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  1. /*
  2. * Common stuff for some Microsoft Screen codecs
  3. * Copyright (C) 2012 Konstantin Shishkov
  4. *
  5. * This file is part of Libav.
  6. *
  7. * Libav is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Lesser General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2.1 of the License, or (at your option) any later version.
  11. *
  12. * Libav is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with Libav; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20. */
  21. #ifndef AVCODEC_MSS34DSP_H
  22. #define AVCODEC_MSS34DSP_H
  23. #include <stdint.h>
  24. /**
  25. * Generate quantisation matrix for given quality.
  26. *
  27. * @param qmat destination matrix
  28. * @param quality quality setting (1-100)
  29. * @param luma generate quantisation matrix for luma or chroma
  30. */
  31. void ff_mss34_gen_quant_mat(uint16_t *qmat, int quality, int luma);
  32. /**
  33. * Transform and output DCT block.
  34. *
  35. * @param dst output plane
  36. * @param stride output plane stride
  37. * @param block block to transform and output
  38. */
  39. void ff_mss34_dct_put(uint8_t *dst, int stride, int *block);
  40. #endif /* AVCODEC_MSS34DSP_H */