ffmpeg/libavcodec/huffyuvdsp.h

   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #ifndef AVCODEC_HUFFYUVDSP_H
  20 #define AVCODEC_HUFFYUVDSP_H
  21
  22 #include <stdint.h>
  23 #include "config.h"
  24
  25 #if HAVE_BIGENDIAN
  26 #define B 3
  27 #define G 2
  28 #define R 1
  29 #define A 0
  30 #else
  31 #define B 0
  32 #define G 1
  33 #define R 2
  34 #define A 3
  35 #endif
  36
  37 typedef struct HuffYUVDSPContext {
  38     void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,
  39                       intptr_t w);
  40     void (*add_hfyu_median_pred)(uint8_t *dst, const uint8_t *top,
  41                                  const uint8_t *diff, intptr_t w,
  42                                  int *left, int *left_top);
  43     int (*add_hfyu_left_pred)(uint8_t *dst, const uint8_t *src,
  44                               intptr_t w, int left);
  45     void (*add_hfyu_left_pred_bgr32)(uint8_t *dst, const uint8_t *src,
  46                                      intptr_t w, uint8_t *left);
  47 } HuffYUVDSPContext;
  48
  49 void ff_huffyuvdsp_init(HuffYUVDSPContext *c);
  50 void ff_huffyuvdsp_init_ppc(HuffYUVDSPContext *c);
  51 void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c);
  52
  53 #endif /* AVCODEC_HUFFYUVDSP_H */