StagefrightRecorder.cpp revision 8f889be4754d40f39c9377b055988f58f3ed64a8 
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/MediaProfiles.h>
49#include <camera/CameraParameters.h>
50
51#include <utils/Errors.h>
52#include <sys/types.h>
53#include <ctype.h>
54#include <unistd.h>
55
56#include <system/audio.h>
57
58#include "ARTPWriter.h"
59
60namespace android {
61
62static const float kTypicalDisplayRefreshingRate = 60.f;
63// display refresh rate drops on battery saver
64static const float kMinTypicalDisplayRefreshingRate = kTypicalDisplayRefreshingRate / 2;
65static const int kMaxNumVideoTemporalLayers = 8;
66
67// To collect the encoder usage for the battery app
68static void addBatteryData(uint32_t params) {
69    sp<IBinder> binder =
70        defaultServiceManager()->getService(String16("media.player"));
71    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
72    CHECK(service.get() != NULL);
73
74    service->addBatteryData(params);
75}
76
77
78StagefrightRecorder::StagefrightRecorder(const String16 &opPackageName)
79    : MediaRecorderBase(opPackageName),
80      mWriter(NULL),
81      mOutputFd(-1),
82      mAudioSource(AUDIO_SOURCE_CNT),
83      mVideoSource(VIDEO_SOURCE_LIST_END),
84      mStarted(false) {
85
86    ALOGV("Constructor");
87    reset();
88}
89
90StagefrightRecorder::~StagefrightRecorder() {
91    ALOGV("Destructor");
92    stop();
93
94    if (mLooper != NULL) {
95        mLooper->stop();
96    }
97}
98
99status_t StagefrightRecorder::init() {
100    ALOGV("init");
101
102    mLooper = new ALooper;
103    mLooper->setName("recorder_looper");
104    mLooper->start();
105
106    return OK;
107}
108
109// The client side of mediaserver asks it to creat a SurfaceMediaSource
110// and return a interface reference. The client side will use that
111// while encoding GL Frames
112sp<IGraphicBufferProducer> StagefrightRecorder::querySurfaceMediaSource() const {
113    ALOGV("Get SurfaceMediaSource");
114    return mGraphicBufferProducer;
115}
116
117status_t StagefrightRecorder::setAudioSource(audio_source_t as) {
118    ALOGV("setAudioSource: %d", as);
119    if (as < AUDIO_SOURCE_DEFAULT ||
120        (as >= AUDIO_SOURCE_CNT && as != AUDIO_SOURCE_FM_TUNER)) {
121        ALOGE("Invalid audio source: %d", as);
122        return BAD_VALUE;
123    }
124
125    if (as == AUDIO_SOURCE_DEFAULT) {
126        mAudioSource = AUDIO_SOURCE_MIC;
127    } else {
128        mAudioSource = as;
129    }
130
131    return OK;
132}
133
134status_t StagefrightRecorder::setVideoSource(video_source vs) {
135    ALOGV("setVideoSource: %d", vs);
136    if (vs < VIDEO_SOURCE_DEFAULT ||
137        vs >= VIDEO_SOURCE_LIST_END) {
138        ALOGE("Invalid video source: %d", vs);
139        return BAD_VALUE;
140    }
141
142    if (vs == VIDEO_SOURCE_DEFAULT) {
143        mVideoSource = VIDEO_SOURCE_CAMERA;
144    } else {
145        mVideoSource = vs;
146    }
147
148    return OK;
149}
150
151status_t StagefrightRecorder::setOutputFormat(output_format of) {
152    ALOGV("setOutputFormat: %d", of);
153    if (of < OUTPUT_FORMAT_DEFAULT ||
154        of >= OUTPUT_FORMAT_LIST_END) {
155        ALOGE("Invalid output format: %d", of);
156        return BAD_VALUE;
157    }
158
159    if (of == OUTPUT_FORMAT_DEFAULT) {
160        mOutputFormat = OUTPUT_FORMAT_THREE_GPP;
161    } else {
162        mOutputFormat = of;
163    }
164
165    return OK;
166}
167
168status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) {
169    ALOGV("setAudioEncoder: %d", ae);
170    if (ae < AUDIO_ENCODER_DEFAULT ||
171        ae >= AUDIO_ENCODER_LIST_END) {
172        ALOGE("Invalid audio encoder: %d", ae);
173        return BAD_VALUE;
174    }
175
176    if (ae == AUDIO_ENCODER_DEFAULT) {
177        mAudioEncoder = AUDIO_ENCODER_AMR_NB;
178    } else {
179        mAudioEncoder = ae;
180    }
181
182    return OK;
183}
184
185status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) {
186    ALOGV("setVideoEncoder: %d", ve);
187    if (ve < VIDEO_ENCODER_DEFAULT ||
188        ve >= VIDEO_ENCODER_LIST_END) {
189        ALOGE("Invalid video encoder: %d", ve);
190        return BAD_VALUE;
191    }
192
193    mVideoEncoder = ve;
194
195    return OK;
196}
197
198status_t StagefrightRecorder::setVideoSize(int width, int height) {
199    ALOGV("setVideoSize: %dx%d", width, height);
200    if (width <= 0 || height <= 0) {
201        ALOGE("Invalid video size: %dx%d", width, height);
202        return BAD_VALUE;
203    }
204
205    // Additional check on the dimension will be performed later
206    mVideoWidth = width;
207    mVideoHeight = height;
208
209    return OK;
210}
211
212status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) {
213    ALOGV("setVideoFrameRate: %d", frames_per_second);
214    if ((frames_per_second <= 0 && frames_per_second != -1) ||
215        frames_per_second > kMaxHighSpeedFps) {
216        ALOGE("Invalid video frame rate: %d", frames_per_second);
217        return BAD_VALUE;
218    }
219
220    // Additional check on the frame rate will be performed later
221    mFrameRate = frames_per_second;
222
223    return OK;
224}
225
226status_t StagefrightRecorder::setCamera(const sp<hardware::ICamera> &camera,
227                                        const sp<ICameraRecordingProxy> &proxy) {
228    ALOGV("setCamera");
229    if (camera == 0) {
230        ALOGE("camera is NULL");
231        return BAD_VALUE;
232    }
233    if (proxy == 0) {
234        ALOGE("camera proxy is NULL");
235        return BAD_VALUE;
236    }
237
238    mCamera = camera;
239    mCameraProxy = proxy;
240    return OK;
241}
242
243status_t StagefrightRecorder::setPreviewSurface(const sp<IGraphicBufferProducer> &surface) {
244    ALOGV("setPreviewSurface: %p", surface.get());
245    mPreviewSurface = surface;
246
247    return OK;
248}
249
250status_t StagefrightRecorder::setInputSurface(
251        const sp<IGraphicBufferConsumer>& surface) {
252    mPersistentSurface = surface;
253
254    return OK;
255}
256
257status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) {
258    ALOGV("setOutputFile: %d, %lld, %lld", fd, (long long)offset, (long long)length);
259    // These don't make any sense, do they?
260    CHECK_EQ(offset, 0ll);
261    CHECK_EQ(length, 0ll);
262
263    if (fd < 0) {
264        ALOGE("Invalid file descriptor: %d", fd);
265        return -EBADF;
266    }
267
268    // start with a clean, empty file
269    ftruncate(fd, 0);
270
271    if (mOutputFd >= 0) {
272        ::close(mOutputFd);
273    }
274    mOutputFd = dup(fd);
275
276    return OK;
277}
278
279// Attempt to parse an float literal optionally surrounded by whitespace,
280// returns true on success, false otherwise.
281static bool safe_strtof(const char *s, float *val) {
282    char *end;
283
284    // It is lame, but according to man page, we have to set errno to 0
285    // before calling strtof().
286    errno = 0;
287    *val = strtof(s, &end);
288
289    if (end == s || errno == ERANGE) {
290        return false;
291    }
292
293    // Skip trailing whitespace
294    while (isspace(*end)) {
295        ++end;
296    }
297
298    // For a successful return, the string must contain nothing but a valid
299    // float literal optionally surrounded by whitespace.
300
301    return *end == '\0';
302}
303
304// Attempt to parse an int64 literal optionally surrounded by whitespace,
305// returns true on success, false otherwise.
306static bool safe_strtoi64(const char *s, int64_t *val) {
307    char *end;
308
309    // It is lame, but according to man page, we have to set errno to 0
310    // before calling strtoll().
311    errno = 0;
312    *val = strtoll(s, &end, 10);
313
314    if (end == s || errno == ERANGE) {
315        return false;
316    }
317
318    // Skip trailing whitespace
319    while (isspace(*end)) {
320        ++end;
321    }
322
323    // For a successful return, the string must contain nothing but a valid
324    // int64 literal optionally surrounded by whitespace.
325
326    return *end == '\0';
327}
328
329// Return true if the value is in [0, 0x007FFFFFFF]
330static bool safe_strtoi32(const char *s, int32_t *val) {
331    int64_t temp;
332    if (safe_strtoi64(s, &temp)) {
333        if (temp >= 0 && temp <= 0x007FFFFFFF) {
334            *val = static_cast<int32_t>(temp);
335            return true;
336        }
337    }
338    return false;
339}
340
341// Trim both leading and trailing whitespace from the given string.
342static void TrimString(String8 *s) {
343    size_t num_bytes = s->bytes();
344    const char *data = s->string();
345
346    size_t leading_space = 0;
347    while (leading_space < num_bytes && isspace(data[leading_space])) {
348        ++leading_space;
349    }
350
351    size_t i = num_bytes;
352    while (i > leading_space && isspace(data[i - 1])) {
353        --i;
354    }
355
356    s->setTo(String8(&data[leading_space], i - leading_space));
357}
358
359status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) {
360    ALOGV("setParamAudioSamplingRate: %d", sampleRate);
361    if (sampleRate <= 0) {
362        ALOGE("Invalid audio sampling rate: %d", sampleRate);
363        return BAD_VALUE;
364    }
365
366    // Additional check on the sample rate will be performed later.
367    mSampleRate = sampleRate;
368    return OK;
369}
370
371status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) {
372    ALOGV("setParamAudioNumberOfChannels: %d", channels);
373    if (channels <= 0 || channels >= 3) {
374        ALOGE("Invalid number of audio channels: %d", channels);
375        return BAD_VALUE;
376    }
377
378    // Additional check on the number of channels will be performed later.
379    mAudioChannels = channels;
380    return OK;
381}
382
383status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) {
384    ALOGV("setParamAudioEncodingBitRate: %d", bitRate);
385    if (bitRate <= 0) {
386        ALOGE("Invalid audio encoding bit rate: %d", bitRate);
387        return BAD_VALUE;
388    }
389
390    // The target bit rate may not be exactly the same as the requested.
391    // It depends on many factors, such as rate control, and the bit rate
392    // range that a specific encoder supports. The mismatch between the
393    // the target and requested bit rate will NOT be treated as an error.
394    mAudioBitRate = bitRate;
395    return OK;
396}
397
398status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) {
399    ALOGV("setParamVideoEncodingBitRate: %d", bitRate);
400    if (bitRate <= 0) {
401        ALOGE("Invalid video encoding bit rate: %d", bitRate);
402        return BAD_VALUE;
403    }
404
405    // The target bit rate may not be exactly the same as the requested.
406    // It depends on many factors, such as rate control, and the bit rate
407    // range that a specific encoder supports. The mismatch between the
408    // the target and requested bit rate will NOT be treated as an error.
409    mVideoBitRate = bitRate;
410    return OK;
411}
412
413// Always rotate clockwise, and only support 0, 90, 180 and 270 for now.
414status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) {
415    ALOGV("setParamVideoRotation: %d", degrees);
416    if (degrees < 0 || degrees % 90 != 0) {
417        ALOGE("Unsupported video rotation angle: %d", degrees);
418        return BAD_VALUE;
419    }
420    mRotationDegrees = degrees % 360;
421    return OK;
422}
423
424status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) {
425    ALOGV("setParamMaxFileDurationUs: %lld us", (long long)timeUs);
426
427    // This is meant for backward compatibility for MediaRecorder.java
428    if (timeUs <= 0) {
429        ALOGW("Max file duration is not positive: %lld us. Disabling duration limit.",
430                (long long)timeUs);
431        timeUs = 0; // Disable the duration limit for zero or negative values.
432    } else if (timeUs <= 100000LL) {  // XXX: 100 milli-seconds
433        ALOGE("Max file duration is too short: %lld us", (long long)timeUs);
434        return BAD_VALUE;
435    }
436
437    if (timeUs <= 15 * 1000000LL) {
438        ALOGW("Target duration (%lld us) too short to be respected", (long long)timeUs);
439    }
440    mMaxFileDurationUs = timeUs;
441    return OK;
442}
443
444status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
445    ALOGV("setParamMaxFileSizeBytes: %lld bytes", (long long)bytes);
446
447    // This is meant for backward compatibility for MediaRecorder.java
448    if (bytes <= 0) {
449        ALOGW("Max file size is not positive: %lld bytes. "
450             "Disabling file size limit.", (long long)bytes);
451        bytes = 0; // Disable the file size limit for zero or negative values.
452    } else if (bytes <= 1024) {  // XXX: 1 kB
453        ALOGE("Max file size is too small: %lld bytes", (long long)bytes);
454        return BAD_VALUE;
455    }
456
457    if (bytes <= 100 * 1024) {
458        ALOGW("Target file size (%lld bytes) is too small to be respected", (long long)bytes);
459    }
460
461    mMaxFileSizeBytes = bytes;
462    return OK;
463}
464
465status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) {
466    ALOGV("setParamInterleaveDuration: %d", durationUs);
467    if (durationUs <= 500000) {           //  500 ms
468        // If interleave duration is too small, it is very inefficient to do
469        // interleaving since the metadata overhead will count for a significant
470        // portion of the saved contents
471        ALOGE("Audio/video interleave duration is too small: %d us", durationUs);
472        return BAD_VALUE;
473    } else if (durationUs >= 10000000) {  // 10 seconds
474        // If interleaving duration is too large, it can cause the recording
475        // session to use too much memory since we have to save the output
476        // data before we write them out
477        ALOGE("Audio/video interleave duration is too large: %d us", durationUs);
478        return BAD_VALUE;
479    }
480    mInterleaveDurationUs = durationUs;
481    return OK;
482}
483
484// If seconds <  0, only the first frame is I frame, and rest are all P frames
485// If seconds == 0, all frames are encoded as I frames. No P frames
486// If seconds >  0, it is the time spacing (seconds) between 2 neighboring I frames
487status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) {
488    ALOGV("setParamVideoIFramesInterval: %d seconds", seconds);
489    mIFramesIntervalSec = seconds;
490    return OK;
491}
492
493status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) {
494    ALOGV("setParam64BitFileOffset: %s",
495        use64Bit? "use 64 bit file offset": "use 32 bit file offset");
496    mUse64BitFileOffset = use64Bit;
497    return OK;
498}
499
500status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) {
501    ALOGV("setParamVideoCameraId: %d", cameraId);
502    if (cameraId < 0) {
503        return BAD_VALUE;
504    }
505    mCameraId = cameraId;
506    return OK;
507}
508
509status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) {
510    ALOGV("setParamTrackTimeStatus: %lld", (long long)timeDurationUs);
511    if (timeDurationUs < 20000) {  // Infeasible if shorter than 20 ms?
512        ALOGE("Tracking time duration too short: %lld us", (long long)timeDurationUs);
513        return BAD_VALUE;
514    }
515    mTrackEveryTimeDurationUs = timeDurationUs;
516    return OK;
517}
518
519status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) {
520    ALOGV("setParamVideoEncoderProfile: %d", profile);
521
522    // Additional check will be done later when we load the encoder.
523    // For now, we are accepting values defined in OpenMAX IL.
524    mVideoEncoderProfile = profile;
525    return OK;
526}
527
528status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) {
529    ALOGV("setParamVideoEncoderLevel: %d", level);
530
531    // Additional check will be done later when we load the encoder.
532    // For now, we are accepting values defined in OpenMAX IL.
533    mVideoEncoderLevel = level;
534    return OK;
535}
536
537status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) {
538    ALOGV("setParamMovieTimeScale: %d", timeScale);
539
540    // The range is set to be the same as the audio's time scale range
541    // since audio's time scale has a wider range.
542    if (timeScale < 600 || timeScale > 96000) {
543        ALOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale);
544        return BAD_VALUE;
545    }
546    mMovieTimeScale = timeScale;
547    return OK;
548}
549
550status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) {
551    ALOGV("setParamVideoTimeScale: %d", timeScale);
552
553    // 60000 is chosen to make sure that each video frame from a 60-fps
554    // video has 1000 ticks.
555    if (timeScale < 600 || timeScale > 60000) {
556        ALOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale);
557        return BAD_VALUE;
558    }
559    mVideoTimeScale = timeScale;
560    return OK;
561}
562
563status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) {
564    ALOGV("setParamAudioTimeScale: %d", timeScale);
565
566    // 96000 Hz is the highest sampling rate support in AAC.
567    if (timeScale < 600 || timeScale > 96000) {
568        ALOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale);
569        return BAD_VALUE;
570    }
571    mAudioTimeScale = timeScale;
572    return OK;
573}
574
575status_t StagefrightRecorder::setParamCaptureFpsEnable(int32_t captureFpsEnable) {
576    ALOGV("setParamCaptureFpsEnable: %d", captureFpsEnable);
577
578    if(captureFpsEnable == 0) {
579        mCaptureFpsEnable = false;
580    } else if (captureFpsEnable == 1) {
581        mCaptureFpsEnable = true;
582    } else {
583        return BAD_VALUE;
584    }
585    return OK;
586}
587
588status_t StagefrightRecorder::setParamCaptureFps(float fps) {
589    ALOGV("setParamCaptureFps: %.2f", fps);
590
591    int64_t timeUs = (int64_t) (1000000.0 / fps + 0.5f);
592
593    // Not allowing time more than a day
594    if (timeUs <= 0 || timeUs > 86400*1E6) {
595        ALOGE("Time between frame capture (%lld) is out of range [0, 1 Day]", (long long)timeUs);
596        return BAD_VALUE;
597    }
598
599    mCaptureFps = fps;
600    mTimeBetweenCaptureUs = timeUs;
601    return OK;
602}
603
604status_t StagefrightRecorder::setParamGeoDataLongitude(
605    int64_t longitudex10000) {
606
607    if (longitudex10000 > 1800000 || longitudex10000 < -1800000) {
608        return BAD_VALUE;
609    }
610    mLongitudex10000 = longitudex10000;
611    return OK;
612}
613
614status_t StagefrightRecorder::setParamGeoDataLatitude(
615    int64_t latitudex10000) {
616
617    if (latitudex10000 > 900000 || latitudex10000 < -900000) {
618        return BAD_VALUE;
619    }
620    mLatitudex10000 = latitudex10000;
621    return OK;
622}
623
624status_t StagefrightRecorder::setParameter(
625        const String8 &key, const String8 &value) {
626    ALOGV("setParameter: key (%s) => value (%s)", key.string(), value.string());
627    if (key == "max-duration") {
628        int64_t max_duration_ms;
629        if (safe_strtoi64(value.string(), &max_duration_ms)) {
630            return setParamMaxFileDurationUs(1000LL * max_duration_ms);
631        }
632    } else if (key == "max-filesize") {
633        int64_t max_filesize_bytes;
634        if (safe_strtoi64(value.string(), &max_filesize_bytes)) {
635            return setParamMaxFileSizeBytes(max_filesize_bytes);
636        }
637    } else if (key == "interleave-duration-us") {
638        int32_t durationUs;
639        if (safe_strtoi32(value.string(), &durationUs)) {
640            return setParamInterleaveDuration(durationUs);
641        }
642    } else if (key == "param-movie-time-scale") {
643        int32_t timeScale;
644        if (safe_strtoi32(value.string(), &timeScale)) {
645            return setParamMovieTimeScale(timeScale);
646        }
647    } else if (key == "param-use-64bit-offset") {
648        int32_t use64BitOffset;
649        if (safe_strtoi32(value.string(), &use64BitOffset)) {
650            return setParam64BitFileOffset(use64BitOffset != 0);
651        }
652    } else if (key == "param-geotag-longitude") {
653        int64_t longitudex10000;
654        if (safe_strtoi64(value.string(), &longitudex10000)) {
655            return setParamGeoDataLongitude(longitudex10000);
656        }
657    } else if (key == "param-geotag-latitude") {
658        int64_t latitudex10000;
659        if (safe_strtoi64(value.string(), &latitudex10000)) {
660            return setParamGeoDataLatitude(latitudex10000);
661        }
662    } else if (key == "param-track-time-status") {
663        int64_t timeDurationUs;
664        if (safe_strtoi64(value.string(), &timeDurationUs)) {
665            return setParamTrackTimeStatus(timeDurationUs);
666        }
667    } else if (key == "audio-param-sampling-rate") {
668        int32_t sampling_rate;
669        if (safe_strtoi32(value.string(), &sampling_rate)) {
670            return setParamAudioSamplingRate(sampling_rate);
671        }
672    } else if (key == "audio-param-number-of-channels") {
673        int32_t number_of_channels;
674        if (safe_strtoi32(value.string(), &number_of_channels)) {
675            return setParamAudioNumberOfChannels(number_of_channels);
676        }
677    } else if (key == "audio-param-encoding-bitrate") {
678        int32_t audio_bitrate;
679        if (safe_strtoi32(value.string(), &audio_bitrate)) {
680            return setParamAudioEncodingBitRate(audio_bitrate);
681        }
682    } else if (key == "audio-param-time-scale") {
683        int32_t timeScale;
684        if (safe_strtoi32(value.string(), &timeScale)) {
685            return setParamAudioTimeScale(timeScale);
686        }
687    } else if (key == "video-param-encoding-bitrate") {
688        int32_t video_bitrate;
689        if (safe_strtoi32(value.string(), &video_bitrate)) {
690            return setParamVideoEncodingBitRate(video_bitrate);
691        }
692    } else if (key == "video-param-rotation-angle-degrees") {
693        int32_t degrees;
694        if (safe_strtoi32(value.string(), &degrees)) {
695            return setParamVideoRotation(degrees);
696        }
697    } else if (key == "video-param-i-frames-interval") {
698        int32_t seconds;
699        if (safe_strtoi32(value.string(), &seconds)) {
700            return setParamVideoIFramesInterval(seconds);
701        }
702    } else if (key == "video-param-encoder-profile") {
703        int32_t profile;
704        if (safe_strtoi32(value.string(), &profile)) {
705            return setParamVideoEncoderProfile(profile);
706        }
707    } else if (key == "video-param-encoder-level") {
708        int32_t level;
709        if (safe_strtoi32(value.string(), &level)) {
710            return setParamVideoEncoderLevel(level);
711        }
712    } else if (key == "video-param-camera-id") {
713        int32_t cameraId;
714        if (safe_strtoi32(value.string(), &cameraId)) {
715            return setParamVideoCameraId(cameraId);
716        }
717    } else if (key == "video-param-time-scale") {
718        int32_t timeScale;
719        if (safe_strtoi32(value.string(), &timeScale)) {
720            return setParamVideoTimeScale(timeScale);
721        }
722    } else if (key == "time-lapse-enable") {
723        int32_t captureFpsEnable;
724        if (safe_strtoi32(value.string(), &captureFpsEnable)) {
725            return setParamCaptureFpsEnable(captureFpsEnable);
726        }
727    } else if (key == "time-lapse-fps") {
728        float fps;
729        if (safe_strtof(value.string(), &fps)) {
730            return setParamCaptureFps(fps);
731        }
732    } else {
733        ALOGE("setParameter: failed to find key %s", key.string());
734    }
735    return BAD_VALUE;
736}
737
738status_t StagefrightRecorder::setParameters(const String8 &params) {
739    ALOGV("setParameters: %s", params.string());
740    const char *cparams = params.string();
741    const char *key_start = cparams;
742    for (;;) {
743        const char *equal_pos = strchr(key_start, '=');
744        if (equal_pos == NULL) {
745            ALOGE("Parameters %s miss a value", cparams);
746            return BAD_VALUE;
747        }
748        String8 key(key_start, equal_pos - key_start);
749        TrimString(&key);
750        if (key.length() == 0) {
751            ALOGE("Parameters %s contains an empty key", cparams);
752            return BAD_VALUE;
753        }
754        const char *value_start = equal_pos + 1;
755        const char *semicolon_pos = strchr(value_start, ';');
756        String8 value;
757        if (semicolon_pos == NULL) {
758            value.setTo(value_start);
759        } else {
760            value.setTo(value_start, semicolon_pos - value_start);
761        }
762        if (setParameter(key, value) != OK) {
763            return BAD_VALUE;
764        }
765        if (semicolon_pos == NULL) {
766            break;  // Reaches the end
767        }
768        key_start = semicolon_pos + 1;
769    }
770    return OK;
771}
772
773status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) {
774    mListener = listener;
775
776    return OK;
777}
778
779status_t StagefrightRecorder::setClientName(const String16& clientName) {
780    mClientName = clientName;
781
782    return OK;
783}
784
785status_t StagefrightRecorder::prepareInternal() {
786    ALOGV("prepare");
787    if (mOutputFd < 0) {
788        ALOGE("Output file descriptor is invalid");
789        return INVALID_OPERATION;
790    }
791
792    // Get UID and PID here for permission checking
793    mClientUid = IPCThreadState::self()->getCallingUid();
794    mClientPid = IPCThreadState::self()->getCallingPid();
795
796    status_t status = OK;
797
798    switch (mOutputFormat) {
799        case OUTPUT_FORMAT_DEFAULT:
800        case OUTPUT_FORMAT_THREE_GPP:
801        case OUTPUT_FORMAT_MPEG_4:
802        case OUTPUT_FORMAT_WEBM:
803            status = setupMPEG4orWEBMRecording();
804            break;
805
806        case OUTPUT_FORMAT_AMR_NB:
807        case OUTPUT_FORMAT_AMR_WB:
808            status = setupAMRRecording();
809            break;
810
811        case OUTPUT_FORMAT_AAC_ADIF:
812        case OUTPUT_FORMAT_AAC_ADTS:
813            status = setupAACRecording();
814            break;
815
816        case OUTPUT_FORMAT_RTP_AVP:
817            status = setupRTPRecording();
818            break;
819
820        case OUTPUT_FORMAT_MPEG2TS:
821            status = setupMPEG2TSRecording();
822            break;
823
824        default:
825            ALOGE("Unsupported output file format: %d", mOutputFormat);
826            status = UNKNOWN_ERROR;
827            break;
828    }
829
830    ALOGV("Recording frameRate: %d captureFps: %f",
831            mFrameRate, mCaptureFps);
832
833    return status;
834}
835
836status_t StagefrightRecorder::prepare() {
837    if (mVideoSource == VIDEO_SOURCE_SURFACE) {
838        return prepareInternal();
839    }
840    return OK;
841}
842
843status_t StagefrightRecorder::start() {
844    ALOGV("start");
845    if (mOutputFd < 0) {
846        ALOGE("Output file descriptor is invalid");
847        return INVALID_OPERATION;
848    }
849
850    status_t status = OK;
851
852    if (mVideoSource != VIDEO_SOURCE_SURFACE) {
853        status = prepareInternal();
854        if (status != OK) {
855            return status;
856        }
857    }
858
859    if (mWriter == NULL) {
860        ALOGE("File writer is not avaialble");
861        return UNKNOWN_ERROR;
862    }
863
864    switch (mOutputFormat) {
865        case OUTPUT_FORMAT_DEFAULT:
866        case OUTPUT_FORMAT_THREE_GPP:
867        case OUTPUT_FORMAT_MPEG_4:
868        case OUTPUT_FORMAT_WEBM:
869        {
870            bool isMPEG4 = true;
871            if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
872                isMPEG4 = false;
873            }
874            sp<MetaData> meta = new MetaData;
875            setupMPEG4orWEBMMetaData(&meta);
876            status = mWriter->start(meta.get());
877            break;
878        }
879
880        case OUTPUT_FORMAT_AMR_NB:
881        case OUTPUT_FORMAT_AMR_WB:
882        case OUTPUT_FORMAT_AAC_ADIF:
883        case OUTPUT_FORMAT_AAC_ADTS:
884        case OUTPUT_FORMAT_RTP_AVP:
885        case OUTPUT_FORMAT_MPEG2TS:
886        {
887            sp<MetaData> meta = new MetaData;
888            int64_t startTimeUs = systemTime() / 1000;
889            meta->setInt64(kKeyTime, startTimeUs);
890            status = mWriter->start(meta.get());
891            break;
892        }
893
894        default:
895        {
896            ALOGE("Unsupported output file format: %d", mOutputFormat);
897            status = UNKNOWN_ERROR;
898            break;
899        }
900    }
901
902    if (status != OK) {
903        mWriter.clear();
904        mWriter = NULL;
905    }
906
907    if ((status == OK) && (!mStarted)) {
908        mStarted = true;
909
910        uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted;
911        if (mAudioSource != AUDIO_SOURCE_CNT) {
912            params |= IMediaPlayerService::kBatteryDataTrackAudio;
913        }
914        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
915            params |= IMediaPlayerService::kBatteryDataTrackVideo;
916        }
917
918        addBatteryData(params);
919    }
920
921    return status;
922}
923
924sp<MediaCodecSource> StagefrightRecorder::createAudioSource() {
925    int32_t sourceSampleRate = mSampleRate;
926
927    if (mCaptureFpsEnable && mCaptureFps >= mFrameRate) {
928        // Upscale the sample rate for slow motion recording.
929        // Fail audio source creation if source sample rate is too high, as it could
930        // cause out-of-memory due to large input buffer size. And audio recording
931        // probably doesn't make sense in the scenario, since the slow-down factor
932        // is probably huge (eg. mSampleRate=48K, mCaptureFps=240, mFrameRate=1).
933        const static int32_t SAMPLE_RATE_HZ_MAX = 192000;
934        sourceSampleRate =
935                (mSampleRate * mCaptureFps + mFrameRate / 2) / mFrameRate;
936        if (sourceSampleRate < mSampleRate || sourceSampleRate > SAMPLE_RATE_HZ_MAX) {
937            ALOGE("source sample rate out of range! "
938                    "(mSampleRate %d, mCaptureFps %.2f, mFrameRate %d",
939                    mSampleRate, mCaptureFps, mFrameRate);
940            return NULL;
941        }
942    }
943
944    sp<AudioSource> audioSource =
945        new AudioSource(
946                mAudioSource,
947                mOpPackageName,
948                sourceSampleRate,
949                mAudioChannels,
950                mSampleRate,
951                mClientUid,
952                mClientPid);
953
954    status_t err = audioSource->initCheck();
955
956    if (err != OK) {
957        ALOGE("audio source is not initialized");
958        return NULL;
959    }
960
961    sp<AMessage> format = new AMessage;
962    switch (mAudioEncoder) {
963        case AUDIO_ENCODER_AMR_NB:
964        case AUDIO_ENCODER_DEFAULT:
965            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
966            break;
967        case AUDIO_ENCODER_AMR_WB:
968            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
969            break;
970        case AUDIO_ENCODER_AAC:
971            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
972            format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC);
973            break;
974        case AUDIO_ENCODER_HE_AAC:
975            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
976            format->setInt32("aac-profile", OMX_AUDIO_AACObjectHE);
977            break;
978        case AUDIO_ENCODER_AAC_ELD:
979            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
980            format->setInt32("aac-profile", OMX_AUDIO_AACObjectELD);
981            break;
982
983        default:
984            ALOGE("Unknown audio encoder: %d", mAudioEncoder);
985            return NULL;
986    }
987
988    int32_t maxInputSize;
989    CHECK(audioSource->getFormat()->findInt32(
990                kKeyMaxInputSize, &maxInputSize));
991
992    format->setInt32("max-input-size", maxInputSize);
993    format->setInt32("channel-count", mAudioChannels);
994    format->setInt32("sample-rate", mSampleRate);
995    format->setInt32("bitrate", mAudioBitRate);
996    if (mAudioTimeScale > 0) {
997        format->setInt32("time-scale", mAudioTimeScale);
998    }
999    format->setInt32("priority", 0 /* realtime */);
1000
1001    sp<MediaCodecSource> audioEncoder =
1002            MediaCodecSource::Create(mLooper, format, audioSource);
1003    mAudioSourceNode = audioSource;
1004
1005    if (audioEncoder == NULL) {
1006        ALOGE("Failed to create audio encoder");
1007    }
1008
1009    return audioEncoder;
1010}
1011
1012status_t StagefrightRecorder::setupAACRecording() {
1013    // FIXME:
1014    // Add support for OUTPUT_FORMAT_AAC_ADIF
1015    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_AAC_ADTS);
1016
1017    CHECK(mAudioEncoder == AUDIO_ENCODER_AAC ||
1018          mAudioEncoder == AUDIO_ENCODER_HE_AAC ||
1019          mAudioEncoder == AUDIO_ENCODER_AAC_ELD);
1020    CHECK(mAudioSource != AUDIO_SOURCE_CNT);
1021
1022    mWriter = new AACWriter(mOutputFd);
1023    return setupRawAudioRecording();
1024}
1025
1026status_t StagefrightRecorder::setupAMRRecording() {
1027    CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
1028          mOutputFormat == OUTPUT_FORMAT_AMR_WB);
1029
1030    if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) {
1031        if (mAudioEncoder != AUDIO_ENCODER_DEFAULT &&
1032            mAudioEncoder != AUDIO_ENCODER_AMR_NB) {
1033            ALOGE("Invalid encoder %d used for AMRNB recording",
1034                    mAudioEncoder);
1035            return BAD_VALUE;
1036        }
1037    } else {  // mOutputFormat must be OUTPUT_FORMAT_AMR_WB
1038        if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) {
1039            ALOGE("Invlaid encoder %d used for AMRWB recording",
1040                    mAudioEncoder);
1041            return BAD_VALUE;
1042        }
1043    }
1044
1045    mWriter = new AMRWriter(mOutputFd);
1046    return setupRawAudioRecording();
1047}
1048
1049status_t StagefrightRecorder::setupRawAudioRecording() {
1050    if (mAudioSource >= AUDIO_SOURCE_CNT && mAudioSource != AUDIO_SOURCE_FM_TUNER) {
1051        ALOGE("Invalid audio source: %d", mAudioSource);
1052        return BAD_VALUE;
1053    }
1054
1055    status_t status = BAD_VALUE;
1056    if (OK != (status = checkAudioEncoderCapabilities())) {
1057        return status;
1058    }
1059
1060    sp<MediaCodecSource> audioEncoder = createAudioSource();
1061    if (audioEncoder == NULL) {
1062        return UNKNOWN_ERROR;
1063    }
1064
1065    CHECK(mWriter != 0);
1066    mWriter->addSource(audioEncoder);
1067    mAudioEncoderSource = audioEncoder;
1068
1069    if (mMaxFileDurationUs != 0) {
1070        mWriter->setMaxFileDuration(mMaxFileDurationUs);
1071    }
1072    if (mMaxFileSizeBytes != 0) {
1073        mWriter->setMaxFileSize(mMaxFileSizeBytes);
1074    }
1075    mWriter->setListener(mListener);
1076
1077    return OK;
1078}
1079
1080status_t StagefrightRecorder::setupRTPRecording() {
1081    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
1082
1083    if ((mAudioSource != AUDIO_SOURCE_CNT
1084                && mVideoSource != VIDEO_SOURCE_LIST_END)
1085            || (mAudioSource == AUDIO_SOURCE_CNT
1086                && mVideoSource == VIDEO_SOURCE_LIST_END)) {
1087        // Must have exactly one source.
1088        return BAD_VALUE;
1089    }
1090
1091    if (mOutputFd < 0) {
1092        return BAD_VALUE;
1093    }
1094
1095    sp<MediaCodecSource> source;
1096
1097    if (mAudioSource != AUDIO_SOURCE_CNT) {
1098        source = createAudioSource();
1099        mAudioEncoderSource = source;
1100    } else {
1101        setDefaultVideoEncoderIfNecessary();
1102
1103        sp<MediaSource> mediaSource;
1104        status_t err = setupMediaSource(&mediaSource);
1105        if (err != OK) {
1106            return err;
1107        }
1108
1109        err = setupVideoEncoder(mediaSource, &source);
1110        if (err != OK) {
1111            return err;
1112        }
1113        mVideoEncoderSource = source;
1114    }
1115
1116    mWriter = new ARTPWriter(mOutputFd);
1117    mWriter->addSource(source);
1118    mWriter->setListener(mListener);
1119
1120    return OK;
1121}
1122
1123status_t StagefrightRecorder::setupMPEG2TSRecording() {
1124    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
1125
1126    sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd);
1127
1128    if (mAudioSource != AUDIO_SOURCE_CNT) {
1129        if (mAudioEncoder != AUDIO_ENCODER_AAC &&
1130            mAudioEncoder != AUDIO_ENCODER_HE_AAC &&
1131            mAudioEncoder != AUDIO_ENCODER_AAC_ELD) {
1132            return ERROR_UNSUPPORTED;
1133        }
1134
1135        status_t err = setupAudioEncoder(writer);
1136
1137        if (err != OK) {
1138            return err;
1139        }
1140    }
1141
1142    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1143        if (mVideoEncoder != VIDEO_ENCODER_H264) {
1144            ALOGE("MPEG2TS recording only supports H.264 encoding!");
1145            return ERROR_UNSUPPORTED;
1146        }
1147
1148        sp<MediaSource> mediaSource;
1149        status_t err = setupMediaSource(&mediaSource);
1150        if (err != OK) {
1151            return err;
1152        }
1153
1154        sp<MediaCodecSource> encoder;
1155        err = setupVideoEncoder(mediaSource, &encoder);
1156
1157        if (err != OK) {
1158            return err;
1159        }
1160
1161        writer->addSource(encoder);
1162        mVideoEncoderSource = encoder;
1163    }
1164
1165    if (mMaxFileDurationUs != 0) {
1166        writer->setMaxFileDuration(mMaxFileDurationUs);
1167    }
1168
1169    if (mMaxFileSizeBytes != 0) {
1170        writer->setMaxFileSize(mMaxFileSizeBytes);
1171    }
1172
1173    mWriter = writer;
1174
1175    return OK;
1176}
1177
1178void StagefrightRecorder::clipVideoFrameRate() {
1179    ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
1180    if (mFrameRate == -1) {
1181        mFrameRate = mEncoderProfiles->getCamcorderProfileParamByName(
1182                "vid.fps", mCameraId, CAMCORDER_QUALITY_LOW);
1183        ALOGW("Using default video fps %d", mFrameRate);
1184    }
1185
1186    int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1187                        "enc.vid.fps.min", mVideoEncoder);
1188    int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1189                        "enc.vid.fps.max", mVideoEncoder);
1190    if (mFrameRate < minFrameRate && minFrameRate != -1) {
1191        ALOGW("Intended video encoding frame rate (%d fps) is too small"
1192             " and will be set to (%d fps)", mFrameRate, minFrameRate);
1193        mFrameRate = minFrameRate;
1194    } else if (mFrameRate > maxFrameRate && maxFrameRate != -1) {
1195        ALOGW("Intended video encoding frame rate (%d fps) is too large"
1196             " and will be set to (%d fps)", mFrameRate, maxFrameRate);
1197        mFrameRate = maxFrameRate;
1198    }
1199}
1200
1201void StagefrightRecorder::clipVideoBitRate() {
1202    ALOGV("clipVideoBitRate: encoder %d", mVideoEncoder);
1203    int minBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1204                        "enc.vid.bps.min", mVideoEncoder);
1205    int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1206                        "enc.vid.bps.max", mVideoEncoder);
1207    if (mVideoBitRate < minBitRate && minBitRate != -1) {
1208        ALOGW("Intended video encoding bit rate (%d bps) is too small"
1209             " and will be set to (%d bps)", mVideoBitRate, minBitRate);
1210        mVideoBitRate = minBitRate;
1211    } else if (mVideoBitRate > maxBitRate && maxBitRate != -1) {
1212        ALOGW("Intended video encoding bit rate (%d bps) is too large"
1213             " and will be set to (%d bps)", mVideoBitRate, maxBitRate);
1214        mVideoBitRate = maxBitRate;
1215    }
1216}
1217
1218void StagefrightRecorder::clipVideoFrameWidth() {
1219    ALOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder);
1220    int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1221                        "enc.vid.width.min", mVideoEncoder);
1222    int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1223                        "enc.vid.width.max", mVideoEncoder);
1224    if (mVideoWidth < minFrameWidth && minFrameWidth != -1) {
1225        ALOGW("Intended video encoding frame width (%d) is too small"
1226             " and will be set to (%d)", mVideoWidth, minFrameWidth);
1227        mVideoWidth = minFrameWidth;
1228    } else if (mVideoWidth > maxFrameWidth && maxFrameWidth != -1) {
1229        ALOGW("Intended video encoding frame width (%d) is too large"
1230             " and will be set to (%d)", mVideoWidth, maxFrameWidth);
1231        mVideoWidth = maxFrameWidth;
1232    }
1233}
1234
1235status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
1236    if (!mCaptureFpsEnable) {
1237        // Dont clip for time lapse capture as encoder will have enough
1238        // time to encode because of slow capture rate of time lapse.
1239        clipVideoBitRate();
1240        clipVideoFrameRate();
1241        clipVideoFrameWidth();
1242        clipVideoFrameHeight();
1243        setDefaultProfileIfNecessary();
1244    }
1245    return OK;
1246}
1247
1248// Set to use AVC baseline profile if the encoding parameters matches
1249// CAMCORDER_QUALITY_LOW profile; this is for the sake of MMS service.
1250void StagefrightRecorder::setDefaultProfileIfNecessary() {
1251    ALOGV("setDefaultProfileIfNecessary");
1252
1253    camcorder_quality quality = CAMCORDER_QUALITY_LOW;
1254
1255    int64_t durationUs   = mEncoderProfiles->getCamcorderProfileParamByName(
1256                                "duration", mCameraId, quality) * 1000000LL;
1257
1258    int fileFormat       = mEncoderProfiles->getCamcorderProfileParamByName(
1259                                "file.format", mCameraId, quality);
1260
1261    int videoCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1262                                "vid.codec", mCameraId, quality);
1263
1264    int videoBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1265                                "vid.bps", mCameraId, quality);
1266
1267    int videoFrameRate   = mEncoderProfiles->getCamcorderProfileParamByName(
1268                                "vid.fps", mCameraId, quality);
1269
1270    int videoFrameWidth  = mEncoderProfiles->getCamcorderProfileParamByName(
1271                                "vid.width", mCameraId, quality);
1272
1273    int videoFrameHeight = mEncoderProfiles->getCamcorderProfileParamByName(
1274                                "vid.height", mCameraId, quality);
1275
1276    int audioCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1277                                "aud.codec", mCameraId, quality);
1278
1279    int audioBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1280                                "aud.bps", mCameraId, quality);
1281
1282    int audioSampleRate  = mEncoderProfiles->getCamcorderProfileParamByName(
1283                                "aud.hz", mCameraId, quality);
1284
1285    int audioChannels    = mEncoderProfiles->getCamcorderProfileParamByName(
1286                                "aud.ch", mCameraId, quality);
1287
1288    if (durationUs == mMaxFileDurationUs &&
1289        fileFormat == mOutputFormat &&
1290        videoCodec == mVideoEncoder &&
1291        videoBitRate == mVideoBitRate &&
1292        videoFrameRate == mFrameRate &&
1293        videoFrameWidth == mVideoWidth &&
1294        videoFrameHeight == mVideoHeight &&
1295        audioCodec == mAudioEncoder &&
1296        audioBitRate == mAudioBitRate &&
1297        audioSampleRate == mSampleRate &&
1298        audioChannels == mAudioChannels) {
1299        if (videoCodec == VIDEO_ENCODER_H264) {
1300            ALOGI("Force to use AVC baseline profile");
1301            setParamVideoEncoderProfile(OMX_VIDEO_AVCProfileBaseline);
1302            // set 0 for invalid levels - this will be rejected by the
1303            // codec if it cannot handle it during configure
1304            setParamVideoEncoderLevel(ACodec::getAVCLevelFor(
1305                    videoFrameWidth, videoFrameHeight, videoFrameRate, videoBitRate));
1306        }
1307    }
1308}
1309
1310void StagefrightRecorder::setDefaultVideoEncoderIfNecessary() {
1311    if (mVideoEncoder == VIDEO_ENCODER_DEFAULT) {
1312        if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1313            // default to VP8 for WEBM recording
1314            mVideoEncoder = VIDEO_ENCODER_VP8;
1315        } else {
1316            // pick the default encoder for CAMCORDER_QUALITY_LOW
1317            int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName(
1318                    "vid.codec", mCameraId, CAMCORDER_QUALITY_LOW);
1319
1320            if (videoCodec > VIDEO_ENCODER_DEFAULT &&
1321                videoCodec < VIDEO_ENCODER_LIST_END) {
1322                mVideoEncoder = (video_encoder)videoCodec;
1323            } else {
1324                // default to H.264 if camcorder profile not available
1325                mVideoEncoder = VIDEO_ENCODER_H264;
1326            }
1327        }
1328    }
1329}
1330
1331status_t StagefrightRecorder::checkAudioEncoderCapabilities() {
1332    clipAudioBitRate();
1333    clipAudioSampleRate();
1334    clipNumberOfAudioChannels();
1335    return OK;
1336}
1337
1338void StagefrightRecorder::clipAudioBitRate() {
1339    ALOGV("clipAudioBitRate: encoder %d", mAudioEncoder);
1340
1341    int minAudioBitRate =
1342            mEncoderProfiles->getAudioEncoderParamByName(
1343                "enc.aud.bps.min", mAudioEncoder);
1344    if (minAudioBitRate != -1 && mAudioBitRate < minAudioBitRate) {
1345        ALOGW("Intended audio encoding bit rate (%d) is too small"
1346            " and will be set to (%d)", mAudioBitRate, minAudioBitRate);
1347        mAudioBitRate = minAudioBitRate;
1348    }
1349
1350    int maxAudioBitRate =
1351            mEncoderProfiles->getAudioEncoderParamByName(
1352                "enc.aud.bps.max", mAudioEncoder);
1353    if (maxAudioBitRate != -1 && mAudioBitRate > maxAudioBitRate) {
1354        ALOGW("Intended audio encoding bit rate (%d) is too large"
1355            " and will be set to (%d)", mAudioBitRate, maxAudioBitRate);
1356        mAudioBitRate = maxAudioBitRate;
1357    }
1358}
1359
1360void StagefrightRecorder::clipAudioSampleRate() {
1361    ALOGV("clipAudioSampleRate: encoder %d", mAudioEncoder);
1362
1363    int minSampleRate =
1364            mEncoderProfiles->getAudioEncoderParamByName(
1365                "enc.aud.hz.min", mAudioEncoder);
1366    if (minSampleRate != -1 && mSampleRate < minSampleRate) {
1367        ALOGW("Intended audio sample rate (%d) is too small"
1368            " and will be set to (%d)", mSampleRate, minSampleRate);
1369        mSampleRate = minSampleRate;
1370    }
1371
1372    int maxSampleRate =
1373            mEncoderProfiles->getAudioEncoderParamByName(
1374                "enc.aud.hz.max", mAudioEncoder);
1375    if (maxSampleRate != -1 && mSampleRate > maxSampleRate) {
1376        ALOGW("Intended audio sample rate (%d) is too large"
1377            " and will be set to (%d)", mSampleRate, maxSampleRate);
1378        mSampleRate = maxSampleRate;
1379    }
1380}
1381
1382void StagefrightRecorder::clipNumberOfAudioChannels() {
1383    ALOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder);
1384
1385    int minChannels =
1386            mEncoderProfiles->getAudioEncoderParamByName(
1387                "enc.aud.ch.min", mAudioEncoder);
1388    if (minChannels != -1 && mAudioChannels < minChannels) {
1389        ALOGW("Intended number of audio channels (%d) is too small"
1390            " and will be set to (%d)", mAudioChannels, minChannels);
1391        mAudioChannels = minChannels;
1392    }
1393
1394    int maxChannels =
1395            mEncoderProfiles->getAudioEncoderParamByName(
1396                "enc.aud.ch.max", mAudioEncoder);
1397    if (maxChannels != -1 && mAudioChannels > maxChannels) {
1398        ALOGW("Intended number of audio channels (%d) is too large"
1399            " and will be set to (%d)", mAudioChannels, maxChannels);
1400        mAudioChannels = maxChannels;
1401    }
1402}
1403
1404void StagefrightRecorder::clipVideoFrameHeight() {
1405    ALOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder);
1406    int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1407                        "enc.vid.height.min", mVideoEncoder);
1408    int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1409                        "enc.vid.height.max", mVideoEncoder);
1410    if (minFrameHeight != -1 && mVideoHeight < minFrameHeight) {
1411        ALOGW("Intended video encoding frame height (%d) is too small"
1412             " and will be set to (%d)", mVideoHeight, minFrameHeight);
1413        mVideoHeight = minFrameHeight;
1414    } else if (maxFrameHeight != -1 && mVideoHeight > maxFrameHeight) {
1415        ALOGW("Intended video encoding frame height (%d) is too large"
1416             " and will be set to (%d)", mVideoHeight, maxFrameHeight);
1417        mVideoHeight = maxFrameHeight;
1418    }
1419}
1420
1421// Set up the appropriate MediaSource depending on the chosen option
1422status_t StagefrightRecorder::setupMediaSource(
1423                      sp<MediaSource> *mediaSource) {
1424    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1425            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1426        sp<CameraSource> cameraSource;
1427        status_t err = setupCameraSource(&cameraSource);
1428        if (err != OK) {
1429            return err;
1430        }
1431        *mediaSource = cameraSource;
1432    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1433        *mediaSource = NULL;
1434    } else {
1435        return INVALID_OPERATION;
1436    }
1437    return OK;
1438}
1439
1440status_t StagefrightRecorder::setupCameraSource(
1441        sp<CameraSource> *cameraSource) {
1442    status_t err = OK;
1443    if ((err = checkVideoEncoderCapabilities()) != OK) {
1444        return err;
1445    }
1446    Size videoSize;
1447    videoSize.width = mVideoWidth;
1448    videoSize.height = mVideoHeight;
1449    if (mCaptureFpsEnable) {
1450        if (mTimeBetweenCaptureUs < 0) {
1451            ALOGE("Invalid mTimeBetweenTimeLapseFrameCaptureUs value: %lld",
1452                    (long long)mTimeBetweenCaptureUs);
1453            return BAD_VALUE;
1454        }
1455
1456        mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
1457                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1458                videoSize, mFrameRate, mPreviewSurface,
1459                mTimeBetweenCaptureUs);
1460        *cameraSource = mCameraSourceTimeLapse;
1461    } else {
1462        *cameraSource = CameraSource::CreateFromCamera(
1463                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1464                videoSize, mFrameRate,
1465                mPreviewSurface);
1466    }
1467    mCamera.clear();
1468    mCameraProxy.clear();
1469    if (*cameraSource == NULL) {
1470        return UNKNOWN_ERROR;
1471    }
1472
1473    if ((*cameraSource)->initCheck() != OK) {
1474        (*cameraSource).clear();
1475        *cameraSource = NULL;
1476        return NO_INIT;
1477    }
1478
1479    // When frame rate is not set, the actual frame rate will be set to
1480    // the current frame rate being used.
1481    if (mFrameRate == -1) {
1482        int32_t frameRate = 0;
1483        CHECK ((*cameraSource)->getFormat()->findInt32(
1484                    kKeyFrameRate, &frameRate));
1485        ALOGI("Frame rate is not explicitly set. Use the current frame "
1486             "rate (%d fps)", frameRate);
1487        mFrameRate = frameRate;
1488    }
1489
1490    CHECK(mFrameRate != -1);
1491
1492    mMetaDataStoredInVideoBuffers =
1493        (*cameraSource)->metaDataStoredInVideoBuffers();
1494
1495    return OK;
1496}
1497
1498status_t StagefrightRecorder::setupVideoEncoder(
1499        const sp<MediaSource> &cameraSource,
1500        sp<MediaCodecSource> *source) {
1501    source->clear();
1502
1503    sp<AMessage> format = new AMessage();
1504
1505    switch (mVideoEncoder) {
1506        case VIDEO_ENCODER_H263:
1507            format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
1508            break;
1509
1510        case VIDEO_ENCODER_MPEG_4_SP:
1511            format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
1512            break;
1513
1514        case VIDEO_ENCODER_H264:
1515            format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
1516            break;
1517
1518        case VIDEO_ENCODER_VP8:
1519            format->setString("mime", MEDIA_MIMETYPE_VIDEO_VP8);
1520            break;
1521
1522        case VIDEO_ENCODER_HEVC:
1523            format->setString("mime", MEDIA_MIMETYPE_VIDEO_HEVC);
1524            break;
1525
1526        default:
1527            CHECK(!"Should not be here, unsupported video encoding.");
1528            break;
1529    }
1530
1531    if (cameraSource != NULL) {
1532        sp<MetaData> meta = cameraSource->getFormat();
1533
1534        int32_t width, height, stride, sliceHeight, colorFormat;
1535        CHECK(meta->findInt32(kKeyWidth, &width));
1536        CHECK(meta->findInt32(kKeyHeight, &height));
1537        CHECK(meta->findInt32(kKeyStride, &stride));
1538        CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
1539        CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
1540
1541        format->setInt32("width", width);
1542        format->setInt32("height", height);
1543        format->setInt32("stride", stride);
1544        format->setInt32("slice-height", sliceHeight);
1545        format->setInt32("color-format", colorFormat);
1546    } else {
1547        format->setInt32("width", mVideoWidth);
1548        format->setInt32("height", mVideoHeight);
1549        format->setInt32("stride", mVideoWidth);
1550        format->setInt32("slice-height", mVideoHeight);
1551        format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque);
1552
1553        // set up time lapse/slow motion for surface source
1554        if (mCaptureFpsEnable) {
1555            if (mTimeBetweenCaptureUs <= 0) {
1556                ALOGE("Invalid mTimeBetweenCaptureUs value: %lld",
1557                        (long long)mTimeBetweenCaptureUs);
1558                return BAD_VALUE;
1559            }
1560            format->setInt64("time-lapse", mTimeBetweenCaptureUs);
1561        }
1562    }
1563
1564    format->setInt32("bitrate", mVideoBitRate);
1565    format->setInt32("frame-rate", mFrameRate);
1566    format->setInt32("i-frame-interval", mIFramesIntervalSec);
1567
1568    if (mVideoTimeScale > 0) {
1569        format->setInt32("time-scale", mVideoTimeScale);
1570    }
1571    if (mVideoEncoderProfile != -1) {
1572        format->setInt32("profile", mVideoEncoderProfile);
1573    }
1574    if (mVideoEncoderLevel != -1) {
1575        format->setInt32("level", mVideoEncoderLevel);
1576    }
1577
1578    uint32_t tsLayers = 1;
1579    bool preferBFrames = true; // we like B-frames as it produces better quality per bitrate
1580    format->setInt32("priority", 0 /* realtime */);
1581    float maxPlaybackFps = mFrameRate; // assume video is only played back at normal speed
1582
1583    if (mCaptureFpsEnable) {
1584        format->setFloat("operating-rate", mCaptureFps);
1585
1586        // enable layering for all time lapse and high frame rate recordings
1587        if (mFrameRate / mCaptureFps >= 1.9) { // time lapse
1588            preferBFrames = false;
1589            tsLayers = 2; // use at least two layers as resulting video will likely be sped up
1590        } else if (mCaptureFps > maxPlaybackFps) { // slow-mo
1591            maxPlaybackFps = mCaptureFps; // assume video will be played back at full capture speed
1592            preferBFrames = false;
1593        }
1594    }
1595
1596    for (uint32_t tryLayers = 1; tryLayers <= kMaxNumVideoTemporalLayers; ++tryLayers) {
1597        if (tryLayers > tsLayers) {
1598            tsLayers = tryLayers;
1599        }
1600        // keep going until the base layer fps falls below the typical display refresh rate
1601        float baseLayerFps = maxPlaybackFps / (1 << (tryLayers - 1));
1602        if (baseLayerFps < kMinTypicalDisplayRefreshingRate / 0.9) {
1603            break;
1604        }
1605    }
1606
1607    if (tsLayers > 1) {
1608        uint32_t bLayers = std::min(2u, tsLayers - 1); // use up-to 2 B-layers
1609        uint32_t pLayers = tsLayers - bLayers;
1610        format->setString(
1611                "ts-schema", AStringPrintf("android.generic.%u+%u", pLayers, bLayers));
1612
1613        // TODO: some encoders do not support B-frames with temporal layering, and we have a
1614        // different preference based on use-case. We could move this into camera profiles.
1615        format->setInt32("android._prefer-b-frames", preferBFrames);
1616    }
1617
1618    if (mMetaDataStoredInVideoBuffers != kMetadataBufferTypeInvalid) {
1619        format->setInt32("android._input-metadata-buffer-type", mMetaDataStoredInVideoBuffers);
1620    }
1621
1622    uint32_t flags = 0;
1623    if (cameraSource == NULL) {
1624        flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT;
1625    } else {
1626        // require dataspace setup even if not using surface input
1627        format->setInt32("android._using-recorder", 1);
1628    }
1629
1630    sp<MediaCodecSource> encoder = MediaCodecSource::Create(
1631            mLooper, format, cameraSource, mPersistentSurface, flags);
1632    if (encoder == NULL) {
1633        ALOGE("Failed to create video encoder");
1634        // When the encoder fails to be created, we need
1635        // release the camera source due to the camera's lock
1636        // and unlock mechanism.
1637        if (cameraSource != NULL) {
1638            cameraSource->stop();
1639        }
1640        return UNKNOWN_ERROR;
1641    }
1642
1643    if (cameraSource == NULL) {
1644        mGraphicBufferProducer = encoder->getGraphicBufferProducer();
1645    }
1646
1647    *source = encoder;
1648
1649    return OK;
1650}
1651
1652status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) {
1653    status_t status = BAD_VALUE;
1654    if (OK != (status = checkAudioEncoderCapabilities())) {
1655        return status;
1656    }
1657
1658    switch(mAudioEncoder) {
1659        case AUDIO_ENCODER_AMR_NB:
1660        case AUDIO_ENCODER_AMR_WB:
1661        case AUDIO_ENCODER_AAC:
1662        case AUDIO_ENCODER_HE_AAC:
1663        case AUDIO_ENCODER_AAC_ELD:
1664            break;
1665
1666        default:
1667            ALOGE("Unsupported audio encoder: %d", mAudioEncoder);
1668            return UNKNOWN_ERROR;
1669    }
1670
1671    sp<MediaCodecSource> audioEncoder = createAudioSource();
1672    if (audioEncoder == NULL) {
1673        return UNKNOWN_ERROR;
1674    }
1675
1676    writer->addSource(audioEncoder);
1677    mAudioEncoderSource = audioEncoder;
1678    return OK;
1679}
1680
1681status_t StagefrightRecorder::setupMPEG4orWEBMRecording() {
1682    mWriter.clear();
1683    mTotalBitRate = 0;
1684
1685    status_t err = OK;
1686    sp<MediaWriter> writer;
1687    sp<MPEG4Writer> mp4writer;
1688    if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1689        writer = new WebmWriter(mOutputFd);
1690    } else {
1691        writer = mp4writer = new MPEG4Writer(mOutputFd);
1692    }
1693
1694    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1695        setDefaultVideoEncoderIfNecessary();
1696
1697        sp<MediaSource> mediaSource;
1698        err = setupMediaSource(&mediaSource);
1699        if (err != OK) {
1700            return err;
1701        }
1702
1703        sp<MediaCodecSource> encoder;
1704        err = setupVideoEncoder(mediaSource, &encoder);
1705        if (err != OK) {
1706            return err;
1707        }
1708
1709        writer->addSource(encoder);
1710        mVideoEncoderSource = encoder;
1711        mTotalBitRate += mVideoBitRate;
1712    }
1713
1714    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1715        // Audio source is added at the end if it exists.
1716        // This help make sure that the "recoding" sound is suppressed for
1717        // camcorder applications in the recorded files.
1718        // TODO Audio source is currently unsupported for webm output; vorbis encoder needed.
1719        // disable audio for time lapse recording
1720        bool disableAudio = mCaptureFpsEnable && mCaptureFps < mFrameRate;
1721        if (!disableAudio && mAudioSource != AUDIO_SOURCE_CNT) {
1722            err = setupAudioEncoder(writer);
1723            if (err != OK) return err;
1724            mTotalBitRate += mAudioBitRate;
1725        }
1726
1727        if (mCaptureFpsEnable) {
1728            mp4writer->setCaptureRate(mCaptureFps);
1729        }
1730
1731        if (mInterleaveDurationUs > 0) {
1732            mp4writer->setInterleaveDuration(mInterleaveDurationUs);
1733        }
1734        if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) {
1735            mp4writer->setGeoData(mLatitudex10000, mLongitudex10000);
1736        }
1737    }
1738    if (mMaxFileDurationUs != 0) {
1739        writer->setMaxFileDuration(mMaxFileDurationUs);
1740    }
1741    if (mMaxFileSizeBytes != 0) {
1742        writer->setMaxFileSize(mMaxFileSizeBytes);
1743    }
1744    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1745            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1746        mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId);
1747    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1748        // surface source doesn't need large initial delay
1749        mStartTimeOffsetMs = 200;
1750    }
1751    if (mStartTimeOffsetMs > 0) {
1752        writer->setStartTimeOffsetMs(mStartTimeOffsetMs);
1753    }
1754
1755    writer->setListener(mListener);
1756    mWriter = writer;
1757    return OK;
1758}
1759
1760void StagefrightRecorder::setupMPEG4orWEBMMetaData(sp<MetaData> *meta) {
1761    int64_t startTimeUs = systemTime() / 1000;
1762    (*meta)->setInt64(kKeyTime, startTimeUs);
1763    (*meta)->setInt32(kKeyFileType, mOutputFormat);
1764    (*meta)->setInt32(kKeyBitRate, mTotalBitRate);
1765    if (mMovieTimeScale > 0) {
1766        (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
1767    }
1768    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1769        (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
1770        if (mTrackEveryTimeDurationUs > 0) {
1771            (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs);
1772        }
1773        if (mRotationDegrees != 0) {
1774            (*meta)->setInt32(kKeyRotation, mRotationDegrees);
1775        }
1776    }
1777}
1778
1779status_t StagefrightRecorder::pause() {
1780    ALOGV("pause");
1781    if (!mStarted) {
1782        return INVALID_OPERATION;
1783    }
1784
1785    // Already paused --- no-op.
1786    if (mPauseStartTimeUs != 0) {
1787        return OK;
1788    }
1789
1790    if (mAudioEncoderSource != NULL) {
1791        mAudioEncoderSource->pause();
1792    }
1793    if (mVideoEncoderSource != NULL) {
1794        mVideoEncoderSource->pause();
1795    }
1796
1797    mPauseStartTimeUs = systemTime() / 1000;
1798
1799    return OK;
1800}
1801
1802status_t StagefrightRecorder::resume() {
1803    ALOGV("resume");
1804    if (!mStarted) {
1805        return INVALID_OPERATION;
1806    }
1807
1808    // Not paused --- no-op.
1809    if (mPauseStartTimeUs == 0) {
1810        return OK;
1811    }
1812
1813    int64_t bufferStartTimeUs = 0;
1814    bool allSourcesStarted = true;
1815    for (const auto &source : { mAudioEncoderSource, mVideoEncoderSource }) {
1816        if (source == nullptr) {
1817            continue;
1818        }
1819        int64_t timeUs = source->getFirstSampleSystemTimeUs();
1820        if (timeUs < 0) {
1821            allSourcesStarted = false;
1822        }
1823        if (bufferStartTimeUs < timeUs) {
1824            bufferStartTimeUs = timeUs;
1825        }
1826    }
1827
1828    if (allSourcesStarted) {
1829        if (mPauseStartTimeUs < bufferStartTimeUs) {
1830            mPauseStartTimeUs = bufferStartTimeUs;
1831        }
1832        // 30 ms buffer to avoid timestamp overlap
1833        mTotalPausedDurationUs += (systemTime() / 1000) - mPauseStartTimeUs - 30000;
1834    }
1835    double timeOffset = -mTotalPausedDurationUs;
1836    if (mCaptureFpsEnable) {
1837        timeOffset *= mCaptureFps / mFrameRate;
1838    }
1839    for (const auto &source : { mAudioEncoderSource, mVideoEncoderSource }) {
1840        if (source == nullptr) {
1841            continue;
1842        }
1843        source->setInputBufferTimeOffset((int64_t)timeOffset);
1844        source->start();
1845    }
1846    mPauseStartTimeUs = 0;
1847
1848    return OK;
1849}
1850
1851status_t StagefrightRecorder::stop() {
1852    ALOGV("stop");
1853    status_t err = OK;
1854
1855    if (mCaptureFpsEnable && mCameraSourceTimeLapse != NULL) {
1856        mCameraSourceTimeLapse->startQuickReadReturns();
1857        mCameraSourceTimeLapse = NULL;
1858    }
1859
1860    if (mWriter != NULL) {
1861        err = mWriter->stop();
1862        mWriter.clear();
1863    }
1864    mTotalPausedDurationUs = 0;
1865    mPauseStartTimeUs = 0;
1866
1867    mGraphicBufferProducer.clear();
1868    mPersistentSurface.clear();
1869    mAudioEncoderSource.clear();
1870    mVideoEncoderSource.clear();
1871
1872    if (mOutputFd >= 0) {
1873        ::close(mOutputFd);
1874        mOutputFd = -1;
1875    }
1876
1877    if (mStarted) {
1878        mStarted = false;
1879
1880        uint32_t params = 0;
1881        if (mAudioSource != AUDIO_SOURCE_CNT) {
1882            params |= IMediaPlayerService::kBatteryDataTrackAudio;
1883        }
1884        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
1885            params |= IMediaPlayerService::kBatteryDataTrackVideo;
1886        }
1887
1888        addBatteryData(params);
1889    }
1890
1891    return err;
1892}
1893
1894status_t StagefrightRecorder::close() {
1895    ALOGV("close");
1896    stop();
1897
1898    return OK;
1899}
1900
1901status_t StagefrightRecorder::reset() {
1902    ALOGV("reset");
1903    stop();
1904
1905    // No audio or video source by default
1906    mAudioSource = AUDIO_SOURCE_CNT;
1907    mVideoSource = VIDEO_SOURCE_LIST_END;
1908
1909    // Default parameters
1910    mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
1911    mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
1912    mVideoEncoder  = VIDEO_ENCODER_DEFAULT;
1913    mVideoWidth    = 176;
1914    mVideoHeight   = 144;
1915    mFrameRate     = -1;
1916    mVideoBitRate  = 192000;
1917    mSampleRate    = 8000;
1918    mAudioChannels = 1;
1919    mAudioBitRate  = 12200;
1920    mInterleaveDurationUs = 0;
1921    mIFramesIntervalSec = 1;
1922    mAudioSourceNode = 0;
1923    mUse64BitFileOffset = false;
1924    mMovieTimeScale  = -1;
1925    mAudioTimeScale  = -1;
1926    mVideoTimeScale  = -1;
1927    mCameraId        = 0;
1928    mStartTimeOffsetMs = -1;
1929    mVideoEncoderProfile = -1;
1930    mVideoEncoderLevel   = -1;
1931    mMaxFileDurationUs = 0;
1932    mMaxFileSizeBytes = 0;
1933    mTrackEveryTimeDurationUs = 0;
1934    mCaptureFpsEnable = false;
1935    mCaptureFps = 0.0f;
1936    mTimeBetweenCaptureUs = -1;
1937    mCameraSourceTimeLapse = NULL;
1938    mMetaDataStoredInVideoBuffers = kMetadataBufferTypeInvalid;
1939    mEncoderProfiles = MediaProfiles::getInstance();
1940    mRotationDegrees = 0;
1941    mLatitudex10000 = -3600000;
1942    mLongitudex10000 = -3600000;
1943    mTotalBitRate = 0;
1944
1945    mOutputFd = -1;
1946
1947    return OK;
1948}
1949
1950status_t StagefrightRecorder::getMaxAmplitude(int *max) {
1951    ALOGV("getMaxAmplitude");
1952
1953    if (max == NULL) {
1954        ALOGE("Null pointer argument");
1955        return BAD_VALUE;
1956    }
1957
1958    if (mAudioSourceNode != 0) {
1959        *max = mAudioSourceNode->getMaxAmplitude();
1960    } else {
1961        *max = 0;
1962    }
1963
1964    return OK;
1965}
1966
1967status_t StagefrightRecorder::dump(
1968        int fd, const Vector<String16>& args) const {
1969    ALOGV("dump");
1970    const size_t SIZE = 256;
1971    char buffer[SIZE];
1972    String8 result;
1973    if (mWriter != 0) {
1974        mWriter->dump(fd, args);
1975    } else {
1976        snprintf(buffer, SIZE, "   No file writer\n");
1977        result.append(buffer);
1978    }
1979    snprintf(buffer, SIZE, "   Recorder: %p\n", this);
1980    snprintf(buffer, SIZE, "   Output file (fd %d):\n", mOutputFd);
1981    result.append(buffer);
1982    snprintf(buffer, SIZE, "     File format: %d\n", mOutputFormat);
1983    result.append(buffer);
1984    snprintf(buffer, SIZE, "     Max file size (bytes): %" PRId64 "\n", mMaxFileSizeBytes);
1985    result.append(buffer);
1986    snprintf(buffer, SIZE, "     Max file duration (us): %" PRId64 "\n", mMaxFileDurationUs);
1987    result.append(buffer);
1988    snprintf(buffer, SIZE, "     File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32);
1989    result.append(buffer);
1990    snprintf(buffer, SIZE, "     Interleave duration (us): %d\n", mInterleaveDurationUs);
1991    result.append(buffer);
1992    snprintf(buffer, SIZE, "     Progress notification: %" PRId64 " us\n", mTrackEveryTimeDurationUs);
1993    result.append(buffer);
1994    snprintf(buffer, SIZE, "   Audio\n");
1995    result.append(buffer);
1996    snprintf(buffer, SIZE, "     Source: %d\n", mAudioSource);
1997    result.append(buffer);
1998    snprintf(buffer, SIZE, "     Encoder: %d\n", mAudioEncoder);
1999    result.append(buffer);
2000    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mAudioBitRate);
2001    result.append(buffer);
2002    snprintf(buffer, SIZE, "     Sampling rate (hz): %d\n", mSampleRate);
2003    result.append(buffer);
2004    snprintf(buffer, SIZE, "     Number of channels: %d\n", mAudioChannels);
2005    result.append(buffer);
2006    snprintf(buffer, SIZE, "     Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude());
2007    result.append(buffer);
2008    snprintf(buffer, SIZE, "   Video\n");
2009    result.append(buffer);
2010    snprintf(buffer, SIZE, "     Source: %d\n", mVideoSource);
2011    result.append(buffer);
2012    snprintf(buffer, SIZE, "     Camera Id: %d\n", mCameraId);
2013    result.append(buffer);
2014    snprintf(buffer, SIZE, "     Start time offset (ms): %d\n", mStartTimeOffsetMs);
2015    result.append(buffer);
2016    snprintf(buffer, SIZE, "     Encoder: %d\n", mVideoEncoder);
2017    result.append(buffer);
2018    snprintf(buffer, SIZE, "     Encoder profile: %d\n", mVideoEncoderProfile);
2019    result.append(buffer);
2020    snprintf(buffer, SIZE, "     Encoder level: %d\n", mVideoEncoderLevel);
2021    result.append(buffer);
2022    snprintf(buffer, SIZE, "     I frames interval (s): %d\n", mIFramesIntervalSec);
2023    result.append(buffer);
2024    snprintf(buffer, SIZE, "     Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight);
2025    result.append(buffer);
2026    snprintf(buffer, SIZE, "     Frame rate (fps): %d\n", mFrameRate);
2027    result.append(buffer);
2028    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mVideoBitRate);
2029    result.append(buffer);
2030    ::write(fd, result.string(), result.size());
2031    return OK;
2032}
2033}  // namespace android
2034