[options] Accept lrc as a subtitle conversion target format (closes #14292)

ChangeLog

@@ -1,6 +1,7 @@
 version <unreleased>
 
 Core
++ [options] Accept lrc as a subtitle conversion target format (#14292)
 * [utils] Fix handling raw TTML subtitles (#14191)
 
 

youtube_dl/__init__.py

@@ -206,7 +206,7 @@ def _real_main(argv=None):
         if opts.recodevideo not in ['mp4', 'flv', 'webm', 'ogg', 'mkv', 'avi']:
             parser.error('invalid video recode format specified')
     if opts.convertsubtitles is not None:
-        if opts.convertsubtitles not in ['srt', 'vtt', 'ass']:
+        if opts.convertsubtitles not in ['srt', 'vtt', 'ass', 'lrc']:
             parser.error('invalid subtitle format specified')
 
     if opts.date is not None:

youtube_dl/options.py

@@ -847,7 +847,7 @@ def parseOpts(overrideArguments=None):
     postproc.add_option(
         '--convert-subs', '--convert-subtitles',
         metavar='FORMAT', dest='convertsubtitles', default=None,
-        help='Convert the subtitles to other format (currently supported: srt|ass|vtt)')
+        help='Convert the subtitles to other format (currently supported: srt|ass|vtt|lrc)')
 
     parser.add_option_group(general)
     parser.add_option_group(network)