better video duration probe

data/www/scss/components/_explorer.scss

@@ -190,6 +190,7 @@ ul.explr-dirview {
 			max-width: 84px;
 			min-width: 84px;
 			position: relative;
+			word-break: break-all;
 
 			&.with-thumbnail {
 

requirements.txt

@@ -5,4 +5,3 @@ waitress
 flask-login
 pysqlite3
 psutil
-moviepy

src/manager/ContentManager.py

@@ -2,7 +2,6 @@ import os
 
 from typing import Dict, Optional, List, Tuple, Union
 from werkzeug.datastructures import FileStorage
-from moviepy.editor import VideoFileClip
 
 from src.model.entity.Content import Content
 from src.model.entity.Playlist import Playlist
@@ -16,6 +15,7 @@ from src.manager.VariableManager import VariableManager
 from src.service.ModelManager import ModelManager
 from src.util.UtilFile import randomize_filename
 from src.util.UtilNetwork import get_preferred_ip_address
+from src.util.UtilVideo import mp4_duration_with_ffprobe
 
 
 class ContentManager(ModelManager):
@@ -195,8 +195,7 @@ class ContentManager(ModelManager):
                 content.location = object_path
 
                 if type == ContentType.VIDEO:
-                    with VideoFileClip(content.location) as video:
-                        content.duration = int(video.duration)
+                    content.duration = mp4_duration_with_ffprobe(content.location)
 
         else:
             content.location = location

src/util/UtilVideo.py

@@ -0,0 +1,18 @@
+import struct
+
+
+def mp4_duration_with_ffprobe(filename):
+    import subprocess, json
+
+    result = subprocess.check_output(
+            f'ffprobe -v quiet -show_streams -select_streams v:0 -of json "{filename}"',
+            shell=True).decode()
+    fields = json.loads(result)['streams'][0]
+
+    if 'tags' in fields and 'DURATION' in fields['tags']:
+        return int(float(fields['tags']['DURATION']))
+
+    if 'duration' in fields:
+        return int(float(fields['duration']))
+
+    return 0