StagefrightRecorder.cpp revision 75b0b5473c7b43f8c5972db7e6e8930988ead751 
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 <utils/Log.h>
20
21#include "StagefrightRecorder.h"
22
23#include <binder/IPCThreadState.h>
24#include <binder/IServiceManager.h>
25
26#include <media/IMediaPlayerService.h>
27#include <media/stagefright/AudioSource.h>
28#include <media/stagefright/AMRWriter.h>
29#include <media/stagefright/CameraSource.h>
30#include <media/stagefright/VideoSourceDownSampler.h>
31#include <media/stagefright/CameraSourceTimeLapse.h>
32#include <media/stagefright/MediaSourceSplitter.h>
33#include <media/stagefright/MPEG2TSWriter.h>
34#include <media/stagefright/MPEG4Writer.h>
35#include <media/stagefright/MediaDebug.h>
36#include <media/stagefright/MediaDefs.h>
37#include <media/stagefright/MetaData.h>
38#include <media/stagefright/OMXClient.h>
39#include <media/stagefright/OMXCodec.h>
40#include <media/MediaProfiles.h>
41#include <camera/ICamera.h>
42#include <camera/CameraParameters.h>
43#include <surfaceflinger/Surface.h>
44#include <utils/Errors.h>
45#include <sys/types.h>
46#include <ctype.h>
47#include <unistd.h>
48
49#include "ARTPWriter.h"
50
51namespace android {
52
53// To collect the encoder usage for the battery app
54static void addBatteryData(uint32_t params) {
55    sp<IBinder> binder =
56        defaultServiceManager()->getService(String16("media.player"));
57    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
58    CHECK(service.get() != NULL);
59
60    service->addBatteryData(params);
61}
62
63
64StagefrightRecorder::StagefrightRecorder()
65    : mWriter(NULL), mWriterAux(NULL),
66      mOutputFd(-1), mOutputFdAux(-1),
67      mAudioSource(AUDIO_SOURCE_LIST_END),
68      mVideoSource(VIDEO_SOURCE_LIST_END),
69      mStarted(false) {
70
71    LOGV("Constructor");
72    reset();
73}
74
75StagefrightRecorder::~StagefrightRecorder() {
76    LOGV("Destructor");
77    stop();
78}
79
80status_t StagefrightRecorder::init() {
81    LOGV("init");
82    return OK;
83}
84
85status_t StagefrightRecorder::setAudioSource(audio_source as) {
86    LOGV("setAudioSource: %d", as);
87    if (as < AUDIO_SOURCE_DEFAULT ||
88        as >= AUDIO_SOURCE_LIST_END) {
89        LOGE("Invalid audio source: %d", as);
90        return BAD_VALUE;
91    }
92
93    if (as == AUDIO_SOURCE_DEFAULT) {
94        mAudioSource = AUDIO_SOURCE_MIC;
95    } else {
96        mAudioSource = as;
97    }
98
99    return OK;
100}
101
102status_t StagefrightRecorder::setVideoSource(video_source vs) {
103    LOGV("setVideoSource: %d", vs);
104    if (vs < VIDEO_SOURCE_DEFAULT ||
105        vs >= VIDEO_SOURCE_LIST_END) {
106        LOGE("Invalid video source: %d", vs);
107        return BAD_VALUE;
108    }
109
110    if (vs == VIDEO_SOURCE_DEFAULT) {
111        mVideoSource = VIDEO_SOURCE_CAMERA;
112    } else {
113        mVideoSource = vs;
114    }
115
116    return OK;
117}
118
119status_t StagefrightRecorder::setOutputFormat(output_format of) {
120    LOGV("setOutputFormat: %d", of);
121    if (of < OUTPUT_FORMAT_DEFAULT ||
122        of >= OUTPUT_FORMAT_LIST_END) {
123        LOGE("Invalid output format: %d", of);
124        return BAD_VALUE;
125    }
126
127    if (of == OUTPUT_FORMAT_DEFAULT) {
128        mOutputFormat = OUTPUT_FORMAT_THREE_GPP;
129    } else {
130        mOutputFormat = of;
131    }
132
133    return OK;
134}
135
136status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) {
137    LOGV("setAudioEncoder: %d", ae);
138    if (ae < AUDIO_ENCODER_DEFAULT ||
139        ae >= AUDIO_ENCODER_LIST_END) {
140        LOGE("Invalid audio encoder: %d", ae);
141        return BAD_VALUE;
142    }
143
144    if (ae == AUDIO_ENCODER_DEFAULT) {
145        mAudioEncoder = AUDIO_ENCODER_AMR_NB;
146    } else {
147        mAudioEncoder = ae;
148    }
149
150    return OK;
151}
152
153status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) {
154    LOGV("setVideoEncoder: %d", ve);
155    if (ve < VIDEO_ENCODER_DEFAULT ||
156        ve >= VIDEO_ENCODER_LIST_END) {
157        LOGE("Invalid video encoder: %d", ve);
158        return BAD_VALUE;
159    }
160
161    if (ve == VIDEO_ENCODER_DEFAULT) {
162        mVideoEncoder = VIDEO_ENCODER_H263;
163    } else {
164        mVideoEncoder = ve;
165    }
166
167    return OK;
168}
169
170status_t StagefrightRecorder::setVideoSize(int width, int height) {
171    LOGV("setVideoSize: %dx%d", width, height);
172    if (width <= 0 || height <= 0) {
173        LOGE("Invalid video size: %dx%d", width, height);
174        return BAD_VALUE;
175    }
176
177    // Additional check on the dimension will be performed later
178    mVideoWidth = width;
179    mVideoHeight = height;
180
181    return OK;
182}
183
184status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) {
185    LOGV("setVideoFrameRate: %d", frames_per_second);
186    if ((frames_per_second <= 0 && frames_per_second != -1) ||
187        frames_per_second > 120) {
188        LOGE("Invalid video frame rate: %d", frames_per_second);
189        return BAD_VALUE;
190    }
191
192    // Additional check on the frame rate will be performed later
193    mFrameRate = frames_per_second;
194
195    return OK;
196}
197
198status_t StagefrightRecorder::setCamera(const sp<ICamera> &camera) {
199    LOGV("setCamera");
200    if (camera == 0) {
201        LOGE("camera is NULL");
202        return BAD_VALUE;
203    }
204
205    mCamera = camera;
206    return OK;
207}
208
209status_t StagefrightRecorder::setPreviewSurface(const sp<Surface> &surface) {
210    LOGV("setPreviewSurface: %p", surface.get());
211    mPreviewSurface = surface;
212
213    return OK;
214}
215
216status_t StagefrightRecorder::setOutputFile(const char *path) {
217    LOGE("setOutputFile(const char*) must not be called");
218    // We don't actually support this at all, as the media_server process
219    // no longer has permissions to create files.
220
221    return -EPERM;
222}
223
224status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) {
225    LOGV("setOutputFile: %d, %lld, %lld", fd, offset, length);
226    // These don't make any sense, do they?
227    CHECK_EQ(offset, 0);
228    CHECK_EQ(length, 0);
229
230    if (fd < 0) {
231        LOGE("Invalid file descriptor: %d", fd);
232        return -EBADF;
233    }
234
235    if (mOutputFd >= 0) {
236        ::close(mOutputFd);
237    }
238    mOutputFd = dup(fd);
239
240    return OK;
241}
242
243status_t StagefrightRecorder::setOutputFileAuxiliary(int fd) {
244    LOGV("setOutputFileAuxiliary: %d", fd);
245
246    if (fd < 0) {
247        LOGE("Invalid file descriptor: %d", fd);
248        return -EBADF;
249    }
250
251    mCaptureAuxVideo = true;
252
253    if (mOutputFdAux >= 0) {
254        ::close(mOutputFdAux);
255    }
256    mOutputFdAux = dup(fd);
257
258    return OK;
259}
260
261// Attempt to parse an int64 literal optionally surrounded by whitespace,
262// returns true on success, false otherwise.
263static bool safe_strtoi64(const char *s, int64_t *val) {
264    char *end;
265
266    // It is lame, but according to man page, we have to set errno to 0
267    // before calling strtoll().
268    errno = 0;
269    *val = strtoll(s, &end, 10);
270
271    if (end == s || errno == ERANGE) {
272        return false;
273    }
274
275    // Skip trailing whitespace
276    while (isspace(*end)) {
277        ++end;
278    }
279
280    // For a successful return, the string must contain nothing but a valid
281    // int64 literal optionally surrounded by whitespace.
282
283    return *end == '\0';
284}
285
286// Return true if the value is in [0, 0x007FFFFFFF]
287static bool safe_strtoi32(const char *s, int32_t *val) {
288    int64_t temp;
289    if (safe_strtoi64(s, &temp)) {
290        if (temp >= 0 && temp <= 0x007FFFFFFF) {
291            *val = static_cast<int32_t>(temp);
292            return true;
293        }
294    }
295    return false;
296}
297
298// Trim both leading and trailing whitespace from the given string.
299static void TrimString(String8 *s) {
300    size_t num_bytes = s->bytes();
301    const char *data = s->string();
302
303    size_t leading_space = 0;
304    while (leading_space < num_bytes && isspace(data[leading_space])) {
305        ++leading_space;
306    }
307
308    size_t i = num_bytes;
309    while (i > leading_space && isspace(data[i - 1])) {
310        --i;
311    }
312
313    s->setTo(String8(&data[leading_space], i - leading_space));
314}
315
316status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) {
317    LOGV("setParamAudioSamplingRate: %d", sampleRate);
318    if (sampleRate <= 0) {
319        LOGE("Invalid audio sampling rate: %d", sampleRate);
320        return BAD_VALUE;
321    }
322
323    // Additional check on the sample rate will be performed later.
324    mSampleRate = sampleRate;
325    return OK;
326}
327
328status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) {
329    LOGV("setParamAudioNumberOfChannels: %d", channels);
330    if (channels <= 0 || channels >= 3) {
331        LOGE("Invalid number of audio channels: %d", channels);
332        return BAD_VALUE;
333    }
334
335    // Additional check on the number of channels will be performed later.
336    mAudioChannels = channels;
337    return OK;
338}
339
340status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) {
341    LOGV("setParamAudioEncodingBitRate: %d", bitRate);
342    if (bitRate <= 0) {
343        LOGE("Invalid audio encoding bit rate: %d", bitRate);
344        return BAD_VALUE;
345    }
346
347    // The target bit rate may not be exactly the same as the requested.
348    // It depends on many factors, such as rate control, and the bit rate
349    // range that a specific encoder supports. The mismatch between the
350    // the target and requested bit rate will NOT be treated as an error.
351    mAudioBitRate = bitRate;
352    return OK;
353}
354
355status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) {
356    LOGV("setParamVideoEncodingBitRate: %d", bitRate);
357    if (bitRate <= 0) {
358        LOGE("Invalid video encoding bit rate: %d", bitRate);
359        return BAD_VALUE;
360    }
361
362    // The target bit rate may not be exactly the same as the requested.
363    // It depends on many factors, such as rate control, and the bit rate
364    // range that a specific encoder supports. The mismatch between the
365    // the target and requested bit rate will NOT be treated as an error.
366    mVideoBitRate = bitRate;
367    return OK;
368}
369
370// Always rotate clockwise, and only support 0, 90, 180 and 270 for now.
371status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) {
372    LOGV("setParamVideoRotation: %d", degrees);
373    if (degrees < 0 || degrees % 90 != 0) {
374        LOGE("Unsupported video rotation angle: %d", degrees);
375        return BAD_VALUE;
376    }
377    mRotationDegrees = degrees % 360;
378    return OK;
379}
380
381status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) {
382    LOGV("setParamMaxFileDurationUs: %lld us", timeUs);
383
384    // This is meant for backward compatibility for MediaRecorder.java
385    if (timeUs <= 0) {
386        LOGW("Max file duration is not positive: %lld us. Disabling duration limit.", timeUs);
387        timeUs = 0; // Disable the duration limit for zero or negative values.
388    } else if (timeUs <= 100000LL) {  // XXX: 100 milli-seconds
389        LOGE("Max file duration is too short: %lld us", timeUs);
390        return BAD_VALUE;
391    }
392
393    if (timeUs <= 15 * 1000000LL) {
394        LOGW("Target duration (%lld us) too short to be respected", timeUs);
395    }
396    mMaxFileDurationUs = timeUs;
397    return OK;
398}
399
400status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
401    LOGV("setParamMaxFileSizeBytes: %lld bytes", bytes);
402
403    // This is meant for backward compatibility for MediaRecorder.java
404    if (bytes <= 0) {
405        LOGW("Max file size is not positive: %lld bytes. "
406             "Disabling file size limit.", bytes);
407        bytes = 0; // Disable the file size limit for zero or negative values.
408    } else if (bytes <= 1024) {  // XXX: 1 kB
409        LOGE("Max file size is too small: %lld bytes", bytes);
410        return BAD_VALUE;
411    }
412
413    if (bytes <= 100 * 1024) {
414        LOGW("Target file size (%lld bytes) is too small to be respected", bytes);
415    }
416
417    mMaxFileSizeBytes = bytes;
418    return OK;
419}
420
421status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) {
422    LOGV("setParamInterleaveDuration: %d", durationUs);
423    if (durationUs <= 500000) {           //  500 ms
424        // If interleave duration is too small, it is very inefficient to do
425        // interleaving since the metadata overhead will count for a significant
426        // portion of the saved contents
427        LOGE("Audio/video interleave duration is too small: %d us", durationUs);
428        return BAD_VALUE;
429    } else if (durationUs >= 10000000) {  // 10 seconds
430        // If interleaving duration is too large, it can cause the recording
431        // session to use too much memory since we have to save the output
432        // data before we write them out
433        LOGE("Audio/video interleave duration is too large: %d us", durationUs);
434        return BAD_VALUE;
435    }
436    mInterleaveDurationUs = durationUs;
437    return OK;
438}
439
440// If seconds <  0, only the first frame is I frame, and rest are all P frames
441// If seconds == 0, all frames are encoded as I frames. No P frames
442// If seconds >  0, it is the time spacing (seconds) between 2 neighboring I frames
443status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) {
444    LOGV("setParamVideoIFramesInterval: %d seconds", seconds);
445    mIFramesIntervalSec = seconds;
446    return OK;
447}
448
449status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) {
450    LOGV("setParam64BitFileOffset: %s",
451        use64Bit? "use 64 bit file offset": "use 32 bit file offset");
452    mUse64BitFileOffset = use64Bit;
453    return OK;
454}
455
456status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) {
457    LOGV("setParamVideoCameraId: %d", cameraId);
458    if (cameraId < 0) {
459        return BAD_VALUE;
460    }
461    mCameraId = cameraId;
462    return OK;
463}
464
465status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) {
466    LOGV("setParamTrackTimeStatus: %lld", timeDurationUs);
467    if (timeDurationUs < 20000) {  // Infeasible if shorter than 20 ms?
468        LOGE("Tracking time duration too short: %lld us", timeDurationUs);
469        return BAD_VALUE;
470    }
471    mTrackEveryTimeDurationUs = timeDurationUs;
472    return OK;
473}
474
475status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) {
476    LOGV("setParamVideoEncoderProfile: %d", profile);
477
478    // Additional check will be done later when we load the encoder.
479    // For now, we are accepting values defined in OpenMAX IL.
480    mVideoEncoderProfile = profile;
481    return OK;
482}
483
484status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) {
485    LOGV("setParamVideoEncoderLevel: %d", level);
486
487    // Additional check will be done later when we load the encoder.
488    // For now, we are accepting values defined in OpenMAX IL.
489    mVideoEncoderLevel = level;
490    return OK;
491}
492
493status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) {
494    LOGV("setParamMovieTimeScale: %d", timeScale);
495
496    // The range is set to be the same as the audio's time scale range
497    // since audio's time scale has a wider range.
498    if (timeScale < 600 || timeScale > 96000) {
499        LOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale);
500        return BAD_VALUE;
501    }
502    mMovieTimeScale = timeScale;
503    return OK;
504}
505
506status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) {
507    LOGV("setParamVideoTimeScale: %d", timeScale);
508
509    // 60000 is chosen to make sure that each video frame from a 60-fps
510    // video has 1000 ticks.
511    if (timeScale < 600 || timeScale > 60000) {
512        LOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale);
513        return BAD_VALUE;
514    }
515    mVideoTimeScale = timeScale;
516    return OK;
517}
518
519status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) {
520    LOGV("setParamAudioTimeScale: %d", timeScale);
521
522    // 96000 Hz is the highest sampling rate support in AAC.
523    if (timeScale < 600 || timeScale > 96000) {
524        LOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale);
525        return BAD_VALUE;
526    }
527    mAudioTimeScale = timeScale;
528    return OK;
529}
530
531status_t StagefrightRecorder::setParamTimeLapseEnable(int32_t timeLapseEnable) {
532    LOGV("setParamTimeLapseEnable: %d", timeLapseEnable);
533
534    if(timeLapseEnable == 0) {
535        mCaptureTimeLapse = false;
536    } else if (timeLapseEnable == 1) {
537        mCaptureTimeLapse = true;
538    } else {
539        return BAD_VALUE;
540    }
541    return OK;
542}
543
544status_t StagefrightRecorder::setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs) {
545    LOGV("setParamTimeBetweenTimeLapseFrameCapture: %lld us", timeUs);
546
547    // Not allowing time more than a day
548    if (timeUs <= 0 || timeUs > 86400*1E6) {
549        LOGE("Time between time lapse frame capture (%lld) is out of range [0, 1 Day]", timeUs);
550        return BAD_VALUE;
551    }
552
553    mTimeBetweenTimeLapseFrameCaptureUs = timeUs;
554    return OK;
555}
556
557status_t StagefrightRecorder::setParamAuxVideoWidth(int32_t width) {
558    LOGV("setParamAuxVideoWidth : %d", width);
559
560    if (width <= 0) {
561        LOGE("Width (%d) is not positive", width);
562        return BAD_VALUE;
563    }
564
565    mAuxVideoWidth = width;
566    return OK;
567}
568
569status_t StagefrightRecorder::setParamAuxVideoHeight(int32_t height) {
570    LOGV("setParamAuxVideoHeight : %d", height);
571
572    if (height <= 0) {
573        LOGE("Height (%d) is not positive", height);
574        return BAD_VALUE;
575    }
576
577    mAuxVideoHeight = height;
578    return OK;
579}
580
581status_t StagefrightRecorder::setParamAuxVideoEncodingBitRate(int32_t bitRate) {
582    LOGV("StagefrightRecorder::setParamAuxVideoEncodingBitRate: %d", bitRate);
583
584    if (bitRate <= 0) {
585        LOGE("Invalid video encoding bit rate: %d", bitRate);
586        return BAD_VALUE;
587    }
588
589    mAuxVideoBitRate = bitRate;
590    return OK;
591}
592
593status_t StagefrightRecorder::setParameter(
594        const String8 &key, const String8 &value) {
595    LOGV("setParameter: key (%s) => value (%s)", key.string(), value.string());
596    if (key == "max-duration") {
597        int64_t max_duration_ms;
598        if (safe_strtoi64(value.string(), &max_duration_ms)) {
599            return setParamMaxFileDurationUs(1000LL * max_duration_ms);
600        }
601    } else if (key == "max-filesize") {
602        int64_t max_filesize_bytes;
603        if (safe_strtoi64(value.string(), &max_filesize_bytes)) {
604            return setParamMaxFileSizeBytes(max_filesize_bytes);
605        }
606    } else if (key == "interleave-duration-us") {
607        int32_t durationUs;
608        if (safe_strtoi32(value.string(), &durationUs)) {
609            return setParamInterleaveDuration(durationUs);
610        }
611    } else if (key == "param-movie-time-scale") {
612        int32_t timeScale;
613        if (safe_strtoi32(value.string(), &timeScale)) {
614            return setParamMovieTimeScale(timeScale);
615        }
616    } else if (key == "param-use-64bit-offset") {
617        int32_t use64BitOffset;
618        if (safe_strtoi32(value.string(), &use64BitOffset)) {
619            return setParam64BitFileOffset(use64BitOffset != 0);
620        }
621    } else if (key == "param-track-time-status") {
622        int64_t timeDurationUs;
623        if (safe_strtoi64(value.string(), &timeDurationUs)) {
624            return setParamTrackTimeStatus(timeDurationUs);
625        }
626    } else if (key == "audio-param-sampling-rate") {
627        int32_t sampling_rate;
628        if (safe_strtoi32(value.string(), &sampling_rate)) {
629            return setParamAudioSamplingRate(sampling_rate);
630        }
631    } else if (key == "audio-param-number-of-channels") {
632        int32_t number_of_channels;
633        if (safe_strtoi32(value.string(), &number_of_channels)) {
634            return setParamAudioNumberOfChannels(number_of_channels);
635        }
636    } else if (key == "audio-param-encoding-bitrate") {
637        int32_t audio_bitrate;
638        if (safe_strtoi32(value.string(), &audio_bitrate)) {
639            return setParamAudioEncodingBitRate(audio_bitrate);
640        }
641    } else if (key == "audio-param-time-scale") {
642        int32_t timeScale;
643        if (safe_strtoi32(value.string(), &timeScale)) {
644            return setParamAudioTimeScale(timeScale);
645        }
646    } else if (key == "video-param-encoding-bitrate") {
647        int32_t video_bitrate;
648        if (safe_strtoi32(value.string(), &video_bitrate)) {
649            return setParamVideoEncodingBitRate(video_bitrate);
650        }
651    } else if (key == "video-param-rotation-angle-degrees") {
652        int32_t degrees;
653        if (safe_strtoi32(value.string(), &degrees)) {
654            return setParamVideoRotation(degrees);
655        }
656    } else if (key == "video-param-i-frames-interval") {
657        int32_t seconds;
658        if (safe_strtoi32(value.string(), &seconds)) {
659            return setParamVideoIFramesInterval(seconds);
660        }
661    } else if (key == "video-param-encoder-profile") {
662        int32_t profile;
663        if (safe_strtoi32(value.string(), &profile)) {
664            return setParamVideoEncoderProfile(profile);
665        }
666    } else if (key == "video-param-encoder-level") {
667        int32_t level;
668        if (safe_strtoi32(value.string(), &level)) {
669            return setParamVideoEncoderLevel(level);
670        }
671    } else if (key == "video-param-camera-id") {
672        int32_t cameraId;
673        if (safe_strtoi32(value.string(), &cameraId)) {
674            return setParamVideoCameraId(cameraId);
675        }
676    } else if (key == "video-param-time-scale") {
677        int32_t timeScale;
678        if (safe_strtoi32(value.string(), &timeScale)) {
679            return setParamVideoTimeScale(timeScale);
680        }
681    } else if (key == "time-lapse-enable") {
682        int32_t timeLapseEnable;
683        if (safe_strtoi32(value.string(), &timeLapseEnable)) {
684            return setParamTimeLapseEnable(timeLapseEnable);
685        }
686    } else if (key == "time-between-time-lapse-frame-capture") {
687        int64_t timeBetweenTimeLapseFrameCaptureMs;
688        if (safe_strtoi64(value.string(), &timeBetweenTimeLapseFrameCaptureMs)) {
689            return setParamTimeBetweenTimeLapseFrameCapture(
690                    1000LL * timeBetweenTimeLapseFrameCaptureMs);
691        }
692    } else if (key == "video-aux-param-width") {
693        int32_t auxWidth;
694        if (safe_strtoi32(value.string(), &auxWidth)) {
695            return setParamAuxVideoWidth(auxWidth);
696        }
697    } else if (key == "video-aux-param-height") {
698        int32_t auxHeight;
699        if (safe_strtoi32(value.string(), &auxHeight)) {
700            return setParamAuxVideoHeight(auxHeight);
701        }
702    } else if (key == "video-aux-param-encoding-bitrate") {
703        int32_t auxVideoBitRate;
704        if (safe_strtoi32(value.string(), &auxVideoBitRate)) {
705            return setParamAuxVideoEncodingBitRate(auxVideoBitRate);
706        }
707    } else {
708        LOGE("setParameter: failed to find key %s", key.string());
709    }
710    return BAD_VALUE;
711}
712
713status_t StagefrightRecorder::setParameters(const String8 &params) {
714    LOGV("setParameters: %s", params.string());
715    const char *cparams = params.string();
716    const char *key_start = cparams;
717    for (;;) {
718        const char *equal_pos = strchr(key_start, '=');
719        if (equal_pos == NULL) {
720            LOGE("Parameters %s miss a value", cparams);
721            return BAD_VALUE;
722        }
723        String8 key(key_start, equal_pos - key_start);
724        TrimString(&key);
725        if (key.length() == 0) {
726            LOGE("Parameters %s contains an empty key", cparams);
727            return BAD_VALUE;
728        }
729        const char *value_start = equal_pos + 1;
730        const char *semicolon_pos = strchr(value_start, ';');
731        String8 value;
732        if (semicolon_pos == NULL) {
733            value.setTo(value_start);
734        } else {
735            value.setTo(value_start, semicolon_pos - value_start);
736        }
737        if (setParameter(key, value) != OK) {
738            return BAD_VALUE;
739        }
740        if (semicolon_pos == NULL) {
741            break;  // Reaches the end
742        }
743        key_start = semicolon_pos + 1;
744    }
745    return OK;
746}
747
748status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) {
749    mListener = listener;
750
751    return OK;
752}
753
754status_t StagefrightRecorder::prepare() {
755    return OK;
756}
757
758status_t StagefrightRecorder::start() {
759    CHECK(mOutputFd >= 0);
760
761    if (mWriter != NULL) {
762        LOGE("File writer is not avaialble");
763        return UNKNOWN_ERROR;
764    }
765
766    status_t status = OK;
767
768    switch (mOutputFormat) {
769        case OUTPUT_FORMAT_DEFAULT:
770        case OUTPUT_FORMAT_THREE_GPP:
771        case OUTPUT_FORMAT_MPEG_4:
772            status = startMPEG4Recording();
773            break;
774
775        case OUTPUT_FORMAT_AMR_NB:
776        case OUTPUT_FORMAT_AMR_WB:
777            status = startAMRRecording();
778            break;
779
780        case OUTPUT_FORMAT_AAC_ADIF:
781        case OUTPUT_FORMAT_AAC_ADTS:
782            status = startAACRecording();
783            break;
784
785        case OUTPUT_FORMAT_RTP_AVP:
786            status = startRTPRecording();
787            break;
788
789        case OUTPUT_FORMAT_MPEG2TS:
790            status = startMPEG2TSRecording();
791            break;
792
793        default:
794            LOGE("Unsupported output file format: %d", mOutputFormat);
795            status = UNKNOWN_ERROR;
796            break;
797    }
798
799    if ((status == OK) && (!mStarted)) {
800        mStarted = true;
801
802        uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted;
803        if (mAudioSource != AUDIO_SOURCE_LIST_END) {
804            params |= IMediaPlayerService::kBatteryDataTrackAudio;
805        }
806        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
807            params |= IMediaPlayerService::kBatteryDataTrackVideo;
808        }
809
810        addBatteryData(params);
811    }
812
813    return status;
814}
815
816sp<MediaSource> StagefrightRecorder::createAudioSource() {
817    sp<AudioSource> audioSource =
818        new AudioSource(
819                mAudioSource,
820                mSampleRate,
821                mAudioChannels);
822
823    status_t err = audioSource->initCheck();
824
825    if (err != OK) {
826        LOGE("audio source is not initialized");
827        return NULL;
828    }
829
830    sp<MetaData> encMeta = new MetaData;
831    const char *mime;
832    switch (mAudioEncoder) {
833        case AUDIO_ENCODER_AMR_NB:
834        case AUDIO_ENCODER_DEFAULT:
835            mime = MEDIA_MIMETYPE_AUDIO_AMR_NB;
836            break;
837        case AUDIO_ENCODER_AMR_WB:
838            mime = MEDIA_MIMETYPE_AUDIO_AMR_WB;
839            break;
840        case AUDIO_ENCODER_AAC:
841            mime = MEDIA_MIMETYPE_AUDIO_AAC;
842            break;
843        default:
844            LOGE("Unknown audio encoder: %d", mAudioEncoder);
845            return NULL;
846    }
847    encMeta->setCString(kKeyMIMEType, mime);
848
849    int32_t maxInputSize;
850    CHECK(audioSource->getFormat()->findInt32(
851                kKeyMaxInputSize, &maxInputSize));
852
853    encMeta->setInt32(kKeyMaxInputSize, maxInputSize);
854    encMeta->setInt32(kKeyChannelCount, mAudioChannels);
855    encMeta->setInt32(kKeySampleRate, mSampleRate);
856    encMeta->setInt32(kKeyBitRate, mAudioBitRate);
857    if (mAudioTimeScale > 0) {
858        encMeta->setInt32(kKeyTimeScale, mAudioTimeScale);
859    }
860
861    OMXClient client;
862    CHECK_EQ(client.connect(), OK);
863
864    sp<MediaSource> audioEncoder =
865        OMXCodec::Create(client.interface(), encMeta,
866                         true /* createEncoder */, audioSource);
867    mAudioSourceNode = audioSource;
868
869    return audioEncoder;
870}
871
872status_t StagefrightRecorder::startAACRecording() {
873    CHECK(mOutputFormat == OUTPUT_FORMAT_AAC_ADIF ||
874          mOutputFormat == OUTPUT_FORMAT_AAC_ADTS);
875
876    CHECK(mAudioEncoder == AUDIO_ENCODER_AAC);
877    CHECK(mAudioSource != AUDIO_SOURCE_LIST_END);
878
879    CHECK(0 == "AACWriter is not implemented yet");
880
881    return OK;
882}
883
884status_t StagefrightRecorder::startAMRRecording() {
885    CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
886          mOutputFormat == OUTPUT_FORMAT_AMR_WB);
887
888    if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) {
889        if (mAudioEncoder != AUDIO_ENCODER_DEFAULT &&
890            mAudioEncoder != AUDIO_ENCODER_AMR_NB) {
891            LOGE("Invalid encoder %d used for AMRNB recording",
892                    mAudioEncoder);
893            return BAD_VALUE;
894        }
895    } else {  // mOutputFormat must be OUTPUT_FORMAT_AMR_WB
896        if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) {
897            LOGE("Invlaid encoder %d used for AMRWB recording",
898                    mAudioEncoder);
899            return BAD_VALUE;
900        }
901    }
902
903    if (mAudioSource >= AUDIO_SOURCE_LIST_END) {
904        LOGE("Invalid audio source: %d", mAudioSource);
905        return BAD_VALUE;
906    }
907
908    status_t status = BAD_VALUE;
909    if (OK != (status = checkAudioEncoderCapabilities())) {
910        return status;
911    }
912
913    sp<MediaSource> audioEncoder = createAudioSource();
914    if (audioEncoder == NULL) {
915        return UNKNOWN_ERROR;
916    }
917
918    mWriter = new AMRWriter(mOutputFd);
919    mWriter->addSource(audioEncoder);
920
921    if (mMaxFileDurationUs != 0) {
922        mWriter->setMaxFileDuration(mMaxFileDurationUs);
923    }
924    if (mMaxFileSizeBytes != 0) {
925        mWriter->setMaxFileSize(mMaxFileSizeBytes);
926    }
927    mWriter->setListener(mListener);
928    mWriter->start();
929
930    return OK;
931}
932
933status_t StagefrightRecorder::startRTPRecording() {
934    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
935
936    if ((mAudioSource != AUDIO_SOURCE_LIST_END
937                && mVideoSource != VIDEO_SOURCE_LIST_END)
938            || (mAudioSource == AUDIO_SOURCE_LIST_END
939                && mVideoSource == VIDEO_SOURCE_LIST_END)) {
940        // Must have exactly one source.
941        return BAD_VALUE;
942    }
943
944    if (mOutputFd < 0) {
945        return BAD_VALUE;
946    }
947
948    sp<MediaSource> source;
949
950    if (mAudioSource != AUDIO_SOURCE_LIST_END) {
951        source = createAudioSource();
952    } else {
953
954        sp<CameraSource> cameraSource;
955        status_t err = setupCameraSource(&cameraSource);
956        if (err != OK) {
957            return err;
958        }
959
960        err = setupVideoEncoder(cameraSource, mVideoBitRate, &source);
961        if (err != OK) {
962            return err;
963        }
964    }
965
966    mWriter = new ARTPWriter(mOutputFd);
967    mWriter->addSource(source);
968    mWriter->setListener(mListener);
969
970    return mWriter->start();
971}
972
973status_t StagefrightRecorder::startMPEG2TSRecording() {
974    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
975
976    sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd);
977
978    if (mAudioSource != AUDIO_SOURCE_LIST_END) {
979        if (mAudioEncoder != AUDIO_ENCODER_AAC) {
980            return ERROR_UNSUPPORTED;
981        }
982
983        status_t err = setupAudioEncoder(writer);
984
985        if (err != OK) {
986            return err;
987        }
988    }
989
990    if (mVideoSource == VIDEO_SOURCE_DEFAULT
991            || mVideoSource == VIDEO_SOURCE_CAMERA) {
992        if (mVideoEncoder != VIDEO_ENCODER_H264) {
993            return ERROR_UNSUPPORTED;
994        }
995
996        sp<CameraSource> cameraSource;
997        status_t err = setupCameraSource(&cameraSource);
998        if (err != OK) {
999            return err;
1000        }
1001
1002        sp<MediaSource> encoder;
1003        err = setupVideoEncoder(cameraSource, mVideoBitRate, &encoder);
1004
1005        if (err != OK) {
1006            return err;
1007        }
1008
1009        writer->addSource(encoder);
1010    }
1011
1012    if (mMaxFileDurationUs != 0) {
1013        writer->setMaxFileDuration(mMaxFileDurationUs);
1014    }
1015
1016    if (mMaxFileSizeBytes != 0) {
1017        writer->setMaxFileSize(mMaxFileSizeBytes);
1018    }
1019
1020    mWriter = writer;
1021
1022    return mWriter->start();
1023}
1024
1025void StagefrightRecorder::clipVideoFrameRate() {
1026    LOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
1027    int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1028                        "enc.vid.fps.min", mVideoEncoder);
1029    int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1030                        "enc.vid.fps.max", mVideoEncoder);
1031    if (mFrameRate < minFrameRate && mFrameRate != -1) {
1032        LOGW("Intended video encoding frame rate (%d fps) is too small"
1033             " and will be set to (%d fps)", mFrameRate, minFrameRate);
1034        mFrameRate = minFrameRate;
1035    } else if (mFrameRate > maxFrameRate) {
1036        LOGW("Intended video encoding frame rate (%d fps) is too large"
1037             " and will be set to (%d fps)", mFrameRate, maxFrameRate);
1038        mFrameRate = maxFrameRate;
1039    }
1040}
1041
1042void StagefrightRecorder::clipVideoBitRate() {
1043    LOGV("clipVideoBitRate: encoder %d", mVideoEncoder);
1044    int minBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1045                        "enc.vid.bps.min", mVideoEncoder);
1046    int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1047                        "enc.vid.bps.max", mVideoEncoder);
1048    if (mVideoBitRate < minBitRate) {
1049        LOGW("Intended video encoding bit rate (%d bps) is too small"
1050             " and will be set to (%d bps)", mVideoBitRate, minBitRate);
1051        mVideoBitRate = minBitRate;
1052    } else if (mVideoBitRate > maxBitRate) {
1053        LOGW("Intended video encoding bit rate (%d bps) is too large"
1054             " and will be set to (%d bps)", mVideoBitRate, maxBitRate);
1055        mVideoBitRate = maxBitRate;
1056    }
1057}
1058
1059void StagefrightRecorder::clipVideoFrameWidth() {
1060    LOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder);
1061    int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1062                        "enc.vid.width.min", mVideoEncoder);
1063    int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1064                        "enc.vid.width.max", mVideoEncoder);
1065    if (mVideoWidth < minFrameWidth) {
1066        LOGW("Intended video encoding frame width (%d) is too small"
1067             " and will be set to (%d)", mVideoWidth, minFrameWidth);
1068        mVideoWidth = minFrameWidth;
1069    } else if (mVideoWidth > maxFrameWidth) {
1070        LOGW("Intended video encoding frame width (%d) is too large"
1071             " and will be set to (%d)", mVideoWidth, maxFrameWidth);
1072        mVideoWidth = maxFrameWidth;
1073    }
1074}
1075
1076status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
1077    if (!mCaptureTimeLapse) {
1078        // Dont clip for time lapse capture as encoder will have enough
1079        // time to encode because of slow capture rate of time lapse.
1080        clipVideoBitRate();
1081        clipVideoFrameRate();
1082        clipVideoFrameWidth();
1083        clipVideoFrameHeight();
1084    }
1085    return OK;
1086}
1087
1088status_t StagefrightRecorder::checkAudioEncoderCapabilities() {
1089    clipAudioBitRate();
1090    clipAudioSampleRate();
1091    clipNumberOfAudioChannels();
1092    return OK;
1093}
1094
1095void StagefrightRecorder::clipAudioBitRate() {
1096    LOGV("clipAudioBitRate: encoder %d", mAudioEncoder);
1097
1098    int minAudioBitRate =
1099            mEncoderProfiles->getAudioEncoderParamByName(
1100                "enc.aud.bps.min", mAudioEncoder);
1101    if (mAudioBitRate < minAudioBitRate) {
1102        LOGW("Intended audio encoding bit rate (%d) is too small"
1103            " and will be set to (%d)", mAudioBitRate, minAudioBitRate);
1104        mAudioBitRate = minAudioBitRate;
1105    }
1106
1107    int maxAudioBitRate =
1108            mEncoderProfiles->getAudioEncoderParamByName(
1109                "enc.aud.bps.max", mAudioEncoder);
1110    if (mAudioBitRate > maxAudioBitRate) {
1111        LOGW("Intended audio encoding bit rate (%d) is too large"
1112            " and will be set to (%d)", mAudioBitRate, maxAudioBitRate);
1113        mAudioBitRate = maxAudioBitRate;
1114    }
1115}
1116
1117void StagefrightRecorder::clipAudioSampleRate() {
1118    LOGV("clipAudioSampleRate: encoder %d", mAudioEncoder);
1119
1120    int minSampleRate =
1121            mEncoderProfiles->getAudioEncoderParamByName(
1122                "enc.aud.hz.min", mAudioEncoder);
1123    if (mSampleRate < minSampleRate) {
1124        LOGW("Intended audio sample rate (%d) is too small"
1125            " and will be set to (%d)", mSampleRate, minSampleRate);
1126        mSampleRate = minSampleRate;
1127    }
1128
1129    int maxSampleRate =
1130            mEncoderProfiles->getAudioEncoderParamByName(
1131                "enc.aud.hz.max", mAudioEncoder);
1132    if (mSampleRate > maxSampleRate) {
1133        LOGW("Intended audio sample rate (%d) is too large"
1134            " and will be set to (%d)", mSampleRate, maxSampleRate);
1135        mSampleRate = maxSampleRate;
1136    }
1137}
1138
1139void StagefrightRecorder::clipNumberOfAudioChannels() {
1140    LOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder);
1141
1142    int minChannels =
1143            mEncoderProfiles->getAudioEncoderParamByName(
1144                "enc.aud.ch.min", mAudioEncoder);
1145    if (mAudioChannels < minChannels) {
1146        LOGW("Intended number of audio channels (%d) is too small"
1147            " and will be set to (%d)", mAudioChannels, minChannels);
1148        mAudioChannels = minChannels;
1149    }
1150
1151    int maxChannels =
1152            mEncoderProfiles->getAudioEncoderParamByName(
1153                "enc.aud.ch.max", mAudioEncoder);
1154    if (mAudioChannels > maxChannels) {
1155        LOGW("Intended number of audio channels (%d) is too large"
1156            " and will be set to (%d)", mAudioChannels, maxChannels);
1157        mAudioChannels = maxChannels;
1158    }
1159}
1160
1161void StagefrightRecorder::clipVideoFrameHeight() {
1162    LOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder);
1163    int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1164                        "enc.vid.height.min", mVideoEncoder);
1165    int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1166                        "enc.vid.height.max", mVideoEncoder);
1167    if (mVideoHeight < minFrameHeight) {
1168        LOGW("Intended video encoding frame height (%d) is too small"
1169             " and will be set to (%d)", mVideoHeight, minFrameHeight);
1170        mVideoHeight = minFrameHeight;
1171    } else if (mVideoHeight > maxFrameHeight) {
1172        LOGW("Intended video encoding frame height (%d) is too large"
1173             " and will be set to (%d)", mVideoHeight, maxFrameHeight);
1174        mVideoHeight = maxFrameHeight;
1175    }
1176}
1177
1178status_t StagefrightRecorder::setupCameraSource(
1179        sp<CameraSource> *cameraSource) {
1180    status_t err = OK;
1181    if ((err = checkVideoEncoderCapabilities()) != OK) {
1182        return err;
1183    }
1184    Size videoSize;
1185    videoSize.width = mVideoWidth;
1186    videoSize.height = mVideoHeight;
1187    if (mCaptureTimeLapse) {
1188        mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
1189                mCamera, mCameraId,
1190                videoSize, mFrameRate, mPreviewSurface,
1191                mTimeBetweenTimeLapseFrameCaptureUs);
1192        *cameraSource = mCameraSourceTimeLapse;
1193    } else {
1194        *cameraSource = CameraSource::CreateFromCamera(
1195                mCamera, mCameraId, videoSize, mFrameRate,
1196                mPreviewSurface, true /*storeMetaDataInVideoBuffers*/);
1197    }
1198    if (*cameraSource == NULL) {
1199        return UNKNOWN_ERROR;
1200    }
1201
1202    if ((*cameraSource)->initCheck() != OK) {
1203        (*cameraSource).clear();
1204        *cameraSource = NULL;
1205        return NO_INIT;
1206    }
1207
1208    // When frame rate is not set, the actual frame rate will be set to
1209    // the current frame rate being used.
1210    if (mFrameRate == -1) {
1211        int32_t frameRate = 0;
1212        CHECK ((*cameraSource)->getFormat()->findInt32(
1213                    kKeyFrameRate, &frameRate));
1214        LOGI("Frame rate is not explicitly set. Use the current frame "
1215             "rate (%d fps)", frameRate);
1216        mFrameRate = frameRate;
1217    }
1218
1219    CHECK(mFrameRate != -1);
1220
1221    mIsMetaDataStoredInVideoBuffers =
1222        (*cameraSource)->isMetaDataStoredInVideoBuffers();
1223
1224    return OK;
1225}
1226
1227status_t StagefrightRecorder::setupVideoEncoder(
1228        sp<MediaSource> cameraSource,
1229        int32_t videoBitRate,
1230        sp<MediaSource> *source) {
1231    source->clear();
1232
1233    sp<MetaData> enc_meta = new MetaData;
1234    enc_meta->setInt32(kKeyBitRate, videoBitRate);
1235    enc_meta->setInt32(kKeyFrameRate, mFrameRate);
1236
1237    switch (mVideoEncoder) {
1238        case VIDEO_ENCODER_H263:
1239            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
1240            break;
1241
1242        case VIDEO_ENCODER_MPEG_4_SP:
1243            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
1244            break;
1245
1246        case VIDEO_ENCODER_H264:
1247            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
1248            break;
1249
1250        default:
1251            CHECK(!"Should not be here, unsupported video encoding.");
1252            break;
1253    }
1254
1255    sp<MetaData> meta = cameraSource->getFormat();
1256
1257    int32_t width, height, stride, sliceHeight, colorFormat;
1258    CHECK(meta->findInt32(kKeyWidth, &width));
1259    CHECK(meta->findInt32(kKeyHeight, &height));
1260    CHECK(meta->findInt32(kKeyStride, &stride));
1261    CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
1262    CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
1263
1264    enc_meta->setInt32(kKeyWidth, width);
1265    enc_meta->setInt32(kKeyHeight, height);
1266    enc_meta->setInt32(kKeyIFramesInterval, mIFramesIntervalSec);
1267    enc_meta->setInt32(kKeyStride, stride);
1268    enc_meta->setInt32(kKeySliceHeight, sliceHeight);
1269    enc_meta->setInt32(kKeyColorFormat, colorFormat);
1270    if (mVideoTimeScale > 0) {
1271        enc_meta->setInt32(kKeyTimeScale, mVideoTimeScale);
1272    }
1273    if (mVideoEncoderProfile != -1) {
1274        enc_meta->setInt32(kKeyVideoProfile, mVideoEncoderProfile);
1275    }
1276    if (mVideoEncoderLevel != -1) {
1277        enc_meta->setInt32(kKeyVideoLevel, mVideoEncoderLevel);
1278    }
1279
1280    OMXClient client;
1281    CHECK_EQ(client.connect(), OK);
1282
1283    uint32_t encoder_flags = 0;
1284    if (mIsMetaDataStoredInVideoBuffers) {
1285        encoder_flags |= OMXCodec::kHardwareCodecsOnly;
1286        encoder_flags |= OMXCodec::kStoreMetaDataInVideoBuffers;
1287    }
1288
1289    // Do not wait for all the input buffers to become available.
1290    // This give timelapse video recording faster response in
1291    // receiving output from video encoder component.
1292    if (mCaptureTimeLapse) {
1293        encoder_flags |= OMXCodec::kOnlySubmitOneInputBufferAtOneTime;
1294    }
1295
1296    sp<MediaSource> encoder = OMXCodec::Create(
1297            client.interface(), enc_meta,
1298            true /* createEncoder */, cameraSource,
1299            NULL, encoder_flags);
1300    if (encoder == NULL) {
1301        LOGW("Failed to create the encoder");
1302        // When the encoder fails to be created, we need
1303        // release the camera source due to the camera's lock
1304        // and unlock mechanism.
1305        cameraSource->stop();
1306        return UNKNOWN_ERROR;
1307    }
1308
1309    *source = encoder;
1310
1311    return OK;
1312}
1313
1314status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) {
1315    status_t status = BAD_VALUE;
1316    if (OK != (status = checkAudioEncoderCapabilities())) {
1317        return status;
1318    }
1319
1320    switch(mAudioEncoder) {
1321        case AUDIO_ENCODER_AMR_NB:
1322        case AUDIO_ENCODER_AMR_WB:
1323        case AUDIO_ENCODER_AAC:
1324            break;
1325
1326        default:
1327            LOGE("Unsupported audio encoder: %d", mAudioEncoder);
1328            return UNKNOWN_ERROR;
1329    }
1330
1331    sp<MediaSource> audioEncoder = createAudioSource();
1332    if (audioEncoder == NULL) {
1333        return UNKNOWN_ERROR;
1334    }
1335
1336    writer->addSource(audioEncoder);
1337    return OK;
1338}
1339
1340status_t StagefrightRecorder::setupMPEG4Recording(
1341        bool useSplitCameraSource,
1342        int outputFd,
1343        int32_t videoWidth, int32_t videoHeight,
1344        int32_t videoBitRate,
1345        int32_t *totalBitRate,
1346        sp<MediaWriter> *mediaWriter) {
1347    mediaWriter->clear();
1348    *totalBitRate = 0;
1349    status_t err = OK;
1350    sp<MediaWriter> writer = new MPEG4Writer(outputFd);
1351
1352    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1353            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1354
1355        sp<MediaSource> cameraMediaSource;
1356        if (useSplitCameraSource) {
1357            LOGV("Using Split camera source");
1358            cameraMediaSource = mCameraSourceSplitter->createClient();
1359        } else {
1360            sp<CameraSource> cameraSource;
1361            err = setupCameraSource(&cameraSource);
1362            cameraMediaSource = cameraSource;
1363        }
1364        if ((videoWidth != mVideoWidth) || (videoHeight != mVideoHeight)) {
1365            // Use downsampling from the original source.
1366            cameraMediaSource =
1367                new VideoSourceDownSampler(cameraMediaSource, videoWidth, videoHeight);
1368        }
1369        if (err != OK) {
1370            return err;
1371        }
1372
1373        sp<MediaSource> encoder;
1374        err = setupVideoEncoder(cameraMediaSource, videoBitRate, &encoder);
1375        if (err != OK) {
1376            return err;
1377        }
1378
1379        writer->addSource(encoder);
1380        *totalBitRate += videoBitRate;
1381    }
1382
1383    // Audio source is added at the end if it exists.
1384    // This help make sure that the "recoding" sound is suppressed for
1385    // camcorder applications in the recorded files.
1386    if (!mCaptureTimeLapse && (mAudioSource != AUDIO_SOURCE_LIST_END)) {
1387        err = setupAudioEncoder(writer);
1388        if (err != OK) return err;
1389        *totalBitRate += mAudioBitRate;
1390    }
1391
1392    if (mInterleaveDurationUs > 0) {
1393        reinterpret_cast<MPEG4Writer *>(writer.get())->
1394            setInterleaveDuration(mInterleaveDurationUs);
1395    }
1396    if (mMaxFileDurationUs != 0) {
1397        writer->setMaxFileDuration(mMaxFileDurationUs);
1398    }
1399    if (mMaxFileSizeBytes != 0) {
1400        writer->setMaxFileSize(mMaxFileSizeBytes);
1401    }
1402
1403    writer->setListener(mListener);
1404    *mediaWriter = writer;
1405    return OK;
1406}
1407
1408void StagefrightRecorder::setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
1409        sp<MetaData> *meta) {
1410    (*meta)->setInt64(kKeyTime, startTimeUs);
1411    (*meta)->setInt32(kKeyFileType, mOutputFormat);
1412    (*meta)->setInt32(kKeyBitRate, totalBitRate);
1413    (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
1414    if (mMovieTimeScale > 0) {
1415        (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
1416    }
1417    if (mTrackEveryTimeDurationUs > 0) {
1418        (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs);
1419    }
1420    if (mRotationDegrees != 0) {
1421        (*meta)->setInt32(kKeyRotation, mRotationDegrees);
1422    }
1423}
1424
1425status_t StagefrightRecorder::startMPEG4Recording() {
1426    if (mCaptureAuxVideo) {
1427        if (!mCaptureTimeLapse) {
1428            LOGE("Auxiliary video can be captured only in time lapse mode");
1429            return UNKNOWN_ERROR;
1430        }
1431        LOGV("Creating MediaSourceSplitter");
1432        sp<CameraSource> cameraSource;
1433        status_t err = setupCameraSource(&cameraSource);
1434        if (err != OK) {
1435            return err;
1436        }
1437        mCameraSourceSplitter = new MediaSourceSplitter(cameraSource);
1438    } else {
1439        mCameraSourceSplitter = NULL;
1440    }
1441
1442    int32_t totalBitRate;
1443    status_t err = setupMPEG4Recording(mCaptureAuxVideo,
1444            mOutputFd, mVideoWidth, mVideoHeight,
1445            mVideoBitRate, &totalBitRate, &mWriter);
1446    if (err != OK) {
1447        return err;
1448    }
1449
1450    int64_t startTimeUs = systemTime() / 1000;
1451    sp<MetaData> meta = new MetaData;
1452    setupMPEG4MetaData(startTimeUs, totalBitRate, &meta);
1453
1454    err = mWriter->start(meta.get());
1455    if (err != OK) {
1456        return err;
1457    }
1458
1459    if (mCaptureAuxVideo) {
1460        CHECK(mOutputFdAux >= 0);
1461        if (mWriterAux != NULL) {
1462            LOGE("Auxiliary File writer is not avaialble");
1463            return UNKNOWN_ERROR;
1464        }
1465        if ((mAuxVideoWidth > mVideoWidth) || (mAuxVideoHeight > mVideoHeight) ||
1466                ((mAuxVideoWidth == mVideoWidth) && mAuxVideoHeight == mVideoHeight)) {
1467            LOGE("Auxiliary video size (%d x %d) same or larger than the main video size (%d x %d)",
1468                    mAuxVideoWidth, mAuxVideoHeight, mVideoWidth, mVideoHeight);
1469            return UNKNOWN_ERROR;
1470        }
1471
1472        int32_t totalBitrateAux;
1473        err = setupMPEG4Recording(mCaptureAuxVideo,
1474                mOutputFdAux, mAuxVideoWidth, mAuxVideoHeight,
1475                mAuxVideoBitRate, &totalBitrateAux, &mWriterAux);
1476        if (err != OK) {
1477            return err;
1478        }
1479
1480        sp<MetaData> metaAux = new MetaData;
1481        setupMPEG4MetaData(startTimeUs, totalBitrateAux, &metaAux);
1482
1483        return mWriterAux->start(metaAux.get());
1484    }
1485
1486    return OK;
1487}
1488
1489status_t StagefrightRecorder::pause() {
1490    LOGV("pause");
1491    if (mWriter == NULL) {
1492        return UNKNOWN_ERROR;
1493    }
1494    mWriter->pause();
1495
1496    if (mCaptureAuxVideo) {
1497        if (mWriterAux == NULL) {
1498            return UNKNOWN_ERROR;
1499        }
1500        mWriterAux->pause();
1501    }
1502
1503    if (mStarted) {
1504        mStarted = false;
1505
1506        uint32_t params = 0;
1507        if (mAudioSource != AUDIO_SOURCE_LIST_END) {
1508            params |= IMediaPlayerService::kBatteryDataTrackAudio;
1509        }
1510        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
1511            params |= IMediaPlayerService::kBatteryDataTrackVideo;
1512        }
1513
1514        addBatteryData(params);
1515    }
1516
1517
1518    return OK;
1519}
1520
1521status_t StagefrightRecorder::stop() {
1522    LOGV("stop");
1523    status_t err = OK;
1524
1525    if (mCaptureTimeLapse && mCameraSourceTimeLapse != NULL) {
1526        mCameraSourceTimeLapse->startQuickReadReturns();
1527        mCameraSourceTimeLapse = NULL;
1528    }
1529
1530    if (mCaptureAuxVideo) {
1531        if (mWriterAux != NULL) {
1532            mWriterAux->stop();
1533            mWriterAux.clear();
1534        }
1535    }
1536
1537    if (mWriter != NULL) {
1538        err = mWriter->stop();
1539        mWriter.clear();
1540    }
1541
1542    if (mOutputFd >= 0) {
1543        ::close(mOutputFd);
1544        mOutputFd = -1;
1545    }
1546
1547    if (mCaptureAuxVideo) {
1548        if (mOutputFdAux >= 0) {
1549            ::close(mOutputFdAux);
1550            mOutputFdAux = -1;
1551        }
1552    }
1553
1554    if (mStarted) {
1555        mStarted = false;
1556
1557        uint32_t params = 0;
1558        if (mAudioSource != AUDIO_SOURCE_LIST_END) {
1559            params |= IMediaPlayerService::kBatteryDataTrackAudio;
1560        }
1561        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
1562            params |= IMediaPlayerService::kBatteryDataTrackVideo;
1563        }
1564
1565        addBatteryData(params);
1566    }
1567
1568
1569    return err;
1570}
1571
1572status_t StagefrightRecorder::close() {
1573    LOGV("close");
1574    stop();
1575
1576    return OK;
1577}
1578
1579status_t StagefrightRecorder::reset() {
1580    LOGV("reset");
1581    stop();
1582
1583    // No audio or video source by default
1584    mAudioSource = AUDIO_SOURCE_LIST_END;
1585    mVideoSource = VIDEO_SOURCE_LIST_END;
1586
1587    // Default parameters
1588    mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
1589    mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
1590    mVideoEncoder  = VIDEO_ENCODER_H263;
1591    mVideoWidth    = 176;
1592    mVideoHeight   = 144;
1593    mAuxVideoWidth    = 176;
1594    mAuxVideoHeight   = 144;
1595    mFrameRate     = -1;
1596    mVideoBitRate  = 192000;
1597    mAuxVideoBitRate = 192000;
1598    mSampleRate    = 8000;
1599    mAudioChannels = 1;
1600    mAudioBitRate  = 12200;
1601    mInterleaveDurationUs = 0;
1602    mIFramesIntervalSec = 1;
1603    mAudioSourceNode = 0;
1604    mUse64BitFileOffset = false;
1605    mMovieTimeScale  = -1;
1606    mAudioTimeScale  = -1;
1607    mVideoTimeScale  = -1;
1608    mCameraId        = 0;
1609    mVideoEncoderProfile = -1;
1610    mVideoEncoderLevel   = -1;
1611    mMaxFileDurationUs = 0;
1612    mMaxFileSizeBytes = 0;
1613    mTrackEveryTimeDurationUs = 0;
1614    mCaptureTimeLapse = false;
1615    mTimeBetweenTimeLapseFrameCaptureUs = -1;
1616    mCaptureAuxVideo = false;
1617    mCameraSourceSplitter = NULL;
1618    mCameraSourceTimeLapse = NULL;
1619    mIsMetaDataStoredInVideoBuffers = false;
1620    mEncoderProfiles = MediaProfiles::getInstance();
1621    mRotationDegrees = 0;
1622
1623    mOutputFd = -1;
1624    mOutputFdAux = -1;
1625
1626    return OK;
1627}
1628
1629status_t StagefrightRecorder::getMaxAmplitude(int *max) {
1630    LOGV("getMaxAmplitude");
1631
1632    if (max == NULL) {
1633        LOGE("Null pointer argument");
1634        return BAD_VALUE;
1635    }
1636
1637    if (mAudioSourceNode != 0) {
1638        *max = mAudioSourceNode->getMaxAmplitude();
1639    } else {
1640        *max = 0;
1641    }
1642
1643    return OK;
1644}
1645
1646status_t StagefrightRecorder::dump(
1647        int fd, const Vector<String16>& args) const {
1648    LOGV("dump");
1649    const size_t SIZE = 256;
1650    char buffer[SIZE];
1651    String8 result;
1652    if (mWriter != 0) {
1653        mWriter->dump(fd, args);
1654    } else {
1655        snprintf(buffer, SIZE, "   No file writer\n");
1656        result.append(buffer);
1657    }
1658    snprintf(buffer, SIZE, "   Recorder: %p\n", this);
1659    snprintf(buffer, SIZE, "   Output file (fd %d):\n", mOutputFd);
1660    result.append(buffer);
1661    snprintf(buffer, SIZE, "   Output file Auxiliary (fd %d):\n", mOutputFdAux);
1662    result.append(buffer);
1663    snprintf(buffer, SIZE, "     File format: %d\n", mOutputFormat);
1664    result.append(buffer);
1665    snprintf(buffer, SIZE, "     Max file size (bytes): %lld\n", mMaxFileSizeBytes);
1666    result.append(buffer);
1667    snprintf(buffer, SIZE, "     Max file duration (us): %lld\n", mMaxFileDurationUs);
1668    result.append(buffer);
1669    snprintf(buffer, SIZE, "     File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32);
1670    result.append(buffer);
1671    snprintf(buffer, SIZE, "     Interleave duration (us): %d\n", mInterleaveDurationUs);
1672    result.append(buffer);
1673    snprintf(buffer, SIZE, "     Progress notification: %lld us\n", mTrackEveryTimeDurationUs);
1674    result.append(buffer);
1675    snprintf(buffer, SIZE, "   Audio\n");
1676    result.append(buffer);
1677    snprintf(buffer, SIZE, "     Source: %d\n", mAudioSource);
1678    result.append(buffer);
1679    snprintf(buffer, SIZE, "     Encoder: %d\n", mAudioEncoder);
1680    result.append(buffer);
1681    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mAudioBitRate);
1682    result.append(buffer);
1683    snprintf(buffer, SIZE, "     Sampling rate (hz): %d\n", mSampleRate);
1684    result.append(buffer);
1685    snprintf(buffer, SIZE, "     Number of channels: %d\n", mAudioChannels);
1686    result.append(buffer);
1687    snprintf(buffer, SIZE, "     Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude());
1688    result.append(buffer);
1689    snprintf(buffer, SIZE, "   Video\n");
1690    result.append(buffer);
1691    snprintf(buffer, SIZE, "     Source: %d\n", mVideoSource);
1692    result.append(buffer);
1693    snprintf(buffer, SIZE, "     Camera Id: %d\n", mCameraId);
1694    result.append(buffer);
1695    snprintf(buffer, SIZE, "     Encoder: %d\n", mVideoEncoder);
1696    result.append(buffer);
1697    snprintf(buffer, SIZE, "     Encoder profile: %d\n", mVideoEncoderProfile);
1698    result.append(buffer);
1699    snprintf(buffer, SIZE, "     Encoder level: %d\n", mVideoEncoderLevel);
1700    result.append(buffer);
1701    snprintf(buffer, SIZE, "     I frames interval (s): %d\n", mIFramesIntervalSec);
1702    result.append(buffer);
1703    snprintf(buffer, SIZE, "     Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight);
1704    result.append(buffer);
1705    snprintf(buffer, SIZE, "     Aux Frame size (pixels): %dx%d\n", mAuxVideoWidth, mAuxVideoHeight);
1706    result.append(buffer);
1707    snprintf(buffer, SIZE, "     Frame rate (fps): %d\n", mFrameRate);
1708    result.append(buffer);
1709    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mVideoBitRate);
1710    result.append(buffer);
1711    snprintf(buffer, SIZE, "     Aux Bit rate (bps): %d\n", mAuxVideoBitRate);
1712    result.append(buffer);
1713    ::write(fd, result.string(), result.size());
1714    return OK;
1715}
1716}  // namespace android
1717