LineageOS/android_development
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

added explicit trace events for AudioRecord

Browse Source 
In the VoiceInteractionService sample app, each call to the AudioRecord
is tracked via trace to observe latency.

Bug: 19833161
Test: manual
Change-Id: I24f4b939c7e2eee77399439bc28a9dbce5594129
This commit is contained in:
Nicholas Ambur
2022-09-08 12:23:46 -07:00
parent 010ca91cc7
commit 188fca534f
3 changed files with 17 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
samples/VoiceInteractionService/src/com/example/android/voiceinteractor/AudioUtils.java
View File

@@ -17,12 +17,15 @@
package com.example.android.voiceinteractor;
import android.media.AudioRecord;
import android.os.Trace;
import android.util.Log;
import java.time.Duration;
import java.util.Arrays;
public class AudioUtils {
private static final String TAG = "Hotword-AudioUtils";
private static final Duration AUDIO_RECORD_READ_DURATION = Duration.ofSeconds(1);
static int read(AudioRecord record, int bytesPerSecond, float secondsToRead, byte[] buffer) {
Log.i(TAG, "read(): bytesPerSecond=" + bytesPerSecond
@@ -30,8 +33,12 @@ public class AudioUtils {
int numBytes = 0;
int nextSecondToSample = 0;
while (true) {
int bytesRead = record.read(buffer, numBytes, Math.round(bytesPerSecond * secondsToRead));
Log.i(TAG, "AudioRecord.read offset=" + numBytes + ", size=" + Math.round(bytesPerSecond * secondsToRead));
Trace.beginAsyncSection("AudioUtils.read", 0);
int bytesRead = record.read(buffer, numBytes,
(int) (bytesPerSecond * AUDIO_RECORD_READ_DURATION.getSeconds()));
Trace.endAsyncSection("AudioUtils.read", 0);
Log.i(TAG, "AudioRecord.read offset=" + numBytes + ", size="
+ (bytesPerSecond * AUDIO_RECORD_READ_DURATION.getSeconds()));
numBytes += bytesRead;
if (bytesRead <= 0) {

4
samples/VoiceInteractionService/src/com/example/android/voiceinteractor/SampleHotwordDetectionService.java
View File

@@ -41,8 +41,8 @@ public class SampleHotwordDetectionService extends HotwordDetectionService {
static final String TAG = "SHotwordDetectionSrvc";
// AudioRecord config
private static final Duration AUDIO_RECORD_BUFFER_DURATION = Duration.ofSeconds(1);
private static final Duration DSP_AUDIO_READ_DURATION = Duration.ofSeconds(5);
private static final Duration AUDIO_RECORD_BUFFER_DURATION = Duration.ofSeconds(5);
private static final Duration DSP_AUDIO_READ_DURATION = Duration.ofSeconds(3);
private static final Duration AUDIO_RECORD_RELEASE_TIMEOUT = Duration.ofSeconds(10);
private static AudioRecord createAudioRecord(AlwaysOnHotwordDetector.EventPayload eventPayload,

10
samples/VoiceInteractionService/src/com/example/android/voiceinteractor/SampleVoiceInteractionService.java
View File

@@ -49,7 +49,7 @@ public class SampleVoiceInteractionService extends VoiceInteractionService {
// AudioRecord config
private static final Duration AUDIO_RECORD_BUFFER_DURATION = Duration.ofSeconds(5);
private static final Duration AUDIO_READ_DURATION = Duration.ofSeconds(5);
private static final Duration AUDIO_READ_DURATION = Duration.ofSeconds(3);
// DSP model config
private static final Locale DSP_MODEL_LOCALE = Locale.US;
@@ -192,8 +192,8 @@ public class SampleVoiceInteractionService extends VoiceInteractionService {
// AudioRecord record = createAudioRecord(eventPayload, bytesPerSecond, sessionId);
AudioRecord record = createAudioRecord(eventPayload, bytesPerSecond);
Trace.endAsyncSection("SampleVoiceInteractionService.createAudioRecord", 1);
if (record.getState() != AudioRecord.STATE_INITIALIZED) {
Trace.endAsyncSection("SampleVoiceInteractionService.createAudioRecord", 1);
Trace.setCounter("SampleVoiceInteractionService AudioRecord.STATE_INITIALIZED",
record.getState());
Log.e(TAG, "Failed to init first AudioRecord.");
@@ -206,9 +206,13 @@ public class SampleVoiceInteractionService extends VoiceInteractionService {
}
byte[] buffer = new byte[bytesPerSecond * (int) AUDIO_READ_DURATION.getSeconds()];
Trace.beginAsyncSection("SampleVoiceInteractionService.startRecording", 1);
record.startRecording();
Trace.endAsyncSection("SampleVoiceInteractionService.startRecording", 1);
Trace.beginAsyncSection("SampleVoiceInteractionService.read", 1);
int numBytes = AudioUtils.read(record, bytesPerSecond, AUDIO_READ_DURATION.getSeconds(),
buffer);
Trace.endAsyncSection("SampleVoiceInteractionService.read", 1);
// try {
// Thread.sleep(2000);
@@ -218,8 +222,6 @@ public class SampleVoiceInteractionService extends VoiceInteractionService {
// }
Trace.endAsyncSection("SampleVoiceInteractionService.createAudioRecord", 1);
Trace.setCounter("SampleVoiceInteractionService Read Complete", numBytes);
record.stop();
record.release();