/*
  * thirdpel DSP functions
  *

  * 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
  * thirdpel DSP functions
  */
 
 #ifndef AVCODEC_TPELDSP_H
 #define AVCODEC_TPELDSP_H
 
 #include <stdint.h>
 
 /* add and put pixel (decoding) */
 // blocksizes for hpel_pixels_func are 8x4,8x8 16x8 16x16
 // h for hpel_pixels_func is limited to {width/2, width} but never larger
 // than 16 and never smaller than 4
 typedef void (*tpel_mc_func)(uint8_t *block /* align width (8 or 16) */,
                              const uint8_t *pixels /* align 1 */,
                              int line_size, int w, int h);
 
 /**
  * thirdpel DSP context
  */
 typedef struct TpelDSPContext {
     /**
      * Thirdpel motion compensation with rounding (a + b + 1) >> 1.
      * this is an array[12] of motion compensation functions for the
      * 9 thirdpel positions<br>
      * *pixels_tab[xthirdpel + 4 * ythirdpel]
      * @param block destination where the result is stored
      * @param pixels source
      * @param line_size number of bytes in a horizontal line of block
      * @param h height
      */
     tpel_mc_func put_tpel_pixels_tab[11]; // FIXME individual func ptr per width?
     tpel_mc_func avg_tpel_pixels_tab[11]; // FIXME individual func ptr per width?
 } TpelDSPContext;
 
 void ff_tpeldsp_init(TpelDSPContext *c);
 
 #endif /* AVCODEC_TPELDSP_H */