mirror of
https://github.com/vsariola/sointu.git
synced 2025-05-28 03:10:24 -04:00
470ba28592
The callbacks are gone; the row looping is the job of the user which is probably better for everyone.
70 lines
2.2 KiB
Go
70 lines
2.2 KiB
Go
package bridge_test
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"io/ioutil"
|
|
"path"
|
|
"runtime"
|
|
"testing"
|
|
|
|
"github.com/vsariola/sointu/bridge"
|
|
)
|
|
|
|
const BPM = 100
|
|
const SAMPLE_RATE = 44100
|
|
const TOTAL_ROWS = 16
|
|
const SAMPLES_PER_ROW = SAMPLE_RATE * 4 * 60 / (BPM * 16)
|
|
|
|
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{
|
|
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)
|
|
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, 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"))
|
|
if err != nil {
|
|
t.Fatalf("cannot read expected: %v", err)
|
|
}
|
|
var createdbuf bytes.Buffer
|
|
err = binary.Write(&createdbuf, binary.LittleEndian, buffer)
|
|
if err != nil {
|
|
t.Fatalf("error converting buffer: %v", err)
|
|
}
|
|
createdb := createdbuf.Bytes()
|
|
if len(createdb) != len(expectedb) {
|
|
t.Fatalf("buffer length mismatch, got %v, expected %v", len(createdb), len(expectedb))
|
|
}
|
|
for i, v := range createdb {
|
|
if expectedb[i] != v {
|
|
t.Errorf("byte mismatch @ %v, got %v, expected %v", i, v, expectedb[i])
|
|
}
|
|
}
|
|
}
|