[FFmpeg-user] ffmpeg wav lossless to youtube mov?
Paul B Mahol
onemda at gmail.com
Fri May 24 04:17:43 EEST 2024
On Fri, May 24, 2024 at 1:12 AM Zathras Yes <zathras.the.first at gmail.com>
wrote:
> Hi,
>
> as i have mentioned to Mr. Reindl, the online-converter
> https://www.freeconvert.com/wav-to-mov does the trick.
>
> ffmpeg should be able to do the same, I suppose.
> May be, I am in error, may be not...
>
> 1. make a wav-files (16 Bit, 44.1 kHz) "sound.wav"
> 2. use the mentioned online converter from "sound.wav" to "upload.mov"
> 3. Upload this "upload.mov" to youtube.
> 4. Go to the youtube-link and download the file "download.mov"
> 5. extract the sound file out of "download.mov" --> "extracted.wav"
> 6. Compare the original file "sound.wav" with "extracted.wav" with its
> spectrogramms. (Audacity or Spectral Layers for instance)
> --> et voila the files are exactly the same!
>
"Audacity or Spectral Layers" spectrograms does not mean much, at least
half of data, the phase, is not shown in typical spectrograms.
Two .wav files are exactly the same if cmp UNIX tool returns empty output
when given paths to two .wav files as argmunt to cmp tool.
The AAC SLS (The lossless variant of AAC) is completely different sub-codec
for AAC, and very marginally supported.
> So, it does work somehow.
> For this, I do not understand the length of the discussion (especially with
> Mr. Reindl), that it does not work, because it is not supposed to work?
> But it does - so I wonder why it is such a big deal here.
>
>
> On Fri, May 24, 2024 at 1:02 AM Andrew Randrianasulu <
> randrianasulu at gmail.com> wrote:
>
> > пт, 24 мая 2024 г., 01:37 Reindl Harald <h.reindl at thelounge.net>:
> >
> > >
> > >
> > > Am 24.05.24 um 00:34 schrieb Zathras Yes:
> > > > Yes, I know that. Just add a picture and it's fine.
> > >
> > > MOV with PCM/WAV is never fine
> > >
> >
> > from compatibility with older software? yes. Youtube probably does not
> want
> > to serve relatively huge lossless uncompressed audio files, even if that
> > was perfectly possible.
> >
> > but for experimenting you can use ffbrobe on wav file and try to put -c:a
> > pcm_s32le for example if ffprobe indicated this format for your wav.
> >
> >
> >
> >
> > > > Please don't repeat all this over and over, because it is tiresome.
> > >
> > > if you won't be an idiot you would understand it by telling once
> > >
> > > > For this now, I will not further answer to you!
> > >
> > > i hope so
> > >
> > > > On Fri, May 24, 2024 at 12:32 AM Reindl Harald <
> h.reindl at thelounge.net
> > >
> > > > wrote:
> > > >
> > > >>
> > > >>
> > > >> Am 24.05.24 um 00:29 schrieb Zathras Yes:
> > > >>> Supported file formats:
> > > >>>
> > > >>> -
> > > >>> - PCM audio in WAV container
> > > >>>
> > > >>>
> > > >>> So, it seems possible to put a wav into a youtube-video, right?
> > > >>>
> > > >>> How to do it?
> > > >>
> > > >> https://support.google.com/youtube/troubleshooter/2888402?hl=en
> > > >>
> > > >> Note: Audio files, like MP3, WAV, or PCM files, can’t be uploaded to
> > > >> create a YouTube video. You can use video editing software to
> convert
> > > >> your audio file to a video. Audio files can only be uploaded as
> extra
> > > >> languages for your video.
> > >
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