StagefrightRecorder.cpp revision 760943b5e7a09b602aba04ec451e97662f48b0a4 
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/AACWriter.h>
30#include <media/stagefright/CameraSource.h>
31#include <media/stagefright/VideoSourceDownSampler.h>
32#include <media/stagefright/CameraSourceTimeLapse.h>
33#include <media/stagefright/MediaSourceSplitter.h>
34#include <media/stagefright/MPEG2TSWriter.h>
35#include <media/stagefright/MPEG4Writer.h>
36#include <media/stagefright/MediaDebug.h>
37#include <media/stagefright/MediaDefs.h>
38#include <media/stagefright/MetaData.h>
39#include <media/stagefright/OMXClient.h>
40#include <media/stagefright/OMXCodec.h>
41#include <media/MediaProfiles.h>
42#include <camera/ICamera.h>
43#include <camera/CameraParameters.h>
44#include <surfaceflinger/Surface.h>
45#include <utils/Errors.h>
46#include <sys/types.h>
47#include <ctype.h>
48#include <unistd.h>
49
50#include <hardware/audio.h>
51
52#include "ARTPWriter.h"
53
54namespace android {
55
56// To collect the encoder usage for the battery app
57static void addBatteryData(uint32_t params) {
58    sp<IBinder> binder =
59        defaultServiceManager()->getService(String16("media.player"));
60    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
61    CHECK(service.get() != NULL);
62
63    service->addBatteryData(params);
64}
65
66
67StagefrightRecorder::StagefrightRecorder()
68    : mWriter(NULL), mWriterAux(NULL),
69      mOutputFd(-1), mOutputFdAux(-1),
70      mAudioSource(AUDIO_SOURCE_CNT),
71      mVideoSource(VIDEO_SOURCE_LIST_END),
72      mStarted(false) {
73
74    LOGV("Constructor");
75    reset();
76}
77
78StagefrightRecorder::~StagefrightRecorder() {
79    LOGV("Destructor");
80    stop();
81}
82
83status_t StagefrightRecorder::init() {
84    LOGV("init");
85    return OK;
86}
87
88status_t StagefrightRecorder::setAudioSource(audio_source_t as) {
89    LOGV("setAudioSource: %d", as);
90    if (as < AUDIO_SOURCE_DEFAULT ||
91        as >= AUDIO_SOURCE_CNT) {
92        LOGE("Invalid audio source: %d", as);
93        return BAD_VALUE;
94    }
95
96    if (as == AUDIO_SOURCE_DEFAULT) {
97        mAudioSource = AUDIO_SOURCE_MIC;
98    } else {
99        mAudioSource = as;
100    }
101
102    return OK;
103}
104
105status_t StagefrightRecorder::setVideoSource(video_source vs) {
106    LOGV("setVideoSource: %d", vs);
107    if (vs < VIDEO_SOURCE_DEFAULT ||
108        vs >= VIDEO_SOURCE_LIST_END) {
109        LOGE("Invalid video source: %d", vs);
110        return BAD_VALUE;
111    }
112
113    if (vs == VIDEO_SOURCE_DEFAULT) {
114        mVideoSource = VIDEO_SOURCE_CAMERA;
115    } else {
116        mVideoSource = vs;
117    }
118
119    return OK;
120}
121
122status_t StagefrightRecorder::setOutputFormat(output_format of) {
123    LOGV("setOutputFormat: %d", of);
124    if (of < OUTPUT_FORMAT_DEFAULT ||
125        of >= OUTPUT_FORMAT_LIST_END) {
126        LOGE("Invalid output format: %d", of);
127        return BAD_VALUE;
128    }
129
130    if (of == OUTPUT_FORMAT_DEFAULT) {
131        mOutputFormat = OUTPUT_FORMAT_THREE_GPP;
132    } else {
133        mOutputFormat = of;
134    }
135
136    return OK;
137}
138
139status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) {
140    LOGV("setAudioEncoder: %d", ae);
141    if (ae < AUDIO_ENCODER_DEFAULT ||
142        ae >= AUDIO_ENCODER_LIST_END) {
143        LOGE("Invalid audio encoder: %d", ae);
144        return BAD_VALUE;
145    }
146
147    if (ae == AUDIO_ENCODER_DEFAULT) {
148        mAudioEncoder = AUDIO_ENCODER_AMR_NB;
149    } else {
150        mAudioEncoder = ae;
151    }
152
153    return OK;
154}
155
156status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) {
157    LOGV("setVideoEncoder: %d", ve);
158    if (ve < VIDEO_ENCODER_DEFAULT ||
159        ve >= VIDEO_ENCODER_LIST_END) {
160        LOGE("Invalid video encoder: %d", ve);
161        return BAD_VALUE;
162    }
163
164    if (ve == VIDEO_ENCODER_DEFAULT) {
165        mVideoEncoder = VIDEO_ENCODER_H263;
166    } else {
167        mVideoEncoder = ve;
168    }
169
170    return OK;
171}
172
173status_t StagefrightRecorder::setVideoSize(int width, int height) {
174    LOGV("setVideoSize: %dx%d", width, height);
175    if (width <= 0 || height <= 0) {
176        LOGE("Invalid video size: %dx%d", width, height);
177        return BAD_VALUE;
178    }
179
180    // Additional check on the dimension will be performed later
181    mVideoWidth = width;
182    mVideoHeight = height;
183
184    return OK;
185}
186
187status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) {
188    LOGV("setVideoFrameRate: %d", frames_per_second);
189    if ((frames_per_second <= 0 && frames_per_second != -1) ||
190        frames_per_second > 120) {
191        LOGE("Invalid video frame rate: %d", frames_per_second);
192        return BAD_VALUE;
193    }
194
195    // Additional check on the frame rate will be performed later
196    mFrameRate = frames_per_second;
197
198    return OK;
199}
200
201status_t StagefrightRecorder::setCamera(const sp<ICamera> &camera) {
202    LOGV("setCamera");
203    if (camera == 0) {
204        LOGE("camera is NULL");
205        return BAD_VALUE;
206    }
207
208    mCamera = camera;
209    return OK;
210}
211
212status_t StagefrightRecorder::setPreviewSurface(const sp<Surface> &surface) {
213    LOGV("setPreviewSurface: %p", surface.get());
214    mPreviewSurface = surface;
215
216    return OK;
217}
218
219status_t StagefrightRecorder::setOutputFile(const char *path) {
220    LOGE("setOutputFile(const char*) must not be called");
221    // We don't actually support this at all, as the media_server process
222    // no longer has permissions to create files.
223
224    return -EPERM;
225}
226
227status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) {
228    LOGV("setOutputFile: %d, %lld, %lld", fd, offset, length);
229    // These don't make any sense, do they?
230    CHECK_EQ(offset, 0);
231    CHECK_EQ(length, 0);
232
233    if (fd < 0) {
234        LOGE("Invalid file descriptor: %d", fd);
235        return -EBADF;
236    }
237
238    if (mOutputFd >= 0) {
239        ::close(mOutputFd);
240    }
241    mOutputFd = dup(fd);
242
243    return OK;
244}
245
246status_t StagefrightRecorder::setOutputFileAuxiliary(int fd) {
247    LOGV("setOutputFileAuxiliary: %d", fd);
248
249    if (fd < 0) {
250        LOGE("Invalid file descriptor: %d", fd);
251        return -EBADF;
252    }
253
254    mCaptureAuxVideo = true;
255
256    if (mOutputFdAux >= 0) {
257        ::close(mOutputFdAux);
258    }
259    mOutputFdAux = dup(fd);
260
261    return OK;
262}
263
264// Attempt to parse an int64 literal optionally surrounded by whitespace,
265// returns true on success, false otherwise.
266static bool safe_strtoi64(const char *s, int64_t *val) {
267    char *end;
268
269    // It is lame, but according to man page, we have to set errno to 0
270    // before calling strtoll().
271    errno = 0;
272    *val = strtoll(s, &end, 10);
273
274    if (end == s || errno == ERANGE) {
275        return false;
276    }
277
278    // Skip trailing whitespace
279    while (isspace(*end)) {
280        ++end;
281    }
282
283    // For a successful return, the string must contain nothing but a valid
284    // int64 literal optionally surrounded by whitespace.
285
286    return *end == '\0';
287}
288
289// Return true if the value is in [0, 0x007FFFFFFF]
290static bool safe_strtoi32(const char *s, int32_t *val) {
291    int64_t temp;
292    if (safe_strtoi64(s, &temp)) {
293        if (temp >= 0 && temp <= 0x007FFFFFFF) {
294            *val = static_cast<int32_t>(temp);
295            return true;
296        }
297    }
298    return false;
299}
300
301// Trim both leading and trailing whitespace from the given string.
302static void TrimString(String8 *s) {
303    size_t num_bytes = s->bytes();
304    const char *data = s->string();
305
306    size_t leading_space = 0;
307    while (leading_space < num_bytes && isspace(data[leading_space])) {
308        ++leading_space;
309    }
310
311    size_t i = num_bytes;
312    while (i > leading_space && isspace(data[i - 1])) {
313        --i;
314    }
315
316    s->setTo(String8(&data[leading_space], i - leading_space));
317}
318
319status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) {
320    LOGV("setParamAudioSamplingRate: %d", sampleRate);
321    if (sampleRate <= 0) {
322        LOGE("Invalid audio sampling rate: %d", sampleRate);
323        return BAD_VALUE;
324    }
325
326    // Additional check on the sample rate will be performed later.
327    mSampleRate = sampleRate;
328    return OK;
329}
330
331status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) {
332    LOGV("setParamAudioNumberOfChannels: %d", channels);
333    if (channels <= 0 || channels >= 3) {
334        LOGE("Invalid number of audio channels: %d", channels);
335        return BAD_VALUE;
336    }
337
338    // Additional check on the number of channels will be performed later.
339    mAudioChannels = channels;
340    return OK;
341}
342
343status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) {
344    LOGV("setParamAudioEncodingBitRate: %d", bitRate);
345    if (bitRate <= 0) {
346        LOGE("Invalid audio encoding bit rate: %d", bitRate);
347        return BAD_VALUE;
348    }
349
350    // The target bit rate may not be exactly the same as the requested.
351    // It depends on many factors, such as rate control, and the bit rate
352    // range that a specific encoder supports. The mismatch between the
353    // the target and requested bit rate will NOT be treated as an error.
354    mAudioBitRate = bitRate;
355    return OK;
356}
357
358status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) {
359    LOGV("setParamVideoEncodingBitRate: %d", bitRate);
360    if (bitRate <= 0) {
361        LOGE("Invalid video encoding bit rate: %d", bitRate);
362        return BAD_VALUE;
363    }
364
365    // The target bit rate may not be exactly the same as the requested.
366    // It depends on many factors, such as rate control, and the bit rate
367    // range that a specific encoder supports. The mismatch between the
368    // the target and requested bit rate will NOT be treated as an error.
369    mVideoBitRate = bitRate;
370    return OK;
371}
372
373// Always rotate clockwise, and only support 0, 90, 180 and 270 for now.
374status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) {
375    LOGV("setParamVideoRotation: %d", degrees);
376    if (degrees < 0 || degrees % 90 != 0) {
377        LOGE("Unsupported video rotation angle: %d", degrees);
378        return BAD_VALUE;
379    }
380    mRotationDegrees = degrees % 360;
381    return OK;
382}
383
384status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) {
385    LOGV("setParamMaxFileDurationUs: %lld us", timeUs);
386
387    // This is meant for backward compatibility for MediaRecorder.java
388    if (timeUs <= 0) {
389        LOGW("Max file duration is not positive: %lld us. Disabling duration limit.", timeUs);
390        timeUs = 0; // Disable the duration limit for zero or negative values.
391    } else if (timeUs <= 100000LL) {  // XXX: 100 milli-seconds
392        LOGE("Max file duration is too short: %lld us", timeUs);
393        return BAD_VALUE;
394    }
395
396    if (timeUs <= 15 * 1000000LL) {
397        LOGW("Target duration (%lld us) too short to be respected", timeUs);
398    }
399    mMaxFileDurationUs = timeUs;
400    return OK;
401}
402
403status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
404    LOGV("setParamMaxFileSizeBytes: %lld bytes", bytes);
405
406    // This is meant for backward compatibility for MediaRecorder.java
407    if (bytes <= 0) {
408        LOGW("Max file size is not positive: %lld bytes. "
409             "Disabling file size limit.", bytes);
410        bytes = 0; // Disable the file size limit for zero or negative values.
411    } else if (bytes <= 1024) {  // XXX: 1 kB
412        LOGE("Max file size is too small: %lld bytes", bytes);
413        return BAD_VALUE;
414    }
415
416    if (bytes <= 100 * 1024) {
417        LOGW("Target file size (%lld bytes) is too small to be respected", bytes);
418    }
419
420    mMaxFileSizeBytes = bytes;
421    return OK;
422}
423
424status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) {
425    LOGV("setParamInterleaveDuration: %d", durationUs);
426    if (durationUs <= 500000) {           //  500 ms
427        // If interleave duration is too small, it is very inefficient to do
428        // interleaving since the metadata overhead will count for a significant
429        // portion of the saved contents
430        LOGE("Audio/video interleave duration is too small: %d us", durationUs);
431        return BAD_VALUE;
432    } else if (durationUs >= 10000000) {  // 10 seconds
433        // If interleaving duration is too large, it can cause the recording
434        // session to use too much memory since we have to save the output
435        // data before we write them out
436        LOGE("Audio/video interleave duration is too large: %d us", durationUs);
437        return BAD_VALUE;
438    }
439    mInterleaveDurationUs = durationUs;
440    return OK;
441}
442
443// If seconds <  0, only the first frame is I frame, and rest are all P frames
444// If seconds == 0, all frames are encoded as I frames. No P frames
445// If seconds >  0, it is the time spacing (seconds) between 2 neighboring I frames
446status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) {
447    LOGV("setParamVideoIFramesInterval: %d seconds", seconds);
448    mIFramesIntervalSec = seconds;
449    return OK;
450}
451
452status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) {
453    LOGV("setParam64BitFileOffset: %s",
454        use64Bit? "use 64 bit file offset": "use 32 bit file offset");
455    mUse64BitFileOffset = use64Bit;
456    return OK;
457}
458
459status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) {
460    LOGV("setParamVideoCameraId: %d", cameraId);
461    if (cameraId < 0) {
462        return BAD_VALUE;
463    }
464    mCameraId = cameraId;
465    return OK;
466}
467
468status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) {
469    LOGV("setParamTrackTimeStatus: %lld", timeDurationUs);
470    if (timeDurationUs < 20000) {  // Infeasible if shorter than 20 ms?
471        LOGE("Tracking time duration too short: %lld us", timeDurationUs);
472        return BAD_VALUE;
473    }
474    mTrackEveryTimeDurationUs = timeDurationUs;
475    return OK;
476}
477
478status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) {
479    LOGV("setParamVideoEncoderProfile: %d", profile);
480
481    // Additional check will be done later when we load the encoder.
482    // For now, we are accepting values defined in OpenMAX IL.
483    mVideoEncoderProfile = profile;
484    return OK;
485}
486
487status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) {
488    LOGV("setParamVideoEncoderLevel: %d", level);
489
490    // Additional check will be done later when we load the encoder.
491    // For now, we are accepting values defined in OpenMAX IL.
492    mVideoEncoderLevel = level;
493    return OK;
494}
495
496status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) {
497    LOGV("setParamMovieTimeScale: %d", timeScale);
498
499    // The range is set to be the same as the audio's time scale range
500    // since audio's time scale has a wider range.
501    if (timeScale < 600 || timeScale > 96000) {
502        LOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale);
503        return BAD_VALUE;
504    }
505    mMovieTimeScale = timeScale;
506    return OK;
507}
508
509status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) {
510    LOGV("setParamVideoTimeScale: %d", timeScale);
511
512    // 60000 is chosen to make sure that each video frame from a 60-fps
513    // video has 1000 ticks.
514    if (timeScale < 600 || timeScale > 60000) {
515        LOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale);
516        return BAD_VALUE;
517    }
518    mVideoTimeScale = timeScale;
519    return OK;
520}
521
522status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) {
523    LOGV("setParamAudioTimeScale: %d", timeScale);
524
525    // 96000 Hz is the highest sampling rate support in AAC.
526    if (timeScale < 600 || timeScale > 96000) {
527        LOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale);
528        return BAD_VALUE;
529    }
530    mAudioTimeScale = timeScale;
531    return OK;
532}
533
534status_t StagefrightRecorder::setParamTimeLapseEnable(int32_t timeLapseEnable) {
535    LOGV("setParamTimeLapseEnable: %d", timeLapseEnable);
536
537    if(timeLapseEnable == 0) {
538        mCaptureTimeLapse = false;
539    } else if (timeLapseEnable == 1) {
540        mCaptureTimeLapse = true;
541    } else {
542        return BAD_VALUE;
543    }
544    return OK;
545}
546
547status_t StagefrightRecorder::setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs) {
548    LOGV("setParamTimeBetweenTimeLapseFrameCapture: %lld us", timeUs);
549
550    // Not allowing time more than a day
551    if (timeUs <= 0 || timeUs > 86400*1E6) {
552        LOGE("Time between time lapse frame capture (%lld) is out of range [0, 1 Day]", timeUs);
553        return BAD_VALUE;
554    }
555
556    mTimeBetweenTimeLapseFrameCaptureUs = timeUs;
557    return OK;
558}
559
560status_t StagefrightRecorder::setParamAuxVideoWidth(int32_t width) {
561    LOGV("setParamAuxVideoWidth : %d", width);
562
563    if (width <= 0) {
564        LOGE("Width (%d) is not positive", width);
565        return BAD_VALUE;
566    }
567
568    mAuxVideoWidth = width;
569    return OK;
570}
571
572status_t StagefrightRecorder::setParamAuxVideoHeight(int32_t height) {
573    LOGV("setParamAuxVideoHeight : %d", height);
574
575    if (height <= 0) {
576        LOGE("Height (%d) is not positive", height);
577        return BAD_VALUE;
578    }
579
580    mAuxVideoHeight = height;
581    return OK;
582}
583
584status_t StagefrightRecorder::setParamAuxVideoEncodingBitRate(int32_t bitRate) {
585    LOGV("StagefrightRecorder::setParamAuxVideoEncodingBitRate: %d", bitRate);
586
587    if (bitRate <= 0) {
588        LOGE("Invalid video encoding bit rate: %d", bitRate);
589        return BAD_VALUE;
590    }
591
592    mAuxVideoBitRate = bitRate;
593    return OK;
594}
595
596status_t StagefrightRecorder::setParameter(
597        const String8 &key, const String8 &value) {
598    LOGV("setParameter: key (%s) => value (%s)", key.string(), value.string());
599    if (key == "max-duration") {
600        int64_t max_duration_ms;
601        if (safe_strtoi64(value.string(), &max_duration_ms)) {
602            return setParamMaxFileDurationUs(1000LL * max_duration_ms);
603        }
604    } else if (key == "max-filesize") {
605        int64_t max_filesize_bytes;
606        if (safe_strtoi64(value.string(), &max_filesize_bytes)) {
607            return setParamMaxFileSizeBytes(max_filesize_bytes);
608        }
609    } else if (key == "interleave-duration-us") {
610        int32_t durationUs;
611        if (safe_strtoi32(value.string(), &durationUs)) {
612            return setParamInterleaveDuration(durationUs);
613        }
614    } else if (key == "param-movie-time-scale") {
615        int32_t timeScale;
616        if (safe_strtoi32(value.string(), &timeScale)) {
617            return setParamMovieTimeScale(timeScale);
618        }
619    } else if (key == "param-use-64bit-offset") {
620        int32_t use64BitOffset;
621        if (safe_strtoi32(value.string(), &use64BitOffset)) {
622            return setParam64BitFileOffset(use64BitOffset != 0);
623        }
624    } else if (key == "param-track-time-status") {
625        int64_t timeDurationUs;
626        if (safe_strtoi64(value.string(), &timeDurationUs)) {
627            return setParamTrackTimeStatus(timeDurationUs);
628        }
629    } else if (key == "audio-param-sampling-rate") {
630        int32_t sampling_rate;
631        if (safe_strtoi32(value.string(), &sampling_rate)) {
632            return setParamAudioSamplingRate(sampling_rate);
633        }
634    } else if (key == "audio-param-number-of-channels") {
635        int32_t number_of_channels;
636        if (safe_strtoi32(value.string(), &number_of_channels)) {
637            return setParamAudioNumberOfChannels(number_of_channels);
638        }
639    } else if (key == "audio-param-encoding-bitrate") {
640        int32_t audio_bitrate;
641        if (safe_strtoi32(value.string(), &audio_bitrate)) {
642            return setParamAudioEncodingBitRate(audio_bitrate);
643        }
644    } else if (key == "audio-param-time-scale") {
645        int32_t timeScale;
646        if (safe_strtoi32(value.string(), &timeScale)) {
647            return setParamAudioTimeScale(timeScale);
648        }
649    } else if (key == "video-param-encoding-bitrate") {
650        int32_t video_bitrate;
651        if (safe_strtoi32(value.string(), &video_bitrate)) {
652            return setParamVideoEncodingBitRate(video_bitrate);
653        }
654    } else if (key == "video-param-rotation-angle-degrees") {
655        int32_t degrees;
656        if (safe_strtoi32(value.string(), &degrees)) {
657            return setParamVideoRotation(degrees);
658        }
659    } else if (key == "video-param-i-frames-interval") {
660        int32_t seconds;
661        if (safe_strtoi32(value.string(), &seconds)) {
662            return setParamVideoIFramesInterval(seconds);
663        }
664    } else if (key == "video-param-encoder-profile") {
665        int32_t profile;
666        if (safe_strtoi32(value.string(), &profile)) {
667            return setParamVideoEncoderProfile(profile);
668        }
669    } else if (key == "video-param-encoder-level") {
670        int32_t level;
671        if (safe_strtoi32(value.string(), &level)) {
672            return setParamVideoEncoderLevel(level);
673        }
674    } else if (key == "video-param-camera-id") {
675        int32_t cameraId;
676        if (safe_strtoi32(value.string(), &cameraId)) {
677            return setParamVideoCameraId(cameraId);
678        }
679    } else if (key == "video-param-time-scale") {
680        int32_t timeScale;
681        if (safe_strtoi32(value.string(), &timeScale)) {
682            return setParamVideoTimeScale(timeScale);
683        }
684    } else if (key == "time-lapse-enable") {
685        int32_t timeLapseEnable;
686        if (safe_strtoi32(value.string(), &timeLapseEnable)) {
687            return setParamTimeLapseEnable(timeLapseEnable);
688        }
689    } else if (key == "time-between-time-lapse-frame-capture") {
690        int64_t timeBetweenTimeLapseFrameCaptureMs;
691        if (safe_strtoi64(value.string(), &timeBetweenTimeLapseFrameCaptureMs)) {
692            return setParamTimeBetweenTimeLapseFrameCapture(
693                    1000LL * timeBetweenTimeLapseFrameCaptureMs);
694        }
695    } else if (key == "video-aux-param-width") {
696        int32_t auxWidth;
697        if (safe_strtoi32(value.string(), &auxWidth)) {
698            return setParamAuxVideoWidth(auxWidth);
699        }
700    } else if (key == "video-aux-param-height") {
701        int32_t auxHeight;
702        if (safe_strtoi32(value.string(), &auxHeight)) {
703            return setParamAuxVideoHeight(auxHeight);
704        }
705    } else if (key == "video-aux-param-encoding-bitrate") {
706        int32_t auxVideoBitRate;
707        if (safe_strtoi32(value.string(), &auxVideoBitRate)) {
708            return setParamAuxVideoEncodingBitRate(auxVideoBitRate);
709        }
710    } else {
711        LOGE("setParameter: failed to find key %s", key.string());
712    }
713    return BAD_VALUE;
714}
715
716status_t StagefrightRecorder::setParameters(const String8 &params) {
717    LOGV("setParameters: %s", params.string());
718    const char *cparams = params.string();
719    const char *key_start = cparams;
720    for (;;) {
721        const char *equal_pos = strchr(key_start, '=');
722        if (equal_pos == NULL) {
723            LOGE("Parameters %s miss a value", cparams);
724            return BAD_VALUE;
725        }
726        String8 key(key_start, equal_pos - key_start);
727        TrimString(&key);
728        if (key.length() == 0) {
729            LOGE("Parameters %s contains an empty key", cparams);
730            return BAD_VALUE;
731        }
732        const char *value_start = equal_pos + 1;
733        const char *semicolon_pos = strchr(value_start, ';');
734        String8 value;
735        if (semicolon_pos == NULL) {
736            value.setTo(value_start);
737        } else {
738            value.setTo(value_start, semicolon_pos - value_start);
739        }
740        if (setParameter(key, value) != OK) {
741            return BAD_VALUE;
742        }
743        if (semicolon_pos == NULL) {
744            break;  // Reaches the end
745        }
746        key_start = semicolon_pos + 1;
747    }
748    return OK;
749}
750
751status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) {
752    mListener = listener;
753
754    return OK;
755}
756
757status_t StagefrightRecorder::prepare() {
758    return OK;
759}
760
761status_t StagefrightRecorder::start() {
762    CHECK(mOutputFd >= 0);
763
764    if (mWriter != NULL) {
765        LOGE("File writer is not avaialble");
766        return UNKNOWN_ERROR;
767    }
768
769    status_t status = OK;
770
771    switch (mOutputFormat) {
772        case OUTPUT_FORMAT_DEFAULT:
773        case OUTPUT_FORMAT_THREE_GPP:
774        case OUTPUT_FORMAT_MPEG_4:
775            status = startMPEG4Recording();
776            break;
777
778        case OUTPUT_FORMAT_AMR_NB:
779        case OUTPUT_FORMAT_AMR_WB:
780            status = startAMRRecording();
781            break;
782
783        case OUTPUT_FORMAT_AAC_ADIF:
784        case OUTPUT_FORMAT_AAC_ADTS:
785            status = startAACRecording();
786            break;
787
788        case OUTPUT_FORMAT_RTP_AVP:
789            status = startRTPRecording();
790            break;
791
792        case OUTPUT_FORMAT_MPEG2TS:
793            status = startMPEG2TSRecording();
794            break;
795
796        default:
797            LOGE("Unsupported output file format: %d", mOutputFormat);
798            status = UNKNOWN_ERROR;
799            break;
800    }
801
802    if ((status == OK) && (!mStarted)) {
803        mStarted = true;
804
805        uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted;
806        if (mAudioSource != AUDIO_SOURCE_CNT) {
807            params |= IMediaPlayerService::kBatteryDataTrackAudio;
808        }
809        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
810            params |= IMediaPlayerService::kBatteryDataTrackVideo;
811        }
812
813        addBatteryData(params);
814    }
815
816    return status;
817}
818
819sp<MediaSource> StagefrightRecorder::createAudioSource() {
820    sp<AudioSource> audioSource =
821        new AudioSource(
822                mAudioSource,
823                mSampleRate,
824                mAudioChannels);
825
826    status_t err = audioSource->initCheck();
827
828    if (err != OK) {
829        LOGE("audio source is not initialized");
830        return NULL;
831    }
832
833    sp<MetaData> encMeta = new MetaData;
834    const char *mime;
835    switch (mAudioEncoder) {
836        case AUDIO_ENCODER_AMR_NB:
837        case AUDIO_ENCODER_DEFAULT:
838            mime = MEDIA_MIMETYPE_AUDIO_AMR_NB;
839            break;
840        case AUDIO_ENCODER_AMR_WB:
841            mime = MEDIA_MIMETYPE_AUDIO_AMR_WB;
842            break;
843        case AUDIO_ENCODER_AAC:
844            mime = MEDIA_MIMETYPE_AUDIO_AAC;
845            break;
846        default:
847            LOGE("Unknown audio encoder: %d", mAudioEncoder);
848            return NULL;
849    }
850    encMeta->setCString(kKeyMIMEType, mime);
851
852    int32_t maxInputSize;
853    CHECK(audioSource->getFormat()->findInt32(
854                kKeyMaxInputSize, &maxInputSize));
855
856    encMeta->setInt32(kKeyMaxInputSize, maxInputSize);
857    encMeta->setInt32(kKeyChannelCount, mAudioChannels);
858    encMeta->setInt32(kKeySampleRate, mSampleRate);
859    encMeta->setInt32(kKeyBitRate, mAudioBitRate);
860    if (mAudioTimeScale > 0) {
861        encMeta->setInt32(kKeyTimeScale, mAudioTimeScale);
862    }
863
864    OMXClient client;
865    CHECK_EQ(client.connect(), OK);
866
867    sp<MediaSource> audioEncoder =
868        OMXCodec::Create(client.interface(), encMeta,
869                         true /* createEncoder */, audioSource);
870    mAudioSourceNode = audioSource;
871
872    return audioEncoder;
873}
874
875status_t StagefrightRecorder::startAACRecording() {
876    // FIXME:
877    // Add support for OUTPUT_FORMAT_AAC_ADIF
878    CHECK(mOutputFormat == OUTPUT_FORMAT_AAC_ADTS);
879
880    CHECK(mAudioEncoder == AUDIO_ENCODER_AAC);
881    CHECK(mAudioSource != AUDIO_SOURCE_CNT);
882
883    mWriter = new AACWriter(mOutputFd);
884    status_t status = startRawAudioRecording();
885    if (status != OK) {
886        mWriter.clear();
887        mWriter = NULL;
888    }
889
890    return status;
891}
892
893status_t StagefrightRecorder::startAMRRecording() {
894    CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
895          mOutputFormat == OUTPUT_FORMAT_AMR_WB);
896
897    if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) {
898        if (mAudioEncoder != AUDIO_ENCODER_DEFAULT &&
899            mAudioEncoder != AUDIO_ENCODER_AMR_NB) {
900            LOGE("Invalid encoder %d used for AMRNB recording",
901                    mAudioEncoder);
902            return BAD_VALUE;
903        }
904    } else {  // mOutputFormat must be OUTPUT_FORMAT_AMR_WB
905        if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) {
906            LOGE("Invlaid encoder %d used for AMRWB recording",
907                    mAudioEncoder);
908            return BAD_VALUE;
909        }
910    }
911
912    mWriter = new AMRWriter(mOutputFd);
913    status_t status = startRawAudioRecording();
914    if (status != OK) {
915        mWriter.clear();
916        mWriter = NULL;
917    }
918    return status;
919}
920
921status_t StagefrightRecorder::startRawAudioRecording() {
922    if (mAudioSource >= AUDIO_SOURCE_CNT) {
923        LOGE("Invalid audio source: %d", mAudioSource);
924        return BAD_VALUE;
925    }
926
927    status_t status = BAD_VALUE;
928    if (OK != (status = checkAudioEncoderCapabilities())) {
929        return status;
930    }
931
932    sp<MediaSource> audioEncoder = createAudioSource();
933    if (audioEncoder == NULL) {
934        return UNKNOWN_ERROR;
935    }
936
937    CHECK(mWriter != 0);
938    mWriter->addSource(audioEncoder);
939
940    if (mMaxFileDurationUs != 0) {
941        mWriter->setMaxFileDuration(mMaxFileDurationUs);
942    }
943    if (mMaxFileSizeBytes != 0) {
944        mWriter->setMaxFileSize(mMaxFileSizeBytes);
945    }
946    mWriter->setListener(mListener);
947    mWriter->start();
948
949    return OK;
950}
951
952status_t StagefrightRecorder::startRTPRecording() {
953    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
954
955    if ((mAudioSource != AUDIO_SOURCE_CNT
956                && mVideoSource != VIDEO_SOURCE_LIST_END)
957            || (mAudioSource == AUDIO_SOURCE_CNT
958                && mVideoSource == VIDEO_SOURCE_LIST_END)) {
959        // Must have exactly one source.
960        return BAD_VALUE;
961    }
962
963    if (mOutputFd < 0) {
964        return BAD_VALUE;
965    }
966
967    sp<MediaSource> source;
968
969    if (mAudioSource != AUDIO_SOURCE_CNT) {
970        source = createAudioSource();
971    } else {
972
973        sp<CameraSource> cameraSource;
974        status_t err = setupCameraSource(&cameraSource);
975        if (err != OK) {
976            return err;
977        }
978
979        err = setupVideoEncoder(cameraSource, mVideoBitRate, &source);
980        if (err != OK) {
981            return err;
982        }
983    }
984
985    mWriter = new ARTPWriter(mOutputFd);
986    mWriter->addSource(source);
987    mWriter->setListener(mListener);
988
989    return mWriter->start();
990}
991
992status_t StagefrightRecorder::startMPEG2TSRecording() {
993    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
994
995    sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd);
996
997    if (mAudioSource != AUDIO_SOURCE_CNT) {
998        if (mAudioEncoder != AUDIO_ENCODER_AAC) {
999            return ERROR_UNSUPPORTED;
1000        }
1001
1002        status_t err = setupAudioEncoder(writer);
1003
1004        if (err != OK) {
1005            return err;
1006        }
1007    }
1008
1009    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1010            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1011        if (mVideoEncoder != VIDEO_ENCODER_H264) {
1012            return ERROR_UNSUPPORTED;
1013        }
1014
1015        sp<CameraSource> cameraSource;
1016        status_t err = setupCameraSource(&cameraSource);
1017        if (err != OK) {
1018            return err;
1019        }
1020
1021        sp<MediaSource> encoder;
1022        err = setupVideoEncoder(cameraSource, mVideoBitRate, &encoder);
1023
1024        if (err != OK) {
1025            return err;
1026        }
1027
1028        writer->addSource(encoder);
1029    }
1030
1031    if (mMaxFileDurationUs != 0) {
1032        writer->setMaxFileDuration(mMaxFileDurationUs);
1033    }
1034
1035    if (mMaxFileSizeBytes != 0) {
1036        writer->setMaxFileSize(mMaxFileSizeBytes);
1037    }
1038
1039    mWriter = writer;
1040
1041    return mWriter->start();
1042}
1043
1044void StagefrightRecorder::clipVideoFrameRate() {
1045    LOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
1046    int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1047                        "enc.vid.fps.min", mVideoEncoder);
1048    int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1049                        "enc.vid.fps.max", mVideoEncoder);
1050    if (mFrameRate < minFrameRate && mFrameRate != -1) {
1051        LOGW("Intended video encoding frame rate (%d fps) is too small"
1052             " and will be set to (%d fps)", mFrameRate, minFrameRate);
1053        mFrameRate = minFrameRate;
1054    } else if (mFrameRate > maxFrameRate) {
1055        LOGW("Intended video encoding frame rate (%d fps) is too large"
1056             " and will be set to (%d fps)", mFrameRate, maxFrameRate);
1057        mFrameRate = maxFrameRate;
1058    }
1059}
1060
1061void StagefrightRecorder::clipVideoBitRate() {
1062    LOGV("clipVideoBitRate: encoder %d", mVideoEncoder);
1063    int minBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1064                        "enc.vid.bps.min", mVideoEncoder);
1065    int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1066                        "enc.vid.bps.max", mVideoEncoder);
1067    if (mVideoBitRate < minBitRate) {
1068        LOGW("Intended video encoding bit rate (%d bps) is too small"
1069             " and will be set to (%d bps)", mVideoBitRate, minBitRate);
1070        mVideoBitRate = minBitRate;
1071    } else if (mVideoBitRate > maxBitRate) {
1072        LOGW("Intended video encoding bit rate (%d bps) is too large"
1073             " and will be set to (%d bps)", mVideoBitRate, maxBitRate);
1074        mVideoBitRate = maxBitRate;
1075    }
1076}
1077
1078void StagefrightRecorder::clipVideoFrameWidth() {
1079    LOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder);
1080    int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1081                        "enc.vid.width.min", mVideoEncoder);
1082    int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1083                        "enc.vid.width.max", mVideoEncoder);
1084    if (mVideoWidth < minFrameWidth) {
1085        LOGW("Intended video encoding frame width (%d) is too small"
1086             " and will be set to (%d)", mVideoWidth, minFrameWidth);
1087        mVideoWidth = minFrameWidth;
1088    } else if (mVideoWidth > maxFrameWidth) {
1089        LOGW("Intended video encoding frame width (%d) is too large"
1090             " and will be set to (%d)", mVideoWidth, maxFrameWidth);
1091        mVideoWidth = maxFrameWidth;
1092    }
1093}
1094
1095status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
1096    if (!mCaptureTimeLapse) {
1097        // Dont clip for time lapse capture as encoder will have enough
1098        // time to encode because of slow capture rate of time lapse.
1099        clipVideoBitRate();
1100        clipVideoFrameRate();
1101        clipVideoFrameWidth();
1102        clipVideoFrameHeight();
1103    }
1104    return OK;
1105}
1106
1107status_t StagefrightRecorder::checkAudioEncoderCapabilities() {
1108    clipAudioBitRate();
1109    clipAudioSampleRate();
1110    clipNumberOfAudioChannels();
1111    return OK;
1112}
1113
1114void StagefrightRecorder::clipAudioBitRate() {
1115    LOGV("clipAudioBitRate: encoder %d", mAudioEncoder);
1116
1117    int minAudioBitRate =
1118            mEncoderProfiles->getAudioEncoderParamByName(
1119                "enc.aud.bps.min", mAudioEncoder);
1120    if (mAudioBitRate < minAudioBitRate) {
1121        LOGW("Intended audio encoding bit rate (%d) is too small"
1122            " and will be set to (%d)", mAudioBitRate, minAudioBitRate);
1123        mAudioBitRate = minAudioBitRate;
1124    }
1125
1126    int maxAudioBitRate =
1127            mEncoderProfiles->getAudioEncoderParamByName(
1128                "enc.aud.bps.max", mAudioEncoder);
1129    if (mAudioBitRate > maxAudioBitRate) {
1130        LOGW("Intended audio encoding bit rate (%d) is too large"
1131            " and will be set to (%d)", mAudioBitRate, maxAudioBitRate);
1132        mAudioBitRate = maxAudioBitRate;
1133    }
1134}
1135
1136void StagefrightRecorder::clipAudioSampleRate() {
1137    LOGV("clipAudioSampleRate: encoder %d", mAudioEncoder);
1138
1139    int minSampleRate =
1140            mEncoderProfiles->getAudioEncoderParamByName(
1141                "enc.aud.hz.min", mAudioEncoder);
1142    if (mSampleRate < minSampleRate) {
1143        LOGW("Intended audio sample rate (%d) is too small"
1144            " and will be set to (%d)", mSampleRate, minSampleRate);
1145        mSampleRate = minSampleRate;
1146    }
1147
1148    int maxSampleRate =
1149            mEncoderProfiles->getAudioEncoderParamByName(
1150                "enc.aud.hz.max", mAudioEncoder);
1151    if (mSampleRate > maxSampleRate) {
1152        LOGW("Intended audio sample rate (%d) is too large"
1153            " and will be set to (%d)", mSampleRate, maxSampleRate);
1154        mSampleRate = maxSampleRate;
1155    }
1156}
1157
1158void StagefrightRecorder::clipNumberOfAudioChannels() {
1159    LOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder);
1160
1161    int minChannels =
1162            mEncoderProfiles->getAudioEncoderParamByName(
1163                "enc.aud.ch.min", mAudioEncoder);
1164    if (mAudioChannels < minChannels) {
1165        LOGW("Intended number of audio channels (%d) is too small"
1166            " and will be set to (%d)", mAudioChannels, minChannels);
1167        mAudioChannels = minChannels;
1168    }
1169
1170    int maxChannels =
1171            mEncoderProfiles->getAudioEncoderParamByName(
1172                "enc.aud.ch.max", mAudioEncoder);
1173    if (mAudioChannels > maxChannels) {
1174        LOGW("Intended number of audio channels (%d) is too large"
1175            " and will be set to (%d)", mAudioChannels, maxChannels);
1176        mAudioChannels = maxChannels;
1177    }
1178}
1179
1180void StagefrightRecorder::clipVideoFrameHeight() {
1181    LOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder);
1182    int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1183                        "enc.vid.height.min", mVideoEncoder);
1184    int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1185                        "enc.vid.height.max", mVideoEncoder);
1186    if (mVideoHeight < minFrameHeight) {
1187        LOGW("Intended video encoding frame height (%d) is too small"
1188             " and will be set to (%d)", mVideoHeight, minFrameHeight);
1189        mVideoHeight = minFrameHeight;
1190    } else if (mVideoHeight > maxFrameHeight) {
1191        LOGW("Intended video encoding frame height (%d) is too large"
1192             " and will be set to (%d)", mVideoHeight, maxFrameHeight);
1193        mVideoHeight = maxFrameHeight;
1194    }
1195}
1196
1197status_t StagefrightRecorder::setupCameraSource(
1198        sp<CameraSource> *cameraSource) {
1199    status_t err = OK;
1200    if ((err = checkVideoEncoderCapabilities()) != OK) {
1201        return err;
1202    }
1203    Size videoSize;
1204    videoSize.width = mVideoWidth;
1205    videoSize.height = mVideoHeight;
1206    if (mCaptureTimeLapse) {
1207        mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
1208                mCamera, mCameraId,
1209                videoSize, mFrameRate, mPreviewSurface,
1210                mTimeBetweenTimeLapseFrameCaptureUs);
1211        *cameraSource = mCameraSourceTimeLapse;
1212    } else {
1213        *cameraSource = CameraSource::CreateFromCamera(
1214                mCamera, mCameraId, videoSize, mFrameRate,
1215                mPreviewSurface, true /*storeMetaDataInVideoBuffers*/);
1216    }
1217    if (*cameraSource == NULL) {
1218        return UNKNOWN_ERROR;
1219    }
1220
1221    if ((*cameraSource)->initCheck() != OK) {
1222        (*cameraSource).clear();
1223        *cameraSource = NULL;
1224        return NO_INIT;
1225    }
1226
1227    // When frame rate is not set, the actual frame rate will be set to
1228    // the current frame rate being used.
1229    if (mFrameRate == -1) {
1230        int32_t frameRate = 0;
1231        CHECK ((*cameraSource)->getFormat()->findInt32(
1232                    kKeyFrameRate, &frameRate));
1233        LOGI("Frame rate is not explicitly set. Use the current frame "
1234             "rate (%d fps)", frameRate);
1235        mFrameRate = frameRate;
1236    }
1237
1238    CHECK(mFrameRate != -1);
1239
1240    mIsMetaDataStoredInVideoBuffers =
1241        (*cameraSource)->isMetaDataStoredInVideoBuffers();
1242
1243    return OK;
1244}
1245
1246status_t StagefrightRecorder::setupVideoEncoder(
1247        sp<MediaSource> cameraSource,
1248        int32_t videoBitRate,
1249        sp<MediaSource> *source) {
1250    source->clear();
1251
1252    sp<MetaData> enc_meta = new MetaData;
1253    enc_meta->setInt32(kKeyBitRate, videoBitRate);
1254    enc_meta->setInt32(kKeyFrameRate, mFrameRate);
1255
1256    switch (mVideoEncoder) {
1257        case VIDEO_ENCODER_H263:
1258            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
1259            break;
1260
1261        case VIDEO_ENCODER_MPEG_4_SP:
1262            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
1263            break;
1264
1265        case VIDEO_ENCODER_H264:
1266            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
1267            break;
1268
1269        default:
1270            CHECK(!"Should not be here, unsupported video encoding.");
1271            break;
1272    }
1273
1274    sp<MetaData> meta = cameraSource->getFormat();
1275
1276    int32_t width, height, stride, sliceHeight, colorFormat;
1277    CHECK(meta->findInt32(kKeyWidth, &width));
1278    CHECK(meta->findInt32(kKeyHeight, &height));
1279    CHECK(meta->findInt32(kKeyStride, &stride));
1280    CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
1281    CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
1282
1283    enc_meta->setInt32(kKeyWidth, width);
1284    enc_meta->setInt32(kKeyHeight, height);
1285    enc_meta->setInt32(kKeyIFramesInterval, mIFramesIntervalSec);
1286    enc_meta->setInt32(kKeyStride, stride);
1287    enc_meta->setInt32(kKeySliceHeight, sliceHeight);
1288    enc_meta->setInt32(kKeyColorFormat, colorFormat);
1289    if (mVideoTimeScale > 0) {
1290        enc_meta->setInt32(kKeyTimeScale, mVideoTimeScale);
1291    }
1292    if (mVideoEncoderProfile != -1) {
1293        enc_meta->setInt32(kKeyVideoProfile, mVideoEncoderProfile);
1294    }
1295    if (mVideoEncoderLevel != -1) {
1296        enc_meta->setInt32(kKeyVideoLevel, mVideoEncoderLevel);
1297    }
1298
1299    OMXClient client;
1300    CHECK_EQ(client.connect(), OK);
1301
1302    uint32_t encoder_flags = 0;
1303    if (mIsMetaDataStoredInVideoBuffers) {
1304        encoder_flags |= OMXCodec::kHardwareCodecsOnly;
1305        encoder_flags |= OMXCodec::kStoreMetaDataInVideoBuffers;
1306    }
1307
1308    // Do not wait for all the input buffers to become available.
1309    // This give timelapse video recording faster response in
1310    // receiving output from video encoder component.
1311    if (mCaptureTimeLapse) {
1312        encoder_flags |= OMXCodec::kOnlySubmitOneInputBufferAtOneTime;
1313    }
1314
1315    sp<MediaSource> encoder = OMXCodec::Create(
1316            client.interface(), enc_meta,
1317            true /* createEncoder */, cameraSource,
1318            NULL, encoder_flags);
1319    if (encoder == NULL) {
1320        LOGW("Failed to create the encoder");
1321        // When the encoder fails to be created, we need
1322        // release the camera source due to the camera's lock
1323        // and unlock mechanism.
1324        cameraSource->stop();
1325        return UNKNOWN_ERROR;
1326    }
1327
1328    *source = encoder;
1329
1330    return OK;
1331}
1332
1333status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) {
1334    status_t status = BAD_VALUE;
1335    if (OK != (status = checkAudioEncoderCapabilities())) {
1336        return status;
1337    }
1338
1339    switch(mAudioEncoder) {
1340        case AUDIO_ENCODER_AMR_NB:
1341        case AUDIO_ENCODER_AMR_WB:
1342        case AUDIO_ENCODER_AAC:
1343            break;
1344
1345        default:
1346            LOGE("Unsupported audio encoder: %d", mAudioEncoder);
1347            return UNKNOWN_ERROR;
1348    }
1349
1350    sp<MediaSource> audioEncoder = createAudioSource();
1351    if (audioEncoder == NULL) {
1352        return UNKNOWN_ERROR;
1353    }
1354
1355    writer->addSource(audioEncoder);
1356    return OK;
1357}
1358
1359status_t StagefrightRecorder::setupMPEG4Recording(
1360        bool useSplitCameraSource,
1361        int outputFd,
1362        int32_t videoWidth, int32_t videoHeight,
1363        int32_t videoBitRate,
1364        int32_t *totalBitRate,
1365        sp<MediaWriter> *mediaWriter) {
1366    mediaWriter->clear();
1367    *totalBitRate = 0;
1368    status_t err = OK;
1369    sp<MediaWriter> writer = new MPEG4Writer(outputFd);
1370
1371    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1372            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1373
1374        sp<MediaSource> cameraMediaSource;
1375        if (useSplitCameraSource) {
1376            LOGV("Using Split camera source");
1377            cameraMediaSource = mCameraSourceSplitter->createClient();
1378        } else {
1379            sp<CameraSource> cameraSource;
1380            err = setupCameraSource(&cameraSource);
1381            cameraMediaSource = cameraSource;
1382        }
1383        if ((videoWidth != mVideoWidth) || (videoHeight != mVideoHeight)) {
1384            // Use downsampling from the original source.
1385            cameraMediaSource =
1386                new VideoSourceDownSampler(cameraMediaSource, videoWidth, videoHeight);
1387        }
1388        if (err != OK) {
1389            return err;
1390        }
1391
1392        sp<MediaSource> encoder;
1393        err = setupVideoEncoder(cameraMediaSource, videoBitRate, &encoder);
1394        if (err != OK) {
1395            return err;
1396        }
1397
1398        writer->addSource(encoder);
1399        *totalBitRate += videoBitRate;
1400    }
1401
1402    // Audio source is added at the end if it exists.
1403    // This help make sure that the "recoding" sound is suppressed for
1404    // camcorder applications in the recorded files.
1405    if (!mCaptureTimeLapse && (mAudioSource != AUDIO_SOURCE_CNT)) {
1406        err = setupAudioEncoder(writer);
1407        if (err != OK) return err;
1408        *totalBitRate += mAudioBitRate;
1409    }
1410
1411    if (mInterleaveDurationUs > 0) {
1412        reinterpret_cast<MPEG4Writer *>(writer.get())->
1413            setInterleaveDuration(mInterleaveDurationUs);
1414    }
1415    if (mMaxFileDurationUs != 0) {
1416        writer->setMaxFileDuration(mMaxFileDurationUs);
1417    }
1418    if (mMaxFileSizeBytes != 0) {
1419        writer->setMaxFileSize(mMaxFileSizeBytes);
1420    }
1421
1422    writer->setListener(mListener);
1423    *mediaWriter = writer;
1424    return OK;
1425}
1426
1427void StagefrightRecorder::setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
1428        sp<MetaData> *meta) {
1429    (*meta)->setInt64(kKeyTime, startTimeUs);
1430    (*meta)->setInt32(kKeyFileType, mOutputFormat);
1431    (*meta)->setInt32(kKeyBitRate, totalBitRate);
1432    (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
1433    if (mMovieTimeScale > 0) {
1434        (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
1435    }
1436    if (mTrackEveryTimeDurationUs > 0) {
1437        (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs);
1438    }
1439    if (mRotationDegrees != 0) {
1440        (*meta)->setInt32(kKeyRotation, mRotationDegrees);
1441    }
1442}
1443
1444status_t StagefrightRecorder::startMPEG4Recording() {
1445    if (mCaptureAuxVideo) {
1446        if (!mCaptureTimeLapse) {
1447            LOGE("Auxiliary video can be captured only in time lapse mode");
1448            return UNKNOWN_ERROR;
1449        }
1450        LOGV("Creating MediaSourceSplitter");
1451        sp<CameraSource> cameraSource;
1452        status_t err = setupCameraSource(&cameraSource);
1453        if (err != OK) {
1454            return err;
1455        }
1456        mCameraSourceSplitter = new MediaSourceSplitter(cameraSource);
1457    } else {
1458        mCameraSourceSplitter = NULL;
1459    }
1460
1461    int32_t totalBitRate;
1462    status_t err = setupMPEG4Recording(mCaptureAuxVideo,
1463            mOutputFd, mVideoWidth, mVideoHeight,
1464            mVideoBitRate, &totalBitRate, &mWriter);
1465    if (err != OK) {
1466        return err;
1467    }
1468
1469    int64_t startTimeUs = systemTime() / 1000;
1470    sp<MetaData> meta = new MetaData;
1471    setupMPEG4MetaData(startTimeUs, totalBitRate, &meta);
1472
1473    err = mWriter->start(meta.get());
1474    if (err != OK) {
1475        return err;
1476    }
1477
1478    if (mCaptureAuxVideo) {
1479        CHECK(mOutputFdAux >= 0);
1480        if (mWriterAux != NULL) {
1481            LOGE("Auxiliary File writer is not avaialble");
1482            return UNKNOWN_ERROR;
1483        }
1484        if ((mAuxVideoWidth > mVideoWidth) || (mAuxVideoHeight > mVideoHeight) ||
1485                ((mAuxVideoWidth == mVideoWidth) && mAuxVideoHeight == mVideoHeight)) {
1486            LOGE("Auxiliary video size (%d x %d) same or larger than the main video size (%d x %d)",
1487                    mAuxVideoWidth, mAuxVideoHeight, mVideoWidth, mVideoHeight);
1488            return UNKNOWN_ERROR;
1489        }
1490
1491        int32_t totalBitrateAux;
1492        err = setupMPEG4Recording(mCaptureAuxVideo,
1493                mOutputFdAux, mAuxVideoWidth, mAuxVideoHeight,
1494                mAuxVideoBitRate, &totalBitrateAux, &mWriterAux);
1495        if (err != OK) {
1496            return err;
1497        }
1498
1499        sp<MetaData> metaAux = new MetaData;
1500        setupMPEG4MetaData(startTimeUs, totalBitrateAux, &metaAux);
1501
1502        return mWriterAux->start(metaAux.get());
1503    }
1504
1505    return OK;
1506}
1507
1508status_t StagefrightRecorder::pause() {
1509    LOGV("pause");
1510    if (mWriter == NULL) {
1511        return UNKNOWN_ERROR;
1512    }
1513    mWriter->pause();
1514
1515    if (mCaptureAuxVideo) {
1516        if (mWriterAux == NULL) {
1517            return UNKNOWN_ERROR;
1518        }
1519        mWriterAux->pause();
1520    }
1521
1522    if (mStarted) {
1523        mStarted = false;
1524
1525        uint32_t params = 0;
1526        if (mAudioSource != AUDIO_SOURCE_CNT) {
1527            params |= IMediaPlayerService::kBatteryDataTrackAudio;
1528        }
1529        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
1530            params |= IMediaPlayerService::kBatteryDataTrackVideo;
1531        }
1532
1533        addBatteryData(params);
1534    }
1535
1536
1537    return OK;
1538}
1539
1540status_t StagefrightRecorder::stop() {
1541    LOGV("stop");
1542    status_t err = OK;
1543
1544    if (mCaptureTimeLapse && mCameraSourceTimeLapse != NULL) {
1545        mCameraSourceTimeLapse->startQuickReadReturns();
1546        mCameraSourceTimeLapse = NULL;
1547    }
1548
1549    if (mCaptureAuxVideo) {
1550        if (mWriterAux != NULL) {
1551            mWriterAux->stop();
1552            mWriterAux.clear();
1553        }
1554    }
1555
1556    if (mWriter != NULL) {
1557        err = mWriter->stop();
1558        mWriter.clear();
1559    }
1560
1561    if (mOutputFd >= 0) {
1562        ::close(mOutputFd);
1563        mOutputFd = -1;
1564    }
1565
1566    if (mCaptureAuxVideo) {
1567        if (mOutputFdAux >= 0) {
1568            ::close(mOutputFdAux);
1569            mOutputFdAux = -1;
1570        }
1571    }
1572
1573    if (mStarted) {
1574        mStarted = false;
1575
1576        uint32_t params = 0;
1577        if (mAudioSource != AUDIO_SOURCE_CNT) {
1578            params |= IMediaPlayerService::kBatteryDataTrackAudio;
1579        }
1580        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
1581            params |= IMediaPlayerService::kBatteryDataTrackVideo;
1582        }
1583
1584        addBatteryData(params);
1585    }
1586
1587
1588    return err;
1589}
1590
1591status_t StagefrightRecorder::close() {
1592    LOGV("close");
1593    stop();
1594
1595    return OK;
1596}
1597
1598status_t StagefrightRecorder::reset() {
1599    LOGV("reset");
1600    stop();
1601
1602    // No audio or video source by default
1603    mAudioSource = AUDIO_SOURCE_CNT;
1604    mVideoSource = VIDEO_SOURCE_LIST_END;
1605
1606    // Default parameters
1607    mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
1608    mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
1609    mVideoEncoder  = VIDEO_ENCODER_H263;
1610    mVideoWidth    = 176;
1611    mVideoHeight   = 144;
1612    mAuxVideoWidth    = 176;
1613    mAuxVideoHeight   = 144;
1614    mFrameRate     = -1;
1615    mVideoBitRate  = 192000;
1616    mAuxVideoBitRate = 192000;
1617    mSampleRate    = 8000;
1618    mAudioChannels = 1;
1619    mAudioBitRate  = 12200;
1620    mInterleaveDurationUs = 0;
1621    mIFramesIntervalSec = 1;
1622    mAudioSourceNode = 0;
1623    mUse64BitFileOffset = false;
1624    mMovieTimeScale  = -1;
1625    mAudioTimeScale  = -1;
1626    mVideoTimeScale  = -1;
1627    mCameraId        = 0;
1628    mVideoEncoderProfile = -1;
1629    mVideoEncoderLevel   = -1;
1630    mMaxFileDurationUs = 0;
1631    mMaxFileSizeBytes = 0;
1632    mTrackEveryTimeDurationUs = 0;
1633    mCaptureTimeLapse = false;
1634    mTimeBetweenTimeLapseFrameCaptureUs = -1;
1635    mCaptureAuxVideo = false;
1636    mCameraSourceSplitter = NULL;
1637    mCameraSourceTimeLapse = NULL;
1638    mIsMetaDataStoredInVideoBuffers = false;
1639    mEncoderProfiles = MediaProfiles::getInstance();
1640    mRotationDegrees = 0;
1641
1642    mOutputFd = -1;
1643    mOutputFdAux = -1;
1644
1645    return OK;
1646}
1647
1648status_t StagefrightRecorder::getMaxAmplitude(int *max) {
1649    LOGV("getMaxAmplitude");
1650
1651    if (max == NULL) {
1652        LOGE("Null pointer argument");
1653        return BAD_VALUE;
1654    }
1655
1656    if (mAudioSourceNode != 0) {
1657        *max = mAudioSourceNode->getMaxAmplitude();
1658    } else {
1659        *max = 0;
1660    }
1661
1662    return OK;
1663}
1664
1665status_t StagefrightRecorder::dump(
1666        int fd, const Vector<String16>& args) const {
1667    LOGV("dump");
1668    const size_t SIZE = 256;
1669    char buffer[SIZE];
1670    String8 result;
1671    if (mWriter != 0) {
1672        mWriter->dump(fd, args);
1673    } else {
1674        snprintf(buffer, SIZE, "   No file writer\n");
1675        result.append(buffer);
1676    }
1677    snprintf(buffer, SIZE, "   Recorder: %p\n", this);
1678    snprintf(buffer, SIZE, "   Output file (fd %d):\n", mOutputFd);
1679    result.append(buffer);
1680    snprintf(buffer, SIZE, "   Output file Auxiliary (fd %d):\n", mOutputFdAux);
1681    result.append(buffer);
1682    snprintf(buffer, SIZE, "     File format: %d\n", mOutputFormat);
1683    result.append(buffer);
1684    snprintf(buffer, SIZE, "     Max file size (bytes): %lld\n", mMaxFileSizeBytes);
1685    result.append(buffer);
1686    snprintf(buffer, SIZE, "     Max file duration (us): %lld\n", mMaxFileDurationUs);
1687    result.append(buffer);
1688    snprintf(buffer, SIZE, "     File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32);
1689    result.append(buffer);
1690    snprintf(buffer, SIZE, "     Interleave duration (us): %d\n", mInterleaveDurationUs);
1691    result.append(buffer);
1692    snprintf(buffer, SIZE, "     Progress notification: %lld us\n", mTrackEveryTimeDurationUs);
1693    result.append(buffer);
1694    snprintf(buffer, SIZE, "   Audio\n");
1695    result.append(buffer);
1696    snprintf(buffer, SIZE, "     Source: %d\n", mAudioSource);
1697    result.append(buffer);
1698    snprintf(buffer, SIZE, "     Encoder: %d\n", mAudioEncoder);
1699    result.append(buffer);
1700    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mAudioBitRate);
1701    result.append(buffer);
1702    snprintf(buffer, SIZE, "     Sampling rate (hz): %d\n", mSampleRate);
1703    result.append(buffer);
1704    snprintf(buffer, SIZE, "     Number of channels: %d\n", mAudioChannels);
1705    result.append(buffer);
1706    snprintf(buffer, SIZE, "     Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude());
1707    result.append(buffer);
1708    snprintf(buffer, SIZE, "   Video\n");
1709    result.append(buffer);
1710    snprintf(buffer, SIZE, "     Source: %d\n", mVideoSource);
1711    result.append(buffer);
1712    snprintf(buffer, SIZE, "     Camera Id: %d\n", mCameraId);
1713    result.append(buffer);
1714    snprintf(buffer, SIZE, "     Encoder: %d\n", mVideoEncoder);
1715    result.append(buffer);
1716    snprintf(buffer, SIZE, "     Encoder profile: %d\n", mVideoEncoderProfile);
1717    result.append(buffer);
1718    snprintf(buffer, SIZE, "     Encoder level: %d\n", mVideoEncoderLevel);
1719    result.append(buffer);
1720    snprintf(buffer, SIZE, "     I frames interval (s): %d\n", mIFramesIntervalSec);
1721    result.append(buffer);
1722    snprintf(buffer, SIZE, "     Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight);
1723    result.append(buffer);
1724    snprintf(buffer, SIZE, "     Aux Frame size (pixels): %dx%d\n", mAuxVideoWidth, mAuxVideoHeight);
1725    result.append(buffer);
1726    snprintf(buffer, SIZE, "     Frame rate (fps): %d\n", mFrameRate);
1727    result.append(buffer);
1728    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mVideoBitRate);
1729    result.append(buffer);
1730    snprintf(buffer, SIZE, "     Aux Bit rate (bps): %d\n", mAuxVideoBitRate);
1731    result.append(buffer);
1732    ::write(fd, result.string(), result.size());
1733    return OK;
1734}
1735}  // namespace android
1736