mirror of https://github.com/FFmpeg/FFmpeg.git
Since RV40 and VC-1 use almost the same algorithm so optimizations for those two decoders are easy to do and included.pull/53/head
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@ -0,0 +1,5 @@ |
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OBJS-$(CONFIG_H264CHROMA) += aarch64/h264chroma_init_aarch64.o
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OBJS-$(CONFIG_RV40_DECODER) += aarch64/rv40dsp_init_aarch64.o
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OBJS-$(CONFIG_VC1_DECODER) += aarch64/vc1dsp_init_aarch64.o
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NEON-OBJS-$(CONFIG_H264CHROMA) += aarch64/h264cmc_neon.o
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@ -0,0 +1,59 @@ |
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/*
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* ARM NEON optimised H.264 chroma functions |
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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/cpu.h" |
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#include "libavutil/aarch64/cpu.h" |
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#include "libavcodec/h264chroma.h" |
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#include "config.h" |
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void ff_put_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, |
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int h, int x, int y); |
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void ff_put_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, |
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int h, int x, int y); |
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void ff_put_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, int stride, |
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int h, int x, int y); |
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void ff_avg_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, |
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int h, int x, int y); |
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void ff_avg_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, |
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int h, int x, int y); |
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void ff_avg_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, int stride, |
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int h, int x, int y); |
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av_cold void ff_h264chroma_init_aarch64(H264ChromaContext *c, int bit_depth) |
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{ |
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const int high_bit_depth = bit_depth > 8; |
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int cpu_flags = av_get_cpu_flags(); |
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if (have_neon(cpu_flags) && !high_bit_depth) { |
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c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_neon; |
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c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_neon; |
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c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_neon; |
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c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_neon; |
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c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_neon; |
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c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_neon; |
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} |
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} |
@ -0,0 +1,402 @@ |
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/* |
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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* Copyright (c) 2013 Janne Grunau <janne-libav@jannau.net>
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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/* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
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.macro h264_chroma_mc8 type, codec=h264 |
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function ff_\type\()_\codec\()_chroma_mc8_neon, export=1 |
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sxtw x2, w2 |
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.ifc \type,avg |
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mov x8, x0 |
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.endif |
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prfm pldl1strm, [x1] |
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prfm pldl1strm, [x1, x2] |
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.ifc \codec,rv40 |
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movrel x6, rv40bias |
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lsr w9, w5, #1 |
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lsr w10, w4, #1 |
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lsl w9, w9, #3 |
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lsl w10, w10, #1 |
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add w9, w9, w10 |
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add x6, x6, w9, UXTW |
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ld1r {v22.8H}, [x6] |
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.endif |
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.ifc \codec,vc1 |
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movi v22.8H, #28 |
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.endif |
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mul w7, w4, w5 |
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lsl w14, w5, #3 |
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lsl w13, w4, #3 |
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cmp w7, #0 |
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sub w6, w14, w7 |
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sub w12, w13, w7 |
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sub w4, w7, w13 |
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sub w4, w4, w14 |
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add w4, w4, #64 |
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b.eq 2f |
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dup v0.8B, w4 |
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dup v1.8B, w12 |
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ld1 {v4.8B, v5.8B}, [x1], x2 |
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dup v2.8B, w6 |
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dup v3.8B, w7 |
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ext v5.8B, v4.8B, v5.8B, #1 |
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1: ld1 {v6.8B, v7.8B}, [x1], x2 |
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umull v16.8H, v4.8B, v0.8B |
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umlal v16.8H, v5.8B, v1.8B |
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ext v7.8B, v6.8B, v7.8B, #1 |
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ld1 {v4.8B, v5.8B}, [x1], x2 |
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umlal v16.8H, v6.8B, v2.8B |
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prfm pldl1strm, [x1] |
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ext v5.8B, v4.8B, v5.8B, #1 |
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umlal v16.8H, v7.8B, v3.8B |
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umull v17.8H, v6.8B, v0.8B |
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subs w3, w3, #2 |
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umlal v17.8H, v7.8B, v1.8B |
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umlal v17.8H, v4.8B, v2.8B |
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umlal v17.8H, v5.8B, v3.8B |
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prfm pldl1strm, [x1, x2] |
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.ifc \codec,h264 |
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rshrn v16.8B, v16.8H, #6 |
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rshrn v17.8B, v17.8H, #6 |
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.else |
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add v16.8H, v16.8H, v22.8H |
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add v17.8H, v17.8H, v22.8H |
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shrn v16.8B, v16.8H, #6 |
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shrn v17.8B, v17.8H, #6 |
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.endif |
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.ifc \type,avg |
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ld1 {v20.8B}, [x8], x2 |
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ld1 {v21.8B}, [x8], x2 |
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urhadd v16.8B, v16.8B, v20.8B |
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urhadd v17.8B, v17.8B, v21.8B |
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.endif |
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st1 {v16.8B}, [x0], x2 |
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st1 {v17.8B}, [x0], x2 |
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b.gt 1b |
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ret |
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2: tst w6, w6 |
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add w12, w12, w6 |
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dup v0.8B, w4 |
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dup v1.8B, w12 |
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b.eq 4f |
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ld1 {v4.8B}, [x1], x2 |
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3: ld1 {v6.8B}, [x1], x2 |
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umull v16.8H, v4.8B, v0.8B |
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umlal v16.8H, v6.8B, v1.8B |
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ld1 {v4.8B}, [x1], x2 |
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umull v17.8H, v6.8B, v0.8B |
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umlal v17.8H, v4.8B, v1.8B |
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prfm pldl1strm, [x1] |
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.ifc \codec,h264 |
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rshrn v16.8B, v16.8H, #6 |
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rshrn v17.8B, v17.8H, #6 |
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.else |
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add v16.8H, v16.8H, v22.8H |
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add v17.8H, v17.8H, v22.8H |
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shrn v16.8B, v16.8H, #6 |
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shrn v17.8B, v17.8H, #6 |
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.endif |
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prfm pldl1strm, [x1, x2] |
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.ifc \type,avg |
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ld1 {v20.8B}, [x8], x2 |
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ld1 {v21.8B}, [x8], x2 |
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urhadd v16.8B, v16.8B, v20.8B |
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urhadd v17.8B, v17.8B, v21.8B |
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.endif |
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subs w3, w3, #2 |
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st1 {v16.8B}, [x0], x2 |
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st1 {v17.8B}, [x0], x2 |
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b.gt 3b |
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ret |
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4: ld1 {v4.8B, v5.8B}, [x1], x2 |
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ld1 {v6.8B, v7.8B}, [x1], x2 |
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ext v5.8B, v4.8B, v5.8B, #1 |
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ext v7.8B, v6.8B, v7.8B, #1 |
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prfm pldl1strm, [x1] |
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subs w3, w3, #2 |
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umull v16.8H, v4.8B, v0.8B |
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umlal v16.8H, v5.8B, v1.8B |
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umull v17.8H, v6.8B, v0.8B |
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umlal v17.8H, v7.8B, v1.8B |
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prfm pldl1strm, [x1, x2] |
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.ifc \codec,h264 |
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rshrn v16.8B, v16.8H, #6 |
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rshrn v17.8B, v17.8H, #6 |
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.else |
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add v16.8H, v16.8H, v22.8H |
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add v17.8H, v17.8H, v22.8H |
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shrn v16.8B, v16.8H, #6 |
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shrn v17.8B, v17.8H, #6 |
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.endif |
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.ifc \type,avg |
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ld1 {v20.8B}, [x8], x2 |
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ld1 {v21.8B}, [x8], x2 |
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urhadd v16.8B, v16.8B, v20.8B |
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urhadd v17.8B, v17.8B, v21.8B |
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.endif |
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st1 {v16.8B}, [x0], x2 |
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st1 {v17.8B}, [x0], x2 |
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b.gt 4b |
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ret |
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endfunc |
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.endm |
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/* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
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.macro h264_chroma_mc4 type, codec=h264 |
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function ff_\type\()_\codec\()_chroma_mc4_neon, export=1 |
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sxtw x2, w2 |
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.ifc \type,avg |
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mov x8, x0 |
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.endif |
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prfm pldl1strm, [x1] |
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prfm pldl1strm, [x1, x2] |
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.ifc \codec,rv40 |
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movrel x6, rv40bias |
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lsr w9, w5, #1 |
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lsr w10, w4, #1 |
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lsl w9, w9, #3 |
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lsl w10, w10, #1 |
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add w9, w9, w10 |
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add x6, x6, w9, UXTW |
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ld1r {v22.8H}, [x6] |
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.endif |
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.ifc \codec,vc1 |
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movi v22.8H, #28 |
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.endif |
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mul w7, w4, w5 |
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lsl w14, w5, #3 |
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lsl w13, w4, #3 |
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cmp w7, #0 |
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sub w6, w14, w7 |
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sub w12, w13, w7 |
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sub w4, w7, w13 |
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sub w4, w4, w14 |
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add w4, w4, #64 |
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b.eq 2f |
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dup v24.8B, w4 |
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dup v25.8B, w12 |
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ld1 {v4.8B}, [x1], x2 |
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dup v26.8B, w6 |
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dup v27.8B, w7 |
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ext v5.8B, v4.8B, v5.8B, #1 |
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trn1 v0.2S, v24.2S, v25.2S |
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trn1 v2.2S, v26.2S, v27.2S |
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trn1 v4.2S, v4.2S, v5.2S |
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1: ld1 {v6.8B}, [x1], x2 |
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ext v7.8B, v6.8B, v7.8B, #1 |
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trn1 v6.2S, v6.2S, v7.2S |
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umull v18.8H, v4.8B, v0.8B |
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umlal v18.8H, v6.8B, v2.8B |
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ld1 {v4.8B}, [x1], x2 |
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ext v5.8B, v4.8B, v5.8B, #1 |
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trn1 v4.2S, v4.2S, v5.2S |
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prfm pldl1strm, [x1] |
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umull v19.8H, v6.8B, v0.8B |
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umlal v19.8H, v4.8B, v2.8B |
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trn1 v30.2D, v18.2D, v19.2D |
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trn2 v31.2D, v18.2D, v19.2D |
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add v18.8H, v30.8H, v31.8H |
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.ifc \codec,h264 |
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rshrn v16.8B, v18.8H, #6 |
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.else |
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add v18.8H, v18.8H, v22.8H |
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shrn v16.8B, v18.8H, #6 |
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.endif |
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subs w3, w3, #2 |
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prfm pldl1strm, [x1, x2] |
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.ifc \type,avg |
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ld1 {v20.S}[0], [x8], x2 |
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ld1 {v20.S}[1], [x8], x2 |
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urhadd v16.8B, v16.8B, v20.8B |
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.endif |
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st1 {v16.S}[0], [x0], x2 |
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st1 {v16.S}[1], [x0], x2 |
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b.gt 1b |
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ret |
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2: tst w6, w6 |
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add w12, w12, w6 |
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dup v30.8B, w4 |
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dup v31.8B, w12 |
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trn1 v0.2S, v30.2S, v31.2S |
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trn2 v1.2S, v30.2S, v31.2S |
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b.eq 4f |
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|
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ext v1.8B, v0.8B, v1.8B, #4 |
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ld1 {v4.S}[0], [x1], x2 |
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3: ld1 {v4.S}[1], [x1], x2 |
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umull v18.8H, v4.8B, v0.8B |
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ld1 {v4.S}[0], [x1], x2 |
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umull v19.8H, v4.8B, v1.8B |
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trn1 v30.2D, v18.2D, v19.2D |
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trn2 v31.2D, v18.2D, v19.2D |
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add v18.8H, v30.8H, v31.8H |
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prfm pldl1strm, [x1] |
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.ifc \codec,h264 |
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rshrn v16.8B, v18.8H, #6 |
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.else |
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add v18.8H, v18.8H, v22.8H |
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shrn v16.8B, v18.8H, #6 |
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.endif |
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.ifc \type,avg |
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ld1 {v20.S}[0], [x8], x2 |
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ld1 {v20.S}[1], [x8], x2 |
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urhadd v16.8B, v16.8B, v20.8B |
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.endif |
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subs w3, w3, #2 |
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prfm pldl1strm, [x1, x2] |
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st1 {v16.S}[0], [x0], x2 |
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st1 {v16.S}[1], [x0], x2 |
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b.gt 3b |
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ret |
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|
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4: ld1 {v4.8B}, [x1], x2 |
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ld1 {v6.8B}, [x1], x2 |
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ext v5.8B, v4.8B, v5.8B, #1 |
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ext v7.8B, v6.8B, v7.8B, #1 |
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trn1 v4.2S, v4.2S, v5.2S |
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trn1 v6.2S, v6.2S, v7.2S |
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umull v18.8H, v4.8B, v0.8B |
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umull v19.8H, v6.8B, v0.8B |
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subs w3, w3, #2 |
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trn1 v30.2D, v18.2D, v19.2D |
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trn2 v31.2D, v18.2D, v19.2D |
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add v18.8H, v30.8H, v31.8H |
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prfm pldl1strm, [x1] |
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.ifc \codec,h264 |
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rshrn v16.8B, v18.8H, #6 |
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.else |
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add v18.8H, v18.8H, v22.8H |
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shrn v16.8B, v18.8H, #6 |
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.endif |
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.ifc \type,avg |
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ld1 {v20.S}[0], [x8], x2 |
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ld1 {v20.S}[1], [x8], x2 |
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urhadd v16.8B, v16.8B, v20.8B |
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.endif |
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prfm pldl1strm, [x1] |
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st1 {v16.S}[0], [x0], x2 |
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st1 {v16.S}[1], [x0], x2 |
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b.gt 4b |
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ret |
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endfunc |
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.endm |
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|
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.macro h264_chroma_mc2 type |
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function ff_\type\()_h264_chroma_mc2_neon, export=1 |
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sxtw x2, w2 |
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prfm pldl1strm, [x1] |
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prfm pldl1strm, [x1, x2] |
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orr w7, w4, w5 |
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cbz w7, 2f |
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|
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mul w7, w4, w5 |
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lsl w14, w5, #3 |
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lsl w13, w4, #3 |
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sub w6, w14, w7 |
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sub w12, w13, w7 |
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sub w4, w7, w13 |
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sub w4, w4, w14 |
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add w4, w4, #64 |
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dup v0.8B, w4 |
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dup v2.8B, w12 |
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dup v1.8B, w6 |
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dup v3.8B, w7 |
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trn1 v0.4H, v0.4H, v2.4H |
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trn1 v1.4H, v1.4H, v3.4H |
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1: |
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ld1 {v4.S}[0], [x1], x2 |
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ld1 {v4.S}[1], [x1], x2 |
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rev64 v5.2S, v4.2S |
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ld1 {v5.S}[1], [x1] |
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ext v6.8B, v4.8B, v5.8B, #1 |
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ext v7.8B, v5.8B, v4.8B, #1 |
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trn1 v4.4H, v4.4H, v6.4H |
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trn1 v5.4H, v5.4H, v7.4H |
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umull v16.8H, v4.8B, v0.8B |
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umlal v16.8H, v5.8B, v1.8B |
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.ifc \type,avg |
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ld1 {v18.H}[0], [x0], x2 |
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ld1 {v18.H}[2], [x0] |
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sub x0, x0, x2 |
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.endif |
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rev64 v17.4S, v16.4S |
||||
add v16.8H, v16.8H, v17.8H |
||||
rshrn v16.8B, v16.8H, #6 |
||||
.ifc \type,avg |
||||
urhadd v16.8B, v16.8B, v18.8B |
||||
.endif |
||||
st1 {v16.H}[0], [x0], x2 |
||||
st1 {v16.H}[2], [x0], x2 |
||||
subs w3, w3, #2 |
||||
b.gt 1b |
||||
ret |
||||
|
||||
2: |
||||
ld1 {v16.H}[0], [x1], x2 |
||||
ld1 {v16.H}[1], [x1], x2 |
||||
.ifc \type,avg |
||||
ld1 {v18.H}[0], [x0], x2 |
||||
ld1 {v18.H}[1], [x0] |
||||
sub x0, x0, x2 |
||||
urhadd v16.8B, v16.8B, v18.8B |
||||
.endif |
||||
st1 {v16.H}[0], [x0], x2 |
||||
st1 {v16.H}[1], [x0], x2 |
||||
subs w3, w3, #2 |
||||
b.gt 2b |
||||
ret |
||||
endfunc |
||||
.endm |
||||
|
||||
h264_chroma_mc8 put |
||||
h264_chroma_mc8 avg |
||||
h264_chroma_mc4 put |
||||
h264_chroma_mc4 avg |
||||
h264_chroma_mc2 put |
||||
h264_chroma_mc2 avg |
||||
|
||||
#if CONFIG_RV40_DECODER |
||||
const rv40bias |
||||
.short 0, 16, 32, 16 |
||||
.short 32, 28, 32, 28 |
||||
.short 0, 32, 16, 32 |
||||
.short 32, 28, 32, 28 |
||||
endconst |
||||
|
||||
h264_chroma_mc8 put, rv40 |
||||
h264_chroma_mc8 avg, rv40 |
||||
h264_chroma_mc4 put, rv40 |
||||
h264_chroma_mc4 avg, rv40 |
||||
#endif |
||||
|
||||
#if CONFIG_VC1_DECODER |
||||
h264_chroma_mc8 put, vc1 |
||||
h264_chroma_mc8 avg, vc1 |
||||
h264_chroma_mc4 put, vc1 |
||||
h264_chroma_mc4 avg, vc1 |
||||
#endif |
@ -0,0 +1,48 @@ |
||||
/*
|
||||
* This file is part of Libav. |
||||
* |
||||
* Libav 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. |
||||
* |
||||
* Libav 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 Libav; if not, write to the Free Software |
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||
*/ |
||||
|
||||
#include <stdint.h> |
||||
|
||||
#include "libavutil/attributes.h" |
||||
#include "libavutil/cpu.h" |
||||
#include "libavutil/aarch64/cpu.h" |
||||
#include "libavcodec/rv34dsp.h" |
||||
|
||||
#include "config.h" |
||||
|
||||
void ff_put_rv40_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h, |
||||
int x, int y); |
||||
void ff_put_rv40_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h, |
||||
int x, int y); |
||||
|
||||
void ff_avg_rv40_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h, |
||||
int x, int y); |
||||
void ff_avg_rv40_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h, |
||||
int x, int y); |
||||
|
||||
av_cold void ff_rv40dsp_init_aarch64(RV34DSPContext *c) |
||||
{ |
||||
int cpu_flags = av_get_cpu_flags(); |
||||
|
||||
if (have_neon(cpu_flags)) { |
||||
c->put_chroma_pixels_tab[0] = ff_put_rv40_chroma_mc8_neon; |
||||
c->put_chroma_pixels_tab[1] = ff_put_rv40_chroma_mc4_neon; |
||||
c->avg_chroma_pixels_tab[0] = ff_avg_rv40_chroma_mc8_neon; |
||||
c->avg_chroma_pixels_tab[1] = ff_avg_rv40_chroma_mc4_neon; |
||||
} |
||||
} |
@ -0,0 +1,47 @@ |
||||
/*
|
||||
* This file is part of Libav. |
||||
* |
||||
* Libav 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. |
||||
* |
||||
* Libav 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 Libav; if not, write to the Free Software |
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||
*/ |
||||
|
||||
#include <stdint.h> |
||||
|
||||
#include "libavutil/attributes.h" |
||||
#include "libavutil/cpu.h" |
||||
#include "libavutil/aarch64/cpu.h" |
||||
#include "libavcodec/vc1dsp.h" |
||||
|
||||
#include "config.h" |
||||
|
||||
void ff_put_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h, |
||||
int x, int y); |
||||
void ff_avg_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h, |
||||
int x, int y); |
||||
void ff_put_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h, |
||||
int x, int y); |
||||
void ff_avg_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h, |
||||
int x, int y); |
||||
|
||||
av_cold void ff_vc1dsp_init_aarch64(VC1DSPContext *dsp) |
||||
{ |
||||
int cpu_flags = av_get_cpu_flags(); |
||||
|
||||
if (have_neon(cpu_flags)) { |
||||
dsp->put_no_rnd_vc1_chroma_pixels_tab[0] = ff_put_vc1_chroma_mc8_neon; |
||||
dsp->avg_no_rnd_vc1_chroma_pixels_tab[0] = ff_avg_vc1_chroma_mc8_neon; |
||||
dsp->put_no_rnd_vc1_chroma_pixels_tab[1] = ff_put_vc1_chroma_mc4_neon; |
||||
dsp->avg_no_rnd_vc1_chroma_pixels_tab[1] = ff_avg_vc1_chroma_mc4_neon; |
||||
} |
||||
} |
Loading…
Reference in new issue