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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_VP3DSP_H
  20. #define AVCODEC_VP3DSP_H
  21.  
  22. #include <stddef.h>
  23. #include <stdint.h>
  24.  
  25. typedef struct VP3DSPContext {
  26.     /**
  27.      * Copy 8xH pixels from source to destination buffer using a bilinear
  28.      * filter with no rounding (i.e. *dst = (*a + *b) >> 1).
  29.      *
  30.      * @param dst destination buffer, aligned by 8
  31.      * @param a first source buffer, no alignment
  32.      * @param b second source buffer, no alignment
  33.      * @param stride distance between two lines in source/dest buffers
  34.      * @param h height
  35.      */
  36.     void (*put_no_rnd_pixels_l2)(uint8_t *dst,
  37.                                  const uint8_t *a,
  38.                                  const uint8_t *b,
  39.                                  ptrdiff_t stride, int h);
  40.  
  41.     void (*idct_put)(uint8_t *dest, int line_size, int16_t *block);
  42.     void (*idct_add)(uint8_t *dest, int line_size, int16_t *block);
  43.     void (*idct_dc_add)(uint8_t *dest, int line_size, int16_t *block);
  44.     void (*v_loop_filter)(uint8_t *src, int stride, int *bounding_values);
  45.     void (*h_loop_filter)(uint8_t *src, int stride, int *bounding_values);
  46. } VP3DSPContext;
  47.  
  48. void ff_vp3dsp_init(VP3DSPContext *c, int flags);
  49. void ff_vp3dsp_init_arm(VP3DSPContext *c, int flags);
  50. void ff_vp3dsp_init_bfin(VP3DSPContext *c, int flags);
  51. void ff_vp3dsp_init_ppc(VP3DSPContext *c, int flags);
  52. void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags);
  53.  
  54. #endif /* AVCODEC_VP3DSP_H */
  55.