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/*
* 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.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.graphics.Bitmap;
import android.graphics.Point;
import android.graphics.SurfaceTexture;
import android.hardware.Camera;
import android.location.Location;
import android.media.AudioManager;
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.Looper;
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.view.KeyEvent;
import android.view.View;
import android.widget.Toast;
import com.android.camera.app.AppController;
import com.android.camera.app.CameraAppUI;
import com.android.camera.app.LocationManager;
import com.android.camera.app.MediaSaver;
import com.android.camera.app.MemoryManager;
import com.android.camera.app.MemoryManager.MemoryListener;
import com.android.camera.app.OrientationManager;
import com.android.camera.debug.Log;
import com.android.camera.exif.ExifInterface;
import com.android.camera.hardware.HardwareSpec;
import com.android.camera.hardware.HardwareSpecImpl;
import com.android.camera.module.ModuleController;
import com.android.camera.settings.Keys;
import com.android.camera.settings.SettingsManager;
import com.android.camera.settings.SettingsUtil;
import com.android.camera.ui.TouchCoordinate;
import com.android.camera.util.AndroidServices;
import com.android.camera.util.ApiHelper;
import com.android.camera.util.CameraUtil;
import com.android.camera.stats.UsageStatistics;
import com.android.camera.util.Size;
import com.android.camera2.R;
import com.android.ex.camera2.portability.CameraAgent;
import com.android.ex.camera2.portability.CameraAgent.CameraPictureCallback;
import com.android.ex.camera2.portability.CameraAgent.CameraProxy;
import com.android.ex.camera2.portability.CameraCapabilities;
import com.android.ex.camera2.portability.CameraDeviceInfo.Characteristics;
import com.android.ex.camera2.portability.CameraSettings;
import com.google.common.logging.eventprotos;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
public class VideoModule extends CameraModule
implements FocusOverlayManager.Listener, MediaRecorder.OnErrorListener,
MediaRecorder.OnInfoListener, MemoryListener,
OrientationManager.OnOrientationChangeListener, VideoController {
private static final Log.Tag TAG = new Log.Tag("VideoModule");
// Messages defined for the UI thread handler.
private static final int MSG_CHECK_DISPLAY_ROTATION = 4;
private static final int MSG_UPDATE_RECORD_TIME = 5;
private static final int MSG_ENABLE_SHUTTER_BUTTON = 6;
private static final int MSG_SWITCH_CAMERA = 8;
private static final int MSG_SWITCH_CAMERA_START_ANIMATION = 9;
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;
// if, during and intent capture, the activity is paused (e.g. when app switching or reviewing a
// shot video), we don't want the bottom bar intent ui to reset to the capture button
private boolean mDontResetIntentUiOnResume;
private int mCameraId;
private CameraSettings mCameraSettings;
private CameraCapabilities mCameraCapabilities;
private HardwareSpec mHardwareSpec;
private boolean mIsInReviewMode;
private boolean mSnapshotInProgress = false;
// 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;
/** Manager used to mute sounds and vibrations during video recording. */
private AudioManager mAudioManager;
/*
* The ringer mode that was set when video recording started. We use this to
* reset the mode once video recording has stopped.
*/
private int mOriginalRingerMode;
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 means no limit.
private int mMaxVideoDurationInMs;
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 AppController mAppController;
private int mDesiredPreviewWidth;
private int mDesiredPreviewHeight;
private ContentResolver mContentResolver;
private LocationManager mLocationManager;
private int mPendingSwitchCameraId;
private final Handler mHandler = new MainHandler();
private VideoUI mUI;
private CameraProxy mCameraDevice;
private float mZoomValue; // The current zoom ratio.
private final MediaSaver.OnMediaSavedListener mOnVideoSavedListener =
new MediaSaver.OnMediaSavedListener() {
@Override
public void onMediaSaved(Uri uri) {
if (uri != null) {
mCurrentVideoUri = uri;
mCurrentVideoUriFromMediaSaved = true;
onVideoSaved();
mActivity.notifyNewMedia(uri);
}
}
};
private final MediaSaver.OnMediaSavedListener mOnPhotoSavedListener =
new MediaSaver.OnMediaSavedListener() {
@Override
public void onMediaSaved(Uri uri) {
if (uri != null) {
mActivity.notifyNewMedia(uri);
}
}
};
private FocusOverlayManager mFocusManager;
private boolean mMirror;
private boolean mFocusAreaSupported;
private boolean mMeteringAreaSupported;
private final CameraAgent.CameraAFCallback mAutoFocusCallback =
new CameraAgent.CameraAFCallback() {
@Override
public void onAutoFocus(boolean focused, CameraProxy camera) {
if (mPaused) {
return;
}
mFocusManager.onAutoFocus(focused, false);
}
};
private final Object mAutoFocusMoveCallback =
ApiHelper.HAS_AUTO_FOCUS_MOVE_CALLBACK
? new CameraAgent.CameraAFMoveCallback() {
@Override
public void onAutoFocusMoving(boolean moving, CameraProxy camera) {
mFocusManager.onAutoFocusMoving(moving);
}
} : null;
/**
* 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 MSG_ENABLE_SHUTTER_BUTTON:
mAppController.setShutterEnabled(true);
break;
case MSG_UPDATE_RECORD_TIME: {
updateRecordingTime();
break;
}
case MSG_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() != mDisplayRotation)
&& !mMediaRecorderRecording && !mSwitchingCamera) {
startPreview();
}
if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) {
mHandler.sendEmptyMessageDelayed(MSG_CHECK_DISPLAY_ROTATION, 100);
}
break;
}
case MSG_SWITCH_CAMERA: {
switchCamera();
break;
}
case MSG_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 int mShutterIconId;
/**
* Construct a new video module.
*/
public VideoModule(AppController app) {
super(app);
}
@Override
public String getPeekAccessibilityString() {
return mAppController.getAndroidContext()
.getResources().getString(R.string.video_accessibility_peek);
}
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);
}
@Override
public void init(CameraActivity activity, boolean isSecureCamera, boolean isCaptureIntent) {
mActivity = activity;
// TODO: Need to look at the controller interface to see if we can get
// rid of passing in the activity directly.
mAppController = mActivity;
mAudioManager = AndroidServices.instance().provideAudioManager();
mActivity.updateStorageSpaceAndHint(null);
mUI = new VideoUI(mActivity, this, mActivity.getModuleLayoutRoot());
mActivity.setPreviewStatusListener(mUI);
SettingsManager settingsManager = mActivity.getSettingsManager();
mCameraId = settingsManager.getInteger(mAppController.getModuleScope(),
Keys.KEY_CAMERA_ID);
/*
* To reduce startup time, we start the preview in another thread.
* We make sure the preview is started at the end of onCreate.
*/
requestCamera(mCameraId);
mContentResolver = mActivity.getContentResolver();
// Surface texture is from camera screen nail and startPreview needs it.
// This must be done before startPreview.
mIsVideoCaptureIntent = isVideoCaptureIntent();
mQuickCapture = mActivity.getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false);
mLocationManager = mActivity.getLocationManager();
mUI.setOrientationIndicator(0, false);
setDisplayOrientation();
mPendingSwitchCameraId = -1;
mShutterIconId = CameraUtil.getCameraShutterIconId(
mAppController.getCurrentModuleIndex(), mAppController.getAndroidContext());
}
@Override
public boolean isUsingBottomBar() {
return true;
}
private void initializeControlByIntent() {
if (isVideoCaptureIntent()) {
if (!mDontResetIntentUiOnResume) {
mActivity.getCameraAppUI().transitionToIntentCaptureLayout();
}
// reset the flag
mDontResetIntentUiOnResume = false;
}
}
@Override
public void onSingleTapUp(View view, int x, int y) {
if (mPaused || mCameraDevice == null) {
return;
}
if (mMediaRecorderRecording) {
if (!mSnapshotInProgress) {
takeASnapshot();
}
return;
}
// Check if metering area or focus area is supported.
if (!mFocusAreaSupported && !mMeteringAreaSupported) {
return;
}
// Tap to focus.
mFocusManager.onSingleTapUp(x, y);
}
private void takeASnapshot() {
// Only take snapshots if video snapshot is supported by device
if(!mCameraCapabilities.supports(CameraCapabilities.Feature.VIDEO_SNAPSHOT)) {
Log.w(TAG, "Cannot take a video snapshot - not supported by hardware");
return;
}
if (!mIsVideoCaptureIntent) {
if (!mMediaRecorderRecording || mPaused || mSnapshotInProgress
|| !mAppController.isShutterEnabled() || mCameraDevice == null) {
return;
}
Location loc = mLocationManager.getCurrentLocation();
CameraUtil.setGpsParameters(mCameraSettings, loc);
mCameraDevice.applySettings(mCameraSettings);
Log.i(TAG, "Video snapshot start");
mCameraDevice.takePicture(mHandler,
null, null, null, new JpegPictureCallback(loc));
showVideoSnapshotUI(true);
mSnapshotInProgress = true;
}
}
private void updateAutoFocusMoveCallback() {
if (mPaused || mCameraDevice == null) {
return;
}
if (mCameraSettings.getCurrentFocusMode() == CameraCapabilities.FocusMode.CONTINUOUS_PICTURE) {
mCameraDevice.setAutoFocusMoveCallback(mHandler,
(CameraAgent.CameraAFMoveCallback) mAutoFocusMoveCallback);
} else {
mCameraDevice.setAutoFocusMoveCallback(null, null);
}
}
/**
* @return Whether the currently active camera is front-facing.
*/
private boolean isCameraFrontFacing() {
return mAppController.getCameraProvider().getCharacteristics(mCameraId)
.isFacingFront();
}
/**
* @return Whether the currently active camera is back-facing.
*/
private boolean isCameraBackFacing() {
return mAppController.getCameraProvider().getCharacteristics(mCameraId)
.isFacingBack();
}
/**
* The focus manager gets initialized after camera is available.
*/
private void initializeFocusManager() {
// Create FocusManager object. startPreview needs it.
// if mFocusManager not null, reuse it
// otherwise create a new instance
if (mFocusManager != null) {
mFocusManager.removeMessages();
} else {
mMirror = isCameraFrontFacing();
String[] defaultFocusModesStrings = mActivity.getResources().getStringArray(
R.array.pref_camera_focusmode_default_array);
CameraCapabilities.Stringifier stringifier = mCameraCapabilities.getStringifier();
ArrayList<CameraCapabilities.FocusMode> defaultFocusModes =
new ArrayList<CameraCapabilities.FocusMode>();
for (String modeString : defaultFocusModesStrings) {
CameraCapabilities.FocusMode mode = stringifier.focusModeFromString(modeString);
if (mode != null) {
defaultFocusModes.add(mode);
}
}
mFocusManager = new FocusOverlayManager(mAppController,
defaultFocusModes, mCameraCapabilities, this, mMirror,
mActivity.getMainLooper(), mUI.getFocusRing());
}
mAppController.addPreviewAreaSizeChangedListener(mFocusManager);
}
@Override
public void onOrientationChanged(OrientationManager orientationManager,
OrientationManager.DeviceOrientation deviceOrientation) {
mUI.onOrientationChanged(orientationManager, deviceOrientation);
}
private final ButtonManager.ButtonCallback mFlashCallback =
new ButtonManager.ButtonCallback() {
@Override
public void onStateChanged(int state) {
if (mPaused) {
return;
}
// Update flash parameters.
enableTorchMode(true);
}
};
private final ButtonManager.ButtonCallback mCameraCallback =
new ButtonManager.ButtonCallback() {
@Override
public void onStateChanged(int state) {
if (mPaused || mAppController.getCameraProvider().waitingForCamera()) {
return;
}
ButtonManager buttonManager = mActivity.getButtonManager();
buttonManager.disableCameraButtonAndBlock();
mPendingSwitchCameraId = state;
Log.d(TAG, "Start to copy texture.");
// Disable all camera controls.
mSwitchingCamera = true;
switchCamera();
}
};
private final View.OnClickListener mCancelCallback = new View.OnClickListener() {
@Override
public void onClick(View v) {
onReviewCancelClicked(v);
}
};
private final View.OnClickListener mDoneCallback = new View.OnClickListener() {
@Override
public void onClick(View v) {
onReviewDoneClicked(v);
}
};
private final View.OnClickListener mReviewCallback = new View.OnClickListener() {
@Override
public void onClick(View v) {
onReviewPlayClicked(v);
}
};
@Override
public void hardResetSettings(SettingsManager settingsManager) {
// VideoModule does not need to hard reset any settings.
}
@Override
public HardwareSpec getHardwareSpec() {
if (mHardwareSpec == null) {
mHardwareSpec = (mCameraSettings != null ?
new HardwareSpecImpl(getCameraProvider(), mCameraCapabilities,
mAppController.getCameraFeatureConfig(), isCameraFrontFacing()) : null);
}
return mHardwareSpec;
}
@Override
public CameraAppUI.BottomBarUISpec getBottomBarSpec() {
CameraAppUI.BottomBarUISpec bottomBarSpec = new CameraAppUI.BottomBarUISpec();
bottomBarSpec.enableCamera = true;
bottomBarSpec.cameraCallback = mCameraCallback;
bottomBarSpec.enableTorchFlash = true;
bottomBarSpec.flashCallback = mFlashCallback;
bottomBarSpec.hideHdr = true;
bottomBarSpec.enableGridLines = true;
bottomBarSpec.enableExposureCompensation = false;
bottomBarSpec.isExposureCompensationSupported = false;
if (isVideoCaptureIntent()) {
bottomBarSpec.showCancel = true;
bottomBarSpec.cancelCallback = mCancelCallback;
bottomBarSpec.showDone = true;
bottomBarSpec.doneCallback = mDoneCallback;
bottomBarSpec.showReview = true;
bottomBarSpec.reviewCallback = mReviewCallback;
}
return bottomBarSpec;
}
@Override
public void onCameraAvailable(CameraProxy cameraProxy) {
if (cameraProxy == null) {
Log.w(TAG, "onCameraAvailable returns a null CameraProxy object");
return;
}
mCameraDevice = cameraProxy;
mCameraCapabilities = mCameraDevice.getCapabilities();
mAppController.getCameraAppUI().showAccessibilityZoomUI(
mCameraCapabilities.getMaxZoomRatio());
mCameraSettings = mCameraDevice.getSettings();
mFocusAreaSupported = mCameraCapabilities.supports(CameraCapabilities.Feature.FOCUS_AREA);
mMeteringAreaSupported =
mCameraCapabilities.supports(CameraCapabilities.Feature.METERING_AREA);
readVideoPreferences();
updateDesiredPreviewSize();
resizeForPreviewAspectRatio();
initializeFocusManager();
// TODO: Having focus overlay manager caching the parameters is prone to error,
// we should consider passing the parameters to focus overlay to ensure the
// parameters are up to date.
mFocusManager.updateCapabilities(mCameraCapabilities);
startPreview();
initializeVideoSnapshot();
mUI.initializeZoom(mCameraSettings, mCameraCapabilities);
initializeControlByIntent();
mHardwareSpec = new HardwareSpecImpl(getCameraProvider(), mCameraCapabilities,
mAppController.getCameraFeatureConfig(), isCameraFrontFacing());
ButtonManager buttonManager = mActivity.getButtonManager();
buttonManager.enableCameraButton();
}
private void startPlayVideoActivity() {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.setDataAndType(mCurrentVideoUri, convertOutputFormatToMimeType(mProfile.fileFormat));
try {
mActivity.launchActivityByIntent(intent);
} catch (ActivityNotFoundException ex) {
Log.e(TAG, "Couldn't view video " + mCurrentVideoUri, ex);
}
}
@Override
public void onReviewPlayClicked(View v) {
startPlayVideoActivity();
}
@Override
public void onReviewDoneClicked(View v) {
mIsInReviewMode = false;
doReturnToCaller(true);
}
@Override
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() {
mAppController.getCameraAppUI().setSwipeEnabled(true);
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.
mAppController.startFlashAnimation(false);
}
}
}
public void onVideoSaved() {
if (mIsVideoCaptureIntent) {
showCaptureResult();
}
}
public void onProtectiveCurtainClick(View v) {
// Consume clicks
}
@Override
public void onShutterButtonClick() {
if (mSwitchingCamera) {
return;
}
boolean stop = mMediaRecorderRecording;
if (stop) {
// CameraAppUI mishandles mode option enable/disable
// for video, override that
mAppController.getCameraAppUI().enableModeOptions();
onStopVideoRecording();
} else {
// CameraAppUI mishandles mode option enable/disable
// for video, override that
mAppController.getCameraAppUI().disableModeOptions();
startVideoRecording();
}
mAppController.setShutterEnabled(false);
if (mCameraSettings != null) {
mFocusManager.onShutterUp(mCameraSettings.getCurrentFocusMode());
}
// 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(MSG_ENABLE_SHUTTER_BUTTON, SHUTTER_BUTTON_TIMEOUT);
}
}
@Override
public void onShutterCoordinate(TouchCoordinate coord) {
// Do nothing.
}
@Override
public void onShutterButtonFocus(boolean pressed) {
// TODO: Remove this when old camera controls are removed from the UI.
}
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.
SettingsManager settingsManager = mActivity.getSettingsManager();
String videoQualityKey = isCameraFrontFacing() ? Keys.KEY_VIDEO_QUALITY_FRONT
: Keys.KEY_VIDEO_QUALITY_BACK;
String videoQuality = settingsManager
.getString(SettingsManager.SCOPE_GLOBAL, videoQualityKey);
int quality = SettingsUtil.getVideoQuality(videoQuality, mCameraId);
Log.d(TAG, "Selected video quality for '" + videoQuality + "' is " + quality);
// 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 = SettingsUtil.getMaxVideoDuration(mActivity
.getAndroidContext());
}
// If quality is not supported, request QUALITY_HIGH which is always supported.
if (CamcorderProfile.hasProfile(mCameraId, quality) == false) {
quality = CamcorderProfile.QUALITY_HIGH;
}
mProfile = CamcorderProfile.get(mCameraId, quality);
mPreferenceRead = true;
}
/**
* Calculates and sets local class variables for Desired Preview sizes.
* This function should be called after every change in preview camera
* resolution and/or before the preview starts. Note that these values still
* need to be pushed to the CameraSettings to actually change the preview
* resolution. Does nothing when camera pointer is null.
*/
private void updateDesiredPreviewSize() {
if (mCameraDevice == null) {
return;
}
mCameraSettings = mCameraDevice.getSettings();
Point desiredPreviewSize = getDesiredPreviewSize(
mCameraCapabilities, mProfile, mUI.getPreviewScreenSize());
mDesiredPreviewWidth = desiredPreviewSize.x;
mDesiredPreviewHeight = desiredPreviewSize.y;
mUI.setPreviewSize(mDesiredPreviewWidth, mDesiredPreviewHeight);
Log.v(TAG, "Updated DesiredPreview=" + mDesiredPreviewWidth + "x"
+ mDesiredPreviewHeight);
}
/**
* Calculates the preview size and stores it in mDesiredPreviewWidth and
* mDesiredPreviewHeight.
*
* <p>This function checks {@link
* com.android.camera.cameradevice.CameraCapabilities#getPreferredPreviewSizeForVideo()}
* but also considers the current preview area size on screen and make sure
* the final preview size will not be smaller than 1/2 of the current
* on screen preview area in terms of their short sides. This function has
* highest priority of WYSIWYG, 1:1 matching as its best match, even if
* there's a larger preview that meets the condition above. </p>
*
* @return The preferred preview size or {@code null} if the camera is not
* opened yet.
*/
private static Point getDesiredPreviewSize(CameraCapabilities capabilities,
CamcorderProfile profile, Point previewScreenSize) {
if (capabilities.getSupportedVideoSizes() == null) {
// Driver doesn't support separate outputs for preview and video.
return new Point(profile.videoFrameWidth, profile.videoFrameHeight);
}
final int previewScreenShortSide = (previewScreenSize.x < previewScreenSize.y ?
previewScreenSize.x : previewScreenSize.y);
List<Size> sizes = Size.convert(capabilities.getSupportedPreviewSizes());
Size preferred = new Size(capabilities.getPreferredPreviewSizeForVideo());
final int preferredPreviewSizeShortSide = (preferred.width() < preferred.height() ?
preferred.width() : preferred.height());
if (preferredPreviewSizeShortSide * 2 < previewScreenShortSide) {
preferred = new Size(profile.videoFrameWidth, profile.videoFrameHeight);
}
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();
}
}
// Take highest priority for WYSIWYG when the preview exactly matches
// video frame size. The variable sizes is assumed to be filtered
// for sizes beyond the UI size.
for (Size size : sizes) {
if (size.width() == profile.videoFrameWidth
&& size.height() == profile.videoFrameHeight) {
Log.v(TAG, "Selected =" + size.width() + "x" + size.height()
+ " on WYSIWYG Priority");
return new Point(profile.videoFrameWidth, profile.videoFrameHeight);
}
}
Size optimalSize = CameraUtil.getOptimalPreviewSize(sizes,
(double) profile.videoFrameWidth / profile.videoFrameHeight);
return new Point(optimalSize.width(), optimalSize.height());
}
private void resizeForPreviewAspectRatio() {
mUI.setAspectRatio((float) mProfile.videoFrameWidth / mProfile.videoFrameHeight);
}
private 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);
}
private void setDisplayOrientation() {
mDisplayRotation = CameraUtil.getDisplayRotation();
Characteristics info =
mActivity.getCameraProvider().getCharacteristics(mCameraId);
mCameraDisplayOrientation = info.getPreviewOrientation(mDisplayRotation);
// Change the camera display orientation
if (mCameraDevice != null) {
mCameraDevice.setDisplayOrientation(mDisplayRotation);
}
if (mFocusManager != null) {
mFocusManager.setDisplayOrientation(mCameraDisplayOrientation);
}
}
@Override
public void updateCameraOrientation() {
if (mMediaRecorderRecording) {
return;
}
if (mDisplayRotation != CameraUtil.getDisplayRotation()) {
setDisplayOrientation();
}
}
@Override
public void updatePreviewAspectRatio(float aspectRatio) {
mAppController.updatePreviewAspectRatio(aspectRatio);
}
/**
* Returns current Zoom value, with 1.0 as the value for no zoom.
*/
private float currentZoomValue() {
return mCameraSettings.getCurrentZoomRatio();
}
@Override
public void onZoomChanged(float ratio) {
// Not useful to change zoom value when the activity is paused.
if (mPaused) {
return;
}
mZoomValue = ratio;
if (mCameraSettings == null || mCameraDevice == null) {
return;
}
// Set zoom parameters asynchronously
mCameraSettings.setZoomRatio(mZoomValue);
mCameraDevice.applySettings(mCameraSettings);
}
private void startPreview() {
Log.i(TAG, "startPreview");
SurfaceTexture surfaceTexture = mActivity.getCameraAppUI().getSurfaceTexture();
if (!mPreferenceRead || surfaceTexture == null || mPaused == true ||
mCameraDevice == null) {
return;
}
if (mPreviewing == true) {
stopPreview();
}
setDisplayOrientation();
mCameraDevice.setDisplayOrientation(mDisplayRotation);
setCameraParameters();
if (mFocusManager != null) {
// If the focus mode is continuous autofocus, call cancelAutoFocus
// to resume it because it may have been paused by autoFocus call.
CameraCapabilities.FocusMode focusMode =
mFocusManager.getFocusMode(mCameraSettings.getCurrentFocusMode());
if (focusMode == CameraCapabilities.FocusMode.CONTINUOUS_PICTURE) {
mCameraDevice.cancelAutoFocus();
}
}
// This is to notify app controller that preview will start next, so app
// controller can set preview callbacks if needed. This has to happen before
// preview is started as a workaround of the framework issue related to preview
// callbacks that causes preview stretch and crash. (More details see b/12210027
// and b/12591410. Don't apply this to L, see b/16649297.
if (!ApiHelper.isLOrHigher()) {
Log.v(TAG, "calling onPreviewReadyToStart to set one shot callback");
mAppController.onPreviewReadyToStart();
} else {
Log.v(TAG, "on L, no one shot callback necessary");
}
try {
mCameraDevice.setPreviewTexture(surfaceTexture);
mCameraDevice.startPreviewWithCallback(new Handler(Looper.getMainLooper()),
new CameraAgent.CameraStartPreviewCallback() {
@Override
public void onPreviewStarted() {
VideoModule.this.onPreviewStarted();
}
});
mPreviewing = true;
} catch (Throwable ex) {
closeCamera();
throw new RuntimeException("startPreview failed", ex);
}
}
private void onPreviewStarted() {
mAppController.setShutterEnabled(true);
mAppController.onPreviewStarted();
if (mFocusManager != null) {
mFocusManager.onPreviewStarted();
}
}
@Override
public void onPreviewInitialDataReceived() {
}
@Override
public void stopPreview() {
if (!mPreviewing) {
Log.v(TAG, "Skip stopPreview since it's not mPreviewing");
return;
}
if (mCameraDevice == null) {
Log.v(TAG, "Skip stopPreview since mCameraDevice is null");
return;
}
Log.v(TAG, "stopPreview");
mCameraDevice.stopPreview();
if (mFocusManager != null) {
mFocusManager.onPreviewStopped();
}
mPreviewing = false;
}
private void closeCamera() {
Log.i(TAG, "closeCamera");
if (mCameraDevice == null) {
Log.d(TAG, "already stopped.");
return;
}
mCameraDevice.setZoomChangeListener(null);
mActivity.getCameraProvider().releaseCamera(mCameraDevice.getCameraId());
mCameraDevice = null;
mPreviewing = false;
mSnapshotInProgress = false;
if (mFocusManager != null) {
mFocusManager.onCameraReleased();
}
}
@Override
public boolean onBackPressed() {
if (mPaused) {
return true;
}
if (mMediaRecorderRecording) {
onStopVideoRecording();
return true;
} else {
return false;
}
}
@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) {
onShutterButtonClick();
return true;
}
case KeyEvent.KEYCODE_DPAD_CENTER:
if (event.getRepeatCount() == 0) {
onShutterButtonClick();
return true;
}
case KeyEvent.KEYCODE_MENU:
// Consume menu button presses during capture.
return mMediaRecorderRecording;
}
return false;
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_CAMERA:
onShutterButtonClick();
return true;
case KeyEvent.KEYCODE_MENU:
// Consume menu button presses during capture.
return mMediaRecorderRecording;
}
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);
resultIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
} 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;
}
}
}
// Prepares media recorder.
private void initializeRecorder() {
Log.i(TAG, "initializeRecorder: " + Thread.currentThread());
// If the mCameraDevice is null, then this activity is going to finish
if (mCameraDevice == null) {
Log.w(TAG, "null camera proxy, not recording");
return;
}
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();
// Unlock the camera object before passing it to media recorder.
mCameraDevice.unlock();
// We rely here on the fact that the unlock call above is synchronous
// and blocks until it occurs in the handler thread. Thereby ensuring
// that we are up to date with handler requests, and if this proxy had
// ever been released by a prior command, it would be null.
Camera camera = mCameraDevice.getCamera();
// If the camera device is null, the camera proxy is stale and recording
// should be ignored.
if (camera == null) {
Log.w(TAG, "null camera within proxy, not recording");
return;
}
mMediaRecorder.setCamera(camera);
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mMediaRecorder.setProfile(mProfile);
mMediaRecorder.setVideoSize(mProfile.videoFrameWidth, mProfile.videoFrameHeight);
mMediaRecorder.setMaxDuration(mMaxVideoDurationInMs);
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.
}
int sensorOrientation =
mActivity.getCameraProvider().getCharacteristics(mCameraId).getSensorOrientation();
int deviceOrientation =
mAppController.getOrientationManager().getDeviceOrientation().getDegrees();
int rotation = CameraUtil.getImageRotation(
sensorOrientation, deviceOrientation, isCameraFrontFacing());
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.i(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.WIDTH, mProfile.videoFrameWidth);
mCurrentVideoValues.put(Video.Media.HEIGHT, mProfile.videoFrameHeight);
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 logVideoCapture(long duration) {
String flashSetting = mActivity.getSettingsManager()
.getString(mAppController.getCameraScope(),
Keys.KEY_VIDEOCAMERA_FLASH_MODE);
boolean gridLinesOn = Keys.areGridLinesOn(mActivity.getSettingsManager());
int width = (Integer) mCurrentVideoValues.get(Video.Media.WIDTH);
int height = (Integer) mCurrentVideoValues.get(Video.Media.HEIGHT);
long size = new File(mCurrentVideoFilename).length();
String name = new File(mCurrentVideoValues.getAsString(Video.Media.DATA)).getName();
UsageStatistics.instance().videoCaptureDoneEvent(name, duration, isCameraFrontFacing(),
currentZoomValue(), width, height, size, flashSetting, gridLinesOn);
}
private void saveVideo() {
if (mVideoFileDescriptor == null) {
long duration = SystemClock.uptimeMillis() - mRecordingStartTime;
if (duration > 0) {
//
} else {
Log.w(TAG, "Video duration <= 0 : " + duration);
}
mCurrentVideoValues.put(Video.Media.SIZE, new File(mCurrentVideoFilename).length());
mCurrentVideoValues.put(Video.Media.DURATION, duration);
getServices().getMediaSaver().addVideo(mCurrentVideoFilename,
mCurrentVideoValues, mOnVideoSavedListener);
logVideoCapture(duration);
}
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);
}
}
// 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(null);
}
}
// 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 silenceSoundsAndVibrations() {
// Get the audio focus which causes other music players to stop.
mAudioManager.requestAudioFocus(null, AudioManager.STREAM_MUSIC,
AudioManager.AUDIOFOCUS_GAIN);
// Store current ringer mode so we can set it once video recording is
// finished.
mOriginalRingerMode = mAudioManager.getRingerMode();
// TODO: Use new DND APIs to properly silence device
}
private void restoreRingerMode() {
// First check if ringer mode was changed during the recording. If not,
// re-set the mode that was set before video recording started.
if (mAudioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT) {
// TODO: Use new DND APIs to properly restore device notification/alarm settings
}
}
// For testing.
public boolean isRecording() {
return mMediaRecorderRecording;
}
private void startVideoRecording() {
Log.i(TAG, "startVideoRecording: " + Thread.currentThread());
mUI.cancelAnimations();
mUI.setSwipingEnabled(false);
mUI.hidePassiveFocusIndicator();
mAppController.getCameraAppUI().hideCaptureIndicator();
mAppController.getCameraAppUI().setShouldSuppressCaptureIndicator(true);
mActivity.updateStorageSpaceAndHint(new CameraActivity.OnStorageUpdateDoneListener() {
@Override
public void onStorageUpdateDone(long bytes) {
if (bytes <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
Log.w(TAG, "Storage issue, ignore the start request");
} else {
if (mCameraDevice == null) {
Log.v(TAG, "in storage callback after camera closed");
return;
}
if (mPaused == true) {
Log.v(TAG, "in storage callback after module paused");
return;
}
// Monkey is so fast so it could trigger startVideoRecording twice. To prevent
// app crash (b/17313985), do nothing here for the second storage-checking
// callback because recording is already started.
if (mMediaRecorderRecording) {
Log.v(TAG, "in storage callback after recording started");
return;
}
mCurrentVideoUri = null;
initializeRecorder();
if (mMediaRecorder == null) {
Log.e(TAG, "Fail to initialize media recorder");
return;
}
try {
mMediaRecorder.start(); // Recording is now started
} catch (RuntimeException e) {
Log.e(TAG, "Could not start media recorder. ", e);
mAppController.getFatalErrorHandler().onGenericCameraAccessFailure();
releaseMediaRecorder();
// If start fails, frameworks will not lock the camera for us.
mCameraDevice.lock();
return;
}
// Make sure we stop playing sounds and disable the
// vibrations during video recording. Post delayed to avoid
// silencing the recording start sound.
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
silenceSoundsAndVibrations();
}
}, 250);
mAppController.getCameraAppUI().setSwipeEnabled(false);
// The parameters might have been altered by MediaRecorder already.
// We need to force mCameraDevice to refresh before getting it.
mCameraDevice.refreshSettings();
// 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 the settings here once.
mCameraSettings = mCameraDevice.getSettings();
mMediaRecorderRecording = true;
mActivity.lockOrientation();
mRecordingStartTime = SystemClock.uptimeMillis();
// A special case of mode options closing: during capture it should
// not be possible to change mode state.
mAppController.getCameraAppUI().hideModeOptions();
mAppController.getCameraAppUI().animateBottomBarToVideoStop(R.drawable.ic_stop);
mUI.showRecordingUI(true);
setFocusParameters();
updateRecordingTime();
mActivity.enableKeepScreenOn(true);
}
}
});
}
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).
bitmap = CameraUtil.rotateAndMirror(bitmap, 0, isCameraFrontFacing());
}
return bitmap;
}
private void showCaptureResult() {
mIsInReviewMode = true;
Bitmap bitmap = getVideoThumbnail();
if (bitmap != null) {
mUI.showReviewImage(bitmap);
}
mUI.showReviewControls();
}
private boolean stopVideoRecording() {
// Do nothing if camera device is still capturing photo. Monkey test can trigger app crashes
// (b/17313985) without this check. Crash could also be reproduced by continuously tapping
// on shutter button and preview with two fingers.
if (mSnapshotInProgress) {
Log.v(TAG, "Skip stopVideoRecording since snapshot in progress");
return true;
}
Log.v(TAG, "stopVideoRecording");
// Re-enable sound as early as possible to avoid interfering with stop
// recording sound.
restoreRingerMode();
mUI.setSwipingEnabled(true);
mUI.showPassiveFocusIndicator();
mAppController.getCameraAppUI().setShouldSuppressCaptureIndicator(false);
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: current video filename: " + mCurrentVideoFilename);
} catch (RuntimeException e) {
Log.e(TAG, "stop fail", e);
if (mVideoFilename != null) {
deleteVideoFile(mVideoFilename);
}
fail = true;
}
mMediaRecorderRecording = false;
mActivity.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) {
// b/16300704: Monkey is fast so it could pause the module while recording.
// stopPreview should definitely be called before switching off.
stopPreview();
closeCamera();
}
mUI.showRecordingUI(false);
// The orientation was fixed during video recording. Now make it
// reflect the device orientation as video recording is stopped.
mUI.setOrientationIndicator(0, true);
mActivity.enableKeepScreenOn(false);
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();
mAppController.getCameraAppUI().showModeOptions();
mAppController.getCameraAppUI().animateBottomBarToFullSize(mShutterIconId);
if (!mPaused && mCameraDevice != null) {
setFocusParameters();
mCameraDevice.lock();
if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) {
stopPreview();
// Switch back to use SurfaceTexture for preview.
startPreview();
}
// Update the parameters here because the parameters might have been altered
// by MediaRecorder.
mCameraSettings = mCameraDevice.getSettings();
}
// Check this in advance of each shot so we don't add to shutter
// latency. It's true that someone else could write to the SD card
// in the mean time and fill it, but that could have happened
// between the shutter press and saving the file too.
mActivity.updateStorageSpaceAndHint(null);
return fail;
}
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 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;
text = millisecondToTimeString(deltaAdjusted, false);
targetNextUpdateDelay = 1000;
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(R.color.recording_time_remaining_text);
mUI.setRecordingTimeTextColor(color);
}
long actualNextUpdateDelay = targetNextUpdateDelay - (delta % targetNextUpdateDelay);
mHandler.sendEmptyMessageDelayed(MSG_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() {
SettingsManager settingsManager = mActivity.getSettingsManager();
// Update Desired Preview size in case video camera resolution has changed.
updateDesiredPreviewSize();
Size previewSize = new Size(mDesiredPreviewWidth, mDesiredPreviewHeight);
mCameraSettings.setPreviewSize(previewSize.toPortabilitySize());
// This is required for Samsung SGH-I337 and probably other Samsung S4 versions
if (Build.BRAND.toLowerCase().contains("samsung")) {
mCameraSettings.setSetting("video-size",
mProfile.videoFrameWidth + "x" + mProfile.videoFrameHeight);
}
int[] fpsRange =
CameraUtil.getMaxPreviewFpsRange(mCameraCapabilities.getSupportedPreviewFpsRange());
if (fpsRange.length > 0) {
mCameraSettings.setPreviewFpsRange(fpsRange[0], fpsRange[1]);
} else {
mCameraSettings.setPreviewFrameRate(mProfile.videoFrameRate);
}
enableTorchMode(Keys.isCameraBackFacing(settingsManager, mAppController.getModuleScope()));
// Set zoom.
if (mCameraCapabilities.supports(CameraCapabilities.Feature.ZOOM)) {
mCameraSettings.setZoomRatio(mZoomValue);
}
updateFocusParameters();
mCameraSettings.setRecordingHintEnabled(true);
if (mCameraCapabilities.supports(CameraCapabilities.Feature.VIDEO_STABILIZATION)) {
mCameraSettings.setVideoStabilization(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 = Size.convert(mCameraCapabilities.getSupportedPhotoSizes());
Size optimalSize = CameraUtil.getOptimalVideoSnapshotPictureSize(supported,
mDesiredPreviewWidth, mDesiredPreviewHeight);
Size original = new Size(mCameraSettings.getCurrentPhotoSize());
if (!original.equals(optimalSize)) {
mCameraSettings.setPhotoSize(optimalSize.toPortabilitySize());
}
Log.d(TAG, "Video snapshot size is " + optimalSize);
// Set JPEG quality.
int jpegQuality = CameraProfile.getJpegEncodingQualityParameter(mCameraId,
CameraProfile.QUALITY_HIGH);
mCameraSettings.setPhotoJpegCompressionQuality(jpegQuality);
if (mCameraDevice != null) {
mCameraDevice.applySettings(mCameraSettings);
// Nexus 5 through KitKat 4.4.2 requires a second call to
// .setParameters() for frame rate settings to take effect.
mCameraDevice.applySettings(mCameraSettings);
}
// Update UI based on the new parameters.
mUI.updateOnScreenIndicators(mCameraSettings);
}
private void updateFocusParameters() {
// Set continuous autofocus. During recording, we use "continuous-video"
// auto focus mode to ensure smooth focusing. Whereas during preview (i.e.
// before recording starts) we use "continuous-picture" auto focus mode
// for faster but slightly jittery focusing.
Set<CameraCapabilities.FocusMode> supportedFocus = mCameraCapabilities
.getSupportedFocusModes();
if (mMediaRecorderRecording) {
if (mCameraCapabilities.supports(CameraCapabilities.FocusMode.CONTINUOUS_VIDEO)) {
mCameraSettings.setFocusMode(CameraCapabilities.FocusMode.CONTINUOUS_VIDEO);
mFocusManager.overrideFocusMode(CameraCapabilities.FocusMode.CONTINUOUS_VIDEO);
} else {
mFocusManager.overrideFocusMode(null);
}
} else {
// FIXME(b/16984793): This is broken. For some reasons, CONTINUOUS_PICTURE is not on
// when preview starts.
mFocusManager.overrideFocusMode(null);
if (mCameraCapabilities.supports(CameraCapabilities.FocusMode.CONTINUOUS_PICTURE)) {
mCameraSettings.setFocusMode(
mFocusManager.getFocusMode(mCameraSettings.getCurrentFocusMode()));
if (mFocusAreaSupported) {
mCameraSettings.setFocusAreas(mFocusManager.getFocusAreas());
}
}
}
updateAutoFocusMoveCallback();
}
@Override
public void resume() {
if (isVideoCaptureIntent()) {
mDontResetIntentUiOnResume = mPaused;
}
mPaused = false;
installIntentFilter();
mAppController.setShutterEnabled(false);
mZoomValue = 1.0f;
OrientationManager orientationManager = mAppController.getOrientationManager();
orientationManager.addOnOrientationChangeListener(this);
mUI.onOrientationChanged(orientationManager, orientationManager.getDeviceOrientation());
showVideoSnapshotUI(false);
if (!mPreviewing) {
requestCamera(mCameraId);
} else {
// preview already started
mAppController.setShutterEnabled(true);
}
if (mFocusManager != null) {
// If camera is not open when resume is called, focus manager will not
// be initialized yet, in which case it will start listening to
// preview area size change later in the initialization.
mAppController.addPreviewAreaSizeChangedListener(mFocusManager);
}
if (mPreviewing) {
mOnResumeTime = SystemClock.uptimeMillis();
mHandler.sendEmptyMessageDelayed(MSG_CHECK_DISPLAY_ROTATION, 100);
}
getServices().getMemoryManager().addListener(this);
}
@Override
public void pause() {
mPaused = true;
mAppController.getOrientationManager().removeOnOrientationChangeListener(this);
if (mFocusManager != null) {
// If camera is not open when resume is called, focus manager will not
// be initialized yet, in which case it will start listening to
// preview area size change later in the initialization.
mAppController.removePreviewAreaSizeChangedListener(mFocusManager);
mFocusManager.removeMessages();
}
if (mMediaRecorderRecording) {
// Camera will be released in onStopVideoRecording.
onStopVideoRecording();
} else {
stopPreview();
closeCamera();
releaseMediaRecorder();
}
closeVideoFileDescriptor();
if (mReceiver != null) {
mActivity.unregisterReceiver(mReceiver);
mReceiver = null;
}
mHandler.removeMessages(MSG_CHECK_DISPLAY_ROTATION);
mHandler.removeMessages(MSG_SWITCH_CAMERA);
mHandler.removeMessages(MSG_SWITCH_CAMERA_START_ANIMATION);
mPendingSwitchCameraId = -1;
mSwitchingCamera = false;
mPreferenceRead = false;
getServices().getMemoryManager().removeListener(this);
mUI.onPause();
}
@Override
public void destroy() {
}
@Override
public void onLayoutOrientationChanged(boolean isLandscape) {
setDisplayOrientation();
}
// TODO: integrate this into the SettingsManager listeners.
public void onSharedPreferenceChanged() {
}
private void switchCamera() {
if (mPaused) {
return;
}
SettingsManager settingsManager = mActivity.getSettingsManager();
Log.d(TAG, "Start to switch camera.");
mCameraId = mPendingSwitchCameraId;
mPendingSwitchCameraId = -1;
settingsManager.set(mAppController.getModuleScope(),
Keys.KEY_CAMERA_ID, mCameraId);
if (mFocusManager != null) {
mFocusManager.removeMessages();
}
closeCamera();
requestCamera(mCameraId);
mMirror = isCameraFrontFacing();
if (mFocusManager != null) {
mFocusManager.setMirror(mMirror);
}
// From onResume
mZoomValue = 1.0f;
mUI.setOrientationIndicator(0, false);
// Start switch camera animation. Post a message because
// onFrameAvailable from the old camera may already exist.
mHandler.sendEmptyMessage(MSG_SWITCH_CAMERA_START_ANIMATION);
mUI.updateOnScreenIndicators(mCameraSettings);
}
private void initializeVideoSnapshot() {
if (mCameraSettings == null) {
return;
}
}
void showVideoSnapshotUI(boolean enabled) {
if (mCameraSettings == null) {
return;
}
if (mCameraCapabilities.supports(CameraCapabilities.Feature.VIDEO_SNAPSHOT) &&
!mIsVideoCaptureIntent) {
if (enabled) {
mAppController.startFlashAnimation(false);
} else {
mUI.showPreviewBorder(enabled);
}
mAppController.setShutterEnabled(!enabled);
}
}
/**
* 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 enable Whether torch mode can be enabled.
*/
private void enableTorchMode(boolean enable) {
if (mCameraSettings.getCurrentFlashMode() == null) {
return;
}
SettingsManager settingsManager = mActivity.getSettingsManager();
CameraCapabilities.Stringifier stringifier = mCameraCapabilities.getStringifier();
CameraCapabilities.FlashMode flashMode;
if (enable) {
flashMode = stringifier
.flashModeFromString(settingsManager.getString(mAppController.getCameraScope(),
Keys.KEY_VIDEOCAMERA_FLASH_MODE));
} else {
flashMode = CameraCapabilities.FlashMode.OFF;
}
if (mCameraCapabilities.supports(flashMode)) {
mCameraSettings.setFlashMode(flashMode);
}
/* TODO: Find out how to deal with the following code piece:
else {
flashMode = mCameraSettings.getCurrentFlashMode();
if (flashMode == null) {
flashMode = mActivity.getString(
R.string.pref_camera_flashmode_no_flash);
mParameters.setFlashMode(flashMode);
}
}*/
if (mCameraDevice != null) {
mCameraDevice.applySettings(mCameraSettings);
}
mUI.updateOnScreenIndicators(mCameraSettings);
}
@Override
public void onPreviewVisibilityChanged(int visibility) {
if (mPreviewing) {
enableTorchMode(visibility == ModuleController.VISIBILITY_VISIBLE);
}
}
private final class JpegPictureCallback implements CameraPictureCallback {
Location mLocation;
public JpegPictureCallback(Location loc) {
mLocation = loc;
}
@Override
public void onPictureTaken(byte [] jpegData, CameraProxy camera) {
Log.i(TAG, "Video snapshot taken.");
mSnapshotInProgress = false;
showVideoSnapshotUI(false);
storeImage(jpegData, mLocation);
}
}
private void storeImage(final byte[] data, Location loc) {
long dateTaken = System.currentTimeMillis();
String title = CameraUtil.instance().createJpegName(dateTaken);
ExifInterface exif = Exif.getExif(data);
int orientation = Exif.getOrientation(exif);
String flashSetting = mActivity.getSettingsManager()
.getString(mAppController.getCameraScope(), Keys.KEY_VIDEOCAMERA_FLASH_MODE);
Boolean gridLinesOn = Keys.areGridLinesOn(mActivity.getSettingsManager());
UsageStatistics.instance().photoCaptureDoneEvent(
eventprotos.NavigationChange.Mode.VIDEO_STILL, title + ".jpeg", exif,
isCameraFrontFacing(), false, currentZoomValue(), flashSetting, gridLinesOn,
null, null, null, null, null, null, null);
getServices().getMediaSaver().addImage(data, title, dateTaken, loc, orientation, exif,
mOnPhotoSavedListener);
}
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;
}
}
@Override
public void onPreviewUIReady() {
startPreview();
}
@Override
public void onPreviewUIDestroyed() {
stopPreview();
}
private void requestCamera(int id) {
mActivity.getCameraProvider().requestCamera(id);
}
@Override
public void onMemoryStateChanged(int state) {
mAppController.setShutterEnabled(state == MemoryManager.STATE_OK);
}
@Override
public void onLowMemory() {
// Not much we can do in the video module.
}
/***********************FocusOverlayManager Listener****************************/
@Override
public void autoFocus() {
if (mCameraDevice != null) {
mCameraDevice.autoFocus(mHandler, mAutoFocusCallback);
}
}
@Override
public void cancelAutoFocus() {
if (mCameraDevice != null) {
mCameraDevice.cancelAutoFocus();
setFocusParameters();
}
}
@Override
public boolean capture() {
return false;
}
@Override
public void startFaceDetection() {
}
@Override
public void stopFaceDetection() {
}
@Override
public void setFocusParameters() {
if (mCameraDevice != null) {
updateFocusParameters();
mCameraDevice.applySettings(mCameraSettings);
}
}
}