Re: ffmpeg: mp3 encoder not found

> In 14.2 libmp3lame is installed. Am I correct to assume that ffmpeg was
> compiled to include this mp3 encoder?
>
> Trying to extract the audio stream for an .mp4 I created fails:
> $ ffmpeg -i regulatory-science-models.mp4 -codec:a libmp3lame -qscale:a 2 reg-models.mp3             Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'regulatory-science-models.mp4':
>    Metadata:
>      major_brand     : mp42
>      minor_version   : 0
>      compatible_brands: mp42mp41isomiso2
>      creation_time   : 2020-08-13T18:57:21.000000Z
>      encoder         : x264
>    Duration: 00:43:56.93, start: 0.000000, bitrate: 214 kb/s
>      Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 960x542 [SAR 542:541 DAR 960:541], 109 kb/s, 30 fps, 30 tbr, 3k tbn, 60 tbc (default)
>      Metadata:
>        creation_time   : 2020-08-13T18:57:21.000000Z
>        handler_name    : VideoHandler
>      Stream #0:1(eng): Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, stereo, s16p, 99 kb/s (default)
>      Metadata:
>        creation_time   : 2020-08-13T18:57:21.000000Z
>        handler_name    : SoundHandler
> Unknown encoder 'libmp3lame'
>
> I'm trying to learn why ffmpeg cannot find the mp3 encoder.

If i'm not mistaken, libmp3lame added in 14.2 still lack of feature to
work with mp3 encoding due to patent issue i think
the patent expired after 14.2 gets released


-- 
Willy Sudiarto Raharjo
Personal Blog : http://willysr.blogspot.com
Linux Blog: http://slackblogs.blogspot.com

-- 
slackware mailing list
[email protected]
https://mailman.lug.org.uk/mailman/listinfo/slackware