/*
  * VC-1 and WMV3 decoder - DSP functions
  * Copyright (c) 2006 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
  * VC-1 and WMV3 decoder
  *
  */
 
 #ifndef AVCODEC_VC1DSP_H
 #define AVCODEC_VC1DSP_H
 
 #include "dsputil.h"
 
 typedef struct VC1DSPContext {
     /* vc1 functions */

     void (*vc1_inv_trans_8x8)(DCTELEM *b);

     void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
     void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
     void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
     void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
     void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
     void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
     void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);

     void (*vc1_v_overlap)(uint8_t *src, int stride);
     void (*vc1_h_overlap)(uint8_t *src, int stride);
     void (*vc1_v_s_overlap)(DCTELEM *top,  DCTELEM *bottom);
     void (*vc1_h_s_overlap)(DCTELEM *left, DCTELEM *right);

     void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq);
     void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
     void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
     void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
     void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
     void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
 
     /* put 8x8 block with bicubic interpolation and quarterpel precision
      * last argument is actually round value instead of height
      */
     op_pixels_func put_vc1_mspel_pixels_tab[16];
     op_pixels_func avg_vc1_mspel_pixels_tab[16];
 
     /* This is really one func used in VC-1 decoding */
     h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
     h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];

 
     /* Windows Media Image functions */
     void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count);
     void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width);
     void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width);
     void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
                                                    const uint8_t *src2a, int alpha, int width);
     void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
                                                    const uint8_t *src2a, const uint8_t *src2b, int offset2,
                                      int alpha, int width);

 } VC1DSPContext;
 
 void ff_vc1dsp_init(VC1DSPContext* c);
 void ff_vc1dsp_init_altivec(VC1DSPContext* c);
 void ff_vc1dsp_init_mmx(VC1DSPContext* dsp);
 
 #endif /* AVCODEC_VC1DSP_H */