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  1. /*
  2.  * HEVC video Decoder
  3.  *
  4.  * Copyright (C) 2012 - 2013 Guillaume Martres
  5.  *
  6.  * This file is part of FFmpeg.
  7.  *
  8.  * FFmpeg is free software; you can redistribute it and/or
  9.  * modify it under the terms of the GNU Lesser General Public
  10.  * License as published by the Free Software Foundation; either
  11.  * version 2.1 of the License, or (at your option) any later version.
  12.  *
  13.  * FFmpeg is distributed in the hope that it will be useful,
  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16.  * Lesser General Public License for more details.
  17.  *
  18.  * You should have received a copy of the GNU Lesser General Public
  19.  * License along with FFmpeg; if not, write to the Free Software
  20.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21.  */
  22.  
  23. #ifndef AVCODEC_HEVCDSP_H
  24. #define AVCODEC_HEVCDSP_H
  25.  
  26. #include "get_bits.h"
  27.  
  28. struct SAOParams;
  29.  
  30. typedef struct HEVCDSPContext {
  31.     void (*put_pcm)(uint8_t *_dst, ptrdiff_t _stride, int size,
  32.                     GetBitContext *gb, int pcm_bit_depth);
  33.  
  34.     void (*transquant_bypass[4])(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride);
  35.  
  36.     void (*transform_skip)(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride);
  37.  
  38.     void (*transform_4x4_luma_add)(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride);
  39.  
  40.     void (*transform_add[4])(uint8_t *dst, int16_t *coeffs, ptrdiff_t _stride);
  41.  
  42.     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);
  43.  
  44.     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);
  45.  
  46.  
  47.     void (*put_hevc_qpel[4][4])(int16_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride,
  48.                                 int width, int height, int16_t* mcbuffer);
  49.  
  50.     void (*put_hevc_epel[2][2])(int16_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride,
  51.                              int width, int height, int mx, int my, int16_t* mcbuffer);
  52.  
  53.     void (*put_unweighted_pred)(uint8_t *dst, ptrdiff_t dststride, int16_t *src, ptrdiff_t srcstride,
  54.                                 int width, int height);
  55.  
  56.     void (*put_weighted_pred_avg)(uint8_t *dst, ptrdiff_t dststride, int16_t *src1, int16_t *src2,
  57.                                   ptrdiff_t srcstride, int width, int height);
  58.     void (*weighted_pred)(uint8_t denom, int16_t wlxFlag, int16_t olxFlag, uint8_t *dst, ptrdiff_t dststride, int16_t *src,
  59.                                   ptrdiff_t srcstride, int width, int height);
  60.     void (*weighted_pred_avg)(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag, int16_t ol0Flag, int16_t ol1Flag,
  61.                                    uint8_t *dst, ptrdiff_t dststride, int16_t *src1, int16_t *src2,
  62.                                    ptrdiff_t srcstride, int width, int height);
  63.     void (*hevc_h_loop_filter_luma)(uint8_t *_pix, ptrdiff_t _stride, int *_beta, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  64.     void (*hevc_v_loop_filter_luma)(uint8_t *_pix, ptrdiff_t _stride, int *_beta, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  65.     void (*hevc_h_loop_filter_chroma)(uint8_t *_pix, ptrdiff_t _stride, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  66.     void (*hevc_v_loop_filter_chroma)(uint8_t *_pix, ptrdiff_t _stride, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  67.     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);
  68.     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);
  69.     void (*hevc_h_loop_filter_chroma_c)(uint8_t *_pix, ptrdiff_t _stride, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  70.     void (*hevc_v_loop_filter_chroma_c)(uint8_t *_pix, ptrdiff_t _stride, int *_tc, uint8_t *_no_p, uint8_t *_no_q);
  71. } HEVCDSPContext;
  72.  
  73. void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
  74.  
  75. extern const int8_t ff_hevc_epel_filters[7][16];
  76.  
  77. #endif /* AVCODEC_HEVCDSP_H */
  78.