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/MediaAnalyticsItem.h>
34#include <media/stagefright/foundation/ABuffer.h>
35#include <media/stagefright/foundation/ADebug.h>
36#include <media/stagefright/foundation/AMessage.h>
37#include <media/stagefright/foundation/ALooper.h>
38#include <media/stagefright/ACodec.h>
39#include <media/stagefright/AudioSource.h>
40#include <media/stagefright/AMRWriter.h>
41#include <media/stagefright/AACWriter.h>
42#include <media/stagefright/CameraSource.h>
43#include <media/stagefright/CameraSourceTimeLapse.h>
44#include <media/stagefright/MPEG2TSWriter.h>
45#include <media/stagefright/MPEG4Writer.h>
46#include <media/stagefright/MediaDefs.h>
47#include <media/stagefright/MetaData.h>
48#include <media/stagefright/MediaCodecSource.h>
49#include <media/stagefright/PersistentSurface.h>
50#include <media/MediaProfiles.h>
51#include <camera/CameraParameters.h>
52
53#include <utils/Errors.h>
54#include <sys/types.h>
55#include <ctype.h>
56#include <unistd.h>
57
58#include <system/audio.h>
59
60#include "ARTPWriter.h"
61
62namespace android {
63
64static const float kTypicalDisplayRefreshingRate = 60.f;
65// display refresh rate drops on battery saver
66static const float kMinTypicalDisplayRefreshingRate = kTypicalDisplayRefreshingRate / 2;
67static const int kMaxNumVideoTemporalLayers = 8;
68
69// key for media statistics
70static const char *kKeyRecorder = "recorder";
71// attrs for media statistics
72static const char *kRecorderHeight = "android.media.mediarecorder.height";
73static const char *kRecorderWidth = "android.media.mediarecorder.width";
74static const char *kRecorderFrameRate = "android.media.mediarecorder.frame-rate";
75static const char *kRecorderVideoBitrate = "android.media.mediarecorder.video-bitrate";
76static const char *kRecorderAudioSampleRate = "android.media.mediarecorder.audio-samplerate";
77static const char *kRecorderAudioChannels = "android.media.mediarecorder.audio-channels";
78static const char *kRecorderAudioBitrate = "android.media.mediarecorder.audio-bitrate";
79static const char *kRecorderVideoIframeInterval = "android.media.mediarecorder.video-iframe-interval";
80static const char *kRecorderMovieTimescale = "android.media.mediarecorder.movie-timescale";
81static const char *kRecorderAudioTimescale = "android.media.mediarecorder.audio-timescale";
82static const char *kRecorderVideoTimescale = "android.media.mediarecorder.video-timescale";
83static const char *kRecorderVideoProfile = "android.media.mediarecorder.video-encoder-profile";
84static const char *kRecorderVideoLevel = "android.media.mediarecorder.video-encoder-level";
85static const char *kRecorderCaptureFpsEnable = "android.media.mediarecorder.capture-fpsenable";
86static const char *kRecorderCaptureFps = "android.media.mediarecorder.capture-fps";
87static const char *kRecorderRotation = "android.media.mediarecorder.rotation";
88
89// To collect the encoder usage for the battery app
90static void addBatteryData(uint32_t params) {
91    sp<IBinder> binder =
92        defaultServiceManager()->getService(String16("media.player"));
93    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
94    CHECK(service.get() != NULL);
95
96    service->addBatteryData(params);
97}
98
99
100StagefrightRecorder::StagefrightRecorder(const String16 &opPackageName)
101    : MediaRecorderBase(opPackageName),
102      mWriter(NULL),
103      mOutputFd(-1),
104      mAudioSource(AUDIO_SOURCE_CNT),
105      mVideoSource(VIDEO_SOURCE_LIST_END),
106      mStarted(false) {
107
108    ALOGV("Constructor");
109
110    mAnalyticsDirty = false;
111    reset();
112}
113
114StagefrightRecorder::~StagefrightRecorder() {
115    ALOGV("Destructor");
116    stop();
117
118    if (mLooper != NULL) {
119        mLooper->stop();
120    }
121
122    // log the current record, provided it has some information worth recording
123    if (mAnalyticsDirty && mAnalyticsItem != NULL) {
124        updateMetrics();
125        if (mAnalyticsItem->count() > 0) {
126            mAnalyticsItem->setFinalized(true);
127            mAnalyticsItem->selfrecord();
128        }
129        delete mAnalyticsItem;
130        mAnalyticsItem = NULL;
131    }
132}
133
134void StagefrightRecorder::updateMetrics() {
135    ALOGV("updateMetrics");
136
137    // we'll populate the values from the raw fields.
138    // (NOT going to populate as we go through the various set* ops)
139
140    // TBD mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
141    // TBD mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
142    // TBD mVideoEncoder  = VIDEO_ENCODER_DEFAULT;
143    mAnalyticsItem->setInt32(kRecorderHeight, mVideoHeight);
144    mAnalyticsItem->setInt32(kRecorderWidth, mVideoWidth);
145    mAnalyticsItem->setInt32(kRecorderFrameRate, mFrameRate);
146    mAnalyticsItem->setInt32(kRecorderVideoBitrate, mVideoBitRate);
147    mAnalyticsItem->setInt32(kRecorderAudioSampleRate, mSampleRate);
148    mAnalyticsItem->setInt32(kRecorderAudioChannels, mAudioChannels);
149    mAnalyticsItem->setInt32(kRecorderAudioBitrate, mAudioBitRate);
150    // TBD mInterleaveDurationUs = 0;
151    mAnalyticsItem->setInt32(kRecorderVideoIframeInterval, mIFramesIntervalSec);
152    // TBD mAudioSourceNode = 0;
153    // TBD mUse64BitFileOffset = false;
154    mAnalyticsItem->setInt32(kRecorderMovieTimescale, mMovieTimeScale);
155    mAnalyticsItem->setInt32(kRecorderAudioTimescale, mAudioTimeScale);
156    mAnalyticsItem->setInt32(kRecorderVideoTimescale, mVideoTimeScale);
157    // TBD mCameraId        = 0;
158    // TBD mStartTimeOffsetMs = -1;
159    mAnalyticsItem->setInt32(kRecorderVideoProfile, mVideoEncoderProfile);
160    mAnalyticsItem->setInt32(kRecorderVideoLevel, mVideoEncoderLevel);
161    // TBD mMaxFileDurationUs = 0;
162    // TBD mMaxFileSizeBytes = 0;
163    // TBD mTrackEveryTimeDurationUs = 0;
164    mAnalyticsItem->setInt32(kRecorderCaptureFpsEnable, mCaptureFpsEnable);
165    mAnalyticsItem->setDouble(kRecorderCaptureFps, mCaptureFps);
166    // TBD mCaptureFps = -1.0;
167    // TBD mCameraSourceTimeLapse = NULL;
168    // TBD mMetaDataStoredInVideoBuffers = kMetadataBufferTypeInvalid;
169    // TBD mEncoderProfiles = MediaProfiles::getInstance();
170    mAnalyticsItem->setInt32(kRecorderRotation, mRotationDegrees);
171    // PII mLatitudex10000 = -3600000;
172    // PII mLongitudex10000 = -3600000;
173    // TBD mTotalBitRate = 0;
174
175    // TBD: some duration information (capture, paused)
176    //
177
178}
179
180void StagefrightRecorder::resetMetrics() {
181    ALOGV("resetMetrics");
182    // flush anything we have, restart the record
183    if (mAnalyticsDirty && mAnalyticsItem != NULL) {
184        updateMetrics();
185        if (mAnalyticsItem->count() > 0) {
186            mAnalyticsItem->setFinalized(true);
187            mAnalyticsItem->selfrecord();
188        }
189        delete mAnalyticsItem;
190        mAnalyticsItem = NULL;
191    }
192    mAnalyticsItem = new MediaAnalyticsItem(kKeyRecorder);
193    (void) mAnalyticsItem->generateSessionID();
194    mAnalyticsDirty = false;
195}
196
197status_t StagefrightRecorder::init() {
198    ALOGV("init");
199
200    mLooper = new ALooper;
201    mLooper->setName("recorder_looper");
202    mLooper->start();
203
204    return OK;
205}
206
207// The client side of mediaserver asks it to creat a SurfaceMediaSource
208// and return a interface reference. The client side will use that
209// while encoding GL Frames
210sp<IGraphicBufferProducer> StagefrightRecorder::querySurfaceMediaSource() const {
211    ALOGV("Get SurfaceMediaSource");
212    return mGraphicBufferProducer;
213}
214
215status_t StagefrightRecorder::setAudioSource(audio_source_t as) {
216    ALOGV("setAudioSource: %d", as);
217    if (as < AUDIO_SOURCE_DEFAULT ||
218        (as >= AUDIO_SOURCE_CNT && as != AUDIO_SOURCE_FM_TUNER)) {
219        ALOGE("Invalid audio source: %d", as);
220        return BAD_VALUE;
221    }
222
223    if (as == AUDIO_SOURCE_DEFAULT) {
224        mAudioSource = AUDIO_SOURCE_MIC;
225    } else {
226        mAudioSource = as;
227    }
228
229    return OK;
230}
231
232status_t StagefrightRecorder::setVideoSource(video_source vs) {
233    ALOGV("setVideoSource: %d", vs);
234    if (vs < VIDEO_SOURCE_DEFAULT ||
235        vs >= VIDEO_SOURCE_LIST_END) {
236        ALOGE("Invalid video source: %d", vs);
237        return BAD_VALUE;
238    }
239
240    if (vs == VIDEO_SOURCE_DEFAULT) {
241        mVideoSource = VIDEO_SOURCE_CAMERA;
242    } else {
243        mVideoSource = vs;
244    }
245
246    return OK;
247}
248
249status_t StagefrightRecorder::setOutputFormat(output_format of) {
250    ALOGV("setOutputFormat: %d", of);
251    if (of < OUTPUT_FORMAT_DEFAULT ||
252        of >= OUTPUT_FORMAT_LIST_END) {
253        ALOGE("Invalid output format: %d", of);
254        return BAD_VALUE;
255    }
256
257    if (of == OUTPUT_FORMAT_DEFAULT) {
258        mOutputFormat = OUTPUT_FORMAT_THREE_GPP;
259    } else {
260        mOutputFormat = of;
261    }
262
263    return OK;
264}
265
266status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) {
267    ALOGV("setAudioEncoder: %d", ae);
268    if (ae < AUDIO_ENCODER_DEFAULT ||
269        ae >= AUDIO_ENCODER_LIST_END) {
270        ALOGE("Invalid audio encoder: %d", ae);
271        return BAD_VALUE;
272    }
273
274    if (ae == AUDIO_ENCODER_DEFAULT) {
275        mAudioEncoder = AUDIO_ENCODER_AMR_NB;
276    } else {
277        mAudioEncoder = ae;
278    }
279
280    return OK;
281}
282
283status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) {
284    ALOGV("setVideoEncoder: %d", ve);
285    if (ve < VIDEO_ENCODER_DEFAULT ||
286        ve >= VIDEO_ENCODER_LIST_END) {
287        ALOGE("Invalid video encoder: %d", ve);
288        return BAD_VALUE;
289    }
290
291    mVideoEncoder = ve;
292
293    return OK;
294}
295
296status_t StagefrightRecorder::setVideoSize(int width, int height) {
297    ALOGV("setVideoSize: %dx%d", width, height);
298    if (width <= 0 || height <= 0) {
299        ALOGE("Invalid video size: %dx%d", width, height);
300        return BAD_VALUE;
301    }
302
303    // Additional check on the dimension will be performed later
304    mVideoWidth = width;
305    mVideoHeight = height;
306
307    return OK;
308}
309
310status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) {
311    ALOGV("setVideoFrameRate: %d", frames_per_second);
312    if ((frames_per_second <= 0 && frames_per_second != -1) ||
313        frames_per_second > kMaxHighSpeedFps) {
314        ALOGE("Invalid video frame rate: %d", frames_per_second);
315        return BAD_VALUE;
316    }
317
318    // Additional check on the frame rate will be performed later
319    mFrameRate = frames_per_second;
320
321    return OK;
322}
323
324status_t StagefrightRecorder::setCamera(const sp<hardware::ICamera> &camera,
325                                        const sp<ICameraRecordingProxy> &proxy) {
326    ALOGV("setCamera");
327    if (camera == 0) {
328        ALOGE("camera is NULL");
329        return BAD_VALUE;
330    }
331    if (proxy == 0) {
332        ALOGE("camera proxy is NULL");
333        return BAD_VALUE;
334    }
335
336    mCamera = camera;
337    mCameraProxy = proxy;
338    return OK;
339}
340
341status_t StagefrightRecorder::setPreviewSurface(const sp<IGraphicBufferProducer> &surface) {
342    ALOGV("setPreviewSurface: %p", surface.get());
343    mPreviewSurface = surface;
344
345    return OK;
346}
347
348status_t StagefrightRecorder::setInputSurface(
349        const sp<PersistentSurface>& surface) {
350    mPersistentSurface = surface;
351
352    return OK;
353}
354
355status_t StagefrightRecorder::setOutputFile(int fd) {
356    ALOGV("setOutputFile: %d", fd);
357
358    if (fd < 0) {
359        ALOGE("Invalid file descriptor: %d", fd);
360        return -EBADF;
361    }
362
363    // start with a clean, empty file
364    ftruncate(fd, 0);
365
366    if (mOutputFd >= 0) {
367        ::close(mOutputFd);
368    }
369    mOutputFd = dup(fd);
370
371    return OK;
372}
373
374status_t StagefrightRecorder::setNextOutputFile(int fd) {
375    Mutex::Autolock autolock(mLock);
376    // Only support MPEG4
377    if (mOutputFormat != OUTPUT_FORMAT_MPEG_4) {
378        ALOGE("Only MP4 file format supports setting next output file");
379        return INVALID_OPERATION;
380    }
381    ALOGV("setNextOutputFile: %d", fd);
382
383    if (fd < 0) {
384        ALOGE("Invalid file descriptor: %d", fd);
385        return -EBADF;
386    }
387
388    // start with a clean, empty file
389    ftruncate(fd, 0);
390    int nextFd = dup(fd);
391    if (mWriter == NULL) {
392        ALOGE("setNextOutputFile failed. Writer has been freed");
393        return INVALID_OPERATION;
394    }
395    return mWriter->setNextFd(nextFd);
396}
397
398// Attempt to parse an float literal optionally surrounded by whitespace,
399// returns true on success, false otherwise.
400static bool safe_strtod(const char *s, double *val) {
401    char *end;
402
403    // It is lame, but according to man page, we have to set errno to 0
404    // before calling strtod().
405    errno = 0;
406    *val = strtod(s, &end);
407
408    if (end == s || errno == ERANGE) {
409        return false;
410    }
411
412    // Skip trailing whitespace
413    while (isspace(*end)) {
414        ++end;
415    }
416
417    // For a successful return, the string must contain nothing but a valid
418    // float literal optionally surrounded by whitespace.
419
420    return *end == '\0';
421}
422
423// Attempt to parse an int64 literal optionally surrounded by whitespace,
424// returns true on success, false otherwise.
425static bool safe_strtoi64(const char *s, int64_t *val) {
426    char *end;
427
428    // It is lame, but according to man page, we have to set errno to 0
429    // before calling strtoll().
430    errno = 0;
431    *val = strtoll(s, &end, 10);
432
433    if (end == s || errno == ERANGE) {
434        return false;
435    }
436
437    // Skip trailing whitespace
438    while (isspace(*end)) {
439        ++end;
440    }
441
442    // For a successful return, the string must contain nothing but a valid
443    // int64 literal optionally surrounded by whitespace.
444
445    return *end == '\0';
446}
447
448// Return true if the value is in [0, 0x007FFFFFFF]
449static bool safe_strtoi32(const char *s, int32_t *val) {
450    int64_t temp;
451    if (safe_strtoi64(s, &temp)) {
452        if (temp >= 0 && temp <= 0x007FFFFFFF) {
453            *val = static_cast<int32_t>(temp);
454            return true;
455        }
456    }
457    return false;
458}
459
460// Trim both leading and trailing whitespace from the given string.
461static void TrimString(String8 *s) {
462    size_t num_bytes = s->bytes();
463    const char *data = s->string();
464
465    size_t leading_space = 0;
466    while (leading_space < num_bytes && isspace(data[leading_space])) {
467        ++leading_space;
468    }
469
470    size_t i = num_bytes;
471    while (i > leading_space && isspace(data[i - 1])) {
472        --i;
473    }
474
475    s->setTo(String8(&data[leading_space], i - leading_space));
476}
477
478status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) {
479    ALOGV("setParamAudioSamplingRate: %d", sampleRate);
480    if (sampleRate <= 0) {
481        ALOGE("Invalid audio sampling rate: %d", sampleRate);
482        return BAD_VALUE;
483    }
484
485    // Additional check on the sample rate will be performed later.
486    mSampleRate = sampleRate;
487
488    return OK;
489}
490
491status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) {
492    ALOGV("setParamAudioNumberOfChannels: %d", channels);
493    if (channels <= 0 || channels >= 3) {
494        ALOGE("Invalid number of audio channels: %d", channels);
495        return BAD_VALUE;
496    }
497
498    // Additional check on the number of channels will be performed later.
499    mAudioChannels = channels;
500
501    return OK;
502}
503
504status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) {
505    ALOGV("setParamAudioEncodingBitRate: %d", bitRate);
506    if (bitRate <= 0) {
507        ALOGE("Invalid audio encoding bit rate: %d", bitRate);
508        return BAD_VALUE;
509    }
510
511    // The target bit rate may not be exactly the same as the requested.
512    // It depends on many factors, such as rate control, and the bit rate
513    // range that a specific encoder supports. The mismatch between the
514    // the target and requested bit rate will NOT be treated as an error.
515    mAudioBitRate = bitRate;
516    return OK;
517}
518
519status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) {
520    ALOGV("setParamVideoEncodingBitRate: %d", bitRate);
521    if (bitRate <= 0) {
522        ALOGE("Invalid video encoding bit rate: %d", bitRate);
523        return BAD_VALUE;
524    }
525
526    // The target bit rate may not be exactly the same as the requested.
527    // It depends on many factors, such as rate control, and the bit rate
528    // range that a specific encoder supports. The mismatch between the
529    // the target and requested bit rate will NOT be treated as an error.
530    mVideoBitRate = bitRate;
531    return OK;
532}
533
534// Always rotate clockwise, and only support 0, 90, 180 and 270 for now.
535status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) {
536    ALOGV("setParamVideoRotation: %d", degrees);
537    if (degrees < 0 || degrees % 90 != 0) {
538        ALOGE("Unsupported video rotation angle: %d", degrees);
539        return BAD_VALUE;
540    }
541    mRotationDegrees = degrees % 360;
542    return OK;
543}
544
545status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) {
546    ALOGV("setParamMaxFileDurationUs: %lld us", (long long)timeUs);
547
548    // This is meant for backward compatibility for MediaRecorder.java
549    if (timeUs <= 0) {
550        ALOGW("Max file duration is not positive: %lld us. Disabling duration limit.",
551                (long long)timeUs);
552        timeUs = 0; // Disable the duration limit for zero or negative values.
553    } else if (timeUs <= 100000LL) {  // XXX: 100 milli-seconds
554        ALOGE("Max file duration is too short: %lld us", (long long)timeUs);
555        return BAD_VALUE;
556    }
557
558    if (timeUs <= 15 * 1000000LL) {
559        ALOGW("Target duration (%lld us) too short to be respected", (long long)timeUs);
560    }
561    mMaxFileDurationUs = timeUs;
562    return OK;
563}
564
565status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
566    ALOGV("setParamMaxFileSizeBytes: %lld bytes", (long long)bytes);
567
568    // This is meant for backward compatibility for MediaRecorder.java
569    if (bytes <= 0) {
570        ALOGW("Max file size is not positive: %lld bytes. "
571             "Disabling file size limit.", (long long)bytes);
572        bytes = 0; // Disable the file size limit for zero or negative values.
573    } else if (bytes <= 1024) {  // XXX: 1 kB
574        ALOGE("Max file size is too small: %lld bytes", (long long)bytes);
575        return BAD_VALUE;
576    }
577
578    if (bytes <= 100 * 1024) {
579        ALOGW("Target file size (%lld bytes) is too small to be respected", (long long)bytes);
580    }
581
582    mMaxFileSizeBytes = bytes;
583    return OK;
584}
585
586status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) {
587    ALOGV("setParamInterleaveDuration: %d", durationUs);
588    if (durationUs <= 500000) {           //  500 ms
589        // If interleave duration is too small, it is very inefficient to do
590        // interleaving since the metadata overhead will count for a significant
591        // portion of the saved contents
592        ALOGE("Audio/video interleave duration is too small: %d us", durationUs);
593        return BAD_VALUE;
594    } else if (durationUs >= 10000000) {  // 10 seconds
595        // If interleaving duration is too large, it can cause the recording
596        // session to use too much memory since we have to save the output
597        // data before we write them out
598        ALOGE("Audio/video interleave duration is too large: %d us", durationUs);
599        return BAD_VALUE;
600    }
601    mInterleaveDurationUs = durationUs;
602    return OK;
603}
604
605// If seconds <  0, only the first frame is I frame, and rest are all P frames
606// If seconds == 0, all frames are encoded as I frames. No P frames
607// If seconds >  0, it is the time spacing (seconds) between 2 neighboring I frames
608status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) {
609    ALOGV("setParamVideoIFramesInterval: %d seconds", seconds);
610    mIFramesIntervalSec = seconds;
611    return OK;
612}
613
614status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) {
615    ALOGV("setParam64BitFileOffset: %s",
616        use64Bit? "use 64 bit file offset": "use 32 bit file offset");
617    mUse64BitFileOffset = use64Bit;
618    return OK;
619}
620
621status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) {
622    ALOGV("setParamVideoCameraId: %d", cameraId);
623    if (cameraId < 0) {
624        return BAD_VALUE;
625    }
626    mCameraId = cameraId;
627    return OK;
628}
629
630status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) {
631    ALOGV("setParamTrackTimeStatus: %lld", (long long)timeDurationUs);
632    if (timeDurationUs < 20000) {  // Infeasible if shorter than 20 ms?
633        ALOGE("Tracking time duration too short: %lld us", (long long)timeDurationUs);
634        return BAD_VALUE;
635    }
636    mTrackEveryTimeDurationUs = timeDurationUs;
637    return OK;
638}
639
640status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) {
641    ALOGV("setParamVideoEncoderProfile: %d", profile);
642
643    // Additional check will be done later when we load the encoder.
644    // For now, we are accepting values defined in OpenMAX IL.
645    mVideoEncoderProfile = profile;
646    return OK;
647}
648
649status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) {
650    ALOGV("setParamVideoEncoderLevel: %d", level);
651
652    // Additional check will be done later when we load the encoder.
653    // For now, we are accepting values defined in OpenMAX IL.
654    mVideoEncoderLevel = level;
655    return OK;
656}
657
658status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) {
659    ALOGV("setParamMovieTimeScale: %d", timeScale);
660
661    // The range is set to be the same as the audio's time scale range
662    // since audio's time scale has a wider range.
663    if (timeScale < 600 || timeScale > 96000) {
664        ALOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale);
665        return BAD_VALUE;
666    }
667    mMovieTimeScale = timeScale;
668    return OK;
669}
670
671status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) {
672    ALOGV("setParamVideoTimeScale: %d", timeScale);
673
674    // 60000 is chosen to make sure that each video frame from a 60-fps
675    // video has 1000 ticks.
676    if (timeScale < 600 || timeScale > 60000) {
677        ALOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale);
678        return BAD_VALUE;
679    }
680    mVideoTimeScale = timeScale;
681    return OK;
682}
683
684status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) {
685    ALOGV("setParamAudioTimeScale: %d", timeScale);
686
687    // 96000 Hz is the highest sampling rate support in AAC.
688    if (timeScale < 600 || timeScale > 96000) {
689        ALOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale);
690        return BAD_VALUE;
691    }
692    mAudioTimeScale = timeScale;
693    return OK;
694}
695
696status_t StagefrightRecorder::setParamCaptureFpsEnable(int32_t captureFpsEnable) {
697    ALOGV("setParamCaptureFpsEnable: %d", captureFpsEnable);
698
699    if(captureFpsEnable == 0) {
700        mCaptureFpsEnable = false;
701    } else if (captureFpsEnable == 1) {
702        mCaptureFpsEnable = true;
703    } else {
704        return BAD_VALUE;
705    }
706    return OK;
707}
708
709status_t StagefrightRecorder::setParamCaptureFps(double fps) {
710    ALOGV("setParamCaptureFps: %.2f", fps);
711
712    if (!(fps >= 1.0 / 86400)) {
713        ALOGE("FPS is too small");
714        return BAD_VALUE;
715    }
716    mCaptureFps = fps;
717    return OK;
718}
719
720status_t StagefrightRecorder::setParamGeoDataLongitude(
721    int64_t longitudex10000) {
722
723    if (longitudex10000 > 1800000 || longitudex10000 < -1800000) {
724        return BAD_VALUE;
725    }
726    mLongitudex10000 = longitudex10000;
727    return OK;
728}
729
730status_t StagefrightRecorder::setParamGeoDataLatitude(
731    int64_t latitudex10000) {
732
733    if (latitudex10000 > 900000 || latitudex10000 < -900000) {
734        return BAD_VALUE;
735    }
736    mLatitudex10000 = latitudex10000;
737    return OK;
738}
739
740status_t StagefrightRecorder::setParameter(
741        const String8 &key, const String8 &value) {
742    ALOGV("setParameter: key (%s) => value (%s)", key.string(), value.string());
743    if (key == "max-duration") {
744        int64_t max_duration_ms;
745        if (safe_strtoi64(value.string(), &max_duration_ms)) {
746            return setParamMaxFileDurationUs(1000LL * max_duration_ms);
747        }
748    } else if (key == "max-filesize") {
749        int64_t max_filesize_bytes;
750        if (safe_strtoi64(value.string(), &max_filesize_bytes)) {
751            return setParamMaxFileSizeBytes(max_filesize_bytes);
752        }
753    } else if (key == "interleave-duration-us") {
754        int32_t durationUs;
755        if (safe_strtoi32(value.string(), &durationUs)) {
756            return setParamInterleaveDuration(durationUs);
757        }
758    } else if (key == "param-movie-time-scale") {
759        int32_t timeScale;
760        if (safe_strtoi32(value.string(), &timeScale)) {
761            return setParamMovieTimeScale(timeScale);
762        }
763    } else if (key == "param-use-64bit-offset") {
764        int32_t use64BitOffset;
765        if (safe_strtoi32(value.string(), &use64BitOffset)) {
766            return setParam64BitFileOffset(use64BitOffset != 0);
767        }
768    } else if (key == "param-geotag-longitude") {
769        int64_t longitudex10000;
770        if (safe_strtoi64(value.string(), &longitudex10000)) {
771            return setParamGeoDataLongitude(longitudex10000);
772        }
773    } else if (key == "param-geotag-latitude") {
774        int64_t latitudex10000;
775        if (safe_strtoi64(value.string(), &latitudex10000)) {
776            return setParamGeoDataLatitude(latitudex10000);
777        }
778    } else if (key == "param-track-time-status") {
779        int64_t timeDurationUs;
780        if (safe_strtoi64(value.string(), &timeDurationUs)) {
781            return setParamTrackTimeStatus(timeDurationUs);
782        }
783    } else if (key == "audio-param-sampling-rate") {
784        int32_t sampling_rate;
785        if (safe_strtoi32(value.string(), &sampling_rate)) {
786            return setParamAudioSamplingRate(sampling_rate);
787        }
788    } else if (key == "audio-param-number-of-channels") {
789        int32_t number_of_channels;
790        if (safe_strtoi32(value.string(), &number_of_channels)) {
791            return setParamAudioNumberOfChannels(number_of_channels);
792        }
793    } else if (key == "audio-param-encoding-bitrate") {
794        int32_t audio_bitrate;
795        if (safe_strtoi32(value.string(), &audio_bitrate)) {
796            return setParamAudioEncodingBitRate(audio_bitrate);
797        }
798    } else if (key == "audio-param-time-scale") {
799        int32_t timeScale;
800        if (safe_strtoi32(value.string(), &timeScale)) {
801            return setParamAudioTimeScale(timeScale);
802        }
803    } else if (key == "video-param-encoding-bitrate") {
804        int32_t video_bitrate;
805        if (safe_strtoi32(value.string(), &video_bitrate)) {
806            return setParamVideoEncodingBitRate(video_bitrate);
807        }
808    } else if (key == "video-param-rotation-angle-degrees") {
809        int32_t degrees;
810        if (safe_strtoi32(value.string(), &degrees)) {
811            return setParamVideoRotation(degrees);
812        }
813    } else if (key == "video-param-i-frames-interval") {
814        int32_t seconds;
815        if (safe_strtoi32(value.string(), &seconds)) {
816            return setParamVideoIFramesInterval(seconds);
817        }
818    } else if (key == "video-param-encoder-profile") {
819        int32_t profile;
820        if (safe_strtoi32(value.string(), &profile)) {
821            return setParamVideoEncoderProfile(profile);
822        }
823    } else if (key == "video-param-encoder-level") {
824        int32_t level;
825        if (safe_strtoi32(value.string(), &level)) {
826            return setParamVideoEncoderLevel(level);
827        }
828    } else if (key == "video-param-camera-id") {
829        int32_t cameraId;
830        if (safe_strtoi32(value.string(), &cameraId)) {
831            return setParamVideoCameraId(cameraId);
832        }
833    } else if (key == "video-param-time-scale") {
834        int32_t timeScale;
835        if (safe_strtoi32(value.string(), &timeScale)) {
836            return setParamVideoTimeScale(timeScale);
837        }
838    } else if (key == "time-lapse-enable") {
839        int32_t captureFpsEnable;
840        if (safe_strtoi32(value.string(), &captureFpsEnable)) {
841            return setParamCaptureFpsEnable(captureFpsEnable);
842        }
843    } else if (key == "time-lapse-fps") {
844        double fps;
845        if (safe_strtod(value.string(), &fps)) {
846            return setParamCaptureFps(fps);
847        }
848    } else {
849        ALOGE("setParameter: failed to find key %s", key.string());
850    }
851    return BAD_VALUE;
852}
853
854status_t StagefrightRecorder::setParameters(const String8 &params) {
855    ALOGV("setParameters: %s", params.string());
856    const char *cparams = params.string();
857    const char *key_start = cparams;
858    for (;;) {
859        const char *equal_pos = strchr(key_start, '=');
860        if (equal_pos == NULL) {
861            ALOGE("Parameters %s miss a value", cparams);
862            return BAD_VALUE;
863        }
864        String8 key(key_start, equal_pos - key_start);
865        TrimString(&key);
866        if (key.length() == 0) {
867            ALOGE("Parameters %s contains an empty key", cparams);
868            return BAD_VALUE;
869        }
870        const char *value_start = equal_pos + 1;
871        const char *semicolon_pos = strchr(value_start, ';');
872        String8 value;
873        if (semicolon_pos == NULL) {
874            value.setTo(value_start);
875        } else {
876            value.setTo(value_start, semicolon_pos - value_start);
877        }
878        if (setParameter(key, value) != OK) {
879            return BAD_VALUE;
880        }
881        if (semicolon_pos == NULL) {
882            break;  // Reaches the end
883        }
884        key_start = semicolon_pos + 1;
885    }
886    return OK;
887}
888
889status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) {
890    mListener = listener;
891
892    return OK;
893}
894
895status_t StagefrightRecorder::setClientName(const String16& clientName) {
896    mClientName = clientName;
897
898    return OK;
899}
900
901status_t StagefrightRecorder::prepareInternal() {
902    ALOGV("prepare");
903    if (mOutputFd < 0) {
904        ALOGE("Output file descriptor is invalid");
905        return INVALID_OPERATION;
906    }
907
908    // Get UID and PID here for permission checking
909    mClientUid = IPCThreadState::self()->getCallingUid();
910    mClientPid = IPCThreadState::self()->getCallingPid();
911
912    status_t status = OK;
913
914    switch (mOutputFormat) {
915        case OUTPUT_FORMAT_DEFAULT:
916        case OUTPUT_FORMAT_THREE_GPP:
917        case OUTPUT_FORMAT_MPEG_4:
918        case OUTPUT_FORMAT_WEBM:
919            status = setupMPEG4orWEBMRecording();
920            break;
921
922        case OUTPUT_FORMAT_AMR_NB:
923        case OUTPUT_FORMAT_AMR_WB:
924            status = setupAMRRecording();
925            break;
926
927        case OUTPUT_FORMAT_AAC_ADIF:
928        case OUTPUT_FORMAT_AAC_ADTS:
929            status = setupAACRecording();
930            break;
931
932        case OUTPUT_FORMAT_RTP_AVP:
933            status = setupRTPRecording();
934            break;
935
936        case OUTPUT_FORMAT_MPEG2TS:
937            status = setupMPEG2TSRecording();
938            break;
939
940        default:
941            ALOGE("Unsupported output file format: %d", mOutputFormat);
942            status = UNKNOWN_ERROR;
943            break;
944    }
945
946    ALOGV("Recording frameRate: %d captureFps: %f",
947            mFrameRate, mCaptureFps);
948
949    return status;
950}
951
952status_t StagefrightRecorder::prepare() {
953    ALOGV("prepare");
954    Mutex::Autolock autolock(mLock);
955    if (mVideoSource == VIDEO_SOURCE_SURFACE) {
956        return prepareInternal();
957    }
958    return OK;
959}
960
961status_t StagefrightRecorder::start() {
962    ALOGV("start");
963    Mutex::Autolock autolock(mLock);
964    if (mOutputFd < 0) {
965        ALOGE("Output file descriptor is invalid");
966        return INVALID_OPERATION;
967    }
968
969    status_t status = OK;
970
971    if (mVideoSource != VIDEO_SOURCE_SURFACE) {
972        status = prepareInternal();
973        if (status != OK) {
974            return status;
975        }
976    }
977
978    if (mWriter == NULL) {
979        ALOGE("File writer is not avaialble");
980        return UNKNOWN_ERROR;
981    }
982
983    switch (mOutputFormat) {
984        case OUTPUT_FORMAT_DEFAULT:
985        case OUTPUT_FORMAT_THREE_GPP:
986        case OUTPUT_FORMAT_MPEG_4:
987        case OUTPUT_FORMAT_WEBM:
988        {
989            bool isMPEG4 = true;
990            if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
991                isMPEG4 = false;
992            }
993            sp<MetaData> meta = new MetaData;
994            setupMPEG4orWEBMMetaData(&meta);
995            status = mWriter->start(meta.get());
996            break;
997        }
998
999        case OUTPUT_FORMAT_AMR_NB:
1000        case OUTPUT_FORMAT_AMR_WB:
1001        case OUTPUT_FORMAT_AAC_ADIF:
1002        case OUTPUT_FORMAT_AAC_ADTS:
1003        case OUTPUT_FORMAT_RTP_AVP:
1004        case OUTPUT_FORMAT_MPEG2TS:
1005        {
1006            sp<MetaData> meta = new MetaData;
1007            int64_t startTimeUs = systemTime() / 1000;
1008            meta->setInt64(kKeyTime, startTimeUs);
1009            status = mWriter->start(meta.get());
1010            break;
1011        }
1012
1013        default:
1014        {
1015            ALOGE("Unsupported output file format: %d", mOutputFormat);
1016            status = UNKNOWN_ERROR;
1017            break;
1018        }
1019    }
1020
1021    if (status != OK) {
1022        mWriter.clear();
1023        mWriter = NULL;
1024    }
1025
1026    if ((status == OK) && (!mStarted)) {
1027        mAnalyticsDirty = true;
1028        mStarted = true;
1029
1030        uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted;
1031        if (mAudioSource != AUDIO_SOURCE_CNT) {
1032            params |= IMediaPlayerService::kBatteryDataTrackAudio;
1033        }
1034        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
1035            params |= IMediaPlayerService::kBatteryDataTrackVideo;
1036        }
1037
1038        addBatteryData(params);
1039    }
1040
1041    return status;
1042}
1043
1044sp<MediaCodecSource> StagefrightRecorder::createAudioSource() {
1045    int32_t sourceSampleRate = mSampleRate;
1046
1047    if (mCaptureFpsEnable && mCaptureFps >= mFrameRate) {
1048        // Upscale the sample rate for slow motion recording.
1049        // Fail audio source creation if source sample rate is too high, as it could
1050        // cause out-of-memory due to large input buffer size. And audio recording
1051        // probably doesn't make sense in the scenario, since the slow-down factor
1052        // is probably huge (eg. mSampleRate=48K, mCaptureFps=240, mFrameRate=1).
1053        const static int32_t SAMPLE_RATE_HZ_MAX = 192000;
1054        sourceSampleRate =
1055                (mSampleRate * mCaptureFps + mFrameRate / 2) / mFrameRate;
1056        if (sourceSampleRate < mSampleRate || sourceSampleRate > SAMPLE_RATE_HZ_MAX) {
1057            ALOGE("source sample rate out of range! "
1058                    "(mSampleRate %d, mCaptureFps %.2f, mFrameRate %d",
1059                    mSampleRate, mCaptureFps, mFrameRate);
1060            return NULL;
1061        }
1062    }
1063
1064    sp<AudioSource> audioSource =
1065        new AudioSource(
1066                mAudioSource,
1067                mOpPackageName,
1068                sourceSampleRate,
1069                mAudioChannels,
1070                mSampleRate,
1071                mClientUid,
1072                mClientPid);
1073
1074    status_t err = audioSource->initCheck();
1075
1076    if (err != OK) {
1077        ALOGE("audio source is not initialized");
1078        return NULL;
1079    }
1080
1081    sp<AMessage> format = new AMessage;
1082    switch (mAudioEncoder) {
1083        case AUDIO_ENCODER_AMR_NB:
1084        case AUDIO_ENCODER_DEFAULT:
1085            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
1086            break;
1087        case AUDIO_ENCODER_AMR_WB:
1088            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
1089            break;
1090        case AUDIO_ENCODER_AAC:
1091            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
1092            format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC);
1093            break;
1094        case AUDIO_ENCODER_HE_AAC:
1095            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
1096            format->setInt32("aac-profile", OMX_AUDIO_AACObjectHE);
1097            break;
1098        case AUDIO_ENCODER_AAC_ELD:
1099            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
1100            format->setInt32("aac-profile", OMX_AUDIO_AACObjectELD);
1101            break;
1102
1103        default:
1104            ALOGE("Unknown audio encoder: %d", mAudioEncoder);
1105            return NULL;
1106    }
1107
1108    int32_t maxInputSize;
1109    CHECK(audioSource->getFormat()->findInt32(
1110                kKeyMaxInputSize, &maxInputSize));
1111
1112    format->setInt32("max-input-size", maxInputSize);
1113    format->setInt32("channel-count", mAudioChannels);
1114    format->setInt32("sample-rate", mSampleRate);
1115    format->setInt32("bitrate", mAudioBitRate);
1116    if (mAudioTimeScale > 0) {
1117        format->setInt32("time-scale", mAudioTimeScale);
1118    }
1119    format->setInt32("priority", 0 /* realtime */);
1120
1121    sp<MediaCodecSource> audioEncoder =
1122            MediaCodecSource::Create(mLooper, format, audioSource);
1123    mAudioSourceNode = audioSource;
1124
1125    if (audioEncoder == NULL) {
1126        ALOGE("Failed to create audio encoder");
1127    }
1128
1129    return audioEncoder;
1130}
1131
1132status_t StagefrightRecorder::setupAACRecording() {
1133    // FIXME:
1134    // Add support for OUTPUT_FORMAT_AAC_ADIF
1135    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_AAC_ADTS);
1136
1137    CHECK(mAudioEncoder == AUDIO_ENCODER_AAC ||
1138          mAudioEncoder == AUDIO_ENCODER_HE_AAC ||
1139          mAudioEncoder == AUDIO_ENCODER_AAC_ELD);
1140    CHECK(mAudioSource != AUDIO_SOURCE_CNT);
1141
1142    mWriter = new AACWriter(mOutputFd);
1143    return setupRawAudioRecording();
1144}
1145
1146status_t StagefrightRecorder::setupAMRRecording() {
1147    CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
1148          mOutputFormat == OUTPUT_FORMAT_AMR_WB);
1149
1150    if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) {
1151        if (mAudioEncoder != AUDIO_ENCODER_DEFAULT &&
1152            mAudioEncoder != AUDIO_ENCODER_AMR_NB) {
1153            ALOGE("Invalid encoder %d used for AMRNB recording",
1154                    mAudioEncoder);
1155            return BAD_VALUE;
1156        }
1157    } else {  // mOutputFormat must be OUTPUT_FORMAT_AMR_WB
1158        if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) {
1159            ALOGE("Invlaid encoder %d used for AMRWB recording",
1160                    mAudioEncoder);
1161            return BAD_VALUE;
1162        }
1163    }
1164
1165    mWriter = new AMRWriter(mOutputFd);
1166    return setupRawAudioRecording();
1167}
1168
1169status_t StagefrightRecorder::setupRawAudioRecording() {
1170    if (mAudioSource >= AUDIO_SOURCE_CNT && mAudioSource != AUDIO_SOURCE_FM_TUNER) {
1171        ALOGE("Invalid audio source: %d", mAudioSource);
1172        return BAD_VALUE;
1173    }
1174
1175    status_t status = BAD_VALUE;
1176    if (OK != (status = checkAudioEncoderCapabilities())) {
1177        return status;
1178    }
1179
1180    sp<MediaCodecSource> audioEncoder = createAudioSource();
1181    if (audioEncoder == NULL) {
1182        return UNKNOWN_ERROR;
1183    }
1184
1185    CHECK(mWriter != 0);
1186    mWriter->addSource(audioEncoder);
1187    mAudioEncoderSource = audioEncoder;
1188
1189    if (mMaxFileDurationUs != 0) {
1190        mWriter->setMaxFileDuration(mMaxFileDurationUs);
1191    }
1192    if (mMaxFileSizeBytes != 0) {
1193        mWriter->setMaxFileSize(mMaxFileSizeBytes);
1194    }
1195    mWriter->setListener(mListener);
1196
1197    return OK;
1198}
1199
1200status_t StagefrightRecorder::setupRTPRecording() {
1201    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
1202
1203    if ((mAudioSource != AUDIO_SOURCE_CNT
1204                && mVideoSource != VIDEO_SOURCE_LIST_END)
1205            || (mAudioSource == AUDIO_SOURCE_CNT
1206                && mVideoSource == VIDEO_SOURCE_LIST_END)) {
1207        // Must have exactly one source.
1208        return BAD_VALUE;
1209    }
1210
1211    if (mOutputFd < 0) {
1212        return BAD_VALUE;
1213    }
1214
1215    sp<MediaCodecSource> source;
1216
1217    if (mAudioSource != AUDIO_SOURCE_CNT) {
1218        source = createAudioSource();
1219        mAudioEncoderSource = source;
1220    } else {
1221        setDefaultVideoEncoderIfNecessary();
1222
1223        sp<MediaSource> mediaSource;
1224        status_t err = setupMediaSource(&mediaSource);
1225        if (err != OK) {
1226            return err;
1227        }
1228
1229        err = setupVideoEncoder(mediaSource, &source);
1230        if (err != OK) {
1231            return err;
1232        }
1233        mVideoEncoderSource = source;
1234    }
1235
1236    mWriter = new ARTPWriter(mOutputFd);
1237    mWriter->addSource(source);
1238    mWriter->setListener(mListener);
1239
1240    return OK;
1241}
1242
1243status_t StagefrightRecorder::setupMPEG2TSRecording() {
1244    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
1245
1246    sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd);
1247
1248    if (mAudioSource != AUDIO_SOURCE_CNT) {
1249        if (mAudioEncoder != AUDIO_ENCODER_AAC &&
1250            mAudioEncoder != AUDIO_ENCODER_HE_AAC &&
1251            mAudioEncoder != AUDIO_ENCODER_AAC_ELD) {
1252            return ERROR_UNSUPPORTED;
1253        }
1254
1255        status_t err = setupAudioEncoder(writer);
1256
1257        if (err != OK) {
1258            return err;
1259        }
1260    }
1261
1262    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1263        if (mVideoEncoder != VIDEO_ENCODER_H264) {
1264            ALOGE("MPEG2TS recording only supports H.264 encoding!");
1265            return ERROR_UNSUPPORTED;
1266        }
1267
1268        sp<MediaSource> mediaSource;
1269        status_t err = setupMediaSource(&mediaSource);
1270        if (err != OK) {
1271            return err;
1272        }
1273
1274        sp<MediaCodecSource> encoder;
1275        err = setupVideoEncoder(mediaSource, &encoder);
1276
1277        if (err != OK) {
1278            return err;
1279        }
1280
1281        writer->addSource(encoder);
1282        mVideoEncoderSource = encoder;
1283    }
1284
1285    if (mMaxFileDurationUs != 0) {
1286        writer->setMaxFileDuration(mMaxFileDurationUs);
1287    }
1288
1289    if (mMaxFileSizeBytes != 0) {
1290        writer->setMaxFileSize(mMaxFileSizeBytes);
1291    }
1292
1293    mWriter = writer;
1294
1295    return OK;
1296}
1297
1298void StagefrightRecorder::clipVideoFrameRate() {
1299    ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
1300    if (mFrameRate == -1) {
1301        mFrameRate = mEncoderProfiles->getCamcorderProfileParamByName(
1302                "vid.fps", mCameraId, CAMCORDER_QUALITY_LOW);
1303        ALOGW("Using default video fps %d", mFrameRate);
1304    }
1305
1306    int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1307                        "enc.vid.fps.min", mVideoEncoder);
1308    int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1309                        "enc.vid.fps.max", mVideoEncoder);
1310    if (mFrameRate < minFrameRate && minFrameRate != -1) {
1311        ALOGW("Intended video encoding frame rate (%d fps) is too small"
1312             " and will be set to (%d fps)", mFrameRate, minFrameRate);
1313        mFrameRate = minFrameRate;
1314    } else if (mFrameRate > maxFrameRate && maxFrameRate != -1) {
1315        ALOGW("Intended video encoding frame rate (%d fps) is too large"
1316             " and will be set to (%d fps)", mFrameRate, maxFrameRate);
1317        mFrameRate = maxFrameRate;
1318    }
1319}
1320
1321void StagefrightRecorder::clipVideoBitRate() {
1322    ALOGV("clipVideoBitRate: encoder %d", mVideoEncoder);
1323    int minBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1324                        "enc.vid.bps.min", mVideoEncoder);
1325    int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1326                        "enc.vid.bps.max", mVideoEncoder);
1327    if (mVideoBitRate < minBitRate && minBitRate != -1) {
1328        ALOGW("Intended video encoding bit rate (%d bps) is too small"
1329             " and will be set to (%d bps)", mVideoBitRate, minBitRate);
1330        mVideoBitRate = minBitRate;
1331    } else if (mVideoBitRate > maxBitRate && maxBitRate != -1) {
1332        ALOGW("Intended video encoding bit rate (%d bps) is too large"
1333             " and will be set to (%d bps)", mVideoBitRate, maxBitRate);
1334        mVideoBitRate = maxBitRate;
1335    }
1336}
1337
1338void StagefrightRecorder::clipVideoFrameWidth() {
1339    ALOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder);
1340    int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1341                        "enc.vid.width.min", mVideoEncoder);
1342    int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1343                        "enc.vid.width.max", mVideoEncoder);
1344    if (mVideoWidth < minFrameWidth && minFrameWidth != -1) {
1345        ALOGW("Intended video encoding frame width (%d) is too small"
1346             " and will be set to (%d)", mVideoWidth, minFrameWidth);
1347        mVideoWidth = minFrameWidth;
1348    } else if (mVideoWidth > maxFrameWidth && maxFrameWidth != -1) {
1349        ALOGW("Intended video encoding frame width (%d) is too large"
1350             " and will be set to (%d)", mVideoWidth, maxFrameWidth);
1351        mVideoWidth = maxFrameWidth;
1352    }
1353}
1354
1355status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
1356    if (!mCaptureFpsEnable) {
1357        // Dont clip for time lapse capture as encoder will have enough
1358        // time to encode because of slow capture rate of time lapse.
1359        clipVideoBitRate();
1360        clipVideoFrameRate();
1361        clipVideoFrameWidth();
1362        clipVideoFrameHeight();
1363        setDefaultProfileIfNecessary();
1364    }
1365    return OK;
1366}
1367
1368// Set to use AVC baseline profile if the encoding parameters matches
1369// CAMCORDER_QUALITY_LOW profile; this is for the sake of MMS service.
1370void StagefrightRecorder::setDefaultProfileIfNecessary() {
1371    ALOGV("setDefaultProfileIfNecessary");
1372
1373    camcorder_quality quality = CAMCORDER_QUALITY_LOW;
1374
1375    int64_t durationUs   = mEncoderProfiles->getCamcorderProfileParamByName(
1376                                "duration", mCameraId, quality) * 1000000LL;
1377
1378    int fileFormat       = mEncoderProfiles->getCamcorderProfileParamByName(
1379                                "file.format", mCameraId, quality);
1380
1381    int videoCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1382                                "vid.codec", mCameraId, quality);
1383
1384    int videoBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1385                                "vid.bps", mCameraId, quality);
1386
1387    int videoFrameRate   = mEncoderProfiles->getCamcorderProfileParamByName(
1388                                "vid.fps", mCameraId, quality);
1389
1390    int videoFrameWidth  = mEncoderProfiles->getCamcorderProfileParamByName(
1391                                "vid.width", mCameraId, quality);
1392
1393    int videoFrameHeight = mEncoderProfiles->getCamcorderProfileParamByName(
1394                                "vid.height", mCameraId, quality);
1395
1396    int audioCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1397                                "aud.codec", mCameraId, quality);
1398
1399    int audioBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1400                                "aud.bps", mCameraId, quality);
1401
1402    int audioSampleRate  = mEncoderProfiles->getCamcorderProfileParamByName(
1403                                "aud.hz", mCameraId, quality);
1404
1405    int audioChannels    = mEncoderProfiles->getCamcorderProfileParamByName(
1406                                "aud.ch", mCameraId, quality);
1407
1408    if (durationUs == mMaxFileDurationUs &&
1409        fileFormat == mOutputFormat &&
1410        videoCodec == mVideoEncoder &&
1411        videoBitRate == mVideoBitRate &&
1412        videoFrameRate == mFrameRate &&
1413        videoFrameWidth == mVideoWidth &&
1414        videoFrameHeight == mVideoHeight &&
1415        audioCodec == mAudioEncoder &&
1416        audioBitRate == mAudioBitRate &&
1417        audioSampleRate == mSampleRate &&
1418        audioChannels == mAudioChannels) {
1419        if (videoCodec == VIDEO_ENCODER_H264) {
1420            ALOGI("Force to use AVC baseline profile");
1421            setParamVideoEncoderProfile(OMX_VIDEO_AVCProfileBaseline);
1422            // set 0 for invalid levels - this will be rejected by the
1423            // codec if it cannot handle it during configure
1424            setParamVideoEncoderLevel(ACodec::getAVCLevelFor(
1425                    videoFrameWidth, videoFrameHeight, videoFrameRate, videoBitRate));
1426        }
1427    }
1428}
1429
1430void StagefrightRecorder::setDefaultVideoEncoderIfNecessary() {
1431    if (mVideoEncoder == VIDEO_ENCODER_DEFAULT) {
1432        if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1433            // default to VP8 for WEBM recording
1434            mVideoEncoder = VIDEO_ENCODER_VP8;
1435        } else {
1436            // pick the default encoder for CAMCORDER_QUALITY_LOW
1437            int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName(
1438                    "vid.codec", mCameraId, CAMCORDER_QUALITY_LOW);
1439
1440            if (videoCodec > VIDEO_ENCODER_DEFAULT &&
1441                videoCodec < VIDEO_ENCODER_LIST_END) {
1442                mVideoEncoder = (video_encoder)videoCodec;
1443            } else {
1444                // default to H.264 if camcorder profile not available
1445                mVideoEncoder = VIDEO_ENCODER_H264;
1446            }
1447        }
1448    }
1449}
1450
1451status_t StagefrightRecorder::checkAudioEncoderCapabilities() {
1452    clipAudioBitRate();
1453    clipAudioSampleRate();
1454    clipNumberOfAudioChannels();
1455    return OK;
1456}
1457
1458void StagefrightRecorder::clipAudioBitRate() {
1459    ALOGV("clipAudioBitRate: encoder %d", mAudioEncoder);
1460
1461    int minAudioBitRate =
1462            mEncoderProfiles->getAudioEncoderParamByName(
1463                "enc.aud.bps.min", mAudioEncoder);
1464    if (minAudioBitRate != -1 && mAudioBitRate < minAudioBitRate) {
1465        ALOGW("Intended audio encoding bit rate (%d) is too small"
1466            " and will be set to (%d)", mAudioBitRate, minAudioBitRate);
1467        mAudioBitRate = minAudioBitRate;
1468    }
1469
1470    int maxAudioBitRate =
1471            mEncoderProfiles->getAudioEncoderParamByName(
1472                "enc.aud.bps.max", mAudioEncoder);
1473    if (maxAudioBitRate != -1 && mAudioBitRate > maxAudioBitRate) {
1474        ALOGW("Intended audio encoding bit rate (%d) is too large"
1475            " and will be set to (%d)", mAudioBitRate, maxAudioBitRate);
1476        mAudioBitRate = maxAudioBitRate;
1477    }
1478}
1479
1480void StagefrightRecorder::clipAudioSampleRate() {
1481    ALOGV("clipAudioSampleRate: encoder %d", mAudioEncoder);
1482
1483    int minSampleRate =
1484            mEncoderProfiles->getAudioEncoderParamByName(
1485                "enc.aud.hz.min", mAudioEncoder);
1486    if (minSampleRate != -1 && mSampleRate < minSampleRate) {
1487        ALOGW("Intended audio sample rate (%d) is too small"
1488            " and will be set to (%d)", mSampleRate, minSampleRate);
1489        mSampleRate = minSampleRate;
1490    }
1491
1492    int maxSampleRate =
1493            mEncoderProfiles->getAudioEncoderParamByName(
1494                "enc.aud.hz.max", mAudioEncoder);
1495    if (maxSampleRate != -1 && mSampleRate > maxSampleRate) {
1496        ALOGW("Intended audio sample rate (%d) is too large"
1497            " and will be set to (%d)", mSampleRate, maxSampleRate);
1498        mSampleRate = maxSampleRate;
1499    }
1500}
1501
1502void StagefrightRecorder::clipNumberOfAudioChannels() {
1503    ALOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder);
1504
1505    int minChannels =
1506            mEncoderProfiles->getAudioEncoderParamByName(
1507                "enc.aud.ch.min", mAudioEncoder);
1508    if (minChannels != -1 && mAudioChannels < minChannels) {
1509        ALOGW("Intended number of audio channels (%d) is too small"
1510            " and will be set to (%d)", mAudioChannels, minChannels);
1511        mAudioChannels = minChannels;
1512    }
1513
1514    int maxChannels =
1515            mEncoderProfiles->getAudioEncoderParamByName(
1516                "enc.aud.ch.max", mAudioEncoder);
1517    if (maxChannels != -1 && mAudioChannels > maxChannels) {
1518        ALOGW("Intended number of audio channels (%d) is too large"
1519            " and will be set to (%d)", mAudioChannels, maxChannels);
1520        mAudioChannels = maxChannels;
1521    }
1522}
1523
1524void StagefrightRecorder::clipVideoFrameHeight() {
1525    ALOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder);
1526    int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1527                        "enc.vid.height.min", mVideoEncoder);
1528    int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1529                        "enc.vid.height.max", mVideoEncoder);
1530    if (minFrameHeight != -1 && mVideoHeight < minFrameHeight) {
1531        ALOGW("Intended video encoding frame height (%d) is too small"
1532             " and will be set to (%d)", mVideoHeight, minFrameHeight);
1533        mVideoHeight = minFrameHeight;
1534    } else if (maxFrameHeight != -1 && mVideoHeight > maxFrameHeight) {
1535        ALOGW("Intended video encoding frame height (%d) is too large"
1536             " and will be set to (%d)", mVideoHeight, maxFrameHeight);
1537        mVideoHeight = maxFrameHeight;
1538    }
1539}
1540
1541// Set up the appropriate MediaSource depending on the chosen option
1542status_t StagefrightRecorder::setupMediaSource(
1543                      sp<MediaSource> *mediaSource) {
1544    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1545            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1546        sp<CameraSource> cameraSource;
1547        status_t err = setupCameraSource(&cameraSource);
1548        if (err != OK) {
1549            return err;
1550        }
1551        *mediaSource = cameraSource;
1552    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1553        *mediaSource = NULL;
1554    } else {
1555        return INVALID_OPERATION;
1556    }
1557    return OK;
1558}
1559
1560status_t StagefrightRecorder::setupCameraSource(
1561        sp<CameraSource> *cameraSource) {
1562    status_t err = OK;
1563    if ((err = checkVideoEncoderCapabilities()) != OK) {
1564        return err;
1565    }
1566    Size videoSize;
1567    videoSize.width = mVideoWidth;
1568    videoSize.height = mVideoHeight;
1569    if (mCaptureFpsEnable) {
1570        if (!(mCaptureFps > 0.)) {
1571            ALOGE("Invalid mCaptureFps value: %lf", mCaptureFps);
1572            return BAD_VALUE;
1573        }
1574
1575        mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
1576                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1577                videoSize, mFrameRate, mPreviewSurface,
1578                std::llround(1e6 / mCaptureFps));
1579        *cameraSource = mCameraSourceTimeLapse;
1580    } else {
1581        *cameraSource = CameraSource::CreateFromCamera(
1582                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1583                videoSize, mFrameRate,
1584                mPreviewSurface);
1585    }
1586    mCamera.clear();
1587    mCameraProxy.clear();
1588    if (*cameraSource == NULL) {
1589        return UNKNOWN_ERROR;
1590    }
1591
1592    if ((*cameraSource)->initCheck() != OK) {
1593        (*cameraSource).clear();
1594        *cameraSource = NULL;
1595        return NO_INIT;
1596    }
1597
1598    // When frame rate is not set, the actual frame rate will be set to
1599    // the current frame rate being used.
1600    if (mFrameRate == -1) {
1601        int32_t frameRate = 0;
1602        CHECK ((*cameraSource)->getFormat()->findInt32(
1603                    kKeyFrameRate, &frameRate));
1604        ALOGI("Frame rate is not explicitly set. Use the current frame "
1605             "rate (%d fps)", frameRate);
1606        mFrameRate = frameRate;
1607    }
1608
1609    CHECK(mFrameRate != -1);
1610
1611    mMetaDataStoredInVideoBuffers =
1612        (*cameraSource)->metaDataStoredInVideoBuffers();
1613
1614    return OK;
1615}
1616
1617status_t StagefrightRecorder::setupVideoEncoder(
1618        const sp<MediaSource> &cameraSource,
1619        sp<MediaCodecSource> *source) {
1620    source->clear();
1621
1622    sp<AMessage> format = new AMessage();
1623
1624    switch (mVideoEncoder) {
1625        case VIDEO_ENCODER_H263:
1626            format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
1627            break;
1628
1629        case VIDEO_ENCODER_MPEG_4_SP:
1630            format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
1631            break;
1632
1633        case VIDEO_ENCODER_H264:
1634            format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
1635            break;
1636
1637        case VIDEO_ENCODER_VP8:
1638            format->setString("mime", MEDIA_MIMETYPE_VIDEO_VP8);
1639            break;
1640
1641        case VIDEO_ENCODER_HEVC:
1642            format->setString("mime", MEDIA_MIMETYPE_VIDEO_HEVC);
1643            break;
1644
1645        default:
1646            CHECK(!"Should not be here, unsupported video encoding.");
1647            break;
1648    }
1649
1650    if (cameraSource != NULL) {
1651        sp<MetaData> meta = cameraSource->getFormat();
1652
1653        int32_t width, height, stride, sliceHeight, colorFormat;
1654        CHECK(meta->findInt32(kKeyWidth, &width));
1655        CHECK(meta->findInt32(kKeyHeight, &height));
1656        CHECK(meta->findInt32(kKeyStride, &stride));
1657        CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
1658        CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
1659
1660        format->setInt32("width", width);
1661        format->setInt32("height", height);
1662        format->setInt32("stride", stride);
1663        format->setInt32("slice-height", sliceHeight);
1664        format->setInt32("color-format", colorFormat);
1665    } else {
1666        format->setInt32("width", mVideoWidth);
1667        format->setInt32("height", mVideoHeight);
1668        format->setInt32("stride", mVideoWidth);
1669        format->setInt32("slice-height", mVideoHeight);
1670        format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque);
1671
1672        // set up time lapse/slow motion for surface source
1673        if (mCaptureFpsEnable) {
1674            if (!(mCaptureFps > 0.)) {
1675                ALOGE("Invalid mCaptureFps value: %lf", mCaptureFps);
1676                return BAD_VALUE;
1677            }
1678            format->setDouble("time-lapse-fps", mCaptureFps);
1679        }
1680    }
1681
1682    format->setInt32("bitrate", mVideoBitRate);
1683    format->setInt32("frame-rate", mFrameRate);
1684    format->setInt32("i-frame-interval", mIFramesIntervalSec);
1685
1686    if (mVideoTimeScale > 0) {
1687        format->setInt32("time-scale", mVideoTimeScale);
1688    }
1689    if (mVideoEncoderProfile != -1) {
1690        format->setInt32("profile", mVideoEncoderProfile);
1691    }
1692    if (mVideoEncoderLevel != -1) {
1693        format->setInt32("level", mVideoEncoderLevel);
1694    }
1695
1696    uint32_t tsLayers = 1;
1697    bool preferBFrames = true; // we like B-frames as it produces better quality per bitrate
1698    format->setInt32("priority", 0 /* realtime */);
1699    float maxPlaybackFps = mFrameRate; // assume video is only played back at normal speed
1700
1701    if (mCaptureFpsEnable) {
1702        format->setFloat("operating-rate", mCaptureFps);
1703
1704        // enable layering for all time lapse and high frame rate recordings
1705        if (mFrameRate / mCaptureFps >= 1.9) { // time lapse
1706            preferBFrames = false;
1707            tsLayers = 2; // use at least two layers as resulting video will likely be sped up
1708        } else if (mCaptureFps > maxPlaybackFps) { // slow-mo
1709            maxPlaybackFps = mCaptureFps; // assume video will be played back at full capture speed
1710            preferBFrames = false;
1711        }
1712    }
1713
1714    for (uint32_t tryLayers = 1; tryLayers <= kMaxNumVideoTemporalLayers; ++tryLayers) {
1715        if (tryLayers > tsLayers) {
1716            tsLayers = tryLayers;
1717        }
1718        // keep going until the base layer fps falls below the typical display refresh rate
1719        float baseLayerFps = maxPlaybackFps / (1 << (tryLayers - 1));
1720        if (baseLayerFps < kMinTypicalDisplayRefreshingRate / 0.9) {
1721            break;
1722        }
1723    }
1724
1725    if (tsLayers > 1) {
1726        uint32_t bLayers = std::min(2u, tsLayers - 1); // use up-to 2 B-layers
1727        uint32_t pLayers = tsLayers - bLayers;
1728        format->setString(
1729                "ts-schema", AStringPrintf("android.generic.%u+%u", pLayers, bLayers));
1730
1731        // TODO: some encoders do not support B-frames with temporal layering, and we have a
1732        // different preference based on use-case. We could move this into camera profiles.
1733        format->setInt32("android._prefer-b-frames", preferBFrames);
1734    }
1735
1736    if (mMetaDataStoredInVideoBuffers != kMetadataBufferTypeInvalid) {
1737        format->setInt32("android._input-metadata-buffer-type", mMetaDataStoredInVideoBuffers);
1738    }
1739
1740    uint32_t flags = 0;
1741    if (cameraSource == NULL) {
1742        flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT;
1743    } else {
1744        // require dataspace setup even if not using surface input
1745        format->setInt32("android._using-recorder", 1);
1746    }
1747
1748    sp<MediaCodecSource> encoder = MediaCodecSource::Create(
1749            mLooper, format, cameraSource, mPersistentSurface, flags);
1750    if (encoder == NULL) {
1751        ALOGE("Failed to create video encoder");
1752        // When the encoder fails to be created, we need
1753        // release the camera source due to the camera's lock
1754        // and unlock mechanism.
1755        if (cameraSource != NULL) {
1756            cameraSource->stop();
1757        }
1758        return UNKNOWN_ERROR;
1759    }
1760
1761    if (cameraSource == NULL) {
1762        mGraphicBufferProducer = encoder->getGraphicBufferProducer();
1763    }
1764
1765    *source = encoder;
1766
1767    return OK;
1768}
1769
1770status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) {
1771    status_t status = BAD_VALUE;
1772    if (OK != (status = checkAudioEncoderCapabilities())) {
1773        return status;
1774    }
1775
1776    switch(mAudioEncoder) {
1777        case AUDIO_ENCODER_AMR_NB:
1778        case AUDIO_ENCODER_AMR_WB:
1779        case AUDIO_ENCODER_AAC:
1780        case AUDIO_ENCODER_HE_AAC:
1781        case AUDIO_ENCODER_AAC_ELD:
1782            break;
1783
1784        default:
1785            ALOGE("Unsupported audio encoder: %d", mAudioEncoder);
1786            return UNKNOWN_ERROR;
1787    }
1788
1789    sp<MediaCodecSource> audioEncoder = createAudioSource();
1790    if (audioEncoder == NULL) {
1791        return UNKNOWN_ERROR;
1792    }
1793
1794    writer->addSource(audioEncoder);
1795    mAudioEncoderSource = audioEncoder;
1796    return OK;
1797}
1798
1799status_t StagefrightRecorder::setupMPEG4orWEBMRecording() {
1800    mWriter.clear();
1801    mTotalBitRate = 0;
1802
1803    status_t err = OK;
1804    sp<MediaWriter> writer;
1805    sp<MPEG4Writer> mp4writer;
1806    if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1807        writer = new WebmWriter(mOutputFd);
1808    } else {
1809        writer = mp4writer = new MPEG4Writer(mOutputFd);
1810    }
1811
1812    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1813        setDefaultVideoEncoderIfNecessary();
1814
1815        sp<MediaSource> mediaSource;
1816        err = setupMediaSource(&mediaSource);
1817        if (err != OK) {
1818            return err;
1819        }
1820
1821        sp<MediaCodecSource> encoder;
1822        err = setupVideoEncoder(mediaSource, &encoder);
1823        if (err != OK) {
1824            return err;
1825        }
1826
1827        writer->addSource(encoder);
1828        mVideoEncoderSource = encoder;
1829        mTotalBitRate += mVideoBitRate;
1830    }
1831
1832    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1833        // Audio source is added at the end if it exists.
1834        // This help make sure that the "recoding" sound is suppressed for
1835        // camcorder applications in the recorded files.
1836        // TODO Audio source is currently unsupported for webm output; vorbis encoder needed.
1837        // disable audio for time lapse recording
1838        bool disableAudio = mCaptureFpsEnable && mCaptureFps < mFrameRate;
1839        if (!disableAudio && mAudioSource != AUDIO_SOURCE_CNT) {
1840            err = setupAudioEncoder(writer);
1841            if (err != OK) return err;
1842            mTotalBitRate += mAudioBitRate;
1843        }
1844
1845        if (mCaptureFpsEnable) {
1846            mp4writer->setCaptureRate(mCaptureFps);
1847        }
1848
1849        if (mInterleaveDurationUs > 0) {
1850            mp4writer->setInterleaveDuration(mInterleaveDurationUs);
1851        }
1852        if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) {
1853            mp4writer->setGeoData(mLatitudex10000, mLongitudex10000);
1854        }
1855    }
1856    if (mMaxFileDurationUs != 0) {
1857        writer->setMaxFileDuration(mMaxFileDurationUs);
1858    }
1859    if (mMaxFileSizeBytes != 0) {
1860        writer->setMaxFileSize(mMaxFileSizeBytes);
1861    }
1862    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1863            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1864        mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId);
1865    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1866        // surface source doesn't need large initial delay
1867        mStartTimeOffsetMs = 200;
1868    }
1869    if (mStartTimeOffsetMs > 0) {
1870        writer->setStartTimeOffsetMs(mStartTimeOffsetMs);
1871    }
1872
1873    writer->setListener(mListener);
1874    mWriter = writer;
1875    return OK;
1876}
1877
1878void StagefrightRecorder::setupMPEG4orWEBMMetaData(sp<MetaData> *meta) {
1879    int64_t startTimeUs = systemTime() / 1000;
1880    (*meta)->setInt64(kKeyTime, startTimeUs);
1881    (*meta)->setInt32(kKeyFileType, mOutputFormat);
1882    (*meta)->setInt32(kKeyBitRate, mTotalBitRate);
1883    if (mMovieTimeScale > 0) {
1884        (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
1885    }
1886    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1887        (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
1888        if (mTrackEveryTimeDurationUs > 0) {
1889            (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs);
1890        }
1891        if (mRotationDegrees != 0) {
1892            (*meta)->setInt32(kKeyRotation, mRotationDegrees);
1893        }
1894    }
1895}
1896
1897status_t StagefrightRecorder::pause() {
1898    ALOGV("pause");
1899    if (!mStarted) {
1900        return INVALID_OPERATION;
1901    }
1902
1903    // Already paused --- no-op.
1904    if (mPauseStartTimeUs != 0) {
1905        return OK;
1906    }
1907
1908    mPauseStartTimeUs = systemTime() / 1000;
1909    sp<MetaData> meta = new MetaData;
1910    meta->setInt64(kKeyTime, mPauseStartTimeUs);
1911
1912    if (mAudioEncoderSource != NULL) {
1913        mAudioEncoderSource->pause();
1914    }
1915    if (mVideoEncoderSource != NULL) {
1916        mVideoEncoderSource->pause(meta.get());
1917    }
1918
1919    return OK;
1920}
1921
1922status_t StagefrightRecorder::resume() {
1923    ALOGV("resume");
1924    if (!mStarted) {
1925        return INVALID_OPERATION;
1926    }
1927
1928    // Not paused --- no-op.
1929    if (mPauseStartTimeUs == 0) {
1930        return OK;
1931    }
1932
1933    int64_t resumeStartTimeUs = systemTime() / 1000;
1934
1935    int64_t bufferStartTimeUs = 0;
1936    bool allSourcesStarted = true;
1937    for (const auto &source : { mAudioEncoderSource, mVideoEncoderSource }) {
1938        if (source == nullptr) {
1939            continue;
1940        }
1941        int64_t timeUs = source->getFirstSampleSystemTimeUs();
1942        if (timeUs < 0) {
1943            allSourcesStarted = false;
1944        }
1945        if (bufferStartTimeUs < timeUs) {
1946            bufferStartTimeUs = timeUs;
1947        }
1948    }
1949
1950    if (allSourcesStarted) {
1951        if (mPauseStartTimeUs < bufferStartTimeUs) {
1952            mPauseStartTimeUs = bufferStartTimeUs;
1953        }
1954        // 30 ms buffer to avoid timestamp overlap
1955        mTotalPausedDurationUs += resumeStartTimeUs - mPauseStartTimeUs - 30000;
1956    }
1957    double timeOffset = -mTotalPausedDurationUs;
1958    if (mCaptureFpsEnable) {
1959        timeOffset *= mCaptureFps / mFrameRate;
1960    }
1961    sp<MetaData> meta = new MetaData;
1962    meta->setInt64(kKeyTime, resumeStartTimeUs);
1963    for (const auto &source : { mAudioEncoderSource, mVideoEncoderSource }) {
1964        if (source == nullptr) {
1965            continue;
1966        }
1967        source->setInputBufferTimeOffset((int64_t)timeOffset);
1968        source->start(meta.get());
1969    }
1970    mPauseStartTimeUs = 0;
1971
1972    return OK;
1973}
1974
1975status_t StagefrightRecorder::stop() {
1976    ALOGV("stop");
1977    Mutex::Autolock autolock(mLock);
1978    status_t err = OK;
1979
1980    if (mCaptureFpsEnable && mCameraSourceTimeLapse != NULL) {
1981        mCameraSourceTimeLapse->startQuickReadReturns();
1982        mCameraSourceTimeLapse = NULL;
1983    }
1984
1985    if (mVideoEncoderSource != NULL) {
1986        int64_t stopTimeUs = systemTime() / 1000;
1987        sp<MetaData> meta = new MetaData;
1988        err = mVideoEncoderSource->setStopStimeUs(stopTimeUs);
1989    }
1990
1991    if (mWriter != NULL) {
1992        err = mWriter->stop();
1993        mWriter.clear();
1994    }
1995
1996    resetMetrics();
1997
1998    mTotalPausedDurationUs = 0;
1999    mPauseStartTimeUs = 0;
2000
2001    mGraphicBufferProducer.clear();
2002    mPersistentSurface.clear();
2003    mAudioEncoderSource.clear();
2004    mVideoEncoderSource.clear();
2005
2006    if (mOutputFd >= 0) {
2007        ::close(mOutputFd);
2008        mOutputFd = -1;
2009    }
2010
2011    if (mStarted) {
2012        mStarted = false;
2013
2014        uint32_t params = 0;
2015        if (mAudioSource != AUDIO_SOURCE_CNT) {
2016            params |= IMediaPlayerService::kBatteryDataTrackAudio;
2017        }
2018        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
2019            params |= IMediaPlayerService::kBatteryDataTrackVideo;
2020        }
2021
2022        addBatteryData(params);
2023    }
2024
2025    return err;
2026}
2027
2028status_t StagefrightRecorder::close() {
2029    ALOGV("close");
2030    stop();
2031
2032    return OK;
2033}
2034
2035status_t StagefrightRecorder::reset() {
2036    ALOGV("reset");
2037    stop();
2038
2039    // No audio or video source by default
2040    mAudioSource = AUDIO_SOURCE_CNT;
2041    mVideoSource = VIDEO_SOURCE_LIST_END;
2042
2043    // Default parameters
2044    mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
2045    mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
2046    mVideoEncoder  = VIDEO_ENCODER_DEFAULT;
2047    mVideoWidth    = 176;
2048    mVideoHeight   = 144;
2049    mFrameRate     = -1;
2050    mVideoBitRate  = 192000;
2051    mSampleRate    = 8000;
2052    mAudioChannels = 1;
2053    mAudioBitRate  = 12200;
2054    mInterleaveDurationUs = 0;
2055    mIFramesIntervalSec = 1;
2056    mAudioSourceNode = 0;
2057    mUse64BitFileOffset = false;
2058    mMovieTimeScale  = -1;
2059    mAudioTimeScale  = -1;
2060    mVideoTimeScale  = -1;
2061    mCameraId        = 0;
2062    mStartTimeOffsetMs = -1;
2063    mVideoEncoderProfile = -1;
2064    mVideoEncoderLevel   = -1;
2065    mMaxFileDurationUs = 0;
2066    mMaxFileSizeBytes = 0;
2067    mTrackEveryTimeDurationUs = 0;
2068    mCaptureFpsEnable = false;
2069    mCaptureFps = -1.0;
2070    mCameraSourceTimeLapse = NULL;
2071    mMetaDataStoredInVideoBuffers = kMetadataBufferTypeInvalid;
2072    mEncoderProfiles = MediaProfiles::getInstance();
2073    mRotationDegrees = 0;
2074    mLatitudex10000 = -3600000;
2075    mLongitudex10000 = -3600000;
2076    mTotalBitRate = 0;
2077
2078    mOutputFd = -1;
2079
2080    return OK;
2081}
2082
2083status_t StagefrightRecorder::getMaxAmplitude(int *max) {
2084    ALOGV("getMaxAmplitude");
2085
2086    if (max == NULL) {
2087        ALOGE("Null pointer argument");
2088        return BAD_VALUE;
2089    }
2090
2091    if (mAudioSourceNode != 0) {
2092        *max = mAudioSourceNode->getMaxAmplitude();
2093    } else {
2094        *max = 0;
2095    }
2096
2097    return OK;
2098}
2099
2100status_t StagefrightRecorder::getMetrics(Parcel *reply) {
2101    ALOGD("StagefrightRecorder::getMetrics");
2102
2103    if (reply == NULL) {
2104        ALOGE("Null pointer argument");
2105        return BAD_VALUE;
2106    }
2107
2108    if (mAnalyticsItem == NULL) {
2109        return UNKNOWN_ERROR;
2110    }
2111
2112    updateMetrics();
2113    mAnalyticsItem->writeToParcel(reply);
2114    return OK;
2115}
2116
2117status_t StagefrightRecorder::dump(
2118        int fd, const Vector<String16>& args) const {
2119    ALOGV("dump");
2120    Mutex::Autolock autolock(mLock);
2121    const size_t SIZE = 256;
2122    char buffer[SIZE];
2123    String8 result;
2124    if (mWriter != 0) {
2125        mWriter->dump(fd, args);
2126    } else {
2127        snprintf(buffer, SIZE, "   No file writer\n");
2128        result.append(buffer);
2129    }
2130    snprintf(buffer, SIZE, "   Recorder: %p\n", this);
2131    snprintf(buffer, SIZE, "   Output file (fd %d):\n", mOutputFd);
2132    result.append(buffer);
2133    snprintf(buffer, SIZE, "     File format: %d\n", mOutputFormat);
2134    result.append(buffer);
2135    snprintf(buffer, SIZE, "     Max file size (bytes): %" PRId64 "\n", mMaxFileSizeBytes);
2136    result.append(buffer);
2137    snprintf(buffer, SIZE, "     Max file duration (us): %" PRId64 "\n", mMaxFileDurationUs);
2138    result.append(buffer);
2139    snprintf(buffer, SIZE, "     File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32);
2140    result.append(buffer);
2141    snprintf(buffer, SIZE, "     Interleave duration (us): %d\n", mInterleaveDurationUs);
2142    result.append(buffer);
2143    snprintf(buffer, SIZE, "     Progress notification: %" PRId64 " us\n", mTrackEveryTimeDurationUs);
2144    result.append(buffer);
2145    snprintf(buffer, SIZE, "   Audio\n");
2146    result.append(buffer);
2147    snprintf(buffer, SIZE, "     Source: %d\n", mAudioSource);
2148    result.append(buffer);
2149    snprintf(buffer, SIZE, "     Encoder: %d\n", mAudioEncoder);
2150    result.append(buffer);
2151    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mAudioBitRate);
2152    result.append(buffer);
2153    snprintf(buffer, SIZE, "     Sampling rate (hz): %d\n", mSampleRate);
2154    result.append(buffer);
2155    snprintf(buffer, SIZE, "     Number of channels: %d\n", mAudioChannels);
2156    result.append(buffer);
2157    snprintf(buffer, SIZE, "     Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude());
2158    result.append(buffer);
2159    snprintf(buffer, SIZE, "   Video\n");
2160    result.append(buffer);
2161    snprintf(buffer, SIZE, "     Source: %d\n", mVideoSource);
2162    result.append(buffer);
2163    snprintf(buffer, SIZE, "     Camera Id: %d\n", mCameraId);
2164    result.append(buffer);
2165    snprintf(buffer, SIZE, "     Start time offset (ms): %d\n", mStartTimeOffsetMs);
2166    result.append(buffer);
2167    snprintf(buffer, SIZE, "     Encoder: %d\n", mVideoEncoder);
2168    result.append(buffer);
2169    snprintf(buffer, SIZE, "     Encoder profile: %d\n", mVideoEncoderProfile);
2170    result.append(buffer);
2171    snprintf(buffer, SIZE, "     Encoder level: %d\n", mVideoEncoderLevel);
2172    result.append(buffer);
2173    snprintf(buffer, SIZE, "     I frames interval (s): %d\n", mIFramesIntervalSec);
2174    result.append(buffer);
2175    snprintf(buffer, SIZE, "     Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight);
2176    result.append(buffer);
2177    snprintf(buffer, SIZE, "     Frame rate (fps): %d\n", mFrameRate);
2178    result.append(buffer);
2179    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mVideoBitRate);
2180    result.append(buffer);
2181    ::write(fd, result.string(), result.size());
2182    return OK;
2183}
2184}  // namespace android
2185