[O] Need help on write new link type for link URI.

[stardiviner]

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I have following code, check out the FIXME: comment tag.
How to get the correct link here?
,----
| ;;; `video:filename.mp4::start_timestamp'
| (defcustom org-video-link-open-command "mplayer"
|   "Specify the program for openning video: link."
|   :type 'string)
| 
| (defun org-video-link-open (uri)
|   "Open video file `URI' with video player."
|   (let* ((list (split-string uri "::"))
|          (path (car list))
|          (start-timstamp (cadr list)))
|     (shell-command
|      (format
|       "%s -ss %s %s"
|       ;; FIXME: path has issue.
|       org-video-link-open-command start-timstamp (org-link-unescape path)))))
| 
| (org-link-set-parameters "video"
|                          :follow #'org-video-link-open
|                          :complete #'org-file-complete-link)
`----

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