1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
|
/*
* 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 android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.hardware.Camera.Parameters;
import android.hardware.Camera.Size;
import android.media.MediaRecorder;
import android.media.ThumbnailUtil;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.os.StatFs;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.preference.PreferenceManager;
import android.preference.PreferenceScreen;
import android.provider.MediaStore;
import android.provider.MediaStore.Video;
import android.text.format.DateFormat;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
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.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.android.camera.PreviewFrameLayout.OnSizeChangedListener;
import com.android.camera.gallery.IImage;
import com.android.camera.gallery.IImageList;
import java.io.File;
import java.io.FileDescriptor;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
/**
* The Camcorder activity.
*/
public class VideoCamera extends NoSearchActivity implements View.OnClickListener,
ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback,
MediaRecorder.OnErrorListener, MediaRecorder.OnInfoListener,
Switcher.OnSwitchListener, OnSharedPreferenceChangeListener,
OnScreenSettings.OnVisibilityChangedListener,
PreviewFrameLayout.OnSizeChangedListener {
private static final String TAG = "videocamera";
private static final int INIT_RECORDER = 3;
private static final int CLEAR_SCREEN_DELAY = 4;
private static final int UPDATE_RECORD_TIME = 5;
private static final int SCREEN_DELAY = 2 * 60 * 1000;
private static final long NO_STORAGE_ERROR = -1L;
private static final long CANNOT_STAT_ERROR = -2L;
private static final long LOW_STORAGE_THRESHOLD = 512L * 1024L;
private static final int STORAGE_STATUS_OK = 0;
private static final int STORAGE_STATUS_LOW = 1;
private static final int STORAGE_STATUS_NONE = 2;
private static final boolean SWITCH_CAMERA = true;
private static final boolean SWITCH_VIDEO = false;
private SharedPreferences mPreferences;
private PreviewFrameLayout mPreviewFrameLayout;
private SurfaceView mVideoPreview;
private SurfaceHolder mSurfaceHolder = null;
private ImageView mVideoFrame;
private boolean mIsVideoCaptureIntent;
// mLastPictureButton and mThumbController
// are non-null only if mIsVideoCaptureIntent is true.
private ImageView mLastPictureButton;
private ThumbnailController mThumbController;
private boolean mStartPreviewFail = false;
private int mStorageStatus = STORAGE_STATUS_OK;
private MediaRecorder mMediaRecorder;
private boolean mMediaRecorderRecording = false;
private long mRecordingStartTime;
// The video file that the hardware camera is about to record into
// (or is recording into.)
private String mCameraVideoFilename;
private FileDescriptor mCameraVideoFileDescriptor;
// 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 MediaRecorderProfile mProfile;
// The video duration limit. 0 menas no limit.
private int mMaxVideoDurationInMs;
boolean mPausing = false;
boolean mPreviewing = false; // True if preview is started.
private ContentResolver mContentResolver;
private ShutterButton mShutterButton;
private TextView mRecordingTimeView;
private View mGripper;
private Switcher mSwitcher;
private boolean mRecordingTimeCountsDown = false;
private final ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>();
private final Handler mHandler = new MainHandler();
private Parameters mParameters;
private OnScreenSettings mSettings;
// 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 CLEAR_SCREEN_DELAY: {
getWindow().clearFlags(
WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
break;
}
case UPDATE_RECORD_TIME: {
updateRecordingTime();
break;
}
case INIT_RECORDER: {
initializeRecorder();
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(false);
stopVideoRecording();
} else if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) {
updateAndShowStorageHint(true);
initializeRecorder();
} 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(true);
}
}
}
private static String createName(long dateTaken) {
return DateFormat.format("yyyy-MM-dd kk.mm.ss", dateTaken).toString();
}
private void showCameraBusyAndFinish() {
Resources ress = getResources();
Util.showFatalErrorAndFinish(VideoCamera.this,
ress.getString(R.string.camera_error_title),
ress.getString(R.string.cannot_connect_camera));
}
/** Called with the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mPreferences = PreferenceManager.getDefaultSharedPreferences(this);
CameraSettings.upgradePreferences(mPreferences);
readVideoPreferences();
/*
* To reduce startup time, we start the preview in another thread.
* We make sure the preview is started at the end of onCreate.
*/
Thread startPreviewThread = new Thread(new Runnable() {
public void run() {
try {
mStartPreviewFail = false;
startPreview();
} catch (CameraHardwareException e) {
// In eng build, we throw the exception so that test tool
// can detect it and report it
if ("eng".equals(Build.TYPE)) {
throw new RuntimeException(e);
}
mStartPreviewFail = true;
}
}
});
startPreviewThread.start();
mContentResolver = getContentResolver();
requestWindowFeature(Window.FEATURE_PROGRESS);
setContentView(R.layout.video_camera);
mPreviewFrameLayout = (PreviewFrameLayout)
findViewById(R.id.frame_layout);
mPreviewFrameLayout.setOnSizeChangedListener(this);
resizeForPreviewAspectRatio();
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);
mIsVideoCaptureIntent = isVideoCaptureIntent();
mRecordingTimeView = (TextView) findViewById(R.id.recording_time);
ViewGroup rootView = (ViewGroup) findViewById(R.id.video_camera);
LayoutInflater inflater = this.getLayoutInflater();
if (!mIsVideoCaptureIntent) {
View controlBar = inflater.inflate(
R.layout.camera_control, rootView);
mLastPictureButton =
(ImageView) controlBar.findViewById(R.id.review_thumbnail);
mThumbController = new ThumbnailController(
getResources(), mLastPictureButton, mContentResolver);
mLastPictureButton.setOnClickListener(this);
mThumbController.loadData(ImageManager.getLastVideoThumbPath());
mSwitcher = ((Switcher) findViewById(R.id.camera_switch));
mSwitcher.setOnSwitchListener(this);
mSwitcher.addTouchView(findViewById(R.id.camera_switch_set));
} else {
View controlBar = inflater.inflate(
R.layout.attach_camera_control, rootView);
controlBar.findViewById(R.id.btn_cancel).setOnClickListener(this);
ImageView retake =
(ImageView) controlBar.findViewById(R.id.btn_retake);
retake.setOnClickListener(this);
retake.setImageResource(R.drawable.btn_ic_review_retake_video);
controlBar.findViewById(R.id.btn_play).setOnClickListener(this);
controlBar.findViewById(R.id.btn_done).setOnClickListener(this);
}
mShutterButton = (ShutterButton) findViewById(R.id.shutter_button);
mShutterButton.setImageResource(R.drawable.btn_ic_video_record);
mShutterButton.setOnShutterButtonListener(this);
mShutterButton.requestFocus();
mGripper = findViewById(R.id.btn_gripper);
mGripper.setOnTouchListener(new GripperTouchListener());
// Make sure preview is started.
try {
startPreviewThread.join();
if (mStartPreviewFail) {
showCameraBusyAndFinish();
return;
}
} catch (InterruptedException ex) {
// ignore
}
}
@Override
protected void onStart() {
super.onStart();
if (!mIsVideoCaptureIntent) {
mSwitcher.setSwitch(SWITCH_VIDEO);
}
}
private void startShareVideoActivity() {
Intent intent = new Intent();
intent.setAction(Intent.ACTION_SEND);
intent.setType("video/3gpp");
intent.putExtra(Intent.EXTRA_STREAM, mCurrentVideoUri);
try {
startActivity(Intent.createChooser(intent,
getText(R.string.sendVideo)));
} catch (android.content.ActivityNotFoundException ex) {
Toast.makeText(VideoCamera.this, R.string.no_way_to_share_video,
Toast.LENGTH_SHORT).show();
}
}
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:
discardCurrentVideoAndInitRecorder();
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.discard: {
Runnable deleteCallback = new Runnable() {
public void run() {
discardCurrentVideoAndInitRecorder();
}
};
MenuHelper.deleteVideo(this, deleteCallback);
break;
}
case R.id.share: {
startShareVideoActivity();
break;
}
case R.id.play: {
doPlayCurrentVideo();
break;
}
case R.id.review_thumbnail: {
stopVideoRecordingAndShowReview();
initializeRecorder();
break;
}
}
}
public void onShutterButtonFocus(ShutterButton button, boolean pressed) {
// Do nothing (everything happens in onShutterButtonClick).
}
public void onShutterButtonClick(ShutterButton button) {
switch (button.getId()) {
case R.id.shutter_button:
if (mMediaRecorderRecording) {
if (mIsVideoCaptureIntent) {
stopVideoRecordingAndShowAlert();
} else {
stopVideoRecordingAndGetThumbnail();
initializeRecorder();
}
} else if (mMediaRecorder != null) {
// If the click comes before recorder initialization, it is
// ignored. If users click the button during initialization,
// the event is put in the queue and record will be started
// eventually.
startVideoRecording();
}
break;
}
}
private void doPlayCurrentVideo() {
Log.v(TAG, "Playing current video: " + mCurrentVideoUri);
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);
}
}
private void discardCurrentVideoAndInitRecorder() {
deleteCurrentVideo();
hideAlertAndInitializeRecorder();
}
private OnScreenHint mStorageHint;
private void updateAndShowStorageHint(boolean mayHaveSd) {
mStorageStatus = getStorageStatus(mayHaveSd);
showStorageHint();
}
private void showStorageHint() {
String errorMessage = null;
switch (mStorageStatus) {
case STORAGE_STATUS_NONE:
errorMessage = getString(R.string.no_storage);
break;
case STORAGE_STATUS_LOW:
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 int getStorageStatus(boolean mayHaveSd) {
long remaining = mayHaveSd ? getAvailableStorage() : NO_STORAGE_ERROR;
if (remaining == NO_STORAGE_ERROR) {
return STORAGE_STATUS_NONE;
}
return remaining < LOW_STORAGE_THRESHOLD
? STORAGE_STATUS_LOW
: STORAGE_STATUS_OK;
}
private void readVideoPreferences() {
boolean videoQualityHigh =
getBooleanPreference(CameraSettings.KEY_VIDEO_QUALITY,
CameraSettings.DEFAULT_VIDEO_QUALITY_VALUE);
// Set video quality.
Intent intent = getIntent();
if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) {
int extraVideoQuality =
intent.getIntExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
videoQualityHigh = (extraVideoQuality > 0);
}
// 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 {
int minutes = getIntPreference(CameraSettings.KEY_VIDEO_DURATION,
CameraSettings.DEFAULT_VIDEO_DURATION_VALUE);
if (minutes == -1) {
// This is a special case: the value -1 means we want to use the
// device-dependent duration for MMS messages. The value is
// represented in seconds.
mMaxVideoDurationInMs =
1000 * CameraSettings.MMS_VIDEO_DURATION;
} else {
// 1 minute = 60000ms
mMaxVideoDurationInMs = 60000 * minutes;
}
}
mProfile = new MediaRecorderProfile(videoQualityHigh);
}
private void resizeForPreviewAspectRatio() {
mPreviewFrameLayout.setAspectRatio(
(double) mProfile.mVideoWidth / mProfile.mVideoHeight);
}
@Override
public void onResume() {
super.onResume();
mPausing = false;
readVideoPreferences();
resizeForPreviewAspectRatio();
if (!mPreviewing && !mStartPreviewFail) {
try {
startPreview();
} catch (CameraHardwareException e) {
showCameraBusyAndFinish();
return;
}
}
keepScreenOnAwhile();
// install an intent filter to receive SD card related events.
IntentFilter intentFilter =
new IntentFilter(Intent.ACTION_MEDIA_MOUNTED);
intentFilter.addAction(Intent.ACTION_MEDIA_EJECT);
intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
intentFilter.addDataScheme("file");
mReceiver = new MyBroadcastReceiver();
registerReceiver(mReceiver, intentFilter);
mStorageStatus = getStorageStatus(true);
mHandler.postDelayed(new Runnable() {
public void run() {
showStorageHint();
}
}, 200);
if (mSurfaceHolder != null) {
mHandler.sendEmptyMessage(INIT_RECORDER);
}
}
private void setPreviewDisplay(SurfaceHolder holder) {
try {
mCameraDevice.setPreviewDisplay(holder);
} catch (Throwable ex) {
closeCamera();
throw new RuntimeException("setPreviewDisplay failed", ex);
}
}
private void startPreview() throws CameraHardwareException {
Log.v(TAG, "startPreview");
if (mPreviewing) {
// After recording a video, preview is not stopped. So just return.
return;
}
if (mCameraDevice == null) {
// If the activity is paused and resumed, camera device has been
// released and we need to open the camera.
mCameraDevice = CameraHolder.instance().open();
}
mCameraDevice.lock();
setCameraParameters();
setPreviewDisplay(mSurfaceHolder);
try {
mCameraDevice.startPreview();
mPreviewing = true;
} catch (Throwable ex) {
closeCamera();
throw new RuntimeException("startPreview failed", ex);
}
// If setPreviewDisplay has been set with a valid surface, unlock now.
// If surface is null, unlock later. Otherwise, setPreviewDisplay in
// surfaceChanged will fail.
if (mSurfaceHolder != null) {
mCameraDevice.unlock();
}
}
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;
}
@Override
protected void onPause() {
super.onPause();
mPausing = true;
if (mSettings != null && mSettings.isVisible()) {
mSettings.setVisible(false);
}
// This is similar to what mShutterButton.performClick() does,
// but not quite the same.
if (mMediaRecorderRecording) {
if (mIsVideoCaptureIntent) {
stopVideoRecording();
showAlert();
} else {
stopVideoRecordingAndGetThumbnail();
}
} else {
stopVideoRecording();
}
closeCamera();
if (mReceiver != null) {
unregisterReceiver(mReceiver);
mReceiver = null;
}
resetScreenOn();
if (!mIsVideoCaptureIntent) {
mThumbController.storeData(ImageManager.getLastVideoThumbPath());
}
if (mStorageHint != null) {
mStorageHint.cancel();
mStorageHint = null;
}
mHandler.removeMessages(INIT_RECORDER);
}
@Override
public void onUserInteraction() {
super.onUserInteraction();
if (!mMediaRecorderRecording) keepScreenOnAwhile();
}
@Override
public void onBackPressed() {
if (mPausing) return;
if (mMediaRecorderRecording) {
mShutterButton.performClick();
return;
}
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) {
mShutterButton.performClick();
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;
case KeyEvent.KEYCODE_MENU:
if (this.mIsVideoCaptureIntent) {
showOnScreenSettings();
return true;
}
break;
}
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;
}
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;
if (mMediaRecorderRecording) {
stopVideoRecording();
}
// Set preview display if the surface is being created. Preview was
// already started.
if (holder.isCreating()) {
setPreviewDisplay(holder);
mCameraDevice.unlock();
mHandler.sendEmptyMessage(INIT_RECORDER);
}
}
public void surfaceCreated(SurfaceHolder holder) {
mSurfaceHolder = 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 success) {
Intent resultIntent = new Intent();
int resultCode;
if (success) {
resultCode = RESULT_OK;
resultIntent.setData(mCurrentVideoUri);
} else {
resultCode = RESULT_CANCELED;
}
setResult(resultCode, resultIntent);
finish();
}
/**
* Returns
*
* @return number of bytes available, or an ERROR code.
*/
private static long getAvailableStorage() {
try {
if (!ImageManager.hasStorage()) {
return NO_STORAGE_ERROR;
} else {
String storageDirectory =
Environment.getExternalStorageDirectory().toString();
StatFs stat = new StatFs(storageDirectory);
return (long) stat.getAvailableBlocks()
* (long) stat.getBlockSize();
}
} catch (RuntimeException ex) {
// if we can't stat the filesystem then we don't know how many
// free bytes exist. It might be zero but just leave it
// blank since we really don't know.
return CANNOT_STAT_ERROR;
}
}
private void cleanupEmptyFile() {
if (mCameraVideoFilename != null) {
File f = new File(mCameraVideoFilename);
if (f.length() == 0 && f.delete()) {
Log.v(TAG, "Empty video file deleted: " + mCameraVideoFilename);
mCameraVideoFilename = null;
}
}
}
private android.hardware.Camera mCameraDevice;
// Prepares media recorder.
private void initializeRecorder() {
Log.v(TAG, "initializeRecorder");
if (mMediaRecorder != null) return;
// We will call initializeRecorder() again when the alert is hidden.
// If the mCameraDevice is null, then this activity is going to finish
if (isAlertVisible() || mCameraDevice == null) 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 {
mCameraVideoFileDescriptor =
mContentResolver.openFileDescriptor(saveUri, "rw")
.getFileDescriptor();
mCurrentVideoUri = saveUri;
} catch (java.io.FileNotFoundException ex) {
// invalid uri
Log.e(TAG, ex.toString());
}
}
requestedSizeLimit = myExtras.getLong(MediaStore.EXTRA_SIZE_LIMIT);
}
mMediaRecorder = new MediaRecorder();
mMediaRecorder.setCamera(mCameraDevice);
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mMediaRecorder.setOutputFormat(mProfile.mOutputFormat);
mMediaRecorder.setMaxDuration(mMaxVideoDurationInMs);
// Set output file.
if (mStorageStatus != STORAGE_STATUS_OK) {
mMediaRecorder.setOutputFile("/dev/null");
} else {
// Try Uri in the intent first. If it doesn't exist, use our own
// instead.
if (mCameraVideoFileDescriptor != null) {
mMediaRecorder.setOutputFile(mCameraVideoFileDescriptor);
} else {
createVideoPath();
mMediaRecorder.setOutputFile(mCameraVideoFilename);
}
}
// Use the same frame rate for both, since internally
// if the frame rate is too large, it can cause camera to become
// unstable. We need to fix the MediaRecorder to disable the support
// of setting frame rate for now.
mMediaRecorder.setVideoFrameRate(mProfile.mVideoFps);
mMediaRecorder.setVideoSize(
mProfile.mVideoWidth, mProfile.mVideoHeight);
mMediaRecorder.setParameters(String.format(
"video-param-encoding-bitrate=%d", mProfile.mVideoBitrate));
mMediaRecorder.setParameters(String.format(
"audio-param-encoding-bitrate=%d", mProfile.mAudioBitrate));
mMediaRecorder.setParameters(String.format(
"audio-param-number-of-channels=%d", mProfile.mAudioChannels));
mMediaRecorder.setParameters(String.format(
"audio-param-sampling-rate=%d", mProfile.mAudioSamplingRate));
mMediaRecorder.setVideoEncoder(mProfile.mVideoEncoder);
mMediaRecorder.setAudioEncoder(mProfile.mAudioEncoder);
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 = getAvailableStorage() - 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.
}
try {
mMediaRecorder.prepare();
} catch (IOException e) {
Log.e(TAG, "prepare failed for " + mCameraVideoFilename);
releaseMediaRecorder();
throw new RuntimeException(e);
}
mMediaRecorderRecording = false;
// Update the last video thumbnail.
if (!mIsVideoCaptureIntent) {
if (!mThumbController.isUriValid()) {
updateLastVideo();
}
mThumbController.updateDisplayIfNeeded();
}
}
private void releaseMediaRecorder() {
Log.v(TAG, "Releasing media recorder.");
if (mMediaRecorder != null) {
cleanupEmptyFile();
mMediaRecorder.reset();
mMediaRecorder.release();
mMediaRecorder = null;
}
}
private int getIntPreference(String key, int defaultValue) {
String s = mPreferences.getString(key, "");
int result = defaultValue;
try {
result = Integer.parseInt(s);
} catch (NumberFormatException e) {
// Ignore, result is already the default value.
}
return result;
}
private boolean getBooleanPreference(String key, boolean defaultValue) {
return getIntPreference(key, defaultValue ? 1 : 0) != 0;
}
private void createVideoPath() {
long dateTaken = System.currentTimeMillis();
String title = createName(dateTaken);
String displayName = title + ".3gp"; // Used when emailing.
String cameraDirPath = ImageManager.CAMERA_IMAGE_BUCKET_NAME;
File cameraDir = new File(cameraDirPath);
cameraDir.mkdirs();
SimpleDateFormat dateFormat = new SimpleDateFormat(
getString(R.string.video_file_name_format));
Date date = new Date(dateTaken);
String filepart = dateFormat.format(date);
String filename = cameraDirPath + "/" + filepart + ".3gp";
ContentValues values = new ContentValues(7);
values.put(Video.Media.TITLE, title);
values.put(Video.Media.DISPLAY_NAME, displayName);
values.put(Video.Media.DATE_TAKEN, dateTaken);
values.put(Video.Media.MIME_TYPE, "video/3gpp");
values.put(Video.Media.DATA, filename);
mCameraVideoFilename = filename;
Log.v(TAG, "Current camera video filename: " + mCameraVideoFilename);
mCurrentVideoValues = values;
}
private void registerVideo() {
if (mCameraVideoFileDescriptor == null) {
Uri videoTable = Uri.parse("content://media/external/video/media");
mCurrentVideoValues.put(Video.Media.SIZE,
new File(mCurrentVideoFilename).length());
mCurrentVideoUri = mContentResolver.insert(videoTable,
mCurrentVideoValues);
Log.v(TAG, "Current video URI: " + mCurrentVideoUri);
}
mCurrentVideoValues = null;
}
private void deleteCurrentVideo() {
if (mCurrentVideoFilename != null) {
deleteVideoFile(mCurrentVideoFilename);
mCurrentVideoFilename = null;
}
if (mCurrentVideoUri != null) {
mContentResolver.delete(mCurrentVideoUri, null, null);
mCurrentVideoUri = null;
}
updateAndShowStorageHint(true);
}
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) {
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);
MenuItem item = menu.add(Menu.NONE, Menu.NONE,
MenuHelper.POSITION_CAMERA_SETTING, R.string.settings)
.setOnMenuItemClickListener(new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
showOnScreenSettings();
return true;
}});
item.setIcon(android.R.drawable.ic_menu_preferences);
}
private void showOnScreenSettings() {
if (mSettings == null) {
mSettings = new OnScreenSettings(
findViewById(R.id.camera_preview));
CameraSettings helper = new CameraSettings(this, mParameters);
PreferenceScreen screen = helper
.getPreferenceScreen(R.xml.video_preferences);
if (mIsVideoCaptureIntent) {
screen = filterPreferenceScreenByIntent(screen);
}
mSettings.setPreferenceScreen(screen);
mSettings.setOnVisibilityChangedListener(this);
}
mSettings.setVisible(true);
}
private PreferenceScreen filterPreferenceScreenByIntent(
PreferenceScreen 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_DURATION);
}
return screen;
}
private class GripperTouchListener implements View.OnTouchListener {
public boolean onTouch(View view, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
return true;
case MotionEvent.ACTION_UP:
showOnScreenSettings();
return true;
}
return false;
}
}
public void onVisibilityChanged(boolean visible) {
// At this point, we are not recording.
mGripper.setVisibility(visible ? View.INVISIBLE : View.VISIBLE);
if (visible) {
releaseMediaRecorder();
mPreferences.registerOnSharedPreferenceChangeListener(this);
} else {
initializeRecorder();
mPreferences.unregisterOnSharedPreferenceChangeListener(this);
}
}
// 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(true);
}
}
// from MediaRecorder.OnInfoListener
public void onInfo(MediaRecorder mr, int what, int extra) {
if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED) {
mShutterButton.performClick();
} else if (what
== MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) {
mShutterButton.performClick();
// 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");
if (!mMediaRecorderRecording) {
if (mStorageStatus != STORAGE_STATUS_OK) {
Log.v(TAG, "Storage issue, ignore the start request");
return;
}
// Check mMediaRecorder to see whether it is initialized or not.
if (mMediaRecorder == null) {
Log.e(TAG, "MediaRecorder is not initialized.");
return;
}
pauseAudioPlayback();
try {
mMediaRecorder.setOnErrorListener(this);
mMediaRecorder.setOnInfoListener(this);
mMediaRecorder.start(); // Recording is now started
} catch (RuntimeException e) {
Log.e(TAG, "Could not start media recorder. ", e);
return;
}
mMediaRecorderRecording = true;
mRecordingStartTime = SystemClock.uptimeMillis();
updateRecordingIndicator(false);
mRecordingTimeView.setText("");
mRecordingTimeView.setVisibility(View.VISIBLE);
updateRecordingTime();
keepScreenOn();
mGripper.setVisibility(View.INVISIBLE);
}
}
private void updateRecordingIndicator(boolean showRecording) {
int drawableId =
showRecording ? R.drawable.btn_ic_video_record
: R.drawable.btn_ic_video_record_stop;
Drawable drawable = getResources().getDrawable(drawableId);
mShutterButton.setImageDrawable(drawable);
}
private void stopVideoRecordingAndGetThumbnail() {
stopVideoRecording();
acquireVideoThumb();
}
private void stopVideoRecordingAndShowAlert() {
stopVideoRecording();
showAlert();
}
private void showAlert() {
fadeOut(findViewById(R.id.shutter_button));
if (mCurrentVideoFilename != null) {
mVideoFrame.setImageBitmap(
ThumbnailUtil.createVideoThumbnail(mCurrentVideoFilename));
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()));
}
}
private void hideAlert() {
mVideoFrame.setVisibility(View.INVISIBLE);
fadeIn(findViewById(R.id.shutter_button));
int[] pickIds = {R.id.btn_retake, R.id.btn_done, R.id.btn_play};
for (int id : pickIds) {
View button = findViewById(id);
fadeOut(((View) button.getParent()));
}
}
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 stopVideoRecordingAndShowReview() {
stopVideoRecording();
if (mThumbController.isUriValid()) {
Uri targetUri = mThumbController.getUri();
Intent intent = new Intent(this, ReviewImage.class);
intent.setData(targetUri);
intent.putExtra(MediaStore.EXTRA_FULL_SCREEN, true);
intent.putExtra(MediaStore.EXTRA_SHOW_ACTION_ICONS, true);
intent.putExtra("com.android.camera.ReviewMode", true);
try {
startActivity(intent);
} catch (ActivityNotFoundException ex) {
Log.e(TAG, "review video fail", ex);
}
} else {
Log.e(TAG, "Can't view last video.");
}
}
private void stopVideoRecording() {
Log.v(TAG, "stopVideoRecording");
boolean needToRegisterRecording = false;
if (mMediaRecorderRecording || mMediaRecorder != null) {
if (mMediaRecorderRecording && mMediaRecorder != null) {
try {
mMediaRecorder.setOnErrorListener(null);
mMediaRecorder.setOnInfoListener(null);
mMediaRecorder.stop();
} catch (RuntimeException e) {
Log.e(TAG, "stop fail: " + e.getMessage());
}
mCurrentVideoFilename = mCameraVideoFilename;
Log.v(TAG, "Setting current video filename: "
+ mCurrentVideoFilename);
needToRegisterRecording = true;
mMediaRecorderRecording = false;
}
releaseMediaRecorder();
updateRecordingIndicator(true);
mRecordingTimeView.setVisibility(View.GONE);
keepScreenOnAwhile();
mGripper.setVisibility(View.VISIBLE);
}
if (needToRegisterRecording && mStorageStatus == STORAGE_STATUS_OK) {
registerVideo();
}
mCameraVideoFilename = null;
mCameraVideoFileDescriptor = null;
}
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 hideAlertAndInitializeRecorder() {
hideAlert();
mHandler.sendEmptyMessage(INIT_RECORDER);
}
private void acquireVideoThumb() {
Bitmap videoFrame = ThumbnailUtil.createVideoThumbnail(mCurrentVideoFilename);
mThumbController.setData(mCurrentVideoUri, videoFrame);
}
private static ImageManager.DataLocation dataLocation() {
return ImageManager.DataLocation.EXTERNAL;
}
private void updateLastVideo() {
IImageList list = ImageManager.makeImageList(
mContentResolver,
dataLocation(),
ImageManager.INCLUDE_VIDEOS,
ImageManager.SORT_ASCENDING,
ImageManager.CAMERA_IMAGE_BUCKET_ID);
int count = list.getCount();
if (count > 0) {
IImage image = list.getImageAt(count - 1);
Uri uri = image.fullSizeImageUri();
mThumbController.setData(uri, image.miniThumbBitmap());
} else {
mThumbController.setData(null, null);
}
list.close();
}
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 next_update_delay = 1000 - (delta % 1000);
long seconds;
if (countdownRemainingTime) {
delta = Math.max(0, mMaxVideoDurationInMs - delta);
seconds = (delta + 999) / 1000;
} else {
seconds = delta / 1000; // round to nearest
}
long minutes = seconds / 60;
long hours = minutes / 60;
long remainderMinutes = minutes - (hours * 60);
long remainderSeconds = seconds - (minutes * 60);
String secondsString = Long.toString(remainderSeconds);
if (secondsString.length() < 2) {
secondsString = "0" + secondsString;
}
String minutesString = Long.toString(remainderMinutes);
if (minutesString.length() < 2) {
minutesString = "0" + minutesString;
}
String text = minutesString + ":" + secondsString;
if (hours > 0) {
String hoursString = Long.toString(hours);
if (hoursString.length() < 2) {
hoursString = "0" + hoursString;
}
text = hoursString + ":" + text;
}
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);
}
mHandler.sendEmptyMessageDelayed(
UPDATE_RECORD_TIME, next_update_delay);
}
private void setCameraParameters() {
mParameters = mCameraDevice.getParameters();
mParameters.setPreviewSize(mProfile.mVideoWidth, mProfile.mVideoHeight);
mParameters.setPreviewFrameRate(mProfile.mVideoFps);
// Set white balance parameter.
if (mParameters.getSupportedWhiteBalance() != null) {
String whiteBalance = mPreferences.getString(
CameraSettings.KEY_WHITE_BALANCE,
getString(R.string.pref_camera_whitebalance_default));
mParameters.setWhiteBalance(whiteBalance);
}
// Set color effect parameter.
if (mParameters.getSupportedColorEffects() != null) {
String colorEffect = mPreferences.getString(
CameraSettings.KEY_COLOR_EFFECT,
getString(R.string.pref_camera_coloreffect_default));
mParameters.setColorEffect(colorEffect);
}
mCameraDevice.setParameters(mParameters);
}
public boolean onSwitchChanged(Switcher source, boolean onOff) {
if (onOff == SWITCH_CAMERA) {
MenuHelper.gotoCameraMode(this);
finish();
}
return true;
}
public void onSharedPreferenceChanged(
SharedPreferences preferences, String key) {
// ignore the events after "onPause()" or preview has not started yet
if (mPausing) return;
if (CameraSettings.KEY_VIDEO_DURATION.equals(key)
|| CameraSettings.KEY_VIDEO_QUALITY.equals(key)) {
readVideoPreferences();
}
// If mCameraDevice is not ready then we can set the parameter in
// startPreview().
if (mCameraDevice == null) return;
// We need to restart the preview if preview size is changed.
Size size = mParameters.getPreviewSize();
if (size.width != mProfile.mVideoWidth
|| size.height != mProfile.mVideoHeight) {
// It is assumed media recorder is released before
// onSharedPreferenceChanged, so we can close the camera here.
closeCamera();
try {
resizeForPreviewAspectRatio();
startPreview(); // Parameters will be set in startPreview().
} catch (CameraHardwareException e) {
showCameraBusyAndFinish();
}
} else {
try {
// We need to lock the camera before writing parameters.
mCameraDevice.lock();
} catch (RuntimeException e) {
// When preferences are added for the first time, this method
// will be called. But OnScreenSetting is not displayed yet and
// media recorder still owns the camera. Lock will fail and we
// just ignore it.
return;
}
setCameraParameters();
mCameraDevice.unlock();
}
}
public void onSizeChanged() {
if (mSettings != null) {
mSettings.updateLayout();
}
}
}
//
// DefaultHashMap is a HashMap which returns a default value if the specified
// key is not found.
//
@SuppressWarnings("serial")
class DefaultHashMap<K, V> extends HashMap<K, V> {
private V mDefaultValue;
public void putDefault(V defaultValue) {
mDefaultValue = defaultValue;
}
@Override
public V get(Object key) {
V value = super.get(key);
return (value == null) ? mDefaultValue : value;
}
}
//
// MediaRecorderProfile reads from system properties to determine the proper
// values for various parameters for MediaRecorder.
//
class MediaRecorderProfile {
@SuppressWarnings("unused")
private static final String TAG = "MediaRecorderProfile";
public final boolean mHiQuality;
public final int mOutputFormat;
public final int mVideoEncoder;
public final int mAudioEncoder;
public final int mVideoWidth;
public final int mVideoHeight;
public final int mVideoFps;
public final int mVideoBitrate;
public final int mAudioBitrate;
public final int mAudioChannels;
public final int mAudioSamplingRate;
MediaRecorderProfile(boolean hiQuality) {
mHiQuality = hiQuality;
mOutputFormat = getFromTable("ro.media.enc.hprof.file.format",
"ro.media.enc.lprof.file.format",
OUTPUT_FORMAT_TABLE);
mVideoEncoder = getFromTable("ro.media.enc.hprof.codec.vid",
"ro.media.enc.lprof.codec.vid",
VIDEO_ENCODER_TABLE);
mAudioEncoder = getFromTable("ro.media.enc.hprof.codec.aud",
"ro.media.enc.lprof.codec.aud",
AUDIO_ENCODER_TABLE);
mVideoWidth = getInt("ro.media.enc.hprof.vid.width",
"ro.media.enc.lprof.vid.width",
352, 176);
mVideoHeight = getInt("ro.media.enc.hprof.vid.height",
"ro.media.enc.lprof.vid.height",
288, 144);
mVideoFps = getInt("ro.media.enc.hprof.vid.fps",
"ro.media.enc.lprof.vid.fps",
20, 20);
mVideoBitrate = getInt("ro.media.enc.hprof.vid.bps",
"ro.media.enc.lprof.vid.bps",
360000, 192000);
mAudioBitrate = getInt("ro.media.enc.hprof.aud.bps",
"ro.media.enc.lprof.aud.bps",
23450, 23450);
mAudioChannels = getInt("ro.media.enc.hprof.aud.ch",
"ro.media.enc.lprof.aud.ch",
1, 1);
mAudioSamplingRate = getInt("ro.media.enc.hprof.aud.hz",
"ro.media.enc.lprof.aud.hz",
8000, 8000);
}
private int getFromTable(String highKey, String lowKey,
DefaultHashMap<String, Integer> table) {
String s;
s = SystemProperties.get(mHiQuality ? highKey : lowKey);
return table.get(s);
}
private int getInt(String highKey, String lowKey, int highDefault,
int lowDefault) {
String key = mHiQuality ? highKey : lowKey;
int defaultValue = mHiQuality ? highDefault : lowDefault;
return SystemProperties.getInt(key, defaultValue);
}
private static final DefaultHashMap<String, Integer>
OUTPUT_FORMAT_TABLE = new DefaultHashMap<String, Integer>();
private static final DefaultHashMap<String, Integer>
VIDEO_ENCODER_TABLE = new DefaultHashMap<String, Integer>();
private static final DefaultHashMap<String, Integer>
AUDIO_ENCODER_TABLE = new DefaultHashMap<String, Integer>();
static {
OUTPUT_FORMAT_TABLE.put("3gp", MediaRecorder.OutputFormat.THREE_GPP);
OUTPUT_FORMAT_TABLE.put("mp4", MediaRecorder.OutputFormat.MPEG_4);
OUTPUT_FORMAT_TABLE.putDefault(MediaRecorder.OutputFormat.DEFAULT);
VIDEO_ENCODER_TABLE.put("h263", MediaRecorder.VideoEncoder.H263);
VIDEO_ENCODER_TABLE.put("h264", MediaRecorder.VideoEncoder.H264);
VIDEO_ENCODER_TABLE.put("m4v", MediaRecorder.VideoEncoder.MPEG_4_SP);
VIDEO_ENCODER_TABLE.putDefault(MediaRecorder.VideoEncoder.DEFAULT);
AUDIO_ENCODER_TABLE.put("amrnb", MediaRecorder.AudioEncoder.AMR_NB);
AUDIO_ENCODER_TABLE.put("amrwb", MediaRecorder.AudioEncoder.AMR_WB);
AUDIO_ENCODER_TABLE.put("aac", MediaRecorder.AudioEncoder.AAC);
AUDIO_ENCODER_TABLE.put("aacplus", MediaRecorder.AudioEncoder.AAC_PLUS);
AUDIO_ENCODER_TABLE.put("eaacplus",
MediaRecorder.AudioEncoder.EAAC_PLUS);
AUDIO_ENCODER_TABLE.putDefault(MediaRecorder.AudioEncoder.DEFAULT);
}
}
|