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Commit f74101e6 authored by Nicholas Ambur's avatar Nicholas Ambur
Browse files

only start latency measurement on successful phrase triggers 

Bug: 265850090
Test: atest SoundTriggerMiddlewareLoggingTest
Change-Id: Ifaba86daea8ab92551ed75a251cd3a6ca55ffaed
Merged-In: Ifaba86daea8ab92551ed75a251cd3a6ca55ffaed
parent ca9e12ee

services/core/java/com/android/server/soundtrigger_middleware/SoundTriggerMiddlewareLogging.java

+11 −4
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ import android.media.soundtrigger.PhraseRecognitionEvent; 
import android.media.soundtrigger.PhraseSoundModel;

import android.media.soundtrigger.RecognitionConfig;

import android.media.soundtrigger.RecognitionEvent;

import android.media.soundtrigger.RecognitionStatus;

import android.media.soundtrigger.SoundModel;

import android.media.soundtrigger_middleware.ISoundTriggerCallback;

import android.media.soundtrigger_middleware.ISoundTriggerModule;
@@ -34,6 +35,7 @@ import android.os.IBinder; 
import android.os.RemoteException;

import android.util.Log;



import com.android.internal.util.ArrayUtils;

import com.android.internal.util.LatencyTracker;



import java.io.PrintWriter;
@@ -358,14 +360,19 @@ public class SoundTriggerMiddlewareLogging implements ISoundTriggerMiddlewareInt 
             * Starts the latency tracking log for keyphrase hotword invocation.

             * The measurement covers from when the SoundTrigger HAL emits an event to when the

             * {@link android.service.voice.VoiceInteractionSession} system UI view is shown.

             *

             * <p>The session is only started if the {@link PhraseRecognitionEvent} has a status of

             * {@link RecognitionStatus#SUCCESS}

             */

            private void startKeyphraseEventLatencyTracking(PhraseRecognitionEvent event) {

                String latencyTrackerTag = null;

                if (event.phraseExtras.length > 0) {

                    latencyTrackerTag = "KeyphraseId=" + event.phraseExtras[0].id;

                if (event.common.status != RecognitionStatus.SUCCESS

                        || ArrayUtils.isEmpty(event.phraseExtras)) {

                    return;

                }



                LatencyTracker latencyTracker = LatencyTracker.getInstance(mContext);

                // To avoid adding cancel to all of the different failure modes between here and

                String latencyTrackerTag = "KeyphraseId=" + event.phraseExtras[0].id;

                // To avoid adding cancel to all the different failure modes between here and

                // showing the system UI, we defensively cancel once.

                // Either we hit the LatencyTracker timeout of 15 seconds or we defensively cancel

                // here if any error occurs.