#31 Features from animelover1984/youtube-dl

* Add `--get-comments`
* [youtube] Extract comments
* [billibilli] Added BiliBiliSearchIE, BilibiliChannelIE
* [billibilli] Extract comments
* [billibilli] Better video extraction
* Write playlist data to infojson
* [FFmpegMetadata] Embed infojson inside the video
* [EmbedThumbnail] Try embedding in mp4 using ffprobe and `-disposition`
* [EmbedThumbnail] Treat mka like mkv and mov like mp4
* [EmbedThumbnail] Embed in ogg/opus
* [VideoRemuxer] Conditionally remux video
* [VideoRemuxer] Add `-movflags +faststart` when remuxing from mp4
* [ffmpeg] Print entire stderr in verbose when there is error
* [EmbedSubtitle] Warn when embedding ass in mp4
* [avanto] Use NFLTokenGenerator if possible

README.md

@@ -375,6 +375,8 @@ Then simply type this
     --write-annotations              Write video annotations to a
                                      .annotations.xml file
     --no-write-annotations           Do not write video annotations (default)
+    --get-comments                   Retrieve video comments to be placed in the
+                                     .info.json file
     --load-info-json FILE            JSON file containing the video information
                                      (created with the "--write-info-json"
                                      option)
@@ -575,7 +577,10 @@ Then simply type this
     --remux-video FORMAT             Remux the video into another container if
                                      necessary (currently supported: mp4|mkv).
                                      If target container does not support the
-                                     video/audio codec, remuxing will fail
+                                     video/audio codec, remuxing will fail. You
+                                     can specify multiple rules; eg.
+                                     "aac>m4a/mov>mp4/mkv" will remux aac to
+                                     m4a, mov to mp4 and anything else to mkv.
     --recode-video FORMAT            Re-encode the video into another format if
                                      re-encoding is necessary (currently
                                      supported: mp4|flv|ogg|webm|mkv|avi)

requirements.txt

@@ -0,0 +1 @@
+mutagen

youtube_dlc/YoutubeDL.py

@@ -202,6 +202,8 @@ class YoutubeDL(object):
     logtostderr:       Log messages to stderr instead of stdout.
     writedescription:  Write the video description to a .description file
     writeinfojson:     Write the video description to a .info.json file
+    writecomments:     Extract video comments. This will not be written to disk
+                       unless writeinfojson is also given
     writeannotations:  Write the video annotations to a .annotations.xml file
     writethumbnail:    Write the thumbnail image to a file
     write_all_thumbnails:  Write all thumbnail formats to files
@@ -930,9 +932,7 @@ class YoutubeDL(object):
                 self.to_screen("[%s] %s: has already been recorded in archive" % (
                                ie_key, temp_id))
                 break
-
             return self.__extract_info(url, ie, download, extra_info, process, info_dict)
-
         else:
             self.report_error('no suitable InfoExtractor for URL %s' % url)
 
@@ -1101,6 +1101,21 @@ class YoutubeDL(object):
         playlist = ie_result.get('title') or ie_result.get('id')
         self.to_screen('[download] Downloading playlist: %s' % playlist)
 
+        if self.params.get('writeinfojson', False):
+            infofn = replace_extension(
+                self.prepare_filepath(self.prepare_filename(ie_result), 'infojson'),
+                'info.json', ie_result.get('ext'))
+            if self.params.get('overwrites', True) and os.path.exists(encodeFilename(infofn)):
+                self.to_screen('[info] Playlist description metadata is already present')
+            else:
+                self.to_screen('[info] Writing description playlist metadata as JSON to: ' + infofn)
+                playlist_info = dict(ie_result)
+                playlist_info.pop('entries')
+                try:
+                    write_json_file(self.filter_requested_info(playlist_info), infofn)
+                except (OSError, IOError):
+                    self.report_error('Cannot write playlist description metadata to JSON file ' + infofn)
+
         playlist_results = []
 
         playliststart = self.params.get('playliststart', 1) - 1
@@ -2105,6 +2120,7 @@ class YoutubeDL(object):
                 except (OSError, IOError):
                     self.report_error('Cannot write metadata to JSON file ' + infofn)
                     return
+            info_dict['__infojson_filepath'] = infofn
 
         thumbdir = os.path.dirname(self.prepare_filepath(filename, 'thumbnail'))
         for thumbfn in self._write_thumbnails(info_dict, temp_filename):

youtube_dlc/__init__.py

@@ -413,7 +413,8 @@ def _real_main(argv=None):
         'updatetime': opts.updatetime,
         'writedescription': opts.writedescription,
         'writeannotations': opts.writeannotations,
-        'writeinfojson': opts.writeinfojson,
+        'writeinfojson': opts.writeinfojson or opts.getcomments,
+        'getcomments': opts.getcomments,
         'writethumbnail': opts.writethumbnail,
         'write_all_thumbnails': opts.write_all_thumbnails,
         'writelink': opts.writelink,

youtube_dlc/extractor/anvato.py

@@ -9,6 +9,7 @@ import re
 import time
 
 from .common import InfoExtractor
+from .anvato_token_generator import NFLTokenGenerator
 from ..aes import aes_encrypt
 from ..compat import compat_str
 from ..utils import (
@@ -203,6 +204,10 @@ class AnvatoIE(InfoExtractor):
         'telemundo': 'anvato_mcp_telemundo_web_prod_c5278d51ad46fda4b6ca3d0ea44a7846a054f582'
     }
 
+    _TOKEN_GENERATORS = {
+        'GXvEgwyJeWem8KCYXfeoHWknwP48Mboj': NFLTokenGenerator,
+    }
+
     _API_KEY = '3hwbSuqqT690uxjNYBktSQpa5ZrpYYR0Iofx7NcJHyA'
 
     _ANVP_RE = r'<script[^>]+\bdata-anvp\s*=\s*(["\'])(?P<anvp>(?:(?!\1).)+)\1'
@@ -262,9 +267,12 @@ class AnvatoIE(InfoExtractor):
             'anvrid': anvrid,
             'anvts': server_time,
         }
-        api['anvstk'] = md5_text('%s|%s|%d|%s' % (
-            access_key, anvrid, server_time,
-            self._ANVACK_TABLE.get(access_key, self._API_KEY)))
+        if access_key in self._TOKEN_GENERATORS:
+            api['anvstk2'] = self._TOKEN_GENERATORS[access_key].generate(self, access_key, video_id)
+        else:
+            api['anvstk'] = md5_text('%s|%s|%d|%s' % (
+                access_key, anvrid, server_time,
+                self._ANVACK_TABLE.get(access_key, self._API_KEY)))
 
         return self._download_json(
             video_data_url, video_id, transform_source=strip_jsonp,

youtube_dlc/extractor/bilibili.py

@@ -2,9 +2,10 @@
 from __future__ import unicode_literals
 
 import hashlib
+import json
 import re
 
-from .common import InfoExtractor
+from .common import InfoExtractor, SearchInfoExtractor
 from ..compat import (
     compat_parse_qs,
     compat_urlparse,
@@ -32,13 +33,14 @@ class BiliBiliIE(InfoExtractor):
                             (?:
                                 video/[aA][vV]|
                                 anime/(?P<anime_id>\d+)/play\#
-                            )(?P<id_bv>\d+)|
-                            video/[bB][vV](?P<id>[^/?#&]+)
+                            )(?P<id>\d+)|
+                            video/[bB][vV](?P<id_bv>[^/?#&]+)
                         )
+                        (?:/?\?p=(?P<page>\d+))?
                     '''
 
     _TESTS = [{
-        'url': 'http://www.bilibili.tv/video/av1074402/',
+        'url': 'http://www.bilibili.com/video/av1074402/',
         'md5': '5f7d29e1a2872f3df0cf76b1f87d3788',
         'info_dict': {
             'id': '1074402',
@@ -56,6 +58,10 @@ class BiliBiliIE(InfoExtractor):
         # Tested in BiliBiliBangumiIE
         'url': 'http://bangumi.bilibili.com/anime/1869/play#40062',
         'only_matching': True,
+    }, {
+        # bilibili.tv
+        'url': 'http://www.bilibili.tv/video/av1074402/',
+        'only_matching': True,
     }, {
         'url': 'http://bangumi.bilibili.com/anime/5802/play#100643',
         'md5': '3f721ad1e75030cc06faf73587cfec57',
@@ -124,12 +130,20 @@ class BiliBiliIE(InfoExtractor):
         url, smuggled_data = unsmuggle_url(url, {})
 
         mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('id') or mobj.group('id_bv')
+        video_id = mobj.group('id_bv') or mobj.group('id')
+
+        av_id, bv_id = self._get_video_id_set(video_id, mobj.group('id_bv') is not None)
+        video_id = av_id
+
         anime_id = mobj.group('anime_id')
+        page_id = mobj.group('page')
         webpage = self._download_webpage(url, video_id)
 
         if 'anime/' not in url:
             cid = self._search_regex(
+                r'\bcid(?:["\']:|=)(\d+),["\']page(?:["\']:|=)' + str(page_id), webpage, 'cid',
+                default=None
+            ) or self._search_regex(
                 r'\bcid(?:["\']:|=)(\d+)', webpage, 'cid',
                 default=None
             ) or compat_parse_qs(self._search_regex(
@@ -207,9 +221,9 @@ class BiliBiliIE(InfoExtractor):
             break
 
         title = self._html_search_regex(
-            ('<h1[^>]+\btitle=(["\'])(?P<title>(?:(?!\1).)+)\1',
-             '(?s)<h1[^>]*>(?P<title>.+?)</h1>'), webpage, 'title',
-            group='title')
+            (r'<h1[^>]+\btitle=(["\'])(?P<title>(?:(?!\1).)+)\1',
+             r'(?s)<h1[^>]*>(?P<title>.+?)</h1>'), webpage, 'title',
+            group='title') + ('_p' + str(page_id) if page_id is not None else '')
         description = self._html_search_meta('description', webpage)
         timestamp = unified_timestamp(self._html_search_regex(
             r'<time[^>]+datetime="([^"]+)"', webpage, 'upload time',
@@ -219,7 +233,8 @@ class BiliBiliIE(InfoExtractor):
 
         # TODO 'view_count' requires deobfuscating Javascript
         info = {
-            'id': video_id,
+            'id': str(video_id) if page_id is None else '%s_p%s' % (video_id, page_id),
+            'cid': cid,
             'title': title,
             'description': description,
             'timestamp': timestamp,
@@ -235,27 +250,134 @@ class BiliBiliIE(InfoExtractor):
                 'uploader': uploader_mobj.group('name'),
                 'uploader_id': uploader_mobj.group('id'),
             })
+
         if not info.get('uploader'):
             info['uploader'] = self._html_search_meta(
                 'author', webpage, 'uploader', default=None)
 
+        comments = None
+        if self._downloader.params.get('getcomments', False):
+            comments = self._get_all_comment_pages(video_id)
+
+        raw_danmaku = self._get_raw_danmaku(video_id, cid)
+
+        raw_tags = self._get_tags(video_id)
+        tags = list(map(lambda x: x['tag_name'], raw_tags))
+
+        top_level_info = {
+            'raw_danmaku': raw_danmaku,
+            'comments': comments,
+            'comment_count': len(comments) if comments is not None else None,
+            'tags': tags,
+            'raw_tags': raw_tags,
+        }
+
+        '''
+        # Requires https://github.com/m13253/danmaku2ass which is licenced under GPL3
+        # See https://github.com/animelover1984/youtube-dl
+        danmaku = NiconicoIE.CreateDanmaku(raw_danmaku, commentType='Bilibili', x=1024, y=576)
+        entries[0]['subtitles'] = {
+            'danmaku': [{
+                'ext': 'ass',
+                'data': danmaku
+            }]
+        }
+        '''
+
         for entry in entries:
             entry.update(info)
 
         if len(entries) == 1:
+            entries[0].update(top_level_info)
             return entries[0]
         else:
             for idx, entry in enumerate(entries):
                 entry['id'] = '%s_part%d' % (video_id, (idx + 1))
 
-            return {
+            global_info = {
                 '_type': 'multi_video',
                 'id': video_id,
+                'bv_id': bv_id,
                 'title': title,
                 'description': description,
                 'entries': entries,
             }
 
+            global_info.update(info)
+            global_info.update(top_level_info)
+
+            return global_info
+
+    def _get_video_id_set(self, id, is_bv):
+        query = {'bvid': id} if is_bv else {'aid': id}
+        response = self._download_json(
+            "http://api.bilibili.cn/x/web-interface/view",
+            id, query=query,
+            note='Grabbing original ID via API')
+
+        if response['code'] == -400:
+            raise ExtractorError('Video ID does not exist', expected=True, video_id=id)
+        elif response['code'] != 0:
+            raise ExtractorError('Unknown error occurred during API check (code %s)' % response['code'], expected=True, video_id=id)
+        return (response['data']['aid'], response['data']['bvid'])
+
+    # recursive solution to getting every page of comments for the video
+    # we can stop when we reach a page without any comments
+    def _get_all_comment_pages(self, video_id, commentPageNumber=0):
+        comment_url = "https://api.bilibili.com/x/v2/reply?jsonp=jsonp&pn=%s&type=1&oid=%s&sort=2&_=1567227301685" % (commentPageNumber, video_id)
+        json_str = self._download_webpage(
+            comment_url, video_id,
+            note='Extracting comments from page %s' % (commentPageNumber))
+        replies = json.loads(json_str)['data']['replies']
+        if replies is None:
+            return []
+        return self._get_all_children(replies) + self._get_all_comment_pages(video_id, commentPageNumber + 1)
+
+    # extracts all comments in the tree
+    def _get_all_children(self, replies):
+        if replies is None:
+            return []
+
+        ret = []
+        for reply in replies:
+            author = reply['member']['uname']
+            author_id = reply['member']['mid']
+            id = reply['rpid']
+            text = reply['content']['message']
+            timestamp = reply['ctime']
+            parent = reply['parent'] if reply['parent'] != 0 else 'root'
+
+            comment = {
+                "author": author,
+                "author_id": author_id,
+                "id": id,
+                "text": text,
+                "timestamp": timestamp,
+                "parent": parent,
+            }
+            ret.append(comment)
+
+            # from the JSON, the comment structure seems arbitrarily deep, but I could be wrong.
+            # Regardless, this should work.
+            ret += self._get_all_children(reply['replies'])
+
+        return ret
+
+    def _get_raw_danmaku(self, video_id, cid):
+        # This will be useful if I decide to scrape all pages instead of doing them individually
+        # cid_url = "https://www.bilibili.com/widget/getPageList?aid=%s" % (video_id)
+        # cid_str = self._download_webpage(cid_url, video_id, note=False)
+        # cid = json.loads(cid_str)[0]['cid']
+
+        danmaku_url = "https://comment.bilibili.com/%s.xml" % (cid)
+        danmaku = self._download_webpage(danmaku_url, video_id, note='Downloading danmaku comments')
+        return danmaku
+
+    def _get_tags(self, video_id):
+        tags_url = "https://api.bilibili.com/x/tag/archive/tags?aid=%s" % (video_id)
+        tags_json = self._download_json(tags_url, video_id, note='Downloading tags')
+        return tags_json['data']
+
 
 class BiliBiliBangumiIE(InfoExtractor):
     _VALID_URL = r'https?://bangumi\.bilibili\.com/anime/(?P<id>\d+)'
@@ -324,6 +446,73 @@ class BiliBiliBangumiIE(InfoExtractor):
             season_info.get('bangumi_title'), season_info.get('evaluate'))
 
 
+class BilibiliChannelIE(InfoExtractor):
+    _VALID_URL = r'https?://space.bilibili\.com/(?P<id>\d+)'
+    # May need to add support for pagination? Need to find a user with many video uploads to test
+    _API_URL = "https://api.bilibili.com/x/space/arc/search?mid=%s&pn=1&ps=25&jsonp=jsonp"
+    _TEST = {}  # TODO: Add tests
+
+    def _real_extract(self, url):
+        list_id = self._match_id(url)
+        json_str = self._download_webpage(self._API_URL % list_id, "None")
+
+        json_parsed = json.loads(json_str)
+        entries = [{
+            '_type': 'url',
+            'ie_key': BiliBiliIE.ie_key(),
+            'url': ('https://www.bilibili.com/video/%s' %
+                    entry['bvid']),
+            'id': entry['bvid'],
+        } for entry in json_parsed['data']['list']['vlist']]
+
+        return {
+            '_type': 'playlist',
+            'id': list_id,
+            'entries': entries
+        }
+
+
+class BiliBiliSearchIE(SearchInfoExtractor):
+    IE_DESC = 'Bilibili video search, "bilisearch" keyword'
+    _MAX_RESULTS = 100000
+    _SEARCH_KEY = 'bilisearch'
+    MAX_NUMBER_OF_RESULTS = 1000
+
+    def _get_n_results(self, query, n):
+        """Get a specified number of results for a query"""
+
+        entries = []
+        pageNumber = 0
+        while True:
+            pageNumber += 1
+            # FIXME
+            api_url = "https://api.bilibili.com/x/web-interface/search/type?context=&page=%s&order=pubdate&keyword=%s&duration=0&tids_2=&__refresh__=true&search_type=video&tids=0&highlight=1" % (pageNumber, query)
+            json_str = self._download_webpage(
+                api_url, "None", query={"Search_key": query},
+                note='Extracting results from page %s' % pageNumber)
+            data = json.loads(json_str)['data']
+
+            # FIXME: this is hideous
+            if "result" not in data:
+                return {
+                    '_type': 'playlist',
+                    'id': query,
+                    'entries': entries[:n]
+                }
+
+            videos = data['result']
+            for video in videos:
+                e = self.url_result(video['arcurl'], 'BiliBili', str(video['aid']))
+                entries.append(e)
+
+            if(len(entries) >= n or len(videos) >= BiliBiliSearchIE.MAX_NUMBER_OF_RESULTS):
+                return {
+                    '_type': 'playlist',
+                    'id': query,
+                    'entries': entries[:n]
+                }
+
+
 class BilibiliAudioBaseIE(InfoExtractor):
     def _call_api(self, path, sid, query=None):
         if not query:

youtube_dlc/extractor/extractors.py

@@ -122,10 +122,12 @@ from .bigflix import BigflixIE
 from .bild import BildIE
 from .bilibili import (
     BiliBiliIE,
+    BiliBiliSearchIE,
     BiliBiliBangumiIE,
     BilibiliAudioIE,
     BilibiliAudioAlbumIE,
     BiliBiliPlayerIE,
+    BilibiliChannelIE,
 )
 from .biobiochiletv import BioBioChileTVIE
 from .bitchute import (

youtube_dlc/extractor/youtube.py

@@ -2424,9 +2424,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             default=None
         ))
 
-        # annotations
-        video_annotations = None
-        if self._downloader.params.get('writeannotations', False):
+        # get xsrf for annotations or comments
+        get_annotations = self._downloader.params.get('writeannotations', False)
+        get_comments = self._downloader.params.get('getcomments', False)
+        if get_annotations or get_comments:
             xsrf_token = None
             ytcfg = self._extract_ytcfg(video_id, video_webpage)
             if ytcfg:
@@ -2435,6 +2436,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 xsrf_token = self._search_regex(
                     r'([\'"])XSRF_TOKEN\1\s*:\s*([\'"])(?P<xsrf_token>(?:(?!\2).)+)\2',
                     video_webpage, 'xsrf token', group='xsrf_token', fatal=False)
+
+        # annotations
+        video_annotations = None
+        if get_annotations:
             invideo_url = try_get(
                 player_response, lambda x: x['annotations'][0]['playerAnnotationsUrlsRenderer']['invideoUrl'], compat_str)
             if xsrf_token and invideo_url:
@@ -2454,6 +2459,153 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
 
         chapters = self._extract_chapters(video_webpage, description_original, video_id, video_duration)
 
+        # Get comments
+        # TODO: Refactor and move to seperate function
+        if get_comments:
+            expected_video_comment_count = 0
+            video_comments = []
+
+            def find_value(html, key, num_chars=2, separator='"'):
+                pos_begin = html.find(key) + len(key) + num_chars
+                pos_end = html.find(separator, pos_begin)
+                return html[pos_begin: pos_end]
+
+            def search_dict(partial, key):
+                if isinstance(partial, dict):
+                    for k, v in partial.items():
+                        if k == key:
+                            yield v
+                        else:
+                            for o in search_dict(v, key):
+                                yield o
+                elif isinstance(partial, list):
+                    for i in partial:
+                        for o in search_dict(i, key):
+                            yield o
+
+            try:
+                ncd = next(search_dict(yt_initial_data, 'nextContinuationData'))
+                continuations = [(ncd['continuation'], ncd['clickTrackingParams'])]
+            # Handle videos where comments have been disabled entirely
+            except StopIteration:
+                continuations = []
+
+            def get_continuation(continuation, itct, session_token, replies=False):
+                query = {
+                    'pbj': 1,
+                    'ctoken': continuation,
+                    'continuation': continuation,
+                    'itct': itct,
+                }
+                if replies:
+                    query['action_get_comment_replies'] = 1
+                else:
+                    query['action_get_comments'] = 1
+
+                while True:
+                    content, handle = self._download_webpage_handle(
+                        'https://www.youtube.com/comment_service_ajax',
+                        video_id,
+                        note=False,
+                        expected_status=[413],
+                        data=urlencode_postdata({
+                            'session_token': session_token
+                        }),
+                        query=query,
+                        headers={
+                            'Accept': '*/*',
+                            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0',
+                            'X-YouTube-Client-Name': '1',
+                            'X-YouTube-Client-Version': '2.20201202.06.01'
+                        }
+                    )
+
+                    response_code = handle.getcode()
+                    if (response_code == 200):
+                        return self._parse_json(content, video_id)
+                    if (response_code == 413):  # Sometimes google makes continuations that are too big to be accepted by themselves. Grade A engineering
+                        # self.to_screen(json.dumps(query))
+                        # self.to_screen('Google API rate limit detected; waiting 30 seconds before continuing')
+                        # time.sleep(30)
+                        # continue
+                        return None
+                    raise ExtractorError('Unexpected HTTP error code: %s' % response_code)
+
+            first_continuation = True
+            while continuations:
+                continuation, itct = continuations.pop()
+                comment_response = get_continuation(continuation, itct, xsrf_token)
+                if not comment_response:
+                    continue
+                if list(search_dict(comment_response, 'externalErrorMessage')):
+                    raise ExtractorError('Error returned from server: ' + next(search_dict(comment_response, 'externalErrorMessage')))
+
+                item_section = comment_response['response']['continuationContents']['itemSectionContinuation']
+                if first_continuation:
+                    expected_video_comment_count = int(item_section['header']['commentsHeaderRenderer']['countText']['runs'][0]['text'].replace(' Comments', '').replace('1 Comment', '1').replace(',', ''))
+                    first_continuation = False
+                if 'contents' not in item_section:
+                    # continuation returned no comments?
+                    # set an empty array as to not break the for loop
+                    item_section['contents'] = []
+
+                for meta_comment in item_section['contents']:
+                    comment = meta_comment['commentThreadRenderer']['comment']['commentRenderer']
+                    video_comments.append({
+                        'id': comment['commentId'],
+                        'text': ''.join([c['text'] for c in comment['contentText']['runs']]),
+                        'time_text': comment['publishedTimeText']['runs'][0]['text'],
+                        'author': comment.get('authorText', {}).get('simpleText', ''),
+                        'votes': comment.get('voteCount', {}).get('simpleText', '0'),
+                        'author_thumbnail': comment['authorThumbnail']['thumbnails'][-1]['url'],
+                        'parent': 'root'
+                    })
+                    if 'replies' not in meta_comment['commentThreadRenderer']:
+                        continue
+
+                    reply_continuation = meta_comment['commentThreadRenderer']['replies']['commentRepliesRenderer']['continuations'][0]['nextContinuationData']
+                    continuation = reply_continuation['continuation']
+                    itct = reply_continuation['clickTrackingParams']
+                    while True:
+                        time.sleep(1)
+                        replies_data = get_continuation(continuation, itct, xsrf_token, True)
+                        if not replies_data or 'continuationContents' not in replies_data[1]['response']:
+                            break
+
+                        if self._downloader.params.get('verbose', False):
+                            self.to_screen('[debug] Comments downloaded (chain %s) %s of ~%s' % (comment['commentId'], len(video_comments), expected_video_comment_count))
+                        reply_comment_meta = replies_data[1]['response']['continuationContents']['commentRepliesContinuation']
+                        for reply_meta in replies_data[1]['response']['continuationContents']['commentRepliesContinuation']['contents']:
+                            reply_comment = reply_meta['commentRenderer']
+                            video_comments.append({
+                                'id': reply_comment['commentId'],
+                                'text': ''.join([c['text'] for c in reply_comment['contentText']['runs']]),
+                                'time_text': reply_comment['publishedTimeText']['runs'][0]['text'],
+                                'author': reply_comment.get('authorText', {}).get('simpleText', ''),
+                                'votes': reply_comment.get('voteCount', {}).get('simpleText', '0'),
+                                'author_thumbnail': reply_comment['authorThumbnail']['thumbnails'][-1]['url'],
+                                'parent': comment['commentId']
+                            })
+                        if 'continuations' not in reply_comment_meta or len(reply_comment_meta['continuations']) == 0:
+                            break
+
+                        continuation = reply_comment_meta['continuations'][0]['nextContinuationData']['continuation']
+                        itct = reply_comment_meta['continuations'][0]['nextContinuationData']['clickTrackingParams']
+
+                self.to_screen('Comments downloaded %s of ~%s' % (len(video_comments), expected_video_comment_count))
+
+                if 'continuations' in item_section:
+                    new_continuations = [
+                        (ncd['nextContinuationData']['continuation'], ncd['nextContinuationData']['clickTrackingParams'])
+                        for ncd in item_section['continuations']]
+                    continuations += new_continuations
+                time.sleep(1)
+
+            self.to_screen('Total comments downloaded %s of ~%s' % (len(video_comments), expected_video_comment_count))
+        else:
+            expected_video_comment_count = None
+            video_comments = None
+
         # Look for the DASH manifest
         if self._downloader.params.get('youtube_include_dash_manifest', True):
             dash_mpd_fatal = True
@@ -2572,6 +2724,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'release_year': release_year,
             'subscriber_count': subscriber_count,
             'playable_in_embed': playable_in_embed,
+            'comments': video_comments,
+            'comment_count': expected_video_comment_count,
         }
 
 

youtube_dlc/options.py

@@ -934,6 +934,10 @@ def parseOpts(overrideArguments=None):
         '--no-write-annotations',
         action='store_false', dest='writeannotations',
         help='Do not write video annotations (default)')
+    filesystem.add_option(
+        '--get-comments',
+        action='store_true', dest='getcomments', default=False,
+        help='Retrieve video comments to be placed in the .info.json file')
     filesystem.add_option(
         '--load-info-json', '--load-info',
         dest='load_info_filename', metavar='FILE',
@@ -1014,7 +1018,9 @@ def parseOpts(overrideArguments=None):
         metavar='FORMAT', dest='remuxvideo', default=None,
         help=(
             'Remux the video into another container if necessary (currently supported: mp4|mkv). '
-            'If target container does not support the video/audio codec, remuxing will fail'))
+            'If target container does not support the video/audio codec, remuxing will fail. '
+            'You can specify multiple rules; eg. "aac>m4a/mov>mp4/mkv" will remux aac to m4a, mov to mp4 '
+            'and anything else to mkv.'))
     postproc.add_option(
         '--recode-video',
         metavar='FORMAT', dest='recodevideo', default=None,

youtube_dlc/postprocessor/embedthumbnail.py

@@ -4,6 +4,15 @@ from __future__ import unicode_literals
 
 import os
 import subprocess
+import struct
+import re
+import base64
+
+try:
+    import mutagen
+    _has_mutagen = True
+except ImportError:
+    _has_mutagen = False
 
 from .ffmpeg import FFmpegPostProcessor
 
@@ -11,11 +20,12 @@ from ..utils import (
     check_executable,
     encodeArgument,
     encodeFilename,
+    error_to_compat_str,
     PostProcessingError,
     prepend_extension,
+    process_communicate_or_kill,
     replace_extension,
     shell_quote,
-    process_communicate_or_kill,
 )
 
 
@@ -73,6 +83,7 @@ class EmbedThumbnailPP(FFmpegPostProcessor):
             # Rename back to unescaped for further processing
             os.rename(encodeFilename(escaped_thumbnail_jpg_filename), encodeFilename(thumbnail_jpg_filename))
             thumbnail_filename = thumbnail_jpg_filename
+            thumbnail_ext = 'jpg'
 
         success = True
         if info['ext'] == 'mp3':
@@ -83,47 +94,92 @@ class EmbedThumbnailPP(FFmpegPostProcessor):
             self.to_screen('Adding thumbnail to "%s"' % filename)
             self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)
 
-        elif info['ext'] == 'mkv':
-            options = [
-                '-c', 'copy', '-map', '0', '-dn', '-attach', thumbnail_filename,
-                '-metadata:s:t', 'mimetype=image/jpeg', '-metadata:s:t', 'filename=cover.jpg']
+        elif info['ext'] in ['mkv', 'mka']:
+            options = ['-c', 'copy', '-map', '0', '-dn']
+
+            mimetype = 'image/%s' % ('png' if thumbnail_ext == 'png' else 'jpeg')
+            old_stream, new_stream = self.get_stream_number(
+                filename, ('tags', 'mimetype'), mimetype)
+            if old_stream is not None:
+                options.extend(['-map', '-0:%d' % old_stream])
+                new_stream -= 1
+            options.extend([
+                '-attach', thumbnail_filename,
+                '-metadata:s:%d' % new_stream, 'mimetype=%s' % mimetype,
+                '-metadata:s:%d' % new_stream, 'filename=cover.%s' % thumbnail_ext])
 
             self.to_screen('Adding thumbnail to "%s"' % filename)
-            self.run_ffmpeg_multiple_files([filename], temp_filename, options)
+            self.run_ffmpeg(filename, temp_filename, options)
 
-        elif info['ext'] in ['m4a', 'mp4']:
-            if not check_executable('AtomicParsley', ['-v']):
-                raise EmbedThumbnailPPError('AtomicParsley was not found. Please install.')
+        elif info['ext'] in ['m4a', 'mp4', 'mov']:
+            try:
+                options = ['-c', 'copy', '-map', '0', '-dn', '-map', '1']
 
-            cmd = [encodeFilename('AtomicParsley', True),
-                   encodeFilename(filename, True),
-                   encodeArgument('--artwork'),
-                   encodeFilename(thumbnail_filename, True),
-                   encodeArgument('-o'),
-                   encodeFilename(temp_filename, True)]
-            cmd += [encodeArgument(o) for o in self._configuration_args(exe='AtomicParsley')]
+                old_stream, new_stream = self.get_stream_number(
+                    filename, ('disposition', 'attached_pic'), 1)
+                if old_stream is not None:
+                    options.extend(['-map', '-0:%d' % old_stream])
+                    new_stream -= 1
+                options.extend(['-disposition:%s' % new_stream, 'attached_pic'])
 
-            self.to_screen('Adding thumbnail to "%s"' % filename)
-            self.write_debug('AtomicParsley command line: %s' % shell_quote(cmd))
+                self.to_screen('Adding thumbnail to "%s"' % filename)
+                self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)
 
-            p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-            stdout, stderr = process_communicate_or_kill(p)
+            except PostProcessingError as err:
+                self.report_warning('unable to embed using ffprobe & ffmpeg; %s' % error_to_compat_str(err))
+                if not check_executable('AtomicParsley', ['-v']):
+                    raise EmbedThumbnailPPError('AtomicParsley was not found. Please install.')
 
-            if p.returncode != 0:
-                msg = stderr.decode('utf-8', 'replace').strip()
-                raise EmbedThumbnailPPError(msg)
-            # for formats that don't support thumbnails (like 3gp) AtomicParsley
-            # won't create to the temporary file
-            if b'No changes' in stdout:
-                self.report_warning('The file format doesn\'t support embedding a thumbnail')
-                success = False
+                cmd = [encodeFilename('AtomicParsley', True),
+                       encodeFilename(filename, True),
+                       encodeArgument('--artwork'),
+                       encodeFilename(thumbnail_filename, True),
+                       encodeArgument('-o'),
+                       encodeFilename(temp_filename, True)]
+                cmd += [encodeArgument(o) for o in self._configuration_args(exe='AtomicParsley')]
+
+                self.to_screen('Adding thumbnail to "%s"' % filename)
+                self.write_debug('AtomicParsley command line: %s' % shell_quote(cmd))
+                p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                stdout, stderr = process_communicate_or_kill(p)
+                if p.returncode != 0:
+                    msg = stderr.decode('utf-8', 'replace').strip()
+                    raise EmbedThumbnailPPError(msg)
+                # for formats that don't support thumbnails (like 3gp) AtomicParsley
+                # won't create to the temporary file
+                if b'No changes' in stdout:
+                    self.report_warning('The file format doesn\'t support embedding a thumbnail')
+                    success = False
+
+        elif info['ext'] in ['ogg', 'opus']:
+            if not _has_mutagen:
+                raise EmbedThumbnailPPError('module mutagen was not found. Please install.')
+            size_regex = r',\s*(?P<w>\d+)x(?P<h>\d+)\s*[,\[]'
+            size_result = self.run_ffmpeg_multiple_files([thumbnail_filename], '', ['-hide_banner'])
+            mobj = re.search(size_regex, size_result)
+            width, height = int(mobj.group('w')), int(mobj.group('h'))
+            mimetype = ('image/%s' % ('png' if thumbnail_ext == 'png' else 'jpeg')).encode('ascii')
+
+            # https://xiph.org/flac/format.html#metadata_block_picture
+            data = bytearray()
+            data += struct.pack('>II', 3, len(mimetype))
+            data += mimetype
+            data += struct.pack('>IIIIII', 0, width, height, 8, 0, os.stat(thumbnail_filename).st_size)  # 32 if png else 24
+
+            fin = open(thumbnail_filename, "rb")
+            data += fin.read()
+            fin.close()
+
+            temp_filename = filename
+            f = mutagen.File(temp_filename)
+            f.tags['METADATA_BLOCK_PICTURE'] = base64.b64encode(data).decode('ascii')
+            f.save()
 
         else:
-            raise EmbedThumbnailPPError('Only mp3, mkv, m4a and mp4 are supported for thumbnail embedding for now.')
+            raise EmbedThumbnailPPError('Supported filetypes for thumbnail embedding are: mp3, mkv/mka, ogg/opus, m4a/mp4/mov')
 
-        if success:
+        if success and temp_filename != filename:
             os.remove(encodeFilename(filename))
             os.rename(encodeFilename(temp_filename), encodeFilename(filename))
-
         files_to_delete = [] if self._already_have_thumbnail else [thumbnail_filename]
         return files_to_delete, info

youtube_dlc/postprocessor/ffmpeg.py

@@ -5,6 +5,7 @@ import os
 import subprocess
 import time
 import re
+import json
 
 
 from .common import AudioConversionError, PostProcessor
@@ -20,8 +21,9 @@ from ..utils import (
     subtitles_filename,
     dfxp2srt,
     ISO639Utils,
-    replace_extension,
     process_communicate_or_kill,
+    replace_extension,
+    traverse_dict,
 )
 
 
@@ -201,6 +203,37 @@ class FFmpegPostProcessor(PostProcessor):
                 return mobj.group(1)
         return None
 
+    def get_metadata_object(self, path, opts=[]):
+        if self.probe_basename != 'ffprobe':
+            if self.probe_available:
+                self.report_warning('Only ffprobe is supported for metadata extraction')
+            raise PostProcessingError('ffprobe not found. Please install.')
+        self.check_version()
+
+        cmd = [
+            encodeFilename(self.probe_executable, True),
+            encodeArgument('-hide_banner'),
+            encodeArgument('-show_format'),
+            encodeArgument('-show_streams'),
+            encodeArgument('-print_format'),
+            encodeArgument('json'),
+        ]
+
+        cmd += opts
+        cmd.append(encodeFilename(self._ffmpeg_filename_argument(path), True))
+        if self._downloader.params.get('verbose', False):
+            self._downloader.to_screen('[debug] ffprobe command line: %s' % shell_quote(cmd))
+        p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
+        stdout, stderr = p.communicate()
+        return json.loads(stdout.decode('utf-8', 'replace'))
+
+    def get_stream_number(self, path, keys, value):
+        streams = self.get_metadata_object(path)['streams']
+        num = next(
+            (i for i, stream in enumerate(streams) if traverse_dict(stream, keys, casesense=False) == value),
+            None)
+        return num, len(streams)
+
     def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
         self.check_version()
 
@@ -227,10 +260,12 @@ class FFmpegPostProcessor(PostProcessor):
         p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
         stdout, stderr = process_communicate_or_kill(p)
         if p.returncode != 0:
-            stderr = stderr.decode('utf-8', 'replace')
-            msg = stderr.strip().split('\n')[-1]
-            raise FFmpegPostProcessorError(msg)
+            stderr = stderr.decode('utf-8', 'replace').strip()
+            if self._downloader.params.get('verbose', False):
+                self.report_error(stderr)
+            raise FFmpegPostProcessorError(stderr.split('\n')[-1])
         self.try_utime(out_path, oldest_mtime, oldest_mtime)
+        return stderr.decode('utf-8', 'replace')
 
     def run_ffmpeg(self, path, out_path, opts):
         self.run_ffmpeg_multiple_files([path], out_path, opts)
@@ -240,6 +275,8 @@ class FFmpegPostProcessor(PostProcessor):
         # interprets that as a protocol) or can start with '-' (-- is broken in
         # ffmpeg, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details)
         # Also leave '-' intact in order not to break streaming to stdout.
+        if fn.startswith(('http://', 'https://')):
+            return fn
         return 'file:' + fn if fn != '-' else fn
 
 
@@ -349,21 +386,35 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
 class FFmpegVideoRemuxerPP(FFmpegPostProcessor):
     def __init__(self, downloader=None, preferedformat=None):
         super(FFmpegVideoRemuxerPP, self).__init__(downloader)
-        self._preferedformat = preferedformat
+        self._preferedformats = preferedformat.lower().split('/')
 
     def run(self, information):
         path = information['filepath']
-        if information['ext'] == self._preferedformat:
-            self.to_screen('Not remuxing video file %s - already is in target format %s' % (path, self._preferedformat))
+        sourceext, targetext = information['ext'].lower(), None
+        for pair in self._preferedformats:
+            kv = pair.split('>')
+            if len(kv) == 1 or kv[0].strip() == sourceext:
+                targetext = kv[-1].strip()
+                break
+
+        _skip_msg = (
+            'could not find a mapping for %s' if not targetext
+            else 'already is in target format %s' if sourceext == targetext
+            else None)
+        if _skip_msg:
+            self.to_screen('Not remuxing media file %s - %s' % (path, _skip_msg % sourceext))
             return [], information
+
         options = ['-c', 'copy', '-map', '0', '-dn']
-        prefix, sep, ext = path.rpartition('.')
-        outpath = prefix + sep + self._preferedformat
-        self.to_screen('Remuxing video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)
+        if targetext in ['mp4', 'm4a', 'mov']:
+            options.extend(['-movflags', '+faststart'])
+        prefix, sep, oldext = path.rpartition('.')
+        outpath = prefix + sep + targetext
+        self.to_screen('Remuxing video from %s to %s; Destination: %s' % (sourceext, targetext, outpath))
         self.run_ffmpeg(path, outpath, options)
         information['filepath'] = outpath
-        information['format'] = self._preferedformat
-        information['ext'] = self._preferedformat
+        information['format'] = targetext
+        information['ext'] = targetext
         return [path], information
 
 
@@ -406,18 +457,22 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
         sub_langs = []
         sub_filenames = []
         webm_vtt_warn = False
+        mp4_ass_warn = False
 
         for lang, sub_info in subtitles.items():
             sub_ext = sub_info['ext']
             if sub_ext == 'json':
-                self.to_screen('JSON subtitles cannot be embedded')
+                self.report_warning('JSON subtitles cannot be embedded')
             elif ext != 'webm' or ext == 'webm' and sub_ext == 'vtt':
                 sub_langs.append(lang)
                 sub_filenames.append(subtitles_filename(filename, lang, sub_ext, ext))
             else:
                 if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt':
                     webm_vtt_warn = True
-                    self.to_screen('Only WebVTT subtitles can be embedded in webm files')
+                    self.report_warning('Only WebVTT subtitles can be embedded in webm files')
+            if not mp4_ass_warn and ext == 'mp4' and sub_ext == 'ass':
+                mp4_ass_warn = True
+                self.report_warning('ASS subtitles cannot be properly embedded in mp4 files; expect issues')
 
         if not sub_langs:
             return [], information
@@ -441,7 +496,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
             opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
 
         temp_filename = prepend_extension(filename, 'temp')
-        self.to_screen('Embedding subtitles in \'%s\'' % filename)
+        self.to_screen('Embedding subtitles in "%s"' % filename)
         self.run_ffmpeg_multiple_files(input_files, temp_filename, opts)
         os.remove(encodeFilename(filename))
         os.rename(encodeFilename(temp_filename), encodeFilename(filename))
@@ -471,7 +526,6 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
         # 1. https://kdenlive.org/en/project/adding-meta-data-to-mp4-video/
         # 2. https://wiki.multimedia.cx/index.php/FFmpeg_Metadata
         # 3. https://kodi.wiki/view/Video_file_tagging
-        # 4. http://atomicparsley.sourceforge.net/mpeg-4files.html
 
         add('title', ('track', 'title'))
         add('date', 'upload_date')
@@ -524,6 +578,18 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
                 in_filenames.append(metadata_filename)
                 options.extend(['-map_metadata', '1'])
 
+        if '__infojson_filepath' in info and info['ext'] in ('mkv', 'mka'):
+            old_stream, new_stream = self.get_stream_number(
+                filename, ('tags', 'mimetype'), 'application/json')
+            if old_stream is not None:
+                options.extend(['-map', '-0:%d' % old_stream])
+                new_stream -= 1
+
+            options.extend([
+                '-attach', info['__infojson_filepath'],
+                '-metadata:s:%d' % new_stream, 'mimetype=application/json'
+            ])
+
         self.to_screen('Adding metadata to \'%s\'' % filename)
         self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options)
         if chapters:

youtube_dlc/utils.py

@@ -5934,3 +5934,14 @@ def load_plugins(name, type, namespace):
         if plugin_info[0] is not None:
             plugin_info[0].close()
     return classes
+
+
+def traverse_dict(dictn, keys, casesense=True):
+    if not isinstance(dictn, dict):
+        return None
+    first_key = keys[0]
+    if not casesense:
+        dictn = {key.lower(): val for key, val in dictn.items()}
+        first_key = first_key.lower()
+    value = dictn.get(first_key, None)
+    return value if len(keys) < 2 else traverse_dict(value, keys[1:], casesense)