retitle 587904 Please build against lame to enable mp3 encoding support block 587904 by 90091 stop
On Fri, Jul 02, 2010 at 09:34:04 (EDT), jida...@jidanni.org wrote: > Package: ffmpeg > Version: 4:0.6-2 > Severity: wishlist > > $ ffmpeg -i file.flv o.mp3 > ... > Input #0, flv, from 'file.flv':... > Duration: 00:03:50.22, start: 0.000000, bitrate: 269 kb/s > Stream #0.0: Video: flv, yuv420p, 320x240, 261 kb/s, 29.92 tbr, 1k tbn, > 1k tbc > Stream #0.1: Audio: mp3, 22050 Hz, 2 channels, s16, 8 kb/s > Output #0, mp3, to 'o.mp3': > Stream #0.0: Audio: 0x0000, 22050 Hz, 2 channels, s16, 64 kb/s > Stream mapping: > Stream #0.1 -> #0.0 > Encoder (codec id 86017) not found for output stream #0.0 > > Well then the package is broken, or some message saying what to try next > should be given. > > The reason may be documented in /usr/share/doc/ffmpeg/README.Debian.gz > but it is very hard to tell. the correct fix is to fix the debian packages. > OK, probably the message should be **codec disabled for legal reasons by > Debian. > Try putting debian-multimedia... on top of your /etc/apt/sources.list... and > do apt-get update, then reinstall their version of this package**" I cannot recommend that repository. btw, we are currently working on getting the lame package in main. once it is there, I'll enable mp3 support > P.S., does this really turn 8 kb/s into 64 kb/s? Is that a good thing to do? > > Well I tried -ab 8k and found out that the Stream #0.1: Audio: mp3, 22050 Hz, > 2 channels, s16, 8 kb/s > must be wrong. ffprobe gives the same wrong answer. I don't follow. I'd need example files and full output to comment on that. BTW, best file the bug upstream: http://ffmpeg.org/bugreports.html > P.S.S., the man page, > > -ac channels > Set the number of audio channels (default = 1). > > is wrong. As you see above two channels were the output, even without > this option. I think this was recently fixed upstream, not sure if it made it for 0.6, but will definitly be fixed in 0.7 -- Gruesse/greetings, Reinhard Tartler, KeyID 945348A4 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
