StagefrightRecorder.cpp revision fc079f79d8d4f6ef9f138aa615486c10dda99fb7 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "StagefrightRecorder"
19#include <inttypes.h>
20#include <utils/Log.h>
21
22#include "WebmWriter.h"
23#include "StagefrightRecorder.h"
24
25#include <algorithm>
26
27#include <android/hardware/ICamera.h>
28
29#include <binder/IPCThreadState.h>
30#include <binder/IServiceManager.h>
31
32#include <media/IMediaPlayerService.h>
33#include <media/stagefright/foundation/ABuffer.h>
34#include <media/stagefright/foundation/ADebug.h>
35#include <media/stagefright/foundation/AMessage.h>
36#include <media/stagefright/foundation/ALooper.h>
37#include <media/stagefright/ACodec.h>
38#include <media/stagefright/AudioSource.h>
39#include <media/stagefright/AMRWriter.h>
40#include <media/stagefright/AACWriter.h>
41#include <media/stagefright/CameraSource.h>
42#include <media/stagefright/CameraSourceTimeLapse.h>
43#include <media/stagefright/MPEG2TSWriter.h>
44#include <media/stagefright/MPEG4Writer.h>
45#include <media/stagefright/MediaDefs.h>
46#include <media/stagefright/MetaData.h>
47#include <media/stagefright/MediaCodecSource.h>
48#include <media/stagefright/PersistentSurface.h>
49#include <media/MediaProfiles.h>
50#include <camera/CameraParameters.h>
51
52#include <utils/Errors.h>
53#include <sys/types.h>
54#include <ctype.h>
55#include <unistd.h>
56
57#include <system/audio.h>
58
59#include "ARTPWriter.h"
60
61namespace android {
62
63static const float kTypicalDisplayRefreshingRate = 60.f;
64// display refresh rate drops on battery saver
65static const float kMinTypicalDisplayRefreshingRate = kTypicalDisplayRefreshingRate / 2;
66static const int kMaxNumVideoTemporalLayers = 8;
67
68// To collect the encoder usage for the battery app
69static void addBatteryData(uint32_t params) {
70    sp<IBinder> binder =
71        defaultServiceManager()->getService(String16("media.player"));
72    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
73    CHECK(service.get() != NULL);
74
75    service->addBatteryData(params);
76}
77
78
79StagefrightRecorder::StagefrightRecorder(const String16 &opPackageName)
80    : MediaRecorderBase(opPackageName),
81      mWriter(NULL),
82      mOutputFd(-1),
83      mAudioSource(AUDIO_SOURCE_CNT),
84      mVideoSource(VIDEO_SOURCE_LIST_END),
85      mStarted(false) {
86
87    ALOGV("Constructor");
88    reset();
89}
90
91StagefrightRecorder::~StagefrightRecorder() {
92    ALOGV("Destructor");
93    stop();
94
95    if (mLooper != NULL) {
96        mLooper->stop();
97    }
98}
99
100status_t StagefrightRecorder::init() {
101    ALOGV("init");
102
103    mLooper = new ALooper;
104    mLooper->setName("recorder_looper");
105    mLooper->start();
106
107    return OK;
108}
109
110// The client side of mediaserver asks it to creat a SurfaceMediaSource
111// and return a interface reference. The client side will use that
112// while encoding GL Frames
113sp<IGraphicBufferProducer> StagefrightRecorder::querySurfaceMediaSource() const {
114    ALOGV("Get SurfaceMediaSource");
115    return mGraphicBufferProducer;
116}
117
118status_t StagefrightRecorder::setAudioSource(audio_source_t as) {
119    ALOGV("setAudioSource: %d", as);
120    if (as < AUDIO_SOURCE_DEFAULT ||
121        (as >= AUDIO_SOURCE_CNT && as != AUDIO_SOURCE_FM_TUNER)) {
122        ALOGE("Invalid audio source: %d", as);
123        return BAD_VALUE;
124    }
125
126    if (as == AUDIO_SOURCE_DEFAULT) {
127        mAudioSource = AUDIO_SOURCE_MIC;
128    } else {
129        mAudioSource = as;
130    }
131
132    return OK;
133}
134
135status_t StagefrightRecorder::setVideoSource(video_source vs) {
136    ALOGV("setVideoSource: %d", vs);
137    if (vs < VIDEO_SOURCE_DEFAULT ||
138        vs >= VIDEO_SOURCE_LIST_END) {
139        ALOGE("Invalid video source: %d", vs);
140        return BAD_VALUE;
141    }
142
143    if (vs == VIDEO_SOURCE_DEFAULT) {
144        mVideoSource = VIDEO_SOURCE_CAMERA;
145    } else {
146        mVideoSource = vs;
147    }
148
149    return OK;
150}
151
152status_t StagefrightRecorder::setOutputFormat(output_format of) {
153    ALOGV("setOutputFormat: %d", of);
154    if (of < OUTPUT_FORMAT_DEFAULT ||
155        of >= OUTPUT_FORMAT_LIST_END) {
156        ALOGE("Invalid output format: %d", of);
157        return BAD_VALUE;
158    }
159
160    if (of == OUTPUT_FORMAT_DEFAULT) {
161        mOutputFormat = OUTPUT_FORMAT_THREE_GPP;
162    } else {
163        mOutputFormat = of;
164    }
165
166    return OK;
167}
168
169status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) {
170    ALOGV("setAudioEncoder: %d", ae);
171    if (ae < AUDIO_ENCODER_DEFAULT ||
172        ae >= AUDIO_ENCODER_LIST_END) {
173        ALOGE("Invalid audio encoder: %d", ae);
174        return BAD_VALUE;
175    }
176
177    if (ae == AUDIO_ENCODER_DEFAULT) {
178        mAudioEncoder = AUDIO_ENCODER_AMR_NB;
179    } else {
180        mAudioEncoder = ae;
181    }
182
183    return OK;
184}
185
186status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) {
187    ALOGV("setVideoEncoder: %d", ve);
188    if (ve < VIDEO_ENCODER_DEFAULT ||
189        ve >= VIDEO_ENCODER_LIST_END) {
190        ALOGE("Invalid video encoder: %d", ve);
191        return BAD_VALUE;
192    }
193
194    mVideoEncoder = ve;
195
196    return OK;
197}
198
199status_t StagefrightRecorder::setVideoSize(int width, int height) {
200    ALOGV("setVideoSize: %dx%d", width, height);
201    if (width <= 0 || height <= 0) {
202        ALOGE("Invalid video size: %dx%d", width, height);
203        return BAD_VALUE;
204    }
205
206    // Additional check on the dimension will be performed later
207    mVideoWidth = width;
208    mVideoHeight = height;
209
210    return OK;
211}
212
213status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) {
214    ALOGV("setVideoFrameRate: %d", frames_per_second);
215    if ((frames_per_second <= 0 && frames_per_second != -1) ||
216        frames_per_second > kMaxHighSpeedFps) {
217        ALOGE("Invalid video frame rate: %d", frames_per_second);
218        return BAD_VALUE;
219    }
220
221    // Additional check on the frame rate will be performed later
222    mFrameRate = frames_per_second;
223
224    return OK;
225}
226
227status_t StagefrightRecorder::setCamera(const sp<hardware::ICamera> &camera,
228                                        const sp<ICameraRecordingProxy> &proxy) {
229    ALOGV("setCamera");
230    if (camera == 0) {
231        ALOGE("camera is NULL");
232        return BAD_VALUE;
233    }
234    if (proxy == 0) {
235        ALOGE("camera proxy is NULL");
236        return BAD_VALUE;
237    }
238
239    mCamera = camera;
240    mCameraProxy = proxy;
241    return OK;
242}
243
244status_t StagefrightRecorder::setPreviewSurface(const sp<IGraphicBufferProducer> &surface) {
245    ALOGV("setPreviewSurface: %p", surface.get());
246    mPreviewSurface = surface;
247
248    return OK;
249}
250
251status_t StagefrightRecorder::setInputSurface(
252        const sp<PersistentSurface>& surface) {
253    mPersistentSurface = surface;
254
255    return OK;
256}
257
258status_t StagefrightRecorder::setOutputFile(int fd) {
259    ALOGV("setOutputFile: %d", fd);
260
261    if (fd < 0) {
262        ALOGE("Invalid file descriptor: %d", fd);
263        return -EBADF;
264    }
265
266    // start with a clean, empty file
267    ftruncate(fd, 0);
268
269    if (mOutputFd >= 0) {
270        ::close(mOutputFd);
271    }
272    mOutputFd = dup(fd);
273
274    return OK;
275}
276
277status_t StagefrightRecorder::setNextOutputFile(int fd) {
278    Mutex::Autolock autolock(mLock);
279    // Only support MPEG4
280    if (mOutputFormat != OUTPUT_FORMAT_MPEG_4) {
281        ALOGE("Only MP4 file format supports setting next output file");
282        return INVALID_OPERATION;
283    }
284    ALOGV("setNextOutputFile: %d", fd);
285
286    if (fd < 0) {
287        ALOGE("Invalid file descriptor: %d", fd);
288        return -EBADF;
289    }
290
291    // start with a clean, empty file
292    ftruncate(fd, 0);
293    int nextFd = dup(fd);
294    if (mWriter == NULL) {
295        ALOGE("setNextOutputFile failed. Writer has been freed");
296        return INVALID_OPERATION;
297    }
298    return mWriter->setNextFd(nextFd);
299}
300
301// Attempt to parse an float literal optionally surrounded by whitespace,
302// returns true on success, false otherwise.
303static bool safe_strtof(const char *s, float *val) {
304    char *end;
305
306    // It is lame, but according to man page, we have to set errno to 0
307    // before calling strtof().
308    errno = 0;
309    *val = strtof(s, &end);
310
311    if (end == s || errno == ERANGE) {
312        return false;
313    }
314
315    // Skip trailing whitespace
316    while (isspace(*end)) {
317        ++end;
318    }
319
320    // For a successful return, the string must contain nothing but a valid
321    // float literal optionally surrounded by whitespace.
322
323    return *end == '\0';
324}
325
326// Attempt to parse an int64 literal optionally surrounded by whitespace,
327// returns true on success, false otherwise.
328static bool safe_strtoi64(const char *s, int64_t *val) {
329    char *end;
330
331    // It is lame, but according to man page, we have to set errno to 0
332    // before calling strtoll().
333    errno = 0;
334    *val = strtoll(s, &end, 10);
335
336    if (end == s || errno == ERANGE) {
337        return false;
338    }
339
340    // Skip trailing whitespace
341    while (isspace(*end)) {
342        ++end;
343    }
344
345    // For a successful return, the string must contain nothing but a valid
346    // int64 literal optionally surrounded by whitespace.
347
348    return *end == '\0';
349}
350
351// Return true if the value is in [0, 0x007FFFFFFF]
352static bool safe_strtoi32(const char *s, int32_t *val) {
353    int64_t temp;
354    if (safe_strtoi64(s, &temp)) {
355        if (temp >= 0 && temp <= 0x007FFFFFFF) {
356            *val = static_cast<int32_t>(temp);
357            return true;
358        }
359    }
360    return false;
361}
362
363// Trim both leading and trailing whitespace from the given string.
364static void TrimString(String8 *s) {
365    size_t num_bytes = s->bytes();
366    const char *data = s->string();
367
368    size_t leading_space = 0;
369    while (leading_space < num_bytes && isspace(data[leading_space])) {
370        ++leading_space;
371    }
372
373    size_t i = num_bytes;
374    while (i > leading_space && isspace(data[i - 1])) {
375        --i;
376    }
377
378    s->setTo(String8(&data[leading_space], i - leading_space));
379}
380
381status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) {
382    ALOGV("setParamAudioSamplingRate: %d", sampleRate);
383    if (sampleRate <= 0) {
384        ALOGE("Invalid audio sampling rate: %d", sampleRate);
385        return BAD_VALUE;
386    }
387
388    // Additional check on the sample rate will be performed later.
389    mSampleRate = sampleRate;
390    return OK;
391}
392
393status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) {
394    ALOGV("setParamAudioNumberOfChannels: %d", channels);
395    if (channels <= 0 || channels >= 3) {
396        ALOGE("Invalid number of audio channels: %d", channels);
397        return BAD_VALUE;
398    }
399
400    // Additional check on the number of channels will be performed later.
401    mAudioChannels = channels;
402    return OK;
403}
404
405status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) {
406    ALOGV("setParamAudioEncodingBitRate: %d", bitRate);
407    if (bitRate <= 0) {
408        ALOGE("Invalid audio encoding bit rate: %d", bitRate);
409        return BAD_VALUE;
410    }
411
412    // The target bit rate may not be exactly the same as the requested.
413    // It depends on many factors, such as rate control, and the bit rate
414    // range that a specific encoder supports. The mismatch between the
415    // the target and requested bit rate will NOT be treated as an error.
416    mAudioBitRate = bitRate;
417    return OK;
418}
419
420status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) {
421    ALOGV("setParamVideoEncodingBitRate: %d", bitRate);
422    if (bitRate <= 0) {
423        ALOGE("Invalid video encoding bit rate: %d", bitRate);
424        return BAD_VALUE;
425    }
426
427    // The target bit rate may not be exactly the same as the requested.
428    // It depends on many factors, such as rate control, and the bit rate
429    // range that a specific encoder supports. The mismatch between the
430    // the target and requested bit rate will NOT be treated as an error.
431    mVideoBitRate = bitRate;
432    return OK;
433}
434
435// Always rotate clockwise, and only support 0, 90, 180 and 270 for now.
436status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) {
437    ALOGV("setParamVideoRotation: %d", degrees);
438    if (degrees < 0 || degrees % 90 != 0) {
439        ALOGE("Unsupported video rotation angle: %d", degrees);
440        return BAD_VALUE;
441    }
442    mRotationDegrees = degrees % 360;
443    return OK;
444}
445
446status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) {
447    ALOGV("setParamMaxFileDurationUs: %lld us", (long long)timeUs);
448
449    // This is meant for backward compatibility for MediaRecorder.java
450    if (timeUs <= 0) {
451        ALOGW("Max file duration is not positive: %lld us. Disabling duration limit.",
452                (long long)timeUs);
453        timeUs = 0; // Disable the duration limit for zero or negative values.
454    } else if (timeUs <= 100000LL) {  // XXX: 100 milli-seconds
455        ALOGE("Max file duration is too short: %lld us", (long long)timeUs);
456        return BAD_VALUE;
457    }
458
459    if (timeUs <= 15 * 1000000LL) {
460        ALOGW("Target duration (%lld us) too short to be respected", (long long)timeUs);
461    }
462    mMaxFileDurationUs = timeUs;
463    return OK;
464}
465
466status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
467    ALOGV("setParamMaxFileSizeBytes: %lld bytes", (long long)bytes);
468
469    // This is meant for backward compatibility for MediaRecorder.java
470    if (bytes <= 0) {
471        ALOGW("Max file size is not positive: %lld bytes. "
472             "Disabling file size limit.", (long long)bytes);
473        bytes = 0; // Disable the file size limit for zero or negative values.
474    } else if (bytes <= 1024) {  // XXX: 1 kB
475        ALOGE("Max file size is too small: %lld bytes", (long long)bytes);
476        return BAD_VALUE;
477    }
478
479    if (bytes <= 100 * 1024) {
480        ALOGW("Target file size (%lld bytes) is too small to be respected", (long long)bytes);
481    }
482
483    mMaxFileSizeBytes = bytes;
484    return OK;
485}
486
487status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) {
488    ALOGV("setParamInterleaveDuration: %d", durationUs);
489    if (durationUs <= 500000) {           //  500 ms
490        // If interleave duration is too small, it is very inefficient to do
491        // interleaving since the metadata overhead will count for a significant
492        // portion of the saved contents
493        ALOGE("Audio/video interleave duration is too small: %d us", durationUs);
494        return BAD_VALUE;
495    } else if (durationUs >= 10000000) {  // 10 seconds
496        // If interleaving duration is too large, it can cause the recording
497        // session to use too much memory since we have to save the output
498        // data before we write them out
499        ALOGE("Audio/video interleave duration is too large: %d us", durationUs);
500        return BAD_VALUE;
501    }
502    mInterleaveDurationUs = durationUs;
503    return OK;
504}
505
506// If seconds <  0, only the first frame is I frame, and rest are all P frames
507// If seconds == 0, all frames are encoded as I frames. No P frames
508// If seconds >  0, it is the time spacing (seconds) between 2 neighboring I frames
509status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) {
510    ALOGV("setParamVideoIFramesInterval: %d seconds", seconds);
511    mIFramesIntervalSec = seconds;
512    return OK;
513}
514
515status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) {
516    ALOGV("setParam64BitFileOffset: %s",
517        use64Bit? "use 64 bit file offset": "use 32 bit file offset");
518    mUse64BitFileOffset = use64Bit;
519    return OK;
520}
521
522status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) {
523    ALOGV("setParamVideoCameraId: %d", cameraId);
524    if (cameraId < 0) {
525        return BAD_VALUE;
526    }
527    mCameraId = cameraId;
528    return OK;
529}
530
531status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) {
532    ALOGV("setParamTrackTimeStatus: %lld", (long long)timeDurationUs);
533    if (timeDurationUs < 20000) {  // Infeasible if shorter than 20 ms?
534        ALOGE("Tracking time duration too short: %lld us", (long long)timeDurationUs);
535        return BAD_VALUE;
536    }
537    mTrackEveryTimeDurationUs = timeDurationUs;
538    return OK;
539}
540
541status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) {
542    ALOGV("setParamVideoEncoderProfile: %d", profile);
543
544    // Additional check will be done later when we load the encoder.
545    // For now, we are accepting values defined in OpenMAX IL.
546    mVideoEncoderProfile = profile;
547    return OK;
548}
549
550status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) {
551    ALOGV("setParamVideoEncoderLevel: %d", level);
552
553    // Additional check will be done later when we load the encoder.
554    // For now, we are accepting values defined in OpenMAX IL.
555    mVideoEncoderLevel = level;
556    return OK;
557}
558
559status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) {
560    ALOGV("setParamMovieTimeScale: %d", timeScale);
561
562    // The range is set to be the same as the audio's time scale range
563    // since audio's time scale has a wider range.
564    if (timeScale < 600 || timeScale > 96000) {
565        ALOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale);
566        return BAD_VALUE;
567    }
568    mMovieTimeScale = timeScale;
569    return OK;
570}
571
572status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) {
573    ALOGV("setParamVideoTimeScale: %d", timeScale);
574
575    // 60000 is chosen to make sure that each video frame from a 60-fps
576    // video has 1000 ticks.
577    if (timeScale < 600 || timeScale > 60000) {
578        ALOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale);
579        return BAD_VALUE;
580    }
581    mVideoTimeScale = timeScale;
582    return OK;
583}
584
585status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) {
586    ALOGV("setParamAudioTimeScale: %d", timeScale);
587
588    // 96000 Hz is the highest sampling rate support in AAC.
589    if (timeScale < 600 || timeScale > 96000) {
590        ALOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale);
591        return BAD_VALUE;
592    }
593    mAudioTimeScale = timeScale;
594    return OK;
595}
596
597status_t StagefrightRecorder::setParamCaptureFpsEnable(int32_t captureFpsEnable) {
598    ALOGV("setParamCaptureFpsEnable: %d", captureFpsEnable);
599
600    if(captureFpsEnable == 0) {
601        mCaptureFpsEnable = false;
602    } else if (captureFpsEnable == 1) {
603        mCaptureFpsEnable = true;
604    } else {
605        return BAD_VALUE;
606    }
607    return OK;
608}
609
610status_t StagefrightRecorder::setParamCaptureFps(float fps) {
611    ALOGV("setParamCaptureFps: %.2f", fps);
612
613    int64_t timeUs = (int64_t) (1000000.0 / fps + 0.5f);
614
615    // Not allowing time more than a day
616    if (timeUs <= 0 || timeUs > 86400*1E6) {
617        ALOGE("Time between frame capture (%lld) is out of range [0, 1 Day]", (long long)timeUs);
618        return BAD_VALUE;
619    }
620
621    mCaptureFps = fps;
622    mTimeBetweenCaptureUs = timeUs;
623    return OK;
624}
625
626status_t StagefrightRecorder::setParamGeoDataLongitude(
627    int64_t longitudex10000) {
628
629    if (longitudex10000 > 1800000 || longitudex10000 < -1800000) {
630        return BAD_VALUE;
631    }
632    mLongitudex10000 = longitudex10000;
633    return OK;
634}
635
636status_t StagefrightRecorder::setParamGeoDataLatitude(
637    int64_t latitudex10000) {
638
639    if (latitudex10000 > 900000 || latitudex10000 < -900000) {
640        return BAD_VALUE;
641    }
642    mLatitudex10000 = latitudex10000;
643    return OK;
644}
645
646status_t StagefrightRecorder::setParameter(
647        const String8 &key, const String8 &value) {
648    ALOGV("setParameter: key (%s) => value (%s)", key.string(), value.string());
649    if (key == "max-duration") {
650        int64_t max_duration_ms;
651        if (safe_strtoi64(value.string(), &max_duration_ms)) {
652            return setParamMaxFileDurationUs(1000LL * max_duration_ms);
653        }
654    } else if (key == "max-filesize") {
655        int64_t max_filesize_bytes;
656        if (safe_strtoi64(value.string(), &max_filesize_bytes)) {
657            return setParamMaxFileSizeBytes(max_filesize_bytes);
658        }
659    } else if (key == "interleave-duration-us") {
660        int32_t durationUs;
661        if (safe_strtoi32(value.string(), &durationUs)) {
662            return setParamInterleaveDuration(durationUs);
663        }
664    } else if (key == "param-movie-time-scale") {
665        int32_t timeScale;
666        if (safe_strtoi32(value.string(), &timeScale)) {
667            return setParamMovieTimeScale(timeScale);
668        }
669    } else if (key == "param-use-64bit-offset") {
670        int32_t use64BitOffset;
671        if (safe_strtoi32(value.string(), &use64BitOffset)) {
672            return setParam64BitFileOffset(use64BitOffset != 0);
673        }
674    } else if (key == "param-geotag-longitude") {
675        int64_t longitudex10000;
676        if (safe_strtoi64(value.string(), &longitudex10000)) {
677            return setParamGeoDataLongitude(longitudex10000);
678        }
679    } else if (key == "param-geotag-latitude") {
680        int64_t latitudex10000;
681        if (safe_strtoi64(value.string(), &latitudex10000)) {
682            return setParamGeoDataLatitude(latitudex10000);
683        }
684    } else if (key == "param-track-time-status") {
685        int64_t timeDurationUs;
686        if (safe_strtoi64(value.string(), &timeDurationUs)) {
687            return setParamTrackTimeStatus(timeDurationUs);
688        }
689    } else if (key == "audio-param-sampling-rate") {
690        int32_t sampling_rate;
691        if (safe_strtoi32(value.string(), &sampling_rate)) {
692            return setParamAudioSamplingRate(sampling_rate);
693        }
694    } else if (key == "audio-param-number-of-channels") {
695        int32_t number_of_channels;
696        if (safe_strtoi32(value.string(), &number_of_channels)) {
697            return setParamAudioNumberOfChannels(number_of_channels);
698        }
699    } else if (key == "audio-param-encoding-bitrate") {
700        int32_t audio_bitrate;
701        if (safe_strtoi32(value.string(), &audio_bitrate)) {
702            return setParamAudioEncodingBitRate(audio_bitrate);
703        }
704    } else if (key == "audio-param-time-scale") {
705        int32_t timeScale;
706        if (safe_strtoi32(value.string(), &timeScale)) {
707            return setParamAudioTimeScale(timeScale);
708        }
709    } else if (key == "video-param-encoding-bitrate") {
710        int32_t video_bitrate;
711        if (safe_strtoi32(value.string(), &video_bitrate)) {
712            return setParamVideoEncodingBitRate(video_bitrate);
713        }
714    } else if (key == "video-param-rotation-angle-degrees") {
715        int32_t degrees;
716        if (safe_strtoi32(value.string(), &degrees)) {
717            return setParamVideoRotation(degrees);
718        }
719    } else if (key == "video-param-i-frames-interval") {
720        int32_t seconds;
721        if (safe_strtoi32(value.string(), &seconds)) {
722            return setParamVideoIFramesInterval(seconds);
723        }
724    } else if (key == "video-param-encoder-profile") {
725        int32_t profile;
726        if (safe_strtoi32(value.string(), &profile)) {
727            return setParamVideoEncoderProfile(profile);
728        }
729    } else if (key == "video-param-encoder-level") {
730        int32_t level;
731        if (safe_strtoi32(value.string(), &level)) {
732            return setParamVideoEncoderLevel(level);
733        }
734    } else if (key == "video-param-camera-id") {
735        int32_t cameraId;
736        if (safe_strtoi32(value.string(), &cameraId)) {
737            return setParamVideoCameraId(cameraId);
738        }
739    } else if (key == "video-param-time-scale") {
740        int32_t timeScale;
741        if (safe_strtoi32(value.string(), &timeScale)) {
742            return setParamVideoTimeScale(timeScale);
743        }
744    } else if (key == "time-lapse-enable") {
745        int32_t captureFpsEnable;
746        if (safe_strtoi32(value.string(), &captureFpsEnable)) {
747            return setParamCaptureFpsEnable(captureFpsEnable);
748        }
749    } else if (key == "time-lapse-fps") {
750        float fps;
751        if (safe_strtof(value.string(), &fps)) {
752            return setParamCaptureFps(fps);
753        }
754    } else {
755        ALOGE("setParameter: failed to find key %s", key.string());
756    }
757    return BAD_VALUE;
758}
759
760status_t StagefrightRecorder::setParameters(const String8 &params) {
761    ALOGV("setParameters: %s", params.string());
762    const char *cparams = params.string();
763    const char *key_start = cparams;
764    for (;;) {
765        const char *equal_pos = strchr(key_start, '=');
766        if (equal_pos == NULL) {
767            ALOGE("Parameters %s miss a value", cparams);
768            return BAD_VALUE;
769        }
770        String8 key(key_start, equal_pos - key_start);
771        TrimString(&key);
772        if (key.length() == 0) {
773            ALOGE("Parameters %s contains an empty key", cparams);
774            return BAD_VALUE;
775        }
776        const char *value_start = equal_pos + 1;
777        const char *semicolon_pos = strchr(value_start, ';');
778        String8 value;
779        if (semicolon_pos == NULL) {
780            value.setTo(value_start);
781        } else {
782            value.setTo(value_start, semicolon_pos - value_start);
783        }
784        if (setParameter(key, value) != OK) {
785            return BAD_VALUE;
786        }
787        if (semicolon_pos == NULL) {
788            break;  // Reaches the end
789        }
790        key_start = semicolon_pos + 1;
791    }
792    return OK;
793}
794
795status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) {
796    mListener = listener;
797
798    return OK;
799}
800
801status_t StagefrightRecorder::setClientName(const String16& clientName) {
802    mClientName = clientName;
803
804    return OK;
805}
806
807status_t StagefrightRecorder::prepareInternal() {
808    ALOGV("prepare");
809    if (mOutputFd < 0) {
810        ALOGE("Output file descriptor is invalid");
811        return INVALID_OPERATION;
812    }
813
814    // Get UID and PID here for permission checking
815    mClientUid = IPCThreadState::self()->getCallingUid();
816    mClientPid = IPCThreadState::self()->getCallingPid();
817
818    status_t status = OK;
819
820    switch (mOutputFormat) {
821        case OUTPUT_FORMAT_DEFAULT:
822        case OUTPUT_FORMAT_THREE_GPP:
823        case OUTPUT_FORMAT_MPEG_4:
824        case OUTPUT_FORMAT_WEBM:
825            status = setupMPEG4orWEBMRecording();
826            break;
827
828        case OUTPUT_FORMAT_AMR_NB:
829        case OUTPUT_FORMAT_AMR_WB:
830            status = setupAMRRecording();
831            break;
832
833        case OUTPUT_FORMAT_AAC_ADIF:
834        case OUTPUT_FORMAT_AAC_ADTS:
835            status = setupAACRecording();
836            break;
837
838        case OUTPUT_FORMAT_RTP_AVP:
839            status = setupRTPRecording();
840            break;
841
842        case OUTPUT_FORMAT_MPEG2TS:
843            status = setupMPEG2TSRecording();
844            break;
845
846        default:
847            ALOGE("Unsupported output file format: %d", mOutputFormat);
848            status = UNKNOWN_ERROR;
849            break;
850    }
851
852    ALOGV("Recording frameRate: %d captureFps: %f",
853            mFrameRate, mCaptureFps);
854
855    return status;
856}
857
858status_t StagefrightRecorder::prepare() {
859    ALOGV("prepare");
860    Mutex::Autolock autolock(mLock);
861    if (mVideoSource == VIDEO_SOURCE_SURFACE) {
862        return prepareInternal();
863    }
864    return OK;
865}
866
867status_t StagefrightRecorder::start() {
868    ALOGV("start");
869    Mutex::Autolock autolock(mLock);
870    if (mOutputFd < 0) {
871        ALOGE("Output file descriptor is invalid");
872        return INVALID_OPERATION;
873    }
874
875    status_t status = OK;
876
877    if (mVideoSource != VIDEO_SOURCE_SURFACE) {
878        status = prepareInternal();
879        if (status != OK) {
880            return status;
881        }
882    }
883
884    if (mWriter == NULL) {
885        ALOGE("File writer is not avaialble");
886        return UNKNOWN_ERROR;
887    }
888
889    switch (mOutputFormat) {
890        case OUTPUT_FORMAT_DEFAULT:
891        case OUTPUT_FORMAT_THREE_GPP:
892        case OUTPUT_FORMAT_MPEG_4:
893        case OUTPUT_FORMAT_WEBM:
894        {
895            bool isMPEG4 = true;
896            if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
897                isMPEG4 = false;
898            }
899            sp<MetaData> meta = new MetaData;
900            setupMPEG4orWEBMMetaData(&meta);
901            status = mWriter->start(meta.get());
902            break;
903        }
904
905        case OUTPUT_FORMAT_AMR_NB:
906        case OUTPUT_FORMAT_AMR_WB:
907        case OUTPUT_FORMAT_AAC_ADIF:
908        case OUTPUT_FORMAT_AAC_ADTS:
909        case OUTPUT_FORMAT_RTP_AVP:
910        case OUTPUT_FORMAT_MPEG2TS:
911        {
912            sp<MetaData> meta = new MetaData;
913            int64_t startTimeUs = systemTime() / 1000;
914            meta->setInt64(kKeyTime, startTimeUs);
915            status = mWriter->start(meta.get());
916            break;
917        }
918
919        default:
920        {
921            ALOGE("Unsupported output file format: %d", mOutputFormat);
922            status = UNKNOWN_ERROR;
923            break;
924        }
925    }
926
927    if (status != OK) {
928        mWriter.clear();
929        mWriter = NULL;
930    }
931
932    if ((status == OK) && (!mStarted)) {
933        mStarted = true;
934
935        uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted;
936        if (mAudioSource != AUDIO_SOURCE_CNT) {
937            params |= IMediaPlayerService::kBatteryDataTrackAudio;
938        }
939        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
940            params |= IMediaPlayerService::kBatteryDataTrackVideo;
941        }
942
943        addBatteryData(params);
944    }
945
946    return status;
947}
948
949sp<MediaCodecSource> StagefrightRecorder::createAudioSource() {
950    int32_t sourceSampleRate = mSampleRate;
951
952    if (mCaptureFpsEnable && mCaptureFps >= mFrameRate) {
953        // Upscale the sample rate for slow motion recording.
954        // Fail audio source creation if source sample rate is too high, as it could
955        // cause out-of-memory due to large input buffer size. And audio recording
956        // probably doesn't make sense in the scenario, since the slow-down factor
957        // is probably huge (eg. mSampleRate=48K, mCaptureFps=240, mFrameRate=1).
958        const static int32_t SAMPLE_RATE_HZ_MAX = 192000;
959        sourceSampleRate =
960                (mSampleRate * mCaptureFps + mFrameRate / 2) / mFrameRate;
961        if (sourceSampleRate < mSampleRate || sourceSampleRate > SAMPLE_RATE_HZ_MAX) {
962            ALOGE("source sample rate out of range! "
963                    "(mSampleRate %d, mCaptureFps %.2f, mFrameRate %d",
964                    mSampleRate, mCaptureFps, mFrameRate);
965            return NULL;
966        }
967    }
968
969    sp<AudioSource> audioSource =
970        new AudioSource(
971                mAudioSource,
972                mOpPackageName,
973                sourceSampleRate,
974                mAudioChannels,
975                mSampleRate,
976                mClientUid,
977                mClientPid);
978
979    status_t err = audioSource->initCheck();
980
981    if (err != OK) {
982        ALOGE("audio source is not initialized");
983        return NULL;
984    }
985
986    sp<AMessage> format = new AMessage;
987    switch (mAudioEncoder) {
988        case AUDIO_ENCODER_AMR_NB:
989        case AUDIO_ENCODER_DEFAULT:
990            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
991            break;
992        case AUDIO_ENCODER_AMR_WB:
993            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
994            break;
995        case AUDIO_ENCODER_AAC:
996            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
997            format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC);
998            break;
999        case AUDIO_ENCODER_HE_AAC:
1000            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
1001            format->setInt32("aac-profile", OMX_AUDIO_AACObjectHE);
1002            break;
1003        case AUDIO_ENCODER_AAC_ELD:
1004            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
1005            format->setInt32("aac-profile", OMX_AUDIO_AACObjectELD);
1006            break;
1007
1008        default:
1009            ALOGE("Unknown audio encoder: %d", mAudioEncoder);
1010            return NULL;
1011    }
1012
1013    int32_t maxInputSize;
1014    CHECK(audioSource->getFormat()->findInt32(
1015                kKeyMaxInputSize, &maxInputSize));
1016
1017    format->setInt32("max-input-size", maxInputSize);
1018    format->setInt32("channel-count", mAudioChannels);
1019    format->setInt32("sample-rate", mSampleRate);
1020    format->setInt32("bitrate", mAudioBitRate);
1021    if (mAudioTimeScale > 0) {
1022        format->setInt32("time-scale", mAudioTimeScale);
1023    }
1024    format->setInt32("priority", 0 /* realtime */);
1025
1026    sp<MediaCodecSource> audioEncoder =
1027            MediaCodecSource::Create(mLooper, format, audioSource);
1028    mAudioSourceNode = audioSource;
1029
1030    if (audioEncoder == NULL) {
1031        ALOGE("Failed to create audio encoder");
1032    }
1033
1034    return audioEncoder;
1035}
1036
1037status_t StagefrightRecorder::setupAACRecording() {
1038    // FIXME:
1039    // Add support for OUTPUT_FORMAT_AAC_ADIF
1040    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_AAC_ADTS);
1041
1042    CHECK(mAudioEncoder == AUDIO_ENCODER_AAC ||
1043          mAudioEncoder == AUDIO_ENCODER_HE_AAC ||
1044          mAudioEncoder == AUDIO_ENCODER_AAC_ELD);
1045    CHECK(mAudioSource != AUDIO_SOURCE_CNT);
1046
1047    mWriter = new AACWriter(mOutputFd);
1048    return setupRawAudioRecording();
1049}
1050
1051status_t StagefrightRecorder::setupAMRRecording() {
1052    CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
1053          mOutputFormat == OUTPUT_FORMAT_AMR_WB);
1054
1055    if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) {
1056        if (mAudioEncoder != AUDIO_ENCODER_DEFAULT &&
1057            mAudioEncoder != AUDIO_ENCODER_AMR_NB) {
1058            ALOGE("Invalid encoder %d used for AMRNB recording",
1059                    mAudioEncoder);
1060            return BAD_VALUE;
1061        }
1062    } else {  // mOutputFormat must be OUTPUT_FORMAT_AMR_WB
1063        if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) {
1064            ALOGE("Invlaid encoder %d used for AMRWB recording",
1065                    mAudioEncoder);
1066            return BAD_VALUE;
1067        }
1068    }
1069
1070    mWriter = new AMRWriter(mOutputFd);
1071    return setupRawAudioRecording();
1072}
1073
1074status_t StagefrightRecorder::setupRawAudioRecording() {
1075    if (mAudioSource >= AUDIO_SOURCE_CNT && mAudioSource != AUDIO_SOURCE_FM_TUNER) {
1076        ALOGE("Invalid audio source: %d", mAudioSource);
1077        return BAD_VALUE;
1078    }
1079
1080    status_t status = BAD_VALUE;
1081    if (OK != (status = checkAudioEncoderCapabilities())) {
1082        return status;
1083    }
1084
1085    sp<MediaCodecSource> audioEncoder = createAudioSource();
1086    if (audioEncoder == NULL) {
1087        return UNKNOWN_ERROR;
1088    }
1089
1090    CHECK(mWriter != 0);
1091    mWriter->addSource(audioEncoder);
1092    mAudioEncoderSource = audioEncoder;
1093
1094    if (mMaxFileDurationUs != 0) {
1095        mWriter->setMaxFileDuration(mMaxFileDurationUs);
1096    }
1097    if (mMaxFileSizeBytes != 0) {
1098        mWriter->setMaxFileSize(mMaxFileSizeBytes);
1099    }
1100    mWriter->setListener(mListener);
1101
1102    return OK;
1103}
1104
1105status_t StagefrightRecorder::setupRTPRecording() {
1106    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
1107
1108    if ((mAudioSource != AUDIO_SOURCE_CNT
1109                && mVideoSource != VIDEO_SOURCE_LIST_END)
1110            || (mAudioSource == AUDIO_SOURCE_CNT
1111                && mVideoSource == VIDEO_SOURCE_LIST_END)) {
1112        // Must have exactly one source.
1113        return BAD_VALUE;
1114    }
1115
1116    if (mOutputFd < 0) {
1117        return BAD_VALUE;
1118    }
1119
1120    sp<MediaCodecSource> source;
1121
1122    if (mAudioSource != AUDIO_SOURCE_CNT) {
1123        source = createAudioSource();
1124        mAudioEncoderSource = source;
1125    } else {
1126        setDefaultVideoEncoderIfNecessary();
1127
1128        sp<MediaSource> mediaSource;
1129        status_t err = setupMediaSource(&mediaSource);
1130        if (err != OK) {
1131            return err;
1132        }
1133
1134        err = setupVideoEncoder(mediaSource, &source);
1135        if (err != OK) {
1136            return err;
1137        }
1138        mVideoEncoderSource = source;
1139    }
1140
1141    mWriter = new ARTPWriter(mOutputFd);
1142    mWriter->addSource(source);
1143    mWriter->setListener(mListener);
1144
1145    return OK;
1146}
1147
1148status_t StagefrightRecorder::setupMPEG2TSRecording() {
1149    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
1150
1151    sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd);
1152
1153    if (mAudioSource != AUDIO_SOURCE_CNT) {
1154        if (mAudioEncoder != AUDIO_ENCODER_AAC &&
1155            mAudioEncoder != AUDIO_ENCODER_HE_AAC &&
1156            mAudioEncoder != AUDIO_ENCODER_AAC_ELD) {
1157            return ERROR_UNSUPPORTED;
1158        }
1159
1160        status_t err = setupAudioEncoder(writer);
1161
1162        if (err != OK) {
1163            return err;
1164        }
1165    }
1166
1167    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1168        if (mVideoEncoder != VIDEO_ENCODER_H264) {
1169            ALOGE("MPEG2TS recording only supports H.264 encoding!");
1170            return ERROR_UNSUPPORTED;
1171        }
1172
1173        sp<MediaSource> mediaSource;
1174        status_t err = setupMediaSource(&mediaSource);
1175        if (err != OK) {
1176            return err;
1177        }
1178
1179        sp<MediaCodecSource> encoder;
1180        err = setupVideoEncoder(mediaSource, &encoder);
1181
1182        if (err != OK) {
1183            return err;
1184        }
1185
1186        writer->addSource(encoder);
1187        mVideoEncoderSource = encoder;
1188    }
1189
1190    if (mMaxFileDurationUs != 0) {
1191        writer->setMaxFileDuration(mMaxFileDurationUs);
1192    }
1193
1194    if (mMaxFileSizeBytes != 0) {
1195        writer->setMaxFileSize(mMaxFileSizeBytes);
1196    }
1197
1198    mWriter = writer;
1199
1200    return OK;
1201}
1202
1203void StagefrightRecorder::clipVideoFrameRate() {
1204    ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
1205    if (mFrameRate == -1) {
1206        mFrameRate = mEncoderProfiles->getCamcorderProfileParamByName(
1207                "vid.fps", mCameraId, CAMCORDER_QUALITY_LOW);
1208        ALOGW("Using default video fps %d", mFrameRate);
1209    }
1210
1211    int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1212                        "enc.vid.fps.min", mVideoEncoder);
1213    int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1214                        "enc.vid.fps.max", mVideoEncoder);
1215    if (mFrameRate < minFrameRate && minFrameRate != -1) {
1216        ALOGW("Intended video encoding frame rate (%d fps) is too small"
1217             " and will be set to (%d fps)", mFrameRate, minFrameRate);
1218        mFrameRate = minFrameRate;
1219    } else if (mFrameRate > maxFrameRate && maxFrameRate != -1) {
1220        ALOGW("Intended video encoding frame rate (%d fps) is too large"
1221             " and will be set to (%d fps)", mFrameRate, maxFrameRate);
1222        mFrameRate = maxFrameRate;
1223    }
1224}
1225
1226void StagefrightRecorder::clipVideoBitRate() {
1227    ALOGV("clipVideoBitRate: encoder %d", mVideoEncoder);
1228    int minBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1229                        "enc.vid.bps.min", mVideoEncoder);
1230    int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1231                        "enc.vid.bps.max", mVideoEncoder);
1232    if (mVideoBitRate < minBitRate && minBitRate != -1) {
1233        ALOGW("Intended video encoding bit rate (%d bps) is too small"
1234             " and will be set to (%d bps)", mVideoBitRate, minBitRate);
1235        mVideoBitRate = minBitRate;
1236    } else if (mVideoBitRate > maxBitRate && maxBitRate != -1) {
1237        ALOGW("Intended video encoding bit rate (%d bps) is too large"
1238             " and will be set to (%d bps)", mVideoBitRate, maxBitRate);
1239        mVideoBitRate = maxBitRate;
1240    }
1241}
1242
1243void StagefrightRecorder::clipVideoFrameWidth() {
1244    ALOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder);
1245    int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1246                        "enc.vid.width.min", mVideoEncoder);
1247    int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1248                        "enc.vid.width.max", mVideoEncoder);
1249    if (mVideoWidth < minFrameWidth && minFrameWidth != -1) {
1250        ALOGW("Intended video encoding frame width (%d) is too small"
1251             " and will be set to (%d)", mVideoWidth, minFrameWidth);
1252        mVideoWidth = minFrameWidth;
1253    } else if (mVideoWidth > maxFrameWidth && maxFrameWidth != -1) {
1254        ALOGW("Intended video encoding frame width (%d) is too large"
1255             " and will be set to (%d)", mVideoWidth, maxFrameWidth);
1256        mVideoWidth = maxFrameWidth;
1257    }
1258}
1259
1260status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
1261    if (!mCaptureFpsEnable) {
1262        // Dont clip for time lapse capture as encoder will have enough
1263        // time to encode because of slow capture rate of time lapse.
1264        clipVideoBitRate();
1265        clipVideoFrameRate();
1266        clipVideoFrameWidth();
1267        clipVideoFrameHeight();
1268        setDefaultProfileIfNecessary();
1269    }
1270    return OK;
1271}
1272
1273// Set to use AVC baseline profile if the encoding parameters matches
1274// CAMCORDER_QUALITY_LOW profile; this is for the sake of MMS service.
1275void StagefrightRecorder::setDefaultProfileIfNecessary() {
1276    ALOGV("setDefaultProfileIfNecessary");
1277
1278    camcorder_quality quality = CAMCORDER_QUALITY_LOW;
1279
1280    int64_t durationUs   = mEncoderProfiles->getCamcorderProfileParamByName(
1281                                "duration", mCameraId, quality) * 1000000LL;
1282
1283    int fileFormat       = mEncoderProfiles->getCamcorderProfileParamByName(
1284                                "file.format", mCameraId, quality);
1285
1286    int videoCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1287                                "vid.codec", mCameraId, quality);
1288
1289    int videoBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1290                                "vid.bps", mCameraId, quality);
1291
1292    int videoFrameRate   = mEncoderProfiles->getCamcorderProfileParamByName(
1293                                "vid.fps", mCameraId, quality);
1294
1295    int videoFrameWidth  = mEncoderProfiles->getCamcorderProfileParamByName(
1296                                "vid.width", mCameraId, quality);
1297
1298    int videoFrameHeight = mEncoderProfiles->getCamcorderProfileParamByName(
1299                                "vid.height", mCameraId, quality);
1300
1301    int audioCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1302                                "aud.codec", mCameraId, quality);
1303
1304    int audioBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1305                                "aud.bps", mCameraId, quality);
1306
1307    int audioSampleRate  = mEncoderProfiles->getCamcorderProfileParamByName(
1308                                "aud.hz", mCameraId, quality);
1309
1310    int audioChannels    = mEncoderProfiles->getCamcorderProfileParamByName(
1311                                "aud.ch", mCameraId, quality);
1312
1313    if (durationUs == mMaxFileDurationUs &&
1314        fileFormat == mOutputFormat &&
1315        videoCodec == mVideoEncoder &&
1316        videoBitRate == mVideoBitRate &&
1317        videoFrameRate == mFrameRate &&
1318        videoFrameWidth == mVideoWidth &&
1319        videoFrameHeight == mVideoHeight &&
1320        audioCodec == mAudioEncoder &&
1321        audioBitRate == mAudioBitRate &&
1322        audioSampleRate == mSampleRate &&
1323        audioChannels == mAudioChannels) {
1324        if (videoCodec == VIDEO_ENCODER_H264) {
1325            ALOGI("Force to use AVC baseline profile");
1326            setParamVideoEncoderProfile(OMX_VIDEO_AVCProfileBaseline);
1327            // set 0 for invalid levels - this will be rejected by the
1328            // codec if it cannot handle it during configure
1329            setParamVideoEncoderLevel(ACodec::getAVCLevelFor(
1330                    videoFrameWidth, videoFrameHeight, videoFrameRate, videoBitRate));
1331        }
1332    }
1333}
1334
1335void StagefrightRecorder::setDefaultVideoEncoderIfNecessary() {
1336    if (mVideoEncoder == VIDEO_ENCODER_DEFAULT) {
1337        if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1338            // default to VP8 for WEBM recording
1339            mVideoEncoder = VIDEO_ENCODER_VP8;
1340        } else {
1341            // pick the default encoder for CAMCORDER_QUALITY_LOW
1342            int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName(
1343                    "vid.codec", mCameraId, CAMCORDER_QUALITY_LOW);
1344
1345            if (videoCodec > VIDEO_ENCODER_DEFAULT &&
1346                videoCodec < VIDEO_ENCODER_LIST_END) {
1347                mVideoEncoder = (video_encoder)videoCodec;
1348            } else {
1349                // default to H.264 if camcorder profile not available
1350                mVideoEncoder = VIDEO_ENCODER_H264;
1351            }
1352        }
1353    }
1354}
1355
1356status_t StagefrightRecorder::checkAudioEncoderCapabilities() {
1357    clipAudioBitRate();
1358    clipAudioSampleRate();
1359    clipNumberOfAudioChannels();
1360    return OK;
1361}
1362
1363void StagefrightRecorder::clipAudioBitRate() {
1364    ALOGV("clipAudioBitRate: encoder %d", mAudioEncoder);
1365
1366    int minAudioBitRate =
1367            mEncoderProfiles->getAudioEncoderParamByName(
1368                "enc.aud.bps.min", mAudioEncoder);
1369    if (minAudioBitRate != -1 && mAudioBitRate < minAudioBitRate) {
1370        ALOGW("Intended audio encoding bit rate (%d) is too small"
1371            " and will be set to (%d)", mAudioBitRate, minAudioBitRate);
1372        mAudioBitRate = minAudioBitRate;
1373    }
1374
1375    int maxAudioBitRate =
1376            mEncoderProfiles->getAudioEncoderParamByName(
1377                "enc.aud.bps.max", mAudioEncoder);
1378    if (maxAudioBitRate != -1 && mAudioBitRate > maxAudioBitRate) {
1379        ALOGW("Intended audio encoding bit rate (%d) is too large"
1380            " and will be set to (%d)", mAudioBitRate, maxAudioBitRate);
1381        mAudioBitRate = maxAudioBitRate;
1382    }
1383}
1384
1385void StagefrightRecorder::clipAudioSampleRate() {
1386    ALOGV("clipAudioSampleRate: encoder %d", mAudioEncoder);
1387
1388    int minSampleRate =
1389            mEncoderProfiles->getAudioEncoderParamByName(
1390                "enc.aud.hz.min", mAudioEncoder);
1391    if (minSampleRate != -1 && mSampleRate < minSampleRate) {
1392        ALOGW("Intended audio sample rate (%d) is too small"
1393            " and will be set to (%d)", mSampleRate, minSampleRate);
1394        mSampleRate = minSampleRate;
1395    }
1396
1397    int maxSampleRate =
1398            mEncoderProfiles->getAudioEncoderParamByName(
1399                "enc.aud.hz.max", mAudioEncoder);
1400    if (maxSampleRate != -1 && mSampleRate > maxSampleRate) {
1401        ALOGW("Intended audio sample rate (%d) is too large"
1402            " and will be set to (%d)", mSampleRate, maxSampleRate);
1403        mSampleRate = maxSampleRate;
1404    }
1405}
1406
1407void StagefrightRecorder::clipNumberOfAudioChannels() {
1408    ALOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder);
1409
1410    int minChannels =
1411            mEncoderProfiles->getAudioEncoderParamByName(
1412                "enc.aud.ch.min", mAudioEncoder);
1413    if (minChannels != -1 && mAudioChannels < minChannels) {
1414        ALOGW("Intended number of audio channels (%d) is too small"
1415            " and will be set to (%d)", mAudioChannels, minChannels);
1416        mAudioChannels = minChannels;
1417    }
1418
1419    int maxChannels =
1420            mEncoderProfiles->getAudioEncoderParamByName(
1421                "enc.aud.ch.max", mAudioEncoder);
1422    if (maxChannels != -1 && mAudioChannels > maxChannels) {
1423        ALOGW("Intended number of audio channels (%d) is too large"
1424            " and will be set to (%d)", mAudioChannels, maxChannels);
1425        mAudioChannels = maxChannels;
1426    }
1427}
1428
1429void StagefrightRecorder::clipVideoFrameHeight() {
1430    ALOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder);
1431    int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1432                        "enc.vid.height.min", mVideoEncoder);
1433    int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1434                        "enc.vid.height.max", mVideoEncoder);
1435    if (minFrameHeight != -1 && mVideoHeight < minFrameHeight) {
1436        ALOGW("Intended video encoding frame height (%d) is too small"
1437             " and will be set to (%d)", mVideoHeight, minFrameHeight);
1438        mVideoHeight = minFrameHeight;
1439    } else if (maxFrameHeight != -1 && mVideoHeight > maxFrameHeight) {
1440        ALOGW("Intended video encoding frame height (%d) is too large"
1441             " and will be set to (%d)", mVideoHeight, maxFrameHeight);
1442        mVideoHeight = maxFrameHeight;
1443    }
1444}
1445
1446// Set up the appropriate MediaSource depending on the chosen option
1447status_t StagefrightRecorder::setupMediaSource(
1448                      sp<MediaSource> *mediaSource) {
1449    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1450            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1451        sp<CameraSource> cameraSource;
1452        status_t err = setupCameraSource(&cameraSource);
1453        if (err != OK) {
1454            return err;
1455        }
1456        *mediaSource = cameraSource;
1457    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1458        *mediaSource = NULL;
1459    } else {
1460        return INVALID_OPERATION;
1461    }
1462    return OK;
1463}
1464
1465status_t StagefrightRecorder::setupCameraSource(
1466        sp<CameraSource> *cameraSource) {
1467    status_t err = OK;
1468    if ((err = checkVideoEncoderCapabilities()) != OK) {
1469        return err;
1470    }
1471    Size videoSize;
1472    videoSize.width = mVideoWidth;
1473    videoSize.height = mVideoHeight;
1474    if (mCaptureFpsEnable) {
1475        if (mTimeBetweenCaptureUs < 0) {
1476            ALOGE("Invalid mTimeBetweenTimeLapseFrameCaptureUs value: %lld",
1477                    (long long)mTimeBetweenCaptureUs);
1478            return BAD_VALUE;
1479        }
1480
1481        mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
1482                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1483                videoSize, mFrameRate, mPreviewSurface,
1484                mTimeBetweenCaptureUs);
1485        *cameraSource = mCameraSourceTimeLapse;
1486    } else {
1487        *cameraSource = CameraSource::CreateFromCamera(
1488                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1489                videoSize, mFrameRate,
1490                mPreviewSurface);
1491    }
1492    mCamera.clear();
1493    mCameraProxy.clear();
1494    if (*cameraSource == NULL) {
1495        return UNKNOWN_ERROR;
1496    }
1497
1498    if ((*cameraSource)->initCheck() != OK) {
1499        (*cameraSource).clear();
1500        *cameraSource = NULL;
1501        return NO_INIT;
1502    }
1503
1504    // When frame rate is not set, the actual frame rate will be set to
1505    // the current frame rate being used.
1506    if (mFrameRate == -1) {
1507        int32_t frameRate = 0;
1508        CHECK ((*cameraSource)->getFormat()->findInt32(
1509                    kKeyFrameRate, &frameRate));
1510        ALOGI("Frame rate is not explicitly set. Use the current frame "
1511             "rate (%d fps)", frameRate);
1512        mFrameRate = frameRate;
1513    }
1514
1515    CHECK(mFrameRate != -1);
1516
1517    mMetaDataStoredInVideoBuffers =
1518        (*cameraSource)->metaDataStoredInVideoBuffers();
1519
1520    return OK;
1521}
1522
1523status_t StagefrightRecorder::setupVideoEncoder(
1524        const sp<MediaSource> &cameraSource,
1525        sp<MediaCodecSource> *source) {
1526    source->clear();
1527
1528    sp<AMessage> format = new AMessage();
1529
1530    switch (mVideoEncoder) {
1531        case VIDEO_ENCODER_H263:
1532            format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
1533            break;
1534
1535        case VIDEO_ENCODER_MPEG_4_SP:
1536            format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
1537            break;
1538
1539        case VIDEO_ENCODER_H264:
1540            format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
1541            break;
1542
1543        case VIDEO_ENCODER_VP8:
1544            format->setString("mime", MEDIA_MIMETYPE_VIDEO_VP8);
1545            break;
1546
1547        case VIDEO_ENCODER_HEVC:
1548            format->setString("mime", MEDIA_MIMETYPE_VIDEO_HEVC);
1549            break;
1550
1551        default:
1552            CHECK(!"Should not be here, unsupported video encoding.");
1553            break;
1554    }
1555
1556    if (cameraSource != NULL) {
1557        sp<MetaData> meta = cameraSource->getFormat();
1558
1559        int32_t width, height, stride, sliceHeight, colorFormat;
1560        CHECK(meta->findInt32(kKeyWidth, &width));
1561        CHECK(meta->findInt32(kKeyHeight, &height));
1562        CHECK(meta->findInt32(kKeyStride, &stride));
1563        CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
1564        CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
1565
1566        format->setInt32("width", width);
1567        format->setInt32("height", height);
1568        format->setInt32("stride", stride);
1569        format->setInt32("slice-height", sliceHeight);
1570        format->setInt32("color-format", colorFormat);
1571    } else {
1572        format->setInt32("width", mVideoWidth);
1573        format->setInt32("height", mVideoHeight);
1574        format->setInt32("stride", mVideoWidth);
1575        format->setInt32("slice-height", mVideoHeight);
1576        format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque);
1577
1578        // set up time lapse/slow motion for surface source
1579        if (mCaptureFpsEnable) {
1580            if (mTimeBetweenCaptureUs <= 0) {
1581                ALOGE("Invalid mTimeBetweenCaptureUs value: %lld",
1582                        (long long)mTimeBetweenCaptureUs);
1583                return BAD_VALUE;
1584            }
1585            format->setInt64("time-lapse", mTimeBetweenCaptureUs);
1586        }
1587    }
1588
1589    format->setInt32("bitrate", mVideoBitRate);
1590    format->setInt32("frame-rate", mFrameRate);
1591    format->setInt32("i-frame-interval", mIFramesIntervalSec);
1592
1593    if (mVideoTimeScale > 0) {
1594        format->setInt32("time-scale", mVideoTimeScale);
1595    }
1596    if (mVideoEncoderProfile != -1) {
1597        format->setInt32("profile", mVideoEncoderProfile);
1598    }
1599    if (mVideoEncoderLevel != -1) {
1600        format->setInt32("level", mVideoEncoderLevel);
1601    }
1602
1603    uint32_t tsLayers = 1;
1604    bool preferBFrames = true; // we like B-frames as it produces better quality per bitrate
1605    format->setInt32("priority", 0 /* realtime */);
1606    float maxPlaybackFps = mFrameRate; // assume video is only played back at normal speed
1607
1608    if (mCaptureFpsEnable) {
1609        format->setFloat("operating-rate", mCaptureFps);
1610
1611        // enable layering for all time lapse and high frame rate recordings
1612        if (mFrameRate / mCaptureFps >= 1.9) { // time lapse
1613            preferBFrames = false;
1614            tsLayers = 2; // use at least two layers as resulting video will likely be sped up
1615        } else if (mCaptureFps > maxPlaybackFps) { // slow-mo
1616            maxPlaybackFps = mCaptureFps; // assume video will be played back at full capture speed
1617            preferBFrames = false;
1618        }
1619    }
1620
1621    for (uint32_t tryLayers = 1; tryLayers <= kMaxNumVideoTemporalLayers; ++tryLayers) {
1622        if (tryLayers > tsLayers) {
1623            tsLayers = tryLayers;
1624        }
1625        // keep going until the base layer fps falls below the typical display refresh rate
1626        float baseLayerFps = maxPlaybackFps / (1 << (tryLayers - 1));
1627        if (baseLayerFps < kMinTypicalDisplayRefreshingRate / 0.9) {
1628            break;
1629        }
1630    }
1631
1632    if (tsLayers > 1) {
1633        uint32_t bLayers = std::min(2u, tsLayers - 1); // use up-to 2 B-layers
1634        uint32_t pLayers = tsLayers - bLayers;
1635        format->setString(
1636                "ts-schema", AStringPrintf("android.generic.%u+%u", pLayers, bLayers));
1637
1638        // TODO: some encoders do not support B-frames with temporal layering, and we have a
1639        // different preference based on use-case. We could move this into camera profiles.
1640        format->setInt32("android._prefer-b-frames", preferBFrames);
1641    }
1642
1643    if (mMetaDataStoredInVideoBuffers != kMetadataBufferTypeInvalid) {
1644        format->setInt32("android._input-metadata-buffer-type", mMetaDataStoredInVideoBuffers);
1645    }
1646
1647    uint32_t flags = 0;
1648    if (cameraSource == NULL) {
1649        flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT;
1650    } else {
1651        // require dataspace setup even if not using surface input
1652        format->setInt32("android._using-recorder", 1);
1653    }
1654
1655    sp<MediaCodecSource> encoder = MediaCodecSource::Create(
1656            mLooper, format, cameraSource, mPersistentSurface, flags);
1657    if (encoder == NULL) {
1658        ALOGE("Failed to create video encoder");
1659        // When the encoder fails to be created, we need
1660        // release the camera source due to the camera's lock
1661        // and unlock mechanism.
1662        if (cameraSource != NULL) {
1663            cameraSource->stop();
1664        }
1665        return UNKNOWN_ERROR;
1666    }
1667
1668    if (cameraSource == NULL) {
1669        mGraphicBufferProducer = encoder->getGraphicBufferProducer();
1670    }
1671
1672    *source = encoder;
1673
1674    return OK;
1675}
1676
1677status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) {
1678    status_t status = BAD_VALUE;
1679    if (OK != (status = checkAudioEncoderCapabilities())) {
1680        return status;
1681    }
1682
1683    switch(mAudioEncoder) {
1684        case AUDIO_ENCODER_AMR_NB:
1685        case AUDIO_ENCODER_AMR_WB:
1686        case AUDIO_ENCODER_AAC:
1687        case AUDIO_ENCODER_HE_AAC:
1688        case AUDIO_ENCODER_AAC_ELD:
1689            break;
1690
1691        default:
1692            ALOGE("Unsupported audio encoder: %d", mAudioEncoder);
1693            return UNKNOWN_ERROR;
1694    }
1695
1696    sp<MediaCodecSource> audioEncoder = createAudioSource();
1697    if (audioEncoder == NULL) {
1698        return UNKNOWN_ERROR;
1699    }
1700
1701    writer->addSource(audioEncoder);
1702    mAudioEncoderSource = audioEncoder;
1703    return OK;
1704}
1705
1706status_t StagefrightRecorder::setupMPEG4orWEBMRecording() {
1707    mWriter.clear();
1708    mTotalBitRate = 0;
1709
1710    status_t err = OK;
1711    sp<MediaWriter> writer;
1712    sp<MPEG4Writer> mp4writer;
1713    if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1714        writer = new WebmWriter(mOutputFd);
1715    } else {
1716        writer = mp4writer = new MPEG4Writer(mOutputFd);
1717    }
1718
1719    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1720        setDefaultVideoEncoderIfNecessary();
1721
1722        sp<MediaSource> mediaSource;
1723        err = setupMediaSource(&mediaSource);
1724        if (err != OK) {
1725            return err;
1726        }
1727
1728        sp<MediaCodecSource> encoder;
1729        err = setupVideoEncoder(mediaSource, &encoder);
1730        if (err != OK) {
1731            return err;
1732        }
1733
1734        writer->addSource(encoder);
1735        mVideoEncoderSource = encoder;
1736        mTotalBitRate += mVideoBitRate;
1737    }
1738
1739    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1740        // Audio source is added at the end if it exists.
1741        // This help make sure that the "recoding" sound is suppressed for
1742        // camcorder applications in the recorded files.
1743        // TODO Audio source is currently unsupported for webm output; vorbis encoder needed.
1744        // disable audio for time lapse recording
1745        bool disableAudio = mCaptureFpsEnable && mCaptureFps < mFrameRate;
1746        if (!disableAudio && mAudioSource != AUDIO_SOURCE_CNT) {
1747            err = setupAudioEncoder(writer);
1748            if (err != OK) return err;
1749            mTotalBitRate += mAudioBitRate;
1750        }
1751
1752        if (mCaptureFpsEnable) {
1753            mp4writer->setCaptureRate(mCaptureFps);
1754        }
1755
1756        if (mInterleaveDurationUs > 0) {
1757            mp4writer->setInterleaveDuration(mInterleaveDurationUs);
1758        }
1759        if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) {
1760            mp4writer->setGeoData(mLatitudex10000, mLongitudex10000);
1761        }
1762    }
1763    if (mMaxFileDurationUs != 0) {
1764        writer->setMaxFileDuration(mMaxFileDurationUs);
1765    }
1766    if (mMaxFileSizeBytes != 0) {
1767        writer->setMaxFileSize(mMaxFileSizeBytes);
1768    }
1769    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1770            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1771        mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId);
1772    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1773        // surface source doesn't need large initial delay
1774        mStartTimeOffsetMs = 200;
1775    }
1776    if (mStartTimeOffsetMs > 0) {
1777        writer->setStartTimeOffsetMs(mStartTimeOffsetMs);
1778    }
1779
1780    writer->setListener(mListener);
1781    mWriter = writer;
1782    return OK;
1783}
1784
1785void StagefrightRecorder::setupMPEG4orWEBMMetaData(sp<MetaData> *meta) {
1786    int64_t startTimeUs = systemTime() / 1000;
1787    (*meta)->setInt64(kKeyTime, startTimeUs);
1788    (*meta)->setInt32(kKeyFileType, mOutputFormat);
1789    (*meta)->setInt32(kKeyBitRate, mTotalBitRate);
1790    if (mMovieTimeScale > 0) {
1791        (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
1792    }
1793    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1794        (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
1795        if (mTrackEveryTimeDurationUs > 0) {
1796            (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs);
1797        }
1798        if (mRotationDegrees != 0) {
1799            (*meta)->setInt32(kKeyRotation, mRotationDegrees);
1800        }
1801    }
1802}
1803
1804status_t StagefrightRecorder::pause() {
1805    ALOGV("pause");
1806    if (!mStarted) {
1807        return INVALID_OPERATION;
1808    }
1809
1810    // Already paused --- no-op.
1811    if (mPauseStartTimeUs != 0) {
1812        return OK;
1813    }
1814
1815    if (mAudioEncoderSource != NULL) {
1816        mAudioEncoderSource->pause();
1817    }
1818    if (mVideoEncoderSource != NULL) {
1819        mVideoEncoderSource->pause();
1820    }
1821
1822    mPauseStartTimeUs = systemTime() / 1000;
1823
1824    return OK;
1825}
1826
1827status_t StagefrightRecorder::resume() {
1828    ALOGV("resume");
1829    if (!mStarted) {
1830        return INVALID_OPERATION;
1831    }
1832
1833    // Not paused --- no-op.
1834    if (mPauseStartTimeUs == 0) {
1835        return OK;
1836    }
1837
1838    int64_t bufferStartTimeUs = 0;
1839    bool allSourcesStarted = true;
1840    for (const auto &source : { mAudioEncoderSource, mVideoEncoderSource }) {
1841        if (source == nullptr) {
1842            continue;
1843        }
1844        int64_t timeUs = source->getFirstSampleSystemTimeUs();
1845        if (timeUs < 0) {
1846            allSourcesStarted = false;
1847        }
1848        if (bufferStartTimeUs < timeUs) {
1849            bufferStartTimeUs = timeUs;
1850        }
1851    }
1852
1853    if (allSourcesStarted) {
1854        if (mPauseStartTimeUs < bufferStartTimeUs) {
1855            mPauseStartTimeUs = bufferStartTimeUs;
1856        }
1857        // 30 ms buffer to avoid timestamp overlap
1858        mTotalPausedDurationUs += (systemTime() / 1000) - mPauseStartTimeUs - 30000;
1859    }
1860    double timeOffset = -mTotalPausedDurationUs;
1861    if (mCaptureFpsEnable) {
1862        timeOffset *= mCaptureFps / mFrameRate;
1863    }
1864    for (const auto &source : { mAudioEncoderSource, mVideoEncoderSource }) {
1865        if (source == nullptr) {
1866            continue;
1867        }
1868        source->setInputBufferTimeOffset((int64_t)timeOffset);
1869        source->start();
1870    }
1871    mPauseStartTimeUs = 0;
1872
1873    return OK;
1874}
1875
1876status_t StagefrightRecorder::stop() {
1877    ALOGV("stop");
1878    Mutex::Autolock autolock(mLock);
1879    status_t err = OK;
1880
1881    if (mCaptureFpsEnable && mCameraSourceTimeLapse != NULL) {
1882        mCameraSourceTimeLapse->startQuickReadReturns();
1883        mCameraSourceTimeLapse = NULL;
1884    }
1885
1886    if (mWriter != NULL) {
1887        err = mWriter->stop();
1888        mWriter.clear();
1889    }
1890    mTotalPausedDurationUs = 0;
1891    mPauseStartTimeUs = 0;
1892
1893    mGraphicBufferProducer.clear();
1894    mPersistentSurface.clear();
1895    mAudioEncoderSource.clear();
1896    mVideoEncoderSource.clear();
1897
1898    if (mOutputFd >= 0) {
1899        ::close(mOutputFd);
1900        mOutputFd = -1;
1901    }
1902
1903    if (mStarted) {
1904        mStarted = false;
1905
1906        uint32_t params = 0;
1907        if (mAudioSource != AUDIO_SOURCE_CNT) {
1908            params |= IMediaPlayerService::kBatteryDataTrackAudio;
1909        }
1910        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
1911            params |= IMediaPlayerService::kBatteryDataTrackVideo;
1912        }
1913
1914        addBatteryData(params);
1915    }
1916
1917    return err;
1918}
1919
1920status_t StagefrightRecorder::close() {
1921    ALOGV("close");
1922    stop();
1923
1924    return OK;
1925}
1926
1927status_t StagefrightRecorder::reset() {
1928    ALOGV("reset");
1929    stop();
1930
1931    // No audio or video source by default
1932    mAudioSource = AUDIO_SOURCE_CNT;
1933    mVideoSource = VIDEO_SOURCE_LIST_END;
1934
1935    // Default parameters
1936    mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
1937    mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
1938    mVideoEncoder  = VIDEO_ENCODER_DEFAULT;
1939    mVideoWidth    = 176;
1940    mVideoHeight   = 144;
1941    mFrameRate     = -1;
1942    mVideoBitRate  = 192000;
1943    mSampleRate    = 8000;
1944    mAudioChannels = 1;
1945    mAudioBitRate  = 12200;
1946    mInterleaveDurationUs = 0;
1947    mIFramesIntervalSec = 1;
1948    mAudioSourceNode = 0;
1949    mUse64BitFileOffset = false;
1950    mMovieTimeScale  = -1;
1951    mAudioTimeScale  = -1;
1952    mVideoTimeScale  = -1;
1953    mCameraId        = 0;
1954    mStartTimeOffsetMs = -1;
1955    mVideoEncoderProfile = -1;
1956    mVideoEncoderLevel   = -1;
1957    mMaxFileDurationUs = 0;
1958    mMaxFileSizeBytes = 0;
1959    mTrackEveryTimeDurationUs = 0;
1960    mCaptureFpsEnable = false;
1961    mCaptureFps = 0.0f;
1962    mTimeBetweenCaptureUs = -1;
1963    mCameraSourceTimeLapse = NULL;
1964    mMetaDataStoredInVideoBuffers = kMetadataBufferTypeInvalid;
1965    mEncoderProfiles = MediaProfiles::getInstance();
1966    mRotationDegrees = 0;
1967    mLatitudex10000 = -3600000;
1968    mLongitudex10000 = -3600000;
1969    mTotalBitRate = 0;
1970
1971    mOutputFd = -1;
1972
1973    return OK;
1974}
1975
1976status_t StagefrightRecorder::getMaxAmplitude(int *max) {
1977    ALOGV("getMaxAmplitude");
1978
1979    if (max == NULL) {
1980        ALOGE("Null pointer argument");
1981        return BAD_VALUE;
1982    }
1983
1984    if (mAudioSourceNode != 0) {
1985        *max = mAudioSourceNode->getMaxAmplitude();
1986    } else {
1987        *max = 0;
1988    }
1989
1990    return OK;
1991}
1992
1993status_t StagefrightRecorder::dump(
1994        int fd, const Vector<String16>& args) const {
1995    ALOGV("dump");
1996    Mutex::Autolock autolock(mLock);
1997    const size_t SIZE = 256;
1998    char buffer[SIZE];
1999    String8 result;
2000    if (mWriter != 0) {
2001        mWriter->dump(fd, args);
2002    } else {
2003        snprintf(buffer, SIZE, "   No file writer\n");
2004        result.append(buffer);
2005    }
2006    snprintf(buffer, SIZE, "   Recorder: %p\n", this);
2007    snprintf(buffer, SIZE, "   Output file (fd %d):\n", mOutputFd);
2008    result.append(buffer);
2009    snprintf(buffer, SIZE, "     File format: %d\n", mOutputFormat);
2010    result.append(buffer);
2011    snprintf(buffer, SIZE, "     Max file size (bytes): %" PRId64 "\n", mMaxFileSizeBytes);
2012    result.append(buffer);
2013    snprintf(buffer, SIZE, "     Max file duration (us): %" PRId64 "\n", mMaxFileDurationUs);
2014    result.append(buffer);
2015    snprintf(buffer, SIZE, "     File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32);
2016    result.append(buffer);
2017    snprintf(buffer, SIZE, "     Interleave duration (us): %d\n", mInterleaveDurationUs);
2018    result.append(buffer);
2019    snprintf(buffer, SIZE, "     Progress notification: %" PRId64 " us\n", mTrackEveryTimeDurationUs);
2020    result.append(buffer);
2021    snprintf(buffer, SIZE, "   Audio\n");
2022    result.append(buffer);
2023    snprintf(buffer, SIZE, "     Source: %d\n", mAudioSource);
2024    result.append(buffer);
2025    snprintf(buffer, SIZE, "     Encoder: %d\n", mAudioEncoder);
2026    result.append(buffer);
2027    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mAudioBitRate);
2028    result.append(buffer);
2029    snprintf(buffer, SIZE, "     Sampling rate (hz): %d\n", mSampleRate);
2030    result.append(buffer);
2031    snprintf(buffer, SIZE, "     Number of channels: %d\n", mAudioChannels);
2032    result.append(buffer);
2033    snprintf(buffer, SIZE, "     Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude());
2034    result.append(buffer);
2035    snprintf(buffer, SIZE, "   Video\n");
2036    result.append(buffer);
2037    snprintf(buffer, SIZE, "     Source: %d\n", mVideoSource);
2038    result.append(buffer);
2039    snprintf(buffer, SIZE, "     Camera Id: %d\n", mCameraId);
2040    result.append(buffer);
2041    snprintf(buffer, SIZE, "     Start time offset (ms): %d\n", mStartTimeOffsetMs);
2042    result.append(buffer);
2043    snprintf(buffer, SIZE, "     Encoder: %d\n", mVideoEncoder);
2044    result.append(buffer);
2045    snprintf(buffer, SIZE, "     Encoder profile: %d\n", mVideoEncoderProfile);
2046    result.append(buffer);
2047    snprintf(buffer, SIZE, "     Encoder level: %d\n", mVideoEncoderLevel);
2048    result.append(buffer);
2049    snprintf(buffer, SIZE, "     I frames interval (s): %d\n", mIFramesIntervalSec);
2050    result.append(buffer);
2051    snprintf(buffer, SIZE, "     Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight);
2052    result.append(buffer);
2053    snprintf(buffer, SIZE, "     Frame rate (fps): %d\n", mFrameRate);
2054    result.append(buffer);
2055    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mVideoBitRate);
2056    result.append(buffer);
2057    ::write(fd, result.string(), result.size());
2058    return OK;
2059}
2060}  // namespace android
2061