Mercurial > hg > pmhd
diff ffmpeg/libavcodec/arm/dsputil_neon.S @ 10:6840f77b83aa
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| author | Yading Song <yading.song@eecs.qmul.ac.uk> |
|---|---|
| date | Sun, 21 Apr 2013 10:55:35 +0200 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ffmpeg/libavcodec/arm/dsputil_neon.S Sun Apr 21 10:55:35 2013 +0200 @@ -0,0 +1,209 @@ +/* + * ARM NEON optimised DSP functions + * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> + * + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/arm/asm.S" + +function ff_clear_block_neon, export=1 + vmov.i16 q0, #0 + .rept 8 + vst1.16 {q0}, [r0,:128]! + .endr + bx lr +endfunc + +function ff_clear_blocks_neon, export=1 + vmov.i16 q0, #0 + .rept 8*6 + vst1.16 {q0}, [r0,:128]! + .endr + bx lr +endfunc + +function ff_put_pixels_clamped_neon, export=1 + vld1.16 {d16-d19}, [r0,:128]! + vqmovun.s16 d0, q8 + vld1.16 {d20-d23}, [r0,:128]! + vqmovun.s16 d1, q9 + vld1.16 {d24-d27}, [r0,:128]! + vqmovun.s16 d2, q10 + vld1.16 {d28-d31}, [r0,:128]! + vqmovun.s16 d3, q11 + vst1.8 {d0}, [r1,:64], r2 + vqmovun.s16 d4, q12 + vst1.8 {d1}, [r1,:64], r2 + vqmovun.s16 d5, q13 + vst1.8 {d2}, [r1,:64], r2 + vqmovun.s16 d6, q14 + vst1.8 {d3}, [r1,:64], r2 + vqmovun.s16 d7, q15 + vst1.8 {d4}, [r1,:64], r2 + vst1.8 {d5}, [r1,:64], r2 + vst1.8 {d6}, [r1,:64], r2 + vst1.8 {d7}, [r1,:64], r2 + bx lr +endfunc + +function ff_put_signed_pixels_clamped_neon, export=1 + vmov.u8 d31, #128 + vld1.16 {d16-d17}, [r0,:128]! + vqmovn.s16 d0, q8 + vld1.16 {d18-d19}, [r0,:128]! + vqmovn.s16 d1, q9 + vld1.16 {d16-d17}, [r0,:128]! + vqmovn.s16 d2, q8 + vld1.16 {d18-d19}, [r0,:128]! + vadd.u8 d0, d0, d31 + vld1.16 {d20-d21}, [r0,:128]! + vadd.u8 d1, d1, d31 + vld1.16 {d22-d23}, [r0,:128]! + vadd.u8 d2, d2, d31 + vst1.8 {d0}, [r1,:64], r2 + vqmovn.s16 d3, q9 + vst1.8 {d1}, [r1,:64], r2 + vqmovn.s16 d4, q10 + vst1.8 {d2}, [r1,:64], r2 + vqmovn.s16 d5, q11 + vld1.16 {d24-d25}, [r0,:128]! + vadd.u8 d3, d3, d31 + vld1.16 {d26-d27}, [r0,:128]! + vadd.u8 d4, d4, d31 + vadd.u8 d5, d5, d31 + vst1.8 {d3}, [r1,:64], r2 + vqmovn.s16 d6, q12 + vst1.8 {d4}, [r1,:64], r2 + vqmovn.s16 d7, q13 + vst1.8 {d5}, [r1,:64], r2 + vadd.u8 d6, d6, d31 + vadd.u8 d7, d7, d31 + vst1.8 {d6}, [r1,:64], r2 + vst1.8 {d7}, [r1,:64], r2 + bx lr +endfunc + +function ff_add_pixels_clamped_neon, export=1 + mov r3, r1 + vld1.8 {d16}, [r1,:64], r2 + vld1.16 {d0-d1}, [r0,:128]! + vaddw.u8 q0, q0, d16 + vld1.8 {d17}, [r1,:64], r2 + vld1.16 {d2-d3}, [r0,:128]! + vqmovun.s16 d0, q0 + vld1.8 {d18}, [r1,:64], r2 + vaddw.u8 q1, q1, d17 + vld1.16 {d4-d5}, [r0,:128]! + vaddw.u8 q2, q2, d18 + vst1.8 {d0}, [r3,:64], r2 + vqmovun.s16 d2, q1 + vld1.8 {d19}, [r1,:64], r2 + vld1.16 {d6-d7}, [r0,:128]! + vaddw.u8 q3, q3, d19 + vqmovun.s16 d4, q2 + vst1.8 {d2}, [r3,:64], r2 + vld1.8 {d16}, [r1,:64], r2 + vqmovun.s16 d6, q3 + vld1.16 {d0-d1}, [r0,:128]! + vaddw.u8 q0, q0, d16 + vst1.8 {d4}, [r3,:64], r2 + vld1.8 {d17}, [r1,:64], r2 + vld1.16 {d2-d3}, [r0,:128]! + vaddw.u8 q1, q1, d17 + vst1.8 {d6}, [r3,:64], r2 + vqmovun.s16 d0, q0 + vld1.8 {d18}, [r1,:64], r2 + vld1.16 {d4-d5}, [r0,:128]! + vaddw.u8 q2, q2, d18 + vst1.8 {d0}, [r3,:64], r2 + vqmovun.s16 d2, q1 + vld1.8 {d19}, [r1,:64], r2 + vqmovun.s16 d4, q2 + vld1.16 {d6-d7}, [r0,:128]! + vaddw.u8 q3, q3, d19 + vst1.8 {d2}, [r3,:64], r2 + vqmovun.s16 d6, q3 + vst1.8 {d4}, [r3,:64], r2 + vst1.8 {d6}, [r3,:64], r2 + bx lr +endfunc + +function ff_vector_clipf_neon, export=1 +VFP vdup.32 q1, d0[1] +VFP vdup.32 q0, d0[0] +NOVFP vdup.32 q0, r2 +NOVFP vdup.32 q1, r3 +NOVFP ldr r2, [sp] + vld1.f32 {q2},[r1,:128]! + vmin.f32 q10, q2, q1 + vld1.f32 {q3},[r1,:128]! + vmin.f32 q11, q3, q1 +1: vmax.f32 q8, q10, q0 + vmax.f32 q9, q11, q0 + subs r2, r2, #8 + beq 2f + vld1.f32 {q2},[r1,:128]! + vmin.f32 q10, q2, q1 + vld1.f32 {q3},[r1,:128]! + vmin.f32 q11, q3, q1 + vst1.f32 {q8},[r0,:128]! + vst1.f32 {q9},[r0,:128]! + b 1b +2: vst1.f32 {q8},[r0,:128]! + vst1.f32 {q9},[r0,:128]! + bx lr +endfunc + +function ff_apply_window_int16_neon, export=1 + push {r4,lr} + add r4, r1, r3, lsl #1 + add lr, r0, r3, lsl #1 + sub r4, r4, #16 + sub lr, lr, #16 + mov r12, #-16 +1: + vld1.16 {q0}, [r1,:128]! + vld1.16 {q2}, [r2,:128]! + vld1.16 {q1}, [r4,:128], r12 + vrev64.16 q3, q2 + vqrdmulh.s16 q0, q0, q2 + vqrdmulh.s16 d2, d2, d7 + vqrdmulh.s16 d3, d3, d6 + vst1.16 {q0}, [r0,:128]! + vst1.16 {q1}, [lr,:128], r12 + subs r3, r3, #16 + bgt 1b + + pop {r4,pc} +endfunc + +function ff_vector_clip_int32_neon, export=1 + vdup.32 q0, r2 + vdup.32 q1, r3 + ldr r2, [sp] +1: + vld1.32 {q2-q3}, [r1,:128]! + vmin.s32 q2, q2, q1 + vmin.s32 q3, q3, q1 + vmax.s32 q2, q2, q0 + vmax.s32 q3, q3, q0 + vst1.32 {q2-q3}, [r0,:128]! + subs r2, r2, #8 + bgt 1b + bx lr +endfunc