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Groups > comp.os.linux.advocacy > #681234

Re: Need Help -- Audio Experts

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Farley Flud <ff@linux.rocks> wrote at 15:37 this Wednesday (GMT):
> Music is available on YouTube (???) but it is containerized in a video
> format.
>
> Fortunately, with GNU/Linux, it is easy to extract.
>
> First, determine the audio format:
>
> ffprobe file.xxx
>
> Usually, this will be AAC or OPUS.
>
> Second, do the extraction:
>
> ffmpeg -i file.xxx -acodec copy file.(opus/aac)
>
> So far, so good.  But how can we now play the audio?
>
> If the file is OPUS just do:
>
> opusdec file.opus --force-wav - | aplay
>
> Beautiful!
>
> If the file is AAC then do:
>
> faad -w file.aac | aplay
>
> However this does NOT work, although according to the docs
> it should.
>
> The stdout of faad is fucked.  Most likely it is a serious bug.
>
> This DOES work:
>
> ffmpeg -i file.aac -f wav pipe:1 | aplay
>
> (I omit the WAV file analysis of the two different commands.)
>
> Can anyone confirm that the "faad -w" command is FUBAR?
>
> If I get confirmation then I will report the bug.
>
> Note that this DOES work:
>
> faad -o file.wav file.acc && aplay file.wav
>
> Only in the stdout case (-w) is the WAV file maligned.
>
> Note: I don't want to hear any "Duh, just use VLC man" responses.


If you want a command line media player, mpv is also pretty good.
If you're stubborn about keeping wav, you can also use yt-dlp with the
--extract-audio and --audio-format wav flags.
-- 
user <candycane> is generated from /dev/urandom

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Thread

Need Help -- Audio Experts Farley Flud <ff@linux.rocks> - 2024-12-25 15:37 +0000
  Re: Need Help -- Audio Experts Chris Ahlstrom <OFeem1987@teleworm.us> - 2024-12-25 10:53 -0500
  Re: Need Help -- Audio Experts candycanearter07 <candycanearter07@candycanearter07.nomail.afraid> - 2024-12-25 16:20 +0000
    Re: Need Help -- Audio Experts Farley Flud <fflud@gnu.rocks> - 2024-12-25 17:04 +0000
      Re: Need Help -- Audio Experts candycanearter07 <candycanearter07@candycanearter07.nomail.afraid> - 2024-12-26 04:10 +0000

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