Mercurial > hg > audiostuff
annotate spandsp-0.0.6pre17/tests/echo_monitor.h @ 6:22a74b01a099 default tip
implement more meaningful test program
author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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date | Fri, 25 Jun 2010 16:14:50 +0200 |
parents | 26cd8f1ef0b1 |
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rev | line source |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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1 /* |
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import spandsp-0.0.6pre17
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2 * SpanDSP - a series of DSP components for telephony |
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import spandsp-0.0.6pre17
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3 * |
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import spandsp-0.0.6pre17
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4 * echo_monitor.h - Display echo canceller status, using the FLTK toolkit. |
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import spandsp-0.0.6pre17
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5 * |
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import spandsp-0.0.6pre17
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6 * Written by Steve Underwood <steveu@coppice.org> |
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import spandsp-0.0.6pre17
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7 * |
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import spandsp-0.0.6pre17
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8 * Copyright (C) 2004 Steve Underwood |
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import spandsp-0.0.6pre17
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9 * |
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import spandsp-0.0.6pre17
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10 * All rights reserved. |
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import spandsp-0.0.6pre17
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11 * |
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import spandsp-0.0.6pre17
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12 * This program is free software; you can redistribute it and/or modify |
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import spandsp-0.0.6pre17
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13 * it under the terms of the GNU General Public License version 2, as |
26cd8f1ef0b1
import spandsp-0.0.6pre17
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14 * published by the Free Software Foundation. |
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import spandsp-0.0.6pre17
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15 * |
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import spandsp-0.0.6pre17
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16 * This program is distributed in the hope that it will be useful, |
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import spandsp-0.0.6pre17
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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import spandsp-0.0.6pre17
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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import spandsp-0.0.6pre17
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19 * GNU General Public License for more details. |
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import spandsp-0.0.6pre17
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20 * |
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import spandsp-0.0.6pre17
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21 * You should have received a copy of the GNU General Public License |
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import spandsp-0.0.6pre17
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22 * along with this program; if not, write to the Free Software |
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import spandsp-0.0.6pre17
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23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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import spandsp-0.0.6pre17
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24 * |
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import spandsp-0.0.6pre17
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25 * $Id: echo_monitor.h,v 1.12 2008/04/26 13:39:16 steveu Exp $ |
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import spandsp-0.0.6pre17
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26 */ |
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import spandsp-0.0.6pre17
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27 |
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import spandsp-0.0.6pre17
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28 /*! \page echo_monitor_page Echo canceller performance monitoring |
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import spandsp-0.0.6pre17
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29 \section echo_monitor_page_sec_1 What does it do? |
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import spandsp-0.0.6pre17
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30 This code controls a GUI window, which provides monitoring of the internal status |
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import spandsp-0.0.6pre17
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31 of a time domain echo canceller. It shows, graphically: |
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import spandsp-0.0.6pre17
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32 |
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import spandsp-0.0.6pre17
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33 - the spectrum of the received signal. |
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import spandsp-0.0.6pre17
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34 - the line model in use (when a known line model is being used). |
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import spandsp-0.0.6pre17
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35 - the adapted coefficients of the canceller. |
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import spandsp-0.0.6pre17
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36 |
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import spandsp-0.0.6pre17
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37 \section echo_monitor_page_sec_2 How does it work? |
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import spandsp-0.0.6pre17
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38 This code uses the FLTK cross platform GUI toolkit. It works on X11 and Windows platforms. |
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import spandsp-0.0.6pre17
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39 In addition to the basic FLTK toolkit, fltk_cartesian is also required. |
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import spandsp-0.0.6pre17
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40 */ |
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import spandsp-0.0.6pre17
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41 |
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import spandsp-0.0.6pre17
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42 #if !defined(_ECHO_MONITOR_H_) |
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import spandsp-0.0.6pre17
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43 #define _ECHO_MONITOR_H_ |
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import spandsp-0.0.6pre17
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44 |
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45 #if defined(__cplusplus) |
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import spandsp-0.0.6pre17
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46 extern "C" |
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import spandsp-0.0.6pre17
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47 { |
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import spandsp-0.0.6pre17
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48 #endif |
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import spandsp-0.0.6pre17
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49 |
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import spandsp-0.0.6pre17
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50 int start_echo_can_monitor(int len); |
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import spandsp-0.0.6pre17
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51 int echo_can_monitor_can_update(const int16_t *coeffs, int len); |
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import spandsp-0.0.6pre17
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52 int echo_can_monitor_line_model_update(const int32_t *coeffs, int len); |
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53 int echo_can_monitor_line_spectrum_update(const int16_t amp[], int len); |
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import spandsp-0.0.6pre17
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54 void echo_can_monitor_wait_to_end(void); |
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import spandsp-0.0.6pre17
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55 void echo_can_monitor_update_display(void); |
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import spandsp-0.0.6pre17
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56 |
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import spandsp-0.0.6pre17
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57 #if defined(__cplusplus) |
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import spandsp-0.0.6pre17
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58 } |
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import spandsp-0.0.6pre17
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59 #endif |
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import spandsp-0.0.6pre17
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60 |
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import spandsp-0.0.6pre17
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61 #endif |
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import spandsp-0.0.6pre17
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62 /*- End of file ------------------------------------------------------------*/ |