Hi,
I wanted to enumerate the ports on the cards through vala today. I
quickly found that the vala binding was not up-to-date, so I added
fields for that (see attachment).
However, to be able to access the card ports, I needed to do two things
differently from how the existing arrays look:
1) I needed to add this line to indicate the length of the array:
[CCode (array_length_cname="n_ports", array_length_type="uint32")]
2) I needed to add a question mark to indicate these are
pointer-to-pointers (pa_card_port_info **). Otherwise vala would think
they are simple pointers (pa_card_port_info *) and fail with a segfault.
This raises the question if anybody ever has used these arrays before
and got them to work, or if I should just change this on all arrays
(with pointer-to-pointers)? Anybody who knows?
--
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic
diff --git a/vala/libpulse.vapi b/vala/libpulse.vapi
index eb8dfa1..6e34df6 100644
--- a/vala/libpulse.vapi
+++ b/vala/libpulse.vapi
@@ -1348,6 +1348,19 @@ namespace PulseAudio {
public uint32 priority;
}
+ [CCode (cname="pa_card_port_info", has_type_id=false)]
+ public struct CardPortInfo {
+ public string name;
+ public string description;
+ public uint32 priority;
+ public int available;
+ public int direction;
+ public uint32 n_profiles;
+ public CardProfileInfo[] profiles;
+ public Proplist proplist;
+ public int64 latency_offset;
+ }
+
[CCode (cname="pa_card_info", has_type_id=false)]
public struct CardInfo {
public uint32 index;
@@ -1358,6 +1371,9 @@ namespace PulseAudio {
public CardProfileInfo[] profiles;
public CardProfileInfo *active_profile;
public Proplist proplist;
+ public uint32 n_ports;
+ [CCode (array_length_cname="n_ports", array_length_type="uint32")]
+ public CardPortInfo?[] ports;
}
[CCode (cname="pa_sink_input_info", has_type_id=false)]
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