1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "Camera2-Parameters" 18 #define ATRACE_TAG ATRACE_TAG_CAMERA 19 // #define LOG_NDEBUG 0 20 21 #include <utils/Log.h> 22 #include <utils/Trace.h> 23 #include <utils/Vector.h> 24 #include <utils/SortedVector.h> 25 26 #include <math.h> 27 #include <stdlib.h> 28 #include <cutils/properties.h> 29 30 #include "Parameters.h" 31 #include "system/camera.h" 32 #include "hardware/camera_common.h" 33 #include <android/hardware/ICamera.h> 34 #include <media/MediaProfiles.h> 35 #include <media/mediarecorder.h> 36 37 namespace android { 38 namespace camera2 { 39 40 Parameters::Parameters(int cameraId, 41 int cameraFacing) : 42 cameraId(cameraId), 43 cameraFacing(cameraFacing), 44 info(NULL) { 45 } 46 47 Parameters::~Parameters() { 48 } 49 50 status_t Parameters::initialize(const CameraMetadata *info, int deviceVersion) { 51 status_t res; 52 53 if (info->entryCount() == 0) { 54 ALOGE("%s: No static information provided!", __FUNCTION__); 55 return BAD_VALUE; 56 } 57 Parameters::info = info; 58 mDeviceVersion = deviceVersion; 59 60 res = buildFastInfo(); 61 if (res != OK) return res; 62 63 res = buildQuirks(); 64 if (res != OK) return res; 65 66 const Size MAX_PREVIEW_SIZE = { MAX_PREVIEW_WIDTH, MAX_PREVIEW_HEIGHT }; 67 // Treat the H.264 max size as the max supported video size. 68 MediaProfiles *videoEncoderProfiles = MediaProfiles::getInstance(); 69 Vector<video_encoder> encoders = videoEncoderProfiles->getVideoEncoders(); 70 int32_t maxVideoWidth = 0; 71 int32_t maxVideoHeight = 0; 72 for (size_t i = 0; i < encoders.size(); i++) { 73 int width = videoEncoderProfiles->getVideoEncoderParamByName( 74 "enc.vid.width.max", encoders[i]); 75 int height = videoEncoderProfiles->getVideoEncoderParamByName( 76 "enc.vid.height.max", encoders[i]); 77 // Treat width/height separately here to handle the case where different 78 // profile might report max size of different aspect ratio 79 if (width > maxVideoWidth) { 80 maxVideoWidth = width; 81 } 82 if (height > maxVideoHeight) { 83 maxVideoHeight = height; 84 } 85 } 86 // This is just an upper bound and may not be an actually valid video size 87 const Size VIDEO_SIZE_UPPER_BOUND = {maxVideoWidth, maxVideoHeight}; 88 89 res = getFilteredSizes(MAX_PREVIEW_SIZE, &availablePreviewSizes); 90 if (res != OK) return res; 91 res = getFilteredSizes(VIDEO_SIZE_UPPER_BOUND, &availableVideoSizes); 92 if (res != OK) return res; 93 94 // Select initial preview and video size that's under the initial bound and 95 // on the list of both preview and recording sizes 96 previewWidth = 0; 97 previewHeight = 0; 98 for (size_t i = 0 ; i < availablePreviewSizes.size(); i++) { 99 int newWidth = availablePreviewSizes[i].width; 100 int newHeight = availablePreviewSizes[i].height; 101 if (newWidth >= previewWidth && newHeight >= previewHeight && 102 newWidth <= MAX_INITIAL_PREVIEW_WIDTH && 103 newHeight <= MAX_INITIAL_PREVIEW_HEIGHT) { 104 for (size_t j = 0; j < availableVideoSizes.size(); j++) { 105 if (availableVideoSizes[j].width == newWidth && 106 availableVideoSizes[j].height == newHeight) { 107 previewWidth = newWidth; 108 previewHeight = newHeight; 109 } 110 } 111 } 112 } 113 if (previewWidth == 0) { 114 ALOGE("%s: No initial preview size can be found!", __FUNCTION__); 115 return BAD_VALUE; 116 } 117 videoWidth = previewWidth; 118 videoHeight = previewHeight; 119 120 params.setPreviewSize(previewWidth, previewHeight); 121 params.setVideoSize(videoWidth, videoHeight); 122 params.set(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO, 123 String8::format("%dx%d", 124 previewWidth, previewHeight)); 125 { 126 String8 supportedPreviewSizes; 127 for (size_t i = 0; i < availablePreviewSizes.size(); i++) { 128 if (i != 0) supportedPreviewSizes += ","; 129 supportedPreviewSizes += String8::format("%dx%d", 130 availablePreviewSizes[i].width, 131 availablePreviewSizes[i].height); 132 } 133 ALOGV("Supported preview sizes are: %s", supportedPreviewSizes.string()); 134 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, 135 supportedPreviewSizes); 136 137 String8 supportedVideoSizes; 138 for (size_t i = 0; i < availableVideoSizes.size(); i++) { 139 if (i != 0) supportedVideoSizes += ","; 140 supportedVideoSizes += String8::format("%dx%d", 141 availableVideoSizes[i].width, 142 availableVideoSizes[i].height); 143 } 144 ALOGV("Supported video sizes are: %s", supportedVideoSizes.string()); 145 params.set(CameraParameters::KEY_SUPPORTED_VIDEO_SIZES, 146 supportedVideoSizes); 147 } 148 149 camera_metadata_ro_entry_t availableFpsRanges = 150 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 151 if (!availableFpsRanges.count) return NO_INIT; 152 153 previewFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; 154 params.set(CameraParameters::KEY_PREVIEW_FORMAT, 155 formatEnumToString(previewFormat)); // NV21 156 157 previewTransform = degToTransform(0, 158 cameraFacing == CAMERA_FACING_FRONT); 159 160 { 161 String8 supportedPreviewFormats; 162 SortedVector<int32_t> outputFormats = getAvailableOutputFormats(); 163 bool addComma = false; 164 for (size_t i=0; i < outputFormats.size(); i++) { 165 if (addComma) supportedPreviewFormats += ","; 166 addComma = true; 167 switch (outputFormats[i]) { 168 case HAL_PIXEL_FORMAT_YCbCr_422_SP: 169 supportedPreviewFormats += 170 CameraParameters::PIXEL_FORMAT_YUV422SP; 171 break; 172 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 173 supportedPreviewFormats += 174 CameraParameters::PIXEL_FORMAT_YUV420SP; 175 break; 176 case HAL_PIXEL_FORMAT_YCbCr_422_I: 177 supportedPreviewFormats += 178 CameraParameters::PIXEL_FORMAT_YUV422I; 179 break; 180 case HAL_PIXEL_FORMAT_YV12: 181 supportedPreviewFormats += 182 CameraParameters::PIXEL_FORMAT_YUV420P; 183 break; 184 case HAL_PIXEL_FORMAT_RGB_565: 185 supportedPreviewFormats += 186 CameraParameters::PIXEL_FORMAT_RGB565; 187 break; 188 case HAL_PIXEL_FORMAT_RGBA_8888: 189 supportedPreviewFormats += 190 CameraParameters::PIXEL_FORMAT_RGBA8888; 191 break; 192 case HAL_PIXEL_FORMAT_YCbCr_420_888: 193 // Flexible YUV allows both YV12 and NV21 194 supportedPreviewFormats += 195 CameraParameters::PIXEL_FORMAT_YUV420P; 196 supportedPreviewFormats += ","; 197 supportedPreviewFormats += 198 CameraParameters::PIXEL_FORMAT_YUV420SP; 199 break; 200 // Not advertizing JPEG, RAW16, etc, for preview formats 201 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 202 case HAL_PIXEL_FORMAT_RAW16: 203 case HAL_PIXEL_FORMAT_BLOB: 204 addComma = false; 205 break; 206 207 default: 208 ALOGW("%s: Camera %d: Unknown preview format: %x", 209 __FUNCTION__, cameraId, outputFormats[i]); 210 addComma = false; 211 break; 212 } 213 } 214 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS, 215 supportedPreviewFormats); 216 } 217 218 previewFpsRange[0] = fastInfo.bestStillCaptureFpsRange[0]; 219 previewFpsRange[1] = fastInfo.bestStillCaptureFpsRange[1]; 220 221 // PREVIEW_FRAME_RATE / SUPPORTED_PREVIEW_FRAME_RATES are deprecated, but 222 // still have to do something sane for them 223 224 // NOTE: Not scaled like FPS range values are. 225 int previewFps = fpsFromRange(previewFpsRange[0], previewFpsRange[1]); 226 params.set(CameraParameters::KEY_PREVIEW_FRAME_RATE, 227 previewFps); 228 229 // PREVIEW_FPS_RANGE 230 // -- Order matters. Set range after single value to so that a roundtrip 231 // of setParameters(getParameters()) would keep the FPS range in higher 232 // order. 233 params.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, 234 String8::format("%d,%d", 235 previewFpsRange[0] * kFpsToApiScale, 236 previewFpsRange[1] * kFpsToApiScale)); 237 238 { 239 String8 supportedPreviewFpsRange; 240 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 241 if (!isFpsSupported(availablePreviewSizes, 242 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, availableFpsRanges.data.i32[i+1])) { 243 continue; 244 } 245 if (i != 0) supportedPreviewFpsRange += ","; 246 supportedPreviewFpsRange += String8::format("(%d,%d)", 247 availableFpsRanges.data.i32[i] * kFpsToApiScale, 248 availableFpsRanges.data.i32[i+1] * kFpsToApiScale); 249 } 250 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FPS_RANGE, 251 supportedPreviewFpsRange); 252 } 253 254 { 255 SortedVector<int32_t> sortedPreviewFrameRates; 256 257 String8 supportedPreviewFrameRates; 258 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 259 // from the [min, max] fps range use the max value 260 int fps = fpsFromRange(availableFpsRanges.data.i32[i], 261 availableFpsRanges.data.i32[i+1]); 262 if (!isFpsSupported(availablePreviewSizes, 263 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, fps)) { 264 continue; 265 } 266 // de-dupe frame rates 267 if (sortedPreviewFrameRates.indexOf(fps) == NAME_NOT_FOUND) { 268 sortedPreviewFrameRates.add(fps); 269 } 270 else { 271 continue; 272 } 273 274 if (sortedPreviewFrameRates.size() > 1) { 275 supportedPreviewFrameRates += ","; 276 } 277 278 supportedPreviewFrameRates += String8::format("%d", 279 fps); 280 281 ALOGV("%s: Supported preview frame rates: %s", 282 __FUNCTION__, supportedPreviewFrameRates.string()); 283 } 284 params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES, 285 supportedPreviewFrameRates); 286 } 287 288 Vector<Size> availableJpegSizes = getAvailableJpegSizes(); 289 if (!availableJpegSizes.size()) return NO_INIT; 290 291 // TODO: Pick maximum 292 pictureWidth = availableJpegSizes[0].width; 293 pictureHeight = availableJpegSizes[0].height; 294 pictureWidthLastSet = pictureWidth; 295 pictureHeightLastSet = pictureHeight; 296 pictureSizeOverriden = false; 297 298 params.setPictureSize(pictureWidth, 299 pictureHeight); 300 301 { 302 String8 supportedPictureSizes; 303 for (size_t i=0; i < availableJpegSizes.size(); i++) { 304 if (i != 0) supportedPictureSizes += ","; 305 supportedPictureSizes += String8::format("%dx%d", 306 availableJpegSizes[i].width, 307 availableJpegSizes[i].height); 308 } 309 params.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, 310 supportedPictureSizes); 311 } 312 313 params.setPictureFormat(CameraParameters::PIXEL_FORMAT_JPEG); 314 params.set(CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS, 315 CameraParameters::PIXEL_FORMAT_JPEG); 316 317 camera_metadata_ro_entry_t availableJpegThumbnailSizes = 318 staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, 4); 319 if (!availableJpegThumbnailSizes.count) return NO_INIT; 320 321 // Pick the largest thumbnail size that matches still image aspect ratio. 322 ALOG_ASSERT(pictureWidth > 0 && pictureHeight > 0, 323 "Invalid picture size, %d x %d", pictureWidth, pictureHeight); 324 float picAspectRatio = static_cast<float>(pictureWidth) / pictureHeight; 325 Size thumbnailSize = 326 getMaxSizeForRatio( 327 picAspectRatio, 328 &availableJpegThumbnailSizes.data.i32[0], 329 availableJpegThumbnailSizes.count); 330 jpegThumbSize[0] = thumbnailSize.width; 331 jpegThumbSize[1] = thumbnailSize.height; 332 333 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, 334 jpegThumbSize[0]); 335 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, 336 jpegThumbSize[1]); 337 338 { 339 String8 supportedJpegThumbSizes; 340 for (size_t i=0; i < availableJpegThumbnailSizes.count; i += 2) { 341 if (i != 0) supportedJpegThumbSizes += ","; 342 supportedJpegThumbSizes += String8::format("%dx%d", 343 availableJpegThumbnailSizes.data.i32[i], 344 availableJpegThumbnailSizes.data.i32[i+1]); 345 } 346 params.set(CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES, 347 supportedJpegThumbSizes); 348 } 349 350 jpegThumbQuality = 90; 351 params.set(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY, 352 jpegThumbQuality); 353 jpegQuality = 90; 354 params.set(CameraParameters::KEY_JPEG_QUALITY, 355 jpegQuality); 356 jpegRotation = 0; 357 params.set(CameraParameters::KEY_ROTATION, 358 jpegRotation); 359 360 gpsEnabled = false; 361 gpsCoordinates[0] = 0.0; 362 gpsCoordinates[1] = 0.0; 363 gpsCoordinates[2] = 0.0; 364 gpsTimestamp = 0; 365 gpsProcessingMethod = "unknown"; 366 // GPS fields in CameraParameters are not set by implementation 367 368 wbMode = ANDROID_CONTROL_AWB_MODE_AUTO; 369 params.set(CameraParameters::KEY_WHITE_BALANCE, 370 CameraParameters::WHITE_BALANCE_AUTO); 371 372 camera_metadata_ro_entry_t availableWhiteBalanceModes = 373 staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 0, 0, false); 374 if (!availableWhiteBalanceModes.count) { 375 params.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, 376 CameraParameters::WHITE_BALANCE_AUTO); 377 } else { 378 String8 supportedWhiteBalance; 379 bool addComma = false; 380 for (size_t i=0; i < availableWhiteBalanceModes.count; i++) { 381 if (addComma) supportedWhiteBalance += ","; 382 addComma = true; 383 switch (availableWhiteBalanceModes.data.u8[i]) { 384 case ANDROID_CONTROL_AWB_MODE_AUTO: 385 supportedWhiteBalance += 386 CameraParameters::WHITE_BALANCE_AUTO; 387 break; 388 case ANDROID_CONTROL_AWB_MODE_INCANDESCENT: 389 supportedWhiteBalance += 390 CameraParameters::WHITE_BALANCE_INCANDESCENT; 391 break; 392 case ANDROID_CONTROL_AWB_MODE_FLUORESCENT: 393 supportedWhiteBalance += 394 CameraParameters::WHITE_BALANCE_FLUORESCENT; 395 break; 396 case ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT: 397 supportedWhiteBalance += 398 CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT; 399 break; 400 case ANDROID_CONTROL_AWB_MODE_DAYLIGHT: 401 supportedWhiteBalance += 402 CameraParameters::WHITE_BALANCE_DAYLIGHT; 403 break; 404 case ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT: 405 supportedWhiteBalance += 406 CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT; 407 break; 408 case ANDROID_CONTROL_AWB_MODE_TWILIGHT: 409 supportedWhiteBalance += 410 CameraParameters::WHITE_BALANCE_TWILIGHT; 411 break; 412 case ANDROID_CONTROL_AWB_MODE_SHADE: 413 supportedWhiteBalance += 414 CameraParameters::WHITE_BALANCE_SHADE; 415 break; 416 // Skipping values not mappable to v1 API 417 case ANDROID_CONTROL_AWB_MODE_OFF: 418 addComma = false; 419 break; 420 default: 421 ALOGW("%s: Camera %d: Unknown white balance value: %d", 422 __FUNCTION__, cameraId, 423 availableWhiteBalanceModes.data.u8[i]); 424 addComma = false; 425 break; 426 } 427 } 428 params.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, 429 supportedWhiteBalance); 430 } 431 432 effectMode = ANDROID_CONTROL_EFFECT_MODE_OFF; 433 params.set(CameraParameters::KEY_EFFECT, 434 CameraParameters::EFFECT_NONE); 435 436 camera_metadata_ro_entry_t availableEffects = 437 staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS, 0, 0, false); 438 if (!availableEffects.count) { 439 params.set(CameraParameters::KEY_SUPPORTED_EFFECTS, 440 CameraParameters::EFFECT_NONE); 441 } else { 442 String8 supportedEffects; 443 bool addComma = false; 444 for (size_t i=0; i < availableEffects.count; i++) { 445 if (addComma) supportedEffects += ","; 446 addComma = true; 447 switch (availableEffects.data.u8[i]) { 448 case ANDROID_CONTROL_EFFECT_MODE_OFF: 449 supportedEffects += 450 CameraParameters::EFFECT_NONE; 451 break; 452 case ANDROID_CONTROL_EFFECT_MODE_MONO: 453 supportedEffects += 454 CameraParameters::EFFECT_MONO; 455 break; 456 case ANDROID_CONTROL_EFFECT_MODE_NEGATIVE: 457 supportedEffects += 458 CameraParameters::EFFECT_NEGATIVE; 459 break; 460 case ANDROID_CONTROL_EFFECT_MODE_SOLARIZE: 461 supportedEffects += 462 CameraParameters::EFFECT_SOLARIZE; 463 break; 464 case ANDROID_CONTROL_EFFECT_MODE_SEPIA: 465 supportedEffects += 466 CameraParameters::EFFECT_SEPIA; 467 break; 468 case ANDROID_CONTROL_EFFECT_MODE_POSTERIZE: 469 supportedEffects += 470 CameraParameters::EFFECT_POSTERIZE; 471 break; 472 case ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD: 473 supportedEffects += 474 CameraParameters::EFFECT_WHITEBOARD; 475 break; 476 case ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD: 477 supportedEffects += 478 CameraParameters::EFFECT_BLACKBOARD; 479 break; 480 case ANDROID_CONTROL_EFFECT_MODE_AQUA: 481 supportedEffects += 482 CameraParameters::EFFECT_AQUA; 483 break; 484 default: 485 ALOGW("%s: Camera %d: Unknown effect value: %d", 486 __FUNCTION__, cameraId, availableEffects.data.u8[i]); 487 addComma = false; 488 break; 489 } 490 } 491 params.set(CameraParameters::KEY_SUPPORTED_EFFECTS, supportedEffects); 492 } 493 494 antibandingMode = ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO; 495 params.set(CameraParameters::KEY_ANTIBANDING, 496 CameraParameters::ANTIBANDING_AUTO); 497 498 camera_metadata_ro_entry_t availableAntibandingModes = 499 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, 0, 0, false); 500 if (!availableAntibandingModes.count) { 501 params.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, 502 CameraParameters::ANTIBANDING_OFF); 503 } else { 504 String8 supportedAntibanding; 505 bool addComma = false; 506 for (size_t i=0; i < availableAntibandingModes.count; i++) { 507 if (addComma) supportedAntibanding += ","; 508 addComma = true; 509 switch (availableAntibandingModes.data.u8[i]) { 510 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF: 511 supportedAntibanding += 512 CameraParameters::ANTIBANDING_OFF; 513 break; 514 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ: 515 supportedAntibanding += 516 CameraParameters::ANTIBANDING_50HZ; 517 break; 518 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ: 519 supportedAntibanding += 520 CameraParameters::ANTIBANDING_60HZ; 521 break; 522 case ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO: 523 supportedAntibanding += 524 CameraParameters::ANTIBANDING_AUTO; 525 break; 526 default: 527 ALOGW("%s: Camera %d: Unknown antibanding value: %d", 528 __FUNCTION__, cameraId, 529 availableAntibandingModes.data.u8[i]); 530 addComma = false; 531 break; 532 } 533 } 534 params.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, 535 supportedAntibanding); 536 } 537 538 sceneMode = ANDROID_CONTROL_SCENE_MODE_DISABLED; 539 params.set(CameraParameters::KEY_SCENE_MODE, 540 CameraParameters::SCENE_MODE_AUTO); 541 542 camera_metadata_ro_entry_t availableSceneModes = 543 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 0, 0, false); 544 if (!availableSceneModes.count) { 545 params.remove(CameraParameters::KEY_SCENE_MODE); 546 } else { 547 String8 supportedSceneModes(CameraParameters::SCENE_MODE_AUTO); 548 bool addComma = true; 549 bool noSceneModes = false; 550 for (size_t i=0; i < availableSceneModes.count; i++) { 551 if (addComma) supportedSceneModes += ","; 552 addComma = true; 553 switch (availableSceneModes.data.u8[i]) { 554 case ANDROID_CONTROL_SCENE_MODE_DISABLED: 555 noSceneModes = true; 556 break; 557 case ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY: 558 // Not in old API 559 addComma = false; 560 break; 561 case ANDROID_CONTROL_SCENE_MODE_ACTION: 562 supportedSceneModes += 563 CameraParameters::SCENE_MODE_ACTION; 564 break; 565 case ANDROID_CONTROL_SCENE_MODE_PORTRAIT: 566 supportedSceneModes += 567 CameraParameters::SCENE_MODE_PORTRAIT; 568 break; 569 case ANDROID_CONTROL_SCENE_MODE_LANDSCAPE: 570 supportedSceneModes += 571 CameraParameters::SCENE_MODE_LANDSCAPE; 572 break; 573 case ANDROID_CONTROL_SCENE_MODE_NIGHT: 574 supportedSceneModes += 575 CameraParameters::SCENE_MODE_NIGHT; 576 break; 577 case ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT: 578 supportedSceneModes += 579 CameraParameters::SCENE_MODE_NIGHT_PORTRAIT; 580 break; 581 case ANDROID_CONTROL_SCENE_MODE_THEATRE: 582 supportedSceneModes += 583 CameraParameters::SCENE_MODE_THEATRE; 584 break; 585 case ANDROID_CONTROL_SCENE_MODE_BEACH: 586 supportedSceneModes += 587 CameraParameters::SCENE_MODE_BEACH; 588 break; 589 case ANDROID_CONTROL_SCENE_MODE_SNOW: 590 supportedSceneModes += 591 CameraParameters::SCENE_MODE_SNOW; 592 break; 593 case ANDROID_CONTROL_SCENE_MODE_SUNSET: 594 supportedSceneModes += 595 CameraParameters::SCENE_MODE_SUNSET; 596 break; 597 case ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO: 598 supportedSceneModes += 599 CameraParameters::SCENE_MODE_STEADYPHOTO; 600 break; 601 case ANDROID_CONTROL_SCENE_MODE_FIREWORKS: 602 supportedSceneModes += 603 CameraParameters::SCENE_MODE_FIREWORKS; 604 break; 605 case ANDROID_CONTROL_SCENE_MODE_SPORTS: 606 supportedSceneModes += 607 CameraParameters::SCENE_MODE_SPORTS; 608 break; 609 case ANDROID_CONTROL_SCENE_MODE_PARTY: 610 supportedSceneModes += 611 CameraParameters::SCENE_MODE_PARTY; 612 break; 613 case ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT: 614 supportedSceneModes += 615 CameraParameters::SCENE_MODE_CANDLELIGHT; 616 break; 617 case ANDROID_CONTROL_SCENE_MODE_BARCODE: 618 supportedSceneModes += 619 CameraParameters::SCENE_MODE_BARCODE; 620 break; 621 case ANDROID_CONTROL_SCENE_MODE_HDR: 622 supportedSceneModes += 623 CameraParameters::SCENE_MODE_HDR; 624 break; 625 default: 626 ALOGW("%s: Camera %d: Unknown scene mode value: %d", 627 __FUNCTION__, cameraId, 628 availableSceneModes.data.u8[i]); 629 addComma = false; 630 break; 631 } 632 } 633 if (!noSceneModes) { 634 params.set(CameraParameters::KEY_SUPPORTED_SCENE_MODES, 635 supportedSceneModes); 636 } else { 637 params.remove(CameraParameters::KEY_SCENE_MODE); 638 } 639 } 640 641 bool isFlashAvailable = false; 642 camera_metadata_ro_entry_t flashAvailable = 643 staticInfo(ANDROID_FLASH_INFO_AVAILABLE, 0, 1, false); 644 if (flashAvailable.count) { 645 isFlashAvailable = flashAvailable.data.u8[0]; 646 } 647 648 camera_metadata_ro_entry_t availableAeModes = 649 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES, 0, 0, false); 650 651 flashMode = Parameters::FLASH_MODE_OFF; 652 if (isFlashAvailable) { 653 params.set(CameraParameters::KEY_FLASH_MODE, 654 CameraParameters::FLASH_MODE_OFF); 655 656 String8 supportedFlashModes(CameraParameters::FLASH_MODE_OFF); 657 supportedFlashModes = supportedFlashModes + 658 "," + CameraParameters::FLASH_MODE_AUTO + 659 "," + CameraParameters::FLASH_MODE_ON + 660 "," + CameraParameters::FLASH_MODE_TORCH; 661 for (size_t i=0; i < availableAeModes.count; i++) { 662 if (availableAeModes.data.u8[i] == 663 ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE) { 664 supportedFlashModes = supportedFlashModes + "," + 665 CameraParameters::FLASH_MODE_RED_EYE; 666 break; 667 } 668 } 669 params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES, 670 supportedFlashModes); 671 } else { 672 // No flash means null flash mode and supported flash modes keys, so 673 // remove them just to be safe 674 params.remove(CameraParameters::KEY_FLASH_MODE); 675 params.remove(CameraParameters::KEY_SUPPORTED_FLASH_MODES); 676 } 677 678 camera_metadata_ro_entry_t minFocusDistance = 679 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 1, false); 680 681 camera_metadata_ro_entry_t availableAfModes = 682 staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES, 0, 0, false); 683 684 if (!minFocusDistance.count || minFocusDistance.data.f[0] == 0) { 685 // Fixed-focus lens 686 focusMode = Parameters::FOCUS_MODE_FIXED; 687 params.set(CameraParameters::KEY_FOCUS_MODE, 688 CameraParameters::FOCUS_MODE_FIXED); 689 params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, 690 CameraParameters::FOCUS_MODE_FIXED); 691 } else { 692 focusMode = Parameters::FOCUS_MODE_AUTO; 693 params.set(CameraParameters::KEY_FOCUS_MODE, 694 CameraParameters::FOCUS_MODE_AUTO); 695 String8 supportedFocusModes; 696 bool addComma = false; 697 camera_metadata_ro_entry_t focusDistanceCalibration = 698 staticInfo(ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION, 0, 0, false); 699 700 if (focusDistanceCalibration.count && 701 focusDistanceCalibration.data.u8[0] != 702 ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED) { 703 supportedFocusModes += CameraParameters::FOCUS_MODE_INFINITY; 704 addComma = true; 705 } 706 707 for (size_t i=0; i < availableAfModes.count; i++) { 708 if (addComma) supportedFocusModes += ","; 709 addComma = true; 710 switch (availableAfModes.data.u8[i]) { 711 case ANDROID_CONTROL_AF_MODE_AUTO: 712 supportedFocusModes += 713 CameraParameters::FOCUS_MODE_AUTO; 714 break; 715 case ANDROID_CONTROL_AF_MODE_MACRO: 716 supportedFocusModes += 717 CameraParameters::FOCUS_MODE_MACRO; 718 break; 719 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 720 supportedFocusModes += 721 CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO; 722 break; 723 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 724 supportedFocusModes += 725 CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE; 726 break; 727 case ANDROID_CONTROL_AF_MODE_EDOF: 728 supportedFocusModes += 729 CameraParameters::FOCUS_MODE_EDOF; 730 break; 731 // Not supported in old API 732 case ANDROID_CONTROL_AF_MODE_OFF: 733 addComma = false; 734 break; 735 default: 736 ALOGW("%s: Camera %d: Unknown AF mode value: %d", 737 __FUNCTION__, cameraId, availableAfModes.data.u8[i]); 738 addComma = false; 739 break; 740 } 741 } 742 params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, 743 supportedFocusModes); 744 } 745 focusState = ANDROID_CONTROL_AF_STATE_INACTIVE; 746 shadowFocusMode = FOCUS_MODE_INVALID; 747 748 camera_metadata_ro_entry_t max3aRegions = staticInfo(ANDROID_CONTROL_MAX_REGIONS, 749 Parameters::NUM_REGION, Parameters::NUM_REGION); 750 if (max3aRegions.count != Parameters::NUM_REGION) return NO_INIT; 751 752 int32_t maxNumFocusAreas = 0; 753 if (focusMode != Parameters::FOCUS_MODE_FIXED) { 754 maxNumFocusAreas = max3aRegions.data.i32[Parameters::REGION_AF]; 755 } 756 params.set(CameraParameters::KEY_MAX_NUM_FOCUS_AREAS, maxNumFocusAreas); 757 params.set(CameraParameters::KEY_FOCUS_AREAS, 758 "(0,0,0,0,0)"); 759 focusingAreas.clear(); 760 focusingAreas.add(Parameters::Area(0,0,0,0,0)); 761 762 camera_metadata_ro_entry_t availableFocalLengths = 763 staticInfo(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS, 0, 0, false); 764 if (!availableFocalLengths.count) return NO_INIT; 765 766 float minFocalLength = availableFocalLengths.data.f[0]; 767 params.setFloat(CameraParameters::KEY_FOCAL_LENGTH, minFocalLength); 768 769 float horizFov, vertFov; 770 res = calculatePictureFovs(&horizFov, &vertFov); 771 if (res != OK) { 772 ALOGE("%s: Can't calculate field of views!", __FUNCTION__); 773 return res; 774 } 775 776 params.setFloat(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, horizFov); 777 params.setFloat(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, vertFov); 778 779 exposureCompensation = 0; 780 params.set(CameraParameters::KEY_EXPOSURE_COMPENSATION, 781 exposureCompensation); 782 783 camera_metadata_ro_entry_t exposureCompensationRange = 784 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_RANGE, 2, 2); 785 if (!exposureCompensationRange.count) return NO_INIT; 786 787 params.set(CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION, 788 exposureCompensationRange.data.i32[1]); 789 params.set(CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION, 790 exposureCompensationRange.data.i32[0]); 791 792 camera_metadata_ro_entry_t exposureCompensationStep = 793 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_STEP, 1, 1); 794 if (!exposureCompensationStep.count) return NO_INIT; 795 796 params.setFloat(CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP, 797 (float)exposureCompensationStep.data.r[0].numerator / 798 exposureCompensationStep.data.r[0].denominator); 799 800 autoExposureLock = false; 801 autoExposureLockAvailable = false; 802 camera_metadata_ro_entry_t exposureLockAvailable = 803 staticInfo(ANDROID_CONTROL_AE_LOCK_AVAILABLE, 1, 1); 804 if ((0 < exposureLockAvailable.count) && 805 (ANDROID_CONTROL_AE_LOCK_AVAILABLE_TRUE == 806 exposureLockAvailable.data.u8[0])) { 807 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK, 808 CameraParameters::FALSE); 809 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED, 810 CameraParameters::TRUE); 811 autoExposureLockAvailable = true; 812 } else { 813 params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED, 814 CameraParameters::FALSE); 815 } 816 817 autoWhiteBalanceLock = false; 818 autoWhiteBalanceLockAvailable = false; 819 camera_metadata_ro_entry_t whitebalanceLockAvailable = 820 staticInfo(ANDROID_CONTROL_AWB_LOCK_AVAILABLE, 1, 1); 821 if ((0 < whitebalanceLockAvailable.count) && 822 (ANDROID_CONTROL_AWB_LOCK_AVAILABLE_TRUE == 823 whitebalanceLockAvailable.data.u8[0])) { 824 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK, 825 CameraParameters::FALSE); 826 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED, 827 CameraParameters::TRUE); 828 autoWhiteBalanceLockAvailable = true; 829 } else { 830 params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED, 831 CameraParameters::FALSE); 832 } 833 834 meteringAreas.add(Parameters::Area(0, 0, 0, 0, 0)); 835 params.set(CameraParameters::KEY_MAX_NUM_METERING_AREAS, 836 max3aRegions.data.i32[Parameters::REGION_AE]); 837 params.set(CameraParameters::KEY_METERING_AREAS, 838 "(0,0,0,0,0)"); 839 840 zoom = 0; 841 zoomAvailable = false; 842 camera_metadata_ro_entry_t maxDigitalZoom = 843 staticInfo(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, /*minCount*/1, /*maxCount*/1); 844 if (!maxDigitalZoom.count) return NO_INIT; 845 846 if (fabs(maxDigitalZoom.data.f[0] - 1.f) > 0.00001f) { 847 params.set(CameraParameters::KEY_ZOOM, zoom); 848 params.set(CameraParameters::KEY_MAX_ZOOM, NUM_ZOOM_STEPS - 1); 849 850 { 851 String8 zoomRatios; 852 float zoom = 1.f; 853 float zoomIncrement = (maxDigitalZoom.data.f[0] - zoom) / 854 (NUM_ZOOM_STEPS-1); 855 bool addComma = false; 856 for (size_t i=0; i < NUM_ZOOM_STEPS; i++) { 857 if (addComma) zoomRatios += ","; 858 addComma = true; 859 zoomRatios += String8::format("%d", static_cast<int>(zoom * 100)); 860 zoom += zoomIncrement; 861 } 862 params.set(CameraParameters::KEY_ZOOM_RATIOS, zoomRatios); 863 } 864 865 params.set(CameraParameters::KEY_ZOOM_SUPPORTED, 866 CameraParameters::TRUE); 867 zoomAvailable = true; 868 } else { 869 params.set(CameraParameters::KEY_ZOOM_SUPPORTED, 870 CameraParameters::FALSE); 871 } 872 params.set(CameraParameters::KEY_SMOOTH_ZOOM_SUPPORTED, 873 CameraParameters::FALSE); 874 875 params.set(CameraParameters::KEY_FOCUS_DISTANCES, 876 "Infinity,Infinity,Infinity"); 877 878 params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_HW, 879 fastInfo.maxFaces); 880 params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_SW, 881 0); 882 883 params.set(CameraParameters::KEY_VIDEO_FRAME_FORMAT, 884 CameraParameters::PIXEL_FORMAT_ANDROID_OPAQUE); 885 886 recordingHint = false; 887 params.set(CameraParameters::KEY_RECORDING_HINT, 888 CameraParameters::FALSE); 889 890 params.set(CameraParameters::KEY_VIDEO_SNAPSHOT_SUPPORTED, 891 CameraParameters::TRUE); 892 893 videoStabilization = false; 894 params.set(CameraParameters::KEY_VIDEO_STABILIZATION, 895 CameraParameters::FALSE); 896 897 camera_metadata_ro_entry_t availableVideoStabilizationModes = 898 staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 0, 0, 899 false); 900 901 if (availableVideoStabilizationModes.count > 1) { 902 params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED, 903 CameraParameters::TRUE); 904 } else { 905 params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED, 906 CameraParameters::FALSE); 907 } 908 909 // Set up initial state for non-Camera.Parameters state variables 910 videoFormat = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 911 videoDataSpace = HAL_DATASPACE_V0_BT709; 912 videoBufferMode = hardware::ICamera::VIDEO_BUFFER_MODE_DATA_CALLBACK_YUV; 913 playShutterSound = true; 914 enableFaceDetect = false; 915 916 enableFocusMoveMessages = false; 917 afTriggerCounter = 1; 918 afStateCounter = 0; 919 currentAfTriggerId = -1; 920 afInMotion = false; 921 922 precaptureTriggerCounter = 1; 923 924 takePictureCounter = 0; 925 926 previewCallbackFlags = 0; 927 previewCallbackOneShot = false; 928 previewCallbackSurface = false; 929 930 Size maxJpegSize = getMaxSize(getAvailableJpegSizes()); 931 int64_t minFrameDurationNs = getJpegStreamMinFrameDurationNs(maxJpegSize); 932 933 slowJpegMode = false; 934 if (minFrameDurationNs > kSlowJpegModeThreshold) { 935 slowJpegMode = true; 936 // Slow jpeg devices does not support video snapshot without 937 // slowing down preview. 938 // TODO: support video size video snapshot only? 939 params.set(CameraParameters::KEY_VIDEO_SNAPSHOT_SUPPORTED, 940 CameraParameters::FALSE); 941 } 942 943 isZslReprocessPresent = false; 944 camera_metadata_ro_entry_t availableCapabilities = 945 staticInfo(ANDROID_REQUEST_AVAILABLE_CAPABILITIES); 946 if (0 < availableCapabilities.count) { 947 const uint8_t *caps = availableCapabilities.data.u8; 948 for (size_t i = 0; i < availableCapabilities.count; i++) { 949 if (ANDROID_REQUEST_AVAILABLE_CAPABILITIES_PRIVATE_REPROCESSING == 950 caps[i]) { 951 isZslReprocessPresent = true; 952 break; 953 } 954 } 955 } 956 957 if (slowJpegMode || property_get_bool("camera.disable_zsl_mode", false)) { 958 ALOGI("Camera %d: Disabling ZSL mode", cameraId); 959 allowZslMode = false; 960 } else { 961 allowZslMode = isZslReprocessPresent; 962 } 963 964 ALOGI("%s: allowZslMode: %d slowJpegMode %d", __FUNCTION__, allowZslMode, slowJpegMode); 965 966 state = STOPPED; 967 968 paramsFlattened = params.flatten(); 969 970 return OK; 971 } 972 973 String8 Parameters::get() const { 974 return paramsFlattened; 975 } 976 977 status_t Parameters::buildFastInfo() { 978 979 camera_metadata_ro_entry_t activeArraySize = 980 staticInfo(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, 2, 4); 981 if (!activeArraySize.count) return NO_INIT; 982 int32_t arrayWidth; 983 int32_t arrayHeight; 984 if (activeArraySize.count == 2) { 985 ALOGW("%s: Camera %d: activeArraySize is missing xmin/ymin!", 986 __FUNCTION__, cameraId); 987 arrayWidth = activeArraySize.data.i32[0]; 988 arrayHeight = activeArraySize.data.i32[1]; 989 } else if (activeArraySize.count == 4) { 990 arrayWidth = activeArraySize.data.i32[2]; 991 arrayHeight = activeArraySize.data.i32[3]; 992 } else return NO_INIT; 993 994 // We'll set the target FPS range for still captures to be as wide 995 // as possible to give the HAL maximum latitude for exposure selection 996 camera_metadata_ro_entry_t availableFpsRanges = 997 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 998 if (availableFpsRanges.count < 2 || availableFpsRanges.count % 2 != 0) { 999 return NO_INIT; 1000 } 1001 1002 // Get supported preview fps ranges, up to default maximum. 1003 Vector<Size> supportedPreviewSizes; 1004 Vector<FpsRange> supportedPreviewFpsRanges; 1005 const Size PREVIEW_SIZE_BOUND = { MAX_PREVIEW_WIDTH, MAX_PREVIEW_HEIGHT }; 1006 status_t res = getFilteredSizes(PREVIEW_SIZE_BOUND, &supportedPreviewSizes); 1007 if (res != OK) return res; 1008 for (size_t i=0; i < availableFpsRanges.count; i += 2) { 1009 if (!isFpsSupported(supportedPreviewSizes, 1010 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, availableFpsRanges.data.i32[i+1]) || 1011 availableFpsRanges.data.i32[i+1] > MAX_DEFAULT_FPS) { 1012 continue; 1013 } 1014 FpsRange fpsRange = {availableFpsRanges.data.i32[i], availableFpsRanges.data.i32[i+1]}; 1015 supportedPreviewFpsRanges.add(fpsRange); 1016 } 1017 if (supportedPreviewFpsRanges.size() == 0) { 1018 ALOGE("Supported preview fps range is empty"); 1019 return NO_INIT; 1020 } 1021 1022 int32_t bestStillCaptureFpsRange[2] = { 1023 supportedPreviewFpsRanges[0].low, supportedPreviewFpsRanges[0].high 1024 }; 1025 int32_t curRange = 1026 bestStillCaptureFpsRange[1] - bestStillCaptureFpsRange[0]; 1027 for (size_t i = 1; i < supportedPreviewFpsRanges.size(); i ++) { 1028 int32_t nextRange = 1029 supportedPreviewFpsRanges[i].high - 1030 supportedPreviewFpsRanges[i].low; 1031 if ( (nextRange > curRange) || // Maximize size of FPS range first 1032 (nextRange == curRange && // Then minimize low-end FPS 1033 bestStillCaptureFpsRange[0] > supportedPreviewFpsRanges[i].low)) { 1034 1035 bestStillCaptureFpsRange[0] = supportedPreviewFpsRanges[i].low; 1036 bestStillCaptureFpsRange[1] = supportedPreviewFpsRanges[i].high; 1037 curRange = nextRange; 1038 } 1039 } 1040 1041 camera_metadata_ro_entry_t availableFaceDetectModes = 1042 staticInfo(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, 0, 0, 1043 false); 1044 1045 uint8_t bestFaceDetectMode = 1046 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 1047 for (size_t i = 0 ; i < availableFaceDetectModes.count; i++) { 1048 switch (availableFaceDetectModes.data.u8[i]) { 1049 case ANDROID_STATISTICS_FACE_DETECT_MODE_OFF: 1050 break; 1051 case ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE: 1052 if (bestFaceDetectMode != 1053 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL) { 1054 bestFaceDetectMode = 1055 ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE; 1056 } 1057 break; 1058 case ANDROID_STATISTICS_FACE_DETECT_MODE_FULL: 1059 bestFaceDetectMode = 1060 ANDROID_STATISTICS_FACE_DETECT_MODE_FULL; 1061 break; 1062 default: 1063 ALOGE("%s: Camera %d: Unknown face detect mode %d:", 1064 __FUNCTION__, cameraId, 1065 availableFaceDetectModes.data.u8[i]); 1066 return NO_INIT; 1067 } 1068 } 1069 1070 int32_t maxFaces = 0; 1071 camera_metadata_ro_entry_t maxFacesDetected = 1072 staticInfo(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT, 0, 1, false); 1073 if (maxFacesDetected.count) { 1074 maxFaces = maxFacesDetected.data.i32[0]; 1075 } 1076 1077 camera_metadata_ro_entry_t availableSceneModes = 1078 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, 0, 0, false); 1079 camera_metadata_ro_entry_t sceneModeOverrides = 1080 staticInfo(ANDROID_CONTROL_SCENE_MODE_OVERRIDES, 0, 0, false); 1081 camera_metadata_ro_entry_t minFocusDistance = 1082 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 0, false); 1083 bool fixedLens = minFocusDistance.count == 0 || 1084 minFocusDistance.data.f[0] == 0; 1085 1086 camera_metadata_ro_entry_t focusDistanceCalibration = 1087 staticInfo(ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION, 0, 0, 1088 false); 1089 bool canFocusInfinity = (focusDistanceCalibration.count && 1090 focusDistanceCalibration.data.u8[0] != 1091 ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED); 1092 1093 camera_metadata_ro_entry_t availableFocalLengths = 1094 staticInfo(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS); 1095 if (!availableFocalLengths.count) return NO_INIT; 1096 1097 SortedVector<int32_t> availableFormats = getAvailableOutputFormats(); 1098 if (!availableFormats.size()) return NO_INIT; 1099 1100 1101 if (sceneModeOverrides.count > 0) { 1102 // sceneModeOverrides is defined to have 3 entries for each scene mode, 1103 // which are AE, AWB, and AF override modes the HAL wants for that scene 1104 // mode. 1105 const size_t kModesPerSceneMode = 3; 1106 if (sceneModeOverrides.count != 1107 availableSceneModes.count * kModesPerSceneMode) { 1108 ALOGE("%s: Camera %d: Scene mode override list is an " 1109 "unexpected size: %zu (expected %zu)", __FUNCTION__, 1110 cameraId, sceneModeOverrides.count, 1111 availableSceneModes.count * kModesPerSceneMode); 1112 return NO_INIT; 1113 } 1114 for (size_t i = 0; i < availableSceneModes.count; i++) { 1115 DeviceInfo::OverrideModes modes; 1116 uint8_t aeMode = 1117 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 0]; 1118 switch(aeMode) { 1119 case ANDROID_CONTROL_AE_MODE_ON: 1120 modes.flashMode = FLASH_MODE_OFF; 1121 break; 1122 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH: 1123 modes.flashMode = FLASH_MODE_AUTO; 1124 break; 1125 case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH: 1126 modes.flashMode = FLASH_MODE_ON; 1127 break; 1128 case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE: 1129 modes.flashMode = FLASH_MODE_RED_EYE; 1130 break; 1131 default: 1132 ALOGE("%s: Unknown override AE mode: %d", __FUNCTION__, 1133 aeMode); 1134 modes.flashMode = FLASH_MODE_INVALID; 1135 break; 1136 } 1137 modes.wbMode = 1138 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 1]; 1139 uint8_t afMode = 1140 sceneModeOverrides.data.u8[i * kModesPerSceneMode + 2]; 1141 switch(afMode) { 1142 case ANDROID_CONTROL_AF_MODE_OFF: 1143 if (!fixedLens && !canFocusInfinity) { 1144 ALOGE("%s: Camera %d: Scene mode override lists asks for" 1145 " fixed focus on a device with focuser but not" 1146 " calibrated for infinity focus", __FUNCTION__, 1147 cameraId); 1148 return NO_INIT; 1149 } 1150 modes.focusMode = fixedLens ? 1151 FOCUS_MODE_FIXED : FOCUS_MODE_INFINITY; 1152 break; 1153 case ANDROID_CONTROL_AF_MODE_AUTO: 1154 case ANDROID_CONTROL_AF_MODE_MACRO: 1155 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO: 1156 case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE: 1157 case ANDROID_CONTROL_AF_MODE_EDOF: 1158 modes.focusMode = static_cast<focusMode_t>(afMode); 1159 break; 1160 default: 1161 ALOGE("%s: Unknown override AF mode: %d", __FUNCTION__, 1162 afMode); 1163 modes.focusMode = FOCUS_MODE_INVALID; 1164 break; 1165 } 1166 fastInfo.sceneModeOverrides.add(availableSceneModes.data.u8[i], 1167 modes); 1168 } 1169 } 1170 1171 fastInfo.arrayWidth = arrayWidth; 1172 fastInfo.arrayHeight = arrayHeight; 1173 fastInfo.bestStillCaptureFpsRange[0] = bestStillCaptureFpsRange[0]; 1174 fastInfo.bestStillCaptureFpsRange[1] = bestStillCaptureFpsRange[1]; 1175 fastInfo.bestFaceDetectMode = bestFaceDetectMode; 1176 fastInfo.maxFaces = maxFaces; 1177 1178 // Find smallest (widest-angle) focal length to use as basis of still 1179 // picture FOV reporting. 1180 fastInfo.minFocalLength = availableFocalLengths.data.f[0]; 1181 for (size_t i = 1; i < availableFocalLengths.count; i++) { 1182 if (fastInfo.minFocalLength > availableFocalLengths.data.f[i]) { 1183 fastInfo.minFocalLength = availableFocalLengths.data.f[i]; 1184 } 1185 } 1186 1187 // Check if the HAL supports HAL_PIXEL_FORMAT_YCbCr_420_888 1188 fastInfo.useFlexibleYuv = false; 1189 for (size_t i = 0; i < availableFormats.size(); i++) { 1190 if (availableFormats[i] == HAL_PIXEL_FORMAT_YCbCr_420_888) { 1191 fastInfo.useFlexibleYuv = true; 1192 break; 1193 } 1194 } 1195 ALOGV("Camera %d: Flexible YUV %s supported", 1196 cameraId, fastInfo.useFlexibleYuv ? "is" : "is not"); 1197 1198 fastInfo.maxJpegSize = getMaxSize(getAvailableJpegSizes()); 1199 1200 return OK; 1201 } 1202 1203 status_t Parameters::buildQuirks() { 1204 camera_metadata_ro_entry_t entry; 1205 entry = info->find(ANDROID_QUIRKS_TRIGGER_AF_WITH_AUTO); 1206 quirks.triggerAfWithAuto = (entry.count != 0 && entry.data.u8[0] == 1); 1207 ALOGV_IF(quirks.triggerAfWithAuto, "Camera %d: Quirk triggerAfWithAuto enabled", 1208 cameraId); 1209 1210 entry = info->find(ANDROID_QUIRKS_USE_ZSL_FORMAT); 1211 quirks.useZslFormat = (entry.count != 0 && entry.data.u8[0] == 1); 1212 ALOGV_IF(quirks.useZslFormat, "Camera %d: Quirk useZslFormat enabled", 1213 cameraId); 1214 1215 entry = info->find(ANDROID_QUIRKS_METERING_CROP_REGION); 1216 quirks.meteringCropRegion = (entry.count != 0 && entry.data.u8[0] == 1); 1217 ALOGV_IF(quirks.meteringCropRegion, "Camera %d: Quirk meteringCropRegion" 1218 " enabled", cameraId); 1219 1220 entry = info->find(ANDROID_QUIRKS_USE_PARTIAL_RESULT); 1221 quirks.partialResults = (entry.count != 0 && entry.data.u8[0] == 1); 1222 ALOGV_IF(quirks.partialResults, "Camera %d: Quirk usePartialResult" 1223 " enabled", cameraId); 1224 1225 return OK; 1226 } 1227 1228 camera_metadata_ro_entry_t Parameters::staticInfo(uint32_t tag, 1229 size_t minCount, size_t maxCount, bool required) const { 1230 camera_metadata_ro_entry_t entry = info->find(tag); 1231 const camera_metadata_t *metaBuffer = info->getAndLock(); 1232 1233 if (CC_UNLIKELY( entry.count == 0 ) && required) { 1234 const char* tagSection = get_local_camera_metadata_section_name(tag, 1235 metaBuffer); 1236 if (tagSection == NULL) tagSection = "<unknown>"; 1237 const char* tagName = get_local_camera_metadata_tag_name(tag, 1238 metaBuffer); 1239 if (tagName == NULL) tagName = "<unknown>"; 1240 1241 ALOGE("Error finding static metadata entry '%s.%s' (%x)", 1242 tagSection, tagName, tag); 1243 } else if (CC_UNLIKELY( 1244 (minCount != 0 && entry.count < minCount) || 1245 (maxCount != 0 && entry.count > maxCount) ) ) { 1246 const char* tagSection = get_local_camera_metadata_section_name(tag, 1247 metaBuffer); 1248 if (tagSection == NULL) tagSection = "<unknown>"; 1249 const char* tagName = get_local_camera_metadata_tag_name(tag, 1250 metaBuffer); 1251 if (tagName == NULL) tagName = "<unknown>"; 1252 ALOGE("Malformed static metadata entry '%s.%s' (%x):" 1253 "Expected between %zu and %zu values, but got %zu values", 1254 tagSection, tagName, tag, minCount, maxCount, entry.count); 1255 } 1256 info->unlock(metaBuffer); 1257 1258 return entry; 1259 } 1260 1261 status_t Parameters::set(const String8& paramString) { 1262 status_t res; 1263 1264 CameraParameters2 newParams(paramString); 1265 1266 // TODO: Currently ignoring any changes to supposedly read-only parameters 1267 // such as supported preview sizes, etc. Should probably produce an error if 1268 // they're changed. 1269 1270 /** Extract and verify new parameters */ 1271 1272 size_t i; 1273 1274 Parameters validatedParams(*this); 1275 1276 // PREVIEW_SIZE 1277 newParams.getPreviewSize(&validatedParams.previewWidth, 1278 &validatedParams.previewHeight); 1279 1280 if (validatedParams.previewWidth != previewWidth || 1281 validatedParams.previewHeight != previewHeight) { 1282 if (state >= PREVIEW) { 1283 ALOGE("%s: Preview size cannot be updated when preview " 1284 "is active! (Currently %d x %d, requested %d x %d", 1285 __FUNCTION__, 1286 previewWidth, previewHeight, 1287 validatedParams.previewWidth, validatedParams.previewHeight); 1288 return BAD_VALUE; 1289 } 1290 for (i = 0; i < availablePreviewSizes.size(); i++) { 1291 if ((availablePreviewSizes[i].width == 1292 validatedParams.previewWidth) && 1293 (availablePreviewSizes[i].height == 1294 validatedParams.previewHeight)) break; 1295 } 1296 if (i == availablePreviewSizes.size()) { 1297 ALOGE("%s: Requested preview size %d x %d is not supported", 1298 __FUNCTION__, validatedParams.previewWidth, 1299 validatedParams.previewHeight); 1300 return BAD_VALUE; 1301 } 1302 } 1303 1304 // RECORDING_HINT (always supported) 1305 validatedParams.recordingHint = boolFromString( 1306 newParams.get(CameraParameters::KEY_RECORDING_HINT) ); 1307 IF_ALOGV() { // Avoid unused variable warning 1308 bool recordingHintChanged = 1309 validatedParams.recordingHint != recordingHint; 1310 if (recordingHintChanged) { 1311 ALOGV("%s: Recording hint changed to %d", 1312 __FUNCTION__, validatedParams.recordingHint); 1313 } 1314 } 1315 1316 // PREVIEW_FPS_RANGE 1317 1318 /** 1319 * Use the single FPS value if it was set later than the range. 1320 * Otherwise, use the range value. 1321 */ 1322 bool fpsUseSingleValue; 1323 { 1324 const char *fpsRange, *fpsSingle; 1325 1326 fpsRange = newParams.get(CameraParameters::KEY_PREVIEW_FRAME_RATE); 1327 fpsSingle = newParams.get(CameraParameters::KEY_PREVIEW_FPS_RANGE); 1328 1329 /** 1330 * Pick either the range or the single key if only one was set. 1331 * 1332 * If both are set, pick the one that has greater set order. 1333 */ 1334 if (fpsRange == NULL && fpsSingle == NULL) { 1335 ALOGE("%s: FPS was not set. One of %s or %s must be set.", 1336 __FUNCTION__, CameraParameters::KEY_PREVIEW_FRAME_RATE, 1337 CameraParameters::KEY_PREVIEW_FPS_RANGE); 1338 return BAD_VALUE; 1339 } else if (fpsRange == NULL) { 1340 fpsUseSingleValue = true; 1341 ALOGV("%s: FPS range not set, using FPS single value", 1342 __FUNCTION__); 1343 } else if (fpsSingle == NULL) { 1344 fpsUseSingleValue = false; 1345 ALOGV("%s: FPS single not set, using FPS range value", 1346 __FUNCTION__); 1347 } else { 1348 int fpsKeyOrder; 1349 res = newParams.compareSetOrder( 1350 CameraParameters::KEY_PREVIEW_FRAME_RATE, 1351 CameraParameters::KEY_PREVIEW_FPS_RANGE, 1352 &fpsKeyOrder); 1353 LOG_ALWAYS_FATAL_IF(res != OK, "Impossibly bad FPS keys"); 1354 1355 fpsUseSingleValue = (fpsKeyOrder > 0); 1356 1357 } 1358 1359 ALOGV("%s: Preview FPS value is used from '%s'", 1360 __FUNCTION__, fpsUseSingleValue ? "single" : "range"); 1361 } 1362 newParams.getPreviewFpsRange(&validatedParams.previewFpsRange[0], 1363 &validatedParams.previewFpsRange[1]); 1364 1365 validatedParams.previewFpsRange[0] /= kFpsToApiScale; 1366 validatedParams.previewFpsRange[1] /= kFpsToApiScale; 1367 1368 // Ignore the FPS range if the FPS single has higher precedence 1369 if (!fpsUseSingleValue) { 1370 ALOGV("%s: Preview FPS range (%d, %d)", __FUNCTION__, 1371 validatedParams.previewFpsRange[0], 1372 validatedParams.previewFpsRange[1]); 1373 1374 camera_metadata_ro_entry_t availablePreviewFpsRanges = 1375 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2); 1376 for (i = 0; i < availablePreviewFpsRanges.count; i += 2) { 1377 if ((availablePreviewFpsRanges.data.i32[i] == 1378 validatedParams.previewFpsRange[0]) && 1379 (availablePreviewFpsRanges.data.i32[i+1] == 1380 validatedParams.previewFpsRange[1]) ) { 1381 break; 1382 } 1383 } 1384 if (i == availablePreviewFpsRanges.count) { 1385 ALOGE("%s: Requested preview FPS range %d - %d is not supported", 1386 __FUNCTION__, validatedParams.previewFpsRange[0], 1387 validatedParams.previewFpsRange[1]); 1388 return BAD_VALUE; 1389 } 1390 } 1391 1392 // PREVIEW_FORMAT 1393 validatedParams.previewFormat = 1394 formatStringToEnum(newParams.getPreviewFormat()); 1395 if (validatedParams.previewFormat != previewFormat) { 1396 if (state >= PREVIEW) { 1397 ALOGE("%s: Preview format cannot be updated when preview " 1398 "is active!", __FUNCTION__); 1399 return BAD_VALUE; 1400 } 1401 SortedVector<int32_t> availableFormats = getAvailableOutputFormats(); 1402 // If using flexible YUV, always support NV21/YV12. Otherwise, check 1403 // HAL's list. 1404 if (! (fastInfo.useFlexibleYuv && 1405 (validatedParams.previewFormat == 1406 HAL_PIXEL_FORMAT_YCrCb_420_SP || 1407 validatedParams.previewFormat == 1408 HAL_PIXEL_FORMAT_YV12) ) ) { 1409 // Not using flexible YUV format, so check explicitly 1410 for (i = 0; i < availableFormats.size(); i++) { 1411 if (availableFormats[i] == validatedParams.previewFormat) break; 1412 } 1413 if (i == availableFormats.size()) { 1414 ALOGE("%s: Requested preview format %s (0x%x) is not supported", 1415 __FUNCTION__, newParams.getPreviewFormat(), 1416 validatedParams.previewFormat); 1417 return BAD_VALUE; 1418 } 1419 } 1420 } 1421 1422 // PREVIEW_FRAME_RATE Deprecated 1423 // - Use only if the single FPS value was set later than the FPS range 1424 if (fpsUseSingleValue) { 1425 int previewFps = newParams.getPreviewFrameRate(); 1426 ALOGV("%s: Preview FPS single value requested: %d", 1427 __FUNCTION__, previewFps); 1428 { 1429 camera_metadata_ro_entry_t availableFrameRates = 1430 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES); 1431 /** 1432 * If recording hint is set, find the range that encompasses 1433 * previewFps with the largest min index. 1434 * 1435 * If recording hint is not set, find the range with previewFps 1436 * with the smallest min index. 1437 * 1438 * Either way, in case of multiple ranges, break the tie by 1439 * selecting the smaller range. 1440 * 1441 * Always select range within 30fps if one exists. 1442 */ 1443 1444 // all ranges which have previewFps 1445 Vector<Range> candidateRanges; 1446 Vector<Range> candidateFastRanges; 1447 for (i = 0; i < availableFrameRates.count; i+=2) { 1448 Range r = { 1449 availableFrameRates.data.i32[i], 1450 availableFrameRates.data.i32[i+1] 1451 }; 1452 if (!isFpsSupported(availablePreviewSizes, 1453 HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, r.max)) { 1454 continue; 1455 } 1456 1457 if (r.min <= previewFps && previewFps <= r.max) { 1458 if (r.max <= MAX_DEFAULT_FPS) { 1459 candidateRanges.push(r); 1460 } else { 1461 candidateFastRanges.push(r); 1462 } 1463 } 1464 } 1465 if (candidateRanges.isEmpty() && candidateFastRanges.isEmpty()) { 1466 ALOGE("%s: Requested preview frame rate %d is not supported", 1467 __FUNCTION__, previewFps); 1468 return BAD_VALUE; 1469 } 1470 1471 // most applicable range with targetFps 1472 Vector<Range>& ranges = 1473 candidateRanges.size() > 0 ? candidateRanges : candidateFastRanges; 1474 Range bestRange = ranges[0]; 1475 for (i = 1; i < ranges.size(); ++i) { 1476 Range r = ranges[i]; 1477 // Find by largest minIndex in recording mode 1478 if (validatedParams.recordingHint) { 1479 if (r.min > bestRange.min) { 1480 bestRange = r; 1481 } 1482 else if (r.min == bestRange.min && r.max < bestRange.max) { 1483 bestRange = r; 1484 } 1485 } 1486 // Find by smallest minIndex in preview mode 1487 else { 1488 if (r.min < bestRange.min) { 1489 bestRange = r; 1490 } 1491 else if (r.min == bestRange.min && r.max < bestRange.max) { 1492 bestRange = r; 1493 } 1494 } 1495 } 1496 1497 validatedParams.previewFpsRange[0] = 1498 bestRange.min; 1499 validatedParams.previewFpsRange[1] = 1500 bestRange.max; 1501 1502 ALOGV("%s: New preview FPS range: %d, %d, recordingHint = %d", 1503 __FUNCTION__, 1504 validatedParams.previewFpsRange[0], 1505 validatedParams.previewFpsRange[1], 1506 validatedParams.recordingHint); 1507 } 1508 } 1509 1510 /** 1511 * Update Preview FPS and Preview FPS ranges based on 1512 * what we actually set. 1513 * 1514 * This updates the API-visible (Camera.Parameters#getParameters) values of 1515 * the FPS fields, not only the internal versions. 1516 * 1517 * Order matters: The value that was set last takes precedence. 1518 * - If the client does a setParameters(getParameters()) we retain 1519 * the same order for preview FPS. 1520 */ 1521 if (!fpsUseSingleValue) { 1522 // Set fps single, then fps range (range wins) 1523 newParams.setPreviewFrameRate( 1524 fpsFromRange(/*min*/validatedParams.previewFpsRange[0], 1525 /*max*/validatedParams.previewFpsRange[1])); 1526 newParams.setPreviewFpsRange( 1527 validatedParams.previewFpsRange[0] * kFpsToApiScale, 1528 validatedParams.previewFpsRange[1] * kFpsToApiScale); 1529 } else { 1530 // Set fps range, then fps single (single wins) 1531 newParams.setPreviewFpsRange( 1532 validatedParams.previewFpsRange[0] * kFpsToApiScale, 1533 validatedParams.previewFpsRange[1] * kFpsToApiScale); 1534 // Set this to the same value, but with higher priority 1535 newParams.setPreviewFrameRate( 1536 newParams.getPreviewFrameRate()); 1537 } 1538 1539 // PICTURE_SIZE 1540 newParams.getPictureSize(&validatedParams.pictureWidth, 1541 &validatedParams.pictureHeight); 1542 if (validatedParams.pictureWidth != pictureWidth || 1543 validatedParams.pictureHeight != pictureHeight) { 1544 Vector<Size> availablePictureSizes = getAvailableJpegSizes(); 1545 for (i = 0; i < availablePictureSizes.size(); i++) { 1546 if ((availablePictureSizes[i].width == 1547 validatedParams.pictureWidth) && 1548 (availablePictureSizes[i].height == 1549 validatedParams.pictureHeight)) break; 1550 } 1551 if (i == availablePictureSizes.size()) { 1552 ALOGE("%s: Requested picture size %d x %d is not supported", 1553 __FUNCTION__, validatedParams.pictureWidth, 1554 validatedParams.pictureHeight); 1555 return BAD_VALUE; 1556 } 1557 } 1558 1559 // JPEG_THUMBNAIL_WIDTH/HEIGHT 1560 validatedParams.jpegThumbSize[0] = 1561 newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH); 1562 validatedParams.jpegThumbSize[1] = 1563 newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT); 1564 if (validatedParams.jpegThumbSize[0] != jpegThumbSize[0] || 1565 validatedParams.jpegThumbSize[1] != jpegThumbSize[1]) { 1566 camera_metadata_ro_entry_t availableJpegThumbSizes = 1567 staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES); 1568 for (i = 0; i < availableJpegThumbSizes.count; i+=2) { 1569 if ((availableJpegThumbSizes.data.i32[i] == 1570 validatedParams.jpegThumbSize[0]) && 1571 (availableJpegThumbSizes.data.i32[i+1] == 1572 validatedParams.jpegThumbSize[1])) break; 1573 } 1574 if (i == availableJpegThumbSizes.count) { 1575 ALOGE("%s: Requested JPEG thumbnail size %d x %d is not supported", 1576 __FUNCTION__, validatedParams.jpegThumbSize[0], 1577 validatedParams.jpegThumbSize[1]); 1578 return BAD_VALUE; 1579 } 1580 } 1581 1582 // JPEG_THUMBNAIL_QUALITY 1583 int quality = newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY); 1584 // also makes sure quality fits in uint8_t 1585 if (quality < 0 || quality > 100) { 1586 ALOGE("%s: Requested JPEG thumbnail quality %d is not supported", 1587 __FUNCTION__, quality); 1588 return BAD_VALUE; 1589 } 1590 validatedParams.jpegThumbQuality = quality; 1591 1592 // JPEG_QUALITY 1593 quality = newParams.getInt(CameraParameters::KEY_JPEG_QUALITY); 1594 // also makes sure quality fits in uint8_t 1595 if (quality < 0 || quality > 100) { 1596 ALOGE("%s: Requested JPEG quality %d is not supported", 1597 __FUNCTION__, quality); 1598 return BAD_VALUE; 1599 } 1600 validatedParams.jpegQuality = quality; 1601 1602 // ROTATION 1603 validatedParams.jpegRotation = 1604 newParams.getInt(CameraParameters::KEY_ROTATION); 1605 if (validatedParams.jpegRotation != 0 && 1606 validatedParams.jpegRotation != 90 && 1607 validatedParams.jpegRotation != 180 && 1608 validatedParams.jpegRotation != 270) { 1609 ALOGE("%s: Requested picture rotation angle %d is not supported", 1610 __FUNCTION__, validatedParams.jpegRotation); 1611 return BAD_VALUE; 1612 } 1613 1614 // GPS 1615 1616 const char *gpsLatStr = 1617 newParams.get(CameraParameters::KEY_GPS_LATITUDE); 1618 if (gpsLatStr != NULL) { 1619 const char *gpsLongStr = 1620 newParams.get(CameraParameters::KEY_GPS_LONGITUDE); 1621 const char *gpsAltitudeStr = 1622 newParams.get(CameraParameters::KEY_GPS_ALTITUDE); 1623 const char *gpsTimeStr = 1624 newParams.get(CameraParameters::KEY_GPS_TIMESTAMP); 1625 const char *gpsProcMethodStr = 1626 newParams.get(CameraParameters::KEY_GPS_PROCESSING_METHOD); 1627 if (gpsLongStr == NULL || 1628 gpsAltitudeStr == NULL || 1629 gpsTimeStr == NULL || 1630 gpsProcMethodStr == NULL) { 1631 ALOGE("%s: Incomplete set of GPS parameters provided", 1632 __FUNCTION__); 1633 return BAD_VALUE; 1634 } 1635 char *endPtr; 1636 errno = 0; 1637 validatedParams.gpsCoordinates[0] = strtod(gpsLatStr, &endPtr); 1638 if (errno || endPtr == gpsLatStr) { 1639 ALOGE("%s: Malformed GPS latitude: %s", __FUNCTION__, gpsLatStr); 1640 return BAD_VALUE; 1641 } 1642 errno = 0; 1643 validatedParams.gpsCoordinates[1] = strtod(gpsLongStr, &endPtr); 1644 if (errno || endPtr == gpsLongStr) { 1645 ALOGE("%s: Malformed GPS longitude: %s", __FUNCTION__, gpsLongStr); 1646 return BAD_VALUE; 1647 } 1648 errno = 0; 1649 validatedParams.gpsCoordinates[2] = strtod(gpsAltitudeStr, &endPtr); 1650 if (errno || endPtr == gpsAltitudeStr) { 1651 ALOGE("%s: Malformed GPS altitude: %s", __FUNCTION__, 1652 gpsAltitudeStr); 1653 return BAD_VALUE; 1654 } 1655 errno = 0; 1656 validatedParams.gpsTimestamp = strtoll(gpsTimeStr, &endPtr, 10); 1657 if (errno || endPtr == gpsTimeStr) { 1658 ALOGE("%s: Malformed GPS timestamp: %s", __FUNCTION__, gpsTimeStr); 1659 return BAD_VALUE; 1660 } 1661 validatedParams.gpsProcessingMethod = gpsProcMethodStr; 1662 1663 validatedParams.gpsEnabled = true; 1664 } else { 1665 validatedParams.gpsEnabled = false; 1666 } 1667 1668 // EFFECT 1669 validatedParams.effectMode = effectModeStringToEnum( 1670 newParams.get(CameraParameters::KEY_EFFECT) ); 1671 if (validatedParams.effectMode != effectMode) { 1672 camera_metadata_ro_entry_t availableEffectModes = 1673 staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS); 1674 for (i = 0; i < availableEffectModes.count; i++) { 1675 if (validatedParams.effectMode == availableEffectModes.data.u8[i]) break; 1676 } 1677 if (i == availableEffectModes.count) { 1678 ALOGE("%s: Requested effect mode \"%s\" is not supported", 1679 __FUNCTION__, 1680 newParams.get(CameraParameters::KEY_EFFECT) ); 1681 return BAD_VALUE; 1682 } 1683 } 1684 1685 // ANTIBANDING 1686 validatedParams.antibandingMode = abModeStringToEnum( 1687 newParams.get(CameraParameters::KEY_ANTIBANDING) ); 1688 if (validatedParams.antibandingMode != antibandingMode) { 1689 camera_metadata_ro_entry_t availableAbModes = 1690 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES); 1691 for (i = 0; i < availableAbModes.count; i++) { 1692 if (validatedParams.antibandingMode == availableAbModes.data.u8[i]) 1693 break; 1694 } 1695 if (i == availableAbModes.count) { 1696 ALOGE("%s: Requested antibanding mode \"%s\" is not supported", 1697 __FUNCTION__, 1698 newParams.get(CameraParameters::KEY_ANTIBANDING)); 1699 return BAD_VALUE; 1700 } 1701 } 1702 1703 // SCENE_MODE 1704 validatedParams.sceneMode = sceneModeStringToEnum( 1705 newParams.get(CameraParameters::KEY_SCENE_MODE) ); 1706 if (validatedParams.sceneMode != sceneMode && 1707 validatedParams.sceneMode != 1708 ANDROID_CONTROL_SCENE_MODE_DISABLED) { 1709 camera_metadata_ro_entry_t availableSceneModes = 1710 staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES); 1711 for (i = 0; i < availableSceneModes.count; i++) { 1712 if (validatedParams.sceneMode == availableSceneModes.data.u8[i]) 1713 break; 1714 } 1715 if (i == availableSceneModes.count) { 1716 ALOGE("%s: Requested scene mode \"%s\" is not supported", 1717 __FUNCTION__, 1718 newParams.get(CameraParameters::KEY_SCENE_MODE)); 1719 return BAD_VALUE; 1720 } 1721 } 1722 bool sceneModeSet = 1723 validatedParams.sceneMode != ANDROID_CONTROL_SCENE_MODE_DISABLED; 1724 1725 // FLASH_MODE 1726 if (sceneModeSet) { 1727 validatedParams.flashMode = 1728 fastInfo.sceneModeOverrides. 1729 valueFor(validatedParams.sceneMode).flashMode; 1730 } else { 1731 validatedParams.flashMode = FLASH_MODE_INVALID; 1732 } 1733 if (validatedParams.flashMode == FLASH_MODE_INVALID) { 1734 validatedParams.flashMode = flashModeStringToEnum( 1735 newParams.get(CameraParameters::KEY_FLASH_MODE) ); 1736 } 1737 1738 if (validatedParams.flashMode != flashMode) { 1739 camera_metadata_ro_entry_t flashAvailable = 1740 staticInfo(ANDROID_FLASH_INFO_AVAILABLE, 1, 1); 1741 bool isFlashAvailable = 1742 flashAvailable.data.u8[0] == ANDROID_FLASH_INFO_AVAILABLE_TRUE; 1743 if (!isFlashAvailable && 1744 validatedParams.flashMode != Parameters::FLASH_MODE_OFF) { 1745 ALOGE("%s: Requested flash mode \"%s\" is not supported: " 1746 "No flash on device", __FUNCTION__, 1747 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1748 return BAD_VALUE; 1749 } else if (validatedParams.flashMode == Parameters::FLASH_MODE_RED_EYE) { 1750 camera_metadata_ro_entry_t availableAeModes = 1751 staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES); 1752 for (i = 0; i < availableAeModes.count; i++) { 1753 if (validatedParams.flashMode == availableAeModes.data.u8[i]) 1754 break; 1755 } 1756 if (i == availableAeModes.count) { 1757 ALOGE("%s: Requested flash mode \"%s\" is not supported", 1758 __FUNCTION__, 1759 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1760 return BAD_VALUE; 1761 } 1762 } else if (validatedParams.flashMode == -1) { 1763 ALOGE("%s: Requested flash mode \"%s\" is unknown", 1764 __FUNCTION__, 1765 newParams.get(CameraParameters::KEY_FLASH_MODE)); 1766 return BAD_VALUE; 1767 } 1768 // Update in case of override, but only if flash is supported 1769 if (isFlashAvailable) { 1770 newParams.set(CameraParameters::KEY_FLASH_MODE, 1771 flashModeEnumToString(validatedParams.flashMode)); 1772 } 1773 } 1774 1775 // WHITE_BALANCE 1776 if (sceneModeSet) { 1777 validatedParams.wbMode = 1778 fastInfo.sceneModeOverrides. 1779 valueFor(validatedParams.sceneMode).wbMode; 1780 } else { 1781 validatedParams.wbMode = ANDROID_CONTROL_AWB_MODE_OFF; 1782 } 1783 if (validatedParams.wbMode == ANDROID_CONTROL_AWB_MODE_OFF) { 1784 validatedParams.wbMode = wbModeStringToEnum( 1785 newParams.get(CameraParameters::KEY_WHITE_BALANCE) ); 1786 } 1787 if (validatedParams.wbMode != wbMode) { 1788 camera_metadata_ro_entry_t availableWbModes = 1789 staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES, 0, 0, false); 1790 for (i = 0; i < availableWbModes.count; i++) { 1791 if (validatedParams.wbMode == availableWbModes.data.u8[i]) break; 1792 } 1793 if (i == availableWbModes.count) { 1794 ALOGE("%s: Requested white balance mode %s is not supported", 1795 __FUNCTION__, 1796 newParams.get(CameraParameters::KEY_WHITE_BALANCE)); 1797 return BAD_VALUE; 1798 } 1799 // Update in case of override 1800 newParams.set(CameraParameters::KEY_WHITE_BALANCE, 1801 wbModeEnumToString(validatedParams.wbMode)); 1802 } 1803 1804 // FOCUS_MODE 1805 if (sceneModeSet) { 1806 validatedParams.focusMode = 1807 fastInfo.sceneModeOverrides. 1808 valueFor(validatedParams.sceneMode).focusMode; 1809 } else { 1810 validatedParams.focusMode = FOCUS_MODE_INVALID; 1811 } 1812 if (validatedParams.focusMode == FOCUS_MODE_INVALID) { 1813 validatedParams.focusMode = focusModeStringToEnum( 1814 newParams.get(CameraParameters::KEY_FOCUS_MODE) ); 1815 } 1816 if (validatedParams.focusMode != focusMode) { 1817 validatedParams.currentAfTriggerId = -1; 1818 if (validatedParams.focusMode != Parameters::FOCUS_MODE_FIXED) { 1819 camera_metadata_ro_entry_t minFocusDistance = 1820 staticInfo(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, 0, 0, 1821 false); 1822 if (minFocusDistance.count && minFocusDistance.data.f[0] == 0) { 1823 ALOGE("%s: Requested focus mode \"%s\" is not available: " 1824 "fixed focus lens", 1825 __FUNCTION__, 1826 newParams.get(CameraParameters::KEY_FOCUS_MODE)); 1827 return BAD_VALUE; 1828 } else if (validatedParams.focusMode != 1829 Parameters::FOCUS_MODE_INFINITY) { 1830 camera_metadata_ro_entry_t availableFocusModes = 1831 staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES); 1832 for (i = 0; i < availableFocusModes.count; i++) { 1833 if (validatedParams.focusMode == 1834 availableFocusModes.data.u8[i]) break; 1835 } 1836 if (i == availableFocusModes.count) { 1837 ALOGE("%s: Requested focus mode \"%s\" is not supported", 1838 __FUNCTION__, 1839 newParams.get(CameraParameters::KEY_FOCUS_MODE)); 1840 return BAD_VALUE; 1841 } 1842 } 1843 } 1844 validatedParams.focusState = ANDROID_CONTROL_AF_STATE_INACTIVE; 1845 // Always reset shadow focus mode to avoid reverting settings 1846 validatedParams.shadowFocusMode = FOCUS_MODE_INVALID; 1847 // Update in case of override 1848 newParams.set(CameraParameters::KEY_FOCUS_MODE, 1849 focusModeEnumToString(validatedParams.focusMode)); 1850 } else { 1851 validatedParams.currentAfTriggerId = currentAfTriggerId; 1852 } 1853 1854 // FOCUS_AREAS 1855 res = parseAreas(newParams.get(CameraParameters::KEY_FOCUS_AREAS), 1856 &validatedParams.focusingAreas); 1857 size_t maxAfRegions = (size_t)staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1858 Parameters::NUM_REGION, Parameters::NUM_REGION). 1859 data.i32[Parameters::REGION_AF]; 1860 if (res == OK) res = validateAreas(validatedParams.focusingAreas, 1861 maxAfRegions, AREA_KIND_FOCUS); 1862 if (res != OK) { 1863 ALOGE("%s: Requested focus areas are malformed: %s", 1864 __FUNCTION__, newParams.get(CameraParameters::KEY_FOCUS_AREAS)); 1865 return BAD_VALUE; 1866 } 1867 1868 // EXPOSURE_COMPENSATION 1869 validatedParams.exposureCompensation = 1870 newParams.getInt(CameraParameters::KEY_EXPOSURE_COMPENSATION); 1871 camera_metadata_ro_entry_t exposureCompensationRange = 1872 staticInfo(ANDROID_CONTROL_AE_COMPENSATION_RANGE); 1873 if ((validatedParams.exposureCompensation < 1874 exposureCompensationRange.data.i32[0]) || 1875 (validatedParams.exposureCompensation > 1876 exposureCompensationRange.data.i32[1])) { 1877 ALOGE("%s: Requested exposure compensation index is out of bounds: %d", 1878 __FUNCTION__, validatedParams.exposureCompensation); 1879 return BAD_VALUE; 1880 } 1881 1882 if (autoExposureLockAvailable) { 1883 validatedParams.autoExposureLock = boolFromString( 1884 newParams.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK)); 1885 } else if (nullptr != 1886 newParams.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK)){ 1887 ALOGE("%s: Requested auto exposure lock is not supported", 1888 __FUNCTION__); 1889 return BAD_VALUE; 1890 } 1891 1892 if (autoWhiteBalanceLockAvailable) { 1893 validatedParams.autoWhiteBalanceLock = boolFromString( 1894 newParams.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK)); 1895 } else if (nullptr != 1896 newParams.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK)) { 1897 ALOGE("%s: Requested auto whitebalance lock is not supported", 1898 __FUNCTION__); 1899 return BAD_VALUE; 1900 } 1901 1902 // METERING_AREAS 1903 size_t maxAeRegions = (size_t)staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1904 Parameters::NUM_REGION, Parameters::NUM_REGION). 1905 data.i32[Parameters::REGION_AE]; 1906 res = parseAreas(newParams.get(CameraParameters::KEY_METERING_AREAS), 1907 &validatedParams.meteringAreas); 1908 if (res == OK) { 1909 res = validateAreas(validatedParams.meteringAreas, maxAeRegions, 1910 AREA_KIND_METERING); 1911 } 1912 if (res != OK) { 1913 ALOGE("%s: Requested metering areas are malformed: %s", 1914 __FUNCTION__, 1915 newParams.get(CameraParameters::KEY_METERING_AREAS)); 1916 return BAD_VALUE; 1917 } 1918 1919 // ZOOM 1920 if (zoomAvailable) { 1921 validatedParams.zoom = newParams.getInt(CameraParameters::KEY_ZOOM); 1922 if (validatedParams.zoom < 0 1923 || validatedParams.zoom >= (int)NUM_ZOOM_STEPS) { 1924 ALOGE("%s: Requested zoom level %d is not supported", 1925 __FUNCTION__, validatedParams.zoom); 1926 return BAD_VALUE; 1927 } 1928 } 1929 1930 // VIDEO_SIZE 1931 newParams.getVideoSize(&validatedParams.videoWidth, 1932 &validatedParams.videoHeight); 1933 if (validatedParams.videoWidth != videoWidth || 1934 validatedParams.videoHeight != videoHeight) { 1935 if (state == RECORD) { 1936 ALOGW("%s: Video size cannot be updated (from %d x %d to %d x %d)" 1937 " when recording is active! Ignore the size update!", 1938 __FUNCTION__, videoWidth, videoHeight, validatedParams.videoWidth, 1939 validatedParams.videoHeight); 1940 validatedParams.videoWidth = videoWidth; 1941 validatedParams.videoHeight = videoHeight; 1942 newParams.setVideoSize(videoWidth, videoHeight); 1943 } else { 1944 for (i = 0; i < availableVideoSizes.size(); i++) { 1945 if ((availableVideoSizes[i].width == 1946 validatedParams.videoWidth) && 1947 (availableVideoSizes[i].height == 1948 validatedParams.videoHeight)) break; 1949 } 1950 if (i == availableVideoSizes.size()) { 1951 ALOGE("%s: Requested video size %d x %d is not supported", 1952 __FUNCTION__, validatedParams.videoWidth, 1953 validatedParams.videoHeight); 1954 return BAD_VALUE; 1955 } 1956 } 1957 } 1958 1959 // VIDEO_STABILIZATION 1960 validatedParams.videoStabilization = boolFromString( 1961 newParams.get(CameraParameters::KEY_VIDEO_STABILIZATION) ); 1962 camera_metadata_ro_entry_t availableVideoStabilizationModes = 1963 staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, 0, 0, 1964 false); 1965 if (validatedParams.videoStabilization && 1966 availableVideoStabilizationModes.count == 1) { 1967 ALOGE("%s: Video stabilization not supported", __FUNCTION__); 1968 } 1969 1970 /** Update internal parameters */ 1971 1972 *this = validatedParams; 1973 updateOverriddenJpegSize(); 1974 1975 /** Update external parameters calculated from the internal ones */ 1976 1977 // HORIZONTAL/VERTICAL FIELD OF VIEW 1978 float horizFov, vertFov; 1979 res = calculatePictureFovs(&horizFov, &vertFov); 1980 if (res != OK) { 1981 ALOGE("%s: Can't calculate FOVs", __FUNCTION__); 1982 // continue so parameters are at least consistent 1983 } 1984 newParams.setFloat(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, 1985 horizFov); 1986 newParams.setFloat(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, 1987 vertFov); 1988 ALOGV("Current still picture FOV: %f x %f deg", horizFov, vertFov); 1989 1990 // Need to flatten again in case of overrides 1991 paramsFlattened = newParams.flatten(); 1992 params = newParams; 1993 1994 slowJpegMode = false; 1995 Size pictureSize = { pictureWidth, pictureHeight }; 1996 int64_t minFrameDurationNs = getJpegStreamMinFrameDurationNs(pictureSize); 1997 if (previewFpsRange[1] > 1e9/minFrameDurationNs + FPS_MARGIN) { 1998 slowJpegMode = true; 1999 } 2000 if (slowJpegMode || property_get_bool("camera.disable_zsl_mode", false)) { 2001 allowZslMode = false; 2002 } else { 2003 allowZslMode = isZslReprocessPresent; 2004 } 2005 ALOGV("%s: allowZslMode: %d slowJpegMode %d", __FUNCTION__, allowZslMode, slowJpegMode); 2006 2007 return OK; 2008 } 2009 2010 status_t Parameters::updateRequest(CameraMetadata *request) const { 2011 ATRACE_CALL(); 2012 status_t res; 2013 2014 /** 2015 * Mixin default important security values 2016 * - android.led.transmit = defaulted ON 2017 */ 2018 camera_metadata_ro_entry_t entry = staticInfo(ANDROID_LED_AVAILABLE_LEDS, 2019 /*minimumCount*/0, 2020 /*maximumCount*/0, 2021 /*required*/false); 2022 for(size_t i = 0; i < entry.count; ++i) { 2023 uint8_t led = entry.data.u8[i]; 2024 2025 switch(led) { 2026 // Transmit LED is unconditionally on when using 2027 // the android.hardware.Camera API 2028 case ANDROID_LED_AVAILABLE_LEDS_TRANSMIT: { 2029 uint8_t transmitDefault = ANDROID_LED_TRANSMIT_ON; 2030 res = request->update(ANDROID_LED_TRANSMIT, 2031 &transmitDefault, 1); 2032 if (res != OK) return res; 2033 break; 2034 } 2035 } 2036 } 2037 2038 /** 2039 * Construct metadata from parameters 2040 */ 2041 2042 uint8_t metadataMode = ANDROID_REQUEST_METADATA_MODE_FULL; 2043 res = request->update(ANDROID_REQUEST_METADATA_MODE, 2044 &metadataMode, 1); 2045 if (res != OK) return res; 2046 2047 camera_metadata_entry_t intent = 2048 request->find(ANDROID_CONTROL_CAPTURE_INTENT); 2049 2050 if (intent.count == 0) return BAD_VALUE; 2051 2052 if (intent.data.u8[0] == ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE) { 2053 res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, 2054 fastInfo.bestStillCaptureFpsRange, 2); 2055 } else { 2056 res = request->update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, 2057 previewFpsRange, 2); 2058 } 2059 if (res != OK) return res; 2060 2061 if (autoWhiteBalanceLockAvailable) { 2062 uint8_t reqWbLock = autoWhiteBalanceLock ? 2063 ANDROID_CONTROL_AWB_LOCK_ON : ANDROID_CONTROL_AWB_LOCK_OFF; 2064 res = request->update(ANDROID_CONTROL_AWB_LOCK, 2065 &reqWbLock, 1); 2066 } 2067 2068 res = request->update(ANDROID_CONTROL_EFFECT_MODE, 2069 &effectMode, 1); 2070 if (res != OK) return res; 2071 res = request->update(ANDROID_CONTROL_AE_ANTIBANDING_MODE, 2072 &antibandingMode, 1); 2073 if (res != OK) return res; 2074 2075 // android.hardware.Camera requires that when face detect is enabled, the 2076 // camera is in a face-priority mode. HAL3.x splits this into separate parts 2077 // (face detection statistics and face priority scene mode). Map from other 2078 // to the other. 2079 bool sceneModeActive = 2080 sceneMode != (uint8_t)ANDROID_CONTROL_SCENE_MODE_DISABLED; 2081 uint8_t reqControlMode = ANDROID_CONTROL_MODE_AUTO; 2082 if (enableFaceDetect || sceneModeActive) { 2083 reqControlMode = ANDROID_CONTROL_MODE_USE_SCENE_MODE; 2084 } 2085 res = request->update(ANDROID_CONTROL_MODE, 2086 &reqControlMode, 1); 2087 if (res != OK) return res; 2088 2089 uint8_t reqSceneMode = 2090 sceneModeActive ? sceneMode : 2091 enableFaceDetect ? (uint8_t)ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY : 2092 (uint8_t)ANDROID_CONTROL_SCENE_MODE_DISABLED; 2093 res = request->update(ANDROID_CONTROL_SCENE_MODE, 2094 &reqSceneMode, 1); 2095 if (res != OK) return res; 2096 2097 uint8_t reqFlashMode = ANDROID_FLASH_MODE_OFF; 2098 uint8_t reqAeMode = ANDROID_CONTROL_AE_MODE_OFF; 2099 switch (flashMode) { 2100 case Parameters::FLASH_MODE_OFF: 2101 reqAeMode = ANDROID_CONTROL_AE_MODE_ON; break; 2102 case Parameters::FLASH_MODE_AUTO: 2103 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH; break; 2104 case Parameters::FLASH_MODE_ON: 2105 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH; break; 2106 case Parameters::FLASH_MODE_TORCH: 2107 reqAeMode = ANDROID_CONTROL_AE_MODE_ON; 2108 reqFlashMode = ANDROID_FLASH_MODE_TORCH; 2109 break; 2110 case Parameters::FLASH_MODE_RED_EYE: 2111 reqAeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE; break; 2112 default: 2113 ALOGE("%s: Camera %d: Unknown flash mode %d", __FUNCTION__, 2114 cameraId, flashMode); 2115 return BAD_VALUE; 2116 } 2117 res = request->update(ANDROID_FLASH_MODE, 2118 &reqFlashMode, 1); 2119 if (res != OK) return res; 2120 res = request->update(ANDROID_CONTROL_AE_MODE, 2121 &reqAeMode, 1); 2122 if (res != OK) return res; 2123 2124 if (autoExposureLockAvailable) { 2125 uint8_t reqAeLock = autoExposureLock ? 2126 ANDROID_CONTROL_AE_LOCK_ON : ANDROID_CONTROL_AE_LOCK_OFF; 2127 res = request->update(ANDROID_CONTROL_AE_LOCK, 2128 &reqAeLock, 1); 2129 if (res != OK) return res; 2130 } 2131 2132 res = request->update(ANDROID_CONTROL_AWB_MODE, 2133 &wbMode, 1); 2134 if (res != OK) return res; 2135 2136 float reqFocusDistance = 0; // infinity focus in diopters 2137 uint8_t reqFocusMode = ANDROID_CONTROL_AF_MODE_OFF; 2138 switch (focusMode) { 2139 case Parameters::FOCUS_MODE_AUTO: 2140 case Parameters::FOCUS_MODE_MACRO: 2141 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 2142 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 2143 case Parameters::FOCUS_MODE_EDOF: 2144 reqFocusMode = focusMode; 2145 break; 2146 case Parameters::FOCUS_MODE_INFINITY: 2147 case Parameters::FOCUS_MODE_FIXED: 2148 reqFocusMode = ANDROID_CONTROL_AF_MODE_OFF; 2149 break; 2150 default: 2151 ALOGE("%s: Camera %d: Unknown focus mode %d", __FUNCTION__, 2152 cameraId, focusMode); 2153 return BAD_VALUE; 2154 } 2155 res = request->update(ANDROID_LENS_FOCUS_DISTANCE, 2156 &reqFocusDistance, 1); 2157 if (res != OK) return res; 2158 res = request->update(ANDROID_CONTROL_AF_MODE, 2159 &reqFocusMode, 1); 2160 if (res != OK) return res; 2161 2162 size_t reqFocusingAreasSize = focusingAreas.size() * 5; 2163 int32_t *reqFocusingAreas = new int32_t[reqFocusingAreasSize]; 2164 for (size_t i = 0, j = 0; i < reqFocusingAreasSize; i += 5, j++) { 2165 if (focusingAreas[j].weight != 0) { 2166 reqFocusingAreas[i + 0] = 2167 normalizedXToArray(focusingAreas[j].left); 2168 reqFocusingAreas[i + 1] = 2169 normalizedYToArray(focusingAreas[j].top); 2170 reqFocusingAreas[i + 2] = 2171 normalizedXToArray(focusingAreas[j].right); 2172 reqFocusingAreas[i + 3] = 2173 normalizedYToArray(focusingAreas[j].bottom); 2174 } else { 2175 reqFocusingAreas[i + 0] = 0; 2176 reqFocusingAreas[i + 1] = 0; 2177 reqFocusingAreas[i + 2] = 0; 2178 reqFocusingAreas[i + 3] = 0; 2179 } 2180 reqFocusingAreas[i + 4] = focusingAreas[j].weight; 2181 } 2182 res = request->update(ANDROID_CONTROL_AF_REGIONS, 2183 reqFocusingAreas, reqFocusingAreasSize); 2184 if (res != OK) return res; 2185 delete[] reqFocusingAreas; 2186 2187 res = request->update(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, 2188 &exposureCompensation, 1); 2189 if (res != OK) return res; 2190 2191 size_t reqMeteringAreasSize = meteringAreas.size() * 5; 2192 int32_t *reqMeteringAreas = new int32_t[reqMeteringAreasSize]; 2193 for (size_t i = 0, j = 0; i < reqMeteringAreasSize; i += 5, j++) { 2194 if (meteringAreas[j].weight != 0) { 2195 reqMeteringAreas[i + 0] = 2196 normalizedXToArray(meteringAreas[j].left); 2197 reqMeteringAreas[i + 1] = 2198 normalizedYToArray(meteringAreas[j].top); 2199 reqMeteringAreas[i + 2] = 2200 normalizedXToArray(meteringAreas[j].right); 2201 reqMeteringAreas[i + 3] = 2202 normalizedYToArray(meteringAreas[j].bottom); 2203 } else { 2204 reqMeteringAreas[i + 0] = 0; 2205 reqMeteringAreas[i + 1] = 0; 2206 reqMeteringAreas[i + 2] = 0; 2207 reqMeteringAreas[i + 3] = 0; 2208 } 2209 reqMeteringAreas[i + 4] = meteringAreas[j].weight; 2210 } 2211 res = request->update(ANDROID_CONTROL_AE_REGIONS, 2212 reqMeteringAreas, reqMeteringAreasSize); 2213 if (res != OK) return res; 2214 2215 // Set awb regions to be the same as the metering regions if allowed 2216 size_t maxAwbRegions = (size_t)staticInfo(ANDROID_CONTROL_MAX_REGIONS, 2217 Parameters::NUM_REGION, Parameters::NUM_REGION). 2218 data.i32[Parameters::REGION_AWB]; 2219 if (maxAwbRegions > 0) { 2220 if (maxAwbRegions >= meteringAreas.size()) { 2221 res = request->update(ANDROID_CONTROL_AWB_REGIONS, 2222 reqMeteringAreas, reqMeteringAreasSize); 2223 } else { 2224 // Ensure the awb regions are zeroed if the region count is too high. 2225 int32_t zeroedAwbAreas[5] = {0, 0, 0, 0, 0}; 2226 res = request->update(ANDROID_CONTROL_AWB_REGIONS, 2227 zeroedAwbAreas, sizeof(zeroedAwbAreas)/sizeof(int32_t)); 2228 } 2229 if (res != OK) return res; 2230 } 2231 2232 delete[] reqMeteringAreas; 2233 2234 CropRegion crop = calculateCropRegion(/*previewOnly*/ false); 2235 int32_t reqCropRegion[4] = { 2236 static_cast<int32_t>(crop.left), 2237 static_cast<int32_t>(crop.top), 2238 static_cast<int32_t>(crop.width), 2239 static_cast<int32_t>(crop.height) 2240 }; 2241 res = request->update(ANDROID_SCALER_CROP_REGION, 2242 reqCropRegion, 4); 2243 if (res != OK) return res; 2244 2245 uint8_t reqVstabMode = videoStabilization ? 2246 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_ON : 2247 ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF; 2248 res = request->update(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, 2249 &reqVstabMode, 1); 2250 if (res != OK) return res; 2251 2252 uint8_t reqFaceDetectMode = enableFaceDetect ? 2253 fastInfo.bestFaceDetectMode : 2254 (uint8_t)ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; 2255 res = request->update(ANDROID_STATISTICS_FACE_DETECT_MODE, 2256 &reqFaceDetectMode, 1); 2257 if (res != OK) return res; 2258 2259 return OK; 2260 } 2261 2262 status_t Parameters::updateRequestJpeg(CameraMetadata *request) const { 2263 status_t res; 2264 2265 res = request->update(ANDROID_JPEG_THUMBNAIL_SIZE, 2266 jpegThumbSize, 2); 2267 if (res != OK) return res; 2268 res = request->update(ANDROID_JPEG_THUMBNAIL_QUALITY, 2269 &jpegThumbQuality, 1); 2270 if (res != OK) return res; 2271 res = request->update(ANDROID_JPEG_QUALITY, 2272 &jpegQuality, 1); 2273 if (res != OK) return res; 2274 res = request->update( 2275 ANDROID_JPEG_ORIENTATION, 2276 &jpegRotation, 1); 2277 if (res != OK) return res; 2278 2279 if (gpsEnabled) { 2280 res = request->update( 2281 ANDROID_JPEG_GPS_COORDINATES, 2282 gpsCoordinates, 3); 2283 if (res != OK) return res; 2284 res = request->update( 2285 ANDROID_JPEG_GPS_TIMESTAMP, 2286 &gpsTimestamp, 1); 2287 if (res != OK) return res; 2288 res = request->update( 2289 ANDROID_JPEG_GPS_PROCESSING_METHOD, 2290 gpsProcessingMethod); 2291 if (res != OK) return res; 2292 } else { 2293 res = request->erase(ANDROID_JPEG_GPS_COORDINATES); 2294 if (res != OK) return res; 2295 res = request->erase(ANDROID_JPEG_GPS_TIMESTAMP); 2296 if (res != OK) return res; 2297 res = request->erase(ANDROID_JPEG_GPS_PROCESSING_METHOD); 2298 if (res != OK) return res; 2299 } 2300 return OK; 2301 } 2302 2303 status_t Parameters::overrideJpegSizeByVideoSize() { 2304 if (pictureSizeOverriden) { 2305 ALOGV("Picture size has been overridden. Skip overriding"); 2306 return OK; 2307 } 2308 2309 pictureSizeOverriden = true; 2310 pictureWidthLastSet = pictureWidth; 2311 pictureHeightLastSet = pictureHeight; 2312 pictureWidth = videoWidth; 2313 pictureHeight = videoHeight; 2314 // This change of picture size is invisible to app layer. 2315 // Do not update app visible params 2316 return OK; 2317 } 2318 2319 status_t Parameters::updateOverriddenJpegSize() { 2320 if (!pictureSizeOverriden) { 2321 ALOGV("Picture size has not been overridden. Skip checking"); 2322 return OK; 2323 } 2324 2325 pictureWidthLastSet = pictureWidth; 2326 pictureHeightLastSet = pictureHeight; 2327 2328 if (pictureWidth <= videoWidth && pictureHeight <= videoHeight) { 2329 // Picture size is now smaller than video size. No need to override anymore 2330 return recoverOverriddenJpegSize(); 2331 } 2332 2333 pictureWidth = videoWidth; 2334 pictureHeight = videoHeight; 2335 2336 return OK; 2337 } 2338 2339 status_t Parameters::recoverOverriddenJpegSize() { 2340 if (!pictureSizeOverriden) { 2341 ALOGV("Picture size has not been overridden. Skip recovering"); 2342 return OK; 2343 } 2344 pictureSizeOverriden = false; 2345 pictureWidth = pictureWidthLastSet; 2346 pictureHeight = pictureHeightLastSet; 2347 return OK; 2348 } 2349 2350 bool Parameters::isJpegSizeOverridden() { 2351 return pictureSizeOverriden; 2352 } 2353 2354 bool Parameters::useZeroShutterLag() const { 2355 // If ZSL mode is disabled, don't use it 2356 if (!allowZslMode) return false; 2357 // If recording hint is enabled, don't do ZSL 2358 if (recordingHint) return false; 2359 // If still capture size is no bigger than preview or video size, 2360 // don't do ZSL 2361 if (pictureWidth <= previewWidth || pictureHeight <= previewHeight || 2362 pictureWidth <= videoWidth || pictureHeight <= videoHeight) { 2363 return false; 2364 } 2365 // If still capture size is less than quarter of max, don't do ZSL 2366 if ((pictureWidth * pictureHeight) < 2367 (fastInfo.maxJpegSize.width * fastInfo.maxJpegSize.height / 4) ) { 2368 return false; 2369 } 2370 return true; 2371 } 2372 2373 const char* Parameters::getStateName(State state) { 2374 #define CASE_ENUM_TO_CHAR(x) case x: return(#x); break; 2375 switch(state) { 2376 CASE_ENUM_TO_CHAR(DISCONNECTED) 2377 CASE_ENUM_TO_CHAR(STOPPED) 2378 CASE_ENUM_TO_CHAR(WAITING_FOR_PREVIEW_WINDOW) 2379 CASE_ENUM_TO_CHAR(PREVIEW) 2380 CASE_ENUM_TO_CHAR(RECORD) 2381 CASE_ENUM_TO_CHAR(STILL_CAPTURE) 2382 CASE_ENUM_TO_CHAR(VIDEO_SNAPSHOT) 2383 default: 2384 return "Unknown state!"; 2385 break; 2386 } 2387 #undef CASE_ENUM_TO_CHAR 2388 } 2389 2390 int Parameters::formatStringToEnum(const char *format) { 2391 return CameraParameters::previewFormatToEnum(format); 2392 } 2393 2394 const char* Parameters::formatEnumToString(int format) { 2395 const char *fmt; 2396 switch(format) { 2397 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 2398 fmt = CameraParameters::PIXEL_FORMAT_YUV422SP; 2399 break; 2400 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 2401 fmt = CameraParameters::PIXEL_FORMAT_YUV420SP; 2402 break; 2403 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 2404 fmt = CameraParameters::PIXEL_FORMAT_YUV422I; 2405 break; 2406 case HAL_PIXEL_FORMAT_YV12: // YV12 2407 fmt = CameraParameters::PIXEL_FORMAT_YUV420P; 2408 break; 2409 case HAL_PIXEL_FORMAT_RGB_565: // RGB565 2410 fmt = CameraParameters::PIXEL_FORMAT_RGB565; 2411 break; 2412 case HAL_PIXEL_FORMAT_RGBA_8888: // RGBA8888 2413 fmt = CameraParameters::PIXEL_FORMAT_RGBA8888; 2414 break; 2415 case HAL_PIXEL_FORMAT_RAW16: 2416 ALOGW("Raw sensor preview format requested."); 2417 fmt = CameraParameters::PIXEL_FORMAT_BAYER_RGGB; 2418 break; 2419 default: 2420 ALOGE("%s: Unknown preview format: %x", 2421 __FUNCTION__, format); 2422 fmt = NULL; 2423 break; 2424 } 2425 return fmt; 2426 } 2427 2428 int Parameters::wbModeStringToEnum(const char *wbMode) { 2429 return 2430 !wbMode ? 2431 ANDROID_CONTROL_AWB_MODE_AUTO : 2432 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_AUTO) ? 2433 ANDROID_CONTROL_AWB_MODE_AUTO : 2434 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_INCANDESCENT) ? 2435 ANDROID_CONTROL_AWB_MODE_INCANDESCENT : 2436 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_FLUORESCENT) ? 2437 ANDROID_CONTROL_AWB_MODE_FLUORESCENT : 2438 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT) ? 2439 ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT : 2440 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_DAYLIGHT) ? 2441 ANDROID_CONTROL_AWB_MODE_DAYLIGHT : 2442 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT) ? 2443 ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT : 2444 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_TWILIGHT) ? 2445 ANDROID_CONTROL_AWB_MODE_TWILIGHT : 2446 !strcmp(wbMode, CameraParameters::WHITE_BALANCE_SHADE) ? 2447 ANDROID_CONTROL_AWB_MODE_SHADE : 2448 -1; 2449 } 2450 2451 const char* Parameters::wbModeEnumToString(uint8_t wbMode) { 2452 switch (wbMode) { 2453 case ANDROID_CONTROL_AWB_MODE_AUTO: 2454 return CameraParameters::WHITE_BALANCE_AUTO; 2455 case ANDROID_CONTROL_AWB_MODE_INCANDESCENT: 2456 return CameraParameters::WHITE_BALANCE_INCANDESCENT; 2457 case ANDROID_CONTROL_AWB_MODE_FLUORESCENT: 2458 return CameraParameters::WHITE_BALANCE_FLUORESCENT; 2459 case ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT: 2460 return CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT; 2461 case ANDROID_CONTROL_AWB_MODE_DAYLIGHT: 2462 return CameraParameters::WHITE_BALANCE_DAYLIGHT; 2463 case ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT: 2464 return CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT; 2465 case ANDROID_CONTROL_AWB_MODE_TWILIGHT: 2466 return CameraParameters::WHITE_BALANCE_TWILIGHT; 2467 case ANDROID_CONTROL_AWB_MODE_SHADE: 2468 return CameraParameters::WHITE_BALANCE_SHADE; 2469 default: 2470 ALOGE("%s: Unknown AWB mode enum: %d", 2471 __FUNCTION__, wbMode); 2472 return "unknown"; 2473 } 2474 } 2475 2476 int Parameters::effectModeStringToEnum(const char *effectMode) { 2477 return 2478 !effectMode ? 2479 ANDROID_CONTROL_EFFECT_MODE_OFF : 2480 !strcmp(effectMode, CameraParameters::EFFECT_NONE) ? 2481 ANDROID_CONTROL_EFFECT_MODE_OFF : 2482 !strcmp(effectMode, CameraParameters::EFFECT_MONO) ? 2483 ANDROID_CONTROL_EFFECT_MODE_MONO : 2484 !strcmp(effectMode, CameraParameters::EFFECT_NEGATIVE) ? 2485 ANDROID_CONTROL_EFFECT_MODE_NEGATIVE : 2486 !strcmp(effectMode, CameraParameters::EFFECT_SOLARIZE) ? 2487 ANDROID_CONTROL_EFFECT_MODE_SOLARIZE : 2488 !strcmp(effectMode, CameraParameters::EFFECT_SEPIA) ? 2489 ANDROID_CONTROL_EFFECT_MODE_SEPIA : 2490 !strcmp(effectMode, CameraParameters::EFFECT_POSTERIZE) ? 2491 ANDROID_CONTROL_EFFECT_MODE_POSTERIZE : 2492 !strcmp(effectMode, CameraParameters::EFFECT_WHITEBOARD) ? 2493 ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD : 2494 !strcmp(effectMode, CameraParameters::EFFECT_BLACKBOARD) ? 2495 ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD : 2496 !strcmp(effectMode, CameraParameters::EFFECT_AQUA) ? 2497 ANDROID_CONTROL_EFFECT_MODE_AQUA : 2498 -1; 2499 } 2500 2501 int Parameters::abModeStringToEnum(const char *abMode) { 2502 return 2503 !abMode ? 2504 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO : 2505 !strcmp(abMode, CameraParameters::ANTIBANDING_AUTO) ? 2506 ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO : 2507 !strcmp(abMode, CameraParameters::ANTIBANDING_OFF) ? 2508 ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF : 2509 !strcmp(abMode, CameraParameters::ANTIBANDING_50HZ) ? 2510 ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ : 2511 !strcmp(abMode, CameraParameters::ANTIBANDING_60HZ) ? 2512 ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ : 2513 -1; 2514 } 2515 2516 int Parameters::sceneModeStringToEnum(const char *sceneMode) { 2517 return 2518 !sceneMode ? 2519 ANDROID_CONTROL_SCENE_MODE_DISABLED : 2520 !strcmp(sceneMode, CameraParameters::SCENE_MODE_AUTO) ? 2521 ANDROID_CONTROL_SCENE_MODE_DISABLED : 2522 !strcmp(sceneMode, CameraParameters::SCENE_MODE_ACTION) ? 2523 ANDROID_CONTROL_SCENE_MODE_ACTION : 2524 !strcmp(sceneMode, CameraParameters::SCENE_MODE_PORTRAIT) ? 2525 ANDROID_CONTROL_SCENE_MODE_PORTRAIT : 2526 !strcmp(sceneMode, CameraParameters::SCENE_MODE_LANDSCAPE) ? 2527 ANDROID_CONTROL_SCENE_MODE_LANDSCAPE : 2528 !strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT) ? 2529 ANDROID_CONTROL_SCENE_MODE_NIGHT : 2530 !strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT_PORTRAIT) ? 2531 ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT : 2532 !strcmp(sceneMode, CameraParameters::SCENE_MODE_THEATRE) ? 2533 ANDROID_CONTROL_SCENE_MODE_THEATRE : 2534 !strcmp(sceneMode, CameraParameters::SCENE_MODE_BEACH) ? 2535 ANDROID_CONTROL_SCENE_MODE_BEACH : 2536 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SNOW) ? 2537 ANDROID_CONTROL_SCENE_MODE_SNOW : 2538 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SUNSET) ? 2539 ANDROID_CONTROL_SCENE_MODE_SUNSET : 2540 !strcmp(sceneMode, CameraParameters::SCENE_MODE_STEADYPHOTO) ? 2541 ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO : 2542 !strcmp(sceneMode, CameraParameters::SCENE_MODE_FIREWORKS) ? 2543 ANDROID_CONTROL_SCENE_MODE_FIREWORKS : 2544 !strcmp(sceneMode, CameraParameters::SCENE_MODE_SPORTS) ? 2545 ANDROID_CONTROL_SCENE_MODE_SPORTS : 2546 !strcmp(sceneMode, CameraParameters::SCENE_MODE_PARTY) ? 2547 ANDROID_CONTROL_SCENE_MODE_PARTY : 2548 !strcmp(sceneMode, CameraParameters::SCENE_MODE_CANDLELIGHT) ? 2549 ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT : 2550 !strcmp(sceneMode, CameraParameters::SCENE_MODE_BARCODE) ? 2551 ANDROID_CONTROL_SCENE_MODE_BARCODE: 2552 !strcmp(sceneMode, CameraParameters::SCENE_MODE_HDR) ? 2553 ANDROID_CONTROL_SCENE_MODE_HDR: 2554 -1; 2555 } 2556 2557 Parameters::Parameters::flashMode_t Parameters::flashModeStringToEnum( 2558 const char *flashMode) { 2559 return 2560 !flashMode ? 2561 Parameters::FLASH_MODE_OFF : 2562 !strcmp(flashMode, CameraParameters::FLASH_MODE_OFF) ? 2563 Parameters::FLASH_MODE_OFF : 2564 !strcmp(flashMode, CameraParameters::FLASH_MODE_AUTO) ? 2565 Parameters::FLASH_MODE_AUTO : 2566 !strcmp(flashMode, CameraParameters::FLASH_MODE_ON) ? 2567 Parameters::FLASH_MODE_ON : 2568 !strcmp(flashMode, CameraParameters::FLASH_MODE_RED_EYE) ? 2569 Parameters::FLASH_MODE_RED_EYE : 2570 !strcmp(flashMode, CameraParameters::FLASH_MODE_TORCH) ? 2571 Parameters::FLASH_MODE_TORCH : 2572 Parameters::FLASH_MODE_INVALID; 2573 } 2574 2575 const char *Parameters::flashModeEnumToString(flashMode_t flashMode) { 2576 switch (flashMode) { 2577 case FLASH_MODE_OFF: 2578 return CameraParameters::FLASH_MODE_OFF; 2579 case FLASH_MODE_AUTO: 2580 return CameraParameters::FLASH_MODE_AUTO; 2581 case FLASH_MODE_ON: 2582 return CameraParameters::FLASH_MODE_ON; 2583 case FLASH_MODE_RED_EYE: 2584 return CameraParameters::FLASH_MODE_RED_EYE; 2585 case FLASH_MODE_TORCH: 2586 return CameraParameters::FLASH_MODE_TORCH; 2587 default: 2588 ALOGE("%s: Unknown flash mode enum %d", 2589 __FUNCTION__, flashMode); 2590 return "unknown"; 2591 } 2592 } 2593 2594 Parameters::Parameters::focusMode_t Parameters::focusModeStringToEnum( 2595 const char *focusMode) { 2596 return 2597 !focusMode ? 2598 Parameters::FOCUS_MODE_INVALID : 2599 !strcmp(focusMode, CameraParameters::FOCUS_MODE_AUTO) ? 2600 Parameters::FOCUS_MODE_AUTO : 2601 !strcmp(focusMode, CameraParameters::FOCUS_MODE_INFINITY) ? 2602 Parameters::FOCUS_MODE_INFINITY : 2603 !strcmp(focusMode, CameraParameters::FOCUS_MODE_MACRO) ? 2604 Parameters::FOCUS_MODE_MACRO : 2605 !strcmp(focusMode, CameraParameters::FOCUS_MODE_FIXED) ? 2606 Parameters::FOCUS_MODE_FIXED : 2607 !strcmp(focusMode, CameraParameters::FOCUS_MODE_EDOF) ? 2608 Parameters::FOCUS_MODE_EDOF : 2609 !strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO) ? 2610 Parameters::FOCUS_MODE_CONTINUOUS_VIDEO : 2611 !strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE) ? 2612 Parameters::FOCUS_MODE_CONTINUOUS_PICTURE : 2613 Parameters::FOCUS_MODE_INVALID; 2614 } 2615 2616 const char *Parameters::focusModeEnumToString(focusMode_t focusMode) { 2617 switch (focusMode) { 2618 case FOCUS_MODE_AUTO: 2619 return CameraParameters::FOCUS_MODE_AUTO; 2620 case FOCUS_MODE_MACRO: 2621 return CameraParameters::FOCUS_MODE_MACRO; 2622 case FOCUS_MODE_CONTINUOUS_VIDEO: 2623 return CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO; 2624 case FOCUS_MODE_CONTINUOUS_PICTURE: 2625 return CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE; 2626 case FOCUS_MODE_EDOF: 2627 return CameraParameters::FOCUS_MODE_EDOF; 2628 case FOCUS_MODE_INFINITY: 2629 return CameraParameters::FOCUS_MODE_INFINITY; 2630 case FOCUS_MODE_FIXED: 2631 return CameraParameters::FOCUS_MODE_FIXED; 2632 default: 2633 ALOGE("%s: Unknown focus mode enum: %d", 2634 __FUNCTION__, focusMode); 2635 return "unknown"; 2636 } 2637 } 2638 2639 status_t Parameters::parseAreas(const char *areasCStr, 2640 Vector<Parameters::Area> *areas) { 2641 static const size_t NUM_FIELDS = 5; 2642 areas->clear(); 2643 if (areasCStr == NULL) { 2644 // If no key exists, use default (0,0,0,0,0) 2645 areas->push(); 2646 return OK; 2647 } 2648 String8 areasStr(areasCStr); 2649 ssize_t areaStart = areasStr.find("(", 0) + 1; 2650 while (areaStart != 0) { 2651 const char* area = areasStr.string() + areaStart; 2652 char *numEnd; 2653 int vals[NUM_FIELDS]; 2654 for (size_t i = 0; i < NUM_FIELDS; i++) { 2655 errno = 0; 2656 vals[i] = strtol(area, &numEnd, 10); 2657 if (errno || numEnd == area) return BAD_VALUE; 2658 area = numEnd + 1; 2659 } 2660 areas->push(Parameters::Area( 2661 vals[0], vals[1], vals[2], vals[3], vals[4]) ); 2662 areaStart = areasStr.find("(", areaStart) + 1; 2663 } 2664 return OK; 2665 } 2666 2667 status_t Parameters::validateAreas(const Vector<Parameters::Area> &areas, 2668 size_t maxRegions, 2669 AreaKind areaKind) const { 2670 // Definition of valid area can be found in 2671 // include/camera/CameraParameters.h 2672 if (areas.size() == 0) return BAD_VALUE; 2673 if (areas.size() == 1) { 2674 if (areas[0].left == 0 && 2675 areas[0].top == 0 && 2676 areas[0].right == 0 && 2677 areas[0].bottom == 0 && 2678 areas[0].weight == 0) { 2679 // Single (0,0,0,0,0) entry is always valid (== driver decides) 2680 return OK; 2681 } 2682 } 2683 2684 // fixed focus can only set (0,0,0,0,0) focus area 2685 if (areaKind == AREA_KIND_FOCUS && focusMode == FOCUS_MODE_FIXED) { 2686 return BAD_VALUE; 2687 } 2688 2689 if (areas.size() > maxRegions) { 2690 ALOGE("%s: Too many areas requested: %zu", 2691 __FUNCTION__, areas.size()); 2692 return BAD_VALUE; 2693 } 2694 2695 for (Vector<Parameters::Area>::const_iterator a = areas.begin(); 2696 a != areas.end(); a++) { 2697 if (a->weight < 1 || a->weight > 1000) return BAD_VALUE; 2698 if (a->left < -1000 || a->left > 1000) return BAD_VALUE; 2699 if (a->top < -1000 || a->top > 1000) return BAD_VALUE; 2700 if (a->right < -1000 || a->right > 1000) return BAD_VALUE; 2701 if (a->bottom < -1000 || a->bottom > 1000) return BAD_VALUE; 2702 if (a->left >= a->right) return BAD_VALUE; 2703 if (a->top >= a->bottom) return BAD_VALUE; 2704 } 2705 return OK; 2706 } 2707 2708 bool Parameters::boolFromString(const char *boolStr) { 2709 return !boolStr ? false : 2710 !strcmp(boolStr, CameraParameters::TRUE) ? true : 2711 false; 2712 } 2713 2714 int Parameters::degToTransform(int degrees, bool mirror) { 2715 if (!mirror) { 2716 if (degrees == 0) return 0; 2717 else if (degrees == 90) return HAL_TRANSFORM_ROT_90; 2718 else if (degrees == 180) return HAL_TRANSFORM_ROT_180; 2719 else if (degrees == 270) return HAL_TRANSFORM_ROT_270; 2720 } else { // Do mirror (horizontal flip) 2721 if (degrees == 0) { // FLIP_H and ROT_0 2722 return HAL_TRANSFORM_FLIP_H; 2723 } else if (degrees == 90) { // FLIP_H and ROT_90 2724 return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90; 2725 } else if (degrees == 180) { // FLIP_H and ROT_180 2726 return HAL_TRANSFORM_FLIP_V; 2727 } else if (degrees == 270) { // FLIP_H and ROT_270 2728 return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90; 2729 } 2730 } 2731 ALOGE("%s: Bad input: %d", __FUNCTION__, degrees); 2732 return -1; 2733 } 2734 2735 int Parameters::cropXToArray(int x) const { 2736 ALOG_ASSERT(x >= 0, "Crop-relative X coordinate = '%d' is out of bounds" 2737 "(lower = 0)", x); 2738 2739 CropRegion previewCrop = calculateCropRegion(/*previewOnly*/ true); 2740 ALOG_ASSERT(x < previewCrop.width, "Crop-relative X coordinate = '%d' " 2741 "is out of bounds (upper = %f)", x, previewCrop.width); 2742 2743 int ret = x + previewCrop.left; 2744 2745 ALOG_ASSERT( (ret >= 0 && ret < fastInfo.arrayWidth), 2746 "Calculated pixel array value X = '%d' is out of bounds (upper = %d)", 2747 ret, fastInfo.arrayWidth); 2748 return ret; 2749 } 2750 2751 int Parameters::cropYToArray(int y) const { 2752 ALOG_ASSERT(y >= 0, "Crop-relative Y coordinate = '%d' is out of bounds " 2753 "(lower = 0)", y); 2754 2755 CropRegion previewCrop = calculateCropRegion(/*previewOnly*/ true); 2756 ALOG_ASSERT(y < previewCrop.height, "Crop-relative Y coordinate = '%d' is " 2757 "out of bounds (upper = %f)", y, previewCrop.height); 2758 2759 int ret = y + previewCrop.top; 2760 2761 ALOG_ASSERT( (ret >= 0 && ret < fastInfo.arrayHeight), 2762 "Calculated pixel array value Y = '%d' is out of bounds (upper = %d)", 2763 ret, fastInfo.arrayHeight); 2764 2765 return ret; 2766 2767 } 2768 2769 int Parameters::normalizedXToCrop(int x) const { 2770 CropRegion previewCrop = calculateCropRegion(/*previewOnly*/ true); 2771 return (x + 1000) * (previewCrop.width - 1) / 2000; 2772 } 2773 2774 int Parameters::normalizedYToCrop(int y) const { 2775 CropRegion previewCrop = calculateCropRegion(/*previewOnly*/ true); 2776 return (y + 1000) * (previewCrop.height - 1) / 2000; 2777 } 2778 2779 int Parameters::normalizedXToArray(int x) const { 2780 2781 // Work-around for HAL pre-scaling the coordinates themselves 2782 if (quirks.meteringCropRegion) { 2783 return (x + 1000) * (fastInfo.arrayWidth - 1) / 2000; 2784 } 2785 2786 return cropXToArray(normalizedXToCrop(x)); 2787 } 2788 2789 int Parameters::normalizedYToArray(int y) const { 2790 // Work-around for HAL pre-scaling the coordinates themselves 2791 if (quirks.meteringCropRegion) { 2792 return (y + 1000) * (fastInfo.arrayHeight - 1) / 2000; 2793 } 2794 2795 return cropYToArray(normalizedYToCrop(y)); 2796 } 2797 2798 2799 Parameters::CropRegion Parameters::calculatePreviewCrop( 2800 const CropRegion &scalerCrop) const { 2801 float left, top, width, height; 2802 float previewAspect = static_cast<float>(previewWidth) / previewHeight; 2803 float cropAspect = scalerCrop.width / scalerCrop.height; 2804 2805 if (previewAspect > cropAspect) { 2806 width = scalerCrop.width; 2807 height = cropAspect * scalerCrop.height / previewAspect; 2808 2809 left = scalerCrop.left; 2810 top = scalerCrop.top + (scalerCrop.height - height) / 2; 2811 } else { 2812 width = previewAspect * scalerCrop.width / cropAspect; 2813 height = scalerCrop.height; 2814 2815 left = scalerCrop.left + (scalerCrop.width - width) / 2; 2816 top = scalerCrop.top; 2817 } 2818 2819 CropRegion previewCrop = {left, top, width, height}; 2820 2821 return previewCrop; 2822 } 2823 2824 int Parameters::arrayXToNormalizedWithCrop(int x, 2825 const CropRegion &scalerCrop) const { 2826 // Work-around for HAL pre-scaling the coordinates themselves 2827 if (quirks.meteringCropRegion) { 2828 return x * 2000 / (fastInfo.arrayWidth - 1) - 1000; 2829 } else { 2830 CropRegion previewCrop = calculatePreviewCrop(scalerCrop); 2831 return (x - previewCrop.left) * 2000 / (previewCrop.width - 1) - 1000; 2832 } 2833 } 2834 2835 int Parameters::arrayYToNormalizedWithCrop(int y, 2836 const CropRegion &scalerCrop) const { 2837 // Work-around for HAL pre-scaling the coordinates themselves 2838 if (quirks.meteringCropRegion) { 2839 return y * 2000 / (fastInfo.arrayHeight - 1) - 1000; 2840 } else { 2841 CropRegion previewCrop = calculatePreviewCrop(scalerCrop); 2842 return (y - previewCrop.top) * 2000 / (previewCrop.height - 1) - 1000; 2843 } 2844 } 2845 2846 status_t Parameters::getFilteredSizes(Size limit, Vector<Size> *sizes) { 2847 if (info == NULL) { 2848 ALOGE("%s: Static metadata is not initialized", __FUNCTION__); 2849 return NO_INIT; 2850 } 2851 if (sizes == NULL) { 2852 ALOGE("%s: Input size is null", __FUNCTION__); 2853 return BAD_VALUE; 2854 } 2855 sizes->clear(); 2856 2857 Vector<StreamConfiguration> scs = getStreamConfigurations(); 2858 for (size_t i=0; i < scs.size(); i++) { 2859 const StreamConfiguration &sc = scs[i]; 2860 if (sc.isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT && 2861 sc.format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED && 2862 sc.width <= limit.width && sc.height <= limit.height) { 2863 Size sz = {sc.width, sc.height}; 2864 sizes->push(sz); 2865 } 2866 } 2867 2868 if (sizes->isEmpty()) { 2869 ALOGE("generated preview size list is empty!!"); 2870 return BAD_VALUE; 2871 } 2872 return OK; 2873 } 2874 2875 Parameters::Size Parameters::getMaxSizeForRatio( 2876 float ratio, const int32_t* sizeArray, size_t count) { 2877 ALOG_ASSERT(sizeArray != NULL, "size array shouldn't be NULL"); 2878 ALOG_ASSERT(count >= 2 && count % 2 == 0, "count must be a positive even number"); 2879 2880 Size maxSize = {0, 0}; 2881 for (size_t i = 0; i < count; i += 2) { 2882 if (sizeArray[i] > 0 && sizeArray[i+1] > 0) { 2883 float curRatio = static_cast<float>(sizeArray[i]) / sizeArray[i+1]; 2884 if (fabs(curRatio - ratio) < ASPECT_RATIO_TOLERANCE && maxSize.width < sizeArray[i]) { 2885 maxSize.width = sizeArray[i]; 2886 maxSize.height = sizeArray[i+1]; 2887 } 2888 } 2889 } 2890 2891 if (maxSize.width == 0 || maxSize.height == 0) { 2892 maxSize.width = sizeArray[0]; 2893 maxSize.height = sizeArray[1]; 2894 ALOGW("Unable to find the size to match the given aspect ratio %f." 2895 "Fall back to %d x %d", ratio, maxSize.width, maxSize.height); 2896 } 2897 2898 return maxSize; 2899 } 2900 2901 Parameters::Size Parameters::getMaxSize(const Vector<Parameters::Size> &sizes) { 2902 Size maxSize = {-1, -1}; 2903 for (size_t i = 0; i < sizes.size(); i++) { 2904 if (sizes[i].width > maxSize.width || 2905 (sizes[i].width == maxSize.width && sizes[i].height > maxSize.height )) { 2906 maxSize = sizes[i]; 2907 } 2908 } 2909 return maxSize; 2910 } 2911 2912 Vector<Parameters::StreamConfiguration> Parameters::getStreamConfigurations() { 2913 const int STREAM_CONFIGURATION_SIZE = 4; 2914 const int STREAM_FORMAT_OFFSET = 0; 2915 const int STREAM_WIDTH_OFFSET = 1; 2916 const int STREAM_HEIGHT_OFFSET = 2; 2917 const int STREAM_IS_INPUT_OFFSET = 3; 2918 Vector<StreamConfiguration> scs; 2919 2920 camera_metadata_ro_entry_t availableStreamConfigs = 2921 staticInfo(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS); 2922 for (size_t i = 0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) { 2923 int32_t format = availableStreamConfigs.data.i32[i + STREAM_FORMAT_OFFSET]; 2924 int32_t width = availableStreamConfigs.data.i32[i + STREAM_WIDTH_OFFSET]; 2925 int32_t height = availableStreamConfigs.data.i32[i + STREAM_HEIGHT_OFFSET]; 2926 int32_t isInput = availableStreamConfigs.data.i32[i + STREAM_IS_INPUT_OFFSET]; 2927 StreamConfiguration sc = {format, width, height, isInput}; 2928 scs.add(sc); 2929 } 2930 return scs; 2931 } 2932 2933 int64_t Parameters::getJpegStreamMinFrameDurationNs(Parameters::Size size) { 2934 return getMinFrameDurationNs(size, HAL_PIXEL_FORMAT_BLOB); 2935 } 2936 2937 int64_t Parameters::getMinFrameDurationNs(Parameters::Size size, int fmt) { 2938 const int STREAM_DURATION_SIZE = 4; 2939 const int STREAM_FORMAT_OFFSET = 0; 2940 const int STREAM_WIDTH_OFFSET = 1; 2941 const int STREAM_HEIGHT_OFFSET = 2; 2942 const int STREAM_DURATION_OFFSET = 3; 2943 camera_metadata_ro_entry_t availableStreamMinDurations = 2944 staticInfo(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS); 2945 for (size_t i = 0; i < availableStreamMinDurations.count; i+= STREAM_DURATION_SIZE) { 2946 int64_t format = availableStreamMinDurations.data.i64[i + STREAM_FORMAT_OFFSET]; 2947 int64_t width = availableStreamMinDurations.data.i64[i + STREAM_WIDTH_OFFSET]; 2948 int64_t height = availableStreamMinDurations.data.i64[i + STREAM_HEIGHT_OFFSET]; 2949 int64_t duration = availableStreamMinDurations.data.i64[i + STREAM_DURATION_OFFSET]; 2950 if (format == fmt && width == size.width && height == size.height) { 2951 return duration; 2952 } 2953 } 2954 2955 return -1; 2956 } 2957 2958 bool Parameters::isFpsSupported(const Vector<Size> &sizes, int format, int32_t fps) { 2959 // Get min frame duration for each size and check if the given fps range can be supported. 2960 for (size_t i = 0 ; i < sizes.size(); i++) { 2961 int64_t minFrameDuration = getMinFrameDurationNs(sizes[i], format); 2962 if (minFrameDuration <= 0) { 2963 ALOGE("Min frame duration (%" PRId64") for size (%dx%d) and format 0x%x is wrong!", 2964 minFrameDuration, sizes[i].width, sizes[i].height, format); 2965 return false; 2966 } 2967 int32_t maxSupportedFps = 1e9 / minFrameDuration; 2968 // Add some margin here for the case where the hal supports 29.xxxfps. 2969 maxSupportedFps += FPS_MARGIN; 2970 if (fps > maxSupportedFps) { 2971 return false; 2972 } 2973 } 2974 return true; 2975 } 2976 2977 SortedVector<int32_t> Parameters::getAvailableOutputFormats() { 2978 SortedVector<int32_t> outputFormats; // Non-duplicated output formats 2979 Vector<StreamConfiguration> scs = getStreamConfigurations(); 2980 for (size_t i = 0; i < scs.size(); i++) { 2981 const StreamConfiguration &sc = scs[i]; 2982 if (sc.isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT) { 2983 outputFormats.add(sc.format); 2984 } 2985 } 2986 2987 return outputFormats; 2988 } 2989 2990 Vector<Parameters::Size> Parameters::getAvailableJpegSizes() { 2991 Vector<Parameters::Size> jpegSizes; 2992 Vector<StreamConfiguration> scs = getStreamConfigurations(); 2993 for (size_t i = 0; i < scs.size(); i++) { 2994 const StreamConfiguration &sc = scs[i]; 2995 if (sc.isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT && 2996 sc.format == HAL_PIXEL_FORMAT_BLOB) { 2997 Size sz = {sc.width, sc.height}; 2998 jpegSizes.add(sz); 2999 } 3000 } 3001 3002 return jpegSizes; 3003 } 3004 3005 Parameters::CropRegion Parameters::calculateCropRegion(bool previewOnly) const { 3006 3007 float zoomLeft, zoomTop, zoomWidth, zoomHeight; 3008 3009 // Need to convert zoom index into a crop rectangle. The rectangle is 3010 // chosen to maximize its area on the sensor 3011 3012 camera_metadata_ro_entry_t maxDigitalZoom = 3013 staticInfo(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM); 3014 // For each zoom step by how many pixels more do we change the zoom 3015 float zoomIncrement = (maxDigitalZoom.data.f[0] - 1) / 3016 (NUM_ZOOM_STEPS-1); 3017 // The desired activeAreaWidth/cropAreaWidth ratio (or height if h>w) 3018 // via interpolating zoom step into a zoom ratio 3019 float zoomRatio = 1 + zoomIncrement * zoom; 3020 ALOG_ASSERT( (zoomRatio >= 1.f && zoomRatio <= maxDigitalZoom.data.f[0]), 3021 "Zoom ratio calculated out of bounds. Expected 1 - %f, actual: %f", 3022 maxDigitalZoom.data.f[0], zoomRatio); 3023 3024 ALOGV("Zoom maxDigital=%f, increment=%f, ratio=%f, previewWidth=%d, " 3025 "previewHeight=%d, activeWidth=%d, activeHeight=%d", 3026 maxDigitalZoom.data.f[0], zoomIncrement, zoomRatio, previewWidth, 3027 previewHeight, fastInfo.arrayWidth, fastInfo.arrayHeight); 3028 3029 if (previewOnly) { 3030 // Calculate a tight crop region for the preview stream only 3031 float previewRatio = static_cast<float>(previewWidth) / previewHeight; 3032 3033 /* Ensure that the width/height never go out of bounds 3034 * by scaling across a diffent dimension if an out-of-bounds 3035 * possibility exists. 3036 * 3037 * e.g. if the previewratio < arrayratio and e.g. zoomratio = 1.0, then by 3038 * calculating the zoomWidth from zoomHeight we'll actually get a 3039 * zoomheight > arrayheight 3040 */ 3041 float arrayRatio = 1.f * fastInfo.arrayWidth / fastInfo.arrayHeight; 3042 if (previewRatio >= arrayRatio) { 3043 // Adjust the height based on the width 3044 zoomWidth = fastInfo.arrayWidth / zoomRatio; 3045 zoomHeight = zoomWidth * 3046 previewHeight / previewWidth; 3047 3048 } else { 3049 // Adjust the width based on the height 3050 zoomHeight = fastInfo.arrayHeight / zoomRatio; 3051 zoomWidth = zoomHeight * 3052 previewWidth / previewHeight; 3053 } 3054 } else { 3055 // Calculate the global crop region with a shape matching the active 3056 // array. 3057 zoomWidth = fastInfo.arrayWidth / zoomRatio; 3058 zoomHeight = fastInfo.arrayHeight / zoomRatio; 3059 } 3060 3061 // center the zoom area within the active area 3062 zoomLeft = (fastInfo.arrayWidth - zoomWidth) / 2; 3063 zoomTop = (fastInfo.arrayHeight - zoomHeight) / 2; 3064 3065 ALOGV("Crop region calculated (x=%d,y=%d,w=%f,h=%f) for zoom=%d", 3066 (int32_t)zoomLeft, (int32_t)zoomTop, zoomWidth, zoomHeight, this->zoom); 3067 3068 CropRegion crop = { zoomLeft, zoomTop, zoomWidth, zoomHeight }; 3069 return crop; 3070 } 3071 3072 status_t Parameters::calculatePictureFovs(float *horizFov, float *vertFov) 3073 const { 3074 camera_metadata_ro_entry_t sensorSize = 3075 staticInfo(ANDROID_SENSOR_INFO_PHYSICAL_SIZE, 2, 2); 3076 if (!sensorSize.count) return NO_INIT; 3077 3078 camera_metadata_ro_entry_t pixelArraySize = 3079 staticInfo(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE, 2, 2); 3080 if (!pixelArraySize.count) return NO_INIT; 3081 3082 float arrayAspect = static_cast<float>(fastInfo.arrayWidth) / 3083 fastInfo.arrayHeight; 3084 float stillAspect = static_cast<float>(pictureWidth) / pictureHeight; 3085 ALOGV("Array aspect: %f, still aspect: %f", arrayAspect, stillAspect); 3086 3087 // The crop factors from the full sensor array to the still picture crop 3088 // region 3089 float horizCropFactor = 1.f; 3090 float vertCropFactor = 1.f; 3091 3092 /** 3093 * Need to calculate the still image field of view based on the total pixel 3094 * array field of view, and the relative aspect ratios of the pixel array 3095 * and output streams. 3096 * 3097 * Special treatment for quirky definition of crop region and relative 3098 * stream cropping. 3099 */ 3100 if (quirks.meteringCropRegion) { 3101 // Use max of preview and video as first crop 3102 float previewAspect = static_cast<float>(previewWidth) / previewHeight; 3103 float videoAspect = static_cast<float>(videoWidth) / videoHeight; 3104 if (videoAspect > previewAspect) { 3105 previewAspect = videoAspect; 3106 } 3107 // First crop sensor to preview aspect ratio 3108 if (arrayAspect < previewAspect) { 3109 vertCropFactor = arrayAspect / previewAspect; 3110 } else { 3111 horizCropFactor = previewAspect / arrayAspect; 3112 } 3113 // Second crop to still aspect ratio 3114 if (stillAspect < previewAspect) { 3115 horizCropFactor *= stillAspect / previewAspect; 3116 } else { 3117 vertCropFactor *= previewAspect / stillAspect; 3118 } 3119 } else { 3120 /** 3121 * Crop are just a function of just the still/array relative aspect 3122 * ratios. Since each stream will maximize its area within the crop 3123 * region, and for FOV we assume a full-sensor crop region, we only ever 3124 * crop the FOV either vertically or horizontally, never both. 3125 */ 3126 horizCropFactor = (arrayAspect > stillAspect) ? 3127 (stillAspect / arrayAspect) : 1.f; 3128 vertCropFactor = (arrayAspect < stillAspect) ? 3129 (arrayAspect / stillAspect) : 1.f; 3130 } 3131 3132 /** 3133 * Convert the crop factors w.r.t the active array size to the crop factors 3134 * w.r.t the pixel array size. 3135 */ 3136 horizCropFactor *= (static_cast<float>(fastInfo.arrayWidth) / 3137 pixelArraySize.data.i32[0]); 3138 vertCropFactor *= (static_cast<float>(fastInfo.arrayHeight) / 3139 pixelArraySize.data.i32[1]); 3140 3141 ALOGV("Horiz crop factor: %f, vert crop fact: %f", 3142 horizCropFactor, vertCropFactor); 3143 /** 3144 * Basic field of view formula is: 3145 * angle of view = 2 * arctangent ( d / 2f ) 3146 * where d is the physical sensor dimension of interest, and f is 3147 * the focal length. This only applies to rectilinear sensors, for focusing 3148 * at distances >> f, etc. 3149 */ 3150 if (horizFov != NULL) { 3151 *horizFov = 180 / M_PI * 2 * 3152 atanf(horizCropFactor * sensorSize.data.f[0] / 3153 (2 * fastInfo.minFocalLength)); 3154 } 3155 if (vertFov != NULL) { 3156 *vertFov = 180 / M_PI * 2 * 3157 atanf(vertCropFactor * sensorSize.data.f[1] / 3158 (2 * fastInfo.minFocalLength)); 3159 } 3160 return OK; 3161 } 3162 3163 int32_t Parameters::fpsFromRange(int32_t /*min*/, int32_t max) const { 3164 return max; 3165 } 3166 3167 }; // namespace camera2 3168 }; // namespace android 3169
