2.2.7.1 RTCP Profile-Specific Extension for Estimated Bandwidth
The format of this extension is as follows:
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Bandwidth |
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Type (2 bytes): The extension type. This field MUST be set to 0x0001.
Length (2 bytes): The extension length in bytes, including this header. This field MUST be set to 0x000C.
SSRC (4 bytes): The SSRC for which the bandwidth estimated is being reported.
Bandwidth (4 bytes): A 32-bit signed integer. This is the estimated bandwidth in bits per second. A value of 0xFFFFFFFD (-3) means that this host does not yet have enough measurements to generate a bandwidth estimate.