#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)