flacdsp.h 1.8 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_FLACDSP_H
  19. #define AVCODEC_FLACDSP_H
  20. #include <stdint.h>
  21. #include "libavutil/internal.h"
  22. #include "libavutil/samplefmt.h"
  23. typedef struct FLACDSPContext {
  24. void (*decorrelate[4])(uint8_t **out, int32_t **in, int channels,
  25. int len, int shift);
  26. void (*lpc16)(int32_t *samples, const int coeffs[32], int order,
  27. int qlevel, int len);
  28. void (*lpc32)(int32_t *samples, const int coeffs[32], int order,
  29. int qlevel, int len);
  30. void (*lpc16_encode)(int32_t *res, const int32_t *smp, int len, int order,
  31. const int32_t coefs[32], int shift);
  32. void (*lpc32_encode)(int32_t *res, const int32_t *smp, int len, int order,
  33. const int32_t coefs[32], int shift);
  34. } FLACDSPContext;
  35. void ff_flacdsp_init(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps);
  36. void ff_flacdsp_init_arm(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps);
  37. void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps);
  38. #endif /* AVCODEC_FLACDSP_H */