summaryrefslogtreecommitdiffstats
path: root/media/libmedia/mediarecorder.cpp
blob: a2d6e53b2d5ac0c928fcb4130fab5b08a880d663 (plain)
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
/*
 **
 ** Copyright (c) 2008 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.
 */

//#define LOG_NDEBUG 0
#define LOG_TAG "MediaRecorder"

#include <inttypes.h>

#include <utils/Log.h>
#include <media/mediarecorder.h>
#include <binder/IServiceManager.h>
#include <utils/String8.h>
#include <media/IMediaPlayerService.h>
#include <media/IMediaRecorder.h>
#include <media/mediaplayer.h>  // for MEDIA_ERROR_SERVER_DIED
#include <gui/IGraphicBufferProducer.h>

namespace android {

status_t MediaRecorder::setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy)
{
    ALOGV("setCamera(%p,%p)", camera.get(), proxy.get());
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_IDLE)) {
        ALOGE("setCamera called in an invalid state(%d)", mCurrentState);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->setCamera(camera, proxy);
    if (OK != ret) {
        ALOGV("setCamera failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    return ret;
}

status_t MediaRecorder::setPreviewSurface(const sp<IGraphicBufferProducer>& surface)
{
    ALOGV("setPreviewSurface(%p)", surface.get());
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
        ALOGE("setPreviewSurface called in an invalid state(%d)", mCurrentState);
        return INVALID_OPERATION;
    }
    if (!mIsVideoSourceSet) {
        ALOGE("try to set preview surface without setting the video source first");
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->setPreviewSurface(surface);
    if (OK != ret) {
        ALOGV("setPreviewSurface failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    return ret;
}

status_t MediaRecorder::init()
{
    ALOGV("init");
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_IDLE)) {
        ALOGE("init called in an invalid state(%d)", mCurrentState);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->init();
    if (OK != ret) {
        ALOGV("init failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }

    ret = mMediaRecorder->setListener(this);
    if (OK != ret) {
        ALOGV("setListener failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }

    mCurrentState = MEDIA_RECORDER_INITIALIZED;
    return ret;
}

status_t MediaRecorder::setVideoSource(int vs)
{
    ALOGV("setVideoSource(%d)", vs);
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (mIsVideoSourceSet) {
        ALOGE("video source has already been set");
        return INVALID_OPERATION;
    }
    if (mCurrentState & MEDIA_RECORDER_IDLE) {
        ALOGV("Call init() since the media recorder is not initialized yet");
        status_t ret = init();
        if (OK != ret) {
            return ret;
        }
    }
    if (!(mCurrentState & MEDIA_RECORDER_INITIALIZED)) {
        ALOGE("setVideoSource called in an invalid state(%d)", mCurrentState);
        return INVALID_OPERATION;
    }

    // following call is made over the Binder Interface
    status_t ret = mMediaRecorder->setVideoSource(vs);

    if (OK != ret) {
        ALOGV("setVideoSource failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    mIsVideoSourceSet = true;
    return ret;
}

status_t MediaRecorder::setAudioSource(int as)
{
    ALOGV("setAudioSource(%d)", as);
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (mCurrentState & MEDIA_RECORDER_IDLE) {
        ALOGV("Call init() since the media recorder is not initialized yet");
        status_t ret = init();
        if (OK != ret) {
            return ret;
        }
    }
    if (mIsAudioSourceSet) {
        ALOGE("audio source has already been set");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_INITIALIZED)) {
        ALOGE("setAudioSource called in an invalid state(%d)", mCurrentState);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->setAudioSource(as);
    if (OK != ret) {
        ALOGV("setAudioSource failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    mIsAudioSourceSet = true;
    return ret;
}

status_t MediaRecorder::setOutputFormat(int of)
{
    ALOGV("setOutputFormat(%d)", of);
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_INITIALIZED)) {
        ALOGE("setOutputFormat called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }
    if (mIsVideoSourceSet
            && of >= OUTPUT_FORMAT_AUDIO_ONLY_START //first non-video output format
            && of < OUTPUT_FORMAT_AUDIO_ONLY_END) {
        ALOGE("output format (%d) is meant for audio recording only"
              " and incompatible with video recording", of);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->setOutputFormat(of);
    if (OK != ret) {
        ALOGE("setOutputFormat failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    mCurrentState = MEDIA_RECORDER_DATASOURCE_CONFIGURED;
    return ret;
}

status_t MediaRecorder::setVideoEncoder(int ve)
{
    ALOGV("setVideoEncoder(%d)", ve);
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!mIsVideoSourceSet) {
        ALOGE("try to set the video encoder without setting the video source first");
        return INVALID_OPERATION;
    }
    if (mIsVideoEncoderSet) {
        ALOGE("video encoder has already been set");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
        ALOGE("setVideoEncoder called in an invalid state(%d)", mCurrentState);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->setVideoEncoder(ve);
    if (OK != ret) {
        ALOGV("setVideoEncoder failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    mIsVideoEncoderSet = true;
    return ret;
}

status_t MediaRecorder::setAudioEncoder(int ae)
{
    ALOGV("setAudioEncoder(%d)", ae);
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!mIsAudioSourceSet) {
        ALOGE("try to set the audio encoder without setting the audio source first");
        return INVALID_OPERATION;
    }
    if (mIsAudioEncoderSet) {
        ALOGE("audio encoder has already been set");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
        ALOGE("setAudioEncoder called in an invalid state(%d)", mCurrentState);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->setAudioEncoder(ae);
    if (OK != ret) {
        ALOGV("setAudioEncoder failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    mIsAudioEncoderSet = true;
    return ret;
}

status_t MediaRecorder::setOutputFile(int fd, int64_t offset, int64_t length)
{
    ALOGV("setOutputFile(%d, %" PRId64 ", %" PRId64 ")", fd, offset, length);
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (mIsOutputFileSet) {
        ALOGE("output file has already been set");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
        ALOGE("setOutputFile called in an invalid state(%d)", mCurrentState);
        return INVALID_OPERATION;
    }

    // It appears that if an invalid file descriptor is passed through
    // binder calls, the server-side of the inter-process function call
    // is skipped. As a result, the check at the server-side to catch
    // the invalid file descritpor never gets invoked. This is to workaround
    // this issue by checking the file descriptor first before passing
    // it through binder call.
    if (fd < 0) {
        ALOGE("Invalid file descriptor: %d", fd);
        return BAD_VALUE;
    }

    status_t ret = mMediaRecorder->setOutputFile(fd, offset, length);
    if (OK != ret) {
        ALOGV("setOutputFile failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    mIsOutputFileSet = true;
    return ret;
}

status_t MediaRecorder::setVideoSize(int width, int height)
{
    ALOGV("setVideoSize(%d, %d)", width, height);
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
        ALOGE("setVideoSize called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }
    if (!mIsVideoSourceSet) {
        ALOGE("Cannot set video size without setting video source first");
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->setVideoSize(width, height);
    if (OK != ret) {
        ALOGE("setVideoSize failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }

    return ret;
}

// Query a SurfaceMediaSurface through the Mediaserver, over the
// binder interface. This is used by the Filter Framework (MediaEncoder)
// to get an <IGraphicBufferProducer> object to hook up to ANativeWindow.
sp<IGraphicBufferProducer> MediaRecorder::
        querySurfaceMediaSourceFromMediaServer()
{
    Mutex::Autolock _l(mLock);
    mSurfaceMediaSource =
            mMediaRecorder->querySurfaceMediaSource();
    if (mSurfaceMediaSource == NULL) {
        ALOGE("SurfaceMediaSource could not be initialized!");
    }
    return mSurfaceMediaSource;
}



status_t MediaRecorder::setVideoFrameRate(int frames_per_second)
{
    ALOGV("setVideoFrameRate(%d)", frames_per_second);
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
        ALOGE("setVideoFrameRate called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }
    if (!mIsVideoSourceSet) {
        ALOGE("Cannot set video frame rate without setting video source first");
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->setVideoFrameRate(frames_per_second);
    if (OK != ret) {
        ALOGE("setVideoFrameRate failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    return ret;
}

status_t MediaRecorder::setParameters(const String8& params) {
    ALOGV("setParameters(%s)", params.string());
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }

    bool isInvalidState = (mCurrentState &
                           (MEDIA_RECORDER_PREPARED |
                            MEDIA_RECORDER_RECORDING |
                            MEDIA_RECORDER_ERROR));
    if (isInvalidState) {
        ALOGE("setParameters is called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->setParameters(params);
    if (OK != ret) {
        ALOGE("setParameters(%s) failed: %d", params.string(), ret);
        // Do not change our current state to MEDIA_RECORDER_ERROR, failures
        // of the only currently supported parameters, "max-duration" and
        // "max-filesize" are _not_ fatal.
    }

    return ret;
}

status_t MediaRecorder::prepare()
{
    ALOGV("prepare");
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
        ALOGE("prepare called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }
    if (mIsAudioSourceSet != mIsAudioEncoderSet) {
        if (mIsAudioSourceSet) {
            ALOGE("audio source is set, but audio encoder is not set");
        } else {  // must not happen, since setAudioEncoder checks this already
            ALOGE("audio encoder is set, but audio source is not set");
        }
        return INVALID_OPERATION;
    }

    if (mIsVideoSourceSet != mIsVideoEncoderSet) {
        if (mIsVideoSourceSet) {
            ALOGE("video source is set, but video encoder is not set");
        } else {  // must not happen, since setVideoEncoder checks this already
            ALOGE("video encoder is set, but video source is not set");
        }
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->prepare();
    if (OK != ret) {
        ALOGE("prepare failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    mCurrentState = MEDIA_RECORDER_PREPARED;
    return ret;
}

status_t MediaRecorder::getMaxAmplitude(int* max)
{
    ALOGV("getMaxAmplitude");
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (mCurrentState & MEDIA_RECORDER_ERROR) {
        ALOGE("getMaxAmplitude called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->getMaxAmplitude(max);
    if (OK != ret) {
        ALOGE("getMaxAmplitude failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    return ret;
}

status_t MediaRecorder::start()
{
    ALOGV("start");
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_PREPARED)) {
        ALOGE("start called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->start();
    if (OK != ret) {
        ALOGE("start failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }
    mCurrentState = MEDIA_RECORDER_RECORDING;
    return ret;
}

status_t MediaRecorder::stop()
{
    ALOGV("stop");
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    if (!(mCurrentState & MEDIA_RECORDER_RECORDING)) {
        ALOGE("stop called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }

    status_t ret = mMediaRecorder->stop();
    if (OK != ret) {
        ALOGE("stop failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    }

    // FIXME:
    // stop and reset are semantically different.
    // We treat them the same for now, and will change this in the future.
    doCleanUp();
    mCurrentState = MEDIA_RECORDER_IDLE;
    return ret;
}

// Reset should be OK in any state
status_t MediaRecorder::reset()
{
    ALOGV("reset");
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }

    doCleanUp();
    status_t ret = UNKNOWN_ERROR;
    switch (mCurrentState) {
        case MEDIA_RECORDER_IDLE:
            ret = OK;
            break;

        case MEDIA_RECORDER_RECORDING:
        case MEDIA_RECORDER_DATASOURCE_CONFIGURED:
        case MEDIA_RECORDER_PREPARED:
        case MEDIA_RECORDER_ERROR: {
            ret = doReset();
            if (OK != ret) {
                return ret;  // No need to continue
            }
        }  // Intentional fall through
        case MEDIA_RECORDER_INITIALIZED:
            ret = close();
            break;

        default: {
            ALOGE("Unexpected non-existing state: %d", mCurrentState);
            break;
        }
    }
    return ret;
}

status_t MediaRecorder::close()
{
    ALOGV("close");
    if (!(mCurrentState & MEDIA_RECORDER_INITIALIZED)) {
        ALOGE("close called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }
    status_t ret = mMediaRecorder->close();
    if (OK != ret) {
        ALOGE("close failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return UNKNOWN_ERROR;
    } else {
        mCurrentState = MEDIA_RECORDER_IDLE;
    }
    return ret;
}

status_t MediaRecorder::doReset()
{
    ALOGV("doReset");
    status_t ret = mMediaRecorder->reset();
    if (OK != ret) {
        ALOGE("doReset failed: %d", ret);
        mCurrentState = MEDIA_RECORDER_ERROR;
        return ret;
    } else {
        mCurrentState = MEDIA_RECORDER_INITIALIZED;
    }
    return ret;
}

void MediaRecorder::doCleanUp()
{
    ALOGV("doCleanUp");
    mIsAudioSourceSet  = false;
    mIsVideoSourceSet  = false;
    mIsAudioEncoderSet = false;
    mIsVideoEncoderSet = false;
    mIsOutputFileSet   = false;
}

// Release should be OK in any state
status_t MediaRecorder::release()
{
    ALOGV("release");
    if (mMediaRecorder != NULL) {
        return mMediaRecorder->release();
    }
    return INVALID_OPERATION;
}

MediaRecorder::MediaRecorder() : mSurfaceMediaSource(NULL)
{
    ALOGV("constructor");

    const sp<IMediaPlayerService>& service(getMediaPlayerService());
    if (service != NULL) {
        mMediaRecorder = service->createMediaRecorder();
    }
    if (mMediaRecorder != NULL) {
        mCurrentState = MEDIA_RECORDER_IDLE;
    }


    doCleanUp();
}

status_t MediaRecorder::initCheck()
{
    return mMediaRecorder != 0 ? NO_ERROR : NO_INIT;
}

MediaRecorder::~MediaRecorder()
{
    ALOGV("destructor");
    if (mMediaRecorder != NULL) {
        mMediaRecorder.clear();
    }

    if (mSurfaceMediaSource != NULL) {
        mSurfaceMediaSource.clear();
    }
}

status_t MediaRecorder::setListener(const sp<MediaRecorderListener>& listener)
{
    ALOGV("setListener");
    Mutex::Autolock _l(mLock);
    mListener = listener;

    return NO_ERROR;
}

status_t MediaRecorder::setClientName(const String16& clientName)
{
    ALOGV("setClientName");
    if (mMediaRecorder == NULL) {
        ALOGE("media recorder is not initialized yet");
        return INVALID_OPERATION;
    }
    bool isInvalidState = (mCurrentState &
                           (MEDIA_RECORDER_PREPARED |
                            MEDIA_RECORDER_RECORDING |
                            MEDIA_RECORDER_ERROR));
    if (isInvalidState) {
        ALOGE("setClientName is called in an invalid state: %d", mCurrentState);
        return INVALID_OPERATION;
    }

    mMediaRecorder->setClientName(clientName);

    return NO_ERROR;
}

void MediaRecorder::notify(int msg, int ext1, int ext2)
{
    ALOGV("message received msg=%d, ext1=%d, ext2=%d", msg, ext1, ext2);

    sp<MediaRecorderListener> listener;
    mLock.lock();
    listener = mListener;
    mLock.unlock();

    if (listener != NULL) {
        Mutex::Autolock _l(mNotifyLock);
        ALOGV("callback application");
        listener->notify(msg, ext1, ext2);
        ALOGV("back from callback");
    }
}

void MediaRecorder::died()
{
    ALOGV("died");
    notify(MEDIA_RECORDER_EVENT_ERROR, MEDIA_ERROR_SERVER_DIED, 0);
}

} // namespace android