android_hardware_camera2_DngCreator.cpp revision 0e679e75a2f715f71950644797d983dba57a48d0
1/* 2 * Copyright 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "DngCreator_JNI" 19#include <inttypes.h> 20#include <string.h> 21 22#include <utils/Log.h> 23#include <utils/Errors.h> 24#include <utils/StrongPointer.h> 25#include <utils/RefBase.h> 26#include <utils/Vector.h> 27#include <cutils/properties.h> 28 29#include <system/camera_metadata.h> 30#include <camera/CameraMetadata.h> 31#include <img_utils/DngUtils.h> 32#include <img_utils/TagDefinitions.h> 33#include <img_utils/TiffIfd.h> 34#include <img_utils/TiffWriter.h> 35#include <img_utils/Output.h> 36#include <img_utils/Input.h> 37#include <img_utils/StripSource.h> 38 39#include "core_jni_helpers.h" 40#include <utils/Log.h> 41#include <utils/Errors.h> 42#include <utils/StrongPointer.h> 43#include <utils/RefBase.h> 44#include <utils/Vector.h> 45#include <cutils/properties.h> 46 47#include <string.h> 48#include <inttypes.h> 49 50#include "android_runtime/AndroidRuntime.h" 51#include "android_runtime/android_hardware_camera2_CameraMetadata.h" 52 53#include <jni.h> 54#include <JNIHelp.h> 55 56using namespace android; 57using namespace img_utils; 58 59#define BAIL_IF_INVALID(expr, jnienv, tagId, writer) \ 60 if ((expr) != OK) { \ 61 jniThrowExceptionFmt(jnienv, "java/lang/IllegalArgumentException", \ 62 "Invalid metadata for tag %s (%x)", (writer)->getTagName(tagId), (tagId)); \ 63 return; \ 64 } 65 66#define BAIL_IF_EMPTY(entry, jnienv, tagId, writer) \ 67 if (entry.count == 0) { \ 68 jniThrowExceptionFmt(jnienv, "java/lang/IllegalArgumentException", \ 69 "Missing metadata fields for tag %s (%x)", (writer)->getTagName(tagId), (tagId)); \ 70 return; \ 71 } 72 73#define ANDROID_DNGCREATOR_CTX_JNI_ID "mNativeContext" 74 75static struct { 76 jfieldID mNativeContext; 77} gDngCreatorClassInfo; 78 79static struct { 80 jmethodID mWriteMethod; 81} gOutputStreamClassInfo; 82 83static struct { 84 jmethodID mReadMethod; 85 jmethodID mSkipMethod; 86} gInputStreamClassInfo; 87 88static struct { 89 jmethodID mGetMethod; 90} gInputByteBufferClassInfo; 91 92enum { 93 BITS_PER_SAMPLE = 16, 94 BYTES_PER_SAMPLE = 2, 95 BYTES_PER_RGB_PIXEL = 3, 96 BITS_PER_RGB_SAMPLE = 8, 97 BYTES_PER_RGB_SAMPLE = 1, 98 SAMPLES_PER_RGB_PIXEL = 3, 99 SAMPLES_PER_RAW_PIXEL = 1, 100 TIFF_IFD_0 = 0, 101 TIFF_IFD_SUB1 = 1, 102 TIFF_IFD_GPSINFO = 2, 103}; 104 105// ---------------------------------------------------------------------------- 106 107/** 108 * Container class for the persistent native context. 109 */ 110 111class NativeContext : public LightRefBase<NativeContext> { 112 113public: 114 NativeContext(); 115 virtual ~NativeContext(); 116 117 TiffWriter* getWriter(); 118 119 uint32_t getThumbnailWidth(); 120 uint32_t getThumbnailHeight(); 121 const uint8_t* getThumbnail(); 122 123 bool setThumbnail(const uint8_t* buffer, uint32_t width, uint32_t height); 124 125private: 126 Vector<uint8_t> mCurrentThumbnail; 127 TiffWriter mWriter; 128 uint32_t mThumbnailWidth; 129 uint32_t mThumbnailHeight; 130}; 131 132NativeContext::NativeContext() : mThumbnailWidth(0), mThumbnailHeight(0) {} 133 134NativeContext::~NativeContext() {} 135 136TiffWriter* NativeContext::getWriter() { 137 return &mWriter; 138} 139 140uint32_t NativeContext::getThumbnailWidth() { 141 return mThumbnailWidth; 142} 143 144uint32_t NativeContext::getThumbnailHeight() { 145 return mThumbnailHeight; 146} 147 148const uint8_t* NativeContext::getThumbnail() { 149 return mCurrentThumbnail.array(); 150} 151 152bool NativeContext::setThumbnail(const uint8_t* buffer, uint32_t width, uint32_t height) { 153 mThumbnailWidth = width; 154 mThumbnailHeight = height; 155 156 size_t size = BYTES_PER_RGB_PIXEL * width * height; 157 if (mCurrentThumbnail.resize(size) < 0) { 158 ALOGE("%s: Could not resize thumbnail buffer.", __FUNCTION__); 159 return false; 160 } 161 162 uint8_t* thumb = mCurrentThumbnail.editArray(); 163 memcpy(thumb, buffer, size); 164 return true; 165} 166 167// End of NativeContext 168// ---------------------------------------------------------------------------- 169 170/** 171 * Wrapper class for a Java OutputStream. 172 * 173 * This class is not intended to be used across JNI calls. 174 */ 175class JniOutputStream : public Output, public LightRefBase<JniOutputStream> { 176public: 177 JniOutputStream(JNIEnv* env, jobject outStream); 178 179 virtual ~JniOutputStream(); 180 181 status_t open(); 182 183 status_t write(const uint8_t* buf, size_t offset, size_t count); 184 185 status_t close(); 186private: 187 enum { 188 BYTE_ARRAY_LENGTH = 4096 189 }; 190 jobject mOutputStream; 191 JNIEnv* mEnv; 192 jbyteArray mByteArray; 193}; 194 195JniOutputStream::JniOutputStream(JNIEnv* env, jobject outStream) : mOutputStream(outStream), 196 mEnv(env) { 197 mByteArray = env->NewByteArray(BYTE_ARRAY_LENGTH); 198 if (mByteArray == NULL) { 199 jniThrowException(env, "java/lang/OutOfMemoryError", "Could not allocate byte array."); 200 } 201} 202 203JniOutputStream::~JniOutputStream() { 204 mEnv->DeleteLocalRef(mByteArray); 205} 206 207status_t JniOutputStream::open() { 208 // Do nothing 209 return OK; 210} 211 212status_t JniOutputStream::write(const uint8_t* buf, size_t offset, size_t count) { 213 while(count > 0) { 214 size_t len = BYTE_ARRAY_LENGTH; 215 len = (count > len) ? len : count; 216 mEnv->SetByteArrayRegion(mByteArray, 0, len, reinterpret_cast<const jbyte*>(buf + offset)); 217 218 if (mEnv->ExceptionCheck()) { 219 return BAD_VALUE; 220 } 221 222 mEnv->CallVoidMethod(mOutputStream, gOutputStreamClassInfo.mWriteMethod, mByteArray, 223 0, len); 224 225 if (mEnv->ExceptionCheck()) { 226 return BAD_VALUE; 227 } 228 229 count -= len; 230 offset += len; 231 } 232 return OK; 233} 234 235status_t JniOutputStream::close() { 236 // Do nothing 237 return OK; 238} 239 240// End of JniOutputStream 241// ---------------------------------------------------------------------------- 242 243/** 244 * Wrapper class for a Java InputStream. 245 * 246 * This class is not intended to be used across JNI calls. 247 */ 248class JniInputStream : public Input, public LightRefBase<JniInputStream> { 249public: 250 JniInputStream(JNIEnv* env, jobject inStream); 251 252 status_t open(); 253 254 status_t close(); 255 256 ssize_t read(uint8_t* buf, size_t offset, size_t count); 257 258 ssize_t skip(size_t count); 259 260 virtual ~JniInputStream(); 261private: 262 enum { 263 BYTE_ARRAY_LENGTH = 4096 264 }; 265 jobject mInStream; 266 JNIEnv* mEnv; 267 jbyteArray mByteArray; 268 269}; 270 271JniInputStream::JniInputStream(JNIEnv* env, jobject inStream) : mInStream(inStream), mEnv(env) { 272 mByteArray = env->NewByteArray(BYTE_ARRAY_LENGTH); 273 if (mByteArray == NULL) { 274 jniThrowException(env, "java/lang/OutOfMemoryError", "Could not allocate byte array."); 275 } 276} 277 278JniInputStream::~JniInputStream() { 279 mEnv->DeleteLocalRef(mByteArray); 280} 281 282ssize_t JniInputStream::read(uint8_t* buf, size_t offset, size_t count) { 283 284 jint realCount = BYTE_ARRAY_LENGTH; 285 if (count < BYTE_ARRAY_LENGTH) { 286 realCount = count; 287 } 288 jint actual = mEnv->CallIntMethod(mInStream, gInputStreamClassInfo.mReadMethod, mByteArray, 0, 289 realCount); 290 291 if (actual < 0) { 292 return NOT_ENOUGH_DATA; 293 } 294 295 if (mEnv->ExceptionCheck()) { 296 return BAD_VALUE; 297 } 298 299 mEnv->GetByteArrayRegion(mByteArray, 0, actual, reinterpret_cast<jbyte*>(buf + offset)); 300 if (mEnv->ExceptionCheck()) { 301 return BAD_VALUE; 302 } 303 return actual; 304} 305 306ssize_t JniInputStream::skip(size_t count) { 307 jlong actual = mEnv->CallLongMethod(mInStream, gInputStreamClassInfo.mSkipMethod, 308 static_cast<jlong>(count)); 309 310 if (mEnv->ExceptionCheck()) { 311 return BAD_VALUE; 312 } 313 if (actual < 0) { 314 return NOT_ENOUGH_DATA; 315 } 316 return actual; 317} 318 319status_t JniInputStream::open() { 320 // Do nothing 321 return OK; 322} 323 324status_t JniInputStream::close() { 325 // Do nothing 326 return OK; 327} 328 329// End of JniInputStream 330// ---------------------------------------------------------------------------- 331 332/** 333 * Wrapper class for a non-direct Java ByteBuffer. 334 * 335 * This class is not intended to be used across JNI calls. 336 */ 337class JniInputByteBuffer : public Input, public LightRefBase<JniInputByteBuffer> { 338public: 339 JniInputByteBuffer(JNIEnv* env, jobject inBuf); 340 341 status_t open(); 342 343 status_t close(); 344 345 ssize_t read(uint8_t* buf, size_t offset, size_t count); 346 347 virtual ~JniInputByteBuffer(); 348private: 349 enum { 350 BYTE_ARRAY_LENGTH = 4096 351 }; 352 jobject mInBuf; 353 JNIEnv* mEnv; 354 jbyteArray mByteArray; 355}; 356 357JniInputByteBuffer::JniInputByteBuffer(JNIEnv* env, jobject inBuf) : mInBuf(inBuf), mEnv(env) { 358 mByteArray = env->NewByteArray(BYTE_ARRAY_LENGTH); 359 if (mByteArray == NULL) { 360 jniThrowException(env, "java/lang/OutOfMemoryError", "Could not allocate byte array."); 361 } 362} 363 364JniInputByteBuffer::~JniInputByteBuffer() { 365 mEnv->DeleteLocalRef(mByteArray); 366} 367 368ssize_t JniInputByteBuffer::read(uint8_t* buf, size_t offset, size_t count) { 369 jint realCount = BYTE_ARRAY_LENGTH; 370 if (count < BYTE_ARRAY_LENGTH) { 371 realCount = count; 372 } 373 374 jobject chainingBuf = mEnv->CallObjectMethod(mInBuf, gInputByteBufferClassInfo.mGetMethod, mByteArray, 0, 375 realCount); 376 mEnv->DeleteLocalRef(chainingBuf); 377 378 if (mEnv->ExceptionCheck()) { 379 ALOGE("%s: Exception while reading from input into byte buffer.", __FUNCTION__); 380 return BAD_VALUE; 381 } 382 383 mEnv->GetByteArrayRegion(mByteArray, 0, realCount, reinterpret_cast<jbyte*>(buf + offset)); 384 if (mEnv->ExceptionCheck()) { 385 ALOGE("%s: Exception while reading from byte buffer.", __FUNCTION__); 386 return BAD_VALUE; 387 } 388 return realCount; 389} 390 391status_t JniInputByteBuffer::open() { 392 // Do nothing 393 return OK; 394} 395 396status_t JniInputByteBuffer::close() { 397 // Do nothing 398 return OK; 399} 400 401// End of JniInputByteBuffer 402// ---------------------------------------------------------------------------- 403 404/** 405 * StripSource subclass for Input types. 406 * 407 * This class is not intended to be used across JNI calls. 408 */ 409 410class InputStripSource : public StripSource, public LightRefBase<InputStripSource> { 411public: 412 InputStripSource(JNIEnv* env, Input& input, uint32_t ifd, uint32_t width, uint32_t height, 413 uint32_t pixStride, uint32_t rowStride, uint64_t offset, uint32_t bytesPerSample, 414 uint32_t samplesPerPixel); 415 416 virtual ~InputStripSource(); 417 418 virtual status_t writeToStream(Output& stream, uint32_t count); 419 420 virtual uint32_t getIfd() const; 421protected: 422 uint32_t mIfd; 423 Input* mInput; 424 uint32_t mWidth; 425 uint32_t mHeight; 426 uint32_t mPixStride; 427 uint32_t mRowStride; 428 uint64_t mOffset; 429 JNIEnv* mEnv; 430 uint32_t mBytesPerSample; 431 uint32_t mSamplesPerPixel; 432}; 433 434InputStripSource::InputStripSource(JNIEnv* env, Input& input, uint32_t ifd, uint32_t width, 435 uint32_t height, uint32_t pixStride, uint32_t rowStride, uint64_t offset, 436 uint32_t bytesPerSample, uint32_t samplesPerPixel) : mIfd(ifd), mInput(&input), 437 mWidth(width), mHeight(height), mPixStride(pixStride), mRowStride(rowStride), 438 mOffset(offset), mEnv(env), mBytesPerSample(bytesPerSample), 439 mSamplesPerPixel(samplesPerPixel) {} 440 441InputStripSource::~InputStripSource() {} 442 443status_t InputStripSource::writeToStream(Output& stream, uint32_t count) { 444 uint32_t fullSize = mWidth * mHeight * mBytesPerSample * mSamplesPerPixel; 445 jlong offset = mOffset; 446 447 if (fullSize != count) { 448 ALOGE("%s: Amount to write %u doesn't match image size %u", __FUNCTION__, count, 449 fullSize); 450 jniThrowException(mEnv, "java/lang/IllegalStateException", "Not enough data to write"); 451 return BAD_VALUE; 452 } 453 454 // Skip offset 455 while (offset > 0) { 456 ssize_t skipped = mInput->skip(offset); 457 if (skipped <= 0) { 458 if (skipped == NOT_ENOUGH_DATA || skipped == 0) { 459 jniThrowExceptionFmt(mEnv, "java/io/IOException", 460 "Early EOF encountered in skip, not enough pixel data for image of size %u", 461 fullSize); 462 skipped = NOT_ENOUGH_DATA; 463 } else { 464 if (!mEnv->ExceptionCheck()) { 465 jniThrowException(mEnv, "java/io/IOException", 466 "Error encountered while skip bytes in input stream."); 467 } 468 } 469 470 return skipped; 471 } 472 offset -= skipped; 473 } 474 475 Vector<uint8_t> row; 476 if (row.resize(mRowStride) < 0) { 477 jniThrowException(mEnv, "java/lang/OutOfMemoryError", "Could not allocate row vector."); 478 return BAD_VALUE; 479 } 480 481 uint8_t* rowBytes = row.editArray(); 482 483 for (uint32_t i = 0; i < mHeight; ++i) { 484 size_t rowFillAmt = 0; 485 size_t rowSize = mRowStride; 486 487 while (rowFillAmt < mRowStride) { 488 ssize_t bytesRead = mInput->read(rowBytes, rowFillAmt, rowSize); 489 if (bytesRead <= 0) { 490 if (bytesRead == NOT_ENOUGH_DATA || bytesRead == 0) { 491 ALOGE("%s: Early EOF on row %" PRIu32 ", received bytesRead %zd", 492 __FUNCTION__, i, bytesRead); 493 jniThrowExceptionFmt(mEnv, "java/io/IOException", 494 "Early EOF encountered, not enough pixel data for image of size %" 495 PRIu32, fullSize); 496 bytesRead = NOT_ENOUGH_DATA; 497 } else { 498 if (!mEnv->ExceptionCheck()) { 499 jniThrowException(mEnv, "java/io/IOException", 500 "Error encountered while reading"); 501 } 502 } 503 return bytesRead; 504 } 505 rowFillAmt += bytesRead; 506 rowSize -= bytesRead; 507 } 508 509 if (mPixStride == mBytesPerSample * mSamplesPerPixel) { 510 ALOGV("%s: Using stream per-row write for strip.", __FUNCTION__); 511 512 if (stream.write(rowBytes, 0, mBytesPerSample * mSamplesPerPixel * mWidth) != OK || 513 mEnv->ExceptionCheck()) { 514 if (!mEnv->ExceptionCheck()) { 515 jniThrowException(mEnv, "java/io/IOException", "Failed to write pixel data"); 516 } 517 return BAD_VALUE; 518 } 519 } else { 520 ALOGV("%s: Using stream per-pixel write for strip.", __FUNCTION__); 521 jniThrowException(mEnv, "java/lang/IllegalStateException", 522 "Per-pixel strides are not supported for RAW16 -- pixels must be contiguous"); 523 return BAD_VALUE; 524 525 // TODO: Add support for non-contiguous pixels if needed. 526 } 527 } 528 return OK; 529} 530 531uint32_t InputStripSource::getIfd() const { 532 return mIfd; 533} 534 535// End of InputStripSource 536// ---------------------------------------------------------------------------- 537 538/** 539 * StripSource subclass for direct buffer types. 540 * 541 * This class is not intended to be used across JNI calls. 542 */ 543 544class DirectStripSource : public StripSource, public LightRefBase<DirectStripSource> { 545public: 546 DirectStripSource(JNIEnv* env, const uint8_t* pixelBytes, uint32_t ifd, uint32_t width, 547 uint32_t height, uint32_t pixStride, uint32_t rowStride, uint64_t offset, 548 uint32_t bytesPerSample, uint32_t samplesPerPixel); 549 550 virtual ~DirectStripSource(); 551 552 virtual status_t writeToStream(Output& stream, uint32_t count); 553 554 virtual uint32_t getIfd() const; 555protected: 556 uint32_t mIfd; 557 const uint8_t* mPixelBytes; 558 uint32_t mWidth; 559 uint32_t mHeight; 560 uint32_t mPixStride; 561 uint32_t mRowStride; 562 uint16_t mOffset; 563 JNIEnv* mEnv; 564 uint32_t mBytesPerSample; 565 uint32_t mSamplesPerPixel; 566}; 567 568DirectStripSource::DirectStripSource(JNIEnv* env, const uint8_t* pixelBytes, uint32_t ifd, 569 uint32_t width, uint32_t height, uint32_t pixStride, uint32_t rowStride, 570 uint64_t offset, uint32_t bytesPerSample, uint32_t samplesPerPixel) : mIfd(ifd), 571 mPixelBytes(pixelBytes), mWidth(width), mHeight(height), mPixStride(pixStride), 572 mRowStride(rowStride), mOffset(offset), mEnv(env), mBytesPerSample(bytesPerSample), 573 mSamplesPerPixel(samplesPerPixel) {} 574 575DirectStripSource::~DirectStripSource() {} 576 577status_t DirectStripSource::writeToStream(Output& stream, uint32_t count) { 578 uint32_t fullSize = mWidth * mHeight * mBytesPerSample * mSamplesPerPixel; 579 580 if (fullSize != count) { 581 ALOGE("%s: Amount to write %u doesn't match image size %u", __FUNCTION__, count, 582 fullSize); 583 jniThrowException(mEnv, "java/lang/IllegalStateException", "Not enough data to write"); 584 return BAD_VALUE; 585 } 586 587 if (mPixStride == mBytesPerSample * mSamplesPerPixel 588 && mRowStride == mWidth * mBytesPerSample * mSamplesPerPixel) { 589 ALOGV("%s: Using direct single-pass write for strip.", __FUNCTION__); 590 591 if (stream.write(mPixelBytes, mOffset, fullSize) != OK || mEnv->ExceptionCheck()) { 592 if (!mEnv->ExceptionCheck()) { 593 jniThrowException(mEnv, "java/io/IOException", "Failed to write pixel data"); 594 } 595 return BAD_VALUE; 596 } 597 } else if (mPixStride == mBytesPerSample * mSamplesPerPixel) { 598 ALOGV("%s: Using direct per-row write for strip.", __FUNCTION__); 599 600 for (size_t i = 0; i < mHeight; ++i) { 601 if (stream.write(mPixelBytes, mOffset + i * mRowStride, mPixStride * mWidth) != OK || 602 mEnv->ExceptionCheck()) { 603 if (!mEnv->ExceptionCheck()) { 604 jniThrowException(mEnv, "java/io/IOException", "Failed to write pixel data"); 605 } 606 return BAD_VALUE; 607 } 608 } 609 } else { 610 ALOGV("%s: Using direct per-pixel write for strip.", __FUNCTION__); 611 612 jniThrowException(mEnv, "java/lang/IllegalStateException", 613 "Per-pixel strides are not supported for RAW16 -- pixels must be contiguous"); 614 return BAD_VALUE; 615 616 // TODO: Add support for non-contiguous pixels if needed. 617 } 618 return OK; 619 620} 621 622uint32_t DirectStripSource::getIfd() const { 623 return mIfd; 624} 625 626// End of DirectStripSource 627// ---------------------------------------------------------------------------- 628 629static bool validateDngHeader(JNIEnv* env, TiffWriter* writer, jint width, jint height) { 630 bool hasThumbnail = writer->hasIfd(TIFF_IFD_SUB1); 631 632 // TODO: handle lens shading map, etc. conversions for other raw buffer sizes. 633 uint32_t metadataWidth = *(writer->getEntry(TAG_IMAGEWIDTH, (hasThumbnail) ? TIFF_IFD_SUB1 : TIFF_IFD_0)->getData<uint32_t>()); 634 uint32_t metadataHeight = *(writer->getEntry(TAG_IMAGELENGTH, (hasThumbnail) ? TIFF_IFD_SUB1 : TIFF_IFD_0)->getData<uint32_t>()); 635 636 if (width < 0 || metadataWidth != static_cast<uint32_t>(width)) { 637 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", \ 638 "Metadata width %d doesn't match image width %d", metadataWidth, width); 639 return false; 640 } 641 642 if (height < 0 || metadataHeight != static_cast<uint32_t>(height)) { 643 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", \ 644 "Metadata height %d doesn't match image height %d", metadataHeight, height); 645 return false; 646 } 647 648 return true; 649} 650 651static status_t moveEntries(TiffWriter* writer, uint32_t ifdFrom, uint32_t ifdTo, 652 const Vector<uint16_t>& entries) { 653 for (size_t i = 0; i < entries.size(); ++i) { 654 uint16_t tagId = entries[i]; 655 sp<TiffEntry> entry = writer->getEntry(tagId, ifdFrom); 656 if (entry == NULL) { 657 ALOGE("%s: moveEntries failed, entry %u not found in IFD %u", __FUNCTION__, tagId, 658 ifdFrom); 659 return BAD_VALUE; 660 } 661 if (writer->addEntry(entry, ifdTo) != OK) { 662 ALOGE("%s: moveEntries failed, could not add entry %u to IFD %u", __FUNCTION__, tagId, 663 ifdFrom); 664 return BAD_VALUE; 665 } 666 writer->removeEntry(tagId, ifdFrom); 667 } 668 return OK; 669} 670 671/** 672 * Write CFA pattern for given CFA enum into cfaOut. cfaOut must have length >= 4. 673 * Returns OK on success, or a negative error code if the CFA enum was invalid. 674 */ 675static status_t convertCFA(uint8_t cfaEnum, /*out*/uint8_t* cfaOut) { 676 camera_metadata_enum_android_sensor_info_color_filter_arrangement_t cfa = 677 static_cast<camera_metadata_enum_android_sensor_info_color_filter_arrangement_t>( 678 cfaEnum); 679 switch(cfa) { 680 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB: { 681 cfaOut[0] = 0; 682 cfaOut[1] = 1; 683 cfaOut[2] = 1; 684 cfaOut[3] = 2; 685 break; 686 } 687 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG: { 688 cfaOut[0] = 1; 689 cfaOut[1] = 0; 690 cfaOut[2] = 2; 691 cfaOut[3] = 1; 692 break; 693 } 694 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG: { 695 cfaOut[0] = 1; 696 cfaOut[1] = 2; 697 cfaOut[2] = 0; 698 cfaOut[3] = 1; 699 break; 700 } 701 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR: { 702 cfaOut[0] = 2; 703 cfaOut[1] = 1; 704 cfaOut[2] = 1; 705 cfaOut[3] = 0; 706 break; 707 } 708 default: { 709 return BAD_VALUE; 710 } 711 } 712 return OK; 713} 714 715/** 716 * Convert the CFA layout enum to an OpcodeListBuilder::CfaLayout enum, defaults to 717 * RGGB for an unknown enum. 718 */ 719static OpcodeListBuilder::CfaLayout convertCFAEnumToOpcodeLayout(uint8_t cfaEnum) { 720 camera_metadata_enum_android_sensor_info_color_filter_arrangement_t cfa = 721 static_cast<camera_metadata_enum_android_sensor_info_color_filter_arrangement_t>( 722 cfaEnum); 723 switch(cfa) { 724 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB: { 725 return OpcodeListBuilder::CFA_RGGB; 726 } 727 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG: { 728 return OpcodeListBuilder::CFA_GRBG; 729 } 730 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG: { 731 return OpcodeListBuilder::CFA_GBRG; 732 } 733 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR: { 734 return OpcodeListBuilder::CFA_BGGR; 735 } 736 default: { 737 return OpcodeListBuilder::CFA_RGGB; 738 } 739 } 740} 741 742/** 743 * For each color plane, find the corresponding noise profile coefficients given in the 744 * per-channel noise profile. If multiple channels in the CFA correspond to a color in the color 745 * plane, this method takes the pair of noise profile coefficients with the higher S coefficient. 746 * 747 * perChannelNoiseProfile - numChannels * 2 noise profile coefficients. 748 * cfa - numChannels color channels corresponding to each of the per-channel noise profile 749 * coefficients. 750 * numChannels - the number of noise profile coefficient pairs and color channels given in 751 * the perChannelNoiseProfile and cfa arguments, respectively. 752 * planeColors - the color planes in the noise profile output. 753 * numPlanes - the number of planes in planeColors and pairs of coefficients in noiseProfile. 754 * noiseProfile - 2 * numPlanes doubles containing numPlanes pairs of noise profile coefficients. 755 * 756 * returns OK, or a negative error code on failure. 757 */ 758static status_t generateNoiseProfile(const double* perChannelNoiseProfile, uint8_t* cfa, 759 size_t numChannels, const uint8_t* planeColors, size_t numPlanes, 760 /*out*/double* noiseProfile) { 761 762 for (size_t p = 0; p < numPlanes; ++p) { 763 size_t S = p * 2; 764 size_t O = p * 2 + 1; 765 766 noiseProfile[S] = 0; 767 noiseProfile[O] = 0; 768 bool uninitialized = true; 769 for (size_t c = 0; c < numChannels; ++c) { 770 if (cfa[c] == planeColors[p] && perChannelNoiseProfile[c * 2] > noiseProfile[S]) { 771 noiseProfile[S] = perChannelNoiseProfile[c * 2]; 772 noiseProfile[O] = perChannelNoiseProfile[c * 2 + 1]; 773 uninitialized = false; 774 } 775 } 776 if (uninitialized) { 777 ALOGE("%s: No valid NoiseProfile coefficients for color plane %zu", 778 __FUNCTION__, p); 779 return BAD_VALUE; 780 } 781 } 782 return OK; 783} 784 785// ---------------------------------------------------------------------------- 786extern "C" { 787 788static NativeContext* DngCreator_getNativeContext(JNIEnv* env, jobject thiz) { 789 ALOGV("%s:", __FUNCTION__); 790 return reinterpret_cast<NativeContext*>(env->GetLongField(thiz, 791 gDngCreatorClassInfo.mNativeContext)); 792} 793 794static void DngCreator_setNativeContext(JNIEnv* env, jobject thiz, sp<NativeContext> context) { 795 ALOGV("%s:", __FUNCTION__); 796 NativeContext* current = DngCreator_getNativeContext(env, thiz); 797 798 if (context != NULL) { 799 context->incStrong((void*) DngCreator_setNativeContext); 800 } 801 802 if (current) { 803 current->decStrong((void*) DngCreator_setNativeContext); 804 } 805 806 env->SetLongField(thiz, gDngCreatorClassInfo.mNativeContext, 807 reinterpret_cast<jlong>(context.get())); 808} 809 810static TiffWriter* DngCreator_getCreator(JNIEnv* env, jobject thiz) { 811 ALOGV("%s:", __FUNCTION__); 812 NativeContext* current = DngCreator_getNativeContext(env, thiz); 813 if (current) { 814 return current->getWriter(); 815 } 816 return NULL; 817} 818 819static void DngCreator_nativeClassInit(JNIEnv* env, jclass clazz) { 820 ALOGV("%s:", __FUNCTION__); 821 822 gDngCreatorClassInfo.mNativeContext = GetFieldIDOrDie(env, 823 clazz, ANDROID_DNGCREATOR_CTX_JNI_ID, "J"); 824 825 jclass outputStreamClazz = FindClassOrDie(env, "java/io/OutputStream"); 826 gOutputStreamClassInfo.mWriteMethod = GetMethodIDOrDie(env, 827 outputStreamClazz, "write", "([BII)V"); 828 829 jclass inputStreamClazz = FindClassOrDie(env, "java/io/InputStream"); 830 gInputStreamClassInfo.mReadMethod = GetMethodIDOrDie(env, inputStreamClazz, "read", "([BII)I"); 831 gInputStreamClassInfo.mSkipMethod = GetMethodIDOrDie(env, inputStreamClazz, "skip", "(J)J"); 832 833 jclass inputBufferClazz = FindClassOrDie(env, "java/nio/ByteBuffer"); 834 gInputByteBufferClassInfo.mGetMethod = GetMethodIDOrDie(env, 835 inputBufferClazz, "get", "([BII)Ljava/nio/ByteBuffer;"); 836} 837 838static void DngCreator_init(JNIEnv* env, jobject thiz, jobject characteristicsPtr, 839 jobject resultsPtr, jstring formattedCaptureTime) { 840 ALOGV("%s:", __FUNCTION__); 841 CameraMetadata characteristics; 842 CameraMetadata results; 843 if (CameraMetadata_getNativeMetadata(env, characteristicsPtr, &characteristics) != OK) { 844 jniThrowException(env, "java/lang/AssertionError", 845 "No native metadata defined for camera characteristics."); 846 return; 847 } 848 if (CameraMetadata_getNativeMetadata(env, resultsPtr, &results) != OK) { 849 jniThrowException(env, "java/lang/AssertionError", 850 "No native metadata defined for capture results."); 851 return; 852 } 853 854 sp<NativeContext> nativeContext = new NativeContext(); 855 TiffWriter* writer = nativeContext->getWriter(); 856 857 writer->addIfd(TIFF_IFD_0); 858 859 status_t err = OK; 860 861 const uint32_t samplesPerPixel = 1; 862 const uint32_t bitsPerSample = BITS_PER_SAMPLE; 863 uint32_t imageWidth = 0; 864 uint32_t imageHeight = 0; 865 866 OpcodeListBuilder::CfaLayout opcodeCfaLayout = OpcodeListBuilder::CFA_RGGB; 867 uint8_t cfaPlaneColor[3] = {0, 1, 2}; 868 uint8_t cfaEnum = -1; 869 870 // TODO: Greensplit. 871 // TODO: Add remaining non-essential tags 872 873 // Setup main image tags 874 875 { 876 // Set orientation 877 uint16_t orientation = 1; // Normal 878 BAIL_IF_INVALID(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_0), env, 879 TAG_ORIENTATION, writer); 880 } 881 882 { 883 // Set subfiletype 884 uint32_t subfileType = 0; // Main image 885 BAIL_IF_INVALID(writer->addEntry(TAG_NEWSUBFILETYPE, 1, &subfileType, TIFF_IFD_0), env, 886 TAG_NEWSUBFILETYPE, writer); 887 } 888 889 { 890 // Set bits per sample 891 uint16_t bits = static_cast<uint16_t>(bitsPerSample); 892 BAIL_IF_INVALID(writer->addEntry(TAG_BITSPERSAMPLE, 1, &bits, TIFF_IFD_0), env, 893 TAG_BITSPERSAMPLE, writer); 894 } 895 896 { 897 // Set compression 898 uint16_t compression = 1; // None 899 BAIL_IF_INVALID(writer->addEntry(TAG_COMPRESSION, 1, &compression, TIFF_IFD_0), env, 900 TAG_COMPRESSION, writer); 901 } 902 903 { 904 // Set dimensions 905 camera_metadata_entry entry = 906 characteristics.find(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE); 907 BAIL_IF_EMPTY(entry, env, TAG_IMAGEWIDTH, writer); 908 uint32_t width = static_cast<uint32_t>(entry.data.i32[2]); 909 uint32_t height = static_cast<uint32_t>(entry.data.i32[3]); 910 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGEWIDTH, 1, &width, TIFF_IFD_0), env, 911 TAG_IMAGEWIDTH, writer); 912 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGELENGTH, 1, &height, TIFF_IFD_0), env, 913 TAG_IMAGELENGTH, writer); 914 imageWidth = width; 915 imageHeight = height; 916 } 917 918 { 919 // Set photometric interpretation 920 uint16_t interpretation = 32803; // CFA 921 BAIL_IF_INVALID(writer->addEntry(TAG_PHOTOMETRICINTERPRETATION, 1, &interpretation, 922 TIFF_IFD_0), env, TAG_PHOTOMETRICINTERPRETATION, writer); 923 } 924 925 { 926 // Set blacklevel tags 927 camera_metadata_entry entry = 928 characteristics.find(ANDROID_SENSOR_BLACK_LEVEL_PATTERN); 929 BAIL_IF_EMPTY(entry, env, TAG_BLACKLEVEL, writer); 930 const uint32_t* blackLevel = reinterpret_cast<const uint32_t*>(entry.data.i32); 931 BAIL_IF_INVALID(writer->addEntry(TAG_BLACKLEVEL, entry.count, blackLevel, TIFF_IFD_0), env, 932 TAG_BLACKLEVEL, writer); 933 934 uint16_t repeatDim[2] = {2, 2}; 935 BAIL_IF_INVALID(writer->addEntry(TAG_BLACKLEVELREPEATDIM, 2, repeatDim, TIFF_IFD_0), env, 936 TAG_BLACKLEVELREPEATDIM, writer); 937 } 938 939 { 940 // Set samples per pixel 941 uint16_t samples = static_cast<uint16_t>(samplesPerPixel); 942 BAIL_IF_INVALID(writer->addEntry(TAG_SAMPLESPERPIXEL, 1, &samples, TIFF_IFD_0), 943 env, TAG_SAMPLESPERPIXEL, writer); 944 } 945 946 { 947 // Set planar configuration 948 uint16_t config = 1; // Chunky 949 BAIL_IF_INVALID(writer->addEntry(TAG_PLANARCONFIGURATION, 1, &config, TIFF_IFD_0), 950 env, TAG_PLANARCONFIGURATION, writer); 951 } 952 953 { 954 // Set CFA pattern dimensions 955 uint16_t repeatDim[2] = {2, 2}; 956 BAIL_IF_INVALID(writer->addEntry(TAG_CFAREPEATPATTERNDIM, 2, repeatDim, TIFF_IFD_0), 957 env, TAG_CFAREPEATPATTERNDIM, writer); 958 } 959 960 { 961 // Set CFA pattern 962 camera_metadata_entry entry = 963 characteristics.find(ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT); 964 BAIL_IF_EMPTY(entry, env, TAG_CFAPATTERN, writer); 965 966 const int cfaLength = 4; 967 cfaEnum = entry.data.u8[0]; 968 uint8_t cfa[cfaLength]; 969 if ((err = convertCFA(cfaEnum, /*out*/cfa)) != OK) { 970 jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 971 "Invalid metadata for tag %d", TAG_CFAPATTERN); 972 } 973 974 BAIL_IF_INVALID(writer->addEntry(TAG_CFAPATTERN, cfaLength, cfa, TIFF_IFD_0), env, 975 TAG_CFAPATTERN, writer); 976 977 opcodeCfaLayout = convertCFAEnumToOpcodeLayout(cfaEnum); 978 } 979 980 { 981 // Set CFA plane color 982 BAIL_IF_INVALID(writer->addEntry(TAG_CFAPLANECOLOR, 3, cfaPlaneColor, TIFF_IFD_0), 983 env, TAG_CFAPLANECOLOR, writer); 984 } 985 986 { 987 // Set CFA layout 988 uint16_t cfaLayout = 1; 989 BAIL_IF_INVALID(writer->addEntry(TAG_CFALAYOUT, 1, &cfaLayout, TIFF_IFD_0), 990 env, TAG_CFALAYOUT, writer); 991 } 992 993 { 994 // image description 995 uint8_t imageDescription = '\0'; // empty 996 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGEDESCRIPTION, 1, &imageDescription, TIFF_IFD_0), 997 env, TAG_IMAGEDESCRIPTION, writer); 998 } 999 1000 { 1001 // make 1002 char manufacturer[PROPERTY_VALUE_MAX]; 1003 1004 // Use "" to represent unknown make as suggested in TIFF/EP spec. 1005 property_get("ro.product.manufacturer", manufacturer, ""); 1006 uint32_t count = static_cast<uint32_t>(strlen(manufacturer)) + 1; 1007 1008 BAIL_IF_INVALID(writer->addEntry(TAG_MAKE, count, reinterpret_cast<uint8_t*>(manufacturer), 1009 TIFF_IFD_0), env, TAG_MAKE, writer); 1010 } 1011 1012 { 1013 // model 1014 char model[PROPERTY_VALUE_MAX]; 1015 1016 // Use "" to represent unknown model as suggested in TIFF/EP spec. 1017 property_get("ro.product.model", model, ""); 1018 uint32_t count = static_cast<uint32_t>(strlen(model)) + 1; 1019 1020 BAIL_IF_INVALID(writer->addEntry(TAG_MODEL, count, reinterpret_cast<uint8_t*>(model), 1021 TIFF_IFD_0), env, TAG_MODEL, writer); 1022 } 1023 1024 { 1025 // x resolution 1026 uint32_t xres[] = { 72, 1 }; // default 72 ppi 1027 BAIL_IF_INVALID(writer->addEntry(TAG_XRESOLUTION, 1, xres, TIFF_IFD_0), 1028 env, TAG_XRESOLUTION, writer); 1029 1030 // y resolution 1031 uint32_t yres[] = { 72, 1 }; // default 72 ppi 1032 BAIL_IF_INVALID(writer->addEntry(TAG_YRESOLUTION, 1, yres, TIFF_IFD_0), 1033 env, TAG_YRESOLUTION, writer); 1034 1035 uint16_t unit = 2; // inches 1036 BAIL_IF_INVALID(writer->addEntry(TAG_RESOLUTIONUNIT, 1, &unit, TIFF_IFD_0), 1037 env, TAG_RESOLUTIONUNIT, writer); 1038 } 1039 1040 { 1041 // software 1042 char software[PROPERTY_VALUE_MAX]; 1043 property_get("ro.build.fingerprint", software, ""); 1044 uint32_t count = static_cast<uint32_t>(strlen(software)) + 1; 1045 BAIL_IF_INVALID(writer->addEntry(TAG_SOFTWARE, count, reinterpret_cast<uint8_t*>(software), 1046 TIFF_IFD_0), env, TAG_SOFTWARE, writer); 1047 } 1048 1049 { 1050 // datetime 1051 const size_t DATETIME_COUNT = 20; 1052 const char* captureTime = env->GetStringUTFChars(formattedCaptureTime, NULL); 1053 1054 size_t len = strlen(captureTime) + 1; 1055 if (len != DATETIME_COUNT) { 1056 jniThrowException(env, "java/lang/IllegalArgumentException", 1057 "Timestamp string length is not required 20 characters"); 1058 return; 1059 } 1060 1061 if (writer->addEntry(TAG_DATETIME, DATETIME_COUNT, 1062 reinterpret_cast<const uint8_t*>(captureTime), TIFF_IFD_0) != OK) { 1063 env->ReleaseStringUTFChars(formattedCaptureTime, captureTime); 1064 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 1065 "Invalid metadata for tag %x", TAG_DATETIME); 1066 return; 1067 } 1068 1069 // datetime original 1070 if (writer->addEntry(TAG_DATETIMEORIGINAL, DATETIME_COUNT, 1071 reinterpret_cast<const uint8_t*>(captureTime), TIFF_IFD_0) != OK) { 1072 env->ReleaseStringUTFChars(formattedCaptureTime, captureTime); 1073 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 1074 "Invalid metadata for tag %x", TAG_DATETIMEORIGINAL); 1075 return; 1076 } 1077 env->ReleaseStringUTFChars(formattedCaptureTime, captureTime); 1078 } 1079 1080 { 1081 // TIFF/EP standard id 1082 uint8_t standardId[] = { 1, 0, 0, 0 }; 1083 BAIL_IF_INVALID(writer->addEntry(TAG_TIFFEPSTANDARDID, 4, standardId, 1084 TIFF_IFD_0), env, TAG_TIFFEPSTANDARDID, writer); 1085 } 1086 1087 { 1088 // copyright 1089 uint8_t copyright = '\0'; // empty 1090 BAIL_IF_INVALID(writer->addEntry(TAG_COPYRIGHT, 1, ©right, 1091 TIFF_IFD_0), env, TAG_COPYRIGHT, writer); 1092 } 1093 1094 { 1095 // exposure time 1096 camera_metadata_entry entry = 1097 results.find(ANDROID_SENSOR_EXPOSURE_TIME); 1098 BAIL_IF_EMPTY(entry, env, TAG_EXPOSURETIME, writer); 1099 1100 int64_t exposureTime = *(entry.data.i64); 1101 1102 if (exposureTime < 0) { 1103 // Should be unreachable 1104 jniThrowException(env, "java/lang/IllegalArgumentException", 1105 "Negative exposure time in metadata"); 1106 return; 1107 } 1108 1109 // Ensure exposure time doesn't overflow (for exposures > 4s) 1110 uint32_t denominator = 1000000000; 1111 while (exposureTime > UINT32_MAX) { 1112 exposureTime >>= 1; 1113 denominator >>= 1; 1114 if (denominator == 0) { 1115 // Should be unreachable 1116 jniThrowException(env, "java/lang/IllegalArgumentException", 1117 "Exposure time too long"); 1118 return; 1119 } 1120 } 1121 1122 uint32_t exposure[] = { static_cast<uint32_t>(exposureTime), denominator }; 1123 BAIL_IF_INVALID(writer->addEntry(TAG_EXPOSURETIME, 1, exposure, 1124 TIFF_IFD_0), env, TAG_EXPOSURETIME, writer); 1125 1126 } 1127 1128 { 1129 // ISO speed ratings 1130 camera_metadata_entry entry = 1131 results.find(ANDROID_SENSOR_SENSITIVITY); 1132 BAIL_IF_EMPTY(entry, env, TAG_ISOSPEEDRATINGS, writer); 1133 1134 int32_t tempIso = *(entry.data.i32); 1135 if (tempIso < 0) { 1136 jniThrowException(env, "java/lang/IllegalArgumentException", 1137 "Negative ISO value"); 1138 return; 1139 } 1140 1141 if (tempIso > UINT16_MAX) { 1142 ALOGW("%s: ISO value overflows UINT16_MAX, clamping to max", __FUNCTION__); 1143 tempIso = UINT16_MAX; 1144 } 1145 1146 uint16_t iso = static_cast<uint16_t>(tempIso); 1147 BAIL_IF_INVALID(writer->addEntry(TAG_ISOSPEEDRATINGS, 1, &iso, 1148 TIFF_IFD_0), env, TAG_ISOSPEEDRATINGS, writer); 1149 } 1150 1151 { 1152 // focal length 1153 camera_metadata_entry entry = 1154 results.find(ANDROID_LENS_FOCAL_LENGTH); 1155 BAIL_IF_EMPTY(entry, env, TAG_FOCALLENGTH, writer); 1156 1157 uint32_t focalLength[] = { static_cast<uint32_t>(*(entry.data.f) * 100), 100 }; 1158 BAIL_IF_INVALID(writer->addEntry(TAG_FOCALLENGTH, 1, focalLength, 1159 TIFF_IFD_0), env, TAG_FOCALLENGTH, writer); 1160 } 1161 1162 { 1163 // f number 1164 camera_metadata_entry entry = 1165 results.find(ANDROID_LENS_APERTURE); 1166 BAIL_IF_EMPTY(entry, env, TAG_FNUMBER, writer); 1167 1168 uint32_t fnum[] = { static_cast<uint32_t>(*(entry.data.f) * 100), 100 }; 1169 BAIL_IF_INVALID(writer->addEntry(TAG_FNUMBER, 1, fnum, 1170 TIFF_IFD_0), env, TAG_FNUMBER, writer); 1171 } 1172 1173 { 1174 // Set DNG version information 1175 uint8_t version[4] = {1, 4, 0, 0}; 1176 BAIL_IF_INVALID(writer->addEntry(TAG_DNGVERSION, 4, version, TIFF_IFD_0), 1177 env, TAG_DNGVERSION, writer); 1178 1179 uint8_t backwardVersion[4] = {1, 1, 0, 0}; 1180 BAIL_IF_INVALID(writer->addEntry(TAG_DNGBACKWARDVERSION, 4, backwardVersion, TIFF_IFD_0), 1181 env, TAG_DNGBACKWARDVERSION, writer); 1182 } 1183 1184 { 1185 // Set whitelevel 1186 camera_metadata_entry entry = 1187 characteristics.find(ANDROID_SENSOR_INFO_WHITE_LEVEL); 1188 BAIL_IF_EMPTY(entry, env, TAG_WHITELEVEL, writer); 1189 uint32_t whiteLevel = static_cast<uint32_t>(entry.data.i32[0]); 1190 BAIL_IF_INVALID(writer->addEntry(TAG_WHITELEVEL, 1, &whiteLevel, TIFF_IFD_0), env, 1191 TAG_WHITELEVEL, writer); 1192 } 1193 1194 { 1195 // Set default scale 1196 uint32_t defaultScale[4] = {1, 1, 1, 1}; 1197 BAIL_IF_INVALID(writer->addEntry(TAG_DEFAULTSCALE, 2, defaultScale, TIFF_IFD_0), 1198 env, TAG_DEFAULTSCALE, writer); 1199 } 1200 1201 bool singleIlluminant = false; 1202 { 1203 // Set calibration illuminants 1204 camera_metadata_entry entry1 = 1205 characteristics.find(ANDROID_SENSOR_REFERENCE_ILLUMINANT1); 1206 BAIL_IF_EMPTY(entry1, env, TAG_CALIBRATIONILLUMINANT1, writer); 1207 camera_metadata_entry entry2 = 1208 characteristics.find(ANDROID_SENSOR_REFERENCE_ILLUMINANT2); 1209 if (entry2.count == 0) { 1210 singleIlluminant = true; 1211 } 1212 uint16_t ref1 = entry1.data.u8[0]; 1213 1214 BAIL_IF_INVALID(writer->addEntry(TAG_CALIBRATIONILLUMINANT1, 1, &ref1, 1215 TIFF_IFD_0), env, TAG_CALIBRATIONILLUMINANT1, writer); 1216 1217 if (!singleIlluminant) { 1218 uint16_t ref2 = entry2.data.u8[0]; 1219 BAIL_IF_INVALID(writer->addEntry(TAG_CALIBRATIONILLUMINANT2, 1, &ref2, 1220 TIFF_IFD_0), env, TAG_CALIBRATIONILLUMINANT2, writer); 1221 } 1222 } 1223 1224 { 1225 // Set color transforms 1226 camera_metadata_entry entry1 = 1227 characteristics.find(ANDROID_SENSOR_COLOR_TRANSFORM1); 1228 BAIL_IF_EMPTY(entry1, env, TAG_COLORMATRIX1, writer); 1229 1230 int32_t colorTransform1[entry1.count * 2]; 1231 1232 size_t ctr = 0; 1233 for(size_t i = 0; i < entry1.count; ++i) { 1234 colorTransform1[ctr++] = entry1.data.r[i].numerator; 1235 colorTransform1[ctr++] = entry1.data.r[i].denominator; 1236 } 1237 1238 BAIL_IF_INVALID(writer->addEntry(TAG_COLORMATRIX1, entry1.count, colorTransform1, 1239 TIFF_IFD_0), env, TAG_COLORMATRIX1, writer); 1240 1241 if (!singleIlluminant) { 1242 camera_metadata_entry entry2 = characteristics.find(ANDROID_SENSOR_COLOR_TRANSFORM2); 1243 BAIL_IF_EMPTY(entry2, env, TAG_COLORMATRIX2, writer); 1244 int32_t colorTransform2[entry2.count * 2]; 1245 1246 ctr = 0; 1247 for(size_t i = 0; i < entry2.count; ++i) { 1248 colorTransform2[ctr++] = entry2.data.r[i].numerator; 1249 colorTransform2[ctr++] = entry2.data.r[i].denominator; 1250 } 1251 1252 BAIL_IF_INVALID(writer->addEntry(TAG_COLORMATRIX2, entry2.count, colorTransform2, 1253 TIFF_IFD_0), env, TAG_COLORMATRIX2, writer); 1254 } 1255 } 1256 1257 { 1258 // Set calibration transforms 1259 camera_metadata_entry entry1 = 1260 characteristics.find(ANDROID_SENSOR_CALIBRATION_TRANSFORM1); 1261 BAIL_IF_EMPTY(entry1, env, TAG_CAMERACALIBRATION1, writer); 1262 1263 int32_t calibrationTransform1[entry1.count * 2]; 1264 1265 size_t ctr = 0; 1266 for(size_t i = 0; i < entry1.count; ++i) { 1267 calibrationTransform1[ctr++] = entry1.data.r[i].numerator; 1268 calibrationTransform1[ctr++] = entry1.data.r[i].denominator; 1269 } 1270 1271 BAIL_IF_INVALID(writer->addEntry(TAG_CAMERACALIBRATION1, entry1.count, 1272 calibrationTransform1, TIFF_IFD_0), env, TAG_CAMERACALIBRATION1, writer); 1273 1274 if (!singleIlluminant) { 1275 camera_metadata_entry entry2 = 1276 characteristics.find(ANDROID_SENSOR_CALIBRATION_TRANSFORM2); 1277 BAIL_IF_EMPTY(entry2, env, TAG_CAMERACALIBRATION2, writer); 1278 int32_t calibrationTransform2[entry2.count * 2]; 1279 1280 ctr = 0; 1281 for(size_t i = 0; i < entry2.count; ++i) { 1282 calibrationTransform2[ctr++] = entry2.data.r[i].numerator; 1283 calibrationTransform2[ctr++] = entry2.data.r[i].denominator; 1284 } 1285 1286 BAIL_IF_INVALID(writer->addEntry(TAG_CAMERACALIBRATION2, entry2.count, 1287 calibrationTransform2, TIFF_IFD_0), env, TAG_CAMERACALIBRATION2, writer); 1288 } 1289 } 1290 1291 { 1292 // Set forward transforms 1293 camera_metadata_entry entry1 = 1294 characteristics.find(ANDROID_SENSOR_FORWARD_MATRIX1); 1295 BAIL_IF_EMPTY(entry1, env, TAG_FORWARDMATRIX1, writer); 1296 1297 int32_t forwardTransform1[entry1.count * 2]; 1298 1299 size_t ctr = 0; 1300 for(size_t i = 0; i < entry1.count; ++i) { 1301 forwardTransform1[ctr++] = entry1.data.r[i].numerator; 1302 forwardTransform1[ctr++] = entry1.data.r[i].denominator; 1303 } 1304 1305 BAIL_IF_INVALID(writer->addEntry(TAG_FORWARDMATRIX1, entry1.count, forwardTransform1, 1306 TIFF_IFD_0), env, TAG_FORWARDMATRIX1, writer); 1307 1308 if (!singleIlluminant) { 1309 camera_metadata_entry entry2 = 1310 characteristics.find(ANDROID_SENSOR_FORWARD_MATRIX2); 1311 BAIL_IF_EMPTY(entry2, env, TAG_FORWARDMATRIX2, writer); 1312 int32_t forwardTransform2[entry2.count * 2]; 1313 1314 ctr = 0; 1315 for(size_t i = 0; i < entry2.count; ++i) { 1316 forwardTransform2[ctr++] = entry2.data.r[i].numerator; 1317 forwardTransform2[ctr++] = entry2.data.r[i].denominator; 1318 } 1319 1320 BAIL_IF_INVALID(writer->addEntry(TAG_FORWARDMATRIX2, entry2.count, forwardTransform2, 1321 TIFF_IFD_0), env, TAG_FORWARDMATRIX2, writer); 1322 } 1323 } 1324 1325 { 1326 // Set camera neutral 1327 camera_metadata_entry entry = 1328 results.find(ANDROID_SENSOR_NEUTRAL_COLOR_POINT); 1329 BAIL_IF_EMPTY(entry, env, TAG_ASSHOTNEUTRAL, writer); 1330 uint32_t cameraNeutral[entry.count * 2]; 1331 1332 size_t ctr = 0; 1333 for(size_t i = 0; i < entry.count; ++i) { 1334 cameraNeutral[ctr++] = 1335 static_cast<uint32_t>(entry.data.r[i].numerator); 1336 cameraNeutral[ctr++] = 1337 static_cast<uint32_t>(entry.data.r[i].denominator); 1338 } 1339 1340 BAIL_IF_INVALID(writer->addEntry(TAG_ASSHOTNEUTRAL, entry.count, cameraNeutral, 1341 TIFF_IFD_0), env, TAG_ASSHOTNEUTRAL, writer); 1342 } 1343 1344 { 1345 // Setup data strips 1346 // TODO: Switch to tiled implementation. 1347 if (writer->addStrip(TIFF_IFD_0) != OK) { 1348 ALOGE("%s: Could not setup strip tags.", __FUNCTION__); 1349 jniThrowException(env, "java/lang/IllegalStateException", 1350 "Failed to setup strip tags."); 1351 return; 1352 } 1353 } 1354 1355 { 1356 // Setup default crop + crop origin tags 1357 uint32_t margin = 8; // Default margin recommended by Adobe for interpolation. 1358 uint32_t dimensionLimit = 128; // Smallest image dimension crop margin from. 1359 if (imageWidth >= dimensionLimit && imageHeight >= dimensionLimit) { 1360 uint32_t defaultCropOrigin[] = {margin, margin}; 1361 uint32_t defaultCropSize[] = {imageWidth - 2 * margin, imageHeight - 2 * margin}; 1362 BAIL_IF_INVALID(writer->addEntry(TAG_DEFAULTCROPORIGIN, 2, defaultCropOrigin, 1363 TIFF_IFD_0), env, TAG_DEFAULTCROPORIGIN, writer); 1364 BAIL_IF_INVALID(writer->addEntry(TAG_DEFAULTCROPSIZE, 2, defaultCropSize, 1365 TIFF_IFD_0), env, TAG_DEFAULTCROPSIZE, writer); 1366 } 1367 } 1368 1369 { 1370 // Setup unique camera model tag 1371 char model[PROPERTY_VALUE_MAX]; 1372 property_get("ro.product.model", model, ""); 1373 1374 char manufacturer[PROPERTY_VALUE_MAX]; 1375 property_get("ro.product.manufacturer", manufacturer, ""); 1376 1377 char brand[PROPERTY_VALUE_MAX]; 1378 property_get("ro.product.brand", brand, ""); 1379 1380 String8 cameraModel(model); 1381 cameraModel += "-"; 1382 cameraModel += manufacturer; 1383 cameraModel += "-"; 1384 cameraModel += brand; 1385 1386 BAIL_IF_INVALID(writer->addEntry(TAG_UNIQUECAMERAMODEL, cameraModel.size() + 1, 1387 reinterpret_cast<const uint8_t*>(cameraModel.string()), TIFF_IFD_0), env, 1388 TAG_UNIQUECAMERAMODEL, writer); 1389 } 1390 1391 { 1392 // Setup sensor noise model 1393 camera_metadata_entry entry = 1394 results.find(ANDROID_SENSOR_NOISE_PROFILE); 1395 1396 const status_t numPlaneColors = 3; 1397 const status_t numCfaChannels = 4; 1398 1399 uint8_t cfaOut[numCfaChannels]; 1400 if ((err = convertCFA(cfaEnum, /*out*/cfaOut)) != OK) { 1401 jniThrowException(env, "java/lang/IllegalArgumentException", 1402 "Invalid CFA from camera characteristics"); 1403 return; 1404 } 1405 1406 double noiseProfile[numPlaneColors * 2]; 1407 1408 if (entry.count > 0) { 1409 if (entry.count != numCfaChannels * 2) { 1410 ALOGW("%s: Invalid entry count %zu for noise profile returned " 1411 "in characteristics, no noise profile tag written...", 1412 __FUNCTION__, entry.count); 1413 } else { 1414 if ((err = generateNoiseProfile(entry.data.d, cfaOut, numCfaChannels, 1415 cfaPlaneColor, numPlaneColors, /*out*/ noiseProfile)) == OK) { 1416 1417 BAIL_IF_INVALID(writer->addEntry(TAG_NOISEPROFILE, numPlaneColors * 2, 1418 noiseProfile, TIFF_IFD_0), env, TAG_NOISEPROFILE, writer); 1419 } else { 1420 ALOGW("%s: Error converting coefficients for noise profile, no noise profile" 1421 " tag written...", __FUNCTION__); 1422 } 1423 } 1424 } else { 1425 ALOGW("%s: No noise profile found in result metadata. Image quality may be reduced.", 1426 __FUNCTION__); 1427 } 1428 } 1429 1430 { 1431 // Setup opcode List 2 1432 camera_metadata_entry entry1 = 1433 characteristics.find(ANDROID_LENS_INFO_SHADING_MAP_SIZE); 1434 1435 uint32_t lsmWidth = 0; 1436 uint32_t lsmHeight = 0; 1437 1438 if (entry1.count != 0) { 1439 lsmWidth = static_cast<uint32_t>(entry1.data.i32[0]); 1440 lsmHeight = static_cast<uint32_t>(entry1.data.i32[1]); 1441 } 1442 1443 camera_metadata_entry entry2 = 1444 results.find(ANDROID_STATISTICS_LENS_SHADING_MAP); 1445 1446 if (entry2.count > 0 && entry2.count == lsmWidth * lsmHeight * 4) { 1447 1448 OpcodeListBuilder builder; 1449 status_t err = builder.addGainMapsForMetadata(lsmWidth, 1450 lsmHeight, 1451 0, 1452 0, 1453 imageHeight, 1454 imageWidth, 1455 opcodeCfaLayout, 1456 entry2.data.f); 1457 if (err == OK) { 1458 size_t listSize = builder.getSize(); 1459 uint8_t opcodeListBuf[listSize]; 1460 err = builder.buildOpList(opcodeListBuf); 1461 if (err == OK) { 1462 BAIL_IF_INVALID(writer->addEntry(TAG_OPCODELIST2, listSize, opcodeListBuf, 1463 TIFF_IFD_0), env, TAG_OPCODELIST2, writer); 1464 } else { 1465 ALOGE("%s: Could not build Lens shading map opcode.", __FUNCTION__); 1466 jniThrowRuntimeException(env, "failed to construct lens shading map opcode."); 1467 } 1468 } else { 1469 ALOGE("%s: Could not add Lens shading map.", __FUNCTION__); 1470 jniThrowRuntimeException(env, "failed to add lens shading map."); 1471 } 1472 } else { 1473 ALOGW("%s: No lens shading map found in result metadata. Image quality may be reduced.", 1474 __FUNCTION__); 1475 } 1476 } 1477 1478 DngCreator_setNativeContext(env, thiz, nativeContext); 1479} 1480 1481static void DngCreator_destroy(JNIEnv* env, jobject thiz) { 1482 ALOGV("%s:", __FUNCTION__); 1483 DngCreator_setNativeContext(env, thiz, NULL); 1484} 1485 1486static void DngCreator_nativeSetOrientation(JNIEnv* env, jobject thiz, jint orient) { 1487 ALOGV("%s:", __FUNCTION__); 1488 1489 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1490 if (writer == NULL) { 1491 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1492 jniThrowException(env, "java/lang/AssertionError", 1493 "setOrientation called with uninitialized DngCreator"); 1494 return; 1495 } 1496 1497 uint16_t orientation = static_cast<uint16_t>(orient); 1498 BAIL_IF_INVALID(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_0), env, 1499 TAG_ORIENTATION, writer); 1500 1501 // Set main image orientation also if in a separate IFD 1502 if (writer->hasIfd(TIFF_IFD_SUB1)) { 1503 BAIL_IF_INVALID(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_SUB1), env, 1504 TAG_ORIENTATION, writer); 1505 } 1506} 1507 1508static void DngCreator_nativeSetDescription(JNIEnv* env, jobject thiz, jstring description) { 1509 ALOGV("%s:", __FUNCTION__); 1510 1511 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1512 if (writer == NULL) { 1513 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1514 jniThrowException(env, "java/lang/AssertionError", 1515 "setDescription called with uninitialized DngCreator"); 1516 return; 1517 } 1518 1519 const char* desc = env->GetStringUTFChars(description, NULL); 1520 size_t len = strlen(desc) + 1; 1521 1522 if (writer->addEntry(TAG_IMAGEDESCRIPTION, len, 1523 reinterpret_cast<const uint8_t*>(desc), TIFF_IFD_0) != OK) { 1524 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 1525 "Invalid metadata for tag %x", TAG_IMAGEDESCRIPTION); 1526 } 1527 1528 env->ReleaseStringUTFChars(description, desc); 1529} 1530 1531static void DngCreator_nativeSetGpsTags(JNIEnv* env, jobject thiz, jintArray latTag, jstring latRef, 1532 jintArray longTag, jstring longRef, jstring dateTag, jintArray timeTag) { 1533 ALOGV("%s:", __FUNCTION__); 1534 1535 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1536 if (writer == NULL) { 1537 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1538 jniThrowException(env, "java/lang/AssertionError", 1539 "setGpsTags called with uninitialized DngCreator"); 1540 return; 1541 } 1542 1543 if (!writer->hasIfd(TIFF_IFD_GPSINFO)) { 1544 if (writer->addSubIfd(TIFF_IFD_0, TIFF_IFD_GPSINFO, TiffWriter::GPSINFO) != OK) { 1545 ALOGE("%s: Failed to add GpsInfo IFD %u to IFD %u", __FUNCTION__, TIFF_IFD_GPSINFO, 1546 TIFF_IFD_0); 1547 jniThrowException(env, "java/lang/IllegalStateException", "Failed to add GPSINFO"); 1548 return; 1549 } 1550 } 1551 1552 const jsize GPS_VALUE_LENGTH = 6; 1553 jsize latLen = env->GetArrayLength(latTag); 1554 jsize longLen = env->GetArrayLength(longTag); 1555 jsize timeLen = env->GetArrayLength(timeTag); 1556 if (latLen != GPS_VALUE_LENGTH) { 1557 jniThrowException(env, "java/lang/IllegalArgumentException", 1558 "invalid latitude tag length"); 1559 return; 1560 } else if (longLen != GPS_VALUE_LENGTH) { 1561 jniThrowException(env, "java/lang/IllegalArgumentException", 1562 "invalid longitude tag length"); 1563 return; 1564 } else if (timeLen != GPS_VALUE_LENGTH) { 1565 jniThrowException(env, "java/lang/IllegalArgumentException", 1566 "invalid time tag length"); 1567 return; 1568 } 1569 1570 uint32_t latitude[GPS_VALUE_LENGTH]; 1571 uint32_t longitude[GPS_VALUE_LENGTH]; 1572 uint32_t timestamp[GPS_VALUE_LENGTH]; 1573 1574 env->GetIntArrayRegion(latTag, 0, static_cast<jsize>(GPS_VALUE_LENGTH), 1575 reinterpret_cast<jint*>(&latitude)); 1576 env->GetIntArrayRegion(longTag, 0, static_cast<jsize>(GPS_VALUE_LENGTH), 1577 reinterpret_cast<jint*>(&longitude)); 1578 env->GetIntArrayRegion(timeTag, 0, static_cast<jsize>(GPS_VALUE_LENGTH), 1579 reinterpret_cast<jint*>(×tamp)); 1580 1581 const jsize GPS_REF_LENGTH = 2; 1582 const jsize GPS_DATE_LENGTH = 11; 1583 uint8_t latitudeRef[GPS_REF_LENGTH]; 1584 uint8_t longitudeRef[GPS_REF_LENGTH]; 1585 uint8_t date[GPS_DATE_LENGTH]; 1586 1587 env->GetStringUTFRegion(latRef, 0, 1, reinterpret_cast<char*>(&latitudeRef)); 1588 latitudeRef[GPS_REF_LENGTH - 1] = '\0'; 1589 env->GetStringUTFRegion(longRef, 0, 1, reinterpret_cast<char*>(&longitudeRef)); 1590 longitudeRef[GPS_REF_LENGTH - 1] = '\0'; 1591 1592 env->GetStringUTFRegion(dateTag, 0, GPS_DATE_LENGTH - 1, reinterpret_cast<char*>(&date)); 1593 date[GPS_DATE_LENGTH - 1] = '\0'; 1594 1595 { 1596 uint8_t version[] = {2, 3, 0, 0}; 1597 BAIL_IF_INVALID(writer->addEntry(TAG_GPSVERSIONID, 4, version, 1598 TIFF_IFD_GPSINFO), env, TAG_GPSVERSIONID, writer); 1599 } 1600 1601 { 1602 BAIL_IF_INVALID(writer->addEntry(TAG_GPSLATITUDEREF, GPS_REF_LENGTH, latitudeRef, 1603 TIFF_IFD_GPSINFO), env, TAG_GPSLATITUDEREF, writer); 1604 } 1605 1606 { 1607 BAIL_IF_INVALID(writer->addEntry(TAG_GPSLONGITUDEREF, GPS_REF_LENGTH, longitudeRef, 1608 TIFF_IFD_GPSINFO), env, TAG_GPSLONGITUDEREF, writer); 1609 } 1610 1611 { 1612 BAIL_IF_INVALID(writer->addEntry(TAG_GPSLATITUDE, 3, latitude, 1613 TIFF_IFD_GPSINFO), env, TAG_GPSLATITUDE, writer); 1614 } 1615 1616 { 1617 BAIL_IF_INVALID(writer->addEntry(TAG_GPSLONGITUDE, 3, longitude, 1618 TIFF_IFD_GPSINFO), env, TAG_GPSLONGITUDE, writer); 1619 } 1620 1621 { 1622 BAIL_IF_INVALID(writer->addEntry(TAG_GPSTIMESTAMP, 3, timestamp, 1623 TIFF_IFD_GPSINFO), env, TAG_GPSTIMESTAMP, writer); 1624 } 1625 1626 { 1627 BAIL_IF_INVALID(writer->addEntry(TAG_GPSDATESTAMP, GPS_DATE_LENGTH, date, 1628 TIFF_IFD_GPSINFO), env, TAG_GPSDATESTAMP, writer); 1629 } 1630} 1631 1632static void DngCreator_nativeSetThumbnail(JNIEnv* env, jobject thiz, jobject buffer, jint width, 1633 jint height) { 1634 ALOGV("%s:", __FUNCTION__); 1635 1636 NativeContext* context = DngCreator_getNativeContext(env, thiz); 1637 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1638 if (writer == NULL || context == NULL) { 1639 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1640 jniThrowException(env, "java/lang/AssertionError", 1641 "setThumbnail called with uninitialized DngCreator"); 1642 return; 1643 } 1644 1645 size_t fullSize = width * height * BYTES_PER_RGB_PIXEL; 1646 jlong capacity = env->GetDirectBufferCapacity(buffer); 1647 if (static_cast<uint64_t>(capacity) != static_cast<uint64_t>(fullSize)) { 1648 jniThrowExceptionFmt(env, "java/lang/AssertionError", 1649 "Invalid size %d for thumbnail, expected size was %d", 1650 capacity, fullSize); 1651 return; 1652 } 1653 1654 uint8_t* pixelBytes = reinterpret_cast<uint8_t*>(env->GetDirectBufferAddress(buffer)); 1655 if (pixelBytes == NULL) { 1656 ALOGE("%s: Could not get native ByteBuffer", __FUNCTION__); 1657 jniThrowException(env, "java/lang/IllegalArgumentException", "Invalid ByteBuffer"); 1658 return; 1659 } 1660 1661 if (!writer->hasIfd(TIFF_IFD_SUB1)) { 1662 if (writer->addSubIfd(TIFF_IFD_0, TIFF_IFD_SUB1) != OK) { 1663 ALOGE("%s: Failed to add SubIFD %u to IFD %u", __FUNCTION__, TIFF_IFD_SUB1, 1664 TIFF_IFD_0); 1665 jniThrowException(env, "java/lang/IllegalStateException", "Failed to add SubIFD"); 1666 return; 1667 } 1668 1669 Vector<uint16_t> tagsToMove; 1670 tagsToMove.add(TAG_ORIENTATION); 1671 tagsToMove.add(TAG_NEWSUBFILETYPE); 1672 tagsToMove.add(TAG_BITSPERSAMPLE); 1673 tagsToMove.add(TAG_COMPRESSION); 1674 tagsToMove.add(TAG_IMAGEWIDTH); 1675 tagsToMove.add(TAG_IMAGELENGTH); 1676 tagsToMove.add(TAG_PHOTOMETRICINTERPRETATION); 1677 tagsToMove.add(TAG_BLACKLEVEL); 1678 tagsToMove.add(TAG_BLACKLEVELREPEATDIM); 1679 tagsToMove.add(TAG_SAMPLESPERPIXEL); 1680 tagsToMove.add(TAG_PLANARCONFIGURATION); 1681 tagsToMove.add(TAG_CFAREPEATPATTERNDIM); 1682 tagsToMove.add(TAG_CFAPATTERN); 1683 tagsToMove.add(TAG_CFAPLANECOLOR); 1684 tagsToMove.add(TAG_CFALAYOUT); 1685 tagsToMove.add(TAG_XRESOLUTION); 1686 tagsToMove.add(TAG_YRESOLUTION); 1687 tagsToMove.add(TAG_RESOLUTIONUNIT); 1688 tagsToMove.add(TAG_WHITELEVEL); 1689 tagsToMove.add(TAG_DEFAULTSCALE); 1690 tagsToMove.add(TAG_ROWSPERSTRIP); 1691 tagsToMove.add(TAG_STRIPBYTECOUNTS); 1692 tagsToMove.add(TAG_STRIPOFFSETS); 1693 tagsToMove.add(TAG_DEFAULTCROPORIGIN); 1694 tagsToMove.add(TAG_DEFAULTCROPSIZE); 1695 tagsToMove.add(TAG_OPCODELIST2); 1696 1697 if (moveEntries(writer, TIFF_IFD_0, TIFF_IFD_SUB1, tagsToMove) != OK) { 1698 jniThrowException(env, "java/lang/IllegalStateException", "Failed to move entries"); 1699 return; 1700 } 1701 1702 // Make sure both IFDs get the same orientation tag 1703 sp<TiffEntry> orientEntry = writer->getEntry(TAG_ORIENTATION, TIFF_IFD_SUB1); 1704 if (orientEntry != NULL) { 1705 writer->addEntry(orientEntry, TIFF_IFD_0); 1706 } 1707 } 1708 1709 // Setup thumbnail tags 1710 1711 { 1712 // Set photometric interpretation 1713 uint16_t interpretation = 2; // RGB 1714 BAIL_IF_INVALID(writer->addEntry(TAG_PHOTOMETRICINTERPRETATION, 1, &interpretation, 1715 TIFF_IFD_0), env, TAG_PHOTOMETRICINTERPRETATION, writer); 1716 } 1717 1718 { 1719 // Set planar configuration 1720 uint16_t config = 1; // Chunky 1721 BAIL_IF_INVALID(writer->addEntry(TAG_PLANARCONFIGURATION, 1, &config, TIFF_IFD_0), 1722 env, TAG_PLANARCONFIGURATION, writer); 1723 } 1724 1725 { 1726 // Set samples per pixel 1727 uint16_t samples = SAMPLES_PER_RGB_PIXEL; 1728 BAIL_IF_INVALID(writer->addEntry(TAG_SAMPLESPERPIXEL, 1, &samples, TIFF_IFD_0), 1729 env, TAG_SAMPLESPERPIXEL, writer); 1730 } 1731 1732 { 1733 // Set bits per sample 1734 uint16_t bits = BITS_PER_RGB_SAMPLE; 1735 BAIL_IF_INVALID(writer->addEntry(TAG_BITSPERSAMPLE, 1, &bits, TIFF_IFD_0), env, 1736 TAG_BITSPERSAMPLE, writer); 1737 } 1738 1739 { 1740 // Set subfiletype 1741 uint32_t subfileType = 1; // Thumbnail image 1742 BAIL_IF_INVALID(writer->addEntry(TAG_NEWSUBFILETYPE, 1, &subfileType, TIFF_IFD_0), env, 1743 TAG_NEWSUBFILETYPE, writer); 1744 } 1745 1746 { 1747 // Set compression 1748 uint16_t compression = 1; // None 1749 BAIL_IF_INVALID(writer->addEntry(TAG_COMPRESSION, 1, &compression, TIFF_IFD_0), env, 1750 TAG_COMPRESSION, writer); 1751 } 1752 1753 { 1754 // Set dimensions 1755 uint32_t uWidth = static_cast<uint32_t>(width); 1756 uint32_t uHeight = static_cast<uint32_t>(height); 1757 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGEWIDTH, 1, &uWidth, TIFF_IFD_0), env, 1758 TAG_IMAGEWIDTH, writer); 1759 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGELENGTH, 1, &uHeight, TIFF_IFD_0), env, 1760 TAG_IMAGELENGTH, writer); 1761 } 1762 1763 { 1764 // x resolution 1765 uint32_t xres[] = { 72, 1 }; // default 72 ppi 1766 BAIL_IF_INVALID(writer->addEntry(TAG_XRESOLUTION, 1, xres, TIFF_IFD_0), 1767 env, TAG_XRESOLUTION, writer); 1768 1769 // y resolution 1770 uint32_t yres[] = { 72, 1 }; // default 72 ppi 1771 BAIL_IF_INVALID(writer->addEntry(TAG_YRESOLUTION, 1, yres, TIFF_IFD_0), 1772 env, TAG_YRESOLUTION, writer); 1773 1774 uint16_t unit = 2; // inches 1775 BAIL_IF_INVALID(writer->addEntry(TAG_RESOLUTIONUNIT, 1, &unit, TIFF_IFD_0), 1776 env, TAG_RESOLUTIONUNIT, writer); 1777 } 1778 1779 { 1780 // Setup data strips 1781 if (writer->addStrip(TIFF_IFD_0) != OK) { 1782 ALOGE("%s: Could not setup thumbnail strip tags.", __FUNCTION__); 1783 jniThrowException(env, "java/lang/IllegalStateException", 1784 "Failed to setup thumbnail strip tags."); 1785 return; 1786 } 1787 if (writer->addStrip(TIFF_IFD_SUB1) != OK) { 1788 ALOGE("%s: Could not main image strip tags.", __FUNCTION__); 1789 jniThrowException(env, "java/lang/IllegalStateException", 1790 "Failed to setup main image strip tags."); 1791 return; 1792 } 1793 } 1794 1795 if (!context->setThumbnail(pixelBytes, width, height)) { 1796 jniThrowException(env, "java/lang/IllegalStateException", 1797 "Failed to set thumbnail."); 1798 return; 1799 } 1800} 1801 1802// TODO: Refactor out common preamble for the two nativeWrite methods. 1803static void DngCreator_nativeWriteImage(JNIEnv* env, jobject thiz, jobject outStream, jint width, 1804 jint height, jobject inBuffer, jint rowStride, jint pixStride, jlong offset, 1805 jboolean isDirect) { 1806 ALOGV("%s:", __FUNCTION__); 1807 ALOGV("%s: nativeWriteImage called with: width=%d, height=%d, " 1808 "rowStride=%d, pixStride=%d, offset=%" PRId64, __FUNCTION__, width, 1809 height, rowStride, pixStride, offset); 1810 uint32_t rStride = static_cast<uint32_t>(rowStride); 1811 uint32_t pStride = static_cast<uint32_t>(pixStride); 1812 uint32_t uWidth = static_cast<uint32_t>(width); 1813 uint32_t uHeight = static_cast<uint32_t>(height); 1814 uint64_t uOffset = static_cast<uint64_t>(offset); 1815 1816 sp<JniOutputStream> out = new JniOutputStream(env, outStream); 1817 if(env->ExceptionCheck()) { 1818 ALOGE("%s: Could not allocate buffers for output stream", __FUNCTION__); 1819 return; 1820 } 1821 1822 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1823 NativeContext* context = DngCreator_getNativeContext(env, thiz); 1824 if (writer == NULL || context == NULL) { 1825 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1826 jniThrowException(env, "java/lang/AssertionError", 1827 "Write called with uninitialized DngCreator"); 1828 return; 1829 } 1830 1831 // Validate DNG header 1832 if (!validateDngHeader(env, writer, width, height)) { 1833 return; 1834 } 1835 1836 sp<JniInputByteBuffer> inBuf; 1837 Vector<StripSource*> sources; 1838 sp<DirectStripSource> thumbnailSource; 1839 uint32_t targetIfd = TIFF_IFD_0; 1840 1841 bool hasThumbnail = writer->hasIfd(TIFF_IFD_SUB1); 1842 1843 if (hasThumbnail) { 1844 ALOGV("%s: Adding thumbnail strip sources.", __FUNCTION__); 1845 uint32_t bytesPerPixel = SAMPLES_PER_RGB_PIXEL * BYTES_PER_RGB_SAMPLE; 1846 uint32_t thumbWidth = context->getThumbnailWidth(); 1847 thumbnailSource = new DirectStripSource(env, context->getThumbnail(), TIFF_IFD_0, 1848 thumbWidth, context->getThumbnailHeight(), bytesPerPixel, 1849 bytesPerPixel * thumbWidth, /*offset*/0, BYTES_PER_RGB_SAMPLE, 1850 SAMPLES_PER_RGB_PIXEL); 1851 sources.add(thumbnailSource.get()); 1852 targetIfd = TIFF_IFD_SUB1; 1853 } 1854 1855 if (isDirect) { 1856 size_t fullSize = rStride * uHeight; 1857 jlong capacity = env->GetDirectBufferCapacity(inBuffer); 1858 if (capacity < 0 || fullSize + uOffset > static_cast<uint64_t>(capacity)) { 1859 jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 1860 "Invalid size %d for Image, size given in metadata is %d at current stride", 1861 capacity, fullSize); 1862 return; 1863 } 1864 1865 uint8_t* pixelBytes = reinterpret_cast<uint8_t*>(env->GetDirectBufferAddress(inBuffer)); 1866 if (pixelBytes == NULL) { 1867 ALOGE("%s: Could not get native ByteBuffer", __FUNCTION__); 1868 jniThrowException(env, "java/lang/IllegalArgumentException", "Invalid ByteBuffer"); 1869 return; 1870 } 1871 1872 ALOGV("%s: Using direct-type strip source.", __FUNCTION__); 1873 DirectStripSource stripSource(env, pixelBytes, targetIfd, uWidth, uHeight, pStride, 1874 rStride, uOffset, BYTES_PER_SAMPLE, SAMPLES_PER_RAW_PIXEL); 1875 sources.add(&stripSource); 1876 1877 status_t ret = OK; 1878 if ((ret = writer->write(out.get(), sources.editArray(), sources.size())) != OK) { 1879 ALOGE("%s: write failed with error %d.", __FUNCTION__, ret); 1880 if (!env->ExceptionCheck()) { 1881 jniThrowExceptionFmt(env, "java/io/IOException", 1882 "Encountered error %d while writing file.", ret); 1883 } 1884 return; 1885 } 1886 } else { 1887 inBuf = new JniInputByteBuffer(env, inBuffer); 1888 1889 ALOGV("%s: Using input-type strip source.", __FUNCTION__); 1890 InputStripSource stripSource(env, *inBuf, targetIfd, uWidth, uHeight, pStride, 1891 rStride, uOffset, BYTES_PER_SAMPLE, SAMPLES_PER_RAW_PIXEL); 1892 sources.add(&stripSource); 1893 1894 status_t ret = OK; 1895 if ((ret = writer->write(out.get(), sources.editArray(), sources.size())) != OK) { 1896 ALOGE("%s: write failed with error %d.", __FUNCTION__, ret); 1897 if (!env->ExceptionCheck()) { 1898 jniThrowExceptionFmt(env, "java/io/IOException", 1899 "Encountered error %d while writing file.", ret); 1900 } 1901 return; 1902 } 1903 } 1904} 1905 1906static void DngCreator_nativeWriteInputStream(JNIEnv* env, jobject thiz, jobject outStream, 1907 jobject inStream, jint width, jint height, jlong offset) { 1908 ALOGV("%s:", __FUNCTION__); 1909 1910 uint32_t rowStride = width * BYTES_PER_SAMPLE; 1911 uint32_t pixStride = BYTES_PER_SAMPLE; 1912 uint32_t uWidth = static_cast<uint32_t>(width); 1913 uint32_t uHeight = static_cast<uint32_t>(height); 1914 uint64_t uOffset = static_cast<uint32_t>(offset); 1915 1916 ALOGV("%s: nativeWriteInputStream called with: width=%d, height=%d, " 1917 "rowStride=%d, pixStride=%d, offset=%" PRId64, __FUNCTION__, width, 1918 height, rowStride, pixStride, offset); 1919 1920 sp<JniOutputStream> out = new JniOutputStream(env, outStream); 1921 if (env->ExceptionCheck()) { 1922 ALOGE("%s: Could not allocate buffers for output stream", __FUNCTION__); 1923 return; 1924 } 1925 1926 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1927 NativeContext* context = DngCreator_getNativeContext(env, thiz); 1928 if (writer == NULL || context == NULL) { 1929 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1930 jniThrowException(env, "java/lang/AssertionError", 1931 "Write called with uninitialized DngCreator"); 1932 return; 1933 } 1934 1935 // Validate DNG header 1936 if (!validateDngHeader(env, writer, width, height)) { 1937 return; 1938 } 1939 1940 sp<DirectStripSource> thumbnailSource; 1941 uint32_t targetIfd = TIFF_IFD_0; 1942 bool hasThumbnail = writer->hasIfd(TIFF_IFD_SUB1); 1943 Vector<StripSource*> sources; 1944 1945 if (hasThumbnail) { 1946 ALOGV("%s: Adding thumbnail strip sources.", __FUNCTION__); 1947 uint32_t bytesPerPixel = SAMPLES_PER_RGB_PIXEL * BYTES_PER_RGB_SAMPLE; 1948 uint32_t width = context->getThumbnailWidth(); 1949 thumbnailSource = new DirectStripSource(env, context->getThumbnail(), TIFF_IFD_0, 1950 width, context->getThumbnailHeight(), bytesPerPixel, 1951 bytesPerPixel * width, /*offset*/0, BYTES_PER_RGB_SAMPLE, 1952 SAMPLES_PER_RGB_PIXEL); 1953 sources.add(thumbnailSource.get()); 1954 targetIfd = TIFF_IFD_SUB1; 1955 } 1956 1957 sp<JniInputStream> in = new JniInputStream(env, inStream); 1958 1959 ALOGV("%s: Using input-type strip source.", __FUNCTION__); 1960 InputStripSource stripSource(env, *in, targetIfd, uWidth, uHeight, pixStride, 1961 rowStride, uOffset, BYTES_PER_SAMPLE, SAMPLES_PER_RAW_PIXEL); 1962 sources.add(&stripSource); 1963 1964 status_t ret = OK; 1965 if ((ret = writer->write(out.get(), sources.editArray(), sources.size())) != OK) { 1966 ALOGE("%s: write failed with error %d.", __FUNCTION__, ret); 1967 if (!env->ExceptionCheck()) { 1968 jniThrowExceptionFmt(env, "java/io/IOException", 1969 "Encountered error %d while writing file.", ret); 1970 } 1971 return; 1972 } 1973} 1974 1975} /*extern "C" */ 1976 1977static JNINativeMethod gDngCreatorMethods[] = { 1978 {"nativeClassInit", "()V", (void*) DngCreator_nativeClassInit}, 1979 {"nativeInit", "(Landroid/hardware/camera2/impl/CameraMetadataNative;" 1980 "Landroid/hardware/camera2/impl/CameraMetadataNative;Ljava/lang/String;)V", 1981 (void*) DngCreator_init}, 1982 {"nativeDestroy", "()V", (void*) DngCreator_destroy}, 1983 {"nativeSetOrientation", "(I)V", (void*) DngCreator_nativeSetOrientation}, 1984 {"nativeSetDescription", "(Ljava/lang/String;)V", (void*) DngCreator_nativeSetDescription}, 1985 {"nativeSetGpsTags", "([ILjava/lang/String;[ILjava/lang/String;Ljava/lang/String;[I)V", 1986 (void*) DngCreator_nativeSetGpsTags}, 1987 {"nativeSetThumbnail","(Ljava/nio/ByteBuffer;II)V", (void*) DngCreator_nativeSetThumbnail}, 1988 {"nativeWriteImage", "(Ljava/io/OutputStream;IILjava/nio/ByteBuffer;IIJZ)V", 1989 (void*) DngCreator_nativeWriteImage}, 1990 {"nativeWriteInputStream", "(Ljava/io/OutputStream;Ljava/io/InputStream;IIJ)V", 1991 (void*) DngCreator_nativeWriteInputStream}, 1992}; 1993 1994int register_android_hardware_camera2_DngCreator(JNIEnv *env) { 1995 return RegisterMethodsOrDie(env, 1996 "android/hardware/camera2/DngCreator", gDngCreatorMethods, NELEM(gDngCreatorMethods)); 1997} 1998