From 49361f4252c3b46588d9a17ef8c131550577b89e Mon Sep 17 00:00:00 2001
From: Sacha Chua <sacha@sachachua.com>
Date: Mon, 7 Nov 2022 12:41:13 -0500
Subject: Use paragraph or chapter information

---
 emacsconf-publish.el | 125 +++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 92 insertions(+), 33 deletions(-)

(limited to 'emacsconf-publish.el')

diff --git a/emacsconf-publish.el b/emacsconf-publish.el
index 699b5d2..ac910c5 100644
--- a/emacsconf-publish.el
+++ b/emacsconf-publish.el
@@ -48,7 +48,7 @@
     (emacsconf-upcoming-insert-or-update))
   (let ((info (emacsconf-get-talk-info)))
     (emacsconf-generate-before-page talk info)
-    (emacsconf-generate-after-page talk info)
+    (emacsconf-publish-after-page talk info)
     (emacsconf-generate-main-schedule info)))
 
 (defun emacsconf-publish-add-talk ()
@@ -133,7 +133,7 @@
                    (emacsconf-get-preferred-video (plist-get talk :video-slug)
                                                   (plist-get talk :files)))))
          (video (and video-slug
-                     (emacsconf-index-card-video (or (plist-get talk :video-id) "mainVideo")
+                     (emacsconf-index-card-video (or (plist-get talk :video-id) (concat "mainVideo-" (plist-get talk :slug)))
                                                  video-file talk extensions))))
     ;; Add extra information to the talk
     (setq talk
@@ -210,8 +210,9 @@
                             (emacsconf-make-chapter-strings
                              (expand-file-name
                               (concat video-base "--chapters.vtt")
-                              emacsconf-backstage-dir)
-                             (plist-get talk :track-base-url))))
+                              emacsconf-cache-dir)
+                             (plist-get talk :track-base-url)
+                             video-id)))
          (info
           (append
            (list
@@ -274,7 +275,7 @@
 size=\"${video-file-size}\" duration=\"${video-duration}\" other_resources=\"\"\"${other-files}${toobnix-info}\"\"\"]]
 ${chapter-list}
 "
-            "<video controls preload=\"metadata\" poster=\"${poster}\" id=\"${video-id}\"><source src=\"${source-src}\" />${captions}${chapter-track}</video>")
+            "<video controls preload=\"metadata\" poster=\"${poster}\" id=\"${video-id}\"><source src=\"${source-src}\" />${captions}${chapter-track}</video>${chapter-list}")
         "The video for \"${title}\" will be posted here when available. You can also subscribe to the <a href=\"https://lists.gnu.org/mailman/listinfo/emacsconf-discuss\">emacsconf-discuss mailing list</a> for updates."))
      :resources
      (emacsconf-replace-plist-in-string
@@ -370,11 +371,11 @@ resources."
                (emacsconf-index-card (append
                                       (list
                                        :public 1
-                                       :video-id "qanda"
+                                       :video-id (concat "qanda-" (plist-get o :slug))
                                        :toobnix-url nil
                                        :video-file (expand-file-name
                                                     (concat (file-name-sans-extension (plist-get o :video-slug)) "--answers.webm")
-                                                    emacsconf-cache-directory))
+                                                    emacsconf-cache-dir))
                                       o)
                                      (list "--answers.vtt" "--answers--chapters.vtt" "--answers--compressed32.webm")))
      "")))
@@ -448,13 +449,28 @@ ${pad-info}${status-info}${schedule-info}\n"
                                           (plist-get talk :public-email)
                                           "emacsconf-org-private@gnu.org"))))
 
-(defun emacsconf-generate-before-page (talk &optional info)
+(defun emacsconf-publish-captions-in-wiki (talk)
+  "Copy the captions file."
+  (interactive (list (emacsconf-complete-talk-info)))
+  (unless (file-directory-p (expand-file-name "captions" (expand-file-name emacsconf-year emacsconf-directory)))
+    (make-directory (expand-file-name "captions" (expand-file-name emacsconf-year emacsconf-directory))))
+  (let ((filename (expand-file-name (concat (plist-get talk :video-slug) "--main.vtt")
+                                    (expand-file-name "captions" (expand-file-name emacsconf-year emacsconf-directory))))
+        (cached-file (expand-file-name (concat (plist-get talk :video-slug) "--main.vtt") emacsconf-cache-dir)))
+    (when (and (file-exists-p cached-file)
+               (or
+                (not (file-exists-p filename))
+                (file-newer-than-file-p cached-file filename)))
+      (copy-file cached-file filename t))))
+
+(defun emacsconf-publish-before-page (talk &optional info)
   "Info included before the abstract."
-  (interactive (list (emacsconf-get-talk-info-for-subtree)))
+  (interactive (list (emacsconf-complete-talk-info)))
   (setq info (or info (emacsconf-get-talk-info)))
+  (when (plist-get talk :public) (emacsconf-publish-captions-in-wiki talk))
   (with-temp-file (expand-file-name (format "%s-before.md" (plist-get talk :slug))
                                     (expand-file-name "info" (expand-file-name emacsconf-year emacsconf-directory)))
-    (insert "<!-- Automatically generated by emacsconf-generate-before-page -->\n")
+    (insert "<!-- Automatically generated by emacsconf-publish-before-page -->\n")
     (when (eq emacsconf-publishing-phase 'schedule)
       (insert "\n"
               (format "<div class=\"schedule-in-context schedule-svg-container\" data-slug=\"%s\">\n" (plist-get talk :slug))           
@@ -489,20 +505,60 @@ ${pad-info}${status-info}${schedule-info}\n"
               (emacsconf-format-talk-schedule-info talk) "\n"))
     ;; Contact information
     ;; (insert "\n\n" (emacsconf-format-email-questions-and-comments talk) "\n")
-    (insert "<!-- End of emacsconf-generate-before-page -->")))
+    (insert "<!-- End of emacsconf-publish-before-page -->")))
+
+(defun emacsconf-format-transcript (talk)
+  "Format the transcript for TALK, adding paragraph markers when possible."
+  (require 'subed)
+  (let* ((paragraphs (expand-file-name
+                      (concat (plist-get talk :video-slug) "--main--paragraphs.vtt")
+                      emacsconf-cache-dir))
+         (chapters (expand-file-name
+                    (concat (plist-get talk :video-slug) "--main--chapters.vtt")
+                    emacsconf-cache-dir))
+         (subtitles
+          (subed-parse-file (expand-file-name
+                             (concat (plist-get talk :video-slug) "--main.vtt")
+                             emacsconf-cache-dir)))
+         (pars (or
+                (subed-parse-file paragraphs)
+                (subed-parse-file chapters))))
+    (if subtitles
+        (concat "<a name=\"transcript\"></a>
+# Transcript
 
-(defun emacsconf-generate-after-page (talk &optional info)
+"
+                (mapconcat (lambda (sub)
+                             (let ((msecs (elt sub 1)))
+                               (format "[[!template %stext=\"%s\" start=\"%s\" video=\"mainVideo-%s\" id=\"subtitle\"]]"
+                                       (if (and pars (>= msecs (elt (car pars) 1)))
+                                           (progn 
+                                             (while (and pars (>= (elt sub 1) (elt (car pars) 1)))
+                                               (setq pars (cdr pars)))
+                                             "new=\"1\" ")
+                                         "")
+                                       (replace-regexp-in-string "\"" "&quot;" (elt sub 3))
+                                       (concat (format-seconds "%02h:%02m:%02s" (/ (floor msecs) 1000))
+                                               "." (format "%03d" (mod (floor msecs) 1000)))
+                                       (plist-get talk :slug))))
+                           subtitles "\n")
+                "
+
+")
+      "")))
+
+(defun emacsconf-publish-after-page (talk &optional info)
   "Info included before the abstract."
-  (interactive (list (emacsconf-get-talk-info-for-subtree)))
-  (setq info (or info (emacsconf-get-talk-info)))
+  (interactive (list (emacsconf-complete-talk-info)))
   ;; Contact information
   (with-temp-file (expand-file-name (format "%s-after.md" (plist-get talk :slug))
                                     (expand-file-name "info" (expand-file-name emacsconf-year emacsconf-directory)))
     (insert
-     "<!-- Automatically generated by emacsconf-generate-after-page -->\n"
+     "<!-- Automatically generated by emacsconf-publish-after-page -->\n"
      "\n\n"
+     (if (plist-get talk :public) (emacsconf-format-transcript talk) "")
      (emacsconf-format-email-questions-and-comments talk) "\n"
-     "\n\n<!-- End of emacsconf-generate-after-page -->\n")))
+     "\n\n<!-- End of emacsconf-publish-after-page -->\n")))
 
 (defun emacsconf-sort-by-track-then-schedule (a b)
   ;; Gen,Dev; then by time
@@ -514,6 +570,7 @@ ${pad-info}${status-info}${schedule-info}\n"
    ((time-less-p (plist-get a :start-time)
                  (plist-get b :start-time)) t)
    (t nil)))
+
 (defun emacsconf-generate-nav-pages (&optional talks)
   (interactive (list
                 (emacsconf-active-talks
@@ -557,8 +614,8 @@ Back to the [[talks]]  \n"
                               (sort (emacsconf-filter-talks info) #'emacsconf-sort-by-scheduled))))
       (emacsconf-generate-nav-pages talks)
       (mapc (lambda (o)
-              (emacsconf-generate-before-page o talks)
-              (emacsconf-generate-after-page o talks))
+              (emacsconf-publish-before-page o talks)
+              (emacsconf-publish-after-page o talks))
             talks))))
 
 (defun emacsconf-publish-before-pages (&optional info)
@@ -569,7 +626,7 @@ Back to the [[talks]]  \n"
                          (sort (emacsconf-filter-talks info) #'emacsconf-sort-by-scheduled)))
   (emacsconf-publish-with-wiki-change
     (mapc (lambda (o)
-            (emacsconf-generate-before-page o info))
+            (emacsconf-publish-before-page o info))
           info)))
 
 (defun emacsconf-generate-talks-page (emacsconf-info)
@@ -859,7 +916,7 @@ Entries are sorted chronologically, with different tracks interleaved."
 		                (assoc-default "TO_PROCESS" by-status)
                     (assoc-default "PROCESSING" by-status)
                     (assoc-default "TO_AUTOCAP" by-status))))
-         (format "<h1>%s talk(s) to be captioned (%d minutes)</h1><p>You can e-mail <a href=\"mailto:sacha@sachachua.com\">sacha@sachachua.com</a> to call dibs on editing the captions for one of these talks. This year, we're experimenting with using OpenAI Whisper to provide auto-generated VTT that you can use as a starting point. If you're writing them from scratch, you can choose to include timing information, or we can probably figure them out afterwards with a forced alignment tool. Also, if you feel like making chapter markers, that's cool too. More info: <a href=\"https://emacsconf.org/captioning/\">captioning tips</a></p><ul class=\"videos\">%s</ul>"
+         (format "<h1>%s talk(s) to be captioned (%d minutes)</h1><p>You can e-mail <a href=\"mailto:sacha@sachachua.com\">sacha@sachachua.com</a> to call dibs on editing the captions for one of these talks. This year, we're experimenting with using OpenAI Whisper to provide auto-generated VTT that you can use as a starting point. If you're writing them from scratch, you can choose to include timing information, or we can probably figure them out afterwards with a forced alignment tool. Also, if you feel like making chapter markers, that's cool too. More info: <a href=\"https://media.emacsconf.org/2022/backstage/editing-captions.html\">Editing captions</a>, <a href=\"https://emacsconf.org/captioning/\">captioning tips</a></p><ul class=\"videos\">%s</ul>"
                  (length list)
                  (emacsconf-sum :video-time list)
                  (mapconcat
@@ -960,7 +1017,7 @@ Entries are sorted chronologically, with different tracks interleaved."
                                          (append
                                           (list
                                            :public 1
-                                           :video-id "qanda"
+                                           :video-id (concat "qanda-" (plist-get o :slug))
                                            :toobnix-url nil
                                            :video-file
                                            (expand-file-name
@@ -1014,7 +1071,7 @@ Entries are sorted chronologically, with different tracks interleaved."
                         (list
                          :public 1
                          :base-url (concat emacsconf-media-base-url (plist-get f :conf-year) "/")
-                         :video-id "qanda"
+                         :video-id (concat "qanda-" (plist-get f :slug))
                          :track-base-url
                          (format "/%s/captions/" (plist-get f :conf-year))
                          :video-file (expand-file-name
@@ -1026,22 +1083,24 @@ Entries are sorted chronologically, with different tracks interleaved."
         info "\n"))
       "</ol>")))
 
-(defun emacsconf-make-chapter-strings (filename track-base-url)
-  (when (file-exists-p filename)
-    (let ((chapters (with-temp-buffer
-                      (insert-file-contents filename)
-                      (subed--init "vtt")
-                      (subed-subtitle-list))))
+(defun emacsconf-make-chapter-strings (filename track-base-url &optional target)
+  (let ((chapters (subed-parse-file filename)))
+    (when chapters
       (list
        :track (format "<track kind=\"chapters\" label=\"Chapters\" src=\"%s\"\" />"
                       (concat (or track-base-url "") (file-name-nondirectory filename)))
-       :md (subed-convert--chapters chapters)
-       :html (format "<ol class=\"chapters\">\n%s\n</ol>"
+       :md (mapconcat (lambda (chapter)
+                        (concat
+                         (format-seconds "%.2h:%z%.2m:%.2s" (floor (/ (elt chapter 1) 1000)))
+                         " "
+                         (elt chapter 3)
+                         "\n"))
+                      chapters)
+       :html (format "<pre data-target=\"%s\" class=\"chapters\">\n%s\n</ol>"
+                     (or target "")
                      (mapconcat
                       (lambda (chapter)
-                        (format "<li data-start=\"%.3f\" data-stop=\"%.3f\">%s %s</li>"
-                                (/ (elt chapter 1) 1000.0)
-                                (/ (elt chapter 2) 1000.0)
+                        (format "%s %s"
                                 (format-seconds "%.2h:%z%.2m:%.2s" (floor (/ (elt chapter 1) 1000)))
                                 (elt chapter 3)))
                       chapters
-- 
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