/*
  * 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
  * 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 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
  */
 
 #ifndef AVCODEC_RV34DSP_H
 #define AVCODEC_RV34DSP_H
 

 #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 */