blob: 9af7e14c0acfbf7bc9a50819834fcf0126294a36 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.cts.verifier.audio;
import static com.android.cts.verifier.TestListActivity.sCurrentDisplayMode;
import static com.android.cts.verifier.TestListAdapter.setTestNameSuffix;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import com.android.cts.verifier.R;
import com.android.cts.verifier.audio.audiolib.AudioSystemParams;
import org.hyphonate.megaaudio.recorder.AudioSinkProvider;
import org.hyphonate.megaaudio.recorder.Recorder;
import org.hyphonate.megaaudio.recorder.RecorderBuilder;
import org.hyphonate.megaaudio.recorder.sinks.AppCallback;
import org.hyphonate.megaaudio.recorder.sinks.AppCallbackAudioSink;
import org.hyphonate.megaaudio.recorder.sinks.AppCallbackAudioSinkProvider;
/**
* CTS-Test for cold-start latency measurements
*/
public class AudioInColdStartLatencyActivity
extends AudioColdStartBaseActivity {
private static final String TAG = "AudioInColdStartLatencyActivity";
private static final boolean DEBUG = false;
private static final int LATENCY_MS_MUST = 500; // CDD C-3-2
private static final int LATENCY_MS_RECOMMEND = 100; // CDD C-SR
// MegaAudio
private Recorder mRecorder;
private TextView mCallbackDeltaTxt;
private long mPreviousCallbackTime;
private long mCallbackDeltaTime;
private long mNominalCallbackDelta;
private long mCallbackThresholdTime;
private long mAccumulatedTime;
private long mNumCallbacks;
@Override
protected void onCreate(Bundle savedInstanceState) {
setContentView(R.layout.audio_coldstart_in_activity);
super.onCreate(savedInstanceState);
// mCallbackDeltaTxt = (TextView) findViewById(R.id.coldstart_inCallbackDeltaTxt);
setPassFailButtonClickListeners();
getPassButton().setEnabled(false);
setInfoResources(
R.string.audio_coldstart_inputlbl, R.string.audio_coldstart_input_info, -1);
}
@Override
public String getTestId() {
return setTestNameSuffix(sCurrentDisplayMode, getClass().getName());
}
boolean calcTestResult() {
boolean pass = mColdStartlatencyMS <= LATENCY_MS_MUST;
getPassButton().setEnabled(pass);
return pass;
}
double calcColdStartLatency() {
mColdStartlatencyMS = nanosToMs(mPreviousCallbackTime - mPreOpenTime);
return mColdStartlatencyMS;
}
void showInResults() {
showColdStartLatency();
calcTestResult();
}
protected void stopAudio() {
stopAudioTest();
}
//
// Audio Streaming
//
@Override
boolean startAudioTest() {
AudioSystemParams audioSystemParams = new AudioSystemParams();
audioSystemParams.init(this);
mSampleRate = audioSystemParams.getSystemSampleRate();
mNumBufferFrames = audioSystemParams.getSystemBurstFrames();
mAccumulatedTime = 0;
mNumCallbacks = 0;
AudioSinkProvider sinkProvider =
new AppCallbackAudioSinkProvider(new ColdStartAppCallback());
try {
mPreOpenTime = System.nanoTime();
mRecorder = (new RecorderBuilder())
.setRecorderType(mAudioApi)
.setAudioSinkProvider(sinkProvider)
.build();
mRecorder.setupStream(NUM_CHANNELS, mSampleRate, mNumBufferFrames);
mPostOpenTime = System.nanoTime();
mIsTestRunning = true;
} catch (RecorderBuilder.BadStateException badStateException) {
mResultsTxt.setText("Can't Start Recorder.");
Log.e(TAG, "BadStateException: " + badStateException);
mIsTestRunning = false;
}
mPreStartTime = System.nanoTime();
mRecorder.startStream();
mPostStartTime = System.nanoTime();
showOpenTime();
showStartTime();
if (mIsTestRunning) {
mStartBtn.setEnabled(false);
mStopBtn.setEnabled(true);
}
return mIsTestRunning;
}
@Override
void stopAudioTest() {
if (!mIsTestRunning) {
return;
}
mRecorder.stopStream();
mIsTestRunning = false;
mStartBtn.setEnabled(true);
mStopBtn.setEnabled(false);
calcColdStartLatency();
showInResults();
}
// Callback for Recorder
/*
* Monitor callbacks until they become consistent (i.e. delta between callbacks is below
* some threshold like 1/8 the "nominal" callback time. This is defined as the "cold start
* latency". Calculate that time and display the results.
*/
class ColdStartAppCallback implements AppCallback {
public void onDataReady(float[] audioData, int numFrames) {
mNumCallbacks++;
long time = System.nanoTime();
if (mPreviousCallbackTime == 0) {
mNumBufferFrames = numFrames;
mNominalCallbackDelta
= (long)((1000000000.0 * (double) mNumBufferFrames) / (double) mSampleRate);
mCallbackThresholdTime = mNominalCallbackDelta + (mNominalCallbackDelta / 8);
// update attributes with actual buffer size
// showAttributes();
mPreviousCallbackTime = time;
} else {
mCallbackDeltaTime = time - mPreviousCallbackTime;
mPreviousCallbackTime = time;
mAccumulatedTime += mCallbackDeltaTime;
if (mCallbackDeltaTime < mCallbackThresholdTime) {
runOnUiThread(new Runnable() {
@Override
public void run() {
stopAudioTest();
}
});
}
}
}
}
}
|
