aacenc_ltp.h 1.5 KB

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  1. /*
  2. * AAC encoder long term prediction extension
  3. * Copyright (C) 2015 Rostislav Pehlivanov
  4. *
  5. * This file is part of FFmpeg.
  6. *
  7. * FFmpeg 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. * FFmpeg 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 FFmpeg; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20. */
  21. /**
  22. * @file
  23. * AAC encoder long term prediction extension
  24. * @author Rostislav Pehlivanov ( atomnuker gmail com )
  25. */
  26. #ifndef AVCODEC_AACENC_LTP_H
  27. #define AVCODEC_AACENC_LTP_H
  28. #include "aacenc.h"
  29. void ff_aac_encode_ltp_info(AACEncContext *s, SingleChannelElement *sce,
  30. int common_window);
  31. void ff_aac_update_ltp(AACEncContext *s, SingleChannelElement *sce);
  32. void ff_aac_adjust_common_ltp(AACEncContext *s, ChannelElement *cpe);
  33. void ff_aac_ltp_insert_new_frame(AACEncContext *s);
  34. void ff_aac_search_for_ltp(AACEncContext *s, SingleChannelElement *sce,
  35. int common_window);
  36. #endif /* AVCODEC_AACENC_LTP_H */