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 previewFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; 96 params.set(CameraParameters::KEY_PREVIEW_FORMAT, 97 formatEnumToString(previewFormat)); // NV21 98 99 previewTransform = degToTransform(0, 100 cameraFacing == CAMERA_FACING_FRONT); 101 102 camera_metadata_ro_entry_t availableFormats = 103 staticInfo(ANDROID_SCALER_AVAILABLE_FORMATS); 104 105 { 106 String8 supportedPreviewFormats; 107 bool addComma = false; 108 for (size_t i=0; i < availableFormats.count; i++) { 109 if (addComma) supportedPreviewFormats += ","; 110 addComma = true; 111 switch (availableFormats.data.i32[i]) { 112 case HAL_PIXEL_FORMAT_YCbCr_422_SP: 113 supportedPreviewFormats += 114 CameraParameters::PIXEL_FORMAT_YUV422SP; 115 break; 116 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 117 supportedPreviewFormats += 118 CameraParameters::PIXEL_FORMAT_YUV420SP; 119 break; 120 case HAL_PIXEL_FORMAT_YCbCr_422_I: 121 supportedPreviewFormats += 122 CameraParameters::PIXEL_FORMAT_YUV422I; 123 break; 124 case HAL_PIXEL_FORMAT_YV12: 125 supportedPreviewFormats += 126 CameraParameters::PIXEL_FORMAT_YUV420P; 127 break; 128 case HAL_PIXEL_FORMAT_RGB_565: 129 supportedPreviewFormats += 130 CameraParameters::PIXEL_FORMAT_RGB565; 131 break; 132 case HAL_PIXEL_FORMAT_RGBA_8888: 133 supportedPreviewFormats += 134 CameraParameters::PIXEL_FORMAT_RGBA8888; 135 break; 136 case HAL_PIXEL_FORMAT_YCbCr_420_888: 137 // Flexible YUV allows both YV12 and NV21 138 supportedPreviewFormats += 139 CameraParameters::PIXEL_FORMAT_YUV420P; 140 supportedPreviewFormats += ","; 141 supportedPreviewFormats += 142 CameraParameters::PIXEL_FORMAT_YUV420SP; 143 break; 144 // Not advertizing JPEG, RAW_SENSOR, etc, for preview formats 145 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 146 case HAL_PIXEL_FORMAT_RAW_SENSOR: 147 case HAL_PIXEL_FORMAT_BLOB: 148 addComma = false; 149 break; 150 151 default: 152 ALOGW("%s: Camera %d: Unknown preview format: %x", 153 __FUNCTION__, cameraId, availableFormats.data.i32[i]); 154 addComma = false; 155 break; 156 } 157 } 158 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS, 159 supportedPreviewFormats); 160 } 161 162 previewFpsRange[0] = availableFpsRanges.data.i32[0]; 163 previewFpsRange[1] = availableFpsRanges.data.i32[1]; 164 165 // PREVIEW_FRAME_RATE / SUPPORTED_PREVIEW_FRAME_RATES are deprecated, but 166 // still have to do something sane for them 167 168 // NOTE: Not scaled like FPS range values are. 169 int previewFps = fpsFromRange(previewFpsRange[0], previewFpsRange[1]); 170 params.set(CameraParameters::KEY_PREVIEW_FRAME_RATE, 171 previewFps); 172 173 // PREVIEW_FPS_RANGE 174 // -- Order matters. Set range after single value to so that a roundtrip 175 // of setParameters(getParameters()) would keep the FPS range in higher 176 // order. 177 params.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, 178 String8::format("%d,%d", 179 previewFpsRange[0] * kFpsToApiScale, 180 previewFpsRange[1] * kFpsToApiScale)); 181 182 { 183 String8 supportedPreviewFpsRange; 184 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 185 if (i != 0) supportedPreviewFpsRange += ","; 186 supportedPreviewFpsRange += String8::format("(%d,%d)", 187 availableFpsRanges.data.i32[i] * kFpsToApiScale, 188 availableFpsRanges.data.i32[i+1] * kFpsToApiScale); 189 } 190 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FPS_RANGE, 191 supportedPreviewFpsRange); 192 } 193 194 { 195 SortedVector<int32_t> sortedPreviewFrameRates; 196 197 String8 supportedPreviewFrameRates; 198 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 199 // from the [min, max] fps range use the max value 200 int fps = fpsFromRange(availableFpsRanges.data.i32[i], 201 availableFpsRanges.data.i32[i+1]); 202 203 // de-dupe frame rates 204 if (sortedPreviewFrameRates.indexOf(fps) == NAME_NOT_FOUND) { 205 sortedPreviewFrameRates.add(fps); 206 } 207 else { 208 continue; 209 } 210 211 if (sortedPreviewFrameRates.size() > 1) { 212 supportedPreviewFrameRates += ","; 213 } 214 215 supportedPreviewFrameRates += String8::format("%d", 216 fps); 217 218 ALOGV("%s: Supported preview frame rates: %s", 219 __FUNCTION__, supportedPreviewFrameRates.string()); 220 } 221 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES, 222 supportedPreviewFrameRates); 223 } 224 225 camera_metadata_ro_entry_t availableJpegSizes = 226 staticInfo(ANDROID_SCALER_AVAILABLE_JPEG_SIZES, 2); 227 if (!availableJpegSizes.count) return NO_INIT; 228 229 // TODO: Pick maximum 230 pictureWidth = availableJpegSizes.data.i32[0]; 231 pictureHeight = availableJpegSizes.data.i32[1]; 232 233 params.setPictureSize(pictureWidth, 234 pictureHeight); 235 236 { 237 String8 supportedPictureSizes; 238 for (size_t i=0; i < availableJpegSizes.count; i += 2) { 239 if (i != 0) supportedPictureSizes += ","; 240 supportedPictureSizes += String8::format("%dx%d", 241 availableJpegSizes.data.i32[i], 242 availableJpegSizes.data.i32[i+1]); 243 } 244 params.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, 245 supportedPictureSizes); 246 } 247 248 params.setPictureFormat(CameraParameters::PIXEL_FORMAT_JPEG); 249 params.set(CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS, 250 CameraParameters::PIXEL_FORMAT_JPEG); 251 252 camera_metadata_ro_entry_t availableJpegThumbnailSizes = 253 staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, 4); 254 if (!availableJpegThumbnailSizes.count) return NO_INIT; 255 256 // Pick the largest thumbnail size that matches still image aspect ratio. 257 ALOG_ASSERT(pictureWidth > 0 && pictureHeight > 0, 258 "Invalid picture size, %d x %d", pictureWidth, pictureHeight); 259 float picAspectRatio = static_cast<float>(pictureWidth) / pictureHeight; 260 Size thumbnailSize = 261 getMaxSizeForRatio( 262 picAspectRatio, 263 &availableJpegThumbnailSizes.data.i32[0], 264 availableJpegThumbnailSizes.count); 265 jpegThumbSize[0] = thumbnailSize.width; 266 jpegThumbSize[1] = thumbnailSize.height; 267 268 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, 269 jpegThumbSize[0]); 270 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, 271 jpegThumbSize[1]); 272 273 { 274 String8 supportedJpegThumbSizes; 275 for (size_t i=0; i < availableJpegThumbnailSizes.count; i += 2) { 276 if (i != 0) supportedJpegThumbSizes += ","; 277 supportedJpegThumbSizes += String8::format("%dx%d", 278 availableJpegThumbnailSizes.data.i32[i], 279 availableJpegThumbnailSizes.data.i32[i+1]); 280 } 281 params.set(CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES, 282 supportedJpegThumbSizes); 283 } 284 285 jpegThumbQuality = 90; 286 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY, 287 jpegThumbQuality); 288 jpegQuality = 90; 289 params.set(CameraParameters::KEY_JPEG_QUALITY, 290 jpegQuality); 291 jpegRotation = 0; 292 params.set(CameraParameters::KEY_ROTATION, 293 jpegRotation); 294 295 gpsEnabled = false; 296 gpsCoordinates[0] = 0.0; 297 gpsCoordinates[1] = 0.0; 298 gpsCoordinates[2] = 0.0; 299 gpsTimestamp = 0; 300 gpsProcessingMethod = "unknown"; 301 // GPS fields in CameraParameters are not set by implementation 302 303 wbMode = ANDROID_CONTROL_AWB_MODE_AUTO; 304 params.set(CameraParameters::KEY_WHITE_BALANCE, 305 CameraParameters::WHITE_BALANCE_AUTO); 306 307 camera_metadata_ro_entry_t availableWhiteBalanceModes = 308 staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 0, 0, false); 309 if (!availableWhiteBalanceModes.count) { 310 params.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, 311 CameraParameters::WHITE_BALANCE_AUTO); 312 } else { 313 String8 supportedWhiteBalance; 314 bool addComma = false; 315 for (size_t i=0; i < availableWhiteBalanceModes.count; i++) { 316 if (addComma) supportedWhiteBalance += ","; 317 addComma = true; 318 switch (availableWhiteBalanceModes.data.u8[i]) { 319 case ANDROID_CONTROL_AWB_MODE_AUTO: 320 supportedWhiteBalance += 321 CameraParameters::WHITE_BALANCE_AUTO; 322 break; 323 case ANDROID_CONTROL_AWB_MODE_INCANDESCENT: 324 supportedWhiteBalance += 325 CameraParameters::WHITE_BALANCE_INCANDESCENT; 326 break; 327 case ANDROID_CONTROL_AWB_MODE_FLUORESCENT: 328 supportedWhiteBalance += 329 CameraParameters::WHITE_BALANCE_FLUORESCENT; 330 break; 331 case ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT: 332 supportedWhiteBalance += 333 CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT; 334 break; 335 case ANDROID_CONTROL_AWB_MODE_DAYLIGHT: 336 supportedWhiteBalance += 337 CameraParameters::WHITE_BALANCE_DAYLIGHT; 338 break; 339 case ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT: 340 supportedWhiteBalance += 341 CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT; 342 break; 343 case ANDROID_CONTROL_AWB_MODE_TWILIGHT: 344 supportedWhiteBalance += 345 CameraParameters::WHITE_BALANCE_TWILIGHT; 346 break; 347 case ANDROID_CONTROL_AWB_MODE_SHADE: 348 supportedWhiteBalance += 349 CameraParameters::WHITE_BALANCE_SHADE; 350 break; 351 // Skipping values not mappable to v1 API 352 case ANDROID_CONTROL_AWB_MODE_OFF: 353 addComma = false; 354 break; 355 default: 356 ALOGW("%s: Camera %d: Unknown white balance value: %d", 357 __FUNCTION__, cameraId, 358 availableWhiteBalanceModes.data.u8[i]); 359 addComma = false; 360 break; 361 } 362 } 363 params.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, 364 supportedWhiteBalance); 365 } 366 367 effectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 368 params.set(CameraParameters::KEY_EFFECT, 369 CameraParameters::EFFECT_NONE); 370 371 camera_metadata_ro_entry_t availableEffects = 372 staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS, 0, 0, false); 373 if (!availableEffects.count) { 374 params.set(CameraParameters::KEY_SUPPORTED_EFFECTS, 375 CameraParameters::EFFECT_NONE); 376 } else { 377 String8 supportedEffects; 378 bool addComma = false; 379 for (size_t i=0; i < availableEffects.count; i++) { 380 if (addComma) supportedEffects += ","; 381 addComma = true; 382 switch (availableEffects.data.u8[i]) { 383 case ANDROID_CONTROL_EFFECT_MODE_OFF: 384 supportedEffects += 385 CameraParameters::EFFECT_NONE; 386 break; 387 case ANDROID_CONTROL_EFFECT_MODE_MONO: 388 supportedEffects += 389 CameraParameters::EFFECT_MONO; 390 break; 391 case ANDROID_CONTROL_EFFECT_MODE_NEGATIVE: 392 supportedEffects += 393 CameraParameters::EFFECT_NEGATIVE; 394 break; 395 case ANDROID_CONTROL_EFFECT_MODE_SOLARIZE: 396 supportedEffects += 397 CameraParameters::EFFECT_SOLARIZE; 398 break; 399 case ANDROID_CONTROL_EFFECT_MODE_SEPIA: 400 supportedEffects += 401 CameraParameters::EFFECT_SEPIA; 402 break; 403 case ANDROID_CONTROL_EFFECT_MODE_POSTERIZE: 404 supportedEffects += 405 CameraParameters::EFFECT_POSTERIZE; 406 break; 407 case ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD: 408 supportedEffects += 409 CameraParameters::EFFECT_WHITEBOARD; 410 break; 411 case ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD: 412 supportedEffects += 413 CameraParameters::EFFECT_BLACKBOARD; 414 break; 415 case ANDROID_CONTROL_EFFECT_MODE_AQUA: 416 supportedEffects += 417 CameraParameters::EFFECT_AQUA; 418 break; 419 default: 420 ALOGW("%s: Camera %d: Unknown effect value: %d", 421 __FUNCTION__, cameraId, availableEffects.data.u8[i]); 422 addComma = false; 423 break; 424 } 425 } 426 params.set(CameraParameters::KEY_SUPPORTED_EFFECTS, supportedEffects); 427 } 428 429 antibandingMode = ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO; 430 params.set(CameraParameters::KEY_ANTIBANDING, 431 CameraParameters::ANTIBANDING_AUTO); 432 433 camera_metadata_ro_entry_t availableAntibandingModes = 434 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, 0, 0, false); 435 if (!availableAntibandingModes.count) { 436 params.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, 437 CameraParameters::ANTIBANDING_OFF); 438 } else { 439 String8 supportedAntibanding; 440 bool addComma = false; 441 for (size_t i=0; i < availableAntibandingModes.count; i++) { 442 if (addComma) supportedAntibanding += ","; 443 addComma = true; 444 switch (availableAntibandingModes.data.u8[i]) { 445 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF: 446 supportedAntibanding += 447 CameraParameters::ANTIBANDING_OFF; 448 break; 449 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ: 450 supportedAntibanding += 451 CameraParameters::ANTIBANDING_50HZ; 452 break; 453 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ: 454 supportedAntibanding += 455 CameraParameters::ANTIBANDING_60HZ; 456 break; 457 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO: 458 supportedAntibanding += 459 CameraParameters::ANTIBANDING_AUTO; 460 break; 461 default: 462 ALOGW("%s: Camera %d: Unknown antibanding value: %d", 463 __FUNCTION__, cameraId, 464 availableAntibandingModes.data.u8[i]); 465 addComma = false; 466 break; 467 } 468 } 469 params.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, 470 supportedAntibanding); 471 } 472 473 sceneMode = ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED; 474 params.set(CameraParameters::KEY_SCENE_MODE, 475 CameraParameters::SCENE_MODE_AUTO); 476 477 camera_metadata_ro_entry_t availableSceneModes = 478 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 0, 0, false); 479 if (!availableSceneModes.count) { 480 params.remove(CameraParameters::KEY_SCENE_MODE); 481 } else { 482 String8 supportedSceneModes(CameraParameters::SCENE_MODE_AUTO); 483 bool addComma = true; 484 bool noSceneModes = false; 485 for (size_t i=0; i < availableSceneModes.count; i++) { 486 if (addComma) supportedSceneModes += ","; 487 addComma = true; 488 switch (availableSceneModes.data.u8[i]) { 489 case ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED: 490 noSceneModes = true; 491 break; 492 case ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY: 493 // Not in old API 494 addComma = false; 495 break; 496 case ANDROID_CONTROL_SCENE_MODE_ACTION: 497 supportedSceneModes += 498 CameraParameters::SCENE_MODE_ACTION; 499 break; 500 case ANDROID_CONTROL_SCENE_MODE_PORTRAIT: 501 supportedSceneModes += 502 CameraParameters::SCENE_MODE_PORTRAIT; 503 break; 504 case ANDROID_CONTROL_SCENE_MODE_LANDSCAPE: 505 supportedSceneModes += 506 CameraParameters::SCENE_MODE_LANDSCAPE; 507 break; 508 case ANDROID_CONTROL_SCENE_MODE_NIGHT: 509 supportedSceneModes += 510 CameraParameters::SCENE_MODE_NIGHT; 511 break; 512 case ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT: 513 supportedSceneModes += 514 CameraParameters::SCENE_MODE_NIGHT_PORTRAIT; 515 break; 516 case ANDROID_CONTROL_SCENE_MODE_THEATRE: 517 supportedSceneModes += 518 CameraParameters::SCENE_MODE_THEATRE; 519 break; 520 case ANDROID_CONTROL_SCENE_MODE_BEACH: 521 supportedSceneModes += 522 CameraParameters::SCENE_MODE_BEACH; 523 break; 524 case ANDROID_CONTROL_SCENE_MODE_SNOW: 525 supportedSceneModes += 526 CameraParameters::SCENE_MODE_SNOW; 527 break; 528 case ANDROID_CONTROL_SCENE_MODE_SUNSET: 529 supportedSceneModes += 530 CameraParameters::SCENE_MODE_SUNSET; 531 break; 532 case ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO: 533 supportedSceneModes += 534 CameraParameters::SCENE_MODE_STEADYPHOTO; 535 break; 536 case ANDROID_CONTROL_SCENE_MODE_FIREWORKS: 537 supportedSceneModes += 538 CameraParameters::SCENE_MODE_FIREWORKS; 539 break; 540 case ANDROID_CONTROL_SCENE_MODE_SPORTS: 541 supportedSceneModes += 542 CameraParameters::SCENE_MODE_SPORTS; 543 break; 544 case ANDROID_CONTROL_SCENE_MODE_PARTY: 545 supportedSceneModes += 546 CameraParameters::SCENE_MODE_PARTY; 547 break; 548 case ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT: 549 supportedSceneModes += 550 CameraParameters::SCENE_MODE_CANDLELIGHT; 551 break; 552 case ANDROID_CONTROL_SCENE_MODE_BARCODE: 553 supportedSceneModes += 554 CameraParameters::SCENE_MODE_BARCODE; 555 break; 556 default: 557 ALOGW("%s: Camera %d: Unknown scene mode value: %d", 558 __FUNCTION__, cameraId, 559 availableSceneModes.data.u8[i]); 560 addComma = false; 561 break; 562 } 563 } 564 if (!noSceneModes) { 565 params.set(CameraParameters::KEY_SUPPORTED_SCENE_MODES, 566 supportedSceneModes); 567 } else { 568 params.remove(CameraParameters::KEY_SCENE_MODE); 569 } 570 } 571 572 bool isFlashAvailable = false; 573 camera_metadata_ro_entry_t flashAvailable = 574 staticInfo(ANDROID_FLASH_INFO_AVAILABLE, 0, 1, false); 575 if (flashAvailable.count) { 576 isFlashAvailable = flashAvailable.data.u8[0]; 577 } 578 579 camera_metadata_ro_entry_t availableAeModes = 580 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES, 0, 0, false); 581 582 if (isFlashAvailable) { 583 flashMode = Parameters::FLASH_MODE_OFF; 584 params.set(CameraParameters::KEY_FLASH_MODE, 585 CameraParameters::FLASH_MODE_OFF); 586 587 String8 supportedFlashModes(CameraParameters::FLASH_MODE_OFF); 588 supportedFlashModes = supportedFlashModes + 589 "," + CameraParameters::FLASH_MODE_AUTO + 590 "," + CameraParameters::FLASH_MODE_ON + 591 "," + CameraParameters::FLASH_MODE_TORCH; 592 for (size_t i=0; i < availableAeModes.count; i++) { 593 if (availableAeModes.data.u8[i] == 594 ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE) { 595 supportedFlashModes = supportedFlashModes + "," + 596 CameraParameters::FLASH_MODE_RED_EYE; 597 break; 598 } 599 } 600 params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES, 601 supportedFlashModes); 602 } else { 603 flashMode = Parameters::FLASH_MODE_OFF; 604 params.set(CameraParameters::KEY_FLASH_MODE, 605 CameraParameters::FLASH_MODE_OFF); 606 params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES, 607 CameraParameters::FLASH_MODE_OFF); 608 } 609 610 camera_metadata_ro_entry_t minFocusDistance = 611 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 1, false); 612 613 camera_metadata_ro_entry_t availableAfModes = 614 staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES, 0, 0, false); 615 616 if (!minFocusDistance.count || minFocusDistance.data.f[0] == 0) { 617 // Fixed-focus lens 618 focusMode = Parameters::FOCUS_MODE_FIXED; 619 params.set(CameraParameters::KEY_FOCUS_MODE, 620 CameraParameters::FOCUS_MODE_FIXED); 621 params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, 622 CameraParameters::FOCUS_MODE_FIXED); 623 } else { 624 focusMode = Parameters::FOCUS_MODE_AUTO; 625 params.set(CameraParameters::KEY_FOCUS_MODE, 626 CameraParameters::FOCUS_MODE_AUTO); 627 String8 supportedFocusModes(CameraParameters::FOCUS_MODE_INFINITY); 628 bool addComma = true; 629 630 for (size_t i=0; i < availableAfModes.count; i++) { 631 if (addComma) supportedFocusModes += ","; 632 addComma = true; 633 switch (availableAfModes.data.u8[i]) { 634 case ANDROID_CONTROL_AF_MODE_AUTO: 635 supportedFocusModes += 636 CameraParameters::FOCUS_MODE_AUTO; 637 break; 638 case ANDROID_CONTROL_AF_MODE_MACRO: 639 supportedFocusModes += 640 CameraParameters::FOCUS_MODE_MACRO; 641 break; 642 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 643 supportedFocusModes += 644 CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO; 645 break; 646 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 647 supportedFocusModes += 648 CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE; 649 break; 650 case ANDROID_CONTROL_AF_MODE_EDOF: 651 supportedFocusModes += 652 CameraParameters::FOCUS_MODE_EDOF; 653 break; 654 // Not supported in old API 655 case ANDROID_CONTROL_AF_MODE_OFF: 656 addComma = false; 657 break; 658 default: 659 ALOGW("%s: Camera %d: Unknown AF mode value: %d", 660 __FUNCTION__, cameraId, availableAfModes.data.u8[i]); 661 addComma = false; 662 break; 663 } 664 } 665 params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, 666 supportedFocusModes); 667 } 668 focusState = ANDROID_CONTROL_AF_STATE_INACTIVE; 669 shadowFocusMode = FOCUS_MODE_INVALID; 670 671 camera_metadata_ro_entry_t max3aRegions = 672 staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1, 1); 673 if (!max3aRegions.count) return NO_INIT; 674 675 int32_t maxNumFocusAreas = 0; 676 if (focusMode != Parameters::FOCUS_MODE_FIXED) { 677 maxNumFocusAreas = max3aRegions.data.i32[0]; 678 } 679 params.set(CameraParameters::KEY_MAX_NUM_FOCUS_AREAS, maxNumFocusAreas); 680 params.set(CameraParameters::KEY_FOCUS_AREAS, 681 "(0,0,0,0,0)"); 682 focusingAreas.clear(); 683 focusingAreas.add(Parameters::Area(0,0,0,0,0)); 684 685 camera_metadata_ro_entry_t availableFocalLengths = 686 staticInfo(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS, 0, 0, false); 687 if (!availableFocalLengths.count) return NO_INIT; 688 689 float minFocalLength = availableFocalLengths.data.f[0]; 690 params.setFloat(CameraParameters::KEY_FOCAL_LENGTH, minFocalLength); 691 692 float horizFov, vertFov; 693 res = calculatePictureFovs(&horizFov, &vertFov); 694 if (res != OK) { 695 ALOGE("%s: Can't calculate field of views!", __FUNCTION__); 696 return res; 697 } 698 699 params.setFloat(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, horizFov); 700 params.setFloat(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, vertFov); 701 702 exposureCompensation = 0; 703 params.set(CameraParameters::KEY_EXPOSURE_COMPENSATION, 704 exposureCompensation); 705 706 camera_metadata_ro_entry_t exposureCompensationRange = 707 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_RANGE, 2, 2); 708 if (!exposureCompensationRange.count) return NO_INIT; 709 710 params.set(CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION, 711 exposureCompensationRange.data.i32[1]); 712 params.set(CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION, 713 exposureCompensationRange.data.i32[0]); 714 715 camera_metadata_ro_entry_t exposureCompensationStep = 716 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_STEP, 1, 1); 717 if (!exposureCompensationStep.count) return NO_INIT; 718 719 params.setFloat(CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP, 720 (float)exposureCompensationStep.data.r[0].numerator / 721 exposureCompensationStep.data.r[0].denominator); 722 723 autoExposureLock = false; 724 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK, 725 CameraParameters::FALSE); 726 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED, 727 CameraParameters::TRUE); 728 729 autoWhiteBalanceLock = false; 730 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK, 731 CameraParameters::FALSE); 732 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED, 733 CameraParameters::TRUE); 734 735 meteringAreas.add(Parameters::Area(0, 0, 0, 0, 0)); 736 params.set(CameraParameters::KEY_MAX_NUM_METERING_AREAS, 737 max3aRegions.data.i32[0]); 738 params.set(CameraParameters::KEY_METERING_AREAS, 739 "(0,0,0,0,0)"); 740 741 zoom = 0; 742 params.set(CameraParameters::KEY_ZOOM, zoom); 743 params.set(CameraParameters::KEY_MAX_ZOOM, NUM_ZOOM_STEPS - 1); 744 745 camera_metadata_ro_entry_t maxDigitalZoom = 746 staticInfo(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, /*minCount*/1, /*maxCount*/1); 747 if (!maxDigitalZoom.count) return NO_INIT; 748 749 { 750 String8 zoomRatios; 751 float zoom = 1.f; 752 float zoomIncrement = (maxDigitalZoom.data.f[0] - zoom) / 753 (NUM_ZOOM_STEPS-1); 754 bool addComma = false; 755 for (size_t i=0; i < NUM_ZOOM_STEPS; i++) { 756 if (addComma) zoomRatios += ","; 757 addComma = true; 758 zoomRatios += String8::format("%d", static_cast<int>(zoom * 100)); 759 zoom += zoomIncrement; 760 } 761 params.set(CameraParameters::KEY_ZOOM_RATIOS, zoomRatios); 762 } 763 764 params.set(CameraParameters::KEY_ZOOM_SUPPORTED, 765 CameraParameters::TRUE); 766 params.set(CameraParameters::KEY_SMOOTH_ZOOM_SUPPORTED, 767 CameraParameters::FALSE); 768 769 params.set(CameraParameters::KEY_FOCUS_DISTANCES, 770 "Infinity,Infinity,Infinity"); 771 772 params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_HW, 773 fastInfo.maxFaces); 774 params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_SW, 775 0); 776 777 params.set(CameraParameters::KEY_VIDEO_FRAME_FORMAT, 778 CameraParameters::PIXEL_FORMAT_ANDROID_OPAQUE); 779 780 recordingHint = false; 781 params.set(CameraParameters::KEY_RECORDING_HINT, 782 CameraParameters::FALSE); 783 784 params.set(CameraParameters::KEY_VIDEO_SNAPSHOT_SUPPORTED, 785 CameraParameters::TRUE); 786 787 videoStabilization = false; 788 params.set(CameraParameters::KEY_VIDEO_STABILIZATION, 789 CameraParameters::FALSE); 790 791 camera_metadata_ro_entry_t availableVideoStabilizationModes = 792 staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 0, 0, 793 false); 794 795 if (availableVideoStabilizationModes.count > 1) { 796 params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED, 797 CameraParameters::TRUE); 798 } else { 799 params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED, 800 CameraParameters::FALSE); 801 } 802 803 // Set up initial state for non-Camera.Parameters state variables 804 805 storeMetadataInBuffers = true; 806 playShutterSound = true; 807 enableFaceDetect = false; 808 809 enableFocusMoveMessages = false; 810 afTriggerCounter = 1; 811 afStateCounter = 0; 812 currentAfTriggerId = -1; 813 afInMotion = false; 814 815 precaptureTriggerCounter = 1; 816 817 takePictureCounter = 0; 818 819 previewCallbackFlags = 0; 820 previewCallbackOneShot = false; 821 previewCallbackSurface = false; 822 823 char value[PROPERTY_VALUE_MAX]; 824 property_get("camera.disable_zsl_mode", value, "0"); 825 if (!strcmp(value,"1")) { 826 ALOGI("Camera %d: Disabling ZSL mode", cameraId); 827 zslMode = false; 828 } else { 829 zslMode = true; 830 } 831 832 lightFx = LIGHTFX_NONE; 833 834 state = STOPPED; 835 836 paramsFlattened = params.flatten(); 837 838 return OK; 839 } 840 841 String8 Parameters::get() const { 842 return paramsFlattened; 843 } 844 845 status_t Parameters::buildFastInfo() { 846 847 camera_metadata_ro_entry_t activeArraySize = 848 staticInfo(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, 2, 4); 849 if (!activeArraySize.count) return NO_INIT; 850 int32_t arrayWidth; 851 int32_t arrayHeight; 852 if (activeArraySize.count == 2) { 853 ALOGW("%s: Camera %d: activeArraySize is missing xmin/ymin!", 854 __FUNCTION__, cameraId); 855 arrayWidth = activeArraySize.data.i32[0]; 856 arrayHeight = activeArraySize.data.i32[1]; 857 } else if (activeArraySize.count == 4) { 858 arrayWidth = activeArraySize.data.i32[2]; 859 arrayHeight = activeArraySize.data.i32[3]; 860 } else return NO_INIT; 861 862 // We'll set the target FPS range for still captures to be as wide 863 // as possible to give the HAL maximum latitude for exposure selection 864 camera_metadata_ro_entry_t availableFpsRanges = 865 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 866 if (availableFpsRanges.count < 2 || availableFpsRanges.count % 2 != 0) { 867 return NO_INIT; 868 } 869 870 int32_t bestStillCaptureFpsRange[2] = { 871 availableFpsRanges.data.i32[0], availableFpsRanges.data.i32[1] 872 }; 873 int32_t curRange = 874 bestStillCaptureFpsRange[1] - bestStillCaptureFpsRange[0]; 875 for (size_t i = 2; i < availableFpsRanges.count; i += 2) { 876 int32_t nextRange = 877 availableFpsRanges.data.i32[i + 1] - 878 availableFpsRanges.data.i32[i]; 879 if ( (nextRange > curRange) || // Maximize size of FPS range first 880 (nextRange == curRange && // Then minimize low-end FPS 881 bestStillCaptureFpsRange[0] > availableFpsRanges.data.i32[i])) { 882 883 bestStillCaptureFpsRange[0] = availableFpsRanges.data.i32[i]; 884 bestStillCaptureFpsRange[1] = availableFpsRanges.data.i32[i + 1]; 885 curRange = nextRange; 886 } 887 } 888 889 camera_metadata_ro_entry_t availableFaceDetectModes = 890 staticInfo(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, 0, 0, 891 false); 892 893 uint8_t bestFaceDetectMode = 894 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 895 for (size_t i = 0 ; i < availableFaceDetectModes.count; i++) { 896 switch (availableFaceDetectModes.data.u8[i]) { 897 case ANDROID_STATISTICS_FACE_DETECT_MODE_OFF: 898 break; 899 case ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE: 900 if (bestFaceDetectMode != 901 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL) { 902 bestFaceDetectMode = 903 ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE; 904 } 905 break; 906 case ANDROID_STATISTICS_FACE_DETECT_MODE_FULL: 907 bestFaceDetectMode = 908 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL; 909 break; 910 default: 911 ALOGE("%s: Camera %d: Unknown face detect mode %d:", 912 __FUNCTION__, cameraId, 913 availableFaceDetectModes.data.u8[i]); 914 return NO_INIT; 915 } 916 } 917 918 int32_t maxFaces = 0; 919 camera_metadata_ro_entry_t maxFacesDetected = 920 staticInfo(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT, 0, 1, false); 921 if (maxFacesDetected.count) { 922 maxFaces = maxFacesDetected.data.i32[0]; 923 } 924 925 camera_metadata_ro_entry_t availableSceneModes = 926 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 0, 0, false); 927 camera_metadata_ro_entry_t sceneModeOverrides = 928 staticInfo(ANDROID_CONTROL_SCENE_MODE_OVERRIDES, 0, 0, false); 929 camera_metadata_ro_entry_t minFocusDistance = 930 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 0, false); 931 bool fixedLens = minFocusDistance.count == 0 || 932 minFocusDistance.data.f[0] == 0; 933 934 camera_metadata_ro_entry_t availableFocalLengths = 935 staticInfo(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS); 936 if (!availableFocalLengths.count) return NO_INIT; 937 938 camera_metadata_ro_entry_t availableFormats = 939 staticInfo(ANDROID_SCALER_AVAILABLE_FORMATS); 940 if (!availableFormats.count) return NO_INIT; 941 942 943 if (sceneModeOverrides.count > 0) { 944 // sceneModeOverrides is defined to have 3 entries for each scene mode, 945 // which are AE, AWB, and AF override modes the HAL wants for that scene 946 // mode. 947 const size_t kModesPerSceneMode = 3; 948 if (sceneModeOverrides.count != 949 availableSceneModes.count * kModesPerSceneMode) { 950 ALOGE("%s: Camera %d: Scene mode override list is an " 951 "unexpected size: %d (expected %d)", __FUNCTION__, 952 cameraId, sceneModeOverrides.count, 953 availableSceneModes.count); 954 return NO_INIT; 955 } 956 for (size_t i = 0; i < availableSceneModes.count; i++) { 957 DeviceInfo::OverrideModes modes; 958 uint8_t aeMode = 959 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 0]; 960 switch(aeMode) { 961 case ANDROID_CONTROL_AE_MODE_ON: 962 modes.flashMode = FLASH_MODE_OFF; 963 break; 964 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH: 965 modes.flashMode = FLASH_MODE_AUTO; 966 break; 967 case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH: 968 modes.flashMode = FLASH_MODE_ON; 969 break; 970 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE: 971 modes.flashMode = FLASH_MODE_RED_EYE; 972 break; 973 default: 974 ALOGE("%s: Unknown override AE mode: %d", __FUNCTION__, 975 aeMode); 976 modes.flashMode = FLASH_MODE_INVALID; 977 break; 978 } 979 modes.wbMode = 980 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 1]; 981 uint8_t afMode = 982 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 2]; 983 switch(afMode) { 984 case ANDROID_CONTROL_AF_MODE_OFF: 985 modes.focusMode = fixedLens ? 986 FOCUS_MODE_FIXED : FOCUS_MODE_INFINITY; 987 break; 988 case ANDROID_CONTROL_AF_MODE_AUTO: 989 case ANDROID_CONTROL_AF_MODE_MACRO: 990 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 991 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 992 case ANDROID_CONTROL_AF_MODE_EDOF: 993 modes.focusMode = static_cast<focusMode_t>(afMode); 994 break; 995 default: 996 ALOGE("%s: Unknown override AF mode: %d", __FUNCTION__, 997 afMode); 998 modes.focusMode = FOCUS_MODE_INVALID; 999 break; 1000 } 1001 fastInfo.sceneModeOverrides.add(availableSceneModes.data.u8[i], 1002 modes); 1003 } 1004 } 1005 1006 fastInfo.arrayWidth = arrayWidth; 1007 fastInfo.arrayHeight = arrayHeight; 1008 fastInfo.bestStillCaptureFpsRange[0] = bestStillCaptureFpsRange[0]; 1009 fastInfo.bestStillCaptureFpsRange[1] = bestStillCaptureFpsRange[1]; 1010 fastInfo.bestFaceDetectMode = bestFaceDetectMode; 1011 fastInfo.maxFaces = maxFaces; 1012 1013 // Find smallest (widest-angle) focal length to use as basis of still 1014 // picture FOV reporting. 1015 fastInfo.minFocalLength = availableFocalLengths.data.f[0]; 1016 for (size_t i = 1; i < availableFocalLengths.count; i++) { 1017 if (fastInfo.minFocalLength > availableFocalLengths.data.f[i]) { 1018 fastInfo.minFocalLength = availableFocalLengths.data.f[i]; 1019 } 1020 } 1021 1022 // Check if the HAL supports HAL_PIXEL_FORMAT_YCbCr_420_888 1023 fastInfo.useFlexibleYuv = false; 1024 for (size_t i = 0; i < availableFormats.count; i++) { 1025 if (availableFormats.data.i32[i] == HAL_PIXEL_FORMAT_YCbCr_420_888) { 1026 fastInfo.useFlexibleYuv = true; 1027 break; 1028 } 1029 } 1030 ALOGV("Camera %d: Flexible YUV %s supported", 1031 cameraId, fastInfo.useFlexibleYuv ? "is" : "is not"); 1032 1033 return OK; 1034 } 1035 1036 status_t Parameters::buildQuirks() { 1037 camera_metadata_ro_entry_t entry; 1038 entry = info->find(ANDROID_QUIRKS_TRIGGER_AF_WITH_AUTO); 1039 quirks.triggerAfWithAuto = (entry.count != 0 && entry.data.u8[0] == 1); 1040 ALOGV_IF(quirks.triggerAfWithAuto, "Camera %d: Quirk triggerAfWithAuto enabled", 1041 cameraId); 1042 1043 entry = info->find(ANDROID_QUIRKS_USE_ZSL_FORMAT); 1044 quirks.useZslFormat = (entry.count != 0 && entry.data.u8[0] == 1); 1045 ALOGV_IF(quirks.useZslFormat, "Camera %d: Quirk useZslFormat enabled", 1046 cameraId); 1047 1048 entry = info->find(ANDROID_QUIRKS_METERING_CROP_REGION); 1049 quirks.meteringCropRegion = (entry.count != 0 && entry.data.u8[0] == 1); 1050 ALOGV_IF(quirks.meteringCropRegion, "Camera %d: Quirk meteringCropRegion" 1051 " enabled", cameraId); 1052 1053 entry = info->find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 1054 quirks.partialResults = (entry.count != 0 && entry.data.u8[0] == 1); 1055 ALOGV_IF(quirks.partialResults, "Camera %d: Quirk usePartialResult" 1056 " enabled", cameraId); 1057 1058 return OK; 1059 } 1060 1061 camera_metadata_ro_entry_t Parameters::staticInfo(uint32_t tag, 1062 size_t minCount, size_t maxCount, bool required) const { 1063 camera_metadata_ro_entry_t entry = info->find(tag); 1064 1065 if (CC_UNLIKELY( entry.count == 0 ) && required) { 1066 const char* tagSection = get_camera_metadata_section_name(tag); 1067 if (tagSection == NULL) tagSection = "<unknown>"; 1068 const char* tagName = get_camera_metadata_tag_name(tag); 1069 if (tagName == NULL) tagName = "<unknown>"; 1070 1071 ALOGE("Error finding static metadata entry '%s.%s' (%x)", 1072 tagSection, tagName, tag); 1073 } else if (CC_UNLIKELY( 1074 (minCount != 0 && entry.count < minCount) || 1075 (maxCount != 0 && entry.count > maxCount) ) ) { 1076 const char* tagSection = get_camera_metadata_section_name(tag); 1077 if (tagSection == NULL) tagSection = "<unknown>"; 1078 const char* tagName = get_camera_metadata_tag_name(tag); 1079 if (tagName == NULL) tagName = "<unknown>"; 1080 ALOGE("Malformed static metadata entry '%s.%s' (%x):" 1081 "Expected between %d and %d values, but got %d values", 1082 tagSection, tagName, tag, minCount, maxCount, entry.count); 1083 } 1084 1085 return entry; 1086 } 1087 1088 status_t Parameters::set(const String8& paramString) { 1089 status_t res; 1090 1091 CameraParameters2 newParams(paramString); 1092 1093 // TODO: Currently ignoring any changes to supposedly read-only parameters 1094 // such as supported preview sizes, etc. Should probably produce an error if 1095 // they're changed. 1096 1097 /** Extract and verify new parameters */ 1098 1099 size_t i; 1100 1101 Parameters validatedParams(*this); 1102 1103 // PREVIEW_SIZE 1104 newParams.getPreviewSize(&validatedParams.previewWidth, 1105 &validatedParams.previewHeight); 1106 1107 if (validatedParams.previewWidth != previewWidth || 1108 validatedParams.previewHeight != previewHeight) { 1109 if (state >= PREVIEW) { 1110 ALOGE("%s: Preview size cannot be updated when preview " 1111 "is active! (Currently %d x %d, requested %d x %d", 1112 __FUNCTION__, 1113 previewWidth, previewHeight, 1114 validatedParams.previewWidth, validatedParams.previewHeight); 1115 return BAD_VALUE; 1116 } 1117 for (i = 0; i < availablePreviewSizes.size(); i++) { 1118 if ((availablePreviewSizes[i].width == 1119 validatedParams.previewWidth) && 1120 (availablePreviewSizes[i].height == 1121 validatedParams.previewHeight)) break; 1122 } 1123 if (i == availablePreviewSizes.size()) { 1124 ALOGE("%s: Requested preview size %d x %d is not supported", 1125 __FUNCTION__, validatedParams.previewWidth, 1126 validatedParams.previewHeight); 1127 return BAD_VALUE; 1128 } 1129 } 1130 1131 // RECORDING_HINT (always supported) 1132 validatedParams.recordingHint = boolFromString( 1133 newParams.get(CameraParameters::KEY_RECORDING_HINT) ); 1134 IF_ALOGV() { // Avoid unused variable warning 1135 bool recordingHintChanged = 1136 validatedParams.recordingHint != recordingHint; 1137 if (recordingHintChanged) { 1138 ALOGV("%s: Recording hint changed to %d", 1139 __FUNCTION__, validatedParams.recordingHint); 1140 } 1141 } 1142 1143 // PREVIEW_FPS_RANGE 1144 1145 /** 1146 * Use the single FPS value if it was set later than the range. 1147 * Otherwise, use the range value. 1148 */ 1149 bool fpsUseSingleValue; 1150 { 1151 const char *fpsRange, *fpsSingle; 1152 1153 fpsRange = newParams.get(CameraParameters::KEY_PREVIEW_FRAME_RATE); 1154 fpsSingle = newParams.get(CameraParameters::KEY_PREVIEW_FPS_RANGE); 1155 1156 /** 1157 * Pick either the range or the single key if only one was set. 1158 * 1159 * If both are set, pick the one that has greater set order. 1160 */ 1161 if (fpsRange == NULL && fpsSingle == NULL) { 1162 ALOGE("%s: FPS was not set. One of %s or %s must be set.", 1163 __FUNCTION__, CameraParameters::KEY_PREVIEW_FRAME_RATE, 1164 CameraParameters::KEY_PREVIEW_FPS_RANGE); 1165 return BAD_VALUE; 1166 } else if (fpsRange == NULL) { 1167 fpsUseSingleValue = true; 1168 ALOGV("%s: FPS range not set, using FPS single value", 1169 __FUNCTION__); 1170 } else if (fpsSingle == NULL) { 1171 fpsUseSingleValue = false; 1172 ALOGV("%s: FPS single not set, using FPS range value", 1173 __FUNCTION__); 1174 } else { 1175 int fpsKeyOrder; 1176 res = newParams.compareSetOrder( 1177 CameraParameters::KEY_PREVIEW_FRAME_RATE, 1178 CameraParameters::KEY_PREVIEW_FPS_RANGE, 1179 &fpsKeyOrder); 1180 LOG_ALWAYS_FATAL_IF(res != OK, "Impossibly bad FPS keys"); 1181 1182 fpsUseSingleValue = (fpsKeyOrder > 0); 1183 1184 } 1185 1186 ALOGV("%s: Preview FPS value is used from '%s'", 1187 __FUNCTION__, fpsUseSingleValue ? "single" : "range"); 1188 } 1189 newParams.getPreviewFpsRange(&validatedParams.previewFpsRange[0], 1190 &validatedParams.previewFpsRange[1]); 1191 1192 validatedParams.previewFpsRange[0] /= kFpsToApiScale; 1193 validatedParams.previewFpsRange[1] /= kFpsToApiScale; 1194 1195 // Ignore the FPS range if the FPS single has higher precedence 1196 if (!fpsUseSingleValue) { 1197 ALOGV("%s: Preview FPS range (%d, %d)", __FUNCTION__, 1198 validatedParams.previewFpsRange[0], 1199 validatedParams.previewFpsRange[1]); 1200 1201 camera_metadata_ro_entry_t availablePreviewFpsRanges = 1202 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 1203 for (i = 0; i < availablePreviewFpsRanges.count; i += 2) { 1204 if ((availablePreviewFpsRanges.data.i32[i] == 1205 validatedParams.previewFpsRange[0]) && 1206 (availablePreviewFpsRanges.data.i32[i+1] == 1207 validatedParams.previewFpsRange[1]) ) { 1208 break; 1209 } 1210 } 1211 if (i == availablePreviewFpsRanges.count) { 1212 ALOGE("%s: Requested preview FPS range %d - %d is not supported", 1213 __FUNCTION__, validatedParams.previewFpsRange[0], 1214 validatedParams.previewFpsRange[1]); 1215 return BAD_VALUE; 1216 } 1217 } 1218 1219 // PREVIEW_FORMAT 1220 validatedParams.previewFormat = 1221 formatStringToEnum(newParams.getPreviewFormat()); 1222 if (validatedParams.previewFormat != previewFormat) { 1223 if (state >= PREVIEW) { 1224 ALOGE("%s: Preview format cannot be updated when preview " 1225 "is active!", __FUNCTION__); 1226 return BAD_VALUE; 1227 } 1228 camera_metadata_ro_entry_t availableFormats = 1229 staticInfo(ANDROID_SCALER_AVAILABLE_FORMATS); 1230 // If using flexible YUV, always support NV21/YV12. Otherwise, check 1231 // HAL's list. 1232 if (! (fastInfo.useFlexibleYuv && 1233 (validatedParams.previewFormat == 1234 HAL_PIXEL_FORMAT_YCrCb_420_SP || 1235 validatedParams.previewFormat == 1236 HAL_PIXEL_FORMAT_YV12) ) ) { 1237 // Not using flexible YUV format, so check explicitly 1238 for (i = 0; i < availableFormats.count; i++) { 1239 if (availableFormats.data.i32[i] == 1240 validatedParams.previewFormat) break; 1241 } 1242 if (i == availableFormats.count) { 1243 ALOGE("%s: Requested preview format %s (0x%x) is not supported", 1244 __FUNCTION__, newParams.getPreviewFormat(), 1245 validatedParams.previewFormat); 1246 return BAD_VALUE; 1247 } 1248 } 1249 } 1250 1251 // PREVIEW_FRAME_RATE Deprecated 1252 // - Use only if the single FPS value was set later than the FPS range 1253 if (fpsUseSingleValue) { 1254 int previewFps = newParams.getPreviewFrameRate(); 1255 ALOGV("%s: Preview FPS single value requested: %d", 1256 __FUNCTION__, previewFps); 1257 { 1258 camera_metadata_ro_entry_t availableFrameRates = 1259 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES); 1260 /** 1261 * If recording hint is set, find the range that encompasses 1262 * previewFps with the largest min index. 1263 * 1264 * If recording hint is not set, find the range with previewFps 1265 * with the smallest min index. 1266 * 1267 * Either way, in case of multiple ranges, break the tie by 1268 * selecting the smaller range. 1269 */ 1270 1271 // all ranges which have previewFps 1272 Vector<Range> candidateRanges; 1273 for (i = 0; i < availableFrameRates.count; i+=2) { 1274 Range r = { 1275 availableFrameRates.data.i32[i], 1276 availableFrameRates.data.i32[i+1] 1277 }; 1278 1279 if (r.min <= previewFps && previewFps <= r.max) { 1280 candidateRanges.push(r); 1281 } 1282 } 1283 if (candidateRanges.isEmpty()) { 1284 ALOGE("%s: Requested preview frame rate %d is not supported", 1285 __FUNCTION__, previewFps); 1286 return BAD_VALUE; 1287 } 1288 // most applicable range with targetFps 1289 Range bestRange = candidateRanges[0]; 1290 for (i = 1; i < candidateRanges.size(); ++i) { 1291 Range r = candidateRanges[i]; 1292 1293 // Find by largest minIndex in recording mode 1294 if (validatedParams.recordingHint) { 1295 if (r.min > bestRange.min) { 1296 bestRange = r; 1297 } 1298 else if (r.min == bestRange.min && r.max < bestRange.max) { 1299 bestRange = r; 1300 } 1301 } 1302 // Find by smallest minIndex in preview mode 1303 else { 1304 if (r.min < bestRange.min) { 1305 bestRange = r; 1306 } 1307 else if (r.min == bestRange.min && r.max < bestRange.max) { 1308 bestRange = r; 1309 } 1310 } 1311 } 1312 1313 validatedParams.previewFpsRange[0] = 1314 bestRange.min; 1315 validatedParams.previewFpsRange[1] = 1316 bestRange.max; 1317 1318 ALOGV("%s: New preview FPS range: %d, %d, recordingHint = %d", 1319 __FUNCTION__, 1320 validatedParams.previewFpsRange[0], 1321 validatedParams.previewFpsRange[1], 1322 validatedParams.recordingHint); 1323 } 1324 } 1325 1326 /** 1327 * Update Preview FPS and Preview FPS ranges based on 1328 * what we actually set. 1329 * 1330 * This updates the API-visible (Camera.Parameters#getParameters) values of 1331 * the FPS fields, not only the internal versions. 1332 * 1333 * Order matters: The value that was set last takes precedence. 1334 * - If the client does a setParameters(getParameters()) we retain 1335 * the same order for preview FPS. 1336 */ 1337 if (!fpsUseSingleValue) { 1338 // Set fps single, then fps range (range wins) 1339 newParams.setPreviewFrameRate( 1340 fpsFromRange(/*min*/validatedParams.previewFpsRange[0], 1341 /*max*/validatedParams.previewFpsRange[1])); 1342 newParams.setPreviewFpsRange( 1343 validatedParams.previewFpsRange[0] * kFpsToApiScale, 1344 validatedParams.previewFpsRange[1] * kFpsToApiScale); 1345 } else { 1346 // Set fps range, then fps single (single wins) 1347 newParams.setPreviewFpsRange( 1348 validatedParams.previewFpsRange[0] * kFpsToApiScale, 1349 validatedParams.previewFpsRange[1] * kFpsToApiScale); 1350 // Set this to the same value, but with higher priority 1351 newParams.setPreviewFrameRate( 1352 newParams.getPreviewFrameRate()); 1353 } 1354 1355 // PICTURE_SIZE 1356 newParams.getPictureSize(&validatedParams.pictureWidth, 1357 &validatedParams.pictureHeight); 1358 if (validatedParams.pictureWidth == pictureWidth || 1359 validatedParams.pictureHeight == pictureHeight) { 1360 camera_metadata_ro_entry_t availablePictureSizes = 1361 staticInfo(ANDROID_SCALER_AVAILABLE_JPEG_SIZES); 1362 for (i = 0; i < availablePictureSizes.count; i+=2) { 1363 if ((availablePictureSizes.data.i32[i] == 1364 validatedParams.pictureWidth) && 1365 (availablePictureSizes.data.i32[i+1] == 1366 validatedParams.pictureHeight)) break; 1367 } 1368 if (i == availablePictureSizes.count) { 1369 ALOGE("%s: Requested picture size %d x %d is not supported", 1370 __FUNCTION__, validatedParams.pictureWidth, 1371 validatedParams.pictureHeight); 1372 return BAD_VALUE; 1373 } 1374 } 1375 1376 // JPEG_THUMBNAIL_WIDTH/HEIGHT 1377 validatedParams.jpegThumbSize[0] = 1378 newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH); 1379 validatedParams.jpegThumbSize[1] = 1380 newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT); 1381 if (validatedParams.jpegThumbSize[0] != jpegThumbSize[0] || 1382 validatedParams.jpegThumbSize[1] != jpegThumbSize[1]) { 1383 camera_metadata_ro_entry_t availableJpegThumbSizes = 1384 staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES); 1385 for (i = 0; i < availableJpegThumbSizes.count; i+=2) { 1386 if ((availableJpegThumbSizes.data.i32[i] == 1387 validatedParams.jpegThumbSize[0]) && 1388 (availableJpegThumbSizes.data.i32[i+1] == 1389 validatedParams.jpegThumbSize[1])) break; 1390 } 1391 if (i == availableJpegThumbSizes.count) { 1392 ALOGE("%s: Requested JPEG thumbnail size %d x %d is not supported", 1393 __FUNCTION__, validatedParams.jpegThumbSize[0], 1394 validatedParams.jpegThumbSize[1]); 1395 return BAD_VALUE; 1396 } 1397 } 1398 1399 // JPEG_THUMBNAIL_QUALITY 1400 int quality = newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY); 1401 // also makes sure quality fits in uint8_t 1402 if (quality < 0 || quality > 100) { 1403 ALOGE("%s: Requested JPEG thumbnail quality %d is not supported", 1404 __FUNCTION__, quality); 1405 return BAD_VALUE; 1406 } 1407 validatedParams.jpegThumbQuality = quality; 1408 1409 // JPEG_QUALITY 1410 quality = newParams.getInt(CameraParameters::KEY_JPEG_QUALITY); 1411 // also makes sure quality fits in uint8_t 1412 if (quality < 0 || quality > 100) { 1413 ALOGE("%s: Requested JPEG quality %d is not supported", 1414 __FUNCTION__, quality); 1415 return BAD_VALUE; 1416 } 1417 validatedParams.jpegQuality = quality; 1418 1419 // ROTATION 1420 validatedParams.jpegRotation = 1421 newParams.getInt(CameraParameters::KEY_ROTATION); 1422 if (validatedParams.jpegRotation != 0 && 1423 validatedParams.jpegRotation != 90 && 1424 validatedParams.jpegRotation != 180 && 1425 validatedParams.jpegRotation != 270) { 1426 ALOGE("%s: Requested picture rotation angle %d is not supported", 1427 __FUNCTION__, validatedParams.jpegRotation); 1428 return BAD_VALUE; 1429 } 1430 1431 // GPS 1432 1433 const char *gpsLatStr = 1434 newParams.get(CameraParameters::KEY_GPS_LATITUDE); 1435 if (gpsLatStr != NULL) { 1436 const char *gpsLongStr = 1437 newParams.get(CameraParameters::KEY_GPS_LONGITUDE); 1438 const char *gpsAltitudeStr = 1439 newParams.get(CameraParameters::KEY_GPS_ALTITUDE); 1440 const char *gpsTimeStr = 1441 newParams.get(CameraParameters::KEY_GPS_TIMESTAMP); 1442 const char *gpsProcMethodStr = 1443 newParams.get(CameraParameters::KEY_GPS_PROCESSING_METHOD); 1444 if (gpsLongStr == NULL || 1445 gpsAltitudeStr == NULL || 1446 gpsTimeStr == NULL || 1447 gpsProcMethodStr == NULL) { 1448 ALOGE("%s: Incomplete set of GPS parameters provided", 1449 __FUNCTION__); 1450 return BAD_VALUE; 1451 } 1452 char *endPtr; 1453 errno = 0; 1454 validatedParams.gpsCoordinates[0] = strtod(gpsLatStr, &endPtr); 1455 if (errno || endPtr == gpsLatStr) { 1456 ALOGE("%s: Malformed GPS latitude: %s", __FUNCTION__, gpsLatStr); 1457 return BAD_VALUE; 1458 } 1459 errno = 0; 1460 validatedParams.gpsCoordinates[1] = strtod(gpsLongStr, &endPtr); 1461 if (errno || endPtr == gpsLongStr) { 1462 ALOGE("%s: Malformed GPS longitude: %s", __FUNCTION__, gpsLongStr); 1463 return BAD_VALUE; 1464 } 1465 errno = 0; 1466 validatedParams.gpsCoordinates[2] = strtod(gpsAltitudeStr, &endPtr); 1467 if (errno || endPtr == gpsAltitudeStr) { 1468 ALOGE("%s: Malformed GPS altitude: %s", __FUNCTION__, 1469 gpsAltitudeStr); 1470 return BAD_VALUE; 1471 } 1472 errno = 0; 1473 validatedParams.gpsTimestamp = strtoll(gpsTimeStr, &endPtr, 10); 1474 if (errno || endPtr == gpsTimeStr) { 1475 ALOGE("%s: Malformed GPS timestamp: %s", __FUNCTION__, gpsTimeStr); 1476 return BAD_VALUE; 1477 } 1478 validatedParams.gpsProcessingMethod = gpsProcMethodStr; 1479 1480 validatedParams.gpsEnabled = true; 1481 } else { 1482 validatedParams.gpsEnabled = false; 1483 } 1484 1485 // EFFECT 1486 validatedParams.effectMode = effectModeStringToEnum( 1487 newParams.get(CameraParameters::KEY_EFFECT) ); 1488 if (validatedParams.effectMode != effectMode) { 1489 camera_metadata_ro_entry_t availableEffectModes = 1490 staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS); 1491 for (i = 0; i < availableEffectModes.count; i++) { 1492 if (validatedParams.effectMode == availableEffectModes.data.u8[i]) break; 1493 } 1494 if (i == availableEffectModes.count) { 1495 ALOGE("%s: Requested effect mode \"%s\" is not supported", 1496 __FUNCTION__, 1497 newParams.get(CameraParameters::KEY_EFFECT) ); 1498 return BAD_VALUE; 1499 } 1500 } 1501 1502 // ANTIBANDING 1503 validatedParams.antibandingMode = abModeStringToEnum( 1504 newParams.get(CameraParameters::KEY_ANTIBANDING) ); 1505 if (validatedParams.antibandingMode != antibandingMode) { 1506 camera_metadata_ro_entry_t availableAbModes = 1507 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES); 1508 for (i = 0; i < availableAbModes.count; i++) { 1509 if (validatedParams.antibandingMode == availableAbModes.data.u8[i]) 1510 break; 1511 } 1512 if (i == availableAbModes.count) { 1513 ALOGE("%s: Requested antibanding mode \"%s\" is not supported", 1514 __FUNCTION__, 1515 newParams.get(CameraParameters::KEY_ANTIBANDING)); 1516 return BAD_VALUE; 1517 } 1518 } 1519 1520 // SCENE_MODE 1521 validatedParams.sceneMode = sceneModeStringToEnum( 1522 newParams.get(CameraParameters::KEY_SCENE_MODE) ); 1523 if (validatedParams.sceneMode != sceneMode && 1524 validatedParams.sceneMode != 1525 ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED) { 1526 camera_metadata_ro_entry_t availableSceneModes = 1527 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES); 1528 for (i = 0; i < availableSceneModes.count; i++) { 1529 if (validatedParams.sceneMode == availableSceneModes.data.u8[i]) 1530 break; 1531 } 1532 if (i == availableSceneModes.count) { 1533 ALOGE("%s: Requested scene mode \"%s\" is not supported", 1534 __FUNCTION__, 1535 newParams.get(CameraParameters::KEY_SCENE_MODE)); 1536 return BAD_VALUE; 1537 } 1538 } 1539 bool sceneModeSet = 1540 validatedParams.sceneMode != ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED; 1541 1542 // FLASH_MODE 1543 if (sceneModeSet) { 1544 validatedParams.flashMode = 1545 fastInfo.sceneModeOverrides. 1546 valueFor(validatedParams.sceneMode).flashMode; 1547 } else { 1548 validatedParams.flashMode = FLASH_MODE_INVALID; 1549 } 1550 if (validatedParams.flashMode == FLASH_MODE_INVALID) { 1551 validatedParams.flashMode = flashModeStringToEnum( 1552 newParams.get(CameraParameters::KEY_FLASH_MODE) ); 1553 } 1554 1555 if (validatedParams.flashMode != flashMode) { 1556 camera_metadata_ro_entry_t flashAvailable = 1557 staticInfo(ANDROID_FLASH_INFO_AVAILABLE, 1, 1); 1558 if (!flashAvailable.data.u8[0] && 1559 validatedParams.flashMode != Parameters::FLASH_MODE_OFF) { 1560 ALOGE("%s: Requested flash mode \"%s\" is not supported: " 1561 "No flash on device", __FUNCTION__, 1562 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1563 return BAD_VALUE; 1564 } else if (validatedParams.flashMode == Parameters::FLASH_MODE_RED_EYE) { 1565 camera_metadata_ro_entry_t availableAeModes = 1566 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES); 1567 for (i = 0; i < availableAeModes.count; i++) { 1568 if (validatedParams.flashMode == availableAeModes.data.u8[i]) 1569 break; 1570 } 1571 if (i == availableAeModes.count) { 1572 ALOGE("%s: Requested flash mode \"%s\" is not supported", 1573 __FUNCTION__, 1574 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1575 return BAD_VALUE; 1576 } 1577 } else if (validatedParams.flashMode == -1) { 1578 ALOGE("%s: Requested flash mode \"%s\" is unknown", 1579 __FUNCTION__, 1580 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1581 return BAD_VALUE; 1582 } 1583 // Update in case of override 1584 newParams.set(CameraParameters::KEY_FLASH_MODE, 1585 flashModeEnumToString(validatedParams.flashMode)); 1586 } 1587 1588 // WHITE_BALANCE 1589 if (sceneModeSet) { 1590 validatedParams.wbMode = 1591 fastInfo.sceneModeOverrides. 1592 valueFor(validatedParams.sceneMode).wbMode; 1593 } else { 1594 validatedParams.wbMode = ANDROID_CONTROL_AWB_MODE_OFF; 1595 } 1596 if (validatedParams.wbMode == ANDROID_CONTROL_AWB_MODE_OFF) { 1597 validatedParams.wbMode = wbModeStringToEnum( 1598 newParams.get(CameraParameters::KEY_WHITE_BALANCE) ); 1599 } 1600 if (validatedParams.wbMode != wbMode) { 1601 camera_metadata_ro_entry_t availableWbModes = 1602 staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 0, 0, false); 1603 for (i = 0; i < availableWbModes.count; i++) { 1604 if (validatedParams.wbMode == availableWbModes.data.u8[i]) break; 1605 } 1606 if (i == availableWbModes.count) { 1607 ALOGE("%s: Requested white balance mode %s is not supported", 1608 __FUNCTION__, 1609 newParams.get(CameraParameters::KEY_WHITE_BALANCE)); 1610 return BAD_VALUE; 1611 } 1612 // Update in case of override 1613 newParams.set(CameraParameters::KEY_WHITE_BALANCE, 1614 wbModeEnumToString(validatedParams.wbMode)); 1615 } 1616 1617 // FOCUS_MODE 1618 if (sceneModeSet) { 1619 validatedParams.focusMode = 1620 fastInfo.sceneModeOverrides. 1621 valueFor(validatedParams.sceneMode).focusMode; 1622 } else { 1623 validatedParams.focusMode = FOCUS_MODE_INVALID; 1624 } 1625 if (validatedParams.focusMode == FOCUS_MODE_INVALID) { 1626 validatedParams.focusMode = focusModeStringToEnum( 1627 newParams.get(CameraParameters::KEY_FOCUS_MODE) ); 1628 } 1629 if (validatedParams.focusMode != focusMode) { 1630 validatedParams.currentAfTriggerId = -1; 1631 if (validatedParams.focusMode != Parameters::FOCUS_MODE_FIXED) { 1632 camera_metadata_ro_entry_t minFocusDistance = 1633 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 0, 1634 false); 1635 if (minFocusDistance.count && minFocusDistance.data.f[0] == 0) { 1636 ALOGE("%s: Requested focus mode \"%s\" is not available: " 1637 "fixed focus lens", 1638 __FUNCTION__, 1639 newParams.get(CameraParameters::KEY_FOCUS_MODE)); 1640 return BAD_VALUE; 1641 } else if (validatedParams.focusMode != 1642 Parameters::FOCUS_MODE_INFINITY) { 1643 camera_metadata_ro_entry_t availableFocusModes = 1644 staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES); 1645 for (i = 0; i < availableFocusModes.count; i++) { 1646 if (validatedParams.focusMode == 1647 availableFocusModes.data.u8[i]) break; 1648 } 1649 if (i == availableFocusModes.count) { 1650 ALOGE("%s: Requested focus mode \"%s\" is not supported", 1651 __FUNCTION__, 1652 newParams.get(CameraParameters::KEY_FOCUS_MODE)); 1653 return BAD_VALUE; 1654 } 1655 } 1656 } 1657 validatedParams.focusState = ANDROID_CONTROL_AF_STATE_INACTIVE; 1658 // Always reset shadow focus mode to avoid reverting settings 1659 validatedParams.shadowFocusMode = FOCUS_MODE_INVALID; 1660 // Update in case of override 1661 newParams.set(CameraParameters::KEY_FOCUS_MODE, 1662 focusModeEnumToString(validatedParams.focusMode)); 1663 } else { 1664 validatedParams.currentAfTriggerId = currentAfTriggerId; 1665 } 1666 1667 // FOCUS_AREAS 1668 res = parseAreas(newParams.get(CameraParameters::KEY_FOCUS_AREAS), 1669 &validatedParams.focusingAreas); 1670 size_t max3aRegions = 1671 (size_t)staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1, 1).data.i32[0]; 1672 if (res == OK) res = validateAreas(validatedParams.focusingAreas, 1673 max3aRegions, AREA_KIND_FOCUS); 1674 if (res != OK) { 1675 ALOGE("%s: Requested focus areas are malformed: %s", 1676 __FUNCTION__, newParams.get(CameraParameters::KEY_FOCUS_AREAS)); 1677 return BAD_VALUE; 1678 } 1679 1680 // EXPOSURE_COMPENSATION 1681 validatedParams.exposureCompensation = 1682 newParams.getInt(CameraParameters::KEY_EXPOSURE_COMPENSATION); 1683 camera_metadata_ro_entry_t exposureCompensationRange = 1684 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_RANGE); 1685 if ((validatedParams.exposureCompensation < 1686 exposureCompensationRange.data.i32[0]) || 1687 (validatedParams.exposureCompensation > 1688 exposureCompensationRange.data.i32[1])) { 1689 ALOGE("%s: Requested exposure compensation index is out of bounds: %d", 1690 __FUNCTION__, validatedParams.exposureCompensation); 1691 return BAD_VALUE; 1692 } 1693 1694 // AUTO_EXPOSURE_LOCK (always supported) 1695 validatedParams.autoExposureLock = boolFromString( 1696 newParams.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK)); 1697 1698 // AUTO_WHITEBALANCE_LOCK (always supported) 1699 validatedParams.autoWhiteBalanceLock = boolFromString( 1700 newParams.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK)); 1701 1702 // METERING_AREAS 1703 res = parseAreas(newParams.get(CameraParameters::KEY_METERING_AREAS), 1704 &validatedParams.meteringAreas); 1705 if (res == OK) { 1706 res = validateAreas(validatedParams.meteringAreas, max3aRegions, 1707 AREA_KIND_METERING); 1708 } 1709 if (res != OK) { 1710 ALOGE("%s: Requested metering areas are malformed: %s", 1711 __FUNCTION__, 1712 newParams.get(CameraParameters::KEY_METERING_AREAS)); 1713 return BAD_VALUE; 1714 } 1715 1716 // ZOOM 1717 validatedParams.zoom = newParams.getInt(CameraParameters::KEY_ZOOM); 1718 if (validatedParams.zoom < 0 1719 || validatedParams.zoom >= (int)NUM_ZOOM_STEPS) { 1720 ALOGE("%s: Requested zoom level %d is not supported", 1721 __FUNCTION__, validatedParams.zoom); 1722 return BAD_VALUE; 1723 } 1724 1725 // VIDEO_SIZE 1726 newParams.getVideoSize(&validatedParams.videoWidth, 1727 &validatedParams.videoHeight); 1728 if (validatedParams.videoWidth != videoWidth || 1729 validatedParams.videoHeight != videoHeight) { 1730 if (state == RECORD) { 1731 ALOGE("%s: Video size cannot be updated when recording is active!", 1732 __FUNCTION__); 1733 return BAD_VALUE; 1734 } 1735 for (i = 0; i < availablePreviewSizes.size(); i++) { 1736 if ((availablePreviewSizes[i].width == 1737 validatedParams.videoWidth) && 1738 (availablePreviewSizes[i].height == 1739 validatedParams.videoHeight)) break; 1740 } 1741 if (i == availablePreviewSizes.size()) { 1742 ALOGE("%s: Requested video size %d x %d is not supported", 1743 __FUNCTION__, validatedParams.videoWidth, 1744 validatedParams.videoHeight); 1745 return BAD_VALUE; 1746 } 1747 } 1748 1749 // VIDEO_STABILIZATION 1750 validatedParams.videoStabilization = boolFromString( 1751 newParams.get(CameraParameters::KEY_VIDEO_STABILIZATION) ); 1752 camera_metadata_ro_entry_t availableVideoStabilizationModes = 1753 staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 0, 0, 1754 false); 1755 if (validatedParams.videoStabilization && 1756 availableVideoStabilizationModes.count == 1) { 1757 ALOGE("%s: Video stabilization not supported", __FUNCTION__); 1758 } 1759 1760 // LIGHTFX 1761 validatedParams.lightFx = lightFxStringToEnum( 1762 newParams.get(CameraParameters::KEY_LIGHTFX)); 1763 1764 /** Update internal parameters */ 1765 1766 *this = validatedParams; 1767 1768 /** Update external parameters calculated from the internal ones */ 1769 1770 // HORIZONTAL/VERTICAL FIELD OF VIEW 1771 float horizFov, vertFov; 1772 res = calculatePictureFovs(&horizFov, &vertFov); 1773 if (res != OK) { 1774 ALOGE("%s: Can't calculate FOVs", __FUNCTION__); 1775 // continue so parameters are at least consistent 1776 } 1777 newParams.setFloat(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, 1778 horizFov); 1779 newParams.setFloat(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, 1780 vertFov); 1781 ALOGV("Current still picture FOV: %f x %f deg", horizFov, vertFov); 1782 1783 // Need to flatten again in case of overrides 1784 paramsFlattened = newParams.flatten(); 1785 params = newParams; 1786 1787 return OK; 1788 } 1789 1790 status_t Parameters::updateRequest(CameraMetadata *request) const { 1791 ATRACE_CALL(); 1792 status_t res; 1793 1794 /** 1795 * Mixin default important security values 1796 * - android.led.transmit = defaulted ON 1797 */ 1798 camera_metadata_ro_entry_t entry = staticInfo(ANDROID_LED_AVAILABLE_LEDS, 1799 /*minimumCount*/0, 1800 /*maximumCount*/0, 1801 /*required*/false); 1802 for(size_t i = 0; i < entry.count; ++i) { 1803 uint8_t led = entry.data.u8[i]; 1804 1805 switch(led) { 1806 // Transmit LED is unconditionally on when using 1807 // the android.hardware.Camera API 1808 case ANDROID_LED_AVAILABLE_LEDS_TRANSMIT: { 1809 uint8_t transmitDefault = ANDROID_LED_TRANSMIT_ON; 1810 res = request->update(ANDROID_LED_TRANSMIT, 1811 &transmitDefault, 1); 1812 if (res != OK) return res; 1813 break; 1814 } 1815 } 1816 } 1817 1818 /** 1819 * Construct metadata from parameters 1820 */ 1821 1822 uint8_t metadataMode = ANDROID_REQUEST_METADATA_MODE_FULL; 1823 res = request->update(ANDROID_REQUEST_METADATA_MODE, 1824 &metadataMode, 1); 1825 if (res != OK) return res; 1826 1827 camera_metadata_entry_t intent = 1828 request->find(ANDROID_CONTROL_CAPTURE_INTENT); 1829 if (intent.data.u8[0] == ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE) { 1830 res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, 1831 fastInfo.bestStillCaptureFpsRange, 2); 1832 } else { 1833 res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, 1834 previewFpsRange, 2); 1835 } 1836 if (res != OK) return res; 1837 1838 uint8_t reqWbLock = autoWhiteBalanceLock ? 1839 ANDROID_CONTROL_AWB_LOCK_ON : ANDROID_CONTROL_AWB_LOCK_OFF; 1840 res = request->update(ANDROID_CONTROL_AWB_LOCK, 1841 &reqWbLock, 1); 1842 1843 res = request->update(ANDROID_CONTROL_EFFECT_MODE, 1844 &effectMode, 1); 1845 if (res != OK) return res; 1846 res = request->update(ANDROID_CONTROL_AE_ANTIBANDING_MODE, 1847 &antibandingMode, 1); 1848 if (res != OK) return res; 1849 1850 // android.hardware.Camera requires that when face detect is enabled, the 1851 // camera is in a face-priority mode. HAL2 splits this into separate parts 1852 // (face detection statistics and face priority scene mode). Map from other 1853 // to the other. 1854 bool sceneModeActive = 1855 sceneMode != (uint8_t)ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED; 1856 uint8_t reqControlMode = ANDROID_CONTROL_MODE_AUTO; 1857 if (enableFaceDetect || sceneModeActive) { 1858 reqControlMode = ANDROID_CONTROL_MODE_USE_SCENE_MODE; 1859 } 1860 res = request->update(ANDROID_CONTROL_MODE, 1861 &reqControlMode, 1); 1862 if (res != OK) return res; 1863 1864 uint8_t reqSceneMode = 1865 sceneModeActive ? sceneMode : 1866 enableFaceDetect ? (uint8_t)ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY : 1867 (uint8_t)ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED; 1868 res = request->update(ANDROID_CONTROL_SCENE_MODE, 1869 &reqSceneMode, 1); 1870 if (res != OK) return res; 1871 1872 uint8_t reqFlashMode = ANDROID_FLASH_MODE_OFF; 1873 uint8_t reqAeMode = ANDROID_CONTROL_AE_MODE_OFF; 1874 switch (flashMode) { 1875 case Parameters::FLASH_MODE_OFF: 1876 reqAeMode = ANDROID_CONTROL_AE_MODE_ON; break; 1877 case Parameters::FLASH_MODE_AUTO: 1878 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH; break; 1879 case Parameters::FLASH_MODE_ON: 1880 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH; break; 1881 case Parameters::FLASH_MODE_TORCH: 1882 reqAeMode = ANDROID_CONTROL_AE_MODE_ON; 1883 reqFlashMode = ANDROID_FLASH_MODE_TORCH; 1884 break; 1885 case Parameters::FLASH_MODE_RED_EYE: 1886 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE; break; 1887 default: 1888 ALOGE("%s: Camera %d: Unknown flash mode %d", __FUNCTION__, 1889 cameraId, flashMode); 1890 return BAD_VALUE; 1891 } 1892 res = request->update(ANDROID_FLASH_MODE, 1893 &reqFlashMode, 1); 1894 if (res != OK) return res; 1895 res = request->update(ANDROID_CONTROL_AE_MODE, 1896 &reqAeMode, 1); 1897 if (res != OK) return res; 1898 1899 uint8_t reqAeLock = autoExposureLock ? 1900 ANDROID_CONTROL_AE_LOCK_ON : ANDROID_CONTROL_AE_LOCK_OFF; 1901 res = request->update(ANDROID_CONTROL_AE_LOCK, 1902 &reqAeLock, 1); 1903 if (res != OK) return res; 1904 1905 res = request->update(ANDROID_CONTROL_AWB_MODE, 1906 &wbMode, 1); 1907 if (res != OK) return res; 1908 1909 float reqFocusDistance = 0; // infinity focus in diopters 1910 uint8_t reqFocusMode = ANDROID_CONTROL_AF_MODE_OFF; 1911 switch (focusMode) { 1912 case Parameters::FOCUS_MODE_AUTO: 1913 case Parameters::FOCUS_MODE_MACRO: 1914 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 1915 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 1916 case Parameters::FOCUS_MODE_EDOF: 1917 reqFocusMode = focusMode; 1918 break; 1919 case Parameters::FOCUS_MODE_INFINITY: 1920 case Parameters::FOCUS_MODE_FIXED: 1921 reqFocusMode = ANDROID_CONTROL_AF_MODE_OFF; 1922 break; 1923 default: 1924 ALOGE("%s: Camera %d: Unknown focus mode %d", __FUNCTION__, 1925 cameraId, focusMode); 1926 return BAD_VALUE; 1927 } 1928 res = request->update(ANDROID_LENS_FOCUS_DISTANCE, 1929 &reqFocusDistance, 1); 1930 if (res != OK) return res; 1931 res = request->update(ANDROID_CONTROL_AF_MODE, 1932 &reqFocusMode, 1); 1933 if (res != OK) return res; 1934 1935 size_t reqFocusingAreasSize = focusingAreas.size() * 5; 1936 int32_t *reqFocusingAreas = new int32_t[reqFocusingAreasSize]; 1937 for (size_t i = 0, j = 0; i < reqFocusingAreasSize; i += 5, j++) { 1938 if (focusingAreas[j].weight != 0) { 1939 reqFocusingAreas[i + 0] = 1940 normalizedXToArray(focusingAreas[j].left); 1941 reqFocusingAreas[i + 1] = 1942 normalizedYToArray(focusingAreas[j].top); 1943 reqFocusingAreas[i + 2] = 1944 normalizedXToArray(focusingAreas[j].right); 1945 reqFocusingAreas[i + 3] = 1946 normalizedYToArray(focusingAreas[j].bottom); 1947 } else { 1948 reqFocusingAreas[i + 0] = 0; 1949 reqFocusingAreas[i + 1] = 0; 1950 reqFocusingAreas[i + 2] = 0; 1951 reqFocusingAreas[i + 3] = 0; 1952 } 1953 reqFocusingAreas[i + 4] = focusingAreas[j].weight; 1954 } 1955 res = request->update(ANDROID_CONTROL_AF_REGIONS, 1956 reqFocusingAreas, reqFocusingAreasSize); 1957 if (res != OK) return res; 1958 delete[] reqFocusingAreas; 1959 1960 res = request->update(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, 1961 &exposureCompensation, 1); 1962 if (res != OK) return res; 1963 1964 size_t reqMeteringAreasSize = meteringAreas.size() * 5; 1965 int32_t *reqMeteringAreas = new int32_t[reqMeteringAreasSize]; 1966 for (size_t i = 0, j = 0; i < reqMeteringAreasSize; i += 5, j++) { 1967 if (meteringAreas[j].weight != 0) { 1968 reqMeteringAreas[i + 0] = 1969 normalizedXToArray(meteringAreas[j].left); 1970 reqMeteringAreas[i + 1] = 1971 normalizedYToArray(meteringAreas[j].top); 1972 reqMeteringAreas[i + 2] = 1973 normalizedXToArray(meteringAreas[j].right); 1974 reqMeteringAreas[i + 3] = 1975 normalizedYToArray(meteringAreas[j].bottom); 1976 } else { 1977 reqMeteringAreas[i + 0] = 0; 1978 reqMeteringAreas[i + 1] = 0; 1979 reqMeteringAreas[i + 2] = 0; 1980 reqMeteringAreas[i + 3] = 0; 1981 } 1982 reqMeteringAreas[i + 4] = meteringAreas[j].weight; 1983 } 1984 res = request->update(ANDROID_CONTROL_AE_REGIONS, 1985 reqMeteringAreas, reqMeteringAreasSize); 1986 if (res != OK) return res; 1987 1988 delete[] reqMeteringAreas; 1989 1990 /* don't include jpeg thumbnail size - it's valid for 1991 it to be set to (0,0), meaning 'no thumbnail' */ 1992 CropRegion crop = calculateCropRegion( (CropRegion::Outputs)( 1993 CropRegion::OUTPUT_PREVIEW | 1994 CropRegion::OUTPUT_VIDEO | 1995 CropRegion::OUTPUT_PICTURE )); 1996 int32_t reqCropRegion[4] = { 1997 static_cast<int32_t>(crop.left), 1998 static_cast<int32_t>(crop.top), 1999 static_cast<int32_t>(crop.width), 2000 static_cast<int32_t>(crop.height) 2001 }; 2002 res = request->update(ANDROID_SCALER_CROP_REGION, 2003 reqCropRegion, 4); 2004 if (res != OK) return res; 2005 2006 uint8_t reqVstabMode = videoStabilization ? 2007 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_ON : 2008 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF; 2009 res = request->update(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, 2010 &reqVstabMode, 1); 2011 if (res != OK) return res; 2012 2013 uint8_t reqFaceDetectMode = enableFaceDetect ? 2014 fastInfo.bestFaceDetectMode : 2015 (uint8_t)ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 2016 res = request->update(ANDROID_STATISTICS_FACE_DETECT_MODE, 2017 &reqFaceDetectMode, 1); 2018 if (res != OK) return res; 2019 2020 return OK; 2021 } 2022 2023 status_t Parameters::updateRequestJpeg(CameraMetadata *request) const { 2024 status_t res; 2025 2026 res = request->update(ANDROID_JPEG_THUMBNAIL_SIZE, 2027 jpegThumbSize, 2); 2028 if (res != OK) return res; 2029 res = request->update(ANDROID_JPEG_THUMBNAIL_QUALITY, 2030 &jpegThumbQuality, 1); 2031 if (res != OK) return res; 2032 res = request->update(ANDROID_JPEG_QUALITY, 2033 &jpegQuality, 1); 2034 if (res != OK) return res; 2035 res = request->update( 2036 ANDROID_JPEG_ORIENTATION, 2037 &jpegRotation, 1); 2038 if (res != OK) return res; 2039 2040 if (gpsEnabled) { 2041 res = request->update( 2042 ANDROID_JPEG_GPS_COORDINATES, 2043 gpsCoordinates, 3); 2044 if (res != OK) return res; 2045 res = request->update( 2046 ANDROID_JPEG_GPS_TIMESTAMP, 2047 &gpsTimestamp, 1); 2048 if (res != OK) return res; 2049 res = request->update( 2050 ANDROID_JPEG_GPS_PROCESSING_METHOD, 2051 gpsProcessingMethod); 2052 if (res != OK) return res; 2053 } else { 2054 res = request->erase(ANDROID_JPEG_GPS_COORDINATES); 2055 if (res != OK) return res; 2056 res = request->erase(ANDROID_JPEG_GPS_TIMESTAMP); 2057 if (res != OK) return res; 2058 res = request->erase(ANDROID_JPEG_GPS_PROCESSING_METHOD); 2059 if (res != OK) return res; 2060 } 2061 return OK; 2062 } 2063 2064 2065 const char* Parameters::getStateName(State state) { 2066 #define CASE_ENUM_TO_CHAR(x) case x: return(#x); break; 2067 switch(state) { 2068 CASE_ENUM_TO_CHAR(DISCONNECTED) 2069 CASE_ENUM_TO_CHAR(STOPPED) 2070 CASE_ENUM_TO_CHAR(WAITING_FOR_PREVIEW_WINDOW) 2071 CASE_ENUM_TO_CHAR(PREVIEW) 2072 CASE_ENUM_TO_CHAR(RECORD) 2073 CASE_ENUM_TO_CHAR(STILL_CAPTURE) 2074 CASE_ENUM_TO_CHAR(VIDEO_SNAPSHOT) 2075 default: 2076 return "Unknown state!"; 2077 break; 2078 } 2079 #undef CASE_ENUM_TO_CHAR 2080 } 2081 2082 int Parameters::formatStringToEnum(const char *format) { 2083 return 2084 !format ? 2085 HAL_PIXEL_FORMAT_YCrCb_420_SP : 2086 !strcmp(format, CameraParameters::PIXEL_FORMAT_YUV422SP) ? 2087 HAL_PIXEL_FORMAT_YCbCr_422_SP : // NV16 2088 !strcmp(format, CameraParameters::PIXEL_FORMAT_YUV420SP) ? 2089 HAL_PIXEL_FORMAT_YCrCb_420_SP : // NV21 2090 !strcmp(format, CameraParameters::PIXEL_FORMAT_YUV422I) ? 2091 HAL_PIXEL_FORMAT_YCbCr_422_I : // YUY2 2092 !strcmp(format, CameraParameters::PIXEL_FORMAT_YUV420P) ? 2093 HAL_PIXEL_FORMAT_YV12 : // YV12 2094 !strcmp(format, CameraParameters::PIXEL_FORMAT_RGB565) ? 2095 HAL_PIXEL_FORMAT_RGB_565 : // RGB565 2096 !strcmp(format, CameraParameters::PIXEL_FORMAT_RGBA8888) ? 2097 HAL_PIXEL_FORMAT_RGBA_8888 : // RGB8888 2098 !strcmp(format, CameraParameters::PIXEL_FORMAT_BAYER_RGGB) ? 2099 HAL_PIXEL_FORMAT_RAW_SENSOR : // Raw sensor data 2100 -1; 2101 } 2102 2103 const char* Parameters::formatEnumToString(int format) { 2104 const char *fmt; 2105 switch(format) { 2106 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 2107 fmt = CameraParameters::PIXEL_FORMAT_YUV422SP; 2108 break; 2109 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 2110 fmt = CameraParameters::PIXEL_FORMAT_YUV420SP; 2111 break; 2112 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 2113 fmt = CameraParameters::PIXEL_FORMAT_YUV422I; 2114 break; 2115 case HAL_PIXEL_FORMAT_YV12: // YV12 2116 fmt = CameraParameters::PIXEL_FORMAT_YUV420P; 2117 break; 2118 case HAL_PIXEL_FORMAT_RGB_565: // RGB565 2119 fmt = CameraParameters::PIXEL_FORMAT_RGB565; 2120 break; 2121 case HAL_PIXEL_FORMAT_RGBA_8888: // RGBA8888 2122 fmt = CameraParameters::PIXEL_FORMAT_RGBA8888; 2123 break; 2124 case HAL_PIXEL_FORMAT_RAW_SENSOR: 2125 ALOGW("Raw sensor preview format requested."); 2126 fmt = CameraParameters::PIXEL_FORMAT_BAYER_RGGB; 2127 break; 2128 default: 2129 ALOGE("%s: Unknown preview format: %x", 2130 __FUNCTION__, format); 2131 fmt = NULL; 2132 break; 2133 } 2134 return fmt; 2135 } 2136 2137 int Parameters::wbModeStringToEnum(const char *wbMode) { 2138 return 2139 !wbMode ? 2140 ANDROID_CONTROL_AWB_MODE_AUTO : 2141 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_AUTO) ? 2142 ANDROID_CONTROL_AWB_MODE_AUTO : 2143 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_INCANDESCENT) ? 2144 ANDROID_CONTROL_AWB_MODE_INCANDESCENT : 2145 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_FLUORESCENT) ? 2146 ANDROID_CONTROL_AWB_MODE_FLUORESCENT : 2147 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT) ? 2148 ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT : 2149 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_DAYLIGHT) ? 2150 ANDROID_CONTROL_AWB_MODE_DAYLIGHT : 2151 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT) ? 2152 ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT : 2153 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_TWILIGHT) ? 2154 ANDROID_CONTROL_AWB_MODE_TWILIGHT : 2155 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_SHADE) ? 2156 ANDROID_CONTROL_AWB_MODE_SHADE : 2157 -1; 2158 } 2159 2160 const char* Parameters::wbModeEnumToString(uint8_t wbMode) { 2161 switch (wbMode) { 2162 case ANDROID_CONTROL_AWB_MODE_AUTO: 2163 return CameraParameters::WHITE_BALANCE_AUTO; 2164 case ANDROID_CONTROL_AWB_MODE_INCANDESCENT: 2165 return CameraParameters::WHITE_BALANCE_INCANDESCENT; 2166 case ANDROID_CONTROL_AWB_MODE_FLUORESCENT: 2167 return CameraParameters::WHITE_BALANCE_FLUORESCENT; 2168 case ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT: 2169 return CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT; 2170 case ANDROID_CONTROL_AWB_MODE_DAYLIGHT: 2171 return CameraParameters::WHITE_BALANCE_DAYLIGHT; 2172 case ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT: 2173 return CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT; 2174 case ANDROID_CONTROL_AWB_MODE_TWILIGHT: 2175 return CameraParameters::WHITE_BALANCE_TWILIGHT; 2176 case ANDROID_CONTROL_AWB_MODE_SHADE: 2177 return CameraParameters::WHITE_BALANCE_SHADE; 2178 default: 2179 ALOGE("%s: Unknown AWB mode enum: %d", 2180 __FUNCTION__, wbMode); 2181 return "unknown"; 2182 } 2183 } 2184 2185 int Parameters::effectModeStringToEnum(const char *effectMode) { 2186 return 2187 !effectMode ? 2188 ANDROID_CONTROL_EFFECT_MODE_OFF : 2189 !strcmp(effectMode, CameraParameters::EFFECT_NONE) ? 2190 ANDROID_CONTROL_EFFECT_MODE_OFF : 2191 !strcmp(effectMode, CameraParameters::EFFECT_MONO) ? 2192 ANDROID_CONTROL_EFFECT_MODE_MONO : 2193 !strcmp(effectMode, CameraParameters::EFFECT_NEGATIVE) ? 2194 ANDROID_CONTROL_EFFECT_MODE_NEGATIVE : 2195 !strcmp(effectMode, CameraParameters::EFFECT_SOLARIZE) ? 2196 ANDROID_CONTROL_EFFECT_MODE_SOLARIZE : 2197 !strcmp(effectMode, CameraParameters::EFFECT_SEPIA) ? 2198 ANDROID_CONTROL_EFFECT_MODE_SEPIA : 2199 !strcmp(effectMode, CameraParameters::EFFECT_POSTERIZE) ? 2200 ANDROID_CONTROL_EFFECT_MODE_POSTERIZE : 2201 !strcmp(effectMode, CameraParameters::EFFECT_WHITEBOARD) ? 2202 ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD : 2203 !strcmp(effectMode, CameraParameters::EFFECT_BLACKBOARD) ? 2204 ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD : 2205 !strcmp(effectMode, CameraParameters::EFFECT_AQUA) ? 2206 ANDROID_CONTROL_EFFECT_MODE_AQUA : 2207 -1; 2208 } 2209 2210 int Parameters::abModeStringToEnum(const char *abMode) { 2211 return 2212 !abMode ? 2213 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO : 2214 !strcmp(abMode, CameraParameters::ANTIBANDING_AUTO) ? 2215 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO : 2216 !strcmp(abMode, CameraParameters::ANTIBANDING_OFF) ? 2217 ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF : 2218 !strcmp(abMode, CameraParameters::ANTIBANDING_50HZ) ? 2219 ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ : 2220 !strcmp(abMode, CameraParameters::ANTIBANDING_60HZ) ? 2221 ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ : 2222 -1; 2223 } 2224 2225 int Parameters::sceneModeStringToEnum(const char *sceneMode) { 2226 return 2227 !sceneMode ? 2228 ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED : 2229 !strcmp(sceneMode, CameraParameters::SCENE_MODE_AUTO) ? 2230 ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED : 2231 !strcmp(sceneMode, CameraParameters::SCENE_MODE_ACTION) ? 2232 ANDROID_CONTROL_SCENE_MODE_ACTION : 2233 !strcmp(sceneMode, CameraParameters::SCENE_MODE_PORTRAIT) ? 2234 ANDROID_CONTROL_SCENE_MODE_PORTRAIT : 2235 !strcmp(sceneMode, CameraParameters::SCENE_MODE_LANDSCAPE) ? 2236 ANDROID_CONTROL_SCENE_MODE_LANDSCAPE : 2237 !strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT) ? 2238 ANDROID_CONTROL_SCENE_MODE_NIGHT : 2239 !strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT_PORTRAIT) ? 2240 ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT : 2241 !strcmp(sceneMode, CameraParameters::SCENE_MODE_THEATRE) ? 2242 ANDROID_CONTROL_SCENE_MODE_THEATRE : 2243 !strcmp(sceneMode, CameraParameters::SCENE_MODE_BEACH) ? 2244 ANDROID_CONTROL_SCENE_MODE_BEACH : 2245 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SNOW) ? 2246 ANDROID_CONTROL_SCENE_MODE_SNOW : 2247 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SUNSET) ? 2248 ANDROID_CONTROL_SCENE_MODE_SUNSET : 2249 !strcmp(sceneMode, CameraParameters::SCENE_MODE_STEADYPHOTO) ? 2250 ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO : 2251 !strcmp(sceneMode, CameraParameters::SCENE_MODE_FIREWORKS) ? 2252 ANDROID_CONTROL_SCENE_MODE_FIREWORKS : 2253 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SPORTS) ? 2254 ANDROID_CONTROL_SCENE_MODE_SPORTS : 2255 !strcmp(sceneMode, CameraParameters::SCENE_MODE_PARTY) ? 2256 ANDROID_CONTROL_SCENE_MODE_PARTY : 2257 !strcmp(sceneMode, CameraParameters::SCENE_MODE_CANDLELIGHT) ? 2258 ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT : 2259 !strcmp(sceneMode, CameraParameters::SCENE_MODE_BARCODE) ? 2260 ANDROID_CONTROL_SCENE_MODE_BARCODE: 2261 -1; 2262 } 2263 2264 Parameters::Parameters::flashMode_t Parameters::flashModeStringToEnum( 2265 const char *flashMode) { 2266 return 2267 !flashMode ? 2268 Parameters::FLASH_MODE_INVALID : 2269 !strcmp(flashMode, CameraParameters::FLASH_MODE_OFF) ? 2270 Parameters::FLASH_MODE_OFF : 2271 !strcmp(flashMode, CameraParameters::FLASH_MODE_AUTO) ? 2272 Parameters::FLASH_MODE_AUTO : 2273 !strcmp(flashMode, CameraParameters::FLASH_MODE_ON) ? 2274 Parameters::FLASH_MODE_ON : 2275 !strcmp(flashMode, CameraParameters::FLASH_MODE_RED_EYE) ? 2276 Parameters::FLASH_MODE_RED_EYE : 2277 !strcmp(flashMode, CameraParameters::FLASH_MODE_TORCH) ? 2278 Parameters::FLASH_MODE_TORCH : 2279 Parameters::FLASH_MODE_INVALID; 2280 } 2281 2282 const char *Parameters::flashModeEnumToString(flashMode_t flashMode) { 2283 switch (flashMode) { 2284 case FLASH_MODE_OFF: 2285 return CameraParameters::FLASH_MODE_OFF; 2286 case FLASH_MODE_AUTO: 2287 return CameraParameters::FLASH_MODE_AUTO; 2288 case FLASH_MODE_ON: 2289 return CameraParameters::FLASH_MODE_ON; 2290 case FLASH_MODE_RED_EYE: 2291 return CameraParameters::FLASH_MODE_RED_EYE; 2292 case FLASH_MODE_TORCH: 2293 return CameraParameters::FLASH_MODE_TORCH; 2294 default: 2295 ALOGE("%s: Unknown flash mode enum %d", 2296 __FUNCTION__, flashMode); 2297 return "unknown"; 2298 } 2299 } 2300 2301 Parameters::Parameters::focusMode_t Parameters::focusModeStringToEnum( 2302 const char *focusMode) { 2303 return 2304 !focusMode ? 2305 Parameters::FOCUS_MODE_INVALID : 2306 !strcmp(focusMode, CameraParameters::FOCUS_MODE_AUTO) ? 2307 Parameters::FOCUS_MODE_AUTO : 2308 !strcmp(focusMode, CameraParameters::FOCUS_MODE_INFINITY) ? 2309 Parameters::FOCUS_MODE_INFINITY : 2310 !strcmp(focusMode, CameraParameters::FOCUS_MODE_MACRO) ? 2311 Parameters::FOCUS_MODE_MACRO : 2312 !strcmp(focusMode, CameraParameters::FOCUS_MODE_FIXED) ? 2313 Parameters::FOCUS_MODE_FIXED : 2314 !strcmp(focusMode, CameraParameters::FOCUS_MODE_EDOF) ? 2315 Parameters::FOCUS_MODE_EDOF : 2316 !strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO) ? 2317 Parameters::FOCUS_MODE_CONTINUOUS_VIDEO : 2318 !strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE) ? 2319 Parameters::FOCUS_MODE_CONTINUOUS_PICTURE : 2320 Parameters::FOCUS_MODE_INVALID; 2321 } 2322 2323 const char *Parameters::focusModeEnumToString(focusMode_t focusMode) { 2324 switch (focusMode) { 2325 case FOCUS_MODE_AUTO: 2326 return CameraParameters::FOCUS_MODE_AUTO; 2327 case FOCUS_MODE_MACRO: 2328 return CameraParameters::FOCUS_MODE_MACRO; 2329 case FOCUS_MODE_CONTINUOUS_VIDEO: 2330 return CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO; 2331 case FOCUS_MODE_CONTINUOUS_PICTURE: 2332 return CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE; 2333 case FOCUS_MODE_EDOF: 2334 return CameraParameters::FOCUS_MODE_EDOF; 2335 case FOCUS_MODE_INFINITY: 2336 return CameraParameters::FOCUS_MODE_INFINITY; 2337 case FOCUS_MODE_FIXED: 2338 return CameraParameters::FOCUS_MODE_FIXED; 2339 default: 2340 ALOGE("%s: Unknown focus mode enum: %d", 2341 __FUNCTION__, focusMode); 2342 return "unknown"; 2343 } 2344 } 2345 2346 Parameters::Parameters::lightFxMode_t Parameters::lightFxStringToEnum( 2347 const char *lightFxMode) { 2348 return 2349 !lightFxMode ? 2350 Parameters::LIGHTFX_NONE : 2351 !strcmp(lightFxMode, CameraParameters::LIGHTFX_LOWLIGHT) ? 2352 Parameters::LIGHTFX_LOWLIGHT : 2353 !strcmp(lightFxMode, CameraParameters::LIGHTFX_HDR) ? 2354 Parameters::LIGHTFX_HDR : 2355 Parameters::LIGHTFX_NONE; 2356 } 2357 2358 status_t Parameters::parseAreas(const char *areasCStr, 2359 Vector<Parameters::Area> *areas) { 2360 static const size_t NUM_FIELDS = 5; 2361 areas->clear(); 2362 if (areasCStr == NULL) { 2363 // If no key exists, use default (0,0,0,0,0) 2364 areas->push(); 2365 return OK; 2366 } 2367 String8 areasStr(areasCStr); 2368 ssize_t areaStart = areasStr.find("(", 0) + 1; 2369 while (areaStart != 0) { 2370 const char* area = areasStr.string() + areaStart; 2371 char *numEnd; 2372 int vals[NUM_FIELDS]; 2373 for (size_t i = 0; i < NUM_FIELDS; i++) { 2374 errno = 0; 2375 vals[i] = strtol(area, &numEnd, 10); 2376 if (errno || numEnd == area) return BAD_VALUE; 2377 area = numEnd + 1; 2378 } 2379 areas->push(Parameters::Area( 2380 vals[0], vals[1], vals[2], vals[3], vals[4]) ); 2381 areaStart = areasStr.find("(", areaStart) + 1; 2382 } 2383 return OK; 2384 } 2385 2386 status_t Parameters::validateAreas(const Vector<Parameters::Area> &areas, 2387 size_t maxRegions, 2388 AreaKind areaKind) const { 2389 // Definition of valid area can be found in 2390 // include/camera/CameraParameters.h 2391 if (areas.size() == 0) return BAD_VALUE; 2392 if (areas.size() == 1) { 2393 if (areas[0].left == 0 && 2394 areas[0].top == 0 && 2395 areas[0].right == 0 && 2396 areas[0].bottom == 0 && 2397 areas[0].weight == 0) { 2398 // Single (0,0,0,0,0) entry is always valid (== driver decides) 2399 return OK; 2400 } 2401 } 2402 2403 // fixed focus can only set (0,0,0,0,0) focus area 2404 if (areaKind == AREA_KIND_FOCUS && focusMode == FOCUS_MODE_FIXED) { 2405 return BAD_VALUE; 2406 } 2407 2408 if (areas.size() > maxRegions) { 2409 ALOGE("%s: Too many areas requested: %d", 2410 __FUNCTION__, areas.size()); 2411 return BAD_VALUE; 2412 } 2413 2414 for (Vector<Parameters::Area>::const_iterator a = areas.begin(); 2415 a != areas.end(); a++) { 2416 if (a->weight < 1 || a->weight > 1000) return BAD_VALUE; 2417 if (a->left < -1000 || a->left > 1000) return BAD_VALUE; 2418 if (a->top < -1000 || a->top > 1000) return BAD_VALUE; 2419 if (a->right < -1000 || a->right > 1000) return BAD_VALUE; 2420 if (a->bottom < -1000 || a->bottom > 1000) return BAD_VALUE; 2421 if (a->left >= a->right) return BAD_VALUE; 2422 if (a->top >= a->bottom) return BAD_VALUE; 2423 } 2424 return OK; 2425 } 2426 2427 bool Parameters::boolFromString(const char *boolStr) { 2428 return !boolStr ? false : 2429 !strcmp(boolStr, CameraParameters::TRUE) ? true : 2430 false; 2431 } 2432 2433 int Parameters::degToTransform(int degrees, bool mirror) { 2434 if (!mirror) { 2435 if (degrees == 0) return 0; 2436 else if (degrees == 90) return HAL_TRANSFORM_ROT_90; 2437 else if (degrees == 180) return HAL_TRANSFORM_ROT_180; 2438 else if (degrees == 270) return HAL_TRANSFORM_ROT_270; 2439 } else { // Do mirror (horizontal flip) 2440 if (degrees == 0) { // FLIP_H and ROT_0 2441 return HAL_TRANSFORM_FLIP_H; 2442 } else if (degrees == 90) { // FLIP_H and ROT_90 2443 return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90; 2444 } else if (degrees == 180) { // FLIP_H and ROT_180 2445 return HAL_TRANSFORM_FLIP_V; 2446 } else if (degrees == 270) { // FLIP_H and ROT_270 2447 return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90; 2448 } 2449 } 2450 ALOGE("%s: Bad input: %d", __FUNCTION__, degrees); 2451 return -1; 2452 } 2453 2454 int Parameters::cropXToArray(int x) const { 2455 ALOG_ASSERT(x >= 0, "Crop-relative X coordinate = '%d' is out of bounds" 2456 "(lower = 0)", x); 2457 2458 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2459 ALOG_ASSERT(x < previewCrop.width, "Crop-relative X coordinate = '%d' " 2460 "is out of bounds (upper = %f)", x, previewCrop.width); 2461 2462 int ret = x + previewCrop.left; 2463 2464 ALOG_ASSERT( (ret >= 0 && ret < fastInfo.arrayWidth), 2465 "Calculated pixel array value X = '%d' is out of bounds (upper = %d)", 2466 ret, fastInfo.arrayWidth); 2467 return ret; 2468 } 2469 2470 int Parameters::cropYToArray(int y) const { 2471 ALOG_ASSERT(y >= 0, "Crop-relative Y coordinate = '%d' is out of bounds " 2472 "(lower = 0)", y); 2473 2474 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2475 ALOG_ASSERT(y < previewCrop.height, "Crop-relative Y coordinate = '%d' is " 2476 "out of bounds (upper = %f)", y, previewCrop.height); 2477 2478 int ret = y + previewCrop.top; 2479 2480 ALOG_ASSERT( (ret >= 0 && ret < fastInfo.arrayHeight), 2481 "Calculated pixel array value Y = '%d' is out of bounds (upper = %d)", 2482 ret, fastInfo.arrayHeight); 2483 2484 return ret; 2485 2486 } 2487 2488 int Parameters::normalizedXToCrop(int x) const { 2489 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2490 return (x + 1000) * (previewCrop.width - 1) / 2000; 2491 } 2492 2493 int Parameters::normalizedYToCrop(int y) const { 2494 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2495 return (y + 1000) * (previewCrop.height - 1) / 2000; 2496 } 2497 2498 int Parameters::arrayXToCrop(int x) const { 2499 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2500 return x - previewCrop.left; 2501 } 2502 2503 int Parameters::arrayYToCrop(int y) const { 2504 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2505 return y - previewCrop.top; 2506 } 2507 2508 int Parameters::cropXToNormalized(int x) const { 2509 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2510 return x * 2000 / (previewCrop.width - 1) - 1000; 2511 } 2512 2513 int Parameters::cropYToNormalized(int y) const { 2514 CropRegion previewCrop = calculateCropRegion(CropRegion::OUTPUT_PREVIEW); 2515 return y * 2000 / (previewCrop.height - 1) - 1000; 2516 } 2517 2518 int Parameters::arrayXToNormalized(int width) const { 2519 int ret = cropXToNormalized(arrayXToCrop(width)); 2520 2521 ALOG_ASSERT(ret >= -1000, "Calculated normalized value out of " 2522 "lower bounds %d", ret); 2523 ALOG_ASSERT(ret <= 1000, "Calculated normalized value out of " 2524 "upper bounds %d", ret); 2525 2526 // Work-around for HAL pre-scaling the coordinates themselves 2527 if (quirks.meteringCropRegion) { 2528 return width * 2000 / (fastInfo.arrayWidth - 1) - 1000; 2529 } 2530 2531 return ret; 2532 } 2533 2534 int Parameters::arrayYToNormalized(int height) const { 2535 int ret = cropYToNormalized(arrayYToCrop(height)); 2536 2537 ALOG_ASSERT(ret >= -1000, "Calculated normalized value out of lower bounds" 2538 " %d", ret); 2539 ALOG_ASSERT(ret <= 1000, "Calculated normalized value out of upper bounds" 2540 " %d", ret); 2541 2542 // Work-around for HAL pre-scaling the coordinates themselves 2543 if (quirks.meteringCropRegion) { 2544 return height * 2000 / (fastInfo.arrayHeight - 1) - 1000; 2545 } 2546 2547 return ret; 2548 } 2549 2550 int Parameters::normalizedXToArray(int x) const { 2551 2552 // Work-around for HAL pre-scaling the coordinates themselves 2553 if (quirks.meteringCropRegion) { 2554 return (x + 1000) * (fastInfo.arrayWidth - 1) / 2000; 2555 } 2556 2557 return cropXToArray(normalizedXToCrop(x)); 2558 } 2559 2560 int Parameters::normalizedYToArray(int y) const { 2561 // Work-around for HAL pre-scaling the coordinates themselves 2562 if (quirks.meteringCropRegion) { 2563 return (y + 1000) * (fastInfo.arrayHeight - 1) / 2000; 2564 } 2565 2566 return cropYToArray(normalizedYToCrop(y)); 2567 } 2568 2569 status_t Parameters::getFilteredPreviewSizes(Size limit, Vector<Size> *sizes) { 2570 if (info == NULL) { 2571 ALOGE("%s: Static metadata is not initialized", __FUNCTION__); 2572 return NO_INIT; 2573 } 2574 if (sizes == NULL) { 2575 ALOGE("%s: Input size is null", __FUNCTION__); 2576 return BAD_VALUE; 2577 } 2578 2579 const size_t SIZE_COUNT = sizeof(Size) / sizeof(int); 2580 camera_metadata_ro_entry_t availableProcessedSizes = 2581 staticInfo(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES, SIZE_COUNT); 2582 if (availableProcessedSizes.count < SIZE_COUNT) return BAD_VALUE; 2583 2584 Size previewSize; 2585 for (size_t i = 0; i < availableProcessedSizes.count; i += SIZE_COUNT) { 2586 previewSize.width = availableProcessedSizes.data.i32[i]; 2587 previewSize.height = availableProcessedSizes.data.i32[i+1]; 2588 // Need skip the preview sizes that are too large. 2589 if (previewSize.width <= limit.width && 2590 previewSize.height <= limit.height) { 2591 sizes->push(previewSize); 2592 } 2593 } 2594 if (sizes->isEmpty()) { 2595 ALOGE("generated preview size list is empty!!"); 2596 return BAD_VALUE; 2597 } 2598 return OK; 2599 } 2600 2601 Parameters::Size Parameters::getMaxSizeForRatio( 2602 float ratio, const int32_t* sizeArray, size_t count) { 2603 ALOG_ASSERT(sizeArray != NULL, "size array shouldn't be NULL"); 2604 ALOG_ASSERT(count >= 2 && count % 2 == 0, "count must be a positive even number"); 2605 2606 Size maxSize = {0, 0}; 2607 for (size_t i = 0; i < count; i += 2) { 2608 if (sizeArray[i] > 0 && sizeArray[i+1] > 0) { 2609 float curRatio = static_cast<float>(sizeArray[i]) / sizeArray[i+1]; 2610 if (fabs(curRatio - ratio) < ASPECT_RATIO_TOLERANCE && maxSize.width < sizeArray[i]) { 2611 maxSize.width = sizeArray[i]; 2612 maxSize.height = sizeArray[i+1]; 2613 } 2614 } 2615 } 2616 2617 if (maxSize.width == 0 || maxSize.height == 0) { 2618 maxSize.width = sizeArray[0]; 2619 maxSize.height = sizeArray[1]; 2620 ALOGW("Unable to find the size to match the given aspect ratio %f." 2621 "Fall back to %d x %d", ratio, maxSize.width, maxSize.height); 2622 } 2623 2624 return maxSize; 2625 } 2626 2627 Parameters::CropRegion Parameters::calculateCropRegion( 2628 Parameters::CropRegion::Outputs outputs) const { 2629 2630 float zoomLeft, zoomTop, zoomWidth, zoomHeight; 2631 2632 // Need to convert zoom index into a crop rectangle. The rectangle is 2633 // chosen to maximize its area on the sensor 2634 2635 camera_metadata_ro_entry_t maxDigitalZoom = 2636 staticInfo(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM); 2637 // For each zoom step by how many pixels more do we change the zoom 2638 float zoomIncrement = (maxDigitalZoom.data.f[0] - 1) / 2639 (NUM_ZOOM_STEPS-1); 2640 // The desired activeAreaWidth/cropAreaWidth ratio (or height if h>w) 2641 // via interpolating zoom step into a zoom ratio 2642 float zoomRatio = 1 + zoomIncrement * zoom; 2643 ALOG_ASSERT( (zoomRatio >= 1.f && zoomRatio <= maxDigitalZoom.data.f[0]), 2644 "Zoom ratio calculated out of bounds. Expected 1 - %f, actual: %f", 2645 maxDigitalZoom.data.f[0], zoomRatio); 2646 2647 ALOGV("Zoom maxDigital=%f, increment=%f, ratio=%f, previewWidth=%d, " 2648 "previewHeight=%d, activeWidth=%d, activeHeight=%d", 2649 maxDigitalZoom.data.f[0], zoomIncrement, zoomRatio, previewWidth, 2650 previewHeight, fastInfo.arrayWidth, fastInfo.arrayHeight); 2651 2652 /* 2653 * Assumption: On the HAL side each stream buffer calculates its crop 2654 * rectangle as follows: 2655 * cropRect = (zoomLeft, zoomRight, 2656 * zoomWidth, zoomHeight * zoomWidth / outputWidth); 2657 * 2658 * Note that if zoomWidth > bufferWidth, the new cropHeight > zoomHeight 2659 * (we can then get into trouble if the cropHeight > arrayHeight). 2660 * By selecting the zoomRatio based on the smallest outputRatio, we 2661 * guarantee this will never happen. 2662 */ 2663 2664 // Enumerate all possible output sizes, select the one with the smallest 2665 // aspect ratio 2666 float minOutputWidth, minOutputHeight, minOutputRatio; 2667 { 2668 float outputSizes[][2] = { 2669 { static_cast<float>(previewWidth), 2670 static_cast<float>(previewHeight) }, 2671 { static_cast<float>(videoWidth), 2672 static_cast<float>(videoHeight) }, 2673 { static_cast<float>(jpegThumbSize[0]), 2674 static_cast<float>(jpegThumbSize[1]) }, 2675 { static_cast<float>(pictureWidth), 2676 static_cast<float>(pictureHeight) }, 2677 }; 2678 2679 minOutputWidth = outputSizes[0][0]; 2680 minOutputHeight = outputSizes[0][1]; 2681 minOutputRatio = minOutputWidth / minOutputHeight; 2682 for (unsigned int i = 0; 2683 i < sizeof(outputSizes) / sizeof(outputSizes[0]); 2684 ++i) { 2685 2686 // skip over outputs we don't want to consider for the crop region 2687 if ( !((1 << i) & outputs) ) { 2688 continue; 2689 } 2690 2691 float outputWidth = outputSizes[i][0]; 2692 float outputHeight = outputSizes[i][1]; 2693 float outputRatio = outputWidth / outputHeight; 2694 2695 if (minOutputRatio > outputRatio) { 2696 minOutputRatio = outputRatio; 2697 minOutputWidth = outputWidth; 2698 minOutputHeight = outputHeight; 2699 } 2700 2701 // and then use this output ratio instead of preview output ratio 2702 ALOGV("Enumerating output ratio %f = %f / %f, min is %f", 2703 outputRatio, outputWidth, outputHeight, minOutputRatio); 2704 } 2705 } 2706 2707 /* Ensure that the width/height never go out of bounds 2708 * by scaling across a diffent dimension if an out-of-bounds 2709 * possibility exists. 2710 * 2711 * e.g. if the previewratio < arrayratio and e.g. zoomratio = 1.0, then by 2712 * calculating the zoomWidth from zoomHeight we'll actually get a 2713 * zoomheight > arrayheight 2714 */ 2715 float arrayRatio = 1.f * fastInfo.arrayWidth / fastInfo.arrayHeight; 2716 if (minOutputRatio >= arrayRatio) { 2717 // Adjust the height based on the width 2718 zoomWidth = fastInfo.arrayWidth / zoomRatio; 2719 zoomHeight = zoomWidth * 2720 minOutputHeight / minOutputWidth; 2721 2722 } else { 2723 // Adjust the width based on the height 2724 zoomHeight = fastInfo.arrayHeight / zoomRatio; 2725 zoomWidth = zoomHeight * 2726 minOutputWidth / minOutputHeight; 2727 } 2728 // centering the zoom area within the active area 2729 zoomLeft = (fastInfo.arrayWidth - zoomWidth) / 2; 2730 zoomTop = (fastInfo.arrayHeight - zoomHeight) / 2; 2731 2732 ALOGV("Crop region calculated (x=%d,y=%d,w=%f,h=%f) for zoom=%d", 2733 (int32_t)zoomLeft, (int32_t)zoomTop, zoomWidth, zoomHeight, this->zoom); 2734 2735 2736 CropRegion crop = { zoomLeft, zoomTop, zoomWidth, zoomHeight }; 2737 return crop; 2738 } 2739 2740 status_t Parameters::calculatePictureFovs(float *horizFov, float *vertFov) 2741 const { 2742 camera_metadata_ro_entry_t sensorSize = 2743 staticInfo(ANDROID_SENSOR_INFO_PHYSICAL_SIZE, 2, 2); 2744 if (!sensorSize.count) return NO_INIT; 2745 2746 float arrayAspect = static_cast<float>(fastInfo.arrayWidth) / 2747 fastInfo.arrayHeight; 2748 float stillAspect = static_cast<float>(pictureWidth) / pictureHeight; 2749 ALOGV("Array aspect: %f, still aspect: %f", arrayAspect, stillAspect); 2750 2751 // The crop factors from the full sensor array to the still picture crop 2752 // region 2753 float horizCropFactor = 1.f; 2754 float vertCropFactor = 1.f; 2755 2756 /** 2757 * Need to calculate the still image field of view based on the total pixel 2758 * array field of view, and the relative aspect ratios of the pixel array 2759 * and output streams. 2760 * 2761 * Special treatment for quirky definition of crop region and relative 2762 * stream cropping. 2763 */ 2764 if (quirks.meteringCropRegion) { 2765 // Use max of preview and video as first crop 2766 float previewAspect = static_cast<float>(previewWidth) / previewHeight; 2767 float videoAspect = static_cast<float>(videoWidth) / videoHeight; 2768 if (videoAspect > previewAspect) { 2769 previewAspect = videoAspect; 2770 } 2771 // First crop sensor to preview aspect ratio 2772 if (arrayAspect < previewAspect) { 2773 vertCropFactor = arrayAspect / previewAspect; 2774 } else { 2775 horizCropFactor = previewAspect / arrayAspect; 2776 } 2777 // Second crop to still aspect ratio 2778 if (stillAspect < previewAspect) { 2779 horizCropFactor *= stillAspect / previewAspect; 2780 } else { 2781 vertCropFactor *= previewAspect / stillAspect; 2782 } 2783 } else { 2784 /** 2785 * Crop are just a function of just the still/array relative aspect 2786 * ratios. Since each stream will maximize its area within the crop 2787 * region, and for FOV we assume a full-sensor crop region, we only ever 2788 * crop the FOV either vertically or horizontally, never both. 2789 */ 2790 horizCropFactor = (arrayAspect > stillAspect) ? 2791 (stillAspect / arrayAspect) : 1.f; 2792 vertCropFactor = (arrayAspect < stillAspect) ? 2793 (arrayAspect / stillAspect) : 1.f; 2794 } 2795 ALOGV("Horiz crop factor: %f, vert crop fact: %f", 2796 horizCropFactor, vertCropFactor); 2797 /** 2798 * Basic field of view formula is: 2799 * angle of view = 2 * arctangent ( d / 2f ) 2800 * where d is the physical sensor dimension of interest, and f is 2801 * the focal length. This only applies to rectilinear sensors, for focusing 2802 * at distances >> f, etc. 2803 */ 2804 if (horizFov != NULL) { 2805 *horizFov = 180 / M_PI * 2 * 2806 atanf(horizCropFactor * sensorSize.data.f[0] / 2807 (2 * fastInfo.minFocalLength)); 2808 } 2809 if (vertFov != NULL) { 2810 *vertFov = 180 / M_PI * 2 * 2811 atanf(vertCropFactor * sensorSize.data.f[1] / 2812 (2 * fastInfo.minFocalLength)); 2813 } 2814 return OK; 2815 } 2816 2817 int32_t Parameters::fpsFromRange(int32_t /*min*/, int32_t max) const { 2818 return max; 2819 } 2820 2821 }; // namespace camera2 2822 }; // namespace android 2823
