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introspect: Expose port info per card to clients

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For volume control UIs to be able to show ports in inactive profiles,
expose all ports together with the card info. This includes updating
the protocol and the client API to show the connection between ports
and for which profiles the ports are relevant.

Update protocol to 26.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
This commit is contained in:
David Henningsson 2012-02-23 07:17:06 +01:00 • committed by Arun Raghavan
parent 752ae7285e
commit 793f46320e
7 changed files with 207 additions and 7 deletions
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23
PROTOCOL
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@ -299,6 +299,29 @@ The field is added once for every port.
When port availability changes, send a subscription event for the
owning card.
## v26, implemented by >= 2.0
In reply from PA_COMMAND_GET_CARD_INFO (and thus
PA_COMMAND_GET_CARD_INFO_LIST), the following is added:
uint32_t n_ports
...followed by n_ports extended port entries, which look like this:
string name
string description
uint32_t priority
uint32_t available
uint8_t direction
proplist
uint32_t n_profiles
string profile_name_1
...
string profile_name_n
Profile names must match earlier sent profile names for the same card.
#### If you just changed the protocol, read this
## module-tunnel depends on the sink/source/sink-input/source-input protocol
## internals, so if you changed these, you might have broken module-tunnel.