/*

  * 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_HUFFYUVDSP_H
 #define AVCODEC_HUFFYUVDSP_H
 
 #include <stdint.h>
 

 #if HAVE_BIGENDIAN
 #define B 3
 #define G 2
 #define R 1
 #define A 0
 #else
 #define B 0
 #define G 1
 #define R 2
 #define A 3
 #endif
 

 typedef struct HuffYUVDSPContext {
     void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,

                       intptr_t w);

     void (*add_hfyu_median_pred)(uint8_t *dst, const uint8_t *top,

                                  const uint8_t *diff, intptr_t w,

                                  int *left, int *left_top);
     int (*add_hfyu_left_pred)(uint8_t *dst, const uint8_t *src,

                               intptr_t w, int left);

     void (*add_hfyu_left_pred_bgr32)(uint8_t *dst, const uint8_t *src,

                                      intptr_t w, uint8_t *left);

 } HuffYUVDSPContext;
 
 void ff_huffyuvdsp_init(HuffYUVDSPContext *c);
 void ff_huffyuvdsp_init_ppc(HuffYUVDSPContext *c);
 void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c);
 
 #endif /* AVCODEC_HUFFYUVDSP_H */