| /* -*-arm64-*- |
| * vim: syntax=arm64asm |
| * |
| * Copyright (c) 2014 Seppo Tomperi <seppo.tomperi@vtt.fi> |
| * Copyright (c) 2023 J. Dekker <jdek@itanimul.li> |
| * |
| * 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/aarch64/asm.S" |
| #include "neon.S" |
| |
| .macro hevc_loop_filter_chroma_start bitdepth |
| mov x4, x30 |
| ldr w14, [x2] |
| ldr w15, [x2, #4] |
| .if \bitdepth > 8 |
| lsl w14, w14, #(\bitdepth - 8) |
| lsl w15, w15, #(\bitdepth - 8) |
| .endif |
| adds w2, w14, w15 |
| b.eq 1f |
| dup v16.4h, w14 |
| dup v17.4h, w15 |
| trn1 v16.2d, v16.2d, v17.2d |
| .if \bitdepth > 8 |
| mvni v19.8h, #((0xff << (\bitdepth - 8)) & 0xff), lsl #8 |
| movi v18.8h, #0 |
| .endif |
| neg v17.8h, v16.8h |
| .endm |
| |
| .macro hevc_loop_filter_chroma_body bitdepth |
| .if \bitdepth <= 8 |
| uxtl v20.8h, v0.8b // p1 |
| uxtl v1.8h, v1.8b // p0 |
| uxtl v2.8h, v2.8b // q0 |
| uxtl v23.8h, v3.8b // q1 |
| va .req v20 |
| vb .req v23 |
| .else // required to specify both cases as we are unable to do: v0 .req v20 |
| va .req v0 |
| vb .req v3 |
| .endif |
| sub v5.8h, v2.8h, v1.8h // q0 - p0 |
| sub v6.8h, va.8h, vb.8h // p1 - q1 |
| shl v5.8h, v5.8h, #2 |
| add v5.8h, v6.8h, v5.8h |
| srshr v5.8h, v5.8h, #3 |
| clip v17.8h, v16.8h, v5.8h |
| sqadd v1.8h, v1.8h, v5.8h // p0 + delta |
| sqsub v2.8h, v2.8h, v5.8h // q0 - delta |
| .if \bitdepth <= 8 |
| sqxtun v1.8b, v1.8h |
| sqxtun v2.8b, v2.8h |
| .else |
| clip v18.8h, v19.8h, v1.8h, v2.8h |
| .endif |
| .unreq va |
| .unreq vb |
| .endm |
| |
| function hevc_loop_filter_chroma_body_8_neon, export=0 |
| hevc_loop_filter_chroma_body 8 |
| ret |
| endfunc |
| |
| function hevc_loop_filter_chroma_body_10_neon, export=0 |
| hevc_loop_filter_chroma_body_12_neon: |
| hevc_loop_filter_chroma_body 10 |
| ret |
| endfunc |
| |
| // void ff_hevc_h_loop_filter_chroma_8_neon(uint8_t *_pix, ptrdiff_t _stride, int *_tc, uint8_t *_no_p, uint8_t *_no_q); |
| |
| .macro hevc_h_loop_filter_chroma bitdepth |
| function ff_hevc_h_loop_filter_chroma_\bitdepth\()_neon, export=1 |
| hevc_loop_filter_chroma_start \bitdepth |
| sub x0, x0, x1, lsl #1 |
| .if \bitdepth > 8 |
| ld1 {v0.8h}, [x0], x1 |
| ld1 {v1.8h}, [x0], x1 |
| ld1 {v2.8h}, [x0], x1 |
| ld1 {v3.8h}, [x0] |
| .else |
| ld1 {v0.8b}, [x0], x1 |
| ld1 {v1.8b}, [x0], x1 |
| ld1 {v2.8b}, [x0], x1 |
| ld1 {v3.8b}, [x0] |
| .endif |
| sub x0, x0, x1, lsl #1 |
| bl hevc_loop_filter_chroma_body_\bitdepth\()_neon |
| .if \bitdepth > 8 |
| st1 {v1.8h}, [x0], x1 |
| st1 {v2.8h}, [x0] |
| .else |
| st1 {v1.8b}, [x0], x1 |
| st1 {v2.8b}, [x0] |
| .endif |
| 1: ret x4 |
| endfunc |
| .endm |
| |
| .macro hevc_v_loop_filter_chroma bitdepth |
| function ff_hevc_v_loop_filter_chroma_\bitdepth\()_neon, export=1 |
| hevc_loop_filter_chroma_start \bitdepth |
| .if \bitdepth > 8 |
| sub x0, x0, #4 |
| add x3, x0, x1 |
| lsl x1, x1, #1 |
| ld1 {v0.d}[0], [x0], x1 |
| ld1 {v1.d}[0], [x3], x1 |
| ld1 {v2.d}[0], [x0], x1 |
| ld1 {v3.d}[0], [x3], x1 |
| ld1 {v0.d}[1], [x0], x1 |
| ld1 {v1.d}[1], [x3], x1 |
| ld1 {v2.d}[1], [x0], x1 |
| ld1 {v3.d}[1], [x3], x1 |
| transpose_4x8H v0, v1, v2, v3, v28, v29, v30, v31 |
| .else |
| sub x0, x0, #2 |
| add x3, x0, x1 |
| lsl x1, x1, #1 |
| ld1 {v0.s}[0], [x0], x1 |
| ld1 {v1.s}[0], [x3], x1 |
| ld1 {v2.s}[0], [x0], x1 |
| ld1 {v3.s}[0], [x3], x1 |
| ld1 {v0.s}[1], [x0], x1 |
| ld1 {v1.s}[1], [x3], x1 |
| ld1 {v2.s}[1], [x0], x1 |
| ld1 {v3.s}[1], [x3], x1 |
| transpose_4x8B v0, v1, v2, v3, v28, v29, v30, v31 |
| .endif |
| sub x0, x0, x1, lsl #2 |
| sub x3, x3, x1, lsl #2 |
| bl hevc_loop_filter_chroma_body_\bitdepth\()_neon |
| .if \bitdepth > 8 |
| transpose_4x8H v0, v1, v2, v3, v28, v29, v30, v31 |
| st1 {v0.d}[0], [x0], x1 |
| st1 {v1.d}[0], [x3], x1 |
| st1 {v2.d}[0], [x0], x1 |
| st1 {v3.d}[0], [x3], x1 |
| st1 {v0.d}[1], [x0], x1 |
| st1 {v1.d}[1], [x3], x1 |
| st1 {v2.d}[1], [x0], x1 |
| st1 {v3.d}[1], [x3] |
| .else |
| transpose_4x8B v0, v1, v2, v3, v28, v29, v30, v31 |
| st1 {v0.s}[0], [x0], x1 |
| st1 {v1.s}[0], [x3], x1 |
| st1 {v2.s}[0], [x0], x1 |
| st1 {v3.s}[0], [x3], x1 |
| st1 {v0.s}[1], [x0], x1 |
| st1 {v1.s}[1], [x3], x1 |
| st1 {v2.s}[1], [x0], x1 |
| st1 {v3.s}[1], [x3] |
| .endif |
| 1: ret x4 |
| endfunc |
| .endm |
| |
| hevc_h_loop_filter_chroma 8 |
| hevc_h_loop_filter_chroma 10 |
| hevc_h_loop_filter_chroma 12 |
| |
| hevc_v_loop_filter_chroma 8 |
| hevc_v_loop_filter_chroma 10 |
| hevc_v_loop_filter_chroma 12 |
| |
| .macro hevc_loop_filter_luma_body bitdepth |
| function hevc_loop_filter_luma_body_\bitdepth\()_neon, export=0 |
| .if \bitdepth > 8 |
| lsl w2, w2, #(\bitdepth - 8) // beta <<= BIT_DEPTH - 8 |
| .else |
| uxtl v0.8h, v0.8b |
| uxtl v1.8h, v1.8b |
| uxtl v2.8h, v2.8b |
| uxtl v3.8h, v3.8b |
| uxtl v4.8h, v4.8b |
| uxtl v5.8h, v5.8b |
| uxtl v6.8h, v6.8b |
| uxtl v7.8h, v7.8b |
| .endif |
| ldr w7, [x3] // tc[0] |
| ldr w8, [x3, #4] // tc[1] |
| dup v18.4h, w7 |
| dup v19.4h, w8 |
| trn1 v18.2d, v18.2d, v19.2d |
| .if \bitdepth > 8 |
| shl v18.8h, v18.8h, #(\bitdepth - 8) |
| .endif |
| dup v27.8h, w2 // beta |
| // tc25 |
| shl v19.8h, v18.8h, #2 // * 4 |
| add v19.8h, v19.8h, v18.8h // (tc * 5) |
| srshr v19.8h, v19.8h, #1 // (tc * 5 + 1) >> 1 |
| sshr v17.8h, v27.8h, #2 // beta2 |
| |
| ////// beta_2 check |
| // dp0 = abs(P2 - 2 * P1 + P0) |
| add v22.8h, v3.8h, v1.8h |
| shl v23.8h, v2.8h, #1 |
| sabd v30.8h, v22.8h, v23.8h |
| // dq0 = abs(Q2 - 2 * Q1 + Q0) |
| add v21.8h, v6.8h, v4.8h |
| shl v26.8h, v5.8h, #1 |
| sabd v31.8h, v21.8h, v26.8h |
| // d0 = dp0 + dq0 |
| add v20.8h, v30.8h, v31.8h |
| shl v25.8h, v20.8h, #1 |
| // (d0 << 1) < beta_2 |
| cmgt v23.8h, v17.8h, v25.8h |
| |
| ////// beta check |
| // d0 + d3 < beta |
| mov x9, #0xFFFF00000000FFFF |
| dup v24.2d, x9 |
| and v25.16b, v24.16b, v20.16b |
| addp v25.8h, v25.8h, v25.8h // 1+0 0+1 1+0 0+1 |
| addp v25.4h, v25.4h, v25.4h // 1+0+0+1 1+0+0+1 |
| cmgt v25.4h, v27.4h, v25.4h // lower/upper mask in h[0/1] |
| mov w9, v25.s[0] |
| cmp w9, #0 |
| sxtl v26.4s, v25.4h |
| sxtl v16.2d, v26.2s // full skip mask |
| b.eq 3f // skip both blocks |
| |
| // TODO: we can check the full skip mask with the weak/strong mask to |
| // potentially skip weak or strong calculation entirely if we only have one |
| |
| ////// beta_3 check |
| // abs(P3 - P0) + abs(Q3 - Q0) < beta_3 |
| sshr v17.8h, v17.8h, #1 // beta_3 |
| sabd v20.8h, v0.8h, v3.8h |
| saba v20.8h, v7.8h, v4.8h |
| cmgt v21.8h, v17.8h, v20.8h |
| |
| and v23.16b, v23.16b, v21.16b |
| |
| ////// tc25 check |
| // abs(P0 - Q0) < tc25 |
| sabd v20.8h, v3.8h, v4.8h |
| cmgt v21.8h, v19.8h, v20.8h |
| |
| and v23.16b, v23.16b, v21.16b |
| |
| ////// Generate low/high line max from lines 0/3/4/7 |
| // mask out lines 2/3/5/6 |
| not v20.16b, v24.16b // 0x0000FFFFFFFF0000 |
| orr v23.16b, v23.16b, v20.16b |
| |
| // generate weak/strong mask |
| uminp v23.8h, v23.8h, v23.8h // extend to singles |
| sxtl v23.4s, v23.4h |
| uminp v26.4s, v23.4s, v23.4s // check lines |
| // extract to gpr |
| ext v25.16b, v26.16b, v26.16b, #2 |
| zip1 v17.4s, v26.4s, v26.4s |
| mov w12, v25.s[0] |
| mov w11, #0x0000FFFF |
| mov w13, #0xFFFF0000 |
| // FFFF FFFF -> strong strong |
| // FFFF 0000 -> strong weak |
| // 0000 FFFF -> weak strong |
| // 0000 0000 -> weak weak |
| cmp w12, w13 |
| b.hi 0f // only strong/strong, skip weak nd_p/nd_q calc |
| |
| ////// weak nd_p/nd_q |
| // d0+d3 |
| and v30.16b, v30.16b, v24.16b // d0 __ __ d3 d4 __ __ d7 |
| and v31.16b, v31.16b, v24.16b |
| addp v30.8h, v30.8h, v30.8h // [d0+__ __+d3 d4+__ __+d7] [ ... ] |
| addp v31.8h, v31.8h, v31.8h // [d0+d3 d4+d7] |
| addp v30.4h, v30.4h, v30.4h |
| addp v31.4h, v31.4h, v31.4h |
| |
| // ((beta + (beta >> 1)) >> 3) |
| sshr v21.8h, v27.8h, #1 |
| add v21.8h, v21.8h, v27.8h |
| sshr v21.8h, v21.8h, #3 |
| |
| // nd_p = dp0 + dp3 < ((beta + (beta >> 1)) >> 3) |
| cmgt v30.8h, v21.8h, v30.8h |
| // nd_q = dq0 + dq3 < ((beta + (beta >> 1)) >> 3) |
| cmgt v31.8h, v21.8h, v31.8h |
| |
| sxtl v30.4s, v30.4h |
| sxtl v31.4s, v31.4h |
| sxtl v28.2d, v30.2s |
| sxtl v29.2d, v31.2s |
| |
| cmp w12, w11 |
| b.lo 1f // can only be weak weak, skip strong |
| |
| 0: // STRONG FILTER |
| |
| // P0 = p0 + av_clip(((p2 + 2 * p1 + 2 * p0 + 2 * q0 + q1 + 4) >> 3) - p0, -tc3, tc3); |
| add v21.8h, v2.8h, v3.8h // (p1 + p0 |
| add v21.8h, v4.8h, v21.8h // + q0) |
| shl v21.8h, v21.8h, #1 // * 2 |
| add v22.8h, v1.8h, v5.8h // (p2 + q1) |
| add v21.8h, v22.8h, v21.8h // + |
| srshr v21.8h, v21.8h, #3 // >> 3 |
| sub v21.8h, v21.8h, v3.8h // - p0 |
| |
| // P1 = p1 + av_clip(((p2 + p1 + p0 + q0 + 2) >> 2) - p1, -tc2, tc2); |
| |
| add v22.8h, v1.8h, v2.8h |
| add v23.8h, v3.8h, v4.8h |
| add v22.8h, v22.8h, v23.8h |
| srshr v22.8h, v22.8h, #2 |
| sub v22.8h, v22.8h, v2.8h |
| |
| // P2 = p2 + av_clip(((2 * p3 + 3 * p2 + p1 + p0 + q0 + 4) >> 3) - p2, -tc, tc); |
| |
| add v23.8h, v0.8h, v1.8h // p3 + p2 |
| add v24.8h, v3.8h, v4.8h // p0 + q0 |
| shl v23.8h, v23.8h, #1 // * 2 |
| add v23.8h, v23.8h, v24.8h |
| add v24.8h, v1.8h, v2.8h // p2 + p1 |
| add v23.8h, v23.8h, v24.8h |
| srshr v23.8h, v23.8h, #3 |
| sub v23.8h, v23.8h, v1.8h |
| |
| // Q0 = q0 + av_clip(((p1 + 2 * p0 + 2 * q0 + 2 * q1 + q2 + 4) >> 3) - q0, -tc3, tc3); |
| add v24.8h, v3.8h, v4.8h // (p0 + q0 |
| add v24.8h, v5.8h, v24.8h // + q1) |
| shl v24.8h, v24.8h, #1 // * 2 |
| add v25.8h, v2.8h, v6.8h // (p1 + q2) |
| add v24.8h, v25.8h, v24.8h // + |
| srshr v24.8h, v24.8h, #3 // >> 3 |
| sub v24.8h, v24.8h, v4.8h // - q0 |
| |
| // Q1 = q1 + av_clip(((p0 + q0 + q1 + q2 + 2) >> 2) - q1, -tc2, tc2); |
| |
| add v25.8h, v6.8h, v5.8h |
| add v26.8h, v3.8h, v4.8h |
| add v25.8h, v25.8h, v26.8h |
| srshr v25.8h, v25.8h, #2 |
| sub v25.8h, v25.8h, v5.8h |
| |
| // Q2 = q2 + av_clip(((2 * q3 + 3 * q2 + q1 + q0 + p0 + 4) >> 3) - q2, -tc, tc); |
| |
| add v26.8h, v7.8h, v6.8h |
| add v27.8h, v6.8h, v5.8h |
| shl v26.8h, v26.8h, #1 |
| add v26.8h, v26.8h, v27.8h |
| add v27.8h, v3.8h, v4.8h |
| add v26.8h, v26.8h, v27.8h |
| srshr v26.8h, v26.8h, #3 |
| sub v26.8h, v26.8h, v6.8h |
| |
| // this clip should work properly |
| shl v30.8h, v18.8h, #1 // tc2 |
| neg v31.8h, v30.8h // -tc2 |
| clip v31.8h, v30.8h, v21.8h, v22.8h, v23.8h, v24.8h, v25.8h, v26.8h |
| |
| and v21.16b, v21.16b, v16.16b |
| and v22.16b, v22.16b, v16.16b |
| and v23.16b, v23.16b, v16.16b |
| and v24.16b, v24.16b, v16.16b |
| and v25.16b, v25.16b, v16.16b |
| and v26.16b, v26.16b, v16.16b |
| |
| add v23.8h, v23.8h, v1.8h // careful |
| add v22.8h, v22.8h, v2.8h |
| add v21.8h, v21.8h, v3.8h |
| add v24.8h, v24.8h, v4.8h |
| add v25.8h, v25.8h, v5.8h |
| add v26.8h, v26.8h, v6.8h |
| |
| cmp w12, w13 |
| b.hi 2f // only strong/strong, skip weak |
| |
| 1: // WEAK FILTER |
| |
| // delta0 = (9 * (q0 - p0) - 3 * (q1 - p1) + 8) >> 4 |
| .if \bitdepth < 12 |
| sub v27.8h, v4.8h, v3.8h // q0 - p0 |
| shl v30.8h, v27.8h, #3 // * 8 |
| add v27.8h, v27.8h, v30.8h // 9 * (q0 - p0) |
| |
| sub v30.8h, v5.8h, v2.8h // q1 - p1 |
| shl v31.8h, v30.8h, #1 // * 2 |
| |
| sub v27.8h, v27.8h, v31.8h |
| sub v27.8h, v27.8h, v30.8h // - 3 * (q1 - p1) |
| srshr v27.8h, v27.8h, #4 |
| .else |
| sub v19.8h, v4.8h, v3.8h // q0 - p0 |
| sub v20.8h, v5.8h, v2.8h // q1 - p1 |
| |
| sshll v30.4s, v19.4h, #3 // * 8 |
| sshll2 v31.4s, v19.8h, #3 |
| |
| shl v27.8h, v20.8h, #1 |
| |
| saddw v30.4s, v30.4s, v19.4h // 9 * (q0 - p0) |
| saddw2 v31.4s, v31.4s, v19.8h |
| |
| saddl v19.4s, v27.4h, v20.4h // 3 * (q1 - p1) |
| saddl2 v20.4s, v27.8h, v20.8h |
| |
| sub v19.4s, v30.4s, v19.4s |
| sub v20.4s, v31.4s, v20.4s |
| |
| sqrshrn v27.4h, v19.4s, #4 |
| sqrshrn2 v27.8h, v20.4s, #4 |
| .endif |
| |
| // delta0 10tc check mask |
| shl v30.8h, v18.8h, #1 // * 2 |
| shl v31.8h, v18.8h, #3 // * 8 |
| add v30.8h, v30.8h, v31.8h // 10 * tc |
| abs v31.8h, v27.8h |
| cmgt v20.8h, v30.8h, v31.8h // abs(delta0) < 10 * tc |
| |
| and v20.16b, v20.16b, v16.16b // combine with full mask |
| |
| neg v31.8h, v18.8h // -tc |
| clip v31.8h, v18.8h, v27.8h // delta0 = av_clip(delta0, -tc, tc) |
| |
| // deltap1 = av_clip((((p2 + p0 + 1) >> 1) - p1 + delta0) >> 1, -tc_2, tc_2) |
| add v30.8h, v1.8h, v3.8h |
| srshr v30.8h, v30.8h, #1 |
| sub v30.8h, v30.8h, v2.8h |
| add v30.8h, v30.8h, v27.8h |
| sshr v30.8h, v30.8h, #1 |
| |
| // p3 p2 p1 p0 q0 q1 q2 q3 |
| // v0 v1 v2 v3 v4 v5 v6 v7 |
| |
| // deltaq1 = av_clip((((q2 + q0 + 1) >> 1) - q1 - delta0) >> 1, -tc_2, tc_2); |
| add v31.8h, v6.8h, v4.8h |
| srshr v31.8h, v31.8h, #1 |
| sub v31.8h, v31.8h, v5.8h |
| sub v31.8h, v31.8h, v27.8h |
| sshr v31.8h, v31.8h, #1 |
| |
| // apply nd_p nd_q mask to deltap1/deltaq1 |
| and v30.16b, v30.16b, v28.16b |
| and v31.16b, v31.16b, v29.16b |
| |
| // apply full skip mask to deltap1/deltaq1/delta0 |
| and v30.16b, v30.16b, v20.16b |
| and v27.16b, v27.16b, v20.16b |
| and v31.16b, v31.16b, v20.16b |
| |
| // clip P1/Q1 to -tc_2, tc_2 |
| sshr v18.8h, v18.8h, #1 // tc2 |
| neg v28.8h, v18.8h |
| clip v28.8h, v18.8h, v30.8h, v31.8h |
| |
| // P0 = av_clip_pixel(p0 + delta0) |
| // Q0 = av_clip_pixel(q0 - delta0) |
| add v29.8h, v3.8h, v27.8h // P0 |
| sub v27.8h, v4.8h, v27.8h // Q0 |
| |
| // P1 = av_clip_pixel(p1 + deltap1) |
| // Q1 = av_clip_pixel(q1 + deltaq1) |
| add v30.8h, v2.8h, v30.8h // P1 |
| add v31.8h, v5.8h, v31.8h // Q1 |
| |
| 2: // MIX WEAK/STRONG |
| |
| mov v19.16b, v1.16b |
| mov v20.16b, v6.16b |
| // copy selection mask |
| mov v1.16b, v17.16b |
| mov v2.16b, v17.16b |
| mov v3.16b, v17.16b |
| mov v4.16b, v17.16b |
| mov v5.16b, v17.16b |
| mov v6.16b, v17.16b |
| // select |
| bsl v1.16b, v23.16b, v19.16b // P2 strong/orig |
| bsl v2.16b, v22.16b, v30.16b // P1 strong/weak |
| bsl v3.16b, v21.16b, v29.16b // P0 strong/weak |
| bsl v4.16b, v24.16b, v27.16b // Q0 strong/weak |
| bsl v5.16b, v25.16b, v31.16b // Q1 strong/weak |
| bsl v6.16b, v26.16b, v20.16b // Q2 strong/orig |
| // NOTE: Q3/P3 are unchanged |
| |
| .if \bitdepth > 8 |
| movi v19.8h, #0 |
| dup v20.8h, w14 |
| clip v19.8h, v20.8h, v1.8h, v2.8h, v3.8h, v4.8h, v5.8h, v6.8h |
| .else |
| sqxtun v0.8b, v0.8h |
| sqxtun v1.8b, v1.8h |
| sqxtun v2.8b, v2.8h |
| sqxtun v3.8b, v3.8h |
| sqxtun v4.8b, v4.8h |
| sqxtun v5.8b, v5.8h |
| sqxtun v6.8b, v6.8h |
| sqxtun v7.8b, v7.8h |
| .endif |
| ret |
| 3: ret x6 |
| endfunc |
| .endm |
| |
| hevc_loop_filter_luma_body 8 |
| hevc_loop_filter_luma_body 10 |
| hevc_loop_filter_luma_body 12 |
| |
| // hevc_v_loop_filter_luma(uint8_t *pix, ptrdiff_t stride, int beta, const int32_t *tc, const uint8_t *no_p, const uint8_t *no_q) |
| |
| .macro hevc_loop_filter_luma dir, bitdepth |
| function ff_hevc_\dir\()_loop_filter_luma_\bitdepth\()_neon, export=1 |
| mov x6, x30 |
| .ifc \dir, v |
| .if \bitdepth > 8 |
| sub x0, x0, #8 |
| .else |
| sub x0, x0, #4 |
| .endif |
| .else |
| sub x0, x0, x1, lsl #2 // -4 * xstride |
| .endif |
| mov x10, x0 |
| .if \bitdepth > 8 |
| ld1 {v0.8h}, [x0], x1 |
| ld1 {v1.8h}, [x0], x1 |
| ld1 {v2.8h}, [x0], x1 |
| ld1 {v3.8h}, [x0], x1 |
| ld1 {v4.8h}, [x0], x1 |
| ld1 {v5.8h}, [x0], x1 |
| ld1 {v6.8h}, [x0], x1 |
| ld1 {v7.8h}, [x0] |
| mov w14, #((1 << \bitdepth) - 1) |
| .ifc \dir, v |
| transpose_8x8H v0, v1, v2, v3, v4, v5, v6, v7, v16, v17 |
| .endif |
| .else |
| ld1 {v0.8b}, [x0], x1 |
| ld1 {v1.8b}, [x0], x1 |
| ld1 {v2.8b}, [x0], x1 |
| ld1 {v3.8b}, [x0], x1 |
| ld1 {v4.8b}, [x0], x1 |
| ld1 {v5.8b}, [x0], x1 |
| ld1 {v6.8b}, [x0], x1 |
| ld1 {v7.8b}, [x0] |
| .ifc \dir, v |
| transpose_8x8B v0, v1, v2, v3, v4, v5, v6, v7, v16, v17 |
| .endif |
| .endif |
| bl hevc_loop_filter_luma_body_\bitdepth\()_neon |
| .if \bitdepth > 8 |
| .ifc \dir, v |
| transpose_8x8H v0, v1, v2, v3, v4, v5, v6, v7, v16, v17 |
| .endif |
| st1 {v0.8h}, [x10], x1 |
| st1 {v1.8h}, [x10], x1 |
| st1 {v2.8h}, [x10], x1 |
| st1 {v3.8h}, [x10], x1 |
| st1 {v4.8h}, [x10], x1 |
| st1 {v5.8h}, [x10], x1 |
| st1 {v6.8h}, [x10], x1 |
| st1 {v7.8h}, [x10] |
| .else |
| .ifc \dir, v |
| transpose_8x8B v0, v1, v2, v3, v4, v5, v6, v7, v16, v17 |
| .endif |
| st1 {v0.8b}, [x10], x1 |
| st1 {v1.8b}, [x10], x1 |
| st1 {v2.8b}, [x10], x1 |
| st1 {v3.8b}, [x10], x1 |
| st1 {v4.8b}, [x10], x1 |
| st1 {v5.8b}, [x10], x1 |
| st1 {v6.8b}, [x10], x1 |
| st1 {v7.8b}, [x10] |
| .endif |
| ret x6 |
| endfunc |
| .endm |
| |
| hevc_loop_filter_luma h, 8 |
| hevc_loop_filter_luma h, 10 |
| hevc_loop_filter_luma h, 12 |
| |
| hevc_loop_filter_luma v, 8 |
| hevc_loop_filter_luma v, 10 |
| hevc_loop_filter_luma v, 12 |
