| /* |
| * Copyright (C) 2012 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 android.annotation.TargetApi; |
| import android.app.Activity; |
| 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.SharedPreferences.Editor; |
| import android.content.res.Configuration; |
| import android.graphics.Bitmap; |
| import android.graphics.SurfaceTexture; |
| import android.hardware.Camera.CameraInfo; |
| import android.hardware.Camera.Parameters; |
| import android.hardware.Camera.Size; |
| import android.location.Location; |
| import android.media.CamcorderProfile; |
| import android.media.CameraProfile; |
| import android.media.MediaRecorder; |
| 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.MediaColumns; |
| import android.provider.MediaStore.Video; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| import android.view.OrientationEventListener; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.widget.Toast; |
| |
| import com.android.camera.CameraManager.CameraPictureCallback; |
| import com.android.camera.CameraManager.CameraProxy; |
| import com.android.camera.app.OrientationManager; |
| import com.android.camera.exif.ExifInterface; |
| import com.android.camera.ui.RotateTextToast; |
| import com.android.camera.util.AccessibilityUtils; |
| import com.android.camera.util.ApiHelper; |
| import com.android.camera.util.CameraUtil; |
| import com.android.camera.util.UsageStatistics; |
| import com.android.camera2.R; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public class VideoModule implements CameraModule, |
| VideoController, |
| CameraPreference.OnPreferenceChangedListener, |
| ShutterButton.OnShutterButtonListener, |
| MediaRecorder.OnErrorListener, |
| MediaRecorder.OnInfoListener { |
| |
| private static final String TAG = "CAM_VideoModule"; |
| |
| 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 SHOW_TAP_TO_SNAPSHOT_TOAST = 7; |
| private static final int SWITCH_CAMERA = 8; |
| private static final int SWITCH_CAMERA_START_ANIMATION = 9; |
| |
| private static final int SCREEN_DELAY = 2 * 60 * 1000; |
| |
| private static final long SHUTTER_BUTTON_TIMEOUT = 500L; // 500ms |
| |
| /** |
| * 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 static final String EXTRA_QUICK_CAPTURE = |
| "android.intent.extra.quickCapture"; |
| |
| // module fields |
| private CameraActivity mActivity; |
| private boolean mPaused; |
| private int mCameraId; |
| private Parameters mParameters; |
| |
| private boolean mIsInReviewMode; |
| private boolean mSnapshotInProgress = false; |
| |
| private final CameraErrorCallback mErrorCallback = new CameraErrorCallback(); |
| |
| private ComboPreferences mPreferences; |
| private PreferenceGroup mPreferenceGroup; |
| // Preference must be read before starting preview. We check this before starting |
| // preview. |
| private boolean mPreferenceRead; |
| |
| private boolean mIsVideoCaptureIntent; |
| private boolean mQuickCapture; |
| |
| private MediaRecorder mMediaRecorder; |
| |
| private boolean mSwitchingCamera; |
| 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 boolean mCurrentVideoUriFromMediaSaved; |
| private ContentValues mCurrentVideoValues; |
| |
| private CamcorderProfile mProfile; |
| |
| // 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; |
| |
| 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 int mCameraDisplayOrientation; |
| |
| private int mDesiredPreviewWidth; |
| private int mDesiredPreviewHeight; |
| private ContentResolver mContentResolver; |
| |
| private LocationManager mLocationManager; |
| private OrientationManager mOrientationManager; |
| |
| private int mPendingSwitchCameraId; |
| private final Handler mHandler = new MainHandler(); |
| private VideoUI mUI; |
| private CameraProxy mCameraDevice; |
| |
| // The degrees of the device rotated clockwise from its natural orientation. |
| private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; |
| |
| private int mZoomValue; // The current zoom value. |
| |
| private final MediaSaveService.OnMediaSavedListener mOnVideoSavedListener = |
| new MediaSaveService.OnMediaSavedListener() { |
| @Override |
| public void onMediaSaved(Uri uri) { |
| if (uri != null) { |
| mCurrentVideoUri = uri; |
| mCurrentVideoUriFromMediaSaved = true; |
| onVideoSaved(); |
| mActivity.notifyNewMedia(uri); |
| } |
| } |
| }; |
| |
| private final MediaSaveService.OnMediaSavedListener mOnPhotoSavedListener = |
| new MediaSaveService.OnMediaSavedListener() { |
| @Override |
| public void onMediaSaved(Uri uri) { |
| if (uri != null) { |
| mActivity.notifyNewMedia(uri); |
| } |
| } |
| }; |
| |
| |
| protected class CameraOpenThread extends Thread { |
| @Override |
| public void run() { |
| openCamera(); |
| } |
| } |
| |
| private void openCamera() { |
| if (mCameraDevice == null) { |
| mCameraDevice = CameraUtil.openCamera( |
| mActivity, mCameraId, mHandler, |
| mActivity.getCameraOpenErrorCallback()); |
| } |
| if (mCameraDevice == null) { |
| // Error. |
| return; |
| } |
| mParameters = mCameraDevice.getParameters(); |
| } |
| |
| // 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: |
| mUI.enableShutter(true); |
| break; |
| |
| case CLEAR_SCREEN_DELAY: { |
| mActivity.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 ((CameraUtil.getDisplayRotation(mActivity) != mDisplayRotation) |
| && !mMediaRecorderRecording && !mSwitchingCamera) { |
| startPreview(); |
| } |
| if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) { |
| mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100); |
| } |
| break; |
| } |
| |
| case SHOW_TAP_TO_SNAPSHOT_TOAST: { |
| showTapToSnapshotToast(); |
| break; |
| } |
| |
| case SWITCH_CAMERA: { |
| switchCamera(); |
| break; |
| } |
| |
| case SWITCH_CAMERA_START_ANIMATION: { |
| //TODO: |
| //((CameraScreenNail) mActivity.mCameraScreenNail).animateSwitchCamera(); |
| |
| // Enable all camera controls. |
| mSwitchingCamera = false; |
| 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)) { |
| stopVideoRecording(); |
| } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) { |
| Toast.makeText(mActivity, |
| mActivity.getResources().getString(R.string.wait), Toast.LENGTH_LONG).show(); |
| } |
| } |
| } |
| |
| private String createName(long dateTaken) { |
| Date date = new Date(dateTaken); |
| SimpleDateFormat dateFormat = new SimpleDateFormat( |
| mActivity.getString(R.string.video_file_name_format)); |
| |
| return dateFormat.format(date); |
| } |
| |
| private int getPreferredCameraId(ComboPreferences preferences) { |
| int intentCameraId = CameraUtil.getCameraFacingIntentExtras(mActivity); |
| if (intentCameraId != -1) { |
| // Testing purpose. Launch a specific camera through the intent |
| // extras. |
| return intentCameraId; |
| } else { |
| return CameraSettings.readPreferredCameraId(preferences); |
| } |
| } |
| |
| private void initializeSurfaceView() { |
| if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { // API level < 16 |
| mUI.initializeSurfaceView(); |
| } |
| } |
| |
| @Override |
| public void init(CameraActivity activity, View root) { |
| mActivity = activity; |
| mUI = new VideoUI(activity, this, root); |
| mPreferences = new ComboPreferences(mActivity); |
| CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); |
| mCameraId = getPreferredCameraId(mPreferences); |
| |
| mPreferences.setLocalId(mActivity, mCameraId); |
| CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); |
| |
| mOrientationManager = new OrientationManager(mActivity); |
| |
| /* |
| * To reduce startup time, we start the preview in another thread. |
| * We make sure the preview is started at the end of onCreate. |
| */ |
| CameraOpenThread cameraOpenThread = new CameraOpenThread(); |
| cameraOpenThread.start(); |
| |
| mContentResolver = mActivity.getContentResolver(); |
| |
| // Surface texture is from camera screen nail and startPreview needs it. |
| // This must be done before startPreview. |
| mIsVideoCaptureIntent = isVideoCaptureIntent(); |
| initializeSurfaceView(); |
| |
| // Make sure camera device is opened. |
| try { |
| cameraOpenThread.join(); |
| if (mCameraDevice == null) { |
| return; |
| } |
| } catch (InterruptedException ex) { |
| // ignore |
| } |
| |
| readVideoPreferences(); |
| mUI.setPrefChangedListener(this); |
| |
| mQuickCapture = mActivity.getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); |
| mLocationManager = new LocationManager(mActivity, null); |
| |
| mUI.setOrientationIndicator(0, false); |
| setDisplayOrientation(); |
| |
| mUI.showTimeLapseUI(mCaptureTimeLapse); |
| initializeVideoSnapshot(); |
| resizeForPreviewAspectRatio(); |
| |
| initializeVideoControl(); |
| mPendingSwitchCameraId = -1; |
| } |
| |
| // SingleTapListener |
| // Preview area is touched. Take a picture. |
| @Override |
| public void onSingleTapUp(View view, int x, int y) { |
| takeASnapshot(); |
| } |
| |
| private void takeASnapshot() { |
| // Only take snapshots if video snapshot is supported by device |
| if (CameraUtil.isVideoSnapshotSupported(mParameters) && !mIsVideoCaptureIntent) { |
| if (!mMediaRecorderRecording || mPaused || mSnapshotInProgress) { |
| return; |
| } |
| MediaSaveService s = mActivity.getMediaSaveService(); |
| if (s == null || s.isQueueFull()) { |
| return; |
| } |
| |
| // Set rotation and gps data. |
| int rotation = CameraUtil.getJpegRotation(mCameraId, mOrientation); |
| mParameters.setRotation(rotation); |
| Location loc = mLocationManager.getCurrentLocation(); |
| CameraUtil.setGpsParameters(mParameters, loc); |
| mCameraDevice.setParameters(mParameters); |
| |
| Log.v(TAG, "Video snapshot start"); |
| mCameraDevice.takePicture(mHandler, |
| null, null, null, new JpegPictureCallback(loc)); |
| showVideoSnapshotUI(true); |
| mSnapshotInProgress = true; |
| UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA, |
| UsageStatistics.ACTION_CAPTURE_DONE, "VideoSnapshot"); |
| } |
| } |
| |
| @Override |
| public void onStop() {} |
| |
| private void loadCameraPreferences() { |
| CameraSettings settings = new CameraSettings(mActivity, mParameters, |
| mCameraId, CameraHolder.instance().getCameraInfo()); |
| // Remove the video quality preference setting when the quality is given in the intent. |
| mPreferenceGroup = filterPreferenceScreenByIntent( |
| settings.getPreferenceGroup(R.xml.video_preferences)); |
| } |
| |
| private void initializeVideoControl() { |
| loadCameraPreferences(); |
| mUI.initializePopup(mPreferenceGroup); |
| } |
| |
| @Override |
| public void onOrientationChanged(int orientation) { |
| // 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 == OrientationEventListener.ORIENTATION_UNKNOWN) return; |
| int newOrientation = CameraUtil.roundOrientation(orientation, mOrientation); |
| |
| if (mOrientation != newOrientation) { |
| mOrientation = newOrientation; |
| } |
| |
| // Show the toast after getting the first orientation changed. |
| if (mHandler.hasMessages(SHOW_TAP_TO_SNAPSHOT_TOAST)) { |
| mHandler.removeMessages(SHOW_TAP_TO_SNAPSHOT_TOAST); |
| showTapToSnapshotToast(); |
| } |
| } |
| |
| private void startPlayVideoActivity() { |
| Intent intent = new Intent(Intent.ACTION_VIEW); |
| intent.setDataAndType(mCurrentVideoUri, convertOutputFormatToMimeType(mProfile.fileFormat)); |
| try { |
| mActivity |
| .startActivityForResult(intent, CameraActivity.REQ_CODE_DONT_SWITCH_TO_PREVIEW); |
| } catch (ActivityNotFoundException ex) { |
| Log.e(TAG, "Couldn't view video " + mCurrentVideoUri, ex); |
| } |
| } |
| |
| @Override |
| @OnClickAttr |
| public void onReviewPlayClicked(View v) { |
| startPlayVideoActivity(); |
| } |
| |
| @Override |
| @OnClickAttr |
| public void onReviewDoneClicked(View v) { |
| mIsInReviewMode = false; |
| doReturnToCaller(true); |
| } |
| |
| @Override |
| @OnClickAttr |
| public void onReviewCancelClicked(View v) { |
| // TODO: It should be better to not even insert the URI at all before we |
| // confirm done in review, which means we need to handle temporary video |
| // files in a quite different way than we currently had. |
| // Make sure we don't delete the Uri sent from the video capture intent. |
| if (mCurrentVideoUriFromMediaSaved) { |
| mContentResolver.delete(mCurrentVideoUri, null, null); |
| } |
| mIsInReviewMode = false; |
| doReturnToCaller(false); |
| } |
| |
| @Override |
| public boolean isInReviewMode() { |
| return mIsInReviewMode; |
| } |
| |
| private void onStopVideoRecording() { |
| boolean recordFail = stopVideoRecording(); |
| if (mIsVideoCaptureIntent) { |
| if (mQuickCapture) { |
| doReturnToCaller(!recordFail); |
| } else if (!recordFail) { |
| showCaptureResult(); |
| } |
| } else if (!recordFail){ |
| // Start capture animation. |
| if (!mPaused && ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { |
| // The capture animation is disabled on ICS because we use SurfaceView |
| // for preview during recording. When the recording is done, we switch |
| // back to use SurfaceTexture for preview and we need to stop then start |
| // the preview. This will cause the preview flicker since the preview |
| // will not be continuous for a short period of time. |
| |
| mUI.animateFlash(); |
| mUI.animateCapture(); |
| } |
| } |
| } |
| |
| public void onVideoSaved() { |
| if (mIsVideoCaptureIntent) { |
| showCaptureResult(); |
| } |
| } |
| |
| public void onProtectiveCurtainClick(View v) { |
| // Consume clicks |
| } |
| |
| @Override |
| public void onShutterButtonClick() { |
| if (mUI.collapseCameraControls() || mSwitchingCamera) return; |
| |
| boolean stop = mMediaRecorderRecording; |
| |
| if (stop) { |
| onStopVideoRecording(); |
| } else { |
| startVideoRecording(); |
| } |
| mUI.enableShutter(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); |
| } |
| } |
| |
| @Override |
| public void onShutterButtonFocus(boolean pressed) { |
| mUI.setShutterPressed(pressed); |
| } |
| |
| private void readVideoPreferences() { |
| // The preference stores values from ListPreference and is thus string type for all values. |
| // We need to convert it to int manually. |
| String videoQuality = mPreferences.getString(CameraSettings.KEY_VIDEO_QUALITY, |
| null); |
| if (videoQuality == null) { |
| // check for highest quality before setting default value |
| videoQuality = CameraSettings.getSupportedHighestVideoQuality(mCameraId, |
| mActivity.getResources().getString(R.string.pref_video_quality_default)); |
| mPreferences.edit().putString(CameraSettings.KEY_VIDEO_QUALITY, videoQuality); |
| } |
| int quality = Integer.valueOf(videoQuality); |
| |
| // Set video quality. |
| Intent intent = mActivity.getIntent(); |
| if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) { |
| int extraVideoQuality = |
| intent.getIntExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0); |
| if (extraVideoQuality > 0) { |
| quality = CamcorderProfile.QUALITY_HIGH; |
| } else { // 0 is mms. |
| quality = CamcorderProfile.QUALITY_LOW; |
| } |
| } |
| |
| // 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.getMaxVideoDuration(mActivity); |
| } |
| |
| // Read time lapse recording interval. |
| String frameIntervalStr = mPreferences.getString( |
| CameraSettings.KEY_VIDEO_TIME_LAPSE_FRAME_INTERVAL, |
| mActivity.getString(R.string.pref_video_time_lapse_frame_interval_default)); |
| mTimeBetweenTimeLapseFrameCaptureMs = Integer.parseInt(frameIntervalStr); |
| mCaptureTimeLapse = (mTimeBetweenTimeLapseFrameCaptureMs != 0); |
| // TODO: This should be checked instead directly +1000. |
| if (mCaptureTimeLapse) quality += 1000; |
| mProfile = CamcorderProfile.get(mCameraId, quality); |
| getDesiredPreviewSize(); |
| mPreferenceRead = true; |
| } |
| |
| @TargetApi(Build.VERSION_CODES.HONEYCOMB) |
| private void getDesiredPreviewSize() { |
| if (mCameraDevice == null) { |
| return; |
| } |
| mParameters = mCameraDevice.getParameters(); |
| if (mParameters.getSupportedVideoSizes() == null) { |
| mDesiredPreviewWidth = mProfile.videoFrameWidth; |
| mDesiredPreviewHeight = mProfile.videoFrameHeight; |
| } else { // Driver supports separates outputs for preview and video. |
| List<Size> sizes = mParameters.getSupportedPreviewSizes(); |
| Size preferred = mParameters.getPreferredPreviewSizeForVideo(); |
| int product = preferred.width * preferred.height; |
| Iterator<Size> it = sizes.iterator(); |
| // Remove the preview sizes that are not preferred. |
| while (it.hasNext()) { |
| Size size = it.next(); |
| if (size.width * size.height > product) { |
| it.remove(); |
| } |
| } |
| Size optimalSize = CameraUtil.getOptimalPreviewSize(mActivity, sizes, |
| (double) mProfile.videoFrameWidth / mProfile.videoFrameHeight); |
| mDesiredPreviewWidth = optimalSize.width; |
| mDesiredPreviewHeight = optimalSize.height; |
| } |
| mUI.setPreviewSize(mDesiredPreviewWidth, mDesiredPreviewHeight); |
| Log.v(TAG, "mDesiredPreviewWidth=" + mDesiredPreviewWidth + |
| ". mDesiredPreviewHeight=" + mDesiredPreviewHeight); |
| } |
| |
| private void resizeForPreviewAspectRatio() { |
| mUI.setAspectRatio( |
| (double) mProfile.videoFrameWidth / mProfile.videoFrameHeight); |
| } |
| |
| @Override |
| public void installIntentFilter() { |
| // install an intent filter to receive SD card related events. |
| IntentFilter intentFilter = |
| new IntentFilter(Intent.ACTION_MEDIA_EJECT); |
| intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); |
| intentFilter.addDataScheme("file"); |
| mReceiver = new MyBroadcastReceiver(); |
| mActivity.registerReceiver(mReceiver, intentFilter); |
| } |
| |
| @Override |
| public void onResumeBeforeSuper() { |
| mPaused = false; |
| } |
| |
| @Override |
| public void onResumeAfterSuper() { |
| mUI.enableShutter(false); |
| mZoomValue = 0; |
| |
| showVideoSnapshotUI(false); |
| |
| if (!mPreviewing) { |
| openCamera(); |
| if (mCameraDevice == null) { |
| return; |
| } |
| readVideoPreferences(); |
| resizeForPreviewAspectRatio(); |
| startPreview(); |
| } else { |
| // preview already started |
| mUI.enableShutter(true); |
| } |
| |
| mUI.initDisplayChangeListener(); |
| // Initializing it here after the preview is started. |
| mUI.initializeZoom(mParameters); |
| |
| keepScreenOnAwhile(); |
| |
| mOrientationManager.resume(); |
| // Initialize location service. |
| boolean recordLocation = RecordLocationPreference.get(mPreferences, |
| mContentResolver); |
| mLocationManager.recordLocation(recordLocation); |
| |
| if (mPreviewing) { |
| mOnResumeTime = SystemClock.uptimeMillis(); |
| mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100); |
| } |
| |
| UsageStatistics.onContentViewChanged( |
| UsageStatistics.COMPONENT_CAMERA, "VideoModule"); |
| } |
| |
| private void setDisplayOrientation() { |
| mDisplayRotation = CameraUtil.getDisplayRotation(mActivity); |
| mCameraDisplayOrientation = CameraUtil.getDisplayOrientation(mDisplayRotation, mCameraId); |
| // Change the camera display orientation |
| if (mCameraDevice != null) { |
| mCameraDevice.setDisplayOrientation(mCameraDisplayOrientation); |
| } |
| } |
| |
| @Override |
| public void updateCameraOrientation() { |
| if (mMediaRecorderRecording) return; |
| if (mDisplayRotation != CameraUtil.getDisplayRotation(mActivity)) { |
| setDisplayOrientation(); |
| } |
| } |
| |
| @Override |
| public int onZoomChanged(int index) { |
| // Not useful to change zoom value when the activity is paused. |
| if (mPaused) return index; |
| mZoomValue = index; |
| if (mParameters == null || mCameraDevice == null) return index; |
| // Set zoom parameters asynchronously |
| mParameters.setZoom(mZoomValue); |
| mCameraDevice.setParameters(mParameters); |
| Parameters p = mCameraDevice.getParameters(); |
| if (p != null) return p.getZoom(); |
| return index; |
| } |
| |
| private void startPreview() { |
| Log.v(TAG, "startPreview"); |
| |
| SurfaceTexture surfaceTexture = mUI.getSurfaceTexture(); |
| if (!mPreferenceRead || surfaceTexture == null || mPaused == true || |
| mCameraDevice == null) { |
| return; |
| } |
| |
| mCameraDevice.setErrorCallback(mErrorCallback); |
| if (mPreviewing == true) { |
| stopPreview(); |
| } |
| |
| setDisplayOrientation(); |
| mCameraDevice.setDisplayOrientation(mCameraDisplayOrientation); |
| setCameraParameters(); |
| |
| try { |
| mCameraDevice.setPreviewTexture(surfaceTexture); |
| mCameraDevice.startPreview(); |
| mPreviewing = true; |
| onPreviewStarted(); |
| } catch (Throwable ex) { |
| closeCamera(); |
| throw new RuntimeException("startPreview failed", ex); |
| } |
| } |
| |
| private void onPreviewStarted() { |
| mUI.enableShutter(true); |
| } |
| |
| @Override |
| public void stopPreview() { |
| if (!mPreviewing) return; |
| mCameraDevice.stopPreview(); |
| mPreviewing = false; |
| } |
| |
| private void closeCamera() { |
| Log.v(TAG, "closeCamera"); |
| if (mCameraDevice == null) { |
| Log.d(TAG, "already stopped."); |
| return; |
| } |
| mCameraDevice.setZoomChangeListener(null); |
| mCameraDevice.setErrorCallback(null); |
| CameraHolder.instance().release(); |
| mCameraDevice = null; |
| mPreviewing = false; |
| mSnapshotInProgress = false; |
| } |
| |
| private void releasePreviewResources() { |
| if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { |
| mUI.hideSurfaceView(); |
| } |
| } |
| |
| @Override |
| public void onPauseBeforeSuper() { |
| mPaused = true; |
| |
| mUI.showPreviewCover(); |
| if (mMediaRecorderRecording) { |
| // Camera will be released in onStopVideoRecording. |
| onStopVideoRecording(); |
| } else { |
| closeCamera(); |
| releaseMediaRecorder(); |
| } |
| |
| closeVideoFileDescriptor(); |
| |
| |
| releasePreviewResources(); |
| |
| if (mReceiver != null) { |
| mActivity.unregisterReceiver(mReceiver); |
| mReceiver = null; |
| } |
| resetScreenOn(); |
| |
| if (mLocationManager != null) mLocationManager.recordLocation(false); |
| mOrientationManager.pause(); |
| |
| mHandler.removeMessages(CHECK_DISPLAY_ROTATION); |
| mHandler.removeMessages(SWITCH_CAMERA); |
| mHandler.removeMessages(SWITCH_CAMERA_START_ANIMATION); |
| mPendingSwitchCameraId = -1; |
| mSwitchingCamera = false; |
| mPreferenceRead = false; |
| |
| mUI.collapseCameraControls(); |
| mUI.removeDisplayChangeListener(); |
| } |
| |
| @Override |
| public void onPauseAfterSuper() { |
| } |
| |
| @Override |
| public void onUserInteraction() { |
| if (!mMediaRecorderRecording && !mActivity.isFinishing()) { |
| keepScreenOnAwhile(); |
| } |
| } |
| |
| @Override |
| public boolean onBackPressed() { |
| if (mPaused) return true; |
| if (mMediaRecorderRecording) { |
| onStopVideoRecording(); |
| return true; |
| } else if (mUI.hidePieRenderer()) { |
| return true; |
| } else { |
| return mUI.removeTopLevelPopup(); |
| } |
| } |
| |
| @Override |
| public boolean onKeyDown(int keyCode, KeyEvent event) { |
| // Do not handle any key if the activity is paused. |
| if (mPaused) { |
| return true; |
| } |
| |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_CAMERA: |
| if (event.getRepeatCount() == 0) { |
| mUI.clickShutter(); |
| return true; |
| } |
| break; |
| case KeyEvent.KEYCODE_DPAD_CENTER: |
| if (event.getRepeatCount() == 0) { |
| mUI.clickShutter(); |
| return true; |
| } |
| break; |
| case KeyEvent.KEYCODE_MENU: |
| if (mMediaRecorderRecording) return true; |
| break; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean onKeyUp(int keyCode, KeyEvent event) { |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_CAMERA: |
| mUI.pressShutter(false); |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean isVideoCaptureIntent() { |
| String action = mActivity.getIntent().getAction(); |
| return (MediaStore.ACTION_VIDEO_CAPTURE.equals(action)); |
| } |
| |
| private void doReturnToCaller(boolean valid) { |
| Intent resultIntent = new Intent(); |
| int resultCode; |
| if (valid) { |
| resultCode = Activity.RESULT_OK; |
| resultIntent.setData(mCurrentVideoUri); |
| } else { |
| resultCode = Activity.RESULT_CANCELED; |
| } |
| mActivity.setResultEx(resultCode, resultIntent); |
| mActivity.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; |
| } |
| } |
| } |
| |
| private void setupMediaRecorderPreviewDisplay() { |
| // Nothing to do here if using SurfaceTexture. |
| if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { |
| // We stop the preview here before unlocking the device because we |
| // need to change the SurfaceTexture to SurfaceView for preview. |
| stopPreview(); |
| mCameraDevice.setPreviewDisplay(mUI.getSurfaceHolder()); |
| // The orientation for SurfaceTexture is different from that for |
| // SurfaceView. For SurfaceTexture we don't need to consider the |
| // display rotation. Just consider the sensor's orientation and we |
| // will set the orientation correctly when showing the texture. |
| // Gallery will handle the orientation for the preview. For |
| // SurfaceView we will have to take everything into account so the |
| // display rotation is considered. |
| mCameraDevice.setDisplayOrientation( |
| CameraUtil.getDisplayOrientation(mDisplayRotation, mCameraId)); |
| mCameraDevice.startPreview(); |
| mPreviewing = true; |
| mMediaRecorder.setPreviewDisplay(mUI.getSurfaceHolder().getSurface()); |
| } |
| } |
| |
| // 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 (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { |
| // Set the SurfaceView to visible so the surface gets created. |
| // surfaceCreated() is called immediately when the visibility is |
| // changed to visible. Thus, mSurfaceViewReady should become true |
| // right after calling setVisibility(). |
| mUI.showSurfaceView(); |
| } |
| |
| Intent intent = mActivity.getIntent(); |
| Bundle myExtras = intent.getExtras(); |
| |
| long requestedSizeLimit = 0; |
| closeVideoFileDescriptor(); |
| mCurrentVideoUriFromMediaSaved = false; |
| 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(); |
| |
| setupMediaRecorderPreviewDisplay(); |
| // Unlock the camera object before passing it to media recorder. |
| mCameraDevice.unlock(); |
| mMediaRecorder.setCamera(mCameraDevice.getCamera()); |
| if (!mCaptureTimeLapse) { |
| mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER); |
| } |
| mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); |
| mMediaRecorder.setProfile(mProfile); |
| mMediaRecorder.setMaxDuration(mMaxVideoDurationInMs); |
| if (mCaptureTimeLapse) { |
| double fps = 1000 / (double) mTimeBetweenTimeLapseFrameCaptureMs; |
| setCaptureRate(mMediaRecorder, fps); |
| } |
| |
| setRecordLocation(); |
| |
| // 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); |
| } |
| |
| // Set maximum file size. |
| long maxFileSize = mActivity.getStorageSpaceBytes() - Storage.LOW_STORAGE_THRESHOLD_BYTES; |
| 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. |
| // Note that mOrientation here is the device orientation, which is the opposite of |
| // what activity.getWindowManager().getDefaultDisplay().getRotation() would return, |
| // which is the orientation the graphics need to rotate in order to render correctly. |
| 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); |
| |
| 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 static void setCaptureRate(MediaRecorder recorder, double fps) { |
| recorder.setCaptureRate(fps); |
| } |
| |
| private void setRecordLocation() { |
| Location loc = mLocationManager.getCurrentLocation(); |
| if (loc != null) { |
| mMediaRecorder.setLocation((float) loc.getLatitude(), |
| (float) loc.getLongitude()); |
| } |
| } |
| |
| private void releaseMediaRecorder() { |
| Log.v(TAG, "Releasing media recorder."); |
| if (mMediaRecorder != null) { |
| cleanupEmptyFile(); |
| mMediaRecorder.reset(); |
| mMediaRecorder.release(); |
| mMediaRecorder = null; |
| } |
| mVideoFilename = null; |
| } |
| |
| private void generateVideoFilename(int outputFileFormat) { |
| long dateTaken = System.currentTimeMillis(); |
| String title = createName(dateTaken); |
| // Used when emailing. |
| String filename = title + convertOutputFormatToFileExt(outputFileFormat); |
| String mime = convertOutputFormatToMimeType(outputFileFormat); |
| String path = Storage.DIRECTORY + '/' + filename; |
| String tmpPath = path + ".tmp"; |
| mCurrentVideoValues = new ContentValues(9); |
| mCurrentVideoValues.put(Video.Media.TITLE, title); |
| mCurrentVideoValues.put(Video.Media.DISPLAY_NAME, filename); |
| mCurrentVideoValues.put(Video.Media.DATE_TAKEN, dateTaken); |
| mCurrentVideoValues.put(MediaColumns.DATE_MODIFIED, dateTaken / 1000); |
| mCurrentVideoValues.put(Video.Media.MIME_TYPE, mime); |
| mCurrentVideoValues.put(Video.Media.DATA, path); |
| mCurrentVideoValues.put(Video.Media.RESOLUTION, |
| Integer.toString(mProfile.videoFrameWidth) + "x" + |
| Integer.toString(mProfile.videoFrameHeight)); |
| Location loc = mLocationManager.getCurrentLocation(); |
| if (loc != null) { |
| mCurrentVideoValues.put(Video.Media.LATITUDE, loc.getLatitude()); |
| mCurrentVideoValues.put(Video.Media.LONGITUDE, loc.getLongitude()); |
| } |
| mVideoFilename = tmpPath; |
| Log.v(TAG, "New video filename: " + mVideoFilename); |
| } |
| |
| private void saveVideo() { |
| if (mVideoFileDescriptor == null) { |
| long duration = SystemClock.uptimeMillis() - mRecordingStartTime; |
| if (duration > 0) { |
| if (mCaptureTimeLapse) { |
| duration = getTimeLapseVideoLength(duration); |
| } |
| } else { |
| Log.w(TAG, "Video duration <= 0 : " + duration); |
| } |
| mActivity.getMediaSaveService().addVideo(mCurrentVideoFilename, |
| duration, mCurrentVideoValues, |
| mOnVideoSavedListener, mContentResolver); |
| } |
| mCurrentVideoValues = null; |
| } |
| |
| 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 PreferenceGroup filterPreferenceScreenByIntent( |
| PreferenceGroup screen) { |
| Intent intent = mActivity.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 |
| @Override |
| 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(); |
| mActivity.updateStorageSpaceAndHint(); |
| } |
| } |
| |
| // from MediaRecorder.OnInfoListener |
| @Override |
| public void onInfo(MediaRecorder mr, int what, int extra) { |
| if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED) { |
| if (mMediaRecorderRecording) onStopVideoRecording(); |
| } else if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) { |
| if (mMediaRecorderRecording) onStopVideoRecording(); |
| |
| // Show the toast. |
| Toast.makeText(mActivity, 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"); |
| |
| mActivity.sendBroadcast(i); |
| } |
| |
| // For testing. |
| public boolean isRecording() { |
| return mMediaRecorderRecording; |
| } |
| |
| private void startVideoRecording() { |
| Log.v(TAG, "startVideoRecording"); |
| mUI.cancelAnimations(); |
| mUI.setSwipingEnabled(false); |
| |
| mActivity.updateStorageSpaceAndHint(); |
| if (mActivity.getStorageSpaceBytes() <= Storage.LOW_STORAGE_THRESHOLD_BYTES) { |
| Log.v(TAG, "Storage issue, ignore the start request"); |
| return; |
| } |
| |
| //?? |
| //if (!mCameraDevice.waitDone()) return; |
| mCurrentVideoUri = null; |
| |
| 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(); |
| // If start fails, frameworks will not lock the camera for us. |
| mCameraDevice.lock(); |
| return; |
| } |
| |
| // Make sure the video recording has started before announcing |
| // this in accessibility. |
| AccessibilityUtils.makeAnnouncement(mUI.getShutterButton(), |
| mActivity.getString(R.string.video_recording_started)); |
| |
| // The parameters might have been altered by MediaRecorder already. |
| // We need to force mCameraDevice to refresh before getting it. |
| mCameraDevice.refreshParameters(); |
| // The parameters may have been changed by MediaRecorder upon starting |
| // recording. We need to alter the parameters if we support camcorder |
| // zoom. To reduce latency when setting the parameters during zoom, we |
| // update mParameters here once. |
| mParameters = mCameraDevice.getParameters(); |
| |
| mUI.enableCameraControls(false); |
| |
| mMediaRecorderRecording = true; |
| mOrientationManager.lockOrientation(); |
| mRecordingStartTime = SystemClock.uptimeMillis(); |
| mUI.showRecordingUI(true); |
| |
| updateRecordingTime(); |
| keepScreenOn(); |
| UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA, |
| UsageStatistics.ACTION_CAPTURE_START, "Video"); |
| } |
| |
| private Bitmap getVideoThumbnail() { |
| Bitmap bitmap = null; |
| if (mVideoFileDescriptor != null) { |
| bitmap = Thumbnail.createVideoThumbnailBitmap(mVideoFileDescriptor.getFileDescriptor(), |
| mDesiredPreviewWidth); |
| } else if (mCurrentVideoUri != null) { |
| try { |
| mVideoFileDescriptor = mContentResolver.openFileDescriptor(mCurrentVideoUri, "r"); |
| bitmap = Thumbnail.createVideoThumbnailBitmap( |
| mVideoFileDescriptor.getFileDescriptor(), mDesiredPreviewWidth); |
| } catch (java.io.FileNotFoundException ex) { |
| // invalid uri |
| Log.e(TAG, ex.toString()); |
| } |
| } |
| |
| if (bitmap != null) { |
| // MetadataRetriever already rotates the thumbnail. We should rotate |
| // it to match the UI orientation (and mirror if it is front-facing camera). |
| CameraInfo[] info = CameraHolder.instance().getCameraInfo(); |
| boolean mirror = (info[mCameraId].facing == CameraInfo.CAMERA_FACING_FRONT); |
| bitmap = CameraUtil.rotateAndMirror(bitmap, 0, mirror); |
| } |
| return bitmap; |
| } |
| |
| private void showCaptureResult() { |
| mIsInReviewMode = true; |
| Bitmap bitmap = getVideoThumbnail(); |
| if (bitmap != null) { |
| mUI.showReviewImage(bitmap); |
| } |
| mUI.showReviewControls(); |
| mUI.enableCameraControls(false); |
| mUI.showTimeLapseUI(false); |
| } |
| |
| private boolean stopVideoRecording() { |
| Log.v(TAG, "stopVideoRecording"); |
| mUI.setSwipingEnabled(true); |
| if (!isVideoCaptureIntent()) { |
| mUI.showSwitcher(); |
| } |
| |
| boolean fail = false; |
| if (mMediaRecorderRecording) { |
| boolean shouldAddToMediaStoreNow = false; |
| |
| try { |
| mMediaRecorder.setOnErrorListener(null); |
| mMediaRecorder.setOnInfoListener(null); |
| mMediaRecorder.stop(); |
| shouldAddToMediaStoreNow = true; |
| mCurrentVideoFilename = mVideoFilename; |
| Log.v(TAG, "stopVideoRecording: Setting current video filename: " |
| + mCurrentVideoFilename); |
| AccessibilityUtils.makeAnnouncement(mUI.getShutterButton(), |
| mActivity.getString(R.string.video_recording_stopped)); |
| } catch (RuntimeException e) { |
| Log.e(TAG, "stop fail", e); |
| if (mVideoFilename != null) deleteVideoFile(mVideoFilename); |
| fail = true; |
| } |
| mMediaRecorderRecording = false; |
| mOrientationManager.unlockOrientation(); |
| |
| // If the activity is paused, this means activity is interrupted |
| // during recording. Release the camera as soon as possible because |
| // face unlock or other applications may need to use the camera. |
| if (mPaused) { |
| closeCamera(); |
| } |
| |
| mUI.showRecordingUI(false); |
| if (!mIsVideoCaptureIntent) { |
| mUI.enableCameraControls(true); |
| } |
| // The orientation was fixed during video recording. Now make it |
| // reflect the device orientation as video recording is stopped. |
| mUI.setOrientationIndicator(0, true); |
| keepScreenOnAwhile(); |
| if (shouldAddToMediaStoreNow && !fail) { |
| if (mVideoFileDescriptor == null) { |
| saveVideo(); |
| } else if (mIsVideoCaptureIntent) { |
| // if no file save is needed, we can show the post capture UI now |
| showCaptureResult(); |
| } |
| } |
| } |
| // release media recorder |
| releaseMediaRecorder(); |
| if (!mPaused) { |
| mCameraDevice.lock(); |
| if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { |
| stopPreview(); |
| mUI.hideSurfaceView(); |
| // Switch back to use SurfaceTexture for preview. |
| startPreview(); |
| } |
| } |
| // Update the parameters here because the parameters might have been altered |
| // by MediaRecorder. |
| if (!mPaused) mParameters = mCameraDevice.getParameters(); |
| UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA, |
| fail ? UsageStatistics.ACTION_CAPTURE_FAIL : |
| UsageStatistics.ACTION_CAPTURE_DONE, "Video", |
| SystemClock.uptimeMillis() - mRecordingStartTime); |
| return fail; |
| } |
| |
| private void resetScreenOn() { |
| mHandler.removeMessages(CLEAR_SCREEN_DELAY); |
| mActivity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| } |
| |
| private void keepScreenOnAwhile() { |
| mHandler.removeMessages(CLEAR_SCREEN_DELAY); |
| mActivity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); |
| } |
| |
| private void keepScreenOn() { |
| mHandler.removeMessages(CLEAR_SCREEN_DELAY); |
| mActivity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| } |
| |
| 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; |
| } |
| |
| mUI.setRecordingTime(text); |
| |
| if (mRecordingTimeCountsDown != countdownRemainingTime) { |
| // Avoid setting the color on every update, do it only |
| // when it needs changing. |
| mRecordingTimeCountsDown = countdownRemainingTime; |
| |
| int color = mActivity.getResources().getColor(countdownRemainingTime |
| ? R.color.recording_time_remaining_text |
| : R.color.recording_time_elapsed_text); |
| |
| mUI.setRecordingTimeTextColor(color); |
| } |
| |
| long actualNextUpdateDelay = targetNextUpdateDelay - (delta % targetNextUpdateDelay); |
| mHandler.sendEmptyMessageDelayed( |
| UPDATE_RECORD_TIME, actualNextUpdateDelay); |
| } |
| |
| private static boolean isSupported(String value, List<String> supported) { |
| return supported == null ? false : supported.indexOf(value) >= 0; |
| } |
| |
| @SuppressWarnings("deprecation") |
| private void setCameraParameters() { |
| mParameters.setPreviewSize(mDesiredPreviewWidth, mDesiredPreviewHeight); |
| int[] fpsRange = CameraUtil.getMaxPreviewFpsRange(mParameters); |
| if (fpsRange.length > 0) { |
| mParameters.setPreviewFpsRange( |
| fpsRange[Parameters.PREVIEW_FPS_MIN_INDEX], |
| fpsRange[Parameters.PREVIEW_FPS_MAX_INDEX]); |
| } else { |
| mParameters.setPreviewFrameRate(mProfile.videoFrameRate); |
| } |
| |
| forceFlashOffIfSupported(!mUI.isVisible()); |
| |
| // Set white balance parameter. |
| String whiteBalance = mPreferences.getString( |
| CameraSettings.KEY_WHITE_BALANCE, |
| mActivity.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 zoom. |
| if (mParameters.isZoomSupported()) { |
| mParameters.setZoom(mZoomValue); |
| } |
| |
| // Set continuous autofocus. |
| List<String> supportedFocus = mParameters.getSupportedFocusModes(); |
| if (isSupported(Parameters.FOCUS_MODE_CONTINUOUS_VIDEO, supportedFocus)) { |
| mParameters.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); |
| } |
| |
| mParameters.set(CameraUtil.RECORDING_HINT, CameraUtil.TRUE); |
| |
| // Enable video stabilization. Convenience methods not available in API |
| // level <= 14 |
| String vstabSupported = mParameters.get("video-stabilization-supported"); |
| if ("true".equals(vstabSupported)) { |
| mParameters.set("video-stabilization", "true"); |
| } |
| |
| // Set picture size. |
| // The logic here is different from the logic in still-mode camera. |
| // There we determine the preview size based on the picture size, but |
| // here we determine the picture size based on the preview size. |
| List<Size> supported = mParameters.getSupportedPictureSizes(); |
| Size optimalSize = CameraUtil.getOptimalVideoSnapshotPictureSize(supported, |
| (double) mDesiredPreviewWidth / mDesiredPreviewHeight); |
| Size original = mParameters.getPictureSize(); |
| if (!original.equals(optimalSize)) { |
| mParameters.setPictureSize(optimalSize.width, optimalSize.height); |
| } |
| Log.v(TAG, "Video snapshot size is " + optimalSize.width + "x" + |
| optimalSize.height); |
| |
| // Set JPEG quality. |
| int jpegQuality = CameraProfile.getJpegEncodingQualityParameter(mCameraId, |
| CameraProfile.QUALITY_HIGH); |
| mParameters.setJpegQuality(jpegQuality); |
| |
| mCameraDevice.setParameters(mParameters); |
| // Keep preview size up to date. |
| mParameters = mCameraDevice.getParameters(); |
| |
| // Update UI based on the new parameters. |
| mUI.updateOnScreenIndicators(mParameters, mPreferences); |
| } |
| |
| @Override |
| public void onActivityResult(int requestCode, int resultCode, Intent data) { |
| // Do nothing. |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newConfig) { |
| Log.v(TAG, "onConfigurationChanged"); |
| setDisplayOrientation(); |
| } |
| |
| @Override |
| public void onOverriddenPreferencesClicked() { |
| } |
| |
| @Override |
| // TODO: Delete this after old camera code is removed |
| public void onRestorePreferencesClicked() { |
| } |
| |
| @Override |
| public void onSharedPreferenceChanged() { |
| // ignore the events after "onPause()" or preview has not started yet |
| if (mPaused) { |
| return; |
| } |
| synchronized (mPreferences) { |
| // If mCameraDevice is not ready then we can set the parameter in |
| // startPreview(). |
| if (mCameraDevice == null) return; |
| |
| boolean recordLocation = RecordLocationPreference.get( |
| mPreferences, mContentResolver); |
| mLocationManager.recordLocation(recordLocation); |
| |
| readVideoPreferences(); |
| mUI.showTimeLapseUI(mCaptureTimeLapse); |
| // We need to restart the preview if preview size is changed. |
| Size size = mParameters.getPreviewSize(); |
| if (size.width != mDesiredPreviewWidth |
| || size.height != mDesiredPreviewHeight) { |
| |
| stopPreview(); |
| resizeForPreviewAspectRatio(); |
| startPreview(); // Parameters will be set in startPreview(). |
| } else { |
| setCameraParameters(); |
| } |
| mUI.updateOnScreenIndicators(mParameters, mPreferences); |
| } |
| } |
| |
| protected void setCameraId(int cameraId) { |
| ListPreference pref = mPreferenceGroup.findPreference(CameraSettings.KEY_CAMERA_ID); |
| pref.setValue("" + cameraId); |
| } |
| |
| private void switchCamera() { |
| if (mPaused) { |
| return; |
| } |
| |
| Log.d(TAG, "Start to switch camera."); |
| mCameraId = mPendingSwitchCameraId; |
| mPendingSwitchCameraId = -1; |
| setCameraId(mCameraId); |
| |
| closeCamera(); |
| mUI.collapseCameraControls(); |
| // Restart the camera and initialize the UI. From onCreate. |
| mPreferences.setLocalId(mActivity, mCameraId); |
| CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); |
| openCamera(); |
| readVideoPreferences(); |
| startPreview(); |
| initializeVideoSnapshot(); |
| resizeForPreviewAspectRatio(); |
| initializeVideoControl(); |
| |
| // From onResume |
| mZoomValue = 0; |
| mUI.initializeZoom(mParameters); |
| mUI.setOrientationIndicator(0, false); |
| |
| // Start switch camera animation. Post a message because |
| // onFrameAvailable from the old camera may already exist. |
| mHandler.sendEmptyMessage(SWITCH_CAMERA_START_ANIMATION); |
| mUI.updateOnScreenIndicators(mParameters, mPreferences); |
| } |
| |
| // Preview texture has been copied. Now camera can be released and the |
| // animation can be started. |
| @Override |
| public void onPreviewTextureCopied() { |
| mHandler.sendEmptyMessage(SWITCH_CAMERA); |
| } |
| |
| @Override |
| public void onCaptureTextureCopied() { |
| } |
| |
| private void initializeVideoSnapshot() { |
| if (mParameters == null) return; |
| if (CameraUtil.isVideoSnapshotSupported(mParameters) && !mIsVideoCaptureIntent) { |
| // Show the tap to focus toast if this is the first start. |
| if (mPreferences.getBoolean( |
| CameraSettings.KEY_VIDEO_FIRST_USE_HINT_SHOWN, true)) { |
| // Delay the toast for one second to wait for orientation. |
| mHandler.sendEmptyMessageDelayed(SHOW_TAP_TO_SNAPSHOT_TOAST, 1000); |
| } |
| } |
| } |
| |
| void showVideoSnapshotUI(boolean enabled) { |
| if (mParameters == null) return; |
| if (CameraUtil.isVideoSnapshotSupported(mParameters) && !mIsVideoCaptureIntent) { |
| if (enabled) { |
| mUI.animateFlash(); |
| mUI.animateCapture(); |
| } else { |
| mUI.showPreviewBorder(enabled); |
| } |
| mUI.enableShutter(!enabled); |
| } |
| } |
| |
| private void forceFlashOffIfSupported(boolean forceOff) { |
| String flashMode; |
| if (!forceOff) { |
| flashMode = mPreferences.getString( |
| CameraSettings.KEY_VIDEOCAMERA_FLASH_MODE, |
| mActivity.getString(R.string.pref_camera_video_flashmode_default)); |
| } else { |
| flashMode = Parameters.FLASH_MODE_OFF; |
| } |
| List<String> supportedFlash = mParameters.getSupportedFlashModes(); |
| if (isSupported(flashMode, supportedFlash)) { |
| mParameters.setFlashMode(flashMode); |
| } else { |
| flashMode = mParameters.getFlashMode(); |
| if (flashMode == null) { |
| flashMode = mActivity.getString( |
| R.string.pref_camera_flashmode_no_flash); |
| } |
| } |
| } |
| |
| /** |
| * Used to update the flash mode. Video mode can turn on the flash as torch |
| * mode, which we would like to turn on and off when we switching in and |
| * out to the preview. |
| * |
| * @param forceOff whether we want to force the flash off. |
| */ |
| private void forceFlashOff(boolean forceOff) { |
| if (!mPreviewing || mParameters.getFlashMode() == null) { |
| return; |
| } |
| forceFlashOffIfSupported(forceOff); |
| mCameraDevice.setParameters(mParameters); |
| mUI.updateOnScreenIndicators(mParameters, mPreferences); |
| } |
| |
| @Override |
| public void onPreviewFocusChanged(boolean previewFocused) { |
| mUI.onPreviewFocusChanged(previewFocused); |
| forceFlashOff(!previewFocused); |
| } |
| |
| @Override |
| public boolean arePreviewControlsVisible() { |
| return mUI.arePreviewControlsVisible(); |
| } |
| |
| private final class JpegPictureCallback implements CameraPictureCallback { |
| Location mLocation; |
| |
| public JpegPictureCallback(Location loc) { |
| mLocation = loc; |
| } |
| |
| @Override |
| public void onPictureTaken(byte [] jpegData, CameraProxy camera) { |
| Log.v(TAG, "onPictureTaken"); |
| mSnapshotInProgress = false; |
| showVideoSnapshotUI(false); |
| storeImage(jpegData, mLocation); |
| } |
| } |
| |
| private void storeImage(final byte[] data, Location loc) { |
| long dateTaken = System.currentTimeMillis(); |
| String title = CameraUtil.createJpegName(dateTaken); |
| ExifInterface exif = Exif.getExif(data); |
| int orientation = Exif.getOrientation(exif); |
| |
| mActivity.getMediaSaveService().addImage( |
| data, title, dateTaken, loc, orientation, |
| exif, mOnPhotoSavedListener, mContentResolver); |
| } |
| |
| private String convertOutputFormatToMimeType(int outputFileFormat) { |
| if (outputFileFormat == MediaRecorder.OutputFormat.MPEG_4) { |
| return "video/mp4"; |
| } |
| return "video/3gpp"; |
| } |
| |
| private String convertOutputFormatToFileExt(int outputFileFormat) { |
| if (outputFileFormat == MediaRecorder.OutputFormat.MPEG_4) { |
| return ".mp4"; |
| } |
| return ".3gp"; |
| } |
| |
| private void closeVideoFileDescriptor() { |
| if (mVideoFileDescriptor != null) { |
| try { |
| mVideoFileDescriptor.close(); |
| } catch (IOException e) { |
| Log.e(TAG, "Fail to close fd", e); |
| } |
| mVideoFileDescriptor = null; |
| } |
| } |
| |
| private void showTapToSnapshotToast() { |
| new RotateTextToast(mActivity, R.string.video_snapshot_hint, 0) |
| .show(); |
| // Clear the preference. |
| Editor editor = mPreferences.edit(); |
| editor.putBoolean(CameraSettings.KEY_VIDEO_FIRST_USE_HINT_SHOWN, false); |
| editor.apply(); |
| } |
| |
| @Override |
| public boolean updateStorageHintOnResume() { |
| return true; |
| } |
| |
| // required by OnPreferenceChangedListener |
| @Override |
| public void onCameraPickerClicked(int cameraId) { |
| if (mPaused || mPendingSwitchCameraId != -1) return; |
| |
| mPendingSwitchCameraId = cameraId; |
| Log.d(TAG, "Start to copy texture."); |
| // We need to keep a preview frame for the animation before |
| // releasing the camera. This will trigger onPreviewTextureCopied. |
| // TODO: ((CameraScreenNail) mActivity.mCameraScreenNail).copyTexture(); |
| // Disable all camera controls. |
| mSwitchingCamera = true; |
| switchCamera(); |
| |
| } |
| |
| @Override |
| public void onShowSwitcherPopup() { |
| mUI.onShowSwitcherPopup(); |
| } |
| |
| @Override |
| public void onMediaSaveServiceConnected(MediaSaveService s) { |
| // do nothing. |
| } |
| |
| @Override |
| public void onPreviewUIReady() { |
| startPreview(); |
| } |
| |
| @Override |
| public void onPreviewUIDestroyed() { |
| stopPreview(); |
| } |
| } |
