got pipewire 'out' node
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efim
@@ -6,17 +6,19 @@
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;; https://flatpak.github.io/xdg-desktop-portal/docs/doc-org.freedesktop.portal.ScreenCast.html
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(defconstant +screen-cast-interface+ "org.freedesktop.portal.ScreenCast")
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(defconstant +request-interface+ "org.freedesktop.portal.ScreenCast")
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(defconstant +request-interface+ "org.freedesktop.portal.Request")
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;; some iolib tutorial https://pages.cs.wisc.edu/~psilord/blog/data/iolib-tutorial/tutorial.html
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;; i hoped it would help me understand the 'publish-events'
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;; i'm not sure how to do interactive calls,
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;; since maybe i need to "publish objects"
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;; and that means the callbacks are set in stone?
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;; i guess i could try to do a Notification call in the callback on screenshot request?
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(with-open-bus (bus (session-server-addresses))
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(with-introspected-object (notification bus "/org/freedesktop/Notifications" "org.freedesktop.Notifications")
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(dbus:with-open-bus (bus (dbus:session-server-addresses))
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(dbus:with-introspected-object (notification bus "/org/freedesktop/Notifications" "org.freedesktop.Notifications")
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(notification "org.freedesktop.Notifications" "Notify"
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"Test" 0 "" "Test" "This is a test; I repeat, this is a test." '() '() -1)
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))
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"Test" 0 "" "Test" "This is a test; I repeat, this is a test." '() '() -1)))
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(defun send-notification (bus message)
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(dbus:with-introspected-object (notification bus "/org/freedesktop/Notifications" "org.freedesktop.Notifications")
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@@ -46,7 +48,7 @@
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(format T "Will try to listen on ~A~%" resp-path)
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(format T "Bus connection name ~A~%" (dbus:bus-name bus))
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(dbus:add-match bus :type :signal
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:interface "org.freedesktop.portal.Request")
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:interface +request-interface+)
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(dbus:with-introspected-object (desktop bus "/org/freedesktop/portal/desktop" "org.freedesktop.portal.Desktop")
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(desktop +screen-cast-interface+ "CreateSession"
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'(("handle_token" ((:string) "yayay"))
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@@ -117,3 +119,213 @@
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;; but. this supposes result-var being a resulting value
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;; and i'd want to what? pass in a callback to register?
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;; alright, let's have function startup new bus connection for each call
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;; but then try to do these multiple calls
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(defun call-screencast-method (method-name params)
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(handler-case
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(dbus:with-open-bus (bus (dbus:session-server-addresses))
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(let*
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((requester-name (cl-ppcre:regex-replace "\\." (dbus:bus-name bus) "_" :start 1))
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(request-name "yayay")
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(resp-path (concatenate 'string "/org/freedesktop/portal/desktop/request/"
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requester-name
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"/"
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request-name)))
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(dbus:define-dbus-object request-object
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(:path resp-path))
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(dbus:define-dbus-signal-handler (request-object response) ((id :uint32) (results (:ARRAY (:DICT-ENTRY :STRING :VARIANT))))
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(:interface +request-interface+)
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(format t "Got response ~S with results ~S~%" id results)
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(format t "before sending notification")
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(send-notification bus "yayaya from the first response")
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(format t "ending signal handler")
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(force-output))
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(format T "Will try to listen on ~A~%" resp-path)
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(format T "Bus connection name ~A~%" (dbus:bus-name bus))
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(dbus:add-match bus :type :signal
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:interface +request-interface+)
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(dbus:with-introspected-object (desktop bus "/org/freedesktop/portal/desktop" "org.freedesktop.portal.Desktop")
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(desktop +screen-cast-interface+ method-name ; "CreateSession"
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params
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;; '(("handle_token" ((:string) "yayay"))
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;; ("session_handle_token" ((:string) "hohoyyy")))
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))
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(dbus:publish-objects bus '(request-object) )))
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(end-of-file ()
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:disconnected-by-bus)))
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'(call-screencast-method "CreateSession"
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'(("handle_token" ((:string) "yayay"))
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("session_handle_token" ((:string) "hohoyyy"))))
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;; well, that seems to keep runnning in the background?
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;; but i still would have to register objects for all responses before call to publish
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;; so, let's read the publish method and figure out a way to clear this thing
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;; let's search online for examples? i really didn't make myself a favor by picking CL
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;; huh? it prints first line, and then doesn't print the rest?
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;; ok, maybe i can add more objects? and whole program should be what?
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;; starting before the publish-objects but potentially running stuff in the callbacks?
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;; to call add-match and call, and define-dbus-signal-handler ?
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;; sounds strange
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;; i think i need help, it seems that all objects should be registered before calling publish
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;; let's first try "additionally registering more stuff after publish"
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;; for that 'publish' should be done outside
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;; this tries to define new handler inside of callback
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;; maybe-maybe this is the problem?
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(defun call-two-methods ()
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(handler-case
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(dbus:with-open-bus (bus (dbus:session-server-addresses))
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(let*
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((requester-name (cl-ppcre:regex-replace "\\." (dbus:bus-name bus) "_" :start 1))
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(request-create-session-name "createSessionReq")
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(resp-path (concatenate 'string "/org/freedesktop/portal/desktop/request/"
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requester-name
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"/"
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request-create-session-name))
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(request-select-sources "selectSourcesReq")
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(select-sources-resp-path (concatenate 'string "/org/freedesktop/portal/desktop/request/"
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requester-name
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"/"
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request-select-sources))
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(session-handle-hardcoded "yayay")
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(session-handle-path (concatenate 'string "/org/freedesktop/portal/desktop/session/"
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requester-name
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"/"
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session-handle-hardcoded)))
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(dbus:define-dbus-object request-object
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(:path resp-path))
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(dbus:define-dbus-signal-handler (request-object response) ((id :uint32) (results (:ARRAY (:DICT-ENTRY :STRING :VARIANT))))
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(:interface +request-interface+)
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(format t "Got response ~S with results ~S~%" id results)
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(send-notification bus "yayaya from the first response")
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(format t "About sto send SelectSources with path ~S~%" session-handle-path)
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(force-output)
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(dbus:define-dbus-object select-sources-request-obj
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(:path select-sources-resp-path))
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(dbus:define-dbus-signal-handler (select-sources-request-obj response) ((id :uint32) (results (:ARRAY (:DICT-ENTRY :STRING :VARIANT))))
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(:interface +request-interface+)
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(format t ">> Got inside of SelectSources callback"))
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(dbus:with-introspected-object (desktop bus "/org/freedesktop/portal/desktop" "org.freedesktop.portal.Desktop")
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(desktop +screen-cast-interface+ "SelectSources"
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session-handle-path ; hardcoded session-handle
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`(("handle_token" ((:string) ,request-select-sources)))))
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(format t "Still first callback, after calling SelectSources")
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(force-output))
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(format T "Will try to listen on ~A~%" resp-path)
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(format T "Bus connection name ~A~%" (dbus:bus-name bus))
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(dbus:add-match bus :type :signal
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:interface +request-interface+)
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(dbus:with-introspected-object (desktop bus "/org/freedesktop/portal/desktop" "org.freedesktop.portal.Desktop")
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(desktop +screen-cast-interface+ "CreateSession"
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`(("handle_token" ((:string) ,request-create-session-name))
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("session_handle_token" ((:string) ,session-handle-hardcoded)))))
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(dbus:publish-objects bus)))
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(end-of-file ()
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:disconnected-by-bus)))
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;; let's define ALL beforehand?
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(defun call-with-all-predefined ()
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(handler-case
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(dbus:with-open-bus (bus (dbus:session-server-addresses))
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(let*
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((requester-name (cl-ppcre:regex-replace "\\." (dbus:bus-name bus) "_" :start 1))
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(request-create-session-name "createSessionReq")
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(resp-path (concatenate 'string "/org/freedesktop/portal/desktop/request/"
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requester-name
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"/"
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request-create-session-name))
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(request-select-sources "selectSourcesReq")
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(select-sources-resp-path (concatenate 'string "/org/freedesktop/portal/desktop/request/"
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requester-name
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"/"
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request-select-sources))
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(request-start "startReq")
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(start-resp-path (concatenate 'string "/org/freedesktop/portal/desktop/request/"
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requester-name
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"/"
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request-start))
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(session-handle-hardcoded "yayay")
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(session-handle-path (concatenate 'string "/org/freedesktop/portal/desktop/session/"
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requester-name
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"/"
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session-handle-hardcoded)))
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(dbus:define-dbus-object request-object
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(:path resp-path))
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(dbus:define-dbus-signal-handler (request-object response) ((id :uint32) (results (:ARRAY (:DICT-ENTRY :STRING :VARIANT))))
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(:interface +request-interface+)
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(format t "Got response ~S with results ~S~%" id results)
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(send-notification bus "yayaya from the first response")
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(format t "About sto send SelectSources with path ~S~%" session-handle-path)
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(force-output)
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(dbus:with-introspected-object (desktop bus "/org/freedesktop/portal/desktop" "org.freedesktop.portal.Desktop")
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(desktop +screen-cast-interface+ "SelectSources"
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session-handle-path ; hardcoded session-handle
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`(("handle_token" ((:string) ,request-select-sources)))))
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(format t "Still first callback, after calling SelectSources~%")
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(force-output))
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(dbus:define-dbus-object select-sources-request-obj
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(:path select-sources-resp-path))
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(dbus:define-dbus-signal-handler (select-sources-request-obj response) ((id :uint32) (results (:ARRAY (:DICT-ENTRY :STRING :VARIANT))))
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(:interface +request-interface+)
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(format t ">> Got inside of SelectSources callback ~A ~A~%" id results)
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(dbus:with-introspected-object (desktop bus "/org/freedesktop/portal/desktop" "org.freedesktop.portal.Desktop")
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(desktop +screen-cast-interface+ "Start"
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session-handle-path
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"parent-window"
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`(("handle_token" ((:string) , request-start)))))
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(format t ">> Still inside SelectSources callback, after calling Start~%")
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(force-output))
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(dbus:define-dbus-object start-request-obj
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(:path start-resp-path))
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(dbus:define-dbus-signal-handler (start-request-obj response) ((id :uint32) (results (:ARRAY (:DICT-ENTRY :STRING :VARIANT))))
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(:interface +request-interface+)
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(format t ">> Got inside of Start callback ~A ~A~%" id results))
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(format T "Will try to listen on ~A~%" resp-path)
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(format T "Bus connection name ~A~%" (dbus:bus-name bus))
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(dbus:add-match bus :type :signal
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:interface +request-interface+)
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(dbus:with-introspected-object (desktop bus "/org/freedesktop/portal/desktop" "org.freedesktop.portal.Desktop")
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(desktop +screen-cast-interface+ "CreateSession"
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`(("handle_token" ((:string) ,request-create-session-name))
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("session_handle_token" ((:string) ,session-handle-hardcoded)))))
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(dbus:publish-objects bus)))
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(end-of-file ()
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:disconnected-by-bus)))
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;; ok
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;; >> Got inside of Start callback 0 ((streams
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;; ((43
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;; ((position (0 0)) (size (1920 1080)))))))
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;; interesting. now what do do with the streams?
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;; An array of PipeWire streams. Each stream consists of a PipeWire node ID (the first element in the tuple, and a Vardict of properties.
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;; ok, now i need to figure out how
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;; yeah, nix shell nixpkgs#qpwgraph
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;; with this tool i see new 'out' node, maybe i can even already connect to it with
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;; some program?
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;; yes. enefedov@LLF33A87M:~/Documents/personal/learning-screen-share$ gst-launch-1.0 pipewiresrc path=43 ! videoconvert ! autovideosink
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;; cool.
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;; now i want to have a window with this video stream created by my program
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;; this is new level of "i have no idea where to go"
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;; https://github.com/death/dbus/issues/31
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;; asked my question about multiple async dbus requests
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