00001 /* 00002 * g729codec.h 00003 * 00004 * H.323 interface for G.729A codec 00005 * 00006 * Open H323 Library 00007 * 00008 * Copyright (c) 2001 Equivalence Pty. Ltd. 00009 * 00010 * The contents of this file are subject to the Mozilla Public License 00011 * Version 1.0 (the "License"); you may not use this file except in 00012 * compliance with the License. You may obtain a copy of the License at 00013 * http://www.mozilla.org/MPL/ 00014 * 00015 * Software distributed under the License is distributed on an "AS IS" 00016 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 00017 * the License for the specific language governing rights and limitations 00018 * under the License. 00019 * 00020 * The Original Code is Open H323 Library. 00021 * 00022 * The Initial Developer of the Original Code is Equivalence Pty. Ltd. 00023 * 00024 * Portions of this code were written with the assisance of funding from 00025 * Vovida Networks, Inc. http://www.vovida.com. 00026 * 00027 * Contributor(s): ______________________________________. 00028 * 00029 * $Log: g729codec.h,v $ 00030 * Revision 2.9 2005/08/28 07:59:17 rjongbloed 00031 * Converted OpalTranscoder to use factory, requiring sme changes in making sure 00032 * OpalMediaFormat instances are initialised before use. 00033 * 00034 * Revision 2.8 2004/02/23 01:32:06 rjongbloed 00035 * Removed duplicate #if for if voice age included and made sure there was a 00036 * dummy G729 declaration macro if no G.729 included. 00037 * 00038 * Revision 2.7 2004/02/19 10:46:43 rjongbloed 00039 * Merged OpenH323 version 1.13.1 changes. 00040 * 00041 * Revision 2.6 2003/06/02 04:04:54 rjongbloed 00042 * Changed to use new autoconf system 00043 * 00044 * Revision 2.5 2003/01/07 04:39:52 robertj 00045 * Updated to OpenH323 v1.11.2 00046 * 00047 * Revision 2.4 2002/11/10 11:33:16 robertj 00048 * Updated to OpenH323 v1.10.3 00049 * 00050 * Revision 2.3 2002/09/16 02:52:33 robertj 00051 * Added #define so can select if #pragma interface/implementation is used on 00052 * platform basis (eg MacOS) rather than compiler, thanks Robert Monaghan. 00053 * 00054 * Revision 2.2 2002/09/04 06:01:46 robertj 00055 * Updated to OpenH323 v1.9.6 00056 * 00057 * Revision 2.1 2002/07/01 04:56:29 robertj 00058 * Updated to OpenH323 v1.9.1 00059 * 00060 * Revision 1.7 2003/05/05 11:59:21 robertj 00061 * Changed to use autoconf style selection of options and subsystems. 00062 * 00063 * Revision 1.6 2002/11/12 00:06:10 robertj 00064 * Added check for Voice Age G.729 only being able to do a single instance 00065 * of the encoder and decoder. Now fails the second isntance isntead of 00066 * interfering with the first one. 00067 * 00068 * Revision 1.5 2002/09/16 01:14:15 robertj 00069 * Added #define so can select if #pragma interface/implementation is used on 00070 * platform basis (eg MacOS) rather than compiler, thanks Robert Monaghan. 00071 * 00072 * Revision 1.4 2002/09/03 06:19:36 robertj 00073 * Normalised the multi-include header prevention ifdef/define symbol. 00074 * 00075 * Revision 1.3 2002/08/05 10:03:47 robertj 00076 * Cosmetic changes to normalise the usage of pragma interface/implementation. 00077 * 00078 * Revision 1.2 2002/06/27 03:08:31 robertj 00079 * Added G.729 capabilitity support even though is really G.729A. 00080 * Added code to include G.729 codecs on static linking. 00081 * 00082 * Revision 1.1 2001/09/21 02:54:47 robertj 00083 * Added new codec framework with no actual implementation. 00084 * 00085 */ 00086 00087 #ifndef __OPAL_G729CODEC_H 00088 #define __OPAL_G729CODEC_H 00089 00090 #ifdef P_USE_PRAGMA 00091 #pragma interface 00092 #endif 00093 00094 #include <opal/buildopts.h> 00095 00096 #if VOICE_AGE_G729A 00097 00098 #include <opal/transcoders.h> 00099 00100 00102 00103 class Opal_G729_PCM : public OpalFramedTranscoder { 00104 public: 00105 Opal_G729_PCM(); 00106 ~Opal_G729_PCM(); 00107 virtual BOOL ConvertFrame(const BYTE * src, BYTE * dst); 00108 }; 00109 00110 typedef Opal_G729_PCM Opal_G729A_PCM; 00111 00112 00114 00115 class Opal_PCM_G729 : public OpalFramedTranscoder { 00116 public: 00117 Opal_PCM_G729(); 00118 ~Opal_PCM_G729(); 00119 virtual BOOL ConvertFrame(const BYTE * src, BYTE * dst); 00120 }; 00121 00122 typedef Opal_PCM_G729 Opal_PCM_G729A; 00123 00124 00126 00127 #define OPAL_REGISTER_G729() \ 00128 OPAL_REGISTER_TRANSCODER(Opal_G729_PCM, OpalG729, OpalPCM16); \ 00129 OPAL_REGISTER_TRANSCODER(Opal_PCM_G729, OpalPCM16, OpalG729); \ 00130 OPAL_REGISTER_TRANSCODER(Opal_G729A_PCM, OpalG729A, OpalPCM16); \ 00131 OPAL_REGISTER_TRANSCODER(Opal_PCM_G729A, OpalPCM16, OpalG729A) 00132 00133 00134 #else // VOICE_AGE_G729A 00135 00136 #define OPAL_REGISTER_G729() 00137 00138 #endif // VOICE_AGE_G729A 00139 00140 #endif // __OPAL_G729CODEC_H 00141 00142