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arm: Add NEON optimizations for 10 and 12 bit vp9 MC
This work is sponsored by, and copyright, Google.
The plain pixel put/copy functions are used from the 8 bit version,
for the double size (e.g. put16 uses ff_vp9_copy32_neon), and a new
copy128 is added.
Compared with the 8 bit version, the filters can no longer use the
trick to accumulate in 16 bit with only saturation at the end, but now
the accumulators need to be 32 bit. This avoids the need to keep track
of which filter index is the largest though, reducing the size of the
executable code for these filters.
For the horizontal filters, we only do 4 or 8 pixels wide in parallel
(while doing two rows at a time), since we don't have enough register
space to filter 16 pixels wide.
For the vertical filters, we still do 4 and 8 pixels in parallel just
as in the 8 bit case, but we need to store the output after every 2
rows instead of after every 4 rows.
Examples of relative speedup compared to the C version, from checkasm:
Cortex A7 A8 A9 A53
vp9_avg4_10bpp_neon: 2.25 2.44 3.05 2.16
vp9_avg8_10bpp_neon: 3.66 8.48 3.86 3.50
vp9_avg16_10bpp_neon: 3.39 8.26 3.37 2.72
vp9_avg32_10bpp_neon: 4.03 10.20 4.07 3.42
vp9_avg64_10bpp_neon: 4.15 10.01 4.13 3.70
vp9_avg_8tap_smooth_4h_10bpp_neon: 3.38 6.22 3.41 4.75
vp9_avg_8tap_smooth_4hv_10bpp_neon: 3.89 6.39 4.30 5.32
vp9_avg_8tap_smooth_4v_10bpp_neon: 5.32 9.73 6.34 7.31
vp9_avg_8tap_smooth_8h_10bpp_neon: 4.45 9.40 4.68 6.87
vp9_avg_8tap_smooth_8hv_10bpp_neon: 4.64 8.91 5.44 6.47
vp9_avg_8tap_smooth_8v_10bpp_neon: 6.44 13.42 8.68 8.79
vp9_avg_8tap_smooth_64h_10bpp_neon: 4.66 9.02 4.84 7.71
vp9_avg_8tap_smooth_64hv_10bpp_neon: 4.61 9.14 4.92 7.10
vp9_avg_8tap_smooth_64v_10bpp_neon: 6.90 14.13 9.57 10.41
vp9_put4_10bpp_neon: 1.33 1.46 2.09 1.33
vp9_put8_10bpp_neon: 1.57 3.42 1.83 1.84
vp9_put16_10bpp_neon: 1.55 4.78 2.17 1.89
vp9_put32_10bpp_neon: 2.06 5.35 2.14 2.30
vp9_put64_10bpp_neon: 3.00 2.41 1.95 1.66
vp9_put_8tap_smooth_4h_10bpp_neon: 3.19 5.81 3.31 4.63
vp9_put_8tap_smooth_4hv_10bpp_neon: 3.86 6.22 4.32 5.21
vp9_put_8tap_smooth_4v_10bpp_neon: 5.40 9.77 6.08 7.21
vp9_put_8tap_smooth_8h_10bpp_neon: 4.22 8.41 4.46 6.63
vp9_put_8tap_smooth_8hv_10bpp_neon: 4.56 8.51 5.39 6.25
vp9_put_8tap_smooth_8v_10bpp_neon: 6.60 12.43 8.17 8.89
vp9_put_8tap_smooth_64h_10bpp_neon: 4.41 8.59 4.54 7.49
vp9_put_8tap_smooth_64hv_10bpp_neon: 4.43 8.58 5.34 6.63
vp9_put_8tap_smooth_64v_10bpp_neon: 7.26 13.92 9.27 10.92
For the larger 8tap filters, the speedup vs C code is around 4-14x.
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö
parent
cda9a3e80b
commit
a4d4bad75c
@ -44,7 +44,9 @@ OBJS-$(CONFIG_MLP_DECODER) += arm/mlpdsp_init_arm.o
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OBJS-$(CONFIG_RV40_DECODER) += arm/rv40dsp_init_arm.o
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OBJS-$(CONFIG_VORBIS_DECODER) += arm/vorbisdsp_init_arm.o
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OBJS-$(CONFIG_VP6_DECODER) += arm/vp6dsp_init_arm.o
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OBJS-$(CONFIG_VP9_DECODER) += arm/vp9dsp_init_arm.o
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OBJS-$(CONFIG_VP9_DECODER) += arm/vp9dsp_init_10bpp_arm.o \
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arm/vp9dsp_init_12bpp_arm.o \
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arm/vp9dsp_init_arm.o
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# ARMv5 optimizations
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@ -142,4 +144,5 @@ NEON-OBJS-$(CONFIG_VORBIS_DECODER) += arm/vorbisdsp_neon.o
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NEON-OBJS-$(CONFIG_VP6_DECODER) += arm/vp6dsp_neon.o
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NEON-OBJS-$(CONFIG_VP9_DECODER) += arm/vp9itxfm_neon.o \
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arm/vp9lpf_neon.o \
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arm/vp9mc_16bpp_neon.o \
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arm/vp9mc_neon.o
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29
libavcodec/arm/vp9dsp_init.h
Normal file
29
libavcodec/arm/vp9dsp_init.h
Normal file
@ -0,0 +1,29 @@
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/*
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* Copyright (c) 2017 Google Inc.
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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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#ifndef AVCODEC_ARM_VP9DSP_INIT_H
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#define AVCODEC_ARM_VP9DSP_INIT_H
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#include "libavcodec/vp9dsp.h"
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void ff_vp9dsp_init_10bpp_arm(VP9DSPContext *dsp);
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void ff_vp9dsp_init_12bpp_arm(VP9DSPContext *dsp);
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#endif /* AVCODEC_ARM_VP9DSP_INIT_H */
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23
libavcodec/arm/vp9dsp_init_10bpp_arm.c
Normal file
23
libavcodec/arm/vp9dsp_init_10bpp_arm.c
Normal file
@ -0,0 +1,23 @@
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/*
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* Copyright (c) 2017 Google Inc.
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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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#define BPP 10
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#define INIT_FUNC ff_vp9dsp_init_10bpp_arm
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#include "vp9dsp_init_16bpp_arm_template.c"
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23
libavcodec/arm/vp9dsp_init_12bpp_arm.c
Normal file
23
libavcodec/arm/vp9dsp_init_12bpp_arm.c
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@ -0,0 +1,23 @@
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/*
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* Copyright (c) 2017 Google Inc.
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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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#define BPP 12
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#define INIT_FUNC ff_vp9dsp_init_12bpp_arm
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#include "vp9dsp_init_16bpp_arm_template.c"
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147
libavcodec/arm/vp9dsp_init_16bpp_arm_template.c
Normal file
147
libavcodec/arm/vp9dsp_init_16bpp_arm_template.c
Normal file
@ -0,0 +1,147 @@
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/*
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* Copyright (c) 2017 Google Inc.
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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/arm/cpu.h"
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#include "vp9dsp_init.h"
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#define declare_fpel(type, sz, suffix) \
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void ff_vp9_##type##sz##suffix##_neon(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, ptrdiff_t src_stride, \
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int h, int mx, int my)
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#define decl_mc_func(op, filter, dir, sz, bpp) \
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void ff_vp9_##op##_##filter##sz##_##dir##_##bpp##_neon(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, ptrdiff_t src_stride, \
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int h, int mx, int my)
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#define define_8tap_2d_fn(op, filter, sz, bpp) \
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static void op##_##filter##sz##_hv_##bpp##_neon(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, \
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ptrdiff_t src_stride, \
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int h, int mx, int my) \
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{ \
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LOCAL_ALIGNED_16(uint8_t, temp, [((1 + (sz < 64)) * sz + 8) * sz * 2]); \
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/* We only need h + 7 lines, but the horizontal filter assumes an \
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* even number of rows, so filter h + 8 lines here. */ \
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ff_vp9_put_##filter##sz##_h_##bpp##_neon(temp, 2 * sz, \
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src - 3 * src_stride, src_stride, \
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h + 8, mx, 0); \
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ff_vp9_##op##_##filter##sz##_v_##bpp##_neon(dst, dst_stride, \
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temp + 3 * 2 * sz, 2 * sz, \
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h, 0, my); \
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}
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#define decl_filter_funcs(op, dir, sz, bpp) \
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decl_mc_func(op, regular, dir, sz, bpp); \
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decl_mc_func(op, sharp, dir, sz, bpp); \
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decl_mc_func(op, smooth, dir, sz, bpp)
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#define decl_mc_funcs(sz, bpp) \
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decl_filter_funcs(put, h, sz, bpp); \
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decl_filter_funcs(avg, h, sz, bpp); \
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decl_filter_funcs(put, v, sz, bpp); \
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decl_filter_funcs(avg, v, sz, bpp); \
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decl_filter_funcs(put, hv, sz, bpp); \
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decl_filter_funcs(avg, hv, sz, bpp)
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declare_fpel(copy, 128, );
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declare_fpel(copy, 64, );
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declare_fpel(copy, 32, );
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declare_fpel(copy, 16, );
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declare_fpel(copy, 8, );
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declare_fpel(avg, 64, _16);
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declare_fpel(avg, 32, _16);
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declare_fpel(avg, 16, _16);
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declare_fpel(avg, 8, _16);
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declare_fpel(avg, 4, _16);
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decl_mc_funcs(64, BPP);
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decl_mc_funcs(32, BPP);
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decl_mc_funcs(16, BPP);
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decl_mc_funcs(8, BPP);
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decl_mc_funcs(4, BPP);
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#define define_8tap_2d_funcs(sz, bpp) \
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define_8tap_2d_fn(put, regular, sz, bpp) \
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define_8tap_2d_fn(put, sharp, sz, bpp) \
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define_8tap_2d_fn(put, smooth, sz, bpp) \
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define_8tap_2d_fn(avg, regular, sz, bpp) \
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define_8tap_2d_fn(avg, sharp, sz, bpp) \
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define_8tap_2d_fn(avg, smooth, sz, bpp)
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define_8tap_2d_funcs(64, BPP)
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define_8tap_2d_funcs(32, BPP)
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define_8tap_2d_funcs(16, BPP)
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define_8tap_2d_funcs(8, BPP)
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define_8tap_2d_funcs(4, BPP)
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static av_cold void vp9dsp_mc_init_arm(VP9DSPContext *dsp)
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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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#define init_fpel(idx1, idx2, sz, type, suffix) \
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dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][0][0] = \
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dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][0][0] = \
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dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][0][0] = \
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dsp->mc[idx1][FILTER_BILINEAR ][idx2][0][0] = ff_vp9_##type##sz##suffix##_neon
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#define init_copy_avg(idx, sz1, sz2) \
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init_fpel(idx, 0, sz2, copy, ); \
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init_fpel(idx, 1, sz1, avg, _16)
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#define init_mc_func(idx1, idx2, op, filter, fname, dir, mx, my, sz, pfx, bpp) \
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dsp->mc[idx1][filter][idx2][mx][my] = pfx##op##_##fname##sz##_##dir##_##bpp##_neon
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#define init_mc_funcs(idx, dir, mx, my, sz, pfx, bpp) \
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init_mc_func(idx, 0, put, FILTER_8TAP_REGULAR, regular, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 0, put, FILTER_8TAP_SHARP, sharp, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 0, put, FILTER_8TAP_SMOOTH, smooth, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 1, avg, FILTER_8TAP_REGULAR, regular, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 1, avg, FILTER_8TAP_SHARP, sharp, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 1, avg, FILTER_8TAP_SMOOTH, smooth, dir, mx, my, sz, pfx, bpp)
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#define init_mc_funcs_dirs(idx, sz, bpp) \
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init_mc_funcs(idx, h, 1, 0, sz, ff_vp9_, bpp); \
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init_mc_funcs(idx, v, 0, 1, sz, ff_vp9_, bpp); \
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init_mc_funcs(idx, hv, 1, 1, sz, , bpp)
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init_copy_avg(0, 64, 128);
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init_copy_avg(1, 32, 64);
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init_copy_avg(2, 16, 32);
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init_copy_avg(3, 8, 16);
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init_copy_avg(4, 4, 8);
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init_mc_funcs_dirs(0, 64, BPP);
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init_mc_funcs_dirs(1, 32, BPP);
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init_mc_funcs_dirs(2, 16, BPP);
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init_mc_funcs_dirs(3, 8, BPP);
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init_mc_funcs_dirs(4, 4, BPP);
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}
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}
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av_cold void INIT_FUNC(VP9DSPContext *dsp)
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{
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vp9dsp_mc_init_arm(dsp);
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}
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@ -23,6 +23,7 @@
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#include "libavutil/attributes.h"
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#include "libavutil/arm/cpu.h"
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#include "libavcodec/vp9dsp.h"
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#include "vp9dsp_init.h"
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#define declare_fpel(type, sz) \
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void ff_vp9_##type##sz##_neon(uint8_t *dst, ptrdiff_t dst_stride, \
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@ -240,7 +241,13 @@ static av_cold void vp9dsp_loopfilter_init_arm(VP9DSPContext *dsp)
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av_cold void ff_vp9dsp_init_arm(VP9DSPContext *dsp, int bpp)
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{
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if (bpp != 8)
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if (bpp == 10) {
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ff_vp9dsp_init_10bpp_arm(dsp);
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return;
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} else if (bpp == 12) {
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ff_vp9dsp_init_12bpp_arm(dsp);
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return;
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} else if (bpp != 8)
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return;
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vp9dsp_mc_init_arm(dsp);
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615
libavcodec/arm/vp9mc_16bpp_neon.S
Normal file
615
libavcodec/arm/vp9mc_16bpp_neon.S
Normal file
@ -0,0 +1,615 @@
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/*
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* Copyright (c) 2017 Google Inc.
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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
|
||||
* 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/arm/asm.S"
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@ All public functions in this file have the following signature:
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@ typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
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@ const uint8_t *ref, ptrdiff_t ref_stride,
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@ int h, int mx, int my);
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function ff_vp9_copy128_neon, export=1
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ldr r12, [sp]
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sub r1, r1, #96
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sub r3, r3, #96
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1:
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subs r12, r12, #1
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vld1.16 {q0, q1}, [r2]!
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vst1.16 {q0, q1}, [r0, :128]!
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vld1.16 {q2, q3}, [r2]!
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vst1.16 {q2, q3}, [r0, :128]!
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vld1.16 {q8, q9}, [r2]!
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vst1.16 {q8, q9}, [r0, :128]!
|
||||
vld1.16 {q10, q11}, [r2], r3
|
||||
vst1.16 {q10, q11}, [r0, :128], r1
|
||||
bne 1b
|
||||
bx lr
|
||||
endfunc
|
||||
|
||||
function ff_vp9_avg64_16_neon, export=1
|
||||
push {lr}
|
||||
ldr r12, [sp, #4]
|
||||
sub r1, r1, #96
|
||||
sub r3, r3, #96
|
||||
mov lr, r0
|
||||
1:
|
||||
subs r12, r12, #1
|
||||
vld1.16 {q8, q9}, [r2]!
|
||||
vld1.16 {q0, q1}, [r0, :128]!
|
||||
vld1.16 {q10, q11}, [r2]!
|
||||
vrhadd.u16 q0, q0, q8
|
||||
vld1.16 {q2, q3}, [r0, :128]!
|
||||
vrhadd.u16 q1, q1, q9
|
||||
vld1.16 {q12, q13}, [r2]!
|
||||
vrhadd.u16 q2, q2, q10
|
||||
vst1.16 {q0, q1}, [lr, :128]!
|
||||
vrhadd.u16 q3, q3, q11
|
||||
vld1.16 {q8, q9}, [r0, :128]!
|
||||
vst1.16 {q2, q3}, [lr, :128]!
|
||||
vrhadd.u16 q8, q8, q12
|
||||
vld1.16 {q14, q15}, [r2], r3
|
||||
vrhadd.u16 q9, q9, q13
|
||||
vld1.16 {q10, q11}, [r0, :128], r1
|
||||
vrhadd.u16 q10, q10, q14
|
||||
vst1.16 {q8, q9}, [lr, :128]!
|
||||
vrhadd.u16 q11, q11, q15
|
||||
vst1.16 {q10, q11}, [lr, :128], r1
|
||||
bne 1b
|
||||
pop {pc}
|
||||
endfunc
|
||||
|
||||
function ff_vp9_avg32_16_neon, export=1
|
||||
push {lr}
|
||||
ldr r12, [sp, #4]
|
||||
sub r1, r1, #32
|
||||
sub r3, r3, #32
|
||||
mov lr, r0
|
||||
1:
|
||||
subs r12, r12, #1
|
||||
vld1.16 {q8, q9}, [r2]!
|
||||
vld1.16 {q0, q1}, [r0, :128]!
|
||||
vld1.16 {q10, q11}, [r2], r3
|
||||
vrhadd.u16 q0, q0, q8
|
||||
vld1.16 {q2, q3}, [r0, :128], r1
|
||||
vrhadd.u16 q1, q1, q9
|
||||
vrhadd.u16 q2, q2, q10
|
||||
vst1.16 {q0, q1}, [lr, :128]!
|
||||
vrhadd.u16 q3, q3, q11
|
||||
vst1.16 {q2, q3}, [lr, :128], r1
|
||||
bne 1b
|
||||
pop {pc}
|
||||
endfunc
|
||||
|
||||
function ff_vp9_avg16_16_neon, export=1
|
||||
ldr r12, [sp]
|
||||
1:
|
||||
subs r12, r12, #1
|
||||
vld1.16 {q2, q3}, [r2], r3
|
||||
vld1.16 {q0, q1}, [r0, :128]
|
||||
vrhadd.u16 q0, q0, q2
|
||||
vrhadd.u16 q1, q1, q3
|
||||
vst1.16 {q0, q1}, [r0, :128], r1
|
||||
bne 1b
|
||||
bx lr
|
||||
endfunc
|
||||
|
||||
function ff_vp9_avg8_16_neon, export=1
|
||||
push {lr}
|
||||
ldr r12, [sp, #4]
|
||||
mov lr, r0
|
||||
1:
|
||||
subs r12, r12, #2
|
||||
vld1.16 {q2}, [r2], r3
|
||||
vld1.16 {q0}, [r0, :128], r1
|
||||
vld1.16 {q3}, [r2], r3
|
||||
vrhadd.u16 q0, q0, q2
|
||||
vld1.16 {q1}, [r0, :128], r1
|
||||
vrhadd.u16 q1, q1, q3
|
||||
vst1.16 {q0}, [lr, :128], r1
|
||||
vst1.16 {q1}, [lr, :128], r1
|
||||
bne 1b
|
||||
pop {pc}
|
||||
endfunc
|
||||
|
||||
function ff_vp9_avg4_16_neon, export=1
|
||||
ldr r12, [sp]
|
||||
1:
|
||||
subs r12, r12, #2
|
||||
vld1.16 {d2}, [r2], r3
|
||||
vld1.16 {d0}, [r0, :64], r1
|
||||
vld1.16 {d3}, [r2], r3
|
||||
vrhadd.u16 d0, d0, d2
|
||||
vld1.16 {d1}, [r0, :64]
|
||||
sub r0, r0, r1
|
||||
vrhadd.u16 d1, d1, d3
|
||||
vst1.16 {d0}, [r0, :64], r1
|
||||
vst1.16 {d1}, [r0, :64], r1
|
||||
bne 1b
|
||||
bx lr
|
||||
endfunc
|
||||
|
||||
@ Helper macros for vmull/vmlal with a constant from either d0 or d1 depending on index
|
||||
.macro vmull_lane dst, src, idx
|
||||
.if \idx < 4
|
||||
vmull.s16 \dst, \src, d0[\idx]
|
||||
.else
|
||||
vmull.s16 \dst, \src, d1[\idx - 4]
|
||||
.endif
|
||||
.endm
|
||||
.macro vmlal_lane dst, src, idx
|
||||
.if \idx < 4
|
||||
vmlal.s16 \dst, \src, d0[\idx]
|
||||
.else
|
||||
vmlal.s16 \dst, \src, d1[\idx - 4]
|
||||
.endif
|
||||
.endm
|
||||
|
||||
@ Extract a vector from src1-src2 and src3-src4, andmultiply-accumulate
|
||||
@ into dst1 and dst3 (or dst1-dst2 and dst3-dst4 for size >= 8)
|
||||
.macro extmlal dst1, dst2, dst3, dst4, src1, src2, src3, src4, offset, size
|
||||
vext.8 q14, \src1, \src2, #(2*\offset)
|
||||
vext.8 q15, \src3, \src4, #(2*\offset)
|
||||
vmlal_lane \dst1, d28, \offset
|
||||
vmlal_lane \dst3, d30, \offset
|
||||
.if \size >= 8
|
||||
vmlal_lane \dst2, d29, \offset
|
||||
vmlal_lane \dst4, d31, \offset
|
||||
.endif
|
||||
.endm
|
||||
|
||||
|
||||
@ Instantiate a horizontal filter function for the given size.
|
||||
@ This can work on 4 or 8 pixels in parallel; for larger
|
||||
@ widths it will do 8 pixels at a time and loop horizontally.
|
||||
@ The actual width (in bytes) is passed in r5, the height in r4 and
|
||||
@ the filter coefficients in r12.
|
||||
.macro do_8tap_h type, size
|
||||
function \type\()_8tap_\size\()h
|
||||
sub r2, r2, #6
|
||||
add r6, r0, r1
|
||||
add r7, r2, r3
|
||||
add r1, r1, r1
|
||||
add r3, r3, r3
|
||||
@ Only size >= 8 loops horizontally and needs
|
||||
@ reduced dst stride
|
||||
.if \size >= 8
|
||||
sub r1, r1, r5
|
||||
.endif
|
||||
@ size >= 8 loads two qwords and increments r2,
|
||||
@ for size 4 it's enough with three dwords and no
|
||||
@ postincrement
|
||||
.if \size >= 8
|
||||
sub r3, r3, r5
|
||||
sub r3, r3, #16
|
||||
.endif
|
||||
@ Load the filter vector
|
||||
vld1.16 {q0}, [r12,:128]
|
||||
1:
|
||||
.if \size >= 8
|
||||
mov r12, r5
|
||||
.endif
|
||||
@ Load src
|
||||
.if \size >= 8
|
||||
vld1.16 {q8, q9}, [r2]!
|
||||
vld1.16 {q10, q11}, [r7]!
|
||||
.else
|
||||
vld1.16 {d16, d17, d18}, [r2]
|
||||
vld1.16 {d20, d21, d22}, [r7]
|
||||
.endif
|
||||
2:
|
||||
|
||||
vmull.s16 q1, d16, d0[0]
|
||||
vmull.s16 q12, d20, d0[0]
|
||||
.if \size >= 8
|
||||
vmull.s16 q2, d17, d0[0]
|
||||
vmull.s16 q13, d21, d0[0]
|
||||
.endif
|
||||
extmlal q1, q2, q12, q13, q8, q9, q10, q11, 1, \size
|
||||
extmlal q1, q2, q12, q13, q8, q9, q10, q11, 2, \size
|
||||
extmlal q1, q2, q12, q13, q8, q9, q10, q11, 3, \size
|
||||
extmlal q1, q2, q12, q13, q8, q9, q10, q11, 4, \size
|
||||
extmlal q1, q2, q12, q13, q8, q9, q10, q11, 5, \size
|
||||
extmlal q1, q2, q12, q13, q8, q9, q10, q11, 6, \size
|
||||
extmlal q1, q2, q12, q13, q8, q9, q10, q11, 7, \size
|
||||
|
||||
@ Round, shift and saturate.
|
||||
@ The vqrshrun takes care of clamping negative values to zero, but
|
||||
@ we manually need to do vmin with the max pixel value.
|
||||
vqrshrun.s32 d2, q1, #7
|
||||
vqrshrun.s32 d24, q12, #7
|
||||
.if \size >= 8
|
||||
vqrshrun.s32 d3, q2, #7
|
||||
vqrshrun.s32 d25, q13, #7
|
||||
vmin.u16 q1, q1, q3
|
||||
vmin.u16 q12, q12, q3
|
||||
.else
|
||||
vmin.u16 d2, d2, d6
|
||||
vmin.u16 d24, d24, d6
|
||||
.endif
|
||||
@ Average
|
||||
.ifc \type,avg
|
||||
.if \size >= 8
|
||||
vld1.16 {q14}, [r0,:128]
|
||||
vld1.16 {q15}, [r6,:128]
|
||||
vrhadd.u16 q1, q1, q14
|
||||
vrhadd.u16 q12, q12, q15
|
||||
.else
|
||||
vld1.16 {d28}, [r0,:64]
|
||||
vld1.16 {d30}, [r6,:64]
|
||||
vrhadd.u16 d2, d2, d28
|
||||
vrhadd.u16 d24, d24, d30
|
||||
.endif
|
||||
.endif
|
||||
@ Store and loop horizontally (for size >= 8)
|
||||
.if \size >= 8
|
||||
subs r12, r12, #16
|
||||
vst1.16 {q1}, [r0,:128]!
|
||||
vst1.16 {q12}, [r6,:128]!
|
||||
beq 3f
|
||||
vmov q8, q9
|
||||
vmov q10, q11
|
||||
vld1.16 {q9}, [r2]!
|
||||
vld1.16 {q11}, [r7]!
|
||||
b 2b
|
||||
.else @ \size == 4
|
||||
vst1.16 {d2}, [r0,:64]
|
||||
vst1.16 {d24}, [r6,:64]
|
||||
.endif
|
||||
3:
|
||||
@ Loop vertically
|
||||
add r0, r0, r1
|
||||
add r6, r6, r1
|
||||
add r2, r2, r3
|
||||
add r7, r7, r3
|
||||
subs r4, r4, #2
|
||||
bne 1b
|
||||
pop {r4-r7}
|
||||
bx lr
|
||||
endfunc
|
||||
.endm
|
||||
|
||||
.macro do_8tap_h_size size
|
||||
do_8tap_h put, \size
|
||||
do_8tap_h avg, \size
|
||||
.endm
|
||||
|
||||
do_8tap_h_size 4
|
||||
do_8tap_h_size 8
|
||||
|
||||
.macro do_8tap_h_func type, filter, offset, size, bpp
|
||||
function ff_vp9_\type\()_\filter\()\size\()_h_\bpp\()_neon, export=1
|
||||
push {r4-r7}
|
||||
ldr r4, [sp, #16]
|
||||
ldr r5, [sp, #20]
|
||||
vmvn.u16 q3, #((0xffff << \bpp) & 0xffff)
|
||||
movrelx r12, X(ff_vp9_subpel_filters), r6
|
||||
add r12, r12, 256*\offset
|
||||
add r12, r12, r5, lsl #4
|
||||
mov r5, #2*\size
|
||||
.if \size >= 8
|
||||
b \type\()_8tap_8h
|
||||
.else
|
||||
b \type\()_8tap_4h
|
||||
.endif
|
||||
endfunc
|
||||
.endm
|
||||
|
||||
.macro do_8tap_h_filters size, bpp
|
||||
do_8tap_h_func put, regular, 1, \size, \bpp
|
||||
do_8tap_h_func avg, regular, 1, \size, \bpp
|
||||
do_8tap_h_func put, sharp, 2, \size, \bpp
|
||||
do_8tap_h_func avg, sharp, 2, \size, \bpp
|
||||
do_8tap_h_func put, smooth, 0, \size, \bpp
|
||||
do_8tap_h_func avg, smooth, 0, \size, \bpp
|
||||
.endm
|
||||
|
||||
.macro do_8tap_h_filters_bpp bpp
|
||||
do_8tap_h_filters 64, \bpp
|
||||
do_8tap_h_filters 32, \bpp
|
||||
do_8tap_h_filters 16, \bpp
|
||||
do_8tap_h_filters 8, \bpp
|
||||
do_8tap_h_filters 4, \bpp
|
||||
.endm
|
||||
|
||||
do_8tap_h_filters_bpp 10
|
||||
do_8tap_h_filters_bpp 12
|
||||
|
||||
.ltorg
|
||||
|
||||
@ Vertical filters
|
||||
|
||||
@ Round, shift and saturate and store qreg1-4
|
||||
.macro do_store4 qreg1, dreg1, qreg2, dreg2, qreg3, dreg3, qreg4, dreg4, tmp1, tmp2, tmp3, tmp4, minreg, type
|
||||
vqrshrun.s32 \dreg1, \qreg1, #7
|
||||
vqrshrun.s32 \dreg2, \qreg2, #7
|
||||
vqrshrun.s32 \dreg3, \qreg3, #7
|
||||
vqrshrun.s32 \dreg4, \qreg4, #7
|
||||
.ifc \type,avg
|
||||
vld1.16 {\tmp1}, [r6,:64], r1
|
||||
vld1.16 {\tmp2}, [r6,:64], r1
|
||||
vld1.16 {\tmp3}, [r6,:64], r1
|
||||
vld1.16 {\tmp4}, [r6,:64], r1
|
||||
.endif
|
||||
vmin.u16 \dreg1, \dreg1, \minreg
|
||||
vmin.u16 \dreg2, \dreg2, \minreg
|
||||
vmin.u16 \dreg3, \dreg3, \minreg
|
||||
vmin.u16 \dreg4, \dreg4, \minreg
|
||||
.ifc \type,avg
|
||||
vrhadd.u16 \dreg1, \dreg1, \tmp1
|
||||
vrhadd.u16 \dreg2, \dreg2, \tmp2
|
||||
vrhadd.u16 \dreg3, \dreg3, \tmp3
|
||||
vrhadd.u16 \dreg4, \dreg4, \tmp4
|
||||
.endif
|
||||
vst1.16 {\dreg1}, [r0,:64], r1
|
||||
vst1.16 {\dreg2}, [r0,:64], r1
|
||||
vst1.16 {\dreg3}, [r0,:64], r1
|
||||
vst1.16 {\dreg4}, [r0,:64], r1
|
||||
.endm
|
||||
|
||||
@ Round, shift and saturate and store qreg1-4
|
||||
@ qreg1-2 belong to one line and qreg3-4 to the second line.
|
||||
@ dreg1-2 == qreg1, dreg3-4 == qreg2.
|
||||
.macro do_store8 qreg1, qreg2, qreg3, qreg4, dreg1, dreg2, dreg3, dreg4, minreg, type
|
||||
vqrshrun.s32 \dreg1, \qreg1, #7
|
||||
vqrshrun.s32 \dreg2, \qreg2, #7
|
||||
vqrshrun.s32 \dreg3, \qreg3, #7
|
||||
vqrshrun.s32 \dreg4, \qreg4, #7
|
||||
.ifc \type,avg
|
||||
vld1.16 {\qreg3}, [r6,:128], r1
|
||||
vld1.16 {\qreg4}, [r6,:128], r1
|
||||
.endif
|
||||
vmin.u16 \qreg1, \qreg1, \minreg
|
||||
vmin.u16 \qreg2, \qreg2, \minreg
|
||||
.ifc \type,avg
|
||||
vrhadd.u16 \qreg1, \qreg1, \qreg3
|
||||
vrhadd.u16 \qreg2, \qreg2, \qreg4
|
||||
.endif
|
||||
vst1.16 {\qreg1}, [r0,:128], r1
|
||||
vst1.16 {\qreg2}, [r0,:128], r1
|
||||
.endm
|
||||
|
||||
@ Evaluate the filter twice in parallel, from the inputs src1-src9 into dst1-dst2
|
||||
@ (src1-src8 into dst1, src2-src9 into dst2).
|
||||
.macro convolve4 dst1, dst2, src1, src2, src3, src4, src5, src6, src7, src8, src9, tmp1, tmp2
|
||||
vmull.s16 \dst1, \src1, d0[0]
|
||||
vmull.s16 \dst2, \src2, d0[0]
|
||||
vmull.s16 \tmp1, \src2, d0[1]
|
||||
vmull.s16 \tmp2, \src3, d0[1]
|
||||
vmlal.s16 \dst1, \src3, d0[2]
|
||||
vmlal.s16 \dst2, \src4, d0[2]
|
||||
vmlal.s16 \tmp1, \src4, d0[3]
|
||||
vmlal.s16 \tmp2, \src5, d0[3]
|
||||
vmlal.s16 \dst1, \src5, d1[0]
|
||||
vmlal.s16 \dst2, \src6, d1[0]
|
||||
vmlal.s16 \tmp1, \src6, d1[1]
|
||||
vmlal.s16 \tmp2, \src7, d1[1]
|
||||
vmlal.s16 \dst1, \src7, d1[2]
|
||||
vmlal.s16 \dst2, \src8, d1[2]
|
||||
vmlal.s16 \tmp1, \src8, d1[3]
|
||||
vmlal.s16 \tmp2, \src9, d1[3]
|
||||
vadd.s32 \dst1, \dst1, \tmp1
|
||||
vadd.s32 \dst2, \dst2, \tmp2
|
||||
.endm
|
||||
|
||||
@ Evaluate the filter twice in parallel. This does the same as convolve4 above,
|
||||
@ but with double width (two input/output registers per row).
|
||||
.macro convolve8 dst1, dst2, dst3, dst4, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10, src11, src12, src13, src14, src15, src16, src17, src18
|
||||
vmull.s16 \dst1, \src1, d0[0]
|
||||
vmull.s16 \dst2, \src2, d0[0]
|
||||
vmull.s16 \dst3, \src3, d0[0]
|
||||
vmull.s16 \dst4, \src4, d0[0]
|
||||
vmlal.s16 \dst1, \src3, d0[1]
|
||||
vmlal.s16 \dst2, \src4, d0[1]
|
||||
vmlal.s16 \dst3, \src5, d0[1]
|
||||
vmlal.s16 \dst4, \src6, d0[1]
|
||||
vmlal.s16 \dst1, \src5, d0[2]
|
||||
vmlal.s16 \dst2, \src6, d0[2]
|
||||
vmlal.s16 \dst3, \src7, d0[2]
|
||||
vmlal.s16 \dst4, \src8, d0[2]
|
||||
vmlal.s16 \dst1, \src7, d0[3]
|
||||
vmlal.s16 \dst2, \src8, d0[3]
|
||||
vmlal.s16 \dst3, \src9, d0[3]
|
||||
vmlal.s16 \dst4, \src10, d0[3]
|
||||
vmlal.s16 \dst1, \src9, d1[0]
|
||||
vmlal.s16 \dst2, \src10, d1[0]
|
||||
vmlal.s16 \dst3, \src11, d1[0]
|
||||
vmlal.s16 \dst4, \src12, d1[0]
|
||||
vmlal.s16 \dst1, \src11, d1[1]
|
||||
vmlal.s16 \dst2, \src12, d1[1]
|
||||
vmlal.s16 \dst3, \src13, d1[1]
|
||||
vmlal.s16 \dst4, \src14, d1[1]
|
||||
vmlal.s16 \dst1, \src13, d1[2]
|
||||
vmlal.s16 \dst2, \src14, d1[2]
|
||||
vmlal.s16 \dst3, \src15, d1[2]
|
||||
vmlal.s16 \dst4, \src16, d1[2]
|
||||
vmlal.s16 \dst1, \src15, d1[3]
|
||||
vmlal.s16 \dst2, \src16, d1[3]
|
||||
vmlal.s16 \dst3, \src17, d1[3]
|
||||
vmlal.s16 \dst4, \src18, d1[3]
|
||||
.endm
|
||||
|
||||
@ Instantiate a vertical filter function for filtering 8 pixels at a time.
|
||||
@ The height is passed in r4, the width in r5 and the filter coefficients
|
||||
@ in r12.
|
||||
.macro do_8tap_8v type
|
||||
function \type\()_8tap_8v
|
||||
sub r2, r2, r3, lsl #1
|
||||
sub r2, r2, r3
|
||||
vld1.16 {q0}, [r12, :128]
|
||||
1:
|
||||
.ifc \type,avg
|
||||
mov r6, r0
|
||||
.endif
|
||||
mov r12, r4
|
||||
|
||||
vld1.16 {q5}, [r2], r3
|
||||
vld1.16 {q6}, [r2], r3
|
||||
vld1.16 {q7}, [r2], r3
|
||||
vld1.16 {q8}, [r2], r3
|
||||
vld1.16 {q9}, [r2], r3
|
||||
vld1.16 {q10}, [r2], r3
|
||||
vld1.16 {q11}, [r2], r3
|
||||
2:
|
||||
vld1.16 {q12}, [r2], r3
|
||||
vld1.16 {q13}, [r2], r3
|
||||
vld1.16 {q14}, [r2], r3
|
||||
vld1.16 {q15}, [r2], r3
|
||||
convolve8 q2, q3, q4, q5, d10, d11, d12, d13, d14, d15, d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27
|
||||
do_store8 q2, q3, q4, q5, d4, d5, d6, d7, q1, \type
|
||||
convolve8 q2, q3, q4, q5, d14, d15, d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31
|
||||
do_store8 q2, q3, q4, q5, d4, d5, d6, d7, q1, \type
|
||||
|
||||
subs r12, r12, #4
|
||||
beq 8f
|
||||
|
||||
vld1.16 {q4}, [r2], r3
|
||||
vld1.16 {q5}, [r2], r3
|
||||
vld1.16 {q6}, [r2], r3
|
||||
vld1.16 {q7}, [r2], r3
|
||||
convolve8 q2, q3, q8, q9, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31, d8, d9, d10, d11
|
||||
do_store8 q2, q3, q8, q9, d4, d5, d6, d7, q1, \type
|
||||
convolve8 q2, q3, q8, q9, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31, d8, d9, d10, d11, d12, d13, d14, d15
|
||||
do_store8 q2, q3, q8, q9, d4, d5, d6, d7, q1, \type
|
||||
|
||||
subs r12, r12, #4
|
||||
beq 8f
|
||||
|
||||
vld1.16 {q8}, [r2], r3
|
||||
vld1.16 {q9}, [r2], r3
|
||||
vld1.16 {q10}, [r2], r3
|
||||
vld1.16 {q11}, [r2], r3
|
||||
convolve8 q2, q3, q12, q13, d26, d27, d28, d29, d30, d31, d8, d9, d10, d11, d12, d13, d14, d15, d16, d17, d18, d19
|
||||
do_store8 q2, q3, q12, q13, d4, d5, d6, d7, q1, \type
|
||||
convolve8 q2, q3, q12, q13, d30, d31, d8, d9, d10, d11, d12, d13, d14, d15, d16, d17, d18, d19, d20, d21, d22, d23
|
||||
do_store8 q2, q3, q12, q13, d4, d5, d6, d7, q1, \type
|
||||
|
||||
subs r12, r12, #4
|
||||
bne 2b
|
||||
|
||||
8:
|
||||
subs r5, r5, #8
|
||||
beq 9f
|
||||
@ r0 -= h * dst_stride
|
||||
mls r0, r1, r4, r0
|
||||
@ r2 -= h * src_stride
|
||||
mls r2, r3, r4, r2
|
||||
@ r2 -= 8 * src_stride
|
||||
sub r2, r2, r3, lsl #3
|
||||
@ r2 += 1 * src_stride
|
||||
add r2, r2, r3
|
||||
add r2, r2, #16
|
||||
add r0, r0, #16
|
||||
b 1b
|
||||
9:
|
||||
vpop {q4-q7}
|
||||
pop {r4-r6}
|
||||
bx lr
|
||||
endfunc
|
||||
.endm
|
||||
|
||||
do_8tap_8v put
|
||||
do_8tap_8v avg
|
||||
|
||||
@ Instantiate a vertical filter function for filtering a 4 pixels wide
|
||||
@ slice. This only is designed to work for 4 or 8 output lines.
|
||||
.macro do_8tap_4v type
|
||||
function \type\()_8tap_4v
|
||||
sub r2, r2, r3, lsl #1
|
||||
sub r2, r2, r3
|
||||
vld1.16 {q0}, [r12, :128]
|
||||
.ifc \type,avg
|
||||
mov r6, r0
|
||||
.endif
|
||||
|
||||
vld1.16 {d16}, [r2], r3
|
||||
vld1.16 {d17}, [r2], r3
|
||||
vld1.16 {d18}, [r2], r3
|
||||
vld1.16 {d19}, [r2], r3
|
||||
vld1.16 {d20}, [r2], r3
|
||||
vld1.16 {d21}, [r2], r3
|
||||
vld1.16 {d22}, [r2], r3
|
||||
vld1.16 {d23}, [r2], r3
|
||||
vld1.16 {d24}, [r2], r3
|
||||
vld1.16 {d25}, [r2], r3
|
||||
vld1.16 {d26}, [r2], r3
|
||||
convolve4 q2, q3, d16, d17, d18, d19, d20, d21, d22, d23, d24, q14, q15
|
||||
convolve4 q14, q15, d18, d19, d20, d21, d22, d23, d24, d25, d26, q8, q9
|
||||
do_store4 q2, d4, q3, d6, q14, d28, q15, d30, d5, d7, d29, d31, d2, \type
|
||||
|
||||
subs r4, r4, #4
|
||||
beq 9f
|
||||
|
||||
vld1.16 {d27}, [r2], r3
|
||||
vld1.16 {d28}, [r2], r3
|
||||
vld1.16 {d29}, [r2], r3
|
||||
vld1.16 {d30}, [r2], r3
|
||||
convolve4 q2, q3, d20, d21, d22, d23, d24, d25, d26, d27, d28, q8, q9
|
||||
convolve4 q8, q9, d22, d23, d24, d25, d26, d27, d28, d29, d30, q10, q11
|
||||
do_store4 q2, d4, q3, d6, q8, d16, q9, d18, d5, d7, d17, d19, d2, \type
|
||||
|
||||
9:
|
||||
pop {r4-r6}
|
||||
bx lr
|
||||
endfunc
|
||||
.endm
|
||||
|
||||
do_8tap_4v put
|
||||
do_8tap_4v avg
|
||||
|
||||
.macro do_8tap_v_func type, filter, offset, size, bpp
|
||||
function ff_vp9_\type\()_\filter\()\size\()_v_\bpp\()_neon, export=1
|
||||
push {r4-r6}
|
||||
ldr r4, [sp, #12]
|
||||
ldr r5, [sp, #20]
|
||||
.if \size >= 8
|
||||
vpush {q4-q7}
|
||||
.endif
|
||||
vmvn.u16 q1, #((0xffff << \bpp) & 0xffff)
|
||||
movrelx r12, X(ff_vp9_subpel_filters), r6
|
||||
add r12, r12, 256*\offset
|
||||
add r12, r12, r5, lsl #4
|
||||
mov r5, #\size
|
||||
.if \size >= 8
|
||||
b \type\()_8tap_8v
|
||||
.else
|
||||
b \type\()_8tap_4v
|
||||
.endif
|
||||
endfunc
|
||||
.endm
|
||||
|
||||
.macro do_8tap_v_filters size, bpp
|
||||
do_8tap_v_func put, regular, 1, \size, \bpp
|
||||
do_8tap_v_func avg, regular, 1, \size, \bpp
|
||||
do_8tap_v_func put, sharp, 2, \size, \bpp
|
||||
do_8tap_v_func avg, sharp, 2, \size, \bpp
|
||||
do_8tap_v_func put, smooth, 0, \size, \bpp
|
||||
do_8tap_v_func avg, smooth, 0, \size, \bpp
|
||||
.endm
|
||||
|
||||
.macro do_8tap_v_filters_bpp bpp
|
||||
do_8tap_v_filters 64, \bpp
|
||||
do_8tap_v_filters 32, \bpp
|
||||
do_8tap_v_filters 16, \bpp
|
||||
do_8tap_v_filters 8, \bpp
|
||||
do_8tap_v_filters 4, \bpp
|
||||
.endm
|
||||
|
||||
do_8tap_v_filters_bpp 10
|
||||
do_8tap_v_filters_bpp 12
|
||||
Loading…
Reference in New Issue
Block a user