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GAVDP The Generic audio video distribution profile provides the mechanism for distributing audio and video content over a Bluetooth connection.
You will learn about the Bluetooth GAVDP Profile API.
There are two roles defined for GAVDP, they are:
Initiator (INT), and
Acceptor (ACP).
INT begins a signalling procedure and ACP responds. The roles are not linked to the master / slave relationship between devices and can switch when a new procedure is initiated.
GAVDP has been implemented in the Symbian OS Bluetooth subsystem specifically to support the Bluetooth stereo headset usecase. The Audio Video Distribution Transport Protocol (AVDTP) manages the transmission of audio packets over an L2CAP channel. The GAVDP component of the Bluetooth subsystem provides an API to configure, send and receive data over the AVDTP within an ESock plugin.