mirror of https://github.com/FFmpeg/FFmpeg.git
Originally committed as revision 22993 to svn://svn.ffmpeg.org/ffmpeg/trunkrelease/0.6
Måns Rullgård
15 years ago
parent
5e1ba34bbb
commit
5635985c26
5 changed files with 164 additions and 0 deletions
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/*
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* Copyright (c) 2010 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 <stdint.h> |
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#include "libavcodec/avcodec.h" |
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#include "libavcodec/vp56dsp.h" |
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void ff_vp6_edge_filter_hor_neon(uint8_t *yuv, int stride, int t); |
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void ff_vp6_edge_filter_ver_neon(uint8_t *yuv, int stride, int t); |
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void ff_vp56dsp_init_arm(VP56DSPContext *s, enum CodecID codec) |
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{ |
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if (codec != CODEC_ID_VP5 && HAVE_NEON) { |
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s->edge_filter_hor = ff_vp6_edge_filter_hor_neon; |
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s->edge_filter_ver = ff_vp6_edge_filter_ver_neon; |
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} |
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} |
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/* |
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* Copyright (c) 2010 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 "asm.S" |
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.macro vp6_edge_filter
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vdup.16 q3, r2 @ t
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vmov.i16 q13, #1 |
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vsubl.u8 q0, d20, d18 @ p[ 0] - p[-s]
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vsubl.u8 q1, d16, d22 @ p[-2*s] - p[ s]
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vsubl.u8 q14, d21, d19 |
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vsubl.u8 q15, d17, d23 |
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vadd.i16 q2, q0, q0 @ 2*(p[0]-p[-s])
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vadd.i16 d29, d28, d28 |
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vadd.i16 q0, q0, q1 @ p[0]-p[-s] + p[-2*s]-p[s]
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vadd.i16 d28, d28, d30 |
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vadd.i16 q0, q0, q2 @ 3*(p[0]-p[-s]) + p[-2*s]-p[s]
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vadd.i16 d28, d28, d29 |
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vrshr.s16 q0, q0, #3 @ v
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vrshr.s16 d28, d28, #3 |
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vsub.i16 q8, q3, q13 @ t-1
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vabs.s16 q1, q0 @ V
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vshr.s16 q2, q0, #15 @ s
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vabs.s16 d30, d28 |
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vshr.s16 d29, d28, #15 |
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vsub.i16 q12, q1, q3 @ V-t
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vsub.i16 d31, d30, d6 |
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vsub.i16 q12, q12, q13 @ V-t-1
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vsub.i16 d31, d31, d26 |
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vcge.u16 q12, q12, q8 @ V-t-1 >= t-1
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vcge.u16 d31, d31, d16 |
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vadd.i16 q13, q3, q3 @ 2*t
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vadd.i16 d16, d6, d6 |
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vsub.i16 q13, q13, q1 @ 2*t - V
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vsub.i16 d16, d16, d30 |
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vadd.i16 q13, q13, q2 @ += s
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vadd.i16 d16, d16, d29 |
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veor q13, q13, q2 @ ^= s
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veor d16, d16, d29 |
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vbif q0, q13, q12 |
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vbif d28, d16, d31 |
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vmovl.u8 q1, d20 |
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vmovl.u8 q15, d21 |
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vaddw.u8 q2, q0, d18 |
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vaddw.u8 q3, q14, d19 |
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vsub.i16 q1, q1, q0 |
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vsub.i16 d30, d30, d28 |
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vqmovun.s16 d18, q2 |
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vqmovun.s16 d19, q3 |
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vqmovun.s16 d20, q1 |
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vqmovun.s16 d21, q15 |
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.endm |
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function ff_vp6_edge_filter_ver_neon, export=1 |
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sub r0, r0, r1, lsl #1 |
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vld1.8 {q8}, [r0], r1 @ p[-2*s]
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vld1.8 {q9}, [r0], r1 @ p[-s]
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vld1.8 {q10}, [r0], r1 @ p[0]
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vld1.8 {q11}, [r0] @ p[s]
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vp6_edge_filter |
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sub r0, r0, r1, lsl #1 |
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sub r1, r1, #8 |
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vst1.8 {d18}, [r0]! |
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vst1.32 {d19[0]}, [r0], r1 |
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vst1.8 {d20}, [r0]! |
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vst1.32 {d21[0]}, [r0] |
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bx lr |
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endfunc |
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function ff_vp6_edge_filter_hor_neon, export=1 |
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sub r3, r0, #1 |
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sub r0, r0, #2 |
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vld1.32 {d16[0]}, [r0], r1 |
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vld1.32 {d18[0]}, [r0], r1 |
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vld1.32 {d20[0]}, [r0], r1 |
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vld1.32 {d22[0]}, [r0], r1 |
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vld1.32 {d16[1]}, [r0], r1 |
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vld1.32 {d18[1]}, [r0], r1 |
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vld1.32 {d20[1]}, [r0], r1 |
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vld1.32 {d22[1]}, [r0], r1 |
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vld1.32 {d17[0]}, [r0], r1 |
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vld1.32 {d19[0]}, [r0], r1 |
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vld1.32 {d21[0]}, [r0], r1 |
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vld1.32 {d23[0]}, [r0], r1 |
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vtrn.8 q8, q9 |
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vtrn.8 q10, q11 |
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vtrn.16 q8, q10 |
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vtrn.16 q9, q11 |
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vp6_edge_filter |
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vtrn.8 q9, q10 |
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vst1.16 {d18[0]}, [r3], r1 |
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vst1.16 {d20[0]}, [r3], r1 |
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vst1.16 {d18[1]}, [r3], r1 |
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vst1.16 {d20[1]}, [r3], r1 |
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vst1.16 {d18[2]}, [r3], r1 |
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vst1.16 {d20[2]}, [r3], r1 |
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vst1.16 {d18[3]}, [r3], r1 |
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vst1.16 {d20[3]}, [r3], r1 |
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vst1.16 {d19[0]}, [r3], r1 |
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vst1.16 {d21[0]}, [r3], r1 |
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vst1.16 {d19[1]}, [r3], r1 |
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vst1.16 {d21[1]}, [r3], r1 |
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bx lr |
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endfunc |
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