refiner.h 1.7 KB

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  1. /*
  2. * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
  3. *
  4. * Use of this source code is governed by a BSD-style license
  5. * that can be found in the LICENSE file in the root of the source
  6. * tree. An additional intellectual property rights grant can be found
  7. * in the file PATENTS. All contributing project authors may
  8. * be found in the AUTHORS file in the root of the source tree.
  9. */
  10. /******************************************************************
  11. iLBC Speech Coder ANSI-C Source Code
  12. WebRtcIlbcfix_Refiner.h
  13. ******************************************************************/
  14. #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_REFINER_H_
  15. #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_REFINER_H_
  16. #include "modules/audio_coding/codecs/ilbc/defines.h"
  17. /*----------------------------------------------------------------*
  18. * find segment starting near idata+estSegPos that has highest
  19. * correlation with idata+centerStartPos through
  20. * idata+centerStartPos+ENH_BLOCKL-1 segment is found at a
  21. * resolution of ENH_UPSO times the original of the original
  22. * sampling rate
  23. *---------------------------------------------------------------*/
  24. void WebRtcIlbcfix_Refiner(
  25. size_t* updStartPos, /* (o) updated start point (Q-2) */
  26. int16_t* idata, /* (i) original data buffer */
  27. size_t idatal, /* (i) dimension of idata */
  28. size_t centerStartPos, /* (i) beginning center segment */
  29. size_t estSegPos, /* (i) estimated beginning other segment (Q-2) */
  30. int16_t* surround, /* (i/o) The contribution from this sequence
  31. summed with earlier contributions */
  32. int16_t gain /* (i) Gain to use for this sequence */
  33. );
  34. #endif