/*
  * Copyright (C) 2010 David Conrad
  *
  * 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_DIRACDSP_H
 #define AVCODEC_DIRACDSP_H
 

 #include <stdint.h>

 #include <stddef.h>

 typedef void (*dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h);

 typedef void (*dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h);

 
 typedef struct {

     void (*dirac_hpel_filter)(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, int stride, int width, int height);

     /**
      * dirac_pixels_tab[width][subpel]
      * width is 2 for 32, 1 for 16, 0 for 8
      * subpel is 0 for fpel and hpel (only need to copy from the first plane in src)
      *           1 if an average of the first 2 planes is needed (TODO: worth it?)
      *           2 for general qpel (avg of 4)
      *           3 for general epel (biweight of 4 using the weights in src[4])
      * src[0-3] is each of the hpel planes
      * src[4] is the 1/8 pel weights if needed
      */
     void (*put_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h);
     void (*avg_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h);
 

     void (*put_signed_rect_clamped[3])(uint8_t *dst/*align 16*/, int dst_stride, const uint8_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/);
     void (*put_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const uint8_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/);

     void (*add_rect_clamped)(uint8_t *dst/*align 16*/, const uint16_t *src/*align 16*/, int stride, const int16_t *idwt/*align 16*/, int idwt_stride, int width, int height/*mod 2*/);
     void (*add_dirac_obmc[3])(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
 

     /* 0-1: int16_t and int32_t asm/c, 2-3: int16 and int32_t, C only */
     void (*dequant_subband[4])(uint8_t *src, uint8_t *dst, ptrdiff_t stride, const int qf, const int qs, int tot_v, int tot_h);
 

     dirac_weight_func weight_dirac_pixels_tab[3];
     dirac_biweight_func biweight_dirac_pixels_tab[3];
 } DiracDSPContext;
 

 #define DECL_DIRAC_PIXOP(PFX, EXT)                                      \

     void ff_ ## PFX ## _dirac_pixels8_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \
     void ff_ ## PFX ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \
     void ff_ ## PFX ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h)
 
 DECL_DIRAC_PIXOP(put, c);
 DECL_DIRAC_PIXOP(avg, c);
 DECL_DIRAC_PIXOP(put, l2_c);
 DECL_DIRAC_PIXOP(avg, l2_c);
 DECL_DIRAC_PIXOP(put, l4_c);
 DECL_DIRAC_PIXOP(avg, l4_c);
 
 void ff_diracdsp_init(DiracDSPContext *c);

 void ff_diracdsp_init_x86(DiracDSPContext* c);

 #endif /* AVCODEC_DIRACDSP_H */