/** * VP8 NEON optimisations * * Copyright (c) 2010 Rob Clark <rob@ti.com> * Copyright (c) 2011 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" function ff_vp8_luma_dc_wht_neon, export=1 vld1.16 {q0-q1}, [r1,:128] vmov.i16 q15, #0 vadd.i16 d4, d0, d3 vadd.i16 d6, d1, d2 vst1.16 {q15}, [r1,:128]! vsub.i16 d7, d1, d2 vsub.i16 d5, d0, d3 vst1.16 {q15}, [r1,:128] vadd.i16 q0, q2, q3 vsub.i16 q1, q2, q3 vmov.i16 q8, #3 vtrn.32 d0, d2 vtrn.32 d1, d3 vtrn.16 d0, d1 vtrn.16 d2, d3 vadd.i16 d0, d0, d16 vadd.i16 d4, d0, d3 vadd.i16 d6, d1, d2 vsub.i16 d7, d1, d2 vsub.i16 d5, d0, d3 vadd.i16 q0, q2, q3 vsub.i16 q1, q2, q3 vshr.s16 q0, q0, #3 vshr.s16 q1, q1, #3 mov r3, #32 vst1.16 {d0[0]}, [r0,:16], r3 vst1.16 {d1[0]}, [r0,:16], r3 vst1.16 {d2[0]}, [r0,:16], r3 vst1.16 {d3[0]}, [r0,:16], r3 vst1.16 {d0[1]}, [r0,:16], r3 vst1.16 {d1[1]}, [r0,:16], r3 vst1.16 {d2[1]}, [r0,:16], r3 vst1.16 {d3[1]}, [r0,:16], r3 vst1.16 {d0[2]}, [r0,:16], r3 vst1.16 {d1[2]}, [r0,:16], r3 vst1.16 {d2[2]}, [r0,:16], r3 vst1.16 {d3[2]}, [r0,:16], r3 vst1.16 {d0[3]}, [r0,:16], r3 vst1.16 {d1[3]}, [r0,:16], r3 vst1.16 {d2[3]}, [r0,:16], r3 vst1.16 {d3[3]}, [r0,:16], r3 bx lr endfunc function ff_vp8_idct_add_neon, export=1 vld1.16 {q0-q1}, [r1,:128] movw r3, #20091 movt r3, #35468/2 vdup.32 d4, r3 vmull.s16 q12, d1, d4[0] vmull.s16 q13, d3, d4[0] vqdmulh.s16 d20, d1, d4[1] vqdmulh.s16 d23, d3, d4[1] vshrn.s32 d21, q12, #16 vshrn.s32 d22, q13, #16 vadd.s16 d21, d21, d1 vadd.s16 d22, d22, d3 vadd.s16 d16, d0, d2 vsub.s16 d17, d0, d2 vadd.s16 d18, d21, d23 vsub.s16 d19, d20, d22 vadd.s16 q0, q8, q9 vsub.s16 q1, q8, q9 vtrn.32 d0, d3 vtrn.32 d1, d2 vtrn.16 d0, d1 vtrn.16 d3, d2 vmov.i16 q15, #0 vmull.s16 q12, d1, d4[0] vst1.16 {q15}, [r1,:128]! vmull.s16 q13, d2, d4[0] vst1.16 {q15}, [r1,:128] vqdmulh.s16 d21, d1, d4[1] vqdmulh.s16 d23, d2, d4[1] vshrn.s32 d20, q12, #16 vshrn.s32 d22, q13, #16 vadd.i16 d20, d20, d1 vadd.i16 d22, d22, d2 vadd.i16 d16, d0, d3 vsub.i16 d17, d0, d3 vadd.i16 d18, d20, d23 vld1.32 {d20[]}, [r0,:32], r2 vsub.i16 d19, d21, d22 vld1.32 {d22[]}, [r0,:32], r2 vadd.s16 q0, q8, q9 vld1.32 {d23[]}, [r0,:32], r2 vsub.s16 q1, q8, q9 vld1.32 {d21[]}, [r0,:32], r2 vrshr.s16 q0, q0, #3 vtrn.32 q10, q11 vrshr.s16 q1, q1, #3 sub r0, r0, r2, lsl #2 vtrn.32 d0, d3 vtrn.32 d1, d2 vtrn.16 d0, d1 vtrn.16 d3, d2 vaddw.u8 q0, q0, d20 vaddw.u8 q1, q1, d21 vqmovun.s16 d0, q0 vqmovun.s16 d1, q1 vst1.32 {d0[0]}, [r0,:32], r2 vst1.32 {d0[1]}, [r0,:32], r2 vst1.32 {d1[1]}, [r0,:32], r2 vst1.32 {d1[0]}, [r0,:32], r2 bx lr endfunc function ff_vp8_idct_dc_add_neon, export=1 mov r3, #0 ldrsh r12, [r1] strh r3, [r1] vdup.16 q1, r12 vrshr.s16 q1, q1, #3 vld1.32 {d0[]}, [r0,:32], r2 vld1.32 {d1[]}, [r0,:32], r2 vld1.32 {d0[1]}, [r0,:32], r2 vld1.32 {d1[1]}, [r0,:32], r2 vaddw.u8 q2, q1, d0 vaddw.u8 q3, q1, d1 sub r0, r0, r2, lsl #2 vqmovun.s16 d0, q2 vqmovun.s16 d1, q3 vst1.32 {d0[0]}, [r0,:32], r2 vst1.32 {d1[0]}, [r0,:32], r2 vst1.32 {d0[1]}, [r0,:32], r2 vst1.32 {d1[1]}, [r0,:32], r2 bx lr endfunc function ff_vp8_idct_dc_add4uv_neon, export=1 vmov.i16 d0, #0 mov r3, #32 vld1.16 {d16[]}, [r1,:16] vst1.16 {d0[0]}, [r1,:16], r3 vld1.16 {d17[]}, [r1,:16] vst1.16 {d0[0]}, [r1,:16], r3 vld1.16 {d18[]}, [r1,:16] vst1.16 {d0[0]}, [r1,:16], r3 vld1.16 {d19[]}, [r1,:16] vst1.16 {d0[0]}, [r1,:16], r3 mov r3, r0 vrshr.s16 q8, q8, #3 @ dc >>= 3 vld1.8 {d0}, [r0,:64], r2 vrshr.s16 q9, q9, #3 vld1.8 {d1}, [r0,:64], r2 vaddw.u8 q10, q8, d0 vld1.8 {d2}, [r0,:64], r2 vaddw.u8 q0, q8, d1 vld1.8 {d3}, [r0,:64], r2 vaddw.u8 q11, q8, d2 vld1.8 {d4}, [r0,:64], r2 vaddw.u8 q1, q8, d3 vld1.8 {d5}, [r0,:64], r2 vaddw.u8 q12, q9, d4 vld1.8 {d6}, [r0,:64], r2 vaddw.u8 q2, q9, d5 vld1.8 {d7}, [r0,:64], r2 vaddw.u8 q13, q9, d6 vqmovun.s16 d20, q10 vaddw.u8 q3, q9, d7 vqmovun.s16 d21, q0 vqmovun.s16 d22, q11 vst1.8 {d20}, [r3,:64], r2 vqmovun.s16 d23, q1 vst1.8 {d21}, [r3,:64], r2 vqmovun.s16 d24, q12 vst1.8 {d22}, [r3,:64], r2 vqmovun.s16 d25, q2 vst1.8 {d23}, [r3,:64], r2 vqmovun.s16 d26, q13 vst1.8 {d24}, [r3,:64], r2 vqmovun.s16 d27, q3 vst1.8 {d25}, [r3,:64], r2 vst1.8 {d26}, [r3,:64], r2 vst1.8 {d27}, [r3,:64], r2 bx lr endfunc function ff_vp8_idct_dc_add4y_neon, export=1 vmov.i16 d0, #0 mov r3, #32 vld1.16 {d16[]}, [r1,:16] vst1.16 {d0[0]}, [r1,:16], r3 vld1.16 {d17[]}, [r1,:16] vst1.16 {d0[0]}, [r1,:16], r3 vld1.16 {d18[]}, [r1,:16] vst1.16 {d0[0]}, [r1,:16], r3 vld1.16 {d19[]}, [r1,:16] vst1.16 {d0[0]}, [r1,:16], r3 vrshr.s16 q8, q8, #3 @ dc >>= 3 vld1.8 {q0}, [r0,:128], r2 vrshr.s16 q9, q9, #3 vld1.8 {q1}, [r0,:128], r2 vaddw.u8 q10, q8, d0 vld1.8 {q2}, [r0,:128], r2 vaddw.u8 q0, q9, d1 vld1.8 {q3}, [r0,:128], r2 vaddw.u8 q11, q8, d2 vaddw.u8 q1, q9, d3 vaddw.u8 q12, q8, d4 vaddw.u8 q2, q9, d5 vaddw.u8 q13, q8, d6 vaddw.u8 q3, q9, d7 sub r0, r0, r2, lsl #2 vqmovun.s16 d20, q10 vqmovun.s16 d21, q0 vqmovun.s16 d22, q11 vqmovun.s16 d23, q1 vqmovun.s16 d24, q12 vst1.8 {q10}, [r0,:128], r2 vqmovun.s16 d25, q2 vst1.8 {q11}, [r0,:128], r2 vqmovun.s16 d26, q13 vst1.8 {q12}, [r0,:128], r2 vqmovun.s16 d27, q3 vst1.8 {q13}, [r0,:128], r2 bx lr endfunc @ Register layout: @ P3..Q3 -> q0..q7 @ flim_E -> q14 @ flim_I -> q15 @ hev_thresh -> r12 @ .macro vp8_loop_filter, inner=0, simple=0 .if \simple vabd.u8 q9, q3, q4 @ abs(P0-Q0) vabd.u8 q15, q2, q5 @ abs(P1-Q1) vqadd.u8 q9, q9, q9 @ abs(P0-Q0) * 2 vshr.u8 q10, q15, #1 @ abs(P1-Q1) / 2 vqadd.u8 q11, q9, q10 @ (abs(P0-Q0)*2) + (abs(P1-Q1)/2) vmov.i8 q13, #0x80 vcle.u8 q8, q11, q14 @ (abs(P0-Q0)*2) + (abs(P1-Q1)/2) <= flim .else @ calculate hev and normal_limit: vabd.u8 q12, q2, q3 @ abs(P1-P0) vabd.u8 q13, q5, q4 @ abs(Q1-Q0) vabd.u8 q10, q0, q1 @ abs(P3-P2) vabd.u8 q11, q1, q2 @ abs(P2-P1) vcle.u8 q8, q12, q15 @ abs(P1-P0) <= flim_I vcle.u8 q9, q13, q15 @ abs(Q1-Q0) <= flim_I vcle.u8 q10, q10, q15 @ abs(P3-P2) <= flim_I vcle.u8 q11, q11, q15 @ abs(P2-P1) <= flim_I vand q8, q8, q9 vabd.u8 q9, q7, q6 @ abs(Q3-Q2) vand q8, q8, q11 vabd.u8 q11, q6, q5 @ abs(Q2-Q1) vand q8, q8, q10 vcle.u8 q10, q9, q15 @ abs(Q3-Q2) <= flim_I vcle.u8 q11, q11, q15 @ abs(Q2-Q1) <= flim_I vabd.u8 q9, q3, q4 @ abs(P0-Q0) vabd.u8 q15, q2, q5 @ abs(P1-Q1) vand q8, q8, q10 vqadd.u8 q9, q9, q9 @ abs(P0-Q0) * 2 vand q8, q8, q11 vshr.u8 q10, q15, #1 @ abs(P1-Q1) / 2 vdup.8 q15, r12 @ hev_thresh vqadd.u8 q11, q9, q10 @ (abs(P0-Q0)*2) + (abs(P1-Q1)/2) vcgt.u8 q12, q12, q15 @ abs(P1-P0) > hev_thresh vcle.u8 q11, q11, q14 @ (abs(P0-Q0)*2) + (abs(P1-Q1)/2) <= flim_E vcgt.u8 q14, q13, q15 @ abs(Q1-Q0) > hev_thresh vand q8, q8, q11 vmov.i8 q13, #0x80 vorr q9, q12, q14 .endif @ at this point: @ q8: normal_limit @ q9: hev @ convert to signed value: veor q3, q3, q13 @ PS0 = P0 ^ 0x80 veor q4, q4, q13 @ QS0 = Q0 ^ 0x80 vmov.i16 q12, #3 vsubl.s8 q10, d8, d6 @ QS0 - PS0 vsubl.s8 q11, d9, d7 @ (widened to 16bit) veor q2, q2, q13 @ PS1 = P1 ^ 0x80 veor q5, q5, q13 @ QS1 = Q1 ^ 0x80 vmul.i16 q10, q10, q12 @ w = 3 * (QS0 - PS0) vmul.i16 q11, q11, q12 vqsub.s8 q12, q2, q5 @ clamp(PS1-QS1) vmov.i8 q14, #4 vmov.i8 q15, #3 .if \inner vand q12, q12, q9 @ if(hev) w += clamp(PS1-QS1) .endif vaddw.s8 q10, q10, d24 @ w += clamp(PS1-QS1) vaddw.s8 q11, q11, d25 vqmovn.s16 d20, q10 @ narrow result back into q10 vqmovn.s16 d21, q11 .if !\inner && !\simple veor q1, q1, q13 @ PS2 = P2 ^ 0x80 veor q6, q6, q13 @ QS2 = Q2 ^ 0x80 .endif vand q10, q10, q8 @ w &= normal_limit @ registers used at this point.. @ q0 -> P3 (don't corrupt) @ q1-q6 -> PS2-QS2 @ q7 -> Q3 (don't corrupt) @ q9 -> hev @ q10 -> w @ q13 -> #0x80 @ q14 -> #4 @ q15 -> #3 @ q8, q11, q12 -> unused @ filter_common: is4tap==1 @ c1 = clamp(w + 4) >> 3; @ c2 = clamp(w + 3) >> 3; @ Q0 = s2u(QS0 - c1); @ P0 = s2u(PS0 + c2); .if \simple vqadd.s8 q11, q10, q14 @ c1 = clamp((w&hev)+4) vqadd.s8 q12, q10, q15 @ c2 = clamp((w&hev)+3) vshr.s8 q11, q11, #3 @ c1 >>= 3 vshr.s8 q12, q12, #3 @ c2 >>= 3 vqsub.s8 q4, q4, q11 @ QS0 = clamp(QS0-c1) vqadd.s8 q3, q3, q12 @ PS0 = clamp(PS0+c2) veor q4, q4, q13 @ Q0 = QS0 ^ 0x80 veor q3, q3, q13 @ P0 = PS0 ^ 0x80 veor q5, q5, q13 @ Q1 = QS1 ^ 0x80 veor q2, q2, q13 @ P1 = PS1 ^ 0x80 .elseif \inner @ the !is4tap case of filter_common, only used for inner blocks @ c3 = ((c1&~hev) + 1) >> 1; @ Q1 = s2u(QS1 - c3); @ P1 = s2u(PS1 + c3); vqadd.s8 q11, q10, q14 @ c1 = clamp((w&hev)+4) vqadd.s8 q12, q10, q15 @ c2 = clamp((w&hev)+3) vshr.s8 q11, q11, #3 @ c1 >>= 3 vshr.s8 q12, q12, #3 @ c2 >>= 3 vqsub.s8 q4, q4, q11 @ QS0 = clamp(QS0-c1) vqadd.s8 q3, q3, q12 @ PS0 = clamp(PS0+c2) vbic q11, q11, q9 @ c1 & ~hev veor q4, q4, q13 @ Q0 = QS0 ^ 0x80 vrshr.s8 q11, q11, #1 @ c3 >>= 1 veor q3, q3, q13 @ P0 = PS0 ^ 0x80 vqsub.s8 q5, q5, q11 @ QS1 = clamp(QS1-c3) vqadd.s8 q2, q2, q11 @ PS1 = clamp(PS1+c3) veor q5, q5, q13 @ Q1 = QS1 ^ 0x80 veor q2, q2, q13 @ P1 = PS1 ^ 0x80 .else vand q12, q10, q9 @ w & hev vqadd.s8 q11, q12, q14 @ c1 = clamp((w&hev)+4) vqadd.s8 q12, q12, q15 @ c2 = clamp((w&hev)+3) vshr.s8 q11, q11, #3 @ c1 >>= 3 vshr.s8 q12, q12, #3 @ c2 >>= 3 vbic q10, q10, q9 @ w &= ~hev vqsub.s8 q4, q4, q11 @ QS0 = clamp(QS0-c1) vqadd.s8 q3, q3, q12 @ PS0 = clamp(PS0+c2) @ filter_mbedge: @ a = clamp((27*w + 63) >> 7); @ Q0 = s2u(QS0 - a); @ P0 = s2u(PS0 + a); @ a = clamp((18*w + 63) >> 7); @ Q1 = s2u(QS1 - a); @ P1 = s2u(PS1 + a); @ a = clamp((9*w + 63) >> 7); @ Q2 = s2u(QS2 - a); @ P2 = s2u(PS2 + a); vmov.i16 q9, #63 vshll.s8 q14, d20, #3 vshll.s8 q15, d21, #3 vaddw.s8 q14, q14, d20 vaddw.s8 q15, q15, d21 vadd.s16 q8, q9, q14 vadd.s16 q9, q9, q15 @ 9*w + 63 vadd.s16 q11, q8, q14 vadd.s16 q12, q9, q15 @ 18*w + 63 vadd.s16 q14, q11, q14 vadd.s16 q15, q12, q15 @ 27*w + 63 vqshrn.s16 d16, q8, #7 vqshrn.s16 d17, q9, #7 @ clamp(( 9*w + 63)>>7) vqshrn.s16 d22, q11, #7 vqshrn.s16 d23, q12, #7 @ clamp((18*w + 63)>>7) vqshrn.s16 d28, q14, #7 vqshrn.s16 d29, q15, #7 @ clamp((27*w + 63)>>7) vqadd.s8 q1, q1, q8 @ PS2 = clamp(PS2+a) vqsub.s8 q6, q6, q8 @ QS2 = clamp(QS2-a) vqadd.s8 q2, q2, q11 @ PS1 = clamp(PS1+a) vqsub.s8 q5, q5, q11 @ QS1 = clamp(QS1-a) vqadd.s8 q3, q3, q14 @ PS0 = clamp(PS0+a) vqsub.s8 q4, q4, q14 @ QS0 = clamp(QS0-a) veor q3, q3, q13 @ P0 = PS0 ^ 0x80 veor q4, q4, q13 @ Q0 = QS0 ^ 0x80 veor q2, q2, q13 @ P1 = PS1 ^ 0x80 veor q5, q5, q13 @ Q1 = QS1 ^ 0x80 veor q1, q1, q13 @ P2 = PS2 ^ 0x80 veor q6, q6, q13 @ Q2 = QS2 ^ 0x80 .endif .endm .macro transpose8x16matrix vtrn.32 q0, q4 vtrn.32 q1, q5 vtrn.32 q2, q6 vtrn.32 q3, q7 vtrn.16 q0, q2 vtrn.16 q1, q3 vtrn.16 q4, q6 vtrn.16 q5, q7 vtrn.8 q0, q1 vtrn.8 q2, q3 vtrn.8 q4, q5 vtrn.8 q6, q7 .endm .macro vp8_v_loop_filter16 name, inner=0, simple=0 function ff_vp8_v_loop_filter16\name\()_neon, export=1 vpush {q4-q7} sub r0, r0, r1, lsl #1+!\simple @ Load pixels: .if !\simple ldr r12, [sp, #64] @ hev_thresh vld1.8 {q0}, [r0,:128], r1 @ P3 vld1.8 {q1}, [r0,:128], r1 @ P2 .endif vld1.8 {q2}, [r0,:128], r1 @ P1 vld1.8 {q3}, [r0,:128], r1 @ P0 vld1.8 {q4}, [r0,:128], r1 @ Q0 vld1.8 {q5}, [r0,:128], r1 @ Q1 .if !\simple vld1.8 {q6}, [r0,:128], r1 @ Q2 vld1.8 {q7}, [r0,:128] @ Q3 vdup.8 q15, r3 @ flim_I .endif vdup.8 q14, r2 @ flim_E vp8_loop_filter inner=\inner, simple=\simple @ back up to P2: dst -= stride * 6 sub r0, r0, r1, lsl #2 .if !\simple sub r0, r0, r1, lsl #1 @ Store pixels: vst1.8 {q1}, [r0,:128], r1 @ P2 .endif vst1.8 {q2}, [r0,:128], r1 @ P1 vst1.8 {q3}, [r0,:128], r1 @ P0 vst1.8 {q4}, [r0,:128], r1 @ Q0 vst1.8 {q5}, [r0,:128], r1 @ Q1 .if !\simple vst1.8 {q6}, [r0,:128] @ Q2 .endif vpop {q4-q7} bx lr endfunc .endm vp8_v_loop_filter16 vp8_v_loop_filter16 _inner, inner=1 vp8_v_loop_filter16 _simple, simple=1 .macro vp8_v_loop_filter8uv name, inner=0 function ff_vp8_v_loop_filter8uv\name\()_neon, export=1 vpush {q4-q7} sub r0, r0, r2, lsl #2 sub r1, r1, r2, lsl #2 ldr r12, [sp, #64] @ flim_I @ Load pixels: vld1.8 {d0}, [r0,:64], r2 @ P3 vld1.8 {d1}, [r1,:64], r2 @ P3 vld1.8 {d2}, [r0,:64], r2 @ P2 vld1.8 {d3}, [r1,:64], r2 @ P2 vld1.8 {d4}, [r0,:64], r2 @ P1 vld1.8 {d5}, [r1,:64], r2 @ P1 vld1.8 {d6}, [r0,:64], r2 @ P0 vld1.8 {d7}, [r1,:64], r2 @ P0 vld1.8 {d8}, [r0,:64], r2 @ Q0 vld1.8 {d9}, [r1,:64], r2 @ Q0 vld1.8 {d10}, [r0,:64], r2 @ Q1 vld1.8 {d11}, [r1,:64], r2 @ Q1 vld1.8 {d12}, [r0,:64], r2 @ Q2 vld1.8 {d13}, [r1,:64], r2 @ Q2 vld1.8 {d14}, [r0,:64] @ Q3 vld1.8 {d15}, [r1,:64] @ Q3 vdup.8 q14, r3 @ flim_E vdup.8 q15, r12 @ flim_I ldr r12, [sp, #68] @ hev_thresh vp8_loop_filter inner=\inner @ back up to P2: u,v -= stride * 6 sub r0, r0, r2, lsl #2 sub r1, r1, r2, lsl #2 sub r0, r0, r2, lsl #1 sub r1, r1, r2, lsl #1 @ Store pixels: vst1.8 {d2}, [r0,:64], r2 @ P2 vst1.8 {d3}, [r1,:64], r2 @ P2 vst1.8 {d4}, [r0,:64], r2 @ P1 vst1.8 {d5}, [r1,:64], r2 @ P1 vst1.8 {d6}, [r0,:64], r2 @ P0 vst1.8 {d7}, [r1,:64], r2 @ P0 vst1.8 {d8}, [r0,:64], r2 @ Q0 vst1.8 {d9}, [r1,:64], r2 @ Q0 vst1.8 {d10}, [r0,:64], r2 @ Q1 vst1.8 {d11}, [r1,:64], r2 @ Q1 vst1.8 {d12}, [r0,:64] @ Q2 vst1.8 {d13}, [r1,:64] @ Q2 vpop {q4-q7} bx lr endfunc .endm vp8_v_loop_filter8uv vp8_v_loop_filter8uv _inner, inner=1 .macro vp8_h_loop_filter16 name, inner=0, simple=0 function ff_vp8_h_loop_filter16\name\()_neon, export=1 vpush {q4-q7} sub r0, r0, #4 .if !\simple ldr r12, [sp, #64] @ hev_thresh .endif @ Load pixels: vld1.8 {d0}, [r0], r1 @ load first 8-line src data vld1.8 {d2}, [r0], r1 vld1.8 {d4}, [r0], r1 vld1.8 {d6}, [r0], r1 vld1.8 {d8}, [r0], r1 vld1.8 {d10}, [r0], r1 vld1.8 {d12}, [r0], r1 vld1.8 {d14}, [r0], r1 vld1.8 {d1}, [r0], r1 @ load second 8-line src data vld1.8 {d3}, [r0], r1 vld1.8 {d5}, [r0], r1 vld1.8 {d7}, [r0], r1 vld1.8 {d9}, [r0], r1 vld1.8 {d11}, [r0], r1 vld1.8 {d13}, [r0], r1 vld1.8 {d15}, [r0], r1 transpose8x16matrix vdup.8 q14, r2 @ flim_E .if !\simple vdup.8 q15, r3 @ flim_I .endif vp8_loop_filter inner=\inner, simple=\simple sub r0, r0, r1, lsl #4 @ backup 16 rows transpose8x16matrix @ Store pixels: vst1.8 {d0}, [r0], r1 vst1.8 {d2}, [r0], r1 vst1.8 {d4}, [r0], r1 vst1.8 {d6}, [r0], r1 vst1.8 {d8}, [r0], r1 vst1.8 {d10}, [r0], r1 vst1.8 {d12}, [r0], r1 vst1.8 {d14}, [r0], r1 vst1.8 {d1}, [r0], r1 vst1.8 {d3}, [r0], r1 vst1.8 {d5}, [r0], r1 vst1.8 {d7}, [r0], r1 vst1.8 {d9}, [r0], r1 vst1.8 {d11}, [r0], r1 vst1.8 {d13}, [r0], r1 vst1.8 {d15}, [r0] vpop {q4-q7} bx lr endfunc .endm vp8_h_loop_filter16 vp8_h_loop_filter16 _inner, inner=1 vp8_h_loop_filter16 _simple, simple=1 .macro vp8_h_loop_filter8uv name, inner=0 function ff_vp8_h_loop_filter8uv\name\()_neon, export=1 vpush {q4-q7} sub r0, r0, #4 sub r1, r1, #4 ldr r12, [sp, #64] @ flim_I @ Load pixels: vld1.8 {d0}, [r0], r2 @ load u vld1.8 {d1}, [r1], r2 @ load v vld1.8 {d2}, [r0], r2 vld1.8 {d3}, [r1], r2 vld1.8 {d4}, [r0], r2 vld1.8 {d5}, [r1], r2 vld1.8 {d6}, [r0], r2 vld1.8 {d7}, [r1], r2 vld1.8 {d8}, [r0], r2 vld1.8 {d9}, [r1], r2 vld1.8 {d10}, [r0], r2 vld1.8 {d11}, [r1], r2 vld1.8 {d12}, [r0], r2 vld1.8 {d13}, [r1], r2 vld1.8 {d14}, [r0], r2 vld1.8 {d15}, [r1], r2 transpose8x16matrix vdup.8 q14, r3 @ flim_E vdup.8 q15, r12 @ flim_I ldr r12, [sp, #68] @ hev_thresh vp8_loop_filter inner=\inner sub r0, r0, r2, lsl #3 @ backup u 8 rows sub r1, r1, r2, lsl #3 @ backup v 8 rows transpose8x16matrix @ Store pixels: vst1.8 {d0}, [r0], r2 vst1.8 {d1}, [r1], r2 vst1.8 {d2}, [r0], r2 vst1.8 {d3}, [r1], r2 vst1.8 {d4}, [r0], r2 vst1.8 {d5}, [r1], r2 vst1.8 {d6}, [r0], r2 vst1.8 {d7}, [r1], r2 vst1.8 {d8}, [r0], r2 vst1.8 {d9}, [r1], r2 vst1.8 {d10}, [r0], r2 vst1.8 {d11}, [r1], r2 vst1.8 {d12}, [r0], r2 vst1.8 {d13}, [r1], r2 vst1.8 {d14}, [r0] vst1.8 {d15}, [r1] vpop {q4-q7} bx lr endfunc .endm vp8_h_loop_filter8uv vp8_h_loop_filter8uv _inner, inner=1 function ff_put_vp8_pixels16_neon, export=1 ldr r12, [sp, #0] @ h 1: subs r12, r12, #4 vld1.8 {q0}, [r2], r3 vld1.8 {q1}, [r2], r3 vld1.8 {q2}, [r2], r3 vld1.8 {q3}, [r2], r3 vst1.8 {q0}, [r0,:128], r1 vst1.8 {q1}, [r0,:128], r1 vst1.8 {q2}, [r0,:128], r1 vst1.8 {q3}, [r0,:128], r1 bgt 1b bx lr endfunc function ff_put_vp8_pixels8_neon, export=1 ldr r12, [sp, #0] @ h 1: subs r12, r12, #4 vld1.8 {d0}, [r2], r3 vld1.8 {d1}, [r2], r3 vld1.8 {d2}, [r2], r3 vld1.8 {d3}, [r2], r3 vst1.8 {d0}, [r0,:64], r1 vst1.8 {d1}, [r0,:64], r1 vst1.8 {d2}, [r0,:64], r1 vst1.8 {d3}, [r0,:64], r1 bgt 1b bx lr endfunc /* 4/6-tap 8th-pel MC */ .macro vp8_epel8_h6 d, a, b vext.8 d27, \a, \b, #1 vmovl.u8 q8, \a vext.8 d28, \a, \b, #2 vmovl.u8 q9, d27 vext.8 d29, \a, \b, #3 vmovl.u8 q10, d28 vext.8 d30, \a, \b, #4 vmovl.u8 q11, d29 vext.8 d31, \a, \b, #5 vmovl.u8 q12, d30 vmul.u16 q10, q10, d0[2] vmovl.u8 q13, d31 vmul.u16 q11, q11, d0[3] vmls.u16 q10, q9, d0[1] vmls.u16 q11, q12, d1[0] vmla.u16 q10, q8, d0[0] vmla.u16 q11, q13, d1[1] vqadd.s16 q11, q10, q11 vqrshrun.s16 \d, q11, #7 .endm .macro vp8_epel16_h6 d0, d1, s0, s1, s2, q0, q1 vext.8 q14, \q0, \q1, #3 vext.8 q15, \q0, \q1, #4 vmovl.u8 q11, d28 vmovl.u8 q14, d29 vext.8 q3, \q0, \q1, #2 vmovl.u8 q12, d30 vmovl.u8 q15, d31 vext.8 q8, \q0, \q1, #1 vmovl.u8 q10, d6 vmovl.u8 q3, d7 vext.8 q2, \q0, \q1, #5 vmovl.u8 q13, d4 vmovl.u8 q2, d5 vmovl.u8 q9, d16 vmovl.u8 q8, d17 vmul.u16 q11, q11, d0[3] vmul.u16 q10, q10, d0[2] vmul.u16 q3, q3, d0[2] vmul.u16 q14, q14, d0[3] vmls.u16 q11, q12, d1[0] vmovl.u8 q12, \s0 vmovl.u8 q1, \s1 vmls.u16 q10, q9, d0[1] vmls.u16 q3, q8, d0[1] vmls.u16 q14, q15, d1[0] vmla.u16 q10, q12, d0[0] vmla.u16 q11, q13, d1[1] vmla.u16 q3, q1, d0[0] vmla.u16 q14, q2, d1[1] vqadd.s16 q11, q10, q11 vqadd.s16 q14, q3, q14 vqrshrun.s16 \d0, q11, #7 vqrshrun.s16 \d1, q14, #7 .endm .macro vp8_epel8_v6 d0, s0, s1, s2, s3, s4, s5 vmovl.u8 q10, \s2 vmovl.u8 q11, \s3 vmovl.u8 q9, \s1 vmovl.u8 q12, \s4 vmovl.u8 q8, \s0 vmovl.u8 q13, \s5 vmul.u16 q10, q10, d0[2] vmul.u16 q11, q11, d0[3] vmls.u16 q10, q9, d0[1] vmls.u16 q11, q12, d1[0] vmla.u16 q10, q8, d0[0] vmla.u16 q11, q13, d1[1] vqadd.s16 q11, q10, q11 vqrshrun.s16 \d0, q11, #7 .endm .macro vp8_epel8_v6_y2 d0, d1, s0, s1, s2, s3, s4, s5, s6 vmovl.u8 q10, \s0 vmovl.u8 q11, \s3 vmovl.u8 q14, \s6 vmovl.u8 q9, \s1 vmovl.u8 q12, \s4 vmovl.u8 q8, \s2 vmovl.u8 q13, \s5 vmul.u16 q10, q10, d0[0] vmul.u16 q15, q11, d0[3] vmul.u16 q11, q11, d0[2] vmul.u16 q14, q14, d1[1] vmls.u16 q10, q9, d0[1] vmls.u16 q15, q12, d1[0] vmls.u16 q11, q8, d0[1] vmls.u16 q14, q13, d1[0] vmla.u16 q10, q8, d0[2] vmla.u16 q15, q13, d1[1] vmla.u16 q11, q9, d0[0] vmla.u16 q14, q12, d0[3] vqadd.s16 q15, q10, q15 vqadd.s16 q14, q11, q14 vqrshrun.s16 \d0, q15, #7 vqrshrun.s16 \d1, q14, #7 .endm .macro vp8_epel8_h4 d, a, b vext.8 d28, \a, \b, #1 vmovl.u8 q9, \a vext.8 d29, \a, \b, #2 vmovl.u8 q10, d28 vext.8 d30, \a, \b, #3 vmovl.u8 q11, d29 vmovl.u8 q12, d30 vmul.u16 q10, q10, d0[2] vmul.u16 q11, q11, d0[3] vmls.u16 q10, q9, d0[1] vmls.u16 q11, q12, d1[0] vqadd.s16 q11, q10, q11 vqrshrun.s16 \d, q11, #7 .endm .macro vp8_epel8_v4_y2 d0, d1, s0, s1, s2, s3, s4 vmovl.u8 q9, \s0 vmovl.u8 q10, \s1 vmovl.u8 q11, \s2 vmovl.u8 q12, \s3 vmovl.u8 q13, \s4 vmul.u16 q8, q10, d0[2] vmul.u16 q14, q11, d0[3] vmul.u16 q11, q11, d0[2] vmul.u16 q15, q12, d0[3] vmls.u16 q8, q9, d0[1] vmls.u16 q14, q12, d1[0] vmls.u16 q11, q10, d0[1] vmls.u16 q15, q13, d1[0] vqadd.s16 q8, q8, q14 vqadd.s16 q11, q11, q15 vqrshrun.s16 \d0, q8, #7 vqrshrun.s16 \d1, q11, #7 .endm function ff_put_vp8_epel16_v6_neon, export=1 sub r2, r2, r3, lsl #1 push {r4,lr} vpush {d8-d15} ldr r4, [sp, #80] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #72] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.8 {d2-d3}, [r2], r3 vld1.8 {d4-d5}, [r2], r3 vld1.8 {d6-d7}, [r2], r3 vld1.8 {d8-d9}, [r2], r3 vld1.8 {d10-d11},[r2], r3 vld1.8 {d12-d13},[r2], r3 vld1.8 {d14-d15},[r2] sub r2, r2, r3, lsl #2 vp8_epel8_v6_y2 d2, d4, d2, d4, d6, d8, d10, d12, d14 vp8_epel8_v6_y2 d3, d5, d3, d5, d7, d9, d11, d13, d15 vst1.8 {d2-d3}, [r0,:128], r1 vst1.8 {d4-d5}, [r0,:128], r1 subs r12, r12, #2 bne 1b vpop {d8-d15} pop {r4,pc} endfunc function ff_put_vp8_epel16_h6_neon, export=1 sub r2, r2, #2 push {r4,lr} ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.8 {d2-d4}, [r2], r3 vp8_epel16_h6 d2, d3, d2, d3, d4, q1, q2 vst1.8 {d2-d3}, [r0,:128], r1 subs r12, r12, #1 bne 1b pop {r4,pc} endfunc function ff_put_vp8_epel16_h6v6_neon, export=1 sub r2, r2, r3, lsl #1 sub r2, r2, #2 push {r4,lr} vpush {d8-d9} @ first pass (horizontal): ldr r4, [sp, #28] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #24] @ h add r4, lr, r4, lsl #4 sub sp, sp, #336+16 vld1.16 {q0}, [r4,:128] add lr, sp, #15 add r12, r12, #5 bic lr, lr, #15 1: vld1.8 {d2,d3,d4}, [r2], r3 vp8_epel16_h6 d2, d3, d2, d3, d4, q1, q2 vst1.8 {d2-d3}, [lr,:128]! subs r12, r12, #1 bne 1b @ second pass (vertical): ldr r4, [sp, #336+16+32] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #336+16+24] @ h add r4, lr, r4, lsl #4 add lr, sp, #15 vld1.16 {q0}, [r4,:128] bic lr, lr, #15 2: vld1.8 {d2-d5}, [lr,:128]! vld1.8 {d6-d9}, [lr,:128]! vld1.8 {d28-d31},[lr,:128] sub lr, lr, #48 vp8_epel8_v6 d2, d2, d4, d6, d8, d28, d30 vp8_epel8_v6 d3, d3, d5, d7, d9, d29, d31 vst1.8 {d2-d3}, [r0,:128], r1 subs r12, r12, #1 bne 2b add sp, sp, #336+16 vpop {d8-d9} pop {r4,pc} endfunc function ff_put_vp8_epel8_v6_neon, export=1 sub r2, r2, r3, lsl #1 push {r4,lr} ldr r4, [sp, #16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.8 {d2}, [r2], r3 vld1.8 {d3}, [r2], r3 vld1.8 {d4}, [r2], r3 vld1.8 {d5}, [r2], r3 vld1.8 {d6}, [r2], r3 vld1.8 {d7}, [r2], r3 vld1.8 {d28}, [r2] sub r2, r2, r3, lsl #2 vp8_epel8_v6_y2 d2, d3, d2, d3, d4, d5, d6, d7, d28 vst1.8 {d2}, [r0,:64], r1 vst1.8 {d3}, [r0,:64], r1 subs r12, r12, #2 bne 1b pop {r4,pc} endfunc function ff_put_vp8_epel8_h6_neon, export=1 sub r2, r2, #2 push {r4,lr} ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.8 {d2,d3}, [r2], r3 vp8_epel8_h6 d2, d2, d3 vst1.8 {d2}, [r0,:64], r1 subs r12, r12, #1 bne 1b pop {r4,pc} endfunc function ff_put_vp8_epel8_h6v6_neon, export=1 sub r2, r2, r3, lsl #1 sub r2, r2, #2 push {r4,lr} @ first pass (horizontal): ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 sub sp, sp, #168+16 vld1.16 {q0}, [r4,:128] add lr, sp, #15 add r12, r12, #5 bic lr, lr, #15 1: vld1.8 {d2,d3}, [r2], r3 vp8_epel8_h6 d2, d2, d3 vst1.8 {d2}, [lr,:64]! subs r12, r12, #1 bne 1b @ second pass (vertical): ldr r4, [sp, #168+16+16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #168+16+8] @ h add r4, lr, r4, lsl #4 add lr, sp, #15 vld1.16 {q0}, [r4,:128] bic lr, lr, #15 2: vld1.8 {d2-d5}, [lr,:128]! vld1.8 {d6-d7}, [lr,:128]! vld1.8 {d30}, [lr,:64] sub lr, lr, #32 vp8_epel8_v6_y2 d2, d3, d2, d3, d4, d5, d6, d7, d30 vst1.8 {d2}, [r0,:64], r1 vst1.8 {d3}, [r0,:64], r1 subs r12, r12, #2 bne 2b add sp, sp, #168+16 pop {r4,pc} endfunc function ff_put_vp8_epel8_v4_neon, export=1 sub r2, r2, r3 push {r4,lr} ldr r4, [sp, #16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.8 {d2}, [r2], r3 vld1.8 {d3}, [r2], r3 vld1.8 {d4}, [r2], r3 vld1.8 {d5}, [r2], r3 vld1.8 {d6}, [r2] sub r2, r2, r3, lsl #1 vp8_epel8_v4_y2 d2, d3, d2, d3, d4, d5, d6 vst1.8 {d2}, [r0,:64], r1 vst1.8 {d3}, [r0,:64], r1 subs r12, r12, #2 bne 1b pop {r4,pc} endfunc function ff_put_vp8_epel8_h4_neon, export=1 sub r2, r2, #1 push {r4,lr} ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.8 {d2,d3}, [r2], r3 vp8_epel8_h4 d2, d2, d3 vst1.8 {d2}, [r0,:64], r1 subs r12, r12, #1 bne 1b pop {r4,pc} endfunc function ff_put_vp8_epel8_h4v4_neon, export=1 sub r2, r2, r3 sub r2, r2, #1 push {r4,lr} @ first pass (horizontal): ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 sub sp, sp, #168+16 vld1.16 {q0}, [r4,:128] add lr, sp, #15 add r12, r12, #3 bic lr, lr, #15 1: vld1.8 {d2,d3}, [r2], r3 vp8_epel8_h4 d2, d2, d3 vst1.8 {d2}, [lr,:64]! subs r12, r12, #1 bne 1b @ second pass (vertical): ldr r4, [sp, #168+16+16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #168+16+8] @ h add r4, lr, r4, lsl #4 add lr, sp, #15 vld1.16 {q0}, [r4,:128] bic lr, lr, #15 2: vld1.8 {d2-d5}, [lr,:128]! vld1.8 {d6}, [lr,:64] sub lr, lr, #16 vp8_epel8_v4_y2 d2, d3, d2, d3, d4, d5, d6 vst1.8 {d2}, [r0,:64], r1 vst1.8 {d3}, [r0,:64], r1 subs r12, r12, #2 bne 2b add sp, sp, #168+16 pop {r4,pc} endfunc function ff_put_vp8_epel8_h6v4_neon, export=1 sub r2, r2, r3 sub r2, r2, #2 push {r4,lr} @ first pass (horizontal): ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 sub sp, sp, #168+16 vld1.16 {q0}, [r4,:128] add lr, sp, #15 add r12, r12, #3 bic lr, lr, #15 1: vld1.8 {d2,d3}, [r2], r3 vp8_epel8_h6 d2, d2, d3 vst1.8 {d2}, [lr,:64]! subs r12, r12, #1 bne 1b @ second pass (vertical): ldr r4, [sp, #168+16+16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #168+16+8] @ h add r4, lr, r4, lsl #4 add lr, sp, #15 vld1.16 {q0}, [r4,:128] bic lr, lr, #15 2: vld1.8 {d2-d5}, [lr,:128]! vld1.8 {d6}, [lr,:64] sub lr, lr, #16 vp8_epel8_v4_y2 d2, d3, d2, d3, d4, d5, d6 vst1.8 {d2}, [r0,:64], r1 vst1.8 {d3}, [r0,:64], r1 subs r12, r12, #2 bne 2b add sp, sp, #168+16 pop {r4,pc} endfunc function ff_put_vp8_epel8_h4v6_neon, export=1 sub r2, r2, r3, lsl #1 sub r2, r2, #1 push {r4,lr} @ first pass (horizontal): ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 sub sp, sp, #168+16 vld1.16 {q0}, [r4,:128] add lr, sp, #15 add r12, r12, #5 bic lr, lr, #15 1: vld1.8 {d2,d3}, [r2], r3 vp8_epel8_h4 d2, d2, d3 vst1.8 {d2}, [lr,:64]! subs r12, r12, #1 bne 1b @ second pass (vertical): ldr r4, [sp, #168+16+16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #168+16+8] @ h add r4, lr, r4, lsl #4 add lr, sp, #15 vld1.16 {q0}, [r4,:128] bic lr, lr, #15 2: vld1.8 {d2-d5}, [lr,:128]! vld1.8 {d6-d7}, [lr,:128]! vld1.8 {d30}, [lr,:64] sub lr, lr, #32 vp8_epel8_v6_y2 d2, d3, d2, d3, d4, d5, d6, d7, d30 vst1.8 {d2}, [r0,:64], r1 vst1.8 {d3}, [r0,:64], r1 subs r12, r12, #2 bne 2b add sp, sp, #168+16 pop {r4,pc} endfunc .ltorg function ff_put_vp8_epel4_v6_neon, export=1 sub r2, r2, r3, lsl #1 push {r4,lr} ldr r4, [sp, #16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.32 {d2[]}, [r2], r3 vld1.32 {d3[]}, [r2], r3 vld1.32 {d4[]}, [r2], r3 vld1.32 {d5[]}, [r2], r3 vld1.32 {d6[]}, [r2], r3 vld1.32 {d7[]}, [r2], r3 vld1.32 {d28[]}, [r2] sub r2, r2, r3, lsl #2 vld1.32 {d2[1]}, [r2], r3 vld1.32 {d3[1]}, [r2], r3 vld1.32 {d4[1]}, [r2], r3 vld1.32 {d5[1]}, [r2], r3 vld1.32 {d6[1]}, [r2], r3 vld1.32 {d7[1]}, [r2], r3 vld1.32 {d28[1]}, [r2] sub r2, r2, r3, lsl #2 vp8_epel8_v6_y2 d2, d3, d2, d3, d4, d5, d6, d7, d28 vst1.32 {d2[0]}, [r0,:32], r1 vst1.32 {d3[0]}, [r0,:32], r1 vst1.32 {d2[1]}, [r0,:32], r1 vst1.32 {d3[1]}, [r0,:32], r1 subs r12, r12, #4 bne 1b pop {r4,pc} endfunc function ff_put_vp8_epel4_h6_neon, export=1 sub r2, r2, #2 push {r4,lr} ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.8 {q1}, [r2], r3 vp8_epel8_h6 d2, d2, d3 vst1.32 {d2[0]}, [r0,:32], r1 subs r12, r12, #1 bne 1b pop {r4,pc} endfunc function ff_put_vp8_epel4_h6v6_neon, export=1 sub r2, r2, r3, lsl #1 sub r2, r2, #2 push {r4,lr} ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 sub sp, sp, #52+16 vld1.16 {q0}, [r4,:128] add lr, sp, #15 add r12, r12, #5 bic lr, lr, #15 1: vld1.8 {q1}, [r2], r3 vp8_epel8_h6 d2, d2, d3 vst1.32 {d2[0]}, [lr,:32]! subs r12, r12, #1 bne 1b ldr r4, [sp, #52+16+16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #52+16+8] @ h add r4, lr, r4, lsl #4 add lr, sp, #15 vld1.16 {q0}, [r4,:128] bic lr, lr, #15 2: vld1.8 {d2-d3}, [lr,:128]! vld1.8 {d6}, [lr,:64]! vld1.32 {d28[]}, [lr,:32] sub lr, lr, #16 vld1.8 {d4-d5}, [lr]! vld1.8 {d7}, [lr,:64]! vld1.32 {d28[1]}, [lr,:32] sub lr, lr, #16 vtrn.32 q1, q2 vtrn.32 d6, d7 vp8_epel8_v6_y2 d2, d3, d2, d4, d3, d5, d6, d7, d28 vst1.32 {d2[0]}, [r0,:32], r1 vst1.32 {d3[0]}, [r0,:32], r1 vst1.32 {d2[1]}, [r0,:32], r1 vst1.32 {d3[1]}, [r0,:32], r1 subs r12, r12, #4 bne 2b add sp, sp, #52+16 pop {r4,pc} endfunc function ff_put_vp8_epel4_h4v6_neon, export=1 sub r2, r2, r3, lsl #1 sub r2, r2, #1 push {r4,lr} ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 sub sp, sp, #52+16 vld1.16 {q0}, [r4,:128] add lr, sp, #15 add r12, r12, #5 bic lr, lr, #15 1: vld1.8 {d2}, [r2], r3 vp8_epel8_h4 d2, d2, d2 vst1.32 {d2[0]}, [lr,:32]! subs r12, r12, #1 bne 1b ldr r4, [sp, #52+16+16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #52+16+8] @ h add r4, lr, r4, lsl #4 add lr, sp, #15 vld1.16 {q0}, [r4,:128] bic lr, lr, #15 2: vld1.8 {d2-d3}, [lr,:128]! vld1.8 {d6}, [lr,:64]! vld1.32 {d28[]}, [lr,:32] sub lr, lr, #16 vld1.8 {d4-d5}, [lr]! vld1.8 {d7}, [lr,:64]! vld1.32 {d28[1]}, [lr,:32] sub lr, lr, #16 vtrn.32 q1, q2 vtrn.32 d6, d7 vp8_epel8_v6_y2 d2, d3, d2, d4, d3, d5, d6, d7, d28 vst1.32 {d2[0]}, [r0,:32], r1 vst1.32 {d3[0]}, [r0,:32], r1 vst1.32 {d2[1]}, [r0,:32], r1 vst1.32 {d3[1]}, [r0,:32], r1 subs r12, r12, #4 bne 2b add sp, sp, #52+16 pop {r4,pc} endfunc function ff_put_vp8_epel4_h6v4_neon, export=1 sub r2, r2, r3 sub r2, r2, #2 push {r4,lr} ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 sub sp, sp, #44+16 vld1.16 {q0}, [r4,:128] add lr, sp, #15 add r12, r12, #3 bic lr, lr, #15 1: vld1.8 {q1}, [r2], r3 vp8_epel8_h6 d2, d2, d3 vst1.32 {d2[0]}, [lr,:32]! subs r12, r12, #1 bne 1b ldr r4, [sp, #44+16+16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #44+16+8] @ h add r4, lr, r4, lsl #4 add lr, sp, #15 vld1.16 {q0}, [r4,:128] bic lr, lr, #15 2: vld1.8 {d2-d3}, [lr,:128]! vld1.32 {d6[]}, [lr,:32] sub lr, lr, #8 vld1.8 {d4-d5}, [lr]! vld1.32 {d6[1]}, [lr,:32] sub lr, lr, #8 vtrn.32 q1, q2 vp8_epel8_v4_y2 d2, d3, d2, d4, d3, d5, d6 vst1.32 {d2[0]}, [r0,:32], r1 vst1.32 {d3[0]}, [r0,:32], r1 vst1.32 {d2[1]}, [r0,:32], r1 vst1.32 {d3[1]}, [r0,:32], r1 subs r12, r12, #4 bne 2b add sp, sp, #44+16 pop {r4,pc} endfunc function ff_put_vp8_epel4_h4_neon, export=1 sub r2, r2, #1 push {r4,lr} ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.8 {d2}, [r2], r3 vp8_epel8_h4 d2, d2, d2 vst1.32 {d2[0]}, [r0,:32], r1 subs r12, r12, #1 bne 1b pop {r4,pc} endfunc function ff_put_vp8_epel4_v4_neon, export=1 sub r2, r2, r3 push {r4,lr} ldr r4, [sp, #16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 vld1.16 {q0}, [r4,:128] 1: vld1.32 {d2[]}, [r2], r3 vld1.32 {d3[]}, [r2], r3 vld1.32 {d4[]}, [r2], r3 vld1.32 {d5[]}, [r2], r3 vld1.32 {d6[]}, [r2] sub r2, r2, r3, lsl #1 vld1.32 {d2[1]}, [r2], r3 vld1.32 {d3[1]}, [r2], r3 vld1.32 {d4[1]}, [r2], r3 vld1.32 {d5[1]}, [r2], r3 vld1.32 {d6[1]}, [r2] sub r2, r2, r3, lsl #1 vp8_epel8_v4_y2 d2, d3, d2, d3, d4, d5, d6 vst1.32 {d2[0]}, [r0,:32], r1 vst1.32 {d3[0]}, [r0,:32], r1 vst1.32 {d2[1]}, [r0,:32], r1 vst1.32 {d3[1]}, [r0,:32], r1 subs r12, r12, #4 bne 1b pop {r4,pc} endfunc function ff_put_vp8_epel4_h4v4_neon, export=1 sub r2, r2, r3 sub r2, r2, #1 push {r4,lr} ldr r4, [sp, #12] @ mx movrel lr, subpel_filters-16 ldr r12, [sp, #8] @ h add r4, lr, r4, lsl #4 sub sp, sp, #44+16 vld1.16 {q0}, [r4,:128] add lr, sp, #15 add r12, r12, #3 bic lr, lr, #15 1: vld1.8 {d2}, [r2], r3 vp8_epel8_h4 d2, d2, d3 vst1.32 {d2[0]}, [lr,:32]! subs r12, r12, #1 bne 1b ldr r4, [sp, #44+16+16] @ my movrel lr, subpel_filters-16 ldr r12, [sp, #44+16+8] @ h add r4, lr, r4, lsl #4 add lr, sp, #15 vld1.16 {q0}, [r4,:128] bic lr, lr, #15 2: vld1.8 {d2-d3}, [lr,:128]! vld1.32 {d6[]}, [lr,:32] sub lr, lr, #8 vld1.8 {d4-d5}, [lr]! vld1.32 {d6[1]}, [lr,:32] sub lr, lr, #8 vtrn.32 q1, q2 vp8_epel8_v4_y2 d2, d3, d2, d4, d3, d5, d6 vst1.32 {d2[0]}, [r0,:32], r1 vst1.32 {d3[0]}, [r0,:32], r1 vst1.32 {d2[1]}, [r0,:32], r1 vst1.32 {d3[1]}, [r0,:32], r1 subs r12, r12, #4 bne 2b add sp, sp, #44+16 pop {r4,pc} endfunc @ note: worst case sum of all 6-tap filter values * 255 is 0x7f80 so 16 bit @ arithmatic can be used to apply filters const subpel_filters, align=4 .short 0, 6, 123, 12, 1, 0, 0, 0 .short 2, 11, 108, 36, 8, 1, 0, 0 .short 0, 9, 93, 50, 6, 0, 0, 0 .short 3, 16, 77, 77, 16, 3, 0, 0 .short 0, 6, 50, 93, 9, 0, 0, 0 .short 1, 8, 36, 108, 11, 2, 0, 0 .short 0, 1, 12, 123, 6, 0, 0, 0 endconst /* Bilinear MC */ function ff_put_vp8_bilin16_h_neon, export=1 ldr r3, [sp, #4] @ mx rsb r12, r3, #8 vdup.8 d0, r3 vdup.8 d1, r12 ldr r12, [sp] @ h 1: subs r12, r12, #2 vld1.8 {d2-d4}, [r2], r1 vext.8 q2, q1, q2, #1 vmull.u8 q8, d2, d1 vmlal.u8 q8, d4, d0 vld1.8 {d18-d20},[r2], r1 vmull.u8 q3, d3, d1 vmlal.u8 q3, d5, d0 vext.8 q10, q9, q10, #1 vmull.u8 q11, d18, d1 vmlal.u8 q11, d20, d0 vmull.u8 q12, d19, d1 vmlal.u8 q12, d21, d0 vrshrn.u16 d4, q8, #3 vrshrn.u16 d5, q3, #3 vrshrn.u16 d6, q11, #3 vrshrn.u16 d7, q12, #3 vst1.8 {q2}, [r0,:128], r1 vst1.8 {q3}, [r0,:128], r1 bgt 1b bx lr endfunc function ff_put_vp8_bilin16_v_neon, export=1 ldr r3, [sp, #8] @ my rsb r12, r3, #8 vdup.8 d0, r3 vdup.8 d1, r12 ldr r12, [sp] @ h vld1.8 {q1}, [r2], r1 1: subs r12, r12, #2 vld1.8 {q2}, [r2], r1 vmull.u8 q3, d2, d1 vmlal.u8 q3, d4, d0 vmull.u8 q8, d3, d1 vmlal.u8 q8, d5, d0 vld1.8 {q1}, [r2], r1 vmull.u8 q9, d4, d1 vmlal.u8 q9, d2, d0 vmull.u8 q10, d5, d1 vmlal.u8 q10, d3, d0 vrshrn.u16 d4, q3, #3 vrshrn.u16 d5, q8, #3 vrshrn.u16 d6, q9, #3 vrshrn.u16 d7, q10, #3 vst1.8 {q2}, [r0,:128], r1 vst1.8 {q3}, [r0,:128], r1 bgt 1b bx lr endfunc function ff_put_vp8_bilin16_hv_neon, export=1 ldr r3, [sp, #4] @ mx rsb r12, r3, #8 vdup.8 d0, r3 vdup.8 d1, r12 ldr r3, [sp, #8] @ my rsb r12, r3, #8 vdup.8 d2, r3 vdup.8 d3, r12 ldr r12, [sp] @ h vld1.8 {d4-d6}, [r2], r1 vext.8 q3, q2, q3, #1 vmull.u8 q8, d4, d1 vmlal.u8 q8, d6, d0 vmull.u8 q9, d5, d1 vmlal.u8 q9, d7, d0 vrshrn.u16 d4, q8, #3 vrshrn.u16 d5, q9, #3 1: subs r12, r12, #2 vld1.8 {d18-d20},[r2], r1 vext.8 q10, q9, q10, #1 vmull.u8 q11, d18, d1 vmlal.u8 q11, d20, d0 vld1.8 {d26-d28},[r2], r1 vmull.u8 q12, d19, d1 vmlal.u8 q12, d21, d0 vext.8 q14, q13, q14, #1 vmull.u8 q8, d26, d1 vmlal.u8 q8, d28, d0 vmull.u8 q9, d27, d1 vmlal.u8 q9, d29, d0 vrshrn.u16 d6, q11, #3 vrshrn.u16 d7, q12, #3 vmull.u8 q12, d4, d3 vmlal.u8 q12, d6, d2 vmull.u8 q15, d5, d3 vmlal.u8 q15, d7, d2 vrshrn.u16 d4, q8, #3 vrshrn.u16 d5, q9, #3 vmull.u8 q10, d6, d3 vmlal.u8 q10, d4, d2 vmull.u8 q11, d7, d3 vmlal.u8 q11, d5, d2 vrshrn.u16 d24, q12, #3 vrshrn.u16 d25, q15, #3 vst1.8 {q12}, [r0,:128], r1 vrshrn.u16 d20, q10, #3 vrshrn.u16 d21, q11, #3 vst1.8 {q10}, [r0,:128], r1 bgt 1b bx lr endfunc function ff_put_vp8_bilin8_h_neon, export=1 ldr r3, [sp, #4] @ mx rsb r12, r3, #8 vdup.8 d0, r3 vdup.8 d1, r12 ldr r12, [sp] @ h 1: subs r12, r12, #2 vld1.8 {q1}, [r2], r1 vext.8 d3, d2, d3, #1 vmull.u8 q2, d2, d1 vmlal.u8 q2, d3, d0 vld1.8 {q3}, [r2], r1 vext.8 d7, d6, d7, #1 vmull.u8 q8, d6, d1 vmlal.u8 q8, d7, d0 vrshrn.u16 d4, q2, #3 vrshrn.u16 d16, q8, #3 vst1.8 {d4}, [r0,:64], r1 vst1.8 {d16}, [r0,:64], r1 bgt 1b bx lr endfunc function ff_put_vp8_bilin8_v_neon, export=1 ldr r3, [sp, #8] @ my rsb r12, r3, #8 vdup.8 d0, r3 vdup.8 d1, r12 ldr r12, [sp] @ h vld1.8 {d2}, [r2], r1 1: subs r12, r12, #2 vld1.8 {d3}, [r2], r1 vmull.u8 q2, d2, d1 vmlal.u8 q2, d3, d0 vld1.8 {d2}, [r2], r1 vmull.u8 q3, d3, d1 vmlal.u8 q3, d2, d0 vrshrn.u16 d4, q2, #3 vrshrn.u16 d6, q3, #3 vst1.8 {d4}, [r0,:64], r1 vst1.8 {d6}, [r0,:64], r1 bgt 1b bx lr endfunc function ff_put_vp8_bilin8_hv_neon, export=1 ldr r3, [sp, #4] @ mx rsb r12, r3, #8 vdup.8 d0, r3 vdup.8 d1, r12 ldr r3, [sp, #8] @ my rsb r12, r3, #8 vdup.8 d2, r3 vdup.8 d3, r12 ldr r12, [sp] @ h vld1.8 {q2}, [r2], r1 vext.8 d5, d4, d5, #1 vmull.u8 q9, d4, d1 vmlal.u8 q9, d5, d0 vrshrn.u16 d22, q9, #3 1: subs r12, r12, #2 vld1.8 {q3}, [r2], r1 vext.8 d7, d6, d7, #1 vmull.u8 q8, d6, d1 vmlal.u8 q8, d7, d0 vld1.8 {q2}, [r2], r1 vext.8 d5, d4, d5, #1 vmull.u8 q9, d4, d1 vmlal.u8 q9, d5, d0 vrshrn.u16 d16, q8, #3 vmull.u8 q10, d22, d3 vmlal.u8 q10, d16, d2 vrshrn.u16 d22, q9, #3 vmull.u8 q12, d16, d3 vmlal.u8 q12, d22, d2 vrshrn.u16 d20, q10, #3 vst1.8 {d20}, [r0,:64], r1 vrshrn.u16 d23, q12, #3 vst1.8 {d23}, [r0,:64], r1 bgt 1b bx lr endfunc function ff_put_vp8_bilin4_h_neon, export=1 ldr r3, [sp, #4] @ mx rsb r12, r3, #8 vdup.8 d0, r3 vdup.8 d1, r12 ldr r12, [sp] @ h 1: subs r12, r12, #2 vld1.8 {d2}, [r2], r1 vext.8 d3, d2, d3, #1 vld1.8 {d6}, [r2], r1 vext.8 d7, d6, d7, #1 vtrn.32 q1, q3 vmull.u8 q2, d2, d1 vmlal.u8 q2, d3, d0 vrshrn.u16 d4, q2, #3 vst1.32 {d4[0]}, [r0,:32], r1 vst1.32 {d4[1]}, [r0,:32], r1 bgt 1b bx lr endfunc function ff_put_vp8_bilin4_v_neon, export=1 ldr r3, [sp, #8] @ my rsb r12, r3, #8 vdup.8 d0, r3 vdup.8 d1, r12 ldr r12, [sp] @ h vld1.32 {d2[]}, [r2], r1 1: vld1.32 {d3[]}, [r2] vld1.32 {d2[1]}, [r2], r1 vld1.32 {d3[1]}, [r2], r1 vmull.u8 q2, d2, d1 vmlal.u8 q2, d3, d0 vtrn.32 d3, d2 vrshrn.u16 d4, q2, #3 vst1.32 {d4[0]}, [r0,:32], r1 vst1.32 {d4[1]}, [r0,:32], r1 subs r12, r12, #2 bgt 1b bx lr endfunc function ff_put_vp8_bilin4_hv_neon, export=1 ldr r3, [sp, #4] @ mx rsb r12, r3, #8 vdup.8 d0, r3 vdup.8 d1, r12 ldr r3, [sp, #8] @ my rsb r12, r3, #8 vdup.8 d2, r3 vdup.8 d3, r12 ldr r12, [sp] @ h vld1.8 {d4}, [r2], r1 vext.8 d5, d4, d4, #1 vmull.u8 q9, d4, d1 vmlal.u8 q9, d5, d0 vrshrn.u16 d22, q9, #3 1: subs r12, r12, #2 vld1.8 {d6}, [r2], r1 vext.8 d7, d6, d6, #1 vld1.8 {d4}, [r2], r1 vext.8 d5, d4, d4, #1 vtrn.32 q3, q2 vmull.u8 q8, d6, d1 vmlal.u8 q8, d7, d0 vrshrn.u16 d16, q8, #3 vmull.u8 q10, d16, d2 vtrn.32 d22, d16 vmlal.u8 q10, d22, d3 vrev64.32 d22, d16 vrshrn.u16 d20, q10, #3 vst1.32 {d20[0]}, [r0,:32], r1 vst1.32 {d20[1]}, [r0,:32], r1 bgt 1b bx lr endfunc