实时传输协议（rtp）和实时控制协议（rtcp）(h264).mht

其中为本人做媒体项目时搜集的一些有关rtp和h264方面的资料.

ily:
SimSun;mso-font-kerning:0pt'>RTP</span></b><b><span style=3D'font-size:10.0=
pt;
font-family:SimSun;mso-bidi-font-family:SimSun;mso-font-kerning:0pt'>&#2663=
1;&#39064;&#30001;<span
lang=3DEN-US>4</span>&#20010;&#20449;&#24687;&#21253;&#26631;&#39064;&#2249=
5;&#21644;&#20854;&#20182;&#22495;&#32452;&#25104;&#65306;&#26377;&#25928;&=
#36733;&#33655;&#31867;&#22411;<span
lang=3DEN-US>(payload type)</span>&#22495;&#65292;&#39034;&#24207;&#21495;<=
span
lang=3DEN-US>(sequence number)</span>&#22495;&#65292;&#26102;&#38388;&#2513=
9;<span
lang=3DEN-US>(timestamp)</span>&#22495;&#21644;&#21516;&#27493;&#28304;&#26=
631;&#35782;&#31526;<span
lang=3DEN-US>(Synchronization Source Identifier)</span>&#22495;&#31561;&#12=
290;<span
lang=3DEN-US>RTP</span>&#20449;&#24687;&#21253;&#30340;&#26631;&#39064;&#22=
495;&#30340;&#32467;&#26500;&#22914;&#19979;&#22270;&#25152;&#31034;&#65306=
;<span
lang=3DEN-US><o:p></o:p></span></span></b></p>

<table class=3DMsoNormalTable border=3D1 cellspacing=3D1 cellpadding=3D0 wi=
dth=3D557
 style=3D'width:417.75pt;mso-cellspacing:.7pt'>
 <tr style=3D'mso-yfti-irow:0;mso-yfti-firstrow:yes;mso-yfti-lastrow:yes'>
  <td width=3D"20%" valign=3Dtop style=3D'width:20.0%;padding:.75pt .75pt .=
75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>Payload <o:p></o:p></span></p>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>Type<br>
  (</span><span style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-=
family:
  SimSun;mso-font-kerning:0pt'>&#26377;&#25928;&#36733;&#33655;&#31867;&#22=
411;<span
  lang=3DEN-US>)<o:p></o:p></span></span></p>
  </td>
  <td width=3D"20%" valign=3Dtop style=3D'width:20.0%;padding:.75pt .75pt .=
75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>Sequence Number<br>
  <br>
  (</span><span style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-=
family:
  SimSun;mso-font-kerning:0pt'>&#39034;&#24207;&#21495;<span lang=3DEN-US>)=
<o:p></o:p></span></span></p>
  </td>
  <td width=3D"20%" valign=3Dtop style=3D'width:20.0%;padding:.75pt .75pt .=
75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>Timestamp<br>
  <br>
  (</span><span style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-=
family:
  SimSun;mso-font-kerning:0pt'>&#26102;&#38388;&#25139;<span lang=3DEN-US>)=
<o:p></o:p></span></span></p>
  </td>
  <td width=3D"20%" valign=3Dtop style=3D'width:20.0%;padding:.75pt .75pt .=
75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>Synchronization Source Identifier<br>
  (</span><span style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-=
family:
  SimSun;mso-font-kerning:0pt'>&#21516;&#27493;&#28304;&#26631;&#35782;&#31=
526;<span
  lang=3DEN-US>)<o:p></o:p></span></span></p>
  </td>
  <td width=3D"20%" valign=3Dtop style=3D'width:20.0%;padding:.75pt .75pt .=
75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>Miscellaneous Fields<br>
  (</span><span style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-=
family:
  SimSun;mso-font-kerning:0pt'>&#20854;&#20182;<span lang=3DEN-US>)<o:p></o=
:p></span></span></p>
  </td>
 </tr>
</table>

<p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-ma=
rgin-bottom-alt:
auto;text-align:center;line-height:14.0pt;mso-pagination:widow-orphan'><b><=
span
style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
mso-font-kerning:0pt'>&#12288;<span lang=3DEN-US><o:p></o:p></span></span><=
/b></p>

<p class=3DMsoNormal align=3Dleft style=3D'mso-margin-top-alt:auto;mso-marg=
in-bottom-alt:
auto;text-align:left;line-height:14.0pt;mso-pagination:widow-orphan'><b><sp=
an
lang=3DEN-US style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-fam=
ily:
SimSun;color:purple;mso-font-kerning:0pt'>1. </span></b><b><span
style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
color:purple;mso-font-kerning:0pt'>&#26377;&#25928;&#36733;&#33655;&#31867;=
&#22411;<span
lang=3DEN-US><o:p></o:p></span></span></b></p>

<p class=3DMsoNormal align=3Dleft style=3D'mso-margin-top-alt:auto;mso-marg=
in-bottom-alt:
auto;text-align:left;line-height:14.0pt;mso-pagination:widow-orphan'><b><sp=
an
lang=3DEN-US style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-fam=
ily:
SimSun;mso-font-kerning:0pt'>RTP</span></b><b><span style=3D'font-size:10.0=
pt;
font-family:SimSun;mso-bidi-font-family:SimSun;mso-font-kerning:0pt'>&#2044=
9;&#24687;&#21253;&#20013;&#30340;&#26377;&#25928;&#36733;&#33655;&#22495;<=
span
lang=3DEN-US>(Payload Type Field)</span>&#30340;&#38271;&#24230;&#20026;<sp=
an
lang=3DEN-US>7</span>&#20301;&#65292;&#22240;&#27492;<span lang=3DEN-US>RTP=
</span>&#21487;&#25903;&#25345;<span
lang=3DEN-US>128</span>&#31181;&#19981;&#21516;&#30340;&#26377;&#25928;&#36=
733;&#33655;&#31867;&#22411;&#12290;&#23545;&#20110;&#22768;&#38899;&#27969=
;&#65292;&#36825;&#20010;&#22495;&#29992;&#26469;&#25351;&#31034;&#22768;&#=
38899;&#20351;&#29992;&#30340;&#32534;&#30721;&#31867;&#22411;&#65292;&#203=
63;&#22914;<span
lang=3DEN-US>PCM</span>&#12289;&#33258;&#36866;&#24212;&#22686;&#37327;&#35=
843;&#21046;&#25110;&#32447;&#24615;&#39044;&#27979;&#32534;&#30721;&#31561=
;&#31561;&#12290;&#22914;&#26524;&#21457;&#36865;&#31471;&#22312;&#20250;&#=
35805;&#25110;&#32773;&#24191;&#25773;&#30340;&#20013;&#36884;&#20915;&#234=
50;&#25913;&#21464;&#32534;&#30721;&#26041;&#27861;&#65292;<span
class=3DGramE>&#21457;&#36865;&#31471;&#21487;&#36890;&#36807;&#36825;&#200=
10;&#22495;&#26469;&#36890;&#30693;</span>&#25509;&#25910;&#31471;&#12290;&=
#34920;<span
lang=3DEN-US>16-01</span>&#21015;&#20986;&#20102;&#30446;&#21069;<span
lang=3DEN-US>RTP</span>&#25152;&#33021;&#25903;&#25345;&#30340;&#22768;&#38=
899;&#26377;&#25928;&#36733;&#33655;&#31867;&#22411;&#12290;<span
lang=3DEN-US><o:p></o:p></span></span></b></p>

<p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-ma=
rgin-bottom-alt:
auto;margin-left:188.4pt;text-align:center;line-height:14.0pt;mso-paginatio=
n:
widow-orphan'><b><span style=3D'font-size:10.0pt;font-family:SimSun;mso-bid=
i-font-family:
SimSun;mso-font-kerning:0pt'>&#34920;<span lang=3DEN-US>16-01 </span>&#3044=
6;&#21069;<span
lang=3DEN-US>RTP</span>&#25152;&#33021;&#25903;&#25345;&#30340;&#22768;&#38=
899;&#26377;&#25928;&#36733;&#33655;&#31867;&#22411;<span
lang=3DEN-US><o:p></o:p></span></span></b></p>

<div align=3Dcenter>

<table class=3DMsoNormalTable border=3D1 cellpadding=3D0 width=3D395 style=
=3D'width:296.25pt;
 mso-cellspacing:1.5pt;border:outset black 1.0pt;mso-border-alt:outset blac=
k .75pt'>
 <tr style=3D'mso-yfti-irow:0;mso-yfti-firstrow:yes'>
  <td width=3D"21%" valign=3Dtop style=3D'width:21.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span style=3D'font-s=
ize:
  10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;mso-font-kerning:0p=
t'>&#26377;&#25928;&#36733;&#33655;&#21495;<span
  lang=3DEN-US><o:p></o:p></span></span></p>
  </td>
  <td width=3D"28%" valign=3Dtop style=3D'width:28.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span style=3D'font-s=
ize:
  10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;mso-font-kerning:0p=
t'>&#22768;&#38899;&#31867;&#22411;<span
  lang=3DEN-US><o:p></o:p></span></span></p>
  </td>
  <td width=3D"26%" valign=3Dtop style=3D'width:26.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span style=3D'font-s=
ize:
  10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;mso-font-kerning:0p=
t'>&#37319;&#26679;&#29575;<span
  lang=3DEN-US>(kHz)<o:p></o:p></span></span></p>
  </td>
  <td width=3D"25%" valign=3Dtop style=3D'width:25.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span style=3D'font-s=
ize:
  10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;mso-font-kerning:0p=
t'>&#25968;&#25454;&#29575;<span
  lang=3DEN-US>(kb/s)<o:p></o:p></span></span></p>
  </td>
 </tr>
 <tr style=3D'mso-yfti-irow:1'>
  <td width=3D"21%" valign=3Dtop style=3D'width:21.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>0<o:p></o:p></span></p>
  </td>
  <td width=3D"28%" valign=3Dtop style=3D'width:28.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>PCM <span class=3DSpellE>mu</span>-law<o:p></o:p></=
span></p>
  </td>
  <td width=3D"26%" valign=3Dtop style=3D'width:26.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>8<o:p></o:p></span></p>
  </td>
  <td width=3D"25%" valign=3Dtop style=3D'width:25.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>64<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style=3D'mso-yfti-irow:2'>
  <td width=3D"21%" valign=3Dtop style=3D'width:21.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>1<o:p></o:p></span></p>
  </td>
  <td width=3D"28%" valign=3Dtop style=3D'width:28.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:10.0pt;font-family:SimSun;mso-bidi-font-family:SimSun;
  mso-font-kerning:0pt'>1016<o:p></o:p></span></p>
  </td>
  <td width=3D"26%" valign=3Dtop style=3D'width:26.0%;border:inset black 1.=
0pt;
  mso-border-alt:inset black .75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=