/* * Voice Age G.729A codec for OpenH323/OPAL * * Copyright (C) 2004 Post Increment, All Rights Reserved * * 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 Open H323 Library. * * The Initial Developer of the Original Code is Post Increment * * Contributor(s): ______________________________________. * * $Revision: 20818 $ * $Author: rjongbloed $ * $Date: 2008-09-02 07:08:52 +0000 (Tue, 02 Sep 2008) $ */ #include #include #include #ifdef _WIN32_WCE #include "va_g729_ARM/typedef.h" #include "va_g729_ARM/g729ab_if.h" #define SUPPORT_VAD 0 #else // _WIN32_WCE #include "va_g729/va_g729.h" #define SUPPORT_VAD 0 // All of PWLib/OpenH323 use MSVCRT.LIB or MSVCRTD.LIB, but vag729a.lib uses // libcmt.lib, so we need to tell the linker to ignore it, can't have two // Run Time libraries! #pragma comment(linker, "/NODEFAULTLIB:libcmt.lib") static int encoderInUse = 0; static int decoderInUse = 0; #endif // _WIN32_WCE #define SAMPLES_PER_FRAME 80 #define BYTES_PER_FRAME 10 #define MICROSECONDSPERFRAME 10000 #define BITS_PER_SECOND 8000 #define MY_VERSION PLUGIN_CODEC_VERSION_OPTIONS static struct PluginCodec_information licenseInfo = { 1073619586, // timestamp = Fri 09 Jan 2004 03:39:46 AM UTC = "Craig Southeren, Post Increment", // source code author "1.0", // source code version "craigs@postincrement.com", // source code email "http://www.postincrement.com", // source code URL "Copyright (C) 2004 by Post Increment, All Rights Reserved", // source code copyright "MPL 1.0", // source code license PluginCodec_License_MPL, // source code license "G.729A", // codec description "VoiceAge Corporation", // codec author NULL, // codec version NULL, // codec email "http://www.voiceage.com", // codec URL "Copyright (C) 1995-2001 VoiceAge Corporation. All Rights Reserved", // codec copyright information "NULL", // codec license PluginCodec_License_ResearchAndDevelopmentUseOnly // codec license code }; static const char L16Desc[] = { "L16" }; static const char g729Descr[] = { "VoiceAge G729" }; static const char g729ADescr[] = { "VoiceAge G729A" }; static const char g729MediaFmt[] = { "G.729" }; static const char g729AMediaFmt[] = { "G.729A" }; #if SUPPORT_VAD static const char g729BMediaFmt[] = { "G.729B" }; static const char g729ABMediaFmt[] = { "G.729A/B" }; #endif static const char ianaName[] = { "G729" }; #define IANACODE 18 static const char VADStr[] = "VAD"; static struct PluginCodec_Option const NoVADOption = { PluginCodec_EnumOption, // PluginCodec_OptionTypes VADStr, // Generic (human readable) option name 0, // Read Only flag PluginCodec_MinMerge, // Merge mode "no", // Initial value "annexb", // SIP/SDP FMTP name "yes", // SIP/SDP FMTP default value (option not included in FMTP if have this value) 0, // H.245 generic capability code and bit mask "no:yes" // Enum values }; static struct PluginCodec_Option const * const NoVADOptionTable[] = { &NoVADOption, NULL }; #if SUPPORT_VAD static struct PluginCodec_Option const VADOption = { PluginCodec_EnumOption, // PluginCodec_OptionTypes VADStr, // Generic (human readable) option name 0, // Read Only flag PluginCodec_MinMerge, // Merge mode "yes", // Initial value "annexb", // SIP/SDP FMTP name "yes", // SIP/SDP FMTP default value (option not included in FMTP if have this value) 0, // H.245 generic capability code and bit mask "no:yes" // Enum values, single string of value separated by colons }; static struct PluginCodec_Option const * const VADOptionTable[] = { &VADOption, NULL }; #endif ///////////////////////////////////////////////////////////////////////////// static void * create_encoder(const struct PluginCodec_Definition * codec) { #ifdef _WIN32_WCE void * context = malloc(E_IF_g729ab_queryBlockSize()); if (context == NULL) return NULL; if (E_IF_g729ab_init(context) == 0) return context; free(context); return NULL; #else if (encoderInUse) return NULL; va_g729a_init_encoder(); encoderInUse = 1; return (void *)1; #endif } static int codec_encoder(const struct PluginCodec_Definition * codec, void * context, const void * from, unsigned * fromLen, void * to, unsigned * toLen, unsigned int * flag) { if (*fromLen < SAMPLES_PER_FRAME*2 || *toLen < BYTES_PER_FRAME) return 0; #ifdef _WIN32_WCE { UWord8 buffer[BYTES_PER_FRAME+1]; if (E_IF_g729ab_encode(context, (Word16 *)from, buffer, toLen, 0) != 0) return 0; memcpy(to, &buffer[1], BYTES_PER_FRAME); } #else va_g729a_encoder((short *)from, (unsigned char *)to); #endif *fromLen = SAMPLES_PER_FRAME*2; *toLen = BYTES_PER_FRAME; return 1; } static void destroy_encoder(const struct PluginCodec_Definition * codec, void * context) { #ifdef _WIN32_WCE free(context); #else encoderInUse = 0; #endif } static void * create_decoder(const struct PluginCodec_Definition * codec) { #ifdef _WIN32_WCE void * context = malloc(D_IF_g729ab_queryBlockSize()); if (context == NULL) return NULL; if (D_IF_g729ab_init(context) == 0) return context; free(context); return NULL; #else if (decoderInUse) return NULL; decoderInUse = 1; va_g729a_init_decoder(); return (void *)1; #endif } static int codec_decoder(const struct PluginCodec_Definition * codec, void * context, const void * from, unsigned * fromLen, void * to, unsigned * toLen, unsigned int * flag) { if (*fromLen < BYTES_PER_FRAME || *toLen < SAMPLES_PER_FRAME*2) return 0; #ifdef _WIN32_WCE { UWord8 buffer[BYTES_PER_FRAME+1]; buffer[0] = 2; memcpy(&buffer[1], from, BYTES_PER_FRAME); if (D_IF_g729ab_decode(context, buffer, (Word16 *)to, 0) != 0) return 0; } #else va_g729a_decoder((unsigned char *)from, (short *)to, 0); #endif *fromLen = BYTES_PER_FRAME; *toLen = SAMPLES_PER_FRAME*2; return 1; } static void destroy_decoder(const struct PluginCodec_Definition * codec, void * context) { #ifdef _WIN32_WCE free(context); #else decoderInUse = 0; #endif } static int get_codec_options(const struct PluginCodec_Definition * defn, void * context, const char * name, void * parm, unsigned * parmLen) { if (parm == NULL || parmLen == NULL || *parmLen != sizeof(struct PluginCodec_Option **)) return 0; *(struct PluginCodec_Option const * const * *)parm = NoVADOptionTable; //defn->userData; return 1; } #if SUPPORT_VAD static int set_codec_options(const struct PluginCodec_Definition * defn, void * context, const char * name, void * parm, unsigned * parmLen) { const char * const * option; int vad; if (context == NULL || parm == NULL || parmLen == NULL || *parmLen != sizeof(const char **)) return 0; for (option = (const char * const *)parm; *option != NULL; option += 2) { if (_stricmp(option[0], VADStr) == 0) vad = atoi(option[1]) != 0; } return 1; } #endif ///////////////////////////////////////////////////////////////////////////// static struct PluginCodec_ControlDefn controlDefn[] = { { PLUGINCODEC_CONTROL_GET_CODEC_OPTIONS, get_codec_options }, #if SUPPORT_VAD { PLUGINCODEC_CONTROL_SET_CODEC_OPTIONS, set_codec_options }, #endif { NULL } }; static struct PluginCodec_Definition CodecDefn[] = { #if SUPPORT_VAD { // encoder MY_VERSION, // codec API version &licenseInfo, // license information PluginCodec_MediaTypeAudio | // audio codec PluginCodec_InputTypeRaw | // raw input data PluginCodec_OutputTypeRaw | // raw output data PluginCodec_RTPTypeExplicit, // explicit RTP type g729Descr, // text decription L16Desc, g729BMediaFmt, VADOptionTable, // user data 8000, // samples per second BITS_PER_SECOND, // raw bits per second MICROSECONDSPERFRAME, // microseconds per frame SAMPLES_PER_FRAME, // samples per frame 10, // bytes per frame 6, // recommended number of frames per packet 24, // maximum number of frames per packet IANACODE, // IANA RTP payload code ianaName, // RTP Payload name create_encoder, // create codec function destroy_encoder, // destroy codec codec_encoder, // encode/decode controlDefn, // codec controls PluginCodec_H323AudioCodec_g729, // h323CapabilityType NULL // h323CapabilityData }, { // decoder MY_VERSION, // codec API version &licenseInfo, // license information PluginCodec_MediaTypeAudio | // audio codec PluginCodec_InputTypeRaw | // raw input data PluginCodec_OutputTypeRaw | // raw output data PluginCodec_RTPTypeExplicit, // explicit RTP type g729Descr, // text decription g729BMediaFmt, L16Desc, VADOptionTable, // user data 8000, // samples per second BITS_PER_SECOND, // raw bits per second MICROSECONDSPERFRAME, // microseconds per frame SAMPLES_PER_FRAME, // samples per frame BYTES_PER_FRAME, // bytes per frame 6, // recommended number of frames per packet 24, // maximum number of frames per packet IANACODE, // IANA RTP payload code ianaName, // RTP Payload name create_decoder, // create codec function destroy_decoder, // destroy codec codec_decoder, // encode/decode controlDefn, // codec controls PluginCodec_H323AudioCodec_g729, // h323CapabilityType NULL // h323CapabilityData }, { // encoder MY_VERSION, // codec API version &licenseInfo, // license information PluginCodec_MediaTypeAudio | // audio codec PluginCodec_InputTypeRaw | // raw input data PluginCodec_OutputTypeRaw | // raw output data PluginCodec_RTPTypeExplicit, // explicit RTP type g729ADescr, // text decription L16Desc, g729ABMediaFmt, VADOptionTable, // user data 8000, // samples per second BITS_PER_SECOND, // raw bits per second MICROSECONDSPERFRAME, // microseconds per frame SAMPLES_PER_FRAME, // samples per frame BYTES_PER_FRAME, // bytes per frame 6, // recommended number of frames per packet 24, // maximum number of frames per packet IANACODE, // IANA RTP payload code ianaName, // RTP Payload name create_encoder, // create codec function destroy_encoder, // destroy codec codec_encoder, // encode/decode controlDefn, // codec controls PluginCodec_H323AudioCodec_g729AnnexA, // h323CapabilityType NULL // h323CapabilityData }, { // decoder MY_VERSION, // codec API version &licenseInfo, // license information PluginCodec_MediaTypeAudio | // audio codec PluginCodec_InputTypeRaw | // raw input data PluginCodec_OutputTypeRaw | // raw output data PluginCodec_RTPTypeExplicit, // explicit RTP type g729ADescr, // text decription g729ABMediaFmt, L16Desc, VADOptionTable, // user data 8000, // samples per second BITS_PER_SECOND, // raw bits per second MICROSECONDSPERFRAME, // microseconds per frame SAMPLES_PER_FRAME, // samples per frame BYTES_PER_FRAME, // bytes per frame 6, // recommended number of frames per packet 24, // maximum number of frames per packet IANACODE, // IANA RTP payload code ianaName, // RTP Payload name create_decoder, // create codec function destroy_decoder, // destroy codec codec_decoder, // encode/decode controlDefn, // codec controls PluginCodec_H323AudioCodec_g729AnnexA, // h323CapabilityType NULL // h323CapabilityData }, #endif { // encoder MY_VERSION, // codec API version &licenseInfo, // license information PluginCodec_MediaTypeAudio | // audio codec PluginCodec_InputTypeRaw | // raw input data PluginCodec_OutputTypeRaw | // raw output data PluginCodec_RTPTypeExplicit, // explicit RTP type g729Descr, // text decription L16Desc, g729MediaFmt, NoVADOptionTable, // user data 8000, // samples per second BITS_PER_SECOND, // raw bits per second MICROSECONDSPERFRAME, // microseconds per frame SAMPLES_PER_FRAME, // samples per frame 10, // bytes per frame 6, // recommended number of frames per packet 24, // maximum number of frames per packet IANACODE, // IANA RTP payload code ianaName, // RTP Payload name create_encoder, // create codec function destroy_encoder, // destroy codec codec_encoder, // encode/decode controlDefn, // codec controls PluginCodec_H323AudioCodec_g729, // h323CapabilityType NULL // h323CapabilityData }, { // decoder MY_VERSION, // codec API version &licenseInfo, // license information PluginCodec_MediaTypeAudio | // audio codec PluginCodec_InputTypeRaw | // raw input data PluginCodec_OutputTypeRaw | // raw output data PluginCodec_RTPTypeExplicit, // explicit RTP type g729Descr, // text decription g729MediaFmt, L16Desc, NoVADOptionTable, // user data 8000, // samples per second BITS_PER_SECOND, // raw bits per second MICROSECONDSPERFRAME, // microseconds per frame SAMPLES_PER_FRAME, // samples per frame BYTES_PER_FRAME, // bytes per frame 6, // recommended number of frames per packet 24, // maximum number of frames per packet IANACODE, // IANA RTP payload code ianaName, // RTP Payload name create_decoder, // create codec function destroy_decoder, // destroy codec codec_decoder, // encode/decode controlDefn, // codec controls PluginCodec_H323AudioCodec_g729, // h323CapabilityType NULL // h323CapabilityData }, { // encoder MY_VERSION, // codec API version &licenseInfo, // license information PluginCodec_MediaTypeAudio | // audio codec PluginCodec_InputTypeRaw | // raw input data PluginCodec_OutputTypeRaw | // raw output data PluginCodec_RTPTypeExplicit, // explicit RTP type g729ADescr, // text decription L16Desc, g729AMediaFmt, NoVADOptionTable, // user data 8000, // samples per second BITS_PER_SECOND, // raw bits per second MICROSECONDSPERFRAME, // microseconds per frame SAMPLES_PER_FRAME, // samples per frame BYTES_PER_FRAME, // bytes per frame 6, // recommended number of frames per packet 24, // maximum number of frames per packet IANACODE, // IANA RTP payload code ianaName, // RTP Payload name create_encoder, // create codec function destroy_encoder, // destroy codec codec_encoder, // encode/decode controlDefn, // codec controls PluginCodec_H323AudioCodec_g729AnnexA, // h323CapabilityType NULL // h323CapabilityData }, { // decoder MY_VERSION, // codec API version &licenseInfo, // license information PluginCodec_MediaTypeAudio | // audio codec PluginCodec_InputTypeRaw | // raw input data PluginCodec_OutputTypeRaw | // raw output data PluginCodec_RTPTypeExplicit, // explicit RTP type g729ADescr, // text decription g729AMediaFmt, L16Desc, NoVADOptionTable, // user data 8000, // samples per second BITS_PER_SECOND, // raw bits per second MICROSECONDSPERFRAME, // microseconds per frame SAMPLES_PER_FRAME, // samples per frame BYTES_PER_FRAME, // bytes per frame 6, // recommended number of frames per packet 24, // maximum number of frames per packet IANACODE, // IANA RTP payload code ianaName, // RTP Payload name create_decoder, // create codec function destroy_decoder, // destroy codec codec_decoder, // encode/decode controlDefn, // codec controls PluginCodec_H323AudioCodec_g729AnnexA, // h323CapabilityType NULL // h323CapabilityData } }; PLUGIN_CODEC_IMPLEMENT_ALL(VoiceAgeG729, CodecDefn, MY_VERSION) /////////////////////////////////////////////////////////////////////////////