2.2.8.4 Connection Preference Attribute
The Connection Preference attribute indicates the preference of transports for the connection of the Miracast Sink to the Miracast Source. The Sink MAY include a Connection Preference attribute in the Vendor Extension attribute, but it MUST NOT appear more than once.
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AttributeID |
Length |
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ConnectionPreferenceList |
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AttributeID (2 bytes): The Connection Preference attribute ID, which is 0x2004.
Length (2 bytes): The length of the ConnectionPreferenceList field, in bytes, which is 0x0004.
ConnectionPreferenceList (4 bytes): A packed array with room for 8 connection transport IDs, in descending order of preference. The following IDs are defined.
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Transport ID
Transport
0x1
Miracast over Infrastructure
0x2
-
The following is an example of a preference list buffer with Miracast over Infrastructure preferred over WFD.
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0
1
2
3
4
5
6
7
8
91
0
1
2
3
4
5
6
7
8
92
0
1
2
3
4
5
6
7
8
93
0
10x1
0x2
0
0
0
0
0
0