/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.android.camera; import com.android.camera.ui.CamcorderHeadUpDisplay; import com.android.camera.ui.CameraPicker; import com.android.camera.ui.GLRootView; import com.android.camera.ui.HeadUpDisplay; import com.android.camera.ui.IndicatorWheel; import com.android.camera.ui.RotateImageView; import android.content.ActivityNotFoundException; import android.content.BroadcastReceiver; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.res.Configuration; import android.graphics.Bitmap; import android.hardware.Camera.CameraInfo; import android.hardware.Camera.Parameters; import android.hardware.Camera.Size; import android.media.CamcorderProfile; import android.media.MediaRecorder; import android.media.ThumbnailUtils; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.ParcelFileDescriptor; import android.os.SystemClock; import android.provider.MediaStore; import android.provider.MediaStore.Video; import android.provider.Settings; import android.util.Log; import android.view.GestureDetector; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.MenuItem.OnMenuItemClickListener; import android.view.MotionEvent; import android.view.OrientationEventListener; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import java.io.File; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; /** * The Camcorder activity. */ public class VideoCamera extends ActivityBase implements View.OnClickListener, ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback, MediaRecorder.OnErrorListener, MediaRecorder.OnInfoListener, Switcher.OnSwitchListener, PreviewFrameLayout.OnSizeChangedListener { private static final String TAG = "videocamera"; private static final String LAST_THUMB_FILENAME = "video_last_thumb"; private static final int CHECK_DISPLAY_ROTATION = 3; private static final int CLEAR_SCREEN_DELAY = 4; private static final int UPDATE_RECORD_TIME = 5; private static final int ENABLE_SHUTTER_BUTTON = 6; private static final int SCREEN_DELAY = 2 * 60 * 1000; // The brightness settings used when it is set to automatic in the system. // The reason why it is set to 0.7 is just because 1.0 is too bright. private static final float DEFAULT_CAMERA_BRIGHTNESS = 0.7f; private static final long LOW_STORAGE_THRESHOLD = 512L * 1024L; private static final boolean SWITCH_CAMERA = true; private static final boolean SWITCH_VIDEO = false; private static final long SHUTTER_BUTTON_TIMEOUT = 500L; // 500ms private static final int[] TIME_LAPSE_VIDEO_QUALITY = { CamcorderProfile.QUALITY_TIME_LAPSE_1080P, CamcorderProfile.QUALITY_TIME_LAPSE_720P, CamcorderProfile.QUALITY_TIME_LAPSE_480P, CamcorderProfile.QUALITY_TIME_LAPSE_CIF, CamcorderProfile.QUALITY_TIME_LAPSE_QCIF}; private static final int[] VIDEO_QUALITY = { CamcorderProfile.QUALITY_1080P, CamcorderProfile.QUALITY_720P, CamcorderProfile.QUALITY_480P, CamcorderProfile.QUALITY_CIF, CamcorderProfile.QUALITY_QCIF}; /** * An unpublished intent flag requesting to start recording straight away * and return as soon as recording is stopped. * TODO: consider publishing by moving into MediaStore. */ private final static String EXTRA_QUICK_CAPTURE = "android.intent.extra.quickCapture"; private android.hardware.Camera mCameraDevice; private final CameraErrorCallback mErrorCallback = new CameraErrorCallback(); private ComboPreferences mPreferences; private PreferenceGroup mPreferenceGroup; private PreviewFrameLayout mPreviewFrameLayout; private SurfaceHolder mSurfaceHolder = null; private GLRootView mGLRootView; // w1024dp devices use indicator wheel. Other devices use head-up display. private CamcorderHeadUpDisplay mHeadUpDisplay; private IndicatorWheel mIndicatorWheel; // Front/back camera picker for w1024dp layout. private CameraPicker mCameraPicker; private View mReviewControl; private Toast mNoShareToast; // A button showing the last captured video thumbnail. Clicking on it // goes to gallery. private RotateImageView mThumbnailButton; // The bitmap of the last captured video thumbnail and the URI of the // original video. private Thumbnail mThumbnail; // An review image having same size as preview. It is displayed when // recording is stopped in capture intent or share button is pressed. private ImageView mReviewImage; private ShutterButton mShutterButton; private TextView mRecordingTimeView; private SwitcherSet mSwitcher; private boolean mIsVideoCaptureIntent; private boolean mQuickCapture; private boolean mOpenCameraFail = false; private boolean mCameraDisabled = false; private long mStorageSpace; private MediaRecorder mMediaRecorder; private boolean mMediaRecorderRecording = false; private long mRecordingStartTime; private boolean mRecordingTimeCountsDown = false; private long mOnResumeTime; // The video file that the hardware camera is about to record into // (or is recording into.) private String mVideoFilename; private ParcelFileDescriptor mVideoFileDescriptor; // The video file that has already been recorded, and that is being // examined by the user. private String mCurrentVideoFilename; private Uri mCurrentVideoUri; private ContentValues mCurrentVideoValues; private CamcorderProfile mProfile; // The array of video quality profiles supported by each camera(s). Here the // cameraId is the index of the array to get the profile map which contain // the set of quality string and its real quality of a camera. private HashMap[] mProfileQuality; private HashMap[] mTimeLapseProfileQuality; // The video duration limit. 0 menas no limit. private int mMaxVideoDurationInMs; // Time Lapse parameters. private boolean mCaptureTimeLapse = false; // Default 0. If it is larger than 0, the camcorder is in time lapse mode. private int mTimeBetweenTimeLapseFrameCaptureMs = 0; private View mTimeLapseLabel; private View mPreviewBorder; private int mDesiredPreviewWidth; private int mDesiredPreviewHeight; boolean mPausing = false; boolean mPreviewing = false; // True if preview is started. // The display rotation in degrees. This is only valid when mPreviewing is // true. private int mDisplayRotation; private ContentResolver mContentResolver; private final ArrayList mGalleryItems = new ArrayList(); private final Handler mHandler = new MainHandler(); private Parameters mParameters; // multiple cameras support private int mNumberOfCameras; private int mCameraId; private int mFrontCameraId; private int mBackCameraId; private GestureDetector mPopupGestureDetector; private MyOrientationEventListener mOrientationListener; // The device orientation in degrees. Default is unknown. private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; // The orientation compensation for icons and thumbnails. private int mOrientationCompensation = 0; private int mOrientationHint; // the orientation hint for video playback // This Handler is used to post message back onto the main thread of the // application private class MainHandler extends Handler { @Override public void handleMessage(Message msg) { switch (msg.what) { case ENABLE_SHUTTER_BUTTON: mShutterButton.setEnabled(true); break; case CLEAR_SCREEN_DELAY: { getWindow().clearFlags( WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); break; } case UPDATE_RECORD_TIME: { updateRecordingTime(); break; } case CHECK_DISPLAY_ROTATION: { // Restart the preview if display rotation has changed. // Sometimes this happens when the device is held upside // down and camera app is opened. Rotation animation will // take some time and the rotation value we have got may be // wrong. Framework does not have a callback for this now. if ((Util.getDisplayRotation(VideoCamera.this) != mDisplayRotation) && !mMediaRecorderRecording) { startPreview(); } if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) { mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100); } break; } default: Log.v(TAG, "Unhandled message: " + msg.what); break; } } } private BroadcastReceiver mReceiver = null; private class MyBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (action.equals(Intent.ACTION_MEDIA_EJECT)) { updateAndShowStorageHint(); stopVideoRecording(); } else if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) { updateAndShowStorageHint(); updateThumbnailButton(); } else if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED)) { // SD card unavailable // handled in ACTION_MEDIA_EJECT } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) { Toast.makeText(VideoCamera.this, getResources().getString(R.string.wait), Toast.LENGTH_LONG).show(); } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { updateAndShowStorageHint(); } } } private String createName(long dateTaken) { Date date = new Date(dateTaken); SimpleDateFormat dateFormat = new SimpleDateFormat( getString(R.string.video_file_name_format)); return dateFormat.format(date); } @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); Window win = getWindow(); // Overright the brightness settings if it is automatic int mode = Settings.System.getInt( getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL); if (mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) { WindowManager.LayoutParams winParams = win.getAttributes(); winParams.screenBrightness = DEFAULT_CAMERA_BRIGHTNESS; win.setAttributes(winParams); } mPreferences = new ComboPreferences(this); CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); mCameraId = CameraSettings.readPreferredCameraId(mPreferences); //Testing purpose. Launch a specific camera through the intent extras. int intentCameraId = Util.getCameraFacingIntentExtras(this); if (intentCameraId != -1) { mCameraId = intentCameraId; } mPreferences.setLocalId(this, mCameraId); CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); mNumberOfCameras = CameraHolder.instance().getNumberOfCameras(); /* * To reduce startup time, we start the preview in another thread. * We make sure the preview is started at the end of onCreate. */ Thread startPreviewThread = new Thread(new Runnable() { public void run() { try { mCameraDevice = Util.openCamera(VideoCamera.this, mCameraId); readVideoPreferences(); startPreview(); } catch(CameraHardwareException e) { mOpenCameraFail = true; } catch(CameraDisabledException e) { mCameraDisabled = true; } } }); startPreviewThread.start(); mContentResolver = getContentResolver(); requestWindowFeature(Window.FEATURE_PROGRESS); mIsVideoCaptureIntent = isVideoCaptureIntent(); if (mIsVideoCaptureIntent) { setContentView(R.layout.video_camera_attach); mReviewControl = findViewById(R.id.review_control); mReviewControl.setVisibility(View.VISIBLE); findViewById(R.id.btn_cancel).setOnClickListener(this); findViewById(R.id.btn_done).setOnClickListener(this); findViewById(R.id.btn_play).setOnClickListener(this); View retake = findViewById(R.id.btn_retake); retake.setOnClickListener(this); if (retake instanceof ImageView) { ((ImageView) retake).setImageResource(R.drawable.btn_ic_review_retake_video); } else { ((Button) retake).setCompoundDrawablesWithIntrinsicBounds( R.drawable.ic_switch_video_holo_dark, 0, 0, 0); } } else { setContentView(R.layout.video_camera); initThumbnailButton(); mSwitcher = (SwitcherSet) findViewById(R.id.camera_switch); mSwitcher.setVisibility(View.VISIBLE); mSwitcher.setOnSwitchListener(this); } mPreviewFrameLayout = (PreviewFrameLayout) findViewById(R.id.frame_layout); mPreviewFrameLayout.setOnSizeChangedListener(this); mReviewImage = (ImageView) findViewById(R.id.review_image); // don't set mSurfaceHolder here. We have it set ONLY within // surfaceCreated / surfaceDestroyed, other parts of the code // assume that when it is set, the surface is also set. SurfaceView preview = (SurfaceView) findViewById(R.id.camera_preview); SurfaceHolder holder = preview.getHolder(); holder.addCallback(this); holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); mQuickCapture = getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); mShutterButton = (ShutterButton) findViewById(R.id.shutter_button); mShutterButton.setImageResource(R.drawable.btn_ic_video_record); mShutterButton.setOnShutterButtonListener(this); mShutterButton.requestFocus(); mRecordingTimeView = (TextView) findViewById(R.id.recording_time); mOrientationListener = new MyOrientationEventListener(VideoCamera.this); mTimeLapseLabel = findViewById(R.id.time_lapse_label); mPreviewBorder = findViewById(R.id.preview_border); // Make sure preview is started. try { startPreviewThread.join(); if (mOpenCameraFail) { Util.showErrorAndFinish(this, R.string.cannot_connect_camera); return; } else if (mCameraDisabled) { Util.showErrorAndFinish(this, R.string.camera_disabled); return; } } catch (InterruptedException ex) { // ignore } showTimeLapseUI(mCaptureTimeLapse); resizeForPreviewAspectRatio(); mBackCameraId = CameraHolder.instance().getBackCameraId(); mFrontCameraId = CameraHolder.instance().getFrontCameraId(); // Initialize after startPreview becuase this need mParameters. initializeIndicatorWheel(); // w1024dp devices use indicator wheel. Other devices use head-up display. if (mIndicatorWheel == null) { mHeadUpDisplay = new CamcorderHeadUpDisplay(this); mHeadUpDisplay.setListener(new MyHeadUpDisplayListener()); initializeHeadUpDisplay(); } initializeCameraPicker(); } private void changeHeadUpDisplayState() { if (mHeadUpDisplay == null) return; // If the camera resumes behind the lock screen, the orientation // will be portrait. That causes OOM when we try to allocation GPU // memory for the GLSurfaceView again when the orientation changes. So, // we delayed initialization of HeadUpDisplay until the orientation // becomes landscape. Configuration config = getResources().getConfiguration(); if (config.orientation == Configuration.ORIENTATION_LANDSCAPE && !mPausing) { if (mGLRootView == null) attachHeadUpDisplay(); } else if (mGLRootView != null) { detachHeadUpDisplay(); } } private void initializeCameraPicker() { mCameraPicker = (CameraPicker) findViewById(R.id.camera_picker); if (mCameraPicker != null) { mCameraPicker.setImageResource(R.drawable.camera_toggle_video); ListPreference pref = mPreferenceGroup.findPreference( CameraSettings.KEY_CAMERA_ID); if (pref != null) { mCameraPicker.initialize(pref); mCameraPicker.setListener(new MyCameraPickerListener()); } } } private void loadCameraPreferences() { CameraSettings settings = new CameraSettings(this, mParameters, mCameraId, CameraHolder.instance().getCameraInfo()); mPreferenceGroup = settings.getPreferenceGroup(R.xml.video_preferences); } private void initializeHeadUpDisplay() { if (mHeadUpDisplay == null) return; loadCameraPreferences(); if (mIsVideoCaptureIntent) { mPreferenceGroup = filterPreferenceScreenByIntent(mPreferenceGroup); } mHeadUpDisplay.initialize(this, mPreferenceGroup, mOrientationCompensation); } private void attachHeadUpDisplay() { mHeadUpDisplay.setOrientation(mOrientationCompensation); ViewGroup frame = (ViewGroup) findViewById(R.id.frame); mGLRootView = new GLRootView(this); frame.addView(mGLRootView); mGLRootView.setContentPane(mHeadUpDisplay); } private void detachHeadUpDisplay() { mHeadUpDisplay.collapse(); ((ViewGroup) mGLRootView.getParent()).removeView(mGLRootView); mGLRootView = null; } private boolean collapseCameraControls() { if (mHeadUpDisplay != null && mHeadUpDisplay.collapse()) { return true; } if (mIndicatorWheel != null && mIndicatorWheel.dismissSettingPopup()) { return true; } return false; } private void enableCameraControls(boolean enable) { if (mHeadUpDisplay != null) mHeadUpDisplay.setEnabled(enable); if (mIndicatorWheel != null) mIndicatorWheel.setEnabled(enable); if (mCameraPicker != null) mCameraPicker.setEnabled(enable); if (mSwitcher != null) mSwitcher.setEnabled(enable); } private void initializeIndicatorWheel() { mIndicatorWheel = (IndicatorWheel) findViewById(R.id.indicator_wheel); if (mIndicatorWheel == null) return; loadCameraPreferences(); final String[] SETTING_KEYS = { CameraSettings.KEY_VIDEOCAMERA_FLASH_MODE, CameraSettings.KEY_VIDEO_QUALITY, CameraSettings.KEY_VIDEO_TIME_LAPSE_FRAME_INTERVAL}; final String[] OTHER_SETTING_KEYS = { CameraSettings.KEY_WHITE_BALANCE, CameraSettings.KEY_COLOR_EFFECT}; mIndicatorWheel.initialize(this, mPreferenceGroup, SETTING_KEYS, OTHER_SETTING_KEYS); mIndicatorWheel.setListener(new MyIndicatorWheelListener()); mPopupGestureDetector = new GestureDetector(this, new PopupGestureListener()); } public static int roundOrientation(int orientation) { return ((orientation + 45) / 90 * 90) % 360; } private class MyOrientationEventListener extends OrientationEventListener { public MyOrientationEventListener(Context context) { super(context); } @Override public void onOrientationChanged(int orientation) { if (mMediaRecorderRecording) return; // We keep the last known orientation. So if the user first orient // the camera then point the camera to floor or sky, we still have // the correct orientation. if (orientation == ORIENTATION_UNKNOWN) return; mOrientation = roundOrientation(orientation); // When the screen is unlocked, display rotation may change. Always // calculate the up-to-date orientationCompensation. int orientationCompensation = mOrientation + Util.getDisplayRotation(VideoCamera.this); if (mOrientationCompensation != orientationCompensation) { mOrientationCompensation = orientationCompensation; if (!mIsVideoCaptureIntent) { setOrientationIndicator(mOrientationCompensation); } if (mHeadUpDisplay != null) { mHeadUpDisplay.setOrientation(mOrientationCompensation); } } } } private void setOrientationIndicator(int degree) { RotateImageView icon = (RotateImageView) findViewById( R.id.review_thumbnail); if (icon != null) icon.setDegree(degree); icon = (RotateImageView) findViewById(R.id.camera_switch_icon); if (icon != null) icon.setDegree(degree); icon = (RotateImageView) findViewById(R.id.video_switch_icon); if (icon != null) icon.setDegree(degree); } private void startPlayVideoActivity() { Intent intent = new Intent(Intent.ACTION_VIEW, mCurrentVideoUri); try { startActivity(intent); } catch (ActivityNotFoundException ex) { Log.e(TAG, "Couldn't view video " + mCurrentVideoUri, ex); } } public void onClick(View v) { switch (v.getId()) { case R.id.btn_retake: deleteCurrentVideo(); hideAlert(); break; case R.id.btn_play: startPlayVideoActivity(); break; case R.id.btn_done: doReturnToCaller(true); break; case R.id.btn_cancel: stopVideoRecording(); doReturnToCaller(false); break; case R.id.review_thumbnail: if (!mMediaRecorderRecording && mThumbnail != null) { Util.viewUri(mThumbnail.getUri(), this); } break; case R.id.btn_gallery: gotoGallery(); break; } } public void onShutterButtonFocus(ShutterButton button, boolean pressed) { // Do nothing (everything happens in onShutterButtonClick). } private void onStopVideoRecording(boolean valid) { stopVideoRecording(); if (mIsVideoCaptureIntent) { if (mQuickCapture) { doReturnToCaller(valid); } else { showAlert(); } } else { getThumbnail(); } } public void onShutterButtonClick(ShutterButton button) { switch (button.getId()) { case R.id.shutter_button: if (collapseCameraControls()) return; boolean stop = mMediaRecorderRecording; if (stop) { onStopVideoRecording(true); } else { startVideoRecording(); } mShutterButton.setEnabled(false); // Keep the shutter button disabled when in video capture intent // mode and recording is stopped. It'll be re-enabled when // re-take button is clicked. if (!(mIsVideoCaptureIntent && stop)) { mHandler.sendEmptyMessageDelayed( ENABLE_SHUTTER_BUTTON, SHUTTER_BUTTON_TIMEOUT); } break; } } private OnScreenHint mStorageHint; private void updateAndShowStorageHint() { mStorageSpace = Storage.getAvailableSpace(); showStorageHint(); } private void showStorageHint() { String errorMessage = null; if (mStorageSpace == Storage.UNAVAILABLE) { errorMessage = getString(R.string.no_storage); } else if (mStorageSpace == Storage.PREPARING) { errorMessage = getString(R.string.preparing_sd); } else if (mStorageSpace == Storage.UNKNOWN_SIZE) { errorMessage = getString(R.string.access_sd_fail); } else if (mStorageSpace < LOW_STORAGE_THRESHOLD) { errorMessage = getString(R.string.spaceIsLow_content); } if (errorMessage != null) { if (mStorageHint == null) { mStorageHint = OnScreenHint.makeText(this, errorMessage); } else { mStorageHint.setText(errorMessage); } mStorageHint.show(); } else if (mStorageHint != null) { mStorageHint.cancel(); mStorageHint = null; } } private void readVideoPreferences() { String quality = mPreferences.getString( CameraSettings.KEY_VIDEO_QUALITY, CameraSettings.DEFAULT_VIDEO_QUALITY_VALUE); boolean videoQualityHigh = CameraSettings.getVideoQuality(this, quality); // Set video quality. Intent intent = getIntent(); if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) { int extraVideoQuality = intent.getIntExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0); if (extraVideoQuality > 0) { quality = getString(R.string.pref_video_quality_high); } else { // 0 is mms. quality = getString(R.string.pref_video_quality_mms); } } // Set video duration limit. The limit is read from the preference, // unless it is specified in the intent. if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) { int seconds = intent.getIntExtra(MediaStore.EXTRA_DURATION_LIMIT, 0); mMaxVideoDurationInMs = 1000 * seconds; } else { mMaxVideoDurationInMs = CameraSettings.getVideoDurationInMillis(this, quality, mCameraId); } // Read time lapse recording interval. String frameIntervalStr = mPreferences.getString( CameraSettings.KEY_VIDEO_TIME_LAPSE_FRAME_INTERVAL, getString(R.string.pref_video_time_lapse_frame_interval_default)); mTimeBetweenTimeLapseFrameCaptureMs = Integer.parseInt(frameIntervalStr); mCaptureTimeLapse = (mTimeBetweenTimeLapseFrameCaptureMs != 0); int profileQuality = getProfileQuality(mCameraId, quality, mCaptureTimeLapse); mProfile = CamcorderProfile.get(mCameraId, profileQuality); getDesiredPreviewSize(); } int getProfileQuality(int cameraId, String quality, boolean captureTimeLapse) { HashMap[] qualityMap; if (captureTimeLapse) { if (mTimeLapseProfileQuality == null) { mTimeLapseProfileQuality = new HashMap[ CameraHolder.instance().getNumberOfCameras()]; } qualityMap = mTimeLapseProfileQuality; if (qualityMap[cameraId] == null) { qualityMap[cameraId] = buildProfileQuality(cameraId, TIME_LAPSE_VIDEO_QUALITY); } } else { if (mProfileQuality == null) { mProfileQuality = new HashMap[ CameraHolder.instance().getNumberOfCameras()]; } qualityMap = mProfileQuality; if (qualityMap[cameraId] == null) { qualityMap[cameraId] = buildProfileQuality(cameraId, VIDEO_QUALITY); } } return qualityMap[cameraId].get(quality); } HashMap buildProfileQuality(int cameraId, int qualityList[]) { HashMap qualityMap = new HashMap(); int highestQuality = -1, secondHighestQuality = -1, lastEffectiveQuality = -1; for (int i = 0; i < qualityList.length; i++) { if (CamcorderProfile.hasProfile(cameraId, qualityList[i])) { if (highestQuality == -1) { highestQuality = qualityList[i]; } else if (secondHighestQuality == -1) { secondHighestQuality = qualityList[i]; break; } lastEffectiveQuality = qualityList[i]; } } if (secondHighestQuality == -1) { secondHighestQuality = highestQuality; } qualityMap.put(getString(R.string.pref_video_quality_high), highestQuality); qualityMap.put(getString(R.string.pref_video_quality_low), secondHighestQuality); qualityMap.put(getString(R.string.pref_video_quality_youtube), highestQuality); qualityMap.put(getString(R.string.pref_video_quality_mms), lastEffectiveQuality); return qualityMap; } private void getDesiredPreviewSize() { mParameters = mCameraDevice.getParameters(); if (mParameters.getSupportedVideoSizes() == null) { mDesiredPreviewWidth = mProfile.videoFrameWidth; mDesiredPreviewHeight = mProfile.videoFrameHeight; } else { // Driver supports separates outputs for preview and video. List sizes = mParameters.getSupportedPreviewSizes(); Size preferred = mParameters.getPreferredPreviewSizeForVideo(); int product = preferred.width * preferred.height; Iterator it = sizes.iterator(); // Remove the preview sizes that are not preferred. while (it.hasNext()) { Size size = (Size) it.next(); if (size.width * size.height > product) { it.remove(); } } Size optimalSize = Util.getOptimalPreviewSize(this, sizes, (double) mProfile.videoFrameWidth / mProfile.videoFrameHeight); mDesiredPreviewWidth = optimalSize.width; mDesiredPreviewHeight = optimalSize.height; } Log.v(TAG, "mDesiredPreviewWidth=" + mDesiredPreviewWidth + ". mDesiredPreviewHeight=" + mDesiredPreviewHeight); } private void resizeForPreviewAspectRatio() { mPreviewFrameLayout.setAspectRatio( (double) mProfile.videoFrameWidth / mProfile.videoFrameHeight); } @Override protected void onResume() { super.onResume(); mPausing = false; if (mOpenCameraFail || mCameraDisabled) return; mReviewImage.setVisibility(View.GONE); // Start orientation listener as soon as possible because it takes // some time to get first orientation. mOrientationListener.enable(); if (!mPreviewing) { try { mCameraDevice = Util.openCamera(this, mCameraId); readVideoPreferences(); resizeForPreviewAspectRatio(); startPreview(); } catch(CameraHardwareException e) { Util.showErrorAndFinish(this, R.string.cannot_connect_camera); return; } catch(CameraDisabledException e) { Util.showErrorAndFinish(this, R.string.camera_disabled); return; } } keepScreenOnAwhile(); // install an intent filter to receive SD card related events. IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); intentFilter.addAction(Intent.ACTION_MEDIA_EJECT); intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); intentFilter.addDataScheme("file"); mReceiver = new MyBroadcastReceiver(); registerReceiver(mReceiver, intentFilter); mStorageSpace = Storage.getAvailableSpace(); mHandler.postDelayed(new Runnable() { public void run() { showStorageHint(); } }, 200); changeHeadUpDisplayState(); if (!mIsVideoCaptureIntent) { updateThumbnailButton(); // Update the last video thumbnail. mSwitcher.setSwitch(SWITCH_VIDEO); } if (mPreviewing) { mOnResumeTime = SystemClock.uptimeMillis(); mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100); } } private void setPreviewDisplay(SurfaceHolder holder) { try { mCameraDevice.setPreviewDisplay(holder); } catch (Throwable ex) { closeCamera(); throw new RuntimeException("setPreviewDisplay failed", ex); } } private void startPreview() { Log.v(TAG, "startPreview"); mCameraDevice.setErrorCallback(mErrorCallback); if (mPreviewing == true) { mCameraDevice.stopPreview(); mPreviewing = false; } setPreviewDisplay(mSurfaceHolder); mDisplayRotation = Util.getDisplayRotation(this); Util.setCameraDisplayOrientation(mDisplayRotation, mCameraId, mCameraDevice); setCameraParameters(); try { mCameraDevice.startPreview(); mPreviewing = true; } catch (Throwable ex) { closeCamera(); throw new RuntimeException("startPreview failed", ex); } } private void closeCamera() { Log.v(TAG, "closeCamera"); if (mCameraDevice == null) { Log.d(TAG, "already stopped."); return; } // If we don't lock the camera, release() will fail. mCameraDevice.lock(); CameraHolder.instance().release(); mCameraDevice = null; mPreviewing = false; } private void finishRecorderAndCloseCamera() { // This is similar to what mShutterButton.performClick() does, // but not quite the same. if (mMediaRecorderRecording) { if (mIsVideoCaptureIntent) { stopVideoRecording(); showAlert(); } else { stopVideoRecording(); getThumbnail(); } } else { stopVideoRecording(); } closeCamera(); } @Override protected void onPause() { super.onPause(); mPausing = true; changeHeadUpDisplayState(); if (mIndicatorWheel != null) mIndicatorWheel.dismissSettingPopup(); finishRecorderAndCloseCamera(); if (mReceiver != null) { unregisterReceiver(mReceiver); mReceiver = null; } resetScreenOn(); if (!mIsVideoCaptureIntent && mThumbnail != null) { mThumbnail.saveTo(new File(getFilesDir(), LAST_THUMB_FILENAME)); } if (mStorageHint != null) { mStorageHint.cancel(); mStorageHint = null; } mOrientationListener.disable(); mHandler.removeMessages(CHECK_DISPLAY_ROTATION); } @Override public void onUserInteraction() { super.onUserInteraction(); if (!mMediaRecorderRecording) keepScreenOnAwhile(); } @Override public void onBackPressed() { if (mPausing) return; if (mMediaRecorderRecording) { onStopVideoRecording(false); } else if (!collapseCameraControls()) { super.onBackPressed(); } } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { // Do not handle any key if the activity is paused. if (mPausing) { return true; } switch (keyCode) { case KeyEvent.KEYCODE_CAMERA: if (event.getRepeatCount() == 0) { mShutterButton.performClick(); return true; } break; case KeyEvent.KEYCODE_DPAD_CENTER: if (event.getRepeatCount() == 0) { mShutterButton.performClick(); return true; } break; case KeyEvent.KEYCODE_MENU: if (mMediaRecorderRecording) return true; break; } return super.onKeyDown(keyCode, event); } @Override public boolean onKeyUp(int keyCode, KeyEvent event) { switch (keyCode) { case KeyEvent.KEYCODE_CAMERA: mShutterButton.setPressed(false); return true; } return super.onKeyUp(keyCode, event); } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { // Make sure we have a surface in the holder before proceeding. if (holder.getSurface() == null) { Log.d(TAG, "holder.getSurface() == null"); return; } Log.v(TAG, "surfaceChanged. w=" + w + ". h=" + h); mSurfaceHolder = holder; if (mPausing) { // We're pausing, the screen is off and we already stopped // video recording. We don't want to start the camera again // in this case in order to conserve power. // The fact that surfaceChanged is called _after_ an onPause appears // to be legitimate since in that case the lockscreen always returns // to portrait orientation possibly triggering the notification. return; } // The mCameraDevice will be null if it is fail to connect to the // camera hardware. In this case we will show a dialog and then // finish the activity, so it's OK to ignore it. if (mCameraDevice == null) return; // Set preview display if the surface is being created. Preview was // already started. Also restart the preview if display rotation has // changed. Sometimes this happens when the device is held in portrait // and camera app is opened. Rotation animation takes some time and // display rotation in onCreate may not be what we want. if (mPreviewing && (Util.getDisplayRotation(this) == mDisplayRotation) && holder.isCreating()) { setPreviewDisplay(holder); } else { stopVideoRecording(); startPreview(); } } public void surfaceCreated(SurfaceHolder holder) { } public void surfaceDestroyed(SurfaceHolder holder) { mSurfaceHolder = null; } private void gotoGallery() { MenuHelper.gotoCameraVideoGallery(this); } @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); if (mIsVideoCaptureIntent) { // No options menu for attach mode. return false; } else { addBaseMenuItems(menu); } return true; } private boolean isVideoCaptureIntent() { String action = getIntent().getAction(); return (MediaStore.ACTION_VIDEO_CAPTURE.equals(action)); } private void doReturnToCaller(boolean valid) { Intent resultIntent = new Intent(); int resultCode; if (valid) { resultCode = RESULT_OK; resultIntent.setData(mCurrentVideoUri); } else { resultCode = RESULT_CANCELED; } setResultEx(resultCode, resultIntent); finish(); } private void cleanupEmptyFile() { if (mVideoFilename != null) { File f = new File(mVideoFilename); if (f.length() == 0 && f.delete()) { Log.v(TAG, "Empty video file deleted: " + mVideoFilename); mVideoFilename = null; } } } // Prepares media recorder. private void initializeRecorder() { Log.v(TAG, "initializeRecorder"); // If the mCameraDevice is null, then this activity is going to finish if (mCameraDevice == null) return; if (mSurfaceHolder == null) { Log.v(TAG, "Surface holder is null. Wait for surface changed."); return; } Intent intent = getIntent(); Bundle myExtras = intent.getExtras(); long requestedSizeLimit = 0; if (mIsVideoCaptureIntent && myExtras != null) { Uri saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); if (saveUri != null) { try { mVideoFileDescriptor = mContentResolver.openFileDescriptor(saveUri, "rw"); mCurrentVideoUri = saveUri; } catch (java.io.FileNotFoundException ex) { // invalid uri Log.e(TAG, ex.toString()); } } requestedSizeLimit = myExtras.getLong(MediaStore.EXTRA_SIZE_LIMIT); } mMediaRecorder = new MediaRecorder(); // Unlock the camera object before passing it to media recorder. mCameraDevice.unlock(); mMediaRecorder.setCamera(mCameraDevice); if (!mCaptureTimeLapse) { mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER); } mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); mMediaRecorder.setProfile(mProfile); mMediaRecorder.setMaxDuration(mMaxVideoDurationInMs); if (mCaptureTimeLapse) { mMediaRecorder.setCaptureRate((1000 / (double) mTimeBetweenTimeLapseFrameCaptureMs)); } // Set output file. // Try Uri in the intent first. If it doesn't exist, use our own // instead. if (mVideoFileDescriptor != null) { mMediaRecorder.setOutputFile(mVideoFileDescriptor.getFileDescriptor()); } else { generateVideoFilename(mProfile.fileFormat); mMediaRecorder.setOutputFile(mVideoFilename); } mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface()); // Set maximum file size. // remaining >= LOW_STORAGE_THRESHOLD at this point, reserve a quarter // of that to make it more likely that recording can complete // successfully. long maxFileSize = mStorageSpace - LOW_STORAGE_THRESHOLD / 4; if (requestedSizeLimit > 0 && requestedSizeLimit < maxFileSize) { maxFileSize = requestedSizeLimit; } try { mMediaRecorder.setMaxFileSize(maxFileSize); } catch (RuntimeException exception) { // We are going to ignore failure of setMaxFileSize here, as // a) The composer selected may simply not support it, or // b) The underlying media framework may not handle 64-bit range // on the size restriction. } // See android.hardware.Camera.Parameters.setRotation for // documentation. int rotation = 0; if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) { CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { rotation = (info.orientation - mOrientation + 360) % 360; } else { // back-facing camera rotation = (info.orientation + mOrientation) % 360; } } mMediaRecorder.setOrientationHint(rotation); mOrientationHint = rotation; try { mMediaRecorder.prepare(); } catch (IOException e) { Log.e(TAG, "prepare failed for " + mVideoFilename, e); releaseMediaRecorder(); throw new RuntimeException(e); } mMediaRecorder.setOnErrorListener(this); mMediaRecorder.setOnInfoListener(this); } private void releaseMediaRecorder() { Log.v(TAG, "Releasing media recorder."); if (mMediaRecorder != null) { cleanupEmptyFile(); mMediaRecorder.reset(); mMediaRecorder.release(); mMediaRecorder = null; } mVideoFilename = null; if (mVideoFileDescriptor != null) { try { mVideoFileDescriptor.close(); } catch (IOException e) { Log.e(TAG, "Fail to close fd", e); } mVideoFileDescriptor = null; } // Take back the camera object control from media recorder. Camera // device may be null if the activity is paused. if (mCameraDevice != null) mCameraDevice.lock(); } private void generateVideoFilename(int outputFileFormat) { long dateTaken = System.currentTimeMillis(); String title = createName(dateTaken); String filename = title + ".3gp"; // Used when emailing. String mime = "video/3gpp"; if (outputFileFormat == MediaRecorder.OutputFormat.MPEG_4) { filename = title + ".mp4"; mime = "video/mp4"; } mVideoFilename = Storage.DIRECTORY + '/' + filename; mCurrentVideoValues = new ContentValues(7); mCurrentVideoValues.put(Video.Media.TITLE, title); mCurrentVideoValues.put(Video.Media.DISPLAY_NAME, filename); mCurrentVideoValues.put(Video.Media.DATE_TAKEN, dateTaken); mCurrentVideoValues.put(Video.Media.MIME_TYPE, mime); mCurrentVideoValues.put(Video.Media.DATA, mVideoFilename); Log.v(TAG, "New video filename: " + mVideoFilename); } private void registerVideo() { if (mVideoFileDescriptor == null) { Uri videoTable = Uri.parse("content://media/external/video/media"); mCurrentVideoValues.put(Video.Media.SIZE, new File(mCurrentVideoFilename).length()); long duration = SystemClock.uptimeMillis() - mRecordingStartTime; if (duration > 0) { if (mCaptureTimeLapse) { duration = getTimeLapseVideoLength(duration); } mCurrentVideoValues.put(Video.Media.DURATION, duration); } else { Log.w(TAG, "Video duration <= 0 : " + duration); } try { mCurrentVideoUri = mContentResolver.insert(videoTable, mCurrentVideoValues); } catch (Exception e) { // We failed to insert into the database. This can happen if // the SD card is unmounted. mCurrentVideoUri = null; mCurrentVideoFilename = null; } finally { Log.v(TAG, "Current video URI: " + mCurrentVideoUri); } } mCurrentVideoValues = null; } private void deleteCurrentVideo() { // Remove the video and the uri if the uri is not passed in by intent. if (mCurrentVideoFilename != null) { deleteVideoFile(mCurrentVideoFilename); mCurrentVideoFilename = null; if (mCurrentVideoUri != null) { mContentResolver.delete(mCurrentVideoUri, null, null); mCurrentVideoUri = null; } } updateAndShowStorageHint(); } private void deleteVideoFile(String fileName) { Log.v(TAG, "Deleting video " + fileName); File f = new File(fileName); if (!f.delete()) { Log.v(TAG, "Could not delete " + fileName); } } private void addBaseMenuItems(Menu menu) { MenuHelper.addSwitchModeMenuItem(menu, false, new Runnable() { public void run() { switchToCameraMode(); } }); MenuItem gallery = menu.add(Menu.NONE, Menu.NONE, MenuHelper.POSITION_GOTO_GALLERY, R.string.camera_gallery_photos_text) .setOnMenuItemClickListener( new OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { gotoGallery(); return true; } }); gallery.setIcon(android.R.drawable.ic_menu_gallery); mGalleryItems.add(gallery); if (mNumberOfCameras > 1) { menu.add(Menu.NONE, Menu.NONE, MenuHelper.POSITION_SWITCH_CAMERA_ID, R.string.switch_camera_id) .setOnMenuItemClickListener(new OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { CameraSettings.writePreferredCameraId(mPreferences, ((mCameraId == mFrontCameraId) ? mBackCameraId : mFrontCameraId)); onSharedPreferenceChanged(); return true; } }).setIcon(android.R.drawable.ic_menu_camera); } } private PreferenceGroup filterPreferenceScreenByIntent( PreferenceGroup screen) { Intent intent = getIntent(); if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) { CameraSettings.removePreferenceFromScreen(screen, CameraSettings.KEY_VIDEO_QUALITY); } if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) { CameraSettings.removePreferenceFromScreen(screen, CameraSettings.KEY_VIDEO_QUALITY); } return screen; } // from MediaRecorder.OnErrorListener public void onError(MediaRecorder mr, int what, int extra) { Log.e(TAG, "MediaRecorder error. what=" + what + ". extra=" + extra); if (what == MediaRecorder.MEDIA_RECORDER_ERROR_UNKNOWN) { // We may have run out of space on the sdcard. stopVideoRecording(); updateAndShowStorageHint(); } } // from MediaRecorder.OnInfoListener public void onInfo(MediaRecorder mr, int what, int extra) { if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED) { if (mMediaRecorderRecording) onStopVideoRecording(true); } else if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) { if (mMediaRecorderRecording) onStopVideoRecording(true); // Show the toast. Toast.makeText(VideoCamera.this, R.string.video_reach_size_limit, Toast.LENGTH_LONG).show(); } } /* * Make sure we're not recording music playing in the background, ask the * MediaPlaybackService to pause playback. */ private void pauseAudioPlayback() { // Shamelessly copied from MediaPlaybackService.java, which // should be public, but isn't. Intent i = new Intent("com.android.music.musicservicecommand"); i.putExtra("command", "pause"); sendBroadcast(i); } // For testing. public boolean isRecording() { return mMediaRecorderRecording; } private void startVideoRecording() { Log.v(TAG, "startVideoRecording"); updateAndShowStorageHint(); if (mStorageSpace < LOW_STORAGE_THRESHOLD) { Log.v(TAG, "Storage issue, ignore the start request"); return; } initializeRecorder(); if (mMediaRecorder == null) { Log.e(TAG, "Fail to initialize media recorder"); return; } pauseAudioPlayback(); try { mMediaRecorder.start(); // Recording is now started } catch (RuntimeException e) { Log.e(TAG, "Could not start media recorder. ", e); releaseMediaRecorder(); return; } enableCameraControls(false); mMediaRecorderRecording = true; mRecordingStartTime = SystemClock.uptimeMillis(); showRecordingUI(true); updateRecordingTime(); keepScreenOn(); } private void showRecordingUI(boolean recording) { if (recording) { mShutterButton.setImageDrawable(getResources().getDrawable( R.drawable.btn_ic_video_record_stop)); mShutterButton.setBackgroundResource(R.drawable.btn_shutter_recording); mRecordingTimeView.setText(""); mRecordingTimeView.setVisibility(View.VISIBLE); if (mReviewControl != null) mReviewControl.setVisibility(View.GONE); if (mCaptureTimeLapse) { mIndicatorWheel.startTimeLapseAnimation( mTimeBetweenTimeLapseFrameCaptureMs, mRecordingStartTime); } } else { mShutterButton.setImageDrawable(getResources().getDrawable( R.drawable.btn_ic_video_record)); mShutterButton.setBackgroundResource(R.drawable.btn_shutter); mRecordingTimeView.setVisibility(View.GONE); if (mReviewControl != null) mReviewControl.setVisibility(View.VISIBLE); if (mCaptureTimeLapse) { mIndicatorWheel.stopTimeLapseAnimation(); } } } private void getThumbnail() { if (mCurrentVideoUri != null) { Bitmap videoFrame = ThumbnailUtils.createVideoThumbnail( mCurrentVideoFilename, Video.Thumbnails.MINI_KIND); if (videoFrame != null) { mThumbnail = new Thumbnail(mCurrentVideoUri, videoFrame, 0); mThumbnailButton.setBitmap(mThumbnail.getBitmap()); } } } private void showAlert() { if (mIndicatorWheel == null) { fadeOut(findViewById(R.id.shutter_button)); } if (mCurrentVideoFilename != null) { Bitmap bitmap = ThumbnailUtils.createVideoThumbnail( mCurrentVideoFilename, Video.Thumbnails.MINI_KIND); if (bitmap != null) { // MetadataRetriever already rotates the thumbnail. We should rotate // it back (and mirror if it is front-facing camera). CameraInfo[] info = CameraHolder.instance().getCameraInfo(); if (info[mCameraId].facing == CameraInfo.CAMERA_FACING_BACK) { bitmap = Util.rotateAndMirror(bitmap, -mOrientationHint, false); } else { bitmap = Util.rotateAndMirror(bitmap, -mOrientationHint, true); } mReviewImage.setImageBitmap(bitmap); mReviewImage.setVisibility(View.VISIBLE); } } int[] pickIds = {R.id.btn_retake, R.id.btn_done, R.id.btn_play}; for (int id : pickIds) { View button = findViewById(id); fadeIn(((View) button.getParent())); } // Remove the text of the cancel button View view = findViewById(R.id.btn_cancel); if (view instanceof Button) ((Button) view).setText(""); showTimeLapseUI(false); } private void hideAlert() { mReviewImage.setVisibility(View.INVISIBLE); fadeIn(findViewById(R.id.shutter_button)); mShutterButton.setEnabled(true); enableCameraControls(true); // Restore the text of the cancel button View view = findViewById(R.id.btn_cancel); if (view instanceof Button) { ((Button) view).setText(R.string.review_cancel); } int[] pickIds = {R.id.btn_retake, R.id.btn_done, R.id.btn_play}; for (int id : pickIds) { View button = findViewById(id); ((View) button.getParent()).setVisibility(View.GONE); } if (mCaptureTimeLapse) { showTimeLapseUI(true); } } private static void fadeIn(View view) { view.setVisibility(View.VISIBLE); Animation animation = new AlphaAnimation(0F, 1F); animation.setDuration(500); view.startAnimation(animation); } private static void fadeOut(View view) { view.setVisibility(View.INVISIBLE); Animation animation = new AlphaAnimation(1F, 0F); animation.setDuration(500); view.startAnimation(animation); } private boolean isAlertVisible() { return this.mReviewImage.getVisibility() == View.VISIBLE; } private void stopVideoRecording() { Log.v(TAG, "stopVideoRecording"); if (mMediaRecorderRecording) { boolean needToRegisterRecording = false; mMediaRecorder.setOnErrorListener(null); mMediaRecorder.setOnInfoListener(null); try { mMediaRecorder.stop(); mCurrentVideoFilename = mVideoFilename; Log.v(TAG, "Setting current video filename: " + mCurrentVideoFilename); needToRegisterRecording = true; } catch (RuntimeException e) { Log.e(TAG, "stop fail", e); if (mVideoFilename != null) deleteVideoFile(mVideoFilename); } mMediaRecorderRecording = false; showRecordingUI(false); if (!mIsVideoCaptureIntent) { enableCameraControls(true); } keepScreenOnAwhile(); if (needToRegisterRecording && mStorageSpace >= LOW_STORAGE_THRESHOLD) { registerVideo(); } } releaseMediaRecorder(); // always release media recorder } private void resetScreenOn() { mHandler.removeMessages(CLEAR_SCREEN_DELAY); getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } private void keepScreenOnAwhile() { mHandler.removeMessages(CLEAR_SCREEN_DELAY); getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); } private void keepScreenOn() { mHandler.removeMessages(CLEAR_SCREEN_DELAY); getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } private void initThumbnailButton() { mThumbnailButton = (RotateImageView) findViewById(R.id.review_thumbnail); mThumbnailButton.setOnClickListener(this); // Load the thumbnail from the disk. mThumbnail = Thumbnail.loadFrom(new File(getFilesDir(), LAST_THUMB_FILENAME)); } private void updateThumbnailButton() { if (mThumbnail == null || !Util.isUriValid(mThumbnail.getUri(), mContentResolver)) { mThumbnail = Thumbnail.getLastVideoThumbnail(mContentResolver); } if (mThumbnail != null) { mThumbnailButton.setBitmap(mThumbnail.getBitmap()); } else { mThumbnailButton.setBitmap(null); } } private static String millisecondToTimeString(long milliSeconds, boolean displayCentiSeconds) { long seconds = milliSeconds / 1000; // round down to compute seconds long minutes = seconds / 60; long hours = minutes / 60; long remainderMinutes = minutes - (hours * 60); long remainderSeconds = seconds - (minutes * 60); StringBuilder timeStringBuilder = new StringBuilder(); // Hours if (hours > 0) { if (hours < 10) { timeStringBuilder.append('0'); } timeStringBuilder.append(hours); timeStringBuilder.append(':'); } // Minutes if (remainderMinutes < 10) { timeStringBuilder.append('0'); } timeStringBuilder.append(remainderMinutes); timeStringBuilder.append(':'); // Seconds if (remainderSeconds < 10) { timeStringBuilder.append('0'); } timeStringBuilder.append(remainderSeconds); // Centi seconds if (displayCentiSeconds) { timeStringBuilder.append('.'); long remainderCentiSeconds = (milliSeconds - seconds * 1000) / 10; if (remainderCentiSeconds < 10) { timeStringBuilder.append('0'); } timeStringBuilder.append(remainderCentiSeconds); } return timeStringBuilder.toString(); } private long getTimeLapseVideoLength(long deltaMs) { // For better approximation calculate fractional number of frames captured. // This will update the video time at a higher resolution. double numberOfFrames = (double) deltaMs / mTimeBetweenTimeLapseFrameCaptureMs; return (long) (numberOfFrames / mProfile.videoFrameRate * 1000); } private void updateRecordingTime() { if (!mMediaRecorderRecording) { return; } long now = SystemClock.uptimeMillis(); long delta = now - mRecordingStartTime; // Starting a minute before reaching the max duration // limit, we'll countdown the remaining time instead. boolean countdownRemainingTime = (mMaxVideoDurationInMs != 0 && delta >= mMaxVideoDurationInMs - 60000); long deltaAdjusted = delta; if (countdownRemainingTime) { deltaAdjusted = Math.max(0, mMaxVideoDurationInMs - deltaAdjusted) + 999; } String text; long targetNextUpdateDelay; if (!mCaptureTimeLapse) { text = millisecondToTimeString(deltaAdjusted, false); targetNextUpdateDelay = 1000; } else { // The length of time lapse video is different from the length // of the actual wall clock time elapsed. Display the video length // only in format hh:mm:ss.dd, where dd are the centi seconds. text = millisecondToTimeString(getTimeLapseVideoLength(delta), true); targetNextUpdateDelay = mTimeBetweenTimeLapseFrameCaptureMs; } mRecordingTimeView.setText(text); if (mRecordingTimeCountsDown != countdownRemainingTime) { // Avoid setting the color on every update, do it only // when it needs changing. mRecordingTimeCountsDown = countdownRemainingTime; int color = getResources().getColor(countdownRemainingTime ? R.color.recording_time_remaining_text : R.color.recording_time_elapsed_text); mRecordingTimeView.setTextColor(color); } long actualNextUpdateDelay = targetNextUpdateDelay - (delta % targetNextUpdateDelay); mHandler.sendEmptyMessageDelayed( UPDATE_RECORD_TIME, actualNextUpdateDelay); } private static boolean isSupported(String value, List supported) { return supported == null ? false : supported.indexOf(value) >= 0; } private void setCameraParameters() { mParameters = mCameraDevice.getParameters(); mParameters.setPreviewSize(mDesiredPreviewWidth, mDesiredPreviewHeight); mParameters.setPreviewFrameRate(mProfile.videoFrameRate); // Set flash mode. String flashMode = mPreferences.getString( CameraSettings.KEY_VIDEOCAMERA_FLASH_MODE, getString(R.string.pref_camera_video_flashmode_default)); List supportedFlash = mParameters.getSupportedFlashModes(); if (isSupported(flashMode, supportedFlash)) { mParameters.setFlashMode(flashMode); } else { flashMode = mParameters.getFlashMode(); if (flashMode == null) { flashMode = getString( R.string.pref_camera_flashmode_no_flash); } } // Set white balance parameter. String whiteBalance = mPreferences.getString( CameraSettings.KEY_WHITE_BALANCE, getString(R.string.pref_camera_whitebalance_default)); if (isSupported(whiteBalance, mParameters.getSupportedWhiteBalance())) { mParameters.setWhiteBalance(whiteBalance); } else { whiteBalance = mParameters.getWhiteBalance(); if (whiteBalance == null) { whiteBalance = Parameters.WHITE_BALANCE_AUTO; } } // Set color effect parameter. String colorEffect = mPreferences.getString( CameraSettings.KEY_COLOR_EFFECT, getString(R.string.pref_camera_coloreffect_default)); if (isSupported(colorEffect, mParameters.getSupportedColorEffects())) { mParameters.setColorEffect(colorEffect); } mCameraDevice.setParameters(mParameters); // Keep preview size up to date. mParameters = mCameraDevice.getParameters(); } private boolean switchToCameraMode() { if (isFinishing() || mMediaRecorderRecording) return false; MenuHelper.gotoCameraMode(VideoCamera.this); finish(); return true; } public boolean onSwitchChanged(Switcher source, boolean onOff) { if (onOff == SWITCH_CAMERA) { return switchToCameraMode(); } else { return true; } } @Override public void onConfigurationChanged(Configuration config) { super.onConfigurationChanged(config); // If the camera resumes behind the lock screen, the orientation // will be portrait. That causes OOM when we try to allocation GPU // memory for the GLSurfaceView again when the orientation changes. So, // we delayed initialization of HeadUpDisplay until the orientation // becomes landscape. changeHeadUpDisplayState(); } public void onSizeChanged() { // TODO: update the content on GLRootView } private class MyHeadUpDisplayListener implements HeadUpDisplay.Listener { public void onSharedPreferenceChanged() { mHandler.post(new Runnable() { public void run() { VideoCamera.this.onSharedPreferenceChanged(); } }); } public void onRestorePreferencesClicked() { mHandler.post(new Runnable() { public void run() { VideoCamera.this.onRestorePreferencesClicked(); } }); } public void onPopupWindowVisibilityChanged(final int visibility) { } public void onShareButtonClicked() { mHandler.post(new Runnable() { public void run() { VideoCamera.this.onShareButtonClicked(); } }); } } private void onRestorePreferencesClicked() { Runnable runnable = new Runnable() { public void run() { restorePreferences(); } }; MenuHelper.confirmAction(this, getString(R.string.confirm_restore_title), getString(R.string.confirm_restore_message), runnable); } private void restorePreferences() { if (mHeadUpDisplay != null) { mHeadUpDisplay.restorePreferences(mParameters); } if (mIndicatorWheel != null) { mIndicatorWheel.dismissSettingPopup(); CameraSettings.restorePreferences(VideoCamera.this, mPreferences, mParameters); initializeIndicatorWheel(); onSharedPreferenceChanged(); } } private void onSharedPreferenceChanged() { // ignore the events after "onPause()" or preview has not started yet if (mPausing) return; synchronized (mPreferences) { // If mCameraDevice is not ready then we can set the parameter in // startPreview(). if (mCameraDevice == null) return; // Check if camera id is changed. int cameraId = CameraSettings.readPreferredCameraId(mPreferences); if (mCameraId != cameraId) { // Restart the activity to have a crossfade animation. // TODO: Use SurfaceTexture to implement a better and faster // animation. if (mIsVideoCaptureIntent) { // If the intent is video capture, stay in video capture mode. MenuHelper.gotoVideoMode(this, getIntent()); } else { MenuHelper.gotoVideoMode(this); } finish(); } else { readVideoPreferences(); // We need to restart the preview if preview size is changed. Size size = mParameters.getPreviewSize(); if (size.width != mDesiredPreviewWidth || size.height != mDesiredPreviewHeight) { mCameraDevice.stopPreview(); resizeForPreviewAspectRatio(); startPreview(); // Parameters will be set in startPreview(). } else { setCameraParameters(); } } showTimeLapseUI(mCaptureTimeLapse); } } private void showTimeLapseUI(boolean enable) { if (mTimeLapseLabel != null) { mTimeLapseLabel.setVisibility(enable ? View.VISIBLE : View.INVISIBLE); } if (mPreviewBorder != null) { mPreviewBorder.setBackgroundResource(enable ? R.drawable.border_preview_time_lapse_holo : R.drawable.border_preview_holo); } } private void onShareButtonClicked() { if (mPausing) return; // Share the last captured video. if (mThumbnail != null) { mReviewImage.setImageBitmap(mThumbnail.getBitmap()); mReviewImage.setVisibility(View.VISIBLE); Intent intent = new Intent(Intent.ACTION_SEND); intent.setType("video/*"); intent.putExtra(Intent.EXTRA_STREAM, mThumbnail.getUri()); startActivity(Intent.createChooser(intent, getString(R.string.share_video_via))); } else { // No last picture if (mNoShareToast == null) { mNoShareToast = Toast.makeText(this, getResources().getString(R.string.no_video_to_share), Toast.LENGTH_SHORT); } mNoShareToast.show(); } } private class MyIndicatorWheelListener implements IndicatorWheel.Listener { public void onSharedPreferenceChanged() { VideoCamera.this.onSharedPreferenceChanged(); } public void onRestorePreferencesClicked() { VideoCamera.this.onRestorePreferencesClicked(); } public void onOverriddenPreferencesClicked() { } public void onShareButtonClicked() { VideoCamera.this.onShareButtonClicked(); } } private class MyCameraPickerListener implements CameraPicker.Listener { public void onSharedPreferenceChanged() { VideoCamera.this.onSharedPreferenceChanged(); } } @Override public boolean dispatchTouchEvent(MotionEvent m) { // Check if the popup window should be dismissed first. if (mPopupGestureDetector != null && mPopupGestureDetector.onTouchEvent(m)) { return true; } return super.dispatchTouchEvent(m); } private class PopupGestureListener extends GestureDetector.SimpleOnGestureListener { @Override public boolean onDown(MotionEvent e) { // Check if the popup window is visible. View popup = mIndicatorWheel.getActivePopupWindow(); if (popup == null) return false; // Let popup window or indicator wheel handle the event by // themselves. Dismiss the popup window if users touch on other // areas. if (!Util.pointInView(e.getX(), e.getY(), popup) && !Util.pointInView(e.getX(), e.getY(), mIndicatorWheel)) { mIndicatorWheel.dismissSettingPopup(); // Let event fall through. } return false; } } }