89 lines
3.4 KiB
C
89 lines
3.4 KiB
C
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/*
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* RV30/40 decoder motion compensation functions
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* Copyright (c) 2008 Konstantin Shishkov
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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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/**
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* @file
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* RV30/40 decoder motion compensation functions
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*/
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#ifndef AVCODEC_RV34DSP_H
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#define AVCODEC_RV34DSP_H
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#include "h264chroma.h"
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#include "qpeldsp.h"
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typedef void (*rv40_weight_func)(uint8_t *dst/*align width (8 or 16)*/,
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uint8_t *src1/*align width (8 or 16)*/,
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uint8_t *src2/*align width (8 or 16)*/,
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int w1, int w2, ptrdiff_t stride);
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typedef void (*rv34_inv_transform_func)(int16_t *block);
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typedef void (*rv34_idct_add_func)(uint8_t *dst, ptrdiff_t stride, int16_t *block);
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typedef void (*rv34_idct_dc_add_func)(uint8_t *dst, ptrdiff_t stride,
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int dc);
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typedef void (*rv40_weak_loop_filter_func)(uint8_t *src, ptrdiff_t stride,
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int filter_p1, int filter_q1,
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int alpha, int beta,
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int lims, int lim_q1, int lim_p1);
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typedef void (*rv40_strong_loop_filter_func)(uint8_t *src, ptrdiff_t stride,
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int alpha, int lims,
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int dmode, int chroma);
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typedef int (*rv40_loop_filter_strength_func)(uint8_t *src, ptrdiff_t stride,
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int beta, int beta2, int edge,
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int *p1, int *q1);
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typedef struct RV34DSPContext {
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qpel_mc_func put_pixels_tab[4][16];
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qpel_mc_func avg_pixels_tab[4][16];
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h264_chroma_mc_func put_chroma_pixels_tab[3];
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h264_chroma_mc_func avg_chroma_pixels_tab[3];
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/**
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* Biweight functions, first dimension is transform size (16/8),
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* second is whether the weight is prescaled by 1/512 to skip
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* the intermediate shifting.
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*/
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rv40_weight_func rv40_weight_pixels_tab[2][2];
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rv34_inv_transform_func rv34_inv_transform;
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rv34_inv_transform_func rv34_inv_transform_dc;
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rv34_idct_add_func rv34_idct_add;
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rv34_idct_dc_add_func rv34_idct_dc_add;
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rv40_weak_loop_filter_func rv40_weak_loop_filter[2];
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rv40_strong_loop_filter_func rv40_strong_loop_filter[2];
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rv40_loop_filter_strength_func rv40_loop_filter_strength[2];
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} RV34DSPContext;
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void ff_rv30dsp_init(RV34DSPContext *c);
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void ff_rv34dsp_init(RV34DSPContext *c);
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void ff_rv40dsp_init(RV34DSPContext *c);
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void ff_rv34dsp_init_arm(RV34DSPContext *c);
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void ff_rv34dsp_init_x86(RV34DSPContext *c);
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void ff_rv40dsp_init_aarch64(RV34DSPContext *c);
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void ff_rv40dsp_init_x86(RV34DSPContext *c);
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void ff_rv40dsp_init_arm(RV34DSPContext *c);
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#endif /* AVCODEC_RV34DSP_H */
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