huffyuvdsp.h 1.7 KB

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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. #ifndef AVCODEC_HUFFYUVDSP_H
  19. #define AVCODEC_HUFFYUVDSP_H
  20. #include <stdint.h>
  21. #include "libavutil/pixfmt.h"
  22. #include "config.h"
  23. #if HAVE_BIGENDIAN
  24. #define B 3
  25. #define G 2
  26. #define R 1
  27. #define A 0
  28. #else
  29. #define B 0
  30. #define G 1
  31. #define R 2
  32. #define A 3
  33. #endif
  34. typedef struct HuffYUVDSPContext {
  35. void (*add_int16)(uint16_t *dst/*align 16*/, const uint16_t *src/*align 16*/,
  36. unsigned mask, int w);
  37. void (*add_hfyu_median_pred_int16)(uint16_t *dst, const uint16_t *top,
  38. const uint16_t *diff, unsigned mask,
  39. int w, int *left, int *left_top);
  40. void (*add_hfyu_left_pred_bgr32)(uint8_t *dst, const uint8_t *src,
  41. intptr_t w, uint8_t *left);
  42. } HuffYUVDSPContext;
  43. void ff_huffyuvdsp_init(HuffYUVDSPContext *c, enum AVPixelFormat pix_fmt);
  44. void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c, enum AVPixelFormat pix_fmt);
  45. #endif /* AVCODEC_HUFFYUVDSP_H */