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 33 namespace android { 34 namespace camera2 { 35 36 Parameters::Parameters(int cameraId, 37 int cameraFacing) : 38 cameraId(cameraId), 39 cameraFacing(cameraFacing), 40 info(NULL) { 41 } 42 43 Parameters::~Parameters() { 44 } 45 46 status_t Parameters::initialize(const CameraMetadata *info) { 47 status_t res; 48 49 if (info->entryCount() == 0) { 50 ALOGE("%s: No static information provided!", __FUNCTION__); 51 return BAD_VALUE; 52 } 53 Parameters::info = info; 54 55 res = buildFastInfo(); 56 if (res != OK) return res; 57 58 res = buildQuirks(); 59 if (res != OK) return res; 60 61 const Size MAX_PREVIEW_SIZE = { MAX_PREVIEW_WIDTH, MAX_PREVIEW_HEIGHT }; 62 res = getFilteredPreviewSizes(MAX_PREVIEW_SIZE, &availablePreviewSizes); 63 if (res != OK) return res; 64 65 // TODO: Pick more intelligently 66 previewWidth = availablePreviewSizes[0].width; 67 previewHeight = availablePreviewSizes[0].height; 68 videoWidth = previewWidth; 69 videoHeight = previewHeight; 70 71 params.setPreviewSize(previewWidth, previewHeight); 72 params.setVideoSize(videoWidth, videoHeight); 73 params.set(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO, 74 String8::format("%dx%d", 75 previewWidth, previewHeight)); 76 { 77 String8 supportedPreviewSizes; 78 for (size_t i = 0; i < availablePreviewSizes.size(); i++) { 79 if (i != 0) supportedPreviewSizes += ","; 80 supportedPreviewSizes += String8::format("%dx%d", 81 availablePreviewSizes[i].width, 82 availablePreviewSizes[i].height); 83 } 84 ALOGV("Supported preview sizes are: %s", supportedPreviewSizes.string()); 85 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, 86 supportedPreviewSizes); 87 params.set(CameraParameters::KEY_SUPPORTED_VIDEO_SIZES, 88 supportedPreviewSizes); 89 } 90 91 camera_metadata_ro_entry_t availableFpsRanges = 92 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 93 if (!availableFpsRanges.count) return NO_INIT; 94 95 previewFpsRange[0] = availableFpsRanges.data.i32[0]; 96 previewFpsRange[1] = availableFpsRanges.data.i32[1]; 97 98 params.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, 99 String8::format("%d,%d", 100 previewFpsRange[0] * kFpsToApiScale, 101 previewFpsRange[1] * kFpsToApiScale)); 102 103 { 104 String8 supportedPreviewFpsRange; 105 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 106 if (i != 0) supportedPreviewFpsRange += ","; 107 supportedPreviewFpsRange += String8::format("(%d,%d)", 108 availableFpsRanges.data.i32[i] * kFpsToApiScale, 109 availableFpsRanges.data.i32[i+1] * kFpsToApiScale); 110 } 111 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FPS_RANGE, 112 supportedPreviewFpsRange); 113 } 114 115 previewFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; 116 params.set(CameraParameters::KEY_PREVIEW_FORMAT, 117 formatEnumToString(previewFormat)); // NV21 118 119 previewTransform = degToTransform(0, 120 cameraFacing == CAMERA_FACING_FRONT); 121 122 camera_metadata_ro_entry_t availableFormats = 123 staticInfo(ANDROID_SCALER_AVAILABLE_FORMATS); 124 125 { 126 String8 supportedPreviewFormats; 127 bool addComma = false; 128 for (size_t i=0; i < availableFormats.count; i++) { 129 if (addComma) supportedPreviewFormats += ","; 130 addComma = true; 131 switch (availableFormats.data.i32[i]) { 132 case HAL_PIXEL_FORMAT_YCbCr_422_SP: 133 supportedPreviewFormats += 134 CameraParameters::PIXEL_FORMAT_YUV422SP; 135 break; 136 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 137 supportedPreviewFormats += 138 CameraParameters::PIXEL_FORMAT_YUV420SP; 139 break; 140 case HAL_PIXEL_FORMAT_YCbCr_422_I: 141 supportedPreviewFormats += 142 CameraParameters::PIXEL_FORMAT_YUV422I; 143 break; 144 case HAL_PIXEL_FORMAT_YV12: 145 supportedPreviewFormats += 146 CameraParameters::PIXEL_FORMAT_YUV420P; 147 break; 148 case HAL_PIXEL_FORMAT_RGB_565: 149 supportedPreviewFormats += 150 CameraParameters::PIXEL_FORMAT_RGB565; 151 break; 152 case HAL_PIXEL_FORMAT_RGBA_8888: 153 supportedPreviewFormats += 154 CameraParameters::PIXEL_FORMAT_RGBA8888; 155 break; 156 case HAL_PIXEL_FORMAT_YCbCr_420_888: 157 // Flexible YUV allows both YV12 and NV21 158 supportedPreviewFormats += 159 CameraParameters::PIXEL_FORMAT_YUV420P; 160 supportedPreviewFormats += ","; 161 supportedPreviewFormats += 162 CameraParameters::PIXEL_FORMAT_YUV420SP; 163 break; 164 // Not advertizing JPEG, RAW_SENSOR, etc, for preview formats 165 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 166 case HAL_PIXEL_FORMAT_RAW_SENSOR: 167 case HAL_PIXEL_FORMAT_BLOB: 168 addComma = false; 169 break; 170 171 default: 172 ALOGW("%s: Camera %d: Unknown preview format: %x", 173 __FUNCTION__, cameraId, availableFormats.data.i32[i]); 174 addComma = false; 175 break; 176 } 177 } 178 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS, 179 supportedPreviewFormats); 180 } 181 182 // PREVIEW_FRAME_RATE / SUPPORTED_PREVIEW_FRAME_RATES are deprecated, but 183 // still have to do something sane for them 184 185 // NOTE: Not scaled like FPS range values are. 186 previewFps = fpsFromRange(previewFpsRange[0], previewFpsRange[1]); 187 lastSetPreviewFps = previewFps; 188 params.set(CameraParameters::KEY_PREVIEW_FRAME_RATE, 189 previewFps); 190 191 { 192 SortedVector<int32_t> sortedPreviewFrameRates; 193 194 String8 supportedPreviewFrameRates; 195 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 196 // from the [min, max] fps range use the max value 197 int fps = fpsFromRange(availableFpsRanges.data.i32[i], 198 availableFpsRanges.data.i32[i+1]); 199 200 // de-dupe frame rates 201 if (sortedPreviewFrameRates.indexOf(fps) == NAME_NOT_FOUND) { 202 sortedPreviewFrameRates.add(fps); 203 } 204 else { 205 continue; 206 } 207 208 if (sortedPreviewFrameRates.size() > 1) { 209 supportedPreviewFrameRates += ","; 210 } 211 212 supportedPreviewFrameRates += String8::format("%d", 213 fps); 214 215 ALOGV("%s: Supported preview frame rates: %s", 216 __FUNCTION__, supportedPreviewFrameRates.string()); 217 } 218 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES, 219 supportedPreviewFrameRates); 220 } 221 222 camera_metadata_ro_entry_t availableJpegSizes = 223 staticInfo(ANDROID_SCALER_AVAILABLE_JPEG_SIZES, 2); 224 if (!availableJpegSizes.count) return NO_INIT; 225 226 // TODO: Pick maximum 227 pictureWidth = availableJpegSizes.data.i32[0]; 228 pictureHeight = availableJpegSizes.data.i32[1]; 229 230 params.setPictureSize(pictureWidth, 231 pictureHeight); 232 233 { 234 String8 supportedPictureSizes; 235 for (size_t i=0; i < availableJpegSizes.count; i += 2) { 236 if (i != 0) supportedPictureSizes += ","; 237 supportedPictureSizes += String8::format("%dx%d", 238 availableJpegSizes.data.i32[i], 239 availableJpegSizes.data.i32[i+1]); 240 } 241 params.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, 242 supportedPictureSizes); 243 } 244 245 params.setPictureFormat(CameraParameters::PIXEL_FORMAT_JPEG); 246 params.set(CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS, 247 CameraParameters::PIXEL_FORMAT_JPEG); 248 249 camera_metadata_ro_entry_t availableJpegThumbnailSizes = 250 staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, 4); 251 if (!availableJpegThumbnailSizes.count) return NO_INIT; 252 253 // Pick the largest thumbnail size that matches still image aspect ratio. 254 ALOG_ASSERT(pictureWidth > 0 && pictureHeight > 0, 255 "Invalid picture size, %d x %d", pictureWidth, pictureHeight); 256 float picAspectRatio = static_cast<float>(pictureWidth) / pictureHeight; 257 Size thumbnailSize = 258 getMaxSizeForRatio( 259 picAspectRatio, 260 &availableJpegThumbnailSizes.data.i32[0], 261 availableJpegThumbnailSizes.count); 262 jpegThumbSize[0] = thumbnailSize.width; 263 jpegThumbSize[1] = thumbnailSize.height; 264 265 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, 266 jpegThumbSize[0]); 267 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, 268 jpegThumbSize[1]); 269 270 { 271 String8 supportedJpegThumbSizes; 272 for (size_t i=0; i < availableJpegThumbnailSizes.count; i += 2) { 273 if (i != 0) supportedJpegThumbSizes += ","; 274 supportedJpegThumbSizes += String8::format("%dx%d", 275 availableJpegThumbnailSizes.data.i32[i], 276 availableJpegThumbnailSizes.data.i32[i+1]); 277 } 278 params.set(CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES, 279 supportedJpegThumbSizes); 280 } 281 282 jpegThumbQuality = 90; 283 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY, 284 jpegThumbQuality); 285 jpegQuality = 90; 286 params.set(CameraParameters::KEY_JPEG_QUALITY, 287 jpegQuality); 288 jpegRotation = 0; 289 params.set(CameraParameters::KEY_ROTATION, 290 jpegRotation); 291 292 gpsEnabled = false; 293 gpsCoordinates[0] = 0.0; 294 gpsCoordinates[1] = 0.0; 295 gpsCoordinates[2] = 0.0; 296 gpsTimestamp = 0; 297 gpsProcessingMethod = "unknown"; 298 // GPS fields in CameraParameters are not set by implementation 299 300 wbMode = ANDROID_CONTROL_AWB_MODE_AUTO; 301 params.set(CameraParameters::KEY_WHITE_BALANCE, 302 CameraParameters::WHITE_BALANCE_AUTO); 303 304 camera_metadata_ro_entry_t availableWhiteBalanceModes = 305 staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 0, 0, false); 306 if (!availableWhiteBalanceModes.count) { 307 params.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, 308 CameraParameters::WHITE_BALANCE_AUTO); 309 } else { 310 String8 supportedWhiteBalance; 311 bool addComma = false; 312 for (size_t i=0; i < availableWhiteBalanceModes.count; i++) { 313 if (addComma) supportedWhiteBalance += ","; 314 addComma = true; 315 switch (availableWhiteBalanceModes.data.u8[i]) { 316 case ANDROID_CONTROL_AWB_MODE_AUTO: 317 supportedWhiteBalance += 318 CameraParameters::WHITE_BALANCE_AUTO; 319 break; 320 case ANDROID_CONTROL_AWB_MODE_INCANDESCENT: 321 supportedWhiteBalance += 322 CameraParameters::WHITE_BALANCE_INCANDESCENT; 323 break; 324 case ANDROID_CONTROL_AWB_MODE_FLUORESCENT: 325 supportedWhiteBalance += 326 CameraParameters::WHITE_BALANCE_FLUORESCENT; 327 break; 328 case ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT: 329 supportedWhiteBalance += 330 CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT; 331 break; 332 case ANDROID_CONTROL_AWB_MODE_DAYLIGHT: 333 supportedWhiteBalance += 334 CameraParameters::WHITE_BALANCE_DAYLIGHT; 335 break; 336 case ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT: 337 supportedWhiteBalance += 338 CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT; 339 break; 340 case ANDROID_CONTROL_AWB_MODE_TWILIGHT: 341 supportedWhiteBalance += 342 CameraParameters::WHITE_BALANCE_TWILIGHT; 343 break; 344 case ANDROID_CONTROL_AWB_MODE_SHADE: 345 supportedWhiteBalance += 346 CameraParameters::WHITE_BALANCE_SHADE; 347 break; 348 // Skipping values not mappable to v1 API 349 case ANDROID_CONTROL_AWB_MODE_OFF: 350 addComma = false; 351 break; 352 default: 353 ALOGW("%s: Camera %d: Unknown white balance value: %d", 354 __FUNCTION__, cameraId, 355 availableWhiteBalanceModes.data.u8[i]); 356 addComma = false; 357 break; 358 } 359 } 360 params.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, 361 supportedWhiteBalance); 362 } 363 364 effectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 365 params.set(CameraParameters::KEY_EFFECT, 366 CameraParameters::EFFECT_NONE); 367 368 camera_metadata_ro_entry_t availableEffects = 369 staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS, 0, 0, false); 370 if (!availableEffects.count) { 371 params.set(CameraParameters::KEY_SUPPORTED_EFFECTS, 372 CameraParameters::EFFECT_NONE); 373 } else { 374 String8 supportedEffects; 375 bool addComma = false; 376 for (size_t i=0; i < availableEffects.count; i++) { 377 if (addComma) supportedEffects += ","; 378 addComma = true; 379 switch (availableEffects.data.u8[i]) { 380 case ANDROID_CONTROL_EFFECT_MODE_OFF: 381 supportedEffects += 382 CameraParameters::EFFECT_NONE; 383 break; 384 case ANDROID_CONTROL_EFFECT_MODE_MONO: 385 supportedEffects += 386 CameraParameters::EFFECT_MONO; 387 break; 388 case ANDROID_CONTROL_EFFECT_MODE_NEGATIVE: 389 supportedEffects += 390 CameraParameters::EFFECT_NEGATIVE; 391 break; 392 case ANDROID_CONTROL_EFFECT_MODE_SOLARIZE: 393 supportedEffects += 394 CameraParameters::EFFECT_SOLARIZE; 395 break; 396 case ANDROID_CONTROL_EFFECT_MODE_SEPIA: 397 supportedEffects += 398 CameraParameters::EFFECT_SEPIA; 399 break; 400 case ANDROID_CONTROL_EFFECT_MODE_POSTERIZE: 401 supportedEffects += 402 CameraParameters::EFFECT_POSTERIZE; 403 break; 404 case ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD: 405 supportedEffects += 406 CameraParameters::EFFECT_WHITEBOARD; 407 break; 408 case ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD: 409 supportedEffects += 410 CameraParameters::EFFECT_BLACKBOARD; 411 break; 412 case ANDROID_CONTROL_EFFECT_MODE_AQUA: 413 supportedEffects += 414 CameraParameters::EFFECT_AQUA; 415 break; 416 default: 417 ALOGW("%s: Camera %d: Unknown effect value: %d", 418 __FUNCTION__, cameraId, availableEffects.data.u8[i]); 419 addComma = false; 420 break; 421 } 422 } 423 params.set(CameraParameters::KEY_SUPPORTED_EFFECTS, supportedEffects); 424 } 425 426 antibandingMode = ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO; 427 params.set(CameraParameters::KEY_ANTIBANDING, 428 CameraParameters::ANTIBANDING_AUTO); 429 430 camera_metadata_ro_entry_t availableAntibandingModes = 431 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, 0, 0, false); 432 if (!availableAntibandingModes.count) { 433 params.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, 434 CameraParameters::ANTIBANDING_OFF); 435 } else { 436 String8 supportedAntibanding; 437 bool addComma = false; 438 for (size_t i=0; i < availableAntibandingModes.count; i++) { 439 if (addComma) supportedAntibanding += ","; 440 addComma = true; 441 switch (availableAntibandingModes.data.u8[i]) { 442 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF: 443 supportedAntibanding += 444 CameraParameters::ANTIBANDING_OFF; 445 break; 446 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ: 447 supportedAntibanding += 448 CameraParameters::ANTIBANDING_50HZ; 449 break; 450 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ: 451 supportedAntibanding += 452 CameraParameters::ANTIBANDING_60HZ; 453 break; 454 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO: 455 supportedAntibanding += 456 CameraParameters::ANTIBANDING_AUTO; 457 break; 458 default: 459 ALOGW("%s: Camera %d: Unknown antibanding value: %d", 460 __FUNCTION__, cameraId, 461 availableAntibandingModes.data.u8[i]); 462 addComma = false; 463 break; 464 } 465 } 466 params.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, 467 supportedAntibanding); 468 } 469 470 sceneMode = ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED; 471 params.set(CameraParameters::KEY_SCENE_MODE, 472 CameraParameters::SCENE_MODE_AUTO); 473 474 camera_metadata_ro_entry_t availableSceneModes = 475 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 0, 0, false); 476 if (!availableSceneModes.count) { 477 params.remove(CameraParameters::KEY_SCENE_MODE); 478 } else { 479 String8 supportedSceneModes(CameraParameters::SCENE_MODE_AUTO); 480 bool addComma = true; 481 bool noSceneModes = false; 482 for (size_t i=0; i < availableSceneModes.count; i++) { 483 if (addComma) supportedSceneModes += ","; 484 addComma = true; 485 switch (availableSceneModes.data.u8[i]) { 486 case ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED: 487 noSceneModes = true; 488 break; 489 case ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY: 490 // Not in old API 491 addComma = false; 492 break; 493 case ANDROID_CONTROL_SCENE_MODE_ACTION: 494 supportedSceneModes += 495 CameraParameters::SCENE_MODE_ACTION; 496 break; 497 case ANDROID_CONTROL_SCENE_MODE_PORTRAIT: 498 supportedSceneModes += 499 CameraParameters::SCENE_MODE_PORTRAIT; 500 break; 501 case ANDROID_CONTROL_SCENE_MODE_LANDSCAPE: 502 supportedSceneModes += 503 CameraParameters::SCENE_MODE_LANDSCAPE; 504 break; 505 case ANDROID_CONTROL_SCENE_MODE_NIGHT: 506 supportedSceneModes += 507 CameraParameters::SCENE_MODE_NIGHT; 508 break; 509 case ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT: 510 supportedSceneModes += 511 CameraParameters::SCENE_MODE_NIGHT_PORTRAIT; 512 break; 513 case ANDROID_CONTROL_SCENE_MODE_THEATRE: 514 supportedSceneModes += 515 CameraParameters::SCENE_MODE_THEATRE; 516 break; 517 case ANDROID_CONTROL_SCENE_MODE_BEACH: 518 supportedSceneModes += 519 CameraParameters::SCENE_MODE_BEACH; 520 break; 521 case ANDROID_CONTROL_SCENE_MODE_SNOW: 522 supportedSceneModes += 523 CameraParameters::SCENE_MODE_SNOW; 524 break; 525 case ANDROID_CONTROL_SCENE_MODE_SUNSET: 526 supportedSceneModes += 527 CameraParameters::SCENE_MODE_SUNSET; 528 break; 529 case ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO: 530 supportedSceneModes += 531 CameraParameters::SCENE_MODE_STEADYPHOTO; 532 break; 533 case ANDROID_CONTROL_SCENE_MODE_FIREWORKS: 534 supportedSceneModes += 535 CameraParameters::SCENE_MODE_FIREWORKS; 536 break; 537 case ANDROID_CONTROL_SCENE_MODE_SPORTS: 538 supportedSceneModes += 539 CameraParameters::SCENE_MODE_SPORTS; 540 break; 541 case ANDROID_CONTROL_SCENE_MODE_PARTY: 542 supportedSceneModes += 543 CameraParameters::SCENE_MODE_PARTY; 544 break; 545 case ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT: 546 supportedSceneModes += 547 CameraParameters::SCENE_MODE_CANDLELIGHT; 548 break; 549 case ANDROID_CONTROL_SCENE_MODE_BARCODE: 550 supportedSceneModes += 551 CameraParameters::SCENE_MODE_BARCODE; 552 break; 553 default: 554 ALOGW("%s: Camera %d: Unknown scene mode value: %d", 555 __FUNCTION__, cameraId, 556 availableSceneModes.data.u8[i]); 557 addComma = false; 558 break; 559 } 560 } 561 if (!noSceneModes) { 562 params.set(CameraParameters::KEY_SUPPORTED_SCENE_MODES, 563 supportedSceneModes); 564 } else { 565 params.remove(CameraParameters::KEY_SCENE_MODE); 566 } 567 } 568 569 bool isFlashAvailable = false; 570 camera_metadata_ro_entry_t flashAvailable = 571 staticInfo(ANDROID_FLASH_INFO_AVAILABLE, 0, 1, false); 572 if (flashAvailable.count) { 573 isFlashAvailable = flashAvailable.data.u8[0]; 574 } 575 576 camera_metadata_ro_entry_t availableAeModes = 577 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES, 0, 0, false); 578 579 if (isFlashAvailable) { 580 flashMode = Parameters::FLASH_MODE_OFF; 581 params.set(CameraParameters::KEY_FLASH_MODE, 582 CameraParameters::FLASH_MODE_OFF); 583 584 String8 supportedFlashModes(CameraParameters::FLASH_MODE_OFF); 585 supportedFlashModes = supportedFlashModes + 586 "," + CameraParameters::FLASH_MODE_AUTO + 587 "," + CameraParameters::FLASH_MODE_ON + 588 "," + CameraParameters::FLASH_MODE_TORCH; 589 for (size_t i=0; i < availableAeModes.count; i++) { 590 if (availableAeModes.data.u8[i] == 591 ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE) { 592 supportedFlashModes = supportedFlashModes + "," + 593 CameraParameters::FLASH_MODE_RED_EYE; 594 break; 595 } 596 } 597 params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES, 598 supportedFlashModes); 599 } else { 600 flashMode = Parameters::FLASH_MODE_OFF; 601 params.set(CameraParameters::KEY_FLASH_MODE, 602 CameraParameters::FLASH_MODE_OFF); 603 params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES, 604 CameraParameters::FLASH_MODE_OFF); 605 } 606 607 camera_metadata_ro_entry_t minFocusDistance = 608 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 1, false); 609 610 camera_metadata_ro_entry_t availableAfModes = 611 staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES, 0, 0, false); 612 613 if (!minFocusDistance.count || minFocusDistance.data.f[0] == 0) { 614 // Fixed-focus lens 615 focusMode = Parameters::FOCUS_MODE_FIXED; 616 params.set(CameraParameters::KEY_FOCUS_MODE, 617 CameraParameters::FOCUS_MODE_FIXED); 618 params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, 619 CameraParameters::FOCUS_MODE_FIXED); 620 } else { 621 focusMode = Parameters::FOCUS_MODE_AUTO; 622 params.set(CameraParameters::KEY_FOCUS_MODE, 623 CameraParameters::FOCUS_MODE_AUTO); 624 String8 supportedFocusModes(CameraParameters::FOCUS_MODE_INFINITY); 625 bool addComma = true; 626 627 for (size_t i=0; i < availableAfModes.count; i++) { 628 if (addComma) supportedFocusModes += ","; 629 addComma = true; 630 switch (availableAfModes.data.u8[i]) { 631 case ANDROID_CONTROL_AF_MODE_AUTO: 632 supportedFocusModes += 633 CameraParameters::FOCUS_MODE_AUTO; 634 break; 635 case ANDROID_CONTROL_AF_MODE_MACRO: 636 supportedFocusModes += 637 CameraParameters::FOCUS_MODE_MACRO; 638 break; 639 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 640 supportedFocusModes += 641 CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO; 642 break; 643 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 644 supportedFocusModes += 645 CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE; 646 break; 647 case ANDROID_CONTROL_AF_MODE_EDOF: 648 supportedFocusModes += 649 CameraParameters::FOCUS_MODE_EDOF; 650 break; 651 // Not supported in old API 652 case ANDROID_CONTROL_AF_MODE_OFF: 653 addComma = false; 654 break; 655 default: 656 ALOGW("%s: Camera %d: Unknown AF mode value: %d", 657 __FUNCTION__, cameraId, availableAfModes.data.u8[i]); 658 addComma = false; 659 break; 660 } 661 } 662 params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, 663 supportedFocusModes); 664 } 665 focusState = ANDROID_CONTROL_AF_STATE_INACTIVE; 666 shadowFocusMode = FOCUS_MODE_INVALID; 667 668 camera_metadata_ro_entry_t max3aRegions = 669 staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1, 1); 670 if (!max3aRegions.count) return NO_INIT; 671 672 int32_t maxNumFocusAreas = 0; 673 if (focusMode != Parameters::FOCUS_MODE_FIXED) { 674 maxNumFocusAreas = max3aRegions.data.i32[0]; 675 } 676 params.set(CameraParameters::KEY_MAX_NUM_FOCUS_AREAS, maxNumFocusAreas); 677 params.set(CameraParameters::KEY_FOCUS_AREAS, 678 "(0,0,0,0,0)"); 679 focusingAreas.clear(); 680 focusingAreas.add(Parameters::Area(0,0,0,0,0)); 681 682 camera_metadata_ro_entry_t availableFocalLengths = 683 staticInfo(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS, 0, 0, false); 684 if (!availableFocalLengths.count) return NO_INIT; 685 686 float minFocalLength = availableFocalLengths.data.f[0]; 687 params.setFloat(CameraParameters::KEY_FOCAL_LENGTH, minFocalLength); 688 689 float horizFov, vertFov; 690 res = calculatePictureFovs(&horizFov, &vertFov); 691 if (res != OK) { 692 ALOGE("%s: Can't calculate field of views!", __FUNCTION__); 693 return res; 694 } 695 696 params.setFloat(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, horizFov); 697 params.setFloat(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, vertFov); 698 699 exposureCompensation = 0; 700 params.set(CameraParameters::KEY_EXPOSURE_COMPENSATION, 701 exposureCompensation); 702 703 camera_metadata_ro_entry_t exposureCompensationRange = 704 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_RANGE, 2, 2); 705 if (!exposureCompensationRange.count) return NO_INIT; 706 707 params.set(CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION, 708 exposureCompensationRange.data.i32[1]); 709 params.set(CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION, 710 exposureCompensationRange.data.i32[0]); 711 712 camera_metadata_ro_entry_t exposureCompensationStep = 713 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_STEP, 1, 1); 714 if (!exposureCompensationStep.count) return NO_INIT; 715 716 params.setFloat(CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP, 717 (float)exposureCompensationStep.data.r[0].numerator / 718 exposureCompensationStep.data.r[0].denominator); 719 720 autoExposureLock = false; 721 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK, 722 CameraParameters::FALSE); 723 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED, 724 CameraParameters::TRUE); 725 726 autoWhiteBalanceLock = false; 727 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK, 728 CameraParameters::FALSE); 729 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED, 730 CameraParameters::TRUE); 731 732 meteringAreas.add(Parameters::Area(0, 0, 0, 0, 0)); 733 params.set(CameraParameters::KEY_MAX_NUM_METERING_AREAS, 734 max3aRegions.data.i32[0]); 735 params.set(CameraParameters::KEY_METERING_AREAS, 736 "(0,0,0,0,0)"); 737 738 zoom = 0; 739 params.set(CameraParameters::KEY_ZOOM, zoom); 740 params.set(CameraParameters::KEY_MAX_ZOOM, NUM_ZOOM_STEPS - 1); 741 742 camera_metadata_ro_entry_t maxDigitalZoom = 743 staticInfo(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, /*minCount*/1, /*maxCount*/1); 744 if (!maxDigitalZoom.count) return NO_INIT; 745 746 { 747 String8 zoomRatios; 748 float zoom = 1.f; 749 float zoomIncrement = (maxDigitalZoom.data.f[0] - zoom) / 750 (NUM_ZOOM_STEPS-1); 751 bool addComma = false; 752 for (size_t i=0; i < NUM_ZOOM_STEPS; i++) { 753 if (addComma) zoomRatios += ","; 754 addComma = true; 755 zoomRatios += String8::format("%d", static_cast<int>(zoom * 100)); 756 zoom += zoomIncrement; 757 } 758 params.set(CameraParameters::KEY_ZOOM_RATIOS, zoomRatios); 759 } 760 761 params.set(CameraParameters::KEY_ZOOM_SUPPORTED, 762 CameraParameters::TRUE); 763 params.set(CameraParameters::KEY_SMOOTH_ZOOM_SUPPORTED, 764 CameraParameters::FALSE); 765 766 params.set(CameraParameters::KEY_FOCUS_DISTANCES, 767 "Infinity,Infinity,Infinity"); 768 769 params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_HW, 770 fastInfo.maxFaces); 771 params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_SW, 772 0); 773 774 params.set(CameraParameters::KEY_VIDEO_FRAME_FORMAT, 775 CameraParameters::PIXEL_FORMAT_ANDROID_OPAQUE); 776 777 recordingHint = false; 778 params.set(CameraParameters::KEY_RECORDING_HINT, 779 CameraParameters::FALSE); 780 781 params.set(CameraParameters::KEY_VIDEO_SNAPSHOT_SUPPORTED, 782 CameraParameters::TRUE); 783 784 videoStabilization = false; 785 params.set(CameraParameters::KEY_VIDEO_STABILIZATION, 786 CameraParameters::FALSE); 787 788 camera_metadata_ro_entry_t availableVideoStabilizationModes = 789 staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 0, 0, 790 false); 791 792 if (availableVideoStabilizationModes.count > 1) { 793 params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED, 794 CameraParameters::TRUE); 795 } else { 796 params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED, 797 CameraParameters::FALSE); 798 } 799 800 // Set up initial state for non-Camera.Parameters state variables 801 802 storeMetadataInBuffers = true; 803 playShutterSound = true; 804 enableFaceDetect = false; 805 806 enableFocusMoveMessages = false; 807 afTriggerCounter = 1; 808 afStateCounter = 0; 809 currentAfTriggerId = -1; 810 afInMotion = false; 811 812 precaptureTriggerCounter = 1; 813 814 takePictureCounter = 0; 815 816 previewCallbackFlags = 0; 817 previewCallbackOneShot = false; 818 previewCallbackSurface = false; 819 820 char value[PROPERTY_VALUE_MAX]; 821 property_get("camera.disable_zsl_mode", value, "0"); 822 if (!strcmp(value,"1")) { 823 ALOGI("Camera %d: Disabling ZSL mode", cameraId); 824 zslMode = false; 825 } else { 826 zslMode = true; 827 } 828 829 lightFx = LIGHTFX_NONE; 830 831 state = STOPPED; 832 833 paramsFlattened = params.flatten(); 834 835 return OK; 836 } 837 838 String8 Parameters::get() const { 839 return paramsFlattened; 840 } 841 842 status_t Parameters::buildFastInfo() { 843 844 camera_metadata_ro_entry_t activeArraySize = 845 staticInfo(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, 2, 4); 846 if (!activeArraySize.count) return NO_INIT; 847 int32_t arrayWidth; 848 int32_t arrayHeight; 849 if (activeArraySize.count == 2) { 850 ALOGW("%s: Camera %d: activeArraySize is missing xmin/ymin!", 851 __FUNCTION__, cameraId); 852 arrayWidth = activeArraySize.data.i32[0]; 853 arrayHeight = activeArraySize.data.i32[1]; 854 } else if (activeArraySize.count == 4) { 855 arrayWidth = activeArraySize.data.i32[2]; 856 arrayHeight = activeArraySize.data.i32[3]; 857 } else return NO_INIT; 858 859 // We'll set the target FPS range for still captures to be as wide 860 // as possible to give the HAL maximum latitude for exposure selection 861 camera_metadata_ro_entry_t availableFpsRanges = 862 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 863 if (availableFpsRanges.count < 2 || availableFpsRanges.count % 2 != 0) { 864 return NO_INIT; 865 } 866 867 int32_t bestStillCaptureFpsRange[2] = { 868 availableFpsRanges.data.i32[0], availableFpsRanges.data.i32[1] 869 }; 870 int32_t curRange = 871 bestStillCaptureFpsRange[1] - bestStillCaptureFpsRange[0]; 872 for (size_t i = 2; i < availableFpsRanges.count; i += 2) { 873 int32_t nextRange = 874 availableFpsRanges.data.i32[i + 1] - 875 availableFpsRanges.data.i32[i]; 876 if ( (nextRange > curRange) || // Maximize size of FPS range first 877 (nextRange == curRange && // Then minimize low-end FPS 878 bestStillCaptureFpsRange[0] > availableFpsRanges.data.i32[i])) { 879 880 bestStillCaptureFpsRange[0] = availableFpsRanges.data.i32[i]; 881 bestStillCaptureFpsRange[1] = availableFpsRanges.data.i32[i + 1]; 882 curRange = nextRange; 883 } 884 } 885 886 camera_metadata_ro_entry_t availableFaceDetectModes = 887 staticInfo(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, 0, 0, 888 false); 889 890 uint8_t bestFaceDetectMode = 891 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 892 for (size_t i = 0 ; i < availableFaceDetectModes.count; i++) { 893 switch (availableFaceDetectModes.data.u8[i]) { 894 case ANDROID_STATISTICS_FACE_DETECT_MODE_OFF: 895 break; 896 case ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE: 897 if (bestFaceDetectMode != 898 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL) { 899 bestFaceDetectMode = 900 ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE; 901 } 902 break; 903 case ANDROID_STATISTICS_FACE_DETECT_MODE_FULL: 904 bestFaceDetectMode = 905 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL; 906 break; 907 default: 908 ALOGE("%s: Camera %d: Unknown face detect mode %d:", 909 __FUNCTION__, cameraId, 910 availableFaceDetectModes.data.u8[i]); 911 return NO_INIT; 912 } 913 } 914 915 int32_t maxFaces = 0; 916 camera_metadata_ro_entry_t maxFacesDetected = 917 staticInfo(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT, 0, 1, false); 918 if (maxFacesDetected.count) { 919 maxFaces = maxFacesDetected.data.i32[0]; 920 } 921 922 camera_metadata_ro_entry_t availableSceneModes = 923 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 0, 0, false); 924 camera_metadata_ro_entry_t sceneModeOverrides = 925 staticInfo(ANDROID_CONTROL_SCENE_MODE_OVERRIDES, 0, 0, false); 926 camera_metadata_ro_entry_t minFocusDistance = 927 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 0, false); 928 bool fixedLens = minFocusDistance.count == 0 || 929 minFocusDistance.data.f[0] == 0; 930 931 camera_metadata_ro_entry_t availableFocalLengths = 932 staticInfo(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS); 933 if (!availableFocalLengths.count) return NO_INIT; 934 935 camera_metadata_ro_entry_t availableFormats = 936 staticInfo(ANDROID_SCALER_AVAILABLE_FORMATS); 937 if (!availableFormats.count) return NO_INIT; 938 939 940 if (sceneModeOverrides.count > 0) { 941 // sceneModeOverrides is defined to have 3 entries for each scene mode, 942 // which are AE, AWB, and AF override modes the HAL wants for that scene 943 // mode. 944 const size_t kModesPerSceneMode = 3; 945 if (sceneModeOverrides.count != 946 availableSceneModes.count * kModesPerSceneMode) { 947 ALOGE("%s: Camera %d: Scene mode override list is an " 948 "unexpected size: %d (expected %d)", __FUNCTION__, 949 cameraId, sceneModeOverrides.count, 950 availableSceneModes.count); 951 return NO_INIT; 952 } 953 for (size_t i = 0; i < availableSceneModes.count; i++) { 954 DeviceInfo::OverrideModes modes; 955 uint8_t aeMode = 956 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 0]; 957 switch(aeMode) { 958 case ANDROID_CONTROL_AE_MODE_ON: 959 modes.flashMode = FLASH_MODE_OFF; 960 break; 961 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH: 962 modes.flashMode = FLASH_MODE_AUTO; 963 break; 964 case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH: 965 modes.flashMode = FLASH_MODE_ON; 966 break; 967 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE: 968 modes.flashMode = FLASH_MODE_RED_EYE; 969 break; 970 default: 971 ALOGE("%s: Unknown override AE mode: %d", __FUNCTION__, 972 aeMode); 973 modes.flashMode = FLASH_MODE_INVALID; 974 break; 975 } 976 modes.wbMode = 977 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 1]; 978 uint8_t afMode = 979 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 2]; 980 switch(afMode) { 981 case ANDROID_CONTROL_AF_MODE_OFF: 982 modes.focusMode = fixedLens ? 983 FOCUS_MODE_FIXED : FOCUS_MODE_INFINITY; 984 break; 985 case ANDROID_CONTROL_AF_MODE_AUTO: 986 case ANDROID_CONTROL_AF_MODE_MACRO: 987 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 988 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 989 case ANDROID_CONTROL_AF_MODE_EDOF: 990 modes.focusMode = static_cast<focusMode_t>(afMode); 991 break; 992 default: 993 ALOGE("%s: Unknown override AF mode: %d", __FUNCTION__, 994 afMode); 995 modes.focusMode = FOCUS_MODE_INVALID; 996 break; 997 } 998 fastInfo.sceneModeOverrides.add(availableSceneModes.data.u8[i], 999 modes); 1000 } 1001 } 1002 1003 fastInfo.arrayWidth = arrayWidth; 1004 fastInfo.arrayHeight = arrayHeight; 1005 fastInfo.bestStillCaptureFpsRange[0] = bestStillCaptureFpsRange[0]; 1006 fastInfo.bestStillCaptureFpsRange[1] = bestStillCaptureFpsRange[1]; 1007 fastInfo.bestFaceDetectMode = bestFaceDetectMode; 1008 fastInfo.maxFaces = maxFaces; 1009 1010 // Find smallest (widest-angle) focal length to use as basis of still 1011 // picture FOV reporting. 1012 fastInfo.minFocalLength = availableFocalLengths.data.f[0]; 1013 for (size_t i = 1; i < availableFocalLengths.count; i++) { 1014 if (fastInfo.minFocalLength > availableFocalLengths.data.f[i]) { 1015 fastInfo.minFocalLength = availableFocalLengths.data.f[i]; 1016 } 1017 } 1018 1019 // Check if the HAL supports HAL_PIXEL_FORMAT_YCbCr_420_888 1020 fastInfo.useFlexibleYuv = false; 1021 for (size_t i = 0; i < availableFormats.count; i++) { 1022 if (availableFormats.data.i32[i] == HAL_PIXEL_FORMAT_YCbCr_420_888) { 1023 fastInfo.useFlexibleYuv = true; 1024 break; 1025 } 1026 } 1027 ALOGV("Camera %d: Flexible YUV %s supported", 1028 cameraId, fastInfo.useFlexibleYuv ? "is" : "is not"); 1029 1030 return OK; 1031 } 1032 1033 status_t Parameters::buildQuirks() { 1034 camera_metadata_ro_entry_t entry; 1035 entry = info->find(ANDROID_QUIRKS_TRIGGER_AF_WITH_AUTO); 1036 quirks.triggerAfWithAuto = (entry.count != 0 && entry.data.u8[0] == 1); 1037 ALOGV_IF(quirks.triggerAfWithAuto, "Camera %d: Quirk triggerAfWithAuto enabled", 1038 cameraId); 1039 1040 entry = info->find(ANDROID_QUIRKS_USE_ZSL_FORMAT); 1041 quirks.useZslFormat = (entry.count != 0 && entry.data.u8[0] == 1); 1042 ALOGV_IF(quirks.useZslFormat, "Camera %d: Quirk useZslFormat enabled", 1043 cameraId); 1044 1045 entry = info->find(ANDROID_QUIRKS_METERING_CROP_REGION); 1046 quirks.meteringCropRegion = (entry.count != 0 && entry.data.u8[0] == 1); 1047 ALOGV_IF(quirks.meteringCropRegion, "Camera %d: Quirk meteringCropRegion" 1048 " enabled", cameraId); 1049 1050 return OK; 1051 } 1052 1053 camera_metadata_ro_entry_t Parameters::staticInfo(uint32_t tag, 1054 size_t minCount, size_t maxCount, bool required) const { 1055 camera_metadata_ro_entry_t entry = info->find(tag); 1056 1057 if (CC_UNLIKELY( entry.count == 0 ) && required) { 1058 const char* tagSection = get_camera_metadata_section_name(tag); 1059 if (tagSection == NULL) tagSection = "<unknown>"; 1060 const char* tagName = get_camera_metadata_tag_name(tag); 1061 if (tagName == NULL) tagName = "<unknown>"; 1062 1063 ALOGE("Error finding static metadata entry '%s.%s' (%x)", 1064 tagSection, tagName, tag); 1065 } else if (CC_UNLIKELY( 1066 (minCount != 0 && entry.count < minCount) || 1067 (maxCount != 0 && entry.count > maxCount) ) ) { 1068 const char* tagSection = get_camera_metadata_section_name(tag); 1069 if (tagSection == NULL) tagSection = "<unknown>"; 1070 const char* tagName = get_camera_metadata_tag_name(tag); 1071 if (tagName == NULL) tagName = "<unknown>"; 1072 ALOGE("Malformed static metadata entry '%s.%s' (%x):" 1073 "Expected between %d and %d values, but got %d values", 1074 tagSection, tagName, tag, minCount, maxCount, entry.count); 1075 } 1076 1077 return entry; 1078 } 1079 1080 status_t Parameters::set(const String8& paramString) { 1081 status_t res; 1082 1083 CameraParameters newParams(paramString); 1084 1085 // TODO: Currently ignoring any changes to supposedly read-only parameters 1086 // such as supported preview sizes, etc. Should probably produce an error if 1087 // they're changed. 1088 1089 /** Extract and verify new parameters */ 1090 1091 size_t i; 1092 1093 Parameters validatedParams(*this); 1094 1095 // PREVIEW_SIZE 1096 newParams.getPreviewSize(&validatedParams.previewWidth, 1097 &validatedParams.previewHeight); 1098 1099 if (validatedParams.previewWidth != previewWidth || 1100 validatedParams.previewHeight != previewHeight) { 1101 if (state >= PREVIEW) { 1102 ALOGE("%s: Preview size cannot be updated when preview " 1103 "is active! (Currently %d x %d, requested %d x %d", 1104 __FUNCTION__, 1105 previewWidth, previewHeight, 1106 validatedParams.previewWidth, validatedParams.previewHeight); 1107 return BAD_VALUE; 1108 } 1109 for (i = 0; i < availablePreviewSizes.size(); i++) { 1110 if ((availablePreviewSizes[i].width == 1111 validatedParams.previewWidth) && 1112 (availablePreviewSizes[i].height == 1113 validatedParams.previewHeight)) break; 1114 } 1115 if (i == availablePreviewSizes.size()) { 1116 ALOGE("%s: Requested preview size %d x %d is not supported", 1117 __FUNCTION__, validatedParams.previewWidth, 1118 validatedParams.previewHeight); 1119 return BAD_VALUE; 1120 } 1121 } 1122 1123 // RECORDING_HINT (always supported) 1124 validatedParams.recordingHint = boolFromString( 1125 newParams.get(CameraParameters::KEY_RECORDING_HINT) ); 1126 bool recordingHintChanged = validatedParams.recordingHint != recordingHint; 1127 ALOGV_IF(recordingHintChanged, "%s: Recording hint changed to %d", 1128 __FUNCTION__, recordingHintChanged); 1129 1130 // PREVIEW_FPS_RANGE 1131 bool fpsRangeChanged = false; 1132 newParams.getPreviewFpsRange(&validatedParams.previewFpsRange[0], 1133 &validatedParams.previewFpsRange[1]); 1134 validatedParams.previewFpsRange[0] /= kFpsToApiScale; 1135 validatedParams.previewFpsRange[1] /= kFpsToApiScale; 1136 1137 if (validatedParams.previewFpsRange[0] != previewFpsRange[0] || 1138 validatedParams.previewFpsRange[1] != previewFpsRange[1]) { 1139 fpsRangeChanged = true; 1140 camera_metadata_ro_entry_t availablePreviewFpsRanges = 1141 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 1142 for (i = 0; i < availablePreviewFpsRanges.count; i += 2) { 1143 if ((availablePreviewFpsRanges.data.i32[i] == 1144 validatedParams.previewFpsRange[0]) && 1145 (availablePreviewFpsRanges.data.i32[i+1] == 1146 validatedParams.previewFpsRange[1]) ) { 1147 break; 1148 } 1149 } 1150 if (i == availablePreviewFpsRanges.count) { 1151 ALOGE("%s: Requested preview FPS range %d - %d is not supported", 1152 __FUNCTION__, validatedParams.previewFpsRange[0], 1153 validatedParams.previewFpsRange[1]); 1154 return BAD_VALUE; 1155 } 1156 validatedParams.previewFps = 1157 fpsFromRange(validatedParams.previewFpsRange[0], 1158 validatedParams.previewFpsRange[1]); 1159 1160 // Update our last-seen single preview FPS, needed for disambiguating 1161 // when the application is intending to use the deprecated single-FPS 1162 // setting vs. the range FPS setting 1163 validatedParams.lastSetPreviewFps = newParams.getPreviewFrameRate(); 1164 1165 newParams.setPreviewFrameRate(validatedParams.previewFps); 1166 } 1167 1168 // PREVIEW_FORMAT 1169 validatedParams.previewFormat = 1170 formatStringToEnum(newParams.getPreviewFormat()); 1171 if (validatedParams.previewFormat != previewFormat) { 1172 if (state >= PREVIEW) { 1173 ALOGE("%s: Preview format cannot be updated when preview " 1174 "is active!", __FUNCTION__); 1175 return BAD_VALUE; 1176 } 1177 camera_metadata_ro_entry_t availableFormats = 1178 staticInfo(ANDROID_SCALER_AVAILABLE_FORMATS); 1179 // If using flexible YUV, always support NV21/YV12. Otherwise, check 1180 // HAL's list. 1181 if (! (fastInfo.useFlexibleYuv && 1182 (validatedParams.previewFormat == 1183 HAL_PIXEL_FORMAT_YCrCb_420_SP || 1184 validatedParams.previewFormat == 1185 HAL_PIXEL_FORMAT_YV12) ) ) { 1186 // Not using flexible YUV format, so check explicitly 1187 for (i = 0; i < availableFormats.count; i++) { 1188 if (availableFormats.data.i32[i] == 1189 validatedParams.previewFormat) break; 1190 } 1191 if (i == availableFormats.count) { 1192 ALOGE("%s: Requested preview format %s (0x%x) is not supported", 1193 __FUNCTION__, newParams.getPreviewFormat(), 1194 validatedParams.previewFormat); 1195 return BAD_VALUE; 1196 } 1197 } 1198 } 1199 1200 // PREVIEW_FRAME_RATE Deprecated, only use if the preview fps range is 1201 // unchanged this time. The single-value FPS is the same as the minimum of 1202 // the range. To detect whether the application has changed the value of 1203 // previewFps, compare against their last-set preview FPS instead of the 1204 // single FPS we may have synthesized from a range FPS set. 1205 if (!fpsRangeChanged) { 1206 validatedParams.previewFps = newParams.getPreviewFrameRate(); 1207 if (validatedParams.previewFps != lastSetPreviewFps || 1208 recordingHintChanged) { 1209 camera_metadata_ro_entry_t availableFrameRates = 1210 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES); 1211 /** 1212 * If recording hint is set, find the range that encompasses 1213 * previewFps with the largest min index. 1214 * 1215 * If recording hint is not set, find the range with previewFps 1216 * with the smallest min index. 1217 * 1218 * Either way, in case of multiple ranges, break the tie by 1219 * selecting the smaller range. 1220 */ 1221 int targetFps = validatedParams.previewFps; 1222 // all ranges which have targetFps 1223 Vector<Range> candidateRanges; 1224 for (i = 0; i < availableFrameRates.count; i+=2) { 1225 Range r = { 1226 availableFrameRates.data.i32[i], 1227 availableFrameRates.data.i32[i+1] 1228 }; 1229 1230 if (r.min <= targetFps && targetFps <= r.max) { 1231 candidateRanges.push(r); 1232 } 1233 } 1234 if (candidateRanges.isEmpty()) { 1235 ALOGE("%s: Requested preview frame rate %d is not supported", 1236 __FUNCTION__, validatedParams.previewFps); 1237 return BAD_VALUE; 1238 } 1239 // most applicable range with targetFps 1240 Range bestRange = candidateRanges[0]; 1241 for (i = 1; i < candidateRanges.size(); ++i) { 1242 Range r = candidateRanges[i]; 1243 1244 // Find by largest minIndex in recording mode 1245 if (validatedParams.recordingHint) { 1246 if (r.min > bestRange.min) { 1247 bestRange = r; 1248 } 1249 else if (r.min == bestRange.min && r.max < bestRange.max) { 1250 bestRange = r; 1251 } 1252 } 1253 // Find by smallest minIndex in preview mode 1254 else { 1255 if (r.min < bestRange.min) { 1256 bestRange = r; 1257 } 1258 else if (r.min == bestRange.min && r.max < bestRange.max) { 1259 bestRange = r; 1260 } 1261 } 1262 } 1263 1264 validatedParams.previewFpsRange[0] = 1265 bestRange.min; 1266 validatedParams.previewFpsRange[1] = 1267 bestRange.max; 1268 1269 ALOGV("%s: New preview FPS range: %d, %d, recordingHint = %d", 1270 __FUNCTION__, 1271 validatedParams.previewFpsRange[0], 1272 validatedParams.previewFpsRange[1], 1273 validatedParams.recordingHint); 1274 } 1275 newParams.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, 1276 String8::format("%d,%d", 1277 validatedParams.previewFpsRange[0] * kFpsToApiScale, 1278 validatedParams.previewFpsRange[1] * kFpsToApiScale)); 1279 // Update our last-seen single preview FPS, needed for disambiguating 1280 // when the application is intending to use the deprecated single-FPS 1281 // setting vs. the range FPS setting 1282 validatedParams.lastSetPreviewFps = validatedParams.previewFps; 1283 } 1284 1285 // PICTURE_SIZE 1286 newParams.getPictureSize(&validatedParams.pictureWidth, 1287 &validatedParams.pictureHeight); 1288 if (validatedParams.pictureWidth == pictureWidth || 1289 validatedParams.pictureHeight == pictureHeight) { 1290 camera_metadata_ro_entry_t availablePictureSizes = 1291 staticInfo(ANDROID_SCALER_AVAILABLE_JPEG_SIZES); 1292 for (i = 0; i < availablePictureSizes.count; i+=2) { 1293 if ((availablePictureSizes.data.i32[i] == 1294 validatedParams.pictureWidth) && 1295 (availablePictureSizes.data.i32[i+1] == 1296 validatedParams.pictureHeight)) break; 1297 } 1298 if (i == availablePictureSizes.count) { 1299 ALOGE("%s: Requested picture size %d x %d is not supported", 1300 __FUNCTION__, validatedParams.pictureWidth, 1301 validatedParams.pictureHeight); 1302 return BAD_VALUE; 1303 } 1304 } 1305 1306 // JPEG_THUMBNAIL_WIDTH/HEIGHT 1307 validatedParams.jpegThumbSize[0] = 1308 newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH); 1309 validatedParams.jpegThumbSize[1] = 1310 newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT); 1311 if (validatedParams.jpegThumbSize[0] != jpegThumbSize[0] || 1312 validatedParams.jpegThumbSize[1] != jpegThumbSize[1]) { 1313 camera_metadata_ro_entry_t availableJpegThumbSizes = 1314 staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES); 1315 for (i = 0; i < availableJpegThumbSizes.count; i+=2) { 1316 if ((availableJpegThumbSizes.data.i32[i] == 1317 validatedParams.jpegThumbSize[0]) && 1318 (availableJpegThumbSizes.data.i32[i+1] == 1319 validatedParams.jpegThumbSize[1])) break; 1320 } 1321 if (i == availableJpegThumbSizes.count) { 1322 ALOGE("%s: Requested JPEG thumbnail size %d x %d is not supported", 1323 __FUNCTION__, validatedParams.jpegThumbSize[0], 1324 validatedParams.jpegThumbSize[1]); 1325 return BAD_VALUE; 1326 } 1327 } 1328 1329 // JPEG_THUMBNAIL_QUALITY 1330 int quality = newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY); 1331 // also makes sure quality fits in uint8_t 1332 if (quality < 0 || quality > 100) { 1333 ALOGE("%s: Requested JPEG thumbnail quality %d is not supported", 1334 __FUNCTION__, quality); 1335 return BAD_VALUE; 1336 } 1337 validatedParams.jpegThumbQuality = quality; 1338 1339 // JPEG_QUALITY 1340 quality = newParams.getInt(CameraParameters::KEY_JPEG_QUALITY); 1341 // also makes sure quality fits in uint8_t 1342 if (quality < 0 || quality > 100) { 1343 ALOGE("%s: Requested JPEG quality %d is not supported", 1344 __FUNCTION__, quality); 1345 return BAD_VALUE; 1346 } 1347 validatedParams.jpegQuality = quality; 1348 1349 // ROTATION 1350 validatedParams.jpegRotation = 1351 newParams.getInt(CameraParameters::KEY_ROTATION); 1352 if (validatedParams.jpegRotation != 0 && 1353 validatedParams.jpegRotation != 90 && 1354 validatedParams.jpegRotation != 180 && 1355 validatedParams.jpegRotation != 270) { 1356 ALOGE("%s: Requested picture rotation angle %d is not supported", 1357 __FUNCTION__, validatedParams.jpegRotation); 1358 return BAD_VALUE; 1359 } 1360 1361 // GPS 1362 1363 const char *gpsLatStr = 1364 newParams.get(CameraParameters::KEY_GPS_LATITUDE); 1365 if (gpsLatStr != NULL) { 1366 const char *gpsLongStr = 1367 newParams.get(CameraParameters::KEY_GPS_LONGITUDE); 1368 const char *gpsAltitudeStr = 1369 newParams.get(CameraParameters::KEY_GPS_ALTITUDE); 1370 const char *gpsTimeStr = 1371 newParams.get(CameraParameters::KEY_GPS_TIMESTAMP); 1372 const char *gpsProcMethodStr = 1373 newParams.get(CameraParameters::KEY_GPS_PROCESSING_METHOD); 1374 if (gpsLongStr == NULL || 1375 gpsAltitudeStr == NULL || 1376 gpsTimeStr == NULL || 1377 gpsProcMethodStr == NULL) { 1378 ALOGE("%s: Incomplete set of GPS parameters provided", 1379 __FUNCTION__); 1380 return BAD_VALUE; 1381 } 1382 char *endPtr; 1383 errno = 0; 1384 validatedParams.gpsCoordinates[0] = strtod(gpsLatStr, &endPtr); 1385 if (errno || endPtr == gpsLatStr) { 1386 ALOGE("%s: Malformed GPS latitude: %s", __FUNCTION__, gpsLatStr); 1387 return BAD_VALUE; 1388 } 1389 errno = 0; 1390 validatedParams.gpsCoordinates[1] = strtod(gpsLongStr, &endPtr); 1391 if (errno || endPtr == gpsLongStr) { 1392 ALOGE("%s: Malformed GPS longitude: %s", __FUNCTION__, gpsLongStr); 1393 return BAD_VALUE; 1394 } 1395 errno = 0; 1396 validatedParams.gpsCoordinates[2] = strtod(gpsAltitudeStr, &endPtr); 1397 if (errno || endPtr == gpsAltitudeStr) { 1398 ALOGE("%s: Malformed GPS altitude: %s", __FUNCTION__, 1399 gpsAltitudeStr); 1400 return BAD_VALUE; 1401 } 1402 errno = 0; 1403 validatedParams.gpsTimestamp = strtoll(gpsTimeStr, &endPtr, 10); 1404 if (errno || endPtr == gpsTimeStr) { 1405 ALOGE("%s: Malformed GPS timestamp: %s", __FUNCTION__, gpsTimeStr); 1406 return BAD_VALUE; 1407 } 1408 validatedParams.gpsProcessingMethod = gpsProcMethodStr; 1409 1410 validatedParams.gpsEnabled = true; 1411 } else { 1412 validatedParams.gpsEnabled = false; 1413 } 1414 1415 // EFFECT 1416 validatedParams.effectMode = effectModeStringToEnum( 1417 newParams.get(CameraParameters::KEY_EFFECT) ); 1418 if (validatedParams.effectMode != effectMode) { 1419 camera_metadata_ro_entry_t availableEffectModes = 1420 staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS); 1421 for (i = 0; i < availableEffectModes.count; i++) { 1422 if (validatedParams.effectMode == availableEffectModes.data.u8[i]) break; 1423 } 1424 if (i == availableEffectModes.count) { 1425 ALOGE("%s: Requested effect mode \"%s\" is not supported", 1426 __FUNCTION__, 1427 newParams.get(CameraParameters::KEY_EFFECT) ); 1428 return BAD_VALUE; 1429 } 1430 } 1431 1432 // ANTIBANDING 1433 validatedParams.antibandingMode = abModeStringToEnum( 1434 newParams.get(CameraParameters::KEY_ANTIBANDING) ); 1435 if (validatedParams.antibandingMode != antibandingMode) { 1436 camera_metadata_ro_entry_t availableAbModes = 1437 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES); 1438 for (i = 0; i < availableAbModes.count; i++) { 1439 if (validatedParams.antibandingMode == availableAbModes.data.u8[i]) 1440 break; 1441 } 1442 if (i == availableAbModes.count) { 1443 ALOGE("%s: Requested antibanding mode \"%s\" is not supported", 1444 __FUNCTION__, 1445 newParams.get(CameraParameters::KEY_ANTIBANDING)); 1446 return BAD_VALUE; 1447 } 1448 } 1449 1450 // SCENE_MODE 1451 validatedParams.sceneMode = sceneModeStringToEnum( 1452 newParams.get(CameraParameters::KEY_SCENE_MODE) ); 1453 if (validatedParams.sceneMode != sceneMode && 1454 validatedParams.sceneMode != 1455 ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED) { 1456 camera_metadata_ro_entry_t availableSceneModes = 1457 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES); 1458 for (i = 0; i < availableSceneModes.count; i++) { 1459 if (validatedParams.sceneMode == availableSceneModes.data.u8[i]) 1460 break; 1461 } 1462 if (i == availableSceneModes.count) { 1463 ALOGE("%s: Requested scene mode \"%s\" is not supported", 1464 __FUNCTION__, 1465 newParams.get(CameraParameters::KEY_SCENE_MODE)); 1466 return BAD_VALUE; 1467 } 1468 } 1469 bool sceneModeSet = 1470 validatedParams.sceneMode != ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED; 1471 1472 // FLASH_MODE 1473 if (sceneModeSet) { 1474 validatedParams.flashMode = 1475 fastInfo.sceneModeOverrides. 1476 valueFor(validatedParams.sceneMode).flashMode; 1477 } else { 1478 validatedParams.flashMode = FLASH_MODE_INVALID; 1479 } 1480 if (validatedParams.flashMode == FLASH_MODE_INVALID) { 1481 validatedParams.flashMode = flashModeStringToEnum( 1482 newParams.get(CameraParameters::KEY_FLASH_MODE) ); 1483 } 1484 1485 if (validatedParams.flashMode != flashMode) { 1486 camera_metadata_ro_entry_t flashAvailable = 1487 staticInfo(ANDROID_FLASH_INFO_AVAILABLE, 1, 1); 1488 if (!flashAvailable.data.u8[0] && 1489 validatedParams.flashMode != Parameters::FLASH_MODE_OFF) { 1490 ALOGE("%s: Requested flash mode \"%s\" is not supported: " 1491 "No flash on device", __FUNCTION__, 1492 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1493 return BAD_VALUE; 1494 } else if (validatedParams.flashMode == Parameters::FLASH_MODE_RED_EYE) { 1495 camera_metadata_ro_entry_t availableAeModes = 1496 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES); 1497 for (i = 0; i < availableAeModes.count; i++) { 1498 if (validatedParams.flashMode == availableAeModes.data.u8[i]) 1499 break; 1500 } 1501 if (i == availableAeModes.count) { 1502 ALOGE("%s: Requested flash mode \"%s\" is not supported", 1503 __FUNCTION__, 1504 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1505 return BAD_VALUE; 1506 } 1507 } else if (validatedParams.flashMode == -1) { 1508 ALOGE("%s: Requested flash mode \"%s\" is unknown", 1509 __FUNCTION__, 1510 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1511 return BAD_VALUE; 1512 } 1513 // Update in case of override 1514 newParams.set(CameraParameters::KEY_FLASH_MODE, 1515 flashModeEnumToString(validatedParams.flashMode)); 1516 } 1517 1518 // WHITE_BALANCE 1519 if (sceneModeSet) { 1520 validatedParams.wbMode = 1521 fastInfo.sceneModeOverrides. 1522 valueFor(validatedParams.sceneMode).wbMode; 1523 } else { 1524 validatedParams.wbMode = ANDROID_CONTROL_AWB_MODE_OFF; 1525 } 1526 if (validatedParams.wbMode == ANDROID_CONTROL_AWB_MODE_OFF) { 1527 validatedParams.wbMode = wbModeStringToEnum( 1528 newParams.get(CameraParameters::KEY_WHITE_BALANCE) ); 1529 } 1530 if (validatedParams.wbMode != wbMode) { 1531 camera_metadata_ro_entry_t availableWbModes = 1532 staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 0, 0, false); 1533 for (i = 0; i < availableWbModes.count; i++) { 1534 if (validatedParams.wbMode == availableWbModes.data.u8[i]) break; 1535 } 1536 if (i == availableWbModes.count) { 1537 ALOGE("%s: Requested white balance mode %s is not supported", 1538 __FUNCTION__, 1539 newParams.get(CameraParameters::KEY_WHITE_BALANCE)); 1540 return BAD_VALUE; 1541 } 1542 // Update in case of override 1543 newParams.set(CameraParameters::KEY_WHITE_BALANCE, 1544 wbModeEnumToString(validatedParams.wbMode)); 1545 } 1546 1547 // FOCUS_MODE 1548 if (sceneModeSet) { 1549 validatedParams.focusMode = 1550 fastInfo.sceneModeOverrides. 1551 valueFor(validatedParams.sceneMode).focusMode; 1552 } else { 1553 validatedParams.focusMode = FOCUS_MODE_INVALID; 1554 } 1555 if (validatedParams.focusMode == FOCUS_MODE_INVALID) { 1556 validatedParams.focusMode = focusModeStringToEnum( 1557 newParams.get(CameraParameters::KEY_FOCUS_MODE) ); 1558 } 1559 if (validatedParams.focusMode != focusMode) { 1560 validatedParams.currentAfTriggerId = -1; 1561 if (validatedParams.focusMode != Parameters::FOCUS_MODE_FIXED) { 1562 camera_metadata_ro_entry_t minFocusDistance = 1563 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 0, 1564 false); 1565 if (minFocusDistance.count && minFocusDistance.data.f[0] == 0) { 1566 ALOGE("%s: Requested focus mode \"%s\" is not available: " 1567 "fixed focus lens", 1568 __FUNCTION__, 1569 newParams.get(CameraParameters::KEY_FOCUS_MODE)); 1570 return BAD_VALUE; 1571 } else if (validatedParams.focusMode != 1572 Parameters::FOCUS_MODE_INFINITY) { 1573 camera_metadata_ro_entry_t availableFocusModes = 1574 staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES); 1575 for (i = 0; i < availableFocusModes.count; i++) { 1576 if (validatedParams.focusMode == 1577 availableFocusModes.data.u8[i]) break; 1578 } 1579 if (i == availableFocusModes.count) { 1580 ALOGE("%s: Requested focus mode \"%s\" is not supported", 1581 __FUNCTION__, 1582 newParams.get(CameraParameters::KEY_FOCUS_MODE)); 1583 return BAD_VALUE; 1584 } 1585 } 1586 } 1587 validatedParams.focusState = ANDROID_CONTROL_AF_STATE_INACTIVE; 1588 // Always reset shadow focus mode to avoid reverting settings 1589 validatedParams.shadowFocusMode = FOCUS_MODE_INVALID; 1590 // Update in case of override 1591 newParams.set(CameraParameters::KEY_FOCUS_MODE, 1592 focusModeEnumToString(validatedParams.focusMode)); 1593 } else { 1594 validatedParams.currentAfTriggerId = currentAfTriggerId; 1595 } 1596 1597 // FOCUS_AREAS 1598 res = parseAreas(newParams.get(CameraParameters::KEY_FOCUS_AREAS), 1599 &validatedParams.focusingAreas); 1600 size_t max3aRegions = 1601 (size_t)staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1, 1).data.i32[0]; 1602 if (res == OK) res = validateAreas(validatedParams.focusingAreas, 1603 max3aRegions, AREA_KIND_FOCUS); 1604 if (res != OK) { 1605 ALOGE("%s: Requested focus areas are malformed: %s", 1606 __FUNCTION__, newParams.get(CameraParameters::KEY_FOCUS_AREAS)); 1607 return BAD_VALUE; 1608 } 1609 1610 // EXPOSURE_COMPENSATION 1611 validatedParams.exposureCompensation = 1612 newParams.getInt(CameraParameters::KEY_EXPOSURE_COMPENSATION); 1613 camera_metadata_ro_entry_t exposureCompensationRange = 1614 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_RANGE); 1615 if ((validatedParams.exposureCompensation < 1616 exposureCompensationRange.data.i32[0]) || 1617 (validatedParams.exposureCompensation > 1618 exposureCompensationRange.data.i32[1])) { 1619 ALOGE("%s: Requested exposure compensation index is out of bounds: %d", 1620 __FUNCTION__, validatedParams.exposureCompensation); 1621 return BAD_VALUE; 1622 } 1623 1624 // AUTO_EXPOSURE_LOCK (always supported) 1625 validatedParams.autoExposureLock = boolFromString( 1626 newParams.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK)); 1627 1628 // AUTO_WHITEBALANCE_LOCK (always supported) 1629 validatedParams.autoWhiteBalanceLock = boolFromString( 1630 newParams.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK)); 1631 1632 // METERING_AREAS 1633 res = parseAreas(newParams.get(CameraParameters::KEY_METERING_AREAS), 1634 &validatedParams.meteringAreas); 1635 if (res == OK) { 1636 res = validateAreas(validatedParams.meteringAreas, max3aRegions, 1637 AREA_KIND_METERING); 1638 } 1639 if (res != OK) { 1640 ALOGE("%s: Requested metering areas are malformed: %s", 1641 __FUNCTION__, 1642 newParams.get(CameraParameters::KEY_METERING_AREAS)); 1643 return BAD_VALUE; 1644 } 1645 1646 // ZOOM 1647 validatedParams.zoom = newParams.getInt(CameraParameters::KEY_ZOOM); 1648 if (validatedParams.zoom < 0 1649 || validatedParams.zoom >= (int)NUM_ZOOM_STEPS) { 1650 ALOGE("%s: Requested zoom level %d is not supported", 1651 __FUNCTION__, validatedParams.zoom); 1652 return BAD_VALUE; 1653 } 1654 1655 // VIDEO_SIZE 1656 newParams.getVideoSize(&validatedParams.videoWidth, 1657 &validatedParams.videoHeight); 1658 if (validatedParams.videoWidth != videoWidth || 1659 validatedParams.videoHeight != videoHeight) { 1660 if (state == RECORD) { 1661 ALOGE("%s: Video size cannot be updated when recording is active!", 1662 __FUNCTION__); 1663 return BAD_VALUE; 1664 } 1665 for (i = 0; i < availablePreviewSizes.size(); i++) { 1666 if ((availablePreviewSizes[i].width == 1667 validatedParams.videoWidth) && 1668 (availablePreviewSizes[i].height == 1669 validatedParams.videoHeight)) break; 1670 } 1671 if (i == availablePreviewSizes.size()) { 1672 ALOGE("%s: Requested video size %d x %d is not supported", 1673 __FUNCTION__, validatedParams.videoWidth, 1674 validatedParams.videoHeight); 1675 return BAD_VALUE; 1676 } 1677 } 1678 1679 // VIDEO_STABILIZATION 1680 validatedParams.videoStabilization = boolFromString( 1681 newParams.get(CameraParameters::KEY_VIDEO_STABILIZATION) ); 1682 camera_metadata_ro_entry_t availableVideoStabilizationModes = 1683 staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 0, 0, 1684 false); 1685 if (validatedParams.videoStabilization && 1686 availableVideoStabilizationModes.count == 1) { 1687 ALOGE("%s: Video stabilization not supported", __FUNCTION__); 1688 } 1689 1690 // LIGHTFX 1691 validatedParams.lightFx = lightFxStringToEnum( 1692 newParams.get(CameraParameters::KEY_LIGHTFX)); 1693 1694 /** Update internal parameters */ 1695 1696 *this = validatedParams; 1697 1698 /** Update external parameters calculated from the internal ones */ 1699 1700 // HORIZONTAL/VERTICAL FIELD OF VIEW 1701 float horizFov, vertFov; 1702 res = calculatePictureFovs(&horizFov, &vertFov); 1703 if (res != OK) { 1704 ALOGE("%s: Can't calculate FOVs", __FUNCTION__); 1705 // continue so parameters are at least consistent 1706 } 1707 newParams.setFloat(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, 1708 horizFov); 1709 newParams.setFloat(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, 1710 vertFov); 1711 ALOGV("Current still picture FOV: %f x %f deg", horizFov, vertFov); 1712 1713 // Need to flatten again in case of overrides 1714 paramsFlattened = newParams.flatten(); 1715 params = newParams; 1716 1717 return OK; 1718 } 1719 1720 status_t Parameters::updateRequest(CameraMetadata *request) const { 1721 ATRACE_CALL(); 1722 status_t res; 1723 1724 /** 1725 * Mixin default important security values 1726 * - android.led.transmit = defaulted ON 1727 */ 1728 camera_metadata_ro_entry_t entry = staticInfo(ANDROID_LED_AVAILABLE_LEDS, 1729 /*minimumCount*/0, 1730 /*maximumCount*/0, 1731 /*required*/false); 1732 for(size_t i = 0; i < entry.count; ++i) { 1733 uint8_t led = entry.data.u8[i]; 1734 1735 switch(led) { 1736 // Transmit LED is unconditionally on when using 1737 // the android.hardware.Camera API 1738 case ANDROID_LED_AVAILABLE_LEDS_TRANSMIT: { 1739 uint8_t transmitDefault = ANDROID_LED_TRANSMIT_ON; 1740 res = request->update(ANDROID_LED_TRANSMIT, 1741 &transmitDefault, 1); 1742 if (res != OK) return res; 1743 break; 1744 } 1745 } 1746 } 1747 1748 /** 1749 * Construct metadata from parameters 1750 */ 1751 1752 uint8_t metadataMode = ANDROID_REQUEST_METADATA_MODE_FULL; 1753 res = request->update(ANDROID_REQUEST_METADATA_MODE, 1754 &metadataMode, 1); 1755 if (res != OK) return res; 1756 1757 camera_metadata_entry_t intent = 1758 request->find(ANDROID_CONTROL_CAPTURE_INTENT); 1759 if (intent.data.u8[0] == ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE) { 1760 res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, 1761 fastInfo.bestStillCaptureFpsRange, 2); 1762 } else { 1763 res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, 1764 previewFpsRange, 2); 1765 } 1766 if (res != OK) return res; 1767 1768 uint8_t reqWbLock = autoWhiteBalanceLock ? 1769 ANDROID_CONTROL_AWB_LOCK_ON : ANDROID_CONTROL_AWB_LOCK_OFF; 1770 res = request->update(ANDROID_CONTROL_AWB_LOCK, 1771 &reqWbLock, 1); 1772 1773 res = request->update(ANDROID_CONTROL_EFFECT_MODE, 1774 &effectMode, 1); 1775 if (res != OK) return res; 1776 res = request->update(ANDROID_CONTROL_AE_ANTIBANDING_MODE, 1777 &antibandingMode, 1); 1778 if (res != OK) return res; 1779 1780 // android.hardware.Camera requires that when face detect is enabled, the 1781 // camera is in a face-priority mode. HAL2 splits this into separate parts 1782 // (face detection statistics and face priority scene mode). Map from other 1783 // to the other. 1784 bool sceneModeActive = 1785 sceneMode != (uint8_t)ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED; 1786 uint8_t reqControlMode = ANDROID_CONTROL_MODE_AUTO; 1787 if (enableFaceDetect || sceneModeActive) { 1788 reqControlMode = ANDROID_CONTROL_MODE_USE_SCENE_MODE; 1789 } 1790 res = request->update(ANDROID_CONTROL_MODE, 1791 &reqControlMode, 1); 1792 if (res != OK) return res; 1793 1794 uint8_t reqSceneMode = 1795 sceneModeActive ? sceneMode : 1796 enableFaceDetect ? (uint8_t)ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY : 1797 (uint8_t)ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED; 1798 res = request->update(ANDROID_CONTROL_SCENE_MODE, 1799 &reqSceneMode, 1); 1800 if (res != OK) return res; 1801 1802 uint8_t reqFlashMode = ANDROID_FLASH_MODE_OFF; 1803 uint8_t reqAeMode = ANDROID_CONTROL_AE_MODE_OFF; 1804 switch (flashMode) { 1805 case Parameters::FLASH_MODE_OFF: 1806 reqAeMode = ANDROID_CONTROL_AE_MODE_ON; break; 1807 case Parameters::FLASH_MODE_AUTO: 1808 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH; break; 1809 case Parameters::FLASH_MODE_ON: 1810 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH; break; 1811 case Parameters::FLASH_MODE_TORCH: 1812 reqAeMode = ANDROID_CONTROL_AE_MODE_ON; 1813 reqFlashMode = ANDROID_FLASH_MODE_TORCH; 1814 break; 1815 case Parameters::FLASH_MODE_RED_EYE: 1816 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE; break; 1817 default: 1818 ALOGE("%s: Camera %d: Unknown flash mode %d", __FUNCTION__, 1819 cameraId, flashMode); 1820 return BAD_VALUE; 1821 } 1822 res = request->update(ANDROID_FLASH_MODE, 1823 &reqFlashMode, 1); 1824 if (res != OK) return res; 1825 res = request->update(ANDROID_CONTROL_AE_MODE, 1826 &reqAeMode, 1); 1827 if (res != OK) return res; 1828 1829 uint8_t reqAeLock = autoExposureLock ? 1830 ANDROID_CONTROL_AE_LOCK_ON : ANDROID_CONTROL_AE_LOCK_OFF; 1831 res = request->update(ANDROID_CONTROL_AE_LOCK, 1832 &reqAeLock, 1); 1833 if (res != OK) return res; 1834 1835 res = request->update(ANDROID_CONTROL_AWB_MODE, 1836 &wbMode, 1); 1837 if (res != OK) return res; 1838 1839 float reqFocusDistance = 0; // infinity focus in diopters 1840 uint8_t reqFocusMode = ANDROID_CONTROL_AF_MODE_OFF; 1841 switch (focusMode) { 1842 case Parameters::FOCUS_MODE_AUTO: 1843 case Parameters::FOCUS_MODE_MACRO: 1844 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 1845 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 1846 case Parameters::FOCUS_MODE_EDOF: 1847 reqFocusMode = focusMode; 1848 break; 1849 case Parameters::FOCUS_MODE_INFINITY: 1850 case Parameters::FOCUS_MODE_FIXED: 1851 reqFocusMode = ANDROID_CONTROL_AF_MODE_OFF; 1852 break; 1853 default: 1854 ALOGE("%s: Camera %d: Unknown focus mode %d", __FUNCTION__, 1855 cameraId, focusMode); 1856 return BAD_VALUE; 1857 } 1858 res = request->update(ANDROID_LENS_FOCUS_DISTANCE, 1859 &reqFocusDistance, 1); 1860 if (res != OK) return res; 1861 res = request->update(ANDROID_CONTROL_AF_MODE, 1862 &reqFocusMode, 1); 1863 if (res != OK) return res; 1864 1865 size_t reqFocusingAreasSize = focusingAreas.size() * 5; 1866 int32_t *reqFocusingAreas = new int32_t[reqFocusingAreasSize]; 1867 for (size_t i = 0; i < reqFocusingAreasSize; i += 5) { 1868 if (focusingAreas[i].weight != 0) { 1869 reqFocusingAreas[i + 0] = 1870 normalizedXToArray(focusingAreas[i].left); 1871 reqFocusingAreas[i + 1] = 1872 normalizedYToArray(focusingAreas[i].top); 1873 reqFocusingAreas[i + 2] = 1874 normalizedXToArray(focusingAreas[i].right); 1875 reqFocusingAreas[i + 3] = 1876 normalizedYToArray(focusingAreas[i].bottom); 1877 } else { 1878 reqFocusingAreas[i + 0] = 0; 1879 reqFocusingAreas[i + 1] = 0; 1880 reqFocusingAreas[i + 2] = 0; 1881 reqFocusingAreas[i + 3] = 0; 1882 } 1883 reqFocusingAreas[i + 4] = focusingAreas[i].weight; 1884 } 1885 res = request->update(ANDROID_CONTROL_AF_REGIONS, 1886 reqFocusingAreas, reqFocusingAreasSize); 1887 if (res != OK) return res; 1888 delete[] reqFocusingAreas; 1889 1890 res = request->update(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, 1891 &exposureCompensation, 1); 1892 if (res != OK) return res; 1893 1894 size_t reqMeteringAreasSize = meteringAreas.size() * 5; 1895 int32_t *reqMeteringAreas = new int32_t[reqMeteringAreasSize]; 1896 for (size_t i = 0; i < reqMeteringAreasSize; i += 5) { 1897 if (meteringAreas[i].weight != 0) { 1898 reqMeteringAreas[i + 0] = 1899 normalizedXToArray(meteringAreas[i].left); 1900 reqMeteringAreas[i + 1] = 1901 normalizedYToArray(meteringAreas[i].top); 1902 reqMeteringAreas[i + 2] = 1903 normalizedXToArray(meteringAreas[i].right); 1904 reqMeteringAreas[i + 3] = 1905 normalizedYToArray(meteringAreas[i].bottom); 1906 } else { 1907 reqMeteringAreas[i + 0] = 0; 1908 reqMeteringAreas[i + 1] = 0; 1909 reqMeteringAreas[i + 2] = 0; 1910 reqMeteringAreas[i + 3] = 0; 1911 } 1912 reqMeteringAreas[i + 4] = meteringAreas[i].weight; 1913 } 1914 res = request->update(ANDROID_CONTROL_AE_REGIONS, 1915 reqMeteringAreas, reqMeteringAreasSize); 1916 if (res != OK) return res; 1917 1918 delete[] reqMeteringAreas; 1919 1920 /* don't include jpeg thumbnail size - it's valid for 1921 it to be set to (0,0), meaning 'no thumbnail' */ 1922 CropRegion crop = calculateCropRegion( (CropRegion::Outputs)( 1923 CropRegion::OUTPUT_PREVIEW | 1924 CropRegion::OUTPUT_VIDEO | 1925 CropRegion::OUTPUT_PICTURE )); 1926 int32_t reqCropRegion[4] = { 1927 static_cast<int32_t>(crop.left), 1928 static_cast<int32_t>(crop.top), 1929 static_cast<int32_t>(crop.width), 1930 static_cast<int32_t>(crop.height) 1931 }; 1932 res = request->update(ANDROID_SCALER_CROP_REGION, 1933 reqCropRegion, 4); 1934 if (res != OK) return res; 1935 1936 uint8_t reqVstabMode = videoStabilization ? 1937 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_ON : 1938 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF; 1939 res = request->update(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, 1940 &reqVstabMode, 1); 1941 if (res != OK) return res; 1942 1943 uint8_t reqFaceDetectMode = enableFaceDetect ? 1944 fastInfo.bestFaceDetectMode : 1945 (uint8_t)ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 1946 res = request->update(ANDROID_STATISTICS_FACE_DETECT_MODE, 1947 &reqFaceDetectMode, 1); 1948 if (res != OK) return res; 1949 1950 return OK; 1951 } 1952 1953 status_t Parameters::updateRequestJpeg(CameraMetadata *request) const { 1954 status_t res; 1955 1956 res = request->update(ANDROID_JPEG_THUMBNAIL_SIZE, 1957 jpegThumbSize, 2); 1958 if (res != OK) return res; 1959 res = request->update(ANDROID_JPEG_THUMBNAIL_QUALITY, 1960 &jpegThumbQuality, 1); 1961 if (res != OK) return res; 1962 res = request->update(ANDROID_JPEG_QUALITY, 1963 &jpegQuality, 1); 1964 if (res != OK) return res; 1965 res = request->update( 1966 ANDROID_JPEG_ORIENTATION, 1967 &jpegRotation, 1); 1968 if (res != OK) return res; 1969 1970 if (gpsEnabled) { 1971 res = request->update( 1972 ANDROID_JPEG_GPS_COORDINATES, 1973 gpsCoordinates, 3); 1974 if (res != OK) return res; 1975 res = request->update( 1976 ANDROID_JPEG_GPS_TIMESTAMP, 1977 &gpsTimestamp, 1); 1978 if (res != OK) return res; 1979 res = request->update( 1980 ANDROID_JPEG_GPS_PROCESSING_METHOD, 1981 gpsProcessingMethod); 1982 if (res != OK) return res; 1983 } else { 1984 res = request->erase(ANDROID_JPEG_GPS_COORDINATES); 1985 if (res != OK) return res; 1986 res = request->erase(ANDROID_JPEG_GPS_TIMESTAMP); 1987 if (res != OK) return res; 1988 res = request->erase(ANDROID_JPEG_GPS_PROCESSING_METHOD); 1989 if (res != OK) return res; 1990 } 1991 return OK; 1992 } 1993 1994 1995 const char* Parameters::getStateName(State state) { 1996 #define CASE_ENUM_TO_CHAR(x) case x: return(#x); break; 1997 switch(state) { 1998 CASE_ENUM_TO_CHAR(DISCONNECTED) 1999 CASE_ENUM_TO_CHAR(STOPPED) 2000 CASE_ENUM_TO_CHAR(WAITING_FOR_PREVIEW_WINDOW) 2001 CASE_ENUM_TO_CHAR(PREVIEW) 2002 CASE_ENUM_TO_CHAR(RECORD) 2003 CASE_ENUM_TO_CHAR(STILL_CAPTURE) 2004 CASE_ENUM_TO_CHAR(VIDEO_SNAPSHOT) 2005 default: 2006 return "Unknown state!"; 2007 break; 2008 } 2009 #undef CASE_ENUM_TO_CHAR 2010 } 2011 2012 int Parameters::formatStringToEnum(const char *format) { 2013 return 2014 !format ? 2015 HAL_PIXEL_FORMAT_YCrCb_420_SP : 2016 !strcmp(format, CameraParameters::PIXEL_FORMAT_YUV422SP) ? 2017 HAL_PIXEL_FORMAT_YCbCr_422_SP : // NV16 2018 !strcmp(format, CameraParameters::PIXEL_FORMAT_YUV420SP) ? 2019 HAL_PIXEL_FORMAT_YCrCb_420_SP : // NV21 2020 !strcmp(format, CameraParameters::PIXEL_FORMAT_YUV422I) ? 2021 HAL_PIXEL_FORMAT_YCbCr_422_I : // YUY2 2022 !strcmp(format, CameraParameters::PIXEL_FORMAT_YUV420P) ? 2023 HAL_PIXEL_FORMAT_YV12 : // YV12 2024 !strcmp(format, CameraParameters::PIXEL_FORMAT_RGB565) ? 2025 HAL_PIXEL_FORMAT_RGB_565 : // RGB565 2026 !strcmp(format, CameraParameters::PIXEL_FORMAT_RGBA8888) ? 2027 HAL_PIXEL_FORMAT_RGBA_8888 : // RGB8888 2028 !strcmp(format, CameraParameters::PIXEL_FORMAT_BAYER_RGGB) ? 2029 HAL_PIXEL_FORMAT_RAW_SENSOR : // Raw sensor data 2030 -1; 2031 } 2032 2033 const char* Parameters::formatEnumToString(int format) { 2034 const char *fmt; 2035 switch(format) { 2036 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 2037 fmt = CameraParameters::PIXEL_FORMAT_YUV422SP; 2038 break; 2039 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 2040 fmt = CameraParameters::PIXEL_FORMAT_YUV420SP; 2041 break; 2042 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 2043 fmt = CameraParameters::PIXEL_FORMAT_YUV422I; 2044 break; 2045 case HAL_PIXEL_FORMAT_YV12: // YV12 2046 fmt = CameraParameters::PIXEL_FORMAT_YUV420P; 2047 break; 2048 case HAL_PIXEL_FORMAT_RGB_565: // RGB565 2049 fmt = CameraParameters::PIXEL_FORMAT_RGB565; 2050 break; 2051 case HAL_PIXEL_FORMAT_RGBA_8888: // RGBA8888 2052 fmt = CameraParameters::PIXEL_FORMAT_RGBA8888; 2053 break; 2054 case HAL_PIXEL_FORMAT_RAW_SENSOR: 2055 ALOGW("Raw sensor preview format requested."); 2056 fmt = CameraParameters::PIXEL_FORMAT_BAYER_RGGB; 2057 break; 2058 default: 2059 ALOGE("%s: Unknown preview format: %x", 2060 __FUNCTION__, format); 2061 fmt = NULL; 2062 break; 2063 } 2064 return fmt; 2065 } 2066 2067 int Parameters::wbModeStringToEnum(const char *wbMode) { 2068 return 2069 !wbMode ? 2070 ANDROID_CONTROL_AWB_MODE_AUTO : 2071 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_AUTO) ? 2072 ANDROID_CONTROL_AWB_MODE_AUTO : 2073 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_INCANDESCENT) ? 2074 ANDROID_CONTROL_AWB_MODE_INCANDESCENT : 2075 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_FLUORESCENT) ? 2076 ANDROID_CONTROL_AWB_MODE_FLUORESCENT : 2077 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT) ? 2078 ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT : 2079 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_DAYLIGHT) ? 2080 ANDROID_CONTROL_AWB_MODE_DAYLIGHT : 2081 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT) ? 2082 ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT : 2083 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_TWILIGHT) ? 2084 ANDROID_CONTROL_AWB_MODE_TWILIGHT : 2085 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_SHADE) ? 2086 ANDROID_CONTROL_AWB_MODE_SHADE : 2087 -1; 2088 } 2089 2090 const char* Parameters::wbModeEnumToString(uint8_t wbMode) { 2091 switch (wbMode) { 2092 case ANDROID_CONTROL_AWB_MODE_AUTO: 2093 return CameraParameters::WHITE_BALANCE_AUTO; 2094 case ANDROID_CONTROL_AWB_MODE_INCANDESCENT: 2095 return CameraParameters::WHITE_BALANCE_INCANDESCENT; 2096 case ANDROID_CONTROL_AWB_MODE_FLUORESCENT: 2097 return CameraParameters::WHITE_BALANCE_FLUORESCENT; 2098 case ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT: 2099 return CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT; 2100 case ANDROID_CONTROL_AWB_MODE_DAYLIGHT: 2101 return CameraParameters::WHITE_BALANCE_DAYLIGHT; 2102 case ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT: 2103 return CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT; 2104 case ANDROID_CONTROL_AWB_MODE_TWILIGHT: 2105 return CameraParameters::WHITE_BALANCE_TWILIGHT; 2106 case ANDROID_CONTROL_AWB_MODE_SHADE: 2107 return CameraParameters::WHITE_BALANCE_SHADE; 2108 default: 2109 ALOGE("%s: Unknown AWB mode enum: %d", 2110 __FUNCTION__, wbMode); 2111 return "unknown"; 2112 } 2113 } 2114 2115 int Parameters::effectModeStringToEnum(const char *effectMode) { 2116 return 2117 !effectMode ? 2118 ANDROID_CONTROL_EFFECT_MODE_OFF : 2119 !strcmp(effectMode, CameraParameters::EFFECT_NONE) ? 2120 ANDROID_CONTROL_EFFECT_MODE_OFF : 2121 !strcmp(effectMode, CameraParameters::EFFECT_MONO) ? 2122 ANDROID_CONTROL_EFFECT_MODE_MONO : 2123 !strcmp(effectMode, CameraParameters::EFFECT_NEGATIVE) ? 2124 ANDROID_CONTROL_EFFECT_MODE_NEGATIVE : 2125 !strcmp(effectMode, CameraParameters::EFFECT_SOLARIZE) ? 2126 ANDROID_CONTROL_EFFECT_MODE_SOLARIZE : 2127 !strcmp(effectMode, CameraParameters::EFFECT_SEPIA) ? 2128 ANDROID_CONTROL_EFFECT_MODE_SEPIA : 2129 !strcmp(effectMode, CameraParameters::EFFECT_POSTERIZE) ? 2130 ANDROID_CONTROL_EFFECT_MODE_POSTERIZE : 2131 !strcmp(effectMode, CameraParameters::EFFECT_WHITEBOARD) ? 2132 ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD : 2133 !strcmp(effectMode, CameraParameters::EFFECT_BLACKBOARD) ? 2134 ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD : 2135 !strcmp(effectMode, CameraParameters::EFFECT_AQUA) ? 2136 ANDROID_CONTROL_EFFECT_MODE_AQUA : 2137 -1; 2138 } 2139 2140 int Parameters::abModeStringToEnum(const char *abMode) { 2141 return 2142 !abMode ? 2143 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO : 2144 !strcmp(abMode, CameraParameters::ANTIBANDING_AUTO) ? 2145 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO : 2146 !strcmp(abMode, CameraParameters::ANTIBANDING_OFF) ? 2147 ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF : 2148 !strcmp(abMode, CameraParameters::ANTIBANDING_50HZ) ? 2149 ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ : 2150 !strcmp(abMode, CameraParameters::ANTIBANDING_60HZ) ? 2151 ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ : 2152 -1; 2153 } 2154 2155 int Parameters::sceneModeStringToEnum(const char *sceneMode) { 2156 return 2157 !sceneMode ? 2158 ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED : 2159 !strcmp(sceneMode, CameraParameters::SCENE_MODE_AUTO) ? 2160 ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED : 2161 !strcmp(sceneMode, CameraParameters::SCENE_MODE_ACTION) ? 2162 ANDROID_CONTROL_SCENE_MODE_ACTION : 2163 !strcmp(sceneMode, CameraParameters::SCENE_MODE_PORTRAIT) ? 2164 ANDROID_CONTROL_SCENE_MODE_PORTRAIT : 2165 !strcmp(sceneMode, CameraParameters::SCENE_MODE_LANDSCAPE) ? 2166 ANDROID_CONTROL_SCENE_MODE_LANDSCAPE : 2167 !strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT) ? 2168 ANDROID_CONTROL_SCENE_MODE_NIGHT : 2169 !strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT_PORTRAIT) ? 2170 ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT : 2171 !strcmp(sceneMode, CameraParameters::SCENE_MODE_THEATRE) ? 2172 ANDROID_CONTROL_SCENE_MODE_THEATRE : 2173 !strcmp(sceneMode, CameraParameters::SCENE_MODE_BEACH) ? 2174 ANDROID_CONTROL_SCENE_MODE_BEACH : 2175 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SNOW) ? 2176 ANDROID_CONTROL_SCENE_MODE_SNOW : 2177 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SUNSET) ? 2178 ANDROID_CONTROL_SCENE_MODE_SUNSET : 2179 !strcmp(sceneMode, CameraParameters::SCENE_MODE_STEADYPHOTO) ? 2180 ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO : 2181 !strcmp(sceneMode, CameraParameters::SCENE_MODE_FIREWORKS) ? 2182 ANDROID_CONTROL_SCENE_MODE_FIREWORKS : 2183 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SPORTS) ? 2184 ANDROID_CONTROL_SCENE_MODE_SPORTS : 2185 !strcmp(sceneMode, CameraParameters::SCENE_MODE_PARTY) ? 2186 ANDROID_CONTROL_SCENE_MODE_PARTY : 2187 !strcmp(sceneMode, CameraParameters::SCENE_MODE_CANDLELIGHT) ? 2188 ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT : 2189 !strcmp(sceneMode, CameraParameters::SCENE_MODE_BARCODE) ? 2190 ANDROID_CONTROL_SCENE_MODE_BARCODE: 2191 -1; 2192 } 2193 2194 Parameters::Parameters::flashMode_t Parameters::flashModeStringToEnum( 2195 const char *flashMode) { 2196 return 2197 !flashMode ? 2198 Parameters::FLASH_MODE_INVALID : 2199 !strcmp(flashMode, CameraParameters::FLASH_MODE_OFF) ? 2200 Parameters::FLASH_MODE_OFF : 2201 !strcmp(flashMode, CameraParameters::FLASH_MODE_AUTO) ? 2202 Parameters::FLASH_MODE_AUTO : 2203 !strcmp(flashMode, CameraParameters::FLASH_MODE_ON) ? 2204 Parameters::FLASH_MODE_ON : 2205 !strcmp(flashMode, CameraParameters::FLASH_MODE_RED_EYE) ? 2206 Parameters::FLASH_MODE_RED_EYE : 2207 !strcmp(flashMode, CameraParameters::FLASH_MODE_TORCH) ? 2208 Parameters::FLASH_MODE_TORCH : 2209 Parameters::FLASH_MODE_INVALID; 2210 } 2211 2212 const char *Parameters::flashModeEnumToString(flashMode_t flashMode) { 2213 switch (flashMode) { 2214 case FLASH_MODE_OFF: 2215 return CameraParameters::FLASH_MODE_OFF; 2216 case FLASH_MODE_AUTO: 2217 return CameraParameters::FLASH_MODE_AUTO; 2218 case FLASH_MODE_ON: 2219 return CameraParameters::FLASH_MODE_ON; 2220 case FLASH_MODE_RED_EYE: 2221 return CameraParameters::FLASH_MODE_RED_EYE; 2222 case FLASH_MODE_TORCH: 2223 return CameraParameters::FLASH_MODE_TORCH; 2224 default: 2225 ALOGE("%s: Unknown flash mode enum %d", 2226 __FUNCTION__, flashMode); 2227 return "unknown"; 2228 } 2229 } 2230 2231 Parameters::Parameters::focusMode_t Parameters::focusModeStringToEnum( 2232 const char *focusMode) { 2233 return 2234 !focusMode ? 2235 Parameters::FOCUS_MODE_INVALID : 2236 !strcmp(focusMode, CameraParameters::FOCUS_MODE_AUTO) ? 2237 Parameters::FOCUS_MODE_AUTO : 2238 !strcmp(focusMode, CameraParameters::FOCUS_MODE_INFINITY) ? 2239 Parameters::FOCUS_MODE_INFINITY : 2240 !strcmp(focusMode, CameraParameters::FOCUS_MODE_MACRO) ? 2241 Parameters::FOCUS_MODE_MACRO : 2242 !strcmp(focusMode, CameraParameters::FOCUS_MODE_FIXED) ? 2243 Parameters::FOCUS_MODE_FIXED : 2244 !strcmp(focusMode, CameraParameters::FOCUS_MODE_EDOF) ? 2245 Parameters::FOCUS_MODE_EDOF : 2246 !strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO) ? 2247 Parameters::FOCUS_MODE_CONTINUOUS_VIDEO : 2248 !strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE) ? 2249 Parameters::FOCUS_MODE_CONTINUOUS_PICTURE : 2250 Parameters::FOCUS_MODE_INVALID; 2251 } 2252 2253 const char *Parameters::focusModeEnumToString(focusMode_t focusMode) { 2254 switch (focusMode) { 2255 case FOCUS_MODE_AUTO: 2256 return CameraParameters::FOCUS_MODE_AUTO; 2257 case FOCUS_MODE_MACRO: 2258 return CameraParameters::FOCUS_MODE_MACRO; 2259 case FOCUS_MODE_CONTINUOUS_VIDEO: 2260 return CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO; 2261 case FOCUS_MODE_CONTINUOUS_PICTURE: 2262 return CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE; 2263 case FOCUS_MODE_EDOF: 2264 return CameraParameters::FOCUS_MODE_EDOF; 2265 case FOCUS_MODE_INFINITY: 2266 return CameraParameters::FOCUS_MODE_INFINITY; 2267 case FOCUS_MODE_FIXED: 2268 return CameraParameters::FOCUS_MODE_FIXED; 2269 default: 2270 ALOGE("%s: Unknown focus mode enum: %d", 2271 __FUNCTION__, focusMode); 2272 return "unknown"; 2273 } 2274 } 2275 2276 Parameters::Parameters::lightFxMode_t Parameters::lightFxStringToEnum( 2277 const char *lightFxMode) { 2278 return 2279 !lightFxMode ? 2280 Parameters::LIGHTFX_NONE : 2281 !strcmp(lightFxMode, CameraParameters::LIGHTFX_LOWLIGHT) ? 2282 Parameters::LIGHTFX_LOWLIGHT : 2283 !strcmp(lightFxMode, CameraParameters::LIGHTFX_HDR) ? 2284 Parameters::LIGHTFX_HDR : 2285 Parameters::LIGHTFX_NONE; 2286 } 2287 2288 status_t Parameters::parseAreas(const char *areasCStr, 2289 Vector<Parameters::Area> *areas) { 2290 static const size_t NUM_FIELDS = 5; 2291 areas->clear(); 2292 if (areasCStr == NULL) { 2293 // If no key exists, use default (0,0,0,0,0) 2294 areas->push(); 2295 return OK; 2296 } 2297 String8 areasStr(areasCStr); 2298 ssize_t areaStart = areasStr.find("(", 0) + 1; 2299 while (areaStart != 0) { 2300 const char* area = areasStr.string() + areaStart; 2301 char *numEnd; 2302 int vals[NUM_FIELDS]; 2303 for (size_t i = 0; i < NUM_FIELDS; i++) { 2304 errno = 0; 2305 vals[i] = strtol(area, &numEnd, 10); 2306 if (errno || numEnd == area) return BAD_VALUE; 2307 area = numEnd + 1; 2308 } 2309 areas->push(Parameters::Area( 2310 vals[0], vals[1], vals[2], vals[3], vals[4]) ); 2311 areaStart = areasStr.find("(", areaStart) + 1; 2312 } 2313 return OK; 2314 } 2315 2316 status_t Parameters::validateAreas(const Vector<Parameters::Area> &areas, 2317 size_t maxRegions, 2318 AreaKind areaKind) const { 2319 // Definition of valid area can be found in 2320 // include/camera/CameraParameters.h 2321 if (areas.size() == 0) return BAD_VALUE; 2322 if (areas.size() == 1) { 2323 if (areas[0].left == 0 && 2324 areas[0].top == 0 && 2325 areas[0].right == 0 && 2326 areas[0].bottom == 0 && 2327 areas[0].weight == 0) { 2328 // Single (0,0,0,0,0) entry is always valid (== driver decides) 2329 return OK; 2330 } 2331 } 2332 2333 // fixed focus can only set (0,0,0,0,0) focus area 2334 if (areaKind == AREA_KIND_FOCUS && focusMode == FOCUS_MODE_FIXED) { 2335 return BAD_VALUE; 2336 } 2337 2338 if (areas.size() > maxRegions) { 2339 ALOGE("%s: Too many areas requested: %d", 2340 __FUNCTION__, areas.size()); 2341 return BAD_VALUE; 2342 } 2343 2344 for (Vector<Parameters::Area>::const_iterator a = areas.begin(); 2345 a != areas.end(); a++) { 2346 if (a->weight < 1 || a->weight > 1000) return BAD_VALUE; 2347 if (a->left < -1000 || a->left > 1000) return BAD_VALUE; 2348 if (a->top < -1000 || a->top > 1000) return BAD_VALUE; 2349 if (a->right < -1000 || a->right > 1000) return BAD_VALUE; 2350 if (a->bottom < -1000 || a->bottom > 1000) return BAD_VALUE; 2351 if (a->left >= a->right) return BAD_VALUE; 2352 if (a->top >= a->bottom) return BAD_VALUE; 2353 } 2354 return OK; 2355 } 2356 2357 bool Parameters::boolFromString(const char *boolStr) { 2358 return !boolStr ? false : 2359 !strcmp(boolStr, CameraParameters::TRUE) ? true : 2360 false; 2361 } 2362 2363 int Parameters::degToTransform(int degrees, bool mirror) { 2364 if (!mirror) { 2365 if (degrees == 0) return 0; 2366 else if (degrees == 90) return HAL_TRANSFORM_ROT_90; 2367 else if (degrees == 180) return HAL_TRANSFORM_ROT_180; 2368 else if (degrees == 270) return HAL_TRANSFORM_ROT_270; 2369 } else { // Do mirror (horizontal flip) 2370 if (degrees == 0) { // FLIP_H and ROT_0 2371 return HAL_TRANSFORM_FLIP_H; 2372 } else if (degrees == 90) { // FLIP_H and ROT_90 2373 return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90; 2374 } else if (degrees == 180) { // FLIP_H and ROT_180 2375 return HAL_TRANSFORM_FLIP_V; 2376 } else if (degrees == 270) { // FLIP_H and ROT_270 2377 return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90; 2378 } 2379 } 2380 ALOGE("%s: Bad input: %d", __FUNCTION__, degrees); 2381 return -1; 2382 } 2383 2384 int Parameters::cropXToArray(int x) const { 2385 ALOG_ASSERT(x >= 0, "Crop-relative X coordinate = '%d' is out of bounds" 2386 "(lower = 0)", x); 2387 2388 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2389 ALOG_ASSERT(x < previewCrop.width, "Crop-relative X coordinate = '%d' " 2390 "is out of bounds (upper = %f)", x, previewCrop.width); 2391 2392 int ret = x + previewCrop.left; 2393 2394 ALOG_ASSERT( (ret >= 0 && ret < fastInfo.arrayWidth), 2395 "Calculated pixel array value X = '%d' is out of bounds (upper = %d)", 2396 ret, fastInfo.arrayWidth); 2397 return ret; 2398 } 2399 2400 int Parameters::cropYToArray(int y) const { 2401 ALOG_ASSERT(y >= 0, "Crop-relative Y coordinate = '%d' is out of bounds " 2402 "(lower = 0)", y); 2403 2404 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2405 ALOG_ASSERT(y < previewCrop.height, "Crop-relative Y coordinate = '%d' is " 2406 "out of bounds (upper = %f)", y, previewCrop.height); 2407 2408 int ret = y + previewCrop.top; 2409 2410 ALOG_ASSERT( (ret >= 0 && ret < fastInfo.arrayHeight), 2411 "Calculated pixel array value Y = '%d' is out of bounds (upper = %d)", 2412 ret, fastInfo.arrayHeight); 2413 2414 return ret; 2415 2416 } 2417 2418 int Parameters::normalizedXToCrop(int x) const { 2419 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2420 return (x + 1000) * (previewCrop.width - 1) / 2000; 2421 } 2422 2423 int Parameters::normalizedYToCrop(int y) const { 2424 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2425 return (y + 1000) * (previewCrop.height - 1) / 2000; 2426 } 2427 2428 int Parameters::arrayXToCrop(int x) const { 2429 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2430 return x - previewCrop.left; 2431 } 2432 2433 int Parameters::arrayYToCrop(int y) const { 2434 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2435 return y - previewCrop.top; 2436 } 2437 2438 int Parameters::cropXToNormalized(int x) const { 2439 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2440 return x * 2000 / (previewCrop.width - 1) - 1000; 2441 } 2442 2443 int Parameters::cropYToNormalized(int y) const { 2444 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2445 return y * 2000 / (previewCrop.height - 1) - 1000; 2446 } 2447 2448 int Parameters::arrayXToNormalized(int width) const { 2449 int ret = cropXToNormalized(arrayXToCrop(width)); 2450 2451 ALOG_ASSERT(ret >= -1000, "Calculated normalized value out of " 2452 "lower bounds %d", ret); 2453 ALOG_ASSERT(ret <= 1000, "Calculated normalized value out of " 2454 "upper bounds %d", ret); 2455 2456 // Work-around for HAL pre-scaling the coordinates themselves 2457 if (quirks.meteringCropRegion) { 2458 return width * 2000 / (fastInfo.arrayWidth - 1) - 1000; 2459 } 2460 2461 return ret; 2462 } 2463 2464 int Parameters::arrayYToNormalized(int height) const { 2465 int ret = cropYToNormalized(arrayYToCrop(height)); 2466 2467 ALOG_ASSERT(ret >= -1000, "Calculated normalized value out of lower bounds" 2468 " %d", ret); 2469 ALOG_ASSERT(ret <= 1000, "Calculated normalized value out of upper bounds" 2470 " %d", ret); 2471 2472 // Work-around for HAL pre-scaling the coordinates themselves 2473 if (quirks.meteringCropRegion) { 2474 return height * 2000 / (fastInfo.arrayHeight - 1) - 1000; 2475 } 2476 2477 return ret; 2478 } 2479 2480 int Parameters::normalizedXToArray(int x) const { 2481 2482 // Work-around for HAL pre-scaling the coordinates themselves 2483 if (quirks.meteringCropRegion) { 2484 return (x + 1000) * (fastInfo.arrayWidth - 1) / 2000; 2485 } 2486 2487 return cropXToArray(normalizedXToCrop(x)); 2488 } 2489 2490 int Parameters::normalizedYToArray(int y) const { 2491 // Work-around for HAL pre-scaling the coordinates themselves 2492 if (quirks.meteringCropRegion) { 2493 return (y + 1000) * (fastInfo.arrayHeight - 1) / 2000; 2494 } 2495 2496 return cropYToArray(normalizedYToCrop(y)); 2497 } 2498 2499 status_t Parameters::getFilteredPreviewSizes(Size limit, Vector<Size> *sizes) { 2500 if (info == NULL) { 2501 ALOGE("%s: Static metadata is not initialized", __FUNCTION__); 2502 return NO_INIT; 2503 } 2504 if (sizes == NULL) { 2505 ALOGE("%s: Input size is null", __FUNCTION__); 2506 return BAD_VALUE; 2507 } 2508 2509 const size_t SIZE_COUNT = sizeof(Size) / sizeof(int); 2510 camera_metadata_ro_entry_t availableProcessedSizes = 2511 staticInfo(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES, SIZE_COUNT); 2512 if (availableProcessedSizes.count < SIZE_COUNT) return BAD_VALUE; 2513 2514 Size previewSize; 2515 for (size_t i = 0; i < availableProcessedSizes.count; i += SIZE_COUNT) { 2516 previewSize.width = availableProcessedSizes.data.i32[i]; 2517 previewSize.height = availableProcessedSizes.data.i32[i+1]; 2518 // Need skip the preview sizes that are too large. 2519 if (previewSize.width <= limit.width && 2520 previewSize.height <= limit.height) { 2521 sizes->push(previewSize); 2522 } 2523 } 2524 if (sizes->isEmpty()) { 2525 ALOGE("generated preview size list is empty!!"); 2526 return BAD_VALUE; 2527 } 2528 return OK; 2529 } 2530 2531 Parameters::Size Parameters::getMaxSizeForRatio( 2532 float ratio, const int32_t* sizeArray, size_t count) { 2533 ALOG_ASSERT(sizeArray != NULL, "size array shouldn't be NULL"); 2534 ALOG_ASSERT(count >= 2 && count % 2 == 0, "count must be a positive even number"); 2535 2536 Size maxSize = {0, 0}; 2537 for (size_t i = 0; i < count; i += 2) { 2538 if (sizeArray[i] > 0 && sizeArray[i+1] > 0) { 2539 float curRatio = static_cast<float>(sizeArray[i]) / sizeArray[i+1]; 2540 if (fabs(curRatio - ratio) < ASPECT_RATIO_TOLERANCE && maxSize.width < sizeArray[i]) { 2541 maxSize.width = sizeArray[i]; 2542 maxSize.height = sizeArray[i+1]; 2543 } 2544 } 2545 } 2546 2547 if (maxSize.width == 0 || maxSize.height == 0) { 2548 maxSize.width = sizeArray[0]; 2549 maxSize.height = sizeArray[1]; 2550 ALOGW("Unable to find the size to match the given aspect ratio %f." 2551 "Fall back to %d x %d", ratio, maxSize.width, maxSize.height); 2552 } 2553 2554 return maxSize; 2555 } 2556 2557 Parameters::CropRegion Parameters::calculateCropRegion( 2558 Parameters::CropRegion::Outputs outputs) const { 2559 2560 float zoomLeft, zoomTop, zoomWidth, zoomHeight; 2561 2562 // Need to convert zoom index into a crop rectangle. The rectangle is 2563 // chosen to maximize its area on the sensor 2564 2565 camera_metadata_ro_entry_t maxDigitalZoom = 2566 staticInfo(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM); 2567 // For each zoom step by how many pixels more do we change the zoom 2568 float zoomIncrement = (maxDigitalZoom.data.f[0] - 1) / 2569 (NUM_ZOOM_STEPS-1); 2570 // The desired activeAreaWidth/cropAreaWidth ratio (or height if h>w) 2571 // via interpolating zoom step into a zoom ratio 2572 float zoomRatio = 1 + zoomIncrement * zoom; 2573 ALOG_ASSERT( (zoomRatio >= 1.f && zoomRatio <= maxDigitalZoom.data.f[0]), 2574 "Zoom ratio calculated out of bounds. Expected 1 - %f, actual: %f", 2575 maxDigitalZoom.data.f[0], zoomRatio); 2576 2577 ALOGV("Zoom maxDigital=%f, increment=%f, ratio=%f, previewWidth=%d, " 2578 "previewHeight=%d, activeWidth=%d, activeHeight=%d", 2579 maxDigitalZoom.data.f[0], zoomIncrement, zoomRatio, previewWidth, 2580 previewHeight, fastInfo.arrayWidth, fastInfo.arrayHeight); 2581 2582 /* 2583 * Assumption: On the HAL side each stream buffer calculates its crop 2584 * rectangle as follows: 2585 * cropRect = (zoomLeft, zoomRight, 2586 * zoomWidth, zoomHeight * zoomWidth / outputWidth); 2587 * 2588 * Note that if zoomWidth > bufferWidth, the new cropHeight > zoomHeight 2589 * (we can then get into trouble if the cropHeight > arrayHeight). 2590 * By selecting the zoomRatio based on the smallest outputRatio, we 2591 * guarantee this will never happen. 2592 */ 2593 2594 // Enumerate all possible output sizes, select the one with the smallest 2595 // aspect ratio 2596 float minOutputWidth, minOutputHeight, minOutputRatio; 2597 { 2598 float outputSizes[][2] = { 2599 { static_cast<float>(previewWidth), 2600 static_cast<float>(previewHeight) }, 2601 { static_cast<float>(videoWidth), 2602 static_cast<float>(videoHeight) }, 2603 { static_cast<float>(jpegThumbSize[0]), 2604 static_cast<float>(jpegThumbSize[1]) }, 2605 { static_cast<float>(pictureWidth), 2606 static_cast<float>(pictureHeight) }, 2607 }; 2608 2609 minOutputWidth = outputSizes[0][0]; 2610 minOutputHeight = outputSizes[0][1]; 2611 minOutputRatio = minOutputWidth / minOutputHeight; 2612 for (unsigned int i = 0; 2613 i < sizeof(outputSizes) / sizeof(outputSizes[0]); 2614 ++i) { 2615 2616 // skip over outputs we don't want to consider for the crop region 2617 if ( !((1 << i) & outputs) ) { 2618 continue; 2619 } 2620 2621 float outputWidth = outputSizes[i][0]; 2622 float outputHeight = outputSizes[i][1]; 2623 float outputRatio = outputWidth / outputHeight; 2624 2625 if (minOutputRatio > outputRatio) { 2626 minOutputRatio = outputRatio; 2627 minOutputWidth = outputWidth; 2628 minOutputHeight = outputHeight; 2629 } 2630 2631 // and then use this output ratio instead of preview output ratio 2632 ALOGV("Enumerating output ratio %f = %f / %f, min is %f", 2633 outputRatio, outputWidth, outputHeight, minOutputRatio); 2634 } 2635 } 2636 2637 /* Ensure that the width/height never go out of bounds 2638 * by scaling across a diffent dimension if an out-of-bounds 2639 * possibility exists. 2640 * 2641 * e.g. if the previewratio < arrayratio and e.g. zoomratio = 1.0, then by 2642 * calculating the zoomWidth from zoomHeight we'll actually get a 2643 * zoomheight > arrayheight 2644 */ 2645 float arrayRatio = 1.f * fastInfo.arrayWidth / fastInfo.arrayHeight; 2646 if (minOutputRatio >= arrayRatio) { 2647 // Adjust the height based on the width 2648 zoomWidth = fastInfo.arrayWidth / zoomRatio; 2649 zoomHeight = zoomWidth * 2650 minOutputHeight / minOutputWidth; 2651 2652 } else { 2653 // Adjust the width based on the height 2654 zoomHeight = fastInfo.arrayHeight / zoomRatio; 2655 zoomWidth = zoomHeight * 2656 minOutputWidth / minOutputHeight; 2657 } 2658 // centering the zoom area within the active area 2659 zoomLeft = (fastInfo.arrayWidth - zoomWidth) / 2; 2660 zoomTop = (fastInfo.arrayHeight - zoomHeight) / 2; 2661 2662 ALOGV("Crop region calculated (x=%d,y=%d,w=%f,h=%f) for zoom=%d", 2663 (int32_t)zoomLeft, (int32_t)zoomTop, zoomWidth, zoomHeight, this->zoom); 2664 2665 2666 CropRegion crop = { zoomLeft, zoomTop, zoomWidth, zoomHeight }; 2667 return crop; 2668 } 2669 2670 status_t Parameters::calculatePictureFovs(float *horizFov, float *vertFov) 2671 const { 2672 camera_metadata_ro_entry_t sensorSize = 2673 staticInfo(ANDROID_SENSOR_INFO_PHYSICAL_SIZE, 2, 2); 2674 if (!sensorSize.count) return NO_INIT; 2675 2676 float arrayAspect = static_cast<float>(fastInfo.arrayWidth) / 2677 fastInfo.arrayHeight; 2678 float stillAspect = static_cast<float>(pictureWidth) / pictureHeight; 2679 ALOGV("Array aspect: %f, still aspect: %f", arrayAspect, stillAspect); 2680 2681 // The crop factors from the full sensor array to the still picture crop 2682 // region 2683 float horizCropFactor = 1.f; 2684 float vertCropFactor = 1.f; 2685 2686 /** 2687 * Need to calculate the still image field of view based on the total pixel 2688 * array field of view, and the relative aspect ratios of the pixel array 2689 * and output streams. 2690 * 2691 * Special treatment for quirky definition of crop region and relative 2692 * stream cropping. 2693 */ 2694 if (quirks.meteringCropRegion) { 2695 // Use max of preview and video as first crop 2696 float previewAspect = static_cast<float>(previewWidth) / previewHeight; 2697 float videoAspect = static_cast<float>(videoWidth) / videoHeight; 2698 if (videoAspect > previewAspect) { 2699 previewAspect = videoAspect; 2700 } 2701 // First crop sensor to preview aspect ratio 2702 if (arrayAspect < previewAspect) { 2703 vertCropFactor = arrayAspect / previewAspect; 2704 } else { 2705 horizCropFactor = previewAspect / arrayAspect; 2706 } 2707 // Second crop to still aspect ratio 2708 if (stillAspect < previewAspect) { 2709 horizCropFactor *= stillAspect / previewAspect; 2710 } else { 2711 vertCropFactor *= previewAspect / stillAspect; 2712 } 2713 } else { 2714 /** 2715 * Crop are just a function of just the still/array relative aspect 2716 * ratios. Since each stream will maximize its area within the crop 2717 * region, and for FOV we assume a full-sensor crop region, we only ever 2718 * crop the FOV either vertically or horizontally, never both. 2719 */ 2720 horizCropFactor = (arrayAspect > stillAspect) ? 2721 (stillAspect / arrayAspect) : 1.f; 2722 vertCropFactor = (arrayAspect < stillAspect) ? 2723 (arrayAspect / stillAspect) : 1.f; 2724 } 2725 ALOGV("Horiz crop factor: %f, vert crop fact: %f", 2726 horizCropFactor, vertCropFactor); 2727 /** 2728 * Basic field of view formula is: 2729 * angle of view = 2 * arctangent ( d / 2f ) 2730 * where d is the physical sensor dimension of interest, and f is 2731 * the focal length. This only applies to rectilinear sensors, for focusing 2732 * at distances >> f, etc. 2733 */ 2734 if (horizFov != NULL) { 2735 *horizFov = 180 / M_PI * 2 * 2736 atanf(horizCropFactor * sensorSize.data.f[0] / 2737 (2 * fastInfo.minFocalLength)); 2738 } 2739 if (vertFov != NULL) { 2740 *vertFov = 180 / M_PI * 2 * 2741 atanf(vertCropFactor * sensorSize.data.f[1] / 2742 (2 * fastInfo.minFocalLength)); 2743 } 2744 return OK; 2745 } 2746 2747 int32_t Parameters::fpsFromRange(int32_t /*min*/, int32_t max) const { 2748 return max; 2749 } 2750 2751 }; // namespace camera2 2752 }; // namespace android 2753
