[cleanup, docs] Minor fixes

Closes #2230

6 files changed, 16 insertions, 14 deletions

diff --git a/README.md b/README.md
index f3209a252..6ba9163bb 100644
--- a/README.md
+++ b/README.md
@@ -1392,10 +1392,10 @@ The available fields are:
 
  - `hasvid`: Gives priority to formats that has a video stream
  - `hasaud`: Gives priority to formats that has a audio stream
- - `ie_pref`: The format preference as given by the extractor
- - `lang`: Language preference as given by the extractor
- - `quality`: The quality of the format as given by the extractor
- - `source`: Preference of the source as given by the extractor
+ - `ie_pref`: The format preference
+ - `lang`: The language preference
+ - `quality`: The quality of the format
+ - `source`: The preference of the source
  - `proto`: Protocol used for download (`https`/`ftps` > `http`/`ftp` > `m3u8_native`/`m3u8` > `http_dash_segments`> `websocket_frag` > `mms`/`rtsp` > `f4f`/`f4m`)
  - `vcodec`: Video Codec (`av01` > `vp9.2` > `vp9` > `h265` > `h264` > `vp8` > `h263` > `theora` > other)
  - `acodec`: Audio Codec (`flac`/`alac` > `wav`/`aiff` > `opus` > `vorbis` > `aac` > `mp4a` > `mp3` > `eac3` > `ac3` > `dts` > other)
@@ -1687,7 +1687,7 @@ with YoutubeDL(ydl_opts) as ydl:
     ydl.download(['https://www.youtube.com/watch?v=BaW_jenozKc'])
 ```
 
-Most likely, you'll want to use various options. For a list of options available, have a look at [`yt_dlp/YoutubeDL.py`](yt_dlp/YoutubeDL.py#L162).
+Most likely, you'll want to use various options. For a list of options available, have a look at [`yt_dlp/YoutubeDL.py`](yt_dlp/YoutubeDL.py#L191).
 
 Here's a more complete example demonstrating various functionality:
 
diff --git a/yt_dlp/YoutubeDL.py b/yt_dlp/YoutubeDL.py
index aa7905fc7..71369bc44 100644
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@@ -1637,7 +1637,7 @@ class YoutubeDL(object):
 
         ie_entries = ie_result['entries']
         if isinstance(ie_entries, list):
-            playlist_count = len(ie_result)
+            playlist_count = len(ie_entries)
             msg = f'Collected {playlist_count} videos; downloading %d of them'
             ie_result['playlist_count'] = ie_result.get('playlist_count') or playlist_count
 
@@ -2392,15 +2392,15 @@ class YoutubeDL(object):
         if not self.params.get('allow_unplayable_formats'):
             formats = [f for f in formats if not f.get('has_drm')]
 
+        # backward compatibility
+        info_dict['fulltitle'] = info_dict['title']
+
         if info_dict.get('is_live'):
             get_from_start = bool(self.params.get('live_from_start'))
             formats = [f for f in formats if bool(f.get('is_from_start')) == get_from_start]
             if not get_from_start:
                 info_dict['title'] += ' ' + datetime.datetime.now().strftime('%Y-%m-%d %H:%M')
 
-        # backward compatibility
-        info_dict['fulltitle'] = info_dict['title']
-
         if not formats:
             self.raise_no_formats(info_dict)
 
diff --git a/yt_dlp/extractor/twitcasting.py b/yt_dlp/extractor/twitcasting.py
index ef1e871cf..c3e058709 100644
--- a/yt_dlp/extractor/twitcasting.py
+++ b/yt_dlp/extractor/twitcasting.py
@@ -99,7 +99,7 @@ class TwitCastingIE(InfoExtractor):
         is_live = 'data-status="online"' in webpage
 
         if not traverse_obj(stream_server_data, 'llfmp4') and is_live:
-            raise ExtractorError('You must be logged in to watch.', expected=True)
+            self.raise_login_required(method='cookies')
 
         formats = []
         if is_live and not m3u8_url:
diff --git a/yt_dlp/options.py b/yt_dlp/options.py
index 4dd7c6dbd..cc0a933be 100644
--- a/yt_dlp/options.py
+++ b/yt_dlp/options.py
@@ -262,7 +262,8 @@ def create_parser():
         action='store_true', dest='ignoreconfig',
         help=(
             'Don\'t load any more configuration files except those given by --config-locations. '
-            'For backward compatibility, if this option is found inside the system configuration file, the user configuration is not loaded'))
+            'For backward compatibility, if this option is found inside the system configuration file, the user configuration is not loaded. '
+            '(Alias: --no-config'))
     general.add_option(
         '--no-config-locations',
         action='store_const', dest='config_locations', const=[],
diff --git a/yt_dlp/postprocessor/ffmpeg.py b/yt_dlp/postprocessor/ffmpeg.py
index 7c99fd018..848fd584a 100644
--- a/yt_dlp/postprocessor/ffmpeg.py
+++ b/yt_dlp/postprocessor/ffmpeg.py
@@ -585,7 +585,7 @@ class FFmpegVideoRemuxerPP(FFmpegVideoConvertorPP):
 
     @staticmethod
     def _options(target_ext):
-        return self.stream_copy_opts()
+        return FFmpegPostProcessor.stream_copy_opts()
 
 
 class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
@@ -678,7 +678,7 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
     @staticmethod
     def _options(target_ext):
         audio_only = target_ext == 'm4a'
-        yield from self.stream_copy_opts(not audio_only)
+        yield from FFmpegPostProcessor.stream_copy_opts(not audio_only)
         if audio_only:
             yield from ('-vn', '-acodec', 'copy')
 
diff --git a/yt_dlp/postprocessor/modify_chapters.py b/yt_dlp/postprocessor/modify_chapters.py
index 91433c364..435a144e2 100644
--- a/yt_dlp/postprocessor/modify_chapters.py
+++ b/yt_dlp/postprocessor/modify_chapters.py
@@ -57,6 +57,7 @@ class ModifyChaptersPP(FFmpegPostProcessor):
                 self.write_debug('Expected and actual durations mismatch')
 
         concat_opts = self._make_concat_opts(cuts, real_duration)
+        self.write_debug('Concat spec = %s' % ', '.join(f'{c.get("inpoint", 0.0)}-{c.get("outpoint", "inf")}' for c in concat_opts))
 
         def remove_chapters(file, is_sub):
             return file, self.remove_chapters(file, cuts, concat_opts, self._force_keyframes and not is_sub)
@@ -332,6 +333,6 @@ class ModifyChaptersPP(FFmpegPostProcessor):
                 continue
             opts[-1]['outpoint'] = f'{s["start_time"]:.6f}'
             # Do not create 0 duration chunk at the end.
-            if s['end_time'] != duration:
+            if s['end_time'] < duration:
                 opts.append({'inpoint': f'{s["end_time"]:.6f}'})
         return opts