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send SoundTriggerFailure when enrollment prempts session

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DSP model enrollment preempts the running SoundTrigger session by
asynchronously stopping an ongoing session. This change makes sure the
client is notified when the enrollment process changes session state.

Test: atest AlwaysOnHotwordDetectorTest
Bug: 272148104
Change-Id: Id22941354c89836a6d5bfdcd6308e64cb863af82
This commit is contained in:
Nicholas Ambur
2023-05-04 19:55:20 +00:00
parent d06ad212c8
commit 4aa89e189d
1 changed files with 22 additions and 8 deletions
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30
core/java/android/service/voice/AlwaysOnHotwordDetector.java
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@@ -323,7 +323,6 @@ public class AlwaysOnHotwordDetector extends AbstractDetector {
private final Executor mExternalExecutor;
private final Handler mHandler;
private final IBinder mBinder = new Binder();
private final int mTargetSdkVersion;
private final boolean mSupportSandboxedDetectionService;
@GuardedBy("mLock")
@@ -866,7 +865,6 @@ public class AlwaysOnHotwordDetector extends AbstractDetector {
new Handler(Looper.myLooper()));
mInternalCallback = new SoundTriggerListener(mHandler);
mModelManagementService = modelManagementService;
mTargetSdkVersion = targetSdkVersion;
mSupportSandboxedDetectionService = supportSandboxedDetectionService;
}
@@ -1392,6 +1390,7 @@ public class AlwaysOnHotwordDetector extends AbstractDetector {
*
* @hide
*/
// TODO(b/281608561): remove the enrollment flow from AlwaysOnHotwordDetector
void onSoundModelsChanged() {
synchronized (mLock) {
if (mAvailability == STATE_INVALID
@@ -1411,14 +1410,28 @@ public class AlwaysOnHotwordDetector extends AbstractDetector {
return;
}
// Stop the recognition before proceeding.
// This is done because we want to stop the recognition on an older model if it changed
// or was deleted.
// The availability change callback should ensure that the client starts recognition
// again if needed.
// Stop the recognition before proceeding if we are in the enrolled state.
// The framework makes the guarantee that an actively used model is present in the
// system server's enrollment database. For this reason we much stop an actively running
// model when the underlying sound model in enrollment database no longer match.
if (mAvailability == STATE_KEYPHRASE_ENROLLED) {
// A SoundTriggerFailure will be sent to the client if the model state was
// changed. This is an overloading of the onFailure usage because we are sending a
// callback even in the successful stop case. If stopRecognition is successful,
// suggested next action RESTART_RECOGNITION will be sent.
// TODO(b/281608561): This code path will be removed with other enrollment flows in
// this class.
try {
stopRecognitionLocked();
int result = stopRecognitionLocked();
if (result == STATUS_OK) {
sendSoundTriggerFailure(new SoundTriggerFailure(ERROR_CODE_UNKNOWN,
"stopped recognition because of enrollment update",
FailureSuggestedAction.RESTART_RECOGNITION));
}
// only log to logcat here because many failures can be false positives such as
// calling stopRecognition where there is no started session.
Log.w(TAG, "Failed to stop recognition after enrollment update: code="
+ result);
} catch (Exception e) {
Slog.w(TAG, "Failed to stop recognition after enrollment update", e);
if (CompatChanges.isChangeEnabled(SEND_ON_FAILURE_FOR_ASYNC_EXCEPTIONS)) {
@@ -1608,6 +1621,7 @@ public class AlwaysOnHotwordDetector extends AbstractDetector {
.build())
.sendToTarget();
}
@Override
public void onGenericSoundTriggerDetected(SoundTrigger.GenericRecognitionEvent event) {
Slog.w(TAG, "Generic sound trigger event detected at AOHD: " + event);