.s16 d5, q13, #4
|
|
|
|
|
vst1.64 {d2}, [r0,:64], r1
|
|
|
|
|
vqshrun.s16 d6, q14, #4
|
|
|
|
|
vst1.64 {d3}, [r0,:64], r1
|
|
|
|
|
vqshrun.s16 d7, q15, #4
|
|
|
|
|
vst1.64 {d4}, [r0,:64], r1
|
|
|
|
|
vst1.64 {d5}, [r0,:64], r1
|
|
|
|
|
vst1.64 {d6}, [r0,:64], r1
|
|
|
|
|
vst1.64 {d7}, [r0,:64], r1
|
|
|
|
|
bx lr
|
|
|
|
|
endfunc
|
|
|
|
|
|
|
|
|
|
function ff_vp3_idct_add_neon, export=1
|
|
|
|
|
mov ip, lr
|
|
|
|
|
bl vp3_idct_start_neon
|
|
|
|
|
bl vp3_idct_end_row_neon
|
|
|
|
|
mov r3, #8
|
|
|
|
|
bl vp3_idct_core_neon
|
|
|
|
|
bl vp3_idct_end_col_neon
|
|
|
|
|
mov lr, ip
|
|
|
|
|
vpop {d8-d15}
|
|
|
|
|
mov r2, r0
|
|
|
|
|
|
|
|
|
|
vld1.64 {d0}, [r0,:64], r1
|
|
|
|
|
vshr.s16 q8, q8, #4
|
|
|
|
|
vld1.64 {d1}, [r0,:64], r1
|
|
|
|
|
vshr.s16 q9, q9, #4
|
|
|
|
|
vld1.64 {d2}, [r0,:64], r1
|
|
|
|
|
vaddw.u8 q8, q8, d0
|
|
|
|
|
vld1.64 {d3}, [r0,:64], r1
|
|
|
|
|
vaddw.u8 q9, q9, d1
|
|
|
|
|
vld1.64 {d4}, [r0,:64], r1
|
|
|
|
|
vshr.s16 q10, q10, #4
|
|
|
|
|
vld1.64 {d5}, [r0,:64], r1
|
|
|
|
|
vshr.s16 q11, q11, #4
|
|
|
|
|
vld1.64 {d6}, [r0,:64], r1
|
|
|
|
|
vqmovun.s16 d0, q8
|
|
|
|
|
vld1.64 {d7}, [r0,:64], r1
|
|
|
|
|
vqmovun.s16 d1, q9
|
|
|
|
|
vaddw.u8 q10, q10, d2
|
|
|
|
|
vaddw.u8 q11, q11, d3
|
|
|
|
|
vshr.s16 q12, q12, #4
|
|
|
|
|
vshr.s16 q13, q13, #4
|
|
|
|
|
vqmovun.s16 d2, q10
|
|
|
|
|
vqmovun.s16 d3, q11
|
|
|
|
|
vaddw.u8 q12, q12, d4
|
|
|
|
|
vaddw.u8 q13, q13, d5
|
|
|
|
|
vshr.s16 q14, q14, #4
|
|
|
|
|
vshr.s16 q15, q15, #4
|
|
|
|
|
vst1.64 {d0}, [r2,:64], r1
|
|
|
|
|
vqmovun.s16 d4, q12
|
|
|
|
|
vst1.64 {d1}, [r2,:64], r1
|
|
|
|
|
vqmovun.s16 d5, q13
|
|
|
|
|
vst1.64 {d2}, [r2,:64], r1
|
|
|
|
|
vaddw.u8 q14, q14, d6
|
|
|
|
|
vst1.64 {d3}, [r2,:64], r1
|
|
|
|
|
vaddw.u8 q15, q15, d7
|
|
|
|
|
vst1.64 {d4}, [r2,:64], r1
|
|
|
|
|
vqmovun.s16 d6, q14
|
|
|
|
|
vst1.64 {d5}, [r2,:64], r1
|
|
|
|
|
vqmovun.s16 d7, q15
|
|
|
|
|
vst1.64 {d6}, [r2,:64], r1
|
|
|
|
|
vst1.64 {d7}, [r2,:64], r1
|
|
|
|
|
bx lr
|
|
|
|
|
endfunc
|
|
|
|
|
|
|
|
|
|
function ff_vp3_idct_dc_add_neon, export=1
|
|
|
|
|
ldrsh r2, [r2]
|
|
|
|
|
mov r3, r0
|
|
|
|
|
add r2, r2, #15
|
|
|
|
|
vdup.16 q15, r2
|
|
|
|
|
vshr.s16 q15, q15, #5
|
|
|
|
|
|
|
|
|
|
vld1.8 {d0}, [r0,:64], r1
|
|
|
|
|
vld1.8 {d1}, [r0,:64], r1
|
|
|
|
|
vld1.8 {d2}, [r0,:64], r1
|
|
|
|
|
vaddw.u8 q8, q15, d0
|
|
|
|
|
vld1.8 {d3}, [r0,:64], r1
|
|
|
|
|
vaddw.u8 q9, q15, d1
|
|
|
|
|
vld1.8 {d4}, [r0,:64], r1
|
|
|
|
|
vaddw.u8 q10, q15, d2
|
|
|
|
|
vld1.8 {d5}, [r0,:64], r1
|
|
|
|
|
vaddw.u8 q11, q15, d3
|
|
|
|
|
vld1.8 {d6}, [r0,:64], r1
|
|
|
|
|
vaddw.u8 q12, q15, d4
|
|
|
|
|
vld1.8 {d7}, [r0,:64], r1
|
|
|
|
|
vaddw.u8 q13, q15, d5
|
|
|
|
|
vqmovun.s16 d0, q8
|
|
|
|
|
vaddw.u8 q14, q15, d6
|
|
|
|
|
vqmovun.s16 d1, q9
|
|
|
|
|
vaddw.u8 q15, q15, d7
|
|
|
|
|
vqmovun.s16 d2, q10
|
|
|
|
|
vst1.8 {d0}, [r3,:64], r1
|
|
|
|
|
vqmovun.s16 d3, q11
|
|
|
|
|
vst1.8 {d1}, [r3,:64], r1
|
|
|
|
|
vqmovun.s16 d4, q12
|
|
|
|
|
vst1.8 {d2}, [r3,:64], r1
|
|
|
|
|
vqmovun.s16 d5, q13
|
|
|
|
|
vst1.8 {d3}, [r3,:64], r1
|
|
|
|
|
vqmovun.s16 d6, q14
|
|
|
|
|
vst1.8 {d4}, [r3,:64], r1
|
|
|
|
|
vqmovun.s16 d7, q15
|
|
|
|
|
vst1.8 {d5}, [r3,:64], r1
|
|
|
|
|
vst1.8 {d6}, [r3,:64], r1
|
|
|
|
|
vst1.8 {d7}, [r3,:64], r1
|
|
|
|
|
bx lr
|
|
|
|
|
endfunc
|
