StagefrightRecorder.cpp revision 2d1e5d35be5e6d4b55ac8b39fbfcbeb60fcdd084 
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 <media/stagefright/AudioSource.h>
24#include <media/stagefright/AMRWriter.h>
25#include <media/stagefright/CameraSource.h>
26#include <media/stagefright/VideoSourceDownSampler.h>
27#include <media/stagefright/CameraSourceTimeLapse.h>
28#include <media/stagefright/MediaSourceSplitter.h>
29#include <media/stagefright/MPEG2TSWriter.h>
30#include <media/stagefright/MPEG4Writer.h>
31#include <media/stagefright/MediaDebug.h>
32#include <media/stagefright/MediaDefs.h>
33#include <media/stagefright/MetaData.h>
34#include <media/stagefright/OMXClient.h>
35#include <media/stagefright/OMXCodec.h>
36#include <media/MediaProfiles.h>
37#include <camera/ICamera.h>
38#include <camera/CameraParameters.h>
39#include <surfaceflinger/Surface.h>
40#include <utils/Errors.h>
41#include <sys/types.h>
42#include <ctype.h>
43#include <unistd.h>
44
45#include "ARTPWriter.h"
46
47namespace android {
48
49StagefrightRecorder::StagefrightRecorder()
50    : mWriter(NULL), mWriterAux(NULL),
51      mOutputFd(-1), mOutputFdAux(-1) {
52
53    LOGV("Constructor");
54    reset();
55}
56
57StagefrightRecorder::~StagefrightRecorder() {
58    LOGV("Destructor");
59    stop();
60}
61
62status_t StagefrightRecorder::init() {
63    LOGV("init");
64    return OK;
65}
66
67status_t StagefrightRecorder::setAudioSource(audio_source as) {
68    LOGV("setAudioSource: %d", as);
69    if (as < AUDIO_SOURCE_DEFAULT ||
70        as >= AUDIO_SOURCE_LIST_END) {
71        LOGE("Invalid audio source: %d", as);
72        return BAD_VALUE;
73    }
74
75    if (as == AUDIO_SOURCE_DEFAULT) {
76        mAudioSource = AUDIO_SOURCE_MIC;
77    } else {
78        mAudioSource = as;
79    }
80
81    return OK;
82}
83
84status_t StagefrightRecorder::setVideoSource(video_source vs) {
85    LOGV("setVideoSource: %d", vs);
86    if (vs < VIDEO_SOURCE_DEFAULT ||
87        vs >= VIDEO_SOURCE_LIST_END) {
88        LOGE("Invalid video source: %d", vs);
89        return BAD_VALUE;
90    }
91
92    if (vs == VIDEO_SOURCE_DEFAULT) {
93        mVideoSource = VIDEO_SOURCE_CAMERA;
94    } else {
95        mVideoSource = vs;
96    }
97
98    return OK;
99}
100
101status_t StagefrightRecorder::setOutputFormat(output_format of) {
102    LOGV("setOutputFormat: %d", of);
103    if (of < OUTPUT_FORMAT_DEFAULT ||
104        of >= OUTPUT_FORMAT_LIST_END) {
105        LOGE("Invalid output format: %d", of);
106        return BAD_VALUE;
107    }
108
109    if (of == OUTPUT_FORMAT_DEFAULT) {
110        mOutputFormat = OUTPUT_FORMAT_THREE_GPP;
111    } else {
112        mOutputFormat = of;
113    }
114
115    return OK;
116}
117
118status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) {
119    LOGV("setAudioEncoder: %d", ae);
120    if (ae < AUDIO_ENCODER_DEFAULT ||
121        ae >= AUDIO_ENCODER_LIST_END) {
122        LOGE("Invalid audio encoder: %d", ae);
123        return BAD_VALUE;
124    }
125
126    if (ae == AUDIO_ENCODER_DEFAULT) {
127        mAudioEncoder = AUDIO_ENCODER_AMR_NB;
128    } else {
129        mAudioEncoder = ae;
130    }
131
132    return OK;
133}
134
135status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) {
136    LOGV("setVideoEncoder: %d", ve);
137    if (ve < VIDEO_ENCODER_DEFAULT ||
138        ve >= VIDEO_ENCODER_LIST_END) {
139        LOGE("Invalid video encoder: %d", ve);
140        return BAD_VALUE;
141    }
142
143    if (ve == VIDEO_ENCODER_DEFAULT) {
144        mVideoEncoder = VIDEO_ENCODER_H263;
145    } else {
146        mVideoEncoder = ve;
147    }
148
149    return OK;
150}
151
152status_t StagefrightRecorder::setVideoSize(int width, int height) {
153    LOGV("setVideoSize: %dx%d", width, height);
154    if (width <= 0 || height <= 0) {
155        LOGE("Invalid video size: %dx%d", width, height);
156        return BAD_VALUE;
157    }
158
159    // Additional check on the dimension will be performed later
160    mVideoWidth = width;
161    mVideoHeight = height;
162
163    return OK;
164}
165
166status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) {
167    LOGV("setVideoFrameRate: %d", frames_per_second);
168    if ((frames_per_second <= 0 && frames_per_second != -1) ||
169        frames_per_second > 120) {
170        LOGE("Invalid video frame rate: %d", frames_per_second);
171        return BAD_VALUE;
172    }
173
174    // Additional check on the frame rate will be performed later
175    mFrameRate = frames_per_second;
176
177    return OK;
178}
179
180status_t StagefrightRecorder::setCamera(const sp<ICamera> &camera) {
181    LOGV("setCamera");
182    if (camera == 0) {
183        LOGE("camera is NULL");
184        return BAD_VALUE;
185    }
186
187    mCamera = camera;
188    return OK;
189}
190
191status_t StagefrightRecorder::setPreviewSurface(const sp<Surface> &surface) {
192    LOGV("setPreviewSurface: %p", surface.get());
193    mPreviewSurface = surface;
194
195    return OK;
196}
197
198status_t StagefrightRecorder::setOutputFile(const char *path) {
199    LOGE("setOutputFile(const char*) must not be called");
200    // We don't actually support this at all, as the media_server process
201    // no longer has permissions to create files.
202
203    return -EPERM;
204}
205
206status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) {
207    LOGV("setOutputFile: %d, %lld, %lld", fd, offset, length);
208    // These don't make any sense, do they?
209    CHECK_EQ(offset, 0);
210    CHECK_EQ(length, 0);
211
212    if (fd < 0) {
213        LOGE("Invalid file descriptor: %d", fd);
214        return -EBADF;
215    }
216
217    if (mOutputFd >= 0) {
218        ::close(mOutputFd);
219    }
220    mOutputFd = dup(fd);
221
222    return OK;
223}
224
225status_t StagefrightRecorder::setOutputFileAuxiliary(int fd) {
226    LOGV("setOutputFileAuxiliary: %d", fd);
227
228    if (fd < 0) {
229        LOGE("Invalid file descriptor: %d", fd);
230        return -EBADF;
231    }
232
233    mCaptureAuxVideo = true;
234
235    if (mOutputFdAux >= 0) {
236        ::close(mOutputFdAux);
237    }
238    mOutputFdAux = dup(fd);
239
240    return OK;
241}
242
243// Attempt to parse an int64 literal optionally surrounded by whitespace,
244// returns true on success, false otherwise.
245static bool safe_strtoi64(const char *s, int64_t *val) {
246    char *end;
247    *val = strtoll(s, &end, 10);
248
249    if (end == s || errno == ERANGE) {
250        return false;
251    }
252
253    // Skip trailing whitespace
254    while (isspace(*end)) {
255        ++end;
256    }
257
258    // For a successful return, the string must contain nothing but a valid
259    // int64 literal optionally surrounded by whitespace.
260
261    return *end == '\0';
262}
263
264// Return true if the value is in [0, 0x007FFFFFFF]
265static bool safe_strtoi32(const char *s, int32_t *val) {
266    int64_t temp;
267    if (safe_strtoi64(s, &temp)) {
268        if (temp >= 0 && temp <= 0x007FFFFFFF) {
269            *val = static_cast<int32_t>(temp);
270            return true;
271        }
272    }
273    return false;
274}
275
276// Trim both leading and trailing whitespace from the given string.
277static void TrimString(String8 *s) {
278    size_t num_bytes = s->bytes();
279    const char *data = s->string();
280
281    size_t leading_space = 0;
282    while (leading_space < num_bytes && isspace(data[leading_space])) {
283        ++leading_space;
284    }
285
286    size_t i = num_bytes;
287    while (i > leading_space && isspace(data[i - 1])) {
288        --i;
289    }
290
291    s->setTo(String8(&data[leading_space], i - leading_space));
292}
293
294status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) {
295    LOGV("setParamAudioSamplingRate: %d", sampleRate);
296    if (sampleRate <= 0) {
297        LOGE("Invalid audio sampling rate: %d", sampleRate);
298        return BAD_VALUE;
299    }
300
301    // Additional check on the sample rate will be performed later.
302    mSampleRate = sampleRate;
303    return OK;
304}
305
306status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) {
307    LOGV("setParamAudioNumberOfChannels: %d", channels);
308    if (channels <= 0 || channels >= 3) {
309        LOGE("Invalid number of audio channels: %d", channels);
310        return BAD_VALUE;
311    }
312
313    // Additional check on the number of channels will be performed later.
314    mAudioChannels = channels;
315    return OK;
316}
317
318status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) {
319    LOGV("setParamAudioEncodingBitRate: %d", bitRate);
320    if (bitRate <= 0) {
321        LOGE("Invalid audio encoding bit rate: %d", bitRate);
322        return BAD_VALUE;
323    }
324
325    // The target bit rate may not be exactly the same as the requested.
326    // It depends on many factors, such as rate control, and the bit rate
327    // range that a specific encoder supports. The mismatch between the
328    // the target and requested bit rate will NOT be treated as an error.
329    mAudioBitRate = bitRate;
330    return OK;
331}
332
333status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) {
334    LOGV("setParamVideoEncodingBitRate: %d", bitRate);
335    if (bitRate <= 0) {
336        LOGE("Invalid video encoding bit rate: %d", bitRate);
337        return BAD_VALUE;
338    }
339
340    // The target bit rate may not be exactly the same as the requested.
341    // It depends on many factors, such as rate control, and the bit rate
342    // range that a specific encoder supports. The mismatch between the
343    // the target and requested bit rate will NOT be treated as an error.
344    mVideoBitRate = bitRate;
345    return OK;
346}
347
348// Always rotate clockwise, and only support 0, 90, 180 and 270 for now.
349status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) {
350    LOGV("setParamVideoRotation: %d", degrees);
351    if (degrees < 0 || degrees % 90 != 0) {
352        LOGE("Unsupported video rotation angle: %d", degrees);
353        return BAD_VALUE;
354    }
355    mRotationDegrees = degrees % 360;
356    return OK;
357}
358
359status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) {
360    LOGV("setParamMaxFileDurationUs: %lld us", timeUs);
361
362    // This is meant for backward compatibility for MediaRecorder.java
363    if (timeUs <= 0) {
364        LOGW("Max file duration is not positive: %lld us. Disabling duration limit.", timeUs);
365        timeUs = 0; // Disable the duration limit for zero or negative values.
366    } else if (timeUs <= 100000LL) {  // XXX: 100 milli-seconds
367        LOGE("Max file duration is too short: %lld us", timeUs);
368        return BAD_VALUE;
369    }
370
371    if (timeUs <= 15 * 1000000LL) {
372        LOGW("Target duration (%lld us) too short to be respected", timeUs);
373    }
374    mMaxFileDurationUs = timeUs;
375    return OK;
376}
377
378status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
379    LOGV("setParamMaxFileSizeBytes: %lld bytes", bytes);
380
381    // This is meant for backward compatibility for MediaRecorder.java
382    if (bytes <= 0) {
383        LOGW("Max file size is not positive: %lld bytes. "
384             "Disabling file size limit.", bytes);
385        bytes = 0; // Disable the file size limit for zero or negative values.
386    } else if (bytes <= 1024) {  // XXX: 1 kB
387        LOGE("Max file size is too small: %lld bytes", bytes);
388        return BAD_VALUE;
389    }
390
391    if (bytes <= 100 * 1024) {
392        LOGW("Target file size (%lld bytes) is too small to be respected", bytes);
393    }
394
395    mMaxFileSizeBytes = bytes;
396    return OK;
397}
398
399status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) {
400    LOGV("setParamInterleaveDuration: %d", durationUs);
401    if (durationUs <= 500000) {           //  500 ms
402        // If interleave duration is too small, it is very inefficient to do
403        // interleaving since the metadata overhead will count for a significant
404        // portion of the saved contents
405        LOGE("Audio/video interleave duration is too small: %d us", durationUs);
406        return BAD_VALUE;
407    } else if (durationUs >= 10000000) {  // 10 seconds
408        // If interleaving duration is too large, it can cause the recording
409        // session to use too much memory since we have to save the output
410        // data before we write them out
411        LOGE("Audio/video interleave duration is too large: %d us", durationUs);
412        return BAD_VALUE;
413    }
414    mInterleaveDurationUs = durationUs;
415    return OK;
416}
417
418// If seconds <  0, only the first frame is I frame, and rest are all P frames
419// If seconds == 0, all frames are encoded as I frames. No P frames
420// If seconds >  0, it is the time spacing (seconds) between 2 neighboring I frames
421status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) {
422    LOGV("setParamVideoIFramesInterval: %d seconds", seconds);
423    mIFramesIntervalSec = seconds;
424    return OK;
425}
426
427status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) {
428    LOGV("setParam64BitFileOffset: %s",
429        use64Bit? "use 64 bit file offset": "use 32 bit file offset");
430    mUse64BitFileOffset = use64Bit;
431    return OK;
432}
433
434status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) {
435    LOGV("setParamVideoCameraId: %d", cameraId);
436    if (cameraId < 0) {
437        return BAD_VALUE;
438    }
439    mCameraId = cameraId;
440    return OK;
441}
442
443status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) {
444    LOGV("setParamTrackTimeStatus: %lld", timeDurationUs);
445    if (timeDurationUs < 20000) {  // Infeasible if shorter than 20 ms?
446        LOGE("Tracking time duration too short: %lld us", timeDurationUs);
447        return BAD_VALUE;
448    }
449    mTrackEveryTimeDurationUs = timeDurationUs;
450    return OK;
451}
452
453status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) {
454    LOGV("setParamVideoEncoderProfile: %d", profile);
455
456    // Additional check will be done later when we load the encoder.
457    // For now, we are accepting values defined in OpenMAX IL.
458    mVideoEncoderProfile = profile;
459    return OK;
460}
461
462status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) {
463    LOGV("setParamVideoEncoderLevel: %d", level);
464
465    // Additional check will be done later when we load the encoder.
466    // For now, we are accepting values defined in OpenMAX IL.
467    mVideoEncoderLevel = level;
468    return OK;
469}
470
471status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) {
472    LOGV("setParamMovieTimeScale: %d", timeScale);
473
474    // The range is set to be the same as the audio's time scale range
475    // since audio's time scale has a wider range.
476    if (timeScale < 600 || timeScale > 96000) {
477        LOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale);
478        return BAD_VALUE;
479    }
480    mMovieTimeScale = timeScale;
481    return OK;
482}
483
484status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) {
485    LOGV("setParamVideoTimeScale: %d", timeScale);
486
487    // 60000 is chosen to make sure that each video frame from a 60-fps
488    // video has 1000 ticks.
489    if (timeScale < 600 || timeScale > 60000) {
490        LOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale);
491        return BAD_VALUE;
492    }
493    mVideoTimeScale = timeScale;
494    return OK;
495}
496
497status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) {
498    LOGV("setParamAudioTimeScale: %d", timeScale);
499
500    // 96000 Hz is the highest sampling rate support in AAC.
501    if (timeScale < 600 || timeScale > 96000) {
502        LOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale);
503        return BAD_VALUE;
504    }
505    mAudioTimeScale = timeScale;
506    return OK;
507}
508
509status_t StagefrightRecorder::setParamTimeLapseEnable(int32_t timeLapseEnable) {
510    LOGV("setParamTimeLapseEnable: %d", timeLapseEnable);
511
512    if(timeLapseEnable == 0) {
513        mCaptureTimeLapse = false;
514    } else if (timeLapseEnable == 1) {
515        mCaptureTimeLapse = true;
516    } else {
517        return BAD_VALUE;
518    }
519    return OK;
520}
521
522status_t StagefrightRecorder::setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs) {
523    LOGV("setParamTimeBetweenTimeLapseFrameCapture: %lld us", timeUs);
524
525    // Not allowing time more than a day
526    if (timeUs <= 0 || timeUs > 86400*1E6) {
527        LOGE("Time between time lapse frame capture (%lld) is out of range [0, 1 Day]", timeUs);
528        return BAD_VALUE;
529    }
530
531    mTimeBetweenTimeLapseFrameCaptureUs = timeUs;
532    return OK;
533}
534
535status_t StagefrightRecorder::setParamAuxVideoWidth(int32_t width) {
536    LOGV("setParamAuxVideoWidth : %d", width);
537
538    if (width <= 0) {
539        LOGE("Width (%d) is not positive", width);
540        return BAD_VALUE;
541    }
542
543    mAuxVideoWidth = width;
544    return OK;
545}
546
547status_t StagefrightRecorder::setParamAuxVideoHeight(int32_t height) {
548    LOGV("setParamAuxVideoHeight : %d", height);
549
550    if (height <= 0) {
551        LOGE("Height (%d) is not positive", height);
552        return BAD_VALUE;
553    }
554
555    mAuxVideoHeight = height;
556    return OK;
557}
558
559status_t StagefrightRecorder::setParamAuxVideoEncodingBitRate(int32_t bitRate) {
560    LOGV("StagefrightRecorder::setParamAuxVideoEncodingBitRate: %d", bitRate);
561
562    if (bitRate <= 0) {
563        LOGE("Invalid video encoding bit rate: %d", bitRate);
564        return BAD_VALUE;
565    }
566
567    mAuxVideoBitRate = bitRate;
568    return OK;
569}
570
571status_t StagefrightRecorder::setParameter(
572        const String8 &key, const String8 &value) {
573    LOGV("setParameter: key (%s) => value (%s)", key.string(), value.string());
574    if (key == "max-duration") {
575        int64_t max_duration_ms;
576        if (safe_strtoi64(value.string(), &max_duration_ms)) {
577            return setParamMaxFileDurationUs(1000LL * max_duration_ms);
578        }
579    } else if (key == "max-filesize") {
580        int64_t max_filesize_bytes;
581        if (safe_strtoi64(value.string(), &max_filesize_bytes)) {
582            return setParamMaxFileSizeBytes(max_filesize_bytes);
583        }
584    } else if (key == "interleave-duration-us") {
585        int32_t durationUs;
586        if (safe_strtoi32(value.string(), &durationUs)) {
587            return setParamInterleaveDuration(durationUs);
588        }
589    } else if (key == "param-movie-time-scale") {
590        int32_t timeScale;
591        if (safe_strtoi32(value.string(), &timeScale)) {
592            return setParamMovieTimeScale(timeScale);
593        }
594    } else if (key == "param-use-64bit-offset") {
595        int32_t use64BitOffset;
596        if (safe_strtoi32(value.string(), &use64BitOffset)) {
597            return setParam64BitFileOffset(use64BitOffset != 0);
598        }
599    } else if (key == "param-track-time-status") {
600        int64_t timeDurationUs;
601        if (safe_strtoi64(value.string(), &timeDurationUs)) {
602            return setParamTrackTimeStatus(timeDurationUs);
603        }
604    } else if (key == "audio-param-sampling-rate") {
605        int32_t sampling_rate;
606        if (safe_strtoi32(value.string(), &sampling_rate)) {
607            return setParamAudioSamplingRate(sampling_rate);
608        }
609    } else if (key == "audio-param-number-of-channels") {
610        int32_t number_of_channels;
611        if (safe_strtoi32(value.string(), &number_of_channels)) {
612            return setParamAudioNumberOfChannels(number_of_channels);
613        }
614    } else if (key == "audio-param-encoding-bitrate") {
615        int32_t audio_bitrate;
616        if (safe_strtoi32(value.string(), &audio_bitrate)) {
617            return setParamAudioEncodingBitRate(audio_bitrate);
618        }
619    } else if (key == "audio-param-time-scale") {
620        int32_t timeScale;
621        if (safe_strtoi32(value.string(), &timeScale)) {
622            return setParamAudioTimeScale(timeScale);
623        }
624    } else if (key == "video-param-encoding-bitrate") {
625        int32_t video_bitrate;
626        if (safe_strtoi32(value.string(), &video_bitrate)) {
627            return setParamVideoEncodingBitRate(video_bitrate);
628        }
629    } else if (key == "video-param-rotation-angle-degrees") {
630        int32_t degrees;
631        if (safe_strtoi32(value.string(), &degrees)) {
632            return setParamVideoRotation(degrees);
633        }
634    } else if (key == "video-param-i-frames-interval") {
635        int32_t seconds;
636        if (safe_strtoi32(value.string(), &seconds)) {
637            return setParamVideoIFramesInterval(seconds);
638        }
639    } else if (key == "video-param-encoder-profile") {
640        int32_t profile;
641        if (safe_strtoi32(value.string(), &profile)) {
642            return setParamVideoEncoderProfile(profile);
643        }
644    } else if (key == "video-param-encoder-level") {
645        int32_t level;
646        if (safe_strtoi32(value.string(), &level)) {
647            return setParamVideoEncoderLevel(level);
648        }
649    } else if (key == "video-param-camera-id") {
650        int32_t cameraId;
651        if (safe_strtoi32(value.string(), &cameraId)) {
652            return setParamVideoCameraId(cameraId);
653        }
654    } else if (key == "video-param-time-scale") {
655        int32_t timeScale;
656        if (safe_strtoi32(value.string(), &timeScale)) {
657            return setParamVideoTimeScale(timeScale);
658        }
659    } else if (key == "time-lapse-enable") {
660        int32_t timeLapseEnable;
661        if (safe_strtoi32(value.string(), &timeLapseEnable)) {
662            return setParamTimeLapseEnable(timeLapseEnable);
663        }
664    } else if (key == "time-between-time-lapse-frame-capture") {
665        int64_t timeBetweenTimeLapseFrameCaptureMs;
666        if (safe_strtoi64(value.string(), &timeBetweenTimeLapseFrameCaptureMs)) {
667            return setParamTimeBetweenTimeLapseFrameCapture(
668                    1000LL * timeBetweenTimeLapseFrameCaptureMs);
669        }
670    } else if (key == "video-aux-param-width") {
671        int32_t auxWidth;
672        if (safe_strtoi32(value.string(), &auxWidth)) {
673            return setParamAuxVideoWidth(auxWidth);
674        }
675    } else if (key == "video-aux-param-height") {
676        int32_t auxHeight;
677        if (safe_strtoi32(value.string(), &auxHeight)) {
678            return setParamAuxVideoHeight(auxHeight);
679        }
680    } else if (key == "video-aux-param-encoding-bitrate") {
681        int32_t auxVideoBitRate;
682        if (safe_strtoi32(value.string(), &auxVideoBitRate)) {
683            return setParamAuxVideoEncodingBitRate(auxVideoBitRate);
684        }
685    } else {
686        LOGE("setParameter: failed to find key %s", key.string());
687    }
688    return BAD_VALUE;
689}
690
691status_t StagefrightRecorder::setParameters(const String8 &params) {
692    LOGV("setParameters: %s", params.string());
693    const char *cparams = params.string();
694    const char *key_start = cparams;
695    for (;;) {
696        const char *equal_pos = strchr(key_start, '=');
697        if (equal_pos == NULL) {
698            LOGE("Parameters %s miss a value", cparams);
699            return BAD_VALUE;
700        }
701        String8 key(key_start, equal_pos - key_start);
702        TrimString(&key);
703        if (key.length() == 0) {
704            LOGE("Parameters %s contains an empty key", cparams);
705            return BAD_VALUE;
706        }
707        const char *value_start = equal_pos + 1;
708        const char *semicolon_pos = strchr(value_start, ';');
709        String8 value;
710        if (semicolon_pos == NULL) {
711            value.setTo(value_start);
712        } else {
713            value.setTo(value_start, semicolon_pos - value_start);
714        }
715        if (setParameter(key, value) != OK) {
716            return BAD_VALUE;
717        }
718        if (semicolon_pos == NULL) {
719            break;  // Reaches the end
720        }
721        key_start = semicolon_pos + 1;
722    }
723    return OK;
724}
725
726status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) {
727    mListener = listener;
728
729    return OK;
730}
731
732status_t StagefrightRecorder::prepare() {
733    return OK;
734}
735
736status_t StagefrightRecorder::start() {
737    CHECK(mOutputFd >= 0);
738
739    if (mWriter != NULL) {
740        LOGE("File writer is not avaialble");
741        return UNKNOWN_ERROR;
742    }
743
744    switch (mOutputFormat) {
745        case OUTPUT_FORMAT_DEFAULT:
746        case OUTPUT_FORMAT_THREE_GPP:
747        case OUTPUT_FORMAT_MPEG_4:
748            return startMPEG4Recording();
749
750        case OUTPUT_FORMAT_AMR_NB:
751        case OUTPUT_FORMAT_AMR_WB:
752            return startAMRRecording();
753
754        case OUTPUT_FORMAT_AAC_ADIF:
755        case OUTPUT_FORMAT_AAC_ADTS:
756            return startAACRecording();
757
758        case OUTPUT_FORMAT_RTP_AVP:
759            return startRTPRecording();
760
761        case OUTPUT_FORMAT_MPEG2TS:
762            return startMPEG2TSRecording();
763
764        default:
765            LOGE("Unsupported output file format: %d", mOutputFormat);
766            return UNKNOWN_ERROR;
767    }
768}
769
770sp<MediaSource> StagefrightRecorder::createAudioSource() {
771    sp<AudioSource> audioSource =
772        new AudioSource(
773                mAudioSource,
774                mSampleRate,
775                mAudioChannels);
776
777    status_t err = audioSource->initCheck();
778
779    if (err != OK) {
780        LOGE("audio source is not initialized");
781        return NULL;
782    }
783
784    sp<MetaData> encMeta = new MetaData;
785    const char *mime;
786    switch (mAudioEncoder) {
787        case AUDIO_ENCODER_AMR_NB:
788        case AUDIO_ENCODER_DEFAULT:
789            mime = MEDIA_MIMETYPE_AUDIO_AMR_NB;
790            break;
791        case AUDIO_ENCODER_AMR_WB:
792            mime = MEDIA_MIMETYPE_AUDIO_AMR_WB;
793            break;
794        case AUDIO_ENCODER_AAC:
795            mime = MEDIA_MIMETYPE_AUDIO_AAC;
796            break;
797        default:
798            LOGE("Unknown audio encoder: %d", mAudioEncoder);
799            return NULL;
800    }
801    encMeta->setCString(kKeyMIMEType, mime);
802
803    int32_t maxInputSize;
804    CHECK(audioSource->getFormat()->findInt32(
805                kKeyMaxInputSize, &maxInputSize));
806
807    encMeta->setInt32(kKeyMaxInputSize, maxInputSize);
808    encMeta->setInt32(kKeyChannelCount, mAudioChannels);
809    encMeta->setInt32(kKeySampleRate, mSampleRate);
810    encMeta->setInt32(kKeyBitRate, mAudioBitRate);
811    if (mAudioTimeScale > 0) {
812        encMeta->setInt32(kKeyTimeScale, mAudioTimeScale);
813    }
814
815    OMXClient client;
816    CHECK_EQ(client.connect(), OK);
817
818    sp<MediaSource> audioEncoder =
819        OMXCodec::Create(client.interface(), encMeta,
820                         true /* createEncoder */, audioSource);
821    mAudioSourceNode = audioSource;
822
823    return audioEncoder;
824}
825
826status_t StagefrightRecorder::startAACRecording() {
827    CHECK(mOutputFormat == OUTPUT_FORMAT_AAC_ADIF ||
828          mOutputFormat == OUTPUT_FORMAT_AAC_ADTS);
829
830    CHECK(mAudioEncoder == AUDIO_ENCODER_AAC);
831    CHECK(mAudioSource != AUDIO_SOURCE_LIST_END);
832
833    CHECK(0 == "AACWriter is not implemented yet");
834
835    return OK;
836}
837
838status_t StagefrightRecorder::startAMRRecording() {
839    CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
840          mOutputFormat == OUTPUT_FORMAT_AMR_WB);
841
842    if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) {
843        if (mAudioEncoder != AUDIO_ENCODER_DEFAULT &&
844            mAudioEncoder != AUDIO_ENCODER_AMR_NB) {
845            LOGE("Invalid encoder %d used for AMRNB recording",
846                    mAudioEncoder);
847            return BAD_VALUE;
848        }
849        if (mSampleRate != 8000) {
850            LOGE("Invalid sampling rate %d used for AMRNB recording",
851                    mSampleRate);
852            return BAD_VALUE;
853        }
854    } else {  // mOutputFormat must be OUTPUT_FORMAT_AMR_WB
855        if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) {
856            LOGE("Invlaid encoder %d used for AMRWB recording",
857                    mAudioEncoder);
858            return BAD_VALUE;
859        }
860        if (mSampleRate != 16000) {
861            LOGE("Invalid sample rate %d used for AMRWB recording",
862                    mSampleRate);
863            return BAD_VALUE;
864        }
865    }
866    if (mAudioChannels != 1) {
867        LOGE("Invalid number of audio channels %d used for amr recording",
868                mAudioChannels);
869        return BAD_VALUE;
870    }
871
872    if (mAudioSource >= AUDIO_SOURCE_LIST_END) {
873        LOGE("Invalid audio source: %d", mAudioSource);
874        return BAD_VALUE;
875    }
876
877    sp<MediaSource> audioEncoder = createAudioSource();
878
879    if (audioEncoder == NULL) {
880        return UNKNOWN_ERROR;
881    }
882
883    mWriter = new AMRWriter(mOutputFd);
884    mWriter->addSource(audioEncoder);
885
886    if (mMaxFileDurationUs != 0) {
887        mWriter->setMaxFileDuration(mMaxFileDurationUs);
888    }
889    if (mMaxFileSizeBytes != 0) {
890        mWriter->setMaxFileSize(mMaxFileSizeBytes);
891    }
892    mWriter->setListener(mListener);
893    mWriter->start();
894
895    return OK;
896}
897
898status_t StagefrightRecorder::startRTPRecording() {
899    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
900
901    if ((mAudioSource != AUDIO_SOURCE_LIST_END
902                && mVideoSource != VIDEO_SOURCE_LIST_END)
903            || (mAudioSource == AUDIO_SOURCE_LIST_END
904                && mVideoSource == VIDEO_SOURCE_LIST_END)) {
905        // Must have exactly one source.
906        return BAD_VALUE;
907    }
908
909    if (mOutputFd < 0) {
910        return BAD_VALUE;
911    }
912
913    sp<MediaSource> source;
914
915    if (mAudioSource != AUDIO_SOURCE_LIST_END) {
916        source = createAudioSource();
917    } else {
918
919        sp<CameraSource> cameraSource;
920        status_t err = setupCameraSource(&cameraSource);
921        if (err != OK) {
922            return err;
923        }
924
925        err = setupVideoEncoder(cameraSource, mVideoBitRate, &source);
926        if (err != OK) {
927            return err;
928        }
929    }
930
931    mWriter = new ARTPWriter(mOutputFd);
932    mWriter->addSource(source);
933    mWriter->setListener(mListener);
934
935    return mWriter->start();
936}
937
938status_t StagefrightRecorder::startMPEG2TSRecording() {
939    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
940
941    sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd);
942
943    if (mAudioSource != AUDIO_SOURCE_LIST_END) {
944        if (mAudioEncoder != AUDIO_ENCODER_AAC) {
945            return ERROR_UNSUPPORTED;
946        }
947
948        status_t err = setupAudioEncoder(writer);
949
950        if (err != OK) {
951            return err;
952        }
953    }
954
955    if (mVideoSource == VIDEO_SOURCE_DEFAULT
956            || mVideoSource == VIDEO_SOURCE_CAMERA) {
957        if (mVideoEncoder != VIDEO_ENCODER_H264) {
958            return ERROR_UNSUPPORTED;
959        }
960
961        sp<CameraSource> cameraSource;
962        status_t err = setupCameraSource(&cameraSource);
963        if (err != OK) {
964            return err;
965        }
966
967        sp<MediaSource> encoder;
968        err = setupVideoEncoder(cameraSource, mVideoBitRate, &encoder);
969
970        if (err != OK) {
971            return err;
972        }
973
974        writer->addSource(encoder);
975    }
976
977    if (mMaxFileDurationUs != 0) {
978        writer->setMaxFileDuration(mMaxFileDurationUs);
979    }
980
981    if (mMaxFileSizeBytes != 0) {
982        writer->setMaxFileSize(mMaxFileSizeBytes);
983    }
984
985    mWriter = writer;
986
987    return mWriter->start();
988}
989
990void StagefrightRecorder::clipVideoFrameRate() {
991    LOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
992    int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
993                        "enc.vid.fps.min", mVideoEncoder);
994    int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
995                        "enc.vid.fps.max", mVideoEncoder);
996    if (mFrameRate < minFrameRate && mFrameRate != -1) {
997        LOGW("Intended video encoding frame rate (%d fps) is too small"
998             " and will be set to (%d fps)", mFrameRate, minFrameRate);
999        mFrameRate = minFrameRate;
1000    } else if (mFrameRate > maxFrameRate) {
1001        LOGW("Intended video encoding frame rate (%d fps) is too large"
1002             " and will be set to (%d fps)", mFrameRate, maxFrameRate);
1003        mFrameRate = maxFrameRate;
1004    }
1005}
1006
1007void StagefrightRecorder::clipVideoBitRate() {
1008    LOGV("clipVideoBitRate: encoder %d", mVideoEncoder);
1009    int minBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1010                        "enc.vid.bps.min", mVideoEncoder);
1011    int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1012                        "enc.vid.bps.max", mVideoEncoder);
1013    if (mVideoBitRate < minBitRate) {
1014        LOGW("Intended video encoding bit rate (%d bps) is too small"
1015             " and will be set to (%d bps)", mVideoBitRate, minBitRate);
1016        mVideoBitRate = minBitRate;
1017    } else if (mVideoBitRate > maxBitRate) {
1018        LOGW("Intended video encoding bit rate (%d bps) is too large"
1019             " and will be set to (%d bps)", mVideoBitRate, maxBitRate);
1020        mVideoBitRate = maxBitRate;
1021    }
1022}
1023
1024void StagefrightRecorder::clipVideoFrameWidth() {
1025    LOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder);
1026    int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1027                        "enc.vid.width.min", mVideoEncoder);
1028    int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1029                        "enc.vid.width.max", mVideoEncoder);
1030    if (mVideoWidth < minFrameWidth) {
1031        LOGW("Intended video encoding frame width (%d) is too small"
1032             " and will be set to (%d)", mVideoWidth, minFrameWidth);
1033        mVideoWidth = minFrameWidth;
1034    } else if (mVideoWidth > maxFrameWidth) {
1035        LOGW("Intended video encoding frame width (%d) is too large"
1036             " and will be set to (%d)", mVideoWidth, maxFrameWidth);
1037        mVideoWidth = maxFrameWidth;
1038    }
1039}
1040
1041status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
1042    if (!mCaptureTimeLapse) {
1043        // Dont clip for time lapse capture as encoder will have enough
1044        // time to encode because of slow capture rate of time lapse.
1045        clipVideoBitRate();
1046        clipVideoFrameRate();
1047        clipVideoFrameWidth();
1048        clipVideoFrameHeight();
1049    }
1050    return OK;
1051}
1052
1053void StagefrightRecorder::clipVideoFrameHeight() {
1054    LOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder);
1055    int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1056                        "enc.vid.height.min", mVideoEncoder);
1057    int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1058                        "enc.vid.height.max", mVideoEncoder);
1059    if (mVideoHeight < minFrameHeight) {
1060        LOGW("Intended video encoding frame height (%d) is too small"
1061             " and will be set to (%d)", mVideoHeight, minFrameHeight);
1062        mVideoHeight = minFrameHeight;
1063    } else if (mVideoHeight > maxFrameHeight) {
1064        LOGW("Intended video encoding frame height (%d) is too large"
1065             " and will be set to (%d)", mVideoHeight, maxFrameHeight);
1066        mVideoHeight = maxFrameHeight;
1067    }
1068}
1069
1070status_t StagefrightRecorder::setupCameraSource(
1071        sp<CameraSource> *cameraSource) {
1072    status_t err = OK;
1073    if ((err = checkVideoEncoderCapabilities()) != OK) {
1074        return err;
1075    }
1076    Size videoSize;
1077    videoSize.width = mVideoWidth;
1078    videoSize.height = mVideoHeight;
1079    if (mCaptureTimeLapse) {
1080        mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
1081                mCamera, mCameraId,
1082                videoSize, mFrameRate, mPreviewSurface,
1083                mTimeBetweenTimeLapseFrameCaptureUs);
1084        *cameraSource = mCameraSourceTimeLapse;
1085    } else {
1086        *cameraSource = CameraSource::CreateFromCamera(
1087                mCamera, mCameraId, videoSize, mFrameRate,
1088                mPreviewSurface, true /*storeMetaDataInVideoBuffers*/);
1089    }
1090    if (*cameraSource == NULL) {
1091        return UNKNOWN_ERROR;
1092    }
1093
1094    if ((*cameraSource)->initCheck() != OK) {
1095        (*cameraSource).clear();
1096        *cameraSource = NULL;
1097        return NO_INIT;
1098    }
1099
1100    // When frame rate is not set, the actual frame rate will be set to
1101    // the current frame rate being used.
1102    if (mFrameRate == -1) {
1103        int32_t frameRate = 0;
1104        CHECK ((*cameraSource)->getFormat()->findInt32(
1105                    kKeyFrameRate, &frameRate));
1106        LOGI("Frame rate is not explicitly set. Use the current frame "
1107             "rate (%d fps)", frameRate);
1108        mFrameRate = frameRate;
1109    }
1110
1111    CHECK(mFrameRate != -1);
1112
1113    mIsMetaDataStoredInVideoBuffers =
1114        (*cameraSource)->isMetaDataStoredInVideoBuffers();
1115
1116    return OK;
1117}
1118
1119status_t StagefrightRecorder::setupVideoEncoder(
1120        sp<MediaSource> cameraSource,
1121        int32_t videoBitRate,
1122        sp<MediaSource> *source) {
1123    source->clear();
1124
1125    sp<MetaData> enc_meta = new MetaData;
1126    enc_meta->setInt32(kKeyBitRate, videoBitRate);
1127    enc_meta->setInt32(kKeyFrameRate, mFrameRate);
1128
1129    switch (mVideoEncoder) {
1130        case VIDEO_ENCODER_H263:
1131            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
1132            break;
1133
1134        case VIDEO_ENCODER_MPEG_4_SP:
1135            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
1136            break;
1137
1138        case VIDEO_ENCODER_H264:
1139            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
1140            break;
1141
1142        default:
1143            CHECK(!"Should not be here, unsupported video encoding.");
1144            break;
1145    }
1146
1147    sp<MetaData> meta = cameraSource->getFormat();
1148
1149    int32_t width, height, stride, sliceHeight, colorFormat;
1150    CHECK(meta->findInt32(kKeyWidth, &width));
1151    CHECK(meta->findInt32(kKeyHeight, &height));
1152    CHECK(meta->findInt32(kKeyStride, &stride));
1153    CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
1154    CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
1155
1156    enc_meta->setInt32(kKeyWidth, width);
1157    enc_meta->setInt32(kKeyHeight, height);
1158    enc_meta->setInt32(kKeyIFramesInterval, mIFramesIntervalSec);
1159    enc_meta->setInt32(kKeyStride, stride);
1160    enc_meta->setInt32(kKeySliceHeight, sliceHeight);
1161    enc_meta->setInt32(kKeyColorFormat, colorFormat);
1162    if (mVideoTimeScale > 0) {
1163        enc_meta->setInt32(kKeyTimeScale, mVideoTimeScale);
1164    }
1165    if (mVideoEncoderProfile != -1) {
1166        enc_meta->setInt32(kKeyVideoProfile, mVideoEncoderProfile);
1167    }
1168    if (mVideoEncoderLevel != -1) {
1169        enc_meta->setInt32(kKeyVideoLevel, mVideoEncoderLevel);
1170    } else if (mCaptureTimeLapse) {
1171        // Check if we are using high resolution and/or high bitrate and
1172        // set appropriate level for the software AVCEncoder.
1173        if ((width * height >= 921600) // 720p
1174                || (videoBitRate >= 20000000)) {
1175            enc_meta->setInt32(kKeyVideoLevel, OMX_VIDEO_AVCLevel5);
1176        }
1177    }
1178
1179    OMXClient client;
1180    CHECK_EQ(client.connect(), OK);
1181
1182    // Use software codec for time lapse
1183    uint32_t encoder_flags = 0;
1184    if (mCaptureTimeLapse) {
1185        encoder_flags |= OMXCodec::kPreferSoftwareCodecs;
1186    } else if (mIsMetaDataStoredInVideoBuffers) {
1187        encoder_flags |= OMXCodec::kHardwareCodecsOnly;
1188        encoder_flags |= OMXCodec::kStoreMetaDataInVideoBuffers;
1189    }
1190    sp<MediaSource> encoder = OMXCodec::Create(
1191            client.interface(), enc_meta,
1192            true /* createEncoder */, cameraSource,
1193            NULL, encoder_flags);
1194    if (encoder == NULL) {
1195        LOGW("Failed to create the encoder");
1196        // When the encoder fails to be created, we need
1197        // release the camera source due to the camera's lock
1198        // and unlock mechanism.
1199        cameraSource->stop();
1200        return UNKNOWN_ERROR;
1201    }
1202
1203    *source = encoder;
1204
1205    return OK;
1206}
1207
1208status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) {
1209    sp<MediaSource> audioEncoder;
1210    switch(mAudioEncoder) {
1211        case AUDIO_ENCODER_AMR_NB:
1212        case AUDIO_ENCODER_AMR_WB:
1213        case AUDIO_ENCODER_AAC:
1214            audioEncoder = createAudioSource();
1215            break;
1216        default:
1217            LOGE("Unsupported audio encoder: %d", mAudioEncoder);
1218            return UNKNOWN_ERROR;
1219    }
1220
1221    if (audioEncoder == NULL) {
1222        return UNKNOWN_ERROR;
1223    }
1224
1225    writer->addSource(audioEncoder);
1226    return OK;
1227}
1228
1229status_t StagefrightRecorder::setupMPEG4Recording(
1230        bool useSplitCameraSource,
1231        int outputFd,
1232        int32_t videoWidth, int32_t videoHeight,
1233        int32_t videoBitRate,
1234        int32_t *totalBitRate,
1235        sp<MediaWriter> *mediaWriter) {
1236    mediaWriter->clear();
1237    *totalBitRate = 0;
1238    status_t err = OK;
1239    sp<MediaWriter> writer = new MPEG4Writer(outputFd);
1240
1241    // Add audio source first if it exists
1242    if (!mCaptureTimeLapse && (mAudioSource != AUDIO_SOURCE_LIST_END)) {
1243        err = setupAudioEncoder(writer);
1244        if (err != OK) return err;
1245        *totalBitRate += mAudioBitRate;
1246    }
1247    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1248            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1249
1250        sp<MediaSource> cameraMediaSource;
1251        if (useSplitCameraSource) {
1252            LOGV("Using Split camera source");
1253            cameraMediaSource = mCameraSourceSplitter->createClient();
1254        } else {
1255            sp<CameraSource> cameraSource;
1256            err = setupCameraSource(&cameraSource);
1257            cameraMediaSource = cameraSource;
1258        }
1259        if ((videoWidth != mVideoWidth) || (videoHeight != mVideoHeight)) {
1260            // Use downsampling from the original source.
1261            cameraMediaSource =
1262                new VideoSourceDownSampler(cameraMediaSource, videoWidth, videoHeight);
1263        }
1264        if (err != OK) {
1265            return err;
1266        }
1267
1268        sp<MediaSource> encoder;
1269        err = setupVideoEncoder(cameraMediaSource, videoBitRate, &encoder);
1270        if (err != OK) {
1271            return err;
1272        }
1273
1274        writer->addSource(encoder);
1275        *totalBitRate += videoBitRate;
1276    }
1277
1278    if (mInterleaveDurationUs > 0) {
1279        reinterpret_cast<MPEG4Writer *>(writer.get())->
1280            setInterleaveDuration(mInterleaveDurationUs);
1281    }
1282    if (mMaxFileDurationUs != 0) {
1283        writer->setMaxFileDuration(mMaxFileDurationUs);
1284    }
1285    if (mMaxFileSizeBytes != 0) {
1286        writer->setMaxFileSize(mMaxFileSizeBytes);
1287    }
1288
1289    writer->setListener(mListener);
1290    *mediaWriter = writer;
1291    return OK;
1292}
1293
1294void StagefrightRecorder::setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
1295        sp<MetaData> *meta) {
1296    (*meta)->setInt64(kKeyTime, startTimeUs);
1297    (*meta)->setInt32(kKeyFileType, mOutputFormat);
1298    (*meta)->setInt32(kKeyBitRate, totalBitRate);
1299    (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
1300    if (mMovieTimeScale > 0) {
1301        (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
1302    }
1303    if (mTrackEveryTimeDurationUs > 0) {
1304        (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs);
1305    }
1306    if (mRotationDegrees != 0) {
1307        (*meta)->setInt32(kKeyRotation, mRotationDegrees);
1308    }
1309}
1310
1311status_t StagefrightRecorder::startMPEG4Recording() {
1312    if (mCaptureAuxVideo) {
1313        if (!mCaptureTimeLapse) {
1314            LOGE("Auxiliary video can be captured only in time lapse mode");
1315            return UNKNOWN_ERROR;
1316        }
1317        LOGV("Creating MediaSourceSplitter");
1318        sp<CameraSource> cameraSource;
1319        status_t err = setupCameraSource(&cameraSource);
1320        if (err != OK) {
1321            return err;
1322        }
1323        mCameraSourceSplitter = new MediaSourceSplitter(cameraSource);
1324    } else {
1325        mCameraSourceSplitter = NULL;
1326    }
1327
1328    int32_t totalBitRate;
1329    status_t err = setupMPEG4Recording(mCaptureAuxVideo,
1330            mOutputFd, mVideoWidth, mVideoHeight,
1331            mVideoBitRate, &totalBitRate, &mWriter);
1332    if (err != OK) {
1333        return err;
1334    }
1335
1336    int64_t startTimeUs = systemTime() / 1000;
1337    sp<MetaData> meta = new MetaData;
1338    setupMPEG4MetaData(startTimeUs, totalBitRate, &meta);
1339
1340    err = mWriter->start(meta.get());
1341    if (err != OK) {
1342        return err;
1343    }
1344
1345    if (mCaptureAuxVideo) {
1346        CHECK(mOutputFdAux >= 0);
1347        if (mWriterAux != NULL) {
1348            LOGE("Auxiliary File writer is not avaialble");
1349            return UNKNOWN_ERROR;
1350        }
1351        if ((mAuxVideoWidth > mVideoWidth) || (mAuxVideoHeight > mVideoHeight) ||
1352                ((mAuxVideoWidth == mVideoWidth) && mAuxVideoHeight == mVideoHeight)) {
1353            LOGE("Auxiliary video size (%d x %d) same or larger than the main video size (%d x %d)",
1354                    mAuxVideoWidth, mAuxVideoHeight, mVideoWidth, mVideoHeight);
1355            return UNKNOWN_ERROR;
1356        }
1357
1358        int32_t totalBitrateAux;
1359        err = setupMPEG4Recording(mCaptureAuxVideo,
1360                mOutputFdAux, mAuxVideoWidth, mAuxVideoHeight,
1361                mAuxVideoBitRate, &totalBitrateAux, &mWriterAux);
1362        if (err != OK) {
1363            return err;
1364        }
1365
1366        sp<MetaData> metaAux = new MetaData;
1367        setupMPEG4MetaData(startTimeUs, totalBitrateAux, &metaAux);
1368
1369        return mWriterAux->start(metaAux.get());
1370    }
1371
1372    return OK;
1373}
1374
1375status_t StagefrightRecorder::pause() {
1376    LOGV("pause");
1377    if (mWriter == NULL) {
1378        return UNKNOWN_ERROR;
1379    }
1380    mWriter->pause();
1381
1382    if (mCaptureAuxVideo) {
1383        if (mWriterAux == NULL) {
1384            return UNKNOWN_ERROR;
1385        }
1386        mWriterAux->pause();
1387    }
1388
1389    return OK;
1390}
1391
1392status_t StagefrightRecorder::stop() {
1393    LOGV("stop");
1394    status_t err = OK;
1395
1396    if (mCaptureTimeLapse && mCameraSourceTimeLapse != NULL) {
1397        mCameraSourceTimeLapse->startQuickReadReturns();
1398        mCameraSourceTimeLapse = NULL;
1399    }
1400
1401    if (mCaptureAuxVideo) {
1402        if (mWriterAux != NULL) {
1403            mWriterAux->stop();
1404            mWriterAux.clear();
1405        }
1406    }
1407
1408    if (mWriter != NULL) {
1409        err = mWriter->stop();
1410        mWriter.clear();
1411    }
1412
1413    if (mOutputFd >= 0) {
1414        ::close(mOutputFd);
1415        mOutputFd = -1;
1416    }
1417
1418    if (mCaptureAuxVideo) {
1419        if (mOutputFdAux >= 0) {
1420            ::close(mOutputFdAux);
1421            mOutputFdAux = -1;
1422        }
1423    }
1424
1425    return err;
1426}
1427
1428status_t StagefrightRecorder::close() {
1429    LOGV("close");
1430    stop();
1431
1432    return OK;
1433}
1434
1435status_t StagefrightRecorder::reset() {
1436    LOGV("reset");
1437    stop();
1438
1439    // No audio or video source by default
1440    mAudioSource = AUDIO_SOURCE_LIST_END;
1441    mVideoSource = VIDEO_SOURCE_LIST_END;
1442
1443    // Default parameters
1444    mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
1445    mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
1446    mVideoEncoder  = VIDEO_ENCODER_H263;
1447    mVideoWidth    = 176;
1448    mVideoHeight   = 144;
1449    mAuxVideoWidth    = 176;
1450    mAuxVideoHeight   = 144;
1451    mFrameRate     = -1;
1452    mVideoBitRate  = 192000;
1453    mAuxVideoBitRate = 192000;
1454    mSampleRate    = 8000;
1455    mAudioChannels = 1;
1456    mAudioBitRate  = 12200;
1457    mInterleaveDurationUs = 0;
1458    mIFramesIntervalSec = 1;
1459    mAudioSourceNode = 0;
1460    mUse64BitFileOffset = false;
1461    mMovieTimeScale  = -1;
1462    mAudioTimeScale  = -1;
1463    mVideoTimeScale  = -1;
1464    mCameraId        = 0;
1465    mVideoEncoderProfile = -1;
1466    mVideoEncoderLevel   = -1;
1467    mMaxFileDurationUs = 0;
1468    mMaxFileSizeBytes = 0;
1469    mTrackEveryTimeDurationUs = 0;
1470    mCaptureTimeLapse = false;
1471    mTimeBetweenTimeLapseFrameCaptureUs = -1;
1472    mCaptureAuxVideo = false;
1473    mCameraSourceSplitter = NULL;
1474    mCameraSourceTimeLapse = NULL;
1475    mIsMetaDataStoredInVideoBuffers = false;
1476    mEncoderProfiles = MediaProfiles::getInstance();
1477    mRotationDegrees = 0;
1478
1479    mOutputFd = -1;
1480    mOutputFdAux = -1;
1481
1482    return OK;
1483}
1484
1485status_t StagefrightRecorder::getMaxAmplitude(int *max) {
1486    LOGV("getMaxAmplitude");
1487
1488    if (max == NULL) {
1489        LOGE("Null pointer argument");
1490        return BAD_VALUE;
1491    }
1492
1493    if (mAudioSourceNode != 0) {
1494        *max = mAudioSourceNode->getMaxAmplitude();
1495    } else {
1496        *max = 0;
1497    }
1498
1499    return OK;
1500}
1501
1502status_t StagefrightRecorder::dump(
1503        int fd, const Vector<String16>& args) const {
1504    LOGV("dump");
1505    const size_t SIZE = 256;
1506    char buffer[SIZE];
1507    String8 result;
1508    if (mWriter != 0) {
1509        mWriter->dump(fd, args);
1510    } else {
1511        snprintf(buffer, SIZE, "   No file writer\n");
1512        result.append(buffer);
1513    }
1514    snprintf(buffer, SIZE, "   Recorder: %p\n", this);
1515    snprintf(buffer, SIZE, "   Output file (fd %d):\n", mOutputFd);
1516    result.append(buffer);
1517    snprintf(buffer, SIZE, "   Output file Auxiliary (fd %d):\n", mOutputFdAux);
1518    result.append(buffer);
1519    snprintf(buffer, SIZE, "     File format: %d\n", mOutputFormat);
1520    result.append(buffer);
1521    snprintf(buffer, SIZE, "     Max file size (bytes): %lld\n", mMaxFileSizeBytes);
1522    result.append(buffer);
1523    snprintf(buffer, SIZE, "     Max file duration (us): %lld\n", mMaxFileDurationUs);
1524    result.append(buffer);
1525    snprintf(buffer, SIZE, "     File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32);
1526    result.append(buffer);
1527    snprintf(buffer, SIZE, "     Interleave duration (us): %d\n", mInterleaveDurationUs);
1528    result.append(buffer);
1529    snprintf(buffer, SIZE, "     Progress notification: %lld us\n", mTrackEveryTimeDurationUs);
1530    result.append(buffer);
1531    snprintf(buffer, SIZE, "   Audio\n");
1532    result.append(buffer);
1533    snprintf(buffer, SIZE, "     Source: %d\n", mAudioSource);
1534    result.append(buffer);
1535    snprintf(buffer, SIZE, "     Encoder: %d\n", mAudioEncoder);
1536    result.append(buffer);
1537    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mAudioBitRate);
1538    result.append(buffer);
1539    snprintf(buffer, SIZE, "     Sampling rate (hz): %d\n", mSampleRate);
1540    result.append(buffer);
1541    snprintf(buffer, SIZE, "     Number of channels: %d\n", mAudioChannels);
1542    result.append(buffer);
1543    snprintf(buffer, SIZE, "     Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude());
1544    result.append(buffer);
1545    snprintf(buffer, SIZE, "   Video\n");
1546    result.append(buffer);
1547    snprintf(buffer, SIZE, "     Source: %d\n", mVideoSource);
1548    result.append(buffer);
1549    snprintf(buffer, SIZE, "     Camera Id: %d\n", mCameraId);
1550    result.append(buffer);
1551    snprintf(buffer, SIZE, "     Encoder: %d\n", mVideoEncoder);
1552    result.append(buffer);
1553    snprintf(buffer, SIZE, "     Encoder profile: %d\n", mVideoEncoderProfile);
1554    result.append(buffer);
1555    snprintf(buffer, SIZE, "     Encoder level: %d\n", mVideoEncoderLevel);
1556    result.append(buffer);
1557    snprintf(buffer, SIZE, "     I frames interval (s): %d\n", mIFramesIntervalSec);
1558    result.append(buffer);
1559    snprintf(buffer, SIZE, "     Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight);
1560    result.append(buffer);
1561    snprintf(buffer, SIZE, "     Aux Frame size (pixels): %dx%d\n", mAuxVideoWidth, mAuxVideoHeight);
1562    result.append(buffer);
1563    snprintf(buffer, SIZE, "     Frame rate (fps): %d\n", mFrameRate);
1564    result.append(buffer);
1565    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mVideoBitRate);
1566    result.append(buffer);
1567    snprintf(buffer, SIZE, "     Aux Bit rate (bps): %d\n", mAuxVideoBitRate);
1568    result.append(buffer);
1569    ::write(fd, result.string(), result.size());
1570    return OK;
1571}
1572}  // namespace android
1573