StagefrightRecorder.cpp revision 76dc9c5052741bf0910a23a20c9df6018c4979d8
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/AudioSource.h> 34#include <media/stagefright/AMRWriter.h> 35#include <media/stagefright/AACWriter.h> 36#include <media/stagefright/CameraSource.h> 37#include <media/stagefright/CameraSourceTimeLapse.h> 38#include <media/stagefright/MPEG2TSWriter.h> 39#include <media/stagefright/MPEG4Writer.h> 40#include <media/stagefright/MediaDefs.h> 41#include <media/stagefright/MetaData.h> 42#include <media/stagefright/MediaCodecSource.h> 43#include <media/stagefright/OMXClient.h> 44#include <media/stagefright/OMXCodec.h> 45#include <media/MediaProfiles.h> 46#include <camera/ICamera.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() 72 : mWriter(NULL), 73 mOutputFd(-1), 74 mAudioSource(AUDIO_SOURCE_CNT), 75 mVideoSource(VIDEO_SOURCE_LIST_END), 76 mCaptureTimeLapse(false), 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) { 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 if (ve == VIDEO_ENCODER_DEFAULT) { 187 mVideoEncoder = VIDEO_ENCODER_H263; 188 } else { 189 mVideoEncoder = ve; 190 } 191 192 return OK; 193} 194 195status_t StagefrightRecorder::setVideoSize(int width, int height) { 196 ALOGV("setVideoSize: %dx%d", width, height); 197 if (width <= 0 || height <= 0) { 198 ALOGE("Invalid video size: %dx%d", width, height); 199 return BAD_VALUE; 200 } 201 202 // Additional check on the dimension will be performed later 203 mVideoWidth = width; 204 mVideoHeight = height; 205 206 return OK; 207} 208 209status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) { 210 ALOGV("setVideoFrameRate: %d", frames_per_second); 211 if ((frames_per_second <= 0 && frames_per_second != -1) || 212 frames_per_second > 120) { 213 ALOGE("Invalid video frame rate: %d", frames_per_second); 214 return BAD_VALUE; 215 } 216 217 // Additional check on the frame rate will be performed later 218 mFrameRate = frames_per_second; 219 220 return OK; 221} 222 223status_t StagefrightRecorder::setCamera(const sp<ICamera> &camera, 224 const sp<ICameraRecordingProxy> &proxy) { 225 ALOGV("setCamera"); 226 if (camera == 0) { 227 ALOGE("camera is NULL"); 228 return BAD_VALUE; 229 } 230 if (proxy == 0) { 231 ALOGE("camera proxy is NULL"); 232 return BAD_VALUE; 233 } 234 235 mCamera = camera; 236 mCameraProxy = proxy; 237 return OK; 238} 239 240status_t StagefrightRecorder::setPreviewSurface(const sp<IGraphicBufferProducer> &surface) { 241 ALOGV("setPreviewSurface: %p", surface.get()); 242 mPreviewSurface = surface; 243 244 return OK; 245} 246 247status_t StagefrightRecorder::setOutputFile(const char * /* path */) { 248 ALOGE("setOutputFile(const char*) must not be called"); 249 // We don't actually support this at all, as the media_server process 250 // no longer has permissions to create files. 251 252 return -EPERM; 253} 254 255status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) { 256 ALOGV("setOutputFile: %d, %lld, %lld", fd, offset, length); 257 // These don't make any sense, do they? 258 CHECK_EQ(offset, 0ll); 259 CHECK_EQ(length, 0ll); 260 261 if (fd < 0) { 262 ALOGE("Invalid file descriptor: %d", fd); 263 return -EBADF; 264 } 265 266 if (mOutputFd >= 0) { 267 ::close(mOutputFd); 268 } 269 mOutputFd = dup(fd); 270 271 return OK; 272} 273 274// Attempt to parse an int64 literal optionally surrounded by whitespace, 275// returns true on success, false otherwise. 276static bool safe_strtoi64(const char *s, int64_t *val) { 277 char *end; 278 279 // It is lame, but according to man page, we have to set errno to 0 280 // before calling strtoll(). 281 errno = 0; 282 *val = strtoll(s, &end, 10); 283 284 if (end == s || errno == ERANGE) { 285 return false; 286 } 287 288 // Skip trailing whitespace 289 while (isspace(*end)) { 290 ++end; 291 } 292 293 // For a successful return, the string must contain nothing but a valid 294 // int64 literal optionally surrounded by whitespace. 295 296 return *end == '\0'; 297} 298 299// Return true if the value is in [0, 0x007FFFFFFF] 300static bool safe_strtoi32(const char *s, int32_t *val) { 301 int64_t temp; 302 if (safe_strtoi64(s, &temp)) { 303 if (temp >= 0 && temp <= 0x007FFFFFFF) { 304 *val = static_cast<int32_t>(temp); 305 return true; 306 } 307 } 308 return false; 309} 310 311// Trim both leading and trailing whitespace from the given string. 312static void TrimString(String8 *s) { 313 size_t num_bytes = s->bytes(); 314 const char *data = s->string(); 315 316 size_t leading_space = 0; 317 while (leading_space < num_bytes && isspace(data[leading_space])) { 318 ++leading_space; 319 } 320 321 size_t i = num_bytes; 322 while (i > leading_space && isspace(data[i - 1])) { 323 --i; 324 } 325 326 s->setTo(String8(&data[leading_space], i - leading_space)); 327} 328 329status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) { 330 ALOGV("setParamAudioSamplingRate: %d", sampleRate); 331 if (sampleRate <= 0) { 332 ALOGE("Invalid audio sampling rate: %d", sampleRate); 333 return BAD_VALUE; 334 } 335 336 // Additional check on the sample rate will be performed later. 337 mSampleRate = sampleRate; 338 return OK; 339} 340 341status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) { 342 ALOGV("setParamAudioNumberOfChannels: %d", channels); 343 if (channels <= 0 || channels >= 3) { 344 ALOGE("Invalid number of audio channels: %d", channels); 345 return BAD_VALUE; 346 } 347 348 // Additional check on the number of channels will be performed later. 349 mAudioChannels = channels; 350 return OK; 351} 352 353status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) { 354 ALOGV("setParamAudioEncodingBitRate: %d", bitRate); 355 if (bitRate <= 0) { 356 ALOGE("Invalid audio encoding bit rate: %d", bitRate); 357 return BAD_VALUE; 358 } 359 360 // The target bit rate may not be exactly the same as the requested. 361 // It depends on many factors, such as rate control, and the bit rate 362 // range that a specific encoder supports. The mismatch between the 363 // the target and requested bit rate will NOT be treated as an error. 364 mAudioBitRate = bitRate; 365 return OK; 366} 367 368status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) { 369 ALOGV("setParamVideoEncodingBitRate: %d", bitRate); 370 if (bitRate <= 0) { 371 ALOGE("Invalid video encoding bit rate: %d", bitRate); 372 return BAD_VALUE; 373 } 374 375 // The target bit rate may not be exactly the same as the requested. 376 // It depends on many factors, such as rate control, and the bit rate 377 // range that a specific encoder supports. The mismatch between the 378 // the target and requested bit rate will NOT be treated as an error. 379 mVideoBitRate = bitRate; 380 return OK; 381} 382 383// Always rotate clockwise, and only support 0, 90, 180 and 270 for now. 384status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) { 385 ALOGV("setParamVideoRotation: %d", degrees); 386 if (degrees < 0 || degrees % 90 != 0) { 387 ALOGE("Unsupported video rotation angle: %d", degrees); 388 return BAD_VALUE; 389 } 390 mRotationDegrees = degrees % 360; 391 return OK; 392} 393 394status_t StagefrightRecorder::setParamMaxFileDurationUs(int64_t timeUs) { 395 ALOGV("setParamMaxFileDurationUs: %lld us", timeUs); 396 397 // This is meant for backward compatibility for MediaRecorder.java 398 if (timeUs <= 0) { 399 ALOGW("Max file duration is not positive: %lld us. Disabling duration limit.", timeUs); 400 timeUs = 0; // Disable the duration limit for zero or negative values. 401 } else if (timeUs <= 100000LL) { // XXX: 100 milli-seconds 402 ALOGE("Max file duration is too short: %lld us", timeUs); 403 return BAD_VALUE; 404 } 405 406 if (timeUs <= 15 * 1000000LL) { 407 ALOGW("Target duration (%lld us) too short to be respected", timeUs); 408 } 409 mMaxFileDurationUs = timeUs; 410 return OK; 411} 412 413status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) { 414 ALOGV("setParamMaxFileSizeBytes: %lld bytes", bytes); 415 416 // This is meant for backward compatibility for MediaRecorder.java 417 if (bytes <= 0) { 418 ALOGW("Max file size is not positive: %lld bytes. " 419 "Disabling file size limit.", bytes); 420 bytes = 0; // Disable the file size limit for zero or negative values. 421 } else if (bytes <= 1024) { // XXX: 1 kB 422 ALOGE("Max file size is too small: %lld bytes", bytes); 423 return BAD_VALUE; 424 } 425 426 if (bytes <= 100 * 1024) { 427 ALOGW("Target file size (%lld bytes) is too small to be respected", bytes); 428 } 429 430 mMaxFileSizeBytes = bytes; 431 return OK; 432} 433 434status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) { 435 ALOGV("setParamInterleaveDuration: %d", durationUs); 436 if (durationUs <= 500000) { // 500 ms 437 // If interleave duration is too small, it is very inefficient to do 438 // interleaving since the metadata overhead will count for a significant 439 // portion of the saved contents 440 ALOGE("Audio/video interleave duration is too small: %d us", durationUs); 441 return BAD_VALUE; 442 } else if (durationUs >= 10000000) { // 10 seconds 443 // If interleaving duration is too large, it can cause the recording 444 // session to use too much memory since we have to save the output 445 // data before we write them out 446 ALOGE("Audio/video interleave duration is too large: %d us", durationUs); 447 return BAD_VALUE; 448 } 449 mInterleaveDurationUs = durationUs; 450 return OK; 451} 452 453// If seconds < 0, only the first frame is I frame, and rest are all P frames 454// If seconds == 0, all frames are encoded as I frames. No P frames 455// If seconds > 0, it is the time spacing (seconds) between 2 neighboring I frames 456status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) { 457 ALOGV("setParamVideoIFramesInterval: %d seconds", seconds); 458 mIFramesIntervalSec = seconds; 459 return OK; 460} 461 462status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) { 463 ALOGV("setParam64BitFileOffset: %s", 464 use64Bit? "use 64 bit file offset": "use 32 bit file offset"); 465 mUse64BitFileOffset = use64Bit; 466 return OK; 467} 468 469status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) { 470 ALOGV("setParamVideoCameraId: %d", cameraId); 471 if (cameraId < 0) { 472 return BAD_VALUE; 473 } 474 mCameraId = cameraId; 475 return OK; 476} 477 478status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) { 479 ALOGV("setParamTrackTimeStatus: %lld", timeDurationUs); 480 if (timeDurationUs < 20000) { // Infeasible if shorter than 20 ms? 481 ALOGE("Tracking time duration too short: %lld us", timeDurationUs); 482 return BAD_VALUE; 483 } 484 mTrackEveryTimeDurationUs = timeDurationUs; 485 return OK; 486} 487 488status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) { 489 ALOGV("setParamVideoEncoderProfile: %d", profile); 490 491 // Additional check will be done later when we load the encoder. 492 // For now, we are accepting values defined in OpenMAX IL. 493 mVideoEncoderProfile = profile; 494 return OK; 495} 496 497status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) { 498 ALOGV("setParamVideoEncoderLevel: %d", level); 499 500 // Additional check will be done later when we load the encoder. 501 // For now, we are accepting values defined in OpenMAX IL. 502 mVideoEncoderLevel = level; 503 return OK; 504} 505 506status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) { 507 ALOGV("setParamMovieTimeScale: %d", timeScale); 508 509 // The range is set to be the same as the audio's time scale range 510 // since audio's time scale has a wider range. 511 if (timeScale < 600 || timeScale > 96000) { 512 ALOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale); 513 return BAD_VALUE; 514 } 515 mMovieTimeScale = timeScale; 516 return OK; 517} 518 519status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) { 520 ALOGV("setParamVideoTimeScale: %d", timeScale); 521 522 // 60000 is chosen to make sure that each video frame from a 60-fps 523 // video has 1000 ticks. 524 if (timeScale < 600 || timeScale > 60000) { 525 ALOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale); 526 return BAD_VALUE; 527 } 528 mVideoTimeScale = timeScale; 529 return OK; 530} 531 532status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) { 533 ALOGV("setParamAudioTimeScale: %d", timeScale); 534 535 // 96000 Hz is the highest sampling rate support in AAC. 536 if (timeScale < 600 || timeScale > 96000) { 537 ALOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale); 538 return BAD_VALUE; 539 } 540 mAudioTimeScale = timeScale; 541 return OK; 542} 543 544status_t StagefrightRecorder::setParamTimeLapseEnable(int32_t timeLapseEnable) { 545 ALOGV("setParamTimeLapseEnable: %d", timeLapseEnable); 546 547 if(timeLapseEnable == 0) { 548 mCaptureTimeLapse = false; 549 } else if (timeLapseEnable == 1) { 550 mCaptureTimeLapse = true; 551 } else { 552 return BAD_VALUE; 553 } 554 return OK; 555} 556 557status_t StagefrightRecorder::setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs) { 558 ALOGV("setParamTimeBetweenTimeLapseFrameCapture: %lld us", timeUs); 559 560 // Not allowing time more than a day 561 if (timeUs <= 0 || timeUs > 86400*1E6) { 562 ALOGE("Time between time lapse frame capture (%lld) is out of range [0, 1 Day]", timeUs); 563 return BAD_VALUE; 564 } 565 566 mTimeBetweenTimeLapseFrameCaptureUs = timeUs; 567 return OK; 568} 569 570status_t StagefrightRecorder::setParamGeoDataLongitude( 571 int64_t longitudex10000) { 572 573 if (longitudex10000 > 1800000 || longitudex10000 < -1800000) { 574 return BAD_VALUE; 575 } 576 mLongitudex10000 = longitudex10000; 577 return OK; 578} 579 580status_t StagefrightRecorder::setParamGeoDataLatitude( 581 int64_t latitudex10000) { 582 583 if (latitudex10000 > 900000 || latitudex10000 < -900000) { 584 return BAD_VALUE; 585 } 586 mLatitudex10000 = latitudex10000; 587 return OK; 588} 589 590status_t StagefrightRecorder::setParameter( 591 const String8 &key, const String8 &value) { 592 ALOGV("setParameter: key (%s) => value (%s)", key.string(), value.string()); 593 if (key == "max-duration") { 594 int64_t max_duration_ms; 595 if (safe_strtoi64(value.string(), &max_duration_ms)) { 596 return setParamMaxFileDurationUs(1000LL * max_duration_ms); 597 } 598 } else if (key == "max-filesize") { 599 int64_t max_filesize_bytes; 600 if (safe_strtoi64(value.string(), &max_filesize_bytes)) { 601 return setParamMaxFileSizeBytes(max_filesize_bytes); 602 } 603 } else if (key == "interleave-duration-us") { 604 int32_t durationUs; 605 if (safe_strtoi32(value.string(), &durationUs)) { 606 return setParamInterleaveDuration(durationUs); 607 } 608 } else if (key == "param-movie-time-scale") { 609 int32_t timeScale; 610 if (safe_strtoi32(value.string(), &timeScale)) { 611 return setParamMovieTimeScale(timeScale); 612 } 613 } else if (key == "param-use-64bit-offset") { 614 int32_t use64BitOffset; 615 if (safe_strtoi32(value.string(), &use64BitOffset)) { 616 return setParam64BitFileOffset(use64BitOffset != 0); 617 } 618 } else if (key == "param-geotag-longitude") { 619 int64_t longitudex10000; 620 if (safe_strtoi64(value.string(), &longitudex10000)) { 621 return setParamGeoDataLongitude(longitudex10000); 622 } 623 } else if (key == "param-geotag-latitude") { 624 int64_t latitudex10000; 625 if (safe_strtoi64(value.string(), &latitudex10000)) { 626 return setParamGeoDataLatitude(latitudex10000); 627 } 628 } else if (key == "param-track-time-status") { 629 int64_t timeDurationUs; 630 if (safe_strtoi64(value.string(), &timeDurationUs)) { 631 return setParamTrackTimeStatus(timeDurationUs); 632 } 633 } else if (key == "audio-param-sampling-rate") { 634 int32_t sampling_rate; 635 if (safe_strtoi32(value.string(), &sampling_rate)) { 636 return setParamAudioSamplingRate(sampling_rate); 637 } 638 } else if (key == "audio-param-number-of-channels") { 639 int32_t number_of_channels; 640 if (safe_strtoi32(value.string(), &number_of_channels)) { 641 return setParamAudioNumberOfChannels(number_of_channels); 642 } 643 } else if (key == "audio-param-encoding-bitrate") { 644 int32_t audio_bitrate; 645 if (safe_strtoi32(value.string(), &audio_bitrate)) { 646 return setParamAudioEncodingBitRate(audio_bitrate); 647 } 648 } else if (key == "audio-param-time-scale") { 649 int32_t timeScale; 650 if (safe_strtoi32(value.string(), &timeScale)) { 651 return setParamAudioTimeScale(timeScale); 652 } 653 } else if (key == "video-param-encoding-bitrate") { 654 int32_t video_bitrate; 655 if (safe_strtoi32(value.string(), &video_bitrate)) { 656 return setParamVideoEncodingBitRate(video_bitrate); 657 } 658 } else if (key == "video-param-rotation-angle-degrees") { 659 int32_t degrees; 660 if (safe_strtoi32(value.string(), °rees)) { 661 return setParamVideoRotation(degrees); 662 } 663 } else if (key == "video-param-i-frames-interval") { 664 int32_t seconds; 665 if (safe_strtoi32(value.string(), &seconds)) { 666 return setParamVideoIFramesInterval(seconds); 667 } 668 } else if (key == "video-param-encoder-profile") { 669 int32_t profile; 670 if (safe_strtoi32(value.string(), &profile)) { 671 return setParamVideoEncoderProfile(profile); 672 } 673 } else if (key == "video-param-encoder-level") { 674 int32_t level; 675 if (safe_strtoi32(value.string(), &level)) { 676 return setParamVideoEncoderLevel(level); 677 } 678 } else if (key == "video-param-camera-id") { 679 int32_t cameraId; 680 if (safe_strtoi32(value.string(), &cameraId)) { 681 return setParamVideoCameraId(cameraId); 682 } 683 } else if (key == "video-param-time-scale") { 684 int32_t timeScale; 685 if (safe_strtoi32(value.string(), &timeScale)) { 686 return setParamVideoTimeScale(timeScale); 687 } 688 } else if (key == "time-lapse-enable") { 689 int32_t timeLapseEnable; 690 if (safe_strtoi32(value.string(), &timeLapseEnable)) { 691 return setParamTimeLapseEnable(timeLapseEnable); 692 } 693 } else if (key == "time-between-time-lapse-frame-capture") { 694 int64_t timeBetweenTimeLapseFrameCaptureUs; 695 if (safe_strtoi64(value.string(), &timeBetweenTimeLapseFrameCaptureUs)) { 696 return setParamTimeBetweenTimeLapseFrameCapture( 697 timeBetweenTimeLapseFrameCaptureUs); 698 } 699 } else { 700 ALOGE("setParameter: failed to find key %s", key.string()); 701 } 702 return BAD_VALUE; 703} 704 705status_t StagefrightRecorder::setParameters(const String8 ¶ms) { 706 ALOGV("setParameters: %s", params.string()); 707 const char *cparams = params.string(); 708 const char *key_start = cparams; 709 for (;;) { 710 const char *equal_pos = strchr(key_start, '='); 711 if (equal_pos == NULL) { 712 ALOGE("Parameters %s miss a value", cparams); 713 return BAD_VALUE; 714 } 715 String8 key(key_start, equal_pos - key_start); 716 TrimString(&key); 717 if (key.length() == 0) { 718 ALOGE("Parameters %s contains an empty key", cparams); 719 return BAD_VALUE; 720 } 721 const char *value_start = equal_pos + 1; 722 const char *semicolon_pos = strchr(value_start, ';'); 723 String8 value; 724 if (semicolon_pos == NULL) { 725 value.setTo(value_start); 726 } else { 727 value.setTo(value_start, semicolon_pos - value_start); 728 } 729 if (setParameter(key, value) != OK) { 730 return BAD_VALUE; 731 } 732 if (semicolon_pos == NULL) { 733 break; // Reaches the end 734 } 735 key_start = semicolon_pos + 1; 736 } 737 return OK; 738} 739 740status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) { 741 mListener = listener; 742 743 return OK; 744} 745 746status_t StagefrightRecorder::setClientName(const String16& clientName) { 747 mClientName = clientName; 748 749 return OK; 750} 751 752status_t StagefrightRecorder::prepareInternal() { 753 ALOGV("prepare"); 754 if (mOutputFd < 0) { 755 ALOGE("Output file descriptor is invalid"); 756 return INVALID_OPERATION; 757 } 758 759 // Get UID here for permission checking 760 mClientUid = IPCThreadState::self()->getCallingUid(); 761 762 status_t status = OK; 763 764 switch (mOutputFormat) { 765 case OUTPUT_FORMAT_DEFAULT: 766 case OUTPUT_FORMAT_THREE_GPP: 767 case OUTPUT_FORMAT_MPEG_4: 768 case OUTPUT_FORMAT_WEBM: 769 status = setupMPEG4orWEBMRecording(); 770 break; 771 772 case OUTPUT_FORMAT_AMR_NB: 773 case OUTPUT_FORMAT_AMR_WB: 774 status = setupAMRRecording(); 775 break; 776 777 case OUTPUT_FORMAT_AAC_ADIF: 778 case OUTPUT_FORMAT_AAC_ADTS: 779 status = setupAACRecording(); 780 break; 781 782 case OUTPUT_FORMAT_RTP_AVP: 783 status = setupRTPRecording(); 784 break; 785 786 case OUTPUT_FORMAT_MPEG2TS: 787 status = setupMPEG2TSRecording(); 788 break; 789 790 default: 791 ALOGE("Unsupported output file format: %d", mOutputFormat); 792 status = UNKNOWN_ERROR; 793 break; 794 } 795 796 return status; 797} 798 799status_t StagefrightRecorder::prepare() { 800 if (mVideoSource == VIDEO_SOURCE_SURFACE) { 801 return prepareInternal(); 802 } 803 return OK; 804} 805 806status_t StagefrightRecorder::start() { 807 ALOGV("start"); 808 if (mOutputFd < 0) { 809 ALOGE("Output file descriptor is invalid"); 810 return INVALID_OPERATION; 811 } 812 813 status_t status = OK; 814 815 if (mVideoSource != VIDEO_SOURCE_SURFACE) { 816 status = prepareInternal(); 817 if (status != OK) { 818 return status; 819 } 820 } 821 822 if (mWriter == NULL) { 823 ALOGE("File writer is not avaialble"); 824 return UNKNOWN_ERROR; 825 } 826 827 switch (mOutputFormat) { 828 case OUTPUT_FORMAT_DEFAULT: 829 case OUTPUT_FORMAT_THREE_GPP: 830 case OUTPUT_FORMAT_MPEG_4: 831 case OUTPUT_FORMAT_WEBM: 832 { 833 bool isMPEG4 = true; 834 if (mOutputFormat == OUTPUT_FORMAT_WEBM) { 835 isMPEG4 = false; 836 } 837 sp<MetaData> meta = new MetaData; 838 setupMPEG4orWEBMMetaData(&meta); 839 status = mWriter->start(meta.get()); 840 break; 841 } 842 843 case OUTPUT_FORMAT_AMR_NB: 844 case OUTPUT_FORMAT_AMR_WB: 845 case OUTPUT_FORMAT_AAC_ADIF: 846 case OUTPUT_FORMAT_AAC_ADTS: 847 case OUTPUT_FORMAT_RTP_AVP: 848 case OUTPUT_FORMAT_MPEG2TS: 849 { 850 status = mWriter->start(); 851 break; 852 } 853 854 default: 855 { 856 ALOGE("Unsupported output file format: %d", mOutputFormat); 857 status = UNKNOWN_ERROR; 858 break; 859 } 860 } 861 862 if (status != OK) { 863 mWriter.clear(); 864 mWriter = NULL; 865 } 866 867 if ((status == OK) && (!mStarted)) { 868 mStarted = true; 869 870 uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted; 871 if (mAudioSource != AUDIO_SOURCE_CNT) { 872 params |= IMediaPlayerService::kBatteryDataTrackAudio; 873 } 874 if (mVideoSource != VIDEO_SOURCE_LIST_END) { 875 params |= IMediaPlayerService::kBatteryDataTrackVideo; 876 } 877 878 addBatteryData(params); 879 } 880 881 return status; 882} 883 884sp<MediaSource> StagefrightRecorder::createAudioSource() { 885 sp<AudioSource> audioSource = 886 new AudioSource( 887 mAudioSource, 888 mSampleRate, 889 mAudioChannels); 890 891 status_t err = audioSource->initCheck(); 892 893 if (err != OK) { 894 ALOGE("audio source is not initialized"); 895 return NULL; 896 } 897 898 sp<AMessage> format = new AMessage; 899 const char *mime; 900 switch (mAudioEncoder) { 901 case AUDIO_ENCODER_AMR_NB: 902 case AUDIO_ENCODER_DEFAULT: 903 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB); 904 break; 905 case AUDIO_ENCODER_AMR_WB: 906 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB); 907 break; 908 case AUDIO_ENCODER_AAC: 909 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC); 910 format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC); 911 break; 912 case AUDIO_ENCODER_HE_AAC: 913 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC); 914 format->setInt32("aac-profile", OMX_AUDIO_AACObjectHE); 915 break; 916 case AUDIO_ENCODER_AAC_ELD: 917 format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC); 918 format->setInt32("aac-profile", OMX_AUDIO_AACObjectELD); 919 break; 920 921 default: 922 ALOGE("Unknown audio encoder: %d", mAudioEncoder); 923 return NULL; 924 } 925 926 int32_t maxInputSize; 927 CHECK(audioSource->getFormat()->findInt32( 928 kKeyMaxInputSize, &maxInputSize)); 929 930 format->setInt32("max-input-size", maxInputSize); 931 format->setInt32("channel-count", mAudioChannels); 932 format->setInt32("sample-rate", mSampleRate); 933 format->setInt32("bitrate", mAudioBitRate); 934 if (mAudioTimeScale > 0) { 935 format->setInt32("time-scale", mAudioTimeScale); 936 } 937 938 sp<MediaSource> audioEncoder = 939 MediaCodecSource::Create(mLooper, format, audioSource); 940 mAudioSourceNode = audioSource; 941 942 if (audioEncoder == NULL) { 943 ALOGE("Failed to create audio encoder"); 944 } 945 946 return audioEncoder; 947} 948 949status_t StagefrightRecorder::setupAACRecording() { 950 // FIXME: 951 // Add support for OUTPUT_FORMAT_AAC_ADIF 952 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_AAC_ADTS); 953 954 CHECK(mAudioEncoder == AUDIO_ENCODER_AAC || 955 mAudioEncoder == AUDIO_ENCODER_HE_AAC || 956 mAudioEncoder == AUDIO_ENCODER_AAC_ELD); 957 CHECK(mAudioSource != AUDIO_SOURCE_CNT); 958 959 mWriter = new AACWriter(mOutputFd); 960 return setupRawAudioRecording(); 961} 962 963status_t StagefrightRecorder::setupAMRRecording() { 964 CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB || 965 mOutputFormat == OUTPUT_FORMAT_AMR_WB); 966 967 if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) { 968 if (mAudioEncoder != AUDIO_ENCODER_DEFAULT && 969 mAudioEncoder != AUDIO_ENCODER_AMR_NB) { 970 ALOGE("Invalid encoder %d used for AMRNB recording", 971 mAudioEncoder); 972 return BAD_VALUE; 973 } 974 } else { // mOutputFormat must be OUTPUT_FORMAT_AMR_WB 975 if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) { 976 ALOGE("Invlaid encoder %d used for AMRWB recording", 977 mAudioEncoder); 978 return BAD_VALUE; 979 } 980 } 981 982 mWriter = new AMRWriter(mOutputFd); 983 return setupRawAudioRecording(); 984} 985 986status_t StagefrightRecorder::setupRawAudioRecording() { 987 if (mAudioSource >= AUDIO_SOURCE_CNT) { 988 ALOGE("Invalid audio source: %d", mAudioSource); 989 return BAD_VALUE; 990 } 991 992 status_t status = BAD_VALUE; 993 if (OK != (status = checkAudioEncoderCapabilities())) { 994 return status; 995 } 996 997 sp<MediaSource> audioEncoder = createAudioSource(); 998 if (audioEncoder == NULL) { 999 return UNKNOWN_ERROR; 1000 } 1001 1002 CHECK(mWriter != 0); 1003 mWriter->addSource(audioEncoder); 1004 1005 if (mMaxFileDurationUs != 0) { 1006 mWriter->setMaxFileDuration(mMaxFileDurationUs); 1007 } 1008 if (mMaxFileSizeBytes != 0) { 1009 mWriter->setMaxFileSize(mMaxFileSizeBytes); 1010 } 1011 mWriter->setListener(mListener); 1012 1013 return OK; 1014} 1015 1016status_t StagefrightRecorder::setupRTPRecording() { 1017 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP); 1018 1019 if ((mAudioSource != AUDIO_SOURCE_CNT 1020 && mVideoSource != VIDEO_SOURCE_LIST_END) 1021 || (mAudioSource == AUDIO_SOURCE_CNT 1022 && mVideoSource == VIDEO_SOURCE_LIST_END)) { 1023 // Must have exactly one source. 1024 return BAD_VALUE; 1025 } 1026 1027 if (mOutputFd < 0) { 1028 return BAD_VALUE; 1029 } 1030 1031 sp<MediaSource> source; 1032 1033 if (mAudioSource != AUDIO_SOURCE_CNT) { 1034 source = createAudioSource(); 1035 } else { 1036 1037 sp<MediaSource> mediaSource; 1038 status_t err = setupMediaSource(&mediaSource); 1039 if (err != OK) { 1040 return err; 1041 } 1042 1043 err = setupVideoEncoder(mediaSource, &source); 1044 if (err != OK) { 1045 return err; 1046 } 1047 } 1048 1049 mWriter = new ARTPWriter(mOutputFd); 1050 mWriter->addSource(source); 1051 mWriter->setListener(mListener); 1052 1053 return OK; 1054} 1055 1056status_t StagefrightRecorder::setupMPEG2TSRecording() { 1057 CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS); 1058 1059 sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd); 1060 1061 if (mAudioSource != AUDIO_SOURCE_CNT) { 1062 if (mAudioEncoder != AUDIO_ENCODER_AAC && 1063 mAudioEncoder != AUDIO_ENCODER_HE_AAC && 1064 mAudioEncoder != AUDIO_ENCODER_AAC_ELD) { 1065 return ERROR_UNSUPPORTED; 1066 } 1067 1068 status_t err = setupAudioEncoder(writer); 1069 1070 if (err != OK) { 1071 return err; 1072 } 1073 } 1074 1075 if (mVideoSource < VIDEO_SOURCE_LIST_END) { 1076 if (mVideoEncoder != VIDEO_ENCODER_H264) { 1077 return ERROR_UNSUPPORTED; 1078 } 1079 1080 sp<MediaSource> mediaSource; 1081 status_t err = setupMediaSource(&mediaSource); 1082 if (err != OK) { 1083 return err; 1084 } 1085 1086 sp<MediaSource> encoder; 1087 err = setupVideoEncoder(mediaSource, &encoder); 1088 1089 if (err != OK) { 1090 return err; 1091 } 1092 1093 writer->addSource(encoder); 1094 } 1095 1096 if (mMaxFileDurationUs != 0) { 1097 writer->setMaxFileDuration(mMaxFileDurationUs); 1098 } 1099 1100 if (mMaxFileSizeBytes != 0) { 1101 writer->setMaxFileSize(mMaxFileSizeBytes); 1102 } 1103 1104 mWriter = writer; 1105 1106 return OK; 1107} 1108 1109void StagefrightRecorder::clipVideoFrameRate() { 1110 ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder); 1111 int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName( 1112 "enc.vid.fps.min", mVideoEncoder); 1113 int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName( 1114 "enc.vid.fps.max", mVideoEncoder); 1115 if (mFrameRate < minFrameRate && minFrameRate != -1) { 1116 ALOGW("Intended video encoding frame rate (%d fps) is too small" 1117 " and will be set to (%d fps)", mFrameRate, minFrameRate); 1118 mFrameRate = minFrameRate; 1119 } else if (mFrameRate > maxFrameRate && maxFrameRate != -1) { 1120 ALOGW("Intended video encoding frame rate (%d fps) is too large" 1121 " and will be set to (%d fps)", mFrameRate, maxFrameRate); 1122 mFrameRate = maxFrameRate; 1123 } 1124} 1125 1126void StagefrightRecorder::clipVideoBitRate() { 1127 ALOGV("clipVideoBitRate: encoder %d", mVideoEncoder); 1128 int minBitRate = mEncoderProfiles->getVideoEncoderParamByName( 1129 "enc.vid.bps.min", mVideoEncoder); 1130 int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName( 1131 "enc.vid.bps.max", mVideoEncoder); 1132 if (mVideoBitRate < minBitRate && minBitRate != -1) { 1133 ALOGW("Intended video encoding bit rate (%d bps) is too small" 1134 " and will be set to (%d bps)", mVideoBitRate, minBitRate); 1135 mVideoBitRate = minBitRate; 1136 } else if (mVideoBitRate > maxBitRate && maxBitRate != -1) { 1137 ALOGW("Intended video encoding bit rate (%d bps) is too large" 1138 " and will be set to (%d bps)", mVideoBitRate, maxBitRate); 1139 mVideoBitRate = maxBitRate; 1140 } 1141} 1142 1143void StagefrightRecorder::clipVideoFrameWidth() { 1144 ALOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder); 1145 int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( 1146 "enc.vid.width.min", mVideoEncoder); 1147 int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( 1148 "enc.vid.width.max", mVideoEncoder); 1149 if (mVideoWidth < minFrameWidth && minFrameWidth != -1) { 1150 ALOGW("Intended video encoding frame width (%d) is too small" 1151 " and will be set to (%d)", mVideoWidth, minFrameWidth); 1152 mVideoWidth = minFrameWidth; 1153 } else if (mVideoWidth > maxFrameWidth && maxFrameWidth != -1) { 1154 ALOGW("Intended video encoding frame width (%d) is too large" 1155 " and will be set to (%d)", mVideoWidth, maxFrameWidth); 1156 mVideoWidth = maxFrameWidth; 1157 } 1158} 1159 1160status_t StagefrightRecorder::checkVideoEncoderCapabilities( 1161 bool *supportsCameraSourceMetaDataMode) { 1162 /* hardware codecs must support camera source meta data mode */ 1163 Vector<CodecCapabilities> codecs; 1164 OMXClient client; 1165 CHECK_EQ(client.connect(), (status_t)OK); 1166 QueryCodecs( 1167 client.interface(), 1168 (mVideoEncoder == VIDEO_ENCODER_H263 ? MEDIA_MIMETYPE_VIDEO_H263 : 1169 mVideoEncoder == VIDEO_ENCODER_MPEG_4_SP ? MEDIA_MIMETYPE_VIDEO_MPEG4 : 1170 mVideoEncoder == VIDEO_ENCODER_H264 ? MEDIA_MIMETYPE_VIDEO_AVC : ""), 1171 false /* decoder */, true /* hwCodec */, &codecs); 1172 *supportsCameraSourceMetaDataMode = codecs.size() > 0; 1173 ALOGV("encoder %s camera source meta-data mode", 1174 *supportsCameraSourceMetaDataMode ? "supports" : "DOES NOT SUPPORT"); 1175 1176 if (!mCaptureTimeLapse) { 1177 // Dont clip for time lapse capture as encoder will have enough 1178 // time to encode because of slow capture rate of time lapse. 1179 clipVideoBitRate(); 1180 clipVideoFrameRate(); 1181 clipVideoFrameWidth(); 1182 clipVideoFrameHeight(); 1183 setDefaultProfileIfNecessary(); 1184 } 1185 return OK; 1186} 1187 1188// Set to use AVC baseline profile if the encoding parameters matches 1189// CAMCORDER_QUALITY_LOW profile; this is for the sake of MMS service. 1190void StagefrightRecorder::setDefaultProfileIfNecessary() { 1191 ALOGV("setDefaultProfileIfNecessary"); 1192 1193 camcorder_quality quality = CAMCORDER_QUALITY_LOW; 1194 1195 int64_t durationUs = mEncoderProfiles->getCamcorderProfileParamByName( 1196 "duration", mCameraId, quality) * 1000000LL; 1197 1198 int fileFormat = mEncoderProfiles->getCamcorderProfileParamByName( 1199 "file.format", mCameraId, quality); 1200 1201 int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1202 "vid.codec", mCameraId, quality); 1203 1204 int videoBitRate = mEncoderProfiles->getCamcorderProfileParamByName( 1205 "vid.bps", mCameraId, quality); 1206 1207 int videoFrameRate = mEncoderProfiles->getCamcorderProfileParamByName( 1208 "vid.fps", mCameraId, quality); 1209 1210 int videoFrameWidth = mEncoderProfiles->getCamcorderProfileParamByName( 1211 "vid.width", mCameraId, quality); 1212 1213 int videoFrameHeight = mEncoderProfiles->getCamcorderProfileParamByName( 1214 "vid.height", mCameraId, quality); 1215 1216 int audioCodec = mEncoderProfiles->getCamcorderProfileParamByName( 1217 "aud.codec", mCameraId, quality); 1218 1219 int audioBitRate = mEncoderProfiles->getCamcorderProfileParamByName( 1220 "aud.bps", mCameraId, quality); 1221 1222 int audioSampleRate = mEncoderProfiles->getCamcorderProfileParamByName( 1223 "aud.hz", mCameraId, quality); 1224 1225 int audioChannels = mEncoderProfiles->getCamcorderProfileParamByName( 1226 "aud.ch", mCameraId, quality); 1227 1228 if (durationUs == mMaxFileDurationUs && 1229 fileFormat == mOutputFormat && 1230 videoCodec == mVideoEncoder && 1231 videoBitRate == mVideoBitRate && 1232 videoFrameRate == mFrameRate && 1233 videoFrameWidth == mVideoWidth && 1234 videoFrameHeight == mVideoHeight && 1235 audioCodec == mAudioEncoder && 1236 audioBitRate == mAudioBitRate && 1237 audioSampleRate == mSampleRate && 1238 audioChannels == mAudioChannels) { 1239 if (videoCodec == VIDEO_ENCODER_H264) { 1240 ALOGI("Force to use AVC baseline profile"); 1241 setParamVideoEncoderProfile(OMX_VIDEO_AVCProfileBaseline); 1242 } 1243 } 1244} 1245 1246status_t StagefrightRecorder::checkAudioEncoderCapabilities() { 1247 clipAudioBitRate(); 1248 clipAudioSampleRate(); 1249 clipNumberOfAudioChannels(); 1250 return OK; 1251} 1252 1253void StagefrightRecorder::clipAudioBitRate() { 1254 ALOGV("clipAudioBitRate: encoder %d", mAudioEncoder); 1255 1256 int minAudioBitRate = 1257 mEncoderProfiles->getAudioEncoderParamByName( 1258 "enc.aud.bps.min", mAudioEncoder); 1259 if (minAudioBitRate != -1 && mAudioBitRate < minAudioBitRate) { 1260 ALOGW("Intended audio encoding bit rate (%d) is too small" 1261 " and will be set to (%d)", mAudioBitRate, minAudioBitRate); 1262 mAudioBitRate = minAudioBitRate; 1263 } 1264 1265 int maxAudioBitRate = 1266 mEncoderProfiles->getAudioEncoderParamByName( 1267 "enc.aud.bps.max", mAudioEncoder); 1268 if (maxAudioBitRate != -1 && mAudioBitRate > maxAudioBitRate) { 1269 ALOGW("Intended audio encoding bit rate (%d) is too large" 1270 " and will be set to (%d)", mAudioBitRate, maxAudioBitRate); 1271 mAudioBitRate = maxAudioBitRate; 1272 } 1273} 1274 1275void StagefrightRecorder::clipAudioSampleRate() { 1276 ALOGV("clipAudioSampleRate: encoder %d", mAudioEncoder); 1277 1278 int minSampleRate = 1279 mEncoderProfiles->getAudioEncoderParamByName( 1280 "enc.aud.hz.min", mAudioEncoder); 1281 if (minSampleRate != -1 && mSampleRate < minSampleRate) { 1282 ALOGW("Intended audio sample rate (%d) is too small" 1283 " and will be set to (%d)", mSampleRate, minSampleRate); 1284 mSampleRate = minSampleRate; 1285 } 1286 1287 int maxSampleRate = 1288 mEncoderProfiles->getAudioEncoderParamByName( 1289 "enc.aud.hz.max", mAudioEncoder); 1290 if (maxSampleRate != -1 && mSampleRate > maxSampleRate) { 1291 ALOGW("Intended audio sample rate (%d) is too large" 1292 " and will be set to (%d)", mSampleRate, maxSampleRate); 1293 mSampleRate = maxSampleRate; 1294 } 1295} 1296 1297void StagefrightRecorder::clipNumberOfAudioChannels() { 1298 ALOGV("clipNumberOfAudioChannels: encoder %d", mAudioEncoder); 1299 1300 int minChannels = 1301 mEncoderProfiles->getAudioEncoderParamByName( 1302 "enc.aud.ch.min", mAudioEncoder); 1303 if (minChannels != -1 && mAudioChannels < minChannels) { 1304 ALOGW("Intended number of audio channels (%d) is too small" 1305 " and will be set to (%d)", mAudioChannels, minChannels); 1306 mAudioChannels = minChannels; 1307 } 1308 1309 int maxChannels = 1310 mEncoderProfiles->getAudioEncoderParamByName( 1311 "enc.aud.ch.max", mAudioEncoder); 1312 if (maxChannels != -1 && mAudioChannels > maxChannels) { 1313 ALOGW("Intended number of audio channels (%d) is too large" 1314 " and will be set to (%d)", mAudioChannels, maxChannels); 1315 mAudioChannels = maxChannels; 1316 } 1317} 1318 1319void StagefrightRecorder::clipVideoFrameHeight() { 1320 ALOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder); 1321 int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( 1322 "enc.vid.height.min", mVideoEncoder); 1323 int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( 1324 "enc.vid.height.max", mVideoEncoder); 1325 if (minFrameHeight != -1 && mVideoHeight < minFrameHeight) { 1326 ALOGW("Intended video encoding frame height (%d) is too small" 1327 " and will be set to (%d)", mVideoHeight, minFrameHeight); 1328 mVideoHeight = minFrameHeight; 1329 } else if (maxFrameHeight != -1 && mVideoHeight > maxFrameHeight) { 1330 ALOGW("Intended video encoding frame height (%d) is too large" 1331 " and will be set to (%d)", mVideoHeight, maxFrameHeight); 1332 mVideoHeight = maxFrameHeight; 1333 } 1334} 1335 1336// Set up the appropriate MediaSource depending on the chosen option 1337status_t StagefrightRecorder::setupMediaSource( 1338 sp<MediaSource> *mediaSource) { 1339 if (mVideoSource == VIDEO_SOURCE_DEFAULT 1340 || mVideoSource == VIDEO_SOURCE_CAMERA) { 1341 sp<CameraSource> cameraSource; 1342 status_t err = setupCameraSource(&cameraSource); 1343 if (err != OK) { 1344 return err; 1345 } 1346 *mediaSource = cameraSource; 1347 } else if (mVideoSource == VIDEO_SOURCE_SURFACE) { 1348 *mediaSource = NULL; 1349 } else { 1350 return INVALID_OPERATION; 1351 } 1352 return OK; 1353} 1354 1355status_t StagefrightRecorder::setupCameraSource( 1356 sp<CameraSource> *cameraSource) { 1357 status_t err = OK; 1358 bool encoderSupportsCameraSourceMetaDataMode; 1359 if ((err = checkVideoEncoderCapabilities( 1360 &encoderSupportsCameraSourceMetaDataMode)) != OK) { 1361 return err; 1362 } 1363 Size videoSize; 1364 videoSize.width = mVideoWidth; 1365 videoSize.height = mVideoHeight; 1366 if (mCaptureTimeLapse) { 1367 if (mTimeBetweenTimeLapseFrameCaptureUs < 0) { 1368 ALOGE("Invalid mTimeBetweenTimeLapseFrameCaptureUs value: %lld", 1369 mTimeBetweenTimeLapseFrameCaptureUs); 1370 return BAD_VALUE; 1371 } 1372 1373 mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera( 1374 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, 1375 videoSize, mFrameRate, mPreviewSurface, 1376 mTimeBetweenTimeLapseFrameCaptureUs, 1377 encoderSupportsCameraSourceMetaDataMode); 1378 *cameraSource = mCameraSourceTimeLapse; 1379 } else { 1380 *cameraSource = CameraSource::CreateFromCamera( 1381 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid, 1382 videoSize, mFrameRate, 1383 mPreviewSurface, encoderSupportsCameraSourceMetaDataMode); 1384 } 1385 mCamera.clear(); 1386 mCameraProxy.clear(); 1387 if (*cameraSource == NULL) { 1388 return UNKNOWN_ERROR; 1389 } 1390 1391 if ((*cameraSource)->initCheck() != OK) { 1392 (*cameraSource).clear(); 1393 *cameraSource = NULL; 1394 return NO_INIT; 1395 } 1396 1397 // When frame rate is not set, the actual frame rate will be set to 1398 // the current frame rate being used. 1399 if (mFrameRate == -1) { 1400 int32_t frameRate = 0; 1401 CHECK ((*cameraSource)->getFormat()->findInt32( 1402 kKeyFrameRate, &frameRate)); 1403 ALOGI("Frame rate is not explicitly set. Use the current frame " 1404 "rate (%d fps)", frameRate); 1405 mFrameRate = frameRate; 1406 } 1407 1408 CHECK(mFrameRate != -1); 1409 1410 mIsMetaDataStoredInVideoBuffers = 1411 (*cameraSource)->isMetaDataStoredInVideoBuffers(); 1412 1413 return OK; 1414} 1415 1416status_t StagefrightRecorder::setupVideoEncoder( 1417 sp<MediaSource> cameraSource, 1418 sp<MediaSource> *source) { 1419 source->clear(); 1420 1421 sp<AMessage> format = new AMessage(); 1422 1423 switch (mVideoEncoder) { 1424 case VIDEO_ENCODER_H263: 1425 format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263); 1426 break; 1427 1428 case VIDEO_ENCODER_MPEG_4_SP: 1429 format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4); 1430 break; 1431 1432 case VIDEO_ENCODER_H264: 1433 format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC); 1434 break; 1435 1436 case VIDEO_ENCODER_VP8: 1437 format->setString("mime", MEDIA_MIMETYPE_VIDEO_VP8); 1438 break; 1439 1440 default: 1441 CHECK(!"Should not be here, unsupported video encoding."); 1442 break; 1443 } 1444 1445 if (cameraSource != NULL) { 1446 sp<MetaData> meta = cameraSource->getFormat(); 1447 1448 int32_t width, height, stride, sliceHeight, colorFormat; 1449 CHECK(meta->findInt32(kKeyWidth, &width)); 1450 CHECK(meta->findInt32(kKeyHeight, &height)); 1451 CHECK(meta->findInt32(kKeyStride, &stride)); 1452 CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight)); 1453 CHECK(meta->findInt32(kKeyColorFormat, &colorFormat)); 1454 1455 format->setInt32("width", width); 1456 format->setInt32("height", height); 1457 format->setInt32("stride", stride); 1458 format->setInt32("slice-height", sliceHeight); 1459 format->setInt32("color-format", colorFormat); 1460 } else { 1461 format->setInt32("width", mVideoWidth); 1462 format->setInt32("height", mVideoHeight); 1463 format->setInt32("stride", mVideoWidth); 1464 format->setInt32("slice-height", mVideoWidth); 1465 format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque); 1466 1467 // set up time lapse/slow motion for surface source 1468 if (mCaptureTimeLapse) { 1469 if (mTimeBetweenTimeLapseFrameCaptureUs <= 0) { 1470 ALOGE("Invalid mTimeBetweenTimeLapseFrameCaptureUs value: %lld", 1471 mTimeBetweenTimeLapseFrameCaptureUs); 1472 return BAD_VALUE; 1473 } 1474 format->setInt64("time-lapse", 1475 mTimeBetweenTimeLapseFrameCaptureUs); 1476 } 1477 } 1478 1479 format->setInt32("bitrate", mVideoBitRate); 1480 format->setInt32("frame-rate", mFrameRate); 1481 format->setInt32("i-frame-interval", mIFramesIntervalSec); 1482 1483 if (mVideoTimeScale > 0) { 1484 format->setInt32("time-scale", mVideoTimeScale); 1485 } 1486 if (mVideoEncoderProfile != -1) { 1487 format->setInt32("profile", mVideoEncoderProfile); 1488 } 1489 if (mVideoEncoderLevel != -1) { 1490 format->setInt32("level", mVideoEncoderLevel); 1491 } 1492 1493 uint32_t flags = 0; 1494 if (mIsMetaDataStoredInVideoBuffers) { 1495 flags |= MediaCodecSource::FLAG_USE_METADATA_INPUT; 1496 } 1497 1498 if (cameraSource == NULL) { 1499 flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT; 1500 } 1501 1502 sp<MediaCodecSource> encoder = 1503 MediaCodecSource::Create(mLooper, format, cameraSource, flags); 1504 if (encoder == NULL) { 1505 ALOGE("Failed to create video encoder"); 1506 // When the encoder fails to be created, we need 1507 // release the camera source due to the camera's lock 1508 // and unlock mechanism. 1509 if (cameraSource != NULL) { 1510 cameraSource->stop(); 1511 } 1512 return UNKNOWN_ERROR; 1513 } 1514 1515 if (cameraSource == NULL) { 1516 mGraphicBufferProducer = encoder->getGraphicBufferProducer(); 1517 } 1518 1519 *source = encoder; 1520 1521 return OK; 1522} 1523 1524status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) { 1525 status_t status = BAD_VALUE; 1526 if (OK != (status = checkAudioEncoderCapabilities())) { 1527 return status; 1528 } 1529 1530 switch(mAudioEncoder) { 1531 case AUDIO_ENCODER_AMR_NB: 1532 case AUDIO_ENCODER_AMR_WB: 1533 case AUDIO_ENCODER_AAC: 1534 case AUDIO_ENCODER_HE_AAC: 1535 case AUDIO_ENCODER_AAC_ELD: 1536 break; 1537 1538 default: 1539 ALOGE("Unsupported audio encoder: %d", mAudioEncoder); 1540 return UNKNOWN_ERROR; 1541 } 1542 1543 sp<MediaSource> audioEncoder = createAudioSource(); 1544 if (audioEncoder == NULL) { 1545 return UNKNOWN_ERROR; 1546 } 1547 1548 writer->addSource(audioEncoder); 1549 return OK; 1550} 1551 1552status_t StagefrightRecorder::setupMPEG4orWEBMRecording() { 1553 mWriter.clear(); 1554 mTotalBitRate = 0; 1555 1556 status_t err = OK; 1557 sp<MediaWriter> writer; 1558 if (mOutputFormat == OUTPUT_FORMAT_WEBM) { 1559 writer = new WebmWriter(mOutputFd); 1560 } else { 1561 writer = new MPEG4Writer(mOutputFd); 1562 } 1563 1564 if (mVideoSource < VIDEO_SOURCE_LIST_END) { 1565 1566 sp<MediaSource> mediaSource; 1567 err = setupMediaSource(&mediaSource); 1568 if (err != OK) { 1569 return err; 1570 } 1571 1572 sp<MediaSource> encoder; 1573 err = setupVideoEncoder(mediaSource, &encoder); 1574 if (err != OK) { 1575 return err; 1576 } 1577 1578 writer->addSource(encoder); 1579 mTotalBitRate += mVideoBitRate; 1580 } 1581 1582 if (mOutputFormat != OUTPUT_FORMAT_WEBM) { 1583 // Audio source is added at the end if it exists. 1584 // This help make sure that the "recoding" sound is suppressed for 1585 // camcorder applications in the recorded files. 1586 // TODO Audio source is currently unsupported for webm output; vorbis encoder needed. 1587 if (!mCaptureTimeLapse && (mAudioSource != AUDIO_SOURCE_CNT)) { 1588 err = setupAudioEncoder(writer); 1589 if (err != OK) return err; 1590 mTotalBitRate += mAudioBitRate; 1591 } 1592 1593 if (mInterleaveDurationUs > 0) { 1594 reinterpret_cast<MPEG4Writer *>(writer.get())-> 1595 setInterleaveDuration(mInterleaveDurationUs); 1596 } 1597 if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) { 1598 reinterpret_cast<MPEG4Writer *>(writer.get())-> 1599 setGeoData(mLatitudex10000, mLongitudex10000); 1600 } 1601 } 1602 if (mMaxFileDurationUs != 0) { 1603 writer->setMaxFileDuration(mMaxFileDurationUs); 1604 } 1605 if (mMaxFileSizeBytes != 0) { 1606 writer->setMaxFileSize(mMaxFileSizeBytes); 1607 } 1608 if (mVideoSource == VIDEO_SOURCE_DEFAULT 1609 || mVideoSource == VIDEO_SOURCE_CAMERA) { 1610 mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId); 1611 } else if (mVideoSource == VIDEO_SOURCE_SURFACE) { 1612 // surface source doesn't need large initial delay 1613 mStartTimeOffsetMs = 200; 1614 } 1615 if (mStartTimeOffsetMs > 0) { 1616 writer->setStartTimeOffsetMs(mStartTimeOffsetMs); 1617 } 1618 1619 writer->setListener(mListener); 1620 mWriter = writer; 1621 return OK; 1622} 1623 1624void StagefrightRecorder::setupMPEG4orWEBMMetaData(sp<MetaData> *meta) { 1625 int64_t startTimeUs = systemTime() / 1000; 1626 (*meta)->setInt64(kKeyTime, startTimeUs); 1627 (*meta)->setInt32(kKeyFileType, mOutputFormat); 1628 (*meta)->setInt32(kKeyBitRate, mTotalBitRate); 1629 if (mMovieTimeScale > 0) { 1630 (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale); 1631 } 1632 if (mOutputFormat != OUTPUT_FORMAT_WEBM) { 1633 (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset); 1634 if (mTrackEveryTimeDurationUs > 0) { 1635 (*meta)->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs); 1636 } 1637 if (mRotationDegrees != 0) { 1638 (*meta)->setInt32(kKeyRotation, mRotationDegrees); 1639 } 1640 } 1641} 1642 1643status_t StagefrightRecorder::pause() { 1644 ALOGV("pause"); 1645 if (mWriter == NULL) { 1646 return UNKNOWN_ERROR; 1647 } 1648 mWriter->pause(); 1649 1650 if (mStarted) { 1651 mStarted = false; 1652 1653 uint32_t params = 0; 1654 if (mAudioSource != AUDIO_SOURCE_CNT) { 1655 params |= IMediaPlayerService::kBatteryDataTrackAudio; 1656 } 1657 if (mVideoSource != VIDEO_SOURCE_LIST_END) { 1658 params |= IMediaPlayerService::kBatteryDataTrackVideo; 1659 } 1660 1661 addBatteryData(params); 1662 } 1663 1664 1665 return OK; 1666} 1667 1668status_t StagefrightRecorder::stop() { 1669 ALOGV("stop"); 1670 status_t err = OK; 1671 1672 if (mCaptureTimeLapse && mCameraSourceTimeLapse != NULL) { 1673 mCameraSourceTimeLapse->startQuickReadReturns(); 1674 mCameraSourceTimeLapse = NULL; 1675 } 1676 1677 if (mWriter != NULL) { 1678 err = mWriter->stop(); 1679 mWriter.clear(); 1680 } 1681 1682 mGraphicBufferProducer.clear(); 1683 1684 if (mOutputFd >= 0) { 1685 ::close(mOutputFd); 1686 mOutputFd = -1; 1687 } 1688 1689 if (mStarted) { 1690 mStarted = false; 1691 1692 uint32_t params = 0; 1693 if (mAudioSource != AUDIO_SOURCE_CNT) { 1694 params |= IMediaPlayerService::kBatteryDataTrackAudio; 1695 } 1696 if (mVideoSource != VIDEO_SOURCE_LIST_END) { 1697 params |= IMediaPlayerService::kBatteryDataTrackVideo; 1698 } 1699 1700 addBatteryData(params); 1701 } 1702 1703 return err; 1704} 1705 1706status_t StagefrightRecorder::close() { 1707 ALOGV("close"); 1708 stop(); 1709 1710 return OK; 1711} 1712 1713status_t StagefrightRecorder::reset() { 1714 ALOGV("reset"); 1715 stop(); 1716 1717 // No audio or video source by default 1718 mAudioSource = AUDIO_SOURCE_CNT; 1719 mVideoSource = VIDEO_SOURCE_LIST_END; 1720 1721 // Default parameters 1722 mOutputFormat = OUTPUT_FORMAT_THREE_GPP; 1723 mAudioEncoder = AUDIO_ENCODER_AMR_NB; 1724 mVideoEncoder = VIDEO_ENCODER_H263; 1725 mVideoWidth = 176; 1726 mVideoHeight = 144; 1727 mFrameRate = -1; 1728 mVideoBitRate = 192000; 1729 mSampleRate = 8000; 1730 mAudioChannels = 1; 1731 mAudioBitRate = 12200; 1732 mInterleaveDurationUs = 0; 1733 mIFramesIntervalSec = 1; 1734 mAudioSourceNode = 0; 1735 mUse64BitFileOffset = false; 1736 mMovieTimeScale = -1; 1737 mAudioTimeScale = -1; 1738 mVideoTimeScale = -1; 1739 mCameraId = 0; 1740 mStartTimeOffsetMs = -1; 1741 mVideoEncoderProfile = -1; 1742 mVideoEncoderLevel = -1; 1743 mMaxFileDurationUs = 0; 1744 mMaxFileSizeBytes = 0; 1745 mTrackEveryTimeDurationUs = 0; 1746 mCaptureTimeLapse = false; 1747 mTimeBetweenTimeLapseFrameCaptureUs = -1; 1748 mCameraSourceTimeLapse = NULL; 1749 mIsMetaDataStoredInVideoBuffers = false; 1750 mEncoderProfiles = MediaProfiles::getInstance(); 1751 mRotationDegrees = 0; 1752 mLatitudex10000 = -3600000; 1753 mLongitudex10000 = -3600000; 1754 mTotalBitRate = 0; 1755 1756 mOutputFd = -1; 1757 1758 return OK; 1759} 1760 1761status_t StagefrightRecorder::getMaxAmplitude(int *max) { 1762 ALOGV("getMaxAmplitude"); 1763 1764 if (max == NULL) { 1765 ALOGE("Null pointer argument"); 1766 return BAD_VALUE; 1767 } 1768 1769 if (mAudioSourceNode != 0) { 1770 *max = mAudioSourceNode->getMaxAmplitude(); 1771 } else { 1772 *max = 0; 1773 } 1774 1775 return OK; 1776} 1777 1778status_t StagefrightRecorder::dump( 1779 int fd, const Vector<String16>& args) const { 1780 ALOGV("dump"); 1781 const size_t SIZE = 256; 1782 char buffer[SIZE]; 1783 String8 result; 1784 if (mWriter != 0) { 1785 mWriter->dump(fd, args); 1786 } else { 1787 snprintf(buffer, SIZE, " No file writer\n"); 1788 result.append(buffer); 1789 } 1790 snprintf(buffer, SIZE, " Recorder: %p\n", this); 1791 snprintf(buffer, SIZE, " Output file (fd %d):\n", mOutputFd); 1792 result.append(buffer); 1793 snprintf(buffer, SIZE, " File format: %d\n", mOutputFormat); 1794 result.append(buffer); 1795 snprintf(buffer, SIZE, " Max file size (bytes): %" PRId64 "\n", mMaxFileSizeBytes); 1796 result.append(buffer); 1797 snprintf(buffer, SIZE, " Max file duration (us): %" PRId64 "\n", mMaxFileDurationUs); 1798 result.append(buffer); 1799 snprintf(buffer, SIZE, " File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32); 1800 result.append(buffer); 1801 snprintf(buffer, SIZE, " Interleave duration (us): %d\n", mInterleaveDurationUs); 1802 result.append(buffer); 1803 snprintf(buffer, SIZE, " Progress notification: %" PRId64 " us\n", mTrackEveryTimeDurationUs); 1804 result.append(buffer); 1805 snprintf(buffer, SIZE, " Audio\n"); 1806 result.append(buffer); 1807 snprintf(buffer, SIZE, " Source: %d\n", mAudioSource); 1808 result.append(buffer); 1809 snprintf(buffer, SIZE, " Encoder: %d\n", mAudioEncoder); 1810 result.append(buffer); 1811 snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mAudioBitRate); 1812 result.append(buffer); 1813 snprintf(buffer, SIZE, " Sampling rate (hz): %d\n", mSampleRate); 1814 result.append(buffer); 1815 snprintf(buffer, SIZE, " Number of channels: %d\n", mAudioChannels); 1816 result.append(buffer); 1817 snprintf(buffer, SIZE, " Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude()); 1818 result.append(buffer); 1819 snprintf(buffer, SIZE, " Video\n"); 1820 result.append(buffer); 1821 snprintf(buffer, SIZE, " Source: %d\n", mVideoSource); 1822 result.append(buffer); 1823 snprintf(buffer, SIZE, " Camera Id: %d\n", mCameraId); 1824 result.append(buffer); 1825 snprintf(buffer, SIZE, " Start time offset (ms): %d\n", mStartTimeOffsetMs); 1826 result.append(buffer); 1827 snprintf(buffer, SIZE, " Encoder: %d\n", mVideoEncoder); 1828 result.append(buffer); 1829 snprintf(buffer, SIZE, " Encoder profile: %d\n", mVideoEncoderProfile); 1830 result.append(buffer); 1831 snprintf(buffer, SIZE, " Encoder level: %d\n", mVideoEncoderLevel); 1832 result.append(buffer); 1833 snprintf(buffer, SIZE, " I frames interval (s): %d\n", mIFramesIntervalSec); 1834 result.append(buffer); 1835 snprintf(buffer, SIZE, " Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight); 1836 result.append(buffer); 1837 snprintf(buffer, SIZE, " Frame rate (fps): %d\n", mFrameRate); 1838 result.append(buffer); 1839 snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mVideoBitRate); 1840 result.append(buffer); 1841 ::write(fd, result.string(), result.size()); 1842 return OK; 1843} 1844} // namespace android 1845