/* * 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 "asm.S" preserve8 .fpu neon .text .macro pixels16 avg=0 .if \avg mov ip, r0 .endif 1: vld1.64 {d0, d1}, [r1], r2 vld1.64 {d2, d3}, [r1], r2 vld1.64 {d4, d5}, [r1], r2 pld [r1, r2, lsl #2] vld1.64 {d6, d7}, [r1], r2 pld [r1] pld [r1, r2] pld [r1, r2, lsl #1] .if \avg vld1.64 {d16,d17}, [ip], r2 vrhadd.u8 q0, q0, q8 vld1.64 {d18,d19}, [ip], r2 vrhadd.u8 q1, q1, q9 vld1.64 {d20,d21}, [ip], r2 vrhadd.u8 q2, q2, q10 vld1.64 {d22,d23}, [ip], r2 vrhadd.u8 q3, q3, q11 .endif subs r3, r3, #4 vst1.64 {d0, d1}, [r0,:128], r2 vst1.64 {d2, d3}, [r0,:128], r2 vst1.64 {d4, d5}, [r0,:128], r2 vst1.64 {d6, d7}, [r0,:128], r2 bne 1b bx lr .endm .macro pixels16_x2 vhadd=vrhadd.u8 1: vld1.64 {d0-d2}, [r1], r2 vld1.64 {d4-d6}, [r1], r2 pld [r1] pld [r1, r2] subs r3, r3, #2 vext.8 q1, q0, q1, #1 \vhadd q0, q0, q1 vext.8 q3, q2, q3, #1 \vhadd q2, q2, q3 vst1.64 {d0, d1}, [r0,:128], r2 vst1.64 {d4, d5}, [r0,:128], r2 bne 1b bx lr .endm .macro pixels16_y2 vhadd=vrhadd.u8 push {lr} add ip, r1, r2 lsl lr, r2, #1 vld1.64 {d0, d1}, [r1], lr vld1.64 {d2, d3}, [ip], lr 1: subs r3, r3, #2 \vhadd q2, q0, q1 vld1.64 {d0, d1}, [r1], lr \vhadd q3, q0, q1 vld1.64 {d2, d3}, [ip], lr pld [r1] pld [ip] vst1.64 {d4, d5}, [r0,:128], r2 vst1.64 {d6, d7}, [r0,:128], r2 bne 1b pop {pc} .endm .macro pixels16_xy2 vshrn=vrshrn.u16 no_rnd=0 push {lr} lsl lr, r2, #1 add ip, r1, r2 vld1.64 {d0-d2}, [r1], lr vld1.64 {d4-d6}, [ip], lr .if \no_rnd vmov.i16 q13, #1 .endif pld [r1] pld [ip] vext.8 q1, q0, q1, #1 vext.8 q3, q2, q3, #1 vaddl.u8 q8, d0, d2 vaddl.u8 q10, d1, d3 vaddl.u8 q9, d4, d6 vaddl.u8 q11, d5, d7 1: subs r3, r3, #2 vld1.64 {d0-d2}, [r1], lr vadd.u16 q12, q8, q9 pld [r1] .if \no_rnd vadd.u16 q12, q12, q13 .endif vext.8 q15, q0, q1, #1 vadd.u16 q1 , q10, q11 \vshrn d28, q12, #2 .if \no_rnd vadd.u16 q1, q1, q13 .endif \vshrn d29, q1, #2 vaddl.u8 q8, d0, d30 vld1.64 {d2-d4}, [ip], lr vaddl.u8 q10, d1, d31 vst1.64 {d28,d29}, [r0,:128], r2 vadd.u16 q12, q8, q9 pld [ip] .if \no_rnd vadd.u16 q12, q12, q13 .endif vext.8 q2, q1, q2, #1 vadd.u16 q0, q10, q11 \vshrn d30, q12, #2 .if \no_rnd vadd.u16 q0, q0, q13 .endif \vshrn d31, q0, #2 vaddl.u8 q9, d2, d4 vaddl.u8 q11, d3, d5 vst1.64 {d30,d31}, [r0,:128], r2 bgt 1b pop {pc} .endm .macro pixels8 1: vld1.64 {d0}, [r1], r2 vld1.64 {d1}, [r1], r2 vld1.64 {d2}, [r1], r2 pld [r1, r2, lsl #2] vld1.64 {d3}, [r1], r2 pld [r1] pld [r1, r2] pld [r1, r2, lsl #1] subs r3, r3, #4 vst1.64 {d0}, [r0,:64], r2 vst1.64 {d1}, [r0,:64], r2 vst1.64 {d2}, [r0,:64], r2 vst1.64 {d3}, [r0,:64], r2 bne 1b bx lr .endm .macro pixels8_x2 vhadd=vrhadd.u8 1: vld1.64 {d0, d1}, [r1], r2 vext.8 d1, d0, d1, #1 vld1.64 {d2, d3}, [r1], r2 vext.8 d3, d2, d3, #1 pld [r1] pld [r1, r2] subs r3, r3, #2 vswp d1, d2 \vhadd q0, q0, q1 vst1.64 {d0}, [r0,:64], r2 vst1.64 {d1}, [r0,:64], r2 bne 1b bx lr .endm .macro pixels8_y2 vhadd=vrhadd.u8 push {lr} add ip, r1, r2 lsl lr, r2, #1 vld1.64 {d0}, [r1], lr vld1.64 {d1}, [ip], lr 1: subs r3, r3, #2 \vhadd d4, d0, d1 vld1.64 {d0}, [r1], lr \vhadd d5, d0, d1 vld1.64 {d1}, [ip], lr pld [r1] pld [ip] vst1.64 {d4}, [r0,:64], r2 vst1.64 {d5}, [r0,:64], r2 bne 1b pop {pc} .endm .macro pixels8_xy2 vshrn=vrshrn.u16 no_rnd=0 push {lr} lsl lr, r2, #1 add ip, r1, r2 vld1.64 {d0, d1}, [r1], lr vld1.64 {d2, d3}, [ip], lr .if \no_rnd vmov.i16 q11, #1 .endif pld [r1] pld [ip] vext.8 d4, d0, d1, #1 vext.8 d6, d2, d3, #1 vaddl.u8 q8, d0, d4 vaddl.u8 q9, d2, d6 1: subs r3, r3, #2 vld1.64 {d0, d1}, [r1], lr pld [r1] vadd.u16 q10, q8, q9 vext.8 d4, d0, d1, #1 .if \no_rnd vadd.u16 q10, q10, q11 .endif vaddl.u8 q8, d0, d4 \vshrn d5, q10, #2 vld1.64 {d2, d3}, [ip], lr vadd.u16 q10, q8, q9 pld [ip] .if \no_rnd vadd.u16 q10, q10, q11 .endif vst1.64 {d5}, [r0,:64], r2 \vshrn d7, q10, #2 vext.8 d6, d2, d3, #1 vaddl.u8 q9, d2, d6 vst1.64 {d7}, [r0,:64], r2 bgt 1b pop {pc} .endm .macro pixfunc pfx name suf rnd_op args:vararg function ff_\pfx\name\suf\()_neon, export=1 \name \rnd_op \args .endfunc .endm .macro pixfunc2 pfx name args:vararg pixfunc \pfx \name pixfunc \pfx \name \args .endm function ff_put_h264_qpel16_mc00_neon, export=1 mov r3, #16 .endfunc pixfunc put_ pixels16 pixfunc2 put_ pixels16_x2, _no_rnd, vhadd.u8 pixfunc2 put_ pixels16_y2, _no_rnd, vhadd.u8 pixfunc2 put_ pixels16_xy2, _no_rnd, vshrn.u16, 1 function ff_avg_h264_qpel16_mc00_neon, export=1 mov r3, #16 .endfunc pixfunc avg_ pixels16,, 1 function ff_put_h264_qpel8_mc00_neon, export=1 mov r3, #8 .endfunc pixfunc put_ pixels8 pixfunc2 put_ pixels8_x2, _no_rnd, vhadd.u8 pixfunc2 put_ pixels8_y2, _no_rnd, vhadd.u8 pixfunc2 put_ pixels8_xy2, _no_rnd, vshrn.u16, 1