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