video_com_cn实时传输协议详解.mht

RTP（ Real-time Transport Protocol）协议最初是在70年代为了尝试传输声音文件

From: <由 Microsoft Internet Explorer 5 保存>
Subject: =?gb2312?B?VmlkZW8uY29tLmNuOsq1yrG0q8rk0K3S6c/qveI=?=
Date: Fri, 19 Oct 2007 10:45:43 +0800
MIME-Version: 1.0
Content-Type: multipart/related;
	type="multipart/alternative";
	boundary="----=_NextPart_000_00AD_01C8123D.329A57E0"
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198

This is a multi-part message in MIME format.

------=_NextPart_000_00AD_01C8123D.329A57E0
Content-Type: image/gif
Content-Transfer-Encoding: base64
Content-Location: http://www.video.com.cn/img/logo.gif
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------=_NextPart_000_00AD_01C8123D.329A57E0
Content-Type: image/gif
Content-Transfer-Encoding: base64
Content-Location: http://www.video.com.cn/img/top_l.gif

R0lGODlhAwADAKIAAP+uk/92Sf/7+v9zRP+wlf9mMwAAAAAAACH5BAAAAAAALAAAAAADAAMAAAMG
KBRQNS4BADs=

------=_NextPart_000_00AD_01C8123D.329A57E0
Content-Type: image/gif
Content-Transfer-Encoding: base64
Content-Location: http://www.video.com.cn/img/top_r.gif

R0lGODlhAwADAKIAAP+uk/92Sf/7+v9zRP+wlf9mMwAAAAAAACH5BAAAAAAALAAAAAADAAMAAAMG
GCRV0CMBADs=

------=_NextPart_000_00AD_01C8123D.329A57E0
Content-Type: image/gif
Content-Transfer-Encoding: base64
Content-Location: http://www.video.com.cn/news/img/messenger_biao_write.gif

R0lGODlhEgAUAMQAAP79/tbc4dna4+Xl7c/R1aeqrmx1iuHn7dXb342SmZGTnLmoN87R2I+TnOPm
8Nba5dTb4dXd5OXm69Pa4Y6UmtTb49fa4P/+/9fc4uPm7dfb5P7//////dba49bb4f///ywAAAAA
EgAUAAAF7qAnehrpYZ3XPdGjWeWIaF2AdDV2QpUweoGOpeFA2QIYBKbyiwQomUQm0GtBLAIcTqMY
bDaKjNZj6CB+jczm8wFnroaFAdKhNQ4XzidzYVAGcWUWKVAXbQcSBR8XgQFBGFIbFxsABwUcjHIS
AhMeFAwEEhwcDoqZBh8JDjAaCQwZDpYcAAa1bB8NAxE4Da+XAxILHJIHo2kiFp8OAxmgDAAZBWsc
DT8JBAwDxQTRax8KED8eDdhqiaMbDQ/iJOSh0sMKHjM/FREQvQUOEmAdSSpaUpxQQIDAgGoaJmiI
gexBkFYM1CFQIpDdCHnsQgAAOw==

------=_NextPart_000_00AD_01C8123D.329A57E0
Content-Type: application/octet-stream
Content-Transfer-Encoding: base64
Content-Location: http://www.video.com.cn/image.jsp
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------=_NextPart_000_00AD_01C8123D.329A57E0
Content-Type: image/gif
Content-Transfer-Encoding: base64
Content-Location: http://www.video.com.cn/img/point.gif

R0lGODlhCgAKAJECAP////+aNf///wAAACH5BAEAAAIALAAAAAAKAAoAAAIYVI4hhpDcYgqOUoCz
nbXKfXgUlGBLhgoFADs=

------=_NextPart_000_00AD_01C8123D.329A57E0
Content-Type: image/gif
Content-Transfer-Encoding: base64
Content-Location: http://www.video.com.cn/img/search.gif
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------=_NextPart_000_00AD_01C8123D.329A57E0
Content-Type: image/gif
Content-Transfer-Encoding: base64
Content-Location: http://www.video.com.cn/img/newtitle_background_1.gif

R0lGODlhAgAdAMQAAAAAAP////n6/PD1+O7z9tzp7+Dr7+Pu8uHs8Ory9enx9Pf7/PX5+vP3+N3r
7tzq7eXv8fz+/fr8+/7+/re3t////wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEA
ABUALAAAAAACAB0AAAUoIEVNUxRJkiAwTNMMA0EkyfMUhe04hoEghwMEolDQZDAXa7FAmUiiEAA7

------=_NextPart_000_00AD_01C8123D.329A57E0
Content-Type: text/css;
	charset="gb2312"
Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.video.com.cn/img/stylesnews.css

.title {
	FONT-SIZE: 12px; LINE-HEIGHT: 18px
}
A:link {
	COLOR: #0000cc; FONT-FAMILY: "=CB=CE=CC=E5"; TEXT-DECORATION: none
}
A:visited {
	COLOR: #0000cc; TEXT-DECORATION: none
}
A:active {
	COLOR: #0000cc; TEXT-DECORATION: none
}
A:hover {
	COLOR: #ff0000; TEXT-DECORATION: underline
}
.text01 {
	FONT-SIZE: 13px; LINE-HEIGHT: 22px
}
.f14 {
	FONT-SIZE: 14px; LINE-HEIGHT: 1.5em
}
BODY {
	FONT-SIZE: 14px; LINE-HEIGHT: 1.5em
}
TR {
	FONT-SIZE: 14px; LINE-HEIGHT: 1.5em
}
TD {
	FONT-SIZE: 14px; LINE-HEIGHT: 1.5em
}
A.menu:link {
	FONT-SIZE: 12px; COLOR: #ffffff; TEXT-DECORATION: none
}
A.menu:visited {
	COLOR: #ffffff; TEXT-DECORATION: none
}
A.menu:hover {
	COLOR: #ffffff; TEXT-DECORATION: none
}
.w_text {