| FEC
payload header format |
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| • | fec_id
(8 bits): This field identifies the FEC scheme used for FEC |
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| protection.
The FEC scheme identified by this field determines the |
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| content
of source FEC payload ID and FEC repair packet carried by FEC |
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| payload. |
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| • | PT
(8 bits): PT (Payload Type) field indicates the FEC payload type. If PT |
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| is
set to 1, it indicates that the FEC payload is source FEC payload ID. If |
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| PT
is set to 2, it indicates that FEC payload is repair packet. |
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| • | reserved
(16 bits): reserved for future use. |
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