From 35b7e9f78a1b3d163efd906b0f464ee991ce72ec Mon Sep 17 00:00:00 2001
From: Julian Rother <julianr@fsmpi.rwth-aachen.de>
Date: Thu, 30 Nov 2017 19:26:16 +0100
Subject: [PATCH] Implementet metadata remuxing
---
encoding.py | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/encoding.py b/encoding.py
index 6a233f6..562c1c2 100644
--- a/encoding.py
+++ b/encoding.py
@@ -29,3 +29,43 @@ def update_video_metadata(jobid, jobtype, data, state, status):
modify('UPDATE videos_data SET hash = ?, file_size = ? WHERE id = ?',
status['hash'], status['filesize'], data['video_id'])
+def schedule_remux(lectureid):
+ lecture = query('SELECT * FROM lectures WHERE id = ?', lectureid)[0]
+ course = query('SELECT * FROM courses WHERE id = ?', lecture['course_id'])[0]
+ chapters = query('SELECT text, time FROM chapters WHERE lecture_id = ?', lectureid)
+ videos = query('SELECT videos.*, sources.path AS srcpath, sources.hash AS srchash FROM videos JOIN sources ON videos.source = sources.id WHERE videos.lecture_id = ?', lectureid)
+ metadata = {'title': lecture['title'], 'album': course['title'],
+ 'description': lecture['comment'],
+ 'date': lecture['time'].strftime('%m/%d/%Y'),
+ 'artist': lecture['speaker'] if lecture['speaker'] else course['organizer']}
+ for video in videos:
+ if not video['source']:
+ continue
+ data = {'video_id': video['id'], 'path': video['path'],
+ 'srcpath': video['srcpath'], 'srchash': video['srchash'],
+ 'chapters': chapters, 'metadata': metadata}
+ schedule_job('remux', data)
+
+@edit_handler('chapters')
+def chapter_changed(table, column, value, id):
+ print('chapter_changed')
+ chapters = query('SELECT * FROM chapters WHERE id = ?', id)
+ if not chapters:
+ return
+ chapter = chapters[0]
+ if column in ['visible', 'deleted'] or (chapter['visible'] and not chapter['deleted']):
+ schedule_remux(chapter['lecture_id'])
+
+@edit_handler('courses')
+def course_changed(table, column, value, id):
+ if column not in ['title', 'organizer']:
+ return
+ lectures = query('SELECT * FROM lectures WHERE course_id = ?', id)
+ for lecture in lectures:
+ schedule_remux(lecture['id'])
+
+@edit_handler('lectures')
+def lecture_changed(table, column, value, id):
+ if column in ['title', 'comment', 'time', 'speaker']:
+ schedule_remux(id)
+
--
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