/**
  * VP8 compatible video decoder
  *
  * Copyright (C) 2010 David Conrad
  * Copyright (C) 2010 Ronald S. Bultje
  *
  * 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
  */
 
 
 #ifndef AVCODEC_VP8DSP_H
 #define AVCODEC_VP8DSP_H
 
 #include "dsputil.h"
 

 typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, int dstStride, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y);
 

 typedef struct VP8DSPContext {
     void (*vp8_luma_dc_wht)(DCTELEM block[4][4][16], DCTELEM dc[16]);

     void (*vp8_luma_dc_wht_dc)(DCTELEM block[4][4][16], DCTELEM dc[16]);

     void (*vp8_idct_add)(uint8_t *dst, DCTELEM block[16], int stride);
     void (*vp8_idct_dc_add)(uint8_t *dst, DCTELEM block[16], int stride);

     void (*vp8_idct_dc_add4y)(uint8_t *dst, DCTELEM block[4][16], int stride);
     void (*vp8_idct_dc_add4uv)(uint8_t *dst, DCTELEM block[4][16], int stride);

 
     // loop filter applied to edges between macroblocks

     void (*vp8_v_loop_filter16y)(uint8_t *dst, int stride,
                                  int flim_E, int flim_I, int hev_thresh);
     void (*vp8_h_loop_filter16y)(uint8_t *dst, int stride,
                                  int flim_E, int flim_I, int hev_thresh);
     void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, int stride,
                                  int flim_E, int flim_I, int hev_thresh);
     void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, int stride,
                                  int flim_E, int flim_I, int hev_thresh);

 
     // loop filter applied to inner macroblock edges

     void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, int stride,
                                        int flim_E, int flim_I, int hev_thresh);
     void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, int stride,
                                        int flim_E, int flim_I, int hev_thresh);
     void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, int stride,
                                        int flim_E, int flim_I, int hev_thresh);
     void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, int stride,
                                        int flim_E, int flim_I, int hev_thresh);

 
     void (*vp8_v_loop_filter_simple)(uint8_t *dst, int stride, int flim);
     void (*vp8_h_loop_filter_simple)(uint8_t *dst, int stride, int flim);
 
     /**
      * first dimension: width>>3, height is assumed equal to width
      * second dimension: 0 if no vertical interpolation is needed;
      *                   1 4-tap vertical interpolation filter (my & 1)
      *                   2 6-tap vertical interpolation filter (!(my & 1))
      * third dimension: same as second dimention, for horizontal interpolation
      * so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
      */

     vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];

     vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];

 } VP8DSPContext;
 
 void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y);
 void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y);
 void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y);
 
 void ff_vp8dsp_init(VP8DSPContext *c);

 void ff_vp8dsp_init_x86(VP8DSPContext *c);

 void ff_vp8dsp_init_altivec(VP8DSPContext *c);

 void ff_vp8dsp_init_arm(VP8DSPContext *c);

 
 #endif /* AVCODEC_VP8DSP_H */