abs_quant.h 1.4 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_AbsQuant.h
  13. ******************************************************************/
  14. #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_ABS_QUANT_H_
  15. #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_ABS_QUANT_H_
  16. #include "modules/audio_coding/codecs/ilbc/defines.h"
  17. /*----------------------------------------------------------------*
  18. * predictive noise shaping encoding of scaled start state
  19. * (subrutine for WebRtcIlbcfix_StateSearch)
  20. *---------------------------------------------------------------*/
  21. void WebRtcIlbcfix_AbsQuant(
  22. IlbcEncoder* iLBCenc_inst,
  23. /* (i) Encoder instance */
  24. iLBC_bits* iLBC_encbits, /* (i/o) Encoded bits (outputs idxForMax
  25. and idxVec, uses state_first as
  26. input) */
  27. int16_t* in, /* (i) vector to encode */
  28. int16_t* weightDenum /* (i) denominator of synthesis filter */
  29. );
  30. #endif