lpc_encode.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_LpcEncode.h
  13. ******************************************************************/
  14. #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LPC_ENCODE_H_
  15. #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LPC_ENCODE_H_
  16. #include "modules/audio_coding/codecs/ilbc/defines.h"
  17. /*----------------------------------------------------------------*
  18. * lpc encoder
  19. *---------------------------------------------------------------*/
  20. void WebRtcIlbcfix_LpcEncode(
  21. int16_t* syntdenum, /* (i/o) synthesis filter coefficients
  22. before/after encoding */
  23. int16_t* weightdenum, /* (i/o) weighting denumerator coefficients
  24. before/after encoding */
  25. int16_t* lsf_index, /* (o) lsf quantization index */
  26. int16_t* data, /* (i) Speech to do LPC analysis on */
  27. IlbcEncoder* iLBCenc_inst
  28. /* (i/o) the encoder state structure */
  29. );
  30. #endif