main.cxx

这是一个自动应答机程序

/*
 * main.cxx
 *
 * Main source for for OpenAM
 *
 * A H.323 answering machine application.
 *
 * Copyright (c) 1993-2001 Equivalence Pty. Ltd.
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and limitations
 * under the License.
 *
 * The Original Code is Portable Windows Library.
 *
 * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
 *
 * Portions are Copyright (C) 1993 Free Software Foundation, Inc.
 * All Rights Reserved.
 *
 * Contributor(s): ______________________________________.
 *
 * $Log: main.cxx,v $
 * Revision 1.19  2008/02/07 08:38:04  shorne
 * fix warning on VS 2008
 *
 * Revision 1.18  2008/01/02 19:12:30  willamowius
 * better enforce limit on call duration for video channels
 *
 * Revision 1.17  2008/01/02 17:12:53  willamowius
 * assign different name to each recorded video (same as with audio files)
 *
 * Revision 1.16  2007/11/22 22:31:13  willamowius
 * remove uneccessary restriction to exactly one frame size
 *
 * Revision 1.15  2007/11/19 23:23:11  willamowius
 * trace codec and frame size
 *
 * Revision 1.14  2007/11/19 00:28:17  willamowius
 * limit the video size to size of the provided video OGM
 *
 * Revision 1.13  2007/11/17 13:52:25  willamowius
 * cleanup
 *
 * Revision 1.12  2007/11/14 15:23:59  willamowius
 * declare overloaded methods as virtual
 *
 * Revision 1.11  2007/11/14 14:16:43  willamowius
 * always print message about call start/end to stdout
 *
 * Revision 1.10  2007/11/14 14:09:32  willamowius
 * avoid using NULLOutput device since it doesn't work with 'make optnoshared'
 *
 * Revision 1.9  2007/11/14 13:12:44  willamowius
 * trace message which output device is being created
 *
 * Revision 1.8  2007/11/14 11:53:47  willamowius
 * delete endpoint object on shutdown
 *
 * Revision 1.7  2007/11/13 14:58:54  willamowius
 * reduce read size for very short frame so G7231 OGMs work again
 *
 * Revision 1.6  2007/11/13 14:37:05  willamowius
 * allow operation without audio OGM, only with video OGM
 *
 * Revision 1.5  2007/11/13 14:03:45  willamowius
 * fix message about recording limit
 *
 * Revision 1.4  2007/11/13 13:51:04  willamowius
 * more cleanup
 *
 * Revision 1.3  2007/11/13 13:18:24  willamowius
 * cleanup
 *
 * Revision 1.2  2007/11/07 05:58:37  shorne
 * Fixed Windows compile
 *
 * Revision 1.1  2007/11/07 03:42:13  willamowius
 * port OpenAM to H323Plus
 *
 * Revision 1.102  2006/04/19 04:11:53  csoutheren
 * Fix problem when outputting CIF stream using QCIF source
 *
 * Revision 1.101  2006/03/12 06:37:53  rjongbloed
 * Fixed DevStudio warning
 *
 * Revision 1.100  2006/03/06 07:05:19  csoutheren
 * Preliminary support for capturing video input
 *
 * Revision 1.99  2006/02/28 12:46:31  csoutheren
 * Removed warning on Windows
 *
 * Revision 1.98  2006/02/28 12:36:31  csoutheren
 * Fixed video capabilities
 *
 * Revision 1.97  2006/02/28 10:12:50  csoutheren
 * Added support for NULL receive video
 *
 * Revision 1.96  2006/02/24 10:16:07  csoutheren
 * Fixed for CIF
 *
 * Revision 1.95  2006/02/21 07:52:18  csoutheren
 * Added outgoing video message functions
 *
 * Revision 1.94  2005/11/25 00:52:49  csoutheren
 * Applied patch #1292653
 * OpenAM patch to log calling number
 *
 * Revision 1.93  2005/02/03 01:21:42  csoutheren
 * Added called party to call log and command parameters
 *
 * Revision 1.92  2004/05/26 04:01:57  csoutheren
 * Changed to work completely with new plugin codecs
 *
 * Revision 1.91  2004/05/10 13:07:19  rjongbloed
 * Changed G.726 and MS-ADPCM to plug in codecs.
 *
 * Revision 1.90  2004/05/04 12:21:16  rjongbloed
 * Converted LPC-10 codec to plug in.
 *
 * Revision 1.89  2004/05/03 13:25:46  rjongbloed
 * Converted everything to be codec plug in freindly
 * Removed GSM and G.729 as now plug ins are "the way"!
 *
 * Revision 1.88  2004/04/06 11:27:49  rjongbloed
 * Changes to support native C++ Run Time Type Information
 * Changes for codec plug ins
 *
 * Revision 1.87  2004/01/31 07:38:21  rjongbloed
 * Changed HAS_IXJ usage to if defined not if non-zero
 *
 * Revision 1.86  2004/01/02 02:52:10  csoutheren
 * Thanks to Michal Zygmuntowicz for these changes
 *   Added support for iLBC codec
 *   Added ability to specify a gatekeeper password,
 *   Fixed small bug with Speex capabilities being accidentally included.
 *
 * Revision 1.85  2003/12/02 09:46:59  csoutheren
 * Added --loop option thanks to Jan Willamowius
 *
 * Revision 1.84  2002/11/13 10:23:12  rogerh
 * Enable Speex support by default.
 *
 * Revision 1.83  2002/11/10 08:12:42  robertj
 * Moved constants for "well known" ports to better place (OPAL change).
 *
 * Revision 1.82  2002/08/21 08:48:09  rogerh
 * Fix some problems caused by the user specif OGM changes
 *
 * Revision 1.81  2002/08/21 06:55:09  rogerh
 * Support all 5 Speex bitrates.
 *
 * Revision 1.80  2002/08/16 02:04:30  craigs
 * Ensure compilation without Speex installed
 *
 * Revision 1.79  2002/08/15 18:52:49  rogerh
 * Add support for one of the Speex codecs
 *
 * Revision 1.78  2002/08/05 10:06:06  robertj
 * Changed to use the version of G.7231. file capability/codec as used in
 *   opalvxml module. Prevents duplicate symbol link errors.
 *
 * Revision 1.77  2002/06/28 00:30:41  robertj
 * Fixed Clone() for G.723 file capability, must clone contents!
 *
 * Revision 1.76  2002/05/08 03:15:35  robertj
 * Removed unecessary initialisation of frameBuffer PBYTEArray
 *
 * Revision 1.75  2002/04/01 14:45:43  craigs
 * Fixed flag to end call after OGM
 *
 * Revision 1.74  2002/04/01 13:16:09  craigs
 * Added ability to kill calls at end of playing OGM
 * Added ability to play different OGMs depending on target DN
 *
 * Revision 1.73  2002/02/21 07:21:52  rogerh
 * Change the outgoing audio's FrameDelay() code to use the PAdaptiveDelay
 * class which should give clearer audio for the OGMs.
 *
 * Revision 1.72  2002/02/04 13:23:24  rogerh
 * Change the silence frame back to a 4 byte SID. It caused Quicnet cards
 * to play a loud noise instead of silence.
 *
 * Revision 1.71  2002/01/31 16:12:26  rogerh
 * Clear the end of the frame buffer if we cannot read a full frame.
 *
 * Revision 1.70  2002/01/26 09:40:03  rogerh
 * Make OpenAM send out G.723.1 OGM audio files correctly.
 *
 * Revision 1.69  2002/01/25 11:50:10  rogerh
 * dd --port option to play and record commands so you can use a
 * telephone on the POTS port or use speakers and microphone.
 *
 * Revision 1.68  2002/01/25 08:58:46  rogerh
 * Send out silence using a standard 24 byte frame instead of a 4 byte SID.
 * This is a workaround to support an end point which does not understand SID.
 *
 * Revision 1.67  2002/01/22 04:15:04  craigs
 * Updated for move of PWavFile to PTCLib
 * Replaced AudioDelay with PAdaptiveDelay
 *
 * Revision 1.66  2002/01/11 16:07:15  rogerh
 * Make PCMExt non static as it is used externally in cmds.cxx
 *
 * Revision 1.65  2001/11/18 23:07:36  craigs
 * Fixed problem whereby recording could start when queue of OGMs was not empty
 * Thanks to Frank Derks
 *
 * Revision 1.64  2001/10/24 10:45:33  rogerh
 * replace 4 byte SID frames with 24 byte frames of silence. Windows Media
 * Player's codec cannot handle SID frames.
 *
 * Revision 1.63  2001/10/24 10:28:59  rogerh
 * Make -m option find g7231 wav files.
 * Fix bug where record file format was set by the outgoing codec type.
 * (fixes bug when NetMeeting decides to receive G.723.1 and send MS-GSM)
 *
 * Revision 1.62  2001/10/24 09:01:07  rogerh
 * Fix a mistake in the 24 byte frames used for silence.
 *
 * Revision 1.61  2001/10/16 12:28:43  rogerh
 * Add support for saving g.723.1 audio data into a g.723.1 WAV File
 *
 * Revision 1.60  2001/10/15 14:55:03  rogerh
 * Add error message
 *
 * Revision 1.59  2001/10/15 14:20:10  rogerh
 * Add support for reading G.723.1 WAV files for the G.723.1 codec.
 * Recorded messages are still saved out in raw .g723 files.
 *
 * Revision 1.58  2001/10/15 07:09:38  rogerh
 * New sox homepage
 *
 * Revision 1.57  2001/10/14 08:22:54  rogerh
 * Record the silence in G.723.1 connections to the record file.
 * This also gives a proper fix for the 100% CPU utilisation bug.
 *
 * Revision 1.56  2001/10/13 07:13:18  rogerh
 * Add a 5ms sleep if the length of the G.723.1 audio data is zero.
 * This hack stops the 100% CPU usage seen when recording G.723.1 files.
 * Submitted by Maurizio Beni <[e-mail]>
 *
 * Revision 1.55  2001/10/04 23:55:00  craigs
 * Added deletion of file in PCM_RecordFile destructor thanks to Patrick Koorevaar
 *
 * Revision 1.54  2001/10/02 11:02:31  rogerh
 * Use the audio delay class when writing G723.1 audio files.
 * Add a quick hack.Set the frameBuffer to 1024 so OpenAM tworks on Unix boxes
 *
 * Revision 1.53  2001/09/29 07:11:48  rogerh
 * Delete ogmChanel in destructor - Patrick Koorevaar <[e-mail]>
 * Only call conn.ClearCall() once after we pass the record time limit.
 * Reported by Patrick.
 *
 * Revision 1.52  2001/09/28 00:14:30  robertj
 * Changed BYTE* to PBYTEArray so get automatic memory management.
 * Fixed redundant entries in argument parsing, thanks Patrick Koorevaar
 *
 * Revision 1.51  2001/09/24 22:39:42  craigs
 * Added commands to play and record data files, esp G.723.1
 *
 * Revision 1.50  2001/08/24 14:04:29  rogerh
 * Delete the listener if StartListener() fails.
 *
 * Revision 1.49  2001/08/13 00:01:15  robertj
 * Fixed #ifdef for memory check code to use PMEMORY_CHECK and not _DEBUG
 *
 * Revision 1.48  2001/07/23 09:17:36  rogerh
 * Add the LPC10 codec, a low quality and low bitrate codec.
 *
 * Revision 1.47  2001/07/23 04:01:10  rogerh
 * remove debugging info
 *
 * Revision 1.46  2001/07/20 03:36:58  robertj
 * Minor cosmetic changes to new PWAVFile class.
 *
 * Revision 1.45  2001/07/19 10:05:27  rogerh
 * PWAVFile is now part of the standard PWLib.
 *
 * Revision 1.44  2001/07/17 14:33:01  rogerh
 * Support writing of .wav audio files from PCM codecs (eg G711 and GSM).
 * .wav files are written out by default now. If you still want to record
 * to raw audio files with a .sw extension, use the --recordraw option.
 *
 * Revision 1.43  2001/07/17 12:02:37  rogerh
 * Change title, OpenAm -> OpenAM
 *
 * Revision 1.42  2001/07/14 07:44:29  rogerh
 * Add .wav file support to the OGM.
 * The -m option now looks for .wav and then .sw file extensions.
 * .wav file must be 16 bit mono at 8000 Hz
 *
 * Revision 1.41  2001/07/11 15:47:55  rogerh
 * Add G711 A-Law codec, reported by Niels Svennekj鎟 <[e-mail]>
 *
 * Revision 1.40  2001/07/01 07:38:57  rogerh
 * Add Microsoft GSM codec. Also allocate memory for frameBuffer dynamically
 * as different codecs can have different frame sizes.
 *
 * Revision 1.39  2001/06/29 11:13:15  rogerh
 * Add AudioDelay class which removes the jitter in recorded files.
 *
 * Revision 1.38  2001/06/29 09:01:17  rogerh
 * Put back a line accidentally deleted in the last commit
 *
 * Revision 1.37  2001/06/29 06:34:57  rogerh
 * Add mutex locks in PCM_Recordfile. This solves the race condition where
 * Close() was called while Write() was still running.
 *
 * Revision 1.36  2001/04/27 07:08:46  robertj
 * Fixed 100% Cip problem, thanks [e-mail]
 *
 * Revision 1.35  2001/03/20 23:42:55  robertj
 * Used the new PTrace::Initialise function for starting trace code.
 *
 * Revision 1.34  2001/01/25 07:27:14  robertj
 * Major changes to add more flexible OpalMediaFormat class to normalise
 *   all information about media types, especially codecs.
 *
 * Revision 1.33  2000/10/20 23:11:29  robertj
 * Fixed incorrect parameter parsing string that stopped -l from working, thanks Bruno BOSQUED
 *
 * Revision 1.32  2000/10/19 06:55:41  robertj
 * Fixed compiler crash by rearranging loop.
 *
 * Revision 1.31  2000/08/29 23:11:41  robertj
 * Fixed MSVC warnings.
 *
 * Revision 1.30  2000/08/29 12:32:07  craigs
 * Fixed problems with recording messages
 *
 * Revision 1.29  2000/08/28 16:42:59  craigs
 * Finally fixed problems with G.723.1. All codecs now working
 *
 * Revision 1.28  2000/08/28 09:13:54  robertj
 * Fixed MSVC compiler warnings.
 *
 * Revision 1.27  2000/08/28 07:49:26  craigs
 * New code to maybe get G.723.1 replaying working
 *
 * Revision 1.26  2000/08/28 00:38:37  craigs
 * Added support for setting listening port number
 *
 * Revision 1.25  2000/08/27 23:42:24  craigs
 * Fixed problem with playback of messages
 * Fixed problem with recording messages
 *
 * Revision 1.24  2000/06/20 02:38:27  robertj
 * Changed H323TransportAddress to default to IP.
 *
 * Revision 1.23  2000/06/17 09:14:52  robertj
 * Added setting of closed flag when closing OGM.
 *
 * Revision 1.22  2000/05/25 13:25:47  robertj
 * Fixed incorrect "save" parameter specification.
 *
 * Revision 1.21  2000/05/25 12:06:17  robertj
 * Added PConfigArgs class so can save program arguments to config files.
 *
 * Revision 1.20  2000/05/11 11:47:11  robertj
 * Fixed alpha linux GNU compiler problems.
 *
 * Revision 1.19  2000/05/10 05:14:25  robertj
 * Changed capabilities so has a function to get name of codec, instead of relying on PrintOn.
 *
 * Revision 1.18  2000/05/09 11:22:15  craigs
 * Fixed problems caused by new jitter buffer code
 * and fixed OGM problems
 *
 * Revision 1.17  2000/05/09 02:41:32  craigs
 * Added extra debugging, and fixed problems with OGM in non-IVR mode
 *
 * Revision 1.16  2000/04/26 03:18:38  craigs
 * Fixed problem when GSM specified as preferred codec
 *
 * Revision 1.15  2000/04/25 23:34:22  craigs
 * Added lots of new code, including outgoing and incoming
 * multiplexors, and the start of an IVR system
 *
 * Revision 1.14  2000/01/13 04:03:45  robertj
 * Added video transmission
 *
 * Revision 1.13  2000/01/07 08:28:09  robertj
 * Additions and changes to line interface device base class.
 *
 * Revision 1.12  1999/12/10 01:44:46  craigs
 * Added ability to set interface
 *
 * Revision 1.11  1999/12/01 04:38:25  robertj
 * Added gatekeeper support to OpenAM
 *
 * Revision 1.10  1999/11/11 00:27:49  robertj
 * Changed OnAnswerCall() call back function  to allow for asyncronous response.
 *
 * Revision 1.9  1999/11/06 13:27:48  craigs
 * Added extra output and changed for new library changes
 *
 * Revision 1.8  1999/10/29 10:57:04  robertj
 * Added answering machine project.
 *
 * Revision 1.7  1999/10/24 12:50:37  craigs
 * Fixed G723.1 capability, and added ability for discrete OGMs
 *
 * Revision 1.6  1999/10/24 08:24:56  craigs
 * Added GSM capability back in
 *
 * Revision 1.5  1999/10/24 08:19:58  craigs
 * Fixed problem that caused crash when unknown codecs used
 *
 * Revision 1.4  1999/10/24 03:29:07  craigs
 * Fixed problem with -h parsing
 *
 * Revision 1.3  1999/10/24 03:08:49  craigs