mirror of https://github.com/FFmpeg/FFmpeg.git
* commit 'f56d8d8dd72b1ab52aa814c5a0fccabf8040ef68': h264: aarch64: intra prediction optimisations Conflicts: libavcodec/h264pred.c Merged-by: Michael Niedermayer <michael@niedermayer.cc>pull/140/head
Michael Niedermayer
10 years ago
commit
5d5f8b29b4
5 changed files with 467 additions and 3 deletions
@ -0,0 +1,93 @@ |
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/*
|
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* Copyright (c) 2009 Mans Rullgard <mans@mansr.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdint.h> |
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#include "libavutil/attributes.h" |
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#include "libavutil/aarch64/cpu.h" |
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#include "libavcodec/avcodec.h" |
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#include "libavcodec/h264pred.h" |
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void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride); |
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void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride); |
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static av_cold void h264_pred_init_neon(H264PredContext *h, int codec_id, |
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const int bit_depth, |
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const int chroma_format_idc) |
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{ |
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const int high_depth = bit_depth > 8; |
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if (high_depth) |
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return; |
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if (chroma_format_idc <= 1) { |
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h->pred8x8[VERT_PRED8x8 ] = ff_pred8x8_vert_neon; |
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h->pred8x8[HOR_PRED8x8 ] = ff_pred8x8_hor_neon; |
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if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) |
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h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon; |
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h->pred8x8[DC_128_PRED8x8 ] = ff_pred8x8_128_dc_neon; |
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if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 && |
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codec_id != AV_CODEC_ID_VP8) { |
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h->pred8x8[DC_PRED8x8 ] = ff_pred8x8_dc_neon; |
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h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon; |
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h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon; |
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h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon; |
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h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon; |
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h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon; |
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h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon; |
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} |
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} |
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h->pred16x16[DC_PRED8x8 ] = ff_pred16x16_dc_neon; |
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h->pred16x16[VERT_PRED8x8 ] = ff_pred16x16_vert_neon; |
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h->pred16x16[HOR_PRED8x8 ] = ff_pred16x16_hor_neon; |
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h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon; |
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h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon; |
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h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon; |
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if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 && |
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codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) |
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h->pred16x16[PLANE_PRED8x8 ] = ff_pred16x16_plane_neon; |
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} |
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av_cold void ff_h264_pred_init_aarch64(H264PredContext *h, int codec_id, |
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int bit_depth, const int chroma_format_idc) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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if (have_neon(cpu_flags)) |
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h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc); |
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} |
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@ -0,0 +1,361 @@ |
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/* |
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* Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either
|
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software
|
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/aarch64/asm.S" |
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.macro ldcol.8 rd, rs, rt, n=8, hi=0 |
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.if \n >= 8 || \hi == 0 |
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ld1 {\rd\().b}[0], [\rs], \rt |
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ld1 {\rd\().b}[1], [\rs], \rt |
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ld1 {\rd\().b}[2], [\rs], \rt |
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ld1 {\rd\().b}[3], [\rs], \rt |
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.endif |
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.if \n >= 8 || \hi == 1 |
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ld1 {\rd\().b}[4], [\rs], \rt |
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ld1 {\rd\().b}[5], [\rs], \rt |
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ld1 {\rd\().b}[6], [\rs], \rt |
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ld1 {\rd\().b}[7], [\rs], \rt |
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.endif |
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.if \n == 16 |
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ld1 {\rd\().b}[8], [\rs], \rt |
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ld1 {\rd\().b}[9], [\rs], \rt |
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ld1 {\rd\().b}[10], [\rs], \rt |
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ld1 {\rd\().b}[11], [\rs], \rt |
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ld1 {\rd\().b}[12], [\rs], \rt |
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ld1 {\rd\().b}[13], [\rs], \rt |
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ld1 {\rd\().b}[14], [\rs], \rt |
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ld1 {\rd\().b}[15], [\rs], \rt |
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.endif |
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.endm |
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function ff_pred16x16_128_dc_neon, export=1 |
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movi v0.16b, #128 |
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b .L_pred16x16_dc_end |
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endfunc |
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function ff_pred16x16_top_dc_neon, export=1 |
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sub x2, x0, x1 |
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ld1 {v0.16b}, [x2] |
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uaddlv h0, v0.16b |
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rshrn v0.8b, v0.8h, #4 |
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dup v0.16b, v0.b[0] |
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b .L_pred16x16_dc_end |
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endfunc |
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function ff_pred16x16_left_dc_neon, export=1 |
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sub x2, x0, #1 |
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ldcol.8 v0, x2, x1, 16 |
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uaddlv h0, v0.16b |
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rshrn v0.8b, v0.8h, #4 |
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dup v0.16b, v0.b[0] |
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b .L_pred16x16_dc_end |
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endfunc |
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function ff_pred16x16_dc_neon, export=1 |
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sub x2, x0, x1 |
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sub x3, x0, #1 |
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ld1 {v0.16b}, [x2] |
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ldcol.8 v1, x3, x1, 16 |
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uaddlv h0, v0.16b |
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uaddlv h1, v1.16b |
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add v0.4h, v0.4h, v1.4h |
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rshrn v0.8b, v0.8h, #5 |
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dup v0.16b, v0.b[0] |
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.L_pred16x16_dc_end: |
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mov w3, #8 |
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6: st1 {v0.16b}, [x0], x1 |
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st1 {v0.16b}, [x0], x1 |
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subs w3, w3, #1 |
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b.ne 6b |
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ret |
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endfunc |
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function ff_pred16x16_hor_neon, export=1 |
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sub x2, x0, #1 |
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mov w3, #16 |
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1: ld1r {v0.16b}, [x2], x1 |
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st1 {v0.16b}, [x0], x1 |
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subs w3, w3, #1 |
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b.ne 1b |
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ret |
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endfunc |
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function ff_pred16x16_vert_neon, export=1 |
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sub x2, x0, x1 |
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add x1, x1, x1 |
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ld1 {v0.16b}, [x2], x1 |
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mov w3, #8 |
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1: st1 {v0.16b}, [x0], x1 |
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st1 {v0.16b}, [x2], x1 |
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subs w3, w3, #1 |
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b.ne 1b |
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ret |
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endfunc |
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function ff_pred16x16_plane_neon, export=1 |
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sub x3, x0, x1 |
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movrel x4, p16weight |
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add x2, x3, #8 |
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sub x3, x3, #1 |
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ld1 {v0.8b}, [x3] |
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ld1 {v2.8b}, [x2], x1 |
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ldcol.8 v1, x3, x1 |
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add x3, x3, x1 |
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ldcol.8 v3, x3, x1 |
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rev64 v0.8b, v0.8b |
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rev64 v1.8b, v1.8b |
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uaddl v7.8h, v2.8b, v3.8b |
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usubl v2.8h, v2.8b, v0.8b |
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usubl v3.8h, v3.8b, v1.8b |
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ld1 {v0.8h}, [x4] |
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mul v2.8h, v2.8h, v0.8h |
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mul v3.8h, v3.8h, v0.8h |
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addp v2.8h, v2.8h, v3.8h |
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addp v2.8h, v2.8h, v2.8h |
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addp v2.4h, v2.4h, v2.4h |
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sshll v3.4s, v2.4h, #2 |
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saddw v2.4s, v3.4s, v2.4h |
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rshrn v4.4h, v2.4s, #6 |
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trn2 v5.4h, v4.4h, v4.4h |
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add v2.4h, v4.4h, v5.4h |
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shl v3.4h, v2.4h, #3 |
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ext v7.16b, v7.16b, v7.16b, #14 |
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sub v3.4h, v3.4h, v2.4h // 7 * (b + c) |
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add v7.4h, v7.4h, v0.4h |
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shl v2.4h, v7.4h, #4 |
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sub v2.4h, v2.4h, v3.4h |
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shl v3.4h, v4.4h, #4 |
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ext v0.16b, v0.16b, v0.16b, #14 |
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sub v6.4h, v5.4h, v3.4h |
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mov v0.h[0], wzr |
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mul v0.8h, v0.8h, v4.h[0] |
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dup v1.8h, v2.h[0] |
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dup v2.8h, v4.h[0] |
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dup v3.8h, v6.h[0] |
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shl v2.8h, v2.8h, #3 |
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add v1.8h, v1.8h, v0.8h |
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add v3.8h, v3.8h, v2.8h |
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mov w3, #16 |
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1: |
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sqshrun v0.8b, v1.8h, #5 |
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add v1.8h, v1.8h, v2.8h |
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sqshrun2 v0.16b, v1.8h, #5 |
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add v1.8h, v1.8h, v3.8h |
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st1 {v0.16b}, [x0], x1 |
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subs w3, w3, #1 |
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b.ne 1b |
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ret |
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endfunc |
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const p16weight, align=4 |
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.short 1,2,3,4,5,6,7,8 |
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endconst |
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const p8weight, align=4 |
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.short 1,2,3,4,1,2,3,4 |
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endconst |
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function ff_pred8x8_hor_neon, export=1 |
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sub x2, x0, #1 |
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mov w3, #8 |
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1: ld1r {v0.8b}, [x2], x1 |
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st1 {v0.8b}, [x0], x1 |
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subs w3, w3, #1 |
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b.ne 1b |
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ret |
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endfunc |
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function ff_pred8x8_vert_neon, export=1 |
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sub x2, x0, x1 |
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lsl x1, x1, #1 |
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ld1 {v0.8b}, [x2], x1 |
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mov w3, #4 |
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1: st1 {v0.8b}, [x0], x1 |
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st1 {v0.8b}, [x2], x1 |
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subs w3, w3, #1 |
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b.ne 1b |
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ret |
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endfunc |
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function ff_pred8x8_plane_neon, export=1 |
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sub x3, x0, x1 |
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movrel x4, p8weight |
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movrel x5, p16weight |
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add x2, x3, #4 |
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sub x3, x3, #1 |
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ld1 {v0.s}[0], [x3] |
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ld1 {v2.s}[0], [x2], x1 |
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ldcol.8 v0, x3, x1, 4, hi=1 |
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add x3, x3, x1 |
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ldcol.8 v3, x3, x1, 4 |
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uaddl v7.8h, v2.8b, v3.8b |
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rev32 v0.8b, v0.8b |
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trn1 v2.2s, v2.2s, v3.2s |
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usubl v2.8h, v2.8b, v0.8b |
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ld1 {v6.8h}, [x4] |
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mul v2.8h, v2.8h, v6.8h |
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ld1 {v0.8h}, [x5] |
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saddlp v2.4s, v2.8h |
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addp v2.4s, v2.4s, v2.4s |
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shl v3.4s, v2.4s, #4 |
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add v2.4s, v3.4s, v2.4s |
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rshrn v5.4h, v2.4s, #5 |
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addp v2.4h, v5.4h, v5.4h |
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shl v3.4h, v2.4h, #1 |
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add v3.4h, v3.4h, v2.4h |
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rev64 v7.4h, v7.4h |
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add v7.4h, v7.4h, v0.4h |
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shl v2.4h, v7.4h, #4 |
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sub v2.4h, v2.4h, v3.4h |
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ext v0.16b, v0.16b, v0.16b, #14 |
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mov v0.h[0], wzr |
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mul v0.8h, v0.8h, v5.h[0] |
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dup v1.8h, v2.h[0] |
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dup v2.8h, v5.h[1] |
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add v1.8h, v1.8h, v0.8h |
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mov w3, #8 |
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1: |
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sqshrun v0.8b, v1.8h, #5 |
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add v1.8h, v1.8h, v2.8h |
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st1 {v0.8b}, [x0], x1 |
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subs w3, w3, #1 |
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b.ne 1b |
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ret |
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endfunc |
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|
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function ff_pred8x8_128_dc_neon, export=1 |
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movi v0.8b, #128 |
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movi v1.8b, #128 |
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b .L_pred8x8_dc_end |
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endfunc |
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|
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function ff_pred8x8_top_dc_neon, export=1 |
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sub x2, x0, x1 |
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ld1 {v0.8b}, [x2] |
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uaddlp v0.4h, v0.8b |
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addp v0.4h, v0.4h, v0.4h |
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zip1 v0.8h, v0.8h, v0.8h |
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rshrn v2.8b, v0.8h, #2 |
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zip1 v0.8b, v2.8b, v2.8b |
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zip1 v1.8b, v2.8b, v2.8b |
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b .L_pred8x8_dc_end |
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endfunc |
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|
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function ff_pred8x8_left_dc_neon, export=1 |
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sub x2, x0, #1 |
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ldcol.8 v0, x2, x1 |
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uaddlp v0.4h, v0.8b |
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addp v0.4h, v0.4h, v0.4h |
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rshrn v2.8b, v0.8h, #2 |
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dup v1.8b, v2.b[1] |
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dup v0.8b, v2.b[0] |
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b .L_pred8x8_dc_end |
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endfunc |
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|
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function ff_pred8x8_dc_neon, export=1 |
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sub x2, x0, x1 |
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sub x3, x0, #1 |
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ld1 {v0.8b}, [x2] |
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ldcol.8 v1, x3, x1 |
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uaddlp v0.4h, v0.8b |
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uaddlp v1.4h, v1.8b |
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trn1 v2.2s, v0.2s, v1.2s |
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trn2 v3.2s, v0.2s, v1.2s |
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addp v4.4h, v2.4h, v3.4h |
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addp v5.4h, v4.4h, v4.4h |
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rshrn v6.8b, v5.8h, #3 |
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rshrn v7.8b, v4.8h, #2 |
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dup v0.8b, v6.b[0] |
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dup v2.8b, v7.b[2] |
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dup v1.8b, v7.b[3] |
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dup v3.8b, v6.b[1] |
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zip1 v0.2s, v0.2s, v2.2s |
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zip1 v1.2s, v1.2s, v3.2s |
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.L_pred8x8_dc_end: |
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mov w3, #4 |
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add x2, x0, x1, lsl #2 |
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6: st1 {v0.8b}, [x0], x1 |
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st1 {v1.8b}, [x2], x1 |
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subs w3, w3, #1 |
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b.ne 6b |
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ret |
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endfunc |
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|
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function ff_pred8x8_l0t_dc_neon, export=1 |
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sub x2, x0, x1 |
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sub x3, x0, #1 |
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ld1 {v0.8b}, [x2] |
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ldcol.8 v1, x3, x1, 4 |
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zip1 v0.4s, v0.4s, v1.4s |
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uaddlp v0.8h, v0.16b |
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addp v0.8h, v0.8h, v0.8h |
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addp v1.4h, v0.4h, v0.4h |
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rshrn v2.8b, v0.8h, #2 |
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rshrn v3.8b, v1.8h, #3 |
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dup v4.8b, v3.b[0] |
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dup v6.8b, v2.b[2] |
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dup v5.8b, v2.b[0] |
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zip1 v0.2s, v4.2s, v6.2s |
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zip1 v1.2s, v5.2s, v6.2s |
||||
b .L_pred8x8_dc_end |
||||
endfunc |
||||
|
||||
function ff_pred8x8_l00_dc_neon, export=1 |
||||
sub x2, x0, #1 |
||||
ldcol.8 v0, x2, x1, 4 |
||||
uaddlp v0.4h, v0.8b |
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addp v0.4h, v0.4h, v0.4h |
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rshrn v0.8b, v0.8h, #2 |
||||
movi v1.8b, #128 |
||||
dup v0.8b, v0.b[0] |
||||
b .L_pred8x8_dc_end |
||||
endfunc |
||||
|
||||
function ff_pred8x8_0lt_dc_neon, export=1 |
||||
add x3, x0, x1, lsl #2 |
||||
sub x2, x0, x1 |
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sub x3, x3, #1 |
||||
ld1 {v0.8b}, [x2] |
||||
ldcol.8 v1, x3, x1, 4, hi=1 |
||||
zip1 v0.4s, v0.4s, v1.4s |
||||
uaddlp v0.8h, v0.16b |
||||
addp v0.8h, v0.8h, v0.8h |
||||
addp v1.4h, v0.4h, v0.4h |
||||
rshrn v2.8b, v0.8h, #2 |
||||
rshrn v3.8b, v1.8h, #3 |
||||
dup v4.8b, v2.b[0] |
||||
dup v5.8b, v2.b[3] |
||||
dup v6.8b, v2.b[2] |
||||
dup v7.8b, v3.b[1] |
||||
zip1 v0.2s, v4.2s, v6.2s |
||||
zip1 v1.2s, v5.2s, v7.2s |
||||
b .L_pred8x8_dc_end |
||||
endfunc |
||||
|
||||
function ff_pred8x8_0l0_dc_neon, export=1 |
||||
add x2, x0, x1, lsl #2 |
||||
sub x2, x2, #1 |
||||
ldcol.8 v1, x2, x1, 4 |
||||
uaddlp v2.4h, v1.8b |
||||
addp v2.4h, v2.4h, v2.4h |
||||
rshrn v1.8b, v2.8h, #2 |
||||
movi v0.8b, #128 |
||||
dup v1.8b, v1.b[0] |
||||
b .L_pred8x8_dc_end |
||||
endfunc |
||||
Loading…
Reference in new issue