Hi,
I'm trying to extract audio from a .flv downloaded from youtube but I'm having some troubles.
I'm trying to use ffmpeg and mencoder but I'm not able to rip the mp3 of the video.

With ffmpeg using the -acodec copy out.mp3 i get only garbage sound (the flv sholud be a container am I right?)

and trying to re-encode with the option
-acodec libmp3lame
I get an error message such "codec not supported"...

No more luck with mencoder...
Someone know what can I try?
Thanx in advance

Try with ffmpeg:
http://morphos.lukysoft.cz/en/vypis.php?hledat=ffmpeg
Example:
ffmpeg -i Sourcevideo.flv -f mp3 ExtractedAudio.mp3
I tried with V. 0.4.9 pre 1 and it works.

You tried with ffmpeg.... I noticed only now!
I'm a little bit tired....

[ Edited by Jambalah on 2011/1/8 16:54 ]

Strange behaviour really. I've re-downloaded ffmpeg just to be 100% sure to have the same version.
with Jambala's command line suggestion -f mp3 out.mp3
I get this error:
Unsupported codec (id=0) for input stream #0.1

with the oprion -acodec copy put.mp3
I get a corrupted mp3.
I've tried with no luck several files dowloaded from youtube all correctly played with my Amiga (ahem, mac ) via mplayer...

You may also have a look at this tread, done some days ago....

https://morph.zone/modules/newbb_plus/viewtopic.php?topic_id=7640&forum=9

mencoder can decode many formats.....


[ Editiert durch Amigaharry2 an 2011/1/8 19:09 ]

> http://morphos.lukysoft.cz/en/vypis.php?hledat=ffmpeg

Just in case someone is not aware:

https://morph.zone/modules/newbb_plus/viewtopic.php?topic_id=6901&forum=3&post_id=70939#70939

Thanx very much to all, the ubiquitus mencoder did it!
With:

mencoder "Five Little Monkeys_.flv" -of rawaudio -oac mp3lame -ovc copy -o a.mp3

I get the audio file correct.

As Andreas_Wolf pointed out with Fab's reply to the link, seems the mp3lame side of ffmpeg is somewhat broken.
Nevermind now my gf has many songs to work with babies at school
Thanx mates!

Hi,try the latest Mplayer release(11.11.2010) . Run Gmplayer,click right mouse button,select "settings" and "preferences". Change audio driver to "pcm" and click "Use". Then load your flv file. video is being played while sound isn't being played but stored to the Mplayer drawer as "audiodump.wav". Then you can convert it to mp3 with Lame...

Thanks for the tips, mates! I didn't read previous thread... Nice solution!!!

Hi, this is really great and usefull/helpfull info! Thanks very much.