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https://gitee.com/openharmony/third_party_ffmpeg
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57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
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/*
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* Half-pel DSP functions.
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* Copyright (c) 2000, 2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
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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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/**
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* @file
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* Half-pel DSP functions.
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/intreadwrite.h"
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#include "hpeldsp.h"
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#define BIT_DEPTH 8
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#include "hpeldsp_template.c"
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av_cold void ff_hpeldsp_init(HpelDSPContext *c, int flags)
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{
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#define hpel_funcs(prefix, idx, num) \
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c->prefix ## _pixels_tab idx [0] = prefix ## _pixels ## num ## _8_c; \
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c->prefix ## _pixels_tab idx [1] = prefix ## _pixels ## num ## _x2_8_c; \
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c->prefix ## _pixels_tab idx [2] = prefix ## _pixels ## num ## _y2_8_c; \
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c->prefix ## _pixels_tab idx [3] = prefix ## _pixels ## num ## _xy2_8_c
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hpel_funcs(put, [0], 16);
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hpel_funcs(put, [1], 8);
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hpel_funcs(put, [2], 4);
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hpel_funcs(put, [3], 2);
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hpel_funcs(put_no_rnd, [0], 16);
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hpel_funcs(put_no_rnd, [1], 8);
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hpel_funcs(avg, [0], 16);
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hpel_funcs(avg, [1], 8);
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hpel_funcs(avg, [2], 4);
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hpel_funcs(avg, [3], 2);
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hpel_funcs(avg_no_rnd,, 16);
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}
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