gsm.h 1.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445
  1. /*
  2. * GSM common header
  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_GSM_H
  21. #define AVCODEC_GSM_H
  22. /* bytes per block */
  23. #define GSM_BLOCK_SIZE 33
  24. #define GSM_MS_BLOCK_SIZE 65
  25. #define MSN_MIN_BLOCK_SIZE 41
  26. /* samples per block */
  27. #define GSM_FRAME_SIZE 160
  28. enum GSMModes {
  29. GSM_13000 = 0,
  30. MSN_12400,
  31. MSN_11800,
  32. MSN_11200,
  33. MSN_10600,
  34. MSN_10000,
  35. MSN_9400,
  36. MSN_8800,
  37. MSN_8200,
  38. NUM_GSM_MODES
  39. };
  40. #endif /* AVCODEC_GSM_H */