hq_hqadsp.h 1.2 KB

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  1. /*
  2. * Canopus HQ/HQA decoder
  3. *
  4. * This file is part of FFmpeg.
  5. *
  6. * FFmpeg is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU Lesser General Public
  8. * License as published by the Free Software Foundation; either
  9. * version 2.1 of the License, or (at your option) any later version.
  10. *
  11. * FFmpeg is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14. * Lesser General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU Lesser General Public
  17. * License along with FFmpeg; if not, write to the Free Software
  18. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19. */
  20. /**
  21. * @file
  22. * HQ/HQA variant of AAN IDCT
  23. * It differs from the standard AAN IDCT in precision and in the second stage.
  24. */
  25. #ifndef AVCODEC_HQ_HQADSP_H
  26. #define AVCODEC_HQ_HQADSP_H
  27. #include <stdint.h>
  28. typedef struct HQDSPContext {
  29. void (*idct_put)(uint8_t *dst, int stride, int16_t *block);
  30. } HQDSPContext;
  31. void ff_hqdsp_init(HQDSPContext *c);
  32. #endif /* AVCODEC_HQ_HQADSP_H */