| /* |
| * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| /****************************************************************** |
| |
| iLBC Speech Coder ANSI-C Source Code |
| |
| WebRtcIlbcfix_HpInput.h |
| |
| ******************************************************************/ |
| |
| #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_HP_INPUT_H_ |
| #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_HP_INPUT_H_ |
| |
| #include "modules/audio_coding/codecs/ilbc/defines.h" |
| |
| void WebRtcIlbcfix_HpInput( |
| int16_t* signal, /* (i/o) signal vector */ |
| int16_t* ba, /* (i) B- and A-coefficients (2:nd order) |
| {b[0] b[1] b[2] -a[1] -a[2]} |
| a[0] is assumed to be 1.0 */ |
| int16_t* y, /* (i/o) Filter state yhi[n-1] ylow[n-1] |
| yhi[n-2] ylow[n-2] */ |
| int16_t* x, /* (i/o) Filter state x[n-1] x[n-2] */ |
| size_t len); /* (i) Number of samples to filter */ |
| |
| #endif |
