RTP 有效负载(载荷)类型,RTP Payload Type

转自:http://blog.csdn.net/caoshangpa/article/details/53008018

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PT RTP 有效负载(载荷)类型,RTP Payload Type Encoding Name RTP 有效负载(载荷)类型,RTP Payload Type Audio/Video (A/V) RTP 有效负载(载荷)类型,RTP Payload Type Clock Rate (Hz) RTP 有效负载(载荷)类型,RTP Payload Type Channels RTP 有效负载(载荷)类型,RTP Payload Type Reference RTP 有效负载(载荷)类型,RTP Payload Type
0 PCMU A 8000 1 [RFC3551]
1 Reserved        
2 Reserved        
3 GSM A 8000 1 [RFC3551]
4 G723 A 8000 1 [Vineet_Kumar][RFC3551]
5 DVI4 A 8000 1 [RFC3551]
6 DVI4 A 16000 1 [RFC3551]
7 LPC A 8000 1 [RFC3551]
8 PCMA A 8000 1 [RFC3551]
9 G722 A 8000 1 [RFC3551]
10 L16 A 44100 2 [RFC3551]
11 L16 A 44100 1 [RFC3551]
12 QCELP A 8000 1 [RFC3551]
13 CN A 8000 1 [RFC3389]
14 MPA A 90000   [RFC3551][RFC2250]
15 G728 A 8000 1 [RFC3551]
16 DVI4 A 11025 1 [Joseph_Di_Pol]
17 DVI4 A 22050 1 [Joseph_Di_Pol]
18 G729 A 8000 1 [RFC3551]
19 Reserved A      
20 Unassigned A      
21 Unassigned A      
22 Unassigned A      
23 Unassigned A      
24 Unassigned V      
25 CelB V 90000   [RFC2029]
26 JPEG V 90000   [RFC2435]
27 Unassigned V      
28 nv V 90000   [RFC3551]
29 Unassigned V      
30 Unassigned V      
31 H261 V 90000   [RFC4587]
32 MPV V 90000   [RFC2250]
33 MP2T AV 90000   [RFC2250]
34 H263 V 90000   [Chunrong_Zhu]
35-71 Unassigned ?      
72-76 Reserved for RTCP conflict avoidance       [RFC3551]
77-95 Unassigned ?      
96-127 dynamic ?     [RFC3551]

除了上表中明确指定PT值的负载类型,还有些负载类型由于诞生的较晚,没有具体的PT值,只能使用动态(dynamic)PT值,即96到127,这就是为什么大家普遍指定H264的PT值为96。下表中列出了没有具体PT值的负载类型。

Media TypeRTP 有效负载(载荷)类型,RTP Payload Type Subtype RTP 有效负载(载荷)类型,RTP Payload Type Clock Rate (Hz) RTP 有效负载(载荷)类型,RTP Payload Type Channels (audio) RTP 有效负载(载荷)类型,RTP Payload Type Reference RTP 有效负载(载荷)类型,RTP Payload Type
application 1d-interleaved-parityfec     [RFC6015]
application h224 4800   [RFC4573]
application parityfec     [RFC3009]
application raptorfec     [RFC6682]
application rtx     [RFC4588]
application smpte336m     [RFC6597]
application ulpfec     [RFC5109]
audio 1d-interleaved-parityfec     [RFC6015]
audio 32kadpcm 8000   [RFC3802][RFC2421]
audio ac3     [RFC4184]
audio AMR 8000   [RFC4867][RFC3267]
audio AMR-WB 16000   [RFC4867][RFC3267]
audio amr-wb+ 72000   [RFC4352]
audio atrac3 44100   [RFC5584]
audio ATRAC-ADVANCED-LOSSLESS     [RFC5584]
audio atrac-x     [RFC5584]
audio BV16 8000   [RFC4298]
audio BV32 16000   [RFC4298]
audio clearmode 8000 1 [RFC4040]
audio CN     [RFC3389]
audio DAT12     [RFC3190]
audio dsr-es201108     [RFC3557]
audio dsr-es202050 8000   [RFC4060]
audio dsr-es202211 8000   [RFC4060]
audio dsr-es202212 8000   [RFC4060]
audio DV     [RFC6469]
audio eac3     [RFC4598]
audio EVRC 8000 1 [RFC4788]
audio EVRC0 8000 1 [RFC4788]
audio EVRC1 8000 1 [RFC4788]
audio EVRCB 8000 1 [RFC4788]
audio EVRCB0 8000 1 [RFC4788]
audio EVRCB1 8000 1 [RFC4788]
audio EVRCWB     [RFC5188]
audio EVRCWB0     [RFC5188]
audio EVRCWB1     [RFC5188]
audio fwdred     [RFC6354]
audio g719 48000   [RFC5404]
audio G7221 16000 1 [RFC5577]
audio G726-16 8000 1 [RFC3551][RFC4856]
audio G726-24 8000 1 [RFC3551][RFC4856]
audio G726-32 8000 1 [RFC3551][RFC4856]
audio G726-40 8000 1 [RFC3551][RFC4856]
audio G729D 8000 1 [RFC3551][RFC4856]
audio G729E 8000 1 [RFC3551][RFC4856]
audio GSM-EFR 8000 1 [RFC3551][RFC4856]
audio L8     [RFC3551][RFC4856]
audio raptorfec     [RFC6682]
audio RED     [RFC2198][RFC3555]
audio rtx     [RFC4588]
audio VDVI   1 [RFC3551][RFC4856]
audio L20     [RFC3190]
audio L24     [RFC3190]
audio MP4A-LATM     [RFC3016]
audio mpa-robust 90000   [RFC5219]
audio parityfec     [RFC5109]
audio SMV 8000 1 [RFC3558]
audio SMV0 8000 1 [RFC3558]
audio t140c     [RFC4351]
audio t38     [RFC4612]
audio telephone-event     [RFC4733]
audio tone     [RFC4733]
audio DVI4     [RFC4856]
audio G722     [RFC4856]
audio G723     [RFC4856]
audio G728     [RFC4856]
audio G729     [RFC4856]
audio GSM     [RFC4856]
audio L16     [RFC4856]
audio LPC     [RFC4856]
audio PCMA     [RFC4856]
audio PCMU     [RFC4856]
audio G7291 16000   [RFC4749][RFC5459]
audio GSM-HR-08 8000   [RFC5993]
audio iLBC 8000   [RFC3952]
audio ip-mr_v2.5 16000   [RFC6262]
audio MPA 90000   [RFC3555]
audio mpeg4-generic     [RFC3640][RFC5691][RFC6295]
audio PCMA-WB 16000   [RFC5391]
audio PCMU-WB 16000   [RFC5391]
audio QCELP     [RFC3555]
audio rtp-midi     [RFC6295]
audio speex     [RFC5574]
audio uemclip     [RFC5686]
audio ulpfec     [RFC5109]
audio VMR-WB 16000   [RFC4348][RFC4424]
audio vorbis     [RFC5215]
audio vorbis-config     [RFC5215]
text 1d-interleaved-parityfec     [RFC6015]
text fwdred     [RFC6354]
text parityfec     [RFC3009]
text raptorfec     [RFC6682]
text red 1000   [RFC4102]
text rtx     [RFC4588]
text t140 1000   [RFC4103]
text ulpfec     [RFC5109]
video BMPEG 90000   [RFC2343][RFC3555]
video 1d-interleaved-parityfec     [RFC6015]
video 3gpp-tt     [RFC4396]
video BT656 90000   [RFC2431][RFC3555]
video celB     [RFC3555]
video DV 90000   [RFC6469]
video H261     [RFC4587]
video H263 90000   [RFC4628]
video H263-1998 90000   [RFC4629]
video H263-2000 90000   [RFC4629]
video H264     [RFC6184]
video H264-RCDO 90000   [RFC6185]
video H264-SVC     [RFC6190]
video JPEG     [RFC3555]
video JPEG2000     [RFC5371]
video MP1S 90000   [RFC2250][RFC3555]
video MP2P 90000   [RFC2250][RFC3555]
video MP2T     [RFC3555]
video MP4V-ES 90000   [RFC3016]
video mpeg4-generic     [RFC3640]
video MPV     [RFC3555]
video nv     [RFC4856]
video parityfec     [RFC5109]
video pointer 90000   [RFC2862]
video raptorfec     [RFC6682]
video raw 90000   [RFC4175]
video rtx     [RFC4588]
video SMPTE292M     [RFC3497]
video ulpfec     [RFC5109]
video vc1 90000   [RFC4425]

参考链接:https://www.ietf.org/assignments/rtp-parameters/rtp-parameters.xml

RTP 有效负载(载荷)类型,RTP Payload Type

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