StagefrightRecorder.cpp revision c96cfbe66d7bf261c57ff93984bc6a4b3a58f6fc 
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
62// To collect the encoder usage for the battery app
63static void addBatteryData(uint32_t params) {
64    sp<IBinder> binder =
65        defaultServiceManager()->getService(String16("media.player"));
66    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
67    CHECK(service.get() != NULL);
68
69    service->addBatteryData(params);
70}
71
72
73StagefrightRecorder::StagefrightRecorder(const String16 &opPackageName)
74    : MediaRecorderBase(opPackageName),
75      mWriter(NULL),
76      mOutputFd(-1),
77      mAudioSource(AUDIO_SOURCE_CNT),
78      mVideoSource(VIDEO_SOURCE_LIST_END),
79      mStarted(false) {
80
81    ALOGV("Constructor");
82    reset();
83}
84
85StagefrightRecorder::~StagefrightRecorder() {
86    ALOGV("Destructor");
87    stop();
88
89    if (mLooper != NULL) {
90        mLooper->stop();
91    }
92}
93
94status_t StagefrightRecorder::init() {
95    ALOGV("init");
96
97    mLooper = new ALooper;
98    mLooper->setName("recorder_looper");
99    mLooper->start();
100
101    return OK;
102}
103
104// The client side of mediaserver asks it to creat a SurfaceMediaSource
105// and return a interface reference. The client side will use that
106// while encoding GL Frames
107sp<IGraphicBufferProducer> StagefrightRecorder::querySurfaceMediaSource() const {
108    ALOGV("Get SurfaceMediaSource");
109    return mGraphicBufferProducer;
110}
111
112status_t StagefrightRecorder::setAudioSource(audio_source_t as) {
113    ALOGV("setAudioSource: %d", as);
114    if (as < AUDIO_SOURCE_DEFAULT ||
115        (as >= AUDIO_SOURCE_CNT && as != AUDIO_SOURCE_FM_TUNER)) {
116        ALOGE("Invalid audio source: %d", as);
117        return BAD_VALUE;
118    }
119
120    if (as == AUDIO_SOURCE_DEFAULT) {
121        mAudioSource = AUDIO_SOURCE_MIC;
122    } else {
123        mAudioSource = as;
124    }
125
126    return OK;
127}
128
129status_t StagefrightRecorder::setVideoSource(video_source vs) {
130    ALOGV("setVideoSource: %d", vs);
131    if (vs < VIDEO_SOURCE_DEFAULT ||
132        vs >= VIDEO_SOURCE_LIST_END) {
133        ALOGE("Invalid video source: %d", vs);
134        return BAD_VALUE;
135    }
136
137    if (vs == VIDEO_SOURCE_DEFAULT) {
138        mVideoSource = VIDEO_SOURCE_CAMERA;
139    } else {
140        mVideoSource = vs;
141    }
142
143    return OK;
144}
145
146status_t StagefrightRecorder::setOutputFormat(output_format of) {
147    ALOGV("setOutputFormat: %d", of);
148    if (of < OUTPUT_FORMAT_DEFAULT ||
149        of >= OUTPUT_FORMAT_LIST_END) {
150        ALOGE("Invalid output format: %d", of);
151        return BAD_VALUE;
152    }
153
154    if (of == OUTPUT_FORMAT_DEFAULT) {
155        mOutputFormat = OUTPUT_FORMAT_THREE_GPP;
156    } else {
157        mOutputFormat = of;
158    }
159
160    return OK;
161}
162
163status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) {
164    ALOGV("setAudioEncoder: %d", ae);
165    if (ae < AUDIO_ENCODER_DEFAULT ||
166        ae >= AUDIO_ENCODER_LIST_END) {
167        ALOGE("Invalid audio encoder: %d", ae);
168        return BAD_VALUE;
169    }
170
171    if (ae == AUDIO_ENCODER_DEFAULT) {
172        mAudioEncoder = AUDIO_ENCODER_AMR_NB;
173    } else {
174        mAudioEncoder = ae;
175    }
176
177    return OK;
178}
179
180status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) {
181    ALOGV("setVideoEncoder: %d", ve);
182    if (ve < VIDEO_ENCODER_DEFAULT ||
183        ve >= VIDEO_ENCODER_LIST_END) {
184        ALOGE("Invalid video encoder: %d", ve);
185        return BAD_VALUE;
186    }
187
188    mVideoEncoder = ve;
189
190    return OK;
191}
192
193status_t StagefrightRecorder::setVideoSize(int width, int height) {
194    ALOGV("setVideoSize: %dx%d", width, height);
195    if (width <= 0 || height <= 0) {
196        ALOGE("Invalid video size: %dx%d", width, height);
197        return BAD_VALUE;
198    }
199
200    // Additional check on the dimension will be performed later
201    mVideoWidth = width;
202    mVideoHeight = height;
203
204    return OK;
205}
206
207status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) {
208    ALOGV("setVideoFrameRate: %d", frames_per_second);
209    if ((frames_per_second <= 0 && frames_per_second != -1) ||
210        frames_per_second > kMaxHighSpeedFps) {
211        ALOGE("Invalid video frame rate: %d", frames_per_second);
212        return BAD_VALUE;
213    }
214
215    // Additional check on the frame rate will be performed later
216    mFrameRate = frames_per_second;
217
218    return OK;
219}
220
221status_t StagefrightRecorder::setCamera(const sp<hardware::ICamera> &camera,
222                                        const sp<ICameraRecordingProxy> &proxy) {
223    ALOGV("setCamera");
224    if (camera == 0) {
225        ALOGE("camera is NULL");
226        return BAD_VALUE;
227    }
228    if (proxy == 0) {
229        ALOGE("camera proxy is NULL");
230        return BAD_VALUE;
231    }
232
233    mCamera = camera;
234    mCameraProxy = proxy;
235    return OK;
236}
237
238status_t StagefrightRecorder::setPreviewSurface(const sp<IGraphicBufferProducer> &surface) {
239    ALOGV("setPreviewSurface: %p", surface.get());
240    mPreviewSurface = surface;
241
242    return OK;
243}
244
245status_t StagefrightRecorder::setInputSurface(
246        const sp<IGraphicBufferConsumer>& surface) {
247    mPersistentSurface = surface;
248
249    return OK;
250}
251
252status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) {
253    ALOGV("setOutputFile: %d, %lld, %lld", fd, (long long)offset, (long long)length);
254    // These don't make any sense, do they?
255    CHECK_EQ(offset, 0ll);
256    CHECK_EQ(length, 0ll);
257
258    if (fd < 0) {
259        ALOGE("Invalid file descriptor: %d", fd);
260        return -EBADF;
261    }
262
263    // start with a clean, empty file
264    ftruncate(fd, 0);
265
266    if (mOutputFd >= 0) {
267        ::close(mOutputFd);
268    }
269    mOutputFd = dup(fd);
270
271    return OK;
272}
273
274// Attempt to parse an float literal optionally surrounded by whitespace,
275// returns true on success, false otherwise.
276static bool safe_strtof(const char *s, float *val) {
277    char *end;
278
279    // It is lame, but according to man page, we have to set errno to 0
280    // before calling strtof().
281    errno = 0;
282    *val = strtof(s, &end);
283
284    if (end == s || errno == ERANGE) {
285        return false;
286    }
287
288    // Skip trailing whitespace
289    while (isspace(*end)) {
290        ++end;
291    }
292
293    // For a successful return, the string must contain nothing but a valid
294    // float literal optionally surrounded by whitespace.
295
296    return *end == '\0';
297}
298
299// Attempt to parse an int64 literal optionally surrounded by whitespace,
300// returns true on success, false otherwise.
301static bool safe_strtoi64(const char *s, int64_t *val) {
302    char *end;
303
304    // It is lame, but according to man page, we have to set errno to 0
305    // before calling strtoll().
306    errno = 0;
307    *val = strtoll(s, &end, 10);
308
309    if (end == s || errno == ERANGE) {
310        return false;
311    }
312
313    // Skip trailing whitespace
314    while (isspace(*end)) {
315        ++end;
316    }
317
318    // For a successful return, the string must contain nothing but a valid
319    // int64 literal optionally surrounded by whitespace.
320
321    return *end == '\0';
322}
323
324// Return true if the value is in [0, 0x007FFFFFFF]
325static bool safe_strtoi32(const char *s, int32_t *val) {
326    int64_t temp;
327    if (safe_strtoi64(s, &temp)) {
328        if (temp >= 0 && temp <= 0x007FFFFFFF) {
329            *val = static_cast<int32_t>(temp);
330            return true;
331        }
332    }
333    return false;
334}
335
336// Trim both leading and trailing whitespace from the given string.
337static void TrimString(String8 *s) {
338    size_t num_bytes = s->bytes();
339    const char *data = s->string();
340
341    size_t leading_space = 0;
342    while (leading_space < num_bytes && isspace(data[leading_space])) {
343        ++leading_space;
344    }
345
346    size_t i = num_bytes;
347    while (i > leading_space && isspace(data[i - 1])) {
348        --i;
349    }
350
351    s->setTo(String8(&data[leading_space], i - leading_space));
352}
353
354status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) {
355    ALOGV("setParamAudioSamplingRate: %d", sampleRate);
356    if (sampleRate <= 0) {
357        ALOGE("Invalid audio sampling rate: %d", sampleRate);
358        return BAD_VALUE;
359    }
360
361    // Additional check on the sample rate will be performed later.
362    mSampleRate = sampleRate;
363    return OK;
364}
365
366status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) {
367    ALOGV("setParamAudioNumberOfChannels: %d", channels);
368    if (channels <= 0 || channels >= 3) {
369        ALOGE("Invalid number of audio channels: %d", channels);
370        return BAD_VALUE;
371    }
372
373    // Additional check on the number of channels will be performed later.
374    mAudioChannels = channels;
375    return OK;
376}
377
378status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) {
379    ALOGV("setParamAudioEncodingBitRate: %d", bitRate);
380    if (bitRate <= 0) {
381        ALOGE("Invalid audio encoding bit rate: %d", bitRate);
382        return BAD_VALUE;
383    }
384
385    // The target bit rate may not be exactly the same as the requested.
386    // It depends on many factors, such as rate control, and the bit rate
387    // range that a specific encoder supports. The mismatch between the
388    // the target and requested bit rate will NOT be treated as an error.
389    mAudioBitRate = bitRate;
390    return OK;
391}
392
393status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) {
394    ALOGV("setParamVideoEncodingBitRate: %d", bitRate);
395    if (bitRate <= 0) {
396        ALOGE("Invalid video encoding bit rate: %d", bitRate);
397        return BAD_VALUE;
398    }
399
400    // The target bit rate may not be exactly the same as the requested.
401    // It depends on many factors, such as rate control, and the bit rate
402    // range that a specific encoder supports. The mismatch between the
403    // the target and requested bit rate will NOT be treated as an error.
404    mVideoBitRate = bitRate;
405    return OK;
406}
407
408// Always rotate clockwise, and only support 0, 90, 180 and 270 for now.
409status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) {
410    ALOGV("setParamVideoRotation: %d", degrees);
411    if (degrees < 0 || degrees % 90 != 0) {
412        ALOGE("Unsupported video rotation angle: %d", degrees);
413        return BAD_VALUE;
414    }
415    mRotationDegrees = degrees % 360;
416    return OK;
417}
418
419status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) {
420    ALOGV("setParamMaxFileDurationUs: %lld us", (long long)timeUs);
421
422    // This is meant for backward compatibility for MediaRecorder.java
423    if (timeUs <= 0) {
424        ALOGW("Max file duration is not positive: %lld us. Disabling duration limit.",
425                (long long)timeUs);
426        timeUs = 0; // Disable the duration limit for zero or negative values.
427    } else if (timeUs <= 100000LL) {  // XXX: 100 milli-seconds
428        ALOGE("Max file duration is too short: %lld us", (long long)timeUs);
429        return BAD_VALUE;
430    }
431
432    if (timeUs <= 15 * 1000000LL) {
433        ALOGW("Target duration (%lld us) too short to be respected", (long long)timeUs);
434    }
435    mMaxFileDurationUs = timeUs;
436    return OK;
437}
438
439status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
440    ALOGV("setParamMaxFileSizeBytes: %lld bytes", (long long)bytes);
441
442    // This is meant for backward compatibility for MediaRecorder.java
443    if (bytes <= 0) {
444        ALOGW("Max file size is not positive: %lld bytes. "
445             "Disabling file size limit.", (long long)bytes);
446        bytes = 0; // Disable the file size limit for zero or negative values.
447    } else if (bytes <= 1024) {  // XXX: 1 kB
448        ALOGE("Max file size is too small: %lld bytes", (long long)bytes);
449        return BAD_VALUE;
450    }
451
452    if (bytes <= 100 * 1024) {
453        ALOGW("Target file size (%lld bytes) is too small to be respected", (long long)bytes);
454    }
455
456    mMaxFileSizeBytes = bytes;
457    return OK;
458}
459
460status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) {
461    ALOGV("setParamInterleaveDuration: %d", durationUs);
462    if (durationUs <= 500000) {           //  500 ms
463        // If interleave duration is too small, it is very inefficient to do
464        // interleaving since the metadata overhead will count for a significant
465        // portion of the saved contents
466        ALOGE("Audio/video interleave duration is too small: %d us", durationUs);
467        return BAD_VALUE;
468    } else if (durationUs >= 10000000) {  // 10 seconds
469        // If interleaving duration is too large, it can cause the recording
470        // session to use too much memory since we have to save the output
471        // data before we write them out
472        ALOGE("Audio/video interleave duration is too large: %d us", durationUs);
473        return BAD_VALUE;
474    }
475    mInterleaveDurationUs = durationUs;
476    return OK;
477}
478
479// If seconds <  0, only the first frame is I frame, and rest are all P frames
480// If seconds == 0, all frames are encoded as I frames. No P frames
481// If seconds >  0, it is the time spacing (seconds) between 2 neighboring I frames
482status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) {
483    ALOGV("setParamVideoIFramesInterval: %d seconds", seconds);
484    mIFramesIntervalSec = seconds;
485    return OK;
486}
487
488status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) {
489    ALOGV("setParam64BitFileOffset: %s",
490        use64Bit? "use 64 bit file offset": "use 32 bit file offset");
491    mUse64BitFileOffset = use64Bit;
492    return OK;
493}
494
495status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) {
496    ALOGV("setParamVideoCameraId: %d", cameraId);
497    if (cameraId < 0) {
498        return BAD_VALUE;
499    }
500    mCameraId = cameraId;
501    return OK;
502}
503
504status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) {
505    ALOGV("setParamTrackTimeStatus: %lld", (long long)timeDurationUs);
506    if (timeDurationUs < 20000) {  // Infeasible if shorter than 20 ms?
507        ALOGE("Tracking time duration too short: %lld us", (long long)timeDurationUs);
508        return BAD_VALUE;
509    }
510    mTrackEveryTimeDurationUs = timeDurationUs;
511    return OK;
512}
513
514status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) {
515    ALOGV("setParamVideoEncoderProfile: %d", profile);
516
517    // Additional check will be done later when we load the encoder.
518    // For now, we are accepting values defined in OpenMAX IL.
519    mVideoEncoderProfile = profile;
520    return OK;
521}
522
523status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) {
524    ALOGV("setParamVideoEncoderLevel: %d", level);
525
526    // Additional check will be done later when we load the encoder.
527    // For now, we are accepting values defined in OpenMAX IL.
528    mVideoEncoderLevel = level;
529    return OK;
530}
531
532status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) {
533    ALOGV("setParamMovieTimeScale: %d", timeScale);
534
535    // The range is set to be the same as the audio's time scale range
536    // since audio's time scale has a wider range.
537    if (timeScale < 600 || timeScale > 96000) {
538        ALOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale);
539        return BAD_VALUE;
540    }
541    mMovieTimeScale = timeScale;
542    return OK;
543}
544
545status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) {
546    ALOGV("setParamVideoTimeScale: %d", timeScale);
547
548    // 60000 is chosen to make sure that each video frame from a 60-fps
549    // video has 1000 ticks.
550    if (timeScale < 600 || timeScale > 60000) {
551        ALOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale);
552        return BAD_VALUE;
553    }
554    mVideoTimeScale = timeScale;
555    return OK;
556}
557
558status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) {
559    ALOGV("setParamAudioTimeScale: %d", timeScale);
560
561    // 96000 Hz is the highest sampling rate support in AAC.
562    if (timeScale < 600 || timeScale > 96000) {
563        ALOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale);
564        return BAD_VALUE;
565    }
566    mAudioTimeScale = timeScale;
567    return OK;
568}
569
570status_t StagefrightRecorder::setParamCaptureFpsEnable(int32_t captureFpsEnable) {
571    ALOGV("setParamCaptureFpsEnable: %d", captureFpsEnable);
572
573    if(captureFpsEnable == 0) {
574        mCaptureFpsEnable = false;
575    } else if (captureFpsEnable == 1) {
576        mCaptureFpsEnable = true;
577    } else {
578        return BAD_VALUE;
579    }
580    return OK;
581}
582
583status_t StagefrightRecorder::setParamCaptureFps(float fps) {
584    ALOGV("setParamCaptureFps: %.2f", fps);
585
586    int64_t timeUs = (int64_t) (1000000.0 / fps + 0.5f);
587
588    // Not allowing time more than a day
589    if (timeUs <= 0 || timeUs > 86400*1E6) {
590        ALOGE("Time between frame capture (%lld) is out of range [0, 1 Day]", (long long)timeUs);
591        return BAD_VALUE;
592    }
593
594    mCaptureFps = fps;
595    mTimeBetweenCaptureUs = timeUs;
596    return OK;
597}
598
599status_t StagefrightRecorder::setParamGeoDataLongitude(
600    int64_t longitudex10000) {
601
602    if (longitudex10000 > 1800000 || longitudex10000 < -1800000) {
603        return BAD_VALUE;
604    }
605    mLongitudex10000 = longitudex10000;
606    return OK;
607}
608
609status_t StagefrightRecorder::setParamGeoDataLatitude(
610    int64_t latitudex10000) {
611
612    if (latitudex10000 > 900000 || latitudex10000 < -900000) {
613        return BAD_VALUE;
614    }
615    mLatitudex10000 = latitudex10000;
616    return OK;
617}
618
619status_t StagefrightRecorder::setParameter(
620        const String8 &key, const String8 &value) {
621    ALOGV("setParameter: key (%s) => value (%s)", key.string(), value.string());
622    if (key == "max-duration") {
623        int64_t max_duration_ms;
624        if (safe_strtoi64(value.string(), &max_duration_ms)) {
625            return setParamMaxFileDurationUs(1000LL * max_duration_ms);
626        }
627    } else if (key == "max-filesize") {
628        int64_t max_filesize_bytes;
629        if (safe_strtoi64(value.string(), &max_filesize_bytes)) {
630            return setParamMaxFileSizeBytes(max_filesize_bytes);
631        }
632    } else if (key == "interleave-duration-us") {
633        int32_t durationUs;
634        if (safe_strtoi32(value.string(), &durationUs)) {
635            return setParamInterleaveDuration(durationUs);
636        }
637    } else if (key == "param-movie-time-scale") {
638        int32_t timeScale;
639        if (safe_strtoi32(value.string(), &timeScale)) {
640            return setParamMovieTimeScale(timeScale);
641        }
642    } else if (key == "param-use-64bit-offset") {
643        int32_t use64BitOffset;
644        if (safe_strtoi32(value.string(), &use64BitOffset)) {
645            return setParam64BitFileOffset(use64BitOffset != 0);
646        }
647    } else if (key == "param-geotag-longitude") {
648        int64_t longitudex10000;
649        if (safe_strtoi64(value.string(), &longitudex10000)) {
650            return setParamGeoDataLongitude(longitudex10000);
651        }
652    } else if (key == "param-geotag-latitude") {
653        int64_t latitudex10000;
654        if (safe_strtoi64(value.string(), &latitudex10000)) {
655            return setParamGeoDataLatitude(latitudex10000);
656        }
657    } else if (key == "param-track-time-status") {
658        int64_t timeDurationUs;
659        if (safe_strtoi64(value.string(), &timeDurationUs)) {
660            return setParamTrackTimeStatus(timeDurationUs);
661        }
662    } else if (key == "audio-param-sampling-rate") {
663        int32_t sampling_rate;
664        if (safe_strtoi32(value.string(), &sampling_rate)) {
665            return setParamAudioSamplingRate(sampling_rate);
666        }
667    } else if (key == "audio-param-number-of-channels") {
668        int32_t number_of_channels;
669        if (safe_strtoi32(value.string(), &number_of_channels)) {
670            return setParamAudioNumberOfChannels(number_of_channels);
671        }
672    } else if (key == "audio-param-encoding-bitrate") {
673        int32_t audio_bitrate;
674        if (safe_strtoi32(value.string(), &audio_bitrate)) {
675            return setParamAudioEncodingBitRate(audio_bitrate);
676        }
677    } else if (key == "audio-param-time-scale") {
678        int32_t timeScale;
679        if (safe_strtoi32(value.string(), &timeScale)) {
680            return setParamAudioTimeScale(timeScale);
681        }
682    } else if (key == "video-param-encoding-bitrate") {
683        int32_t video_bitrate;
684        if (safe_strtoi32(value.string(), &video_bitrate)) {
685            return setParamVideoEncodingBitRate(video_bitrate);
686        }
687    } else if (key == "video-param-rotation-angle-degrees") {
688        int32_t degrees;
689        if (safe_strtoi32(value.string(), &degrees)) {
690            return setParamVideoRotation(degrees);
691        }
692    } else if (key == "video-param-i-frames-interval") {
693        int32_t seconds;
694        if (safe_strtoi32(value.string(), &seconds)) {
695            return setParamVideoIFramesInterval(seconds);
696        }
697    } else if (key == "video-param-encoder-profile") {
698        int32_t profile;
699        if (safe_strtoi32(value.string(), &profile)) {
700            return setParamVideoEncoderProfile(profile);
701        }
702    } else if (key == "video-param-encoder-level") {
703        int32_t level;
704        if (safe_strtoi32(value.string(), &level)) {
705            return setParamVideoEncoderLevel(level);
706        }
707    } else if (key == "video-param-camera-id") {
708        int32_t cameraId;
709        if (safe_strtoi32(value.string(), &cameraId)) {
710            return setParamVideoCameraId(cameraId);
711        }
712    } else if (key == "video-param-time-scale") {
713        int32_t timeScale;
714        if (safe_strtoi32(value.string(), &timeScale)) {
715            return setParamVideoTimeScale(timeScale);
716        }
717    } else if (key == "time-lapse-enable") {
718        int32_t captureFpsEnable;
719        if (safe_strtoi32(value.string(), &captureFpsEnable)) {
720            return setParamCaptureFpsEnable(captureFpsEnable);
721        }
722    } else if (key == "time-lapse-fps") {
723        float fps;
724        if (safe_strtof(value.string(), &fps)) {
725            return setParamCaptureFps(fps);
726        }
727    } else {
728        ALOGE("setParameter: failed to find key %s", key.string());
729    }
730    return BAD_VALUE;
731}
732
733status_t StagefrightRecorder::setParameters(const String8 &params) {
734    ALOGV("setParameters: %s", params.string());
735    const char *cparams = params.string();
736    const char *key_start = cparams;
737    for (;;) {
738        const char *equal_pos = strchr(key_start, '=');
739        if (equal_pos == NULL) {
740            ALOGE("Parameters %s miss a value", cparams);
741            return BAD_VALUE;
742        }
743        String8 key(key_start, equal_pos - key_start);
744        TrimString(&key);
745        if (key.length() == 0) {
746            ALOGE("Parameters %s contains an empty key", cparams);
747            return BAD_VALUE;
748        }
749        const char *value_start = equal_pos + 1;
750        const char *semicolon_pos = strchr(value_start, ';');
751        String8 value;
752        if (semicolon_pos == NULL) {
753            value.setTo(value_start);
754        } else {
755            value.setTo(value_start, semicolon_pos - value_start);
756        }
757        if (setParameter(key, value) != OK) {
758            return BAD_VALUE;
759        }
760        if (semicolon_pos == NULL) {
761            break;  // Reaches the end
762        }
763        key_start = semicolon_pos + 1;
764    }
765    return OK;
766}
767
768status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) {
769    mListener = listener;
770
771    return OK;
772}
773
774status_t StagefrightRecorder::setClientName(const String16& clientName) {
775    mClientName = clientName;
776
777    return OK;
778}
779
780status_t StagefrightRecorder::prepareInternal() {
781    ALOGV("prepare");
782    if (mOutputFd < 0) {
783        ALOGE("Output file descriptor is invalid");
784        return INVALID_OPERATION;
785    }
786
787    // Get UID and PID here for permission checking
788    mClientUid = IPCThreadState::self()->getCallingUid();
789    mClientPid = IPCThreadState::self()->getCallingPid();
790
791    status_t status = OK;
792
793    switch (mOutputFormat) {
794        case OUTPUT_FORMAT_DEFAULT:
795        case OUTPUT_FORMAT_THREE_GPP:
796        case OUTPUT_FORMAT_MPEG_4:
797        case OUTPUT_FORMAT_WEBM:
798            status = setupMPEG4orWEBMRecording();
799            break;
800
801        case OUTPUT_FORMAT_AMR_NB:
802        case OUTPUT_FORMAT_AMR_WB:
803            status = setupAMRRecording();
804            break;
805
806        case OUTPUT_FORMAT_AAC_ADIF:
807        case OUTPUT_FORMAT_AAC_ADTS:
808            status = setupAACRecording();
809            break;
810
811        case OUTPUT_FORMAT_RTP_AVP:
812            status = setupRTPRecording();
813            break;
814
815        case OUTPUT_FORMAT_MPEG2TS:
816            status = setupMPEG2TSRecording();
817            break;
818
819        default:
820            ALOGE("Unsupported output file format: %d", mOutputFormat);
821            status = UNKNOWN_ERROR;
822            break;
823    }
824
825    ALOGV("Recording frameRate: %d captureFps: %f",
826            mFrameRate, mCaptureFps);
827
828    return status;
829}
830
831status_t StagefrightRecorder::prepare() {
832    if (mVideoSource == VIDEO_SOURCE_SURFACE) {
833        return prepareInternal();
834    }
835    return OK;
836}
837
838status_t StagefrightRecorder::start() {
839    ALOGV("start");
840    if (mOutputFd < 0) {
841        ALOGE("Output file descriptor is invalid");
842        return INVALID_OPERATION;
843    }
844
845    status_t status = OK;
846
847    if (mVideoSource != VIDEO_SOURCE_SURFACE) {
848        status = prepareInternal();
849        if (status != OK) {
850            return status;
851        }
852    }
853
854    if (mWriter == NULL) {
855        ALOGE("File writer is not avaialble");
856        return UNKNOWN_ERROR;
857    }
858
859    switch (mOutputFormat) {
860        case OUTPUT_FORMAT_DEFAULT:
861        case OUTPUT_FORMAT_THREE_GPP:
862        case OUTPUT_FORMAT_MPEG_4:
863        case OUTPUT_FORMAT_WEBM:
864        {
865            bool isMPEG4 = true;
866            if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
867                isMPEG4 = false;
868            }
869            sp<MetaData> meta = new MetaData;
870            setupMPEG4orWEBMMetaData(&meta);
871            status = mWriter->start(meta.get());
872            break;
873        }
874
875        case OUTPUT_FORMAT_AMR_NB:
876        case OUTPUT_FORMAT_AMR_WB:
877        case OUTPUT_FORMAT_AAC_ADIF:
878        case OUTPUT_FORMAT_AAC_ADTS:
879        case OUTPUT_FORMAT_RTP_AVP:
880        case OUTPUT_FORMAT_MPEG2TS:
881        {
882            status = mWriter->start();
883            break;
884        }
885
886        default:
887        {
888            ALOGE("Unsupported output file format: %d", mOutputFormat);
889            status = UNKNOWN_ERROR;
890            break;
891        }
892    }
893
894    if (status != OK) {
895        mWriter.clear();
896        mWriter = NULL;
897    }
898
899    if ((status == OK) && (!mStarted)) {
900        mStarted = true;
901
902        uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted;
903        if (mAudioSource != AUDIO_SOURCE_CNT) {
904            params |= IMediaPlayerService::kBatteryDataTrackAudio;
905        }
906        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
907            params |= IMediaPlayerService::kBatteryDataTrackVideo;
908        }
909
910        addBatteryData(params);
911    }
912
913    return status;
914}
915
916sp<MediaCodecSource> StagefrightRecorder::createAudioSource() {
917    int32_t sourceSampleRate = mSampleRate;
918
919    if (mCaptureFpsEnable && mCaptureFps >= mFrameRate) {
920        // Upscale the sample rate for slow motion recording.
921        // Fail audio source creation if source sample rate is too high, as it could
922        // cause out-of-memory due to large input buffer size. And audio recording
923        // probably doesn't make sense in the scenario, since the slow-down factor
924        // is probably huge (eg. mSampleRate=48K, mCaptureFps=240, mFrameRate=1).
925        const static int32_t SAMPLE_RATE_HZ_MAX = 192000;
926        sourceSampleRate =
927                (mSampleRate * mCaptureFps + mFrameRate / 2) / mFrameRate;
928        if (sourceSampleRate < mSampleRate || sourceSampleRate > SAMPLE_RATE_HZ_MAX) {
929            ALOGE("source sample rate out of range! "
930                    "(mSampleRate %d, mCaptureFps %.2f, mFrameRate %d",
931                    mSampleRate, mCaptureFps, mFrameRate);
932            return NULL;
933        }
934    }
935
936    sp<AudioSource> audioSource =
937        new AudioSource(
938                mAudioSource,
939                mOpPackageName,
940                sourceSampleRate,
941                mAudioChannels,
942                mSampleRate,
943                mClientUid,
944                mClientPid);
945
946    status_t err = audioSource->initCheck();
947
948    if (err != OK) {
949        ALOGE("audio source is not initialized");
950        return NULL;
951    }
952
953    sp<AMessage> format = new AMessage;
954    switch (mAudioEncoder) {
955        case AUDIO_ENCODER_AMR_NB:
956        case AUDIO_ENCODER_DEFAULT:
957            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
958            break;
959        case AUDIO_ENCODER_AMR_WB:
960            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
961            break;
962        case AUDIO_ENCODER_AAC:
963            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
964            format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC);
965            break;
966        case AUDIO_ENCODER_HE_AAC:
967            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
968            format->setInt32("aac-profile", OMX_AUDIO_AACObjectHE);
969            break;
970        case AUDIO_ENCODER_AAC_ELD:
971            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
972            format->setInt32("aac-profile", OMX_AUDIO_AACObjectELD);
973            break;
974
975        default:
976            ALOGE("Unknown audio encoder: %d", mAudioEncoder);
977            return NULL;
978    }
979
980    int32_t maxInputSize;
981    CHECK(audioSource->getFormat()->findInt32(
982                kKeyMaxInputSize, &maxInputSize));
983
984    format->setInt32("max-input-size", maxInputSize);
985    format->setInt32("channel-count", mAudioChannels);
986    format->setInt32("sample-rate", mSampleRate);
987    format->setInt32("bitrate", mAudioBitRate);
988    if (mAudioTimeScale > 0) {
989        format->setInt32("time-scale", mAudioTimeScale);
990    }
991    format->setInt32("priority", 0 /* realtime */);
992
993    sp<MediaCodecSource> audioEncoder =
994            MediaCodecSource::Create(mLooper, format, audioSource);
995    mAudioSourceNode = audioSource;
996
997    if (audioEncoder == NULL) {
998        ALOGE("Failed to create audio encoder");
999    }
1000
1001    return audioEncoder;
1002}
1003
1004status_t StagefrightRecorder::setupAACRecording() {
1005    // FIXME:
1006    // Add support for OUTPUT_FORMAT_AAC_ADIF
1007    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_AAC_ADTS);
1008
1009    CHECK(mAudioEncoder == AUDIO_ENCODER_AAC ||
1010          mAudioEncoder == AUDIO_ENCODER_HE_AAC ||
1011          mAudioEncoder == AUDIO_ENCODER_AAC_ELD);
1012    CHECK(mAudioSource != AUDIO_SOURCE_CNT);
1013
1014    mWriter = new AACWriter(mOutputFd);
1015    return setupRawAudioRecording();
1016}
1017
1018status_t StagefrightRecorder::setupAMRRecording() {
1019    CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
1020          mOutputFormat == OUTPUT_FORMAT_AMR_WB);
1021
1022    if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) {
1023        if (mAudioEncoder != AUDIO_ENCODER_DEFAULT &&
1024            mAudioEncoder != AUDIO_ENCODER_AMR_NB) {
1025            ALOGE("Invalid encoder %d used for AMRNB recording",
1026                    mAudioEncoder);
1027            return BAD_VALUE;
1028        }
1029    } else {  // mOutputFormat must be OUTPUT_FORMAT_AMR_WB
1030        if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) {
1031            ALOGE("Invlaid encoder %d used for AMRWB recording",
1032                    mAudioEncoder);
1033            return BAD_VALUE;
1034        }
1035    }
1036
1037    mWriter = new AMRWriter(mOutputFd);
1038    return setupRawAudioRecording();
1039}
1040
1041status_t StagefrightRecorder::setupRawAudioRecording() {
1042    if (mAudioSource >= AUDIO_SOURCE_CNT && mAudioSource != AUDIO_SOURCE_FM_TUNER) {
1043        ALOGE("Invalid audio source: %d", mAudioSource);
1044        return BAD_VALUE;
1045    }
1046
1047    status_t status = BAD_VALUE;
1048    if (OK != (status = checkAudioEncoderCapabilities())) {
1049        return status;
1050    }
1051
1052    sp<MediaCodecSource> audioEncoder = createAudioSource();
1053    if (audioEncoder == NULL) {
1054        return UNKNOWN_ERROR;
1055    }
1056
1057    CHECK(mWriter != 0);
1058    mWriter->addSource(audioEncoder);
1059    mAudioEncoderSource = audioEncoder;
1060
1061    if (mMaxFileDurationUs != 0) {
1062        mWriter->setMaxFileDuration(mMaxFileDurationUs);
1063    }
1064    if (mMaxFileSizeBytes != 0) {
1065        mWriter->setMaxFileSize(mMaxFileSizeBytes);
1066    }
1067    mWriter->setListener(mListener);
1068
1069    return OK;
1070}
1071
1072status_t StagefrightRecorder::setupRTPRecording() {
1073    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
1074
1075    if ((mAudioSource != AUDIO_SOURCE_CNT
1076                && mVideoSource != VIDEO_SOURCE_LIST_END)
1077            || (mAudioSource == AUDIO_SOURCE_CNT
1078                && mVideoSource == VIDEO_SOURCE_LIST_END)) {
1079        // Must have exactly one source.
1080        return BAD_VALUE;
1081    }
1082
1083    if (mOutputFd < 0) {
1084        return BAD_VALUE;
1085    }
1086
1087    sp<MediaCodecSource> source;
1088
1089    if (mAudioSource != AUDIO_SOURCE_CNT) {
1090        source = createAudioSource();
1091        mAudioEncoderSource = source;
1092    } else {
1093        setDefaultVideoEncoderIfNecessary();
1094
1095        sp<MediaSource> mediaSource;
1096        status_t err = setupMediaSource(&mediaSource);
1097        if (err != OK) {
1098            return err;
1099        }
1100
1101        err = setupVideoEncoder(mediaSource, &source);
1102        if (err != OK) {
1103            return err;
1104        }
1105        mVideoEncoderSource = source;
1106    }
1107
1108    mWriter = new ARTPWriter(mOutputFd);
1109    mWriter->addSource(source);
1110    mWriter->setListener(mListener);
1111
1112    return OK;
1113}
1114
1115status_t StagefrightRecorder::setupMPEG2TSRecording() {
1116    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
1117
1118    sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd);
1119
1120    if (mAudioSource != AUDIO_SOURCE_CNT) {
1121        if (mAudioEncoder != AUDIO_ENCODER_AAC &&
1122            mAudioEncoder != AUDIO_ENCODER_HE_AAC &&
1123            mAudioEncoder != AUDIO_ENCODER_AAC_ELD) {
1124            return ERROR_UNSUPPORTED;
1125        }
1126
1127        status_t err = setupAudioEncoder(writer);
1128
1129        if (err != OK) {
1130            return err;
1131        }
1132    }
1133
1134    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1135        if (mVideoEncoder != VIDEO_ENCODER_H264) {
1136            ALOGE("MPEG2TS recording only supports H.264 encoding!");
1137            return ERROR_UNSUPPORTED;
1138        }
1139
1140        sp<MediaSource> mediaSource;
1141        status_t err = setupMediaSource(&mediaSource);
1142        if (err != OK) {
1143            return err;
1144        }
1145
1146        sp<MediaCodecSource> encoder;
1147        err = setupVideoEncoder(mediaSource, &encoder);
1148
1149        if (err != OK) {
1150            return err;
1151        }
1152
1153        writer->addSource(encoder);
1154        mVideoEncoderSource = encoder;
1155    }
1156
1157    if (mMaxFileDurationUs != 0) {
1158        writer->setMaxFileDuration(mMaxFileDurationUs);
1159    }
1160
1161    if (mMaxFileSizeBytes != 0) {
1162        writer->setMaxFileSize(mMaxFileSizeBytes);
1163    }
1164
1165    mWriter = writer;
1166
1167    return OK;
1168}
1169
1170void StagefrightRecorder::clipVideoFrameRate() {
1171    ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
1172    if (mFrameRate == -1) {
1173        mFrameRate = mEncoderProfiles->getCamcorderProfileParamByName(
1174                "vid.fps", mCameraId, CAMCORDER_QUALITY_LOW);
1175        ALOGW("Using default video fps %d", mFrameRate);
1176    }
1177
1178    int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1179                        "enc.vid.fps.min", mVideoEncoder);
1180    int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1181                        "enc.vid.fps.max", mVideoEncoder);
1182    if (mFrameRate < minFrameRate && minFrameRate != -1) {
1183        ALOGW("Intended video encoding frame rate (%d fps) is too small"
1184             " and will be set to (%d fps)", mFrameRate, minFrameRate);
1185        mFrameRate = minFrameRate;
1186    } else if (mFrameRate > maxFrameRate && maxFrameRate != -1) {
1187        ALOGW("Intended video encoding frame rate (%d fps) is too large"
1188             " and will be set to (%d fps)", mFrameRate, maxFrameRate);
1189        mFrameRate = maxFrameRate;
1190    }
1191}
1192
1193void StagefrightRecorder::clipVideoBitRate() {
1194    ALOGV("clipVideoBitRate: encoder %d", mVideoEncoder);
1195    int minBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1196                        "enc.vid.bps.min", mVideoEncoder);
1197    int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1198                        "enc.vid.bps.max", mVideoEncoder);
1199    if (mVideoBitRate < minBitRate && minBitRate != -1) {
1200        ALOGW("Intended video encoding bit rate (%d bps) is too small"
1201             " and will be set to (%d bps)", mVideoBitRate, minBitRate);
1202        mVideoBitRate = minBitRate;
1203    } else if (mVideoBitRate > maxBitRate && maxBitRate != -1) {
1204        ALOGW("Intended video encoding bit rate (%d bps) is too large"
1205             " and will be set to (%d bps)", mVideoBitRate, maxBitRate);
1206        mVideoBitRate = maxBitRate;
1207    }
1208}
1209
1210void StagefrightRecorder::clipVideoFrameWidth() {
1211    ALOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder);
1212    int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1213                        "enc.vid.width.min", mVideoEncoder);
1214    int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1215                        "enc.vid.width.max", mVideoEncoder);
1216    if (mVideoWidth < minFrameWidth && minFrameWidth != -1) {
1217        ALOGW("Intended video encoding frame width (%d) is too small"
1218             " and will be set to (%d)", mVideoWidth, minFrameWidth);
1219        mVideoWidth = minFrameWidth;
1220    } else if (mVideoWidth > maxFrameWidth && maxFrameWidth != -1) {
1221        ALOGW("Intended video encoding frame width (%d) is too large"
1222             " and will be set to (%d)", mVideoWidth, maxFrameWidth);
1223        mVideoWidth = maxFrameWidth;
1224    }
1225}
1226
1227status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
1228    if (!mCaptureFpsEnable) {
1229        // Dont clip for time lapse capture as encoder will have enough
1230        // time to encode because of slow capture rate of time lapse.
1231        clipVideoBitRate();
1232        clipVideoFrameRate();
1233        clipVideoFrameWidth();
1234        clipVideoFrameHeight();
1235        setDefaultProfileIfNecessary();
1236    }
1237    return OK;
1238}
1239
1240// Set to use AVC baseline profile if the encoding parameters matches
1241// CAMCORDER_QUALITY_LOW profile; this is for the sake of MMS service.
1242void StagefrightRecorder::setDefaultProfileIfNecessary() {
1243    ALOGV("setDefaultProfileIfNecessary");
1244
1245    camcorder_quality quality = CAMCORDER_QUALITY_LOW;
1246
1247    int64_t durationUs   = mEncoderProfiles->getCamcorderProfileParamByName(
1248                                "duration", mCameraId, quality) * 1000000LL;
1249
1250    int fileFormat       = mEncoderProfiles->getCamcorderProfileParamByName(
1251                                "file.format", mCameraId, quality);
1252
1253    int videoCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1254                                "vid.codec", mCameraId, quality);
1255
1256    int videoBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1257                                "vid.bps", mCameraId, quality);
1258
1259    int videoFrameRate   = mEncoderProfiles->getCamcorderProfileParamByName(
1260                                "vid.fps", mCameraId, quality);
1261
1262    int videoFrameWidth  = mEncoderProfiles->getCamcorderProfileParamByName(
1263                                "vid.width", mCameraId, quality);
1264
1265    int videoFrameHeight = mEncoderProfiles->getCamcorderProfileParamByName(
1266                                "vid.height", mCameraId, quality);
1267
1268    int audioCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1269                                "aud.codec", mCameraId, quality);
1270
1271    int audioBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1272                                "aud.bps", mCameraId, quality);
1273
1274    int audioSampleRate  = mEncoderProfiles->getCamcorderProfileParamByName(
1275                                "aud.hz", mCameraId, quality);
1276
1277    int audioChannels    = mEncoderProfiles->getCamcorderProfileParamByName(
1278                                "aud.ch", mCameraId, quality);
1279
1280    if (durationUs == mMaxFileDurationUs &&
1281        fileFormat == mOutputFormat &&
1282        videoCodec == mVideoEncoder &&
1283        videoBitRate == mVideoBitRate &&
1284        videoFrameRate == mFrameRate &&
1285        videoFrameWidth == mVideoWidth &&
1286        videoFrameHeight == mVideoHeight &&
1287        audioCodec == mAudioEncoder &&
1288        audioBitRate == mAudioBitRate &&
1289        audioSampleRate == mSampleRate &&
1290        audioChannels == mAudioChannels) {
1291        if (videoCodec == VIDEO_ENCODER_H264) {
1292            ALOGI("Force to use AVC baseline profile");
1293            setParamVideoEncoderProfile(OMX_VIDEO_AVCProfileBaseline);
1294            // set 0 for invalid levels - this will be rejected by the
1295            // codec if it cannot handle it during configure
1296            setParamVideoEncoderLevel(ACodec::getAVCLevelFor(
1297                    videoFrameWidth, videoFrameHeight, videoFrameRate, videoBitRate));
1298        }
1299    }
1300}
1301
1302void StagefrightRecorder::setDefaultVideoEncoderIfNecessary() {
1303    if (mVideoEncoder == VIDEO_ENCODER_DEFAULT) {
1304        if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1305            // default to VP8 for WEBM recording
1306            mVideoEncoder = VIDEO_ENCODER_VP8;
1307        } else {
1308            // pick the default encoder for CAMCORDER_QUALITY_LOW
1309            int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName(
1310                    "vid.codec", mCameraId, CAMCORDER_QUALITY_LOW);
1311
1312            if (videoCodec > VIDEO_ENCODER_DEFAULT &&
1313                videoCodec < VIDEO_ENCODER_LIST_END) {
1314                mVideoEncoder = (video_encoder)videoCodec;
1315            } else {
1316                // default to H.264 if camcorder profile not available
1317                mVideoEncoder = VIDEO_ENCODER_H264;
1318            }
1319        }
1320    }
1321}
1322
1323status_t StagefrightRecorder::checkAudioEncoderCapabilities() {
1324    clipAudioBitRate();
1325    clipAudioSampleRate();
1326    clipNumberOfAudioChannels();
1327    return OK;
1328}
1329
1330void StagefrightRecorder::clipAudioBitRate() {
1331    ALOGV("clipAudioBitRate: encoder %d", mAudioEncoder);
1332
1333    int minAudioBitRate =
1334            mEncoderProfiles->getAudioEncoderParamByName(
1335                "enc.aud.bps.min", mAudioEncoder);
1336    if (minAudioBitRate != -1 && mAudioBitRate < minAudioBitRate) {
1337        ALOGW("Intended audio encoding bit rate (%d) is too small"
1338            " and will be set to (%d)", mAudioBitRate, minAudioBitRate);
1339        mAudioBitRate = minAudioBitRate;
1340    }
1341
1342    int maxAudioBitRate =
1343            mEncoderProfiles->getAudioEncoderParamByName(
1344                "enc.aud.bps.max", mAudioEncoder);
1345    if (maxAudioBitRate != -1 && mAudioBitRate > maxAudioBitRate) {
1346        ALOGW("Intended audio encoding bit rate (%d) is too large"
1347            " and will be set to (%d)", mAudioBitRate, maxAudioBitRate);
1348        mAudioBitRate = maxAudioBitRate;
1349    }
1350}
1351
1352void StagefrightRecorder::clipAudioSampleRate() {
1353    ALOGV("clipAudioSampleRate: encoder %d", mAudioEncoder);
1354
1355    int minSampleRate =
1356            mEncoderProfiles->getAudioEncoderParamByName(
1357                "enc.aud.hz.min", mAudioEncoder);
1358    if (minSampleRate != -1 && mSampleRate < minSampleRate) {
1359        ALOGW("Intended audio sample rate (%d) is too small"
1360            " and will be set to (%d)", mSampleRate, minSampleRate);
1361        mSampleRate = minSampleRate;
1362    }
1363
1364    int maxSampleRate =
1365            mEncoderProfiles->getAudioEncoderParamByName(
1366                "enc.aud.hz.max", mAudioEncoder);
1367    if (maxSampleRate != -1 && mSampleRate > maxSampleRate) {
1368        ALOGW("Intended audio sample rate (%d) is too large"
1369            " and will be set to (%d)", mSampleRate, maxSampleRate);
1370        mSampleRate = maxSampleRate;
1371    }
1372}
1373
1374void StagefrightRecorder::clipNumberOfAudioChannels() {
1375    ALOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder);
1376
1377    int minChannels =
1378            mEncoderProfiles->getAudioEncoderParamByName(
1379                "enc.aud.ch.min", mAudioEncoder);
1380    if (minChannels != -1 && mAudioChannels < minChannels) {
1381        ALOGW("Intended number of audio channels (%d) is too small"
1382            " and will be set to (%d)", mAudioChannels, minChannels);
1383        mAudioChannels = minChannels;
1384    }
1385
1386    int maxChannels =
1387            mEncoderProfiles->getAudioEncoderParamByName(
1388                "enc.aud.ch.max", mAudioEncoder);
1389    if (maxChannels != -1 && mAudioChannels > maxChannels) {
1390        ALOGW("Intended number of audio channels (%d) is too large"
1391            " and will be set to (%d)", mAudioChannels, maxChannels);
1392        mAudioChannels = maxChannels;
1393    }
1394}
1395
1396void StagefrightRecorder::clipVideoFrameHeight() {
1397    ALOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder);
1398    int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1399                        "enc.vid.height.min", mVideoEncoder);
1400    int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1401                        "enc.vid.height.max", mVideoEncoder);
1402    if (minFrameHeight != -1 && mVideoHeight < minFrameHeight) {
1403        ALOGW("Intended video encoding frame height (%d) is too small"
1404             " and will be set to (%d)", mVideoHeight, minFrameHeight);
1405        mVideoHeight = minFrameHeight;
1406    } else if (maxFrameHeight != -1 && mVideoHeight > maxFrameHeight) {
1407        ALOGW("Intended video encoding frame height (%d) is too large"
1408             " and will be set to (%d)", mVideoHeight, maxFrameHeight);
1409        mVideoHeight = maxFrameHeight;
1410    }
1411}
1412
1413// Set up the appropriate MediaSource depending on the chosen option
1414status_t StagefrightRecorder::setupMediaSource(
1415                      sp<MediaSource> *mediaSource) {
1416    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1417            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1418        sp<CameraSource> cameraSource;
1419        status_t err = setupCameraSource(&cameraSource);
1420        if (err != OK) {
1421            return err;
1422        }
1423        *mediaSource = cameraSource;
1424    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1425        *mediaSource = NULL;
1426    } else {
1427        return INVALID_OPERATION;
1428    }
1429    return OK;
1430}
1431
1432status_t StagefrightRecorder::setupCameraSource(
1433        sp<CameraSource> *cameraSource) {
1434    status_t err = OK;
1435    if ((err = checkVideoEncoderCapabilities()) != OK) {
1436        return err;
1437    }
1438    Size videoSize;
1439    videoSize.width = mVideoWidth;
1440    videoSize.height = mVideoHeight;
1441    if (mCaptureFpsEnable) {
1442        if (mTimeBetweenCaptureUs < 0) {
1443            ALOGE("Invalid mTimeBetweenTimeLapseFrameCaptureUs value: %lld",
1444                    (long long)mTimeBetweenCaptureUs);
1445            return BAD_VALUE;
1446        }
1447
1448        mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
1449                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1450                videoSize, mFrameRate, mPreviewSurface,
1451                mTimeBetweenCaptureUs);
1452        *cameraSource = mCameraSourceTimeLapse;
1453    } else {
1454        *cameraSource = CameraSource::CreateFromCamera(
1455                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1456                videoSize, mFrameRate,
1457                mPreviewSurface);
1458    }
1459    mCamera.clear();
1460    mCameraProxy.clear();
1461    if (*cameraSource == NULL) {
1462        return UNKNOWN_ERROR;
1463    }
1464
1465    if ((*cameraSource)->initCheck() != OK) {
1466        (*cameraSource).clear();
1467        *cameraSource = NULL;
1468        return NO_INIT;
1469    }
1470
1471    // When frame rate is not set, the actual frame rate will be set to
1472    // the current frame rate being used.
1473    if (mFrameRate == -1) {
1474        int32_t frameRate = 0;
1475        CHECK ((*cameraSource)->getFormat()->findInt32(
1476                    kKeyFrameRate, &frameRate));
1477        ALOGI("Frame rate is not explicitly set. Use the current frame "
1478             "rate (%d fps)", frameRate);
1479        mFrameRate = frameRate;
1480    }
1481
1482    CHECK(mFrameRate != -1);
1483
1484    mMetaDataStoredInVideoBuffers =
1485        (*cameraSource)->metaDataStoredInVideoBuffers();
1486
1487    return OK;
1488}
1489
1490status_t StagefrightRecorder::setupVideoEncoder(
1491        sp<MediaSource> cameraSource,
1492        sp<MediaCodecSource> *source) {
1493    source->clear();
1494
1495    sp<AMessage> format = new AMessage();
1496
1497    switch (mVideoEncoder) {
1498        case VIDEO_ENCODER_H263:
1499            format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
1500            break;
1501
1502        case VIDEO_ENCODER_MPEG_4_SP:
1503            format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
1504            break;
1505
1506        case VIDEO_ENCODER_H264:
1507            format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
1508            break;
1509
1510        case VIDEO_ENCODER_VP8:
1511            format->setString("mime", MEDIA_MIMETYPE_VIDEO_VP8);
1512            break;
1513
1514        case VIDEO_ENCODER_HEVC:
1515            format->setString("mime", MEDIA_MIMETYPE_VIDEO_HEVC);
1516            break;
1517
1518        default:
1519            CHECK(!"Should not be here, unsupported video encoding.");
1520            break;
1521    }
1522
1523    if (cameraSource != NULL) {
1524        sp<MetaData> meta = cameraSource->getFormat();
1525
1526        int32_t width, height, stride, sliceHeight, colorFormat;
1527        CHECK(meta->findInt32(kKeyWidth, &width));
1528        CHECK(meta->findInt32(kKeyHeight, &height));
1529        CHECK(meta->findInt32(kKeyStride, &stride));
1530        CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
1531        CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
1532
1533        format->setInt32("width", width);
1534        format->setInt32("height", height);
1535        format->setInt32("stride", stride);
1536        format->setInt32("slice-height", sliceHeight);
1537        format->setInt32("color-format", colorFormat);
1538    } else {
1539        format->setInt32("width", mVideoWidth);
1540        format->setInt32("height", mVideoHeight);
1541        format->setInt32("stride", mVideoWidth);
1542        format->setInt32("slice-height", mVideoHeight);
1543        format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque);
1544
1545        // set up time lapse/slow motion for surface source
1546        if (mCaptureFpsEnable) {
1547            if (mTimeBetweenCaptureUs <= 0) {
1548                ALOGE("Invalid mTimeBetweenCaptureUs value: %lld",
1549                        (long long)mTimeBetweenCaptureUs);
1550                return BAD_VALUE;
1551            }
1552            format->setInt64("time-lapse", mTimeBetweenCaptureUs);
1553        }
1554    }
1555
1556    format->setInt32("bitrate", mVideoBitRate);
1557    format->setInt32("frame-rate", mFrameRate);
1558    format->setInt32("i-frame-interval", mIFramesIntervalSec);
1559
1560    if (mVideoTimeScale > 0) {
1561        format->setInt32("time-scale", mVideoTimeScale);
1562    }
1563    if (mVideoEncoderProfile != -1) {
1564        format->setInt32("profile", mVideoEncoderProfile);
1565    }
1566    if (mVideoEncoderLevel != -1) {
1567        format->setInt32("level", mVideoEncoderLevel);
1568    }
1569
1570    uint32_t tsLayers = 0;
1571    format->setInt32("priority", 0 /* realtime */);
1572    if (mCaptureFpsEnable) {
1573        format->setFloat("operating-rate", mCaptureFps);
1574
1575        // enable layering for all time lapse and high frame rate recordings
1576        if (mFrameRate / mCaptureFps >= 1.9 || mCaptureFps / mFrameRate >= 1.9) {
1577            tsLayers = 2; // use at least two layers
1578            for (float fps = mCaptureFps / 1.9; fps > mFrameRate; fps /= 2) {
1579                ++tsLayers;
1580            }
1581
1582            uint32_t bLayers = std::min(2u, tsLayers - 1); // use up-to 2 B-layers
1583            uint32_t pLayers = tsLayers - bLayers;
1584            format->setString(
1585                    "ts-schema", AStringPrintf("android.generic.%u+%u", pLayers, bLayers));
1586        }
1587    }
1588
1589    if (mMetaDataStoredInVideoBuffers != kMetadataBufferTypeInvalid) {
1590        format->setInt32("android._input-metadata-buffer-type", mMetaDataStoredInVideoBuffers);
1591    }
1592
1593    uint32_t flags = 0;
1594    if (cameraSource == NULL) {
1595        flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT;
1596    } else {
1597        // require dataspace setup even if not using surface input
1598        format->setInt32("android._using-recorder", 1);
1599    }
1600
1601    sp<MediaCodecSource> encoder = MediaCodecSource::Create(
1602            mLooper, format, cameraSource, mPersistentSurface, flags);
1603    if (encoder == NULL) {
1604        ALOGE("Failed to create video encoder");
1605        // When the encoder fails to be created, we need
1606        // release the camera source due to the camera's lock
1607        // and unlock mechanism.
1608        if (cameraSource != NULL) {
1609            cameraSource->stop();
1610        }
1611        return UNKNOWN_ERROR;
1612    }
1613
1614    if (cameraSource == NULL) {
1615        mGraphicBufferProducer = encoder->getGraphicBufferProducer();
1616    }
1617
1618    *source = encoder;
1619
1620    return OK;
1621}
1622
1623status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) {
1624    status_t status = BAD_VALUE;
1625    if (OK != (status = checkAudioEncoderCapabilities())) {
1626        return status;
1627    }
1628
1629    switch(mAudioEncoder) {
1630        case AUDIO_ENCODER_AMR_NB:
1631        case AUDIO_ENCODER_AMR_WB:
1632        case AUDIO_ENCODER_AAC:
1633        case AUDIO_ENCODER_HE_AAC:
1634        case AUDIO_ENCODER_AAC_ELD:
1635            break;
1636
1637        default:
1638            ALOGE("Unsupported audio encoder: %d", mAudioEncoder);
1639            return UNKNOWN_ERROR;
1640    }
1641
1642    sp<MediaCodecSource> audioEncoder = createAudioSource();
1643    if (audioEncoder == NULL) {
1644        return UNKNOWN_ERROR;
1645    }
1646
1647    writer->addSource(audioEncoder);
1648    mAudioEncoderSource = audioEncoder;
1649    return OK;
1650}
1651
1652status_t StagefrightRecorder::setupMPEG4orWEBMRecording() {
1653    mWriter.clear();
1654    mTotalBitRate = 0;
1655
1656    status_t err = OK;
1657    sp<MediaWriter> writer;
1658    sp<MPEG4Writer> mp4writer;
1659    if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1660        writer = new WebmWriter(mOutputFd);
1661    } else {
1662        writer = mp4writer = new MPEG4Writer(mOutputFd);
1663    }
1664
1665    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1666        setDefaultVideoEncoderIfNecessary();
1667
1668        sp<MediaSource> mediaSource;
1669        err = setupMediaSource(&mediaSource);
1670        if (err != OK) {
1671            return err;
1672        }
1673
1674        sp<MediaCodecSource> encoder;
1675        err = setupVideoEncoder(mediaSource, &encoder);
1676        if (err != OK) {
1677            return err;
1678        }
1679
1680        writer->addSource(encoder);
1681        mVideoEncoderSource = encoder;
1682        mTotalBitRate += mVideoBitRate;
1683    }
1684
1685    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1686        // Audio source is added at the end if it exists.
1687        // This help make sure that the "recoding" sound is suppressed for
1688        // camcorder applications in the recorded files.
1689        // TODO Audio source is currently unsupported for webm output; vorbis encoder needed.
1690        // disable audio for time lapse recording
1691        bool disableAudio = mCaptureFpsEnable && mCaptureFps < mFrameRate;
1692        if (!disableAudio && mAudioSource != AUDIO_SOURCE_CNT) {
1693            err = setupAudioEncoder(writer);
1694            if (err != OK) return err;
1695            mTotalBitRate += mAudioBitRate;
1696        }
1697
1698        if (mCaptureFpsEnable) {
1699            mp4writer->setCaptureRate(mCaptureFps);
1700        }
1701
1702        if (mInterleaveDurationUs > 0) {
1703            mp4writer->setInterleaveDuration(mInterleaveDurationUs);
1704        }
1705        if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) {
1706            mp4writer->setGeoData(mLatitudex10000, mLongitudex10000);
1707        }
1708    }
1709    if (mMaxFileDurationUs != 0) {
1710        writer->setMaxFileDuration(mMaxFileDurationUs);
1711    }
1712    if (mMaxFileSizeBytes != 0) {
1713        writer->setMaxFileSize(mMaxFileSizeBytes);
1714    }
1715    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1716            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1717        mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId);
1718    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1719        // surface source doesn't need large initial delay
1720        mStartTimeOffsetMs = 200;
1721    }
1722    if (mStartTimeOffsetMs > 0) {
1723        writer->setStartTimeOffsetMs(mStartTimeOffsetMs);
1724    }
1725
1726    writer->setListener(mListener);
1727    mWriter = writer;
1728    return OK;
1729}
1730
1731void StagefrightRecorder::setupMPEG4orWEBMMetaData(sp<MetaData> *meta) {
1732    int64_t startTimeUs = systemTime() / 1000;
1733    (*meta)->setInt64(kKeyTime, startTimeUs);
1734    (*meta)->setInt32(kKeyFileType, mOutputFormat);
1735    (*meta)->setInt32(kKeyBitRate, mTotalBitRate);
1736    if (mMovieTimeScale > 0) {
1737        (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
1738    }
1739    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1740        (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
1741        if (mTrackEveryTimeDurationUs > 0) {
1742            (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs);
1743        }
1744        if (mRotationDegrees != 0) {
1745            (*meta)->setInt32(kKeyRotation, mRotationDegrees);
1746        }
1747    }
1748}
1749
1750status_t StagefrightRecorder::pause() {
1751    ALOGV("pause");
1752    if (!mStarted) {
1753        return INVALID_OPERATION;
1754    }
1755
1756    // Already paused --- no-op.
1757    if (mPauseStartTimeUs != 0) {
1758        return OK;
1759    }
1760
1761    if (mAudioEncoderSource != NULL) {
1762        mAudioEncoderSource->pause();
1763    }
1764    if (mVideoEncoderSource != NULL) {
1765        mVideoEncoderSource->pause();
1766    }
1767
1768    mPauseStartTimeUs = systemTime() / 1000;
1769
1770    return OK;
1771}
1772
1773status_t StagefrightRecorder::resume() {
1774    ALOGV("resume");
1775    if (!mStarted) {
1776        return INVALID_OPERATION;
1777    }
1778
1779    // Not paused --- no-op.
1780    if (mPauseStartTimeUs == 0) {
1781        return OK;
1782    }
1783
1784    // 30 ms buffer to avoid timestamp overlap
1785    mTotalPausedDurationUs += (systemTime() / 1000) - mPauseStartTimeUs - 30000;
1786    double timeOffset = -mTotalPausedDurationUs;
1787    if (mCaptureFpsEnable) {
1788        timeOffset *= mCaptureFps / mFrameRate;
1789    }
1790    if (mAudioEncoderSource != NULL) {
1791        mAudioEncoderSource->setInputBufferTimeOffset((int64_t)timeOffset);
1792        mAudioEncoderSource->start();
1793    }
1794    if (mVideoEncoderSource != NULL) {
1795        mVideoEncoderSource->setInputBufferTimeOffset((int64_t)timeOffset);
1796        mVideoEncoderSource->start();
1797    }
1798    mPauseStartTimeUs = 0;
1799
1800    return OK;
1801}
1802
1803status_t StagefrightRecorder::stop() {
1804    ALOGV("stop");
1805    status_t err = OK;
1806
1807    if (mCaptureFpsEnable && mCameraSourceTimeLapse != NULL) {
1808        mCameraSourceTimeLapse->startQuickReadReturns();
1809        mCameraSourceTimeLapse = NULL;
1810    }
1811
1812    if (mWriter != NULL) {
1813        err = mWriter->stop();
1814        mWriter.clear();
1815    }
1816    mTotalPausedDurationUs = 0;
1817    mPauseStartTimeUs = 0;
1818
1819    mGraphicBufferProducer.clear();
1820    mPersistentSurface.clear();
1821    mAudioEncoderSource.clear();
1822    mVideoEncoderSource.clear();
1823
1824    if (mOutputFd >= 0) {
1825        ::close(mOutputFd);
1826        mOutputFd = -1;
1827    }
1828
1829    if (mStarted) {
1830        mStarted = false;
1831
1832        uint32_t params = 0;
1833        if (mAudioSource != AUDIO_SOURCE_CNT) {
1834            params |= IMediaPlayerService::kBatteryDataTrackAudio;
1835        }
1836        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
1837            params |= IMediaPlayerService::kBatteryDataTrackVideo;
1838        }
1839
1840        addBatteryData(params);
1841    }
1842
1843    return err;
1844}
1845
1846status_t StagefrightRecorder::close() {
1847    ALOGV("close");
1848    stop();
1849
1850    return OK;
1851}
1852
1853status_t StagefrightRecorder::reset() {
1854    ALOGV("reset");
1855    stop();
1856
1857    // No audio or video source by default
1858    mAudioSource = AUDIO_SOURCE_CNT;
1859    mVideoSource = VIDEO_SOURCE_LIST_END;
1860
1861    // Default parameters
1862    mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
1863    mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
1864    mVideoEncoder  = VIDEO_ENCODER_DEFAULT;
1865    mVideoWidth    = 176;
1866    mVideoHeight   = 144;
1867    mFrameRate     = -1;
1868    mVideoBitRate  = 192000;
1869    mSampleRate    = 8000;
1870    mAudioChannels = 1;
1871    mAudioBitRate  = 12200;
1872    mInterleaveDurationUs = 0;
1873    mIFramesIntervalSec = 1;
1874    mAudioSourceNode = 0;
1875    mUse64BitFileOffset = false;
1876    mMovieTimeScale  = -1;
1877    mAudioTimeScale  = -1;
1878    mVideoTimeScale  = -1;
1879    mCameraId        = 0;
1880    mStartTimeOffsetMs = -1;
1881    mVideoEncoderProfile = -1;
1882    mVideoEncoderLevel   = -1;
1883    mMaxFileDurationUs = 0;
1884    mMaxFileSizeBytes = 0;
1885    mTrackEveryTimeDurationUs = 0;
1886    mCaptureFpsEnable = false;
1887    mCaptureFps = 0.0f;
1888    mTimeBetweenCaptureUs = -1;
1889    mCameraSourceTimeLapse = NULL;
1890    mMetaDataStoredInVideoBuffers = kMetadataBufferTypeInvalid;
1891    mEncoderProfiles = MediaProfiles::getInstance();
1892    mRotationDegrees = 0;
1893    mLatitudex10000 = -3600000;
1894    mLongitudex10000 = -3600000;
1895    mTotalBitRate = 0;
1896
1897    mOutputFd = -1;
1898
1899    return OK;
1900}
1901
1902status_t StagefrightRecorder::getMaxAmplitude(int *max) {
1903    ALOGV("getMaxAmplitude");
1904
1905    if (max == NULL) {
1906        ALOGE("Null pointer argument");
1907        return BAD_VALUE;
1908    }
1909
1910    if (mAudioSourceNode != 0) {
1911        *max = mAudioSourceNode->getMaxAmplitude();
1912    } else {
1913        *max = 0;
1914    }
1915
1916    return OK;
1917}
1918
1919status_t StagefrightRecorder::dump(
1920        int fd, const Vector<String16>& args) const {
1921    ALOGV("dump");
1922    const size_t SIZE = 256;
1923    char buffer[SIZE];
1924    String8 result;
1925    if (mWriter != 0) {
1926        mWriter->dump(fd, args);
1927    } else {
1928        snprintf(buffer, SIZE, "   No file writer\n");
1929        result.append(buffer);
1930    }
1931    snprintf(buffer, SIZE, "   Recorder: %p\n", this);
1932    snprintf(buffer, SIZE, "   Output file (fd %d):\n", mOutputFd);
1933    result.append(buffer);
1934    snprintf(buffer, SIZE, "     File format: %d\n", mOutputFormat);
1935    result.append(buffer);
1936    snprintf(buffer, SIZE, "     Max file size (bytes): %" PRId64 "\n", mMaxFileSizeBytes);
1937    result.append(buffer);
1938    snprintf(buffer, SIZE, "     Max file duration (us): %" PRId64 "\n", mMaxFileDurationUs);
1939    result.append(buffer);
1940    snprintf(buffer, SIZE, "     File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32);
1941    result.append(buffer);
1942    snprintf(buffer, SIZE, "     Interleave duration (us): %d\n", mInterleaveDurationUs);
1943    result.append(buffer);
1944    snprintf(buffer, SIZE, "     Progress notification: %" PRId64 " us\n", mTrackEveryTimeDurationUs);
1945    result.append(buffer);
1946    snprintf(buffer, SIZE, "   Audio\n");
1947    result.append(buffer);
1948    snprintf(buffer, SIZE, "     Source: %d\n", mAudioSource);
1949    result.append(buffer);
1950    snprintf(buffer, SIZE, "     Encoder: %d\n", mAudioEncoder);
1951    result.append(buffer);
1952    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mAudioBitRate);
1953    result.append(buffer);
1954    snprintf(buffer, SIZE, "     Sampling rate (hz): %d\n", mSampleRate);
1955    result.append(buffer);
1956    snprintf(buffer, SIZE, "     Number of channels: %d\n", mAudioChannels);
1957    result.append(buffer);
1958    snprintf(buffer, SIZE, "     Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude());
1959    result.append(buffer);
1960    snprintf(buffer, SIZE, "   Video\n");
1961    result.append(buffer);
1962    snprintf(buffer, SIZE, "     Source: %d\n", mVideoSource);
1963    result.append(buffer);
1964    snprintf(buffer, SIZE, "     Camera Id: %d\n", mCameraId);
1965    result.append(buffer);
1966    snprintf(buffer, SIZE, "     Start time offset (ms): %d\n", mStartTimeOffsetMs);
1967    result.append(buffer);
1968    snprintf(buffer, SIZE, "     Encoder: %d\n", mVideoEncoder);
1969    result.append(buffer);
1970    snprintf(buffer, SIZE, "     Encoder profile: %d\n", mVideoEncoderProfile);
1971    result.append(buffer);
1972    snprintf(buffer, SIZE, "     Encoder level: %d\n", mVideoEncoderLevel);
1973    result.append(buffer);
1974    snprintf(buffer, SIZE, "     I frames interval (s): %d\n", mIFramesIntervalSec);
1975    result.append(buffer);
1976    snprintf(buffer, SIZE, "     Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight);
1977    result.append(buffer);
1978    snprintf(buffer, SIZE, "     Frame rate (fps): %d\n", mFrameRate);
1979    result.append(buffer);
1980    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mVideoBitRate);
1981    result.append(buffer);
1982    ::write(fd, result.string(), result.size());
1983    return OK;
1984}
1985}  // namespace android
1986