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Separate Synth and SynthState: SynthState is the part that Render changes.

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This should make testing easier, as Synth can be assumed to stay the same
during each call. Synth is also the part that we can parse from .asm/.json file
and a Patch can be compiled into a synth. Synth can be eventually made
quite opaque to the user. The user should not need to worry about opcodes
etc.
This commit is contained in:
Veikko Sariola
2020-10-28 13:44:34 +02:00
parent 64afa9fb48
commit 8183c698da
13 changed files with 196 additions and 156 deletions
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19
bridge/bridge_test.go
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@ -21,22 +21,25 @@ const su_max_samples = SAMPLES_PER_ROW * TOTAL_ROWS
// const bufsize = su_max_samples * 2
func TestBridge(t *testing.T) {
s := bridge.NewSynthState()
s.SetPatch([]bridge.Instrument{
patch := []bridge.Instrument{
bridge.Instrument{1, []bridge.Unit{
bridge.Unit{bridge.Envelope, []byte{64, 64, 64, 80, 128}},
bridge.Unit{bridge.Envelope, []byte{95, 64, 64, 80, 128}},
bridge.Unit{bridge.Out.Stereo(), []byte{128}},
}},
})
s.Trigger(0, 64)
}}}
synth, err := bridge.Compile(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
state := bridge.NewSynthState()
state.Trigger(0, 64)
buffer := make([]float32, 2*su_max_samples)
err := s.Render(buffer[:len(buffer)/2])
err = synth.Render(state, buffer[:len(buffer)/2])
if err != nil {
t.Fatalf("first render gave an error")
}
s.Release(0)
err = s.Render(buffer[len(buffer)/2:])
state.Release(0)
err = synth.Render(state, buffer[len(buffer)/2:])
if err != nil {
t.Fatalf("first render gave an error")
}