Merge changes from topic "st_stopping" into udc-dev

* changes:
  Add recognition session tokens
  Remove SoundTriggerService stopping state
  Revert "Generate an abort event when stopping"
This commit is contained in:
Atneya Nair
2023-05-04 23:33:56 +00:00
committed by Android (Google) Code Review
16 changed files with 164 additions and 105 deletions

View File

@@ -232,7 +232,8 @@ public class ConversionUtil {
recognitionEvent.captureAvailable, captureSession, recognitionEvent.captureDelayMs,
recognitionEvent.capturePreambleMs, recognitionEvent.triggerInData, audioFormat,
recognitionEvent.data,
recognitionEvent.recognitionStillActive, aidlEvent.halEventReceivedMillis);
recognitionEvent.recognitionStillActive, aidlEvent.halEventReceivedMillis,
aidlEvent.token);
}
public static SoundTrigger.RecognitionEvent aidl2apiPhraseRecognitionEvent(
@@ -254,7 +255,8 @@ public class ConversionUtil {
recognitionEvent.common.captureDelayMs,
recognitionEvent.common.capturePreambleMs, recognitionEvent.common.triggerInData,
audioFormat,
recognitionEvent.common.data, apiExtras, aidlEvent.halEventReceivedMillis);
recognitionEvent.common.data, apiExtras, aidlEvent.halEventReceivedMillis,
aidlEvent.token);
}
// In case of a null input returns a non-null valid output.

View File

@@ -63,6 +63,7 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Locale;
import java.util.Objects;
import java.util.UUID;
/**
@@ -1226,6 +1227,14 @@ public class SoundTrigger {
@ElapsedRealtimeLong
public final long halEventReceivedMillis;
/**
* Binder token returned by {@link SoundTriggerModule#startRecognitionWithToken(
* int soundModelHandle, SoundTrigger.RecognitionConfig config)}
* @hide
*/
public final IBinder token;
/** @hide */
@TestApi
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
@@ -1235,14 +1244,16 @@ public class SoundTrigger {
@ElapsedRealtimeLong long halEventReceivedMillis) {
this(status, soundModelHandle, captureAvailable,
captureSession, captureDelayMs, capturePreambleMs, triggerInData, captureFormat,
data, status == RECOGNITION_STATUS_GET_STATE_RESPONSE, halEventReceivedMillis);
data, status == RECOGNITION_STATUS_GET_STATE_RESPONSE, halEventReceivedMillis,
null);
}
/** @hide */
public RecognitionEvent(int status, int soundModelHandle, boolean captureAvailable,
int captureSession, int captureDelayMs, int capturePreambleMs,
boolean triggerInData, @NonNull AudioFormat captureFormat, @Nullable byte[] data,
boolean recognitionStillActive, @ElapsedRealtimeLong long halEventReceivedMillis) {
boolean recognitionStillActive, @ElapsedRealtimeLong long halEventReceivedMillis,
IBinder token) {
this.status = status;
this.soundModelHandle = soundModelHandle;
this.captureAvailable = captureAvailable;
@@ -1254,6 +1265,7 @@ public class SoundTrigger {
this.data = data != null ? data : new byte[0];
this.recognitionStillActive = recognitionStillActive;
this.halEventReceivedMillis = halEventReceivedMillis;
this.token = token;
}
/**
@@ -1311,6 +1323,16 @@ public class SoundTrigger {
return halEventReceivedMillis;
}
/**
* Get token associated with this recognition session returned by
*{@link SoundTriggerModule#startRecognitionWithToken(
* int soundModelHandle, SoundTrigger.RecognitionConfig config)}
* @hide
*/
public IBinder getToken() {
return token;
}
/** @hide */
public static final @android.annotation.NonNull Parcelable.Creator<RecognitionEvent> CREATOR
= new Parcelable.Creator<RecognitionEvent>() {
@@ -1346,9 +1368,10 @@ public class SoundTrigger {
byte[] data = in.readBlob();
boolean recognitionStillActive = in.readBoolean();
long halEventReceivedMillis = in.readLong();
IBinder token = in.readStrongBinder();
return new RecognitionEvent(status, soundModelHandle, captureAvailable, captureSession,
captureDelayMs, capturePreambleMs, triggerInData, captureFormat, data,
recognitionStillActive, halEventReceivedMillis);
recognitionStillActive, halEventReceivedMillis, token);
}
/** @hide */
@@ -1376,6 +1399,7 @@ public class SoundTrigger {
dest.writeBlob(data);
dest.writeBoolean(recognitionStillActive);
dest.writeLong(halEventReceivedMillis);
dest.writeStrongBinder(token);
}
@Override
public int hashCode() {
@@ -1396,6 +1420,7 @@ public class SoundTrigger {
result = prime * result + status;
result = result + (recognitionStillActive ? 1289 : 1291);
result = prime * result + Long.hashCode(halEventReceivedMillis);
result = prime * result + Objects.hashCode(token);
return result;
}
@@ -1425,6 +1450,9 @@ public class SoundTrigger {
if (halEventReceivedMillis != other.halEventReceivedMillis) {
return false;
}
if (!Objects.equals(token, other.token)) {
return false;
}
if (status != other.status)
return false;
if (triggerInData != other.triggerInData)
@@ -1462,8 +1490,8 @@ public class SoundTrigger {
+ ", data=" + (data == null ? 0 : data.length)
+ ", recognitionStillActive=" + recognitionStillActive
+ ", halEventReceivedMillis=" + halEventReceivedMillis
+ "]";
}
+ ", token=" + token
+ "]"; }
}
/**
@@ -1886,10 +1914,12 @@ public class SoundTrigger {
int captureSession, int captureDelayMs, int capturePreambleMs,
boolean triggerInData, @NonNull AudioFormat captureFormat, @Nullable byte[] data,
@Nullable KeyphraseRecognitionExtra[] keyphraseExtras,
@ElapsedRealtimeLong long halEventReceivedMillis) {
@ElapsedRealtimeLong long halEventReceivedMillis,
IBinder token) {
this(status, soundModelHandle, captureAvailable, captureSession, captureDelayMs,
capturePreambleMs, triggerInData, captureFormat, data, keyphraseExtras,
status == RECOGNITION_STATUS_GET_STATE_RESPONSE, halEventReceivedMillis);
status == RECOGNITION_STATUS_GET_STATE_RESPONSE, halEventReceivedMillis,
token);
}
public KeyphraseRecognitionEvent(int status, int soundModelHandle,
@@ -1897,10 +1927,11 @@ public class SoundTrigger {
int captureSession, int captureDelayMs, int capturePreambleMs,
boolean triggerInData, @NonNull AudioFormat captureFormat, @Nullable byte[] data,
@Nullable KeyphraseRecognitionExtra[] keyphraseExtras,
boolean recognitionStillActive, @ElapsedRealtimeLong long halEventReceivedMillis) {
boolean recognitionStillActive, @ElapsedRealtimeLong long halEventReceivedMillis,
IBinder token) {
super(status, soundModelHandle, captureAvailable,
captureSession, captureDelayMs, capturePreambleMs, triggerInData, captureFormat,
data, recognitionStillActive, halEventReceivedMillis);
data, recognitionStillActive, halEventReceivedMillis, token);
this.keyphraseExtras =
keyphraseExtras != null ? keyphraseExtras : new KeyphraseRecognitionExtra[0];
}
@@ -1938,12 +1969,13 @@ public class SoundTrigger {
byte[] data = in.readBlob();
boolean recognitionStillActive = in.readBoolean();
long halEventReceivedMillis = in.readLong();
IBinder token = in.readStrongBinder();
KeyphraseRecognitionExtra[] keyphraseExtras =
in.createTypedArray(KeyphraseRecognitionExtra.CREATOR);
return new KeyphraseRecognitionEvent(status, soundModelHandle,
captureAvailable, captureSession, captureDelayMs, capturePreambleMs,
triggerInData, captureFormat, data, keyphraseExtras, recognitionStillActive,
halEventReceivedMillis);
halEventReceivedMillis, token);
}
@Override
@@ -1966,6 +1998,7 @@ public class SoundTrigger {
dest.writeBlob(data);
dest.writeBoolean(recognitionStillActive);
dest.writeLong(halEventReceivedMillis);
dest.writeStrongBinder(token);
dest.writeTypedArray(keyphraseExtras, flags);
}
@@ -2015,6 +2048,7 @@ public class SoundTrigger {
+ ", data=" + (data == null ? 0 : data.length)
+ ", recognitionStillActive=" + recognitionStillActive
+ ", halEventReceivedMillis=" + halEventReceivedMillis
+ ", token=" + token
+ "]";
}
}
@@ -2030,20 +2064,23 @@ public class SoundTrigger {
public GenericRecognitionEvent(int status, int soundModelHandle, boolean captureAvailable,
int captureSession, int captureDelayMs, int capturePreambleMs,
boolean triggerInData, @NonNull AudioFormat captureFormat, @Nullable byte[] data,
@ElapsedRealtimeLong long halEventReceivedMillis) {
@ElapsedRealtimeLong long halEventReceivedMillis,
IBinder token) {
this(status, soundModelHandle, captureAvailable,
captureSession, captureDelayMs,
capturePreambleMs, triggerInData, captureFormat, data,
status == RECOGNITION_STATUS_GET_STATE_RESPONSE, halEventReceivedMillis);
status == RECOGNITION_STATUS_GET_STATE_RESPONSE,
halEventReceivedMillis, token);
}
public GenericRecognitionEvent(int status, int soundModelHandle, boolean captureAvailable,
int captureSession, int captureDelayMs, int capturePreambleMs,
boolean triggerInData, @NonNull AudioFormat captureFormat, @Nullable byte[] data,
boolean recognitionStillActive, @ElapsedRealtimeLong long halEventReceivedMillis) {
boolean recognitionStillActive, @ElapsedRealtimeLong long halEventReceivedMillis,
IBinder token) {
super(status, soundModelHandle, captureAvailable,
captureSession, captureDelayMs, capturePreambleMs, triggerInData, captureFormat,
data, recognitionStillActive, halEventReceivedMillis);
data, recognitionStillActive, halEventReceivedMillis, token);
}
public static final @android.annotation.NonNull Parcelable.Creator<GenericRecognitionEvent> CREATOR
@@ -2062,7 +2099,7 @@ public class SoundTrigger {
return new GenericRecognitionEvent(event.status, event.soundModelHandle,
event.captureAvailable, event.captureSession, event.captureDelayMs,
event.capturePreambleMs, event.triggerInData, event.captureFormat, event.data,
event.recognitionStillActive, event.halEventReceivedMillis);
event.recognitionStillActive, event.halEventReceivedMillis, event.token);
}
@Override
@@ -2092,7 +2129,7 @@ public class SoundTrigger {
*
* @hide
*/
static int handleException(Exception e) {
public static int handleException(Exception e) {
Log.w(TAG, "Exception caught", e);
if (e instanceof RemoteException) {
return STATUS_DEAD_OBJECT;

View File

@@ -246,6 +246,16 @@ public class SoundTriggerModule {
}
}
/**
* Same as above, but return a binder token associated with the session.
* @hide
*/
public synchronized IBinder startRecognitionWithToken(int soundModelHandle,
SoundTrigger.RecognitionConfig config) throws RemoteException {
return mService.startRecognition(soundModelHandle,
ConversionUtil.api2aidlRecognitionConfig(config));
}
/**
* Stop listening to all key phrases in a {@link SoundTrigger.SoundModel}
* @param soundModelHandle The sound model handle to stop listening to

View File

@@ -984,7 +984,8 @@ public class AlwaysOnHotwordDetector extends AbstractDetector {
new KeyphraseRecognitionEvent(status, soundModelHandle, captureAvailable,
captureSession, captureDelayMs, capturePreambleMs, triggerInData,
captureFormat, data, keyphraseRecognitionExtras.toArray(
new KeyphraseRecognitionExtra[0]), halEventReceivedMillis),
new KeyphraseRecognitionExtra[0]), halEventReceivedMillis,
new Binder()),
mInternalCallback);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();

View File

@@ -79,8 +79,9 @@ interface ISoundTriggerModule {
*
* May throw a ServiceSpecificException with an RESOURCE_CONTENTION status to indicate that
* resources required for starting the model are currently consumed by other clients.
* @return - A token delivered along with future recognition events.
*/
void startRecognition(int modelHandle, in RecognitionConfig config);
IBinder startRecognition(int modelHandle, in RecognitionConfig config);
/**
* Stop a recognition of a previously active recognition. Will NOT generate a recognition event.

View File

@@ -33,4 +33,9 @@ parcelable PhraseRecognitionEventSys {
*/
// @ElapsedRealtimeLong
long halEventReceivedMillis = -1;
/**
* Token relating this event to a particular recognition session, returned by
* {@link ISoundTriggerModule.startRecognition(int, RecognitionConfig}
*/
IBinder token;
}

View File

@@ -33,4 +33,9 @@ parcelable RecognitionEventSys {
*/
// @ElapsedRealtimeLong
long halEventReceivedMillis = -1;
/**
* Token relating this event to a particular recognition session, returned by
* {@link ISoundTriggerModule.startRecognition(int, RecognitionConfig}
*/
IBinder token;
}

View File

@@ -28,6 +28,7 @@ import android.os.Parcel;
import android.test.InstrumentationTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.test.suitebuilder.annotation.SmallTest;
import android.os.Binder;
import java.util.Arrays;
import java.util.Locale;
@@ -346,7 +347,8 @@ public class SoundTriggerTest extends InstrumentationTestCase {
.build(),
null /* data */,
null /* keyphraseExtras */,
12345678 /* halEventReceivedMillis */);
12345678 /* halEventReceivedMillis */,
new Binder() /* token */);
// Write to a parcel
Parcel parcel = Parcel.obtain();
@@ -379,7 +381,8 @@ public class SoundTriggerTest extends InstrumentationTestCase {
.build(),
new byte[1] /* data */,
kpExtra,
12345678 /* halEventReceivedMillis */);
12345678 /* halEventReceivedMillis */,
new Binder() /* token */);
// Write to a parcel
Parcel parcel = Parcel.obtain();
@@ -428,7 +431,8 @@ public class SoundTriggerTest extends InstrumentationTestCase {
.build(),
data,
kpExtra,
12345678 /* halEventReceivedMillis */);
12345678 /* halEventReceivedMillis */,
new Binder() /* token */);
// Write to a parcel
Parcel parcel = Parcel.obtain();

View File

@@ -225,13 +225,6 @@ public class SoundTriggerMiddlewareImplTest {
// Stop the recognition.
stopRecognition(module, handle, hwHandle);
ArgumentCaptor<RecognitionEventSys> eventCaptor = ArgumentCaptor.forClass(
RecognitionEventSys.class);
verify(callback).onRecognition(eq(handle), eventCaptor.capture(), eq(101));
RecognitionEventSys lastEvent = eventCaptor.getValue();
assertEquals(-1, lastEvent.halEventReceivedMillis);
assertEquals(RecognitionStatus.ABORTED, lastEvent.recognitionEvent.status);
// Unload the model.
unloadModel(module, handle, hwHandle);
module.detach();
@@ -276,13 +269,6 @@ public class SoundTriggerMiddlewareImplTest {
// Stop the recognition.
stopRecognition(module, handle, hwHandle);
ArgumentCaptor<PhraseRecognitionEventSys> eventCaptor = ArgumentCaptor.forClass(
PhraseRecognitionEventSys.class);
verify(callback).onPhraseRecognition(eq(handle), eventCaptor.capture(), eq(101));
PhraseRecognitionEventSys lastEvent = eventCaptor.getValue();
assertEquals(-1, lastEvent.halEventReceivedMillis);
assertEquals(RecognitionStatus.ABORTED, lastEvent.phraseRecognitionEvent.common.status);
// Unload the model.
unloadModel(module, handle, hwHandle);
module.detach();

View File

@@ -40,6 +40,7 @@ import android.hardware.soundtrigger.SoundTriggerModule;
import android.os.Binder;
import android.os.DeadObjectException;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.RemoteException;
@@ -487,7 +488,7 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
}
}
if (unloadModel && (modelData.isModelLoaded() || modelData.isStopPending())) {
if (unloadModel && modelData.isModelLoaded()) {
Slog.d(TAG, "Unloading previously loaded stale model.");
if (mModule == null) {
return STATUS_ERROR;
@@ -788,6 +789,10 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
return;
}
ModelData model = getModelDataForLocked(event.soundModelHandle);
if (!Objects.equals(event.getToken(), model.getToken())) {
// Stale event, do nothing
return;
}
if (model == null || !model.isGenericModel()) {
Slog.w(TAG, "Generic recognition event: Model does not exist for handle: "
+ event.soundModelHandle);
@@ -870,7 +875,11 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
Slog.w(TAG, "Recognition aborted");
MetricsLogger.count(mContext, "sth_recognition_aborted", 1);
ModelData modelData = getModelDataForLocked(event.soundModelHandle);
if (modelData != null && (modelData.isModelStarted() || modelData.isStopPending())) {
if (!Objects.equals(event.getToken(), modelData.getToken())) {
// Stale event, do nothing
return;
}
if (modelData != null && modelData.isModelStarted()) {
modelData.setStopped();
try {
IRecognitionStatusCallback callback = modelData.getCallback();
@@ -884,7 +893,6 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
.printLog(ALOGW, TAG));
forceStopAndUnloadModelLocked(modelData, e);
}
updateRecognitionLocked(modelData, true);
}
}
@@ -908,6 +916,10 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
MetricsLogger.count(mContext, "sth_keyphrase_recognition_event", 1);
int keyphraseId = getKeyphraseIdFromEvent(event);
ModelData modelData = getKeyphraseModelDataLocked(keyphraseId);
if (!Objects.equals(event.getToken(), modelData.getToken())) {
// Stale event, do nothing
return;
}
if (modelData == null || !modelData.isKeyphraseModel()) {
Slog.e(TAG, "Keyphase model data does not exist for ID:" + keyphraseId);
@@ -955,7 +967,7 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
private int updateRecognitionLocked(ModelData model, boolean notifyClientOnError) {
boolean shouldStartModel = model.isRequested() && isRecognitionAllowedByDeviceState(model);
if (shouldStartModel == model.isModelStarted() || model.isStopPending()) {
if (shouldStartModel == model.isModelStarted()) {
// No-op.
return STATUS_OK;
}
@@ -1060,10 +1072,7 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
if (mModule == null) {
return;
}
if (modelData.isStopPending()) {
// No need to wait for the stop to be confirmed.
modelData.setStopped();
} else if (modelData.isModelStarted()) {
if (modelData.isModelStarted()) {
Slog.d(TAG, "Stopping previously started dangling model " + modelData.getHandle());
if (mModule.stopRecognition(modelData.getHandle()) == STATUS_OK) {
modelData.setStopped();
@@ -1207,7 +1216,12 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
if (mModule == null) {
return STATUS_ERROR;
}
int status = mModule.startRecognition(modelData.getHandle(), config);
int status = STATUS_OK;
try {
modelData.setToken(mModule.startRecognitionWithToken(modelData.getHandle(), config));
} catch (Exception e) {
status = SoundTrigger.handleException(e);
}
if (status != SoundTrigger.STATUS_OK) {
Slog.w(TAG, "startRecognition failed with " + status);
MetricsLogger.count(mContext, "sth_start_recognition_error", 1);
@@ -1275,7 +1289,7 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
}
}
} else {
modelData.setStopPending();
modelData.setStopped();
MetricsLogger.count(mContext, "sth_stop_recognition_success", 1);
// Notify of pause if needed.
if (notify) {
@@ -1322,9 +1336,6 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
// Started implies model was successfully loaded and start was called.
static final int MODEL_STARTED = 2;
// Model stop request has been sent. Waiting for an event to signal model being stopped.
static final int MODEL_STOP_PENDING = 3;
// One of MODEL_NOTLOADED, MODEL_LOADED, MODEL_STARTED (which implies loaded).
private int mModelState;
private UUID mModelId;
@@ -1365,6 +1376,9 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
// The SoundModel instance, one of KeyphraseSoundModel or GenericSoundModel.
private SoundModel mSoundModel = null;
// Token used to disambiguate recognition sessions.
private IBinder mRecognitionToken = null;
private ModelData(UUID modelId, int modelType) {
mModelId = modelId;
// Private constructor, since we require modelType to be one of TYPE_GENERIC,
@@ -1402,22 +1416,17 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
return mModelState == MODEL_NOTLOADED;
}
synchronized boolean isStopPending() {
return mModelState == MODEL_STOP_PENDING;
}
synchronized void setStarted() {
mModelState = MODEL_STARTED;
}
synchronized void setStopped() {
// If we are moving to the stopped state, we should clear out our
// startRecognition token
mRecognitionToken = null;
mModelState = MODEL_LOADED;
}
synchronized void setStopPending() {
mModelState = MODEL_STOP_PENDING;
}
synchronized void setLoaded() {
mModelState = MODEL_LOADED;
}
@@ -1486,6 +1495,14 @@ public class SoundTriggerHelper implements SoundTrigger.StatusListener {
return mSoundModel;
}
synchronized IBinder getToken() {
return mRecognitionToken;
}
synchronized void setToken(IBinder token) {
mRecognitionToken = token;
}
synchronized int getModelType() {
return mModelType;
}

View File

@@ -256,7 +256,7 @@ public class SoundTriggerHalEnforcer implements ISoundTriggerHal {
public void recognitionCallback(int model, RecognitionEventSys event) {
synchronized (mModelStates) {
ModelState state = mModelStates.get(model);
if (state == null || state == ModelState.INACTIVE) {
if (state == null) {
Log.wtfStack(TAG, "Unexpected recognition event for model: " + model);
reboot();
return;
@@ -282,7 +282,7 @@ public class SoundTriggerHalEnforcer implements ISoundTriggerHal {
public void phraseRecognitionCallback(int model, PhraseRecognitionEventSys event) {
synchronized (mModelStates) {
ModelState state = mModelStates.get(model);
if (state == null || state == ModelState.INACTIVE) {
if (state == null) {
Log.wtfStack(TAG, "Unexpected recognition event for model: " + model);
reboot();
return;

View File

@@ -241,13 +241,14 @@ public class SoundTriggerMiddlewareLogging implements ISoundTriggerMiddlewareInt
}
@Override
public void startRecognition(int modelHandle, RecognitionConfig config)
public IBinder startRecognition(int modelHandle, RecognitionConfig config)
throws RemoteException {
try {
mDelegate.startRecognition(modelHandle, config);
mEventLogger.enqueue(SessionEvent.createForVoid(
START_RECOGNITION, modelHandle, config)
var result = mDelegate.startRecognition(modelHandle, config);
mEventLogger.enqueue(SessionEvent.createForReturn(
START_RECOGNITION, result, modelHandle, config)
.printLog(ALOGI, TAG));
return result;
} catch (Exception e) {
mEventLogger.enqueue(SessionEvent.createForException(
START_RECOGNITION, e, modelHandle, config)

View File

@@ -241,10 +241,10 @@ public class SoundTriggerMiddlewarePermission implements ISoundTriggerMiddleware
}
@Override
public void startRecognition(int modelHandle, @NonNull RecognitionConfig config)
public IBinder startRecognition(int modelHandle, @NonNull RecognitionConfig config)
throws RemoteException {
enforcePermissions();
mDelegate.startRecognition(modelHandle, config);
return mDelegate.startRecognition(modelHandle, config);
}
@Override

View File

@@ -34,6 +34,7 @@ import android.media.soundtrigger_middleware.ISoundTriggerInjection;
import android.media.soundtrigger_middleware.ISoundTriggerMiddlewareService;
import android.media.soundtrigger_middleware.ISoundTriggerModule;
import android.media.soundtrigger_middleware.SoundTriggerModuleDescriptor;
import android.os.IBinder;
import android.os.RemoteException;
import com.android.server.SystemService;
@@ -176,10 +177,10 @@ public class SoundTriggerMiddlewareService extends ISoundTriggerMiddlewareServic
}
@Override
public void startRecognition(int modelHandle, RecognitionConfig config)
public IBinder startRecognition(int modelHandle, RecognitionConfig config)
throws RemoteException {
try (SafeCloseable ignored = ClearCallingIdentityContext.create()) {
mDelegate.startRecognition(modelHandle, config);
return mDelegate.startRecognition(modelHandle, config);
}
}

View File

@@ -434,7 +434,7 @@ public class SoundTriggerMiddlewareValidation implements ISoundTriggerMiddleware
}
@Override
public void startRecognition(int modelHandle, @NonNull RecognitionConfig config) {
public IBinder startRecognition(int modelHandle, @NonNull RecognitionConfig config) {
// Input validation.
ValidationUtil.validateRecognitionConfig(config);
@@ -458,9 +458,10 @@ public class SoundTriggerMiddlewareValidation implements ISoundTriggerMiddleware
// From here on, every exception isn't client's fault.
try {
mDelegate.startRecognition(modelHandle, config);
var result = mDelegate.startRecognition(modelHandle, config);
modelState.config = config;
modelState.activityState = ModelState.Activity.ACTIVE;
return result;
} catch (Exception e) {
throw handleException(e);
}

View File

@@ -23,7 +23,6 @@ import android.media.soundtrigger.PhraseSoundModel;
import android.media.soundtrigger.Properties;
import android.media.soundtrigger.RecognitionConfig;
import android.media.soundtrigger.SoundModel;
import android.media.soundtrigger.SoundModelType;
import android.media.soundtrigger.Status;
import android.media.soundtrigger_middleware.ISoundTriggerCallback;
import android.media.soundtrigger_middleware.ISoundTriggerModule;
@@ -304,10 +303,10 @@ class SoundTriggerModule implements IBinder.DeathRecipient, ISoundTriggerHal.Glo
}
@Override
public void startRecognition(int modelHandle, @NonNull RecognitionConfig config) {
public IBinder startRecognition(int modelHandle, @NonNull RecognitionConfig config) {
synchronized (SoundTriggerModule.this) {
checkValid();
mLoadedModels.get(modelHandle).startRecognition(config);
return mLoadedModels.get(modelHandle).startRecognition(config);
}
}
@@ -385,8 +384,9 @@ class SoundTriggerModule implements IBinder.DeathRecipient, ISoundTriggerHal.Glo
private class Model implements ISoundTriggerHal.ModelCallback {
public int mHandle;
private ModelState mState = ModelState.INIT;
private int mType = SoundModelType.INVALID;
private SoundTriggerMiddlewareImpl.AudioSessionProvider.AudioSession mSession;
private IBinder mRecognitionToken = null;
private boolean mIsStopping = false;
private @NonNull
ModelState getState() {
@@ -402,7 +402,6 @@ class SoundTriggerModule implements IBinder.DeathRecipient, ISoundTriggerHal.Glo
SoundTriggerMiddlewareImpl.AudioSessionProvider.AudioSession audioSession) {
mSession = audioSession;
mHandle = mHalService.loadSoundModel(model, this);
mType = SoundModelType.GENERIC;
setState(ModelState.LOADED);
mLoadedModels.put(mHandle, this);
return mHandle;
@@ -412,7 +411,7 @@ class SoundTriggerModule implements IBinder.DeathRecipient, ISoundTriggerHal.Glo
SoundTriggerMiddlewareImpl.AudioSessionProvider.AudioSession audioSession) {
mSession = audioSession;
mHandle = mHalService.loadPhraseSoundModel(model, this);
mType = SoundModelType.KEYPHRASE;
setState(ModelState.LOADED);
mLoadedModels.put(mHandle, this);
return mHandle;
@@ -428,10 +427,15 @@ class SoundTriggerModule implements IBinder.DeathRecipient, ISoundTriggerHal.Glo
return mSession.mSessionHandle;
}
private void startRecognition(@NonNull RecognitionConfig config) {
private IBinder startRecognition(@NonNull RecognitionConfig config) {
if (mIsStopping == true) {
throw new RecoverableException(Status.INTERNAL_ERROR, "Race occurred");
}
mHalService.startRecognition(mHandle, mSession.mDeviceHandle,
mSession.mIoHandle, config);
mRecognitionToken = new Binder();
setState(ModelState.ACTIVE);
return mRecognitionToken;
}
private void stopRecognition() {
@@ -440,35 +444,13 @@ class SoundTriggerModule implements IBinder.DeathRecipient, ISoundTriggerHal.Glo
// This call is idempotent in order to avoid races.
return;
}
mRecognitionToken = null;
mIsStopping = true;
}
// This must be invoked outside the lock.
mHalService.stopRecognition(mHandle);
// No more callbacks for this model after this point.
synchronized (SoundTriggerModule.this) {
// Generate an abortion callback to the client if the model is still active.
if (getState() == ModelState.ACTIVE) {
if (mCallback != null) {
try {
switch (mType) {
case SoundModelType.GENERIC:
mCallback.onRecognition(mHandle, AidlUtil.newAbortEvent(),
mSession.mSessionHandle);
break;
case SoundModelType.KEYPHRASE:
mCallback.onPhraseRecognition(mHandle,
AidlUtil.newAbortPhraseEvent(),
mSession.mSessionHandle);
break;
default:
throw new RuntimeException(
"Unexpected model type: " + mType);
}
} catch (RemoteException e) {
}
}
setState(ModelState.LOADED);
}
mIsStopping = false;
setState(ModelState.LOADED);
}
}
@@ -502,9 +484,13 @@ class SoundTriggerModule implements IBinder.DeathRecipient, ISoundTriggerHal.Glo
@NonNull RecognitionEventSys event) {
ISoundTriggerCallback callback;
synchronized (SoundTriggerModule.this) {
if (mRecognitionToken == null) {
return;
}
if (!event.recognitionEvent.recognitionStillActive) {
setState(ModelState.LOADED);
}
event.token = mRecognitionToken;
callback = mCallback;
}
// The callback must be invoked outside of the lock.
@@ -523,12 +509,15 @@ class SoundTriggerModule implements IBinder.DeathRecipient, ISoundTriggerHal.Glo
@NonNull PhraseRecognitionEventSys event) {
ISoundTriggerCallback callback;
synchronized (SoundTriggerModule.this) {
if (mRecognitionToken == null) {
return;
}
if (!event.phraseRecognitionEvent.common.recognitionStillActive) {
setState(ModelState.LOADED);
}
event.token = mRecognitionToken;
callback = mCallback;
}
// The callback must be invoked outside of the lock.
try {
if (callback != null) {
@@ -559,5 +548,4 @@ class SoundTriggerModule implements IBinder.DeathRecipient, ISoundTriggerHal.Glo
}
}
}
}