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Change the Render function in bridge.go to return a tuple of: number of samples rendered; bool indicating if rowend was reached; and a possible error.

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The callbacks are gone; the row looping is the job of the user which is probably better for everyone.
This commit is contained in:
Veikko Sariola
2020-10-26 08:30:43 +02:00
parent acab824523
commit 470ba28592
3 changed files with 37 additions and 40 deletions
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19
bridge/bridge_test.go
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@ -32,11 +32,20 @@ func TestBridge(t *testing.T) {
s.Trigger(0, 64)
s.SamplesPerRow = SAMPLES_PER_ROW * 8 // this song is two blocks of 8 rows, release before second block start
buffer := make([]float32, 2*su_max_samples)
n, err := s.Render(buffer, 2, func() {
s.Release(0)
})
if n < su_max_samples {
t.Fatalf("could not fill the whole buffer, %v samples rendered, %v expected", n, su_max_samples)
n, rowend, err := s.Render(buffer)
if n < su_max_samples/2 {
t.Fatalf("render should have filled half of the buffer on first call, %v samples rendered, %v expected", n, su_max_samples/2)
}
if rowend != true {
t.Fatalf("Row end should have been hit (rowend should have been true) on the first call to Render")
}
s.Release(0)
n, rowend, err = s.Render(buffer[(n * 2):])
if n < su_max_samples/2 {
t.Fatalf("render should have filled second half of the buffer on the second call, %v samples rendered, %v expected", n, su_max_samples/2)
}
if rowend != true {
t.Fatalf("Row end should have been hit (rowend should have been true) on the second call to Render")
}
_, filename, _, _ := runtime.Caller(0)
expectedb, err := ioutil.ReadFile(path.Join(path.Dir(filename), "..", "tests", "expected_output", "test_render_samples.raw"))