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[porcupineks] concurrency fix (#12801)

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Signed-off-by: Miguel Álvarez Díez <miguelwork92@gmail.com>
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GiviMAD 2022-05-24 20:14:02 +02:00 committed by GitHub
parent 723d09b96d
commit 98af136e4a
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1 changed files with 9 additions and 7 deletions
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16
bundles/org.openhab.voice.porcupineks/src/main/java/org/openhab/voice/porcupineks/internal/PorcupineKSService.java
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@ -34,6 +34,7 @@ import java.util.Map;
import java.util.Set;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Level;
import org.eclipse.jdt.annotation.NonNullByDefault;
@ -78,7 +79,6 @@ public class PorcupineKSService implements KSService {
private final Logger logger = LoggerFactory.getLogger(PorcupineKSService.class);
private final ScheduledExecutorService executor = ThreadPoolManager.getScheduledPool("OH-voice-porcupineks");
private PorcupineKSConfiguration config = new PorcupineKSConfiguration();
private boolean loop = false;
private @Nullable BundleContext bundleContext;
static {
@ -193,12 +193,14 @@ public class PorcupineKSService implements KSService {
} catch (PorcupineException | IOException e) {
throw new KSException(e);
}
Future<?> scheduledTask = executor.submit(() -> processInBackground(porcupine, ksListener, audioStream));
final AtomicBoolean aborted = new AtomicBoolean(false);
Future<?> scheduledTask = executor
.submit(() -> processInBackground(porcupine, ksListener, audioStream, aborted));
return new KSServiceHandle() {
@Override
public void abort() {
logger.debug("stopping service");
loop = false;
aborted.set(true);
try {
Thread.sleep(100);
} catch (InterruptedException e) {
@ -305,19 +307,19 @@ public class PorcupineKSService implements KSService {
}
}
private void processInBackground(Porcupine porcupine, KSListener ksListener, AudioStream audioStream) {
private void processInBackground(Porcupine porcupine, KSListener ksListener, AudioStream audioStream,
AtomicBoolean aborted) {
int numBytesRead;
// buffers for processing audio
int frameLength = porcupine.getFrameLength();
ByteBuffer captureBuffer = ByteBuffer.allocate(frameLength * 2);
captureBuffer.order(ByteOrder.LITTLE_ENDIAN);
short[] porcupineBuffer = new short[frameLength];
this.loop = true;
while (loop) {
while (!aborted.get()) {
try {
// read a buffer of audio
numBytesRead = audioStream.read(captureBuffer.array(), 0, captureBuffer.capacity());
if (!loop) {
if (aborted.get()) {
break;
}
// don't pass to porcupine if we don't have a full buffer