disable webm functionality

psthumbgen.py

@@ -76,7 +76,7 @@ def _ffmpeg_enabled():
 def find_files(dir):
     # Only process formats that Synology doesn't handle well
     # Exclude common images (jpg, png, gif, etc.) since NAS handles them fine
-    valid_exts = ('mp4', 'webm', 'avi', 'mkv', 'mov', 'wmv', 'flv', 'm4v', 'ts',
+    valid_exts = ('mp4', 'avi', 'mkv', 'mov', 'wmv', 'flv', 'm4v', 'ts',
                   'psd', 'blend')
     valid_exts_re = "|".join(
         map((lambda ext: ".*\\.{0}$".format(ext)), valid_exts))
@@ -110,7 +110,7 @@ def process_file(file_path):
     # Determine file type and process accordingly
     file_ext = os.path.splitext(filename)[1].lower()
     
-    if file_ext in ['.mp4', '.webm', '.avi', '.mkv', '.mov', '.wmv', '.flv', '.m4v', '.ts']:
+    if file_ext in ['.mp4', '.avi', '.mkv', '.mov', '.wmv', '.flv', '.m4v', '.ts']:
         create_video_thumbnails(file_path, thumb_dir)
     elif file_ext in ['.psd']:
         create_psd_thumbnails(file_path, thumb_dir)