diff options
| author | Diego Biurrun <diego@biurrun.de> | 2012-10-06 20:28:56 +0200 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2013-08-23 14:42:19 +0200 |
| commit | 8506ff97c9ea4a1f52983497ecf8d4ef193403a9 (patch) | |
| tree | c02b5b1de9259e6f05b0ba373565c12206335109 /libavcodec/arm/vp6dsp_neon.S | |
| parent | 30ce289074e88f528965cb57720674a675639737 (diff) | |
vp56: Mark VP6-only optimizations as such.
Most of our VP56 optimizations are VP6-only and will stay that way.
So avoid compiling them for VP5-only builds.
Diffstat (limited to 'libavcodec/arm/vp6dsp_neon.S')
| -rw-r--r-- | libavcodec/arm/vp6dsp_neon.S | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/libavcodec/arm/vp6dsp_neon.S b/libavcodec/arm/vp6dsp_neon.S new file mode 100644 index 0000000000..10b4d0f14c --- /dev/null +++ b/libavcodec/arm/vp6dsp_neon.S @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/arm/asm.S" + +.macro vp6_edge_filter + vdup.16 q3, r2 @ t + vmov.i16 q13, #1 + vsubl.u8 q0, d20, d18 @ p[ 0] - p[-s] + vsubl.u8 q1, d16, d22 @ p[-2*s] - p[ s] + vsubl.u8 q14, d21, d19 + vsubl.u8 q15, d17, d23 + vadd.i16 q2, q0, q0 @ 2*(p[0]-p[-s]) + vadd.i16 d29, d28, d28 + vadd.i16 q0, q0, q1 @ p[0]-p[-s] + p[-2*s]-p[s] + vadd.i16 d28, d28, d30 + vadd.i16 q0, q0, q2 @ 3*(p[0]-p[-s]) + p[-2*s]-p[s] + vadd.i16 d28, d28, d29 + vrshr.s16 q0, q0, #3 @ v + vrshr.s16 d28, d28, #3 + vsub.i16 q8, q3, q13 @ t-1 + vabs.s16 q1, q0 @ V + vshr.s16 q2, q0, #15 @ s + vabs.s16 d30, d28 + vshr.s16 d29, d28, #15 + vsub.i16 q12, q1, q3 @ V-t + vsub.i16 d31, d30, d6 + vsub.i16 q12, q12, q13 @ V-t-1 + vsub.i16 d31, d31, d26 + vcge.u16 q12, q12, q8 @ V-t-1 >= t-1 + vcge.u16 d31, d31, d16 + vadd.i16 q13, q3, q3 @ 2*t + vadd.i16 d16, d6, d6 + vsub.i16 q13, q13, q1 @ 2*t - V + vsub.i16 d16, d16, d30 + vadd.i16 q13, q13, q2 @ += s + vadd.i16 d16, d16, d29 + veor q13, q13, q2 @ ^= s + veor d16, d16, d29 + vbif q0, q13, q12 + vbif d28, d16, d31 + vmovl.u8 q1, d20 + vmovl.u8 q15, d21 + vaddw.u8 q2, q0, d18 + vaddw.u8 q3, q14, d19 + vsub.i16 q1, q1, q0 + vsub.i16 d30, d30, d28 + vqmovun.s16 d18, q2 + vqmovun.s16 d19, q3 + vqmovun.s16 d20, q1 + vqmovun.s16 d21, q15 +.endm + +function ff_vp6_edge_filter_ver_neon, export=1 + sub r0, r0, r1, lsl #1 + vld1.8 {q8}, [r0], r1 @ p[-2*s] + vld1.8 {q9}, [r0], r1 @ p[-s] + vld1.8 {q10}, [r0], r1 @ p[0] + vld1.8 {q11}, [r0] @ p[s] + vp6_edge_filter + sub r0, r0, r1, lsl #1 + sub r1, r1, #8 + vst1.8 {d18}, [r0]! + vst1.32 {d19[0]}, [r0], r1 + vst1.8 {d20}, [r0]! + vst1.32 {d21[0]}, [r0] + bx lr +endfunc + +function ff_vp6_edge_filter_hor_neon, export=1 + sub r3, r0, #1 + sub r0, r0, #2 + vld1.32 {d16[0]}, [r0], r1 + vld1.32 {d18[0]}, [r0], r1 + vld1.32 {d20[0]}, [r0], r1 + vld1.32 {d22[0]}, [r0], r1 + vld1.32 {d16[1]}, [r0], r1 + vld1.32 {d18[1]}, [r0], r1 + vld1.32 {d20[1]}, [r0], r1 + vld1.32 {d22[1]}, [r0], r1 + vld1.32 {d17[0]}, [r0], r1 + vld1.32 {d19[0]}, [r0], r1 + vld1.32 {d21[0]}, [r0], r1 + vld1.32 {d23[0]}, [r0], r1 + vtrn.8 q8, q9 + vtrn.8 q10, q11 + vtrn.16 q8, q10 + vtrn.16 q9, q11 + vp6_edge_filter + vtrn.8 q9, q10 + vst1.16 {d18[0]}, [r3], r1 + vst1.16 {d20[0]}, [r3], r1 + vst1.16 {d18[1]}, [r3], r1 + vst1.16 {d20[1]}, [r3], r1 + vst1.16 {d18[2]}, [r3], r1 + vst1.16 {d20[2]}, [r3], r1 + vst1.16 {d18[3]}, [r3], r1 + vst1.16 {d20[3]}, [r3], r1 + vst1.16 {d19[0]}, [r3], r1 + vst1.16 {d21[0]}, [r3], r1 + vst1.16 {d19[1]}, [r3], r1 + vst1.16 {d21[1]}, [r3], r1 + bx lr +endfunc |