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Change the sointu.h api to return -1, 0 or n>0 depending if buffer is full and/or row ended.

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test_render_samples_api.c was added to test the api. bridge.go was modified to reflect that there is no need to check for row manually; su_render_samples already returns the information if a row has ended.
This commit is contained in:
Veikko Sariola
2020-10-24 13:00:08 +03:00
parent c9e8000c5f
commit 6e85ff674a
7 changed files with 158 additions and 38 deletions
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10
bridge/bridge_test.go
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@ -5,7 +5,6 @@ import (
"encoding/binary"
"github.com/vsariola/sointu/bridge"
"io/ioutil"
"math"
"path"
"runtime"
"testing"
@ -34,7 +33,6 @@ func TestBridge(t *testing.T) {
// synthState->RandSeed = 1;
// initialized in NewSynthState
// synthState->RowLen = INT32_MAX;
s.RowLen = math.MaxInt32 // (why?)
// synthState->NumVoices = 1;
s.NumVoices = 1
// synthState->Synth.Voices[0].Note = 64;
@ -42,15 +40,15 @@ func TestBridge(t *testing.T) {
// retval = su_render_samples(buffer, su_max_samples / 2, synthState);
buffer := make([]float32, su_max_samples)
remaining := s.Render(buffer)
if remaining != 0 {
t.Fatalf("could not render full buffer, %v bytes remaining, expected %v", remaining, len(buffer))
if remaining > 0 {
t.Fatalf("could not render full buffer, %v bytes remaining, expected <= 0", remaining)
}
// synthState->Synth.Voices[0].Release++;
s.Synth.Voices[0].Release++
sbuffer := make([]float32, su_max_samples)
remaining = s.Render(sbuffer)
if remaining != 0 {
t.Fatalf("could not render second full buffer, %v bytes remaining, expected %v", remaining, len(buffer))
if remaining > 0 {
t.Fatalf("could not render second full buffer, %v bytes remaining, expected <= 0", remaining)
}
buffer = append(buffer, sbuffer...)
_, filename, _, _ := runtime.Caller(0)