Merge remote-tracking branch 'jbboehr/imgur-gifv-improvements'

[youtube-dl] / README.md

diff --git a/README.md b/README.md
index d68896202ec9a7660d6452019b9ed28857711644..a2c1483117ccf2145fbdbb484a619e281e1892d5 100644 (file)
--- a/README.md
+++ b/README.md
@@ -161,6 +161,8 @@ which means you can modify it, redistribute it or use it however you like.
     --playlist-reverse               Download playlist videos in reverse order
     --xattr-set-filesize             (experimental) set file xattribute
                                      ytdl.filesize with expected filesize
+    --hls-prefer-native              (experimental) Use the native HLS
+                                     downloader instead of ffmpeg.
     --external-downloader COMMAND    (experimental) Use the specified external
                                      downloader. Currently supports
                                      aria2c,curl,wget
@@ -513,11 +515,15 @@ If you want to play the video on a machine that is not running youtube-dl, you c
 
 ### ERROR: no fmt_url_map or conn information found in video info
 
-youtube has switched to a new video info format in July 2011 which is not supported by old versions of youtube-dl. You can update youtube-dl with `sudo youtube-dl --update`.
+YouTube has switched to a new video info format in July 2011 which is not supported by old versions of youtube-dl. See [above](#how-do-i-update-youtube-dl) for how to update youtube-dl.
 
 ### ERROR: unable to download video ###
 
-youtube requires an additional signature since September 2012 which is not supported by old versions of youtube-dl. You can update youtube-dl with `sudo youtube-dl --update`.
+YouTube requires an additional signature since September 2012 which is not supported by old versions of youtube-dl. See [above](#how-do-i-update-youtube-dl) for how to update youtube-dl.
+
+### ExtractorError: Could not find JS function u'OF'
+
+In February 2015, the new YouTube player contained a character sequence in a string that was misinterpreted by old versions of youtube-dl. See [above](#how-do-i-update-youtube-dl) for how to update youtube-dl.
 
 ### SyntaxError: Non-ASCII character ###