[linux-audio-user] Re: Display audio input as waveform

[Paul Davis]

On Tue, 2006-10-17 at 21:04 +0300, Juhana Sadeharju wrote:
> >From: Dominic Sacr? <dominic.sacre at gmx.de>
> >
> >But during recording Ardour is not very useful for this, because the 
> >waveform is only displayed in chunks of one second or something, and it 
> >wraps around every time the play head reaches the right edge of the 
> >window.
> 
> So, the playhead/recordhead stays fixed at the screen, the waveform
> moves continuously pixel-by-pixel, and new waveform pixels appear
> immediately. Fairlight and many other professional software works
> the same way: the playhead stays fixed at the screen.
> 
> Perhaps Ardour should have such a waveform mode.

how much work do you think it is to redraw a 16 pixel wide vertical
rectangle as the playhead moves, versus redrawing almost every pixel in
every track as the waveform scrolls?

do you want to waste those cycles?

oh, and at the last AES convention, the Fairlight booth was more or less
deserted despite being filled with some very cool looking gear.

--p