Ricardo Garcia | a01018e | 2015-08-13 10:20:18 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.cts.verifier.audio; |
| 18 | |
| 19 | import com.android.cts.verifier.PassFailButtons; |
| 20 | import com.android.cts.verifier.R; |
| 21 | import com.android.cts.verifier.audio.wavelib.*; |
| 22 | import com.android.compatibility.common.util.ReportLog; |
| 23 | import com.android.compatibility.common.util.ResultType; |
| 24 | import com.android.compatibility.common.util.ResultUnit; |
| 25 | import android.content.Context; |
| 26 | import android.content.BroadcastReceiver; |
| 27 | import android.content.Intent; |
| 28 | import android.content.IntentFilter; |
| 29 | |
| 30 | import android.media.AudioDeviceCallback; |
| 31 | import android.media.AudioDeviceInfo; |
| 32 | import android.media.AudioFormat; |
| 33 | import android.media.AudioManager; |
| 34 | import android.media.AudioTrack; |
| 35 | import android.media.AudioRecord; |
| 36 | import android.media.MediaRecorder; |
| 37 | |
| 38 | import android.os.Bundle; |
| 39 | import android.os.Handler; |
| 40 | import android.os.Message; |
| 41 | import android.os.SystemClock; |
| 42 | |
| 43 | import android.util.Log; |
| 44 | |
| 45 | import android.view.View; |
| 46 | import android.view.View.OnClickListener; |
| 47 | |
| 48 | import android.widget.Button; |
| 49 | import android.widget.TextView; |
| 50 | import android.widget.SeekBar; |
| 51 | import android.widget.LinearLayout; |
| 52 | import android.widget.ProgressBar; |
| 53 | |
| 54 | /** |
| 55 | * Tests Audio built in Microphone response using external speakers and USB reference microphone. |
| 56 | */ |
| 57 | public class AudioFrequencyMicActivity extends PassFailButtons.Activity implements Runnable, |
| 58 | AudioRecord.OnRecordPositionUpdateListener { |
| 59 | private static final String TAG = "AudioFrequencyMicActivity"; |
| 60 | |
| 61 | private static final int TEST_STARTED = 900; |
| 62 | private static final int TEST_ENDED = 901; |
| 63 | private static final int TEST_MESSAGE = 902; |
| 64 | private static final int TEST1_MESSAGE = 903; |
| 65 | private static final int TEST1_ENDED = 904; |
| 66 | private static final double MIN_ENERGY_BAND_1 = -50.0; //dB Full Scale |
| 67 | private static final double MAX_ENERGY_BAND_1_BASE = -60.0; //dB Full Scale |
| 68 | private static final double MIN_FRACTION_POINTS_IN_BAND = 0.3; |
| 69 | private static final double MAX_VAL = Math.pow(2, 15); |
| 70 | private static final double CLIP_LEVEL = (MAX_VAL-10) / MAX_VAL; |
| 71 | |
| 72 | final OnBtnClickListener mBtnClickListener = new OnBtnClickListener(); |
| 73 | Context mContext; |
| 74 | |
| 75 | Button mSpeakersReady; //user signal to have connected external speakers |
| 76 | Button mTest1Button; //execute test 1 |
| 77 | Button mUsbMicReady; //user signal to have connected USB Microphone |
| 78 | Button mTest2Button; //user to start test |
| 79 | String mUsbDevicesInfo; //usb device info for report |
| 80 | LinearLayout mLayoutTest1; |
| 81 | LinearLayout mLayoutTest2a; |
| 82 | LinearLayout mLayoutTest2b; |
| 83 | |
| 84 | TextView mSpeakerReadyText; |
| 85 | TextView mTest2Result; |
| 86 | TextView mUsbStatusText; |
| 87 | TextView mTest1Result; |
| 88 | ProgressBar mProgressBar; |
| 89 | |
| 90 | private boolean mIsRecording = false; |
| 91 | private final Object mRecordingLock = new Object(); |
| 92 | private AudioRecord mRecorder; |
| 93 | private int mMinRecordBufferSizeInSamples = 0; |
| 94 | private short[] mAudioShortArray; |
| 95 | private short[] mAudioShortArray2; |
| 96 | |
| 97 | private final int mBlockSizeSamples = 1024; |
| 98 | private final int mSamplingRate = 48000; |
| 99 | private final int mSelectedRecordSource = MediaRecorder.AudioSource.VOICE_RECOGNITION; |
| 100 | private final int mChannelConfig = AudioFormat.CHANNEL_IN_MONO; |
| 101 | private final int mAudioFormat = AudioFormat.ENCODING_PCM_16BIT; |
| 102 | private Thread mRecordThread; |
| 103 | |
| 104 | PipeShort mPipe = new PipeShort(65536); |
| 105 | SoundPlayerObject mSPlayer; |
| 106 | |
| 107 | private DspBufferComplex mC; |
| 108 | private DspBufferDouble mData; |
| 109 | |
| 110 | private DspWindow mWindow; |
| 111 | private DspFftServer mFftServer; |
| 112 | private VectorAverage mFreqAverageMain = new VectorAverage(); |
| 113 | |
| 114 | private VectorAverage mFreqAverageBase = new VectorAverage(); |
| 115 | private VectorAverage mFreqAverageBuiltIn = new VectorAverage(); |
| 116 | private VectorAverage mFreqAverageReference = new VectorAverage(); |
| 117 | |
| 118 | private int mCurrentTest = -1; |
| 119 | int mBands = 4; |
| 120 | AudioBandSpecs[] bandSpecsArray = new AudioBandSpecs[mBands]; |
| 121 | AudioBandSpecs[] baseBandSpecsArray = new AudioBandSpecs[mBands]; |
| 122 | |
| 123 | int mMaxLevel; |
| 124 | private class OnBtnClickListener implements OnClickListener { |
| 125 | @Override |
| 126 | public void onClick(View v) { |
| 127 | switch (v.getId()) { |
| 128 | case R.id.audio_frequency_mic_speakers_ready_btn: |
| 129 | testSpeakersReady(); |
| 130 | break; |
| 131 | case R.id.audio_frequency_mic_test1_btn: |
| 132 | startTest1(); |
| 133 | break; |
| 134 | case R.id.audio_frequency_mic_mic_ready_btn: |
| 135 | testUSB(); |
| 136 | break; |
| 137 | case R.id.audio_frequency_mic_test2_btn: |
| 138 | startTest2(); |
| 139 | break; |
| 140 | } |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | @Override |
| 145 | protected void onCreate(Bundle savedInstanceState) { |
| 146 | super.onCreate(savedInstanceState); |
| 147 | setContentView(R.layout.audio_frequency_mic_activity); |
| 148 | mContext = this; |
| 149 | mSpeakerReadyText = (TextView) findViewById(R.id.audio_frequency_mic_speakers_ready_status); |
| 150 | |
| 151 | mSpeakersReady = (Button)findViewById(R.id.audio_frequency_mic_speakers_ready_btn); |
| 152 | mSpeakersReady.setOnClickListener(mBtnClickListener); |
| 153 | mTest1Button = (Button)findViewById(R.id.audio_frequency_mic_test1_btn); |
| 154 | mTest1Button.setOnClickListener(mBtnClickListener); |
| 155 | mTest1Result = (TextView)findViewById(R.id.audio_frequency_mic_results1_text); |
| 156 | mLayoutTest1 = (LinearLayout) findViewById(R.id.audio_frequency_mic_layout_test1); |
| 157 | mLayoutTest2a = (LinearLayout) findViewById(R.id.audio_frequency_mic_layout_test2a); |
| 158 | mLayoutTest2b = (LinearLayout) findViewById(R.id.audio_frequency_mic_layout_test2b); |
| 159 | mUsbMicReady = (Button)findViewById(R.id.audio_frequency_mic_mic_ready_btn); |
| 160 | mUsbMicReady.setOnClickListener(mBtnClickListener); |
| 161 | |
| 162 | mUsbStatusText = (TextView)findViewById(R.id.audio_frequency_mic_usb_status); |
| 163 | mTest2Button = (Button)findViewById(R.id.audio_frequency_mic_test2_btn); |
| 164 | mTest2Button.setOnClickListener(mBtnClickListener); |
| 165 | mTest2Result = (TextView)findViewById(R.id.audio_frequency_mic_results_text); |
| 166 | mProgressBar = (ProgressBar)findViewById(R.id.audio_frequency_mic_progress_bar); |
| 167 | showWait(false); |
| 168 | enableLayout(mLayoutTest1, false); |
| 169 | enableLayout(mLayoutTest2a, false); |
| 170 | enableLayout(mLayoutTest2b, false); |
| 171 | |
| 172 | mSPlayer = new SoundPlayerObject(); |
| 173 | mSPlayer.setSoundWithResId(getApplicationContext(), R.raw.stereo_mono_white_noise_48); |
| 174 | mSPlayer.setBalance(0.5f); |
| 175 | |
| 176 | //Init FFT stuff |
| 177 | mAudioShortArray2 = new short[mBlockSizeSamples*2]; |
| 178 | mData = new DspBufferDouble(mBlockSizeSamples); |
| 179 | mC = new DspBufferComplex(mBlockSizeSamples); |
| 180 | mFftServer = new DspFftServer(mBlockSizeSamples); |
| 181 | |
| 182 | int overlap = mBlockSizeSamples / 2; |
| 183 | |
| 184 | mWindow = new DspWindow(DspWindow.WINDOW_HANNING, mBlockSizeSamples, overlap); |
| 185 | |
| 186 | setPassFailButtonClickListeners(); |
| 187 | getPassButton().setEnabled(false); |
| 188 | setInfoResources(R.string.audio_frequency_mic_test, |
| 189 | R.string.audio_frequency_mic_info, -1); |
| 190 | |
| 191 | //Init bands for BuiltIn/Reference test |
| 192 | bandSpecsArray[0] = new AudioBandSpecs( |
| 193 | 50, 500, /* frequency start,stop */ |
| 194 | -20.0, -50, /* start top,bottom value */ |
| 195 | 4.0, -4.0 /* stop top,bottom value */); |
| 196 | |
| 197 | bandSpecsArray[1] = new AudioBandSpecs( |
| 198 | 500,4000, /* frequency start,stop */ |
| 199 | 4.0, -4.0, /* start top,bottom value */ |
| 200 | 4.0, -4.0 /* stop top,bottom value */); |
| 201 | |
| 202 | bandSpecsArray[2] = new AudioBandSpecs( |
| 203 | 4000, 12000, /* frequency start,stop */ |
| 204 | 4.0, -4.0, /* start top,bottom value */ |
| 205 | 5.0, -5.0 /* stop top,bottom value */); |
| 206 | |
| 207 | bandSpecsArray[3] = new AudioBandSpecs( |
| 208 | 12000, 20000, /* frequency start,stop */ |
| 209 | 5.0, -5.0, /* start top,bottom value */ |
| 210 | 5.0, -30.0 /* stop top,bottom value */); |
| 211 | |
| 212 | //Init base bands for silence |
| 213 | baseBandSpecsArray[0] = new AudioBandSpecs( |
| 214 | 50, 500, /* frequency start,stop */ |
| 215 | 40.0, -50.0, /* start top,bottom value */ |
| 216 | 5.0, -50.0 /* stop top,bottom value */); |
| 217 | |
| 218 | baseBandSpecsArray[1] = new AudioBandSpecs( |
| 219 | 500,4000, /* frequency start,stop */ |
| 220 | 5.0, -50.0, /* start top,bottom value */ |
| 221 | 5.0, -50.0 /* stop top,bottom value */); |
| 222 | |
| 223 | baseBandSpecsArray[2] = new AudioBandSpecs( |
| 224 | 4000, 12000, /* frequency start,stop */ |
| 225 | 5.0, -50.0, /* start top,bottom value */ |
| 226 | 5.0, -50.0 /* stop top,bottom value */); |
| 227 | |
| 228 | baseBandSpecsArray[3] = new AudioBandSpecs( |
| 229 | 12000, 20000, /* frequency start,stop */ |
| 230 | 5.0, -50.0, /* start top,bottom value */ |
| 231 | 5.0, -50.0 /* stop top,bottom value */); |
| 232 | |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * enable test ui elements |
| 237 | */ |
| 238 | private void enableLayout(LinearLayout layout, boolean enable) { |
| 239 | for (int i = 0; i < layout.getChildCount(); i++) { |
| 240 | View view = layout.getChildAt(i); |
| 241 | view.setEnabled(enable); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * show active progress bar |
| 247 | */ |
| 248 | private void showWait(boolean show) { |
| 249 | if (show) { |
| 250 | mProgressBar.setVisibility(View.VISIBLE); |
| 251 | } else { |
| 252 | mProgressBar.setVisibility(View.INVISIBLE); |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | private void setMaxLevel() { |
| 257 | AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE); |
| 258 | mMaxLevel = am.getStreamMaxVolume(AudioManager.STREAM_MUSIC); |
| 259 | am.setStreamVolume(AudioManager.STREAM_MUSIC, (int)(mMaxLevel), 0); |
| 260 | } |
| 261 | |
| 262 | private void setMinLevel() { |
| 263 | AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE); |
| 264 | am.setStreamVolume(AudioManager.STREAM_MUSIC, 0, 0); |
| 265 | } |
| 266 | |
| 267 | /** |
| 268 | * Start the loopback audio test |
| 269 | */ |
| 270 | private void startTest1() { |
| 271 | if (mTestThread != null && !mTestThread.isAlive()) { |
| 272 | mTestThread = null; //kill it. |
| 273 | } |
| 274 | |
| 275 | if (mTestThread == null) { |
| 276 | Log.v(TAG,"Executing test Thread"); |
| 277 | mTestThread = new Thread(mTest1Runnable); |
| 278 | //getPassButton().setEnabled(false); |
| 279 | if (!mSPlayer.isAlive()) |
| 280 | mSPlayer.start(); |
| 281 | mTestThread.start(); |
| 282 | } else { |
| 283 | Log.v(TAG,"test Thread already running."); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | Thread mTestThread; |
| 288 | Runnable mTest1Runnable = new Runnable() { |
| 289 | public void run() { |
| 290 | Message msg = Message.obtain(); |
| 291 | msg.what = TEST_STARTED; |
| 292 | mMessageHandler.sendMessage(msg); |
| 293 | |
| 294 | setMinLevel(); |
| 295 | sendMessage("Testing Background Environment"); |
| 296 | mCurrentTest = 0; |
| 297 | mSPlayer.setBalance(0.5f); |
| 298 | mFreqAverageBase.reset(); |
| 299 | play(); |
| 300 | |
| 301 | setMaxLevel(); |
| 302 | sendMessage("Testing Built in Microphone"); |
| 303 | mCurrentTest = 1; |
| 304 | mFreqAverageBuiltIn.reset(); |
| 305 | mSPlayer.setBalance(0.5f); |
| 306 | play(); |
| 307 | |
| 308 | mCurrentTest = -1; |
| 309 | sendMessage("Testing Completed"); |
| 310 | |
| 311 | Message msg2 = Message.obtain(); |
| 312 | msg2.what = TEST1_ENDED; |
| 313 | mMessageHandler.sendMessage(msg2); |
| 314 | } |
| 315 | |
| 316 | private void play() { |
| 317 | startRecording(); |
| 318 | mSPlayer.play(true); |
| 319 | |
| 320 | try { |
| 321 | Thread.sleep(2000); |
| 322 | } catch (InterruptedException e) { |
| 323 | e.printStackTrace(); |
| 324 | //restore interrupted status |
| 325 | Thread.currentThread().interrupt(); |
| 326 | } |
| 327 | |
| 328 | mSPlayer.play(false); |
| 329 | stopRecording(); |
| 330 | } |
| 331 | |
| 332 | private void sendMessage(String str) { |
| 333 | Message msg = Message.obtain(); |
| 334 | msg.what = TEST1_MESSAGE; |
| 335 | msg.obj = str; |
| 336 | mMessageHandler.sendMessage(msg); |
| 337 | } |
| 338 | }; |
| 339 | |
| 340 | /** |
| 341 | * Start the loopback audio test |
| 342 | */ |
| 343 | private void startTest2() { |
| 344 | if (mTestThread != null && !mTestThread.isAlive()) { |
| 345 | mTestThread = null; //kill it. |
| 346 | } |
| 347 | |
| 348 | if (mTestThread == null) { |
| 349 | Log.v(TAG,"Executing test2 Thread"); |
| 350 | mTestThread = new Thread(mTest2Runnable); |
| 351 | //getPassButton().setEnabled(false); |
| 352 | if (!mSPlayer.isAlive()) |
| 353 | mSPlayer.start(); |
| 354 | mTestThread.start(); |
| 355 | } else { |
| 356 | Log.v(TAG,"test Thread already running."); |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | Runnable mTest2Runnable = new Runnable() { |
| 361 | public void run() { |
| 362 | Message msg = Message.obtain(); |
| 363 | msg.what = TEST_STARTED; |
| 364 | mMessageHandler.sendMessage(msg); |
| 365 | |
| 366 | sendMessage("Testing Reference USB Microphone"); |
| 367 | mCurrentTest = 2; |
| 368 | mFreqAverageReference.reset(); |
| 369 | mSPlayer.setBalance(0.5f); |
| 370 | play(); |
| 371 | |
| 372 | mCurrentTest = -1; |
| 373 | sendMessage("Testing Completed"); |
| 374 | |
| 375 | Message msg2 = Message.obtain(); |
| 376 | msg2.what = TEST_ENDED; |
| 377 | mMessageHandler.sendMessage(msg2); |
| 378 | } |
| 379 | |
| 380 | private void play() { |
| 381 | startRecording(); |
| 382 | mSPlayer.play(true); |
| 383 | |
| 384 | try { |
| 385 | Thread.sleep(2000); |
| 386 | } catch (InterruptedException e) { |
| 387 | e.printStackTrace(); |
| 388 | //restore interrupted status |
| 389 | Thread.currentThread().interrupt(); |
| 390 | } |
| 391 | |
| 392 | mSPlayer.play(false); |
| 393 | stopRecording(); |
| 394 | } |
| 395 | |
| 396 | private void sendMessage(String str) { |
| 397 | Message msg = Message.obtain(); |
| 398 | msg.what = TEST_MESSAGE; |
| 399 | msg.obj = str; |
| 400 | mMessageHandler.sendMessage(msg); |
| 401 | } |
| 402 | }; |
| 403 | |
| 404 | private Handler mMessageHandler = new Handler() { |
| 405 | public void handleMessage(Message msg) { |
| 406 | super.handleMessage(msg); |
| 407 | switch (msg.what) { |
| 408 | case TEST_STARTED: |
| 409 | showWait(true); |
| 410 | getPassButton().setEnabled(false); |
| 411 | break; |
| 412 | case TEST_ENDED: |
| 413 | showWait(false); |
| 414 | computeTest2Results(); |
| 415 | break; |
| 416 | case TEST1_MESSAGE: { |
| 417 | String str = (String)msg.obj; |
| 418 | if (str != null) { |
| 419 | mTest1Result.setText(str); |
| 420 | } |
| 421 | } |
| 422 | break; |
| 423 | case TEST1_ENDED: |
| 424 | showWait(false); |
| 425 | computeTest1Results(); |
| 426 | break; |
| 427 | case TEST_MESSAGE: { |
| 428 | String str = (String)msg.obj; |
| 429 | if (str != null) { |
| 430 | mTest2Result.setText(str); |
| 431 | } |
| 432 | } |
| 433 | break; |
| 434 | default: |
| 435 | Log.e(TAG, String.format("Unknown message: %d", msg.what)); |
| 436 | } |
| 437 | } |
| 438 | }; |
| 439 | |
| 440 | private class Results { |
| 441 | private String mLabel; |
| 442 | public double[] mValuesLog; |
| 443 | int[] mPointsPerBand = new int[mBands]; |
| 444 | double[] mAverageEnergyPerBand = new double[mBands]; |
| 445 | int[] mInBoundPointsPerBand = new int[mBands]; |
| 446 | public boolean mIsBaseMeasurement = false; |
| 447 | public Results(String label) { |
| 448 | mLabel = label; |
| 449 | } |
| 450 | |
| 451 | //append results |
| 452 | public String toString() { |
| 453 | StringBuilder sb = new StringBuilder(); |
| 454 | sb.append(String.format("Channel %s\n", mLabel)); |
| 455 | sb.append("Level in Band 1 : " + (testLevel() ? "OK" :"FAILED") + |
| 456 | (mIsBaseMeasurement ? " (Base Meas.)" : "") + "\n"); |
| 457 | for (int b = 0; b < mBands; b++) { |
| 458 | double percent = 0; |
| 459 | if (mPointsPerBand[b] > 0) { |
| 460 | percent = 100.0 * (double) mInBoundPointsPerBand[b] / mPointsPerBand[b]; |
| 461 | } |
| 462 | sb.append(String.format( |
| 463 | " Band %d: Av. Level: %.1f dB InBand: %d/%d (%.1f%%) %s\n", |
| 464 | b, mAverageEnergyPerBand[b], |
| 465 | mInBoundPointsPerBand[b], |
| 466 | mPointsPerBand[b], |
| 467 | percent, |
| 468 | (testInBand(b) ? "OK" : "FAILED"))); |
| 469 | } |
| 470 | return sb.toString(); |
| 471 | } |
| 472 | |
| 473 | public boolean testLevel() { |
| 474 | if (mIsBaseMeasurement && mAverageEnergyPerBand[1] <= MAX_ENERGY_BAND_1_BASE) { |
| 475 | return true; |
| 476 | } else if (mAverageEnergyPerBand[1] >= MIN_ENERGY_BAND_1) { |
| 477 | return true; |
| 478 | } |
| 479 | return false; |
| 480 | } |
| 481 | |
| 482 | public boolean testInBand(int b) { |
| 483 | if (b >= 0 && b < mBands && mPointsPerBand[b] > 0) { |
| 484 | if ((double) mInBoundPointsPerBand[b] / mPointsPerBand[b] > |
| 485 | MIN_FRACTION_POINTS_IN_BAND) { |
| 486 | return true; |
| 487 | } |
| 488 | } |
| 489 | return false; |
| 490 | } |
| 491 | |
| 492 | public boolean testAll() { |
| 493 | if (!testLevel()) { |
| 494 | return false; |
| 495 | } |
| 496 | for (int b = 0; b < mBands; b++) { |
| 497 | if (!testInBand(b)) { |
| 498 | return false; |
| 499 | } |
| 500 | } |
| 501 | return true; |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | |
| 506 | /** |
| 507 | * compute test1 results |
| 508 | */ |
| 509 | private void computeTest1Results() { |
| 510 | |
| 511 | Results resultsBase = new Results("Base"); |
| 512 | if (computeResultsForVector(mFreqAverageBase, resultsBase, true, baseBandSpecsArray)) { |
| 513 | appendResultsToScreen(resultsBase.toString(), mTest1Result); |
| 514 | recordTestResults(resultsBase); |
| 515 | } |
| 516 | |
| 517 | Results resultsBuiltIn = new Results("BuiltIn"); |
| 518 | if (computeResultsForVector(mFreqAverageBuiltIn, resultsBuiltIn, false, bandSpecsArray)) { |
| 519 | appendResultsToScreen(resultsBuiltIn.toString(), mTest1Result); |
| 520 | recordTestResults(resultsBuiltIn); |
| 521 | } |
| 522 | |
| 523 | //tell user to connect USB Microphone |
| 524 | appendResultsToScreen("\n\n" + |
| 525 | getResources().getText(R.string.audio_frequency_mic_connect_mic), mTest1Result); |
| 526 | enableLayout(mLayoutTest2a, true); |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * compute test results |
| 531 | */ |
| 532 | private void computeTest2Results() { |
| 533 | Results resultsReference = new Results("Reference"); |
| 534 | if (computeResultsForVector(mFreqAverageReference, resultsReference, |
| 535 | false, bandSpecsArray)) { |
| 536 | appendResultsToScreen(resultsReference.toString(),mTest2Result); |
| 537 | recordTestResults(resultsReference); |
| 538 | getPassButton().setEnabled(true); |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | private boolean computeResultsForVector(VectorAverage freqAverage, Results results, |
| 543 | boolean isBase, AudioBandSpecs[] bandSpecs) { |
| 544 | |
| 545 | results.mIsBaseMeasurement = isBase; |
| 546 | int points = freqAverage.getSize(); |
| 547 | if (points > 0) { |
| 548 | //compute vector in db |
| 549 | double[] values = new double[points]; |
| 550 | freqAverage.getData(values, false); |
| 551 | results.mValuesLog = new double[points]; |
| 552 | for (int i = 0; i < points; i++) { |
| 553 | results.mValuesLog[i] = 20 * Math.log10(values[i]); |
| 554 | } |
| 555 | |
| 556 | int currentBand = 0; |
| 557 | for (int i = 0; i < points; i++) { |
| 558 | double freq = (double)mSamplingRate * i / (double)mBlockSizeSamples; |
| 559 | if (freq > bandSpecs[currentBand].mFreqStop) { |
| 560 | currentBand++; |
| 561 | if (currentBand >= mBands) |
| 562 | break; |
| 563 | } |
| 564 | |
| 565 | if (freq >= bandSpecs[currentBand].mFreqStart) { |
| 566 | results.mAverageEnergyPerBand[currentBand] += results.mValuesLog[i]; |
| 567 | results.mPointsPerBand[currentBand]++; |
| 568 | } |
| 569 | } |
| 570 | |
| 571 | for (int b = 0; b < mBands; b++) { |
| 572 | if (results.mPointsPerBand[b] > 0) { |
| 573 | results.mAverageEnergyPerBand[b] = |
| 574 | results.mAverageEnergyPerBand[b] / results.mPointsPerBand[b]; |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | //set offset relative to band 1 level |
| 579 | for (int b = 0; b < mBands; b++) { |
| 580 | bandSpecs[b].setOffset(results.mAverageEnergyPerBand[1]); |
| 581 | } |
| 582 | |
| 583 | //test points in band. |
| 584 | currentBand = 0; |
| 585 | for (int i = 0; i < points; i++) { |
| 586 | double freq = (double)mSamplingRate * i / (double)mBlockSizeSamples; |
| 587 | if (freq > bandSpecs[currentBand].mFreqStop) { |
| 588 | currentBand++; |
| 589 | if (currentBand >= mBands) |
| 590 | break; |
| 591 | } |
| 592 | |
| 593 | if (freq >= bandSpecs[currentBand].mFreqStart) { |
| 594 | double value = results.mValuesLog[i]; |
| 595 | if (bandSpecs[currentBand].isInBounds(freq, value)) { |
| 596 | results.mInBoundPointsPerBand[currentBand]++; |
| 597 | } |
| 598 | } |
| 599 | } |
| 600 | return true; |
| 601 | } else { |
| 602 | return false; |
| 603 | } |
| 604 | } |
| 605 | |
| 606 | //append results |
| 607 | private void appendResultsToScreen(String str, TextView text) { |
| 608 | String currentText = text.getText().toString(); |
| 609 | text.setText(currentText + "\n" + str); |
| 610 | } |
| 611 | |
| 612 | /** |
| 613 | * Store test results in log |
| 614 | */ |
| 615 | private void recordTestResults(Results results) { |
| 616 | String channelLabel = "channel_" + results.mLabel; |
| 617 | |
| 618 | for (int b = 0; b < mBands; b++) { |
| 619 | String bandLabel = String.format(channelLabel + "_%d", b); |
| 620 | getReportLog().addValue( |
| 621 | bandLabel + "_Level", |
| 622 | results.mAverageEnergyPerBand[b], |
| 623 | ResultType.HIGHER_BETTER, |
| 624 | ResultUnit.NONE); |
| 625 | |
| 626 | getReportLog().addValue( |
| 627 | bandLabel + "_pointsinbound", |
| 628 | results.mInBoundPointsPerBand[b], |
| 629 | ResultType.HIGHER_BETTER, |
| 630 | ResultUnit.COUNT); |
| 631 | |
| 632 | getReportLog().addValue( |
| 633 | bandLabel + "_pointstotal", |
| 634 | results.mPointsPerBand[b], |
| 635 | ResultType.NEUTRAL, |
| 636 | ResultUnit.COUNT); |
| 637 | } |
| 638 | |
| 639 | getReportLog().addValues(channelLabel + "_magnitudeSpectrumLog", |
| 640 | results.mValuesLog, |
| 641 | ResultType.NEUTRAL, |
| 642 | ResultUnit.NONE); |
| 643 | |
| 644 | Log.v(TAG, "Results Recorded"); |
| 645 | } |
| 646 | |
| 647 | private void startRecording() { |
| 648 | synchronized (mRecordingLock) { |
| 649 | mIsRecording = true; |
| 650 | } |
| 651 | |
| 652 | boolean successful = initRecord(); |
| 653 | if (successful) { |
| 654 | startRecordingForReal(); |
| 655 | } else { |
| 656 | Log.v(TAG, "Recorder initialization error."); |
| 657 | synchronized (mRecordingLock) { |
| 658 | mIsRecording = false; |
| 659 | } |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | private void startRecordingForReal() { |
| 664 | // start streaming |
| 665 | if (mRecordThread == null) { |
| 666 | mRecordThread = new Thread(AudioFrequencyMicActivity.this); |
| 667 | mRecordThread.setName("FrequencyAnalyzerThread"); |
| 668 | } |
| 669 | if (!mRecordThread.isAlive()) { |
| 670 | mRecordThread.start(); |
| 671 | } |
| 672 | |
| 673 | mPipe.flush(); |
| 674 | |
| 675 | long startTime = SystemClock.uptimeMillis(); |
| 676 | mRecorder.startRecording(); |
| 677 | if (mRecorder.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING) { |
| 678 | stopRecording(); |
| 679 | return; |
| 680 | } |
| 681 | Log.v(TAG, "Start time: " + (long) (SystemClock.uptimeMillis() - startTime) + " ms"); |
| 682 | } |
| 683 | |
| 684 | private void stopRecording() { |
| 685 | synchronized (mRecordingLock) { |
| 686 | stopRecordingForReal(); |
| 687 | mIsRecording = false; |
| 688 | } |
| 689 | } |
| 690 | |
| 691 | private void stopRecordingForReal() { |
| 692 | |
| 693 | // stop streaming |
| 694 | Thread zeThread = mRecordThread; |
| 695 | mRecordThread = null; |
| 696 | if (zeThread != null) { |
| 697 | zeThread.interrupt(); |
| 698 | try { |
| 699 | zeThread.join(); |
| 700 | } catch(InterruptedException e) { |
| 701 | //restore interrupted status of recording thread |
| 702 | zeThread.interrupt(); |
| 703 | } |
| 704 | } |
| 705 | // release recording resources |
| 706 | if (mRecorder != null) { |
| 707 | mRecorder.stop(); |
| 708 | mRecorder.release(); |
| 709 | mRecorder = null; |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | private boolean initRecord() { |
| 714 | int minRecordBuffSizeInBytes = AudioRecord.getMinBufferSize(mSamplingRate, |
| 715 | mChannelConfig, mAudioFormat); |
| 716 | Log.v(TAG,"FrequencyAnalyzer: min buff size = " + minRecordBuffSizeInBytes + " bytes"); |
| 717 | if (minRecordBuffSizeInBytes <= 0) { |
| 718 | return false; |
| 719 | } |
| 720 | |
| 721 | mMinRecordBufferSizeInSamples = minRecordBuffSizeInBytes / 2; |
| 722 | // allocate the byte array to read the audio data |
| 723 | |
| 724 | mAudioShortArray = new short[mMinRecordBufferSizeInSamples]; |
| 725 | |
| 726 | Log.v(TAG, "Initiating record:"); |
| 727 | Log.v(TAG, " using source " + mSelectedRecordSource); |
| 728 | Log.v(TAG, " at " + mSamplingRate + "Hz"); |
| 729 | |
| 730 | try { |
| 731 | mRecorder = new AudioRecord(mSelectedRecordSource, mSamplingRate, |
| 732 | mChannelConfig, mAudioFormat, 2 * minRecordBuffSizeInBytes); |
| 733 | } catch (IllegalArgumentException e) { |
| 734 | return false; |
| 735 | } |
| 736 | if (mRecorder.getState() != AudioRecord.STATE_INITIALIZED) { |
| 737 | mRecorder.release(); |
| 738 | mRecorder = null; |
| 739 | return false; |
| 740 | } |
| 741 | mRecorder.setRecordPositionUpdateListener(this); |
| 742 | mRecorder.setPositionNotificationPeriod(mBlockSizeSamples / 2); |
| 743 | return true; |
| 744 | } |
| 745 | |
| 746 | // --------------------------------------------------------- |
| 747 | // Implementation of AudioRecord.OnPeriodicNotificationListener |
| 748 | // -------------------- |
| 749 | public void onPeriodicNotification(AudioRecord recorder) { |
| 750 | int samplesAvailable = mPipe.availableToRead(); |
| 751 | int samplesNeeded = mBlockSizeSamples; |
| 752 | if (samplesAvailable >= samplesNeeded) { |
| 753 | mPipe.read(mAudioShortArray2, 0, samplesNeeded); |
| 754 | |
| 755 | //compute stuff. |
| 756 | int clipcount = 0; |
| 757 | double sum = 0; |
| 758 | double maxabs = 0; |
| 759 | int i; |
| 760 | |
| 761 | for (i = 0; i < samplesNeeded; i++) { |
| 762 | double value = mAudioShortArray2[i] / MAX_VAL; |
| 763 | double valueabs = Math.abs(value); |
| 764 | |
| 765 | if (valueabs > maxabs) { |
| 766 | maxabs = valueabs; |
| 767 | } |
| 768 | |
| 769 | if (valueabs > CLIP_LEVEL) { |
| 770 | clipcount++; |
| 771 | } |
| 772 | |
| 773 | sum += value * value; |
| 774 | //fft stuff |
| 775 | mData.mData[i] = value; |
| 776 | } |
| 777 | |
| 778 | //for the current frame, compute FFT and send to the viewer. |
| 779 | |
| 780 | //apply window and pack as complex for now. |
| 781 | DspBufferMath.mult(mData, mData, mWindow.mBuffer); |
| 782 | DspBufferMath.set(mC, mData); |
| 783 | mFftServer.fft(mC, 1); |
| 784 | |
| 785 | double[] halfMagnitude = new double[mBlockSizeSamples / 2]; |
| 786 | for (i = 0; i < mBlockSizeSamples / 2; i++) { |
| 787 | halfMagnitude[i] = Math.sqrt(mC.mReal[i] * mC.mReal[i] + mC.mImag[i] * mC.mImag[i]); |
| 788 | } |
| 789 | |
| 790 | mFreqAverageMain.setData(halfMagnitude, false); //average all of them! |
| 791 | |
| 792 | switch(mCurrentTest) { |
| 793 | case 0: |
| 794 | mFreqAverageBase.setData(halfMagnitude, false); |
| 795 | break; |
| 796 | case 1: |
| 797 | mFreqAverageBuiltIn.setData(halfMagnitude, false); |
| 798 | break; |
| 799 | case 2: |
| 800 | mFreqAverageReference.setData(halfMagnitude, false); |
| 801 | break; |
| 802 | } |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | public void onMarkerReached(AudioRecord track) { |
| 807 | } |
| 808 | |
| 809 | // --------------------------------------------------------- |
| 810 | // Implementation of Runnable for the audio recording + playback |
| 811 | // -------------------- |
| 812 | public void run() { |
| 813 | Thread thisThread = Thread.currentThread(); |
| 814 | while (!thisThread.isInterrupted()) { |
| 815 | // read from native recorder |
| 816 | int nSamplesRead = mRecorder.read(mAudioShortArray, 0, mMinRecordBufferSizeInSamples); |
| 817 | if (nSamplesRead > 0) { |
| 818 | mPipe.write(mAudioShortArray, 0, nSamplesRead); |
| 819 | } |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | private void testSpeakersReady() { |
| 824 | boolean isUsbConnected = |
| 825 | UsbMicrophoneTester.getIsMicrophoneConnected(getApplicationContext()); |
| 826 | if (isUsbConnected) { |
| 827 | mSpeakerReadyText.setText(" USB device detected, please remove it"); |
| 828 | enableLayout(mLayoutTest1, false); |
| 829 | //fail |
| 830 | } else { |
| 831 | mSpeakerReadyText.setText(" No USB device detected. OK"); |
| 832 | enableLayout(mLayoutTest1, true); |
| 833 | } |
| 834 | } |
| 835 | |
| 836 | private void testUSB() { |
| 837 | boolean isConnected = UsbMicrophoneTester.getIsMicrophoneConnected(getApplicationContext()); |
| 838 | mUsbDevicesInfo = UsbMicrophoneTester.getUSBDeviceListString(getApplicationContext()); |
| 839 | |
| 840 | if (isConnected) { |
| 841 | mUsbStatusText.setText( |
| 842 | getResources().getText(R.string.audio_frequency_mic_mic_ready_text)); |
| 843 | enableLayout(mLayoutTest2b, true); |
| 844 | } else { |
| 845 | mUsbStatusText.setText( |
| 846 | getResources().getText(R.string.audio_frequency_mic_mic_not_ready_text)); |
| 847 | enableLayout(mLayoutTest2b, false); |
| 848 | } |
| 849 | } |
| 850 | |
| 851 | } |