File: hp_output.h

package info (click to toggle)
icedove 31.8.0-1~deb7u1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 1,013,096 kB
  • sloc: cpp: 3,984,020; ansic: 1,866,720; java: 219,720; python: 213,675; xml: 142,596; asm: 133,557; sh: 76,080; makefile: 27,318; perl: 26,849; objc: 4,014; yacc: 1,995; pascal: 1,024; lex: 950; exp: 449; lisp: 228; awk: 211; php: 113; sed: 43; csh: 31; ada: 16; ruby: 3
file content (34 lines) | stat: -rw-r--r-- 1,298 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/*
 *  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_HpOutput.h

******************************************************************/

#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_HP_OUTPUT_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_HP_OUTPUT_H_

#include "defines.h"

void WebRtcIlbcfix_HpOutput(
    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] */
    int16_t len);      /* (i)   Number of samples to filter */

#endif