mirror of https://git.ffmpeg.org/ffmpeg.git
542 lines
18 KiB
ArmAsm
542 lines
18 KiB
ArmAsm
/*
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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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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/* H.264 loop filter */
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.macro h264_loop_filter_start
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ldr r12, [sp]
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tst r2, r2
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ldr r12, [r12]
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it ne
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tstne r3, r3
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vmov.32 d24[0], r12
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and r12, r12, r12, lsl #16
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it eq
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bxeq lr
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ands r12, r12, r12, lsl #8
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it lt
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bxlt lr
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.endm
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.macro h264_loop_filter_luma
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vdup.8 q11, r2 @ alpha
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vmovl.u8 q12, d24
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vabd.u8 q6, q8, q0 @ abs(p0 - q0)
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vmovl.u16 q12, d24
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vabd.u8 q14, q9, q8 @ abs(p1 - p0)
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vsli.16 q12, q12, #8
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vabd.u8 q15, q1, q0 @ abs(q1 - q0)
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vsli.32 q12, q12, #16
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vclt.u8 q6, q6, q11 @ < alpha
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vdup.8 q11, r3 @ beta
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vclt.s8 q7, q12, #0
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vclt.u8 q14, q14, q11 @ < beta
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vclt.u8 q15, q15, q11 @ < beta
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vbic q6, q6, q7
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vabd.u8 q4, q10, q8 @ abs(p2 - p0)
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vand q6, q6, q14
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vabd.u8 q5, q2, q0 @ abs(q2 - q0)
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vclt.u8 q4, q4, q11 @ < beta
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vand q6, q6, q15
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vclt.u8 q5, q5, q11 @ < beta
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vand q4, q4, q6
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vand q5, q5, q6
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vand q12, q12, q6
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vrhadd.u8 q14, q8, q0
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vsub.i8 q6, q12, q4
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vqadd.u8 q7, q9, q12
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vhadd.u8 q10, q10, q14
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vsub.i8 q6, q6, q5
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vhadd.u8 q14, q2, q14
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vmin.u8 q7, q7, q10
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vqsub.u8 q11, q9, q12
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vqadd.u8 q2, q1, q12
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vmax.u8 q7, q7, q11
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vqsub.u8 q11, q1, q12
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vmin.u8 q14, q2, q14
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vmovl.u8 q2, d0
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vmax.u8 q14, q14, q11
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vmovl.u8 q10, d1
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vsubw.u8 q2, q2, d16
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vsubw.u8 q10, q10, d17
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vshl.i16 q2, q2, #2
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vshl.i16 q10, q10, #2
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vaddw.u8 q2, q2, d18
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vaddw.u8 q10, q10, d19
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vsubw.u8 q2, q2, d2
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vsubw.u8 q10, q10, d3
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vrshrn.i16 d4, q2, #3
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vrshrn.i16 d5, q10, #3
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vbsl q4, q7, q9
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vbsl q5, q14, q1
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vneg.s8 q7, q6
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vmovl.u8 q14, d16
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vmin.s8 q2, q2, q6
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vmovl.u8 q6, d17
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vmax.s8 q2, q2, q7
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vmovl.u8 q11, d0
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vmovl.u8 q12, d1
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vaddw.s8 q14, q14, d4
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vaddw.s8 q6, q6, d5
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vsubw.s8 q11, q11, d4
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vsubw.s8 q12, q12, d5
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vqmovun.s16 d16, q14
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vqmovun.s16 d17, q6
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vqmovun.s16 d0, q11
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vqmovun.s16 d1, q12
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.endm
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function ff_h264_v_loop_filter_luma_neon, export=1
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h264_loop_filter_start
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vld1.8 {d0, d1}, [r0,:128], r1
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vld1.8 {d2, d3}, [r0,:128], r1
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vld1.8 {d4, d5}, [r0,:128], r1
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sub r0, r0, r1, lsl #2
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sub r0, r0, r1, lsl #1
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vld1.8 {d20,d21}, [r0,:128], r1
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vld1.8 {d18,d19}, [r0,:128], r1
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vld1.8 {d16,d17}, [r0,:128], r1
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vpush {d8-d15}
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h264_loop_filter_luma
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sub r0, r0, r1, lsl #1
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vst1.8 {d8, d9}, [r0,:128], r1
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vst1.8 {d16,d17}, [r0,:128], r1
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vst1.8 {d0, d1}, [r0,:128], r1
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vst1.8 {d10,d11}, [r0,:128]
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vpop {d8-d15}
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bx lr
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endfunc
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function ff_h264_h_loop_filter_luma_neon, export=1
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h264_loop_filter_start
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sub r0, r0, #4
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vld1.8 {d6}, [r0], r1
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vld1.8 {d20}, [r0], r1
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vld1.8 {d18}, [r0], r1
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vld1.8 {d16}, [r0], r1
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vld1.8 {d0}, [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 {d26}, [r0], r1
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vld1.8 {d7}, [r0], r1
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vld1.8 {d21}, [r0], r1
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vld1.8 {d19}, [r0], r1
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vld1.8 {d17}, [r0], r1
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vld1.8 {d1}, [r0], r1
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vld1.8 {d3}, [r0], r1
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vld1.8 {d5}, [r0], r1
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vld1.8 {d27}, [r0], r1
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transpose_8x8 q3, q10, q9, q8, q0, q1, q2, q13
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vpush {d8-d15}
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h264_loop_filter_luma
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transpose_4x4 q4, q8, q0, q5
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sub r0, r0, r1, lsl #4
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add r0, r0, #2
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vst1.32 {d8[0]}, [r0], r1
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vst1.32 {d16[0]}, [r0], r1
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vst1.32 {d0[0]}, [r0], r1
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vst1.32 {d10[0]}, [r0], r1
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vst1.32 {d8[1]}, [r0], r1
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vst1.32 {d16[1]}, [r0], r1
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vst1.32 {d0[1]}, [r0], r1
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vst1.32 {d10[1]}, [r0], r1
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vst1.32 {d9[0]}, [r0], r1
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vst1.32 {d17[0]}, [r0], r1
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vst1.32 {d1[0]}, [r0], r1
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vst1.32 {d11[0]}, [r0], r1
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vst1.32 {d9[1]}, [r0], r1
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vst1.32 {d17[1]}, [r0], r1
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vst1.32 {d1[1]}, [r0], r1
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vst1.32 {d11[1]}, [r0], r1
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vpop {d8-d15}
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bx lr
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endfunc
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.macro h264_loop_filter_chroma
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vdup.8 d22, r2 @ alpha
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vmovl.u8 q12, d24
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vabd.u8 d26, d16, d0 @ abs(p0 - q0)
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vmovl.u8 q2, d0
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vabd.u8 d28, d18, d16 @ abs(p1 - p0)
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vsubw.u8 q2, q2, d16
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vsli.16 d24, d24, #8
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vshl.i16 q2, q2, #2
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vabd.u8 d30, d2, d0 @ abs(q1 - q0)
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vaddw.u8 q2, q2, d18
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vclt.u8 d26, d26, d22 @ < alpha
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vsubw.u8 q2, q2, d2
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vdup.8 d22, r3 @ beta
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vrshrn.i16 d4, q2, #3
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vclt.u8 d28, d28, d22 @ < beta
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vclt.u8 d30, d30, d22 @ < beta
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vmin.s8 d4, d4, d24
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vneg.s8 d25, d24
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vand d26, d26, d28
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vmax.s8 d4, d4, d25
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vand d26, d26, d30
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vmovl.u8 q11, d0
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vand d4, d4, d26
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vmovl.u8 q14, d16
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vaddw.s8 q14, q14, d4
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vsubw.s8 q11, q11, d4
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vqmovun.s16 d16, q14
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vqmovun.s16 d0, q11
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.endm
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function ff_h264_v_loop_filter_chroma_neon, export=1
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h264_loop_filter_start
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sub r0, r0, r1, lsl #1
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vld1.8 {d18}, [r0,:64], r1
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vld1.8 {d16}, [r0,:64], r1
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vld1.8 {d0}, [r0,:64], r1
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vld1.8 {d2}, [r0,:64]
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h264_loop_filter_chroma
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sub r0, r0, r1, lsl #1
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vst1.8 {d16}, [r0,:64], r1
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vst1.8 {d0}, [r0,:64], r1
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bx lr
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endfunc
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function ff_h264_h_loop_filter_chroma_neon, export=1
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h264_loop_filter_start
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sub r0, r0, #2
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vld1.32 {d18[0]}, [r0], r1
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vld1.32 {d16[0]}, [r0], r1
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vld1.32 {d0[0]}, [r0], r1
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vld1.32 {d2[0]}, [r0], r1
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vld1.32 {d18[1]}, [r0], r1
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vld1.32 {d16[1]}, [r0], r1
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vld1.32 {d0[1]}, [r0], r1
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vld1.32 {d2[1]}, [r0], r1
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vtrn.16 d18, d0
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vtrn.16 d16, d2
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vtrn.8 d18, d16
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vtrn.8 d0, d2
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h264_loop_filter_chroma
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vtrn.16 d18, d0
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vtrn.16 d16, d2
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vtrn.8 d18, d16
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vtrn.8 d0, d2
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sub r0, r0, r1, lsl #3
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vst1.32 {d18[0]}, [r0], r1
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vst1.32 {d16[0]}, [r0], r1
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vst1.32 {d0[0]}, [r0], r1
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vst1.32 {d2[0]}, [r0], r1
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vst1.32 {d18[1]}, [r0], r1
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vst1.32 {d16[1]}, [r0], r1
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vst1.32 {d0[1]}, [r0], r1
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vst1.32 {d2[1]}, [r0], r1
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bx lr
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endfunc
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@ Biweighted prediction
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.macro biweight_16 macs, macd
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vdup.8 d0, r4
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vdup.8 d1, r5
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vmov q2, q8
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vmov q3, q8
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1: subs r3, r3, #2
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vld1.8 {d20-d21},[r0,:128], r2
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\macd q2, d0, d20
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pld [r0]
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\macd q3, d0, d21
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vld1.8 {d22-d23},[r1,:128], r2
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\macs q2, d1, d22
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pld [r1]
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\macs q3, d1, d23
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vmov q12, q8
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vld1.8 {d28-d29},[r0,:128], r2
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vmov q13, q8
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\macd q12, d0, d28
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pld [r0]
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\macd q13, d0, d29
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vld1.8 {d30-d31},[r1,:128], r2
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\macs q12, d1, d30
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pld [r1]
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\macs q13, d1, d31
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vshl.s16 q2, q2, q9
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vshl.s16 q3, q3, q9
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vqmovun.s16 d4, q2
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vqmovun.s16 d5, q3
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vshl.s16 q12, q12, q9
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vshl.s16 q13, q13, q9
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vqmovun.s16 d24, q12
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vqmovun.s16 d25, q13
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vmov q3, q8
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vst1.8 {d4- d5}, [r6,:128], r2
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vmov q2, q8
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vst1.8 {d24-d25},[r6,:128], r2
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bne 1b
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pop {r4-r6, pc}
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.endm
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.macro biweight_8 macs, macd
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vdup.8 d0, r4
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vdup.8 d1, r5
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vmov q1, q8
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vmov q10, q8
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1: subs r3, r3, #2
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vld1.8 {d4},[r0,:64], r2
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\macd q1, d0, d4
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pld [r0]
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vld1.8 {d5},[r1,:64], r2
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\macs q1, d1, d5
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pld [r1]
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vld1.8 {d6},[r0,:64], r2
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\macd q10, d0, d6
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pld [r0]
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vld1.8 {d7},[r1,:64], r2
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\macs q10, d1, d7
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pld [r1]
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vshl.s16 q1, q1, q9
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vqmovun.s16 d2, q1
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vshl.s16 q10, q10, q9
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vqmovun.s16 d4, q10
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vmov q10, q8
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vst1.8 {d2},[r6,:64], r2
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vmov q1, q8
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vst1.8 {d4},[r6,:64], r2
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bne 1b
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pop {r4-r6, pc}
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.endm
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.macro biweight_4 macs, macd
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vdup.8 d0, r4
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vdup.8 d1, r5
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vmov q1, q8
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vmov q10, q8
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1: subs r3, r3, #4
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vld1.32 {d4[0]},[r0,:32], r2
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vld1.32 {d4[1]},[r0,:32], r2
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\macd q1, d0, d4
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pld [r0]
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vld1.32 {d5[0]},[r1,:32], r2
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vld1.32 {d5[1]},[r1,:32], r2
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\macs q1, d1, d5
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pld [r1]
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blt 2f
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vld1.32 {d6[0]},[r0,:32], r2
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vld1.32 {d6[1]},[r0,:32], r2
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\macd q10, d0, d6
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pld [r0]
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vld1.32 {d7[0]},[r1,:32], r2
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vld1.32 {d7[1]},[r1,:32], r2
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\macs q10, d1, d7
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pld [r1]
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vshl.s16 q1, q1, q9
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vqmovun.s16 d2, q1
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vshl.s16 q10, q10, q9
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vqmovun.s16 d4, q10
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vmov q10, q8
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vst1.32 {d2[0]},[r6,:32], r2
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vst1.32 {d2[1]},[r6,:32], r2
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vmov q1, q8
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vst1.32 {d4[0]},[r6,:32], r2
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vst1.32 {d4[1]},[r6,:32], r2
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bne 1b
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pop {r4-r6, pc}
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2: vshl.s16 q1, q1, q9
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vqmovun.s16 d2, q1
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vst1.32 {d2[0]},[r6,:32], r2
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vst1.32 {d2[1]},[r6,:32], r2
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pop {r4-r6, pc}
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.endm
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.macro biweight_func w
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function ff_biweight_h264_pixels_\w\()_neon, export=1
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push {r4-r6, lr}
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ldr r12, [sp, #16]
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add r4, sp, #20
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ldm r4, {r4-r6}
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lsr lr, r4, #31
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add r6, r6, #1
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eors lr, lr, r5, lsr #30
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orr r6, r6, #1
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vdup.16 q9, r12
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lsl r6, r6, r12
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vmvn q9, q9
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vdup.16 q8, r6
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mov r6, r0
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beq 10f
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subs lr, lr, #1
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beq 20f
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subs lr, lr, #1
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beq 30f
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b 40f
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10: biweight_\w vmlal.u8, vmlal.u8
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20: rsb r4, r4, #0
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biweight_\w vmlal.u8, vmlsl.u8
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30: rsb r4, r4, #0
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rsb r5, r5, #0
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biweight_\w vmlsl.u8, vmlsl.u8
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40: rsb r5, r5, #0
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biweight_\w vmlsl.u8, vmlal.u8
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endfunc
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.endm
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biweight_func 16
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biweight_func 8
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biweight_func 4
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@ Weighted prediction
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.macro weight_16 add
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vdup.8 d0, r12
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1: subs r2, r2, #2
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vld1.8 {d20-d21},[r0,:128], r1
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vmull.u8 q2, d0, d20
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pld [r0]
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vmull.u8 q3, d0, d21
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vld1.8 {d28-d29},[r0,:128], r1
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vmull.u8 q12, d0, d28
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pld [r0]
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vmull.u8 q13, d0, d29
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\add q2, q8, q2
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vrshl.s16 q2, q2, q9
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\add q3, q8, q3
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vrshl.s16 q3, q3, q9
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vqmovun.s16 d4, q2
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vqmovun.s16 d5, q3
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\add q12, q8, q12
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vrshl.s16 q12, q12, q9
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\add q13, q8, q13
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vrshl.s16 q13, q13, q9
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vqmovun.s16 d24, q12
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vqmovun.s16 d25, q13
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vst1.8 {d4- d5}, [r4,:128], r1
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vst1.8 {d24-d25},[r4,:128], r1
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bne 1b
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pop {r4, pc}
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.endm
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.macro weight_8 add
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vdup.8 d0, r12
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1: subs r2, r2, #2
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vld1.8 {d4},[r0,:64], r1
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vmull.u8 q1, d0, d4
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pld [r0]
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vld1.8 {d6},[r0,:64], r1
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vmull.u8 q10, d0, d6
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\add q1, q8, q1
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pld [r0]
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vrshl.s16 q1, q1, q9
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vqmovun.s16 d2, q1
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\add q10, q8, q10
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vrshl.s16 q10, q10, q9
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vqmovun.s16 d4, q10
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vst1.8 {d2},[r4,:64], r1
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vst1.8 {d4},[r4,:64], r1
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bne 1b
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pop {r4, pc}
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.endm
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.macro weight_4 add
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vdup.8 d0, r12
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vmov q1, q8
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vmov q10, q8
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1: subs r2, r2, #4
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vld1.32 {d4[0]},[r0,:32], r1
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vld1.32 {d4[1]},[r0,:32], r1
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vmull.u8 q1, d0, d4
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pld [r0]
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blt 2f
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vld1.32 {d6[0]},[r0,:32], r1
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vld1.32 {d6[1]},[r0,:32], r1
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vmull.u8 q10, d0, d6
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pld [r0]
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\add q1, q8, q1
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vrshl.s16 q1, q1, q9
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vqmovun.s16 d2, q1
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\add q10, q8, q10
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vrshl.s16 q10, q10, q9
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vqmovun.s16 d4, q10
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vmov q10, q8
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vst1.32 {d2[0]},[r4,:32], r1
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vst1.32 {d2[1]},[r4,:32], r1
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vmov q1, q8
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vst1.32 {d4[0]},[r4,:32], r1
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vst1.32 {d4[1]},[r4,:32], r1
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bne 1b
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pop {r4, pc}
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2: \add q1, q8, q1
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vrshl.s16 q1, q1, q9
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vqmovun.s16 d2, q1
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vst1.32 {d2[0]},[r4,:32], r1
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vst1.32 {d2[1]},[r4,:32], r1
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pop {r4, pc}
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.endm
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.macro weight_func w
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function ff_weight_h264_pixels_\w\()_neon, export=1
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push {r4, lr}
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ldr r12, [sp, #8]
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ldr r4, [sp, #12]
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cmp r3, #1
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lsl r4, r4, r3
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vdup.16 q8, r4
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mov r4, r0
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ble 20f
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rsb lr, r3, #1
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vdup.16 q9, lr
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cmp r12, #0
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blt 10f
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weight_\w vhadd.s16
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10: rsb r12, r12, #0
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weight_\w vhsub.s16
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20: rsb lr, r3, #0
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vdup.16 q9, lr
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cmp r12, #0
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blt 10f
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weight_\w vadd.s16
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10: rsb r12, r12, #0
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weight_\w vsub.s16
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endfunc
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.endm
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weight_func 16
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weight_func 8
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weight_func 4
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