/*
  * Lossless video DSP utils
  *
  * 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_LOSSLESS_VIDEODSP_H
 #define AVCODEC_LOSSLESS_VIDEODSP_H
 

 #include <stdint.h>
 #include <stddef.h>
 

 #include "avcodec.h"
 #include "libavutil/cpu.h"
 
 typedef struct LLVidDSPContext {

     void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,

                       ptrdiff_t w);

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

                             const uint8_t *diff, ptrdiff_t w,

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

                          ptrdiff_t w, int left);

     int  (*add_left_pred_int16)(uint16_t *dst, const uint16_t *src,

                                 unsigned mask, ptrdiff_t w, unsigned left);

 } LLVidDSPContext;
 

 void ff_llviddsp_init(LLVidDSPContext *llviddsp);
 void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp);
 void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp);

 
 #endif //AVCODEC_LOSSLESS_VIDEODSP_H