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  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_MPEGVIDEODSP_H
  20. #define AVCODEC_MPEGVIDEODSP_H
  21.  
  22. #include <stdint.h>
  23.  
  24. void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
  25.               int dxx, int dxy, int dyx, int dyy, int shift, int r,
  26.               int width, int height);
  27.  
  28. typedef struct MpegVideoDSPContext {
  29.     /**
  30.      * translational global motion compensation.
  31.      */
  32.     void (*gmc1)(uint8_t *dst /* align 8 */, uint8_t *src /* align 1 */,
  33.                  int srcStride, int h, int x16, int y16, int rounder);
  34.     /**
  35.      * global motion compensation.
  36.      */
  37.     void (*gmc)(uint8_t *dst /* align 8 */, uint8_t *src /* align 1 */,
  38.                 int stride, int h, int ox, int oy,
  39.                 int dxx, int dxy, int dyx, int dyy,
  40.                 int shift, int r, int width, int height);
  41. } MpegVideoDSPContext;
  42.  
  43. void ff_mpegvideodsp_init(MpegVideoDSPContext *c);
  44. void ff_mpegvideodsp_init_ppc(MpegVideoDSPContext *c);
  45. void ff_mpegvideodsp_init_x86(MpegVideoDSPContext *c);
  46.  
  47. #endif /* AVCODEC_MPEGVIDEODSP_H */
  48.