-
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathtoolkit.lisp
170 lines (147 loc) · 6.08 KB
/
toolkit.lisp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
(in-package #:displayer)
(defun run-args (args)
(flet ((frob (arg)
(etypecase arg
(string arg)
(real (princ-to-string arg))
(pathname (uiop:native-namestring arg)))))
(loop for arg in args
append (if (listp arg) (mapcar #'frob arg) (list (frob arg))))))
(defun run (program &rest args)
(let ((out (make-string-output-stream)))
(if (= 0 (nth-value 2 (uiop:run-program (list* program (run-args args))
:output out :error-output out
:ignore-error-status T)))
(get-output-stream-string out)
(error "~a" (get-output-stream-string out)))))
(defun make-thumbnail (input output &key (w 1920/4) (h 1080/4))
(ensure-directories-exist output)
(run "ffmpeg" "-hide_banner" "-loglevel" "error"
"-y" "-i" input
"-ss" "00:00:01.000"
"-vf" (format NIL "scale=~a:~a:force_original_aspect_ratio=decrease" w h)
"-vframes" "1"
output))
(defun download-video (url output)
(ensure-directories-exist output)
(let ((tmp (org.shirakumo.filesystem-utils:make-temporary-file :type (pathname-type output))))
(run "yt-dlp" url
"-S" "ext"
"-f" "bv[height<=1080]+ba/b[height<=1080]"
"--use-postprocessor" "FFmpegCopyStream"
"--ppa" "CopyStream:-c:v libx264 -preset veryfast -c:a aac -f mp4"
"-o" tmp)
(org.shirakumo.filesystem-utils:rename-file* tmp output)))
(defun download-thumbnail (url output)
(ensure-directories-exist output)
(run "yt-dlp" url
"--skip-download"
"--write-thumbnail"
"--convert-thumbnails" "png"
"-o" (make-pathname :type NIL :defaults output)))
(defun probe-length (input)
(read-from-string
(run "ffprobe" "-hide_banner" "-loglevel" "error"
"-select_streams" "v:0"
"-show_entries"
"stream=duration"
"-of" "default=noprint_wrappers=1:nokey=1"
input)))
(defun vpath (kind name type &rest args)
(radiance:environment-module-pathname #.*package* kind (apply #'make-pathname :name name :type type args)))
(defun list-videos ()
(directory (vpath :data :wild "mp4")))
(defun list-enabled-videos ()
(directory (vpath :data :wild "mp4" :directory '(:relative "enabled"))))
(defun video-file (name)
(if (pathnamep name)
name
(vpath :data (string-downcase name) "mp4")))
(defun video-enabled-file (name)
(if (pathnamep name)
(video-enabled-file (pathname-name name))
(vpath :data (string-downcase name) "mp4" :directory '(:relative "enabled"))))
(defun video-enabled-p (input)
(probe-file (video-enabled-file input)))
(defun enable-video (input)
(let ((file (video-enabled-file input)))
(unless (probe-file file)
(org.shirakumo.filesystem-utils:create-symbolic-link
(pathname-utils:native-namestring file)
(pathname-utils:native-namestring (video-file input))))))
(defun disable-video (input)
(let ((file (video-enabled-file input)))
(when (probe-file file)
(delete-file file))))
(defun video-thumbnail (input &rest args &key (create T))
(if (pathnamep input)
(apply #'video-thumbnail (pathname-name input) args)
(let ((path (vpath :cache (string-downcase input) "png")))
(when (and create (not (probe-file path)))
(make-thumbnail (video-file input) path))
path)))
(defun video-length (input &key (create T))
(if (pathnamep input)
(video-length (pathname-name input))
(let ((path (vpath :cache (string-downcase input) "txt")))
(when (and create (null (probe-file path)))
(with-open-file (stream path :direction :output)
(prin1 (probe-length (video-file input)) stream)))
(with-open-file (stream path :if-does-not-exist NIL)
(if stream
(read stream)
0)))))
(defun video-name (input)
(pathname-name input))
(defun video-data (input)
(let* ((file (probe-file (video-file input)))
(name (video-name file)))
(if file
(mktab :name name
:enabled (video-enabled-p file)
:file (uri-to-url "/api/displayer/video/file"
:representation :external
:query `(("name" . ,name)))
:thumbnail (uri-to-url "/api/displayer/video/thumbnail"
:representation :external
:query `(("name" . ,name)))
:length (video-length file :create NIL)
:size (file-size file))
(error "No such video ~a" input))))
(defun delete-video (input)
(let ((name (string-downcase (if (pathnamep input) (pathname-name input) input))))
(uiop:delete-file-if-exists (vpath :cache (string-downcase name) "txt"))
(uiop:delete-file-if-exists (vpath :cache (string-downcase name) "png"))
(uiop:delete-file-if-exists (vpath :data (string-downcase name) "mp4"))
(uiop:delete-file-if-exists (vpath :data (string-downcase name) "mp4" :directory '(:relative "enabled")))
name))
(defun copy-video (input &optional (name (pathname-name input)))
(let* ((output (video-file name))
(thumbnail (video-thumbnail output :create NIL)))
(etypecase input
(string
(download-video input output)
(download-thumbnail input thumbnail))
(pathname
(unless (equal input output)
(uiop:copy-file input output)
(uiop:delete-file-if-exists input))
(make-thumbnail input thumbnail)))
(video-length output)
output))
(define-trigger startup ()
(ensure-directories-exist
(radiance:environment-module-directory #.*package* :data))
(ensure-directories-exist
(radiance:environment-module-pathname #.*package* :data "enabled/"))
(ensure-directories-exist
(radiance:environment-module-directory #.*package* :cache)))
(defun mktab (&rest keys)
(let ((table (make-hash-table :test 'eql)))
(loop for (k v) on keys by #'cddr
do (setf (gethash k table) v))
table))
(defun format-duration (secs)
(format NIL "~2,'0d:~2,'0d"
(truncate secs 60)
(mod (round secs) 60)))