StagefrightRecorder.cpp revision b77d03b62cb743d0faf74b54aa466b4d220b5e61
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, offset, 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", 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.", timeUs); 423 timeUs = 0; // Disable the duration limit for zero or negative values. 424 } else if (timeUs <= 100000LL) { // XXX: 100 milli-seconds 425 ALOGE("Max file duration is too short: %lld us", timeUs); 426 return BAD_VALUE; 427 } 428 429 if (timeUs <= 15 * 1000000LL) { 430 ALOGW("Target duration (%lld us) too short to be respected", timeUs); 431 } 432 mMaxFileDurationUs = timeUs; 433 return OK; 434} 435 436status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) { 437 ALOGV("setParamMaxFileSizeBytes: %lld bytes", bytes); 438 439 // This is meant for backward compatibility for MediaRecorder.java 440 if (bytes <= 0) { 441 ALOGW("Max file size is not positive: %lld bytes. " 442 "Disabling file size limit.", bytes); 443 bytes = 0; // Disable the file size limit for zero or negative values. 444 } else if (bytes <= 1024) { // XXX: 1 kB 445 ALOGE("Max file size is too small: %lld bytes", bytes); 446 return BAD_VALUE; 447 } 448 449 if (bytes <= 100 * 1024) { 450 ALOGW("Target file size (%lld bytes) is too small to be respected", bytes); 451 } 452 453 mMaxFileSizeBytes = bytes; 454 return OK; 455} 456 457status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) { 458 ALOGV("setParamInterleaveDuration: %d", durationUs); 459 if (durationUs <= 500000) { // 500 ms 460 // If interleave duration is too small, it is very inefficient to do 461 // interleaving since the metadata overhead will count for a significant 462 // portion of the saved contents 463 ALOGE("Audio/video interleave duration is too small: %d us", durationUs); 464 return BAD_VALUE; 465 } else if (durationUs >= 10000000) { // 10 seconds 466 // If interleaving duration is too large, it can cause the recording 467 // session to use too much memory since we have to save the output 468 // data before we write them out 469 ALOGE("Audio/video interleave duration is too large: %d us", durationUs); 470 return BAD_VALUE; 471 } 472 mInterleaveDurationUs = durationUs; 473 return OK; 474} 475 476// If seconds < 0, only the first frame is I frame, and rest are all P frames 477// If seconds == 0, all frames are encoded as I frames. No P frames 478// If seconds > 0, it is the time spacing (seconds) between 2 neighboring I frames 479status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) { 480 ALOGV("setParamVideoIFramesInterval: %d seconds", seconds); 481 mIFramesIntervalSec = seconds; 482 return OK; 483} 484 485status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) { 486 ALOGV("setParam64BitFileOffset: %s", 487 use64Bit? "use 64 bit file offset": "use 32 bit file offset"); 488 mUse64BitFileOffset = use64Bit; 489 return OK; 490} 491 492status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) { 493 ALOGV("setParamVideoCameraId: %d", cameraId); 494 if (cameraId < 0) { 495 return BAD_VALUE; 496 } 497 mCameraId = cameraId; 498 return OK; 499} 500 501status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) { 502 ALOGV("setParamTrackTimeStatus: %lld", timeDurationUs); 503 if (timeDurationUs < 20000) { // Infeasible if shorter than 20 ms? 504 ALOGE("Tracking time duration too short: %lld us", timeDurationUs); 505 return BAD_VALUE; 506 } 507 mTrackEveryTimeDurationUs = timeDurationUs; 508 return OK; 509} 510 511status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) { 512 ALOGV("setParamVideoEncoderProfile: %d", profile); 513 514 // Additional check will be done later when we load the encoder. 515 // For now, we are accepting values defined in OpenMAX IL. 516 mVideoEncoderProfile = profile; 517 return OK; 518} 519 520status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) { 521 ALOGV("setParamVideoEncoderLevel: %d", level); 522 523 // Additional check will be done later when we load the encoder. 524 // For now, we are accepting values defined in OpenMAX IL. 525 mVideoEncoderLevel = level; 526 return OK; 527} 528 529status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) { 530 ALOGV("setParamMovieTimeScale: %d", timeScale); 531 532 // The range is set to be the same as the audio's time scale range 533 // since audio's time scale has a wider range. 534 if (timeScale < 600 || timeScale > 96000) { 535 ALOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale); 536 return BAD_VALUE; 537 } 538 mMovieTimeScale = timeScale; 539 return OK; 540} 541 542status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) { 543 ALOGV("setParamVideoTimeScale: %d", timeScale); 544 545 // 60000 is chosen to make sure that each video frame from a 60-fps 546 // video has 1000 ticks. 547 if (timeScale < 600 || timeScale > 60000) { 548 ALOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale); 549 return BAD_VALUE; 550 } 551 mVideoTimeScale = timeScale; 552 return OK; 553} 554 555status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) { 556 ALOGV("setParamAudioTimeScale: %d", timeScale); 557 558 // 96000 Hz is the highest sampling rate support in AAC. 559 if (timeScale < 600 || timeScale > 96000) { 560 ALOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale); 561 return BAD_VALUE; 562 } 563 mAudioTimeScale = timeScale; 564 return OK; 565} 566 567status_t StagefrightRecorder::setParamCaptureFpsEnable(int32_t captureFpsEnable) { 568 ALOGV("setParamCaptureFpsEnable: %d", captureFpsEnable); 569 570 if(captureFpsEnable == 0) { 571 mCaptureFpsEnable = false; 572 } else if (captureFpsEnable == 1) { 573 mCaptureFpsEnable = true; 574 } else { 575 return BAD_VALUE; 576 } 577 return OK; 578} 579 580status_t StagefrightRecorder::setParamCaptureFps(float fps) { 581 ALOGV("setParamCaptureFps: %.2f", fps); 582 583 int64_t timeUs = (int64_t) (1000000.0 / fps + 0.5f); 584 585 // Not allowing time more than a day 586 if (timeUs <= 0 || timeUs > 86400*1E6) { 587 ALOGE("Time between frame capture (%lld) is out of range [0, 1 Day]", timeUs); 588 return BAD_VALUE; 589 } 590 591 mCaptureFps = fps; 592 mTimeBetweenCaptureUs = timeUs; 593 return OK; 594} 595 596status_t StagefrightRecorder::setParamGeoDataLongitude( 597 int64_t longitudex10000) { 598 599 if (longitudex10000 > 1800000 || longitudex10000 < -1800000) { 600 return BAD_VALUE; 601 } 602 mLongitudex10000 = longitudex10000; 603 return OK; 604} 605 606status_t StagefrightRecorder::setParamGeoDataLatitude( 607 int64_t latitudex10000) { 608 609 if (latitudex10000 > 900000 || latitudex10000 < -900000) { 610 return BAD_VALUE; 611 } 612 mLatitudex10000 = latitudex10000; 613 return OK; 614} 615 616status_t StagefrightRecorder::setParameter( 617 const String8 &key, const String8 &value) { 618 ALOGV("setParameter: key (%s) => value (%s)", key.string(), value.string()); 619 if (key == "max-duration") { 620 int64_t max_duration_ms; 621 if (safe_strtoi64(value.string(), &max_duration_ms)) { 622 return setParamMaxFileDurationUs(1000LL * max_duration_ms); 623 } 624 } else if (key == "max-filesize") { 625 int64_t max_filesize_bytes; 626 if (safe_strtoi64(value.string(), &max_filesize_bytes)) { 627 return setParamMaxFileSizeBytes(max_filesize_bytes); 628 } 629 } else if (key == "interleave-duration-us") { 630 int32_t durationUs; 631 if (safe_strtoi32(value.string(), &durationUs)) { 632 return setParamInterleaveDuration(durationUs); 633 } 634 } else if (key == "param-movie-time-scale") { 635 int32_t timeScale; 636 if (safe_strtoi32(value.string(), &timeScale)) { 637 return setParamMovieTimeScale(timeScale); 638 } 639 } else if (key == "param-use-64bit-offset") { 640 int32_t use64BitOffset; 641 if (safe_strtoi32(value.string(), &use64BitOffset)) { 642 return setParam64BitFileOffset(use64BitOffset != 0); 643 } 644 } else if (key == "param-geotag-longitude") { 645 int64_t longitudex10000; 646 if (safe_strtoi64(value.string(), &longitudex10000)) { 647 return setParamGeoDataLongitude(longitudex10000); 648 } 649 } else if (key == "param-geotag-latitude") { 650 int64_t latitudex10000; 651 if (safe_strtoi64(value.string(), &latitudex10000)) { 652 return setParamGeoDataLatitude(latitudex10000); 653 } 654 } else if (key == "param-track-time-status") { 655 int64_t timeDurationUs; 656 if (safe_strtoi64(value.string(), &timeDurationUs)) { 657 return setParamTrackTimeStatus(timeDurationUs); 658 } 659 } else if (key == "audio-param-sampling-rate") { 660 int32_t sampling_rate; 661 if (safe_strtoi32(value.string(), &sampling_rate)) { 662 return setParamAudioSamplingRate(sampling_rate); 663 } 664 } else if (key == "audio-param-number-of-channels") { 665 int32_t number_of_channels; 666 if (safe_strtoi32(value.string(), &number_of_channels)) { 667 return setParamAudioNumberOfChannels(number_of_channels); 668 } 669 } else if (key == "audio-param-encoding-bitrate") { 670 int32_t audio_bitrate; 671 if (safe_strtoi32(value.string(), &audio_bitrate)) { 672 return setParamAudioEncodingBitRate(audio_bitrate); 673 } 674 } else if (key == "audio-param-time-scale") { 675 int32_t timeScale; 676 if (safe_strtoi32(value.string(), &timeScale)) { 677 return setParamAudioTimeScale(timeScale); 678 } 679 } else if (key == "video-param-encoding-bitrate") { 680 int32_t video_bitrate; 681 if (safe_strtoi32(value.string(), &video_bitrate)) { 682 return setParamVideoEncodingBitRate(video_bitrate); 683 } 684 } else if (key == "video-param-rotation-angle-degrees") { 685 int32_t degrees; 686 if (safe_strtoi32(value.string(), °rees)) { 687 return setParamVideoRotation(degrees); 688 } 689 } else if (key == "video-param-i-frames-interval") { 690 int32_t seconds; 691 if (safe_strtoi32(value.string(), &seconds)) { 692 return setParamVideoIFramesInterval(seconds); 693 } 694 } else if (key == "video-param-encoder-profile") { 695 int32_t profile; 696 if (safe_strtoi32(value.string(), &profile)) { 697 return setParamVideoEncoderProfile(profile); 698 } 699 } else if (key == "video-param-encoder-level") { 700 int32_t level; 701 if (safe_strtoi32(value.string(), &level)) { 702 return setParamVideoEncoderLevel(level); 703 } 704 } else if (key == "video-param-camera-id") { 705 int32_t cameraId; 706 if (safe_strtoi32(value.string(), &cameraId)) { 707 return setParamVideoCameraId(cameraId); 708 } 709 } else if (key == "video-param-time-scale") { 710 int32_t timeScale; 711 if (safe_strtoi32(value.string(), &timeScale)) { 712 return setParamVideoTimeScale(timeScale); 713 } 714 } else if (key == "time-lapse-enable") { 715 int32_t captureFpsEnable; 716 if (safe_strtoi32(value.string(), &captureFpsEnable)) { 717 return setParamCaptureFpsEnable(captureFpsEnable); 718 } 719 } else if (key == "time-lapse-fps") { 720 float fps; 721 if (safe_strtof(value.string(), &fps)) { 722 return setParamCaptureFps(fps); 723 } 724 } else { 725 ALOGE("setParameter: failed to find key %s", key.string()); 726 } 727 return BAD_VALUE; 728} 729 730status_t StagefrightRecorder::setParameters(const String8 ¶ms) { 731 ALOGV("setParameters: %s", params.string()); 732 const char *cparams = params.string(); 733 const char *key_start = cparams; 734 for (;;) { 735 const char *equal_pos = strchr(key_start, '='); 736 if (equal_pos == NULL) { 737 ALOGE("Parameters %s miss a value", cparams); 738 return BAD_VALUE; 739 } 740 String8 key(key_start, equal_pos - key_start); 741 TrimString(&key); 742 if (key.length() == 0) { 743 ALOGE("Parameters %s contains an empty key", cparams); 744 return BAD_VALUE; 745 } 746 const char *value_start = equal_pos + 1; 747 const char *semicolon_pos = strchr(value_start, ';'); 748 String8 value; 749 if (semicolon_pos == NULL) { 750 value.setTo(value_start); 751 } else { 752 value.setTo(value_start, semicolon_pos - value_start); 753 } 754 if (setParameter(key, value) != OK) { 755 return BAD_VALUE; 756 } 757 if (semicolon_pos == NULL) { 758 break; // Reaches the end 759 } 760 key_start = semicolon_pos + 1; 761 } 762 return OK; 763} 764 765status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) { 766 mListener = listener; 767 768 return OK; 769} 770 771status_t StagefrightRecorder::setClientName(const String16& clientName) { 772 mClientName = clientName; 773 774 return OK; 775} 776 777status_t StagefrightRecorder::prepareInternal() { 778 ALOGV("prepare"); 779 if (mOutputFd < 0) { 780 ALOGE("Output file descriptor is invalid"); 781 return INVALID_OPERATION; 782 } 783 784 // Get UID and PID here for permission checking 785 mClientUid = IPCThreadState::self()->getCallingUid(); 786 mClientPid = IPCThreadState::self()->getCallingPid(); 787 788 status_t status = OK; 789 790 switch (mOutputFormat) { 791 case OUTPUT_FORMAT_DEFAULT: 792 case OUTPUT_FORMAT_THREE_GPP: 793 case OUTPUT_FORMAT_MPEG_4: 794 case OUTPUT_FORMAT_WEBM: 795 status = setupMPEG4orWEBMRecording(); 796 break; 797 798 case OUTPUT_FORMAT_AMR_NB: 799 case OUTPUT_FORMAT_AMR_WB: 800 status = setupAMRRecording(); 801 break; 802 803 case OUTPUT_FORMAT_AAC_ADIF: 804 case OUTPUT_FORMAT_AAC_ADTS: 805 status = setupAACRecording(); 806 break; 807 808 case OUTPUT_FORMAT_RTP_AVP: 809 status = setupRTPRecording(); 810 break; 811 812 case OUTPUT_FORMAT_MPEG2TS: 813 status = setupMPEG2TSRecording(); 814 break; 815 816 default: 817 ALOGE("Unsupported output file format: %d", mOutputFormat); 818 status = UNKNOWN_ERROR; 819 break; 820 } 821 822 return status; 823} 824 825status_t StagefrightRecorder::prepare() { 826 if (mVideoSource == VIDEO_SOURCE_SURFACE) { 827 return prepareInternal(); 828 } 829 return OK; 830} 831 832status_t StagefrightRecorder::start() { 833 ALOGV("start"); 834 if (mOutputFd < 0) { 835 ALOGE("Output file descriptor is invalid"); 836 return INVALID_OPERATION; 837 } 838 839 status_t status = OK; 840 841 if (mVideoSource != VIDEO_SOURCE_SURFACE) { 842 status = prepareInternal(); 843 if (status != OK) { 844 return status; 845 } 846 } 847 848 if (mWriter == NULL) { 849 ALOGE("File writer is not avaialble"); 850 return UNKNOWN_ERROR; 851 } 852 853 switch (mOutputFormat) { 854 case OUTPUT_FORMAT_DEFAULT: 855 case OUTPUT_FORMAT_THREE_GPP: 856 case OUTPUT_FORMAT_MPEG_4: 857 case OUTPUT_FORMAT_WEBM: 858 { 859 bool isMPEG4 = true; 860 if (mOutputFormat == OUTPUT_FORMAT_WEBM) { 861 isMPEG4 = false; 862 } 863 sp<MetaData> meta = new MetaData; 864 setupMPEG4orWEBMMetaData(&meta); 865 status = mWriter->start(meta.get()); 866 break; 867 } 868 869 case OUTPUT_FORMAT_AMR_NB: 870 case OUTPUT_FORMAT_AMR_WB: 871 case OUTPUT_FORMAT_AAC_ADIF: 872 case OUTPUT_FORMAT_AAC_ADTS: 873 case OUTPUT_FORMAT_RTP_AVP: 874 case OUTPUT_FORMAT_MPEG2TS: 875 { 876 status = mWriter->start(); 877 break; 878 } 879 880 default: 881 { 882 ALOGE("Unsupported output file format: %d", mOutputFormat); 883 status = UNKNOWN_ERROR; 884 break; 885 } 886 } 887 888 if (status != OK) { 889 mWriter.clear(); 890 mWriter = NULL; 891 } 892 893 if ((status == OK) && (!mStarted)) { 894 mStarted = true; 895 896 uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted; 897 if (mAudioSource != AUDIO_SOURCE_CNT) { 898 params |= IMediaPlayerService::kBatteryDataTrackAudio; 899 } 900 if (mVideoSource != VIDEO_SOURCE_LIST_END) { 901 params |= IMediaPlayerService::kBatteryDataTrackVideo; 902 } 903 904 addBatteryData(params); 905 } 906 907 return status; 908} 909 910sp<MediaCodecSource> StagefrightRecorder::createAudioSource() { 911 int32_t sourceSampleRate = mSampleRate; 912 913 if (mCaptureFpsEnable && mCaptureFps >= mFrameRate) { 914 // Upscale the sample rate for slow motion recording. 915 // Fail audio source creation if source sample rate is too high, as it could 916 // cause out-of-memory due to large input buffer size. And audio recording 917 // probably doesn't make sense in the scenario, since the slow-down factor 918 // is probably huge (eg. mSampleRate=48K, mCaptureFps=240, mFrameRate=1). 919 const static int32_t SAMPLE_RATE_HZ_MAX = 192000; 920 sourceSampleRate = 921 (mSampleRate * mCaptureFps + mFrameRate / 2) / mFrameRate; 922 if (sourceSampleRate < mSampleRate || sourceSampleRate > SAMPLE_RATE_HZ_MAX) { 923 ALOGE("source sample rate out of range! " 924 "(mSampleRate %d, mCaptureFps %.2f, mFrameRate %d", 925 mSampleRate, mCaptureFps, mFrameRate); 926 return NULL; 927 } 928 } 929 930 sp<AudioSource> audioSource = 931 new AudioSource( 932 mAudioSource, 933 mOpPackageName, 934 sourceSampleRate, 935 mAudioChannels, 936 mSampleRate); 937 938 status_t err = audioSource->initCheck(); 939 940 if (err != OK) { 941 ALOGE("audio source is not initialized"); 942 return NULL; 943 } 944 945 sp<AMessage> format = new AMessage; 946 switch (mAudioEncoder) { 947 case AUDIO_ENCODER_AMR_NB: 948 case AUDIO_ENCODER_DEFAULT: 949 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB); 950 break; 951 case AUDIO_ENCODER_AMR_WB: 952 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB); 953 break; 954 case AUDIO_ENCODER_AAC: 955 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC); 956 format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC); 957 break; 958 case AUDIO_ENCODER_HE_AAC: 959 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC); 960 format->setInt32("aac-profile", OMX_AUDIO_AACObjectHE); 961 break; 962 case AUDIO_ENCODER_AAC_ELD: 963 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC); 964 format->setInt32("aac-profile", OMX_AUDIO_AACObjectELD); 965 break; 966 967 default: 968 ALOGE("Unknown audio encoder: %d", mAudioEncoder); 969 return NULL; 970 } 971 972 int32_t maxInputSize; 973 CHECK(audioSource->getFormat()->findInt32( 974 kKeyMaxInputSize, &maxInputSize)); 975 976 format->setInt32("max-input-size", maxInputSize); 977 format->setInt32("channel-count", mAudioChannels); 978 format->setInt32("sample-rate", mSampleRate); 979 format->setInt32("bitrate", mAudioBitRate); 980 if (mAudioTimeScale > 0) { 981 format->setInt32("time-scale", mAudioTimeScale); 982 } 983 format->setInt32("priority", 0 /* realtime */); 984 985 sp<MediaCodecSource> audioEncoder = 986 MediaCodecSource::Create(mLooper, format, audioSource); 987 mAudioSourceNode = audioSource; 988 989 if (audioEncoder == NULL) { 990 ALOGE("Failed to create audio encoder"); 991 } 992 993 return audioEncoder; 994} 995 996status_t StagefrightRecorder::setupAACRecording() { 997 // FIXME: 998 // Add support for OUTPUT_FORMAT_AAC_ADIF 999 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_AAC_ADTS); 1000 1001 CHECK(mAudioEncoder == AUDIO_ENCODER_AAC || 1002 mAudioEncoder == AUDIO_ENCODER_HE_AAC || 1003 mAudioEncoder == AUDIO_ENCODER_AAC_ELD); 1004 CHECK(mAudioSource != AUDIO_SOURCE_CNT); 1005 1006 mWriter = new AACWriter(mOutputFd); 1007 return setupRawAudioRecording(); 1008} 1009 1010status_t StagefrightRecorder::setupAMRRecording() { 1011 CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB || 1012 mOutputFormat == OUTPUT_FORMAT_AMR_WB); 1013 1014 if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) { 1015 if (mAudioEncoder != AUDIO_ENCODER_DEFAULT && 1016 mAudioEncoder != AUDIO_ENCODER_AMR_NB) { 1017 ALOGE("Invalid encoder %d used for AMRNB recording", 1018 mAudioEncoder); 1019 return BAD_VALUE; 1020 } 1021 } else { // mOutputFormat must be OUTPUT_FORMAT_AMR_WB 1022 if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) { 1023 ALOGE("Invlaid encoder %d used for AMRWB recording", 1024 mAudioEncoder); 1025 return BAD_VALUE; 1026 } 1027 } 1028 1029 mWriter = new AMRWriter(mOutputFd); 1030 return setupRawAudioRecording(); 1031} 1032 1033status_t StagefrightRecorder::setupRawAudioRecording() { 1034 if (mAudioSource >= AUDIO_SOURCE_CNT && mAudioSource != AUDIO_SOURCE_FM_TUNER) { 1035 ALOGE("Invalid audio source: %d", mAudioSource); 1036 return BAD_VALUE; 1037 } 1038 1039 status_t status = BAD_VALUE; 1040 if (OK != (status = checkAudioEncoderCapabilities())) { 1041 return status; 1042 } 1043 1044 sp<MediaCodecSource> audioEncoder = createAudioSource(); 1045 if (audioEncoder == NULL) { 1046 return UNKNOWN_ERROR; 1047 } 1048 1049 CHECK(mWriter != 0); 1050 mWriter->addSource(audioEncoder); 1051 mAudioEncoderSource = audioEncoder; 1052 1053 if (mMaxFileDurationUs != 0) { 1054 mWriter->setMaxFileDuration(mMaxFileDurationUs); 1055 } 1056 if (mMaxFileSizeBytes != 0) { 1057 mWriter->setMaxFileSize(mMaxFileSizeBytes); 1058 } 1059 mWriter->setListener(mListener); 1060 1061 return OK; 1062} 1063 1064status_t StagefrightRecorder::setupRTPRecording() { 1065 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP); 1066 1067 if ((mAudioSource != AUDIO_SOURCE_CNT 1068 && mVideoSource != VIDEO_SOURCE_LIST_END) 1069 || (mAudioSource == AUDIO_SOURCE_CNT 1070 && mVideoSource == VIDEO_SOURCE_LIST_END)) { 1071 // Must have exactly one source. 1072 return BAD_VALUE; 1073 } 1074 1075 if (mOutputFd < 0) { 1076 return BAD_VALUE; 1077 } 1078 1079 sp<MediaCodecSource> source; 1080 1081 if (mAudioSource != AUDIO_SOURCE_CNT) { 1082 source = createAudioSource(); 1083 mAudioEncoderSource = source; 1084 } else { 1085 setDefaultVideoEncoderIfNecessary(); 1086 1087 sp<MediaSource> mediaSource; 1088 status_t err = setupMediaSource(&mediaSource); 1089 if (err != OK) { 1090 return err; 1091 } 1092 1093 err = setupVideoEncoder(mediaSource, &source); 1094 if (err != OK) { 1095 return err; 1096 } 1097 mVideoEncoderSource = source; 1098 } 1099 1100 mWriter = new ARTPWriter(mOutputFd); 1101 mWriter->addSource(source); 1102 mWriter->setListener(mListener); 1103 1104 return OK; 1105} 1106 1107status_t StagefrightRecorder::setupMPEG2TSRecording() { 1108 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS); 1109 1110 sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd); 1111 1112 if (mAudioSource != AUDIO_SOURCE_CNT) { 1113 if (mAudioEncoder != AUDIO_ENCODER_AAC && 1114 mAudioEncoder != AUDIO_ENCODER_HE_AAC && 1115 mAudioEncoder != AUDIO_ENCODER_AAC_ELD) { 1116 return ERROR_UNSUPPORTED; 1117 } 1118 1119 status_t err = setupAudioEncoder(writer); 1120 1121 if (err != OK) { 1122 return err; 1123 } 1124 } 1125 1126 if (mVideoSource < VIDEO_SOURCE_LIST_END) { 1127 if (mVideoEncoder != VIDEO_ENCODER_H264) { 1128 ALOGE("MPEG2TS recording only supports H.264 encoding!"); 1129 return ERROR_UNSUPPORTED; 1130 } 1131 1132 sp<MediaSource> mediaSource; 1133 status_t err = setupMediaSource(&mediaSource); 1134 if (err != OK) { 1135 return err; 1136 } 1137 1138 sp<MediaCodecSource> encoder; 1139 err = setupVideoEncoder(mediaSource, &encoder); 1140 1141 if (err != OK) { 1142 return err; 1143 } 1144 1145 writer->addSource(encoder); 1146 mVideoEncoderSource = encoder; 1147 } 1148 1149 if (mMaxFileDurationUs != 0) { 1150 writer->setMaxFileDuration(mMaxFileDurationUs); 1151 } 1152 1153 if (mMaxFileSizeBytes != 0) { 1154 writer->setMaxFileSize(mMaxFileSizeBytes); 1155 } 1156 1157 mWriter = writer; 1158 1159 return OK; 1160} 1161 1162void StagefrightRecorder::clipVideoFrameRate() { 1163 ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder); 1164 if (mFrameRate == -1) { 1165 mFrameRate = mEncoderProfiles->getCamcorderProfileParamByName( 1166 "vid.fps", mCameraId, CAMCORDER_QUALITY_LOW); 1167 ALOGW("Using default video fps %d", mFrameRate); 1168 } 1169 1170 int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName( 1171 "enc.vid.fps.min", mVideoEncoder); 1172 int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName( 1173 "enc.vid.fps.max", mVideoEncoder); 1174 if (mFrameRate < minFrameRate && minFrameRate != -1) { 1175 ALOGW("Intended video encoding frame rate (%d fps) is too small" 1176 " and will be set to (%d fps)", mFrameRate, minFrameRate); 1177 mFrameRate = minFrameRate; 1178 } else if (mFrameRate > maxFrameRate && maxFrameRate != -1) { 1179 ALOGW("Intended video encoding frame rate (%d fps) is too large" 1180 " and will be set to (%d fps)", mFrameRate, maxFrameRate); 1181 mFrameRate = maxFrameRate; 1182 } 1183} 1184 1185void StagefrightRecorder::clipVideoBitRate() { 1186 ALOGV("clipVideoBitRate: encoder %d", mVideoEncoder); 1187 int minBitRate = mEncoderProfiles->getVideoEncoderParamByName( 1188 "enc.vid.bps.min", mVideoEncoder); 1189 int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName( 1190 "enc.vid.bps.max", mVideoEncoder); 1191 if (mVideoBitRate < minBitRate && minBitRate != -1) { 1192 ALOGW("Intended video encoding bit rate (%d bps) is too small" 1193 " and will be set to (%d bps)", mVideoBitRate, minBitRate); 1194 mVideoBitRate = minBitRate; 1195 } else if (mVideoBitRate > maxBitRate && maxBitRate != -1) { 1196 ALOGW("Intended video encoding bit rate (%d bps) is too large" 1197 " and will be set to (%d bps)", mVideoBitRate, maxBitRate); 1198 mVideoBitRate = maxBitRate; 1199 } 1200} 1201 1202void StagefrightRecorder::clipVideoFrameWidth() { 1203 ALOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder); 1204 int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( 1205 "enc.vid.width.min", mVideoEncoder); 1206 int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( 1207 "enc.vid.width.max", mVideoEncoder); 1208 if (mVideoWidth < minFrameWidth && minFrameWidth != -1) { 1209 ALOGW("Intended video encoding frame width (%d) is too small" 1210 " and will be set to (%d)", mVideoWidth, minFrameWidth); 1211 mVideoWidth = minFrameWidth; 1212 } else if (mVideoWidth > maxFrameWidth && maxFrameWidth != -1) { 1213 ALOGW("Intended video encoding frame width (%d) is too large" 1214 " and will be set to (%d)", mVideoWidth, maxFrameWidth); 1215 mVideoWidth = maxFrameWidth; 1216 } 1217} 1218 1219status_t StagefrightRecorder::checkVideoEncoderCapabilities() { 1220 if (!mCaptureFpsEnable) { 1221 // Dont clip for time lapse capture as encoder will have enough 1222 // time to encode because of slow capture rate of time lapse. 1223 clipVideoBitRate(); 1224 clipVideoFrameRate(); 1225 clipVideoFrameWidth(); 1226 clipVideoFrameHeight(); 1227 setDefaultProfileIfNecessary(); 1228 } 1229 return OK; 1230} 1231 1232// Set to use AVC baseline profile if the encoding parameters matches 1233// CAMCORDER_QUALITY_LOW profile; this is for the sake of MMS service. 1234void StagefrightRecorder::setDefaultProfileIfNecessary() { 1235 ALOGV("setDefaultProfileIfNecessary"); 1236 1237 camcorder_quality quality = CAMCORDER_QUALITY_LOW; 1238 1239 int64_t durationUs = mEncoderProfiles->getCamcorderProfileParamByName( 1240 "duration", mCameraId, quality) * 1000000LL; 1241 1242 int fileFormat = mEncoderProfiles->getCamcorderProfileParamByName( 1243 "file.format", mCameraId, quality); 1244 1245 int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1246 "vid.codec", mCameraId, quality); 1247 1248 int videoBitRate = mEncoderProfiles->getCamcorderProfileParamByName( 1249 "vid.bps", mCameraId, quality); 1250 1251 int videoFrameRate = mEncoderProfiles->getCamcorderProfileParamByName( 1252 "vid.fps", mCameraId, quality); 1253 1254 int videoFrameWidth = mEncoderProfiles->getCamcorderProfileParamByName( 1255 "vid.width", mCameraId, quality); 1256 1257 int videoFrameHeight = mEncoderProfiles->getCamcorderProfileParamByName( 1258 "vid.height", mCameraId, quality); 1259 1260 int audioCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1261 "aud.codec", mCameraId, quality); 1262 1263 int audioBitRate = mEncoderProfiles->getCamcorderProfileParamByName( 1264 "aud.bps", mCameraId, quality); 1265 1266 int audioSampleRate = mEncoderProfiles->getCamcorderProfileParamByName( 1267 "aud.hz", mCameraId, quality); 1268 1269 int audioChannels = mEncoderProfiles->getCamcorderProfileParamByName( 1270 "aud.ch", mCameraId, quality); 1271 1272 if (durationUs == mMaxFileDurationUs && 1273 fileFormat == mOutputFormat && 1274 videoCodec == mVideoEncoder && 1275 videoBitRate == mVideoBitRate && 1276 videoFrameRate == mFrameRate && 1277 videoFrameWidth == mVideoWidth && 1278 videoFrameHeight == mVideoHeight && 1279 audioCodec == mAudioEncoder && 1280 audioBitRate == mAudioBitRate && 1281 audioSampleRate == mSampleRate && 1282 audioChannels == mAudioChannels) { 1283 if (videoCodec == VIDEO_ENCODER_H264) { 1284 ALOGI("Force to use AVC baseline profile"); 1285 setParamVideoEncoderProfile(OMX_VIDEO_AVCProfileBaseline); 1286 // set 0 for invalid levels - this will be rejected by the 1287 // codec if it cannot handle it during configure 1288 setParamVideoEncoderLevel(ACodec::getAVCLevelFor( 1289 videoFrameWidth, videoFrameHeight, videoFrameRate, videoBitRate)); 1290 } 1291 } 1292} 1293 1294void StagefrightRecorder::setDefaultVideoEncoderIfNecessary() { 1295 if (mVideoEncoder == VIDEO_ENCODER_DEFAULT) { 1296 if (mOutputFormat == OUTPUT_FORMAT_WEBM) { 1297 // default to VP8 for WEBM recording 1298 mVideoEncoder = VIDEO_ENCODER_VP8; 1299 } else { 1300 // pick the default encoder for CAMCORDER_QUALITY_LOW 1301 int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1302 "vid.codec", mCameraId, CAMCORDER_QUALITY_LOW); 1303 1304 if (videoCodec > VIDEO_ENCODER_DEFAULT && 1305 videoCodec < VIDEO_ENCODER_LIST_END) { 1306 mVideoEncoder = (video_encoder)videoCodec; 1307 } else { 1308 // default to H.264 if camcorder profile not available 1309 mVideoEncoder = VIDEO_ENCODER_H264; 1310 } 1311 } 1312 } 1313} 1314 1315status_t StagefrightRecorder::checkAudioEncoderCapabilities() { 1316 clipAudioBitRate(); 1317 clipAudioSampleRate(); 1318 clipNumberOfAudioChannels(); 1319 return OK; 1320} 1321 1322void StagefrightRecorder::clipAudioBitRate() { 1323 ALOGV("clipAudioBitRate: encoder %d", mAudioEncoder); 1324 1325 int minAudioBitRate = 1326 mEncoderProfiles->getAudioEncoderParamByName( 1327 "enc.aud.bps.min", mAudioEncoder); 1328 if (minAudioBitRate != -1 && mAudioBitRate < minAudioBitRate) { 1329 ALOGW("Intended audio encoding bit rate (%d) is too small" 1330 " and will be set to (%d)", mAudioBitRate, minAudioBitRate); 1331 mAudioBitRate = minAudioBitRate; 1332 } 1333 1334 int maxAudioBitRate = 1335 mEncoderProfiles->getAudioEncoderParamByName( 1336 "enc.aud.bps.max", mAudioEncoder); 1337 if (maxAudioBitRate != -1 && mAudioBitRate > maxAudioBitRate) { 1338 ALOGW("Intended audio encoding bit rate (%d) is too large" 1339 " and will be set to (%d)", mAudioBitRate, maxAudioBitRate); 1340 mAudioBitRate = maxAudioBitRate; 1341 } 1342} 1343 1344void StagefrightRecorder::clipAudioSampleRate() { 1345 ALOGV("clipAudioSampleRate: encoder %d", mAudioEncoder); 1346 1347 int minSampleRate = 1348 mEncoderProfiles->getAudioEncoderParamByName( 1349 "enc.aud.hz.min", mAudioEncoder); 1350 if (minSampleRate != -1 && mSampleRate < minSampleRate) { 1351 ALOGW("Intended audio sample rate (%d) is too small" 1352 " and will be set to (%d)", mSampleRate, minSampleRate); 1353 mSampleRate = minSampleRate; 1354 } 1355 1356 int maxSampleRate = 1357 mEncoderProfiles->getAudioEncoderParamByName( 1358 "enc.aud.hz.max", mAudioEncoder); 1359 if (maxSampleRate != -1 && mSampleRate > maxSampleRate) { 1360 ALOGW("Intended audio sample rate (%d) is too large" 1361 " and will be set to (%d)", mSampleRate, maxSampleRate); 1362 mSampleRate = maxSampleRate; 1363 } 1364} 1365 1366void StagefrightRecorder::clipNumberOfAudioChannels() { 1367 ALOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder); 1368 1369 int minChannels = 1370 mEncoderProfiles->getAudioEncoderParamByName( 1371 "enc.aud.ch.min", mAudioEncoder); 1372 if (minChannels != -1 && mAudioChannels < minChannels) { 1373 ALOGW("Intended number of audio channels (%d) is too small" 1374 " and will be set to (%d)", mAudioChannels, minChannels); 1375 mAudioChannels = minChannels; 1376 } 1377 1378 int maxChannels = 1379 mEncoderProfiles->getAudioEncoderParamByName( 1380 "enc.aud.ch.max", mAudioEncoder); 1381 if (maxChannels != -1 && mAudioChannels > maxChannels) { 1382 ALOGW("Intended number of audio channels (%d) is too large" 1383 " and will be set to (%d)", mAudioChannels, maxChannels); 1384 mAudioChannels = maxChannels; 1385 } 1386} 1387 1388void StagefrightRecorder::clipVideoFrameHeight() { 1389 ALOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder); 1390 int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( 1391 "enc.vid.height.min", mVideoEncoder); 1392 int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( 1393 "enc.vid.height.max", mVideoEncoder); 1394 if (minFrameHeight != -1 && mVideoHeight < minFrameHeight) { 1395 ALOGW("Intended video encoding frame height (%d) is too small" 1396 " and will be set to (%d)", mVideoHeight, minFrameHeight); 1397 mVideoHeight = minFrameHeight; 1398 } else if (maxFrameHeight != -1 && mVideoHeight > maxFrameHeight) { 1399 ALOGW("Intended video encoding frame height (%d) is too large" 1400 " and will be set to (%d)", mVideoHeight, maxFrameHeight); 1401 mVideoHeight = maxFrameHeight; 1402 } 1403} 1404 1405// Set up the appropriate MediaSource depending on the chosen option 1406status_t StagefrightRecorder::setupMediaSource( 1407 sp<MediaSource> *mediaSource) { 1408 if (mVideoSource == VIDEO_SOURCE_DEFAULT 1409 || mVideoSource == VIDEO_SOURCE_CAMERA) { 1410 sp<CameraSource> cameraSource; 1411 status_t err = setupCameraSource(&cameraSource); 1412 if (err != OK) { 1413 return err; 1414 } 1415 *mediaSource = cameraSource; 1416 } else if (mVideoSource == VIDEO_SOURCE_SURFACE) { 1417 *mediaSource = NULL; 1418 } else { 1419 return INVALID_OPERATION; 1420 } 1421 return OK; 1422} 1423 1424status_t StagefrightRecorder::setupCameraSource( 1425 sp<CameraSource> *cameraSource) { 1426 status_t err = OK; 1427 if ((err = checkVideoEncoderCapabilities()) != OK) { 1428 return err; 1429 } 1430 Size videoSize; 1431 videoSize.width = mVideoWidth; 1432 videoSize.height = mVideoHeight; 1433 if (mCaptureFpsEnable) { 1434 if (mTimeBetweenCaptureUs < 0) { 1435 ALOGE("Invalid mTimeBetweenTimeLapseFrameCaptureUs value: %lld", 1436 mTimeBetweenCaptureUs); 1437 return BAD_VALUE; 1438 } 1439 1440 mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera( 1441 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid, 1442 videoSize, mFrameRate, mPreviewSurface, 1443 mTimeBetweenCaptureUs); 1444 *cameraSource = mCameraSourceTimeLapse; 1445 } else { 1446 *cameraSource = CameraSource::CreateFromCamera( 1447 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid, 1448 videoSize, mFrameRate, 1449 mPreviewSurface); 1450 } 1451 mCamera.clear(); 1452 mCameraProxy.clear(); 1453 if (*cameraSource == NULL) { 1454 return UNKNOWN_ERROR; 1455 } 1456 1457 if ((*cameraSource)->initCheck() != OK) { 1458 (*cameraSource).clear(); 1459 *cameraSource = NULL; 1460 return NO_INIT; 1461 } 1462 1463 // When frame rate is not set, the actual frame rate will be set to 1464 // the current frame rate being used. 1465 if (mFrameRate == -1) { 1466 int32_t frameRate = 0; 1467 CHECK ((*cameraSource)->getFormat()->findInt32( 1468 kKeyFrameRate, &frameRate)); 1469 ALOGI("Frame rate is not explicitly set. Use the current frame " 1470 "rate (%d fps)", frameRate); 1471 mFrameRate = frameRate; 1472 } 1473 1474 CHECK(mFrameRate != -1); 1475 1476 mIsMetaDataStoredInVideoBuffers = 1477 (*cameraSource)->isMetaDataStoredInVideoBuffers(); 1478 1479 return OK; 1480} 1481 1482status_t StagefrightRecorder::setupVideoEncoder( 1483 sp<MediaSource> cameraSource, 1484 sp<MediaCodecSource> *source) { 1485 source->clear(); 1486 1487 sp<AMessage> format = new AMessage(); 1488 1489 switch (mVideoEncoder) { 1490 case VIDEO_ENCODER_H263: 1491 format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263); 1492 break; 1493 1494 case VIDEO_ENCODER_MPEG_4_SP: 1495 format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4); 1496 break; 1497 1498 case VIDEO_ENCODER_H264: 1499 format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC); 1500 break; 1501 1502 case VIDEO_ENCODER_VP8: 1503 format->setString("mime", MEDIA_MIMETYPE_VIDEO_VP8); 1504 break; 1505 1506 case VIDEO_ENCODER_HEVC: 1507 format->setString("mime", MEDIA_MIMETYPE_VIDEO_HEVC); 1508 break; 1509 1510 default: 1511 CHECK(!"Should not be here, unsupported video encoding."); 1512 break; 1513 } 1514 1515 if (cameraSource != NULL) { 1516 sp<MetaData> meta = cameraSource->getFormat(); 1517 1518 int32_t width, height, stride, sliceHeight, colorFormat; 1519 CHECK(meta->findInt32(kKeyWidth, &width)); 1520 CHECK(meta->findInt32(kKeyHeight, &height)); 1521 CHECK(meta->findInt32(kKeyStride, &stride)); 1522 CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight)); 1523 CHECK(meta->findInt32(kKeyColorFormat, &colorFormat)); 1524 1525 format->setInt32("width", width); 1526 format->setInt32("height", height); 1527 format->setInt32("stride", stride); 1528 format->setInt32("slice-height", sliceHeight); 1529 format->setInt32("color-format", colorFormat); 1530 } else { 1531 format->setInt32("width", mVideoWidth); 1532 format->setInt32("height", mVideoHeight); 1533 format->setInt32("stride", mVideoWidth); 1534 format->setInt32("slice-height", mVideoHeight); 1535 format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque); 1536 1537 // set up time lapse/slow motion for surface source 1538 if (mCaptureFpsEnable) { 1539 if (mTimeBetweenCaptureUs <= 0) { 1540 ALOGE("Invalid mTimeBetweenCaptureUs value: %lld", 1541 mTimeBetweenCaptureUs); 1542 return BAD_VALUE; 1543 } 1544 format->setInt64("time-lapse", mTimeBetweenCaptureUs); 1545 } 1546 } 1547 1548 format->setInt32("bitrate", mVideoBitRate); 1549 format->setInt32("frame-rate", mFrameRate); 1550 format->setInt32("i-frame-interval", mIFramesIntervalSec); 1551 1552 if (mVideoTimeScale > 0) { 1553 format->setInt32("time-scale", mVideoTimeScale); 1554 } 1555 if (mVideoEncoderProfile != -1) { 1556 format->setInt32("profile", mVideoEncoderProfile); 1557 } 1558 if (mVideoEncoderLevel != -1) { 1559 format->setInt32("level", mVideoEncoderLevel); 1560 } 1561 1562 format->setInt32("priority", 0 /* realtime */); 1563 if (mCaptureFpsEnable) { 1564 format->setFloat("operating-rate", mCaptureFps); 1565 } 1566 1567 uint32_t flags = 0; 1568 if (mIsMetaDataStoredInVideoBuffers) { 1569 flags |= MediaCodecSource::FLAG_USE_METADATA_INPUT; 1570 } 1571 1572 if (cameraSource == NULL) { 1573 flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT; 1574 } else { 1575 // require dataspace setup even if not using surface input 1576 format->setInt32("android._using-recorder", 1); 1577 } 1578 1579 sp<MediaCodecSource> encoder = MediaCodecSource::Create( 1580 mLooper, format, cameraSource, mPersistentSurface, flags); 1581 if (encoder == NULL) { 1582 ALOGE("Failed to create video encoder"); 1583 // When the encoder fails to be created, we need 1584 // release the camera source due to the camera's lock 1585 // and unlock mechanism. 1586 if (cameraSource != NULL) { 1587 cameraSource->stop(); 1588 } 1589 return UNKNOWN_ERROR; 1590 } 1591 1592 if (cameraSource == NULL) { 1593 mGraphicBufferProducer = encoder->getGraphicBufferProducer(); 1594 } 1595 1596 *source = encoder; 1597 1598 return OK; 1599} 1600 1601status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) { 1602 status_t status = BAD_VALUE; 1603 if (OK != (status = checkAudioEncoderCapabilities())) { 1604 return status; 1605 } 1606 1607 switch(mAudioEncoder) { 1608 case AUDIO_ENCODER_AMR_NB: 1609 case AUDIO_ENCODER_AMR_WB: 1610 case AUDIO_ENCODER_AAC: 1611 case AUDIO_ENCODER_HE_AAC: 1612 case AUDIO_ENCODER_AAC_ELD: 1613 break; 1614 1615 default: 1616 ALOGE("Unsupported audio encoder: %d", mAudioEncoder); 1617 return UNKNOWN_ERROR; 1618 } 1619 1620 sp<MediaCodecSource> audioEncoder = createAudioSource(); 1621 if (audioEncoder == NULL) { 1622 return UNKNOWN_ERROR; 1623 } 1624 1625 writer->addSource(audioEncoder); 1626 mAudioEncoderSource = audioEncoder; 1627 return OK; 1628} 1629 1630status_t StagefrightRecorder::setupMPEG4orWEBMRecording() { 1631 mWriter.clear(); 1632 mTotalBitRate = 0; 1633 1634 status_t err = OK; 1635 sp<MediaWriter> writer; 1636 sp<MPEG4Writer> mp4writer; 1637 if (mOutputFormat == OUTPUT_FORMAT_WEBM) { 1638 writer = new WebmWriter(mOutputFd); 1639 } else { 1640 writer = mp4writer = new MPEG4Writer(mOutputFd); 1641 } 1642 1643 if (mVideoSource < VIDEO_SOURCE_LIST_END) { 1644 setDefaultVideoEncoderIfNecessary(); 1645 1646 sp<MediaSource> mediaSource; 1647 err = setupMediaSource(&mediaSource); 1648 if (err != OK) { 1649 return err; 1650 } 1651 1652 sp<MediaCodecSource> encoder; 1653 err = setupVideoEncoder(mediaSource, &encoder); 1654 if (err != OK) { 1655 return err; 1656 } 1657 1658 writer->addSource(encoder); 1659 mVideoEncoderSource = encoder; 1660 mTotalBitRate += mVideoBitRate; 1661 } 1662 1663 if (mOutputFormat != OUTPUT_FORMAT_WEBM) { 1664 // Audio source is added at the end if it exists. 1665 // This help make sure that the "recoding" sound is suppressed for 1666 // camcorder applications in the recorded files. 1667 // TODO Audio source is currently unsupported for webm output; vorbis encoder needed. 1668 // disable audio for time lapse recording 1669 bool disableAudio = mCaptureFpsEnable && mCaptureFps < mFrameRate; 1670 if (!disableAudio && mAudioSource != AUDIO_SOURCE_CNT) { 1671 err = setupAudioEncoder(writer); 1672 if (err != OK) return err; 1673 mTotalBitRate += mAudioBitRate; 1674 } 1675 1676 if (mCaptureFpsEnable) { 1677 mp4writer->setCaptureRate(mCaptureFps); 1678 } 1679 1680 if (mInterleaveDurationUs > 0) { 1681 mp4writer->setInterleaveDuration(mInterleaveDurationUs); 1682 } 1683 if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) { 1684 mp4writer->setGeoData(mLatitudex10000, mLongitudex10000); 1685 } 1686 } 1687 if (mMaxFileDurationUs != 0) { 1688 writer->setMaxFileDuration(mMaxFileDurationUs); 1689 } 1690 if (mMaxFileSizeBytes != 0) { 1691 writer->setMaxFileSize(mMaxFileSizeBytes); 1692 } 1693 if (mVideoSource == VIDEO_SOURCE_DEFAULT 1694 || mVideoSource == VIDEO_SOURCE_CAMERA) { 1695 mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId); 1696 } else if (mVideoSource == VIDEO_SOURCE_SURFACE) { 1697 // surface source doesn't need large initial delay 1698 mStartTimeOffsetMs = 200; 1699 } 1700 if (mStartTimeOffsetMs > 0) { 1701 writer->setStartTimeOffsetMs(mStartTimeOffsetMs); 1702 } 1703 1704 writer->setListener(mListener); 1705 mWriter = writer; 1706 return OK; 1707} 1708 1709void StagefrightRecorder::setupMPEG4orWEBMMetaData(sp<MetaData> *meta) { 1710 int64_t startTimeUs = systemTime() / 1000; 1711 (*meta)->setInt64(kKeyTime, startTimeUs); 1712 (*meta)->setInt32(kKeyFileType, mOutputFormat); 1713 (*meta)->setInt32(kKeyBitRate, mTotalBitRate); 1714 if (mMovieTimeScale > 0) { 1715 (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale); 1716 } 1717 if (mOutputFormat != OUTPUT_FORMAT_WEBM) { 1718 (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset); 1719 if (mTrackEveryTimeDurationUs > 0) { 1720 (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs); 1721 } 1722 if (mRotationDegrees != 0) { 1723 (*meta)->setInt32(kKeyRotation, mRotationDegrees); 1724 } 1725 } 1726} 1727 1728status_t StagefrightRecorder::pause() { 1729 ALOGV("pause"); 1730 if (!mStarted) { 1731 return INVALID_OPERATION; 1732 } 1733 1734 // Already paused --- no-op. 1735 if (mPauseStartTimeUs != 0) { 1736 return OK; 1737 } 1738 1739 if (mAudioEncoderSource != NULL) { 1740 mAudioEncoderSource->pause(); 1741 } 1742 if (mVideoEncoderSource != NULL) { 1743 mVideoEncoderSource->pause(); 1744 } 1745 1746 mPauseStartTimeUs = systemTime() / 1000; 1747 1748 return OK; 1749} 1750 1751status_t StagefrightRecorder::resume() { 1752 ALOGV("resume"); 1753 if (!mStarted) { 1754 return INVALID_OPERATION; 1755 } 1756 1757 // Not paused --- no-op. 1758 if (mPauseStartTimeUs == 0) { 1759 return OK; 1760 } 1761 1762 // 30 ms buffer to avoid timestamp overlap 1763 mTotalPausedDurationUs += (systemTime() / 1000) - mPauseStartTimeUs - 30000; 1764 if (mAudioEncoderSource != NULL) { 1765 mAudioEncoderSource->setInputBufferTimeOffset(-mTotalPausedDurationUs); 1766 mAudioEncoderSource->start(); 1767 } 1768 if (mVideoEncoderSource != NULL) { 1769 mVideoEncoderSource->setInputBufferTimeOffset(-mTotalPausedDurationUs); 1770 mVideoEncoderSource->start(); 1771 } 1772 mPauseStartTimeUs = 0; 1773 1774 return OK; 1775} 1776 1777status_t StagefrightRecorder::stop() { 1778 ALOGV("stop"); 1779 status_t err = OK; 1780 1781 if (mCaptureFpsEnable && mCameraSourceTimeLapse != NULL) { 1782 mCameraSourceTimeLapse->startQuickReadReturns(); 1783 mCameraSourceTimeLapse = NULL; 1784 } 1785 1786 if (mWriter != NULL) { 1787 err = mWriter->stop(); 1788 mWriter.clear(); 1789 } 1790 mTotalPausedDurationUs = 0; 1791 1792 mGraphicBufferProducer.clear(); 1793 mPersistentSurface.clear(); 1794 mAudioEncoderSource.clear(); 1795 mVideoEncoderSource.clear(); 1796 1797 if (mOutputFd >= 0) { 1798 ::close(mOutputFd); 1799 mOutputFd = -1; 1800 } 1801 1802 if (mStarted) { 1803 mStarted = false; 1804 1805 uint32_t params = 0; 1806 if (mAudioSource != AUDIO_SOURCE_CNT) { 1807 params |= IMediaPlayerService::kBatteryDataTrackAudio; 1808 } 1809 if (mVideoSource != VIDEO_SOURCE_LIST_END) { 1810 params |= IMediaPlayerService::kBatteryDataTrackVideo; 1811 } 1812 1813 addBatteryData(params); 1814 } 1815 1816 return err; 1817} 1818 1819status_t StagefrightRecorder::close() { 1820 ALOGV("close"); 1821 stop(); 1822 1823 return OK; 1824} 1825 1826status_t StagefrightRecorder::reset() { 1827 ALOGV("reset"); 1828 stop(); 1829 1830 // No audio or video source by default 1831 mAudioSource = AUDIO_SOURCE_CNT; 1832 mVideoSource = VIDEO_SOURCE_LIST_END; 1833 1834 // Default parameters 1835 mOutputFormat = OUTPUT_FORMAT_THREE_GPP; 1836 mAudioEncoder = AUDIO_ENCODER_AMR_NB; 1837 mVideoEncoder = VIDEO_ENCODER_DEFAULT; 1838 mVideoWidth = 176; 1839 mVideoHeight = 144; 1840 mFrameRate = -1; 1841 mVideoBitRate = 192000; 1842 mSampleRate = 8000; 1843 mAudioChannels = 1; 1844 mAudioBitRate = 12200; 1845 mInterleaveDurationUs = 0; 1846 mIFramesIntervalSec = 1; 1847 mAudioSourceNode = 0; 1848 mUse64BitFileOffset = false; 1849 mMovieTimeScale = -1; 1850 mAudioTimeScale = -1; 1851 mVideoTimeScale = -1; 1852 mCameraId = 0; 1853 mStartTimeOffsetMs = -1; 1854 mVideoEncoderProfile = -1; 1855 mVideoEncoderLevel = -1; 1856 mMaxFileDurationUs = 0; 1857 mMaxFileSizeBytes = 0; 1858 mTrackEveryTimeDurationUs = 0; 1859 mCaptureFpsEnable = false; 1860 mCaptureFps = 0.0f; 1861 mTimeBetweenCaptureUs = -1; 1862 mCameraSourceTimeLapse = NULL; 1863 mIsMetaDataStoredInVideoBuffers = false; 1864 mEncoderProfiles = MediaProfiles::getInstance(); 1865 mRotationDegrees = 0; 1866 mLatitudex10000 = -3600000; 1867 mLongitudex10000 = -3600000; 1868 mTotalBitRate = 0; 1869 1870 mOutputFd = -1; 1871 mPauseStartTimeUs = 0; 1872 1873 return OK; 1874} 1875 1876status_t StagefrightRecorder::getMaxAmplitude(int *max) { 1877 ALOGV("getMaxAmplitude"); 1878 1879 if (max == NULL) { 1880 ALOGE("Null pointer argument"); 1881 return BAD_VALUE; 1882 } 1883 1884 if (mAudioSourceNode != 0) { 1885 *max = mAudioSourceNode->getMaxAmplitude(); 1886 } else { 1887 *max = 0; 1888 } 1889 1890 return OK; 1891} 1892 1893status_t StagefrightRecorder::dump( 1894 int fd, const Vector<String16>& args) const { 1895 ALOGV("dump"); 1896 const size_t SIZE = 256; 1897 char buffer[SIZE]; 1898 String8 result; 1899 if (mWriter != 0) { 1900 mWriter->dump(fd, args); 1901 } else { 1902 snprintf(buffer, SIZE, " No file writer\n"); 1903 result.append(buffer); 1904 } 1905 snprintf(buffer, SIZE, " Recorder: %p\n", this); 1906 snprintf(buffer, SIZE, " Output file (fd %d):\n", mOutputFd); 1907 result.append(buffer); 1908 snprintf(buffer, SIZE, " File format: %d\n", mOutputFormat); 1909 result.append(buffer); 1910 snprintf(buffer, SIZE, " Max file size (bytes): %" PRId64 "\n", mMaxFileSizeBytes); 1911 result.append(buffer); 1912 snprintf(buffer, SIZE, " Max file duration (us): %" PRId64 "\n", mMaxFileDurationUs); 1913 result.append(buffer); 1914 snprintf(buffer, SIZE, " File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32); 1915 result.append(buffer); 1916 snprintf(buffer, SIZE, " Interleave duration (us): %d\n", mInterleaveDurationUs); 1917 result.append(buffer); 1918 snprintf(buffer, SIZE, " Progress notification: %" PRId64 " us\n", mTrackEveryTimeDurationUs); 1919 result.append(buffer); 1920 snprintf(buffer, SIZE, " Audio\n"); 1921 result.append(buffer); 1922 snprintf(buffer, SIZE, " Source: %d\n", mAudioSource); 1923 result.append(buffer); 1924 snprintf(buffer, SIZE, " Encoder: %d\n", mAudioEncoder); 1925 result.append(buffer); 1926 snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mAudioBitRate); 1927 result.append(buffer); 1928 snprintf(buffer, SIZE, " Sampling rate (hz): %d\n", mSampleRate); 1929 result.append(buffer); 1930 snprintf(buffer, SIZE, " Number of channels: %d\n", mAudioChannels); 1931 result.append(buffer); 1932 snprintf(buffer, SIZE, " Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude()); 1933 result.append(buffer); 1934 snprintf(buffer, SIZE, " Video\n"); 1935 result.append(buffer); 1936 snprintf(buffer, SIZE, " Source: %d\n", mVideoSource); 1937 result.append(buffer); 1938 snprintf(buffer, SIZE, " Camera Id: %d\n", mCameraId); 1939 result.append(buffer); 1940 snprintf(buffer, SIZE, " Start time offset (ms): %d\n", mStartTimeOffsetMs); 1941 result.append(buffer); 1942 snprintf(buffer, SIZE, " Encoder: %d\n", mVideoEncoder); 1943 result.append(buffer); 1944 snprintf(buffer, SIZE, " Encoder profile: %d\n", mVideoEncoderProfile); 1945 result.append(buffer); 1946 snprintf(buffer, SIZE, " Encoder level: %d\n", mVideoEncoderLevel); 1947 result.append(buffer); 1948 snprintf(buffer, SIZE, " I frames interval (s): %d\n", mIFramesIntervalSec); 1949 result.append(buffer); 1950 snprintf(buffer, SIZE, " Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight); 1951 result.append(buffer); 1952 snprintf(buffer, SIZE, " Frame rate (fps): %d\n", mFrameRate); 1953 result.append(buffer); 1954 snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mVideoBitRate); 1955 result.append(buffer); 1956 ::write(fd, result.string(), result.size()); 1957 return OK; 1958} 1959} // namespace android 1960