Ebrahim Mayat wrote:

> DSSI is based on the liblo library which is a *lightweight*
> implementation of OSC. In our tests with fluidsynth, the fluidsynth-dssi
> plugin showed a lack of dynamic sensitivity which for drums and
> percussion is critical.

I'm not sure about DSSI fluidsynth - but there's nothing in DSSI
specification itself (or fluidsynth engine) that would make dynamic
sensitivity impossible. In fact, Calf Organ DSSI and Calf Monosynth DSSI
handle dynamics (in form of 'note on' velocity) just fine.

The more important problem is the plugin state save/restore, both DSSI
and LV2 are kind of underspecified in that regard.

LV2 has an attribute for marking ports that carry a current beats per
minute tempo, but it's just a single value, not a tempo map. It
shouldn't be necessary if Hydrogen is simply used as a drum sampler
(without the sequencer part).

Note that JACK doesn't have a tempo map either. Also, I don't think
Hydrogen can handle/store tempo changes in the middle of the song -
might be wrong though.

Chris


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