StagefrightRecorder.cpp revision b2379ba0a32638bae2ea0460644f68cf5a0967ce
1/* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "StagefrightRecorder" 19#include <inttypes.h> 20#include <utils/Log.h> 21 22#include "WebmWriter.h" 23#include "StagefrightRecorder.h" 24 25#include <android/hardware/ICamera.h> 26 27#include <binder/IPCThreadState.h> 28#include <binder/IServiceManager.h> 29 30#include <media/IMediaPlayerService.h> 31#include <media/stagefright/foundation/ABuffer.h> 32#include <media/stagefright/foundation/ADebug.h> 33#include <media/stagefright/foundation/AMessage.h> 34#include <media/stagefright/foundation/ALooper.h> 35#include <media/stagefright/ACodec.h> 36#include <media/stagefright/AudioSource.h> 37#include <media/stagefright/AMRWriter.h> 38#include <media/stagefright/AACWriter.h> 39#include <media/stagefright/CameraSource.h> 40#include <media/stagefright/CameraSourceTimeLapse.h> 41#include <media/stagefright/MPEG2TSWriter.h> 42#include <media/stagefright/MPEG4Writer.h> 43#include <media/stagefright/MediaDefs.h> 44#include <media/stagefright/MetaData.h> 45#include <media/stagefright/MediaCodecSource.h> 46#include <media/MediaProfiles.h> 47#include <camera/CameraParameters.h> 48 49#include <utils/Errors.h> 50#include <sys/types.h> 51#include <ctype.h> 52#include <unistd.h> 53 54#include <system/audio.h> 55 56#include "ARTPWriter.h" 57 58namespace android { 59 60// To collect the encoder usage for the battery app 61static void addBatteryData(uint32_t params) { 62 sp<IBinder> binder = 63 defaultServiceManager()->getService(String16("media.player")); 64 sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder); 65 CHECK(service.get() != NULL); 66 67 service->addBatteryData(params); 68} 69 70 71StagefrightRecorder::StagefrightRecorder(const String16 &opPackageName) 72 : MediaRecorderBase(opPackageName), 73 mWriter(NULL), 74 mOutputFd(-1), 75 mAudioSource(AUDIO_SOURCE_CNT), 76 mVideoSource(VIDEO_SOURCE_LIST_END), 77 mStarted(false) { 78 79 ALOGV("Constructor"); 80 reset(); 81} 82 83StagefrightRecorder::~StagefrightRecorder() { 84 ALOGV("Destructor"); 85 stop(); 86 87 if (mLooper != NULL) { 88 mLooper->stop(); 89 } 90} 91 92status_t StagefrightRecorder::init() { 93 ALOGV("init"); 94 95 mLooper = new ALooper; 96 mLooper->setName("recorder_looper"); 97 mLooper->start(); 98 99 return OK; 100} 101 102// The client side of mediaserver asks it to creat a SurfaceMediaSource 103// and return a interface reference. The client side will use that 104// while encoding GL Frames 105sp<IGraphicBufferProducer> StagefrightRecorder::querySurfaceMediaSource() const { 106 ALOGV("Get SurfaceMediaSource"); 107 return mGraphicBufferProducer; 108} 109 110status_t StagefrightRecorder::setAudioSource(audio_source_t as) { 111 ALOGV("setAudioSource: %d", as); 112 if (as < AUDIO_SOURCE_DEFAULT || 113 (as >= AUDIO_SOURCE_CNT && as != AUDIO_SOURCE_FM_TUNER)) { 114 ALOGE("Invalid audio source: %d", as); 115 return BAD_VALUE; 116 } 117 118 if (as == AUDIO_SOURCE_DEFAULT) { 119 mAudioSource = AUDIO_SOURCE_MIC; 120 } else { 121 mAudioSource = as; 122 } 123 124 return OK; 125} 126 127status_t StagefrightRecorder::setVideoSource(video_source vs) { 128 ALOGV("setVideoSource: %d", vs); 129 if (vs < VIDEO_SOURCE_DEFAULT || 130 vs >= VIDEO_SOURCE_LIST_END) { 131 ALOGE("Invalid video source: %d", vs); 132 return BAD_VALUE; 133 } 134 135 if (vs == VIDEO_SOURCE_DEFAULT) { 136 mVideoSource = VIDEO_SOURCE_CAMERA; 137 } else { 138 mVideoSource = vs; 139 } 140 141 return OK; 142} 143 144status_t StagefrightRecorder::setOutputFormat(output_format of) { 145 ALOGV("setOutputFormat: %d", of); 146 if (of < OUTPUT_FORMAT_DEFAULT || 147 of >= OUTPUT_FORMAT_LIST_END) { 148 ALOGE("Invalid output format: %d", of); 149 return BAD_VALUE; 150 } 151 152 if (of == OUTPUT_FORMAT_DEFAULT) { 153 mOutputFormat = OUTPUT_FORMAT_THREE_GPP; 154 } else { 155 mOutputFormat = of; 156 } 157 158 return OK; 159} 160 161status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) { 162 ALOGV("setAudioEncoder: %d", ae); 163 if (ae < AUDIO_ENCODER_DEFAULT || 164 ae >= AUDIO_ENCODER_LIST_END) { 165 ALOGE("Invalid audio encoder: %d", ae); 166 return BAD_VALUE; 167 } 168 169 if (ae == AUDIO_ENCODER_DEFAULT) { 170 mAudioEncoder = AUDIO_ENCODER_AMR_NB; 171 } else { 172 mAudioEncoder = ae; 173 } 174 175 return OK; 176} 177 178status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) { 179 ALOGV("setVideoEncoder: %d", ve); 180 if (ve < VIDEO_ENCODER_DEFAULT || 181 ve >= VIDEO_ENCODER_LIST_END) { 182 ALOGE("Invalid video encoder: %d", ve); 183 return BAD_VALUE; 184 } 185 186 mVideoEncoder = ve; 187 188 return OK; 189} 190 191status_t StagefrightRecorder::setVideoSize(int width, int height) { 192 ALOGV("setVideoSize: %dx%d", width, height); 193 if (width <= 0 || height <= 0) { 194 ALOGE("Invalid video size: %dx%d", width, height); 195 return BAD_VALUE; 196 } 197 198 // Additional check on the dimension will be performed later 199 mVideoWidth = width; 200 mVideoHeight = height; 201 202 return OK; 203} 204 205status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) { 206 ALOGV("setVideoFrameRate: %d", frames_per_second); 207 if ((frames_per_second <= 0 && frames_per_second != -1) || 208 frames_per_second > kMaxHighSpeedFps) { 209 ALOGE("Invalid video frame rate: %d", frames_per_second); 210 return BAD_VALUE; 211 } 212 213 // Additional check on the frame rate will be performed later 214 mFrameRate = frames_per_second; 215 216 return OK; 217} 218 219status_t StagefrightRecorder::setCamera(const sp<hardware::ICamera> &camera, 220 const sp<ICameraRecordingProxy> &proxy) { 221 ALOGV("setCamera"); 222 if (camera == 0) { 223 ALOGE("camera is NULL"); 224 return BAD_VALUE; 225 } 226 if (proxy == 0) { 227 ALOGE("camera proxy is NULL"); 228 return BAD_VALUE; 229 } 230 231 mCamera = camera; 232 mCameraProxy = proxy; 233 return OK; 234} 235 236status_t StagefrightRecorder::setPreviewSurface(const sp<IGraphicBufferProducer> &surface) { 237 ALOGV("setPreviewSurface: %p", surface.get()); 238 mPreviewSurface = surface; 239 240 return OK; 241} 242 243status_t StagefrightRecorder::setInputSurface( 244 const sp<IGraphicBufferConsumer>& surface) { 245 mPersistentSurface = surface; 246 247 return OK; 248} 249 250status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) { 251 ALOGV("setOutputFile: %d, %lld, %lld", fd, (long long)offset, (long long)length); 252 // These don't make any sense, do they? 253 CHECK_EQ(offset, 0ll); 254 CHECK_EQ(length, 0ll); 255 256 if (fd < 0) { 257 ALOGE("Invalid file descriptor: %d", fd); 258 return -EBADF; 259 } 260 261 // start with a clean, empty file 262 ftruncate(fd, 0); 263 264 if (mOutputFd >= 0) { 265 ::close(mOutputFd); 266 } 267 mOutputFd = dup(fd); 268 269 return OK; 270} 271 272// Attempt to parse an float literal optionally surrounded by whitespace, 273// returns true on success, false otherwise. 274static bool safe_strtof(const char *s, float *val) { 275 char *end; 276 277 // It is lame, but according to man page, we have to set errno to 0 278 // before calling strtof(). 279 errno = 0; 280 *val = strtof(s, &end); 281 282 if (end == s || errno == ERANGE) { 283 return false; 284 } 285 286 // Skip trailing whitespace 287 while (isspace(*end)) { 288 ++end; 289 } 290 291 // For a successful return, the string must contain nothing but a valid 292 // float literal optionally surrounded by whitespace. 293 294 return *end == '\0'; 295} 296 297// Attempt to parse an int64 literal optionally surrounded by whitespace, 298// returns true on success, false otherwise. 299static bool safe_strtoi64(const char *s, int64_t *val) { 300 char *end; 301 302 // It is lame, but according to man page, we have to set errno to 0 303 // before calling strtoll(). 304 errno = 0; 305 *val = strtoll(s, &end, 10); 306 307 if (end == s || errno == ERANGE) { 308 return false; 309 } 310 311 // Skip trailing whitespace 312 while (isspace(*end)) { 313 ++end; 314 } 315 316 // For a successful return, the string must contain nothing but a valid 317 // int64 literal optionally surrounded by whitespace. 318 319 return *end == '\0'; 320} 321 322// Return true if the value is in [0, 0x007FFFFFFF] 323static bool safe_strtoi32(const char *s, int32_t *val) { 324 int64_t temp; 325 if (safe_strtoi64(s, &temp)) { 326 if (temp >= 0 && temp <= 0x007FFFFFFF) { 327 *val = static_cast<int32_t>(temp); 328 return true; 329 } 330 } 331 return false; 332} 333 334// Trim both leading and trailing whitespace from the given string. 335static void TrimString(String8 *s) { 336 size_t num_bytes = s->bytes(); 337 const char *data = s->string(); 338 339 size_t leading_space = 0; 340 while (leading_space < num_bytes && isspace(data[leading_space])) { 341 ++leading_space; 342 } 343 344 size_t i = num_bytes; 345 while (i > leading_space && isspace(data[i - 1])) { 346 --i; 347 } 348 349 s->setTo(String8(&data[leading_space], i - leading_space)); 350} 351 352status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) { 353 ALOGV("setParamAudioSamplingRate: %d", sampleRate); 354 if (sampleRate <= 0) { 355 ALOGE("Invalid audio sampling rate: %d", sampleRate); 356 return BAD_VALUE; 357 } 358 359 // Additional check on the sample rate will be performed later. 360 mSampleRate = sampleRate; 361 return OK; 362} 363 364status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) { 365 ALOGV("setParamAudioNumberOfChannels: %d", channels); 366 if (channels <= 0 || channels >= 3) { 367 ALOGE("Invalid number of audio channels: %d", channels); 368 return BAD_VALUE; 369 } 370 371 // Additional check on the number of channels will be performed later. 372 mAudioChannels = channels; 373 return OK; 374} 375 376status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) { 377 ALOGV("setParamAudioEncodingBitRate: %d", bitRate); 378 if (bitRate <= 0) { 379 ALOGE("Invalid audio encoding bit rate: %d", bitRate); 380 return BAD_VALUE; 381 } 382 383 // The target bit rate may not be exactly the same as the requested. 384 // It depends on many factors, such as rate control, and the bit rate 385 // range that a specific encoder supports. The mismatch between the 386 // the target and requested bit rate will NOT be treated as an error. 387 mAudioBitRate = bitRate; 388 return OK; 389} 390 391status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) { 392 ALOGV("setParamVideoEncodingBitRate: %d", bitRate); 393 if (bitRate <= 0) { 394 ALOGE("Invalid video encoding bit rate: %d", bitRate); 395 return BAD_VALUE; 396 } 397 398 // The target bit rate may not be exactly the same as the requested. 399 // It depends on many factors, such as rate control, and the bit rate 400 // range that a specific encoder supports. The mismatch between the 401 // the target and requested bit rate will NOT be treated as an error. 402 mVideoBitRate = bitRate; 403 return OK; 404} 405 406// Always rotate clockwise, and only support 0, 90, 180 and 270 for now. 407status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) { 408 ALOGV("setParamVideoRotation: %d", degrees); 409 if (degrees < 0 || degrees % 90 != 0) { 410 ALOGE("Unsupported video rotation angle: %d", degrees); 411 return BAD_VALUE; 412 } 413 mRotationDegrees = degrees % 360; 414 return OK; 415} 416 417status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) { 418 ALOGV("setParamMaxFileDurationUs: %lld us", (long long)timeUs); 419 420 // This is meant for backward compatibility for MediaRecorder.java 421 if (timeUs <= 0) { 422 ALOGW("Max file duration is not positive: %lld us. Disabling duration limit.", 423 (long long)timeUs); 424 timeUs = 0; // Disable the duration limit for zero or negative values. 425 } else if (timeUs <= 100000LL) { // XXX: 100 milli-seconds 426 ALOGE("Max file duration is too short: %lld us", (long long)timeUs); 427 return BAD_VALUE; 428 } 429 430 if (timeUs <= 15 * 1000000LL) { 431 ALOGW("Target duration (%lld us) too short to be respected", (long long)timeUs); 432 } 433 mMaxFileDurationUs = timeUs; 434 return OK; 435} 436 437status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) { 438 ALOGV("setParamMaxFileSizeBytes: %lld bytes", (long long)bytes); 439 440 // This is meant for backward compatibility for MediaRecorder.java 441 if (bytes <= 0) { 442 ALOGW("Max file size is not positive: %lld bytes. " 443 "Disabling file size limit.", (long long)bytes); 444 bytes = 0; // Disable the file size limit for zero or negative values. 445 } else if (bytes <= 1024) { // XXX: 1 kB 446 ALOGE("Max file size is too small: %lld bytes", (long long)bytes); 447 return BAD_VALUE; 448 } 449 450 if (bytes <= 100 * 1024) { 451 ALOGW("Target file size (%lld bytes) is too small to be respected", (long long)bytes); 452 } 453 454 mMaxFileSizeBytes = bytes; 455 return OK; 456} 457 458status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) { 459 ALOGV("setParamInterleaveDuration: %d", durationUs); 460 if (durationUs <= 500000) { // 500 ms 461 // If interleave duration is too small, it is very inefficient to do 462 // interleaving since the metadata overhead will count for a significant 463 // portion of the saved contents 464 ALOGE("Audio/video interleave duration is too small: %d us", durationUs); 465 return BAD_VALUE; 466 } else if (durationUs >= 10000000) { // 10 seconds 467 // If interleaving duration is too large, it can cause the recording 468 // session to use too much memory since we have to save the output 469 // data before we write them out 470 ALOGE("Audio/video interleave duration is too large: %d us", durationUs); 471 return BAD_VALUE; 472 } 473 mInterleaveDurationUs = durationUs; 474 return OK; 475} 476 477// If seconds < 0, only the first frame is I frame, and rest are all P frames 478// If seconds == 0, all frames are encoded as I frames. No P frames 479// If seconds > 0, it is the time spacing (seconds) between 2 neighboring I frames 480status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) { 481 ALOGV("setParamVideoIFramesInterval: %d seconds", seconds); 482 mIFramesIntervalSec = seconds; 483 return OK; 484} 485 486status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) { 487 ALOGV("setParam64BitFileOffset: %s", 488 use64Bit? "use 64 bit file offset": "use 32 bit file offset"); 489 mUse64BitFileOffset = use64Bit; 490 return OK; 491} 492 493status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) { 494 ALOGV("setParamVideoCameraId: %d", cameraId); 495 if (cameraId < 0) { 496 return BAD_VALUE; 497 } 498 mCameraId = cameraId; 499 return OK; 500} 501 502status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) { 503 ALOGV("setParamTrackTimeStatus: %lld", (long long)timeDurationUs); 504 if (timeDurationUs < 20000) { // Infeasible if shorter than 20 ms? 505 ALOGE("Tracking time duration too short: %lld us", (long long)timeDurationUs); 506 return BAD_VALUE; 507 } 508 mTrackEveryTimeDurationUs = timeDurationUs; 509 return OK; 510} 511 512status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) { 513 ALOGV("setParamVideoEncoderProfile: %d", profile); 514 515 // Additional check will be done later when we load the encoder. 516 // For now, we are accepting values defined in OpenMAX IL. 517 mVideoEncoderProfile = profile; 518 return OK; 519} 520 521status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) { 522 ALOGV("setParamVideoEncoderLevel: %d", level); 523 524 // Additional check will be done later when we load the encoder. 525 // For now, we are accepting values defined in OpenMAX IL. 526 mVideoEncoderLevel = level; 527 return OK; 528} 529 530status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) { 531 ALOGV("setParamMovieTimeScale: %d", timeScale); 532 533 // The range is set to be the same as the audio's time scale range 534 // since audio's time scale has a wider range. 535 if (timeScale < 600 || timeScale > 96000) { 536 ALOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale); 537 return BAD_VALUE; 538 } 539 mMovieTimeScale = timeScale; 540 return OK; 541} 542 543status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) { 544 ALOGV("setParamVideoTimeScale: %d", timeScale); 545 546 // 60000 is chosen to make sure that each video frame from a 60-fps 547 // video has 1000 ticks. 548 if (timeScale < 600 || timeScale > 60000) { 549 ALOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale); 550 return BAD_VALUE; 551 } 552 mVideoTimeScale = timeScale; 553 return OK; 554} 555 556status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) { 557 ALOGV("setParamAudioTimeScale: %d", timeScale); 558 559 // 96000 Hz is the highest sampling rate support in AAC. 560 if (timeScale < 600 || timeScale > 96000) { 561 ALOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale); 562 return BAD_VALUE; 563 } 564 mAudioTimeScale = timeScale; 565 return OK; 566} 567 568status_t StagefrightRecorder::setParamCaptureFpsEnable(int32_t captureFpsEnable) { 569 ALOGV("setParamCaptureFpsEnable: %d", captureFpsEnable); 570 571 if(captureFpsEnable == 0) { 572 mCaptureFpsEnable = false; 573 } else if (captureFpsEnable == 1) { 574 mCaptureFpsEnable = true; 575 } else { 576 return BAD_VALUE; 577 } 578 return OK; 579} 580 581status_t StagefrightRecorder::setParamCaptureFps(float fps) { 582 ALOGV("setParamCaptureFps: %.2f", fps); 583 584 int64_t timeUs = (int64_t) (1000000.0 / fps + 0.5f); 585 586 // Not allowing time more than a day 587 if (timeUs <= 0 || timeUs > 86400*1E6) { 588 ALOGE("Time between frame capture (%lld) is out of range [0, 1 Day]", (long long)timeUs); 589 return BAD_VALUE; 590 } 591 592 mCaptureFps = fps; 593 mTimeBetweenCaptureUs = timeUs; 594 return OK; 595} 596 597status_t StagefrightRecorder::setParamGeoDataLongitude( 598 int64_t longitudex10000) { 599 600 if (longitudex10000 > 1800000 || longitudex10000 < -1800000) { 601 return BAD_VALUE; 602 } 603 mLongitudex10000 = longitudex10000; 604 return OK; 605} 606 607status_t StagefrightRecorder::setParamGeoDataLatitude( 608 int64_t latitudex10000) { 609 610 if (latitudex10000 > 900000 || latitudex10000 < -900000) { 611 return BAD_VALUE; 612 } 613 mLatitudex10000 = latitudex10000; 614 return OK; 615} 616 617status_t StagefrightRecorder::setParameter( 618 const String8 &key, const String8 &value) { 619 ALOGV("setParameter: key (%s) => value (%s)", key.string(), value.string()); 620 if (key == "max-duration") { 621 int64_t max_duration_ms; 622 if (safe_strtoi64(value.string(), &max_duration_ms)) { 623 return setParamMaxFileDurationUs(1000LL * max_duration_ms); 624 } 625 } else if (key == "max-filesize") { 626 int64_t max_filesize_bytes; 627 if (safe_strtoi64(value.string(), &max_filesize_bytes)) { 628 return setParamMaxFileSizeBytes(max_filesize_bytes); 629 } 630 } else if (key == "interleave-duration-us") { 631 int32_t durationUs; 632 if (safe_strtoi32(value.string(), &durationUs)) { 633 return setParamInterleaveDuration(durationUs); 634 } 635 } else if (key == "param-movie-time-scale") { 636 int32_t timeScale; 637 if (safe_strtoi32(value.string(), &timeScale)) { 638 return setParamMovieTimeScale(timeScale); 639 } 640 } else if (key == "param-use-64bit-offset") { 641 int32_t use64BitOffset; 642 if (safe_strtoi32(value.string(), &use64BitOffset)) { 643 return setParam64BitFileOffset(use64BitOffset != 0); 644 } 645 } else if (key == "param-geotag-longitude") { 646 int64_t longitudex10000; 647 if (safe_strtoi64(value.string(), &longitudex10000)) { 648 return setParamGeoDataLongitude(longitudex10000); 649 } 650 } else if (key == "param-geotag-latitude") { 651 int64_t latitudex10000; 652 if (safe_strtoi64(value.string(), &latitudex10000)) { 653 return setParamGeoDataLatitude(latitudex10000); 654 } 655 } else if (key == "param-track-time-status") { 656 int64_t timeDurationUs; 657 if (safe_strtoi64(value.string(), &timeDurationUs)) { 658 return setParamTrackTimeStatus(timeDurationUs); 659 } 660 } else if (key == "audio-param-sampling-rate") { 661 int32_t sampling_rate; 662 if (safe_strtoi32(value.string(), &sampling_rate)) { 663 return setParamAudioSamplingRate(sampling_rate); 664 } 665 } else if (key == "audio-param-number-of-channels") { 666 int32_t number_of_channels; 667 if (safe_strtoi32(value.string(), &number_of_channels)) { 668 return setParamAudioNumberOfChannels(number_of_channels); 669 } 670 } else if (key == "audio-param-encoding-bitrate") { 671 int32_t audio_bitrate; 672 if (safe_strtoi32(value.string(), &audio_bitrate)) { 673 return setParamAudioEncodingBitRate(audio_bitrate); 674 } 675 } else if (key == "audio-param-time-scale") { 676 int32_t timeScale; 677 if (safe_strtoi32(value.string(), &timeScale)) { 678 return setParamAudioTimeScale(timeScale); 679 } 680 } else if (key == "video-param-encoding-bitrate") { 681 int32_t video_bitrate; 682 if (safe_strtoi32(value.string(), &video_bitrate)) { 683 return setParamVideoEncodingBitRate(video_bitrate); 684 } 685 } else if (key == "video-param-rotation-angle-degrees") { 686 int32_t degrees; 687 if (safe_strtoi32(value.string(), °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 731status_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 766status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) { 767 mListener = listener; 768 769 return OK; 770} 771 772status_t StagefrightRecorder::setClientName(const String16& clientName) { 773 mClientName = clientName; 774 775 return OK; 776} 777 778status_t StagefrightRecorder::prepareInternal() { 779 ALOGV("prepare"); 780 if (mOutputFd < 0) { 781 ALOGE("Output file descriptor is invalid"); 782 return INVALID_OPERATION; 783 } 784 785 // Get UID and PID here for permission checking 786 mClientUid = IPCThreadState::self()->getCallingUid(); 787 mClientPid = IPCThreadState::self()->getCallingPid(); 788 789 status_t status = OK; 790 791 switch (mOutputFormat) { 792 case OUTPUT_FORMAT_DEFAULT: 793 case OUTPUT_FORMAT_THREE_GPP: 794 case OUTPUT_FORMAT_MPEG_4: 795 case OUTPUT_FORMAT_WEBM: 796 status = setupMPEG4orWEBMRecording(); 797 break; 798 799 case OUTPUT_FORMAT_AMR_NB: 800 case OUTPUT_FORMAT_AMR_WB: 801 status = setupAMRRecording(); 802 break; 803 804 case OUTPUT_FORMAT_AAC_ADIF: 805 case OUTPUT_FORMAT_AAC_ADTS: 806 status = setupAACRecording(); 807 break; 808 809 case OUTPUT_FORMAT_RTP_AVP: 810 status = setupRTPRecording(); 811 break; 812 813 case OUTPUT_FORMAT_MPEG2TS: 814 status = setupMPEG2TSRecording(); 815 break; 816 817 default: 818 ALOGE("Unsupported output file format: %d", mOutputFormat); 819 status = UNKNOWN_ERROR; 820 break; 821 } 822 823 return status; 824} 825 826status_t StagefrightRecorder::prepare() { 827 if (mVideoSource == VIDEO_SOURCE_SURFACE) { 828 return prepareInternal(); 829 } 830 return OK; 831} 832 833status_t StagefrightRecorder::start() { 834 ALOGV("start"); 835 if (mOutputFd < 0) { 836 ALOGE("Output file descriptor is invalid"); 837 return INVALID_OPERATION; 838 } 839 840 status_t status = OK; 841 842 if (mVideoSource != VIDEO_SOURCE_SURFACE) { 843 status = prepareInternal(); 844 if (status != OK) { 845 return status; 846 } 847 } 848 849 if (mWriter == NULL) { 850 ALOGE("File writer is not avaialble"); 851 return UNKNOWN_ERROR; 852 } 853 854 switch (mOutputFormat) { 855 case OUTPUT_FORMAT_DEFAULT: 856 case OUTPUT_FORMAT_THREE_GPP: 857 case OUTPUT_FORMAT_MPEG_4: 858 case OUTPUT_FORMAT_WEBM: 859 { 860 bool isMPEG4 = true; 861 if (mOutputFormat == OUTPUT_FORMAT_WEBM) { 862 isMPEG4 = false; 863 } 864 sp<MetaData> meta = new MetaData; 865 setupMPEG4orWEBMMetaData(&meta); 866 status = mWriter->start(meta.get()); 867 break; 868 } 869 870 case OUTPUT_FORMAT_AMR_NB: 871 case OUTPUT_FORMAT_AMR_WB: 872 case OUTPUT_FORMAT_AAC_ADIF: 873 case OUTPUT_FORMAT_AAC_ADTS: 874 case OUTPUT_FORMAT_RTP_AVP: 875 case OUTPUT_FORMAT_MPEG2TS: 876 { 877 status = mWriter->start(); 878 break; 879 } 880 881 default: 882 { 883 ALOGE("Unsupported output file format: %d", mOutputFormat); 884 status = UNKNOWN_ERROR; 885 break; 886 } 887 } 888 889 if (status != OK) { 890 mWriter.clear(); 891 mWriter = NULL; 892 } 893 894 if ((status == OK) && (!mStarted)) { 895 mStarted = true; 896 897 uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted; 898 if (mAudioSource != AUDIO_SOURCE_CNT) { 899 params |= IMediaPlayerService::kBatteryDataTrackAudio; 900 } 901 if (mVideoSource != VIDEO_SOURCE_LIST_END) { 902 params |= IMediaPlayerService::kBatteryDataTrackVideo; 903 } 904 905 addBatteryData(params); 906 } 907 908 return status; 909} 910 911sp<MediaCodecSource> StagefrightRecorder::createAudioSource() { 912 int32_t sourceSampleRate = mSampleRate; 913 914 if (mCaptureFpsEnable && mCaptureFps >= mFrameRate) { 915 // Upscale the sample rate for slow motion recording. 916 // Fail audio source creation if source sample rate is too high, as it could 917 // cause out-of-memory due to large input buffer size. And audio recording 918 // probably doesn't make sense in the scenario, since the slow-down factor 919 // is probably huge (eg. mSampleRate=48K, mCaptureFps=240, mFrameRate=1). 920 const static int32_t SAMPLE_RATE_HZ_MAX = 192000; 921 sourceSampleRate = 922 (mSampleRate * mCaptureFps + mFrameRate / 2) / mFrameRate; 923 if (sourceSampleRate < mSampleRate || sourceSampleRate > SAMPLE_RATE_HZ_MAX) { 924 ALOGE("source sample rate out of range! " 925 "(mSampleRate %d, mCaptureFps %.2f, mFrameRate %d", 926 mSampleRate, mCaptureFps, mFrameRate); 927 return NULL; 928 } 929 } 930 931 sp<AudioSource> audioSource = 932 new AudioSource( 933 mAudioSource, 934 mOpPackageName, 935 sourceSampleRate, 936 mAudioChannels, 937 mSampleRate, 938 mClientUid, 939 mClientPid); 940 941 status_t err = audioSource->initCheck(); 942 943 if (err != OK) { 944 ALOGE("audio source is not initialized"); 945 return NULL; 946 } 947 948 sp<AMessage> format = new AMessage; 949 switch (mAudioEncoder) { 950 case AUDIO_ENCODER_AMR_NB: 951 case AUDIO_ENCODER_DEFAULT: 952 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB); 953 break; 954 case AUDIO_ENCODER_AMR_WB: 955 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB); 956 break; 957 case AUDIO_ENCODER_AAC: 958 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC); 959 format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC); 960 break; 961 case AUDIO_ENCODER_HE_AAC: 962 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC); 963 format->setInt32("aac-profile", OMX_AUDIO_AACObjectHE); 964 break; 965 case AUDIO_ENCODER_AAC_ELD: 966 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC); 967 format->setInt32("aac-profile", OMX_AUDIO_AACObjectELD); 968 break; 969 970 default: 971 ALOGE("Unknown audio encoder: %d", mAudioEncoder); 972 return NULL; 973 } 974 975 int32_t maxInputSize; 976 CHECK(audioSource->getFormat()->findInt32( 977 kKeyMaxInputSize, &maxInputSize)); 978 979 format->setInt32("max-input-size", maxInputSize); 980 format->setInt32("channel-count", mAudioChannels); 981 format->setInt32("sample-rate", mSampleRate); 982 format->setInt32("bitrate", mAudioBitRate); 983 if (mAudioTimeScale > 0) { 984 format->setInt32("time-scale", mAudioTimeScale); 985 } 986 format->setInt32("priority", 0 /* realtime */); 987 988 sp<MediaCodecSource> audioEncoder = 989 MediaCodecSource::Create(mLooper, format, audioSource); 990 mAudioSourceNode = audioSource; 991 992 if (audioEncoder == NULL) { 993 ALOGE("Failed to create audio encoder"); 994 } 995 996 return audioEncoder; 997} 998 999status_t StagefrightRecorder::setupAACRecording() { 1000 // FIXME: 1001 // Add support for OUTPUT_FORMAT_AAC_ADIF 1002 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_AAC_ADTS); 1003 1004 CHECK(mAudioEncoder == AUDIO_ENCODER_AAC || 1005 mAudioEncoder == AUDIO_ENCODER_HE_AAC || 1006 mAudioEncoder == AUDIO_ENCODER_AAC_ELD); 1007 CHECK(mAudioSource != AUDIO_SOURCE_CNT); 1008 1009 mWriter = new AACWriter(mOutputFd); 1010 return setupRawAudioRecording(); 1011} 1012 1013status_t StagefrightRecorder::setupAMRRecording() { 1014 CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB || 1015 mOutputFormat == OUTPUT_FORMAT_AMR_WB); 1016 1017 if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) { 1018 if (mAudioEncoder != AUDIO_ENCODER_DEFAULT && 1019 mAudioEncoder != AUDIO_ENCODER_AMR_NB) { 1020 ALOGE("Invalid encoder %d used for AMRNB recording", 1021 mAudioEncoder); 1022 return BAD_VALUE; 1023 } 1024 } else { // mOutputFormat must be OUTPUT_FORMAT_AMR_WB 1025 if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) { 1026 ALOGE("Invlaid encoder %d used for AMRWB recording", 1027 mAudioEncoder); 1028 return BAD_VALUE; 1029 } 1030 } 1031 1032 mWriter = new AMRWriter(mOutputFd); 1033 return setupRawAudioRecording(); 1034} 1035 1036status_t StagefrightRecorder::setupRawAudioRecording() { 1037 if (mAudioSource >= AUDIO_SOURCE_CNT && mAudioSource != AUDIO_SOURCE_FM_TUNER) { 1038 ALOGE("Invalid audio source: %d", mAudioSource); 1039 return BAD_VALUE; 1040 } 1041 1042 status_t status = BAD_VALUE; 1043 if (OK != (status = checkAudioEncoderCapabilities())) { 1044 return status; 1045 } 1046 1047 sp<MediaCodecSource> audioEncoder = createAudioSource(); 1048 if (audioEncoder == NULL) { 1049 return UNKNOWN_ERROR; 1050 } 1051 1052 CHECK(mWriter != 0); 1053 mWriter->addSource(audioEncoder); 1054 mAudioEncoderSource = audioEncoder; 1055 1056 if (mMaxFileDurationUs != 0) { 1057 mWriter->setMaxFileDuration(mMaxFileDurationUs); 1058 } 1059 if (mMaxFileSizeBytes != 0) { 1060 mWriter->setMaxFileSize(mMaxFileSizeBytes); 1061 } 1062 mWriter->setListener(mListener); 1063 1064 return OK; 1065} 1066 1067status_t StagefrightRecorder::setupRTPRecording() { 1068 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP); 1069 1070 if ((mAudioSource != AUDIO_SOURCE_CNT 1071 && mVideoSource != VIDEO_SOURCE_LIST_END) 1072 || (mAudioSource == AUDIO_SOURCE_CNT 1073 && mVideoSource == VIDEO_SOURCE_LIST_END)) { 1074 // Must have exactly one source. 1075 return BAD_VALUE; 1076 } 1077 1078 if (mOutputFd < 0) { 1079 return BAD_VALUE; 1080 } 1081 1082 sp<MediaCodecSource> source; 1083 1084 if (mAudioSource != AUDIO_SOURCE_CNT) { 1085 source = createAudioSource(); 1086 mAudioEncoderSource = source; 1087 } else { 1088 setDefaultVideoEncoderIfNecessary(); 1089 1090 sp<MediaSource> mediaSource; 1091 status_t err = setupMediaSource(&mediaSource); 1092 if (err != OK) { 1093 return err; 1094 } 1095 1096 err = setupVideoEncoder(mediaSource, &source); 1097 if (err != OK) { 1098 return err; 1099 } 1100 mVideoEncoderSource = source; 1101 } 1102 1103 mWriter = new ARTPWriter(mOutputFd); 1104 mWriter->addSource(source); 1105 mWriter->setListener(mListener); 1106 1107 return OK; 1108} 1109 1110status_t StagefrightRecorder::setupMPEG2TSRecording() { 1111 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS); 1112 1113 sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd); 1114 1115 if (mAudioSource != AUDIO_SOURCE_CNT) { 1116 if (mAudioEncoder != AUDIO_ENCODER_AAC && 1117 mAudioEncoder != AUDIO_ENCODER_HE_AAC && 1118 mAudioEncoder != AUDIO_ENCODER_AAC_ELD) { 1119 return ERROR_UNSUPPORTED; 1120 } 1121 1122 status_t err = setupAudioEncoder(writer); 1123 1124 if (err != OK) { 1125 return err; 1126 } 1127 } 1128 1129 if (mVideoSource < VIDEO_SOURCE_LIST_END) { 1130 if (mVideoEncoder != VIDEO_ENCODER_H264) { 1131 ALOGE("MPEG2TS recording only supports H.264 encoding!"); 1132 return ERROR_UNSUPPORTED; 1133 } 1134 1135 sp<MediaSource> mediaSource; 1136 status_t err = setupMediaSource(&mediaSource); 1137 if (err != OK) { 1138 return err; 1139 } 1140 1141 sp<MediaCodecSource> encoder; 1142 err = setupVideoEncoder(mediaSource, &encoder); 1143 1144 if (err != OK) { 1145 return err; 1146 } 1147 1148 writer->addSource(encoder); 1149 mVideoEncoderSource = encoder; 1150 } 1151 1152 if (mMaxFileDurationUs != 0) { 1153 writer->setMaxFileDuration(mMaxFileDurationUs); 1154 } 1155 1156 if (mMaxFileSizeBytes != 0) { 1157 writer->setMaxFileSize(mMaxFileSizeBytes); 1158 } 1159 1160 mWriter = writer; 1161 1162 return OK; 1163} 1164 1165void StagefrightRecorder::clipVideoFrameRate() { 1166 ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder); 1167 if (mFrameRate == -1) { 1168 mFrameRate = mEncoderProfiles->getCamcorderProfileParamByName( 1169 "vid.fps", mCameraId, CAMCORDER_QUALITY_LOW); 1170 ALOGW("Using default video fps %d", mFrameRate); 1171 } 1172 1173 int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName( 1174 "enc.vid.fps.min", mVideoEncoder); 1175 int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName( 1176 "enc.vid.fps.max", mVideoEncoder); 1177 if (mFrameRate < minFrameRate && minFrameRate != -1) { 1178 ALOGW("Intended video encoding frame rate (%d fps) is too small" 1179 " and will be set to (%d fps)", mFrameRate, minFrameRate); 1180 mFrameRate = minFrameRate; 1181 } else if (mFrameRate > maxFrameRate && maxFrameRate != -1) { 1182 ALOGW("Intended video encoding frame rate (%d fps) is too large" 1183 " and will be set to (%d fps)", mFrameRate, maxFrameRate); 1184 mFrameRate = maxFrameRate; 1185 } 1186} 1187 1188void StagefrightRecorder::clipVideoBitRate() { 1189 ALOGV("clipVideoBitRate: encoder %d", mVideoEncoder); 1190 int minBitRate = mEncoderProfiles->getVideoEncoderParamByName( 1191 "enc.vid.bps.min", mVideoEncoder); 1192 int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName( 1193 "enc.vid.bps.max", mVideoEncoder); 1194 if (mVideoBitRate < minBitRate && minBitRate != -1) { 1195 ALOGW("Intended video encoding bit rate (%d bps) is too small" 1196 " and will be set to (%d bps)", mVideoBitRate, minBitRate); 1197 mVideoBitRate = minBitRate; 1198 } else if (mVideoBitRate > maxBitRate && maxBitRate != -1) { 1199 ALOGW("Intended video encoding bit rate (%d bps) is too large" 1200 " and will be set to (%d bps)", mVideoBitRate, maxBitRate); 1201 mVideoBitRate = maxBitRate; 1202 } 1203} 1204 1205void StagefrightRecorder::clipVideoFrameWidth() { 1206 ALOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder); 1207 int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( 1208 "enc.vid.width.min", mVideoEncoder); 1209 int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( 1210 "enc.vid.width.max", mVideoEncoder); 1211 if (mVideoWidth < minFrameWidth && minFrameWidth != -1) { 1212 ALOGW("Intended video encoding frame width (%d) is too small" 1213 " and will be set to (%d)", mVideoWidth, minFrameWidth); 1214 mVideoWidth = minFrameWidth; 1215 } else if (mVideoWidth > maxFrameWidth && maxFrameWidth != -1) { 1216 ALOGW("Intended video encoding frame width (%d) is too large" 1217 " and will be set to (%d)", mVideoWidth, maxFrameWidth); 1218 mVideoWidth = maxFrameWidth; 1219 } 1220} 1221 1222status_t StagefrightRecorder::checkVideoEncoderCapabilities() { 1223 if (!mCaptureFpsEnable) { 1224 // Dont clip for time lapse capture as encoder will have enough 1225 // time to encode because of slow capture rate of time lapse. 1226 clipVideoBitRate(); 1227 clipVideoFrameRate(); 1228 clipVideoFrameWidth(); 1229 clipVideoFrameHeight(); 1230 setDefaultProfileIfNecessary(); 1231 } 1232 return OK; 1233} 1234 1235// Set to use AVC baseline profile if the encoding parameters matches 1236// CAMCORDER_QUALITY_LOW profile; this is for the sake of MMS service. 1237void StagefrightRecorder::setDefaultProfileIfNecessary() { 1238 ALOGV("setDefaultProfileIfNecessary"); 1239 1240 camcorder_quality quality = CAMCORDER_QUALITY_LOW; 1241 1242 int64_t durationUs = mEncoderProfiles->getCamcorderProfileParamByName( 1243 "duration", mCameraId, quality) * 1000000LL; 1244 1245 int fileFormat = mEncoderProfiles->getCamcorderProfileParamByName( 1246 "file.format", mCameraId, quality); 1247 1248 int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1249 "vid.codec", mCameraId, quality); 1250 1251 int videoBitRate = mEncoderProfiles->getCamcorderProfileParamByName( 1252 "vid.bps", mCameraId, quality); 1253 1254 int videoFrameRate = mEncoderProfiles->getCamcorderProfileParamByName( 1255 "vid.fps", mCameraId, quality); 1256 1257 int videoFrameWidth = mEncoderProfiles->getCamcorderProfileParamByName( 1258 "vid.width", mCameraId, quality); 1259 1260 int videoFrameHeight = mEncoderProfiles->getCamcorderProfileParamByName( 1261 "vid.height", mCameraId, quality); 1262 1263 int audioCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1264 "aud.codec", mCameraId, quality); 1265 1266 int audioBitRate = mEncoderProfiles->getCamcorderProfileParamByName( 1267 "aud.bps", mCameraId, quality); 1268 1269 int audioSampleRate = mEncoderProfiles->getCamcorderProfileParamByName( 1270 "aud.hz", mCameraId, quality); 1271 1272 int audioChannels = mEncoderProfiles->getCamcorderProfileParamByName( 1273 "aud.ch", mCameraId, quality); 1274 1275 if (durationUs == mMaxFileDurationUs && 1276 fileFormat == mOutputFormat && 1277 videoCodec == mVideoEncoder && 1278 videoBitRate == mVideoBitRate && 1279 videoFrameRate == mFrameRate && 1280 videoFrameWidth == mVideoWidth && 1281 videoFrameHeight == mVideoHeight && 1282 audioCodec == mAudioEncoder && 1283 audioBitRate == mAudioBitRate && 1284 audioSampleRate == mSampleRate && 1285 audioChannels == mAudioChannels) { 1286 if (videoCodec == VIDEO_ENCODER_H264) { 1287 ALOGI("Force to use AVC baseline profile"); 1288 setParamVideoEncoderProfile(OMX_VIDEO_AVCProfileBaseline); 1289 // set 0 for invalid levels - this will be rejected by the 1290 // codec if it cannot handle it during configure 1291 setParamVideoEncoderLevel(ACodec::getAVCLevelFor( 1292 videoFrameWidth, videoFrameHeight, videoFrameRate, videoBitRate)); 1293 } 1294 } 1295} 1296 1297void StagefrightRecorder::setDefaultVideoEncoderIfNecessary() { 1298 if (mVideoEncoder == VIDEO_ENCODER_DEFAULT) { 1299 if (mOutputFormat == OUTPUT_FORMAT_WEBM) { 1300 // default to VP8 for WEBM recording 1301 mVideoEncoder = VIDEO_ENCODER_VP8; 1302 } else { 1303 // pick the default encoder for CAMCORDER_QUALITY_LOW 1304 int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1305 "vid.codec", mCameraId, CAMCORDER_QUALITY_LOW); 1306 1307 if (videoCodec > VIDEO_ENCODER_DEFAULT && 1308 videoCodec < VIDEO_ENCODER_LIST_END) { 1309 mVideoEncoder = (video_encoder)videoCodec; 1310 } else { 1311 // default to H.264 if camcorder profile not available 1312 mVideoEncoder = VIDEO_ENCODER_H264; 1313 } 1314 } 1315 } 1316} 1317 1318status_t StagefrightRecorder::checkAudioEncoderCapabilities() { 1319 clipAudioBitRate(); 1320 clipAudioSampleRate(); 1321 clipNumberOfAudioChannels(); 1322 return OK; 1323} 1324 1325void StagefrightRecorder::clipAudioBitRate() { 1326 ALOGV("clipAudioBitRate: encoder %d", mAudioEncoder); 1327 1328 int minAudioBitRate = 1329 mEncoderProfiles->getAudioEncoderParamByName( 1330 "enc.aud.bps.min", mAudioEncoder); 1331 if (minAudioBitRate != -1 && mAudioBitRate < minAudioBitRate) { 1332 ALOGW("Intended audio encoding bit rate (%d) is too small" 1333 " and will be set to (%d)", mAudioBitRate, minAudioBitRate); 1334 mAudioBitRate = minAudioBitRate; 1335 } 1336 1337 int maxAudioBitRate = 1338 mEncoderProfiles->getAudioEncoderParamByName( 1339 "enc.aud.bps.max", mAudioEncoder); 1340 if (maxAudioBitRate != -1 && mAudioBitRate > maxAudioBitRate) { 1341 ALOGW("Intended audio encoding bit rate (%d) is too large" 1342 " and will be set to (%d)", mAudioBitRate, maxAudioBitRate); 1343 mAudioBitRate = maxAudioBitRate; 1344 } 1345} 1346 1347void StagefrightRecorder::clipAudioSampleRate() { 1348 ALOGV("clipAudioSampleRate: encoder %d", mAudioEncoder); 1349 1350 int minSampleRate = 1351 mEncoderProfiles->getAudioEncoderParamByName( 1352 "enc.aud.hz.min", mAudioEncoder); 1353 if (minSampleRate != -1 && mSampleRate < minSampleRate) { 1354 ALOGW("Intended audio sample rate (%d) is too small" 1355 " and will be set to (%d)", mSampleRate, minSampleRate); 1356 mSampleRate = minSampleRate; 1357 } 1358 1359 int maxSampleRate = 1360 mEncoderProfiles->getAudioEncoderParamByName( 1361 "enc.aud.hz.max", mAudioEncoder); 1362 if (maxSampleRate != -1 && mSampleRate > maxSampleRate) { 1363 ALOGW("Intended audio sample rate (%d) is too large" 1364 " and will be set to (%d)", mSampleRate, maxSampleRate); 1365 mSampleRate = maxSampleRate; 1366 } 1367} 1368 1369void StagefrightRecorder::clipNumberOfAudioChannels() { 1370 ALOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder); 1371 1372 int minChannels = 1373 mEncoderProfiles->getAudioEncoderParamByName( 1374 "enc.aud.ch.min", mAudioEncoder); 1375 if (minChannels != -1 && mAudioChannels < minChannels) { 1376 ALOGW("Intended number of audio channels (%d) is too small" 1377 " and will be set to (%d)", mAudioChannels, minChannels); 1378 mAudioChannels = minChannels; 1379 } 1380 1381 int maxChannels = 1382 mEncoderProfiles->getAudioEncoderParamByName( 1383 "enc.aud.ch.max", mAudioEncoder); 1384 if (maxChannels != -1 && mAudioChannels > maxChannels) { 1385 ALOGW("Intended number of audio channels (%d) is too large" 1386 " and will be set to (%d)", mAudioChannels, maxChannels); 1387 mAudioChannels = maxChannels; 1388 } 1389} 1390 1391void StagefrightRecorder::clipVideoFrameHeight() { 1392 ALOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder); 1393 int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( 1394 "enc.vid.height.min", mVideoEncoder); 1395 int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( 1396 "enc.vid.height.max", mVideoEncoder); 1397 if (minFrameHeight != -1 && mVideoHeight < minFrameHeight) { 1398 ALOGW("Intended video encoding frame height (%d) is too small" 1399 " and will be set to (%d)", mVideoHeight, minFrameHeight); 1400 mVideoHeight = minFrameHeight; 1401 } else if (maxFrameHeight != -1 && mVideoHeight > maxFrameHeight) { 1402 ALOGW("Intended video encoding frame height (%d) is too large" 1403 " and will be set to (%d)", mVideoHeight, maxFrameHeight); 1404 mVideoHeight = maxFrameHeight; 1405 } 1406} 1407 1408// Set up the appropriate MediaSource depending on the chosen option 1409status_t StagefrightRecorder::setupMediaSource( 1410 sp<MediaSource> *mediaSource) { 1411 if (mVideoSource == VIDEO_SOURCE_DEFAULT 1412 || mVideoSource == VIDEO_SOURCE_CAMERA) { 1413 sp<CameraSource> cameraSource; 1414 status_t err = setupCameraSource(&cameraSource); 1415 if (err != OK) { 1416 return err; 1417 } 1418 *mediaSource = cameraSource; 1419 } else if (mVideoSource == VIDEO_SOURCE_SURFACE) { 1420 *mediaSource = NULL; 1421 } else { 1422 return INVALID_OPERATION; 1423 } 1424 return OK; 1425} 1426 1427status_t StagefrightRecorder::setupCameraSource( 1428 sp<CameraSource> *cameraSource) { 1429 status_t err = OK; 1430 if ((err = checkVideoEncoderCapabilities()) != OK) { 1431 return err; 1432 } 1433 Size videoSize; 1434 videoSize.width = mVideoWidth; 1435 videoSize.height = mVideoHeight; 1436 if (mCaptureFpsEnable) { 1437 if (mTimeBetweenCaptureUs < 0) { 1438 ALOGE("Invalid mTimeBetweenTimeLapseFrameCaptureUs value: %lld", 1439 (long long)mTimeBetweenCaptureUs); 1440 return BAD_VALUE; 1441 } 1442 1443 mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera( 1444 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid, 1445 videoSize, mFrameRate, mPreviewSurface, 1446 mTimeBetweenCaptureUs); 1447 *cameraSource = mCameraSourceTimeLapse; 1448 } else { 1449 *cameraSource = CameraSource::CreateFromCamera( 1450 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, mClientPid, 1451 videoSize, mFrameRate, 1452 mPreviewSurface); 1453 } 1454 mCamera.clear(); 1455 mCameraProxy.clear(); 1456 if (*cameraSource == NULL) { 1457 return UNKNOWN_ERROR; 1458 } 1459 1460 if ((*cameraSource)->initCheck() != OK) { 1461 (*cameraSource).clear(); 1462 *cameraSource = NULL; 1463 return NO_INIT; 1464 } 1465 1466 // When frame rate is not set, the actual frame rate will be set to 1467 // the current frame rate being used. 1468 if (mFrameRate == -1) { 1469 int32_t frameRate = 0; 1470 CHECK ((*cameraSource)->getFormat()->findInt32( 1471 kKeyFrameRate, &frameRate)); 1472 ALOGI("Frame rate is not explicitly set. Use the current frame " 1473 "rate (%d fps)", frameRate); 1474 mFrameRate = frameRate; 1475 } 1476 1477 CHECK(mFrameRate != -1); 1478 1479 mMetaDataStoredInVideoBuffers = 1480 (*cameraSource)->metaDataStoredInVideoBuffers(); 1481 1482 return OK; 1483} 1484 1485status_t StagefrightRecorder::setupVideoEncoder( 1486 sp<MediaSource> cameraSource, 1487 sp<MediaCodecSource> *source) { 1488 source->clear(); 1489 1490 sp<AMessage> format = new AMessage(); 1491 1492 switch (mVideoEncoder) { 1493 case VIDEO_ENCODER_H263: 1494 format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263); 1495 break; 1496 1497 case VIDEO_ENCODER_MPEG_4_SP: 1498 format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4); 1499 break; 1500 1501 case VIDEO_ENCODER_H264: 1502 format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC); 1503 break; 1504 1505 case VIDEO_ENCODER_VP8: 1506 format->setString("mime", MEDIA_MIMETYPE_VIDEO_VP8); 1507 break; 1508 1509 case VIDEO_ENCODER_HEVC: 1510 format->setString("mime", MEDIA_MIMETYPE_VIDEO_HEVC); 1511 break; 1512 1513 default: 1514 CHECK(!"Should not be here, unsupported video encoding."); 1515 break; 1516 } 1517 1518 if (cameraSource != NULL) { 1519 sp<MetaData> meta = cameraSource->getFormat(); 1520 1521 int32_t width, height, stride, sliceHeight, colorFormat; 1522 CHECK(meta->findInt32(kKeyWidth, &width)); 1523 CHECK(meta->findInt32(kKeyHeight, &height)); 1524 CHECK(meta->findInt32(kKeyStride, &stride)); 1525 CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight)); 1526 CHECK(meta->findInt32(kKeyColorFormat, &colorFormat)); 1527 1528 format->setInt32("width", width); 1529 format->setInt32("height", height); 1530 format->setInt32("stride", stride); 1531 format->setInt32("slice-height", sliceHeight); 1532 format->setInt32("color-format", colorFormat); 1533 } else { 1534 format->setInt32("width", mVideoWidth); 1535 format->setInt32("height", mVideoHeight); 1536 format->setInt32("stride", mVideoWidth); 1537 format->setInt32("slice-height", mVideoHeight); 1538 format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque); 1539 1540 // set up time lapse/slow motion for surface source 1541 if (mCaptureFpsEnable) { 1542 if (mTimeBetweenCaptureUs <= 0) { 1543 ALOGE("Invalid mTimeBetweenCaptureUs value: %lld", 1544 (long long)mTimeBetweenCaptureUs); 1545 return BAD_VALUE; 1546 } 1547 format->setInt64("time-lapse", mTimeBetweenCaptureUs); 1548 } 1549 } 1550 1551 format->setInt32("bitrate", mVideoBitRate); 1552 format->setInt32("frame-rate", mFrameRate); 1553 format->setInt32("i-frame-interval", mIFramesIntervalSec); 1554 1555 if (mVideoTimeScale > 0) { 1556 format->setInt32("time-scale", mVideoTimeScale); 1557 } 1558 if (mVideoEncoderProfile != -1) { 1559 format->setInt32("profile", mVideoEncoderProfile); 1560 } 1561 if (mVideoEncoderLevel != -1) { 1562 format->setInt32("level", mVideoEncoderLevel); 1563 } 1564 1565 format->setInt32("priority", 0 /* realtime */); 1566 if (mCaptureFpsEnable) { 1567 format->setFloat("operating-rate", mCaptureFps); 1568 } 1569 1570 if (mMetaDataStoredInVideoBuffers != kMetadataBufferTypeInvalid) { 1571 format->setInt32("android._input-metadata-buffer-type", mMetaDataStoredInVideoBuffers); 1572 } 1573 1574 uint32_t flags = 0; 1575 if (cameraSource == NULL) { 1576 flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT; 1577 } else { 1578 // require dataspace setup even if not using surface input 1579 format->setInt32("android._using-recorder", 1); 1580 } 1581 1582 sp<MediaCodecSource> encoder = MediaCodecSource::Create( 1583 mLooper, format, cameraSource, mPersistentSurface, flags); 1584 if (encoder == NULL) { 1585 ALOGE("Failed to create video encoder"); 1586 // When the encoder fails to be created, we need 1587 // release the camera source due to the camera's lock 1588 // and unlock mechanism. 1589 if (cameraSource != NULL) { 1590 cameraSource->stop(); 1591 } 1592 return UNKNOWN_ERROR; 1593 } 1594 1595 if (cameraSource == NULL) { 1596 mGraphicBufferProducer = encoder->getGraphicBufferProducer(); 1597 } 1598 1599 *source = encoder; 1600 1601 return OK; 1602} 1603 1604status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) { 1605 status_t status = BAD_VALUE; 1606 if (OK != (status = checkAudioEncoderCapabilities())) { 1607 return status; 1608 } 1609 1610 switch(mAudioEncoder) { 1611 case AUDIO_ENCODER_AMR_NB: 1612 case AUDIO_ENCODER_AMR_WB: 1613 case AUDIO_ENCODER_AAC: 1614 case AUDIO_ENCODER_HE_AAC: 1615 case AUDIO_ENCODER_AAC_ELD: 1616 break; 1617 1618 default: 1619 ALOGE("Unsupported audio encoder: %d", mAudioEncoder); 1620 return UNKNOWN_ERROR; 1621 } 1622 1623 sp<MediaCodecSource> audioEncoder = createAudioSource(); 1624 if (audioEncoder == NULL) { 1625 return UNKNOWN_ERROR; 1626 } 1627 1628 writer->addSource(audioEncoder); 1629 mAudioEncoderSource = audioEncoder; 1630 return OK; 1631} 1632 1633status_t StagefrightRecorder::setupMPEG4orWEBMRecording() { 1634 mWriter.clear(); 1635 mTotalBitRate = 0; 1636 1637 status_t err = OK; 1638 sp<MediaWriter> writer; 1639 sp<MPEG4Writer> mp4writer; 1640 if (mOutputFormat == OUTPUT_FORMAT_WEBM) { 1641 writer = new WebmWriter(mOutputFd); 1642 } else { 1643 writer = mp4writer = new MPEG4Writer(mOutputFd); 1644 } 1645 1646 if (mVideoSource < VIDEO_SOURCE_LIST_END) { 1647 setDefaultVideoEncoderIfNecessary(); 1648 1649 sp<MediaSource> mediaSource; 1650 err = setupMediaSource(&mediaSource); 1651 if (err != OK) { 1652 return err; 1653 } 1654 1655 sp<MediaCodecSource> encoder; 1656 err = setupVideoEncoder(mediaSource, &encoder); 1657 if (err != OK) { 1658 return err; 1659 } 1660 1661 writer->addSource(encoder); 1662 mVideoEncoderSource = encoder; 1663 mTotalBitRate += mVideoBitRate; 1664 } 1665 1666 if (mOutputFormat != OUTPUT_FORMAT_WEBM) { 1667 // Audio source is added at the end if it exists. 1668 // This help make sure that the "recoding" sound is suppressed for 1669 // camcorder applications in the recorded files. 1670 // TODO Audio source is currently unsupported for webm output; vorbis encoder needed. 1671 // disable audio for time lapse recording 1672 bool disableAudio = mCaptureFpsEnable && mCaptureFps < mFrameRate; 1673 if (!disableAudio && mAudioSource != AUDIO_SOURCE_CNT) { 1674 err = setupAudioEncoder(writer); 1675 if (err != OK) return err; 1676 mTotalBitRate += mAudioBitRate; 1677 } 1678 1679 if (mCaptureFpsEnable) { 1680 mp4writer->setCaptureRate(mCaptureFps); 1681 } 1682 1683 if (mInterleaveDurationUs > 0) { 1684 mp4writer->setInterleaveDuration(mInterleaveDurationUs); 1685 } 1686 if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) { 1687 mp4writer->setGeoData(mLatitudex10000, mLongitudex10000); 1688 } 1689 } 1690 if (mMaxFileDurationUs != 0) { 1691 writer->setMaxFileDuration(mMaxFileDurationUs); 1692 } 1693 if (mMaxFileSizeBytes != 0) { 1694 writer->setMaxFileSize(mMaxFileSizeBytes); 1695 } 1696 if (mVideoSource == VIDEO_SOURCE_DEFAULT 1697 || mVideoSource == VIDEO_SOURCE_CAMERA) { 1698 mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId); 1699 } else if (mVideoSource == VIDEO_SOURCE_SURFACE) { 1700 // surface source doesn't need large initial delay 1701 mStartTimeOffsetMs = 200; 1702 } 1703 if (mStartTimeOffsetMs > 0) { 1704 writer->setStartTimeOffsetMs(mStartTimeOffsetMs); 1705 } 1706 1707 writer->setListener(mListener); 1708 mWriter = writer; 1709 return OK; 1710} 1711 1712void StagefrightRecorder::setupMPEG4orWEBMMetaData(sp<MetaData> *meta) { 1713 int64_t startTimeUs = systemTime() / 1000; 1714 (*meta)->setInt64(kKeyTime, startTimeUs); 1715 (*meta)->setInt32(kKeyFileType, mOutputFormat); 1716 (*meta)->setInt32(kKeyBitRate, mTotalBitRate); 1717 if (mMovieTimeScale > 0) { 1718 (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale); 1719 } 1720 if (mOutputFormat != OUTPUT_FORMAT_WEBM) { 1721 (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset); 1722 if (mTrackEveryTimeDurationUs > 0) { 1723 (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs); 1724 } 1725 if (mRotationDegrees != 0) { 1726 (*meta)->setInt32(kKeyRotation, mRotationDegrees); 1727 } 1728 } 1729} 1730 1731status_t StagefrightRecorder::pause() { 1732 ALOGV("pause"); 1733 if (!mStarted) { 1734 return INVALID_OPERATION; 1735 } 1736 1737 // Already paused --- no-op. 1738 if (mPauseStartTimeUs != 0) { 1739 return OK; 1740 } 1741 1742 if (mAudioEncoderSource != NULL) { 1743 mAudioEncoderSource->pause(); 1744 } 1745 if (mVideoEncoderSource != NULL) { 1746 mVideoEncoderSource->pause(); 1747 } 1748 1749 mPauseStartTimeUs = systemTime() / 1000; 1750 1751 return OK; 1752} 1753 1754status_t StagefrightRecorder::resume() { 1755 ALOGV("resume"); 1756 if (!mStarted) { 1757 return INVALID_OPERATION; 1758 } 1759 1760 // Not paused --- no-op. 1761 if (mPauseStartTimeUs == 0) { 1762 return OK; 1763 } 1764 1765 // 30 ms buffer to avoid timestamp overlap 1766 mTotalPausedDurationUs += (systemTime() / 1000) - mPauseStartTimeUs - 30000; 1767 double timeOffset = -mTotalPausedDurationUs; 1768 if (mCaptureFpsEnable) { 1769 timeOffset *= mCaptureFps / mFrameRate; 1770 } 1771 if (mAudioEncoderSource != NULL) { 1772 mAudioEncoderSource->setInputBufferTimeOffset((int64_t)timeOffset); 1773 mAudioEncoderSource->start(); 1774 } 1775 if (mVideoEncoderSource != NULL) { 1776 mVideoEncoderSource->setInputBufferTimeOffset((int64_t)timeOffset); 1777 mVideoEncoderSource->start(); 1778 } 1779 mPauseStartTimeUs = 0; 1780 1781 return OK; 1782} 1783 1784status_t StagefrightRecorder::stop() { 1785 ALOGV("stop"); 1786 status_t err = OK; 1787 1788 if (mCaptureFpsEnable && mCameraSourceTimeLapse != NULL) { 1789 mCameraSourceTimeLapse->startQuickReadReturns(); 1790 mCameraSourceTimeLapse = NULL; 1791 } 1792 1793 if (mWriter != NULL) { 1794 err = mWriter->stop(); 1795 mWriter.clear(); 1796 } 1797 mTotalPausedDurationUs = 0; 1798 mPauseStartTimeUs = 0; 1799 1800 mGraphicBufferProducer.clear(); 1801 mPersistentSurface.clear(); 1802 mAudioEncoderSource.clear(); 1803 mVideoEncoderSource.clear(); 1804 1805 if (mOutputFd >= 0) { 1806 ::close(mOutputFd); 1807 mOutputFd = -1; 1808 } 1809 1810 if (mStarted) { 1811 mStarted = false; 1812 1813 uint32_t params = 0; 1814 if (mAudioSource != AUDIO_SOURCE_CNT) { 1815 params |= IMediaPlayerService::kBatteryDataTrackAudio; 1816 } 1817 if (mVideoSource != VIDEO_SOURCE_LIST_END) { 1818 params |= IMediaPlayerService::kBatteryDataTrackVideo; 1819 } 1820 1821 addBatteryData(params); 1822 } 1823 1824 return err; 1825} 1826 1827status_t StagefrightRecorder::close() { 1828 ALOGV("close"); 1829 stop(); 1830 1831 return OK; 1832} 1833 1834status_t StagefrightRecorder::reset() { 1835 ALOGV("reset"); 1836 stop(); 1837 1838 // No audio or video source by default 1839 mAudioSource = AUDIO_SOURCE_CNT; 1840 mVideoSource = VIDEO_SOURCE_LIST_END; 1841 1842 // Default parameters 1843 mOutputFormat = OUTPUT_FORMAT_THREE_GPP; 1844 mAudioEncoder = AUDIO_ENCODER_AMR_NB; 1845 mVideoEncoder = VIDEO_ENCODER_DEFAULT; 1846 mVideoWidth = 176; 1847 mVideoHeight = 144; 1848 mFrameRate = -1; 1849 mVideoBitRate = 192000; 1850 mSampleRate = 8000; 1851 mAudioChannels = 1; 1852 mAudioBitRate = 12200; 1853 mInterleaveDurationUs = 0; 1854 mIFramesIntervalSec = 1; 1855 mAudioSourceNode = 0; 1856 mUse64BitFileOffset = false; 1857 mMovieTimeScale = -1; 1858 mAudioTimeScale = -1; 1859 mVideoTimeScale = -1; 1860 mCameraId = 0; 1861 mStartTimeOffsetMs = -1; 1862 mVideoEncoderProfile = -1; 1863 mVideoEncoderLevel = -1; 1864 mMaxFileDurationUs = 0; 1865 mMaxFileSizeBytes = 0; 1866 mTrackEveryTimeDurationUs = 0; 1867 mCaptureFpsEnable = false; 1868 mCaptureFps = 0.0f; 1869 mTimeBetweenCaptureUs = -1; 1870 mCameraSourceTimeLapse = NULL; 1871 mMetaDataStoredInVideoBuffers = kMetadataBufferTypeInvalid; 1872 mEncoderProfiles = MediaProfiles::getInstance(); 1873 mRotationDegrees = 0; 1874 mLatitudex10000 = -3600000; 1875 mLongitudex10000 = -3600000; 1876 mTotalBitRate = 0; 1877 1878 mOutputFd = -1; 1879 1880 return OK; 1881} 1882 1883status_t StagefrightRecorder::getMaxAmplitude(int *max) { 1884 ALOGV("getMaxAmplitude"); 1885 1886 if (max == NULL) { 1887 ALOGE("Null pointer argument"); 1888 return BAD_VALUE; 1889 } 1890 1891 if (mAudioSourceNode != 0) { 1892 *max = mAudioSourceNode->getMaxAmplitude(); 1893 } else { 1894 *max = 0; 1895 } 1896 1897 return OK; 1898} 1899 1900status_t StagefrightRecorder::dump( 1901 int fd, const Vector<String16>& args) const { 1902 ALOGV("dump"); 1903 const size_t SIZE = 256; 1904 char buffer[SIZE]; 1905 String8 result; 1906 if (mWriter != 0) { 1907 mWriter->dump(fd, args); 1908 } else { 1909 snprintf(buffer, SIZE, " No file writer\n"); 1910 result.append(buffer); 1911 } 1912 snprintf(buffer, SIZE, " Recorder: %p\n", this); 1913 snprintf(buffer, SIZE, " Output file (fd %d):\n", mOutputFd); 1914 result.append(buffer); 1915 snprintf(buffer, SIZE, " File format: %d\n", mOutputFormat); 1916 result.append(buffer); 1917 snprintf(buffer, SIZE, " Max file size (bytes): %" PRId64 "\n", mMaxFileSizeBytes); 1918 result.append(buffer); 1919 snprintf(buffer, SIZE, " Max file duration (us): %" PRId64 "\n", mMaxFileDurationUs); 1920 result.append(buffer); 1921 snprintf(buffer, SIZE, " File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32); 1922 result.append(buffer); 1923 snprintf(buffer, SIZE, " Interleave duration (us): %d\n", mInterleaveDurationUs); 1924 result.append(buffer); 1925 snprintf(buffer, SIZE, " Progress notification: %" PRId64 " us\n", mTrackEveryTimeDurationUs); 1926 result.append(buffer); 1927 snprintf(buffer, SIZE, " Audio\n"); 1928 result.append(buffer); 1929 snprintf(buffer, SIZE, " Source: %d\n", mAudioSource); 1930 result.append(buffer); 1931 snprintf(buffer, SIZE, " Encoder: %d\n", mAudioEncoder); 1932 result.append(buffer); 1933 snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mAudioBitRate); 1934 result.append(buffer); 1935 snprintf(buffer, SIZE, " Sampling rate (hz): %d\n", mSampleRate); 1936 result.append(buffer); 1937 snprintf(buffer, SIZE, " Number of channels: %d\n", mAudioChannels); 1938 result.append(buffer); 1939 snprintf(buffer, SIZE, " Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude()); 1940 result.append(buffer); 1941 snprintf(buffer, SIZE, " Video\n"); 1942 result.append(buffer); 1943 snprintf(buffer, SIZE, " Source: %d\n", mVideoSource); 1944 result.append(buffer); 1945 snprintf(buffer, SIZE, " Camera Id: %d\n", mCameraId); 1946 result.append(buffer); 1947 snprintf(buffer, SIZE, " Start time offset (ms): %d\n", mStartTimeOffsetMs); 1948 result.append(buffer); 1949 snprintf(buffer, SIZE, " Encoder: %d\n", mVideoEncoder); 1950 result.append(buffer); 1951 snprintf(buffer, SIZE, " Encoder profile: %d\n", mVideoEncoderProfile); 1952 result.append(buffer); 1953 snprintf(buffer, SIZE, " Encoder level: %d\n", mVideoEncoderLevel); 1954 result.append(buffer); 1955 snprintf(buffer, SIZE, " I frames interval (s): %d\n", mIFramesIntervalSec); 1956 result.append(buffer); 1957 snprintf(buffer, SIZE, " Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight); 1958 result.append(buffer); 1959 snprintf(buffer, SIZE, " Frame rate (fps): %d\n", mFrameRate); 1960 result.append(buffer); 1961 snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mVideoBitRate); 1962 result.append(buffer); 1963 ::write(fd, result.string(), result.size()); 1964 return OK; 1965} 1966} // namespace android 1967