opal-v2_1beta0-src.zip_H.323_opal

共486个文件

h：170个

c：117个

cxx：100个

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h.323

opal

55 浏览量 2022-09-19 12:51:22 上传评论收藏 3.72MB ZIP 举报

标题中的"opal-v2_1beta0-src.zip_H.323_opal_sip"表明这是一个源代码压缩包，主要用于实现H.323和SIP通信协议。OPAL（Open H.323 and SIP Library）是一个开源库，旨在为开发者提供实现这两种VoIP（Voice over Internet Protocol）协议的工具。 H.323是国际电信联盟（ITU）制定的一套多媒体通信标准，广泛应用于IP网络中的语音、视频和数据通信。它定义了在不可靠的IP网络上进行实时通信所需的组件、控制协议和服务。H.323协议栈包括多个组件，如GK（Gatekeeper）、MC（Multipoint Controller）、终端、网关等，这些组件协同工作以确保通信的建立、管理及服务质量。 SIP（Session Initiation Protocol）则是一种应用层控制协议，用于发起、修改和终止多媒体通信会话。与H.323相比，SIP更为简洁，更易于实现和扩展，且更适应互联网的动态性和分布式特性。SIP主要处理会话的初始化，包括邀请、响应、拒绝、取消等操作，以及会话中的媒体协商。 OPAL库的出现，使得开发者能够更容易地在项目中集成H.323和SIP功能，而无需从头开始编写复杂的协议实现。OPAL提供了跨平台的API，可以用于C++或C语言的开发环境中，支持多种操作系统，如Windows、Linux、Mac OS X等。在压缩包内的文件"www.pudn.com.txt"可能是一个说明文档或者下载来源的记录，而"opal"可能是指OPAL库的源代码目录。开发者通常需要解压这个包，编译源代码，并将生成的库文件集成到他们的项目中，以利用OPAL的功能。在实际应用中，使用OPAL库的开发者需要理解H.323和SIP的基本概念，包括呼叫流程、信令交互、媒体编码和传输等。同时，他们还需要掌握如何配置和使用OPAL库提供的API，例如创建和管理会话、处理信令消息、实现媒体流的编码和解码等。通过OPAL，开发者可以构建各种类型的VoIP应用程序，如软电话、视频会议系统、VoIP网关等。 "opal-v2_1beta0-src.zip_H.323_opal_sip"是一个包含OPAL库源代码的压缩包，用于实现H.323和SIP通信协议，适合对这两项协议有需求的开发者进行二次开发。通过学习和使用OPAL，开发者可以快速构建符合标准的VoIP解决方案。

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opal-v2_1beta0-src.zip_H.323_opal_sip （486个子文件）

Makefile.am 1KB

h245.asn 95KB

h225.asn 66KB

gcc.asn 28KB

h248.asn 21KB

h501.asn 18KB

mcs.asn 12KB

h235.asn 9KB

ldap.asn 9KB

h4501.asn 7KB

h4505.asn 7KB

h4502.asn 4KB

h45011.asn 4KB

h4507.asn 4KB

h4503.asn 3KB

h4509.asn 3KB

x880.asn 3KB

t38.asn 2KB

h4504.asn 2KB

h4508.asn 1KB

h45010.asn 1KB

h4506.asn 965B

AUTHORS 476B

huffcode.c 1.27MB

bv.c 104KB

nb_celp.c 53KB

sb_celp.c 41KB

constants.c 38KB

voicin.c 29KB

long_term.c 24KB

analys.c 24KB

iLBC_decode.c 22KB

enhancer.c 22KB

decode_.c 20KB

iLBC_encode.c 19KB

pitsyn.c 18KB

iCBSearch.c 15KB

g72x.c 15KB

bsynz.c 15KB

ltp.c 15KB

modes.c 14KB

synths.c 14KB

dyptrk.c 13KB

lpcini.c 13KB

encode_.c 12KB

gsm_encode.c 12KB

rpe.c 11KB

cb_search.c 11KB

gsm_decode.c 11KB

short_term.c 11KB

onset.c 11KB

helpfun.c 10KB

lpcdec.c 10KB

lsp.c 9KB

LPCencode.c 9KB

vparms.c 9KB

bits.c 9KB

lsf.c 9KB

vbr.c 8KB

lsp_tables_nb.c 8KB

g711.c 8KB

placev.c 8KB

doCPLC.c 8KB

quant_lsp.c 8KB

filters.c 8KB

placea.c 8KB

createCB.c 7KB

gsm_lpc.c 7KB

chanwr.c 7KB

g726_40.c 7KB

StateSearchW.c 7KB

g726_32.c 7KB

g726_16.c 6KB

exc_5_256_table.c 6KB

packing.c 6KB

filter.c 6KB

g726_24.c 6KB

tbdm.c 6KB

add.c 6KB

getCBvec.c 5KB

invert.c 5KB

high_lsp_tables.c 5KB

LPCdecode.c 5KB

speex_header.c 5KB

lpcenc.c 5KB

hexc_table.c 5KB

exc_8_128_table.c 5KB

mload.c 5KB

hp100.c 4KB

lpc.c 4KB

speex_callbacks.c 4KB

stereo.c 4KB

irc2pc.c 4KB

deemp.c 4KB

preemp.c 4KB

vq.c 4KB

exc_20_32_table.c 4KB

testenc.c 4KB

misc.c 3KB

ivfilt.c 3KB

共 486 条

/************ Change log * * $Log: huffcode.c,v $ * Revision 2.1 2003/03/15 23:42:59 robertj * Update to OpenH323 v1.11.7 * * Revision 1.2 2001/01/29 19:42:38 dereks * Add change log facility (Thanks Robert) * * * * ********/ #include "p64-huff.h" const int htd_mtype_width = 10; const short htd_mtype[] = {(short) 0xffca,(short) 0x01ea,(short) 0x0089,(short) 0x0089,(short) 0x00e8,(short) 0x00e8,(short) 0x00e8,(short) 0x00e8,(short) 0x0527,(short) 0x0527,(short) 0x0527,(short) 0x0527,(short) 0x0527,(short) 0x0527,(short) 0x0527,(short) 0x0527,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x03e6,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 0x0165,(short) 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