[Libav-user] Way to convert .wav file waveform into video .mjpeg file

Wagner Patriota wagner.patriota at gmail.com
Tue Jun 11 23:25:34 CEST 2013


would it be something like this?
http://stackoverflow.com/questions/16509906/ffmpeg-can-i-draw-an-audio-channel-as-an-image/16931776#16931776


On Tue, Jun 11, 2013 at 4:28 PM, Paul B Mahol <onemda at gmail.com> wrote:

> On 6/11/13, Olivier Daubry <olivier.daubry at gmail.com> wrote:
> > Hello,
> >
> > I'm searching for a way to convert an array of values (44100 samples
> coded
> > on 16bits each every second) into a series of plot (graph) images (24 per
> > seconds), and then make a video out of it so that I could have a
> converter
> > from .wav to .mjpeg showing the waveform moving as if you were watching
> the
> > file being read by any DAW with a fixed playhead. I've heard about ffmpeg
> > while searching for a way to do this.
> >
> > Do you guys think it could help me achieving this?
>
>
> There are many ways to visualize waveform. In what exact
> "visualization" you are interested?
>
> >
> > Thank you
> >
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