StagefrightRecorder.cpp revision 62db7db731c47a00ee1493e94f3e1d953c6e297a 
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    if (timeUs <= 0) {
362        LOGW("Max file duration is not positive: %lld us. Disabling duration limit.", timeUs);
363        timeUs = 0; // Disable the duration limit for zero or negative values.
364    } else if (timeUs <= 100000LL) {  // XXX: 100 milli-seconds
365        LOGE("Max file duration is too short: %lld us", timeUs);
366        return BAD_VALUE;
367    }
368
369    mMaxFileDurationUs = timeUs;
370    return OK;
371}
372
373status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
374    LOGV("setParamMaxFileSizeBytes: %lld bytes", bytes);
375    if (bytes <= 1024) {  // XXX: 1 kB
376        LOGE("Max file size is too small: %lld bytes", bytes);
377        return BAD_VALUE;
378    }
379    mMaxFileSizeBytes = bytes;
380    return OK;
381}
382
383status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) {
384    LOGV("setParamInterleaveDuration: %d", durationUs);
385    if (durationUs <= 500000) {           //  500 ms
386        // If interleave duration is too small, it is very inefficient to do
387        // interleaving since the metadata overhead will count for a significant
388        // portion of the saved contents
389        LOGE("Audio/video interleave duration is too small: %d us", durationUs);
390        return BAD_VALUE;
391    } else if (durationUs >= 10000000) {  // 10 seconds
392        // If interleaving duration is too large, it can cause the recording
393        // session to use too much memory since we have to save the output
394        // data before we write them out
395        LOGE("Audio/video interleave duration is too large: %d us", durationUs);
396        return BAD_VALUE;
397    }
398    mInterleaveDurationUs = durationUs;
399    return OK;
400}
401
402// If seconds <  0, only the first frame is I frame, and rest are all P frames
403// If seconds == 0, all frames are encoded as I frames. No P frames
404// If seconds >  0, it is the time spacing (seconds) between 2 neighboring I frames
405status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) {
406    LOGV("setParamVideoIFramesInterval: %d seconds", seconds);
407    mIFramesIntervalSec = seconds;
408    return OK;
409}
410
411status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) {
412    LOGV("setParam64BitFileOffset: %s",
413        use64Bit? "use 64 bit file offset": "use 32 bit file offset");
414    mUse64BitFileOffset = use64Bit;
415    return OK;
416}
417
418status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) {
419    LOGV("setParamVideoCameraId: %d", cameraId);
420    if (cameraId < 0) {
421        return BAD_VALUE;
422    }
423    mCameraId = cameraId;
424    return OK;
425}
426
427status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) {
428    LOGV("setParamTrackTimeStatus: %lld", timeDurationUs);
429    if (timeDurationUs < 20000) {  // Infeasible if shorter than 20 ms?
430        LOGE("Tracking time duration too short: %lld us", timeDurationUs);
431        return BAD_VALUE;
432    }
433    mTrackEveryTimeDurationUs = timeDurationUs;
434    return OK;
435}
436
437status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) {
438    LOGV("setParamVideoEncoderProfile: %d", profile);
439
440    // Additional check will be done later when we load the encoder.
441    // For now, we are accepting values defined in OpenMAX IL.
442    mVideoEncoderProfile = profile;
443    return OK;
444}
445
446status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) {
447    LOGV("setParamVideoEncoderLevel: %d", level);
448
449    // Additional check will be done later when we load the encoder.
450    // For now, we are accepting values defined in OpenMAX IL.
451    mVideoEncoderLevel = level;
452    return OK;
453}
454
455status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) {
456    LOGV("setParamMovieTimeScale: %d", timeScale);
457
458    // The range is set to be the same as the audio's time scale range
459    // since audio's time scale has a wider range.
460    if (timeScale < 600 || timeScale > 96000) {
461        LOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale);
462        return BAD_VALUE;
463    }
464    mMovieTimeScale = timeScale;
465    return OK;
466}
467
468status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) {
469    LOGV("setParamVideoTimeScale: %d", timeScale);
470
471    // 60000 is chosen to make sure that each video frame from a 60-fps
472    // video has 1000 ticks.
473    if (timeScale < 600 || timeScale > 60000) {
474        LOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale);
475        return BAD_VALUE;
476    }
477    mVideoTimeScale = timeScale;
478    return OK;
479}
480
481status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) {
482    LOGV("setParamAudioTimeScale: %d", timeScale);
483
484    // 96000 Hz is the highest sampling rate support in AAC.
485    if (timeScale < 600 || timeScale > 96000) {
486        LOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale);
487        return BAD_VALUE;
488    }
489    mAudioTimeScale = timeScale;
490    return OK;
491}
492
493status_t StagefrightRecorder::setParamTimeLapseEnable(int32_t timeLapseEnable) {
494    LOGV("setParamTimeLapseEnable: %d", timeLapseEnable);
495
496    if(timeLapseEnable == 0) {
497        mCaptureTimeLapse = false;
498    } else if (timeLapseEnable == 1) {
499        mCaptureTimeLapse = true;
500    } else {
501        return BAD_VALUE;
502    }
503    return OK;
504}
505
506status_t StagefrightRecorder::setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs) {
507    LOGV("setParamTimeBetweenTimeLapseFrameCapture: %lld us", timeUs);
508
509    // Not allowing time more than a day
510    if (timeUs <= 0 || timeUs > 86400*1E6) {
511        LOGE("Time between time lapse frame capture (%lld) is out of range [0, 1 Day]", timeUs);
512        return BAD_VALUE;
513    }
514
515    mTimeBetweenTimeLapseFrameCaptureUs = timeUs;
516    return OK;
517}
518
519status_t StagefrightRecorder::setParamAuxVideoWidth(int32_t width) {
520    LOGV("setParamAuxVideoWidth : %d", width);
521
522    if (width <= 0) {
523        LOGE("Width (%d) is not positive", width);
524        return BAD_VALUE;
525    }
526
527    mAuxVideoWidth = width;
528    return OK;
529}
530
531status_t StagefrightRecorder::setParamAuxVideoHeight(int32_t height) {
532    LOGV("setParamAuxVideoHeight : %d", height);
533
534    if (height <= 0) {
535        LOGE("Height (%d) is not positive", height);
536        return BAD_VALUE;
537    }
538
539    mAuxVideoHeight = height;
540    return OK;
541}
542
543status_t StagefrightRecorder::setParamAuxVideoEncodingBitRate(int32_t bitRate) {
544    LOGV("StagefrightRecorder::setParamAuxVideoEncodingBitRate: %d", bitRate);
545
546    if (bitRate <= 0) {
547        LOGE("Invalid video encoding bit rate: %d", bitRate);
548        return BAD_VALUE;
549    }
550
551    mAuxVideoBitRate = bitRate;
552    return OK;
553}
554
555status_t StagefrightRecorder::setParameter(
556        const String8 &key, const String8 &value) {
557    LOGV("setParameter: key (%s) => value (%s)", key.string(), value.string());
558    if (key == "max-duration") {
559        int64_t max_duration_ms;
560        if (safe_strtoi64(value.string(), &max_duration_ms)) {
561            return setParamMaxFileDurationUs(1000LL * max_duration_ms);
562        }
563    } else if (key == "max-filesize") {
564        int64_t max_filesize_bytes;
565        if (safe_strtoi64(value.string(), &max_filesize_bytes)) {
566            return setParamMaxFileSizeBytes(max_filesize_bytes);
567        }
568    } else if (key == "interleave-duration-us") {
569        int32_t durationUs;
570        if (safe_strtoi32(value.string(), &durationUs)) {
571            return setParamInterleaveDuration(durationUs);
572        }
573    } else if (key == "param-movie-time-scale") {
574        int32_t timeScale;
575        if (safe_strtoi32(value.string(), &timeScale)) {
576            return setParamMovieTimeScale(timeScale);
577        }
578    } else if (key == "param-use-64bit-offset") {
579        int32_t use64BitOffset;
580        if (safe_strtoi32(value.string(), &use64BitOffset)) {
581            return setParam64BitFileOffset(use64BitOffset != 0);
582        }
583    } else if (key == "param-track-time-status") {
584        int64_t timeDurationUs;
585        if (safe_strtoi64(value.string(), &timeDurationUs)) {
586            return setParamTrackTimeStatus(timeDurationUs);
587        }
588    } else if (key == "audio-param-sampling-rate") {
589        int32_t sampling_rate;
590        if (safe_strtoi32(value.string(), &sampling_rate)) {
591            return setParamAudioSamplingRate(sampling_rate);
592        }
593    } else if (key == "audio-param-number-of-channels") {
594        int32_t number_of_channels;
595        if (safe_strtoi32(value.string(), &number_of_channels)) {
596            return setParamAudioNumberOfChannels(number_of_channels);
597        }
598    } else if (key == "audio-param-encoding-bitrate") {
599        int32_t audio_bitrate;
600        if (safe_strtoi32(value.string(), &audio_bitrate)) {
601            return setParamAudioEncodingBitRate(audio_bitrate);
602        }
603    } else if (key == "audio-param-time-scale") {
604        int32_t timeScale;
605        if (safe_strtoi32(value.string(), &timeScale)) {
606            return setParamAudioTimeScale(timeScale);
607        }
608    } else if (key == "video-param-encoding-bitrate") {
609        int32_t video_bitrate;
610        if (safe_strtoi32(value.string(), &video_bitrate)) {
611            return setParamVideoEncodingBitRate(video_bitrate);
612        }
613    } else if (key == "video-param-rotation-angle-degrees") {
614        int32_t degrees;
615        if (safe_strtoi32(value.string(), &degrees)) {
616            return setParamVideoRotation(degrees);
617        }
618    } else if (key == "video-param-i-frames-interval") {
619        int32_t seconds;
620        if (safe_strtoi32(value.string(), &seconds)) {
621            return setParamVideoIFramesInterval(seconds);
622        }
623    } else if (key == "video-param-encoder-profile") {
624        int32_t profile;
625        if (safe_strtoi32(value.string(), &profile)) {
626            return setParamVideoEncoderProfile(profile);
627        }
628    } else if (key == "video-param-encoder-level") {
629        int32_t level;
630        if (safe_strtoi32(value.string(), &level)) {
631            return setParamVideoEncoderLevel(level);
632        }
633    } else if (key == "video-param-camera-id") {
634        int32_t cameraId;
635        if (safe_strtoi32(value.string(), &cameraId)) {
636            return setParamVideoCameraId(cameraId);
637        }
638    } else if (key == "video-param-time-scale") {
639        int32_t timeScale;
640        if (safe_strtoi32(value.string(), &timeScale)) {
641            return setParamVideoTimeScale(timeScale);
642        }
643    } else if (key == "time-lapse-enable") {
644        int32_t timeLapseEnable;
645        if (safe_strtoi32(value.string(), &timeLapseEnable)) {
646            return setParamTimeLapseEnable(timeLapseEnable);
647        }
648    } else if (key == "time-between-time-lapse-frame-capture") {
649        int64_t timeBetweenTimeLapseFrameCaptureMs;
650        if (safe_strtoi64(value.string(), &timeBetweenTimeLapseFrameCaptureMs)) {
651            return setParamTimeBetweenTimeLapseFrameCapture(
652                    1000LL * timeBetweenTimeLapseFrameCaptureMs);
653        }
654    } else if (key == "video-aux-param-width") {
655        int32_t auxWidth;
656        if (safe_strtoi32(value.string(), &auxWidth)) {
657            return setParamAuxVideoWidth(auxWidth);
658        }
659    } else if (key == "video-aux-param-height") {
660        int32_t auxHeight;
661        if (safe_strtoi32(value.string(), &auxHeight)) {
662            return setParamAuxVideoHeight(auxHeight);
663        }
664    } else if (key == "video-aux-param-encoding-bitrate") {
665        int32_t auxVideoBitRate;
666        if (safe_strtoi32(value.string(), &auxVideoBitRate)) {
667            return setParamAuxVideoEncodingBitRate(auxVideoBitRate);
668        }
669    } else {
670        LOGE("setParameter: failed to find key %s", key.string());
671    }
672    return BAD_VALUE;
673}
674
675status_t StagefrightRecorder::setParameters(const String8 &params) {
676    LOGV("setParameters: %s", params.string());
677    const char *cparams = params.string();
678    const char *key_start = cparams;
679    for (;;) {
680        const char *equal_pos = strchr(key_start, '=');
681        if (equal_pos == NULL) {
682            LOGE("Parameters %s miss a value", cparams);
683            return BAD_VALUE;
684        }
685        String8 key(key_start, equal_pos - key_start);
686        TrimString(&key);
687        if (key.length() == 0) {
688            LOGE("Parameters %s contains an empty key", cparams);
689            return BAD_VALUE;
690        }
691        const char *value_start = equal_pos + 1;
692        const char *semicolon_pos = strchr(value_start, ';');
693        String8 value;
694        if (semicolon_pos == NULL) {
695            value.setTo(value_start);
696        } else {
697            value.setTo(value_start, semicolon_pos - value_start);
698        }
699        if (setParameter(key, value) != OK) {
700            return BAD_VALUE;
701        }
702        if (semicolon_pos == NULL) {
703            break;  // Reaches the end
704        }
705        key_start = semicolon_pos + 1;
706    }
707    return OK;
708}
709
710status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) {
711    mListener = listener;
712
713    return OK;
714}
715
716status_t StagefrightRecorder::prepare() {
717    return OK;
718}
719
720status_t StagefrightRecorder::start() {
721    CHECK(mOutputFd >= 0);
722
723    if (mWriter != NULL) {
724        LOGE("File writer is not avaialble");
725        return UNKNOWN_ERROR;
726    }
727
728    switch (mOutputFormat) {
729        case OUTPUT_FORMAT_DEFAULT:
730        case OUTPUT_FORMAT_THREE_GPP:
731        case OUTPUT_FORMAT_MPEG_4:
732            return startMPEG4Recording();
733
734        case OUTPUT_FORMAT_AMR_NB:
735        case OUTPUT_FORMAT_AMR_WB:
736            return startAMRRecording();
737
738        case OUTPUT_FORMAT_AAC_ADIF:
739        case OUTPUT_FORMAT_AAC_ADTS:
740            return startAACRecording();
741
742        case OUTPUT_FORMAT_RTP_AVP:
743            return startRTPRecording();
744
745        case OUTPUT_FORMAT_MPEG2TS:
746            return startMPEG2TSRecording();
747
748        default:
749            LOGE("Unsupported output file format: %d", mOutputFormat);
750            return UNKNOWN_ERROR;
751    }
752}
753
754sp<MediaSource> StagefrightRecorder::createAudioSource() {
755    sp<AudioSource> audioSource =
756        new AudioSource(
757                mAudioSource,
758                mSampleRate,
759                mAudioChannels);
760
761    status_t err = audioSource->initCheck();
762
763    if (err != OK) {
764        LOGE("audio source is not initialized");
765        return NULL;
766    }
767
768    sp<MetaData> encMeta = new MetaData;
769    const char *mime;
770    switch (mAudioEncoder) {
771        case AUDIO_ENCODER_AMR_NB:
772        case AUDIO_ENCODER_DEFAULT:
773            mime = MEDIA_MIMETYPE_AUDIO_AMR_NB;
774            break;
775        case AUDIO_ENCODER_AMR_WB:
776            mime = MEDIA_MIMETYPE_AUDIO_AMR_WB;
777            break;
778        case AUDIO_ENCODER_AAC:
779            mime = MEDIA_MIMETYPE_AUDIO_AAC;
780            break;
781        default:
782            LOGE("Unknown audio encoder: %d", mAudioEncoder);
783            return NULL;
784    }
785    encMeta->setCString(kKeyMIMEType, mime);
786
787    int32_t maxInputSize;
788    CHECK(audioSource->getFormat()->findInt32(
789                kKeyMaxInputSize, &maxInputSize));
790
791    encMeta->setInt32(kKeyMaxInputSize, maxInputSize);
792    encMeta->setInt32(kKeyChannelCount, mAudioChannels);
793    encMeta->setInt32(kKeySampleRate, mSampleRate);
794    encMeta->setInt32(kKeyBitRate, mAudioBitRate);
795    if (mAudioTimeScale > 0) {
796        encMeta->setInt32(kKeyTimeScale, mAudioTimeScale);
797    }
798
799    OMXClient client;
800    CHECK_EQ(client.connect(), OK);
801
802    sp<MediaSource> audioEncoder =
803        OMXCodec::Create(client.interface(), encMeta,
804                         true /* createEncoder */, audioSource);
805    mAudioSourceNode = audioSource;
806
807    return audioEncoder;
808}
809
810status_t StagefrightRecorder::startAACRecording() {
811    CHECK(mOutputFormat == OUTPUT_FORMAT_AAC_ADIF ||
812          mOutputFormat == OUTPUT_FORMAT_AAC_ADTS);
813
814    CHECK(mAudioEncoder == AUDIO_ENCODER_AAC);
815    CHECK(mAudioSource != AUDIO_SOURCE_LIST_END);
816
817    CHECK(0 == "AACWriter is not implemented yet");
818
819    return OK;
820}
821
822status_t StagefrightRecorder::startAMRRecording() {
823    CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
824          mOutputFormat == OUTPUT_FORMAT_AMR_WB);
825
826    if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) {
827        if (mAudioEncoder != AUDIO_ENCODER_DEFAULT &&
828            mAudioEncoder != AUDIO_ENCODER_AMR_NB) {
829            LOGE("Invalid encoder %d used for AMRNB recording",
830                    mAudioEncoder);
831            return BAD_VALUE;
832        }
833        if (mSampleRate != 8000) {
834            LOGE("Invalid sampling rate %d used for AMRNB recording",
835                    mSampleRate);
836            return BAD_VALUE;
837        }
838    } else {  // mOutputFormat must be OUTPUT_FORMAT_AMR_WB
839        if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) {
840            LOGE("Invlaid encoder %d used for AMRWB recording",
841                    mAudioEncoder);
842            return BAD_VALUE;
843        }
844        if (mSampleRate != 16000) {
845            LOGE("Invalid sample rate %d used for AMRWB recording",
846                    mSampleRate);
847            return BAD_VALUE;
848        }
849    }
850    if (mAudioChannels != 1) {
851        LOGE("Invalid number of audio channels %d used for amr recording",
852                mAudioChannels);
853        return BAD_VALUE;
854    }
855
856    if (mAudioSource >= AUDIO_SOURCE_LIST_END) {
857        LOGE("Invalid audio source: %d", mAudioSource);
858        return BAD_VALUE;
859    }
860
861    sp<MediaSource> audioEncoder = createAudioSource();
862
863    if (audioEncoder == NULL) {
864        return UNKNOWN_ERROR;
865    }
866
867    mWriter = new AMRWriter(dup(mOutputFd));
868    mWriter->addSource(audioEncoder);
869
870    if (mMaxFileDurationUs != 0) {
871        mWriter->setMaxFileDuration(mMaxFileDurationUs);
872    }
873    if (mMaxFileSizeBytes != 0) {
874        mWriter->setMaxFileSize(mMaxFileSizeBytes);
875    }
876    mWriter->setListener(mListener);
877    mWriter->start();
878
879    return OK;
880}
881
882status_t StagefrightRecorder::startRTPRecording() {
883    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
884
885    if ((mAudioSource != AUDIO_SOURCE_LIST_END
886                && mVideoSource != VIDEO_SOURCE_LIST_END)
887            || (mAudioSource == AUDIO_SOURCE_LIST_END
888                && mVideoSource == VIDEO_SOURCE_LIST_END)) {
889        // Must have exactly one source.
890        return BAD_VALUE;
891    }
892
893    if (mOutputFd < 0) {
894        return BAD_VALUE;
895    }
896
897    sp<MediaSource> source;
898
899    if (mAudioSource != AUDIO_SOURCE_LIST_END) {
900        source = createAudioSource();
901    } else {
902
903        sp<CameraSource> cameraSource;
904        status_t err = setupCameraSource(&cameraSource);
905        if (err != OK) {
906            return err;
907        }
908
909        err = setupVideoEncoder(cameraSource, mVideoBitRate, &source);
910        if (err != OK) {
911            return err;
912        }
913    }
914
915    mWriter = new ARTPWriter(dup(mOutputFd));
916    mWriter->addSource(source);
917    mWriter->setListener(mListener);
918
919    return mWriter->start();
920}
921
922status_t StagefrightRecorder::startMPEG2TSRecording() {
923    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
924
925    sp<MediaWriter> writer = new MPEG2TSWriter(dup(mOutputFd));
926
927    if (mAudioSource != AUDIO_SOURCE_LIST_END) {
928        if (mAudioEncoder != AUDIO_ENCODER_AAC) {
929            return ERROR_UNSUPPORTED;
930        }
931
932        status_t err = setupAudioEncoder(writer);
933
934        if (err != OK) {
935            return err;
936        }
937    }
938
939    if (mVideoSource == VIDEO_SOURCE_DEFAULT
940            || mVideoSource == VIDEO_SOURCE_CAMERA) {
941        if (mVideoEncoder != VIDEO_ENCODER_H264) {
942            return ERROR_UNSUPPORTED;
943        }
944
945        sp<CameraSource> cameraSource;
946        status_t err = setupCameraSource(&cameraSource);
947        if (err != OK) {
948            return err;
949        }
950
951        sp<MediaSource> encoder;
952        err = setupVideoEncoder(cameraSource, mVideoBitRate, &encoder);
953
954        if (err != OK) {
955            return err;
956        }
957
958        writer->addSource(encoder);
959    }
960
961    if (mMaxFileDurationUs != 0) {
962        writer->setMaxFileDuration(mMaxFileDurationUs);
963    }
964
965    if (mMaxFileSizeBytes != 0) {
966        writer->setMaxFileSize(mMaxFileSizeBytes);
967    }
968
969    mWriter = writer;
970
971    return mWriter->start();
972}
973
974void StagefrightRecorder::clipVideoFrameRate() {
975    LOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
976    int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
977                        "enc.vid.fps.min", mVideoEncoder);
978    int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
979                        "enc.vid.fps.max", mVideoEncoder);
980    if (mFrameRate < minFrameRate && mFrameRate != -1) {
981        LOGW("Intended video encoding frame rate (%d fps) is too small"
982             " and will be set to (%d fps)", mFrameRate, minFrameRate);
983        mFrameRate = minFrameRate;
984    } else if (mFrameRate > maxFrameRate) {
985        LOGW("Intended video encoding frame rate (%d fps) is too large"
986             " and will be set to (%d fps)", mFrameRate, maxFrameRate);
987        mFrameRate = maxFrameRate;
988    }
989}
990
991void StagefrightRecorder::clipVideoBitRate() {
992    LOGV("clipVideoBitRate: encoder %d", mVideoEncoder);
993    int minBitRate = mEncoderProfiles->getVideoEncoderParamByName(
994                        "enc.vid.bps.min", mVideoEncoder);
995    int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName(
996                        "enc.vid.bps.max", mVideoEncoder);
997    if (mVideoBitRate < minBitRate) {
998        LOGW("Intended video encoding bit rate (%d bps) is too small"
999             " and will be set to (%d bps)", mVideoBitRate, minBitRate);
1000        mVideoBitRate = minBitRate;
1001    } else if (mVideoBitRate > maxBitRate) {
1002        LOGW("Intended video encoding bit rate (%d bps) is too large"
1003             " and will be set to (%d bps)", mVideoBitRate, maxBitRate);
1004        mVideoBitRate = maxBitRate;
1005    }
1006}
1007
1008void StagefrightRecorder::clipVideoFrameWidth() {
1009    LOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder);
1010    int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1011                        "enc.vid.width.min", mVideoEncoder);
1012    int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1013                        "enc.vid.width.max", mVideoEncoder);
1014    if (mVideoWidth < minFrameWidth) {
1015        LOGW("Intended video encoding frame width (%d) is too small"
1016             " and will be set to (%d)", mVideoWidth, minFrameWidth);
1017        mVideoWidth = minFrameWidth;
1018    } else if (mVideoWidth > maxFrameWidth) {
1019        LOGW("Intended video encoding frame width (%d) is too large"
1020             " and will be set to (%d)", mVideoWidth, maxFrameWidth);
1021        mVideoWidth = maxFrameWidth;
1022    }
1023}
1024
1025status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
1026    if (!mCaptureTimeLapse) {
1027        // Dont clip for time lapse capture as encoder will have enough
1028        // time to encode because of slow capture rate of time lapse.
1029        clipVideoBitRate();
1030        clipVideoFrameRate();
1031        clipVideoFrameWidth();
1032        clipVideoFrameHeight();
1033    }
1034    return OK;
1035}
1036
1037void StagefrightRecorder::clipVideoFrameHeight() {
1038    LOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder);
1039    int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1040                        "enc.vid.height.min", mVideoEncoder);
1041    int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1042                        "enc.vid.height.max", mVideoEncoder);
1043    if (mVideoHeight < minFrameHeight) {
1044        LOGW("Intended video encoding frame height (%d) is too small"
1045             " and will be set to (%d)", mVideoHeight, minFrameHeight);
1046        mVideoHeight = minFrameHeight;
1047    } else if (mVideoHeight > maxFrameHeight) {
1048        LOGW("Intended video encoding frame height (%d) is too large"
1049             " and will be set to (%d)", mVideoHeight, maxFrameHeight);
1050        mVideoHeight = maxFrameHeight;
1051    }
1052}
1053
1054status_t StagefrightRecorder::setupCameraSource(
1055        sp<CameraSource> *cameraSource) {
1056    status_t err = OK;
1057    if ((err = checkVideoEncoderCapabilities()) != OK) {
1058        return err;
1059    }
1060    Size videoSize;
1061    videoSize.width = mVideoWidth;
1062    videoSize.height = mVideoHeight;
1063    if (mCaptureTimeLapse) {
1064        mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
1065                mCamera, mCameraId,
1066                videoSize, mFrameRate, mPreviewSurface,
1067                mTimeBetweenTimeLapseFrameCaptureUs);
1068        *cameraSource = mCameraSourceTimeLapse;
1069    } else {
1070        *cameraSource = CameraSource::CreateFromCamera(
1071                mCamera, mCameraId, videoSize, mFrameRate,
1072                mPreviewSurface, true /*storeMetaDataInVideoBuffers*/);
1073    }
1074    CHECK(*cameraSource != NULL);
1075
1076    // When frame rate is not set, the actual frame rate will be set to
1077    // the current frame rate being used.
1078    if (mFrameRate == -1) {
1079        int32_t frameRate = 0;
1080        CHECK ((*cameraSource)->getFormat()->findInt32(
1081                    kKeySampleRate, &frameRate));
1082        LOGI("Frame rate is not explicitly set. Use the current frame "
1083             "rate (%d fps)", frameRate);
1084        mFrameRate = frameRate;
1085    }
1086
1087    CHECK(mFrameRate != -1);
1088
1089    mIsMetaDataStoredInVideoBuffers =
1090        (*cameraSource)->isMetaDataStoredInVideoBuffers();
1091
1092    return OK;
1093}
1094
1095status_t StagefrightRecorder::setupVideoEncoder(
1096        sp<MediaSource> cameraSource,
1097        int32_t videoBitRate,
1098        sp<MediaSource> *source) {
1099    source->clear();
1100
1101    sp<MetaData> enc_meta = new MetaData;
1102    enc_meta->setInt32(kKeyBitRate, videoBitRate);
1103    enc_meta->setInt32(kKeySampleRate, mFrameRate);
1104
1105    switch (mVideoEncoder) {
1106        case VIDEO_ENCODER_H263:
1107            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
1108            break;
1109
1110        case VIDEO_ENCODER_MPEG_4_SP:
1111            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
1112            break;
1113
1114        case VIDEO_ENCODER_H264:
1115            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
1116            break;
1117
1118        default:
1119            CHECK(!"Should not be here, unsupported video encoding.");
1120            break;
1121    }
1122
1123    sp<MetaData> meta = cameraSource->getFormat();
1124
1125    int32_t width, height, stride, sliceHeight, colorFormat;
1126    CHECK(meta->findInt32(kKeyWidth, &width));
1127    CHECK(meta->findInt32(kKeyHeight, &height));
1128    CHECK(meta->findInt32(kKeyStride, &stride));
1129    CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
1130    CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
1131
1132    enc_meta->setInt32(kKeyWidth, width);
1133    enc_meta->setInt32(kKeyHeight, height);
1134    enc_meta->setInt32(kKeyIFramesInterval, mIFramesIntervalSec);
1135    enc_meta->setInt32(kKeyStride, stride);
1136    enc_meta->setInt32(kKeySliceHeight, sliceHeight);
1137    enc_meta->setInt32(kKeyColorFormat, colorFormat);
1138    if (mVideoTimeScale > 0) {
1139        enc_meta->setInt32(kKeyTimeScale, mVideoTimeScale);
1140    }
1141    if (mVideoEncoderProfile != -1) {
1142        enc_meta->setInt32(kKeyVideoProfile, mVideoEncoderProfile);
1143    }
1144    if (mVideoEncoderLevel != -1) {
1145        enc_meta->setInt32(kKeyVideoLevel, mVideoEncoderLevel);
1146    } else if (mCaptureTimeLapse) {
1147        // Check if we are using high resolution and/or high bitrate and
1148        // set appropriate level for the software AVCEncoder.
1149        if ((width * height >= 921600) // 720p
1150                || (videoBitRate >= 20000000)) {
1151            enc_meta->setInt32(kKeyVideoLevel, 50);
1152        }
1153    }
1154
1155    OMXClient client;
1156    CHECK_EQ(client.connect(), OK);
1157
1158    // Use software codec for time lapse
1159    uint32_t encoder_flags = (mCaptureTimeLapse) ? OMXCodec::kPreferSoftwareCodecs : 0;
1160    if (mIsMetaDataStoredInVideoBuffers) {
1161        encoder_flags |= OMXCodec::kStoreMetaDataInVideoBuffers;
1162    }
1163    sp<MediaSource> encoder = OMXCodec::Create(
1164            client.interface(), enc_meta,
1165            true /* createEncoder */, cameraSource,
1166            NULL, encoder_flags);
1167    if (encoder == NULL) {
1168        return UNKNOWN_ERROR;
1169    }
1170
1171    *source = encoder;
1172
1173    return OK;
1174}
1175
1176status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) {
1177    sp<MediaSource> audioEncoder;
1178    switch(mAudioEncoder) {
1179        case AUDIO_ENCODER_AMR_NB:
1180        case AUDIO_ENCODER_AMR_WB:
1181        case AUDIO_ENCODER_AAC:
1182            audioEncoder = createAudioSource();
1183            break;
1184        default:
1185            LOGE("Unsupported audio encoder: %d", mAudioEncoder);
1186            return UNKNOWN_ERROR;
1187    }
1188
1189    if (audioEncoder == NULL) {
1190        return UNKNOWN_ERROR;
1191    }
1192
1193    writer->addSource(audioEncoder);
1194    return OK;
1195}
1196
1197status_t StagefrightRecorder::setupMPEG4Recording(
1198        bool useSplitCameraSource,
1199        int outputFd,
1200        int32_t videoWidth, int32_t videoHeight,
1201        int32_t videoBitRate,
1202        int32_t *totalBitRate,
1203        sp<MediaWriter> *mediaWriter) {
1204    mediaWriter->clear();
1205    *totalBitRate = 0;
1206    status_t err = OK;
1207    sp<MediaWriter> writer = new MPEG4Writer(dup(outputFd));
1208
1209    // Add audio source first if it exists
1210    if (!mCaptureTimeLapse && (mAudioSource != AUDIO_SOURCE_LIST_END)) {
1211        err = setupAudioEncoder(writer);
1212        if (err != OK) return err;
1213        *totalBitRate += mAudioBitRate;
1214    }
1215    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1216            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1217
1218        sp<MediaSource> cameraMediaSource;
1219        if (useSplitCameraSource) {
1220            LOGV("Using Split camera source");
1221            cameraMediaSource = mCameraSourceSplitter->createClient();
1222        } else {
1223            sp<CameraSource> cameraSource;
1224            err = setupCameraSource(&cameraSource);
1225            cameraMediaSource = cameraSource;
1226        }
1227        if ((videoWidth != mVideoWidth) || (videoHeight != mVideoHeight)) {
1228            // Use downsampling from the original source.
1229            cameraMediaSource =
1230                new VideoSourceDownSampler(cameraMediaSource, videoWidth, videoHeight);
1231        }
1232        if (err != OK) {
1233            return err;
1234        }
1235
1236        sp<MediaSource> encoder;
1237        err = setupVideoEncoder(cameraMediaSource, videoBitRate, &encoder);
1238        if (err != OK) {
1239            return err;
1240        }
1241
1242        writer->addSource(encoder);
1243        *totalBitRate += videoBitRate;
1244    }
1245
1246    if (mInterleaveDurationUs > 0) {
1247        reinterpret_cast<MPEG4Writer *>(writer.get())->
1248            setInterleaveDuration(mInterleaveDurationUs);
1249    }
1250    if (mMaxFileDurationUs != 0) {
1251        writer->setMaxFileDuration(mMaxFileDurationUs);
1252    }
1253    if (mMaxFileSizeBytes != 0) {
1254        writer->setMaxFileSize(mMaxFileSizeBytes);
1255    }
1256
1257    writer->setListener(mListener);
1258    *mediaWriter = writer;
1259    return OK;
1260}
1261
1262void StagefrightRecorder::setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
1263        sp<MetaData> *meta) {
1264    (*meta)->setInt64(kKeyTime, startTimeUs);
1265    (*meta)->setInt32(kKeyFileType, mOutputFormat);
1266    (*meta)->setInt32(kKeyBitRate, totalBitRate);
1267    (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
1268    if (mMovieTimeScale > 0) {
1269        (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
1270    }
1271    if (mTrackEveryTimeDurationUs > 0) {
1272        (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs);
1273    }
1274    if (mRotationDegrees != 0) {
1275        (*meta)->setInt32(kKeyRotation, mRotationDegrees);
1276    }
1277}
1278
1279status_t StagefrightRecorder::startMPEG4Recording() {
1280    if (mCaptureAuxVideo) {
1281        if (!mCaptureTimeLapse) {
1282            LOGE("Auxiliary video can be captured only in time lapse mode");
1283            return UNKNOWN_ERROR;
1284        }
1285        LOGV("Creating MediaSourceSplitter");
1286        sp<CameraSource> cameraSource;
1287        status_t err = setupCameraSource(&cameraSource);
1288        if (err != OK) {
1289            return err;
1290        }
1291        mCameraSourceSplitter = new MediaSourceSplitter(cameraSource);
1292    } else {
1293        mCameraSourceSplitter = NULL;
1294    }
1295
1296    int32_t totalBitRate;
1297    status_t err = setupMPEG4Recording(mCaptureAuxVideo,
1298            mOutputFd, mVideoWidth, mVideoHeight,
1299            mVideoBitRate, &totalBitRate, &mWriter);
1300    if (err != OK) {
1301        return err;
1302    }
1303
1304    int64_t startTimeUs = systemTime() / 1000;
1305    sp<MetaData> meta = new MetaData;
1306    setupMPEG4MetaData(startTimeUs, totalBitRate, &meta);
1307
1308    err = mWriter->start(meta.get());
1309    if (err != OK) {
1310        return err;
1311    }
1312
1313    if (mCaptureAuxVideo) {
1314        CHECK(mOutputFdAux >= 0);
1315        if (mWriterAux != NULL) {
1316            LOGE("Auxiliary File writer is not avaialble");
1317            return UNKNOWN_ERROR;
1318        }
1319        if ((mAuxVideoWidth > mVideoWidth) || (mAuxVideoHeight > mVideoHeight) ||
1320                ((mAuxVideoWidth == mVideoWidth) && mAuxVideoHeight == mVideoHeight)) {
1321            LOGE("Auxiliary video size (%d x %d) same or larger than the main video size (%d x %d)",
1322                    mAuxVideoWidth, mAuxVideoHeight, mVideoWidth, mVideoHeight);
1323            return UNKNOWN_ERROR;
1324        }
1325
1326        int32_t totalBitrateAux;
1327        err = setupMPEG4Recording(mCaptureAuxVideo,
1328                mOutputFdAux, mAuxVideoWidth, mAuxVideoHeight,
1329                mAuxVideoBitRate, &totalBitrateAux, &mWriterAux);
1330        if (err != OK) {
1331            return err;
1332        }
1333
1334        sp<MetaData> metaAux = new MetaData;
1335        setupMPEG4MetaData(startTimeUs, totalBitrateAux, &metaAux);
1336
1337        return mWriterAux->start(metaAux.get());
1338    }
1339
1340    return OK;
1341}
1342
1343status_t StagefrightRecorder::pause() {
1344    LOGV("pause");
1345    if (mWriter == NULL) {
1346        return UNKNOWN_ERROR;
1347    }
1348    mWriter->pause();
1349
1350    if (mCaptureAuxVideo) {
1351        if (mWriterAux == NULL) {
1352            return UNKNOWN_ERROR;
1353        }
1354        mWriterAux->pause();
1355    }
1356
1357    return OK;
1358}
1359
1360status_t StagefrightRecorder::stop() {
1361    LOGV("stop");
1362    status_t err = OK;
1363
1364    if (mCaptureTimeLapse && mCameraSourceTimeLapse != NULL) {
1365        mCameraSourceTimeLapse->startQuickReadReturns();
1366        mCameraSourceTimeLapse = NULL;
1367    }
1368
1369    if (mCaptureAuxVideo) {
1370        if (mWriterAux != NULL) {
1371            mWriterAux->stop();
1372            mWriterAux.clear();
1373        }
1374    }
1375
1376    if (mWriter != NULL) {
1377        err = mWriter->stop();
1378        mWriter.clear();
1379    }
1380
1381    if (mOutputFd >= 0) {
1382        ::close(mOutputFd);
1383        mOutputFd = -1;
1384    }
1385
1386    if (mCaptureAuxVideo) {
1387        if (mOutputFdAux >= 0) {
1388            ::close(mOutputFdAux);
1389            mOutputFdAux = -1;
1390        }
1391    }
1392
1393    return err;
1394}
1395
1396status_t StagefrightRecorder::close() {
1397    LOGV("close");
1398    stop();
1399
1400    return OK;
1401}
1402
1403status_t StagefrightRecorder::reset() {
1404    LOGV("reset");
1405    stop();
1406
1407    // No audio or video source by default
1408    mAudioSource = AUDIO_SOURCE_LIST_END;
1409    mVideoSource = VIDEO_SOURCE_LIST_END;
1410
1411    // Default parameters
1412    mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
1413    mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
1414    mVideoEncoder  = VIDEO_ENCODER_H263;
1415    mVideoWidth    = 176;
1416    mVideoHeight   = 144;
1417    mAuxVideoWidth    = 176;
1418    mAuxVideoHeight   = 144;
1419    mFrameRate     = -1;
1420    mVideoBitRate  = 192000;
1421    mAuxVideoBitRate = 192000;
1422    mSampleRate    = 8000;
1423    mAudioChannels = 1;
1424    mAudioBitRate  = 12200;
1425    mInterleaveDurationUs = 0;
1426    mIFramesIntervalSec = 1;
1427    mAudioSourceNode = 0;
1428    mUse64BitFileOffset = false;
1429    mMovieTimeScale  = -1;
1430    mAudioTimeScale  = -1;
1431    mVideoTimeScale  = -1;
1432    mCameraId        = 0;
1433    mVideoEncoderProfile = -1;
1434    mVideoEncoderLevel   = -1;
1435    mMaxFileDurationUs = 0;
1436    mMaxFileSizeBytes = 0;
1437    mTrackEveryTimeDurationUs = 0;
1438    mCaptureTimeLapse = false;
1439    mTimeBetweenTimeLapseFrameCaptureUs = -1;
1440    mCaptureAuxVideo = false;
1441    mCameraSourceSplitter = NULL;
1442    mCameraSourceTimeLapse = NULL;
1443    mIsMetaDataStoredInVideoBuffers = false;
1444    mEncoderProfiles = MediaProfiles::getInstance();
1445    mRotationDegrees = 0;
1446
1447    mOutputFd = -1;
1448    mOutputFdAux = -1;
1449
1450    return OK;
1451}
1452
1453status_t StagefrightRecorder::getMaxAmplitude(int *max) {
1454    LOGV("getMaxAmplitude");
1455
1456    if (max == NULL) {
1457        LOGE("Null pointer argument");
1458        return BAD_VALUE;
1459    }
1460
1461    if (mAudioSourceNode != 0) {
1462        *max = mAudioSourceNode->getMaxAmplitude();
1463    } else {
1464        *max = 0;
1465    }
1466
1467    return OK;
1468}
1469
1470status_t StagefrightRecorder::dump(
1471        int fd, const Vector<String16>& args) const {
1472    LOGV("dump");
1473    const size_t SIZE = 256;
1474    char buffer[SIZE];
1475    String8 result;
1476    if (mWriter != 0) {
1477        mWriter->dump(fd, args);
1478    } else {
1479        snprintf(buffer, SIZE, "   No file writer\n");
1480        result.append(buffer);
1481    }
1482    snprintf(buffer, SIZE, "   Recorder: %p\n", this);
1483    snprintf(buffer, SIZE, "   Output file (fd %d):\n", mOutputFd);
1484    result.append(buffer);
1485    snprintf(buffer, SIZE, "   Output file Auxiliary (fd %d):\n", mOutputFdAux);
1486    result.append(buffer);
1487    snprintf(buffer, SIZE, "     File format: %d\n", mOutputFormat);
1488    result.append(buffer);
1489    snprintf(buffer, SIZE, "     Max file size (bytes): %lld\n", mMaxFileSizeBytes);
1490    result.append(buffer);
1491    snprintf(buffer, SIZE, "     Max file duration (us): %lld\n", mMaxFileDurationUs);
1492    result.append(buffer);
1493    snprintf(buffer, SIZE, "     File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32);
1494    result.append(buffer);
1495    snprintf(buffer, SIZE, "     Interleave duration (us): %d\n", mInterleaveDurationUs);
1496    result.append(buffer);
1497    snprintf(buffer, SIZE, "     Progress notification: %lld us\n", mTrackEveryTimeDurationUs);
1498    result.append(buffer);
1499    snprintf(buffer, SIZE, "   Audio\n");
1500    result.append(buffer);
1501    snprintf(buffer, SIZE, "     Source: %d\n", mAudioSource);
1502    result.append(buffer);
1503    snprintf(buffer, SIZE, "     Encoder: %d\n", mAudioEncoder);
1504    result.append(buffer);
1505    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mAudioBitRate);
1506    result.append(buffer);
1507    snprintf(buffer, SIZE, "     Sampling rate (hz): %d\n", mSampleRate);
1508    result.append(buffer);
1509    snprintf(buffer, SIZE, "     Number of channels: %d\n", mAudioChannels);
1510    result.append(buffer);
1511    snprintf(buffer, SIZE, "     Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude());
1512    result.append(buffer);
1513    snprintf(buffer, SIZE, "   Video\n");
1514    result.append(buffer);
1515    snprintf(buffer, SIZE, "     Source: %d\n", mVideoSource);
1516    result.append(buffer);
1517    snprintf(buffer, SIZE, "     Camera Id: %d\n", mCameraId);
1518    result.append(buffer);
1519    snprintf(buffer, SIZE, "     Encoder: %d\n", mVideoEncoder);
1520    result.append(buffer);
1521    snprintf(buffer, SIZE, "     Encoder profile: %d\n", mVideoEncoderProfile);
1522    result.append(buffer);
1523    snprintf(buffer, SIZE, "     Encoder level: %d\n", mVideoEncoderLevel);
1524    result.append(buffer);
1525    snprintf(buffer, SIZE, "     I frames interval (s): %d\n", mIFramesIntervalSec);
1526    result.append(buffer);
1527    snprintf(buffer, SIZE, "     Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight);
1528    result.append(buffer);
1529    snprintf(buffer, SIZE, "     Aux Frame size (pixels): %dx%d\n", mAuxVideoWidth, mAuxVideoHeight);
1530    result.append(buffer);
1531    snprintf(buffer, SIZE, "     Frame rate (fps): %d\n", mFrameRate);
1532    result.append(buffer);
1533    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mVideoBitRate);
1534    result.append(buffer);
1535    snprintf(buffer, SIZE, "     Aux Bit rate (bps): %d\n", mAuxVideoBitRate);
1536    result.append(buffer);
1537    ::write(fd, result.string(), result.size());
1538    return OK;
1539}
1540}  // namespace android
1541