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Add retrieval of default capture ports

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This commit is contained in:
Milan Zamazal 2022-06-14 20:15:08 +02:00
parent 36b66024ad
commit 6041fcdc0b
1 changed files with 23 additions and 6 deletions
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29
pw-lib.el
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@ -115,6 +115,9 @@ version, call `pw-lib-refresh' first."
(cons (car d) (cdr (assoc (cdr d) nodes))))
defaults))))
(defun pw-lib--default-node (key)
(pw-lib-get-object (cdr (assoc key (pw-lib-default-nodes)))))
(defun pw-lib-bindings ()
"Return bindings between PipeWire objects.
An association lists with elements of the form (PARENT . CHILD) is
@ -146,17 +149,31 @@ version, call `pw-lib-refresh' first."
children)))
children))
(defun pw-lib--node-ports (node &optional regexp)
(when node
(let ((ports (pw-lib-children (pw-lib-object-id node) "Port")))
(if regexp
(cl-delete-if-not #'(lambda (o)
(if-let ((name (pw-lib-object-value o "port.name")))
(string-match regexp name)))
ports)
ports))))
(defun pw-lib-default-audio-sink ()
"Return a PipeWire object that is the current default audio sink."
(pw-lib-get-object (cdr (assoc "default.audio.sink" (pw-lib-default-nodes)))))
(pw-lib--default-node "default.audio.sink"))
(defun pw-lib-default-audio-source ()
"Return a PipeWire object that is the current default audio source."
(pw-lib--default-node "default.audio.source"))
(defun pw-lib-default-playback-ports ()
"Return list of PipeWire objects that are default playback ports."
(if-let ((sink (pw-lib-default-audio-sink)))
(cl-remove-if-not #'(lambda (o)
(if-let ((name (pw-lib-object-value o "port.name")))
(string-match "^playback" name)))
(pw-lib-children (pw-lib-object-id sink) "Port"))))
(pw-lib--node-ports (pw-lib-default-audio-sink) "^playback"))
(defun pw-lib-default-capture-ports ()
"Return list of PipeWire objects that are default capture ports."
(pw-lib--node-ports (pw-lib-default-audio-source) "^capture"))
(defun pw-lib--volume-% (volume)
(when volume