When registering audio cards for the handsfree and gateway roles we
need a way for our users to differentiate between both to decide which
of them they start using for their purpose.
As we won't allow any card to be registered when the kernel doesn't
support defer_setup, we don't need to have the listening SCO socket
open in this case.
If the kernel doesn't support defer_setup for SCO, we shouldn't allow
cards to be registered, because in that case we won't be able to
properly send the file descriptor to the Agent.
In the case that ofono_handsfree_card_connect_sco() is called outside the
context of a .Connect() call, there's no message we need to reply. This
happens, for example, when the HFP AG plugin initiates a SCO connection when
it receives an AT+BCC command from the HF.
Each time an agent registers itself, we check if we support deferred
setup and if the agent has mSBC as a codec, if both checks are true,
we enable wideband speech support.
'defer_setup' will be one of the inputs when enabling or disabling
support for wideband speech codecs, we will only enable wideband
speech support if the kernel supports deferred setup.
So, we have to have this information available, in this case it means
a global variable.
This patch removes the hard-coded CVSD codec, and adds the selected
codec in the NewConnection method call, notifying the agent the codec
previously selected for the audio connection.
When calling the card's .Connect() method, we should be able to
establish a SCO connection.
Right now, we only have support for establishing the SCO connection
directly, this is what is expected from HFP 1.5 HF/AG devices.
The Audio Card is being created when the NewConnection from BlueZ
Profile is received, and registered when the service level connection
negotiation finishes. This patch rejects SCO connection if the SCO
incoming connection arrives when the service level negotiation is
ongoing.
This patch adds Agent NewConnection call. The card object path, the SCO
file descriptor, and the codec are being passed to the agent. This
initial version supports CVSD codec only.
Unlike the previous implementation in the plugin, the SCO/SLC matching
is done based on the Audio Card objects.
Audio Cards are created when the RFCOMM fd descriptor is received, and
registered when the service level connetion is established.
Luiz Augusto von Dentz
Denis Kenzior
Simon Fels
Tommi Kenakkala
Marcel Holtmann
Vinicius Costa Gomes
Vinicius Costa Gomes
João Paulo Rechi Vita
Claudio Takahasi