Re: [Linuxsampler-devel] GUI screenshot , Linuxsampler status,thoughts etc (long)

[Steve H. <S.W...@ec...>]

On Tue, Aug 05, 2003 at 05:10:17 +0200, Benno Senoner wrote:
> > Are we still planning to use downcompiling to make an efficient runtime
> > sampler?
> 
> yes. It is not a trivial task but should be manageable.
> (some modules require special care like filters that mantain state information
> etc).

Yes, but if we use LADSPA's API (as was suggested a while back) this
should be a non-problem, cos LADSPA defines how this is handled.
 
> > Some questions: what does SamplePtr do? 
> 
> Basically when a MIDI event occurs the MIDI Keymap module picks the right
> sample (key and velocity mapping) and sends pointer to sample data and 
> sample length to the sample module.
> Same must be done for looping etc.
> As for modulators I was thinking using events that send (base, increment)
> values. That way you can approximate complex curves via small linear segment
> while still having a fast engine.

Wouldn't a streaming approach be more appropraite? So the sample source
module streas PCM data to the audio output module.
 
> >And is pitch really pitch, or is it rate.
> 
> Sorry yes I think it is rate. Basically rate = 1.0 plays the sample at
> normal speed. rate = 2.0 double speed (one octave up etc).

Yup. NP, I just wanted to be clear.

- Steve