On Wed, 02 Mar 2016 08:06:05 -0500, Clemens Ladisch <clem...@ladisch.de> wrote:
Is it possible to ask ALSA to also deliver these events early along with that
timestamp?
No. You'd have to subtract the offset from the timestamp yourself.
I should have said that I'm receiving these events, not sending them, in case
that affects the answer. ...but I assume it doesn't.
To further explain what I'm trying to do:
I've written a synthesizer that uses a large audio buffer and resynthesizes the
audio in that buffer when new MIDI events arrive, so as to avoid xruns and
achieve minimal latency simultaneously. While it makes sense to go through the
rewind-and-resynthesize effort for events arriving from an external MIDI
keyboard since those events cannot be known in advance, when it comes to events
previously recorded into a sequencer, those events are known in advance and so
it would make more sense to synthesize those notes correctly the first time so
that the rewind-and-resynthesize effort isn't necessary. So I kind of want to
make it do that, but obviously that requires that there be some way to receive
the scheduled events from ALSA before their scheduled time.
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