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* RV30/40 decoder motion compensation functions
* Copyright (c) 2008 Konstantin Shishkov
* This file is part of FFmpeg.
* FFmpeg 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.
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* @file
* RV30/40 decoder motion compensation functions
#include "h264chroma.h"
#include "qpeldsp.h"
typedef void (*rv40_weight_func)(uint8_t *dst/*align width (8 or 16)*/,
uint8_t *src1/*align width (8 or 16)*/,
uint8_t *src2/*align width (8 or 16)*/,
int w1, int w2, ptrdiff_t stride);
typedef void (*rv34_inv_transform_func)(int16_t *block);
typedef void (*rv34_idct_add_func)(uint8_t *dst, ptrdiff_t stride, int16_t *block);
typedef void (*rv34_idct_dc_add_func)(uint8_t *dst, ptrdiff_t stride,
int dc);
typedef void (*rv40_weak_loop_filter_func)(uint8_t *src, ptrdiff_t stride,
int filter_p1, int filter_q1,
int alpha, int beta,
int lims, int lim_q1, int lim_p1);
typedef void (*rv40_strong_loop_filter_func)(uint8_t *src, ptrdiff_t stride,
int alpha, int lims,
int dmode, int chroma);
typedef int (*rv40_loop_filter_strength_func)(uint8_t *src, ptrdiff_t stride,
int beta, int beta2, int edge,
int *p1, int *q1);
typedef struct RV34DSPContext {
qpel_mc_func put_pixels_tab[4][16];
qpel_mc_func avg_pixels_tab[4][16];
h264_chroma_mc_func put_chroma_pixels_tab[3];
h264_chroma_mc_func avg_chroma_pixels_tab[3];
* Biweight functions, first dimension is transform size (16/8),
* second is whether the weight is prescaled by 1/512 to skip
* the intermediate shifting.
rv40_weight_func rv40_weight_pixels_tab[2][2];
rv34_inv_transform_func rv34_inv_transform;
rv34_inv_transform_func rv34_inv_transform_dc;
rv34_idct_add_func rv34_idct_add;
rv34_idct_dc_add_func rv34_idct_dc_add;
rv40_weak_loop_filter_func rv40_weak_loop_filter[2];
rv40_strong_loop_filter_func rv40_strong_loop_filter[2];
rv40_loop_filter_strength_func rv40_loop_filter_strength[2];
} RV34DSPContext;
void ff_rv30dsp_init(RV34DSPContext *c);
void ff_rv34dsp_init(RV34DSPContext *c);
void ff_rv40dsp_init(RV34DSPContext *c);
void ff_rv34dsp_init_arm(RV34DSPContext *c);
void ff_rv34dsp_init_x86(RV34DSPContext *c);
void ff_rv40dsp_init_aarch64(RV34DSPContext *c);
void ff_rv40dsp_init_x86(RV34DSPContext *c);
void ff_rv40dsp_init_arm(RV34DSPContext *c);
#endif /* AVCODEC_RV34DSP_H */