StagefrightRecorder.cpp revision e6cab24fa5857eaf48c957988f153b47a52d1b45 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "StagefrightRecorder"
19#include <inttypes.h>
20#include <utils/Log.h>
21
22#include "WebmWriter.h"
23#include "StagefrightRecorder.h"
24
25#include <android/hardware/ICamera.h>
26
27#include <binder/IPCThreadState.h>
28#include <binder/IServiceManager.h>
29
30#include <media/IMediaPlayerService.h>
31#include <media/stagefright/foundation/ABuffer.h>
32#include <media/stagefright/foundation/ADebug.h>
33#include <media/stagefright/foundation/AMessage.h>
34#include <media/stagefright/foundation/ALooper.h>
35#include <media/stagefright/ACodec.h>
36#include <media/stagefright/AudioSource.h>
37#include <media/stagefright/AMRWriter.h>
38#include <media/stagefright/AACWriter.h>
39#include <media/stagefright/CameraSource.h>
40#include <media/stagefright/CameraSourceTimeLapse.h>
41#include <media/stagefright/MPEG2TSWriter.h>
42#include <media/stagefright/MPEG4Writer.h>
43#include <media/stagefright/MediaDefs.h>
44#include <media/stagefright/MetaData.h>
45#include <media/stagefright/MediaCodecSource.h>
46#include <media/MediaProfiles.h>
47#include <camera/CameraParameters.h>
48
49#include <utils/Errors.h>
50#include <sys/types.h>
51#include <ctype.h>
52#include <unistd.h>
53
54#include <system/audio.h>
55
56#include "ARTPWriter.h"
57
58namespace android {
59
60// To collect the encoder usage for the battery app
61static void addBatteryData(uint32_t params) {
62    sp<IBinder> binder =
63        defaultServiceManager()->getService(String16("media.player"));
64    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
65    CHECK(service.get() != NULL);
66
67    service->addBatteryData(params);
68}
69
70
71StagefrightRecorder::StagefrightRecorder(const String16 &opPackageName)
72    : MediaRecorderBase(opPackageName),
73      mWriter(NULL),
74      mOutputFd(-1),
75      mAudioSource(AUDIO_SOURCE_CNT),
76      mVideoSource(VIDEO_SOURCE_LIST_END),
77      mStarted(false) {
78
79    ALOGV("Constructor");
80    reset();
81}
82
83StagefrightRecorder::~StagefrightRecorder() {
84    ALOGV("Destructor");
85    stop();
86
87    if (mLooper != NULL) {
88        mLooper->stop();
89    }
90}
91
92status_t StagefrightRecorder::init() {
93    ALOGV("init");
94
95    mLooper = new ALooper;
96    mLooper->setName("recorder_looper");
97    mLooper->start();
98
99    return OK;
100}
101
102// The client side of mediaserver asks it to creat a SurfaceMediaSource
103// and return a interface reference. The client side will use that
104// while encoding GL Frames
105sp<IGraphicBufferProducer> StagefrightRecorder::querySurfaceMediaSource() const {
106    ALOGV("Get SurfaceMediaSource");
107    return mGraphicBufferProducer;
108}
109
110status_t StagefrightRecorder::setAudioSource(audio_source_t as) {
111    ALOGV("setAudioSource: %d", as);
112    if (as < AUDIO_SOURCE_DEFAULT ||
113        (as >= AUDIO_SOURCE_CNT && as != AUDIO_SOURCE_FM_TUNER)) {
114        ALOGE("Invalid audio source: %d", as);
115        return BAD_VALUE;
116    }
117
118    if (as == AUDIO_SOURCE_DEFAULT) {
119        mAudioSource = AUDIO_SOURCE_MIC;
120    } else {
121        mAudioSource = as;
122    }
123
124    return OK;
125}
126
127status_t StagefrightRecorder::setVideoSource(video_source vs) {
128    ALOGV("setVideoSource: %d", vs);
129    if (vs < VIDEO_SOURCE_DEFAULT ||
130        vs >= VIDEO_SOURCE_LIST_END) {
131        ALOGE("Invalid video source: %d", vs);
132        return BAD_VALUE;
133    }
134
135    if (vs == VIDEO_SOURCE_DEFAULT) {
136        mVideoSource = VIDEO_SOURCE_CAMERA;
137    } else {
138        mVideoSource = vs;
139    }
140
141    return OK;
142}
143
144status_t StagefrightRecorder::setOutputFormat(output_format of) {
145    ALOGV("setOutputFormat: %d", of);
146    if (of < OUTPUT_FORMAT_DEFAULT ||
147        of >= OUTPUT_FORMAT_LIST_END) {
148        ALOGE("Invalid output format: %d", of);
149        return BAD_VALUE;
150    }
151
152    if (of == OUTPUT_FORMAT_DEFAULT) {
153        mOutputFormat = OUTPUT_FORMAT_THREE_GPP;
154    } else {
155        mOutputFormat = of;
156    }
157
158    return OK;
159}
160
161status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) {
162    ALOGV("setAudioEncoder: %d", ae);
163    if (ae < AUDIO_ENCODER_DEFAULT ||
164        ae >= AUDIO_ENCODER_LIST_END) {
165        ALOGE("Invalid audio encoder: %d", ae);
166        return BAD_VALUE;
167    }
168
169    if (ae == AUDIO_ENCODER_DEFAULT) {
170        mAudioEncoder = AUDIO_ENCODER_AMR_NB;
171    } else {
172        mAudioEncoder = ae;
173    }
174
175    return OK;
176}
177
178status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) {
179    ALOGV("setVideoEncoder: %d", ve);
180    if (ve < VIDEO_ENCODER_DEFAULT ||
181        ve >= VIDEO_ENCODER_LIST_END) {
182        ALOGE("Invalid video encoder: %d", ve);
183        return BAD_VALUE;
184    }
185
186    mVideoEncoder = ve;
187
188    return OK;
189}
190
191status_t StagefrightRecorder::setVideoSize(int width, int height) {
192    ALOGV("setVideoSize: %dx%d", width, height);
193    if (width <= 0 || height <= 0) {
194        ALOGE("Invalid video size: %dx%d", width, height);
195        return BAD_VALUE;
196    }
197
198    // Additional check on the dimension will be performed later
199    mVideoWidth = width;
200    mVideoHeight = height;
201
202    return OK;
203}
204
205status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) {
206    ALOGV("setVideoFrameRate: %d", frames_per_second);
207    if ((frames_per_second <= 0 && frames_per_second != -1) ||
208        frames_per_second > kMaxHighSpeedFps) {
209        ALOGE("Invalid video frame rate: %d", frames_per_second);
210        return BAD_VALUE;
211    }
212
213    // Additional check on the frame rate will be performed later
214    mFrameRate = frames_per_second;
215
216    return OK;
217}
218
219status_t StagefrightRecorder::setCamera(const sp<hardware::ICamera> &camera,
220                                        const sp<ICameraRecordingProxy> &proxy) {
221    ALOGV("setCamera");
222    if (camera == 0) {
223        ALOGE("camera is NULL");
224        return BAD_VALUE;
225    }
226    if (proxy == 0) {
227        ALOGE("camera proxy is NULL");
228        return BAD_VALUE;
229    }
230
231    mCamera = camera;
232    mCameraProxy = proxy;
233    return OK;
234}
235
236status_t StagefrightRecorder::setPreviewSurface(const sp<IGraphicBufferProducer> &surface) {
237    ALOGV("setPreviewSurface: %p", surface.get());
238    mPreviewSurface = surface;
239
240    return OK;
241}
242
243status_t StagefrightRecorder::setInputSurface(
244        const sp<IGraphicBufferConsumer>& surface) {
245    mPersistentSurface = surface;
246
247    return OK;
248}
249
250status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) {
251    ALOGV("setOutputFile: %d, %lld, %lld", fd, (long long)offset, (long long)length);
252    // These don't make any sense, do they?
253    CHECK_EQ(offset, 0ll);
254    CHECK_EQ(length, 0ll);
255
256    if (fd < 0) {
257        ALOGE("Invalid file descriptor: %d", fd);
258        return -EBADF;
259    }
260
261    // start with a clean, empty file
262    ftruncate(fd, 0);
263
264    if (mOutputFd >= 0) {
265        ::close(mOutputFd);
266    }
267    mOutputFd = dup(fd);
268
269    return OK;
270}
271
272// Attempt to parse an float literal optionally surrounded by whitespace,
273// returns true on success, false otherwise.
274static bool safe_strtof(const char *s, float *val) {
275    char *end;
276
277    // It is lame, but according to man page, we have to set errno to 0
278    // before calling strtof().
279    errno = 0;
280    *val = strtof(s, &end);
281
282    if (end == s || errno == ERANGE) {
283        return false;
284    }
285
286    // Skip trailing whitespace
287    while (isspace(*end)) {
288        ++end;
289    }
290
291    // For a successful return, the string must contain nothing but a valid
292    // float literal optionally surrounded by whitespace.
293
294    return *end == '\0';
295}
296
297// Attempt to parse an int64 literal optionally surrounded by whitespace,
298// returns true on success, false otherwise.
299static bool safe_strtoi64(const char *s, int64_t *val) {
300    char *end;
301
302    // It is lame, but according to man page, we have to set errno to 0
303    // before calling strtoll().
304    errno = 0;
305    *val = strtoll(s, &end, 10);
306
307    if (end == s || errno == ERANGE) {
308        return false;
309    }
310
311    // Skip trailing whitespace
312    while (isspace(*end)) {
313        ++end;
314    }
315
316    // For a successful return, the string must contain nothing but a valid
317    // int64 literal optionally surrounded by whitespace.
318
319    return *end == '\0';
320}
321
322// Return true if the value is in [0, 0x007FFFFFFF]
323static bool safe_strtoi32(const char *s, int32_t *val) {
324    int64_t temp;
325    if (safe_strtoi64(s, &temp)) {
326        if (temp >= 0 && temp <= 0x007FFFFFFF) {
327            *val = static_cast<int32_t>(temp);
328            return true;
329        }
330    }
331    return false;
332}
333
334// Trim both leading and trailing whitespace from the given string.
335static void TrimString(String8 *s) {
336    size_t num_bytes = s->bytes();
337    const char *data = s->string();
338
339    size_t leading_space = 0;
340    while (leading_space < num_bytes && isspace(data[leading_space])) {
341        ++leading_space;
342    }
343
344    size_t i = num_bytes;
345    while (i > leading_space && isspace(data[i - 1])) {
346        --i;
347    }
348
349    s->setTo(String8(&data[leading_space], i - leading_space));
350}
351
352status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) {
353    ALOGV("setParamAudioSamplingRate: %d", sampleRate);
354    if (sampleRate <= 0) {
355        ALOGE("Invalid audio sampling rate: %d", sampleRate);
356        return BAD_VALUE;
357    }
358
359    // Additional check on the sample rate will be performed later.
360    mSampleRate = sampleRate;
361    return OK;
362}
363
364status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) {
365    ALOGV("setParamAudioNumberOfChannels: %d", channels);
366    if (channels <= 0 || channels >= 3) {
367        ALOGE("Invalid number of audio channels: %d", channels);
368        return BAD_VALUE;
369    }
370
371    // Additional check on the number of channels will be performed later.
372    mAudioChannels = channels;
373    return OK;
374}
375
376status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) {
377    ALOGV("setParamAudioEncodingBitRate: %d", bitRate);
378    if (bitRate <= 0) {
379        ALOGE("Invalid audio encoding bit rate: %d", bitRate);
380        return BAD_VALUE;
381    }
382
383    // The target bit rate may not be exactly the same as the requested.
384    // It depends on many factors, such as rate control, and the bit rate
385    // range that a specific encoder supports. The mismatch between the
386    // the target and requested bit rate will NOT be treated as an error.
387    mAudioBitRate = bitRate;
388    return OK;
389}
390
391status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) {
392    ALOGV("setParamVideoEncodingBitRate: %d", bitRate);
393    if (bitRate <= 0) {
394        ALOGE("Invalid video encoding bit rate: %d", bitRate);
395        return BAD_VALUE;
396    }
397
398    // The target bit rate may not be exactly the same as the requested.
399    // It depends on many factors, such as rate control, and the bit rate
400    // range that a specific encoder supports. The mismatch between the
401    // the target and requested bit rate will NOT be treated as an error.
402    mVideoBitRate = bitRate;
403    return OK;
404}
405
406// Always rotate clockwise, and only support 0, 90, 180 and 270 for now.
407status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) {
408    ALOGV("setParamVideoRotation: %d", degrees);
409    if (degrees < 0 || degrees % 90 != 0) {
410        ALOGE("Unsupported video rotation angle: %d", degrees);
411        return BAD_VALUE;
412    }
413    mRotationDegrees = degrees % 360;
414    return OK;
415}
416
417status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) {
418    ALOGV("setParamMaxFileDurationUs: %lld us", (long long)timeUs);
419
420    // This is meant for backward compatibility for MediaRecorder.java
421    if (timeUs <= 0) {
422        ALOGW("Max file duration is not positive: %lld us. Disabling duration limit.",
423                (long long)timeUs);
424        timeUs = 0; // Disable the duration limit for zero or negative values.
425    } else if (timeUs <= 100000LL) {  // XXX: 100 milli-seconds
426        ALOGE("Max file duration is too short: %lld us", (long long)timeUs);
427        return BAD_VALUE;
428    }
429
430    if (timeUs <= 15 * 1000000LL) {
431        ALOGW("Target duration (%lld us) too short to be respected", (long long)timeUs);
432    }
433    mMaxFileDurationUs = timeUs;
434    return OK;
435}
436
437status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) {
438    ALOGV("setParamMaxFileSizeBytes: %lld bytes", (long long)bytes);
439
440    // This is meant for backward compatibility for MediaRecorder.java
441    if (bytes <= 0) {
442        ALOGW("Max file size is not positive: %lld bytes. "
443             "Disabling file size limit.", (long long)bytes);
444        bytes = 0; // Disable the file size limit for zero or negative values.
445    } else if (bytes <= 1024) {  // XXX: 1 kB
446        ALOGE("Max file size is too small: %lld bytes", (long long)bytes);
447        return BAD_VALUE;
448    }
449
450    if (bytes <= 100 * 1024) {
451        ALOGW("Target file size (%lld bytes) is too small to be respected", (long long)bytes);
452    }
453
454    mMaxFileSizeBytes = bytes;
455    return OK;
456}
457
458status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) {
459    ALOGV("setParamInterleaveDuration: %d", durationUs);
460    if (durationUs <= 500000) {           //  500 ms
461        // If interleave duration is too small, it is very inefficient to do
462        // interleaving since the metadata overhead will count for a significant
463        // portion of the saved contents
464        ALOGE("Audio/video interleave duration is too small: %d us", durationUs);
465        return BAD_VALUE;
466    } else if (durationUs >= 10000000) {  // 10 seconds
467        // If interleaving duration is too large, it can cause the recording
468        // session to use too much memory since we have to save the output
469        // data before we write them out
470        ALOGE("Audio/video interleave duration is too large: %d us", durationUs);
471        return BAD_VALUE;
472    }
473    mInterleaveDurationUs = durationUs;
474    return OK;
475}
476
477// If seconds <  0, only the first frame is I frame, and rest are all P frames
478// If seconds == 0, all frames are encoded as I frames. No P frames
479// If seconds >  0, it is the time spacing (seconds) between 2 neighboring I frames
480status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) {
481    ALOGV("setParamVideoIFramesInterval: %d seconds", seconds);
482    mIFramesIntervalSec = seconds;
483    return OK;
484}
485
486status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) {
487    ALOGV("setParam64BitFileOffset: %s",
488        use64Bit? "use 64 bit file offset": "use 32 bit file offset");
489    mUse64BitFileOffset = use64Bit;
490    return OK;
491}
492
493status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) {
494    ALOGV("setParamVideoCameraId: %d", cameraId);
495    if (cameraId < 0) {
496        return BAD_VALUE;
497    }
498    mCameraId = cameraId;
499    return OK;
500}
501
502status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) {
503    ALOGV("setParamTrackTimeStatus: %lld", (long long)timeDurationUs);
504    if (timeDurationUs < 20000) {  // Infeasible if shorter than 20 ms?
505        ALOGE("Tracking time duration too short: %lld us", (long long)timeDurationUs);
506        return BAD_VALUE;
507    }
508    mTrackEveryTimeDurationUs = timeDurationUs;
509    return OK;
510}
511
512status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) {
513    ALOGV("setParamVideoEncoderProfile: %d", profile);
514
515    // Additional check will be done later when we load the encoder.
516    // For now, we are accepting values defined in OpenMAX IL.
517    mVideoEncoderProfile = profile;
518    return OK;
519}
520
521status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) {
522    ALOGV("setParamVideoEncoderLevel: %d", level);
523
524    // Additional check will be done later when we load the encoder.
525    // For now, we are accepting values defined in OpenMAX IL.
526    mVideoEncoderLevel = level;
527    return OK;
528}
529
530status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) {
531    ALOGV("setParamMovieTimeScale: %d", timeScale);
532
533    // The range is set to be the same as the audio's time scale range
534    // since audio's time scale has a wider range.
535    if (timeScale < 600 || timeScale > 96000) {
536        ALOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale);
537        return BAD_VALUE;
538    }
539    mMovieTimeScale = timeScale;
540    return OK;
541}
542
543status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) {
544    ALOGV("setParamVideoTimeScale: %d", timeScale);
545
546    // 60000 is chosen to make sure that each video frame from a 60-fps
547    // video has 1000 ticks.
548    if (timeScale < 600 || timeScale > 60000) {
549        ALOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale);
550        return BAD_VALUE;
551    }
552    mVideoTimeScale = timeScale;
553    return OK;
554}
555
556status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) {
557    ALOGV("setParamAudioTimeScale: %d", timeScale);
558
559    // 96000 Hz is the highest sampling rate support in AAC.
560    if (timeScale < 600 || timeScale > 96000) {
561        ALOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale);
562        return BAD_VALUE;
563    }
564    mAudioTimeScale = timeScale;
565    return OK;
566}
567
568status_t StagefrightRecorder::setParamCaptureFpsEnable(int32_t captureFpsEnable) {
569    ALOGV("setParamCaptureFpsEnable: %d", captureFpsEnable);
570
571    if(captureFpsEnable == 0) {
572        mCaptureFpsEnable = false;
573    } else if (captureFpsEnable == 1) {
574        mCaptureFpsEnable = true;
575    } else {
576        return BAD_VALUE;
577    }
578    return OK;
579}
580
581status_t StagefrightRecorder::setParamCaptureFps(float fps) {
582    ALOGV("setParamCaptureFps: %.2f", fps);
583
584    int64_t timeUs = (int64_t) (1000000.0 / fps + 0.5f);
585
586    // Not allowing time more than a day
587    if (timeUs <= 0 || timeUs > 86400*1E6) {
588        ALOGE("Time between frame capture (%lld) is out of range [0, 1 Day]", (long long)timeUs);
589        return BAD_VALUE;
590    }
591
592    mCaptureFps = fps;
593    mTimeBetweenCaptureUs = timeUs;
594    return OK;
595}
596
597status_t StagefrightRecorder::setParamGeoDataLongitude(
598    int64_t longitudex10000) {
599
600    if (longitudex10000 > 1800000 || longitudex10000 < -1800000) {
601        return BAD_VALUE;
602    }
603    mLongitudex10000 = longitudex10000;
604    return OK;
605}
606
607status_t StagefrightRecorder::setParamGeoDataLatitude(
608    int64_t latitudex10000) {
609
610    if (latitudex10000 > 900000 || latitudex10000 < -900000) {
611        return BAD_VALUE;
612    }
613    mLatitudex10000 = latitudex10000;
614    return OK;
615}
616
617status_t StagefrightRecorder::setParameter(
618        const String8 &key, const String8 &value) {
619    ALOGV("setParameter: key (%s) => value (%s)", key.string(), value.string());
620    if (key == "max-duration") {
621        int64_t max_duration_ms;
622        if (safe_strtoi64(value.string(), &max_duration_ms)) {
623            return setParamMaxFileDurationUs(1000LL * max_duration_ms);
624        }
625    } else if (key == "max-filesize") {
626        int64_t max_filesize_bytes;
627        if (safe_strtoi64(value.string(), &max_filesize_bytes)) {
628            return setParamMaxFileSizeBytes(max_filesize_bytes);
629        }
630    } else if (key == "interleave-duration-us") {
631        int32_t durationUs;
632        if (safe_strtoi32(value.string(), &durationUs)) {
633            return setParamInterleaveDuration(durationUs);
634        }
635    } else if (key == "param-movie-time-scale") {
636        int32_t timeScale;
637        if (safe_strtoi32(value.string(), &timeScale)) {
638            return setParamMovieTimeScale(timeScale);
639        }
640    } else if (key == "param-use-64bit-offset") {
641        int32_t use64BitOffset;
642        if (safe_strtoi32(value.string(), &use64BitOffset)) {
643            return setParam64BitFileOffset(use64BitOffset != 0);
644        }
645    } else if (key == "param-geotag-longitude") {
646        int64_t longitudex10000;
647        if (safe_strtoi64(value.string(), &longitudex10000)) {
648            return setParamGeoDataLongitude(longitudex10000);
649        }
650    } else if (key == "param-geotag-latitude") {
651        int64_t latitudex10000;
652        if (safe_strtoi64(value.string(), &latitudex10000)) {
653            return setParamGeoDataLatitude(latitudex10000);
654        }
655    } else if (key == "param-track-time-status") {
656        int64_t timeDurationUs;
657        if (safe_strtoi64(value.string(), &timeDurationUs)) {
658            return setParamTrackTimeStatus(timeDurationUs);
659        }
660    } else if (key == "audio-param-sampling-rate") {
661        int32_t sampling_rate;
662        if (safe_strtoi32(value.string(), &sampling_rate)) {
663            return setParamAudioSamplingRate(sampling_rate);
664        }
665    } else if (key == "audio-param-number-of-channels") {
666        int32_t number_of_channels;
667        if (safe_strtoi32(value.string(), &number_of_channels)) {
668            return setParamAudioNumberOfChannels(number_of_channels);
669        }
670    } else if (key == "audio-param-encoding-bitrate") {
671        int32_t audio_bitrate;
672        if (safe_strtoi32(value.string(), &audio_bitrate)) {
673            return setParamAudioEncodingBitRate(audio_bitrate);
674        }
675    } else if (key == "audio-param-time-scale") {
676        int32_t timeScale;
677        if (safe_strtoi32(value.string(), &timeScale)) {
678            return setParamAudioTimeScale(timeScale);
679        }
680    } else if (key == "video-param-encoding-bitrate") {
681        int32_t video_bitrate;
682        if (safe_strtoi32(value.string(), &video_bitrate)) {
683            return setParamVideoEncodingBitRate(video_bitrate);
684        }
685    } else if (key == "video-param-rotation-angle-degrees") {
686        int32_t degrees;
687        if (safe_strtoi32(value.string(), &degrees)) {
688            return setParamVideoRotation(degrees);
689        }
690    } else if (key == "video-param-i-frames-interval") {
691        int32_t seconds;
692        if (safe_strtoi32(value.string(), &seconds)) {
693            return setParamVideoIFramesInterval(seconds);
694        }
695    } else if (key == "video-param-encoder-profile") {
696        int32_t profile;
697        if (safe_strtoi32(value.string(), &profile)) {
698            return setParamVideoEncoderProfile(profile);
699        }
700    } else if (key == "video-param-encoder-level") {
701        int32_t level;
702        if (safe_strtoi32(value.string(), &level)) {
703            return setParamVideoEncoderLevel(level);
704        }
705    } else if (key == "video-param-camera-id") {
706        int32_t cameraId;
707        if (safe_strtoi32(value.string(), &cameraId)) {
708            return setParamVideoCameraId(cameraId);
709        }
710    } else if (key == "video-param-time-scale") {
711        int32_t timeScale;
712        if (safe_strtoi32(value.string(), &timeScale)) {
713            return setParamVideoTimeScale(timeScale);
714        }
715    } else if (key == "time-lapse-enable") {
716        int32_t captureFpsEnable;
717        if (safe_strtoi32(value.string(), &captureFpsEnable)) {
718            return setParamCaptureFpsEnable(captureFpsEnable);
719        }
720    } else if (key == "time-lapse-fps") {
721        float fps;
722        if (safe_strtof(value.string(), &fps)) {
723            return setParamCaptureFps(fps);
724        }
725    } else {
726        ALOGE("setParameter: failed to find key %s", key.string());
727    }
728    return BAD_VALUE;
729}
730
731status_t StagefrightRecorder::setParameters(const String8 &params) {
732    ALOGV("setParameters: %s", params.string());
733    const char *cparams = params.string();
734    const char *key_start = cparams;
735    for (;;) {
736        const char *equal_pos = strchr(key_start, '=');
737        if (equal_pos == NULL) {
738            ALOGE("Parameters %s miss a value", cparams);
739            return BAD_VALUE;
740        }
741        String8 key(key_start, equal_pos - key_start);
742        TrimString(&key);
743        if (key.length() == 0) {
744            ALOGE("Parameters %s contains an empty key", cparams);
745            return BAD_VALUE;
746        }
747        const char *value_start = equal_pos + 1;
748        const char *semicolon_pos = strchr(value_start, ';');
749        String8 value;
750        if (semicolon_pos == NULL) {
751            value.setTo(value_start);
752        } else {
753            value.setTo(value_start, semicolon_pos - value_start);
754        }
755        if (setParameter(key, value) != OK) {
756            return BAD_VALUE;
757        }
758        if (semicolon_pos == NULL) {
759            break;  // Reaches the end
760        }
761        key_start = semicolon_pos + 1;
762    }
763    return OK;
764}
765
766status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) {
767    mListener = listener;
768
769    return OK;
770}
771
772status_t StagefrightRecorder::setClientName(const String16& clientName) {
773    mClientName = clientName;
774
775    return OK;
776}
777
778status_t StagefrightRecorder::prepareInternal() {
779    ALOGV("prepare");
780    if (mOutputFd < 0) {
781        ALOGE("Output file descriptor is invalid");
782        return INVALID_OPERATION;
783    }
784
785    // Get UID and PID here for permission checking
786    mClientUid = IPCThreadState::self()->getCallingUid();
787    mClientPid = IPCThreadState::self()->getCallingPid();
788
789    status_t status = OK;
790
791    switch (mOutputFormat) {
792        case OUTPUT_FORMAT_DEFAULT:
793        case OUTPUT_FORMAT_THREE_GPP:
794        case OUTPUT_FORMAT_MPEG_4:
795        case OUTPUT_FORMAT_WEBM:
796            status = setupMPEG4orWEBMRecording();
797            break;
798
799        case OUTPUT_FORMAT_AMR_NB:
800        case OUTPUT_FORMAT_AMR_WB:
801            status = setupAMRRecording();
802            break;
803
804        case OUTPUT_FORMAT_AAC_ADIF:
805        case OUTPUT_FORMAT_AAC_ADTS:
806            status = setupAACRecording();
807            break;
808
809        case OUTPUT_FORMAT_RTP_AVP:
810            status = setupRTPRecording();
811            break;
812
813        case OUTPUT_FORMAT_MPEG2TS:
814            status = setupMPEG2TSRecording();
815            break;
816
817        default:
818            ALOGE("Unsupported output file format: %d", mOutputFormat);
819            status = UNKNOWN_ERROR;
820            break;
821    }
822
823    return status;
824}
825
826status_t StagefrightRecorder::prepare() {
827    if (mVideoSource == VIDEO_SOURCE_SURFACE) {
828        return prepareInternal();
829    }
830    return OK;
831}
832
833status_t StagefrightRecorder::start() {
834    ALOGV("start");
835    if (mOutputFd < 0) {
836        ALOGE("Output file descriptor is invalid");
837        return INVALID_OPERATION;
838    }
839
840    status_t status = OK;
841
842    if (mVideoSource != VIDEO_SOURCE_SURFACE) {
843        status = prepareInternal();
844        if (status != OK) {
845            return status;
846        }
847    }
848
849    if (mWriter == NULL) {
850        ALOGE("File writer is not avaialble");
851        return UNKNOWN_ERROR;
852    }
853
854    switch (mOutputFormat) {
855        case OUTPUT_FORMAT_DEFAULT:
856        case OUTPUT_FORMAT_THREE_GPP:
857        case OUTPUT_FORMAT_MPEG_4:
858        case OUTPUT_FORMAT_WEBM:
859        {
860            bool isMPEG4 = true;
861            if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
862                isMPEG4 = false;
863            }
864            sp<MetaData> meta = new MetaData;
865            setupMPEG4orWEBMMetaData(&meta);
866            status = mWriter->start(meta.get());
867            break;
868        }
869
870        case OUTPUT_FORMAT_AMR_NB:
871        case OUTPUT_FORMAT_AMR_WB:
872        case OUTPUT_FORMAT_AAC_ADIF:
873        case OUTPUT_FORMAT_AAC_ADTS:
874        case OUTPUT_FORMAT_RTP_AVP:
875        case OUTPUT_FORMAT_MPEG2TS:
876        {
877            status = mWriter->start();
878            break;
879        }
880
881        default:
882        {
883            ALOGE("Unsupported output file format: %d", mOutputFormat);
884            status = UNKNOWN_ERROR;
885            break;
886        }
887    }
888
889    if (status != OK) {
890        mWriter.clear();
891        mWriter = NULL;
892    }
893
894    if ((status == OK) && (!mStarted)) {
895        mStarted = true;
896
897        uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted;
898        if (mAudioSource != AUDIO_SOURCE_CNT) {
899            params |= IMediaPlayerService::kBatteryDataTrackAudio;
900        }
901        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
902            params |= IMediaPlayerService::kBatteryDataTrackVideo;
903        }
904
905        addBatteryData(params);
906    }
907
908    return status;
909}
910
911sp<MediaCodecSource> StagefrightRecorder::createAudioSource() {
912    int32_t sourceSampleRate = mSampleRate;
913
914    if (mCaptureFpsEnable && mCaptureFps >= mFrameRate) {
915        // Upscale the sample rate for slow motion recording.
916        // Fail audio source creation if source sample rate is too high, as it could
917        // cause out-of-memory due to large input buffer size. And audio recording
918        // probably doesn't make sense in the scenario, since the slow-down factor
919        // is probably huge (eg. mSampleRate=48K, mCaptureFps=240, mFrameRate=1).
920        const static int32_t SAMPLE_RATE_HZ_MAX = 192000;
921        sourceSampleRate =
922                (mSampleRate * mCaptureFps + mFrameRate / 2) / mFrameRate;
923        if (sourceSampleRate < mSampleRate || sourceSampleRate > SAMPLE_RATE_HZ_MAX) {
924            ALOGE("source sample rate out of range! "
925                    "(mSampleRate %d, mCaptureFps %.2f, mFrameRate %d",
926                    mSampleRate, mCaptureFps, mFrameRate);
927            return NULL;
928        }
929    }
930
931    sp<AudioSource> audioSource =
932        new AudioSource(
933                mAudioSource,
934                mOpPackageName,
935                sourceSampleRate,
936                mAudioChannels,
937                mSampleRate);
938
939    status_t err = audioSource->initCheck();
940
941    if (err != OK) {
942        ALOGE("audio source is not initialized");
943        return NULL;
944    }
945
946    sp<AMessage> format = new AMessage;
947    switch (mAudioEncoder) {
948        case AUDIO_ENCODER_AMR_NB:
949        case AUDIO_ENCODER_DEFAULT:
950            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
951            break;
952        case AUDIO_ENCODER_AMR_WB:
953            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
954            break;
955        case AUDIO_ENCODER_AAC:
956            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
957            format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC);
958            break;
959        case AUDIO_ENCODER_HE_AAC:
960            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
961            format->setInt32("aac-profile", OMX_AUDIO_AACObjectHE);
962            break;
963        case AUDIO_ENCODER_AAC_ELD:
964            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
965            format->setInt32("aac-profile", OMX_AUDIO_AACObjectELD);
966            break;
967
968        default:
969            ALOGE("Unknown audio encoder: %d", mAudioEncoder);
970            return NULL;
971    }
972
973    int32_t maxInputSize;
974    CHECK(audioSource->getFormat()->findInt32(
975                kKeyMaxInputSize, &maxInputSize));
976
977    format->setInt32("max-input-size", maxInputSize);
978    format->setInt32("channel-count", mAudioChannels);
979    format->setInt32("sample-rate", mSampleRate);
980    format->setInt32("bitrate", mAudioBitRate);
981    if (mAudioTimeScale > 0) {
982        format->setInt32("time-scale", mAudioTimeScale);
983    }
984    format->setInt32("priority", 0 /* realtime */);
985
986    sp<MediaCodecSource> audioEncoder =
987            MediaCodecSource::Create(mLooper, format, audioSource);
988    mAudioSourceNode = audioSource;
989
990    if (audioEncoder == NULL) {
991        ALOGE("Failed to create audio encoder");
992    }
993
994    return audioEncoder;
995}
996
997status_t StagefrightRecorder::setupAACRecording() {
998    // FIXME:
999    // Add support for OUTPUT_FORMAT_AAC_ADIF
1000    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_AAC_ADTS);
1001
1002    CHECK(mAudioEncoder == AUDIO_ENCODER_AAC ||
1003          mAudioEncoder == AUDIO_ENCODER_HE_AAC ||
1004          mAudioEncoder == AUDIO_ENCODER_AAC_ELD);
1005    CHECK(mAudioSource != AUDIO_SOURCE_CNT);
1006
1007    mWriter = new AACWriter(mOutputFd);
1008    return setupRawAudioRecording();
1009}
1010
1011status_t StagefrightRecorder::setupAMRRecording() {
1012    CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
1013          mOutputFormat == OUTPUT_FORMAT_AMR_WB);
1014
1015    if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) {
1016        if (mAudioEncoder != AUDIO_ENCODER_DEFAULT &&
1017            mAudioEncoder != AUDIO_ENCODER_AMR_NB) {
1018            ALOGE("Invalid encoder %d used for AMRNB recording",
1019                    mAudioEncoder);
1020            return BAD_VALUE;
1021        }
1022    } else {  // mOutputFormat must be OUTPUT_FORMAT_AMR_WB
1023        if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) {
1024            ALOGE("Invlaid encoder %d used for AMRWB recording",
1025                    mAudioEncoder);
1026            return BAD_VALUE;
1027        }
1028    }
1029
1030    mWriter = new AMRWriter(mOutputFd);
1031    return setupRawAudioRecording();
1032}
1033
1034status_t StagefrightRecorder::setupRawAudioRecording() {
1035    if (mAudioSource >= AUDIO_SOURCE_CNT && mAudioSource != AUDIO_SOURCE_FM_TUNER) {
1036        ALOGE("Invalid audio source: %d", mAudioSource);
1037        return BAD_VALUE;
1038    }
1039
1040    status_t status = BAD_VALUE;
1041    if (OK != (status = checkAudioEncoderCapabilities())) {
1042        return status;
1043    }
1044
1045    sp<MediaCodecSource> audioEncoder = createAudioSource();
1046    if (audioEncoder == NULL) {
1047        return UNKNOWN_ERROR;
1048    }
1049
1050    CHECK(mWriter != 0);
1051    mWriter->addSource(audioEncoder);
1052    mAudioEncoderSource = audioEncoder;
1053
1054    if (mMaxFileDurationUs != 0) {
1055        mWriter->setMaxFileDuration(mMaxFileDurationUs);
1056    }
1057    if (mMaxFileSizeBytes != 0) {
1058        mWriter->setMaxFileSize(mMaxFileSizeBytes);
1059    }
1060    mWriter->setListener(mListener);
1061
1062    return OK;
1063}
1064
1065status_t StagefrightRecorder::setupRTPRecording() {
1066    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
1067
1068    if ((mAudioSource != AUDIO_SOURCE_CNT
1069                && mVideoSource != VIDEO_SOURCE_LIST_END)
1070            || (mAudioSource == AUDIO_SOURCE_CNT
1071                && mVideoSource == VIDEO_SOURCE_LIST_END)) {
1072        // Must have exactly one source.
1073        return BAD_VALUE;
1074    }
1075
1076    if (mOutputFd < 0) {
1077        return BAD_VALUE;
1078    }
1079
1080    sp<MediaCodecSource> source;
1081
1082    if (mAudioSource != AUDIO_SOURCE_CNT) {
1083        source = createAudioSource();
1084        mAudioEncoderSource = source;
1085    } else {
1086        setDefaultVideoEncoderIfNecessary();
1087
1088        sp<MediaSource> mediaSource;
1089        status_t err = setupMediaSource(&mediaSource);
1090        if (err != OK) {
1091            return err;
1092        }
1093
1094        err = setupVideoEncoder(mediaSource, &source);
1095        if (err != OK) {
1096            return err;
1097        }
1098        mVideoEncoderSource = source;
1099    }
1100
1101    mWriter = new ARTPWriter(mOutputFd);
1102    mWriter->addSource(source);
1103    mWriter->setListener(mListener);
1104
1105    return OK;
1106}
1107
1108status_t StagefrightRecorder::setupMPEG2TSRecording() {
1109    CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
1110
1111    sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd);
1112
1113    if (mAudioSource != AUDIO_SOURCE_CNT) {
1114        if (mAudioEncoder != AUDIO_ENCODER_AAC &&
1115            mAudioEncoder != AUDIO_ENCODER_HE_AAC &&
1116            mAudioEncoder != AUDIO_ENCODER_AAC_ELD) {
1117            return ERROR_UNSUPPORTED;
1118        }
1119
1120        status_t err = setupAudioEncoder(writer);
1121
1122        if (err != OK) {
1123            return err;
1124        }
1125    }
1126
1127    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1128        if (mVideoEncoder != VIDEO_ENCODER_H264) {
1129            ALOGE("MPEG2TS recording only supports H.264 encoding!");
1130            return ERROR_UNSUPPORTED;
1131        }
1132
1133        sp<MediaSource> mediaSource;
1134        status_t err = setupMediaSource(&mediaSource);
1135        if (err != OK) {
1136            return err;
1137        }
1138
1139        sp<MediaCodecSource> encoder;
1140        err = setupVideoEncoder(mediaSource, &encoder);
1141
1142        if (err != OK) {
1143            return err;
1144        }
1145
1146        writer->addSource(encoder);
1147        mVideoEncoderSource = encoder;
1148    }
1149
1150    if (mMaxFileDurationUs != 0) {
1151        writer->setMaxFileDuration(mMaxFileDurationUs);
1152    }
1153
1154    if (mMaxFileSizeBytes != 0) {
1155        writer->setMaxFileSize(mMaxFileSizeBytes);
1156    }
1157
1158    mWriter = writer;
1159
1160    return OK;
1161}
1162
1163void StagefrightRecorder::clipVideoFrameRate() {
1164    ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
1165    if (mFrameRate == -1) {
1166        mFrameRate = mEncoderProfiles->getCamcorderProfileParamByName(
1167                "vid.fps", mCameraId, CAMCORDER_QUALITY_LOW);
1168        ALOGW("Using default video fps %d", mFrameRate);
1169    }
1170
1171    int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1172                        "enc.vid.fps.min", mVideoEncoder);
1173    int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
1174                        "enc.vid.fps.max", mVideoEncoder);
1175    if (mFrameRate < minFrameRate && minFrameRate != -1) {
1176        ALOGW("Intended video encoding frame rate (%d fps) is too small"
1177             " and will be set to (%d fps)", mFrameRate, minFrameRate);
1178        mFrameRate = minFrameRate;
1179    } else if (mFrameRate > maxFrameRate && maxFrameRate != -1) {
1180        ALOGW("Intended video encoding frame rate (%d fps) is too large"
1181             " and will be set to (%d fps)", mFrameRate, maxFrameRate);
1182        mFrameRate = maxFrameRate;
1183    }
1184}
1185
1186void StagefrightRecorder::clipVideoBitRate() {
1187    ALOGV("clipVideoBitRate: encoder %d", mVideoEncoder);
1188    int minBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1189                        "enc.vid.bps.min", mVideoEncoder);
1190    int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName(
1191                        "enc.vid.bps.max", mVideoEncoder);
1192    if (mVideoBitRate < minBitRate && minBitRate != -1) {
1193        ALOGW("Intended video encoding bit rate (%d bps) is too small"
1194             " and will be set to (%d bps)", mVideoBitRate, minBitRate);
1195        mVideoBitRate = minBitRate;
1196    } else if (mVideoBitRate > maxBitRate && maxBitRate != -1) {
1197        ALOGW("Intended video encoding bit rate (%d bps) is too large"
1198             " and will be set to (%d bps)", mVideoBitRate, maxBitRate);
1199        mVideoBitRate = maxBitRate;
1200    }
1201}
1202
1203void StagefrightRecorder::clipVideoFrameWidth() {
1204    ALOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder);
1205    int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1206                        "enc.vid.width.min", mVideoEncoder);
1207    int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName(
1208                        "enc.vid.width.max", mVideoEncoder);
1209    if (mVideoWidth < minFrameWidth && minFrameWidth != -1) {
1210        ALOGW("Intended video encoding frame width (%d) is too small"
1211             " and will be set to (%d)", mVideoWidth, minFrameWidth);
1212        mVideoWidth = minFrameWidth;
1213    } else if (mVideoWidth > maxFrameWidth && maxFrameWidth != -1) {
1214        ALOGW("Intended video encoding frame width (%d) is too large"
1215             " and will be set to (%d)", mVideoWidth, maxFrameWidth);
1216        mVideoWidth = maxFrameWidth;
1217    }
1218}
1219
1220status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
1221    if (!mCaptureFpsEnable) {
1222        // Dont clip for time lapse capture as encoder will have enough
1223        // time to encode because of slow capture rate of time lapse.
1224        clipVideoBitRate();
1225        clipVideoFrameRate();
1226        clipVideoFrameWidth();
1227        clipVideoFrameHeight();
1228        setDefaultProfileIfNecessary();
1229    }
1230    return OK;
1231}
1232
1233// Set to use AVC baseline profile if the encoding parameters matches
1234// CAMCORDER_QUALITY_LOW profile; this is for the sake of MMS service.
1235void StagefrightRecorder::setDefaultProfileIfNecessary() {
1236    ALOGV("setDefaultProfileIfNecessary");
1237
1238    camcorder_quality quality = CAMCORDER_QUALITY_LOW;
1239
1240    int64_t durationUs   = mEncoderProfiles->getCamcorderProfileParamByName(
1241                                "duration", mCameraId, quality) * 1000000LL;
1242
1243    int fileFormat       = mEncoderProfiles->getCamcorderProfileParamByName(
1244                                "file.format", mCameraId, quality);
1245
1246    int videoCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1247                                "vid.codec", mCameraId, quality);
1248
1249    int videoBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1250                                "vid.bps", mCameraId, quality);
1251
1252    int videoFrameRate   = mEncoderProfiles->getCamcorderProfileParamByName(
1253                                "vid.fps", mCameraId, quality);
1254
1255    int videoFrameWidth  = mEncoderProfiles->getCamcorderProfileParamByName(
1256                                "vid.width", mCameraId, quality);
1257
1258    int videoFrameHeight = mEncoderProfiles->getCamcorderProfileParamByName(
1259                                "vid.height", mCameraId, quality);
1260
1261    int audioCodec       = mEncoderProfiles->getCamcorderProfileParamByName(
1262                                "aud.codec", mCameraId, quality);
1263
1264    int audioBitRate     = mEncoderProfiles->getCamcorderProfileParamByName(
1265                                "aud.bps", mCameraId, quality);
1266
1267    int audioSampleRate  = mEncoderProfiles->getCamcorderProfileParamByName(
1268                                "aud.hz", mCameraId, quality);
1269
1270    int audioChannels    = mEncoderProfiles->getCamcorderProfileParamByName(
1271                                "aud.ch", mCameraId, quality);
1272
1273    if (durationUs == mMaxFileDurationUs &&
1274        fileFormat == mOutputFormat &&
1275        videoCodec == mVideoEncoder &&
1276        videoBitRate == mVideoBitRate &&
1277        videoFrameRate == mFrameRate &&
1278        videoFrameWidth == mVideoWidth &&
1279        videoFrameHeight == mVideoHeight &&
1280        audioCodec == mAudioEncoder &&
1281        audioBitRate == mAudioBitRate &&
1282        audioSampleRate == mSampleRate &&
1283        audioChannels == mAudioChannels) {
1284        if (videoCodec == VIDEO_ENCODER_H264) {
1285            ALOGI("Force to use AVC baseline profile");
1286            setParamVideoEncoderProfile(OMX_VIDEO_AVCProfileBaseline);
1287            // set 0 for invalid levels - this will be rejected by the
1288            // codec if it cannot handle it during configure
1289            setParamVideoEncoderLevel(ACodec::getAVCLevelFor(
1290                    videoFrameWidth, videoFrameHeight, videoFrameRate, videoBitRate));
1291        }
1292    }
1293}
1294
1295void StagefrightRecorder::setDefaultVideoEncoderIfNecessary() {
1296    if (mVideoEncoder == VIDEO_ENCODER_DEFAULT) {
1297        if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1298            // default to VP8 for WEBM recording
1299            mVideoEncoder = VIDEO_ENCODER_VP8;
1300        } else {
1301            // pick the default encoder for CAMCORDER_QUALITY_LOW
1302            int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName(
1303                    "vid.codec", mCameraId, CAMCORDER_QUALITY_LOW);
1304
1305            if (videoCodec > VIDEO_ENCODER_DEFAULT &&
1306                videoCodec < VIDEO_ENCODER_LIST_END) {
1307                mVideoEncoder = (video_encoder)videoCodec;
1308            } else {
1309                // default to H.264 if camcorder profile not available
1310                mVideoEncoder = VIDEO_ENCODER_H264;
1311            }
1312        }
1313    }
1314}
1315
1316status_t StagefrightRecorder::checkAudioEncoderCapabilities() {
1317    clipAudioBitRate();
1318    clipAudioSampleRate();
1319    clipNumberOfAudioChannels();
1320    return OK;
1321}
1322
1323void StagefrightRecorder::clipAudioBitRate() {
1324    ALOGV("clipAudioBitRate: encoder %d", mAudioEncoder);
1325
1326    int minAudioBitRate =
1327            mEncoderProfiles->getAudioEncoderParamByName(
1328                "enc.aud.bps.min", mAudioEncoder);
1329    if (minAudioBitRate != -1 && mAudioBitRate < minAudioBitRate) {
1330        ALOGW("Intended audio encoding bit rate (%d) is too small"
1331            " and will be set to (%d)", mAudioBitRate, minAudioBitRate);
1332        mAudioBitRate = minAudioBitRate;
1333    }
1334
1335    int maxAudioBitRate =
1336            mEncoderProfiles->getAudioEncoderParamByName(
1337                "enc.aud.bps.max", mAudioEncoder);
1338    if (maxAudioBitRate != -1 && mAudioBitRate > maxAudioBitRate) {
1339        ALOGW("Intended audio encoding bit rate (%d) is too large"
1340            " and will be set to (%d)", mAudioBitRate, maxAudioBitRate);
1341        mAudioBitRate = maxAudioBitRate;
1342    }
1343}
1344
1345void StagefrightRecorder::clipAudioSampleRate() {
1346    ALOGV("clipAudioSampleRate: encoder %d", mAudioEncoder);
1347
1348    int minSampleRate =
1349            mEncoderProfiles->getAudioEncoderParamByName(
1350                "enc.aud.hz.min", mAudioEncoder);
1351    if (minSampleRate != -1 && mSampleRate < minSampleRate) {
1352        ALOGW("Intended audio sample rate (%d) is too small"
1353            " and will be set to (%d)", mSampleRate, minSampleRate);
1354        mSampleRate = minSampleRate;
1355    }
1356
1357    int maxSampleRate =
1358            mEncoderProfiles->getAudioEncoderParamByName(
1359                "enc.aud.hz.max", mAudioEncoder);
1360    if (maxSampleRate != -1 && mSampleRate > maxSampleRate) {
1361        ALOGW("Intended audio sample rate (%d) is too large"
1362            " and will be set to (%d)", mSampleRate, maxSampleRate);
1363        mSampleRate = maxSampleRate;
1364    }
1365}
1366
1367void StagefrightRecorder::clipNumberOfAudioChannels() {
1368    ALOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder);
1369
1370    int minChannels =
1371            mEncoderProfiles->getAudioEncoderParamByName(
1372                "enc.aud.ch.min", mAudioEncoder);
1373    if (minChannels != -1 && mAudioChannels < minChannels) {
1374        ALOGW("Intended number of audio channels (%d) is too small"
1375            " and will be set to (%d)", mAudioChannels, minChannels);
1376        mAudioChannels = minChannels;
1377    }
1378
1379    int maxChannels =
1380            mEncoderProfiles->getAudioEncoderParamByName(
1381                "enc.aud.ch.max", mAudioEncoder);
1382    if (maxChannels != -1 && mAudioChannels > maxChannels) {
1383        ALOGW("Intended number of audio channels (%d) is too large"
1384            " and will be set to (%d)", mAudioChannels, maxChannels);
1385        mAudioChannels = maxChannels;
1386    }
1387}
1388
1389void StagefrightRecorder::clipVideoFrameHeight() {
1390    ALOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder);
1391    int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1392                        "enc.vid.height.min", mVideoEncoder);
1393    int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName(
1394                        "enc.vid.height.max", mVideoEncoder);
1395    if (minFrameHeight != -1 && mVideoHeight < minFrameHeight) {
1396        ALOGW("Intended video encoding frame height (%d) is too small"
1397             " and will be set to (%d)", mVideoHeight, minFrameHeight);
1398        mVideoHeight = minFrameHeight;
1399    } else if (maxFrameHeight != -1 && mVideoHeight > maxFrameHeight) {
1400        ALOGW("Intended video encoding frame height (%d) is too large"
1401             " and will be set to (%d)", mVideoHeight, maxFrameHeight);
1402        mVideoHeight = maxFrameHeight;
1403    }
1404}
1405
1406// Set up the appropriate MediaSource depending on the chosen option
1407status_t StagefrightRecorder::setupMediaSource(
1408                      sp<MediaSource> *mediaSource) {
1409    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1410            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1411        sp<CameraSource> cameraSource;
1412        status_t err = setupCameraSource(&cameraSource);
1413        if (err != OK) {
1414            return err;
1415        }
1416        *mediaSource = cameraSource;
1417    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1418        *mediaSource = NULL;
1419    } else {
1420        return INVALID_OPERATION;
1421    }
1422    return OK;
1423}
1424
1425status_t StagefrightRecorder::setupCameraSource(
1426        sp<CameraSource> *cameraSource) {
1427    status_t err = OK;
1428    if ((err = checkVideoEncoderCapabilities()) != OK) {
1429        return err;
1430    }
1431    Size videoSize;
1432    videoSize.width = mVideoWidth;
1433    videoSize.height = mVideoHeight;
1434    if (mCaptureFpsEnable) {
1435        if (mTimeBetweenCaptureUs < 0) {
1436            ALOGE("Invalid mTimeBetweenTimeLapseFrameCaptureUs value: %lld",
1437                    (long long)mTimeBetweenCaptureUs);
1438            return BAD_VALUE;
1439        }
1440
1441        mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
1442                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1443                videoSize, mFrameRate, mPreviewSurface,
1444                mTimeBetweenCaptureUs);
1445        *cameraSource = mCameraSourceTimeLapse;
1446    } else {
1447        *cameraSource = CameraSource::CreateFromCamera(
1448                mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid,
1449                videoSize, mFrameRate,
1450                mPreviewSurface);
1451    }
1452    mCamera.clear();
1453    mCameraProxy.clear();
1454    if (*cameraSource == NULL) {
1455        return UNKNOWN_ERROR;
1456    }
1457
1458    if ((*cameraSource)->initCheck() != OK) {
1459        (*cameraSource).clear();
1460        *cameraSource = NULL;
1461        return NO_INIT;
1462    }
1463
1464    // When frame rate is not set, the actual frame rate will be set to
1465    // the current frame rate being used.
1466    if (mFrameRate == -1) {
1467        int32_t frameRate = 0;
1468        CHECK ((*cameraSource)->getFormat()->findInt32(
1469                    kKeyFrameRate, &frameRate));
1470        ALOGI("Frame rate is not explicitly set. Use the current frame "
1471             "rate (%d fps)", frameRate);
1472        mFrameRate = frameRate;
1473    }
1474
1475    CHECK(mFrameRate != -1);
1476
1477    mIsMetaDataStoredInVideoBuffers =
1478        (*cameraSource)->isMetaDataStoredInVideoBuffers();
1479
1480    return OK;
1481}
1482
1483status_t StagefrightRecorder::setupVideoEncoder(
1484        sp<MediaSource> cameraSource,
1485        sp<MediaCodecSource> *source) {
1486    source->clear();
1487
1488    sp<AMessage> format = new AMessage();
1489
1490    switch (mVideoEncoder) {
1491        case VIDEO_ENCODER_H263:
1492            format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
1493            break;
1494
1495        case VIDEO_ENCODER_MPEG_4_SP:
1496            format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
1497            break;
1498
1499        case VIDEO_ENCODER_H264:
1500            format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
1501            break;
1502
1503        case VIDEO_ENCODER_VP8:
1504            format->setString("mime", MEDIA_MIMETYPE_VIDEO_VP8);
1505            break;
1506
1507        case VIDEO_ENCODER_HEVC:
1508            format->setString("mime", MEDIA_MIMETYPE_VIDEO_HEVC);
1509            break;
1510
1511        default:
1512            CHECK(!"Should not be here, unsupported video encoding.");
1513            break;
1514    }
1515
1516    if (cameraSource != NULL) {
1517        sp<MetaData> meta = cameraSource->getFormat();
1518
1519        int32_t width, height, stride, sliceHeight, colorFormat;
1520        CHECK(meta->findInt32(kKeyWidth, &width));
1521        CHECK(meta->findInt32(kKeyHeight, &height));
1522        CHECK(meta->findInt32(kKeyStride, &stride));
1523        CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
1524        CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
1525
1526        format->setInt32("width", width);
1527        format->setInt32("height", height);
1528        format->setInt32("stride", stride);
1529        format->setInt32("slice-height", sliceHeight);
1530        format->setInt32("color-format", colorFormat);
1531    } else {
1532        format->setInt32("width", mVideoWidth);
1533        format->setInt32("height", mVideoHeight);
1534        format->setInt32("stride", mVideoWidth);
1535        format->setInt32("slice-height", mVideoHeight);
1536        format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque);
1537
1538        // set up time lapse/slow motion for surface source
1539        if (mCaptureFpsEnable) {
1540            if (mTimeBetweenCaptureUs <= 0) {
1541                ALOGE("Invalid mTimeBetweenCaptureUs value: %lld",
1542                        (long long)mTimeBetweenCaptureUs);
1543                return BAD_VALUE;
1544            }
1545            format->setInt64("time-lapse", mTimeBetweenCaptureUs);
1546        }
1547    }
1548
1549    format->setInt32("bitrate", mVideoBitRate);
1550    format->setInt32("frame-rate", mFrameRate);
1551    format->setInt32("i-frame-interval", mIFramesIntervalSec);
1552
1553    if (mVideoTimeScale > 0) {
1554        format->setInt32("time-scale", mVideoTimeScale);
1555    }
1556    if (mVideoEncoderProfile != -1) {
1557        format->setInt32("profile", mVideoEncoderProfile);
1558    }
1559    if (mVideoEncoderLevel != -1) {
1560        format->setInt32("level", mVideoEncoderLevel);
1561    }
1562
1563    format->setInt32("priority", 0 /* realtime */);
1564    if (mCaptureFpsEnable) {
1565        format->setFloat("operating-rate", mCaptureFps);
1566    }
1567
1568    uint32_t flags = 0;
1569    if (mIsMetaDataStoredInVideoBuffers) {
1570        flags |= MediaCodecSource::FLAG_USE_METADATA_INPUT;
1571    }
1572
1573    if (cameraSource == NULL) {
1574        flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT;
1575    } else {
1576        // require dataspace setup even if not using surface input
1577        format->setInt32("android._using-recorder", 1);
1578    }
1579
1580    sp<MediaCodecSource> encoder = MediaCodecSource::Create(
1581            mLooper, format, cameraSource, mPersistentSurface, flags);
1582    if (encoder == NULL) {
1583        ALOGE("Failed to create video encoder");
1584        // When the encoder fails to be created, we need
1585        // release the camera source due to the camera's lock
1586        // and unlock mechanism.
1587        if (cameraSource != NULL) {
1588            cameraSource->stop();
1589        }
1590        return UNKNOWN_ERROR;
1591    }
1592
1593    if (cameraSource == NULL) {
1594        mGraphicBufferProducer = encoder->getGraphicBufferProducer();
1595    }
1596
1597    *source = encoder;
1598
1599    return OK;
1600}
1601
1602status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) {
1603    status_t status = BAD_VALUE;
1604    if (OK != (status = checkAudioEncoderCapabilities())) {
1605        return status;
1606    }
1607
1608    switch(mAudioEncoder) {
1609        case AUDIO_ENCODER_AMR_NB:
1610        case AUDIO_ENCODER_AMR_WB:
1611        case AUDIO_ENCODER_AAC:
1612        case AUDIO_ENCODER_HE_AAC:
1613        case AUDIO_ENCODER_AAC_ELD:
1614            break;
1615
1616        default:
1617            ALOGE("Unsupported audio encoder: %d", mAudioEncoder);
1618            return UNKNOWN_ERROR;
1619    }
1620
1621    sp<MediaCodecSource> audioEncoder = createAudioSource();
1622    if (audioEncoder == NULL) {
1623        return UNKNOWN_ERROR;
1624    }
1625
1626    writer->addSource(audioEncoder);
1627    mAudioEncoderSource = audioEncoder;
1628    return OK;
1629}
1630
1631status_t StagefrightRecorder::setupMPEG4orWEBMRecording() {
1632    mWriter.clear();
1633    mTotalBitRate = 0;
1634
1635    status_t err = OK;
1636    sp<MediaWriter> writer;
1637    sp<MPEG4Writer> mp4writer;
1638    if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
1639        writer = new WebmWriter(mOutputFd);
1640    } else {
1641        writer = mp4writer = new MPEG4Writer(mOutputFd);
1642    }
1643
1644    if (mVideoSource < VIDEO_SOURCE_LIST_END) {
1645        setDefaultVideoEncoderIfNecessary();
1646
1647        sp<MediaSource> mediaSource;
1648        err = setupMediaSource(&mediaSource);
1649        if (err != OK) {
1650            return err;
1651        }
1652
1653        sp<MediaCodecSource> encoder;
1654        err = setupVideoEncoder(mediaSource, &encoder);
1655        if (err != OK) {
1656            return err;
1657        }
1658
1659        writer->addSource(encoder);
1660        mVideoEncoderSource = encoder;
1661        mTotalBitRate += mVideoBitRate;
1662    }
1663
1664    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1665        // Audio source is added at the end if it exists.
1666        // This help make sure that the "recoding" sound is suppressed for
1667        // camcorder applications in the recorded files.
1668        // TODO Audio source is currently unsupported for webm output; vorbis encoder needed.
1669        // disable audio for time lapse recording
1670        bool disableAudio = mCaptureFpsEnable && mCaptureFps < mFrameRate;
1671        if (!disableAudio && mAudioSource != AUDIO_SOURCE_CNT) {
1672            err = setupAudioEncoder(writer);
1673            if (err != OK) return err;
1674            mTotalBitRate += mAudioBitRate;
1675        }
1676
1677        if (mCaptureFpsEnable) {
1678            mp4writer->setCaptureRate(mCaptureFps);
1679        }
1680
1681        if (mInterleaveDurationUs > 0) {
1682            mp4writer->setInterleaveDuration(mInterleaveDurationUs);
1683        }
1684        if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) {
1685            mp4writer->setGeoData(mLatitudex10000, mLongitudex10000);
1686        }
1687    }
1688    if (mMaxFileDurationUs != 0) {
1689        writer->setMaxFileDuration(mMaxFileDurationUs);
1690    }
1691    if (mMaxFileSizeBytes != 0) {
1692        writer->setMaxFileSize(mMaxFileSizeBytes);
1693    }
1694    if (mVideoSource == VIDEO_SOURCE_DEFAULT
1695            || mVideoSource == VIDEO_SOURCE_CAMERA) {
1696        mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId);
1697    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
1698        // surface source doesn't need large initial delay
1699        mStartTimeOffsetMs = 200;
1700    }
1701    if (mStartTimeOffsetMs > 0) {
1702        writer->setStartTimeOffsetMs(mStartTimeOffsetMs);
1703    }
1704
1705    writer->setListener(mListener);
1706    mWriter = writer;
1707    return OK;
1708}
1709
1710void StagefrightRecorder::setupMPEG4orWEBMMetaData(sp<MetaData> *meta) {
1711    int64_t startTimeUs = systemTime() / 1000;
1712    (*meta)->setInt64(kKeyTime, startTimeUs);
1713    (*meta)->setInt32(kKeyFileType, mOutputFormat);
1714    (*meta)->setInt32(kKeyBitRate, mTotalBitRate);
1715    if (mMovieTimeScale > 0) {
1716        (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
1717    }
1718    if (mOutputFormat != OUTPUT_FORMAT_WEBM) {
1719        (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
1720        if (mTrackEveryTimeDurationUs > 0) {
1721            (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs);
1722        }
1723        if (mRotationDegrees != 0) {
1724            (*meta)->setInt32(kKeyRotation, mRotationDegrees);
1725        }
1726    }
1727}
1728
1729status_t StagefrightRecorder::pause() {
1730    ALOGV("pause");
1731    if (!mStarted) {
1732        return INVALID_OPERATION;
1733    }
1734
1735    // Already paused --- no-op.
1736    if (mPauseStartTimeUs != 0) {
1737        return OK;
1738    }
1739
1740    if (mAudioEncoderSource != NULL) {
1741        mAudioEncoderSource->pause();
1742    }
1743    if (mVideoEncoderSource != NULL) {
1744        mVideoEncoderSource->pause();
1745    }
1746
1747    mPauseStartTimeUs = systemTime() / 1000;
1748
1749    return OK;
1750}
1751
1752status_t StagefrightRecorder::resume() {
1753    ALOGV("resume");
1754    if (!mStarted) {
1755        return INVALID_OPERATION;
1756    }
1757
1758    // Not paused --- no-op.
1759    if (mPauseStartTimeUs == 0) {
1760        return OK;
1761    }
1762
1763    // 30 ms buffer to avoid timestamp overlap
1764    mTotalPausedDurationUs += (systemTime() / 1000) - mPauseStartTimeUs - 30000;
1765    double timeOffset = -mTotalPausedDurationUs;
1766    if (mCaptureFpsEnable) {
1767        timeOffset *= mCaptureFps / mFrameRate;
1768    }
1769    if (mAudioEncoderSource != NULL) {
1770        mAudioEncoderSource->setInputBufferTimeOffset((int64_t)timeOffset);
1771        mAudioEncoderSource->start();
1772    }
1773    if (mVideoEncoderSource != NULL) {
1774        mVideoEncoderSource->setInputBufferTimeOffset((int64_t)timeOffset);
1775        mVideoEncoderSource->start();
1776    }
1777    mPauseStartTimeUs = 0;
1778
1779    return OK;
1780}
1781
1782status_t StagefrightRecorder::stop() {
1783    ALOGV("stop");
1784    status_t err = OK;
1785
1786    if (mCaptureFpsEnable && mCameraSourceTimeLapse != NULL) {
1787        mCameraSourceTimeLapse->startQuickReadReturns();
1788        mCameraSourceTimeLapse = NULL;
1789    }
1790
1791    if (mWriter != NULL) {
1792        err = mWriter->stop();
1793        mWriter.clear();
1794    }
1795    mTotalPausedDurationUs = 0;
1796    mPauseStartTimeUs = 0;
1797
1798    mGraphicBufferProducer.clear();
1799    mPersistentSurface.clear();
1800    mAudioEncoderSource.clear();
1801    mVideoEncoderSource.clear();
1802
1803    if (mOutputFd >= 0) {
1804        ::close(mOutputFd);
1805        mOutputFd = -1;
1806    }
1807
1808    if (mStarted) {
1809        mStarted = false;
1810
1811        uint32_t params = 0;
1812        if (mAudioSource != AUDIO_SOURCE_CNT) {
1813            params |= IMediaPlayerService::kBatteryDataTrackAudio;
1814        }
1815        if (mVideoSource != VIDEO_SOURCE_LIST_END) {
1816            params |= IMediaPlayerService::kBatteryDataTrackVideo;
1817        }
1818
1819        addBatteryData(params);
1820    }
1821
1822    return err;
1823}
1824
1825status_t StagefrightRecorder::close() {
1826    ALOGV("close");
1827    stop();
1828
1829    return OK;
1830}
1831
1832status_t StagefrightRecorder::reset() {
1833    ALOGV("reset");
1834    stop();
1835
1836    // No audio or video source by default
1837    mAudioSource = AUDIO_SOURCE_CNT;
1838    mVideoSource = VIDEO_SOURCE_LIST_END;
1839
1840    // Default parameters
1841    mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
1842    mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
1843    mVideoEncoder  = VIDEO_ENCODER_DEFAULT;
1844    mVideoWidth    = 176;
1845    mVideoHeight   = 144;
1846    mFrameRate     = -1;
1847    mVideoBitRate  = 192000;
1848    mSampleRate    = 8000;
1849    mAudioChannels = 1;
1850    mAudioBitRate  = 12200;
1851    mInterleaveDurationUs = 0;
1852    mIFramesIntervalSec = 1;
1853    mAudioSourceNode = 0;
1854    mUse64BitFileOffset = false;
1855    mMovieTimeScale  = -1;
1856    mAudioTimeScale  = -1;
1857    mVideoTimeScale  = -1;
1858    mCameraId        = 0;
1859    mStartTimeOffsetMs = -1;
1860    mVideoEncoderProfile = -1;
1861    mVideoEncoderLevel   = -1;
1862    mMaxFileDurationUs = 0;
1863    mMaxFileSizeBytes = 0;
1864    mTrackEveryTimeDurationUs = 0;
1865    mCaptureFpsEnable = false;
1866    mCaptureFps = 0.0f;
1867    mTimeBetweenCaptureUs = -1;
1868    mCameraSourceTimeLapse = NULL;
1869    mIsMetaDataStoredInVideoBuffers = false;
1870    mEncoderProfiles = MediaProfiles::getInstance();
1871    mRotationDegrees = 0;
1872    mLatitudex10000 = -3600000;
1873    mLongitudex10000 = -3600000;
1874    mTotalBitRate = 0;
1875
1876    mOutputFd = -1;
1877
1878    return OK;
1879}
1880
1881status_t StagefrightRecorder::getMaxAmplitude(int *max) {
1882    ALOGV("getMaxAmplitude");
1883
1884    if (max == NULL) {
1885        ALOGE("Null pointer argument");
1886        return BAD_VALUE;
1887    }
1888
1889    if (mAudioSourceNode != 0) {
1890        *max = mAudioSourceNode->getMaxAmplitude();
1891    } else {
1892        *max = 0;
1893    }
1894
1895    return OK;
1896}
1897
1898status_t StagefrightRecorder::dump(
1899        int fd, const Vector<String16>& args) const {
1900    ALOGV("dump");
1901    const size_t SIZE = 256;
1902    char buffer[SIZE];
1903    String8 result;
1904    if (mWriter != 0) {
1905        mWriter->dump(fd, args);
1906    } else {
1907        snprintf(buffer, SIZE, "   No file writer\n");
1908        result.append(buffer);
1909    }
1910    snprintf(buffer, SIZE, "   Recorder: %p\n", this);
1911    snprintf(buffer, SIZE, "   Output file (fd %d):\n", mOutputFd);
1912    result.append(buffer);
1913    snprintf(buffer, SIZE, "     File format: %d\n", mOutputFormat);
1914    result.append(buffer);
1915    snprintf(buffer, SIZE, "     Max file size (bytes): %" PRId64 "\n", mMaxFileSizeBytes);
1916    result.append(buffer);
1917    snprintf(buffer, SIZE, "     Max file duration (us): %" PRId64 "\n", mMaxFileDurationUs);
1918    result.append(buffer);
1919    snprintf(buffer, SIZE, "     File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32);
1920    result.append(buffer);
1921    snprintf(buffer, SIZE, "     Interleave duration (us): %d\n", mInterleaveDurationUs);
1922    result.append(buffer);
1923    snprintf(buffer, SIZE, "     Progress notification: %" PRId64 " us\n", mTrackEveryTimeDurationUs);
1924    result.append(buffer);
1925    snprintf(buffer, SIZE, "   Audio\n");
1926    result.append(buffer);
1927    snprintf(buffer, SIZE, "     Source: %d\n", mAudioSource);
1928    result.append(buffer);
1929    snprintf(buffer, SIZE, "     Encoder: %d\n", mAudioEncoder);
1930    result.append(buffer);
1931    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mAudioBitRate);
1932    result.append(buffer);
1933    snprintf(buffer, SIZE, "     Sampling rate (hz): %d\n", mSampleRate);
1934    result.append(buffer);
1935    snprintf(buffer, SIZE, "     Number of channels: %d\n", mAudioChannels);
1936    result.append(buffer);
1937    snprintf(buffer, SIZE, "     Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude());
1938    result.append(buffer);
1939    snprintf(buffer, SIZE, "   Video\n");
1940    result.append(buffer);
1941    snprintf(buffer, SIZE, "     Source: %d\n", mVideoSource);
1942    result.append(buffer);
1943    snprintf(buffer, SIZE, "     Camera Id: %d\n", mCameraId);
1944    result.append(buffer);
1945    snprintf(buffer, SIZE, "     Start time offset (ms): %d\n", mStartTimeOffsetMs);
1946    result.append(buffer);
1947    snprintf(buffer, SIZE, "     Encoder: %d\n", mVideoEncoder);
1948    result.append(buffer);
1949    snprintf(buffer, SIZE, "     Encoder profile: %d\n", mVideoEncoderProfile);
1950    result.append(buffer);
1951    snprintf(buffer, SIZE, "     Encoder level: %d\n", mVideoEncoderLevel);
1952    result.append(buffer);
1953    snprintf(buffer, SIZE, "     I frames interval (s): %d\n", mIFramesIntervalSec);
1954    result.append(buffer);
1955    snprintf(buffer, SIZE, "     Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight);
1956    result.append(buffer);
1957    snprintf(buffer, SIZE, "     Frame rate (fps): %d\n", mFrameRate);
1958    result.append(buffer);
1959    snprintf(buffer, SIZE, "     Bit rate (bps): %d\n", mVideoBitRate);
1960    result.append(buffer);
1961    ::write(fd, result.string(), result.size());
1962    return OK;
1963}
1964}  // namespace android
1965