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 <binder/IPCThreadState.h> 26 #include <binder/IServiceManager.h> 27 28 #include <media/IMediaPlayerService.h> 29 #include <media/stagefright/foundation/ABuffer.h> 30 #include <media/stagefright/foundation/ADebug.h> 31 #include <media/stagefright/foundation/AMessage.h> 32 #include <media/stagefright/foundation/ALooper.h> 33 #include <media/stagefright/ACodec.h> 34 #include <media/stagefright/AudioSource.h> 35 #include <media/stagefright/AMRWriter.h> 36 #include <media/stagefright/AACWriter.h> 37 #include <media/stagefright/CameraSource.h> 38 #include <media/stagefright/CameraSourceTimeLapse.h> 39 #include <media/stagefright/MPEG2TSWriter.h> 40 #include <media/stagefright/MPEG4Writer.h> 41 #include <media/stagefright/MediaDefs.h> 42 #include <media/stagefright/MetaData.h> 43 #include <media/stagefright/MediaCodecSource.h> 44 #include <media/stagefright/OMXClient.h> 45 #include <media/stagefright/OMXCodec.h> 46 #include <media/MediaProfiles.h> 47 #include <camera/ICamera.h> 48 #include <camera/CameraParameters.h> 49 50 #include <utils/Errors.h> 51 #include <sys/types.h> 52 #include <ctype.h> 53 #include <unistd.h> 54 55 #include <system/audio.h> 56 57 #include "ARTPWriter.h" 58 59 namespace android { 60 61 // To collect the encoder usage for the battery app 62 static void addBatteryData(uint32_t params) { 63 sp<IBinder> binder = 64 defaultServiceManager()->getService(String16("media.player")); 65 sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder); 66 CHECK(service.get() != NULL); 67 68 service->addBatteryData(params); 69 } 70 71 72 StagefrightRecorder::StagefrightRecorder(const String16 &opPackageName) 73 : MediaRecorderBase(opPackageName), 74 mWriter(NULL), 75 mOutputFd(-1), 76 mAudioSource(AUDIO_SOURCE_CNT), 77 mVideoSource(VIDEO_SOURCE_LIST_END), 78 mStarted(false) { 79 80 ALOGV("Constructor"); 81 reset(); 82 } 83 84 StagefrightRecorder::~StagefrightRecorder() { 85 ALOGV("Destructor"); 86 stop(); 87 88 if (mLooper != NULL) { 89 mLooper->stop(); 90 } 91 } 92 93 status_t StagefrightRecorder::init() { 94 ALOGV("init"); 95 96 mLooper = new ALooper; 97 mLooper->setName("recorder_looper"); 98 mLooper->start(); 99 100 return OK; 101 } 102 103 // The client side of mediaserver asks it to creat a SurfaceMediaSource 104 // and return a interface reference. The client side will use that 105 // while encoding GL Frames 106 sp<IGraphicBufferProducer> StagefrightRecorder::querySurfaceMediaSource() const { 107 ALOGV("Get SurfaceMediaSource"); 108 return mGraphicBufferProducer; 109 } 110 111 status_t StagefrightRecorder::setAudioSource(audio_source_t as) { 112 ALOGV("setAudioSource: %d", as); 113 if (as < AUDIO_SOURCE_DEFAULT || 114 (as >= AUDIO_SOURCE_CNT && as != AUDIO_SOURCE_FM_TUNER)) { 115 ALOGE("Invalid audio source: %d", as); 116 return BAD_VALUE; 117 } 118 119 if (as == AUDIO_SOURCE_DEFAULT) { 120 mAudioSource = AUDIO_SOURCE_MIC; 121 } else { 122 mAudioSource = as; 123 } 124 125 return OK; 126 } 127 128 status_t StagefrightRecorder::setVideoSource(video_source vs) { 129 ALOGV("setVideoSource: %d", vs); 130 if (vs < VIDEO_SOURCE_DEFAULT || 131 vs >= VIDEO_SOURCE_LIST_END) { 132 ALOGE("Invalid video source: %d", vs); 133 return BAD_VALUE; 134 } 135 136 if (vs == VIDEO_SOURCE_DEFAULT) { 137 mVideoSource = VIDEO_SOURCE_CAMERA; 138 } else { 139 mVideoSource = vs; 140 } 141 142 return OK; 143 } 144 145 status_t StagefrightRecorder::setOutputFormat(output_format of) { 146 ALOGV("setOutputFormat: %d", of); 147 if (of < OUTPUT_FORMAT_DEFAULT || 148 of >= OUTPUT_FORMAT_LIST_END) { 149 ALOGE("Invalid output format: %d", of); 150 return BAD_VALUE; 151 } 152 153 if (of == OUTPUT_FORMAT_DEFAULT) { 154 mOutputFormat = OUTPUT_FORMAT_THREE_GPP; 155 } else { 156 mOutputFormat = of; 157 } 158 159 return OK; 160 } 161 162 status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) { 163 ALOGV("setAudioEncoder: %d", ae); 164 if (ae < AUDIO_ENCODER_DEFAULT || 165 ae >= AUDIO_ENCODER_LIST_END) { 166 ALOGE("Invalid audio encoder: %d", ae); 167 return BAD_VALUE; 168 } 169 170 if (ae == AUDIO_ENCODER_DEFAULT) { 171 mAudioEncoder = AUDIO_ENCODER_AMR_NB; 172 } else { 173 mAudioEncoder = ae; 174 } 175 176 return OK; 177 } 178 179 status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) { 180 ALOGV("setVideoEncoder: %d", ve); 181 if (ve < VIDEO_ENCODER_DEFAULT || 182 ve >= VIDEO_ENCODER_LIST_END) { 183 ALOGE("Invalid video encoder: %d", ve); 184 return BAD_VALUE; 185 } 186 187 mVideoEncoder = ve; 188 189 return OK; 190 } 191 192 status_t StagefrightRecorder::setVideoSize(int width, int height) { 193 ALOGV("setVideoSize: %dx%d", width, height); 194 if (width <= 0 || height <= 0) { 195 ALOGE("Invalid video size: %dx%d", width, height); 196 return BAD_VALUE; 197 } 198 199 // Additional check on the dimension will be performed later 200 mVideoWidth = width; 201 mVideoHeight = height; 202 203 return OK; 204 } 205 206 status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) { 207 ALOGV("setVideoFrameRate: %d", frames_per_second); 208 if ((frames_per_second <= 0 && frames_per_second != -1) || 209 frames_per_second > kMaxHighSpeedFps) { 210 ALOGE("Invalid video frame rate: %d", frames_per_second); 211 return BAD_VALUE; 212 } 213 214 // Additional check on the frame rate will be performed later 215 mFrameRate = frames_per_second; 216 217 return OK; 218 } 219 220 status_t StagefrightRecorder::setCamera(const sp<ICamera> &camera, 221 const sp<ICameraRecordingProxy> &proxy) { 222 ALOGV("setCamera"); 223 if (camera == 0) { 224 ALOGE("camera is NULL"); 225 return BAD_VALUE; 226 } 227 if (proxy == 0) { 228 ALOGE("camera proxy is NULL"); 229 return BAD_VALUE; 230 } 231 232 mCamera = camera; 233 mCameraProxy = proxy; 234 return OK; 235 } 236 237 status_t StagefrightRecorder::setPreviewSurface(const sp<IGraphicBufferProducer> &surface) { 238 ALOGV("setPreviewSurface: %p", surface.get()); 239 mPreviewSurface = surface; 240 241 return OK; 242 } 243 244 status_t StagefrightRecorder::setInputSurface( 245 const sp<IGraphicBufferConsumer>& surface) { 246 mPersistentSurface = surface; 247 248 return OK; 249 } 250 251 status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) { 252 ALOGV("setOutputFile: %d, %lld, %lld", fd, offset, length); 253 // These don't make any sense, do they? 254 CHECK_EQ(offset, 0ll); 255 CHECK_EQ(length, 0ll); 256 257 if (fd < 0) { 258 ALOGE("Invalid file descriptor: %d", fd); 259 return -EBADF; 260 } 261 262 // start with a clean, empty file 263 ftruncate(fd, 0); 264 265 if (mOutputFd >= 0) { 266 ::close(mOutputFd); 267 } 268 mOutputFd = dup(fd); 269 270 return OK; 271 } 272 273 // Attempt to parse an float literal optionally surrounded by whitespace, 274 // returns true on success, false otherwise. 275 static bool safe_strtof(const char *s, float *val) { 276 char *end; 277 278 // It is lame, but according to man page, we have to set errno to 0 279 // before calling strtof(). 280 errno = 0; 281 *val = strtof(s, &end); 282 283 if (end == s || errno == ERANGE) { 284 return false; 285 } 286 287 // Skip trailing whitespace 288 while (isspace(*end)) { 289 ++end; 290 } 291 292 // For a successful return, the string must contain nothing but a valid 293 // float literal optionally surrounded by whitespace. 294 295 return *end == '\0'; 296 } 297 298 // Attempt to parse an int64 literal optionally surrounded by whitespace, 299 // returns true on success, false otherwise. 300 static bool safe_strtoi64(const char *s, int64_t *val) { 301 char *end; 302 303 // It is lame, but according to man page, we have to set errno to 0 304 // before calling strtoll(). 305 errno = 0; 306 *val = strtoll(s, &end, 10); 307 308 if (end == s || errno == ERANGE) { 309 return false; 310 } 311 312 // Skip trailing whitespace 313 while (isspace(*end)) { 314 ++end; 315 } 316 317 // For a successful return, the string must contain nothing but a valid 318 // int64 literal optionally surrounded by whitespace. 319 320 return *end == '\0'; 321 } 322 323 // Return true if the value is in [0, 0x007FFFFFFF] 324 static bool safe_strtoi32(const char *s, int32_t *val) { 325 int64_t temp; 326 if (safe_strtoi64(s, &temp)) { 327 if (temp >= 0 && temp <= 0x007FFFFFFF) { 328 *val = static_cast<int32_t>(temp); 329 return true; 330 } 331 } 332 return false; 333 } 334 335 // Trim both leading and trailing whitespace from the given string. 336 static void TrimString(String8 *s) { 337 size_t num_bytes = s->bytes(); 338 const char *data = s->string(); 339 340 size_t leading_space = 0; 341 while (leading_space < num_bytes && isspace(data[leading_space])) { 342 ++leading_space; 343 } 344 345 size_t i = num_bytes; 346 while (i > leading_space && isspace(data[i - 1])) { 347 --i; 348 } 349 350 s->setTo(String8(&data[leading_space], i - leading_space)); 351 } 352 353 status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) { 354 ALOGV("setParamAudioSamplingRate: %d", sampleRate); 355 if (sampleRate <= 0) { 356 ALOGE("Invalid audio sampling rate: %d", sampleRate); 357 return BAD_VALUE; 358 } 359 360 // Additional check on the sample rate will be performed later. 361 mSampleRate = sampleRate; 362 return OK; 363 } 364 365 status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) { 366 ALOGV("setParamAudioNumberOfChannels: %d", channels); 367 if (channels <= 0 || channels >= 3) { 368 ALOGE("Invalid number of audio channels: %d", channels); 369 return BAD_VALUE; 370 } 371 372 // Additional check on the number of channels will be performed later. 373 mAudioChannels = channels; 374 return OK; 375 } 376 377 status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) { 378 ALOGV("setParamAudioEncodingBitRate: %d", bitRate); 379 if (bitRate <= 0) { 380 ALOGE("Invalid audio encoding bit rate: %d", bitRate); 381 return BAD_VALUE; 382 } 383 384 // The target bit rate may not be exactly the same as the requested. 385 // It depends on many factors, such as rate control, and the bit rate 386 // range that a specific encoder supports. The mismatch between the 387 // the target and requested bit rate will NOT be treated as an error. 388 mAudioBitRate = bitRate; 389 return OK; 390 } 391 392 status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) { 393 ALOGV("setParamVideoEncodingBitRate: %d", bitRate); 394 if (bitRate <= 0) { 395 ALOGE("Invalid video encoding bit rate: %d", bitRate); 396 return BAD_VALUE; 397 } 398 399 // The target bit rate may not be exactly the same as the requested. 400 // It depends on many factors, such as rate control, and the bit rate 401 // range that a specific encoder supports. The mismatch between the 402 // the target and requested bit rate will NOT be treated as an error. 403 mVideoBitRate = bitRate; 404 return OK; 405 } 406 407 // Always rotate clockwise, and only support 0, 90, 180 and 270 for now. 408 status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) { 409 ALOGV("setParamVideoRotation: %d", degrees); 410 if (degrees < 0 || degrees % 90 != 0) { 411 ALOGE("Unsupported video rotation angle: %d", degrees); 412 return BAD_VALUE; 413 } 414 mRotationDegrees = degrees % 360; 415 return OK; 416 } 417 418 status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) { 419 ALOGV("setParamMaxFileDurationUs: %lld us", timeUs); 420 421 // This is meant for backward compatibility for MediaRecorder.java 422 if (timeUs <= 0) { 423 ALOGW("Max file duration is not positive: %lld us. Disabling duration limit.", 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", timeUs); 427 return BAD_VALUE; 428 } 429 430 if (timeUs <= 15 * 1000000LL) { 431 ALOGW("Target duration (%lld us) too short to be respected", timeUs); 432 } 433 mMaxFileDurationUs = timeUs; 434 return OK; 435 } 436 437 status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) { 438 ALOGV("setParamMaxFileSizeBytes: %lld bytes", 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.", 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", 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", bytes); 452 } 453 454 mMaxFileSizeBytes = bytes; 455 return OK; 456 } 457 458 status_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 480 status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) { 481 ALOGV("setParamVideoIFramesInterval: %d seconds", seconds); 482 mIFramesIntervalSec = seconds; 483 return OK; 484 } 485 486 status_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 } 492 493 status_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 } 501 502 status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) { 503 ALOGV("setParamTrackTimeStatus: %lld", timeDurationUs); 504 if (timeDurationUs < 20000) { // Infeasible if shorter than 20 ms? 505 ALOGE("Tracking time duration too short: %lld us", timeDurationUs); 506 return BAD_VALUE; 507 } 508 mTrackEveryTimeDurationUs = timeDurationUs; 509 return OK; 510 } 511 512 status_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 } 520 521 status_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 } 529 530 status_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 } 542 543 status_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 } 555 556 status_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 } 567 568 status_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 } 580 581 status_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]", timeUs); 589 return BAD_VALUE; 590 } 591 592 mCaptureFps = fps; 593 mTimeBetweenCaptureUs = timeUs; 594 return OK; 595 } 596 597 status_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 } 606 607 status_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 } 616 617 status_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(), °rees)) { 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 } 730 731 status_t StagefrightRecorder::setParameters(const String8 ¶ms) { 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 } 765 766 status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) { 767 mListener = listener; 768 769 return OK; 770 } 771 772 status_t StagefrightRecorder::setClientName(const String16& clientName) { 773 mClientName = clientName; 774 775 return OK; 776 } 777 778 status_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 here for permission checking 786 mClientUid = IPCThreadState::self()->getCallingUid(); 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 } 824 825 status_t StagefrightRecorder::prepare() { 826 if (mVideoSource == VIDEO_SOURCE_SURFACE) { 827 return prepareInternal(); 828 } 829 return OK; 830 } 831 832 status_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 } 909 910 sp<MediaSource> 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<MediaSource> 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 } 995 996 status_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 1010 status_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 1033 status_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<MediaSource> audioEncoder = createAudioSource(); 1045 if (audioEncoder == NULL) { 1046 return UNKNOWN_ERROR; 1047 } 1048 1049 CHECK(mWriter != 0); 1050 mWriter->addSource(audioEncoder); 1051 1052 if (mMaxFileDurationUs != 0) { 1053 mWriter->setMaxFileDuration(mMaxFileDurationUs); 1054 } 1055 if (mMaxFileSizeBytes != 0) { 1056 mWriter->setMaxFileSize(mMaxFileSizeBytes); 1057 } 1058 mWriter->setListener(mListener); 1059 1060 return OK; 1061 } 1062 1063 status_t StagefrightRecorder::setupRTPRecording() { 1064 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP); 1065 1066 if ((mAudioSource != AUDIO_SOURCE_CNT 1067 && mVideoSource != VIDEO_SOURCE_LIST_END) 1068 || (mAudioSource == AUDIO_SOURCE_CNT 1069 && mVideoSource == VIDEO_SOURCE_LIST_END)) { 1070 // Must have exactly one source. 1071 return BAD_VALUE; 1072 } 1073 1074 if (mOutputFd < 0) { 1075 return BAD_VALUE; 1076 } 1077 1078 sp<MediaSource> source; 1079 1080 if (mAudioSource != AUDIO_SOURCE_CNT) { 1081 source = createAudioSource(); 1082 } else { 1083 setDefaultVideoEncoderIfNecessary(); 1084 1085 sp<MediaSource> mediaSource; 1086 status_t err = setupMediaSource(&mediaSource); 1087 if (err != OK) { 1088 return err; 1089 } 1090 1091 err = setupVideoEncoder(mediaSource, &source); 1092 if (err != OK) { 1093 return err; 1094 } 1095 } 1096 1097 mWriter = new ARTPWriter(mOutputFd); 1098 mWriter->addSource(source); 1099 mWriter->setListener(mListener); 1100 1101 return OK; 1102 } 1103 1104 status_t StagefrightRecorder::setupMPEG2TSRecording() { 1105 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS); 1106 1107 sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd); 1108 1109 if (mAudioSource != AUDIO_SOURCE_CNT) { 1110 if (mAudioEncoder != AUDIO_ENCODER_AAC && 1111 mAudioEncoder != AUDIO_ENCODER_HE_AAC && 1112 mAudioEncoder != AUDIO_ENCODER_AAC_ELD) { 1113 return ERROR_UNSUPPORTED; 1114 } 1115 1116 status_t err = setupAudioEncoder(writer); 1117 1118 if (err != OK) { 1119 return err; 1120 } 1121 } 1122 1123 if (mVideoSource < VIDEO_SOURCE_LIST_END) { 1124 if (mVideoEncoder != VIDEO_ENCODER_H264) { 1125 ALOGE("MPEG2TS recording only supports H.264 encoding!"); 1126 return ERROR_UNSUPPORTED; 1127 } 1128 1129 sp<MediaSource> mediaSource; 1130 status_t err = setupMediaSource(&mediaSource); 1131 if (err != OK) { 1132 return err; 1133 } 1134 1135 sp<MediaSource> encoder; 1136 err = setupVideoEncoder(mediaSource, &encoder); 1137 1138 if (err != OK) { 1139 return err; 1140 } 1141 1142 writer->addSource(encoder); 1143 } 1144 1145 if (mMaxFileDurationUs != 0) { 1146 writer->setMaxFileDuration(mMaxFileDurationUs); 1147 } 1148 1149 if (mMaxFileSizeBytes != 0) { 1150 writer->setMaxFileSize(mMaxFileSizeBytes); 1151 } 1152 1153 mWriter = writer; 1154 1155 return OK; 1156 } 1157 1158 void StagefrightRecorder::clipVideoFrameRate() { 1159 ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder); 1160 if (mFrameRate == -1) { 1161 mFrameRate = mEncoderProfiles->getCamcorderProfileParamByName( 1162 "vid.fps", mCameraId, CAMCORDER_QUALITY_LOW); 1163 ALOGW("Using default video fps %d", mFrameRate); 1164 } 1165 1166 int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName( 1167 "enc.vid.fps.min", mVideoEncoder); 1168 int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName( 1169 "enc.vid.fps.max", mVideoEncoder); 1170 if (mFrameRate < minFrameRate && minFrameRate != -1) { 1171 ALOGW("Intended video encoding frame rate (%d fps) is too small" 1172 " and will be set to (%d fps)", mFrameRate, minFrameRate); 1173 mFrameRate = minFrameRate; 1174 } else if (mFrameRate > maxFrameRate && maxFrameRate != -1) { 1175 ALOGW("Intended video encoding frame rate (%d fps) is too large" 1176 " and will be set to (%d fps)", mFrameRate, maxFrameRate); 1177 mFrameRate = maxFrameRate; 1178 } 1179 } 1180 1181 void StagefrightRecorder::clipVideoBitRate() { 1182 ALOGV("clipVideoBitRate: encoder %d", mVideoEncoder); 1183 int minBitRate = mEncoderProfiles->getVideoEncoderParamByName( 1184 "enc.vid.bps.min", mVideoEncoder); 1185 int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName( 1186 "enc.vid.bps.max", mVideoEncoder); 1187 if (mVideoBitRate < minBitRate && minBitRate != -1) { 1188 ALOGW("Intended video encoding bit rate (%d bps) is too small" 1189 " and will be set to (%d bps)", mVideoBitRate, minBitRate); 1190 mVideoBitRate = minBitRate; 1191 } else if (mVideoBitRate > maxBitRate && maxBitRate != -1) { 1192 ALOGW("Intended video encoding bit rate (%d bps) is too large" 1193 " and will be set to (%d bps)", mVideoBitRate, maxBitRate); 1194 mVideoBitRate = maxBitRate; 1195 } 1196 } 1197 1198 void StagefrightRecorder::clipVideoFrameWidth() { 1199 ALOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder); 1200 int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( 1201 "enc.vid.width.min", mVideoEncoder); 1202 int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( 1203 "enc.vid.width.max", mVideoEncoder); 1204 if (mVideoWidth < minFrameWidth && minFrameWidth != -1) { 1205 ALOGW("Intended video encoding frame width (%d) is too small" 1206 " and will be set to (%d)", mVideoWidth, minFrameWidth); 1207 mVideoWidth = minFrameWidth; 1208 } else if (mVideoWidth > maxFrameWidth && maxFrameWidth != -1) { 1209 ALOGW("Intended video encoding frame width (%d) is too large" 1210 " and will be set to (%d)", mVideoWidth, maxFrameWidth); 1211 mVideoWidth = maxFrameWidth; 1212 } 1213 } 1214 1215 status_t StagefrightRecorder::checkVideoEncoderCapabilities() { 1216 /* hardware codecs must support camera source meta data mode */ 1217 Vector<CodecCapabilities> codecs; 1218 OMXClient client; 1219 CHECK_EQ(client.connect(), (status_t)OK); 1220 QueryCodecs( 1221 client.interface(), 1222 (mVideoEncoder == VIDEO_ENCODER_H263 ? MEDIA_MIMETYPE_VIDEO_H263 : 1223 mVideoEncoder == VIDEO_ENCODER_MPEG_4_SP ? MEDIA_MIMETYPE_VIDEO_MPEG4 : 1224 mVideoEncoder == VIDEO_ENCODER_VP8 ? MEDIA_MIMETYPE_VIDEO_VP8 : 1225 mVideoEncoder == VIDEO_ENCODER_H264 ? MEDIA_MIMETYPE_VIDEO_AVC : ""), 1226 false /* decoder */, true /* hwCodec */, &codecs); 1227 1228 if (!mCaptureFpsEnable) { 1229 // Dont clip for time lapse capture as encoder will have enough 1230 // time to encode because of slow capture rate of time lapse. 1231 clipVideoBitRate(); 1232 clipVideoFrameRate(); 1233 clipVideoFrameWidth(); 1234 clipVideoFrameHeight(); 1235 setDefaultProfileIfNecessary(); 1236 } 1237 return OK; 1238 } 1239 1240 // Set to use AVC baseline profile if the encoding parameters matches 1241 // CAMCORDER_QUALITY_LOW profile; this is for the sake of MMS service. 1242 void StagefrightRecorder::setDefaultProfileIfNecessary() { 1243 ALOGV("setDefaultProfileIfNecessary"); 1244 1245 camcorder_quality quality = CAMCORDER_QUALITY_LOW; 1246 1247 int64_t durationUs = mEncoderProfiles->getCamcorderProfileParamByName( 1248 "duration", mCameraId, quality) * 1000000LL; 1249 1250 int fileFormat = mEncoderProfiles->getCamcorderProfileParamByName( 1251 "file.format", mCameraId, quality); 1252 1253 int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1254 "vid.codec", mCameraId, quality); 1255 1256 int videoBitRate = mEncoderProfiles->getCamcorderProfileParamByName( 1257 "vid.bps", mCameraId, quality); 1258 1259 int videoFrameRate = mEncoderProfiles->getCamcorderProfileParamByName( 1260 "vid.fps", mCameraId, quality); 1261 1262 int videoFrameWidth = mEncoderProfiles->getCamcorderProfileParamByName( 1263 "vid.width", mCameraId, quality); 1264 1265 int videoFrameHeight = mEncoderProfiles->getCamcorderProfileParamByName( 1266 "vid.height", mCameraId, quality); 1267 1268 int audioCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1269 "aud.codec", mCameraId, quality); 1270 1271 int audioBitRate = mEncoderProfiles->getCamcorderProfileParamByName( 1272 "aud.bps", mCameraId, quality); 1273 1274 int audioSampleRate = mEncoderProfiles->getCamcorderProfileParamByName( 1275 "aud.hz", mCameraId, quality); 1276 1277 int audioChannels = mEncoderProfiles->getCamcorderProfileParamByName( 1278 "aud.ch", mCameraId, quality); 1279 1280 if (durationUs == mMaxFileDurationUs && 1281 fileFormat == mOutputFormat && 1282 videoCodec == mVideoEncoder && 1283 videoBitRate == mVideoBitRate && 1284 videoFrameRate == mFrameRate && 1285 videoFrameWidth == mVideoWidth && 1286 videoFrameHeight == mVideoHeight && 1287 audioCodec == mAudioEncoder && 1288 audioBitRate == mAudioBitRate && 1289 audioSampleRate == mSampleRate && 1290 audioChannels == mAudioChannels) { 1291 if (videoCodec == VIDEO_ENCODER_H264) { 1292 ALOGI("Force to use AVC baseline profile"); 1293 setParamVideoEncoderProfile(OMX_VIDEO_AVCProfileBaseline); 1294 // set 0 for invalid levels - this will be rejected by the 1295 // codec if it cannot handle it during configure 1296 setParamVideoEncoderLevel(ACodec::getAVCLevelFor( 1297 videoFrameWidth, videoFrameHeight, videoFrameRate, videoBitRate)); 1298 } 1299 } 1300 } 1301 1302 void StagefrightRecorder::setDefaultVideoEncoderIfNecessary() { 1303 if (mVideoEncoder == VIDEO_ENCODER_DEFAULT) { 1304 if (mOutputFormat == OUTPUT_FORMAT_WEBM) { 1305 // default to VP8 for WEBM recording 1306 mVideoEncoder = VIDEO_ENCODER_VP8; 1307 } else { 1308 // pick the default encoder for CAMCORDER_QUALITY_LOW 1309 int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1310 "vid.codec", mCameraId, CAMCORDER_QUALITY_LOW); 1311 1312 if (videoCodec > VIDEO_ENCODER_DEFAULT && 1313 videoCodec < VIDEO_ENCODER_LIST_END) { 1314 mVideoEncoder = (video_encoder)videoCodec; 1315 } else { 1316 // default to H.264 if camcorder profile not available 1317 mVideoEncoder = VIDEO_ENCODER_H264; 1318 } 1319 } 1320 } 1321 } 1322 1323 status_t StagefrightRecorder::checkAudioEncoderCapabilities() { 1324 clipAudioBitRate(); 1325 clipAudioSampleRate(); 1326 clipNumberOfAudioChannels(); 1327 return OK; 1328 } 1329 1330 void StagefrightRecorder::clipAudioBitRate() { 1331 ALOGV("clipAudioBitRate: encoder %d", mAudioEncoder); 1332 1333 int minAudioBitRate = 1334 mEncoderProfiles->getAudioEncoderParamByName( 1335 "enc.aud.bps.min", mAudioEncoder); 1336 if (minAudioBitRate != -1 && mAudioBitRate < minAudioBitRate) { 1337 ALOGW("Intended audio encoding bit rate (%d) is too small" 1338 " and will be set to (%d)", mAudioBitRate, minAudioBitRate); 1339 mAudioBitRate = minAudioBitRate; 1340 } 1341 1342 int maxAudioBitRate = 1343 mEncoderProfiles->getAudioEncoderParamByName( 1344 "enc.aud.bps.max", mAudioEncoder); 1345 if (maxAudioBitRate != -1 && mAudioBitRate > maxAudioBitRate) { 1346 ALOGW("Intended audio encoding bit rate (%d) is too large" 1347 " and will be set to (%d)", mAudioBitRate, maxAudioBitRate); 1348 mAudioBitRate = maxAudioBitRate; 1349 } 1350 } 1351 1352 void StagefrightRecorder::clipAudioSampleRate() { 1353 ALOGV("clipAudioSampleRate: encoder %d", mAudioEncoder); 1354 1355 int minSampleRate = 1356 mEncoderProfiles->getAudioEncoderParamByName( 1357 "enc.aud.hz.min", mAudioEncoder); 1358 if (minSampleRate != -1 && mSampleRate < minSampleRate) { 1359 ALOGW("Intended audio sample rate (%d) is too small" 1360 " and will be set to (%d)", mSampleRate, minSampleRate); 1361 mSampleRate = minSampleRate; 1362 } 1363 1364 int maxSampleRate = 1365 mEncoderProfiles->getAudioEncoderParamByName( 1366 "enc.aud.hz.max", mAudioEncoder); 1367 if (maxSampleRate != -1 && mSampleRate > maxSampleRate) { 1368 ALOGW("Intended audio sample rate (%d) is too large" 1369 " and will be set to (%d)", mSampleRate, maxSampleRate); 1370 mSampleRate = maxSampleRate; 1371 } 1372 } 1373 1374 void StagefrightRecorder::clipNumberOfAudioChannels() { 1375 ALOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder); 1376 1377 int minChannels = 1378 mEncoderProfiles->getAudioEncoderParamByName( 1379 "enc.aud.ch.min", mAudioEncoder); 1380 if (minChannels != -1 && mAudioChannels < minChannels) { 1381 ALOGW("Intended number of audio channels (%d) is too small" 1382 " and will be set to (%d)", mAudioChannels, minChannels); 1383 mAudioChannels = minChannels; 1384 } 1385 1386 int maxChannels = 1387 mEncoderProfiles->getAudioEncoderParamByName( 1388 "enc.aud.ch.max", mAudioEncoder); 1389 if (maxChannels != -1 && mAudioChannels > maxChannels) { 1390 ALOGW("Intended number of audio channels (%d) is too large" 1391 " and will be set to (%d)", mAudioChannels, maxChannels); 1392 mAudioChannels = maxChannels; 1393 } 1394 } 1395 1396 void StagefrightRecorder::clipVideoFrameHeight() { 1397 ALOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder); 1398 int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( 1399 "enc.vid.height.min", mVideoEncoder); 1400 int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( 1401 "enc.vid.height.max", mVideoEncoder); 1402 if (minFrameHeight != -1 && mVideoHeight < minFrameHeight) { 1403 ALOGW("Intended video encoding frame height (%d) is too small" 1404 " and will be set to (%d)", mVideoHeight, minFrameHeight); 1405 mVideoHeight = minFrameHeight; 1406 } else if (maxFrameHeight != -1 && mVideoHeight > maxFrameHeight) { 1407 ALOGW("Intended video encoding frame height (%d) is too large" 1408 " and will be set to (%d)", mVideoHeight, maxFrameHeight); 1409 mVideoHeight = maxFrameHeight; 1410 } 1411 } 1412 1413 // Set up the appropriate MediaSource depending on the chosen option 1414 status_t StagefrightRecorder::setupMediaSource( 1415 sp<MediaSource> *mediaSource) { 1416 if (mVideoSource == VIDEO_SOURCE_DEFAULT 1417 || mVideoSource == VIDEO_SOURCE_CAMERA) { 1418 sp<CameraSource> cameraSource; 1419 status_t err = setupCameraSource(&cameraSource); 1420 if (err != OK) { 1421 return err; 1422 } 1423 *mediaSource = cameraSource; 1424 } else if (mVideoSource == VIDEO_SOURCE_SURFACE) { 1425 *mediaSource = NULL; 1426 } else { 1427 return INVALID_OPERATION; 1428 } 1429 return OK; 1430 } 1431 1432 status_t StagefrightRecorder::setupCameraSource( 1433 sp<CameraSource> *cameraSource) { 1434 status_t err = OK; 1435 if ((err = checkVideoEncoderCapabilities()) != OK) { 1436 return err; 1437 } 1438 Size videoSize; 1439 videoSize.width = mVideoWidth; 1440 videoSize.height = mVideoHeight; 1441 if (mCaptureFpsEnable) { 1442 if (mTimeBetweenCaptureUs < 0) { 1443 ALOGE("Invalid mTimeBetweenTimeLapseFrameCaptureUs value: %lld", 1444 mTimeBetweenCaptureUs); 1445 return BAD_VALUE; 1446 } 1447 1448 mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera( 1449 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, 1450 videoSize, mFrameRate, mPreviewSurface, 1451 mTimeBetweenCaptureUs); 1452 *cameraSource = mCameraSourceTimeLapse; 1453 } else { 1454 *cameraSource = CameraSource::CreateFromCamera( 1455 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, 1456 videoSize, mFrameRate, 1457 mPreviewSurface); 1458 } 1459 mCamera.clear(); 1460 mCameraProxy.clear(); 1461 if (*cameraSource == NULL) { 1462 return UNKNOWN_ERROR; 1463 } 1464 1465 if ((*cameraSource)->initCheck() != OK) { 1466 (*cameraSource).clear(); 1467 *cameraSource = NULL; 1468 return NO_INIT; 1469 } 1470 1471 // When frame rate is not set, the actual frame rate will be set to 1472 // the current frame rate being used. 1473 if (mFrameRate == -1) { 1474 int32_t frameRate = 0; 1475 CHECK ((*cameraSource)->getFormat()->findInt32( 1476 kKeyFrameRate, &frameRate)); 1477 ALOGI("Frame rate is not explicitly set. Use the current frame " 1478 "rate (%d fps)", frameRate); 1479 mFrameRate = frameRate; 1480 } 1481 1482 CHECK(mFrameRate != -1); 1483 1484 mIsMetaDataStoredInVideoBuffers = 1485 (*cameraSource)->isMetaDataStoredInVideoBuffers(); 1486 1487 return OK; 1488 } 1489 1490 status_t StagefrightRecorder::setupVideoEncoder( 1491 sp<MediaSource> cameraSource, 1492 sp<MediaSource> *source) { 1493 source->clear(); 1494 1495 sp<AMessage> format = new AMessage(); 1496 1497 switch (mVideoEncoder) { 1498 case VIDEO_ENCODER_H263: 1499 format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263); 1500 break; 1501 1502 case VIDEO_ENCODER_MPEG_4_SP: 1503 format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4); 1504 break; 1505 1506 case VIDEO_ENCODER_H264: 1507 format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC); 1508 break; 1509 1510 case VIDEO_ENCODER_VP8: 1511 format->setString("mime", MEDIA_MIMETYPE_VIDEO_VP8); 1512 break; 1513 1514 default: 1515 CHECK(!"Should not be here, unsupported video encoding."); 1516 break; 1517 } 1518 1519 if (cameraSource != NULL) { 1520 sp<MetaData> meta = cameraSource->getFormat(); 1521 1522 int32_t width, height, stride, sliceHeight, colorFormat; 1523 CHECK(meta->findInt32(kKeyWidth, &width)); 1524 CHECK(meta->findInt32(kKeyHeight, &height)); 1525 CHECK(meta->findInt32(kKeyStride, &stride)); 1526 CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight)); 1527 CHECK(meta->findInt32(kKeyColorFormat, &colorFormat)); 1528 1529 format->setInt32("width", width); 1530 format->setInt32("height", height); 1531 format->setInt32("stride", stride); 1532 format->setInt32("slice-height", sliceHeight); 1533 format->setInt32("color-format", colorFormat); 1534 } else { 1535 format->setInt32("width", mVideoWidth); 1536 format->setInt32("height", mVideoHeight); 1537 format->setInt32("stride", mVideoWidth); 1538 format->setInt32("slice-height", mVideoWidth); 1539 format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque); 1540 1541 // set up time lapse/slow motion for surface source 1542 if (mCaptureFpsEnable) { 1543 if (mTimeBetweenCaptureUs <= 0) { 1544 ALOGE("Invalid mTimeBetweenCaptureUs value: %lld", 1545 mTimeBetweenCaptureUs); 1546 return BAD_VALUE; 1547 } 1548 format->setInt64("time-lapse", mTimeBetweenCaptureUs); 1549 } 1550 } 1551 1552 format->setInt32("bitrate", mVideoBitRate); 1553 format->setInt32("frame-rate", mFrameRate); 1554 format->setInt32("i-frame-interval", mIFramesIntervalSec); 1555 1556 if (mVideoTimeScale > 0) { 1557 format->setInt32("time-scale", mVideoTimeScale); 1558 } 1559 if (mVideoEncoderProfile != -1) { 1560 format->setInt32("profile", mVideoEncoderProfile); 1561 } 1562 if (mVideoEncoderLevel != -1) { 1563 format->setInt32("level", mVideoEncoderLevel); 1564 } 1565 1566 format->setInt32("priority", 0 /* realtime */); 1567 if (mCaptureFpsEnable) { 1568 format->setFloat("operating-rate", mCaptureFps); 1569 } 1570 1571 uint32_t flags = 0; 1572 if (mIsMetaDataStoredInVideoBuffers) { 1573 flags |= MediaCodecSource::FLAG_USE_METADATA_INPUT; 1574 } 1575 1576 if (cameraSource == NULL) { 1577 flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT; 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 1602 status_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<MediaSource> audioEncoder = createAudioSource(); 1622 if (audioEncoder == NULL) { 1623 return UNKNOWN_ERROR; 1624 } 1625 1626 writer->addSource(audioEncoder); 1627 return OK; 1628 } 1629 1630 status_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<MediaSource> encoder; 1653 err = setupVideoEncoder(mediaSource, &encoder); 1654 if (err != OK) { 1655 return err; 1656 } 1657 1658 writer->addSource(encoder); 1659 mTotalBitRate += mVideoBitRate; 1660 } 1661 1662 if (mOutputFormat != OUTPUT_FORMAT_WEBM) { 1663 // Audio source is added at the end if it exists. 1664 // This help make sure that the "recoding" sound is suppressed for 1665 // camcorder applications in the recorded files. 1666 // TODO Audio source is currently unsupported for webm output; vorbis encoder needed. 1667 // disable audio for time lapse recording 1668 bool disableAudio = mCaptureFpsEnable && mCaptureFps < mFrameRate; 1669 if (!disableAudio && mAudioSource != AUDIO_SOURCE_CNT) { 1670 err = setupAudioEncoder(writer); 1671 if (err != OK) return err; 1672 mTotalBitRate += mAudioBitRate; 1673 } 1674 1675 if (mCaptureFpsEnable) { 1676 mp4writer->setCaptureRate(mCaptureFps); 1677 } 1678 1679 if (mInterleaveDurationUs > 0) { 1680 mp4writer->setInterleaveDuration(mInterleaveDurationUs); 1681 } 1682 if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) { 1683 mp4writer->setGeoData(mLatitudex10000, mLongitudex10000); 1684 } 1685 } 1686 if (mMaxFileDurationUs != 0) { 1687 writer->setMaxFileDuration(mMaxFileDurationUs); 1688 } 1689 if (mMaxFileSizeBytes != 0) { 1690 writer->setMaxFileSize(mMaxFileSizeBytes); 1691 } 1692 if (mVideoSource == VIDEO_SOURCE_DEFAULT 1693 || mVideoSource == VIDEO_SOURCE_CAMERA) { 1694 mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId); 1695 } else if (mVideoSource == VIDEO_SOURCE_SURFACE) { 1696 // surface source doesn't need large initial delay 1697 mStartTimeOffsetMs = 200; 1698 } 1699 if (mStartTimeOffsetMs > 0) { 1700 writer->setStartTimeOffsetMs(mStartTimeOffsetMs); 1701 } 1702 1703 writer->setListener(mListener); 1704 mWriter = writer; 1705 return OK; 1706 } 1707 1708 void StagefrightRecorder::setupMPEG4orWEBMMetaData(sp<MetaData> *meta) { 1709 int64_t startTimeUs = systemTime() / 1000; 1710 (*meta)->setInt64(kKeyTime, startTimeUs); 1711 (*meta)->setInt32(kKeyFileType, mOutputFormat); 1712 (*meta)->setInt32(kKeyBitRate, mTotalBitRate); 1713 if (mMovieTimeScale > 0) { 1714 (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale); 1715 } 1716 if (mOutputFormat != OUTPUT_FORMAT_WEBM) { 1717 (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset); 1718 if (mTrackEveryTimeDurationUs > 0) { 1719 (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs); 1720 } 1721 if (mRotationDegrees != 0) { 1722 (*meta)->setInt32(kKeyRotation, mRotationDegrees); 1723 } 1724 } 1725 } 1726 1727 status_t StagefrightRecorder::pause() { 1728 ALOGV("pause"); 1729 if (mWriter == NULL) { 1730 return UNKNOWN_ERROR; 1731 } 1732 mWriter->pause(); 1733 1734 if (mStarted) { 1735 mStarted = false; 1736 1737 uint32_t params = 0; 1738 if (mAudioSource != AUDIO_SOURCE_CNT) { 1739 params |= IMediaPlayerService::kBatteryDataTrackAudio; 1740 } 1741 if (mVideoSource != VIDEO_SOURCE_LIST_END) { 1742 params |= IMediaPlayerService::kBatteryDataTrackVideo; 1743 } 1744 1745 addBatteryData(params); 1746 } 1747 1748 1749 return OK; 1750 } 1751 1752 status_t StagefrightRecorder::stop() { 1753 ALOGV("stop"); 1754 status_t err = OK; 1755 1756 if (mCaptureFpsEnable && mCameraSourceTimeLapse != NULL) { 1757 mCameraSourceTimeLapse->startQuickReadReturns(); 1758 mCameraSourceTimeLapse = NULL; 1759 } 1760 1761 if (mWriter != NULL) { 1762 err = mWriter->stop(); 1763 mWriter.clear(); 1764 } 1765 1766 mGraphicBufferProducer.clear(); 1767 mPersistentSurface.clear(); 1768 1769 if (mOutputFd >= 0) { 1770 ::close(mOutputFd); 1771 mOutputFd = -1; 1772 } 1773 1774 if (mStarted) { 1775 mStarted = false; 1776 1777 uint32_t params = 0; 1778 if (mAudioSource != AUDIO_SOURCE_CNT) { 1779 params |= IMediaPlayerService::kBatteryDataTrackAudio; 1780 } 1781 if (mVideoSource != VIDEO_SOURCE_LIST_END) { 1782 params |= IMediaPlayerService::kBatteryDataTrackVideo; 1783 } 1784 1785 addBatteryData(params); 1786 } 1787 1788 return err; 1789 } 1790 1791 status_t StagefrightRecorder::close() { 1792 ALOGV("close"); 1793 stop(); 1794 1795 return OK; 1796 } 1797 1798 status_t StagefrightRecorder::reset() { 1799 ALOGV("reset"); 1800 stop(); 1801 1802 // No audio or video source by default 1803 mAudioSource = AUDIO_SOURCE_CNT; 1804 mVideoSource = VIDEO_SOURCE_LIST_END; 1805 1806 // Default parameters 1807 mOutputFormat = OUTPUT_FORMAT_THREE_GPP; 1808 mAudioEncoder = AUDIO_ENCODER_AMR_NB; 1809 mVideoEncoder = VIDEO_ENCODER_DEFAULT; 1810 mVideoWidth = 176; 1811 mVideoHeight = 144; 1812 mFrameRate = -1; 1813 mVideoBitRate = 192000; 1814 mSampleRate = 8000; 1815 mAudioChannels = 1; 1816 mAudioBitRate = 12200; 1817 mInterleaveDurationUs = 0; 1818 mIFramesIntervalSec = 1; 1819 mAudioSourceNode = 0; 1820 mUse64BitFileOffset = false; 1821 mMovieTimeScale = -1; 1822 mAudioTimeScale = -1; 1823 mVideoTimeScale = -1; 1824 mCameraId = 0; 1825 mStartTimeOffsetMs = -1; 1826 mVideoEncoderProfile = -1; 1827 mVideoEncoderLevel = -1; 1828 mMaxFileDurationUs = 0; 1829 mMaxFileSizeBytes = 0; 1830 mTrackEveryTimeDurationUs = 0; 1831 mCaptureFpsEnable = false; 1832 mCaptureFps = 0.0f; 1833 mTimeBetweenCaptureUs = -1; 1834 mCameraSourceTimeLapse = NULL; 1835 mIsMetaDataStoredInVideoBuffers = false; 1836 mEncoderProfiles = MediaProfiles::getInstance(); 1837 mRotationDegrees = 0; 1838 mLatitudex10000 = -3600000; 1839 mLongitudex10000 = -3600000; 1840 mTotalBitRate = 0; 1841 1842 mOutputFd = -1; 1843 1844 return OK; 1845 } 1846 1847 status_t StagefrightRecorder::getMaxAmplitude(int *max) { 1848 ALOGV("getMaxAmplitude"); 1849 1850 if (max == NULL) { 1851 ALOGE("Null pointer argument"); 1852 return BAD_VALUE; 1853 } 1854 1855 if (mAudioSourceNode != 0) { 1856 *max = mAudioSourceNode->getMaxAmplitude(); 1857 } else { 1858 *max = 0; 1859 } 1860 1861 return OK; 1862 } 1863 1864 status_t StagefrightRecorder::dump( 1865 int fd, const Vector<String16>& args) const { 1866 ALOGV("dump"); 1867 const size_t SIZE = 256; 1868 char buffer[SIZE]; 1869 String8 result; 1870 if (mWriter != 0) { 1871 mWriter->dump(fd, args); 1872 } else { 1873 snprintf(buffer, SIZE, " No file writer\n"); 1874 result.append(buffer); 1875 } 1876 snprintf(buffer, SIZE, " Recorder: %p\n", this); 1877 snprintf(buffer, SIZE, " Output file (fd %d):\n", mOutputFd); 1878 result.append(buffer); 1879 snprintf(buffer, SIZE, " File format: %d\n", mOutputFormat); 1880 result.append(buffer); 1881 snprintf(buffer, SIZE, " Max file size (bytes): %" PRId64 "\n", mMaxFileSizeBytes); 1882 result.append(buffer); 1883 snprintf(buffer, SIZE, " Max file duration (us): %" PRId64 "\n", mMaxFileDurationUs); 1884 result.append(buffer); 1885 snprintf(buffer, SIZE, " File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32); 1886 result.append(buffer); 1887 snprintf(buffer, SIZE, " Interleave duration (us): %d\n", mInterleaveDurationUs); 1888 result.append(buffer); 1889 snprintf(buffer, SIZE, " Progress notification: %" PRId64 " us\n", mTrackEveryTimeDurationUs); 1890 result.append(buffer); 1891 snprintf(buffer, SIZE, " Audio\n"); 1892 result.append(buffer); 1893 snprintf(buffer, SIZE, " Source: %d\n", mAudioSource); 1894 result.append(buffer); 1895 snprintf(buffer, SIZE, " Encoder: %d\n", mAudioEncoder); 1896 result.append(buffer); 1897 snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mAudioBitRate); 1898 result.append(buffer); 1899 snprintf(buffer, SIZE, " Sampling rate (hz): %d\n", mSampleRate); 1900 result.append(buffer); 1901 snprintf(buffer, SIZE, " Number of channels: %d\n", mAudioChannels); 1902 result.append(buffer); 1903 snprintf(buffer, SIZE, " Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude()); 1904 result.append(buffer); 1905 snprintf(buffer, SIZE, " Video\n"); 1906 result.append(buffer); 1907 snprintf(buffer, SIZE, " Source: %d\n", mVideoSource); 1908 result.append(buffer); 1909 snprintf(buffer, SIZE, " Camera Id: %d\n", mCameraId); 1910 result.append(buffer); 1911 snprintf(buffer, SIZE, " Start time offset (ms): %d\n", mStartTimeOffsetMs); 1912 result.append(buffer); 1913 snprintf(buffer, SIZE, " Encoder: %d\n", mVideoEncoder); 1914 result.append(buffer); 1915 snprintf(buffer, SIZE, " Encoder profile: %d\n", mVideoEncoderProfile); 1916 result.append(buffer); 1917 snprintf(buffer, SIZE, " Encoder level: %d\n", mVideoEncoderLevel); 1918 result.append(buffer); 1919 snprintf(buffer, SIZE, " I frames interval (s): %d\n", mIFramesIntervalSec); 1920 result.append(buffer); 1921 snprintf(buffer, SIZE, " Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight); 1922 result.append(buffer); 1923 snprintf(buffer, SIZE, " Frame rate (fps): %d\n", mFrameRate); 1924 result.append(buffer); 1925 snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mVideoBitRate); 1926 result.append(buffer); 1927 ::write(fd, result.string(), result.size()); 1928 return OK; 1929 } 1930 } // namespace android 1931