Audio missing

[crystalclaw]

I recently redownloaded this utility, and i have a problem. whenever i go to download a video, i get the .mp4 file, but it has no audio. these are my default settings:
-o "%(uploader)s %(title)s.%(ext)s" --add-metadata -f 135/134/136

[jaimeMF]

The problem is that 135, 134 and 136 are the codes for the DASH video only formats, you can get all the available formats and information running youtube-dl 'http://www.youtube.com/watch?v=UxxajLWwzqY' -F:

...
[info] Available formats for UxxajLWwzqY:
format code extension resolution  note
171         webm      audio only  DASH webm audio , audio@ 48k (worst)
140         m4a       audio only  DASH audio , audio@128k
160         mp4       144p        DASH video , video only
242         webm      240p        DASH webm
133         mp4       240p        DASH video , video only
243         webm      360p        DASH webm
134         mp4       360p        DASH video , video only
244         webm      480p        DASH webm
135         mp4       480p        DASH video , video only
247         webm      720p        DASH webm
136         mp4       720p        DASH video , video only
248         webm      1080p       DASH webm
137         mp4       1080p       DASH video , video only
17          3gp       176x144
36          3gp       320x240
5           flv       400x240
43          webm      640x360
18          mp4       640x360
22          mp4       1280x720    (best)

If you want to download the DASH video, you'll also need to download the audio (for example -f 140) and merge them. If you have ffmpeg or avconv installed, youtube-dl can do this automatically: you just need to run youtube-dl 'http://www.youtube.com/watch?v=UxxajLWwzqY' -f bestvideo+bestaudio, keep in mind that this is a feature that needs some improvements.