35 lines
1.4 KiB
C
35 lines
1.4 KiB
C
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/******************************************************************
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iLBC Speech Coder ANSI-C Source Code
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WebRtcIlbcfix_HpInput.h
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******************************************************************/
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#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_HP_INPUT_H_
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#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_HP_INPUT_H_
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#include "defines.h"
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void WebRtcIlbcfix_HpInput(
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WebRtc_Word16 *signal, /* (i/o) signal vector */
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WebRtc_Word16 *ba, /* (i) B- and A-coefficients (2:nd order)
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{b[0] b[1] b[2] -a[1] -a[2]} a[0]
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is assumed to be 1.0 */
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WebRtc_Word16 *y, /* (i/o) Filter state yhi[n-1] ylow[n-1]
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yhi[n-2] ylow[n-2] */
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WebRtc_Word16 *x, /* (i/o) Filter state x[n-1] x[n-2] */
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WebRtc_Word16 len); /* (i) Number of samples to filter */
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#endif
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