midi_player/lib/midi_tools/event.ex
Pim Kunis 3947d6fa2a Add generic event module with begin and end times.
Add module for converting events to schedule.
2020-10-11 11:55:01 +02:00

27 lines
710 B
Elixir

defmodule MIDITools.Event do
defmodule Note do
defstruct channel: 0, tone: 0, start_time: 0, end_time: 0, velocity: 0
def new(channel, tone, start_time, end_time, velocity) do
%__MODULE__{
channel: channel,
tone: tone,
start_time: start_time,
end_time: end_time,
velocity: velocity
}
end
end
def convert(%Note{
channel: channel,
tone: tone,
start_time: start_time,
end_time: end_time,
velocity: velocity
}) do
note_on = MIDISynth.Command.note_on(channel, tone, velocity)
note_off = MIDISynth.Command.note_off(channel, tone)
[{start_time, note_on}, {end_time, note_off}]
end
end