1 /* 2 * Copyright (C) 2012 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_TAG "Camera2-Parameters" 18 #define ATRACE_TAG ATRACE_TAG_CAMERA 19 // #define LOG_NDEBUG 0 20 21 #include <utils/Log.h> 22 #include <utils/Trace.h> 23 #include <utils/Vector.h> 24 #include <utils/SortedVector.h> 25 26 #include <math.h> 27 #include <stdlib.h> 28 #include <cutils/properties.h> 29 30 #include "Parameters.h" 31 #include "system/camera.h" 32 #include "hardware/camera_common.h" 33 #include <android/hardware/ICamera.h> 34 #include <media/MediaProfiles.h> 35 #include <media/mediarecorder.h> 36 37 namespace android { 38 namespace camera2 { 39 40 Parameters::Parameters(int cameraId, 41 int cameraFacing) : 42 cameraId(cameraId), 43 cameraFacing(cameraFacing), 44 info(NULL) { 45 } 46 47 Parameters::~Parameters() { 48 } 49 50 status_t Parameters::initialize(const CameraMetadata *info, int deviceVersion) { 51 status_t res; 52 53 if (info->entryCount() == 0) { 54 ALOGE("%s: No static information provided!", __FUNCTION__); 55 return BAD_VALUE; 56 } 57 Parameters::info = info; 58 mDeviceVersion = deviceVersion; 59 60 res = buildFastInfo(); 61 if (res != OK) return res; 62 63 res = buildQuirks(); 64 if (res != OK) return res; 65 66 const Size MAX_PREVIEW_SIZE = { MAX_PREVIEW_WIDTH, MAX_PREVIEW_HEIGHT }; 67 // Treat the H.264 max size as the max supported video size. 68 MediaProfiles *videoEncoderProfiles = MediaProfiles::getInstance(); 69 Vector<video_encoder> encoders = videoEncoderProfiles->getVideoEncoders(); 70 int32_t maxVideoWidth = 0; 71 int32_t maxVideoHeight = 0; 72 for (size_t i = 0; i < encoders.size(); i++) { 73 int width = videoEncoderProfiles->getVideoEncoderParamByName( 74 "enc.vid.width.max", encoders[i]); 75 int height = videoEncoderProfiles->getVideoEncoderParamByName( 76 "enc.vid.height.max", encoders[i]); 77 // Treat width/height separately here to handle the case where different 78 // profile might report max size of different aspect ratio 79 if (width > maxVideoWidth) { 80 maxVideoWidth = width; 81 } 82 if (height > maxVideoHeight) { 83 maxVideoHeight = height; 84 } 85 } 86 // This is just an upper bound and may not be an actually valid video size 87 const Size VIDEO_SIZE_UPPER_BOUND = {maxVideoWidth, maxVideoHeight}; 88 89 res = getFilteredSizes(MAX_PREVIEW_SIZE, &availablePreviewSizes); 90 if (res != OK) return res; 91 res = getFilteredSizes(VIDEO_SIZE_UPPER_BOUND, &availableVideoSizes); 92 if (res != OK) return res; 93 94 // Select initial preview and video size that's under the initial bound and 95 // on the list of both preview and recording sizes 96 previewWidth = 0; 97 previewHeight = 0; 98 for (size_t i = 0 ; i < availablePreviewSizes.size(); i++) { 99 int newWidth = availablePreviewSizes[i].width; 100 int newHeight = availablePreviewSizes[i].height; 101 if (newWidth >= previewWidth && newHeight >= previewHeight && 102 newWidth <= MAX_INITIAL_PREVIEW_WIDTH && 103 newHeight <= MAX_INITIAL_PREVIEW_HEIGHT) { 104 for (size_t j = 0; j < availableVideoSizes.size(); j++) { 105 if (availableVideoSizes[j].width == newWidth && 106 availableVideoSizes[j].height == newHeight) { 107 previewWidth = newWidth; 108 previewHeight = newHeight; 109 } 110 } 111 } 112 } 113 if (previewWidth == 0) { 114 ALOGE("%s: No initial preview size can be found!", __FUNCTION__); 115 return BAD_VALUE; 116 } 117 videoWidth = previewWidth; 118 videoHeight = previewHeight; 119 120 params.setPreviewSize(previewWidth, previewHeight); 121 params.setVideoSize(videoWidth, videoHeight); 122 params.set(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO, 123 String8::format("%dx%d", 124 previewWidth, previewHeight)); 125 { 126 String8 supportedPreviewSizes; 127 for (size_t i = 0; i < availablePreviewSizes.size(); i++) { 128 if (i != 0) supportedPreviewSizes += ","; 129 supportedPreviewSizes += String8::format("%dx%d", 130 availablePreviewSizes[i].width, 131 availablePreviewSizes[i].height); 132 } 133 ALOGV("Supported preview sizes are: %s", supportedPreviewSizes.string()); 134 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, 135 supportedPreviewSizes); 136 137 String8 supportedVideoSizes; 138 for (size_t i = 0; i < availableVideoSizes.size(); i++) { 139 if (i != 0) supportedVideoSizes += ","; 140 supportedVideoSizes += String8::format("%dx%d", 141 availableVideoSizes[i].width, 142 availableVideoSizes[i].height); 143 } 144 ALOGV("Supported video sizes are: %s", supportedVideoSizes.string()); 145 params.set(CameraParameters::KEY_SUPPORTED_VIDEO_SIZES, 146 supportedVideoSizes); 147 } 148 149 camera_metadata_ro_entry_t availableFpsRanges = 150 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 151 if (!availableFpsRanges.count) return NO_INIT; 152 153 previewFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; 154 params.set(CameraParameters::KEY_PREVIEW_FORMAT, 155 formatEnumToString(previewFormat)); // NV21 156 157 previewTransform = degToTransform(0, 158 cameraFacing == CAMERA_FACING_FRONT); 159 160 { 161 String8 supportedPreviewFormats; 162 SortedVector<int32_t> outputFormats = getAvailableOutputFormats(); 163 bool addComma = false; 164 for (size_t i=0; i < outputFormats.size(); i++) { 165 if (addComma) supportedPreviewFormats += ","; 166 addComma = true; 167 switch (outputFormats[i]) { 168 case HAL_PIXEL_FORMAT_YCbCr_422_SP: 169 supportedPreviewFormats += 170 CameraParameters::PIXEL_FORMAT_YUV422SP; 171 break; 172 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 173 supportedPreviewFormats += 174 CameraParameters::PIXEL_FORMAT_YUV420SP; 175 break; 176 case HAL_PIXEL_FORMAT_YCbCr_422_I: 177 supportedPreviewFormats += 178 CameraParameters::PIXEL_FORMAT_YUV422I; 179 break; 180 case HAL_PIXEL_FORMAT_YV12: 181 supportedPreviewFormats += 182 CameraParameters::PIXEL_FORMAT_YUV420P; 183 break; 184 case HAL_PIXEL_FORMAT_RGB_565: 185 supportedPreviewFormats += 186 CameraParameters::PIXEL_FORMAT_RGB565; 187 break; 188 case HAL_PIXEL_FORMAT_RGBA_8888: 189 supportedPreviewFormats += 190 CameraParameters::PIXEL_FORMAT_RGBA8888; 191 break; 192 case HAL_PIXEL_FORMAT_YCbCr_420_888: 193 // Flexible YUV allows both YV12 and NV21 194 supportedPreviewFormats += 195 CameraParameters::PIXEL_FORMAT_YUV420P; 196 supportedPreviewFormats += ","; 197 supportedPreviewFormats += 198 CameraParameters::PIXEL_FORMAT_YUV420SP; 199 break; 200 // Not advertizing JPEG, RAW16, etc, for preview formats 201 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 202 case HAL_PIXEL_FORMAT_RAW16: 203 case HAL_PIXEL_FORMAT_BLOB: 204 addComma = false; 205 break; 206 207 default: 208 ALOGW("%s: Camera %d: Unknown preview format: %x", 209 __FUNCTION__, cameraId, outputFormats[i]); 210 addComma = false; 211 break; 212 } 213 } 214 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS, 215 supportedPreviewFormats); 216 } 217 218 previewFpsRange[0] = fastInfo.bestStillCaptureFpsRange[0]; 219 previewFpsRange[1] = fastInfo.bestStillCaptureFpsRange[1]; 220 221 // PREVIEW_FRAME_RATE / SUPPORTED_PREVIEW_FRAME_RATES are deprecated, but 222 // still have to do something sane for them 223 224 // NOTE: Not scaled like FPS range values are. 225 int previewFps = fpsFromRange(previewFpsRange[0], previewFpsRange[1]); 226 params.set(CameraParameters::KEY_PREVIEW_FRAME_RATE, 227 previewFps); 228 229 // PREVIEW_FPS_RANGE 230 // -- Order matters. Set range after single value to so that a roundtrip 231 // of setParameters(getParameters()) would keep the FPS range in higher 232 // order. 233 params.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, 234 String8::format("%d,%d", 235 previewFpsRange[0] * kFpsToApiScale, 236 previewFpsRange[1] * kFpsToApiScale)); 237 238 { 239 String8 supportedPreviewFpsRange; 240 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 241 if (!isFpsSupported(availablePreviewSizes, 242 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, availableFpsRanges.data.i32[i+1])) { 243 continue; 244 } 245 if (i != 0) supportedPreviewFpsRange += ","; 246 supportedPreviewFpsRange += String8::format("(%d,%d)", 247 availableFpsRanges.data.i32[i] * kFpsToApiScale, 248 availableFpsRanges.data.i32[i+1] * kFpsToApiScale); 249 } 250 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FPS_RANGE, 251 supportedPreviewFpsRange); 252 } 253 254 { 255 SortedVector<int32_t> sortedPreviewFrameRates; 256 257 String8 supportedPreviewFrameRates; 258 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 259 // from the [min, max] fps range use the max value 260 int fps = fpsFromRange(availableFpsRanges.data.i32[i], 261 availableFpsRanges.data.i32[i+1]); 262 if (!isFpsSupported(availablePreviewSizes, 263 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, fps)) { 264 continue; 265 } 266 // de-dupe frame rates 267 if (sortedPreviewFrameRates.indexOf(fps) == NAME_NOT_FOUND) { 268 sortedPreviewFrameRates.add(fps); 269 } 270 else { 271 continue; 272 } 273 274 if (sortedPreviewFrameRates.size() > 1) { 275 supportedPreviewFrameRates += ","; 276 } 277 278 supportedPreviewFrameRates += String8::format("%d", 279 fps); 280 281 ALOGV("%s: Supported preview frame rates: %s", 282 __FUNCTION__, supportedPreviewFrameRates.string()); 283 } 284 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES, 285 supportedPreviewFrameRates); 286 } 287 288 Vector<Size> availableJpegSizes = getAvailableJpegSizes(); 289 if (!availableJpegSizes.size()) return NO_INIT; 290 291 // TODO: Pick maximum 292 pictureWidth = availableJpegSizes[0].width; 293 pictureHeight = availableJpegSizes[0].height; 294 pictureWidthLastSet = pictureWidth; 295 pictureHeightLastSet = pictureHeight; 296 pictureSizeOverriden = false; 297 298 params.setPictureSize(pictureWidth, 299 pictureHeight); 300 301 { 302 String8 supportedPictureSizes; 303 for (size_t i=0; i < availableJpegSizes.size(); i++) { 304 if (i != 0) supportedPictureSizes += ","; 305 supportedPictureSizes += String8::format("%dx%d", 306 availableJpegSizes[i].width, 307 availableJpegSizes[i].height); 308 } 309 params.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, 310 supportedPictureSizes); 311 } 312 313 params.setPictureFormat(CameraParameters::PIXEL_FORMAT_JPEG); 314 params.set(CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS, 315 CameraParameters::PIXEL_FORMAT_JPEG); 316 317 camera_metadata_ro_entry_t availableJpegThumbnailSizes = 318 staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, 4); 319 if (!availableJpegThumbnailSizes.count) return NO_INIT; 320 321 // Pick the largest thumbnail size that matches still image aspect ratio. 322 ALOG_ASSERT(pictureWidth > 0 && pictureHeight > 0, 323 "Invalid picture size, %d x %d", pictureWidth, pictureHeight); 324 float picAspectRatio = static_cast<float>(pictureWidth) / pictureHeight; 325 Size thumbnailSize = 326 getMaxSizeForRatio( 327 picAspectRatio, 328 &availableJpegThumbnailSizes.data.i32[0], 329 availableJpegThumbnailSizes.count); 330 jpegThumbSize[0] = thumbnailSize.width; 331 jpegThumbSize[1] = thumbnailSize.height; 332 333 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, 334 jpegThumbSize[0]); 335 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, 336 jpegThumbSize[1]); 337 338 { 339 String8 supportedJpegThumbSizes; 340 for (size_t i=0; i < availableJpegThumbnailSizes.count; i += 2) { 341 if (i != 0) supportedJpegThumbSizes += ","; 342 supportedJpegThumbSizes += String8::format("%dx%d", 343 availableJpegThumbnailSizes.data.i32[i], 344 availableJpegThumbnailSizes.data.i32[i+1]); 345 } 346 params.set(CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES, 347 supportedJpegThumbSizes); 348 } 349 350 jpegThumbQuality = 90; 351 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY, 352 jpegThumbQuality); 353 jpegQuality = 90; 354 params.set(CameraParameters::KEY_JPEG_QUALITY, 355 jpegQuality); 356 jpegRotation = 0; 357 params.set(CameraParameters::KEY_ROTATION, 358 jpegRotation); 359 360 gpsEnabled = false; 361 gpsCoordinates[0] = 0.0; 362 gpsCoordinates[1] = 0.0; 363 gpsCoordinates[2] = 0.0; 364 gpsTimestamp = 0; 365 gpsProcessingMethod = "unknown"; 366 // GPS fields in CameraParameters are not set by implementation 367 368 wbMode = ANDROID_CONTROL_AWB_MODE_AUTO; 369 params.set(CameraParameters::KEY_WHITE_BALANCE, 370 CameraParameters::WHITE_BALANCE_AUTO); 371 372 camera_metadata_ro_entry_t availableWhiteBalanceModes = 373 staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 0, 0, false); 374 if (!availableWhiteBalanceModes.count) { 375 params.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, 376 CameraParameters::WHITE_BALANCE_AUTO); 377 } else { 378 String8 supportedWhiteBalance; 379 bool addComma = false; 380 for (size_t i=0; i < availableWhiteBalanceModes.count; i++) { 381 if (addComma) supportedWhiteBalance += ","; 382 addComma = true; 383 switch (availableWhiteBalanceModes.data.u8[i]) { 384 case ANDROID_CONTROL_AWB_MODE_AUTO: 385 supportedWhiteBalance += 386 CameraParameters::WHITE_BALANCE_AUTO; 387 break; 388 case ANDROID_CONTROL_AWB_MODE_INCANDESCENT: 389 supportedWhiteBalance += 390 CameraParameters::WHITE_BALANCE_INCANDESCENT; 391 break; 392 case ANDROID_CONTROL_AWB_MODE_FLUORESCENT: 393 supportedWhiteBalance += 394 CameraParameters::WHITE_BALANCE_FLUORESCENT; 395 break; 396 case ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT: 397 supportedWhiteBalance += 398 CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT; 399 break; 400 case ANDROID_CONTROL_AWB_MODE_DAYLIGHT: 401 supportedWhiteBalance += 402 CameraParameters::WHITE_BALANCE_DAYLIGHT; 403 break; 404 case ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT: 405 supportedWhiteBalance += 406 CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT; 407 break; 408 case ANDROID_CONTROL_AWB_MODE_TWILIGHT: 409 supportedWhiteBalance += 410 CameraParameters::WHITE_BALANCE_TWILIGHT; 411 break; 412 case ANDROID_CONTROL_AWB_MODE_SHADE: 413 supportedWhiteBalance += 414 CameraParameters::WHITE_BALANCE_SHADE; 415 break; 416 // Skipping values not mappable to v1 API 417 case ANDROID_CONTROL_AWB_MODE_OFF: 418 addComma = false; 419 break; 420 default: 421 ALOGW("%s: Camera %d: Unknown white balance value: %d", 422 __FUNCTION__, cameraId, 423 availableWhiteBalanceModes.data.u8[i]); 424 addComma = false; 425 break; 426 } 427 } 428 params.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, 429 supportedWhiteBalance); 430 } 431 432 effectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 433 params.set(CameraParameters::KEY_EFFECT, 434 CameraParameters::EFFECT_NONE); 435 436 camera_metadata_ro_entry_t availableEffects = 437 staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS, 0, 0, false); 438 if (!availableEffects.count) { 439 params.set(CameraParameters::KEY_SUPPORTED_EFFECTS, 440 CameraParameters::EFFECT_NONE); 441 } else { 442 String8 supportedEffects; 443 bool addComma = false; 444 for (size_t i=0; i < availableEffects.count; i++) { 445 if (addComma) supportedEffects += ","; 446 addComma = true; 447 switch (availableEffects.data.u8[i]) { 448 case ANDROID_CONTROL_EFFECT_MODE_OFF: 449 supportedEffects += 450 CameraParameters::EFFECT_NONE; 451 break; 452 case ANDROID_CONTROL_EFFECT_MODE_MONO: 453 supportedEffects += 454 CameraParameters::EFFECT_MONO; 455 break; 456 case ANDROID_CONTROL_EFFECT_MODE_NEGATIVE: 457 supportedEffects += 458 CameraParameters::EFFECT_NEGATIVE; 459 break; 460 case ANDROID_CONTROL_EFFECT_MODE_SOLARIZE: 461 supportedEffects += 462 CameraParameters::EFFECT_SOLARIZE; 463 break; 464 case ANDROID_CONTROL_EFFECT_MODE_SEPIA: 465 supportedEffects += 466 CameraParameters::EFFECT_SEPIA; 467 break; 468 case ANDROID_CONTROL_EFFECT_MODE_POSTERIZE: 469 supportedEffects += 470 CameraParameters::EFFECT_POSTERIZE; 471 break; 472 case ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD: 473 supportedEffects += 474 CameraParameters::EFFECT_WHITEBOARD; 475 break; 476 case ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD: 477 supportedEffects += 478 CameraParameters::EFFECT_BLACKBOARD; 479 break; 480 case ANDROID_CONTROL_EFFECT_MODE_AQUA: 481 supportedEffects += 482 CameraParameters::EFFECT_AQUA; 483 break; 484 default: 485 ALOGW("%s: Camera %d: Unknown effect value: %d", 486 __FUNCTION__, cameraId, availableEffects.data.u8[i]); 487 addComma = false; 488 break; 489 } 490 } 491 params.set(CameraParameters::KEY_SUPPORTED_EFFECTS, supportedEffects); 492 } 493 494 antibandingMode = ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO; 495 params.set(CameraParameters::KEY_ANTIBANDING, 496 CameraParameters::ANTIBANDING_AUTO); 497 498 camera_metadata_ro_entry_t availableAntibandingModes = 499 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, 0, 0, false); 500 if (!availableAntibandingModes.count) { 501 params.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, 502 CameraParameters::ANTIBANDING_OFF); 503 } else { 504 String8 supportedAntibanding; 505 bool addComma = false; 506 for (size_t i=0; i < availableAntibandingModes.count; i++) { 507 if (addComma) supportedAntibanding += ","; 508 addComma = true; 509 switch (availableAntibandingModes.data.u8[i]) { 510 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF: 511 supportedAntibanding += 512 CameraParameters::ANTIBANDING_OFF; 513 break; 514 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ: 515 supportedAntibanding += 516 CameraParameters::ANTIBANDING_50HZ; 517 break; 518 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ: 519 supportedAntibanding += 520 CameraParameters::ANTIBANDING_60HZ; 521 break; 522 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO: 523 supportedAntibanding += 524 CameraParameters::ANTIBANDING_AUTO; 525 break; 526 default: 527 ALOGW("%s: Camera %d: Unknown antibanding value: %d", 528 __FUNCTION__, cameraId, 529 availableAntibandingModes.data.u8[i]); 530 addComma = false; 531 break; 532 } 533 } 534 params.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, 535 supportedAntibanding); 536 } 537 538 sceneMode = ANDROID_CONTROL_SCENE_MODE_DISABLED; 539 params.set(CameraParameters::KEY_SCENE_MODE, 540 CameraParameters::SCENE_MODE_AUTO); 541 542 camera_metadata_ro_entry_t availableSceneModes = 543 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 0, 0, false); 544 if (!availableSceneModes.count) { 545 params.remove(CameraParameters::KEY_SCENE_MODE); 546 } else { 547 String8 supportedSceneModes(CameraParameters::SCENE_MODE_AUTO); 548 bool addComma = true; 549 bool noSceneModes = false; 550 for (size_t i=0; i < availableSceneModes.count; i++) { 551 if (addComma) supportedSceneModes += ","; 552 addComma = true; 553 switch (availableSceneModes.data.u8[i]) { 554 case ANDROID_CONTROL_SCENE_MODE_DISABLED: 555 noSceneModes = true; 556 break; 557 case ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY: 558 // Not in old API 559 addComma = false; 560 break; 561 case ANDROID_CONTROL_SCENE_MODE_ACTION: 562 supportedSceneModes += 563 CameraParameters::SCENE_MODE_ACTION; 564 break; 565 case ANDROID_CONTROL_SCENE_MODE_PORTRAIT: 566 supportedSceneModes += 567 CameraParameters::SCENE_MODE_PORTRAIT; 568 break; 569 case ANDROID_CONTROL_SCENE_MODE_LANDSCAPE: 570 supportedSceneModes += 571 CameraParameters::SCENE_MODE_LANDSCAPE; 572 break; 573 case ANDROID_CONTROL_SCENE_MODE_NIGHT: 574 supportedSceneModes += 575 CameraParameters::SCENE_MODE_NIGHT; 576 break; 577 case ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT: 578 supportedSceneModes += 579 CameraParameters::SCENE_MODE_NIGHT_PORTRAIT; 580 break; 581 case ANDROID_CONTROL_SCENE_MODE_THEATRE: 582 supportedSceneModes += 583 CameraParameters::SCENE_MODE_THEATRE; 584 break; 585 case ANDROID_CONTROL_SCENE_MODE_BEACH: 586 supportedSceneModes += 587 CameraParameters::SCENE_MODE_BEACH; 588 break; 589 case ANDROID_CONTROL_SCENE_MODE_SNOW: 590 supportedSceneModes += 591 CameraParameters::SCENE_MODE_SNOW; 592 break; 593 case ANDROID_CONTROL_SCENE_MODE_SUNSET: 594 supportedSceneModes += 595 CameraParameters::SCENE_MODE_SUNSET; 596 break; 597 case ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO: 598 supportedSceneModes += 599 CameraParameters::SCENE_MODE_STEADYPHOTO; 600 break; 601 case ANDROID_CONTROL_SCENE_MODE_FIREWORKS: 602 supportedSceneModes += 603 CameraParameters::SCENE_MODE_FIREWORKS; 604 break; 605 case ANDROID_CONTROL_SCENE_MODE_SPORTS: 606 supportedSceneModes += 607 CameraParameters::SCENE_MODE_SPORTS; 608 break; 609 case ANDROID_CONTROL_SCENE_MODE_PARTY: 610 supportedSceneModes += 611 CameraParameters::SCENE_MODE_PARTY; 612 break; 613 case ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT: 614 supportedSceneModes += 615 CameraParameters::SCENE_MODE_CANDLELIGHT; 616 break; 617 case ANDROID_CONTROL_SCENE_MODE_BARCODE: 618 supportedSceneModes += 619 CameraParameters::SCENE_MODE_BARCODE; 620 break; 621 case ANDROID_CONTROL_SCENE_MODE_HDR: 622 supportedSceneModes += 623 CameraParameters::SCENE_MODE_HDR; 624 break; 625 default: 626 ALOGW("%s: Camera %d: Unknown scene mode value: %d", 627 __FUNCTION__, cameraId, 628 availableSceneModes.data.u8[i]); 629 addComma = false; 630 break; 631 } 632 } 633 if (!noSceneModes) { 634 params.set(CameraParameters::KEY_SUPPORTED_SCENE_MODES, 635 supportedSceneModes); 636 } else { 637 params.remove(CameraParameters::KEY_SCENE_MODE); 638 } 639 } 640 641 bool isFlashAvailable = false; 642 camera_metadata_ro_entry_t flashAvailable = 643 staticInfo(ANDROID_FLASH_INFO_AVAILABLE, 0, 1, false); 644 if (flashAvailable.count) { 645 isFlashAvailable = flashAvailable.data.u8[0]; 646 } 647 648 camera_metadata_ro_entry_t availableAeModes = 649 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES, 0, 0, false); 650 651 flashMode = Parameters::FLASH_MODE_OFF; 652 if (isFlashAvailable) { 653 params.set(CameraParameters::KEY_FLASH_MODE, 654 CameraParameters::FLASH_MODE_OFF); 655 656 String8 supportedFlashModes(CameraParameters::FLASH_MODE_OFF); 657 supportedFlashModes = supportedFlashModes + 658 "," + CameraParameters::FLASH_MODE_AUTO + 659 "," + CameraParameters::FLASH_MODE_ON + 660 "," + CameraParameters::FLASH_MODE_TORCH; 661 for (size_t i=0; i < availableAeModes.count; i++) { 662 if (availableAeModes.data.u8[i] == 663 ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE) { 664 supportedFlashModes = supportedFlashModes + "," + 665 CameraParameters::FLASH_MODE_RED_EYE; 666 break; 667 } 668 } 669 params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES, 670 supportedFlashModes); 671 } else { 672 // No flash means null flash mode and supported flash modes keys, so 673 // remove them just to be safe 674 params.remove(CameraParameters::KEY_FLASH_MODE); 675 params.remove(CameraParameters::KEY_SUPPORTED_FLASH_MODES); 676 } 677 678 camera_metadata_ro_entry_t minFocusDistance = 679 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 1, false); 680 681 camera_metadata_ro_entry_t availableAfModes = 682 staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES, 0, 0, false); 683 684 if (!minFocusDistance.count || minFocusDistance.data.f[0] == 0) { 685 // Fixed-focus lens 686 focusMode = Parameters::FOCUS_MODE_FIXED; 687 params.set(CameraParameters::KEY_FOCUS_MODE, 688 CameraParameters::FOCUS_MODE_FIXED); 689 params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, 690 CameraParameters::FOCUS_MODE_FIXED); 691 } else { 692 focusMode = Parameters::FOCUS_MODE_AUTO; 693 params.set(CameraParameters::KEY_FOCUS_MODE, 694 CameraParameters::FOCUS_MODE_AUTO); 695 String8 supportedFocusModes; 696 bool addComma = false; 697 camera_metadata_ro_entry_t focusDistanceCalibration = 698 staticInfo(ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION, 0, 0, false); 699 700 if (focusDistanceCalibration.count && 701 focusDistanceCalibration.data.u8[0] != 702 ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED) { 703 supportedFocusModes += CameraParameters::FOCUS_MODE_INFINITY; 704 addComma = true; 705 } 706 707 for (size_t i=0; i < availableAfModes.count; i++) { 708 if (addComma) supportedFocusModes += ","; 709 addComma = true; 710 switch (availableAfModes.data.u8[i]) { 711 case ANDROID_CONTROL_AF_MODE_AUTO: 712 supportedFocusModes += 713 CameraParameters::FOCUS_MODE_AUTO; 714 break; 715 case ANDROID_CONTROL_AF_MODE_MACRO: 716 supportedFocusModes += 717 CameraParameters::FOCUS_MODE_MACRO; 718 break; 719 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 720 supportedFocusModes += 721 CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO; 722 break; 723 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 724 supportedFocusModes += 725 CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE; 726 break; 727 case ANDROID_CONTROL_AF_MODE_EDOF: 728 supportedFocusModes += 729 CameraParameters::FOCUS_MODE_EDOF; 730 break; 731 // Not supported in old API 732 case ANDROID_CONTROL_AF_MODE_OFF: 733 addComma = false; 734 break; 735 default: 736 ALOGW("%s: Camera %d: Unknown AF mode value: %d", 737 __FUNCTION__, cameraId, availableAfModes.data.u8[i]); 738 addComma = false; 739 break; 740 } 741 } 742 params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, 743 supportedFocusModes); 744 } 745 focusState = ANDROID_CONTROL_AF_STATE_INACTIVE; 746 shadowFocusMode = FOCUS_MODE_INVALID; 747 748 camera_metadata_ro_entry_t max3aRegions = staticInfo(ANDROID_CONTROL_MAX_REGIONS, 749 Parameters::NUM_REGION, Parameters::NUM_REGION); 750 if (max3aRegions.count != Parameters::NUM_REGION) return NO_INIT; 751 752 int32_t maxNumFocusAreas = 0; 753 if (focusMode != Parameters::FOCUS_MODE_FIXED) { 754 maxNumFocusAreas = max3aRegions.data.i32[Parameters::REGION_AF]; 755 } 756 params.set(CameraParameters::KEY_MAX_NUM_FOCUS_AREAS, maxNumFocusAreas); 757 params.set(CameraParameters::KEY_FOCUS_AREAS, 758 "(0,0,0,0,0)"); 759 focusingAreas.clear(); 760 focusingAreas.add(Parameters::Area(0,0,0,0,0)); 761 762 camera_metadata_ro_entry_t availableFocalLengths = 763 staticInfo(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS, 0, 0, false); 764 if (!availableFocalLengths.count) return NO_INIT; 765 766 float minFocalLength = availableFocalLengths.data.f[0]; 767 params.setFloat(CameraParameters::KEY_FOCAL_LENGTH, minFocalLength); 768 769 float horizFov, vertFov; 770 res = calculatePictureFovs(&horizFov, &vertFov); 771 if (res != OK) { 772 ALOGE("%s: Can't calculate field of views!", __FUNCTION__); 773 return res; 774 } 775 776 params.setFloat(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, horizFov); 777 params.setFloat(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, vertFov); 778 779 exposureCompensation = 0; 780 params.set(CameraParameters::KEY_EXPOSURE_COMPENSATION, 781 exposureCompensation); 782 783 camera_metadata_ro_entry_t exposureCompensationRange = 784 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_RANGE, 2, 2); 785 if (!exposureCompensationRange.count) return NO_INIT; 786 787 params.set(CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION, 788 exposureCompensationRange.data.i32[1]); 789 params.set(CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION, 790 exposureCompensationRange.data.i32[0]); 791 792 camera_metadata_ro_entry_t exposureCompensationStep = 793 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_STEP, 1, 1); 794 if (!exposureCompensationStep.count) return NO_INIT; 795 796 params.setFloat(CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP, 797 (float)exposureCompensationStep.data.r[0].numerator / 798 exposureCompensationStep.data.r[0].denominator); 799 800 autoExposureLock = false; 801 autoExposureLockAvailable = false; 802 camera_metadata_ro_entry_t exposureLockAvailable = 803 staticInfo(ANDROID_CONTROL_AE_LOCK_AVAILABLE, 1, 1); 804 if ((0 < exposureLockAvailable.count) && 805 (ANDROID_CONTROL_AE_LOCK_AVAILABLE_TRUE == 806 exposureLockAvailable.data.u8[0])) { 807 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK, 808 CameraParameters::FALSE); 809 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED, 810 CameraParameters::TRUE); 811 autoExposureLockAvailable = true; 812 } else { 813 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED, 814 CameraParameters::FALSE); 815 } 816 817 autoWhiteBalanceLock = false; 818 autoWhiteBalanceLockAvailable = false; 819 camera_metadata_ro_entry_t whitebalanceLockAvailable = 820 staticInfo(ANDROID_CONTROL_AWB_LOCK_AVAILABLE, 1, 1); 821 if ((0 < whitebalanceLockAvailable.count) && 822 (ANDROID_CONTROL_AWB_LOCK_AVAILABLE_TRUE == 823 whitebalanceLockAvailable.data.u8[0])) { 824 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK, 825 CameraParameters::FALSE); 826 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED, 827 CameraParameters::TRUE); 828 autoWhiteBalanceLockAvailable = true; 829 } else { 830 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED, 831 CameraParameters::FALSE); 832 } 833 834 meteringAreas.add(Parameters::Area(0, 0, 0, 0, 0)); 835 params.set(CameraParameters::KEY_MAX_NUM_METERING_AREAS, 836 max3aRegions.data.i32[Parameters::REGION_AE]); 837 params.set(CameraParameters::KEY_METERING_AREAS, 838 "(0,0,0,0,0)"); 839 840 zoom = 0; 841 zoomAvailable = false; 842 camera_metadata_ro_entry_t maxDigitalZoom = 843 staticInfo(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, /*minCount*/1, /*maxCount*/1); 844 if (!maxDigitalZoom.count) return NO_INIT; 845 846 if (fabs(maxDigitalZoom.data.f[0] - 1.f) > 0.00001f) { 847 params.set(CameraParameters::KEY_ZOOM, zoom); 848 params.set(CameraParameters::KEY_MAX_ZOOM, NUM_ZOOM_STEPS - 1); 849 850 { 851 String8 zoomRatios; 852 float zoom = 1.f; 853 float zoomIncrement = (maxDigitalZoom.data.f[0] - zoom) / 854 (NUM_ZOOM_STEPS-1); 855 bool addComma = false; 856 for (size_t i=0; i < NUM_ZOOM_STEPS; i++) { 857 if (addComma) zoomRatios += ","; 858 addComma = true; 859 zoomRatios += String8::format("%d", static_cast<int>(zoom * 100)); 860 zoom += zoomIncrement; 861 } 862 params.set(CameraParameters::KEY_ZOOM_RATIOS, zoomRatios); 863 } 864 865 params.set(CameraParameters::KEY_ZOOM_SUPPORTED, 866 CameraParameters::TRUE); 867 zoomAvailable = true; 868 } else { 869 params.set(CameraParameters::KEY_ZOOM_SUPPORTED, 870 CameraParameters::FALSE); 871 } 872 params.set(CameraParameters::KEY_SMOOTH_ZOOM_SUPPORTED, 873 CameraParameters::FALSE); 874 875 params.set(CameraParameters::KEY_FOCUS_DISTANCES, 876 "Infinity,Infinity,Infinity"); 877 878 params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_HW, 879 fastInfo.maxFaces); 880 params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_SW, 881 0); 882 883 params.set(CameraParameters::KEY_VIDEO_FRAME_FORMAT, 884 CameraParameters::PIXEL_FORMAT_ANDROID_OPAQUE); 885 886 recordingHint = false; 887 params.set(CameraParameters::KEY_RECORDING_HINT, 888 CameraParameters::FALSE); 889 890 params.set(CameraParameters::KEY_VIDEO_SNAPSHOT_SUPPORTED, 891 CameraParameters::TRUE); 892 893 videoStabilization = false; 894 params.set(CameraParameters::KEY_VIDEO_STABILIZATION, 895 CameraParameters::FALSE); 896 897 camera_metadata_ro_entry_t availableVideoStabilizationModes = 898 staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 0, 0, 899 false); 900 901 if (availableVideoStabilizationModes.count > 1) { 902 params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED, 903 CameraParameters::TRUE); 904 } else { 905 params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED, 906 CameraParameters::FALSE); 907 } 908 909 // Set up initial state for non-Camera.Parameters state variables 910 videoFormat = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 911 videoDataSpace = HAL_DATASPACE_V0_BT709; 912 videoBufferMode = hardware::ICamera::VIDEO_BUFFER_MODE_DATA_CALLBACK_YUV; 913 playShutterSound = true; 914 enableFaceDetect = false; 915 916 enableFocusMoveMessages = false; 917 afTriggerCounter = 1; 918 afStateCounter = 0; 919 currentAfTriggerId = -1; 920 afInMotion = false; 921 922 precaptureTriggerCounter = 1; 923 924 takePictureCounter = 0; 925 926 previewCallbackFlags = 0; 927 previewCallbackOneShot = false; 928 previewCallbackSurface = false; 929 930 Size maxJpegSize = getMaxSize(getAvailableJpegSizes()); 931 int64_t minFrameDurationNs = getJpegStreamMinFrameDurationNs(maxJpegSize); 932 933 slowJpegMode = false; 934 if (minFrameDurationNs > kSlowJpegModeThreshold) { 935 slowJpegMode = true; 936 // Slow jpeg devices does not support video snapshot without 937 // slowing down preview. 938 // TODO: support video size video snapshot only? 939 params.set(CameraParameters::KEY_VIDEO_SNAPSHOT_SUPPORTED, 940 CameraParameters::FALSE); 941 } 942 943 isZslReprocessPresent = false; 944 camera_metadata_ro_entry_t availableCapabilities = 945 staticInfo(ANDROID_REQUEST_AVAILABLE_CAPABILITIES); 946 if (0 < availableCapabilities.count) { 947 const uint8_t *caps = availableCapabilities.data.u8; 948 for (size_t i = 0; i < availableCapabilities.count; i++) { 949 if (ANDROID_REQUEST_AVAILABLE_CAPABILITIES_PRIVATE_REPROCESSING == 950 caps[i]) { 951 isZslReprocessPresent = true; 952 break; 953 } 954 } 955 } 956 957 if (isDeviceZslSupported || slowJpegMode || 958 property_get_bool("camera.disable_zsl_mode", false)) { 959 ALOGI("Camera %d: Disabling ZSL mode", cameraId); 960 allowZslMode = false; 961 } else { 962 allowZslMode = isZslReprocessPresent; 963 } 964 965 ALOGI("%s: allowZslMode: %d slowJpegMode %d", __FUNCTION__, allowZslMode, slowJpegMode); 966 967 state = STOPPED; 968 969 paramsFlattened = params.flatten(); 970 971 return OK; 972 } 973 974 String8 Parameters::get() const { 975 return paramsFlattened; 976 } 977 978 status_t Parameters::buildFastInfo() { 979 980 camera_metadata_ro_entry_t activeArraySize = 981 staticInfo(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, 2, 4); 982 if (!activeArraySize.count) return NO_INIT; 983 int32_t arrayWidth; 984 int32_t arrayHeight; 985 if (activeArraySize.count == 2) { 986 ALOGW("%s: Camera %d: activeArraySize is missing xmin/ymin!", 987 __FUNCTION__, cameraId); 988 arrayWidth = activeArraySize.data.i32[0]; 989 arrayHeight = activeArraySize.data.i32[1]; 990 } else if (activeArraySize.count == 4) { 991 arrayWidth = activeArraySize.data.i32[2]; 992 arrayHeight = activeArraySize.data.i32[3]; 993 } else return NO_INIT; 994 995 // We'll set the target FPS range for still captures to be as wide 996 // as possible to give the HAL maximum latitude for exposure selection 997 camera_metadata_ro_entry_t availableFpsRanges = 998 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 999 if (availableFpsRanges.count < 2 || availableFpsRanges.count % 2 != 0) { 1000 return NO_INIT; 1001 } 1002 1003 // Get supported preview fps ranges, up to default maximum. 1004 Vector<Size> supportedPreviewSizes; 1005 Vector<FpsRange> supportedPreviewFpsRanges; 1006 const Size PREVIEW_SIZE_BOUND = { MAX_PREVIEW_WIDTH, MAX_PREVIEW_HEIGHT }; 1007 status_t res = getFilteredSizes(PREVIEW_SIZE_BOUND, &supportedPreviewSizes); 1008 if (res != OK) return res; 1009 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 1010 if (!isFpsSupported(supportedPreviewSizes, 1011 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, availableFpsRanges.data.i32[i+1]) || 1012 availableFpsRanges.data.i32[i+1] > MAX_DEFAULT_FPS) { 1013 continue; 1014 } 1015 FpsRange fpsRange = {availableFpsRanges.data.i32[i], availableFpsRanges.data.i32[i+1]}; 1016 supportedPreviewFpsRanges.add(fpsRange); 1017 } 1018 if (supportedPreviewFpsRanges.size() == 0) { 1019 ALOGE("Supported preview fps range is empty"); 1020 return NO_INIT; 1021 } 1022 1023 int32_t bestStillCaptureFpsRange[2] = { 1024 supportedPreviewFpsRanges[0].low, supportedPreviewFpsRanges[0].high 1025 }; 1026 int32_t curRange = 1027 bestStillCaptureFpsRange[1] - bestStillCaptureFpsRange[0]; 1028 for (size_t i = 1; i < supportedPreviewFpsRanges.size(); i ++) { 1029 int32_t nextRange = 1030 supportedPreviewFpsRanges[i].high - 1031 supportedPreviewFpsRanges[i].low; 1032 if ( (nextRange > curRange) || // Maximize size of FPS range first 1033 (nextRange == curRange && // Then minimize low-end FPS 1034 bestStillCaptureFpsRange[0] > supportedPreviewFpsRanges[i].low)) { 1035 1036 bestStillCaptureFpsRange[0] = supportedPreviewFpsRanges[i].low; 1037 bestStillCaptureFpsRange[1] = supportedPreviewFpsRanges[i].high; 1038 curRange = nextRange; 1039 } 1040 } 1041 1042 camera_metadata_ro_entry_t availableFaceDetectModes = 1043 staticInfo(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, 0, 0, 1044 false); 1045 1046 uint8_t bestFaceDetectMode = 1047 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 1048 for (size_t i = 0 ; i < availableFaceDetectModes.count; i++) { 1049 switch (availableFaceDetectModes.data.u8[i]) { 1050 case ANDROID_STATISTICS_FACE_DETECT_MODE_OFF: 1051 break; 1052 case ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE: 1053 if (bestFaceDetectMode != 1054 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL) { 1055 bestFaceDetectMode = 1056 ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE; 1057 } 1058 break; 1059 case ANDROID_STATISTICS_FACE_DETECT_MODE_FULL: 1060 bestFaceDetectMode = 1061 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL; 1062 break; 1063 default: 1064 ALOGE("%s: Camera %d: Unknown face detect mode %d:", 1065 __FUNCTION__, cameraId, 1066 availableFaceDetectModes.data.u8[i]); 1067 return NO_INIT; 1068 } 1069 } 1070 1071 int32_t maxFaces = 0; 1072 camera_metadata_ro_entry_t maxFacesDetected = 1073 staticInfo(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT, 0, 1, false); 1074 if (maxFacesDetected.count) { 1075 maxFaces = maxFacesDetected.data.i32[0]; 1076 } 1077 1078 camera_metadata_ro_entry_t availableSceneModes = 1079 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 0, 0, false); 1080 camera_metadata_ro_entry_t sceneModeOverrides = 1081 staticInfo(ANDROID_CONTROL_SCENE_MODE_OVERRIDES, 0, 0, false); 1082 camera_metadata_ro_entry_t minFocusDistance = 1083 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 0, false); 1084 bool fixedLens = minFocusDistance.count == 0 || 1085 minFocusDistance.data.f[0] == 0; 1086 1087 camera_metadata_ro_entry_t focusDistanceCalibration = 1088 staticInfo(ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION, 0, 0, 1089 false); 1090 bool canFocusInfinity = (focusDistanceCalibration.count && 1091 focusDistanceCalibration.data.u8[0] != 1092 ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED); 1093 1094 camera_metadata_ro_entry_t availableFocalLengths = 1095 staticInfo(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS); 1096 if (!availableFocalLengths.count) return NO_INIT; 1097 1098 SortedVector<int32_t> availableFormats = getAvailableOutputFormats(); 1099 if (!availableFormats.size()) return NO_INIT; 1100 1101 1102 if (sceneModeOverrides.count > 0) { 1103 // sceneModeOverrides is defined to have 3 entries for each scene mode, 1104 // which are AE, AWB, and AF override modes the HAL wants for that scene 1105 // mode. 1106 const size_t kModesPerSceneMode = 3; 1107 if (sceneModeOverrides.count != 1108 availableSceneModes.count * kModesPerSceneMode) { 1109 ALOGE("%s: Camera %d: Scene mode override list is an " 1110 "unexpected size: %zu (expected %zu)", __FUNCTION__, 1111 cameraId, sceneModeOverrides.count, 1112 availableSceneModes.count * kModesPerSceneMode); 1113 return NO_INIT; 1114 } 1115 for (size_t i = 0; i < availableSceneModes.count; i++) { 1116 DeviceInfo::OverrideModes modes; 1117 uint8_t aeMode = 1118 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 0]; 1119 switch(aeMode) { 1120 case ANDROID_CONTROL_AE_MODE_ON: 1121 modes.flashMode = FLASH_MODE_OFF; 1122 break; 1123 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH: 1124 modes.flashMode = FLASH_MODE_AUTO; 1125 break; 1126 case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH: 1127 modes.flashMode = FLASH_MODE_ON; 1128 break; 1129 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE: 1130 modes.flashMode = FLASH_MODE_RED_EYE; 1131 break; 1132 default: 1133 ALOGE("%s: Unknown override AE mode: %d", __FUNCTION__, 1134 aeMode); 1135 modes.flashMode = FLASH_MODE_INVALID; 1136 break; 1137 } 1138 modes.wbMode = 1139 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 1]; 1140 uint8_t afMode = 1141 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 2]; 1142 switch(afMode) { 1143 case ANDROID_CONTROL_AF_MODE_OFF: 1144 if (!fixedLens && !canFocusInfinity) { 1145 ALOGE("%s: Camera %d: Scene mode override lists asks for" 1146 " fixed focus on a device with focuser but not" 1147 " calibrated for infinity focus", __FUNCTION__, 1148 cameraId); 1149 return NO_INIT; 1150 } 1151 modes.focusMode = fixedLens ? 1152 FOCUS_MODE_FIXED : FOCUS_MODE_INFINITY; 1153 break; 1154 case ANDROID_CONTROL_AF_MODE_AUTO: 1155 case ANDROID_CONTROL_AF_MODE_MACRO: 1156 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 1157 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 1158 case ANDROID_CONTROL_AF_MODE_EDOF: 1159 modes.focusMode = static_cast<focusMode_t>(afMode); 1160 break; 1161 default: 1162 ALOGE("%s: Unknown override AF mode: %d", __FUNCTION__, 1163 afMode); 1164 modes.focusMode = FOCUS_MODE_INVALID; 1165 break; 1166 } 1167 fastInfo.sceneModeOverrides.add(availableSceneModes.data.u8[i], 1168 modes); 1169 } 1170 } 1171 1172 fastInfo.arrayWidth = arrayWidth; 1173 fastInfo.arrayHeight = arrayHeight; 1174 fastInfo.bestStillCaptureFpsRange[0] = bestStillCaptureFpsRange[0]; 1175 fastInfo.bestStillCaptureFpsRange[1] = bestStillCaptureFpsRange[1]; 1176 fastInfo.bestFaceDetectMode = bestFaceDetectMode; 1177 fastInfo.maxFaces = maxFaces; 1178 1179 // Find smallest (widest-angle) focal length to use as basis of still 1180 // picture FOV reporting. 1181 fastInfo.minFocalLength = availableFocalLengths.data.f[0]; 1182 for (size_t i = 1; i < availableFocalLengths.count; i++) { 1183 if (fastInfo.minFocalLength > availableFocalLengths.data.f[i]) { 1184 fastInfo.minFocalLength = availableFocalLengths.data.f[i]; 1185 } 1186 } 1187 1188 // Check if the HAL supports HAL_PIXEL_FORMAT_YCbCr_420_888 1189 fastInfo.useFlexibleYuv = false; 1190 for (size_t i = 0; i < availableFormats.size(); i++) { 1191 if (availableFormats[i] == HAL_PIXEL_FORMAT_YCbCr_420_888) { 1192 fastInfo.useFlexibleYuv = true; 1193 break; 1194 } 1195 } 1196 ALOGV("Camera %d: Flexible YUV %s supported", 1197 cameraId, fastInfo.useFlexibleYuv ? "is" : "is not"); 1198 1199 fastInfo.maxJpegSize = getMaxSize(getAvailableJpegSizes()); 1200 1201 return OK; 1202 } 1203 1204 status_t Parameters::buildQuirks() { 1205 camera_metadata_ro_entry_t entry; 1206 entry = info->find(ANDROID_QUIRKS_TRIGGER_AF_WITH_AUTO); 1207 quirks.triggerAfWithAuto = (entry.count != 0 && entry.data.u8[0] == 1); 1208 ALOGV_IF(quirks.triggerAfWithAuto, "Camera %d: Quirk triggerAfWithAuto enabled", 1209 cameraId); 1210 1211 entry = info->find(ANDROID_QUIRKS_USE_ZSL_FORMAT); 1212 quirks.useZslFormat = (entry.count != 0 && entry.data.u8[0] == 1); 1213 ALOGV_IF(quirks.useZslFormat, "Camera %d: Quirk useZslFormat enabled", 1214 cameraId); 1215 1216 entry = info->find(ANDROID_QUIRKS_METERING_CROP_REGION); 1217 quirks.meteringCropRegion = (entry.count != 0 && entry.data.u8[0] == 1); 1218 ALOGV_IF(quirks.meteringCropRegion, "Camera %d: Quirk meteringCropRegion" 1219 " enabled", cameraId); 1220 1221 entry = info->find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 1222 quirks.partialResults = (entry.count != 0 && entry.data.u8[0] == 1); 1223 ALOGV_IF(quirks.partialResults, "Camera %d: Quirk usePartialResult" 1224 " enabled", cameraId); 1225 1226 return OK; 1227 } 1228 1229 camera_metadata_ro_entry_t Parameters::staticInfo(uint32_t tag, 1230 size_t minCount, size_t maxCount, bool required) const { 1231 camera_metadata_ro_entry_t entry = info->find(tag); 1232 const camera_metadata_t *metaBuffer = info->getAndLock(); 1233 1234 if (CC_UNLIKELY( entry.count == 0 ) && required) { 1235 const char* tagSection = get_local_camera_metadata_section_name(tag, 1236 metaBuffer); 1237 if (tagSection == NULL) tagSection = "<unknown>"; 1238 const char* tagName = get_local_camera_metadata_tag_name(tag, 1239 metaBuffer); 1240 if (tagName == NULL) tagName = "<unknown>"; 1241 1242 ALOGE("Error finding static metadata entry '%s.%s' (%x)", 1243 tagSection, tagName, tag); 1244 } else if (CC_UNLIKELY( 1245 (minCount != 0 && entry.count < minCount) || 1246 (maxCount != 0 && entry.count > maxCount) ) ) { 1247 const char* tagSection = get_local_camera_metadata_section_name(tag, 1248 metaBuffer); 1249 if (tagSection == NULL) tagSection = "<unknown>"; 1250 const char* tagName = get_local_camera_metadata_tag_name(tag, 1251 metaBuffer); 1252 if (tagName == NULL) tagName = "<unknown>"; 1253 ALOGE("Malformed static metadata entry '%s.%s' (%x):" 1254 "Expected between %zu and %zu values, but got %zu values", 1255 tagSection, tagName, tag, minCount, maxCount, entry.count); 1256 } 1257 info->unlock(metaBuffer); 1258 1259 return entry; 1260 } 1261 1262 status_t Parameters::set(const String8& paramString) { 1263 status_t res; 1264 1265 CameraParameters2 newParams(paramString); 1266 1267 // TODO: Currently ignoring any changes to supposedly read-only parameters 1268 // such as supported preview sizes, etc. Should probably produce an error if 1269 // they're changed. 1270 1271 /** Extract and verify new parameters */ 1272 1273 size_t i; 1274 1275 Parameters validatedParams(*this); 1276 1277 // PREVIEW_SIZE 1278 newParams.getPreviewSize(&validatedParams.previewWidth, 1279 &validatedParams.previewHeight); 1280 1281 if (validatedParams.previewWidth != previewWidth || 1282 validatedParams.previewHeight != previewHeight) { 1283 if (state >= PREVIEW) { 1284 ALOGE("%s: Preview size cannot be updated when preview " 1285 "is active! (Currently %d x %d, requested %d x %d", 1286 __FUNCTION__, 1287 previewWidth, previewHeight, 1288 validatedParams.previewWidth, validatedParams.previewHeight); 1289 return BAD_VALUE; 1290 } 1291 for (i = 0; i < availablePreviewSizes.size(); i++) { 1292 if ((availablePreviewSizes[i].width == 1293 validatedParams.previewWidth) && 1294 (availablePreviewSizes[i].height == 1295 validatedParams.previewHeight)) break; 1296 } 1297 if (i == availablePreviewSizes.size()) { 1298 ALOGE("%s: Requested preview size %d x %d is not supported", 1299 __FUNCTION__, validatedParams.previewWidth, 1300 validatedParams.previewHeight); 1301 return BAD_VALUE; 1302 } 1303 } 1304 1305 // RECORDING_HINT (always supported) 1306 validatedParams.recordingHint = boolFromString( 1307 newParams.get(CameraParameters::KEY_RECORDING_HINT) ); 1308 IF_ALOGV() { // Avoid unused variable warning 1309 bool recordingHintChanged = 1310 validatedParams.recordingHint != recordingHint; 1311 if (recordingHintChanged) { 1312 ALOGV("%s: Recording hint changed to %d", 1313 __FUNCTION__, validatedParams.recordingHint); 1314 } 1315 } 1316 1317 // PREVIEW_FPS_RANGE 1318 1319 /** 1320 * Use the single FPS value if it was set later than the range. 1321 * Otherwise, use the range value. 1322 */ 1323 bool fpsUseSingleValue; 1324 { 1325 const char *fpsRange, *fpsSingle; 1326 1327 fpsRange = newParams.get(CameraParameters::KEY_PREVIEW_FRAME_RATE); 1328 fpsSingle = newParams.get(CameraParameters::KEY_PREVIEW_FPS_RANGE); 1329 1330 /** 1331 * Pick either the range or the single key if only one was set. 1332 * 1333 * If both are set, pick the one that has greater set order. 1334 */ 1335 if (fpsRange == NULL && fpsSingle == NULL) { 1336 ALOGE("%s: FPS was not set. One of %s or %s must be set.", 1337 __FUNCTION__, CameraParameters::KEY_PREVIEW_FRAME_RATE, 1338 CameraParameters::KEY_PREVIEW_FPS_RANGE); 1339 return BAD_VALUE; 1340 } else if (fpsRange == NULL) { 1341 fpsUseSingleValue = true; 1342 ALOGV("%s: FPS range not set, using FPS single value", 1343 __FUNCTION__); 1344 } else if (fpsSingle == NULL) { 1345 fpsUseSingleValue = false; 1346 ALOGV("%s: FPS single not set, using FPS range value", 1347 __FUNCTION__); 1348 } else { 1349 int fpsKeyOrder; 1350 res = newParams.compareSetOrder( 1351 CameraParameters::KEY_PREVIEW_FRAME_RATE, 1352 CameraParameters::KEY_PREVIEW_FPS_RANGE, 1353 &fpsKeyOrder); 1354 LOG_ALWAYS_FATAL_IF(res != OK, "Impossibly bad FPS keys"); 1355 1356 fpsUseSingleValue = (fpsKeyOrder > 0); 1357 1358 } 1359 1360 ALOGV("%s: Preview FPS value is used from '%s'", 1361 __FUNCTION__, fpsUseSingleValue ? "single" : "range"); 1362 } 1363 newParams.getPreviewFpsRange(&validatedParams.previewFpsRange[0], 1364 &validatedParams.previewFpsRange[1]); 1365 1366 validatedParams.previewFpsRange[0] /= kFpsToApiScale; 1367 validatedParams.previewFpsRange[1] /= kFpsToApiScale; 1368 1369 // Ignore the FPS range if the FPS single has higher precedence 1370 if (!fpsUseSingleValue) { 1371 ALOGV("%s: Preview FPS range (%d, %d)", __FUNCTION__, 1372 validatedParams.previewFpsRange[0], 1373 validatedParams.previewFpsRange[1]); 1374 1375 camera_metadata_ro_entry_t availablePreviewFpsRanges = 1376 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 1377 for (i = 0; i < availablePreviewFpsRanges.count; i += 2) { 1378 if ((availablePreviewFpsRanges.data.i32[i] == 1379 validatedParams.previewFpsRange[0]) && 1380 (availablePreviewFpsRanges.data.i32[i+1] == 1381 validatedParams.previewFpsRange[1]) ) { 1382 break; 1383 } 1384 } 1385 if (i == availablePreviewFpsRanges.count) { 1386 ALOGE("%s: Requested preview FPS range %d - %d is not supported", 1387 __FUNCTION__, validatedParams.previewFpsRange[0], 1388 validatedParams.previewFpsRange[1]); 1389 return BAD_VALUE; 1390 } 1391 } 1392 1393 // PREVIEW_FORMAT 1394 validatedParams.previewFormat = 1395 formatStringToEnum(newParams.getPreviewFormat()); 1396 if (validatedParams.previewFormat != previewFormat) { 1397 if (state >= PREVIEW) { 1398 ALOGE("%s: Preview format cannot be updated when preview " 1399 "is active!", __FUNCTION__); 1400 return BAD_VALUE; 1401 } 1402 SortedVector<int32_t> availableFormats = getAvailableOutputFormats(); 1403 // If using flexible YUV, always support NV21/YV12. Otherwise, check 1404 // HAL's list. 1405 if (! (fastInfo.useFlexibleYuv && 1406 (validatedParams.previewFormat == 1407 HAL_PIXEL_FORMAT_YCrCb_420_SP || 1408 validatedParams.previewFormat == 1409 HAL_PIXEL_FORMAT_YV12) ) ) { 1410 // Not using flexible YUV format, so check explicitly 1411 for (i = 0; i < availableFormats.size(); i++) { 1412 if (availableFormats[i] == validatedParams.previewFormat) break; 1413 } 1414 if (i == availableFormats.size()) { 1415 ALOGE("%s: Requested preview format %s (0x%x) is not supported", 1416 __FUNCTION__, newParams.getPreviewFormat(), 1417 validatedParams.previewFormat); 1418 return BAD_VALUE; 1419 } 1420 } 1421 } 1422 1423 // PREVIEW_FRAME_RATE Deprecated 1424 // - Use only if the single FPS value was set later than the FPS range 1425 if (fpsUseSingleValue) { 1426 int previewFps = newParams.getPreviewFrameRate(); 1427 ALOGV("%s: Preview FPS single value requested: %d", 1428 __FUNCTION__, previewFps); 1429 { 1430 camera_metadata_ro_entry_t availableFrameRates = 1431 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES); 1432 /** 1433 * If recording hint is set, find the range that encompasses 1434 * previewFps with the largest min index. 1435 * 1436 * If recording hint is not set, find the range with previewFps 1437 * with the smallest min index. 1438 * 1439 * Either way, in case of multiple ranges, break the tie by 1440 * selecting the smaller range. 1441 * 1442 * Always select range within 30fps if one exists. 1443 */ 1444 1445 // all ranges which have previewFps 1446 Vector<Range> candidateRanges; 1447 Vector<Range> candidateFastRanges; 1448 for (i = 0; i < availableFrameRates.count; i+=2) { 1449 Range r = { 1450 availableFrameRates.data.i32[i], 1451 availableFrameRates.data.i32[i+1] 1452 }; 1453 if (!isFpsSupported(availablePreviewSizes, 1454 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, r.max)) { 1455 continue; 1456 } 1457 1458 if (r.min <= previewFps && previewFps <= r.max) { 1459 if (r.max <= MAX_DEFAULT_FPS) { 1460 candidateRanges.push(r); 1461 } else { 1462 candidateFastRanges.push(r); 1463 } 1464 } 1465 } 1466 if (candidateRanges.isEmpty() && candidateFastRanges.isEmpty()) { 1467 ALOGE("%s: Requested preview frame rate %d is not supported", 1468 __FUNCTION__, previewFps); 1469 return BAD_VALUE; 1470 } 1471 1472 // most applicable range with targetFps 1473 Vector<Range>& ranges = 1474 candidateRanges.size() > 0 ? candidateRanges : candidateFastRanges; 1475 Range bestRange = ranges[0]; 1476 for (i = 1; i < ranges.size(); ++i) { 1477 Range r = ranges[i]; 1478 // Find by largest minIndex in recording mode 1479 if (validatedParams.recordingHint) { 1480 if (r.min > bestRange.min) { 1481 bestRange = r; 1482 } 1483 else if (r.min == bestRange.min && r.max < bestRange.max) { 1484 bestRange = r; 1485 } 1486 } 1487 // Find by smallest minIndex in preview mode 1488 else { 1489 if (r.min < bestRange.min) { 1490 bestRange = r; 1491 } 1492 else if (r.min == bestRange.min && r.max < bestRange.max) { 1493 bestRange = r; 1494 } 1495 } 1496 } 1497 1498 validatedParams.previewFpsRange[0] = 1499 bestRange.min; 1500 validatedParams.previewFpsRange[1] = 1501 bestRange.max; 1502 1503 ALOGV("%s: New preview FPS range: %d, %d, recordingHint = %d", 1504 __FUNCTION__, 1505 validatedParams.previewFpsRange[0], 1506 validatedParams.previewFpsRange[1], 1507 validatedParams.recordingHint); 1508 } 1509 } 1510 1511 /** 1512 * Update Preview FPS and Preview FPS ranges based on 1513 * what we actually set. 1514 * 1515 * This updates the API-visible (Camera.Parameters#getParameters) values of 1516 * the FPS fields, not only the internal versions. 1517 * 1518 * Order matters: The value that was set last takes precedence. 1519 * - If the client does a setParameters(getParameters()) we retain 1520 * the same order for preview FPS. 1521 */ 1522 if (!fpsUseSingleValue) { 1523 // Set fps single, then fps range (range wins) 1524 newParams.setPreviewFrameRate( 1525 fpsFromRange(/*min*/validatedParams.previewFpsRange[0], 1526 /*max*/validatedParams.previewFpsRange[1])); 1527 newParams.setPreviewFpsRange( 1528 validatedParams.previewFpsRange[0] * kFpsToApiScale, 1529 validatedParams.previewFpsRange[1] * kFpsToApiScale); 1530 } else { 1531 // Set fps range, then fps single (single wins) 1532 newParams.setPreviewFpsRange( 1533 validatedParams.previewFpsRange[0] * kFpsToApiScale, 1534 validatedParams.previewFpsRange[1] * kFpsToApiScale); 1535 // Set this to the same value, but with higher priority 1536 newParams.setPreviewFrameRate( 1537 newParams.getPreviewFrameRate()); 1538 } 1539 1540 // PICTURE_SIZE 1541 newParams.getPictureSize(&validatedParams.pictureWidth, 1542 &validatedParams.pictureHeight); 1543 if (validatedParams.pictureWidth != pictureWidth || 1544 validatedParams.pictureHeight != pictureHeight) { 1545 Vector<Size> availablePictureSizes = getAvailableJpegSizes(); 1546 for (i = 0; i < availablePictureSizes.size(); i++) { 1547 if ((availablePictureSizes[i].width == 1548 validatedParams.pictureWidth) && 1549 (availablePictureSizes[i].height == 1550 validatedParams.pictureHeight)) break; 1551 } 1552 if (i == availablePictureSizes.size()) { 1553 ALOGE("%s: Requested picture size %d x %d is not supported", 1554 __FUNCTION__, validatedParams.pictureWidth, 1555 validatedParams.pictureHeight); 1556 return BAD_VALUE; 1557 } 1558 } 1559 1560 // JPEG_THUMBNAIL_WIDTH/HEIGHT 1561 validatedParams.jpegThumbSize[0] = 1562 newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH); 1563 validatedParams.jpegThumbSize[1] = 1564 newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT); 1565 if (validatedParams.jpegThumbSize[0] != jpegThumbSize[0] || 1566 validatedParams.jpegThumbSize[1] != jpegThumbSize[1]) { 1567 camera_metadata_ro_entry_t availableJpegThumbSizes = 1568 staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES); 1569 for (i = 0; i < availableJpegThumbSizes.count; i+=2) { 1570 if ((availableJpegThumbSizes.data.i32[i] == 1571 validatedParams.jpegThumbSize[0]) && 1572 (availableJpegThumbSizes.data.i32[i+1] == 1573 validatedParams.jpegThumbSize[1])) break; 1574 } 1575 if (i == availableJpegThumbSizes.count) { 1576 ALOGE("%s: Requested JPEG thumbnail size %d x %d is not supported", 1577 __FUNCTION__, validatedParams.jpegThumbSize[0], 1578 validatedParams.jpegThumbSize[1]); 1579 return BAD_VALUE; 1580 } 1581 } 1582 1583 // JPEG_THUMBNAIL_QUALITY 1584 int quality = newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY); 1585 // also makes sure quality fits in uint8_t 1586 if (quality < 0 || quality > 100) { 1587 ALOGE("%s: Requested JPEG thumbnail quality %d is not supported", 1588 __FUNCTION__, quality); 1589 return BAD_VALUE; 1590 } 1591 validatedParams.jpegThumbQuality = quality; 1592 1593 // JPEG_QUALITY 1594 quality = newParams.getInt(CameraParameters::KEY_JPEG_QUALITY); 1595 // also makes sure quality fits in uint8_t 1596 if (quality < 0 || quality > 100) { 1597 ALOGE("%s: Requested JPEG quality %d is not supported", 1598 __FUNCTION__, quality); 1599 return BAD_VALUE; 1600 } 1601 validatedParams.jpegQuality = quality; 1602 1603 // ROTATION 1604 validatedParams.jpegRotation = 1605 newParams.getInt(CameraParameters::KEY_ROTATION); 1606 if (validatedParams.jpegRotation != 0 && 1607 validatedParams.jpegRotation != 90 && 1608 validatedParams.jpegRotation != 180 && 1609 validatedParams.jpegRotation != 270) { 1610 ALOGE("%s: Requested picture rotation angle %d is not supported", 1611 __FUNCTION__, validatedParams.jpegRotation); 1612 return BAD_VALUE; 1613 } 1614 1615 // GPS 1616 1617 const char *gpsLatStr = 1618 newParams.get(CameraParameters::KEY_GPS_LATITUDE); 1619 if (gpsLatStr != NULL) { 1620 const char *gpsLongStr = 1621 newParams.get(CameraParameters::KEY_GPS_LONGITUDE); 1622 const char *gpsAltitudeStr = 1623 newParams.get(CameraParameters::KEY_GPS_ALTITUDE); 1624 const char *gpsTimeStr = 1625 newParams.get(CameraParameters::KEY_GPS_TIMESTAMP); 1626 const char *gpsProcMethodStr = 1627 newParams.get(CameraParameters::KEY_GPS_PROCESSING_METHOD); 1628 if (gpsLongStr == NULL || 1629 gpsAltitudeStr == NULL || 1630 gpsTimeStr == NULL || 1631 gpsProcMethodStr == NULL) { 1632 ALOGE("%s: Incomplete set of GPS parameters provided", 1633 __FUNCTION__); 1634 return BAD_VALUE; 1635 } 1636 char *endPtr; 1637 errno = 0; 1638 validatedParams.gpsCoordinates[0] = strtod(gpsLatStr, &endPtr); 1639 if (errno || endPtr == gpsLatStr) { 1640 ALOGE("%s: Malformed GPS latitude: %s", __FUNCTION__, gpsLatStr); 1641 return BAD_VALUE; 1642 } 1643 errno = 0; 1644 validatedParams.gpsCoordinates[1] = strtod(gpsLongStr, &endPtr); 1645 if (errno || endPtr == gpsLongStr) { 1646 ALOGE("%s: Malformed GPS longitude: %s", __FUNCTION__, gpsLongStr); 1647 return BAD_VALUE; 1648 } 1649 errno = 0; 1650 validatedParams.gpsCoordinates[2] = strtod(gpsAltitudeStr, &endPtr); 1651 if (errno || endPtr == gpsAltitudeStr) { 1652 ALOGE("%s: Malformed GPS altitude: %s", __FUNCTION__, 1653 gpsAltitudeStr); 1654 return BAD_VALUE; 1655 } 1656 errno = 0; 1657 validatedParams.gpsTimestamp = strtoll(gpsTimeStr, &endPtr, 10); 1658 if (errno || endPtr == gpsTimeStr) { 1659 ALOGE("%s: Malformed GPS timestamp: %s", __FUNCTION__, gpsTimeStr); 1660 return BAD_VALUE; 1661 } 1662 validatedParams.gpsProcessingMethod = gpsProcMethodStr; 1663 1664 validatedParams.gpsEnabled = true; 1665 } else { 1666 validatedParams.gpsEnabled = false; 1667 } 1668 1669 // EFFECT 1670 validatedParams.effectMode = effectModeStringToEnum( 1671 newParams.get(CameraParameters::KEY_EFFECT) ); 1672 if (validatedParams.effectMode != effectMode) { 1673 camera_metadata_ro_entry_t availableEffectModes = 1674 staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS); 1675 for (i = 0; i < availableEffectModes.count; i++) { 1676 if (validatedParams.effectMode == availableEffectModes.data.u8[i]) break; 1677 } 1678 if (i == availableEffectModes.count) { 1679 ALOGE("%s: Requested effect mode \"%s\" is not supported", 1680 __FUNCTION__, 1681 newParams.get(CameraParameters::KEY_EFFECT) ); 1682 return BAD_VALUE; 1683 } 1684 } 1685 1686 // ANTIBANDING 1687 validatedParams.antibandingMode = abModeStringToEnum( 1688 newParams.get(CameraParameters::KEY_ANTIBANDING) ); 1689 if (validatedParams.antibandingMode != antibandingMode) { 1690 camera_metadata_ro_entry_t availableAbModes = 1691 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES); 1692 for (i = 0; i < availableAbModes.count; i++) { 1693 if (validatedParams.antibandingMode == availableAbModes.data.u8[i]) 1694 break; 1695 } 1696 if (i == availableAbModes.count) { 1697 ALOGE("%s: Requested antibanding mode \"%s\" is not supported", 1698 __FUNCTION__, 1699 newParams.get(CameraParameters::KEY_ANTIBANDING)); 1700 return BAD_VALUE; 1701 } 1702 } 1703 1704 // SCENE_MODE 1705 validatedParams.sceneMode = sceneModeStringToEnum( 1706 newParams.get(CameraParameters::KEY_SCENE_MODE) ); 1707 if (validatedParams.sceneMode != sceneMode && 1708 validatedParams.sceneMode != 1709 ANDROID_CONTROL_SCENE_MODE_DISABLED) { 1710 camera_metadata_ro_entry_t availableSceneModes = 1711 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES); 1712 for (i = 0; i < availableSceneModes.count; i++) { 1713 if (validatedParams.sceneMode == availableSceneModes.data.u8[i]) 1714 break; 1715 } 1716 if (i == availableSceneModes.count) { 1717 ALOGE("%s: Requested scene mode \"%s\" is not supported", 1718 __FUNCTION__, 1719 newParams.get(CameraParameters::KEY_SCENE_MODE)); 1720 return BAD_VALUE; 1721 } 1722 } 1723 bool sceneModeSet = 1724 validatedParams.sceneMode != ANDROID_CONTROL_SCENE_MODE_DISABLED; 1725 1726 // FLASH_MODE 1727 if (sceneModeSet) { 1728 validatedParams.flashMode = 1729 fastInfo.sceneModeOverrides. 1730 valueFor(validatedParams.sceneMode).flashMode; 1731 } else { 1732 validatedParams.flashMode = FLASH_MODE_INVALID; 1733 } 1734 if (validatedParams.flashMode == FLASH_MODE_INVALID) { 1735 validatedParams.flashMode = flashModeStringToEnum( 1736 newParams.get(CameraParameters::KEY_FLASH_MODE) ); 1737 } 1738 1739 if (validatedParams.flashMode != flashMode) { 1740 camera_metadata_ro_entry_t flashAvailable = 1741 staticInfo(ANDROID_FLASH_INFO_AVAILABLE, 1, 1); 1742 bool isFlashAvailable = 1743 flashAvailable.data.u8[0] == ANDROID_FLASH_INFO_AVAILABLE_TRUE; 1744 if (!isFlashAvailable && 1745 validatedParams.flashMode != Parameters::FLASH_MODE_OFF) { 1746 ALOGE("%s: Requested flash mode \"%s\" is not supported: " 1747 "No flash on device", __FUNCTION__, 1748 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1749 return BAD_VALUE; 1750 } else if (validatedParams.flashMode == Parameters::FLASH_MODE_RED_EYE) { 1751 camera_metadata_ro_entry_t availableAeModes = 1752 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES); 1753 for (i = 0; i < availableAeModes.count; i++) { 1754 if (validatedParams.flashMode == availableAeModes.data.u8[i]) 1755 break; 1756 } 1757 if (i == availableAeModes.count) { 1758 ALOGE("%s: Requested flash mode \"%s\" is not supported", 1759 __FUNCTION__, 1760 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1761 return BAD_VALUE; 1762 } 1763 } else if (validatedParams.flashMode == -1) { 1764 ALOGE("%s: Requested flash mode \"%s\" is unknown", 1765 __FUNCTION__, 1766 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1767 return BAD_VALUE; 1768 } 1769 // Update in case of override, but only if flash is supported 1770 if (isFlashAvailable) { 1771 newParams.set(CameraParameters::KEY_FLASH_MODE, 1772 flashModeEnumToString(validatedParams.flashMode)); 1773 } 1774 } 1775 1776 // WHITE_BALANCE 1777 if (sceneModeSet) { 1778 validatedParams.wbMode = 1779 fastInfo.sceneModeOverrides. 1780 valueFor(validatedParams.sceneMode).wbMode; 1781 } else { 1782 validatedParams.wbMode = ANDROID_CONTROL_AWB_MODE_OFF; 1783 } 1784 if (validatedParams.wbMode == ANDROID_CONTROL_AWB_MODE_OFF) { 1785 validatedParams.wbMode = wbModeStringToEnum( 1786 newParams.get(CameraParameters::KEY_WHITE_BALANCE) ); 1787 } 1788 if (validatedParams.wbMode != wbMode) { 1789 camera_metadata_ro_entry_t availableWbModes = 1790 staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 0, 0, false); 1791 for (i = 0; i < availableWbModes.count; i++) { 1792 if (validatedParams.wbMode == availableWbModes.data.u8[i]) break; 1793 } 1794 if (i == availableWbModes.count) { 1795 ALOGE("%s: Requested white balance mode %s is not supported", 1796 __FUNCTION__, 1797 newParams.get(CameraParameters::KEY_WHITE_BALANCE)); 1798 return BAD_VALUE; 1799 } 1800 // Update in case of override 1801 newParams.set(CameraParameters::KEY_WHITE_BALANCE, 1802 wbModeEnumToString(validatedParams.wbMode)); 1803 } 1804 1805 // FOCUS_MODE 1806 if (sceneModeSet) { 1807 validatedParams.focusMode = 1808 fastInfo.sceneModeOverrides. 1809 valueFor(validatedParams.sceneMode).focusMode; 1810 } else { 1811 validatedParams.focusMode = FOCUS_MODE_INVALID; 1812 } 1813 if (validatedParams.focusMode == FOCUS_MODE_INVALID) { 1814 validatedParams.focusMode = focusModeStringToEnum( 1815 newParams.get(CameraParameters::KEY_FOCUS_MODE) ); 1816 } 1817 if (validatedParams.focusMode != focusMode) { 1818 validatedParams.currentAfTriggerId = -1; 1819 if (validatedParams.focusMode != Parameters::FOCUS_MODE_FIXED) { 1820 camera_metadata_ro_entry_t minFocusDistance = 1821 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 0, 1822 false); 1823 if (minFocusDistance.count && minFocusDistance.data.f[0] == 0) { 1824 ALOGE("%s: Requested focus mode \"%s\" is not available: " 1825 "fixed focus lens", 1826 __FUNCTION__, 1827 newParams.get(CameraParameters::KEY_FOCUS_MODE)); 1828 return BAD_VALUE; 1829 } else if (validatedParams.focusMode != 1830 Parameters::FOCUS_MODE_INFINITY) { 1831 camera_metadata_ro_entry_t availableFocusModes = 1832 staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES); 1833 for (i = 0; i < availableFocusModes.count; i++) { 1834 if (validatedParams.focusMode == 1835 availableFocusModes.data.u8[i]) break; 1836 } 1837 if (i == availableFocusModes.count) { 1838 ALOGE("%s: Requested focus mode \"%s\" is not supported", 1839 __FUNCTION__, 1840 newParams.get(CameraParameters::KEY_FOCUS_MODE)); 1841 return BAD_VALUE; 1842 } 1843 } 1844 } 1845 validatedParams.focusState = ANDROID_CONTROL_AF_STATE_INACTIVE; 1846 // Always reset shadow focus mode to avoid reverting settings 1847 validatedParams.shadowFocusMode = FOCUS_MODE_INVALID; 1848 // Update in case of override 1849 newParams.set(CameraParameters::KEY_FOCUS_MODE, 1850 focusModeEnumToString(validatedParams.focusMode)); 1851 } else { 1852 validatedParams.currentAfTriggerId = currentAfTriggerId; 1853 } 1854 1855 // FOCUS_AREAS 1856 res = parseAreas(newParams.get(CameraParameters::KEY_FOCUS_AREAS), 1857 &validatedParams.focusingAreas); 1858 size_t maxAfRegions = (size_t)staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1859 Parameters::NUM_REGION, Parameters::NUM_REGION). 1860 data.i32[Parameters::REGION_AF]; 1861 if (res == OK) res = validateAreas(validatedParams.focusingAreas, 1862 maxAfRegions, AREA_KIND_FOCUS); 1863 if (res != OK) { 1864 ALOGE("%s: Requested focus areas are malformed: %s", 1865 __FUNCTION__, newParams.get(CameraParameters::KEY_FOCUS_AREAS)); 1866 return BAD_VALUE; 1867 } 1868 1869 // EXPOSURE_COMPENSATION 1870 validatedParams.exposureCompensation = 1871 newParams.getInt(CameraParameters::KEY_EXPOSURE_COMPENSATION); 1872 camera_metadata_ro_entry_t exposureCompensationRange = 1873 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_RANGE); 1874 if ((validatedParams.exposureCompensation < 1875 exposureCompensationRange.data.i32[0]) || 1876 (validatedParams.exposureCompensation > 1877 exposureCompensationRange.data.i32[1])) { 1878 ALOGE("%s: Requested exposure compensation index is out of bounds: %d", 1879 __FUNCTION__, validatedParams.exposureCompensation); 1880 return BAD_VALUE; 1881 } 1882 1883 if (autoExposureLockAvailable) { 1884 validatedParams.autoExposureLock = boolFromString( 1885 newParams.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK)); 1886 } else if (nullptr != 1887 newParams.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK)){ 1888 ALOGE("%s: Requested auto exposure lock is not supported", 1889 __FUNCTION__); 1890 return BAD_VALUE; 1891 } 1892 1893 if (autoWhiteBalanceLockAvailable) { 1894 validatedParams.autoWhiteBalanceLock = boolFromString( 1895 newParams.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK)); 1896 } else if (nullptr != 1897 newParams.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK)) { 1898 ALOGE("%s: Requested auto whitebalance lock is not supported", 1899 __FUNCTION__); 1900 return BAD_VALUE; 1901 } 1902 1903 // METERING_AREAS 1904 size_t maxAeRegions = (size_t)staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1905 Parameters::NUM_REGION, Parameters::NUM_REGION). 1906 data.i32[Parameters::REGION_AE]; 1907 res = parseAreas(newParams.get(CameraParameters::KEY_METERING_AREAS), 1908 &validatedParams.meteringAreas); 1909 if (res == OK) { 1910 res = validateAreas(validatedParams.meteringAreas, maxAeRegions, 1911 AREA_KIND_METERING); 1912 } 1913 if (res != OK) { 1914 ALOGE("%s: Requested metering areas are malformed: %s", 1915 __FUNCTION__, 1916 newParams.get(CameraParameters::KEY_METERING_AREAS)); 1917 return BAD_VALUE; 1918 } 1919 1920 // ZOOM 1921 if (zoomAvailable) { 1922 validatedParams.zoom = newParams.getInt(CameraParameters::KEY_ZOOM); 1923 if (validatedParams.zoom < 0 1924 || validatedParams.zoom >= (int)NUM_ZOOM_STEPS) { 1925 ALOGE("%s: Requested zoom level %d is not supported", 1926 __FUNCTION__, validatedParams.zoom); 1927 return BAD_VALUE; 1928 } 1929 } 1930 1931 // VIDEO_SIZE 1932 newParams.getVideoSize(&validatedParams.videoWidth, 1933 &validatedParams.videoHeight); 1934 if (validatedParams.videoWidth != videoWidth || 1935 validatedParams.videoHeight != videoHeight) { 1936 if (state == RECORD) { 1937 ALOGW("%s: Video size cannot be updated (from %d x %d to %d x %d)" 1938 " when recording is active! Ignore the size update!", 1939 __FUNCTION__, videoWidth, videoHeight, validatedParams.videoWidth, 1940 validatedParams.videoHeight); 1941 validatedParams.videoWidth = videoWidth; 1942 validatedParams.videoHeight = videoHeight; 1943 newParams.setVideoSize(videoWidth, videoHeight); 1944 } else { 1945 for (i = 0; i < availableVideoSizes.size(); i++) { 1946 if ((availableVideoSizes[i].width == 1947 validatedParams.videoWidth) && 1948 (availableVideoSizes[i].height == 1949 validatedParams.videoHeight)) break; 1950 } 1951 if (i == availableVideoSizes.size()) { 1952 ALOGE("%s: Requested video size %d x %d is not supported", 1953 __FUNCTION__, validatedParams.videoWidth, 1954 validatedParams.videoHeight); 1955 return BAD_VALUE; 1956 } 1957 } 1958 } 1959 1960 // VIDEO_STABILIZATION 1961 validatedParams.videoStabilization = boolFromString( 1962 newParams.get(CameraParameters::KEY_VIDEO_STABILIZATION) ); 1963 camera_metadata_ro_entry_t availableVideoStabilizationModes = 1964 staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 0, 0, 1965 false); 1966 if (validatedParams.videoStabilization && 1967 availableVideoStabilizationModes.count == 1) { 1968 ALOGE("%s: Video stabilization not supported", __FUNCTION__); 1969 } 1970 1971 /** Update internal parameters */ 1972 1973 *this = validatedParams; 1974 updateOverriddenJpegSize(); 1975 1976 /** Update external parameters calculated from the internal ones */ 1977 1978 // HORIZONTAL/VERTICAL FIELD OF VIEW 1979 float horizFov, vertFov; 1980 res = calculatePictureFovs(&horizFov, &vertFov); 1981 if (res != OK) { 1982 ALOGE("%s: Can't calculate FOVs", __FUNCTION__); 1983 // continue so parameters are at least consistent 1984 } 1985 newParams.setFloat(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, 1986 horizFov); 1987 newParams.setFloat(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, 1988 vertFov); 1989 ALOGV("Current still picture FOV: %f x %f deg", horizFov, vertFov); 1990 1991 // Need to flatten again in case of overrides 1992 paramsFlattened = newParams.flatten(); 1993 params = newParams; 1994 1995 slowJpegMode = false; 1996 Size pictureSize = { pictureWidth, pictureHeight }; 1997 int64_t minFrameDurationNs = getJpegStreamMinFrameDurationNs(pictureSize); 1998 if (previewFpsRange[1] > 1e9/minFrameDurationNs + FPS_MARGIN) { 1999 slowJpegMode = true; 2000 } 2001 if (isDeviceZslSupported || slowJpegMode || 2002 property_get_bool("camera.disable_zsl_mode", false)) { 2003 allowZslMode = false; 2004 } else { 2005 allowZslMode = isZslReprocessPresent; 2006 } 2007 ALOGV("%s: allowZslMode: %d slowJpegMode %d", __FUNCTION__, allowZslMode, slowJpegMode); 2008 2009 return OK; 2010 } 2011 2012 status_t Parameters::updateRequest(CameraMetadata *request) const { 2013 ATRACE_CALL(); 2014 status_t res; 2015 2016 /** 2017 * Mixin default important security values 2018 * - android.led.transmit = defaulted ON 2019 */ 2020 camera_metadata_ro_entry_t entry = staticInfo(ANDROID_LED_AVAILABLE_LEDS, 2021 /*minimumCount*/0, 2022 /*maximumCount*/0, 2023 /*required*/false); 2024 for(size_t i = 0; i < entry.count; ++i) { 2025 uint8_t led = entry.data.u8[i]; 2026 2027 switch(led) { 2028 // Transmit LED is unconditionally on when using 2029 // the android.hardware.Camera API 2030 case ANDROID_LED_AVAILABLE_LEDS_TRANSMIT: { 2031 uint8_t transmitDefault = ANDROID_LED_TRANSMIT_ON; 2032 res = request->update(ANDROID_LED_TRANSMIT, 2033 &transmitDefault, 1); 2034 if (res != OK) return res; 2035 break; 2036 } 2037 } 2038 } 2039 2040 /** 2041 * Construct metadata from parameters 2042 */ 2043 2044 uint8_t metadataMode = ANDROID_REQUEST_METADATA_MODE_FULL; 2045 res = request->update(ANDROID_REQUEST_METADATA_MODE, 2046 &metadataMode, 1); 2047 if (res != OK) return res; 2048 2049 camera_metadata_entry_t intent = 2050 request->find(ANDROID_CONTROL_CAPTURE_INTENT); 2051 2052 if (intent.count == 0) return BAD_VALUE; 2053 2054 if (intent.data.u8[0] == ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE) { 2055 res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, 2056 fastInfo.bestStillCaptureFpsRange, 2); 2057 } else { 2058 res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, 2059 previewFpsRange, 2); 2060 } 2061 if (res != OK) return res; 2062 2063 if (autoWhiteBalanceLockAvailable) { 2064 uint8_t reqWbLock = autoWhiteBalanceLock ? 2065 ANDROID_CONTROL_AWB_LOCK_ON : ANDROID_CONTROL_AWB_LOCK_OFF; 2066 res = request->update(ANDROID_CONTROL_AWB_LOCK, 2067 &reqWbLock, 1); 2068 } 2069 2070 res = request->update(ANDROID_CONTROL_EFFECT_MODE, 2071 &effectMode, 1); 2072 if (res != OK) return res; 2073 res = request->update(ANDROID_CONTROL_AE_ANTIBANDING_MODE, 2074 &antibandingMode, 1); 2075 if (res != OK) return res; 2076 2077 // android.hardware.Camera requires that when face detect is enabled, the 2078 // camera is in a face-priority mode. HAL3.x splits this into separate parts 2079 // (face detection statistics and face priority scene mode). Map from other 2080 // to the other. 2081 bool sceneModeActive = 2082 sceneMode != (uint8_t)ANDROID_CONTROL_SCENE_MODE_DISABLED; 2083 uint8_t reqControlMode = ANDROID_CONTROL_MODE_AUTO; 2084 if (enableFaceDetect || sceneModeActive) { 2085 reqControlMode = ANDROID_CONTROL_MODE_USE_SCENE_MODE; 2086 } 2087 res = request->update(ANDROID_CONTROL_MODE, 2088 &reqControlMode, 1); 2089 if (res != OK) return res; 2090 2091 uint8_t reqSceneMode = 2092 sceneModeActive ? sceneMode : 2093 enableFaceDetect ? (uint8_t)ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY : 2094 (uint8_t)ANDROID_CONTROL_SCENE_MODE_DISABLED; 2095 res = request->update(ANDROID_CONTROL_SCENE_MODE, 2096 &reqSceneMode, 1); 2097 if (res != OK) return res; 2098 2099 uint8_t reqFlashMode = ANDROID_FLASH_MODE_OFF; 2100 uint8_t reqAeMode = ANDROID_CONTROL_AE_MODE_OFF; 2101 switch (flashMode) { 2102 case Parameters::FLASH_MODE_OFF: 2103 reqAeMode = ANDROID_CONTROL_AE_MODE_ON; break; 2104 case Parameters::FLASH_MODE_AUTO: 2105 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH; break; 2106 case Parameters::FLASH_MODE_ON: 2107 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH; break; 2108 case Parameters::FLASH_MODE_TORCH: 2109 reqAeMode = ANDROID_CONTROL_AE_MODE_ON; 2110 reqFlashMode = ANDROID_FLASH_MODE_TORCH; 2111 break; 2112 case Parameters::FLASH_MODE_RED_EYE: 2113 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE; break; 2114 default: 2115 ALOGE("%s: Camera %d: Unknown flash mode %d", __FUNCTION__, 2116 cameraId, flashMode); 2117 return BAD_VALUE; 2118 } 2119 res = request->update(ANDROID_FLASH_MODE, 2120 &reqFlashMode, 1); 2121 if (res != OK) return res; 2122 res = request->update(ANDROID_CONTROL_AE_MODE, 2123 &reqAeMode, 1); 2124 if (res != OK) return res; 2125 2126 if (autoExposureLockAvailable) { 2127 uint8_t reqAeLock = autoExposureLock ? 2128 ANDROID_CONTROL_AE_LOCK_ON : ANDROID_CONTROL_AE_LOCK_OFF; 2129 res = request->update(ANDROID_CONTROL_AE_LOCK, 2130 &reqAeLock, 1); 2131 if (res != OK) return res; 2132 } 2133 2134 res = request->update(ANDROID_CONTROL_AWB_MODE, 2135 &wbMode, 1); 2136 if (res != OK) return res; 2137 2138 float reqFocusDistance = 0; // infinity focus in diopters 2139 uint8_t reqFocusMode = ANDROID_CONTROL_AF_MODE_OFF; 2140 switch (focusMode) { 2141 case Parameters::FOCUS_MODE_AUTO: 2142 case Parameters::FOCUS_MODE_MACRO: 2143 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 2144 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 2145 case Parameters::FOCUS_MODE_EDOF: 2146 reqFocusMode = focusMode; 2147 break; 2148 case Parameters::FOCUS_MODE_INFINITY: 2149 case Parameters::FOCUS_MODE_FIXED: 2150 reqFocusMode = ANDROID_CONTROL_AF_MODE_OFF; 2151 break; 2152 default: 2153 ALOGE("%s: Camera %d: Unknown focus mode %d", __FUNCTION__, 2154 cameraId, focusMode); 2155 return BAD_VALUE; 2156 } 2157 res = request->update(ANDROID_LENS_FOCUS_DISTANCE, 2158 &reqFocusDistance, 1); 2159 if (res != OK) return res; 2160 res = request->update(ANDROID_CONTROL_AF_MODE, 2161 &reqFocusMode, 1); 2162 if (res != OK) return res; 2163 2164 size_t reqFocusingAreasSize = focusingAreas.size() * 5; 2165 int32_t *reqFocusingAreas = new int32_t[reqFocusingAreasSize]; 2166 for (size_t i = 0, j = 0; i < reqFocusingAreasSize; i += 5, j++) { 2167 if (focusingAreas[j].weight != 0) { 2168 reqFocusingAreas[i + 0] = 2169 normalizedXToArray(focusingAreas[j].left); 2170 reqFocusingAreas[i + 1] = 2171 normalizedYToArray(focusingAreas[j].top); 2172 reqFocusingAreas[i + 2] = 2173 normalizedXToArray(focusingAreas[j].right); 2174 reqFocusingAreas[i + 3] = 2175 normalizedYToArray(focusingAreas[j].bottom); 2176 } else { 2177 reqFocusingAreas[i + 0] = 0; 2178 reqFocusingAreas[i + 1] = 0; 2179 reqFocusingAreas[i + 2] = 0; 2180 reqFocusingAreas[i + 3] = 0; 2181 } 2182 reqFocusingAreas[i + 4] = focusingAreas[j].weight; 2183 } 2184 res = request->update(ANDROID_CONTROL_AF_REGIONS, 2185 reqFocusingAreas, reqFocusingAreasSize); 2186 if (res != OK) return res; 2187 delete[] reqFocusingAreas; 2188 2189 res = request->update(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, 2190 &exposureCompensation, 1); 2191 if (res != OK) return res; 2192 2193 size_t reqMeteringAreasSize = meteringAreas.size() * 5; 2194 int32_t *reqMeteringAreas = new int32_t[reqMeteringAreasSize]; 2195 for (size_t i = 0, j = 0; i < reqMeteringAreasSize; i += 5, j++) { 2196 if (meteringAreas[j].weight != 0) { 2197 reqMeteringAreas[i + 0] = 2198 normalizedXToArray(meteringAreas[j].left); 2199 reqMeteringAreas[i + 1] = 2200 normalizedYToArray(meteringAreas[j].top); 2201 reqMeteringAreas[i + 2] = 2202 normalizedXToArray(meteringAreas[j].right); 2203 reqMeteringAreas[i + 3] = 2204 normalizedYToArray(meteringAreas[j].bottom); 2205 } else { 2206 reqMeteringAreas[i + 0] = 0; 2207 reqMeteringAreas[i + 1] = 0; 2208 reqMeteringAreas[i + 2] = 0; 2209 reqMeteringAreas[i + 3] = 0; 2210 } 2211 reqMeteringAreas[i + 4] = meteringAreas[j].weight; 2212 } 2213 res = request->update(ANDROID_CONTROL_AE_REGIONS, 2214 reqMeteringAreas, reqMeteringAreasSize); 2215 if (res != OK) return res; 2216 2217 // Set awb regions to be the same as the metering regions if allowed 2218 size_t maxAwbRegions = (size_t)staticInfo(ANDROID_CONTROL_MAX_REGIONS, 2219 Parameters::NUM_REGION, Parameters::NUM_REGION). 2220 data.i32[Parameters::REGION_AWB]; 2221 if (maxAwbRegions > 0) { 2222 if (maxAwbRegions >= meteringAreas.size()) { 2223 res = request->update(ANDROID_CONTROL_AWB_REGIONS, 2224 reqMeteringAreas, reqMeteringAreasSize); 2225 } else { 2226 // Ensure the awb regions are zeroed if the region count is too high. 2227 int32_t zeroedAwbAreas[5] = {0, 0, 0, 0, 0}; 2228 res = request->update(ANDROID_CONTROL_AWB_REGIONS, 2229 zeroedAwbAreas, sizeof(zeroedAwbAreas)/sizeof(int32_t)); 2230 } 2231 if (res != OK) return res; 2232 } 2233 2234 delete[] reqMeteringAreas; 2235 2236 CropRegion crop = calculateCropRegion(/*previewOnly*/ false); 2237 int32_t reqCropRegion[4] = { 2238 static_cast<int32_t>(crop.left), 2239 static_cast<int32_t>(crop.top), 2240 static_cast<int32_t>(crop.width), 2241 static_cast<int32_t>(crop.height) 2242 }; 2243 res = request->update(ANDROID_SCALER_CROP_REGION, 2244 reqCropRegion, 4); 2245 if (res != OK) return res; 2246 2247 uint8_t reqVstabMode = videoStabilization ? 2248 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_ON : 2249 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF; 2250 res = request->update(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, 2251 &reqVstabMode, 1); 2252 if (res != OK) return res; 2253 2254 uint8_t reqFaceDetectMode = enableFaceDetect ? 2255 fastInfo.bestFaceDetectMode : 2256 (uint8_t)ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 2257 res = request->update(ANDROID_STATISTICS_FACE_DETECT_MODE, 2258 &reqFaceDetectMode, 1); 2259 if (res != OK) return res; 2260 2261 return OK; 2262 } 2263 2264 status_t Parameters::updateRequestJpeg(CameraMetadata *request) const { 2265 status_t res; 2266 2267 res = request->update(ANDROID_JPEG_THUMBNAIL_SIZE, 2268 jpegThumbSize, 2); 2269 if (res != OK) return res; 2270 res = request->update(ANDROID_JPEG_THUMBNAIL_QUALITY, 2271 &jpegThumbQuality, 1); 2272 if (res != OK) return res; 2273 res = request->update(ANDROID_JPEG_QUALITY, 2274 &jpegQuality, 1); 2275 if (res != OK) return res; 2276 res = request->update( 2277 ANDROID_JPEG_ORIENTATION, 2278 &jpegRotation, 1); 2279 if (res != OK) return res; 2280 2281 if (gpsEnabled) { 2282 res = request->update( 2283 ANDROID_JPEG_GPS_COORDINATES, 2284 gpsCoordinates, 3); 2285 if (res != OK) return res; 2286 res = request->update( 2287 ANDROID_JPEG_GPS_TIMESTAMP, 2288 &gpsTimestamp, 1); 2289 if (res != OK) return res; 2290 res = request->update( 2291 ANDROID_JPEG_GPS_PROCESSING_METHOD, 2292 gpsProcessingMethod); 2293 if (res != OK) return res; 2294 } else { 2295 res = request->erase(ANDROID_JPEG_GPS_COORDINATES); 2296 if (res != OK) return res; 2297 res = request->erase(ANDROID_JPEG_GPS_TIMESTAMP); 2298 if (res != OK) return res; 2299 res = request->erase(ANDROID_JPEG_GPS_PROCESSING_METHOD); 2300 if (res != OK) return res; 2301 } 2302 return OK; 2303 } 2304 2305 status_t Parameters::overrideJpegSizeByVideoSize() { 2306 if (pictureSizeOverriden) { 2307 ALOGV("Picture size has been overridden. Skip overriding"); 2308 return OK; 2309 } 2310 2311 pictureSizeOverriden = true; 2312 pictureWidthLastSet = pictureWidth; 2313 pictureHeightLastSet = pictureHeight; 2314 pictureWidth = videoWidth; 2315 pictureHeight = videoHeight; 2316 // This change of picture size is invisible to app layer. 2317 // Do not update app visible params 2318 return OK; 2319 } 2320 2321 status_t Parameters::updateOverriddenJpegSize() { 2322 if (!pictureSizeOverriden) { 2323 ALOGV("Picture size has not been overridden. Skip checking"); 2324 return OK; 2325 } 2326 2327 pictureWidthLastSet = pictureWidth; 2328 pictureHeightLastSet = pictureHeight; 2329 2330 if (pictureWidth <= videoWidth && pictureHeight <= videoHeight) { 2331 // Picture size is now smaller than video size. No need to override anymore 2332 return recoverOverriddenJpegSize(); 2333 } 2334 2335 pictureWidth = videoWidth; 2336 pictureHeight = videoHeight; 2337 2338 return OK; 2339 } 2340 2341 status_t Parameters::recoverOverriddenJpegSize() { 2342 if (!pictureSizeOverriden) { 2343 ALOGV("Picture size has not been overridden. Skip recovering"); 2344 return OK; 2345 } 2346 pictureSizeOverriden = false; 2347 pictureWidth = pictureWidthLastSet; 2348 pictureHeight = pictureHeightLastSet; 2349 return OK; 2350 } 2351 2352 bool Parameters::isJpegSizeOverridden() { 2353 return pictureSizeOverriden; 2354 } 2355 2356 bool Parameters::useZeroShutterLag() const { 2357 // If ZSL mode is disabled, don't use it 2358 if (!allowZslMode) return false; 2359 // If recording hint is enabled, don't do ZSL 2360 if (recordingHint) return false; 2361 // If still capture size is no bigger than preview or video size, 2362 // don't do ZSL 2363 if (pictureWidth <= previewWidth || pictureHeight <= previewHeight || 2364 pictureWidth <= videoWidth || pictureHeight <= videoHeight) { 2365 return false; 2366 } 2367 // If still capture size is less than quarter of max, don't do ZSL 2368 if ((pictureWidth * pictureHeight) < 2369 (fastInfo.maxJpegSize.width * fastInfo.maxJpegSize.height / 4) ) { 2370 return false; 2371 } 2372 return true; 2373 } 2374 2375 const char* Parameters::getStateName(State state) { 2376 #define CASE_ENUM_TO_CHAR(x) case x: return(#x); break; 2377 switch(state) { 2378 CASE_ENUM_TO_CHAR(DISCONNECTED) 2379 CASE_ENUM_TO_CHAR(STOPPED) 2380 CASE_ENUM_TO_CHAR(WAITING_FOR_PREVIEW_WINDOW) 2381 CASE_ENUM_TO_CHAR(PREVIEW) 2382 CASE_ENUM_TO_CHAR(RECORD) 2383 CASE_ENUM_TO_CHAR(STILL_CAPTURE) 2384 CASE_ENUM_TO_CHAR(VIDEO_SNAPSHOT) 2385 default: 2386 return "Unknown state!"; 2387 break; 2388 } 2389 #undef CASE_ENUM_TO_CHAR 2390 } 2391 2392 int Parameters::formatStringToEnum(const char *format) { 2393 return CameraParameters::previewFormatToEnum(format); 2394 } 2395 2396 const char* Parameters::formatEnumToString(int format) { 2397 const char *fmt; 2398 switch(format) { 2399 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 2400 fmt = CameraParameters::PIXEL_FORMAT_YUV422SP; 2401 break; 2402 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 2403 fmt = CameraParameters::PIXEL_FORMAT_YUV420SP; 2404 break; 2405 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 2406 fmt = CameraParameters::PIXEL_FORMAT_YUV422I; 2407 break; 2408 case HAL_PIXEL_FORMAT_YV12: // YV12 2409 fmt = CameraParameters::PIXEL_FORMAT_YUV420P; 2410 break; 2411 case HAL_PIXEL_FORMAT_RGB_565: // RGB565 2412 fmt = CameraParameters::PIXEL_FORMAT_RGB565; 2413 break; 2414 case HAL_PIXEL_FORMAT_RGBA_8888: // RGBA8888 2415 fmt = CameraParameters::PIXEL_FORMAT_RGBA8888; 2416 break; 2417 case HAL_PIXEL_FORMAT_RAW16: 2418 ALOGW("Raw sensor preview format requested."); 2419 fmt = CameraParameters::PIXEL_FORMAT_BAYER_RGGB; 2420 break; 2421 default: 2422 ALOGE("%s: Unknown preview format: %x", 2423 __FUNCTION__, format); 2424 fmt = NULL; 2425 break; 2426 } 2427 return fmt; 2428 } 2429 2430 int Parameters::wbModeStringToEnum(const char *wbMode) { 2431 return 2432 !wbMode ? 2433 ANDROID_CONTROL_AWB_MODE_AUTO : 2434 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_AUTO) ? 2435 ANDROID_CONTROL_AWB_MODE_AUTO : 2436 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_INCANDESCENT) ? 2437 ANDROID_CONTROL_AWB_MODE_INCANDESCENT : 2438 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_FLUORESCENT) ? 2439 ANDROID_CONTROL_AWB_MODE_FLUORESCENT : 2440 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT) ? 2441 ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT : 2442 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_DAYLIGHT) ? 2443 ANDROID_CONTROL_AWB_MODE_DAYLIGHT : 2444 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT) ? 2445 ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT : 2446 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_TWILIGHT) ? 2447 ANDROID_CONTROL_AWB_MODE_TWILIGHT : 2448 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_SHADE) ? 2449 ANDROID_CONTROL_AWB_MODE_SHADE : 2450 -1; 2451 } 2452 2453 const char* Parameters::wbModeEnumToString(uint8_t wbMode) { 2454 switch (wbMode) { 2455 case ANDROID_CONTROL_AWB_MODE_AUTO: 2456 return CameraParameters::WHITE_BALANCE_AUTO; 2457 case ANDROID_CONTROL_AWB_MODE_INCANDESCENT: 2458 return CameraParameters::WHITE_BALANCE_INCANDESCENT; 2459 case ANDROID_CONTROL_AWB_MODE_FLUORESCENT: 2460 return CameraParameters::WHITE_BALANCE_FLUORESCENT; 2461 case ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT: 2462 return CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT; 2463 case ANDROID_CONTROL_AWB_MODE_DAYLIGHT: 2464 return CameraParameters::WHITE_BALANCE_DAYLIGHT; 2465 case ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT: 2466 return CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT; 2467 case ANDROID_CONTROL_AWB_MODE_TWILIGHT: 2468 return CameraParameters::WHITE_BALANCE_TWILIGHT; 2469 case ANDROID_CONTROL_AWB_MODE_SHADE: 2470 return CameraParameters::WHITE_BALANCE_SHADE; 2471 default: 2472 ALOGE("%s: Unknown AWB mode enum: %d", 2473 __FUNCTION__, wbMode); 2474 return "unknown"; 2475 } 2476 } 2477 2478 int Parameters::effectModeStringToEnum(const char *effectMode) { 2479 return 2480 !effectMode ? 2481 ANDROID_CONTROL_EFFECT_MODE_OFF : 2482 !strcmp(effectMode, CameraParameters::EFFECT_NONE) ? 2483 ANDROID_CONTROL_EFFECT_MODE_OFF : 2484 !strcmp(effectMode, CameraParameters::EFFECT_MONO) ? 2485 ANDROID_CONTROL_EFFECT_MODE_MONO : 2486 !strcmp(effectMode, CameraParameters::EFFECT_NEGATIVE) ? 2487 ANDROID_CONTROL_EFFECT_MODE_NEGATIVE : 2488 !strcmp(effectMode, CameraParameters::EFFECT_SOLARIZE) ? 2489 ANDROID_CONTROL_EFFECT_MODE_SOLARIZE : 2490 !strcmp(effectMode, CameraParameters::EFFECT_SEPIA) ? 2491 ANDROID_CONTROL_EFFECT_MODE_SEPIA : 2492 !strcmp(effectMode, CameraParameters::EFFECT_POSTERIZE) ? 2493 ANDROID_CONTROL_EFFECT_MODE_POSTERIZE : 2494 !strcmp(effectMode, CameraParameters::EFFECT_WHITEBOARD) ? 2495 ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD : 2496 !strcmp(effectMode, CameraParameters::EFFECT_BLACKBOARD) ? 2497 ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD : 2498 !strcmp(effectMode, CameraParameters::EFFECT_AQUA) ? 2499 ANDROID_CONTROL_EFFECT_MODE_AQUA : 2500 -1; 2501 } 2502 2503 int Parameters::abModeStringToEnum(const char *abMode) { 2504 return 2505 !abMode ? 2506 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO : 2507 !strcmp(abMode, CameraParameters::ANTIBANDING_AUTO) ? 2508 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO : 2509 !strcmp(abMode, CameraParameters::ANTIBANDING_OFF) ? 2510 ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF : 2511 !strcmp(abMode, CameraParameters::ANTIBANDING_50HZ) ? 2512 ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ : 2513 !strcmp(abMode, CameraParameters::ANTIBANDING_60HZ) ? 2514 ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ : 2515 -1; 2516 } 2517 2518 int Parameters::sceneModeStringToEnum(const char *sceneMode) { 2519 return 2520 !sceneMode ? 2521 ANDROID_CONTROL_SCENE_MODE_DISABLED : 2522 !strcmp(sceneMode, CameraParameters::SCENE_MODE_AUTO) ? 2523 ANDROID_CONTROL_SCENE_MODE_DISABLED : 2524 !strcmp(sceneMode, CameraParameters::SCENE_MODE_ACTION) ? 2525 ANDROID_CONTROL_SCENE_MODE_ACTION : 2526 !strcmp(sceneMode, CameraParameters::SCENE_MODE_PORTRAIT) ? 2527 ANDROID_CONTROL_SCENE_MODE_PORTRAIT : 2528 !strcmp(sceneMode, CameraParameters::SCENE_MODE_LANDSCAPE) ? 2529 ANDROID_CONTROL_SCENE_MODE_LANDSCAPE : 2530 !strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT) ? 2531 ANDROID_CONTROL_SCENE_MODE_NIGHT : 2532 !strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT_PORTRAIT) ? 2533 ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT : 2534 !strcmp(sceneMode, CameraParameters::SCENE_MODE_THEATRE) ? 2535 ANDROID_CONTROL_SCENE_MODE_THEATRE : 2536 !strcmp(sceneMode, CameraParameters::SCENE_MODE_BEACH) ? 2537 ANDROID_CONTROL_SCENE_MODE_BEACH : 2538 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SNOW) ? 2539 ANDROID_CONTROL_SCENE_MODE_SNOW : 2540 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SUNSET) ? 2541 ANDROID_CONTROL_SCENE_MODE_SUNSET : 2542 !strcmp(sceneMode, CameraParameters::SCENE_MODE_STEADYPHOTO) ? 2543 ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO : 2544 !strcmp(sceneMode, CameraParameters::SCENE_MODE_FIREWORKS) ? 2545 ANDROID_CONTROL_SCENE_MODE_FIREWORKS : 2546 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SPORTS) ? 2547 ANDROID_CONTROL_SCENE_MODE_SPORTS : 2548 !strcmp(sceneMode, CameraParameters::SCENE_MODE_PARTY) ? 2549 ANDROID_CONTROL_SCENE_MODE_PARTY : 2550 !strcmp(sceneMode, CameraParameters::SCENE_MODE_CANDLELIGHT) ? 2551 ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT : 2552 !strcmp(sceneMode, CameraParameters::SCENE_MODE_BARCODE) ? 2553 ANDROID_CONTROL_SCENE_MODE_BARCODE: 2554 !strcmp(sceneMode, CameraParameters::SCENE_MODE_HDR) ? 2555 ANDROID_CONTROL_SCENE_MODE_HDR: 2556 -1; 2557 } 2558 2559 Parameters::Parameters::flashMode_t Parameters::flashModeStringToEnum( 2560 const char *flashMode) { 2561 return 2562 !flashMode ? 2563 Parameters::FLASH_MODE_OFF : 2564 !strcmp(flashMode, CameraParameters::FLASH_MODE_OFF) ? 2565 Parameters::FLASH_MODE_OFF : 2566 !strcmp(flashMode, CameraParameters::FLASH_MODE_AUTO) ? 2567 Parameters::FLASH_MODE_AUTO : 2568 !strcmp(flashMode, CameraParameters::FLASH_MODE_ON) ? 2569 Parameters::FLASH_MODE_ON : 2570 !strcmp(flashMode, CameraParameters::FLASH_MODE_RED_EYE) ? 2571 Parameters::FLASH_MODE_RED_EYE : 2572 !strcmp(flashMode, CameraParameters::FLASH_MODE_TORCH) ? 2573 Parameters::FLASH_MODE_TORCH : 2574 Parameters::FLASH_MODE_INVALID; 2575 } 2576 2577 const char *Parameters::flashModeEnumToString(flashMode_t flashMode) { 2578 switch (flashMode) { 2579 case FLASH_MODE_OFF: 2580 return CameraParameters::FLASH_MODE_OFF; 2581 case FLASH_MODE_AUTO: 2582 return CameraParameters::FLASH_MODE_AUTO; 2583 case FLASH_MODE_ON: 2584 return CameraParameters::FLASH_MODE_ON; 2585 case FLASH_MODE_RED_EYE: 2586 return CameraParameters::FLASH_MODE_RED_EYE; 2587 case FLASH_MODE_TORCH: 2588 return CameraParameters::FLASH_MODE_TORCH; 2589 default: 2590 ALOGE("%s: Unknown flash mode enum %d", 2591 __FUNCTION__, flashMode); 2592 return "unknown"; 2593 } 2594 } 2595 2596 Parameters::Parameters::focusMode_t Parameters::focusModeStringToEnum( 2597 const char *focusMode) { 2598 return 2599 !focusMode ? 2600 Parameters::FOCUS_MODE_INVALID : 2601 !strcmp(focusMode, CameraParameters::FOCUS_MODE_AUTO) ? 2602 Parameters::FOCUS_MODE_AUTO : 2603 !strcmp(focusMode, CameraParameters::FOCUS_MODE_INFINITY) ? 2604 Parameters::FOCUS_MODE_INFINITY : 2605 !strcmp(focusMode, CameraParameters::FOCUS_MODE_MACRO) ? 2606 Parameters::FOCUS_MODE_MACRO : 2607 !strcmp(focusMode, CameraParameters::FOCUS_MODE_FIXED) ? 2608 Parameters::FOCUS_MODE_FIXED : 2609 !strcmp(focusMode, CameraParameters::FOCUS_MODE_EDOF) ? 2610 Parameters::FOCUS_MODE_EDOF : 2611 !strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO) ? 2612 Parameters::FOCUS_MODE_CONTINUOUS_VIDEO : 2613 !strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE) ? 2614 Parameters::FOCUS_MODE_CONTINUOUS_PICTURE : 2615 Parameters::FOCUS_MODE_INVALID; 2616 } 2617 2618 const char *Parameters::focusModeEnumToString(focusMode_t focusMode) { 2619 switch (focusMode) { 2620 case FOCUS_MODE_AUTO: 2621 return CameraParameters::FOCUS_MODE_AUTO; 2622 case FOCUS_MODE_MACRO: 2623 return CameraParameters::FOCUS_MODE_MACRO; 2624 case FOCUS_MODE_CONTINUOUS_VIDEO: 2625 return CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO; 2626 case FOCUS_MODE_CONTINUOUS_PICTURE: 2627 return CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE; 2628 case FOCUS_MODE_EDOF: 2629 return CameraParameters::FOCUS_MODE_EDOF; 2630 case FOCUS_MODE_INFINITY: 2631 return CameraParameters::FOCUS_MODE_INFINITY; 2632 case FOCUS_MODE_FIXED: 2633 return CameraParameters::FOCUS_MODE_FIXED; 2634 default: 2635 ALOGE("%s: Unknown focus mode enum: %d", 2636 __FUNCTION__, focusMode); 2637 return "unknown"; 2638 } 2639 } 2640 2641 status_t Parameters::parseAreas(const char *areasCStr, 2642 Vector<Parameters::Area> *areas) { 2643 static const size_t NUM_FIELDS = 5; 2644 areas->clear(); 2645 if (areasCStr == NULL) { 2646 // If no key exists, use default (0,0,0,0,0) 2647 areas->push(); 2648 return OK; 2649 } 2650 String8 areasStr(areasCStr); 2651 ssize_t areaStart = areasStr.find("(", 0) + 1; 2652 while (areaStart != 0) { 2653 const char* area = areasStr.string() + areaStart; 2654 char *numEnd; 2655 int vals[NUM_FIELDS]; 2656 for (size_t i = 0; i < NUM_FIELDS; i++) { 2657 errno = 0; 2658 vals[i] = strtol(area, &numEnd, 10); 2659 if (errno || numEnd == area) return BAD_VALUE; 2660 area = numEnd + 1; 2661 } 2662 areas->push(Parameters::Area( 2663 vals[0], vals[1], vals[2], vals[3], vals[4]) ); 2664 areaStart = areasStr.find("(", areaStart) + 1; 2665 } 2666 return OK; 2667 } 2668 2669 status_t Parameters::validateAreas(const Vector<Parameters::Area> &areas, 2670 size_t maxRegions, 2671 AreaKind areaKind) const { 2672 // Definition of valid area can be found in 2673 // include/camera/CameraParameters.h 2674 if (areas.size() == 0) return BAD_VALUE; 2675 if (areas.size() == 1) { 2676 if (areas[0].left == 0 && 2677 areas[0].top == 0 && 2678 areas[0].right == 0 && 2679 areas[0].bottom == 0 && 2680 areas[0].weight == 0) { 2681 // Single (0,0,0,0,0) entry is always valid (== driver decides) 2682 return OK; 2683 } 2684 } 2685 2686 // fixed focus can only set (0,0,0,0,0) focus area 2687 if (areaKind == AREA_KIND_FOCUS && focusMode == FOCUS_MODE_FIXED) { 2688 return BAD_VALUE; 2689 } 2690 2691 if (areas.size() > maxRegions) { 2692 ALOGE("%s: Too many areas requested: %zu", 2693 __FUNCTION__, areas.size()); 2694 return BAD_VALUE; 2695 } 2696 2697 for (Vector<Parameters::Area>::const_iterator a = areas.begin(); 2698 a != areas.end(); a++) { 2699 if (a->weight < 1 || a->weight > 1000) return BAD_VALUE; 2700 if (a->left < -1000 || a->left > 1000) return BAD_VALUE; 2701 if (a->top < -1000 || a->top > 1000) return BAD_VALUE; 2702 if (a->right < -1000 || a->right > 1000) return BAD_VALUE; 2703 if (a->bottom < -1000 || a->bottom > 1000) return BAD_VALUE; 2704 if (a->left >= a->right) return BAD_VALUE; 2705 if (a->top >= a->bottom) return BAD_VALUE; 2706 } 2707 return OK; 2708 } 2709 2710 bool Parameters::boolFromString(const char *boolStr) { 2711 return !boolStr ? false : 2712 !strcmp(boolStr, CameraParameters::TRUE) ? true : 2713 false; 2714 } 2715 2716 int Parameters::degToTransform(int degrees, bool mirror) { 2717 if (!mirror) { 2718 if (degrees == 0) return 0; 2719 else if (degrees == 90) return HAL_TRANSFORM_ROT_90; 2720 else if (degrees == 180) return HAL_TRANSFORM_ROT_180; 2721 else if (degrees == 270) return HAL_TRANSFORM_ROT_270; 2722 } else { // Do mirror (horizontal flip) 2723 if (degrees == 0) { // FLIP_H and ROT_0 2724 return HAL_TRANSFORM_FLIP_H; 2725 } else if (degrees == 90) { // FLIP_H and ROT_90 2726 return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90; 2727 } else if (degrees == 180) { // FLIP_H and ROT_180 2728 return HAL_TRANSFORM_FLIP_V; 2729 } else if (degrees == 270) { // FLIP_H and ROT_270 2730 return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90; 2731 } 2732 } 2733 ALOGE("%s: Bad input: %d", __FUNCTION__, degrees); 2734 return -1; 2735 } 2736 2737 int Parameters::cropXToArray(int x) const { 2738 ALOG_ASSERT(x >= 0, "Crop-relative X coordinate = '%d' is out of bounds" 2739 "(lower = 0)", x); 2740 2741 CropRegion previewCrop = calculateCropRegion(/*previewOnly*/ true); 2742 ALOG_ASSERT(x < previewCrop.width, "Crop-relative X coordinate = '%d' " 2743 "is out of bounds (upper = %f)", x, previewCrop.width); 2744 2745 int ret = x + previewCrop.left; 2746 2747 ALOG_ASSERT( (ret >= 0 && ret < fastInfo.arrayWidth), 2748 "Calculated pixel array value X = '%d' is out of bounds (upper = %d)", 2749 ret, fastInfo.arrayWidth); 2750 return ret; 2751 } 2752 2753 int Parameters::cropYToArray(int y) const { 2754 ALOG_ASSERT(y >= 0, "Crop-relative Y coordinate = '%d' is out of bounds " 2755 "(lower = 0)", y); 2756 2757 CropRegion previewCrop = calculateCropRegion(/*previewOnly*/ true); 2758 ALOG_ASSERT(y < previewCrop.height, "Crop-relative Y coordinate = '%d' is " 2759 "out of bounds (upper = %f)", y, previewCrop.height); 2760 2761 int ret = y + previewCrop.top; 2762 2763 ALOG_ASSERT( (ret >= 0 && ret < fastInfo.arrayHeight), 2764 "Calculated pixel array value Y = '%d' is out of bounds (upper = %d)", 2765 ret, fastInfo.arrayHeight); 2766 2767 return ret; 2768 2769 } 2770 2771 int Parameters::normalizedXToCrop(int x) const { 2772 CropRegion previewCrop = calculateCropRegion(/*previewOnly*/ true); 2773 return (x + 1000) * (previewCrop.width - 1) / 2000; 2774 } 2775 2776 int Parameters::normalizedYToCrop(int y) const { 2777 CropRegion previewCrop = calculateCropRegion(/*previewOnly*/ true); 2778 return (y + 1000) * (previewCrop.height - 1) / 2000; 2779 } 2780 2781 int Parameters::normalizedXToArray(int x) const { 2782 2783 // Work-around for HAL pre-scaling the coordinates themselves 2784 if (quirks.meteringCropRegion) { 2785 return (x + 1000) * (fastInfo.arrayWidth - 1) / 2000; 2786 } 2787 2788 return cropXToArray(normalizedXToCrop(x)); 2789 } 2790 2791 int Parameters::normalizedYToArray(int y) const { 2792 // Work-around for HAL pre-scaling the coordinates themselves 2793 if (quirks.meteringCropRegion) { 2794 return (y + 1000) * (fastInfo.arrayHeight - 1) / 2000; 2795 } 2796 2797 return cropYToArray(normalizedYToCrop(y)); 2798 } 2799 2800 2801 Parameters::CropRegion Parameters::calculatePreviewCrop( 2802 const CropRegion &scalerCrop) const { 2803 float left, top, width, height; 2804 float previewAspect = static_cast<float>(previewWidth) / previewHeight; 2805 float cropAspect = scalerCrop.width / scalerCrop.height; 2806 2807 if (previewAspect > cropAspect) { 2808 width = scalerCrop.width; 2809 height = cropAspect * scalerCrop.height / previewAspect; 2810 2811 left = scalerCrop.left; 2812 top = scalerCrop.top + (scalerCrop.height - height) / 2; 2813 } else { 2814 width = previewAspect * scalerCrop.width / cropAspect; 2815 height = scalerCrop.height; 2816 2817 left = scalerCrop.left + (scalerCrop.width - width) / 2; 2818 top = scalerCrop.top; 2819 } 2820 2821 CropRegion previewCrop = {left, top, width, height}; 2822 2823 return previewCrop; 2824 } 2825 2826 int Parameters::arrayXToNormalizedWithCrop(int x, 2827 const CropRegion &scalerCrop) const { 2828 // Work-around for HAL pre-scaling the coordinates themselves 2829 if (quirks.meteringCropRegion) { 2830 return x * 2000 / (fastInfo.arrayWidth - 1) - 1000; 2831 } else { 2832 CropRegion previewCrop = calculatePreviewCrop(scalerCrop); 2833 return (x - previewCrop.left) * 2000 / (previewCrop.width - 1) - 1000; 2834 } 2835 } 2836 2837 int Parameters::arrayYToNormalizedWithCrop(int y, 2838 const CropRegion &scalerCrop) const { 2839 // Work-around for HAL pre-scaling the coordinates themselves 2840 if (quirks.meteringCropRegion) { 2841 return y * 2000 / (fastInfo.arrayHeight - 1) - 1000; 2842 } else { 2843 CropRegion previewCrop = calculatePreviewCrop(scalerCrop); 2844 return (y - previewCrop.top) * 2000 / (previewCrop.height - 1) - 1000; 2845 } 2846 } 2847 2848 status_t Parameters::getFilteredSizes(Size limit, Vector<Size> *sizes) { 2849 if (info == NULL) { 2850 ALOGE("%s: Static metadata is not initialized", __FUNCTION__); 2851 return NO_INIT; 2852 } 2853 if (sizes == NULL) { 2854 ALOGE("%s: Input size is null", __FUNCTION__); 2855 return BAD_VALUE; 2856 } 2857 sizes->clear(); 2858 2859 Vector<StreamConfiguration> scs = getStreamConfigurations(); 2860 for (size_t i=0; i < scs.size(); i++) { 2861 const StreamConfiguration &sc = scs[i]; 2862 if (sc.isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT && 2863 sc.format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED && 2864 sc.width <= limit.width && sc.height <= limit.height) { 2865 Size sz = {sc.width, sc.height}; 2866 sizes->push(sz); 2867 } 2868 } 2869 2870 if (sizes->isEmpty()) { 2871 ALOGE("generated preview size list is empty!!"); 2872 return BAD_VALUE; 2873 } 2874 return OK; 2875 } 2876 2877 Parameters::Size Parameters::getMaxSizeForRatio( 2878 float ratio, const int32_t* sizeArray, size_t count) { 2879 ALOG_ASSERT(sizeArray != NULL, "size array shouldn't be NULL"); 2880 ALOG_ASSERT(count >= 2 && count % 2 == 0, "count must be a positive even number"); 2881 2882 Size maxSize = {0, 0}; 2883 for (size_t i = 0; i < count; i += 2) { 2884 if (sizeArray[i] > 0 && sizeArray[i+1] > 0) { 2885 float curRatio = static_cast<float>(sizeArray[i]) / sizeArray[i+1]; 2886 if (fabs(curRatio - ratio) < ASPECT_RATIO_TOLERANCE && maxSize.width < sizeArray[i]) { 2887 maxSize.width = sizeArray[i]; 2888 maxSize.height = sizeArray[i+1]; 2889 } 2890 } 2891 } 2892 2893 if (maxSize.width == 0 || maxSize.height == 0) { 2894 maxSize.width = sizeArray[0]; 2895 maxSize.height = sizeArray[1]; 2896 ALOGW("Unable to find the size to match the given aspect ratio %f." 2897 "Fall back to %d x %d", ratio, maxSize.width, maxSize.height); 2898 } 2899 2900 return maxSize; 2901 } 2902 2903 Parameters::Size Parameters::getMaxSize(const Vector<Parameters::Size> &sizes) { 2904 Size maxSize = {-1, -1}; 2905 for (size_t i = 0; i < sizes.size(); i++) { 2906 if (sizes[i].width > maxSize.width || 2907 (sizes[i].width == maxSize.width && sizes[i].height > maxSize.height )) { 2908 maxSize = sizes[i]; 2909 } 2910 } 2911 return maxSize; 2912 } 2913 2914 Vector<Parameters::StreamConfiguration> Parameters::getStreamConfigurations() { 2915 const int STREAM_CONFIGURATION_SIZE = 4; 2916 const int STREAM_FORMAT_OFFSET = 0; 2917 const int STREAM_WIDTH_OFFSET = 1; 2918 const int STREAM_HEIGHT_OFFSET = 2; 2919 const int STREAM_IS_INPUT_OFFSET = 3; 2920 Vector<StreamConfiguration> scs; 2921 2922 camera_metadata_ro_entry_t availableStreamConfigs = 2923 staticInfo(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS); 2924 for (size_t i = 0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) { 2925 int32_t format = availableStreamConfigs.data.i32[i + STREAM_FORMAT_OFFSET]; 2926 int32_t width = availableStreamConfigs.data.i32[i + STREAM_WIDTH_OFFSET]; 2927 int32_t height = availableStreamConfigs.data.i32[i + STREAM_HEIGHT_OFFSET]; 2928 int32_t isInput = availableStreamConfigs.data.i32[i + STREAM_IS_INPUT_OFFSET]; 2929 StreamConfiguration sc = {format, width, height, isInput}; 2930 scs.add(sc); 2931 } 2932 return scs; 2933 } 2934 2935 int64_t Parameters::getJpegStreamMinFrameDurationNs(Parameters::Size size) { 2936 return getMinFrameDurationNs(size, HAL_PIXEL_FORMAT_BLOB); 2937 } 2938 2939 int64_t Parameters::getMinFrameDurationNs(Parameters::Size size, int fmt) { 2940 const int STREAM_DURATION_SIZE = 4; 2941 const int STREAM_FORMAT_OFFSET = 0; 2942 const int STREAM_WIDTH_OFFSET = 1; 2943 const int STREAM_HEIGHT_OFFSET = 2; 2944 const int STREAM_DURATION_OFFSET = 3; 2945 camera_metadata_ro_entry_t availableStreamMinDurations = 2946 staticInfo(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS); 2947 for (size_t i = 0; i < availableStreamMinDurations.count; i+= STREAM_DURATION_SIZE) { 2948 int64_t format = availableStreamMinDurations.data.i64[i + STREAM_FORMAT_OFFSET]; 2949 int64_t width = availableStreamMinDurations.data.i64[i + STREAM_WIDTH_OFFSET]; 2950 int64_t height = availableStreamMinDurations.data.i64[i + STREAM_HEIGHT_OFFSET]; 2951 int64_t duration = availableStreamMinDurations.data.i64[i + STREAM_DURATION_OFFSET]; 2952 if (format == fmt && width == size.width && height == size.height) { 2953 return duration; 2954 } 2955 } 2956 2957 return -1; 2958 } 2959 2960 bool Parameters::isFpsSupported(const Vector<Size> &sizes, int format, int32_t fps) { 2961 // Get min frame duration for each size and check if the given fps range can be supported. 2962 for (size_t i = 0 ; i < sizes.size(); i++) { 2963 int64_t minFrameDuration = getMinFrameDurationNs(sizes[i], format); 2964 if (minFrameDuration <= 0) { 2965 ALOGE("Min frame duration (%" PRId64") for size (%dx%d) and format 0x%x is wrong!", 2966 minFrameDuration, sizes[i].width, sizes[i].height, format); 2967 return false; 2968 } 2969 int32_t maxSupportedFps = 1e9 / minFrameDuration; 2970 // Add some margin here for the case where the hal supports 29.xxxfps. 2971 maxSupportedFps += FPS_MARGIN; 2972 if (fps > maxSupportedFps) { 2973 return false; 2974 } 2975 } 2976 return true; 2977 } 2978 2979 SortedVector<int32_t> Parameters::getAvailableOutputFormats() { 2980 SortedVector<int32_t> outputFormats; // Non-duplicated output formats 2981 Vector<StreamConfiguration> scs = getStreamConfigurations(); 2982 for (size_t i = 0; i < scs.size(); i++) { 2983 const StreamConfiguration &sc = scs[i]; 2984 if (sc.isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT) { 2985 outputFormats.add(sc.format); 2986 } 2987 } 2988 2989 return outputFormats; 2990 } 2991 2992 Vector<Parameters::Size> Parameters::getAvailableJpegSizes() { 2993 Vector<Parameters::Size> jpegSizes; 2994 Vector<StreamConfiguration> scs = getStreamConfigurations(); 2995 for (size_t i = 0; i < scs.size(); i++) { 2996 const StreamConfiguration &sc = scs[i]; 2997 if (sc.isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT && 2998 sc.format == HAL_PIXEL_FORMAT_BLOB) { 2999 Size sz = {sc.width, sc.height}; 3000 jpegSizes.add(sz); 3001 } 3002 } 3003 3004 return jpegSizes; 3005 } 3006 3007 Parameters::CropRegion Parameters::calculateCropRegion(bool previewOnly) const { 3008 3009 float zoomLeft, zoomTop, zoomWidth, zoomHeight; 3010 3011 // Need to convert zoom index into a crop rectangle. The rectangle is 3012 // chosen to maximize its area on the sensor 3013 3014 camera_metadata_ro_entry_t maxDigitalZoom = 3015 staticInfo(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM); 3016 // For each zoom step by how many pixels more do we change the zoom 3017 float zoomIncrement = (maxDigitalZoom.data.f[0] - 1) / 3018 (NUM_ZOOM_STEPS-1); 3019 // The desired activeAreaWidth/cropAreaWidth ratio (or height if h>w) 3020 // via interpolating zoom step into a zoom ratio 3021 float zoomRatio = 1 + zoomIncrement * zoom; 3022 ALOG_ASSERT( (zoomRatio >= 1.f && zoomRatio <= maxDigitalZoom.data.f[0]), 3023 "Zoom ratio calculated out of bounds. Expected 1 - %f, actual: %f", 3024 maxDigitalZoom.data.f[0], zoomRatio); 3025 3026 ALOGV("Zoom maxDigital=%f, increment=%f, ratio=%f, previewWidth=%d, " 3027 "previewHeight=%d, activeWidth=%d, activeHeight=%d", 3028 maxDigitalZoom.data.f[0], zoomIncrement, zoomRatio, previewWidth, 3029 previewHeight, fastInfo.arrayWidth, fastInfo.arrayHeight); 3030 3031 if (previewOnly) { 3032 // Calculate a tight crop region for the preview stream only 3033 float previewRatio = static_cast<float>(previewWidth) / previewHeight; 3034 3035 /* Ensure that the width/height never go out of bounds 3036 * by scaling across a diffent dimension if an out-of-bounds 3037 * possibility exists. 3038 * 3039 * e.g. if the previewratio < arrayratio and e.g. zoomratio = 1.0, then by 3040 * calculating the zoomWidth from zoomHeight we'll actually get a 3041 * zoomheight > arrayheight 3042 */ 3043 float arrayRatio = 1.f * fastInfo.arrayWidth / fastInfo.arrayHeight; 3044 if (previewRatio >= arrayRatio) { 3045 // Adjust the height based on the width 3046 zoomWidth = fastInfo.arrayWidth / zoomRatio; 3047 zoomHeight = zoomWidth * 3048 previewHeight / previewWidth; 3049 3050 } else { 3051 // Adjust the width based on the height 3052 zoomHeight = fastInfo.arrayHeight / zoomRatio; 3053 zoomWidth = zoomHeight * 3054 previewWidth / previewHeight; 3055 } 3056 } else { 3057 // Calculate the global crop region with a shape matching the active 3058 // array. 3059 zoomWidth = fastInfo.arrayWidth / zoomRatio; 3060 zoomHeight = fastInfo.arrayHeight / zoomRatio; 3061 } 3062 3063 // center the zoom area within the active area 3064 zoomLeft = (fastInfo.arrayWidth - zoomWidth) / 2; 3065 zoomTop = (fastInfo.arrayHeight - zoomHeight) / 2; 3066 3067 ALOGV("Crop region calculated (x=%d,y=%d,w=%f,h=%f) for zoom=%d", 3068 (int32_t)zoomLeft, (int32_t)zoomTop, zoomWidth, zoomHeight, this->zoom); 3069 3070 CropRegion crop = { zoomLeft, zoomTop, zoomWidth, zoomHeight }; 3071 return crop; 3072 } 3073 3074 status_t Parameters::calculatePictureFovs(float *horizFov, float *vertFov) 3075 const { 3076 camera_metadata_ro_entry_t sensorSize = 3077 staticInfo(ANDROID_SENSOR_INFO_PHYSICAL_SIZE, 2, 2); 3078 if (!sensorSize.count) return NO_INIT; 3079 3080 camera_metadata_ro_entry_t pixelArraySize = 3081 staticInfo(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE, 2, 2); 3082 if (!pixelArraySize.count) return NO_INIT; 3083 3084 float arrayAspect = static_cast<float>(fastInfo.arrayWidth) / 3085 fastInfo.arrayHeight; 3086 float stillAspect = static_cast<float>(pictureWidth) / pictureHeight; 3087 ALOGV("Array aspect: %f, still aspect: %f", arrayAspect, stillAspect); 3088 3089 // The crop factors from the full sensor array to the still picture crop 3090 // region 3091 float horizCropFactor = 1.f; 3092 float vertCropFactor = 1.f; 3093 3094 /** 3095 * Need to calculate the still image field of view based on the total pixel 3096 * array field of view, and the relative aspect ratios of the pixel array 3097 * and output streams. 3098 * 3099 * Special treatment for quirky definition of crop region and relative 3100 * stream cropping. 3101 */ 3102 if (quirks.meteringCropRegion) { 3103 // Use max of preview and video as first crop 3104 float previewAspect = static_cast<float>(previewWidth) / previewHeight; 3105 float videoAspect = static_cast<float>(videoWidth) / videoHeight; 3106 if (videoAspect > previewAspect) { 3107 previewAspect = videoAspect; 3108 } 3109 // First crop sensor to preview aspect ratio 3110 if (arrayAspect < previewAspect) { 3111 vertCropFactor = arrayAspect / previewAspect; 3112 } else { 3113 horizCropFactor = previewAspect / arrayAspect; 3114 } 3115 // Second crop to still aspect ratio 3116 if (stillAspect < previewAspect) { 3117 horizCropFactor *= stillAspect / previewAspect; 3118 } else { 3119 vertCropFactor *= previewAspect / stillAspect; 3120 } 3121 } else { 3122 /** 3123 * Crop are just a function of just the still/array relative aspect 3124 * ratios. Since each stream will maximize its area within the crop 3125 * region, and for FOV we assume a full-sensor crop region, we only ever 3126 * crop the FOV either vertically or horizontally, never both. 3127 */ 3128 horizCropFactor = (arrayAspect > stillAspect) ? 3129 (stillAspect / arrayAspect) : 1.f; 3130 vertCropFactor = (arrayAspect < stillAspect) ? 3131 (arrayAspect / stillAspect) : 1.f; 3132 } 3133 3134 /** 3135 * Convert the crop factors w.r.t the active array size to the crop factors 3136 * w.r.t the pixel array size. 3137 */ 3138 horizCropFactor *= (static_cast<float>(fastInfo.arrayWidth) / 3139 pixelArraySize.data.i32[0]); 3140 vertCropFactor *= (static_cast<float>(fastInfo.arrayHeight) / 3141 pixelArraySize.data.i32[1]); 3142 3143 ALOGV("Horiz crop factor: %f, vert crop fact: %f", 3144 horizCropFactor, vertCropFactor); 3145 /** 3146 * Basic field of view formula is: 3147 * angle of view = 2 * arctangent ( d / 2f ) 3148 * where d is the physical sensor dimension of interest, and f is 3149 * the focal length. This only applies to rectilinear sensors, for focusing 3150 * at distances >> f, etc. 3151 */ 3152 if (horizFov != NULL) { 3153 *horizFov = 180 / M_PI * 2 * 3154 atanf(horizCropFactor * sensorSize.data.f[0] / 3155 (2 * fastInfo.minFocalLength)); 3156 } 3157 if (vertFov != NULL) { 3158 *vertFov = 180 / M_PI * 2 * 3159 atanf(vertCropFactor * sensorSize.data.f[1] / 3160 (2 * fastInfo.minFocalLength)); 3161 } 3162 return OK; 3163 } 3164 3165 int32_t Parameters::fpsFromRange(int32_t /*min*/, int32_t max) const { 3166 return max; 3167 } 3168 3169 }; // namespace camera2 3170 }; // namespace android 3171
