VideoModule.java revision bab66b2479fec953811dba84633b24f95b138c34
1/* 2 * Copyright (C) 2012 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 17package com.android.camera; 18 19import android.annotation.TargetApi; 20import android.app.Activity; 21import android.content.ActivityNotFoundException; 22import android.content.BroadcastReceiver; 23import android.content.ContentResolver; 24import android.content.ContentValues; 25import android.content.Context; 26import android.content.Intent; 27import android.content.IntentFilter; 28import android.content.SharedPreferences.Editor; 29import android.content.res.Configuration; 30import android.graphics.Bitmap; 31import android.hardware.Camera.CameraInfo; 32import android.hardware.Camera.Parameters; 33import android.hardware.Camera.PictureCallback; 34import android.hardware.Camera.Size; 35import android.location.Location; 36import android.media.CamcorderProfile; 37import android.media.CameraProfile; 38import android.media.MediaRecorder; 39import android.net.Uri; 40import android.os.Build; 41import android.os.Bundle; 42import android.os.Handler; 43import android.os.Message; 44import android.os.ParcelFileDescriptor; 45import android.os.SystemClock; 46import android.provider.MediaStore; 47import android.provider.MediaStore.Video; 48import android.util.Log; 49import android.view.Gravity; 50import android.view.KeyEvent; 51import android.view.LayoutInflater; 52import android.view.MotionEvent; 53import android.view.OrientationEventListener; 54import android.view.SurfaceHolder; 55import android.view.View; 56import android.view.View.OnClickListener; 57import android.view.ViewGroup; 58import android.view.WindowManager; 59import android.widget.FrameLayout; 60import android.widget.FrameLayout.LayoutParams; 61import android.widget.ImageView; 62import android.widget.LinearLayout; 63import android.widget.TextView; 64import android.widget.Toast; 65 66import com.android.camera.ui.AbstractSettingPopup; 67import com.android.camera.ui.PieRenderer; 68import com.android.camera.ui.PopupManager; 69import com.android.camera.ui.PreviewSurfaceView; 70import com.android.camera.ui.RenderOverlay; 71import com.android.camera.ui.Rotatable; 72import com.android.camera.ui.RotateImageView; 73import com.android.camera.ui.RotateLayout; 74import com.android.camera.ui.RotateTextToast; 75import com.android.camera.ui.TwoStateImageView; 76import com.android.camera.ui.ZoomRenderer; 77import com.android.gallery3d.common.ApiHelper; 78 79import java.io.File; 80import java.io.IOException; 81import java.text.SimpleDateFormat; 82import java.util.Date; 83import java.util.Iterator; 84import java.util.List; 85 86public class VideoModule implements CameraModule, 87 CameraPreference.OnPreferenceChangedListener, 88 ShutterButton.OnShutterButtonListener, 89 MediaRecorder.OnErrorListener, 90 MediaRecorder.OnInfoListener, 91 EffectsRecorder.EffectsListener, 92 PieRenderer.PieListener { 93 94 private static final String TAG = "CAM_VideoModule"; 95 96 // We number the request code from 1000 to avoid collision with Gallery. 97 private static final int REQUEST_EFFECT_BACKDROPPER = 1000; 98 99 private static final int CHECK_DISPLAY_ROTATION = 3; 100 private static final int CLEAR_SCREEN_DELAY = 4; 101 private static final int UPDATE_RECORD_TIME = 5; 102 private static final int ENABLE_SHUTTER_BUTTON = 6; 103 private static final int SHOW_TAP_TO_SNAPSHOT_TOAST = 7; 104 private static final int SWITCH_CAMERA = 8; 105 private static final int SWITCH_CAMERA_START_ANIMATION = 9; 106 private static final int HIDE_SURFACE_VIEW = 10; 107 108 private static final int SCREEN_DELAY = 2 * 60 * 1000; 109 110 private static final long SHUTTER_BUTTON_TIMEOUT = 500L; // 500ms 111 112 /** 113 * An unpublished intent flag requesting to start recording straight away 114 * and return as soon as recording is stopped. 115 * TODO: consider publishing by moving into MediaStore. 116 */ 117 private static final String EXTRA_QUICK_CAPTURE = 118 "android.intent.extra.quickCapture"; 119 120 private static final int MIN_THUMB_SIZE = 64; 121 // module fields 122 private CameraActivity mActivity; 123 private View mRootView; 124 private boolean mPaused; 125 private int mCameraId; 126 private Parameters mParameters; 127 128 private boolean mSnapshotInProgress = false; 129 130 private static final String EFFECT_BG_FROM_GALLERY = "gallery"; 131 132 private final CameraErrorCallback mErrorCallback = new CameraErrorCallback(); 133 134 private ComboPreferences mPreferences; 135 private PreferenceGroup mPreferenceGroup; 136 137 private PreviewFrameLayout mPreviewFrameLayout; 138 private boolean mSurfaceViewReady; 139 private SurfaceHolder.Callback mSurfaceViewCallback; 140 private PreviewSurfaceView mPreviewSurfaceView; 141 private CameraScreenNail.OnFrameDrawnListener mFrameDrawnListener; 142 private View mReviewControl; 143 144 // An review image having same size as preview. It is displayed when 145 // recording is stopped in capture intent. 146 private ImageView mReviewImage; 147 private Rotatable mReviewCancelButton; 148 private Rotatable mReviewDoneButton; 149 private RotateImageView mReviewPlayButton; 150 private ShutterButton mShutterButton; 151 private TextView mRecordingTimeView; 152 private RotateLayout mBgLearningMessageRotater; 153 private View mBgLearningMessageFrame; 154 private LinearLayout mLabelsLinearLayout; 155 156 private boolean mIsVideoCaptureIntent; 157 private boolean mQuickCapture; 158 159 private MediaRecorder mMediaRecorder; 160 private EffectsRecorder mEffectsRecorder; 161 private boolean mEffectsDisplayResult; 162 163 private int mEffectType = EffectsRecorder.EFFECT_NONE; 164 private Object mEffectParameter = null; 165 private String mEffectUriFromGallery = null; 166 private String mPrefVideoEffectDefault; 167 private boolean mResetEffect = true; 168 169 private boolean mSwitchingCamera; 170 private boolean mMediaRecorderRecording = false; 171 private long mRecordingStartTime; 172 private boolean mRecordingTimeCountsDown = false; 173 private RotateLayout mRecordingTimeRect; 174 private long mOnResumeTime; 175 // The video file that the hardware camera is about to record into 176 // (or is recording into.) 177 private String mVideoFilename; 178 private ParcelFileDescriptor mVideoFileDescriptor; 179 180 // The video file that has already been recorded, and that is being 181 // examined by the user. 182 private String mCurrentVideoFilename; 183 private Uri mCurrentVideoUri; 184 private ContentValues mCurrentVideoValues; 185 186 private CamcorderProfile mProfile; 187 188 // The video duration limit. 0 menas no limit. 189 private int mMaxVideoDurationInMs; 190 191 // Time Lapse parameters. 192 private boolean mCaptureTimeLapse = false; 193 // Default 0. If it is larger than 0, the camcorder is in time lapse mode. 194 private int mTimeBetweenTimeLapseFrameCaptureMs = 0; 195 private View mTimeLapseLabel; 196 197 private int mDesiredPreviewWidth; 198 private int mDesiredPreviewHeight; 199 200 boolean mPreviewing = false; // True if preview is started. 201 // The display rotation in degrees. This is only valid when mPreviewing is 202 // true. 203 private int mDisplayRotation; 204 private int mCameraDisplayOrientation; 205 206 private ContentResolver mContentResolver; 207 208 private LocationManager mLocationManager; 209 210 private VideoNamer mVideoNamer; 211 212 private RenderOverlay mRenderOverlay; 213 private PieRenderer mPieRenderer; 214 215 private VideoController mVideoControl; 216 private AbstractSettingPopup mPopup; 217 private int mPendingSwitchCameraId; 218 219 private ZoomRenderer mZoomRenderer; 220 221 private PreviewGestures mGestures; 222 private View mMenu; 223 private View mBlocker; 224 private View mOnScreenIndicators; 225 226 private final Handler mHandler = new MainHandler(); 227 228 // The degrees of the device rotated clockwise from its natural orientation. 229 private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; 230 // The orientation compensation for icons and dialogs. Ex: if the value 231 // is 90, the UI components should be rotated 90 degrees counter-clockwise. 232 private int mOrientationCompensation = 0; 233 234 // If mOrientationResetNeeded is set to be true, onOrientationChanged will reset 235 // the orientation of the on screen indicators to the current orientation compensation 236 // regardless of whether it's the same as the most recent orientation compensation 237 private boolean mOrientationResetNeeded; 238 // The orientation compensation when we start recording. 239 private int mOrientationCompensationAtRecordStart; 240 241 private int mZoomValue; // The current zoom value. 242 private int mZoomMax; 243 private List<Integer> mZoomRatios; 244 private boolean mRestoreFlash; // This is used to check if we need to restore the flash 245 // status when going back from gallery. 246 247 protected class CameraOpenThread extends Thread { 248 @Override 249 public void run() { 250 openCamera(); 251 } 252 } 253 254 private void openCamera() { 255 try { 256 mActivity.mCameraDevice = Util.openCamera(mActivity, mCameraId); 257 mParameters = mActivity.mCameraDevice.getParameters(); 258 } catch (CameraHardwareException e) { 259 mActivity.mOpenCameraFail = true; 260 } catch (CameraDisabledException e) { 261 mActivity.mCameraDisabled = true; 262 } 263 } 264 265 // This Handler is used to post message back onto the main thread of the 266 // application 267 private class MainHandler extends Handler { 268 @Override 269 public void handleMessage(Message msg) { 270 switch (msg.what) { 271 272 case ENABLE_SHUTTER_BUTTON: 273 mShutterButton.setEnabled(true); 274 break; 275 276 case CLEAR_SCREEN_DELAY: { 277 mActivity.getWindow().clearFlags( 278 WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 279 break; 280 } 281 282 case UPDATE_RECORD_TIME: { 283 updateRecordingTime(); 284 break; 285 } 286 287 case CHECK_DISPLAY_ROTATION: { 288 // Restart the preview if display rotation has changed. 289 // Sometimes this happens when the device is held upside 290 // down and camera app is opened. Rotation animation will 291 // take some time and the rotation value we have got may be 292 // wrong. Framework does not have a callback for this now. 293 if ((Util.getDisplayRotation(mActivity) != mDisplayRotation) 294 && !mMediaRecorderRecording && !mSwitchingCamera) { 295 startPreview(); 296 } 297 if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) { 298 mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100); 299 } 300 break; 301 } 302 303 case SHOW_TAP_TO_SNAPSHOT_TOAST: { 304 showTapToSnapshotToast(); 305 break; 306 } 307 308 case SWITCH_CAMERA: { 309 switchCamera(); 310 break; 311 } 312 313 case SWITCH_CAMERA_START_ANIMATION: { 314 ((CameraScreenNail) mActivity.mCameraScreenNail).animateSwitchCamera(); 315 316 // Enable all camera controls. 317 mSwitchingCamera = false; 318 break; 319 } 320 321 case HIDE_SURFACE_VIEW: { 322 mPreviewSurfaceView.setVisibility(View.GONE); 323 break; 324 } 325 326 default: 327 Log.v(TAG, "Unhandled message: " + msg.what); 328 break; 329 } 330 } 331 } 332 333 private BroadcastReceiver mReceiver = null; 334 335 private class MyBroadcastReceiver extends BroadcastReceiver { 336 @Override 337 public void onReceive(Context context, Intent intent) { 338 String action = intent.getAction(); 339 if (action.equals(Intent.ACTION_MEDIA_EJECT)) { 340 stopVideoRecording(); 341 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) { 342 Toast.makeText(mActivity, 343 mActivity.getResources().getString(R.string.wait), Toast.LENGTH_LONG).show(); 344 } 345 } 346 } 347 348 private String createName(long dateTaken) { 349 Date date = new Date(dateTaken); 350 SimpleDateFormat dateFormat = new SimpleDateFormat( 351 mActivity.getString(R.string.video_file_name_format)); 352 353 return dateFormat.format(date); 354 } 355 356 private int getPreferredCameraId(ComboPreferences preferences) { 357 int intentCameraId = Util.getCameraFacingIntentExtras(mActivity); 358 if (intentCameraId != -1) { 359 // Testing purpose. Launch a specific camera through the intent 360 // extras. 361 return intentCameraId; 362 } else { 363 return CameraSettings.readPreferredCameraId(preferences); 364 } 365 } 366 367 private void initializeSurfaceView() { 368 mPreviewSurfaceView = (PreviewSurfaceView) mRootView.findViewById(R.id.preview_surface_view); 369 if (!ApiHelper.HAS_SURFACE_TEXTURE) { // API level < 11 370 if (mSurfaceViewCallback == null) { 371 mSurfaceViewCallback = new SurfaceViewCallback(); 372 } 373 mPreviewSurfaceView.getHolder().addCallback(mSurfaceViewCallback); 374 mPreviewSurfaceView.setVisibility(View.VISIBLE); 375 } else if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { // API level < 16 376 if (mSurfaceViewCallback == null) { 377 mSurfaceViewCallback = new SurfaceViewCallback(); 378 mFrameDrawnListener = new CameraScreenNail.OnFrameDrawnListener() { 379 @Override 380 public void onFrameDrawn(CameraScreenNail c) { 381 mHandler.sendEmptyMessage(HIDE_SURFACE_VIEW); 382 } 383 }; 384 } 385 mPreviewSurfaceView.getHolder().addCallback(mSurfaceViewCallback); 386 } 387 } 388 389 private void initializeOverlay() { 390 mRenderOverlay = (RenderOverlay) mRootView.findViewById(R.id.render_overlay); 391 if (mPieRenderer == null) { 392 mPieRenderer = new PieRenderer(mActivity); 393 mVideoControl = new VideoController(mActivity, this, mPieRenderer); 394 mVideoControl.setListener(this); 395 mPieRenderer.setPieListener(this); 396 } 397 mRenderOverlay.addRenderer(mPieRenderer); 398 if (mZoomRenderer == null) { 399 mZoomRenderer = new ZoomRenderer(mActivity); 400 } 401 mRenderOverlay.addRenderer(mZoomRenderer); 402 if (mGestures == null) { 403 mGestures = new PreviewGestures(mActivity, this, mZoomRenderer, mPieRenderer); 404 } 405 mGestures.setRenderOverlay(mRenderOverlay); 406 mGestures.clearTouchReceivers(); 407 mGestures.addTouchReceiver(mBlocker); 408 mGestures.addTouchReceiver(mMenu); 409 410 if (isVideoCaptureIntent()) { 411 if (mReviewCancelButton != null) { 412 mGestures.addTouchReceiver((View) mReviewCancelButton); 413 } 414 if (mReviewDoneButton != null) { 415 mGestures.addTouchReceiver((View) mReviewDoneButton); 416 } 417 } 418 } 419 420 @Override 421 public void init(CameraActivity activity, View root, boolean reuseScreenNail) { 422 mActivity = activity; 423 mRootView = root; 424 mPreferences = new ComboPreferences(mActivity); 425 CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); 426 mCameraId = getPreferredCameraId(mPreferences); 427 428 mPreferences.setLocalId(mActivity, mCameraId); 429 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 430 431 mActivity.mNumberOfCameras = CameraHolder.instance().getNumberOfCameras(); 432 mPrefVideoEffectDefault = mActivity.getString(R.string.pref_video_effect_default); 433 resetEffect(); 434 435 /* 436 * To reduce startup time, we start the preview in another thread. 437 * We make sure the preview is started at the end of onCreate. 438 */ 439 CameraOpenThread cameraOpenThread = new CameraOpenThread(); 440 cameraOpenThread.start(); 441 442 mContentResolver = mActivity.getContentResolver(); 443 444 mActivity.getLayoutInflater().inflate(R.layout.video_module, (ViewGroup) mRootView); 445 446 // Surface texture is from camera screen nail and startPreview needs it. 447 // This must be done before startPreview. 448 mIsVideoCaptureIntent = isVideoCaptureIntent(); 449 if (reuseScreenNail) { 450 mActivity.reuseCameraScreenNail(!mIsVideoCaptureIntent); 451 } else { 452 mActivity.createCameraScreenNail(!mIsVideoCaptureIntent); 453 } 454 initializeSurfaceView(); 455 456 // Make sure camera device is opened. 457 try { 458 cameraOpenThread.join(); 459 if (mActivity.mOpenCameraFail) { 460 Util.showErrorAndFinish(mActivity, R.string.cannot_connect_camera); 461 return; 462 } else if (mActivity.mCameraDisabled) { 463 Util.showErrorAndFinish(mActivity, R.string.camera_disabled); 464 return; 465 } 466 } catch (InterruptedException ex) { 467 // ignore 468 } 469 470 Thread startPreviewThread = new Thread(new Runnable() { 471 @Override 472 public void run() { 473 readVideoPreferences(); 474 startPreview(); 475 } 476 }); 477 startPreviewThread.start(); 478 479 initializeControlByIntent(); 480 initializeOverlay(); 481 initializeMiscControls(); 482 483 mQuickCapture = mActivity.getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); 484 mLocationManager = new LocationManager(mActivity, null); 485 486 // Initialize to true to ensure that the on-screen indicators get their 487 // orientation set in onOrientationChanged. 488 mOrientationResetNeeded = true; 489 490 // Make sure preview is started. 491 try { 492 startPreviewThread.join(); 493 if (mActivity.mOpenCameraFail) { 494 Util.showErrorAndFinish(mActivity, R.string.cannot_connect_camera); 495 return; 496 } else if (mActivity.mCameraDisabled) { 497 Util.showErrorAndFinish(mActivity, R.string.camera_disabled); 498 return; 499 } 500 } catch (InterruptedException ex) { 501 // ignore 502 } 503 504 showTimeLapseUI(mCaptureTimeLapse); 505 initializeVideoSnapshot(); 506 resizeForPreviewAspectRatio(); 507 508 initializeVideoControl(); 509 mPendingSwitchCameraId = -1; 510 } 511 512 @Override 513 public void onStop() {} 514 515 private void loadCameraPreferences() { 516 CameraSettings settings = new CameraSettings(mActivity, mParameters, 517 mCameraId, CameraHolder.instance().getCameraInfo()); 518 // Remove the video quality preference setting when the quality is given in the intent. 519 mPreferenceGroup = filterPreferenceScreenByIntent( 520 settings.getPreferenceGroup(R.xml.video_preferences)); 521 } 522 523 @Override 524 public boolean collapseCameraControls() { 525 boolean ret = false; 526 if (mPopup != null) { 527 dismissPopup(false); 528 ret = true; 529 } 530 return ret; 531 } 532 533 public boolean removeTopLevelPopup() { 534 if (mPopup != null) { 535 dismissPopup(true); 536 return true; 537 } 538 return false; 539 } 540 541 private void enableCameraControls(boolean enable) { 542 if (mGestures != null) { 543 mGestures.setZoomOnly(!enable); 544 } 545 if (mPieRenderer != null && mPieRenderer.showsItems()) { 546 mPieRenderer.hide(); 547 } 548 } 549 550 private void initializeVideoControl() { 551 loadCameraPreferences(); 552 mVideoControl.initialize(mPreferenceGroup); 553 if (effectsActive()) { 554 mVideoControl.overrideSettings( 555 CameraSettings.KEY_VIDEO_QUALITY, 556 Integer.toString(getLowVideoQuality())); 557 } 558 } 559 560 @TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB) 561 private static int getLowVideoQuality() { 562 if (ApiHelper.HAS_FINE_RESOLUTION_QUALITY_LEVELS) { 563 return CamcorderProfile.QUALITY_480P; 564 } else { 565 return CamcorderProfile.QUALITY_LOW; 566 } 567 } 568 569 570 @Override 571 public void onOrientationChanged(int orientation) { 572 // We keep the last known orientation. So if the user first orient 573 // the camera then point the camera to floor or sky, we still have 574 // the correct orientation. 575 if (orientation == OrientationEventListener.ORIENTATION_UNKNOWN) return; 576 int newOrientation = Util.roundOrientation(orientation, mOrientation); 577 578 if (mOrientation != newOrientation) { 579 mOrientation = newOrientation; 580 // The input of effects recorder is affected by 581 // android.hardware.Camera.setDisplayOrientation. Its value only 582 // compensates the camera orientation (no Display.getRotation). 583 // So the orientation hint here should only consider sensor 584 // orientation. 585 if (effectsActive()) { 586 mEffectsRecorder.setOrientationHint(mOrientation); 587 } 588 } 589 590 // When the screen is unlocked, display rotation may change. Always 591 // calculate the up-to-date orientationCompensation. 592 int orientationCompensation = 593 (mOrientation + Util.getDisplayRotation(mActivity)) % 360; 594 595 if (mOrientationCompensation != orientationCompensation || mOrientationResetNeeded) { 596 mOrientationCompensation = orientationCompensation; 597 // Do not rotate the icons during recording because the video 598 // orientation is fixed after recording. 599 if (!mMediaRecorderRecording) { 600 setOrientationIndicator(mOrientationCompensation, true); 601 mOrientationResetNeeded = false; 602 } 603 setDisplayOrientation(); 604 } 605 606 // Show the toast after getting the first orientation changed. 607 if (mHandler.hasMessages(SHOW_TAP_TO_SNAPSHOT_TOAST)) { 608 mHandler.removeMessages(SHOW_TAP_TO_SNAPSHOT_TOAST); 609 showTapToSnapshotToast(); 610 } 611 612 // Rotate the pop-up if needed 613 if (mPopup != null) { 614 mPopup.setOrientation(mOrientationCompensation, true); 615 } 616 } 617 618 private void setOrientationIndicator(int orientation, boolean animation) { 619 Rotatable[] indicators = { 620 mBgLearningMessageRotater, 621 mReviewDoneButton, mReviewPlayButton}; 622 for (Rotatable indicator : indicators) { 623 if (indicator != null) indicator.setOrientation(orientation, animation); 624 } 625 if (mGestures != null) { 626 mGestures.setOrientation(orientation); 627 } 628 629 // We change the orientation of the review cancel button only for tablet 630 // UI because there's a label along with the X icon. For phone UI, we 631 // don't change the orientation because there's only a symmetrical X 632 // icon. 633 if (mReviewCancelButton instanceof RotateLayout) { 634 mReviewCancelButton.setOrientation(orientation, animation); 635 } 636 637 // We change the orientation of the linearlayout only for phone UI because when in portrait 638 // the width is not enough. 639 if (mLabelsLinearLayout != null) { 640 if (((orientation / 90) & 1) == 0) { 641 mLabelsLinearLayout.setOrientation(LinearLayout.VERTICAL); 642 } else { 643 mLabelsLinearLayout.setOrientation(LinearLayout.HORIZONTAL); 644 } 645 } 646 mRecordingTimeRect.setOrientation(mOrientationCompensation, animation); 647 } 648 649 private void startPlayVideoActivity() { 650 Intent intent = new Intent(Intent.ACTION_VIEW); 651 intent.setDataAndType(mCurrentVideoUri, convertOutputFormatToMimeType(mProfile.fileFormat)); 652 try { 653 mActivity.startActivity(intent); 654 } catch (ActivityNotFoundException ex) { 655 Log.e(TAG, "Couldn't view video " + mCurrentVideoUri, ex); 656 } 657 } 658 659 @OnClickAttr 660 public void onReviewPlayClicked(View v) { 661 startPlayVideoActivity(); 662 } 663 664 @OnClickAttr 665 public void onReviewDoneClicked(View v) { 666 doReturnToCaller(true); 667 } 668 669 @OnClickAttr 670 public void onReviewCancelClicked(View v) { 671 stopVideoRecording(); 672 doReturnToCaller(false); 673 } 674 675 private void onStopVideoRecording() { 676 mEffectsDisplayResult = true; 677 boolean recordFail = stopVideoRecording(); 678 if (mIsVideoCaptureIntent) { 679 if (!effectsActive()) { 680 if (mQuickCapture) { 681 doReturnToCaller(!recordFail); 682 } else if (!recordFail) { 683 showAlert(); 684 } 685 } 686 } else if (!recordFail){ 687 // Start capture animation. 688 if (!mPaused && ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { 689 // The capture animation is disabled on ICS because we use SurfaceView 690 // for preview during recording. When the recording is done, we switch 691 // back to use SurfaceTexture for preview and we need to stop then start 692 // the preview. This will cause the preview flicker since the preview 693 // will not be continuous for a short period of time. 694 ((CameraScreenNail) mActivity.mCameraScreenNail).animateCapture(mDisplayRotation); 695 } 696 } 697 } 698 699 public void onProtectiveCurtainClick(View v) { 700 // Consume clicks 701 } 702 703 @Override 704 public void onShutterButtonClick() { 705 if (collapseCameraControls() || mSwitchingCamera) return; 706 707 boolean stop = mMediaRecorderRecording; 708 709 if (stop) { 710 onStopVideoRecording(); 711 } else { 712 startVideoRecording(); 713 } 714 mShutterButton.setEnabled(false); 715 716 // Keep the shutter button disabled when in video capture intent 717 // mode and recording is stopped. It'll be re-enabled when 718 // re-take button is clicked. 719 if (!(mIsVideoCaptureIntent && stop)) { 720 mHandler.sendEmptyMessageDelayed( 721 ENABLE_SHUTTER_BUTTON, SHUTTER_BUTTON_TIMEOUT); 722 } 723 } 724 725 @Override 726 public void onShutterButtonFocus(boolean pressed) { 727 // Do nothing (everything happens in onShutterButtonClick). 728 } 729 730 private void readVideoPreferences() { 731 // The preference stores values from ListPreference and is thus string type for all values. 732 // We need to convert it to int manually. 733 String defaultQuality = CameraSettings.getDefaultVideoQuality(mCameraId, 734 mActivity.getResources().getString(R.string.pref_video_quality_default)); 735 String videoQuality = 736 mPreferences.getString(CameraSettings.KEY_VIDEO_QUALITY, 737 defaultQuality); 738 int quality = Integer.valueOf(videoQuality); 739 740 // Set video quality. 741 Intent intent = mActivity.getIntent(); 742 if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) { 743 int extraVideoQuality = 744 intent.getIntExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0); 745 if (extraVideoQuality > 0) { 746 quality = CamcorderProfile.QUALITY_HIGH; 747 } else { // 0 is mms. 748 quality = CamcorderProfile.QUALITY_LOW; 749 } 750 } 751 752 // Set video duration limit. The limit is read from the preference, 753 // unless it is specified in the intent. 754 if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) { 755 int seconds = 756 intent.getIntExtra(MediaStore.EXTRA_DURATION_LIMIT, 0); 757 mMaxVideoDurationInMs = 1000 * seconds; 758 } else { 759 mMaxVideoDurationInMs = CameraSettings.DEFAULT_VIDEO_DURATION; 760 } 761 762 // Set effect 763 mEffectType = CameraSettings.readEffectType(mPreferences); 764 if (mEffectType != EffectsRecorder.EFFECT_NONE) { 765 mEffectParameter = CameraSettings.readEffectParameter(mPreferences); 766 // Set quality to be no higher than 480p. 767 CamcorderProfile profile = CamcorderProfile.get(mCameraId, quality); 768 if (profile.videoFrameHeight > 480) { 769 quality = getLowVideoQuality(); 770 } 771 } else { 772 mEffectParameter = null; 773 } 774 // Read time lapse recording interval. 775 if (ApiHelper.HAS_TIME_LAPSE_RECORDING) { 776 String frameIntervalStr = mPreferences.getString( 777 CameraSettings.KEY_VIDEO_TIME_LAPSE_FRAME_INTERVAL, 778 mActivity.getString(R.string.pref_video_time_lapse_frame_interval_default)); 779 mTimeBetweenTimeLapseFrameCaptureMs = Integer.parseInt(frameIntervalStr); 780 mCaptureTimeLapse = (mTimeBetweenTimeLapseFrameCaptureMs != 0); 781 } 782 // TODO: This should be checked instead directly +1000. 783 if (mCaptureTimeLapse) quality += 1000; 784 mProfile = CamcorderProfile.get(mCameraId, quality); 785 getDesiredPreviewSize(); 786 } 787 788 private void writeDefaultEffectToPrefs() { 789 ComboPreferences.Editor editor = mPreferences.edit(); 790 editor.putString(CameraSettings.KEY_VIDEO_EFFECT, 791 mActivity.getString(R.string.pref_video_effect_default)); 792 editor.apply(); 793 } 794 795 @TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB) 796 private void getDesiredPreviewSize() { 797 mParameters = mActivity.mCameraDevice.getParameters(); 798 if (ApiHelper.HAS_GET_SUPPORTED_VIDEO_SIZE) { 799 if (mParameters.getSupportedVideoSizes() == null || effectsActive()) { 800 mDesiredPreviewWidth = mProfile.videoFrameWidth; 801 mDesiredPreviewHeight = mProfile.videoFrameHeight; 802 } else { // Driver supports separates outputs for preview and video. 803 List<Size> sizes = mParameters.getSupportedPreviewSizes(); 804 Size preferred = mParameters.getPreferredPreviewSizeForVideo(); 805 int product = preferred.width * preferred.height; 806 Iterator<Size> it = sizes.iterator(); 807 // Remove the preview sizes that are not preferred. 808 while (it.hasNext()) { 809 Size size = it.next(); 810 if (size.width * size.height > product) { 811 it.remove(); 812 } 813 } 814 Size optimalSize = Util.getOptimalPreviewSize(mActivity, sizes, 815 (double) mProfile.videoFrameWidth / mProfile.videoFrameHeight); 816 mDesiredPreviewWidth = optimalSize.width; 817 mDesiredPreviewHeight = optimalSize.height; 818 } 819 } else { 820 mDesiredPreviewWidth = mProfile.videoFrameWidth; 821 mDesiredPreviewHeight = mProfile.videoFrameHeight; 822 } 823 Log.v(TAG, "mDesiredPreviewWidth=" + mDesiredPreviewWidth + 824 ". mDesiredPreviewHeight=" + mDesiredPreviewHeight); 825 } 826 827 private void resizeForPreviewAspectRatio() { 828 mPreviewFrameLayout.setAspectRatio( 829 (double) mProfile.videoFrameWidth / mProfile.videoFrameHeight); 830 } 831 832 @Override 833 public void installIntentFilter() { 834 // install an intent filter to receive SD card related events. 835 IntentFilter intentFilter = 836 new IntentFilter(Intent.ACTION_MEDIA_EJECT); 837 intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); 838 intentFilter.addDataScheme("file"); 839 mReceiver = new MyBroadcastReceiver(); 840 mActivity.registerReceiver(mReceiver, intentFilter); 841 } 842 843 @Override 844 public void onResumeBeforeSuper() { 845 mPaused = false; 846 } 847 848 @Override 849 public void onResumeAfterSuper() { 850 if (mActivity.mOpenCameraFail || mActivity.mCameraDisabled) 851 return; 852 853 mZoomValue = 0; 854 855 showVideoSnapshotUI(false); 856 857 858 if (!mPreviewing) { 859 if (resetEffect()) { 860 mBgLearningMessageFrame.setVisibility(View.GONE); 861 } 862 openCamera(); 863 if (mActivity.mOpenCameraFail) { 864 Util.showErrorAndFinish(mActivity, 865 R.string.cannot_connect_camera); 866 return; 867 } else if (mActivity.mCameraDisabled) { 868 Util.showErrorAndFinish(mActivity, R.string.camera_disabled); 869 return; 870 } 871 readVideoPreferences(); 872 resizeForPreviewAspectRatio(); 873 startPreview(); 874 } 875 876 // Initializing it here after the preview is started. 877 initializeZoom(); 878 879 keepScreenOnAwhile(); 880 881 // Initialize location service. 882 boolean recordLocation = RecordLocationPreference.get(mPreferences, 883 mContentResolver); 884 mLocationManager.recordLocation(recordLocation); 885 886 if (mPreviewing) { 887 mOnResumeTime = SystemClock.uptimeMillis(); 888 mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100); 889 } 890 // Dismiss open menu if exists. 891 PopupManager.getInstance(mActivity).notifyShowPopup(null); 892 893 mVideoNamer = new VideoNamer(); 894 } 895 896 private void setDisplayOrientation() { 897 mDisplayRotation = Util.getDisplayRotation(mActivity); 898 if (ApiHelper.HAS_SURFACE_TEXTURE) { 899 // The display rotation is handled by gallery. 900 mCameraDisplayOrientation = Util.getDisplayOrientation(0, mCameraId); 901 } else { 902 // We need to consider display rotation ourselves. 903 mCameraDisplayOrientation = Util.getDisplayOrientation(mDisplayRotation, mCameraId); 904 } 905 // GLRoot also uses the DisplayRotation, and needs to be told to layout to update 906 mActivity.getGLRoot().requestLayoutContentPane(); 907 } 908 909 private void startPreview() { 910 Log.v(TAG, "startPreview"); 911 912 mActivity.mCameraDevice.setErrorCallback(mErrorCallback); 913 if (mPreviewing == true) { 914 stopPreview(); 915 if (effectsActive() && mEffectsRecorder != null) { 916 mEffectsRecorder.release(); 917 mEffectsRecorder = null; 918 } 919 } 920 921 setDisplayOrientation(); 922 mActivity.mCameraDevice.setDisplayOrientation(mCameraDisplayOrientation); 923 setCameraParameters(); 924 925 try { 926 if (!effectsActive()) { 927 if (ApiHelper.HAS_SURFACE_TEXTURE) { 928 mActivity.mCameraDevice.setPreviewTextureAsync( 929 ((CameraScreenNail) mActivity.mCameraScreenNail).getSurfaceTexture()); 930 } else { 931 mActivity.mCameraDevice.setPreviewDisplayAsync(mPreviewSurfaceView.getHolder()); 932 } 933 mActivity.mCameraDevice.startPreviewAsync(); 934 } else { 935 initializeEffectsPreview(); 936 mEffectsRecorder.startPreview(); 937 } 938 } catch (Throwable ex) { 939 closeCamera(); 940 throw new RuntimeException("startPreview failed", ex); 941 } 942 943 mPreviewing = true; 944 } 945 946 private void stopPreview() { 947 mActivity.mCameraDevice.stopPreview(); 948 mPreviewing = false; 949 } 950 951 // Closing the effects out. Will shut down the effects graph. 952 private void closeEffects() { 953 Log.v(TAG, "Closing effects"); 954 mEffectType = EffectsRecorder.EFFECT_NONE; 955 if (mEffectsRecorder == null) { 956 Log.d(TAG, "Effects are already closed. Nothing to do"); 957 return; 958 } 959 // This call can handle the case where the camera is already released 960 // after the recording has been stopped. 961 mEffectsRecorder.release(); 962 mEffectsRecorder = null; 963 } 964 965 // By default, we want to close the effects as well with the camera. 966 private void closeCamera() { 967 closeCamera(true); 968 } 969 970 // In certain cases, when the effects are active, we may want to shutdown 971 // only the camera related parts, and handle closing the effects in the 972 // effectsUpdate callback. 973 // For example, in onPause, we want to make the camera available to 974 // outside world immediately, however, want to wait till the effects 975 // callback to shut down the effects. In such a case, we just disconnect 976 // the effects from the camera by calling disconnectCamera. That way 977 // the effects can handle that when shutting down. 978 // 979 // @param closeEffectsAlso - indicates whether we want to close the 980 // effects also along with the camera. 981 private void closeCamera(boolean closeEffectsAlso) { 982 Log.v(TAG, "closeCamera"); 983 if (mActivity.mCameraDevice == null) { 984 Log.d(TAG, "already stopped."); 985 return; 986 } 987 988 if (mEffectsRecorder != null) { 989 // Disconnect the camera from effects so that camera is ready to 990 // be released to the outside world. 991 mEffectsRecorder.disconnectCamera(); 992 } 993 if (closeEffectsAlso) closeEffects(); 994 mActivity.mCameraDevice.setZoomChangeListener(null); 995 mActivity.mCameraDevice.setErrorCallback(null); 996 CameraHolder.instance().release(); 997 mActivity.mCameraDevice = null; 998 mPreviewing = false; 999 mSnapshotInProgress = false; 1000 } 1001 1002 private void releasePreviewResources() { 1003 if (ApiHelper.HAS_SURFACE_TEXTURE) { 1004 CameraScreenNail screenNail = (CameraScreenNail) mActivity.mCameraScreenNail; 1005 if (screenNail.getSurfaceTexture() != null) { 1006 screenNail.releaseSurfaceTexture(); 1007 } 1008 if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { 1009 mHandler.removeMessages(HIDE_SURFACE_VIEW); 1010 mPreviewSurfaceView.setVisibility(View.GONE); 1011 } 1012 } 1013 } 1014 1015 @Override 1016 public void onPauseBeforeSuper() { 1017 mPaused = true; 1018 1019 if (mMediaRecorderRecording) { 1020 // Camera will be released in onStopVideoRecording. 1021 onStopVideoRecording(); 1022 } else { 1023 closeCamera(); 1024 if (!effectsActive()) releaseMediaRecorder(); 1025 } 1026 if (effectsActive()) { 1027 // If the effects are active, make sure we tell the graph that the 1028 // surfacetexture is not valid anymore. Disconnect the graph from 1029 // the display. This should be done before releasing the surface 1030 // texture. 1031 mEffectsRecorder.disconnectDisplay(); 1032 } else { 1033 // Close the file descriptor and clear the video namer only if the 1034 // effects are not active. If effects are active, we need to wait 1035 // till we get the callback from the Effects that the graph is done 1036 // recording. That also needs a change in the stopVideoRecording() 1037 // call to not call closeCamera if the effects are active, because 1038 // that will close down the effects are well, thus making this if 1039 // condition invalid. 1040 closeVideoFileDescriptor(); 1041 clearVideoNamer(); 1042 } 1043 1044 releasePreviewResources(); 1045 1046 if (mReceiver != null) { 1047 mActivity.unregisterReceiver(mReceiver); 1048 mReceiver = null; 1049 } 1050 resetScreenOn(); 1051 1052 if (mLocationManager != null) mLocationManager.recordLocation(false); 1053 1054 mHandler.removeMessages(CHECK_DISPLAY_ROTATION); 1055 mHandler.removeMessages(SWITCH_CAMERA); 1056 mHandler.removeMessages(SWITCH_CAMERA_START_ANIMATION); 1057 mPendingSwitchCameraId = -1; 1058 mSwitchingCamera = false; 1059 // Call onPause after stopping video recording. So the camera can be 1060 // released as soon as possible. 1061 } 1062 1063 @Override 1064 public void onPauseAfterSuper() { 1065 } 1066 1067 @Override 1068 public void onUserInteraction() { 1069 if (!mMediaRecorderRecording && !mActivity.isFinishing()) { 1070 keepScreenOnAwhile(); 1071 } 1072 } 1073 1074 @Override 1075 public boolean onBackPressed() { 1076 if (mPaused) return true; 1077 if (mMediaRecorderRecording) { 1078 onStopVideoRecording(); 1079 return true; 1080 } else if (mPieRenderer != null && mPieRenderer.showsItems()) { 1081 mPieRenderer.hide(); 1082 return true; 1083 } else { 1084 return removeTopLevelPopup(); 1085 } 1086 } 1087 1088 @Override 1089 public boolean onKeyDown(int keyCode, KeyEvent event) { 1090 // Do not handle any key if the activity is paused. 1091 if (mPaused) { 1092 return true; 1093 } 1094 1095 switch (keyCode) { 1096 case KeyEvent.KEYCODE_CAMERA: 1097 if (event.getRepeatCount() == 0) { 1098 mShutterButton.performClick(); 1099 return true; 1100 } 1101 break; 1102 case KeyEvent.KEYCODE_DPAD_CENTER: 1103 if (event.getRepeatCount() == 0) { 1104 mShutterButton.performClick(); 1105 return true; 1106 } 1107 break; 1108 case KeyEvent.KEYCODE_MENU: 1109 if (mMediaRecorderRecording) return true; 1110 break; 1111 } 1112 return false; 1113 } 1114 1115 @Override 1116 public boolean onKeyUp(int keyCode, KeyEvent event) { 1117 switch (keyCode) { 1118 case KeyEvent.KEYCODE_CAMERA: 1119 mShutterButton.setPressed(false); 1120 return true; 1121 } 1122 return false; 1123 } 1124 1125 private boolean isVideoCaptureIntent() { 1126 String action = mActivity.getIntent().getAction(); 1127 return (MediaStore.ACTION_VIDEO_CAPTURE.equals(action)); 1128 } 1129 1130 private void doReturnToCaller(boolean valid) { 1131 Intent resultIntent = new Intent(); 1132 int resultCode; 1133 if (valid) { 1134 resultCode = Activity.RESULT_OK; 1135 resultIntent.setData(mCurrentVideoUri); 1136 } else { 1137 resultCode = Activity.RESULT_CANCELED; 1138 } 1139 mActivity.setResultEx(resultCode, resultIntent); 1140 mActivity.finish(); 1141 } 1142 1143 private void cleanupEmptyFile() { 1144 if (mVideoFilename != null) { 1145 File f = new File(mVideoFilename); 1146 if (f.length() == 0 && f.delete()) { 1147 Log.v(TAG, "Empty video file deleted: " + mVideoFilename); 1148 mVideoFilename = null; 1149 } 1150 } 1151 } 1152 1153 private void setupMediaRecorderPreviewDisplay() { 1154 // Nothing to do here if using SurfaceTexture. 1155 if (!ApiHelper.HAS_SURFACE_TEXTURE) { 1156 mMediaRecorder.setPreviewDisplay(mPreviewSurfaceView.getHolder().getSurface()); 1157 } else if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { 1158 // We stop the preview here before unlocking the device because we 1159 // need to change the SurfaceTexture to SurfaceView for preview. 1160 stopPreview(); 1161 mActivity.mCameraDevice.setPreviewDisplayAsync(mPreviewSurfaceView.getHolder()); 1162 // The orientation for SurfaceTexture is different from that for 1163 // SurfaceView. For SurfaceTexture we don't need to consider the 1164 // display rotation. Just consider the sensor's orientation and we 1165 // will set the orientation correctly when showing the texture. 1166 // Gallery will handle the orientation for the preview. For 1167 // SurfaceView we will have to take everything into account so the 1168 // display rotation is considered. 1169 mActivity.mCameraDevice.setDisplayOrientation( 1170 Util.getDisplayOrientation(mDisplayRotation, mCameraId)); 1171 mActivity.mCameraDevice.startPreviewAsync(); 1172 mPreviewing = true; 1173 mMediaRecorder.setPreviewDisplay(mPreviewSurfaceView.getHolder().getSurface()); 1174 } 1175 } 1176 1177 // Prepares media recorder. 1178 private void initializeRecorder() { 1179 Log.v(TAG, "initializeRecorder"); 1180 // If the mCameraDevice is null, then this activity is going to finish 1181 if (mActivity.mCameraDevice == null) return; 1182 1183 if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING && ApiHelper.HAS_SURFACE_TEXTURE) { 1184 // Set the SurfaceView to visible so the surface gets created. 1185 // surfaceCreated() is called immediately when the visibility is 1186 // changed to visible. Thus, mSurfaceViewReady should become true 1187 // right after calling setVisibility(). 1188 mPreviewSurfaceView.setVisibility(View.VISIBLE); 1189 if (!mSurfaceViewReady) return; 1190 } 1191 1192 Intent intent = mActivity.getIntent(); 1193 Bundle myExtras = intent.getExtras(); 1194 1195 long requestedSizeLimit = 0; 1196 closeVideoFileDescriptor(); 1197 if (mIsVideoCaptureIntent && myExtras != null) { 1198 Uri saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 1199 if (saveUri != null) { 1200 try { 1201 mVideoFileDescriptor = 1202 mContentResolver.openFileDescriptor(saveUri, "rw"); 1203 mCurrentVideoUri = saveUri; 1204 } catch (java.io.FileNotFoundException ex) { 1205 // invalid uri 1206 Log.e(TAG, ex.toString()); 1207 } 1208 } 1209 requestedSizeLimit = myExtras.getLong(MediaStore.EXTRA_SIZE_LIMIT); 1210 } 1211 mMediaRecorder = new MediaRecorder(); 1212 1213 setupMediaRecorderPreviewDisplay(); 1214 // Unlock the camera object before passing it to media recorder. 1215 mActivity.mCameraDevice.unlock(); 1216 mMediaRecorder.setCamera(mActivity.mCameraDevice.getCamera()); 1217 if (!mCaptureTimeLapse) { 1218 mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER); 1219 } 1220 mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); 1221 mMediaRecorder.setProfile(mProfile); 1222 mMediaRecorder.setMaxDuration(mMaxVideoDurationInMs); 1223 if (mCaptureTimeLapse) { 1224 double fps = 1000 / (double) mTimeBetweenTimeLapseFrameCaptureMs; 1225 setCaptureRate(mMediaRecorder, fps); 1226 } 1227 1228 setRecordLocation(); 1229 1230 // Set output file. 1231 // Try Uri in the intent first. If it doesn't exist, use our own 1232 // instead. 1233 if (mVideoFileDescriptor != null) { 1234 mMediaRecorder.setOutputFile(mVideoFileDescriptor.getFileDescriptor()); 1235 } else { 1236 generateVideoFilename(mProfile.fileFormat); 1237 mMediaRecorder.setOutputFile(mVideoFilename); 1238 } 1239 1240 // Set maximum file size. 1241 long maxFileSize = mActivity.getStorageSpace() - Storage.LOW_STORAGE_THRESHOLD; 1242 if (requestedSizeLimit > 0 && requestedSizeLimit < maxFileSize) { 1243 maxFileSize = requestedSizeLimit; 1244 } 1245 1246 try { 1247 mMediaRecorder.setMaxFileSize(maxFileSize); 1248 } catch (RuntimeException exception) { 1249 // We are going to ignore failure of setMaxFileSize here, as 1250 // a) The composer selected may simply not support it, or 1251 // b) The underlying media framework may not handle 64-bit range 1252 // on the size restriction. 1253 } 1254 1255 // See android.hardware.Camera.Parameters.setRotation for 1256 // documentation. 1257 // Note that mOrientation here is the device orientation, which is the opposite of 1258 // what activity.getWindowManager().getDefaultDisplay().getRotation() would return, 1259 // which is the orientation the graphics need to rotate in order to render correctly. 1260 int rotation = 0; 1261 if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) { 1262 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 1263 if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 1264 rotation = (info.orientation - mOrientation + 360) % 360; 1265 } else { // back-facing camera 1266 rotation = (info.orientation + mOrientation) % 360; 1267 } 1268 } 1269 mMediaRecorder.setOrientationHint(rotation); 1270 mOrientationCompensationAtRecordStart = mOrientationCompensation; 1271 1272 try { 1273 mMediaRecorder.prepare(); 1274 } catch (IOException e) { 1275 Log.e(TAG, "prepare failed for " + mVideoFilename, e); 1276 releaseMediaRecorder(); 1277 throw new RuntimeException(e); 1278 } 1279 1280 mMediaRecorder.setOnErrorListener(this); 1281 mMediaRecorder.setOnInfoListener(this); 1282 } 1283 1284 @TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB) 1285 private static void setCaptureRate(MediaRecorder recorder, double fps) { 1286 recorder.setCaptureRate(fps); 1287 } 1288 1289 @TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH) 1290 private void setRecordLocation() { 1291 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1292 Location loc = mLocationManager.getCurrentLocation(); 1293 if (loc != null) { 1294 mMediaRecorder.setLocation((float) loc.getLatitude(), 1295 (float) loc.getLongitude()); 1296 } 1297 } 1298 } 1299 1300 private void initializeEffectsPreview() { 1301 Log.v(TAG, "initializeEffectsPreview"); 1302 // If the mCameraDevice is null, then this activity is going to finish 1303 if (mActivity.mCameraDevice == null) return; 1304 1305 boolean inLandscape = (mActivity.getResources().getConfiguration().orientation 1306 == Configuration.ORIENTATION_LANDSCAPE); 1307 1308 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 1309 1310 mEffectsDisplayResult = false; 1311 mEffectsRecorder = new EffectsRecorder(mActivity); 1312 1313 // TODO: Confirm none of the following need to go to initializeEffectsRecording() 1314 // and none of these change even when the preview is not refreshed. 1315 mEffectsRecorder.setCameraDisplayOrientation(mCameraDisplayOrientation); 1316 mEffectsRecorder.setCamera(mActivity.mCameraDevice); 1317 mEffectsRecorder.setCameraFacing(info.facing); 1318 mEffectsRecorder.setProfile(mProfile); 1319 mEffectsRecorder.setEffectsListener(this); 1320 mEffectsRecorder.setOnInfoListener(this); 1321 mEffectsRecorder.setOnErrorListener(this); 1322 1323 // The input of effects recorder is affected by 1324 // android.hardware.Camera.setDisplayOrientation. Its value only 1325 // compensates the camera orientation (no Display.getRotation). So the 1326 // orientation hint here should only consider sensor orientation. 1327 int orientation = 0; 1328 if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) { 1329 orientation = mOrientation; 1330 } 1331 mEffectsRecorder.setOrientationHint(orientation); 1332 1333 mOrientationCompensationAtRecordStart = mOrientationCompensation; 1334 1335 CameraScreenNail screenNail = (CameraScreenNail) mActivity.mCameraScreenNail; 1336 mEffectsRecorder.setPreviewSurfaceTexture(screenNail.getSurfaceTexture(), 1337 screenNail.getWidth(), screenNail.getHeight()); 1338 1339 if (mEffectType == EffectsRecorder.EFFECT_BACKDROPPER && 1340 ((String) mEffectParameter).equals(EFFECT_BG_FROM_GALLERY)) { 1341 mEffectsRecorder.setEffect(mEffectType, mEffectUriFromGallery); 1342 } else { 1343 mEffectsRecorder.setEffect(mEffectType, mEffectParameter); 1344 } 1345 } 1346 1347 private void initializeEffectsRecording() { 1348 Log.v(TAG, "initializeEffectsRecording"); 1349 1350 Intent intent = mActivity.getIntent(); 1351 Bundle myExtras = intent.getExtras(); 1352 1353 long requestedSizeLimit = 0; 1354 closeVideoFileDescriptor(); 1355 if (mIsVideoCaptureIntent && myExtras != null) { 1356 Uri saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 1357 if (saveUri != null) { 1358 try { 1359 mVideoFileDescriptor = 1360 mContentResolver.openFileDescriptor(saveUri, "rw"); 1361 mCurrentVideoUri = saveUri; 1362 } catch (java.io.FileNotFoundException ex) { 1363 // invalid uri 1364 Log.e(TAG, ex.toString()); 1365 } 1366 } 1367 requestedSizeLimit = myExtras.getLong(MediaStore.EXTRA_SIZE_LIMIT); 1368 } 1369 1370 mEffectsRecorder.setProfile(mProfile); 1371 // important to set the capture rate to zero if not timelapsed, since the 1372 // effectsrecorder object does not get created again for each recording 1373 // session 1374 if (mCaptureTimeLapse) { 1375 mEffectsRecorder.setCaptureRate((1000 / (double) mTimeBetweenTimeLapseFrameCaptureMs)); 1376 } else { 1377 mEffectsRecorder.setCaptureRate(0); 1378 } 1379 1380 // Set output file 1381 if (mVideoFileDescriptor != null) { 1382 mEffectsRecorder.setOutputFile(mVideoFileDescriptor.getFileDescriptor()); 1383 } else { 1384 generateVideoFilename(mProfile.fileFormat); 1385 mEffectsRecorder.setOutputFile(mVideoFilename); 1386 } 1387 1388 // Set maximum file size. 1389 long maxFileSize = mActivity.getStorageSpace() - Storage.LOW_STORAGE_THRESHOLD; 1390 if (requestedSizeLimit > 0 && requestedSizeLimit < maxFileSize) { 1391 maxFileSize = requestedSizeLimit; 1392 } 1393 mEffectsRecorder.setMaxFileSize(maxFileSize); 1394 mEffectsRecorder.setMaxDuration(mMaxVideoDurationInMs); 1395 } 1396 1397 1398 private void releaseMediaRecorder() { 1399 Log.v(TAG, "Releasing media recorder."); 1400 if (mMediaRecorder != null) { 1401 cleanupEmptyFile(); 1402 mMediaRecorder.reset(); 1403 mMediaRecorder.release(); 1404 mMediaRecorder = null; 1405 } 1406 mVideoFilename = null; 1407 } 1408 1409 private void releaseEffectsRecorder() { 1410 Log.v(TAG, "Releasing effects recorder."); 1411 if (mEffectsRecorder != null) { 1412 cleanupEmptyFile(); 1413 mEffectsRecorder.release(); 1414 mEffectsRecorder = null; 1415 } 1416 mEffectType = EffectsRecorder.EFFECT_NONE; 1417 mVideoFilename = null; 1418 } 1419 1420 private void generateVideoFilename(int outputFileFormat) { 1421 long dateTaken = System.currentTimeMillis(); 1422 String title = createName(dateTaken); 1423 // Used when emailing. 1424 String filename = title + convertOutputFormatToFileExt(outputFileFormat); 1425 String mime = convertOutputFormatToMimeType(outputFileFormat); 1426 String path = Storage.DIRECTORY + '/' + filename; 1427 String tmpPath = path + ".tmp"; 1428 mCurrentVideoValues = new ContentValues(7); 1429 mCurrentVideoValues.put(Video.Media.TITLE, title); 1430 mCurrentVideoValues.put(Video.Media.DISPLAY_NAME, filename); 1431 mCurrentVideoValues.put(Video.Media.DATE_TAKEN, dateTaken); 1432 mCurrentVideoValues.put(Video.Media.MIME_TYPE, mime); 1433 mCurrentVideoValues.put(Video.Media.DATA, path); 1434 mCurrentVideoValues.put(Video.Media.RESOLUTION, 1435 Integer.toString(mProfile.videoFrameWidth) + "x" + 1436 Integer.toString(mProfile.videoFrameHeight)); 1437 Location loc = mLocationManager.getCurrentLocation(); 1438 if (loc != null) { 1439 mCurrentVideoValues.put(Video.Media.LATITUDE, loc.getLatitude()); 1440 mCurrentVideoValues.put(Video.Media.LONGITUDE, loc.getLongitude()); 1441 } 1442 mVideoNamer.prepareUri(mContentResolver, mCurrentVideoValues); 1443 mVideoFilename = tmpPath; 1444 Log.v(TAG, "New video filename: " + mVideoFilename); 1445 } 1446 1447 private boolean addVideoToMediaStore() { 1448 boolean fail = false; 1449 if (mVideoFileDescriptor == null) { 1450 mCurrentVideoValues.put(Video.Media.SIZE, 1451 new File(mCurrentVideoFilename).length()); 1452 long duration = SystemClock.uptimeMillis() - mRecordingStartTime; 1453 if (duration > 0) { 1454 if (mCaptureTimeLapse) { 1455 duration = getTimeLapseVideoLength(duration); 1456 } 1457 mCurrentVideoValues.put(Video.Media.DURATION, duration); 1458 } else { 1459 Log.w(TAG, "Video duration <= 0 : " + duration); 1460 } 1461 try { 1462 mCurrentVideoUri = mVideoNamer.getUri(); 1463 mActivity.addSecureAlbumItemIfNeeded(true, mCurrentVideoUri); 1464 1465 // Rename the video file to the final name. This avoids other 1466 // apps reading incomplete data. We need to do it after the 1467 // above mVideoNamer.getUri() call, so we are certain that the 1468 // previous insert to MediaProvider is completed. 1469 String finalName = mCurrentVideoValues.getAsString( 1470 Video.Media.DATA); 1471 if (new File(mCurrentVideoFilename).renameTo(new File(finalName))) { 1472 mCurrentVideoFilename = finalName; 1473 } 1474 1475 mContentResolver.update(mCurrentVideoUri, mCurrentVideoValues 1476 , null, null); 1477 mActivity.sendBroadcast(new Intent(Util.ACTION_NEW_VIDEO, 1478 mCurrentVideoUri)); 1479 } catch (Exception e) { 1480 // We failed to insert into the database. This can happen if 1481 // the SD card is unmounted. 1482 Log.e(TAG, "failed to add video to media store", e); 1483 mCurrentVideoUri = null; 1484 mCurrentVideoFilename = null; 1485 fail = true; 1486 } finally { 1487 Log.v(TAG, "Current video URI: " + mCurrentVideoUri); 1488 } 1489 } 1490 mCurrentVideoValues = null; 1491 return fail; 1492 } 1493 1494 private void deleteCurrentVideo() { 1495 // Remove the video and the uri if the uri is not passed in by intent. 1496 if (mCurrentVideoFilename != null) { 1497 deleteVideoFile(mCurrentVideoFilename); 1498 mCurrentVideoFilename = null; 1499 if (mCurrentVideoUri != null) { 1500 mContentResolver.delete(mCurrentVideoUri, null, null); 1501 mCurrentVideoUri = null; 1502 } 1503 } 1504 mActivity.updateStorageSpaceAndHint(); 1505 } 1506 1507 private void deleteVideoFile(String fileName) { 1508 Log.v(TAG, "Deleting video " + fileName); 1509 File f = new File(fileName); 1510 if (!f.delete()) { 1511 Log.v(TAG, "Could not delete " + fileName); 1512 } 1513 } 1514 1515 private PreferenceGroup filterPreferenceScreenByIntent( 1516 PreferenceGroup screen) { 1517 Intent intent = mActivity.getIntent(); 1518 if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) { 1519 CameraSettings.removePreferenceFromScreen(screen, 1520 CameraSettings.KEY_VIDEO_QUALITY); 1521 } 1522 1523 if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) { 1524 CameraSettings.removePreferenceFromScreen(screen, 1525 CameraSettings.KEY_VIDEO_QUALITY); 1526 } 1527 return screen; 1528 } 1529 1530 // from MediaRecorder.OnErrorListener 1531 @Override 1532 public void onError(MediaRecorder mr, int what, int extra) { 1533 Log.e(TAG, "MediaRecorder error. what=" + what + ". extra=" + extra); 1534 if (what == MediaRecorder.MEDIA_RECORDER_ERROR_UNKNOWN) { 1535 // We may have run out of space on the sdcard. 1536 stopVideoRecording(); 1537 mActivity.updateStorageSpaceAndHint(); 1538 } 1539 } 1540 1541 // from MediaRecorder.OnInfoListener 1542 @Override 1543 public void onInfo(MediaRecorder mr, int what, int extra) { 1544 if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED) { 1545 if (mMediaRecorderRecording) onStopVideoRecording(); 1546 } else if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) { 1547 if (mMediaRecorderRecording) onStopVideoRecording(); 1548 1549 // Show the toast. 1550 Toast.makeText(mActivity, R.string.video_reach_size_limit, 1551 Toast.LENGTH_LONG).show(); 1552 } 1553 } 1554 1555 /* 1556 * Make sure we're not recording music playing in the background, ask the 1557 * MediaPlaybackService to pause playback. 1558 */ 1559 private void pauseAudioPlayback() { 1560 // Shamelessly copied from MediaPlaybackService.java, which 1561 // should be public, but isn't. 1562 Intent i = new Intent("com.android.music.musicservicecommand"); 1563 i.putExtra("command", "pause"); 1564 1565 mActivity.sendBroadcast(i); 1566 } 1567 1568 // For testing. 1569 public boolean isRecording() { 1570 return mMediaRecorderRecording; 1571 } 1572 1573 private void startVideoRecording() { 1574 Log.v(TAG, "startVideoRecording"); 1575 mActivity.setSwipingEnabled(false); 1576 1577 mActivity.updateStorageSpaceAndHint(); 1578 if (mActivity.getStorageSpace() <= Storage.LOW_STORAGE_THRESHOLD) { 1579 Log.v(TAG, "Storage issue, ignore the start request"); 1580 return; 1581 } 1582 1583 mCurrentVideoUri = null; 1584 if (effectsActive()) { 1585 initializeEffectsRecording(); 1586 if (mEffectsRecorder == null) { 1587 Log.e(TAG, "Fail to initialize effect recorder"); 1588 return; 1589 } 1590 } else { 1591 initializeRecorder(); 1592 if (mMediaRecorder == null) { 1593 Log.e(TAG, "Fail to initialize media recorder"); 1594 return; 1595 } 1596 } 1597 1598 pauseAudioPlayback(); 1599 1600 if (effectsActive()) { 1601 try { 1602 mEffectsRecorder.startRecording(); 1603 } catch (RuntimeException e) { 1604 Log.e(TAG, "Could not start effects recorder. ", e); 1605 releaseEffectsRecorder(); 1606 return; 1607 } 1608 } else { 1609 try { 1610 mMediaRecorder.start(); // Recording is now started 1611 } catch (RuntimeException e) { 1612 Log.e(TAG, "Could not start media recorder. ", e); 1613 releaseMediaRecorder(); 1614 // If start fails, frameworks will not lock the camera for us. 1615 mActivity.mCameraDevice.lock(); 1616 return; 1617 } 1618 } 1619 1620 // The parameters may have been changed by MediaRecorder upon starting 1621 // recording. We need to alter the parameters if we support camcorder 1622 // zoom. To reduce latency when setting the parameters during zoom, we 1623 // update mParameters here once. 1624 if (ApiHelper.HAS_ZOOM_WHEN_RECORDING) { 1625 mParameters = mActivity.mCameraDevice.getParameters(); 1626 } 1627 1628 enableCameraControls(false); 1629 1630 mMediaRecorderRecording = true; 1631 mActivity.getOrientationManager().lockOrientation(); 1632 mRecordingStartTime = SystemClock.uptimeMillis(); 1633 showRecordingUI(true); 1634 1635 updateRecordingTime(); 1636 keepScreenOn(); 1637 } 1638 1639 private void showRecordingUI(boolean recording) { 1640 mMenu.setVisibility(recording ? View.GONE : View.VISIBLE); 1641 mOnScreenIndicators.setVisibility(recording ? View.GONE : View.VISIBLE); 1642 if (recording) { 1643 mShutterButton.setImageResource(R.drawable.btn_shutter_video_recording); 1644 mActivity.hideSwitcher(); 1645 mRecordingTimeView.setText(""); 1646 mRecordingTimeView.setVisibility(View.VISIBLE); 1647 if (mReviewControl != null) mReviewControl.setVisibility(View.GONE); 1648 // The camera is not allowed to be accessed in older api levels during 1649 // recording. It is therefore necessary to hide the zoom UI on older 1650 // platforms. 1651 // See the documentation of android.media.MediaRecorder.start() for 1652 // further explanation. 1653 if (!ApiHelper.HAS_ZOOM_WHEN_RECORDING 1654 && mParameters.isZoomSupported()) { 1655 // TODO: disable zoom UI here. 1656 } 1657 } else { 1658 mShutterButton.setImageResource(R.drawable.btn_new_shutter_video); 1659 mActivity.showSwitcher(); 1660 mRecordingTimeView.setVisibility(View.GONE); 1661 if (mReviewControl != null) mReviewControl.setVisibility(View.VISIBLE); 1662 if (!ApiHelper.HAS_ZOOM_WHEN_RECORDING 1663 && mParameters.isZoomSupported()) { 1664 // TODO: enable zoom UI here. 1665 } 1666 } 1667 } 1668 1669 private void showAlert() { 1670 Bitmap bitmap = null; 1671 if (mVideoFileDescriptor != null) { 1672 bitmap = Thumbnail.createVideoThumbnailBitmap(mVideoFileDescriptor.getFileDescriptor(), 1673 mPreviewFrameLayout.getWidth()); 1674 } else if (mCurrentVideoFilename != null) { 1675 bitmap = Thumbnail.createVideoThumbnailBitmap(mCurrentVideoFilename, 1676 mPreviewFrameLayout.getWidth()); 1677 } 1678 if (bitmap != null) { 1679 // MetadataRetriever already rotates the thumbnail. We should rotate 1680 // it to match the UI orientation (and mirror if it is front-facing camera). 1681 CameraInfo[] info = CameraHolder.instance().getCameraInfo(); 1682 boolean mirror = (info[mCameraId].facing == CameraInfo.CAMERA_FACING_FRONT); 1683 bitmap = Util.rotateAndMirror(bitmap, -mOrientationCompensationAtRecordStart, 1684 mirror); 1685 mReviewImage.setImageBitmap(bitmap); 1686 mReviewImage.setVisibility(View.VISIBLE); 1687 } 1688 1689 Util.fadeOut(mShutterButton); 1690 1691 Util.fadeIn((View) mReviewDoneButton); 1692 Util.fadeIn(mReviewPlayButton); 1693 mMenu.setVisibility(View.GONE); 1694 mOnScreenIndicators.setVisibility(View.GONE); 1695 enableCameraControls(false); 1696 1697 showTimeLapseUI(false); 1698 } 1699 1700 private void hideAlert() { 1701 mReviewImage.setVisibility(View.GONE); 1702 mShutterButton.setEnabled(true); 1703 mMenu.setVisibility(View.VISIBLE); 1704 mOnScreenIndicators.setVisibility(View.VISIBLE); 1705 enableCameraControls(true); 1706 1707 Util.fadeOut((View) mReviewDoneButton); 1708 Util.fadeOut(mReviewPlayButton); 1709 1710 Util.fadeIn(mShutterButton); 1711 1712 if (mCaptureTimeLapse) { 1713 showTimeLapseUI(true); 1714 } 1715 } 1716 1717 private boolean stopVideoRecording() { 1718 Log.v(TAG, "stopVideoRecording"); 1719 mActivity.setSwipingEnabled(true); 1720 mActivity.showSwitcher(); 1721 1722 boolean fail = false; 1723 if (mMediaRecorderRecording) { 1724 boolean shouldAddToMediaStoreNow = false; 1725 1726 try { 1727 if (effectsActive()) { 1728 // This is asynchronous, so we can't add to media store now because thumbnail 1729 // may not be ready. In such case addVideoToMediaStore is called later 1730 // through a callback from the MediaEncoderFilter to EffectsRecorder, 1731 // and then to the VideoModule. 1732 mEffectsRecorder.stopRecording(); 1733 } else { 1734 mMediaRecorder.setOnErrorListener(null); 1735 mMediaRecorder.setOnInfoListener(null); 1736 mMediaRecorder.stop(); 1737 shouldAddToMediaStoreNow = true; 1738 } 1739 mCurrentVideoFilename = mVideoFilename; 1740 Log.v(TAG, "stopVideoRecording: Setting current video filename: " 1741 + mCurrentVideoFilename); 1742 } catch (RuntimeException e) { 1743 Log.e(TAG, "stop fail", e); 1744 if (mVideoFilename != null) deleteVideoFile(mVideoFilename); 1745 fail = true; 1746 } 1747 mMediaRecorderRecording = false; 1748 mActivity.getOrientationManager().unlockOrientation(); 1749 1750 // If the activity is paused, this means activity is interrupted 1751 // during recording. Release the camera as soon as possible because 1752 // face unlock or other applications may need to use the camera. 1753 // However, if the effects are active, then we can only release the 1754 // camera and cannot release the effects recorder since that will 1755 // stop the graph. It is possible to separate out the Camera release 1756 // part and the effects release part. However, the effects recorder 1757 // does hold on to the camera, hence, it needs to be "disconnected" 1758 // from the camera in the closeCamera call. 1759 if (mPaused) { 1760 // Closing only the camera part if effects active. Effects will 1761 // be closed in the callback from effects. 1762 boolean closeEffects = !effectsActive(); 1763 closeCamera(closeEffects); 1764 } 1765 1766 showRecordingUI(false); 1767 if (!mIsVideoCaptureIntent) { 1768 enableCameraControls(true); 1769 } 1770 // The orientation was fixed during video recording. Now make it 1771 // reflect the device orientation as video recording is stopped. 1772 setOrientationIndicator(mOrientationCompensation, true); 1773 keepScreenOnAwhile(); 1774 if (shouldAddToMediaStoreNow) { 1775 if (addVideoToMediaStore()) fail = true; 1776 } 1777 } 1778 // always release media recorder if no effects running 1779 if (!effectsActive()) { 1780 releaseMediaRecorder(); 1781 if (!mPaused) { 1782 mActivity.mCameraDevice.lock(); 1783 if (ApiHelper.HAS_SURFACE_TEXTURE && 1784 !ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { 1785 stopPreview(); 1786 // Switch back to use SurfaceTexture for preview. 1787 ((CameraScreenNail) mActivity.mCameraScreenNail).setOneTimeOnFrameDrawnListener( 1788 mFrameDrawnListener); 1789 startPreview(); 1790 } 1791 } 1792 } 1793 // Update the parameters here because the parameters might have been altered 1794 // by MediaRecorder. 1795 if (!mPaused) mParameters = mActivity.mCameraDevice.getParameters(); 1796 return fail; 1797 } 1798 1799 private void resetScreenOn() { 1800 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 1801 mActivity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 1802 } 1803 1804 private void keepScreenOnAwhile() { 1805 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 1806 mActivity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 1807 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 1808 } 1809 1810 private void keepScreenOn() { 1811 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 1812 mActivity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 1813 } 1814 1815 private static String millisecondToTimeString(long milliSeconds, boolean displayCentiSeconds) { 1816 long seconds = milliSeconds / 1000; // round down to compute seconds 1817 long minutes = seconds / 60; 1818 long hours = minutes / 60; 1819 long remainderMinutes = minutes - (hours * 60); 1820 long remainderSeconds = seconds - (minutes * 60); 1821 1822 StringBuilder timeStringBuilder = new StringBuilder(); 1823 1824 // Hours 1825 if (hours > 0) { 1826 if (hours < 10) { 1827 timeStringBuilder.append('0'); 1828 } 1829 timeStringBuilder.append(hours); 1830 1831 timeStringBuilder.append(':'); 1832 } 1833 1834 // Minutes 1835 if (remainderMinutes < 10) { 1836 timeStringBuilder.append('0'); 1837 } 1838 timeStringBuilder.append(remainderMinutes); 1839 timeStringBuilder.append(':'); 1840 1841 // Seconds 1842 if (remainderSeconds < 10) { 1843 timeStringBuilder.append('0'); 1844 } 1845 timeStringBuilder.append(remainderSeconds); 1846 1847 // Centi seconds 1848 if (displayCentiSeconds) { 1849 timeStringBuilder.append('.'); 1850 long remainderCentiSeconds = (milliSeconds - seconds * 1000) / 10; 1851 if (remainderCentiSeconds < 10) { 1852 timeStringBuilder.append('0'); 1853 } 1854 timeStringBuilder.append(remainderCentiSeconds); 1855 } 1856 1857 return timeStringBuilder.toString(); 1858 } 1859 1860 private long getTimeLapseVideoLength(long deltaMs) { 1861 // For better approximation calculate fractional number of frames captured. 1862 // This will update the video time at a higher resolution. 1863 double numberOfFrames = (double) deltaMs / mTimeBetweenTimeLapseFrameCaptureMs; 1864 return (long) (numberOfFrames / mProfile.videoFrameRate * 1000); 1865 } 1866 1867 private void updateRecordingTime() { 1868 if (!mMediaRecorderRecording) { 1869 return; 1870 } 1871 long now = SystemClock.uptimeMillis(); 1872 long delta = now - mRecordingStartTime; 1873 1874 // Starting a minute before reaching the max duration 1875 // limit, we'll countdown the remaining time instead. 1876 boolean countdownRemainingTime = (mMaxVideoDurationInMs != 0 1877 && delta >= mMaxVideoDurationInMs - 60000); 1878 1879 long deltaAdjusted = delta; 1880 if (countdownRemainingTime) { 1881 deltaAdjusted = Math.max(0, mMaxVideoDurationInMs - deltaAdjusted) + 999; 1882 } 1883 String text; 1884 1885 long targetNextUpdateDelay; 1886 if (!mCaptureTimeLapse) { 1887 text = millisecondToTimeString(deltaAdjusted, false); 1888 targetNextUpdateDelay = 1000; 1889 } else { 1890 // The length of time lapse video is different from the length 1891 // of the actual wall clock time elapsed. Display the video length 1892 // only in format hh:mm:ss.dd, where dd are the centi seconds. 1893 text = millisecondToTimeString(getTimeLapseVideoLength(delta), true); 1894 targetNextUpdateDelay = mTimeBetweenTimeLapseFrameCaptureMs; 1895 } 1896 1897 mRecordingTimeView.setText(text); 1898 1899 if (mRecordingTimeCountsDown != countdownRemainingTime) { 1900 // Avoid setting the color on every update, do it only 1901 // when it needs changing. 1902 mRecordingTimeCountsDown = countdownRemainingTime; 1903 1904 int color = mActivity.getResources().getColor(countdownRemainingTime 1905 ? R.color.recording_time_remaining_text 1906 : R.color.recording_time_elapsed_text); 1907 1908 mRecordingTimeView.setTextColor(color); 1909 } 1910 1911 long actualNextUpdateDelay = targetNextUpdateDelay - (delta % targetNextUpdateDelay); 1912 mHandler.sendEmptyMessageDelayed( 1913 UPDATE_RECORD_TIME, actualNextUpdateDelay); 1914 } 1915 1916 private static boolean isSupported(String value, List<String> supported) { 1917 return supported == null ? false : supported.indexOf(value) >= 0; 1918 } 1919 1920 @SuppressWarnings("deprecation") 1921 private void setCameraParameters() { 1922 mParameters.setPreviewSize(mDesiredPreviewWidth, mDesiredPreviewHeight); 1923 mParameters.setPreviewFrameRate(mProfile.videoFrameRate); 1924 1925 // Set flash mode. 1926 String flashMode; 1927 if (mActivity.mShowCameraAppView) { 1928 flashMode = mPreferences.getString( 1929 CameraSettings.KEY_VIDEOCAMERA_FLASH_MODE, 1930 mActivity.getString(R.string.pref_camera_video_flashmode_default)); 1931 } else { 1932 flashMode = Parameters.FLASH_MODE_OFF; 1933 } 1934 List<String> supportedFlash = mParameters.getSupportedFlashModes(); 1935 if (isSupported(flashMode, supportedFlash)) { 1936 mParameters.setFlashMode(flashMode); 1937 } else { 1938 flashMode = mParameters.getFlashMode(); 1939 if (flashMode == null) { 1940 flashMode = mActivity.getString( 1941 R.string.pref_camera_flashmode_no_flash); 1942 } 1943 } 1944 1945 // Set white balance parameter. 1946 String whiteBalance = mPreferences.getString( 1947 CameraSettings.KEY_WHITE_BALANCE, 1948 mActivity.getString(R.string.pref_camera_whitebalance_default)); 1949 if (isSupported(whiteBalance, 1950 mParameters.getSupportedWhiteBalance())) { 1951 mParameters.setWhiteBalance(whiteBalance); 1952 } else { 1953 whiteBalance = mParameters.getWhiteBalance(); 1954 if (whiteBalance == null) { 1955 whiteBalance = Parameters.WHITE_BALANCE_AUTO; 1956 } 1957 } 1958 1959 // Set zoom. 1960 if (mParameters.isZoomSupported()) { 1961 mParameters.setZoom(mZoomValue); 1962 } 1963 1964 // Set continuous autofocus. 1965 List<String> supportedFocus = mParameters.getSupportedFocusModes(); 1966 if (isSupported(Parameters.FOCUS_MODE_CONTINUOUS_VIDEO, supportedFocus)) { 1967 mParameters.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); 1968 } 1969 1970 mParameters.set(Util.RECORDING_HINT, Util.TRUE); 1971 1972 // Enable video stabilization. Convenience methods not available in API 1973 // level <= 14 1974 String vstabSupported = mParameters.get("video-stabilization-supported"); 1975 if ("true".equals(vstabSupported)) { 1976 mParameters.set("video-stabilization", "true"); 1977 } 1978 1979 // Set picture size. 1980 // The logic here is different from the logic in still-mode camera. 1981 // There we determine the preview size based on the picture size, but 1982 // here we determine the picture size based on the preview size. 1983 List<Size> supported = mParameters.getSupportedPictureSizes(); 1984 Size optimalSize = Util.getOptimalVideoSnapshotPictureSize(supported, 1985 (double) mDesiredPreviewWidth / mDesiredPreviewHeight); 1986 Size original = mParameters.getPictureSize(); 1987 if (!original.equals(optimalSize)) { 1988 mParameters.setPictureSize(optimalSize.width, optimalSize.height); 1989 } 1990 Log.v(TAG, "Video snapshot size is " + optimalSize.width + "x" + 1991 optimalSize.height); 1992 1993 // Set JPEG quality. 1994 int jpegQuality = CameraProfile.getJpegEncodingQualityParameter(mCameraId, 1995 CameraProfile.QUALITY_HIGH); 1996 mParameters.setJpegQuality(jpegQuality); 1997 1998 mActivity.mCameraDevice.setParameters(mParameters); 1999 // Keep preview size up to date. 2000 mParameters = mActivity.mCameraDevice.getParameters(); 2001 2002 updateCameraScreenNailSize(mDesiredPreviewWidth, mDesiredPreviewHeight); 2003 } 2004 2005 private void updateCameraScreenNailSize(int width, int height) { 2006 if (!ApiHelper.HAS_SURFACE_TEXTURE) return; 2007 2008 if (mCameraDisplayOrientation % 180 != 0) { 2009 int tmp = width; 2010 width = height; 2011 height = tmp; 2012 } 2013 2014 CameraScreenNail screenNail = (CameraScreenNail) mActivity.mCameraScreenNail; 2015 int oldWidth = screenNail.getWidth(); 2016 int oldHeight = screenNail.getHeight(); 2017 2018 if (oldWidth != width || oldHeight != height) { 2019 screenNail.setSize(width, height); 2020 screenNail.enableAspectRatioClamping(); 2021 mActivity.notifyScreenNailChanged(); 2022 } 2023 2024 if (screenNail.getSurfaceTexture() == null) { 2025 screenNail.acquireSurfaceTexture(); 2026 } 2027 } 2028 2029 @Override 2030 public void onActivityResult(int requestCode, int resultCode, Intent data) { 2031 switch (requestCode) { 2032 case REQUEST_EFFECT_BACKDROPPER: 2033 if (resultCode == Activity.RESULT_OK) { 2034 // onActivityResult() runs before onResume(), so this parameter will be 2035 // seen by startPreview from onResume() 2036 mEffectUriFromGallery = data.getData().toString(); 2037 Log.v(TAG, "Received URI from gallery: " + mEffectUriFromGallery); 2038 mResetEffect = false; 2039 } else { 2040 mEffectUriFromGallery = null; 2041 Log.w(TAG, "No URI from gallery"); 2042 mResetEffect = true; 2043 } 2044 break; 2045 } 2046 } 2047 2048 @Override 2049 public void onEffectsUpdate(int effectId, int effectMsg) { 2050 Log.v(TAG, "onEffectsUpdate. Effect Message = " + effectMsg); 2051 if (effectMsg == EffectsRecorder.EFFECT_MSG_EFFECTS_STOPPED) { 2052 // Effects have shut down. Hide learning message if any, 2053 // and restart regular preview. 2054 mBgLearningMessageFrame.setVisibility(View.GONE); 2055 checkQualityAndStartPreview(); 2056 } else if (effectMsg == EffectsRecorder.EFFECT_MSG_RECORDING_DONE) { 2057 // This follows the codepath from onStopVideoRecording. 2058 if (mEffectsDisplayResult && !addVideoToMediaStore()) { 2059 if (mIsVideoCaptureIntent) { 2060 if (mQuickCapture) { 2061 doReturnToCaller(true); 2062 } else { 2063 showAlert(); 2064 } 2065 } 2066 } 2067 mEffectsDisplayResult = false; 2068 // In onPause, these were not called if the effects were active. We 2069 // had to wait till the effects recording is complete to do this. 2070 if (mPaused) { 2071 closeVideoFileDescriptor(); 2072 clearVideoNamer(); 2073 } 2074 } else if (effectMsg == EffectsRecorder.EFFECT_MSG_PREVIEW_RUNNING) { 2075 // Enable the shutter button once the preview is complete. 2076 mShutterButton.setEnabled(true); 2077 } else if (effectId == EffectsRecorder.EFFECT_BACKDROPPER) { 2078 switch (effectMsg) { 2079 case EffectsRecorder.EFFECT_MSG_STARTED_LEARNING: 2080 mBgLearningMessageFrame.setVisibility(View.VISIBLE); 2081 break; 2082 case EffectsRecorder.EFFECT_MSG_DONE_LEARNING: 2083 case EffectsRecorder.EFFECT_MSG_SWITCHING_EFFECT: 2084 mBgLearningMessageFrame.setVisibility(View.GONE); 2085 break; 2086 } 2087 } 2088 // In onPause, this was not called if the effects were active. We had to 2089 // wait till the effects completed to do this. 2090 if (mPaused) { 2091 Log.v(TAG, "OnEffectsUpdate: closing effects if activity paused"); 2092 closeEffects(); 2093 } 2094 } 2095 2096 public void onCancelBgTraining(View v) { 2097 // Remove training message 2098 mBgLearningMessageFrame.setVisibility(View.GONE); 2099 // Write default effect out to shared prefs 2100 writeDefaultEffectToPrefs(); 2101 // Tell VideoCamer to re-init based on new shared pref values. 2102 onSharedPreferenceChanged(); 2103 } 2104 2105 @Override 2106 public synchronized void onEffectsError(Exception exception, String fileName) { 2107 // TODO: Eventually we may want to show the user an error dialog, and then restart the 2108 // camera and encoder gracefully. For now, we just delete the file and bail out. 2109 if (fileName != null && new File(fileName).exists()) { 2110 deleteVideoFile(fileName); 2111 } 2112 try { 2113 if (Class.forName("android.filterpacks.videosink.MediaRecorderStopException") 2114 .isInstance(exception)) { 2115 Log.w(TAG, "Problem recoding video file. Removing incomplete file."); 2116 return; 2117 } 2118 } catch (ClassNotFoundException ex) { 2119 Log.w(TAG, ex); 2120 } 2121 throw new RuntimeException("Error during recording!", exception); 2122 } 2123 2124 private void initializeControlByIntent() { 2125 mBlocker = mRootView.findViewById(R.id.blocker); 2126 mMenu = mRootView.findViewById(R.id.menu); 2127 mMenu.setOnClickListener(new OnClickListener() { 2128 @Override 2129 public void onClick(View v) { 2130 if (mPieRenderer != null) { 2131 mPieRenderer.showInCenter(); 2132 } 2133 } 2134 }); 2135 mOnScreenIndicators = mRootView.findViewById(R.id.on_screen_indicators); 2136 if (mIsVideoCaptureIntent) { 2137 mActivity.hideSwitcher(); 2138 // Cannot use RotateImageView for "done" and "cancel" button because 2139 // the tablet layout uses RotateLayout, which cannot be cast to 2140 // RotateImageView. 2141 mReviewDoneButton = (Rotatable) mRootView.findViewById(R.id.btn_done); 2142 mReviewCancelButton = (Rotatable) mRootView.findViewById(R.id.btn_cancel); 2143 mReviewPlayButton = (RotateImageView) mRootView.findViewById(R.id.btn_play); 2144 2145 ((View) mReviewCancelButton).setVisibility(View.VISIBLE); 2146 2147 ((View) mReviewDoneButton).setOnClickListener(new OnClickListener() { 2148 @Override 2149 public void onClick(View v) { 2150 onReviewDoneClicked(v); 2151 } 2152 }); 2153 ((View) mReviewCancelButton).setOnClickListener(new OnClickListener() { 2154 @Override 2155 public void onClick(View v) { 2156 onReviewCancelClicked(v); 2157 } 2158 }); 2159 2160 ((View) mReviewPlayButton).setOnClickListener(new OnClickListener() { 2161 @Override 2162 public void onClick(View v) { 2163 onReviewPlayClicked(v); 2164 } 2165 }); 2166 2167 2168 // Not grayed out upon disabled, to make the follow-up fade-out 2169 // effect look smooth. Note that the review done button in tablet 2170 // layout is not a TwoStateImageView. 2171 if (mReviewDoneButton instanceof TwoStateImageView) { 2172 ((TwoStateImageView) mReviewDoneButton).enableFilter(false); 2173 } 2174 } 2175 } 2176 2177 private void initializeMiscControls() { 2178 mPreviewFrameLayout = (PreviewFrameLayout) mRootView.findViewById(R.id.frame); 2179 mPreviewFrameLayout.setOnLayoutChangeListener(mActivity); 2180 mReviewImage = (ImageView) mRootView.findViewById(R.id.review_image); 2181 2182 mShutterButton = mActivity.getShutterButton(); 2183 mShutterButton.setImageResource(R.drawable.btn_new_shutter_video); 2184 mShutterButton.setOnShutterButtonListener(this); 2185 mShutterButton.requestFocus(); 2186 2187 // Disable the shutter button if effects are ON since it might take 2188 // a little more time for the effects preview to be ready. We do not 2189 // want to allow recording before that happens. The shutter button 2190 // will be enabled when we get the message from effectsrecorder that 2191 // the preview is running. This becomes critical when the camera is 2192 // swapped. 2193 if (effectsActive()) { 2194 mShutterButton.setEnabled(false); 2195 } 2196 2197 mRecordingTimeView = (TextView) mRootView.findViewById(R.id.recording_time); 2198 mRecordingTimeRect = (RotateLayout) mRootView.findViewById(R.id.recording_time_rect); 2199 mTimeLapseLabel = mRootView.findViewById(R.id.time_lapse_label); 2200 // The R.id.labels can only be found in phone layout. 2201 // That is, mLabelsLinearLayout should be null in tablet layout. 2202 mLabelsLinearLayout = (LinearLayout) mRootView.findViewById(R.id.labels); 2203 2204 mBgLearningMessageRotater = (RotateLayout) mRootView.findViewById(R.id.bg_replace_message); 2205 mBgLearningMessageFrame = mRootView.findViewById(R.id.bg_replace_message_frame); 2206 } 2207 2208 @Override 2209 public void onConfigurationChanged(Configuration newConfig) { 2210 setDisplayOrientation(); 2211 2212 // Change layout in response to configuration change 2213 LayoutInflater inflater = mActivity.getLayoutInflater(); 2214 ((ViewGroup) mRootView).removeAllViews(); 2215 inflater.inflate(R.layout.video_module, (ViewGroup) mRootView); 2216 2217 // from onCreate() 2218 initializeControlByIntent(); 2219 initializeOverlay(); 2220 initializeSurfaceView(); 2221 initializeMiscControls(); 2222 showTimeLapseUI(mCaptureTimeLapse); 2223 initializeVideoSnapshot(); 2224 resizeForPreviewAspectRatio(); 2225 2226 // from onResume() 2227 showVideoSnapshotUI(false); 2228 initializeZoom(); 2229 onFullScreenChanged(mActivity.isInCameraApp()); 2230 } 2231 2232 @Override 2233 public void onOverriddenPreferencesClicked() { 2234 } 2235 2236 @Override 2237 // TODO: Delete this after old camera code is removed 2238 public void onRestorePreferencesClicked() { 2239 } 2240 2241 private boolean effectsActive() { 2242 return (mEffectType != EffectsRecorder.EFFECT_NONE); 2243 } 2244 2245 @Override 2246 public void onSharedPreferenceChanged() { 2247 // ignore the events after "onPause()" or preview has not started yet 2248 if (mPaused) return; 2249 synchronized (mPreferences) { 2250 // If mCameraDevice is not ready then we can set the parameter in 2251 // startPreview(). 2252 if (mActivity.mCameraDevice == null) return; 2253 2254 boolean recordLocation = RecordLocationPreference.get( 2255 mPreferences, mContentResolver); 2256 mLocationManager.recordLocation(recordLocation); 2257 2258 // Check if the current effects selection has changed 2259 if (updateEffectSelection()) return; 2260 2261 readVideoPreferences(); 2262 showTimeLapseUI(mCaptureTimeLapse); 2263 // We need to restart the preview if preview size is changed. 2264 Size size = mParameters.getPreviewSize(); 2265 if (size.width != mDesiredPreviewWidth 2266 || size.height != mDesiredPreviewHeight) { 2267 if (!effectsActive()) { 2268 stopPreview(); 2269 } else { 2270 mEffectsRecorder.release(); 2271 mEffectsRecorder = null; 2272 } 2273 resizeForPreviewAspectRatio(); 2274 startPreview(); // Parameters will be set in startPreview(). 2275 } else { 2276 setCameraParameters(); 2277 } 2278 } 2279 } 2280 2281 private void switchCamera() { 2282 if (mPaused) return; 2283 2284 Log.d(TAG, "Start to switch camera."); 2285 mCameraId = mPendingSwitchCameraId; 2286 mPendingSwitchCameraId = -1; 2287 mVideoControl.setCameraId(mCameraId); 2288 2289 closeCamera(); 2290 2291 // Restart the camera and initialize the UI. From onCreate. 2292 mPreferences.setLocalId(mActivity, mCameraId); 2293 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 2294 openCamera(); 2295 readVideoPreferences(); 2296 startPreview(); 2297 initializeVideoSnapshot(); 2298 resizeForPreviewAspectRatio(); 2299 initializeVideoControl(); 2300 2301 // From onResume 2302 initializeZoom(); 2303 setOrientationIndicator(mOrientationCompensation, false); 2304 2305 if (ApiHelper.HAS_SURFACE_TEXTURE) { 2306 // Start switch camera animation. Post a message because 2307 // onFrameAvailable from the old camera may already exist. 2308 mHandler.sendEmptyMessage(SWITCH_CAMERA_START_ANIMATION); 2309 } 2310 } 2311 2312 // Preview texture has been copied. Now camera can be released and the 2313 // animation can be started. 2314 @Override 2315 public void onPreviewTextureCopied() { 2316 mHandler.sendEmptyMessage(SWITCH_CAMERA); 2317 } 2318 2319 @Override 2320 public void onCaptureTextureCopied() { 2321 } 2322 2323 private boolean updateEffectSelection() { 2324 int previousEffectType = mEffectType; 2325 Object previousEffectParameter = mEffectParameter; 2326 mEffectType = CameraSettings.readEffectType(mPreferences); 2327 mEffectParameter = CameraSettings.readEffectParameter(mPreferences); 2328 2329 if (mEffectType == previousEffectType) { 2330 if (mEffectType == EffectsRecorder.EFFECT_NONE) return false; 2331 if (mEffectParameter.equals(previousEffectParameter)) return false; 2332 } 2333 Log.v(TAG, "New effect selection: " + mPreferences.getString( 2334 CameraSettings.KEY_VIDEO_EFFECT, "none")); 2335 2336 if (mEffectType == EffectsRecorder.EFFECT_NONE) { 2337 // Stop effects and return to normal preview 2338 mEffectsRecorder.stopPreview(); 2339 mPreviewing = false; 2340 return true; 2341 } 2342 if (mEffectType == EffectsRecorder.EFFECT_BACKDROPPER && 2343 ((String) mEffectParameter).equals(EFFECT_BG_FROM_GALLERY)) { 2344 // Request video from gallery to use for background 2345 Intent i = new Intent(Intent.ACTION_PICK); 2346 i.setDataAndType(Video.Media.EXTERNAL_CONTENT_URI, 2347 "video/*"); 2348 i.putExtra(Intent.EXTRA_LOCAL_ONLY, true); 2349 mActivity.startActivityForResult(i, REQUEST_EFFECT_BACKDROPPER); 2350 return true; 2351 } 2352 if (previousEffectType == EffectsRecorder.EFFECT_NONE) { 2353 // Stop regular preview and start effects. 2354 stopPreview(); 2355 checkQualityAndStartPreview(); 2356 } else { 2357 // Switch currently running effect 2358 mEffectsRecorder.setEffect(mEffectType, mEffectParameter); 2359 } 2360 return true; 2361 } 2362 2363 // Verifies that the current preview view size is correct before starting 2364 // preview. If not, resets the surface texture and resizes the view. 2365 private void checkQualityAndStartPreview() { 2366 readVideoPreferences(); 2367 showTimeLapseUI(mCaptureTimeLapse); 2368 Size size = mParameters.getPreviewSize(); 2369 if (size.width != mDesiredPreviewWidth 2370 || size.height != mDesiredPreviewHeight) { 2371 resizeForPreviewAspectRatio(); 2372 } 2373 // Start up preview again 2374 startPreview(); 2375 } 2376 2377 private void showTimeLapseUI(boolean enable) { 2378 if (mTimeLapseLabel != null) { 2379 mTimeLapseLabel.setVisibility(enable ? View.VISIBLE : View.GONE); 2380 } 2381 } 2382 2383 @Override 2384 public boolean dispatchTouchEvent(MotionEvent m) { 2385 if (mSwitchingCamera) return true; 2386 if (mPopup == null && mGestures != null && mRenderOverlay != null) { 2387 return mGestures.dispatchTouch(m); 2388 } else if (mPopup != null) { 2389 return mActivity.superDispatchTouchEvent(m); 2390 } 2391 return false; 2392 } 2393 2394 private class ZoomChangeListener implements ZoomRenderer.OnZoomChangedListener { 2395 @Override 2396 public void onZoomValueChanged(int value) { 2397 // Not useful to change zoom value when the activity is paused. 2398 if (mPaused) return; 2399 mZoomValue = value; 2400 // Set zoom parameters asynchronously 2401 mParameters.setZoom(mZoomValue); 2402 mActivity.mCameraDevice.setParametersAsync(mParameters); 2403 Parameters p = mActivity.mCameraDevice.getParameters(); 2404 mZoomRenderer.setZoomValue(mZoomRatios.get(p.getZoom())); 2405 } 2406 2407 @Override 2408 public void onZoomStart() { 2409 } 2410 @Override 2411 public void onZoomEnd() { 2412 } 2413 } 2414 2415 private void initializeZoom() { 2416 if (!mParameters.isZoomSupported()) return; 2417 mZoomMax = mParameters.getMaxZoom(); 2418 mZoomRatios = mParameters.getZoomRatios(); 2419 // Currently we use immediate zoom for fast zooming to get better UX and 2420 // there is no plan to take advantage of the smooth zoom. 2421 mZoomRenderer.setZoomMax(mZoomMax); 2422 mZoomRenderer.setZoom(mParameters.getZoom()); 2423 mZoomRenderer.setZoomValue(mZoomRatios.get(mParameters.getZoom())); 2424 mZoomRenderer.setOnZoomChangeListener(new ZoomChangeListener()); 2425 } 2426 2427 private void initializeVideoSnapshot() { 2428 if (Util.isVideoSnapshotSupported(mParameters) && !mIsVideoCaptureIntent) { 2429 mActivity.setSingleTapUpListener(mPreviewFrameLayout); 2430 // Show the tap to focus toast if this is the first start. 2431 if (mPreferences.getBoolean( 2432 CameraSettings.KEY_VIDEO_FIRST_USE_HINT_SHOWN, true)) { 2433 // Delay the toast for one second to wait for orientation. 2434 mHandler.sendEmptyMessageDelayed(SHOW_TAP_TO_SNAPSHOT_TOAST, 1000); 2435 } 2436 } else { 2437 mActivity.setSingleTapUpListener(null); 2438 } 2439 } 2440 2441 void showVideoSnapshotUI(boolean enabled) { 2442 if (Util.isVideoSnapshotSupported(mParameters) && !mIsVideoCaptureIntent) { 2443 if (ApiHelper.HAS_SURFACE_TEXTURE && enabled) { 2444 ((CameraScreenNail) mActivity.mCameraScreenNail).animateCapture(mDisplayRotation); 2445 } else { 2446 mPreviewFrameLayout.showBorder(enabled); 2447 } 2448 mShutterButton.setEnabled(!enabled); 2449 } 2450 } 2451 2452 // Preview area is touched. Take a picture. 2453 @Override 2454 public void onSingleTapUp(View view, int x, int y) { 2455 if (mMediaRecorderRecording && effectsActive()) { 2456 new RotateTextToast(mActivity, R.string.disable_video_snapshot_hint, 2457 mOrientation).show(); 2458 return; 2459 } 2460 2461 if (mPaused || mSnapshotInProgress || effectsActive()) { 2462 return; 2463 } 2464 2465 if (!mMediaRecorderRecording) { 2466 // check for dismissing popup 2467 if (mPopup != null) { 2468 dismissPopup(true); 2469 } 2470 return; 2471 } 2472 2473 // Set rotation and gps data. 2474 int rotation = Util.getJpegRotation(mCameraId, mOrientation); 2475 mParameters.setRotation(rotation); 2476 Location loc = mLocationManager.getCurrentLocation(); 2477 Util.setGpsParameters(mParameters, loc); 2478 mActivity.mCameraDevice.setParameters(mParameters); 2479 2480 Log.v(TAG, "Video snapshot start"); 2481 mActivity.mCameraDevice.takePicture(null, null, null, new JpegPictureCallback(loc)); 2482 showVideoSnapshotUI(true); 2483 mSnapshotInProgress = true; 2484 } 2485 2486 @Override 2487 public void updateCameraAppView() { 2488 if (!mPreviewing || mParameters.getFlashMode() == null) return; 2489 2490 // When going to and back from gallery, we need to turn off/on the flash. 2491 if (!mActivity.mShowCameraAppView) { 2492 if (mParameters.getFlashMode().equals(Parameters.FLASH_MODE_OFF)) { 2493 mRestoreFlash = false; 2494 return; 2495 } 2496 mRestoreFlash = true; 2497 setCameraParameters(); 2498 } else if (mRestoreFlash) { 2499 mRestoreFlash = false; 2500 setCameraParameters(); 2501 } 2502 } 2503 2504 private void setShowMenu(boolean show) { 2505 if (mOnScreenIndicators != null) { 2506 mOnScreenIndicators.setVisibility(show ? View.VISIBLE : View.GONE); 2507 } 2508 if (mMenu != null) { 2509 mMenu.setVisibility(show ? View.VISIBLE : View.GONE); 2510 } 2511 } 2512 2513 @Override 2514 public void onFullScreenChanged(boolean full) { 2515 if (mGestures != null) { 2516 mGestures.setEnabled(full); 2517 } 2518 if (mPopup != null) { 2519 dismissPopup(false, full); 2520 } 2521 if (mRenderOverlay != null) { 2522 // this can not happen in capture mode 2523 mRenderOverlay.setVisibility(full ? View.VISIBLE : View.GONE); 2524 } 2525 setShowMenu(full); 2526 if (mBlocker != null) { 2527 // this can not happen in capture mode 2528 mBlocker.setVisibility(full ? View.VISIBLE : View.GONE); 2529 } 2530 if (ApiHelper.HAS_SURFACE_TEXTURE) { 2531 if (mActivity.mCameraScreenNail != null) { 2532 ((CameraScreenNail) mActivity.mCameraScreenNail).setFullScreen(full); 2533 } 2534 return; 2535 } 2536 if (full) { 2537 mPreviewSurfaceView.expand(); 2538 } else { 2539 mPreviewSurfaceView.shrink(); 2540 } 2541 } 2542 2543 private final class JpegPictureCallback implements PictureCallback { 2544 Location mLocation; 2545 2546 public JpegPictureCallback(Location loc) { 2547 mLocation = loc; 2548 } 2549 2550 @Override 2551 public void onPictureTaken(byte [] jpegData, android.hardware.Camera camera) { 2552 Log.v(TAG, "onPictureTaken"); 2553 mSnapshotInProgress = false; 2554 showVideoSnapshotUI(false); 2555 storeImage(jpegData, mLocation); 2556 } 2557 } 2558 2559 private void storeImage(final byte[] data, Location loc) { 2560 long dateTaken = System.currentTimeMillis(); 2561 String title = Util.createJpegName(dateTaken); 2562 int orientation = Exif.getOrientation(data); 2563 Size s = mParameters.getPictureSize(); 2564 Uri uri = Storage.addImage(mContentResolver, title, dateTaken, loc, orientation, data, 2565 s.width, s.height); 2566 if (uri != null) { 2567 Util.broadcastNewPicture(mActivity, uri); 2568 } 2569 } 2570 2571 private boolean resetEffect() { 2572 if (mResetEffect) { 2573 String value = mPreferences.getString(CameraSettings.KEY_VIDEO_EFFECT, 2574 mPrefVideoEffectDefault); 2575 if (!mPrefVideoEffectDefault.equals(value)) { 2576 writeDefaultEffectToPrefs(); 2577 return true; 2578 } 2579 } 2580 mResetEffect = true; 2581 return false; 2582 } 2583 2584 private String convertOutputFormatToMimeType(int outputFileFormat) { 2585 if (outputFileFormat == MediaRecorder.OutputFormat.MPEG_4) { 2586 return "video/mp4"; 2587 } 2588 return "video/3gpp"; 2589 } 2590 2591 private String convertOutputFormatToFileExt(int outputFileFormat) { 2592 if (outputFileFormat == MediaRecorder.OutputFormat.MPEG_4) { 2593 return ".mp4"; 2594 } 2595 return ".3gp"; 2596 } 2597 2598 private void closeVideoFileDescriptor() { 2599 if (mVideoFileDescriptor != null) { 2600 try { 2601 mVideoFileDescriptor.close(); 2602 } catch (IOException e) { 2603 Log.e(TAG, "Fail to close fd", e); 2604 } 2605 mVideoFileDescriptor = null; 2606 } 2607 } 2608 2609 private void showTapToSnapshotToast() { 2610 new RotateTextToast(mActivity, R.string.video_snapshot_hint, mOrientationCompensation) 2611 .show(); 2612 // Clear the preference. 2613 Editor editor = mPreferences.edit(); 2614 editor.putBoolean(CameraSettings.KEY_VIDEO_FIRST_USE_HINT_SHOWN, false); 2615 editor.apply(); 2616 } 2617 2618 private void clearVideoNamer() { 2619 if (mVideoNamer != null) { 2620 mVideoNamer.finish(); 2621 mVideoNamer = null; 2622 } 2623 } 2624 2625 private static class VideoNamer extends Thread { 2626 private boolean mRequestPending; 2627 private ContentResolver mResolver; 2628 private ContentValues mValues; 2629 private boolean mStop; 2630 private Uri mUri; 2631 2632 // Runs in main thread 2633 public VideoNamer() { 2634 start(); 2635 } 2636 2637 // Runs in main thread 2638 public synchronized void prepareUri( 2639 ContentResolver resolver, ContentValues values) { 2640 mRequestPending = true; 2641 mResolver = resolver; 2642 mValues = new ContentValues(values); 2643 notifyAll(); 2644 } 2645 2646 // Runs in main thread 2647 public synchronized Uri getUri() { 2648 // wait until the request is done. 2649 while (mRequestPending) { 2650 try { 2651 wait(); 2652 } catch (InterruptedException ex) { 2653 // ignore. 2654 } 2655 } 2656 Uri uri = mUri; 2657 mUri = null; 2658 return uri; 2659 } 2660 2661 // Runs in namer thread 2662 @Override 2663 public synchronized void run() { 2664 while (true) { 2665 if (mStop) break; 2666 if (!mRequestPending) { 2667 try { 2668 wait(); 2669 } catch (InterruptedException ex) { 2670 // ignore. 2671 } 2672 continue; 2673 } 2674 cleanOldUri(); 2675 generateUri(); 2676 mRequestPending = false; 2677 notifyAll(); 2678 } 2679 cleanOldUri(); 2680 } 2681 2682 // Runs in main thread 2683 public synchronized void finish() { 2684 mStop = true; 2685 notifyAll(); 2686 } 2687 2688 // Runs in namer thread 2689 private void generateUri() { 2690 Uri videoTable = Uri.parse("content://media/external/video/media"); 2691 mUri = mResolver.insert(videoTable, mValues); 2692 } 2693 2694 // Runs in namer thread 2695 private void cleanOldUri() { 2696 if (mUri == null) return; 2697 mResolver.delete(mUri, null, null); 2698 mUri = null; 2699 } 2700 } 2701 2702 private class SurfaceViewCallback implements SurfaceHolder.Callback { 2703 public SurfaceViewCallback() {} 2704 2705 @Override 2706 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { 2707 Log.v(TAG, "Surface changed. width=" + width + ". height=" + height); 2708 } 2709 2710 @Override 2711 public void surfaceCreated(SurfaceHolder holder) { 2712 Log.v(TAG, "Surface created"); 2713 mSurfaceViewReady = true; 2714 if (mPaused) return; 2715 if (!ApiHelper.HAS_SURFACE_TEXTURE) { 2716 mActivity.mCameraDevice.setPreviewDisplayAsync(mPreviewSurfaceView.getHolder()); 2717 if (!mPreviewing) { 2718 startPreview(); 2719 } 2720 } 2721 } 2722 2723 @Override 2724 public void surfaceDestroyed(SurfaceHolder holder) { 2725 Log.v(TAG, "Surface destroyed"); 2726 mSurfaceViewReady = false; 2727 if (mPaused) return; 2728 if (!ApiHelper.HAS_SURFACE_TEXTURE) { 2729 stopVideoRecording(); 2730 stopPreview(); 2731 } 2732 } 2733 } 2734 2735 @Override 2736 public boolean updateStorageHintOnResume() { 2737 return true; 2738 } 2739 2740 // required by OnPreferenceChangedListener 2741 @Override 2742 public void onCameraPickerClicked(int cameraId) { 2743 if (mPaused || mPendingSwitchCameraId != -1) return; 2744 2745 mPendingSwitchCameraId = cameraId; 2746 if (ApiHelper.HAS_SURFACE_TEXTURE) { 2747 Log.d(TAG, "Start to copy texture."); 2748 // We need to keep a preview frame for the animation before 2749 // releasing the camera. This will trigger onPreviewTextureCopied. 2750 ((CameraScreenNail) mActivity.mCameraScreenNail).copyTexture(); 2751 // Disable all camera controls. 2752 mSwitchingCamera = true; 2753 } else { 2754 switchCamera(); 2755 } 2756 } 2757 2758 @Override 2759 public boolean needsSwitcher() { 2760 return !mIsVideoCaptureIntent; 2761 } 2762 2763 @Override 2764 public void onPieOpened(int centerX, int centerY) { 2765 mActivity.cancelActivityTouchHandling(); 2766 mActivity.setSwipingEnabled(false); 2767 } 2768 2769 @Override 2770 public void onPieClosed() { 2771 mActivity.setSwipingEnabled(true); 2772 } 2773 2774 public void showPopup(AbstractSettingPopup popup) { 2775 mActivity.hideUI(); 2776 setShowMenu(false); 2777 mPopup = popup; 2778 // Make sure popup is brought up with the right orientation 2779 mPopup.setOrientation(mOrientationCompensation, false); 2780 mPopup.setVisibility(View.VISIBLE); 2781 FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT, 2782 LayoutParams.WRAP_CONTENT); 2783 lp.gravity = Gravity.CENTER; 2784 ((FrameLayout) mRootView).addView(mPopup, lp); 2785 } 2786 2787 public void dismissPopup(boolean topLevelOnly) { 2788 dismissPopup(topLevelOnly, true); 2789 } 2790 2791 public void dismissPopup(boolean topLevelPopupOnly, boolean fullScreen) { 2792 if (fullScreen) { 2793 mActivity.showUI(); 2794 } 2795 setShowMenu(fullScreen); 2796 if (mPopup != null) { 2797 ((FrameLayout) mRootView).removeView(mPopup); 2798 mPopup = null; 2799 } 2800 mVideoControl.popupDismissed(topLevelPopupOnly); 2801 } 2802 2803 @Override 2804 public void onShowSwitcherPopup() { 2805 if (mPieRenderer.showsItems()) { 2806 mPieRenderer.hide(); 2807 } 2808 } 2809} 2810