/*

  * HEVC video decoder

  *
  * Copyright (C) 2012 - 2013 Guillaume Martres
  *
  * 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_HEVCDSP_H
 #define AVCODEC_HEVCDSP_H
 
 #include "get_bits.h"
 

 typedef struct SAOParams {
     int offset_abs[3][4];   ///< sao_offset_abs
     int offset_sign[3][4];  ///< sao_offset_sign

     int band_position[3];   ///< sao_band_position

     int eo_class[3];        ///< sao_eo_class

     int offset_val[3][5];   ///<SaoOffsetVal

     uint8_t type_idx[3];    ///< sao_type_idx
 } SAOParams;

 typedef struct HEVCDSPContext {
     void (*put_pcm)(uint8_t *dst, ptrdiff_t stride, int size,
                     GetBitContext *gb, int pcm_bit_depth);

     void (*transquant_bypass[4])(uint8_t *dst, int16_t *coeffs,
                                  ptrdiff_t stride);

     void (*transform_skip)(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride);
     void (*transform_4x4_luma_add)(uint8_t *dst, int16_t *coeffs,
                                    ptrdiff_t stride);
     void (*transform_add[4])(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride);
 
     void (*sao_band_filter[4])(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                                struct SAOParams *sao, int *borders,
                                int width, int height, int c_idx);
     void (*sao_edge_filter[4])(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                                struct SAOParams *sao, int *borders, int width,
                                int height, int c_idx, uint8_t vert_edge,
                                uint8_t horiz_edge, uint8_t diag_edge);
 
     void (*put_hevc_qpel[4][4])(int16_t *dst, ptrdiff_t dststride, uint8_t *src,
                                 ptrdiff_t srcstride, int width, int height,
                                 int16_t *mcbuffer);
     void (*put_hevc_epel[2][2])(int16_t *dst, ptrdiff_t dststride, uint8_t *src,
                                 ptrdiff_t srcstride, int width, int height,
                                 int mx, int my, int16_t *mcbuffer);
 
     void (*put_unweighted_pred)(uint8_t *dst, ptrdiff_t dststride, int16_t *src,
                                 ptrdiff_t srcstride, int width, int height);
     void (*put_weighted_pred_avg)(uint8_t *dst, ptrdiff_t dststride,
                                   int16_t *src1, int16_t *src2,

                                   ptrdiff_t srcstride, int width, int height);

     void (*weighted_pred)(uint8_t denom, int16_t wlxFlag, int16_t olxFlag,
                           uint8_t *dst, ptrdiff_t dststride, int16_t *src,
                           ptrdiff_t srcstride, int width, int height);
     void (*weighted_pred_avg)(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag,
                               int16_t ol0Flag, int16_t ol1Flag, uint8_t *dst,
                               ptrdiff_t dststride, int16_t *src1, int16_t *src2,
                               ptrdiff_t srcstride, int width, int height);
 
     void (*hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
                                     int *beta, int *tc,
                                     uint8_t *no_p, uint8_t *no_q);
     void (*hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
                                     int *beta, int *tc,
                                     uint8_t *no_p, uint8_t *no_q);
     void (*hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
                                       int *tc, uint8_t *no_p, uint8_t *no_q);
     void (*hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
                                       int *tc, uint8_t *no_p, uint8_t *no_q);
     void (*hevc_h_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
                                       int *beta, int *tc,
                                       uint8_t *no_p, uint8_t *no_q);
     void (*hevc_v_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
                                       int *beta, int *tc,
                                       uint8_t *no_p, uint8_t *no_q);
     void (*hevc_h_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
                                         int *tc, uint8_t *no_p,
                                         uint8_t *no_q);
     void (*hevc_v_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
                                         int *tc, uint8_t *no_p,
                                         uint8_t *no_q);

 } HEVCDSPContext;
 
 void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
 
 extern const int8_t ff_hevc_epel_filters[7][16];
 
 #endif /* AVCODEC_HEVCDSP_H */