alac_data.h 1.4 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546
  1. /*
  2. * ALAC encoder and decoder common data
  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. #ifndef AVCODEC_ALAC_DATA_H
  21. #define AVCODEC_ALAC_DATA_H
  22. #include <stdint.h>
  23. enum AlacRawDataBlockType {
  24. /* At the moment, only SCE, CPE, LFE, and END are recognized. */
  25. TYPE_SCE,
  26. TYPE_CPE,
  27. TYPE_CCE,
  28. TYPE_LFE,
  29. TYPE_DSE,
  30. TYPE_PCE,
  31. TYPE_FIL,
  32. TYPE_END
  33. };
  34. #define ALAC_MAX_CHANNELS 8
  35. extern const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS];
  36. extern const uint64_t ff_alac_channel_layouts[ALAC_MAX_CHANNELS + 1];
  37. extern const enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5];
  38. #endif /* AVCODEC_ALAC_DATA_H */