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https://github.com/vsariola/sointu.git
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95c8c9c2b7
Whoever uses it, probably wants their own Patch format, as now it is pretty cumbersome to work with sampleoffsets and delays, as the user needs to construct the delaytimes tables and sampleoffset tables.
70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
package bridge_test
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import (
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"bytes"
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"encoding/binary"
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"io/ioutil"
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"path"
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"runtime"
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"testing"
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"github.com/vsariola/sointu/go4k"
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"github.com/vsariola/sointu/go4k/bridge"
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)
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const BPM = 100
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const SAMPLE_RATE = 44100
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const TOTAL_ROWS = 16
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const SAMPLES_PER_ROW = SAMPLE_RATE * 4 * 60 / (BPM * 16)
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const su_max_samples = SAMPLES_PER_ROW * TOTAL_ROWS
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// const bufsize = su_max_samples * 2
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func TestBridge(t *testing.T) {
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patch := go4k.Patch{
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Instruments: []go4k.Instrument{
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go4k.Instrument{1, []go4k.Unit{
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go4k.Unit{"envelope", map[string]int{"stereo": 0, "attack": 64, "decay": 64, "sustain": 64, "release": 80, "gain": 128}},
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go4k.Unit{"envelope", map[string]int{"stereo": 0, "attack": 95, "decay": 64, "sustain": 64, "release": 80, "gain": 128}},
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go4k.Unit{"out", map[string]int{"stereo": 1, "gain": 128}},
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}}},
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SampleOffsets: []go4k.SampleOffset{},
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DelayTimes: []int{}}
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synth, err := bridge.Synth(patch)
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if err != nil {
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t.Fatalf("bridge compile error: %v", err)
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}
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synth.Trigger(0, 64)
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buffer := make([]float32, 2*su_max_samples)
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err = go4k.Render(synth, buffer[:len(buffer)/2])
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if err != nil {
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t.Fatalf("first render gave an error")
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}
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synth.Release(0)
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err = go4k.Render(synth, buffer[len(buffer)/2:])
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if err != nil {
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t.Fatalf("first render gave an error")
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}
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_, filename, _, _ := runtime.Caller(0)
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expectedb, err := ioutil.ReadFile(path.Join(path.Dir(filename), "..", "..", "tests", "expected_output", "test_render_samples.raw"))
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if err != nil {
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t.Fatalf("cannot read expected: %v", err)
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}
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var createdbuf bytes.Buffer
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err = binary.Write(&createdbuf, binary.LittleEndian, buffer)
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if err != nil {
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t.Fatalf("error converting buffer: %v", err)
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}
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createdb := createdbuf.Bytes()
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if len(createdb) != len(expectedb) {
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t.Fatalf("buffer length mismatch, got %v, expected %v", len(createdb), len(expectedb))
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}
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for i, v := range createdb {
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if expectedb[i] != v {
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t.Errorf("byte mismatch @ %v, got %v, expected %v", i, v, expectedb[i])
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}
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}
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}
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