android_hardware_camera2_DngCreator.cpp revision 9592b0136aadd8d2dbe140f743f4230b5a6542ae
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 20#include <system/camera_metadata.h> 21#include <camera/CameraMetadata.h> 22#include <img_utils/DngUtils.h> 23#include <img_utils/TagDefinitions.h> 24#include <img_utils/TiffIfd.h> 25#include <img_utils/TiffWriter.h> 26#include <img_utils/Output.h> 27#include <img_utils/Input.h> 28#include <img_utils/StripSource.h> 29 30#include <utils/Log.h> 31#include <utils/Errors.h> 32#include <utils/StrongPointer.h> 33#include <utils/RefBase.h> 34#include <utils/Vector.h> 35#include <cutils/properties.h> 36 37#include <string.h> 38 39#include "android_runtime/AndroidRuntime.h" 40#include "android_runtime/android_hardware_camera2_CameraMetadata.h" 41 42#include <jni.h> 43#include <JNIHelp.h> 44 45using namespace android; 46using namespace img_utils; 47 48#define BAIL_IF_INVALID(expr, jnienv, tagId, writer) \ 49 if ((expr) != OK) { \ 50 jniThrowExceptionFmt(jnienv, "java/lang/IllegalArgumentException", \ 51 "Invalid metadata for tag %s (%x)", (writer)->getTagName(tagId), (tagId)); \ 52 return; \ 53 } 54 55#define BAIL_IF_EMPTY(entry, jnienv, tagId, writer) \ 56 if (entry.count == 0) { \ 57 jniThrowExceptionFmt(jnienv, "java/lang/IllegalArgumentException", \ 58 "Missing metadata fields for tag %s (%x)", (writer)->getTagName(tagId), (tagId)); \ 59 return; \ 60 } 61 62#define ANDROID_DNGCREATOR_CTX_JNI_ID "mNativeContext" 63 64static struct { 65 jfieldID mNativeContext; 66} gDngCreatorClassInfo; 67 68static struct { 69 jmethodID mWriteMethod; 70} gOutputStreamClassInfo; 71 72static struct { 73 jmethodID mReadMethod; 74 jmethodID mSkipMethod; 75} gInputStreamClassInfo; 76 77static struct { 78 jmethodID mGetMethod; 79} gInputByteBufferClassInfo; 80 81enum { 82 BITS_PER_SAMPLE = 16, 83 BYTES_PER_SAMPLE = 2, 84 BYTES_PER_RGB_PIXEL = 3, 85 BITS_PER_RGB_SAMPLE = 8, 86 BYTES_PER_RGB_SAMPLE = 1, 87 SAMPLES_PER_RGB_PIXEL = 3, 88 SAMPLES_PER_RAW_PIXEL = 1, 89 TIFF_IFD_0 = 0, 90 TIFF_IFD_SUB1 = 1, 91 TIFF_IFD_GPSINFO = 2, 92}; 93 94// ---------------------------------------------------------------------------- 95 96/** 97 * Container class for the persistent native context. 98 */ 99 100class NativeContext : public LightRefBase<NativeContext> { 101 102public: 103 NativeContext(); 104 virtual ~NativeContext(); 105 106 TiffWriter* getWriter(); 107 108 uint32_t getThumbnailWidth(); 109 uint32_t getThumbnailHeight(); 110 const uint8_t* getThumbnail(); 111 112 bool setThumbnail(const uint8_t* buffer, uint32_t width, uint32_t height); 113 114private: 115 Vector<uint8_t> mCurrentThumbnail; 116 TiffWriter mWriter; 117 uint32_t mThumbnailWidth; 118 uint32_t mThumbnailHeight; 119}; 120 121NativeContext::NativeContext() : mThumbnailWidth(0), mThumbnailHeight(0) {} 122 123NativeContext::~NativeContext() {} 124 125TiffWriter* NativeContext::getWriter() { 126 return &mWriter; 127} 128 129uint32_t NativeContext::getThumbnailWidth() { 130 return mThumbnailWidth; 131} 132 133uint32_t NativeContext::getThumbnailHeight() { 134 return mThumbnailHeight; 135} 136 137const uint8_t* NativeContext::getThumbnail() { 138 return mCurrentThumbnail.array(); 139} 140 141bool NativeContext::setThumbnail(const uint8_t* buffer, uint32_t width, uint32_t height) { 142 mThumbnailWidth = width; 143 mThumbnailHeight = height; 144 145 size_t size = BYTES_PER_RGB_PIXEL * width * height; 146 if (mCurrentThumbnail.resize(size) < 0) { 147 ALOGE("%s: Could not resize thumbnail buffer.", __FUNCTION__); 148 return false; 149 } 150 151 uint8_t* thumb = mCurrentThumbnail.editArray(); 152 memcpy(thumb, buffer, size); 153 return true; 154} 155 156// End of NativeContext 157// ---------------------------------------------------------------------------- 158 159/** 160 * Wrapper class for a Java OutputStream. 161 * 162 * This class is not intended to be used across JNI calls. 163 */ 164class JniOutputStream : public Output, public LightRefBase<JniOutputStream> { 165public: 166 JniOutputStream(JNIEnv* env, jobject outStream); 167 168 virtual ~JniOutputStream(); 169 170 status_t open(); 171 172 status_t write(const uint8_t* buf, size_t offset, size_t count); 173 174 status_t close(); 175private: 176 enum { 177 BYTE_ARRAY_LENGTH = 4096 178 }; 179 jobject mOutputStream; 180 JNIEnv* mEnv; 181 jbyteArray mByteArray; 182}; 183 184JniOutputStream::JniOutputStream(JNIEnv* env, jobject outStream) : mOutputStream(outStream), 185 mEnv(env) { 186 mByteArray = env->NewByteArray(BYTE_ARRAY_LENGTH); 187 if (mByteArray == NULL) { 188 jniThrowException(env, "java/lang/OutOfMemoryError", "Could not allocate byte array."); 189 } 190} 191 192JniOutputStream::~JniOutputStream() { 193 mEnv->DeleteLocalRef(mByteArray); 194} 195 196status_t JniOutputStream::open() { 197 // Do nothing 198 return OK; 199} 200 201status_t JniOutputStream::write(const uint8_t* buf, size_t offset, size_t count) { 202 while(count > 0) { 203 size_t len = BYTE_ARRAY_LENGTH; 204 len = (count > len) ? len : count; 205 mEnv->SetByteArrayRegion(mByteArray, 0, len, reinterpret_cast<const jbyte*>(buf + offset)); 206 207 if (mEnv->ExceptionCheck()) { 208 return BAD_VALUE; 209 } 210 211 mEnv->CallVoidMethod(mOutputStream, gOutputStreamClassInfo.mWriteMethod, mByteArray, 212 0, len); 213 214 if (mEnv->ExceptionCheck()) { 215 return BAD_VALUE; 216 } 217 218 count -= len; 219 offset += len; 220 } 221 return OK; 222} 223 224status_t JniOutputStream::close() { 225 // Do nothing 226 return OK; 227} 228 229// End of JniOutputStream 230// ---------------------------------------------------------------------------- 231 232/** 233 * Wrapper class for a Java InputStream. 234 * 235 * This class is not intended to be used across JNI calls. 236 */ 237class JniInputStream : public Input, public LightRefBase<JniInputStream> { 238public: 239 JniInputStream(JNIEnv* env, jobject inStream); 240 241 status_t open(); 242 243 status_t close(); 244 245 ssize_t read(uint8_t* buf, size_t offset, size_t count); 246 247 ssize_t skip(size_t count); 248 249 virtual ~JniInputStream(); 250private: 251 enum { 252 BYTE_ARRAY_LENGTH = 4096 253 }; 254 jobject mInStream; 255 JNIEnv* mEnv; 256 jbyteArray mByteArray; 257 258}; 259 260JniInputStream::JniInputStream(JNIEnv* env, jobject inStream) : mInStream(inStream), mEnv(env) { 261 mByteArray = env->NewByteArray(BYTE_ARRAY_LENGTH); 262 if (mByteArray == NULL) { 263 jniThrowException(env, "java/lang/OutOfMemoryError", "Could not allocate byte array."); 264 } 265} 266 267JniInputStream::~JniInputStream() { 268 mEnv->DeleteLocalRef(mByteArray); 269} 270 271ssize_t JniInputStream::read(uint8_t* buf, size_t offset, size_t count) { 272 273 jint realCount = BYTE_ARRAY_LENGTH; 274 if (count < BYTE_ARRAY_LENGTH) { 275 realCount = count; 276 } 277 jint actual = mEnv->CallIntMethod(mInStream, gInputStreamClassInfo.mReadMethod, mByteArray, 0, 278 realCount); 279 280 if (actual < 0) { 281 return NOT_ENOUGH_DATA; 282 } 283 284 if (mEnv->ExceptionCheck()) { 285 return BAD_VALUE; 286 } 287 288 mEnv->GetByteArrayRegion(mByteArray, 0, actual, reinterpret_cast<jbyte*>(buf + offset)); 289 if (mEnv->ExceptionCheck()) { 290 return BAD_VALUE; 291 } 292 return actual; 293} 294 295ssize_t JniInputStream::skip(size_t count) { 296 jlong actual = mEnv->CallLongMethod(mInStream, gInputStreamClassInfo.mSkipMethod, 297 static_cast<jlong>(count)); 298 299 if (mEnv->ExceptionCheck()) { 300 return BAD_VALUE; 301 } 302 if (actual < 0) { 303 return NOT_ENOUGH_DATA; 304 } 305 return actual; 306} 307 308status_t JniInputStream::open() { 309 // Do nothing 310 return OK; 311} 312 313status_t JniInputStream::close() { 314 // Do nothing 315 return OK; 316} 317 318// End of JniInputStream 319// ---------------------------------------------------------------------------- 320 321/** 322 * Wrapper class for a non-direct Java ByteBuffer. 323 * 324 * This class is not intended to be used across JNI calls. 325 */ 326class JniInputByteBuffer : public Input, public LightRefBase<JniInputByteBuffer> { 327public: 328 JniInputByteBuffer(JNIEnv* env, jobject inBuf); 329 330 status_t open(); 331 332 status_t close(); 333 334 ssize_t read(uint8_t* buf, size_t offset, size_t count); 335 336 virtual ~JniInputByteBuffer(); 337private: 338 enum { 339 BYTE_ARRAY_LENGTH = 4096 340 }; 341 jobject mInBuf; 342 JNIEnv* mEnv; 343 jbyteArray mByteArray; 344}; 345 346JniInputByteBuffer::JniInputByteBuffer(JNIEnv* env, jobject inBuf) : mInBuf(inBuf), mEnv(env) { 347 mByteArray = env->NewByteArray(BYTE_ARRAY_LENGTH); 348 if (mByteArray == NULL) { 349 jniThrowException(env, "java/lang/OutOfMemoryError", "Could not allocate byte array."); 350 } 351} 352 353JniInputByteBuffer::~JniInputByteBuffer() { 354 mEnv->DeleteLocalRef(mByteArray); 355} 356 357ssize_t JniInputByteBuffer::read(uint8_t* buf, size_t offset, size_t count) { 358 jint realCount = BYTE_ARRAY_LENGTH; 359 if (count < BYTE_ARRAY_LENGTH) { 360 realCount = count; 361 } 362 363 mEnv->CallObjectMethod(mInBuf, gInputByteBufferClassInfo.mGetMethod, mByteArray, 0, 364 realCount); 365 366 if (mEnv->ExceptionCheck()) { 367 return BAD_VALUE; 368 } 369 370 mEnv->GetByteArrayRegion(mByteArray, 0, realCount, reinterpret_cast<jbyte*>(buf + offset)); 371 if (mEnv->ExceptionCheck()) { 372 return BAD_VALUE; 373 } 374 return realCount; 375} 376 377status_t JniInputByteBuffer::open() { 378 // Do nothing 379 return OK; 380} 381 382status_t JniInputByteBuffer::close() { 383 // Do nothing 384 return OK; 385} 386 387// End of JniInputByteBuffer 388// ---------------------------------------------------------------------------- 389 390/** 391 * StripSource subclass for Input types. 392 * 393 * This class is not intended to be used across JNI calls. 394 */ 395 396class InputStripSource : public StripSource, public LightRefBase<InputStripSource> { 397public: 398 InputStripSource(JNIEnv* env, Input& input, uint32_t ifd, uint32_t width, uint32_t height, 399 uint32_t pixStride, uint32_t rowStride, uint64_t offset, uint32_t bytesPerSample, 400 uint32_t samplesPerPixel); 401 402 virtual ~InputStripSource(); 403 404 virtual status_t writeToStream(Output& stream, uint32_t count); 405 406 virtual uint32_t getIfd() const; 407protected: 408 uint32_t mIfd; 409 Input* mInput; 410 uint32_t mWidth; 411 uint32_t mHeight; 412 uint32_t mPixStride; 413 uint32_t mRowStride; 414 uint64_t mOffset; 415 JNIEnv* mEnv; 416 uint32_t mBytesPerSample; 417 uint32_t mSamplesPerPixel; 418}; 419 420InputStripSource::InputStripSource(JNIEnv* env, Input& input, uint32_t ifd, uint32_t width, 421 uint32_t height, uint32_t pixStride, uint32_t rowStride, uint64_t offset, 422 uint32_t bytesPerSample, uint32_t samplesPerPixel) : mIfd(ifd), mInput(&input), 423 mWidth(width), mHeight(height), mPixStride(pixStride), mRowStride(rowStride), 424 mOffset(offset), mEnv(env), mBytesPerSample(bytesPerSample), 425 mSamplesPerPixel(samplesPerPixel) {} 426 427InputStripSource::~InputStripSource() {} 428 429status_t InputStripSource::writeToStream(Output& stream, uint32_t count) { 430 status_t err = OK; 431 uint32_t fullSize = mWidth * mHeight * mBytesPerSample * mSamplesPerPixel; 432 jlong offset = mOffset; 433 434 if (fullSize != count) { 435 ALOGE("%s: Amount to write %u doesn't match image size %u", __FUNCTION__, count, 436 fullSize); 437 jniThrowException(mEnv, "java/lang/IllegalStateException", "Not enough data to write"); 438 return BAD_VALUE; 439 } 440 441 // Skip offset 442 while (offset > 0) { 443 ssize_t skipped = mInput->skip(offset); 444 if (skipped <= 0) { 445 if (skipped == NOT_ENOUGH_DATA || skipped == 0) { 446 jniThrowExceptionFmt(mEnv, "java/io/IOException", 447 "Early EOF encountered in skip, not enough pixel data for image of size %u", 448 fullSize); 449 skipped = NOT_ENOUGH_DATA; 450 } else { 451 if (!mEnv->ExceptionCheck()) { 452 jniThrowException(mEnv, "java/io/IOException", 453 "Error encountered while skip bytes in input stream."); 454 } 455 } 456 457 return skipped; 458 } 459 offset -= skipped; 460 } 461 462 Vector<uint8_t> row; 463 if (row.resize(mRowStride) < 0) { 464 jniThrowException(mEnv, "java/lang/OutOfMemoryError", "Could not allocate row vector."); 465 return BAD_VALUE; 466 } 467 468 uint8_t* rowBytes = row.editArray(); 469 470 for (uint32_t i = 0; i < mHeight; ++i) { 471 size_t rowFillAmt = 0; 472 size_t rowSize = mPixStride; 473 474 while (rowFillAmt < mRowStride) { 475 ssize_t bytesRead = mInput->read(rowBytes, rowFillAmt, rowSize); 476 if (bytesRead <= 0) { 477 if (bytesRead == NOT_ENOUGH_DATA || bytesRead == 0) { 478 jniThrowExceptionFmt(mEnv, "java/io/IOException", 479 "Early EOF encountered, not enough pixel data for image of size %u", 480 fullSize); 481 bytesRead = NOT_ENOUGH_DATA; 482 } else { 483 if (!mEnv->ExceptionCheck()) { 484 jniThrowException(mEnv, "java/io/IOException", 485 "Error encountered while reading"); 486 } 487 } 488 return bytesRead; 489 } 490 rowFillAmt += bytesRead; 491 rowSize -= bytesRead; 492 } 493 494 if (mPixStride == mBytesPerSample * mSamplesPerPixel) { 495 ALOGV("%s: Using stream per-row write for strip.", __FUNCTION__); 496 497 if (stream.write(rowBytes, 0, mBytesPerSample * mSamplesPerPixel * mWidth) != OK || 498 mEnv->ExceptionCheck()) { 499 if (!mEnv->ExceptionCheck()) { 500 jniThrowException(mEnv, "java/io/IOException", "Failed to write pixel data"); 501 } 502 return BAD_VALUE; 503 } 504 } else { 505 ALOGV("%s: Using stream per-pixel write for strip.", __FUNCTION__); 506 jniThrowException(mEnv, "java/lang/IllegalStateException", 507 "Per-pixel strides are not supported for RAW16 -- pixels must be contiguous"); 508 return BAD_VALUE; 509 510 // TODO: Add support for non-contiguous pixels if needed. 511 } 512 } 513 return OK; 514} 515 516uint32_t InputStripSource::getIfd() const { 517 return mIfd; 518} 519 520// End of InputStripSource 521// ---------------------------------------------------------------------------- 522 523/** 524 * StripSource subclass for direct buffer types. 525 * 526 * This class is not intended to be used across JNI calls. 527 */ 528 529class DirectStripSource : public StripSource, public LightRefBase<DirectStripSource> { 530public: 531 DirectStripSource(JNIEnv* env, const uint8_t* pixelBytes, uint32_t ifd, uint32_t width, 532 uint32_t height, uint32_t pixStride, uint32_t rowStride, uint64_t offset, 533 uint32_t bytesPerSample, uint32_t samplesPerPixel); 534 535 virtual ~DirectStripSource(); 536 537 virtual status_t writeToStream(Output& stream, uint32_t count); 538 539 virtual uint32_t getIfd() const; 540protected: 541 uint32_t mIfd; 542 const uint8_t* mPixelBytes; 543 uint32_t mWidth; 544 uint32_t mHeight; 545 uint32_t mPixStride; 546 uint32_t mRowStride; 547 uint16_t mOffset; 548 JNIEnv* mEnv; 549 uint32_t mBytesPerSample; 550 uint32_t mSamplesPerPixel; 551}; 552 553DirectStripSource::DirectStripSource(JNIEnv* env, const uint8_t* pixelBytes, uint32_t ifd, 554 uint32_t width, uint32_t height, uint32_t pixStride, uint32_t rowStride, 555 uint64_t offset, uint32_t bytesPerSample, uint32_t samplesPerPixel) : mIfd(ifd), 556 mPixelBytes(pixelBytes), mWidth(width), mHeight(height), mPixStride(pixStride), 557 mRowStride(rowStride), mOffset(offset), mEnv(env), mBytesPerSample(bytesPerSample), 558 mSamplesPerPixel(samplesPerPixel) {} 559 560DirectStripSource::~DirectStripSource() {} 561 562status_t DirectStripSource::writeToStream(Output& stream, uint32_t count) { 563 uint32_t fullSize = mWidth * mHeight * mBytesPerSample * mSamplesPerPixel; 564 565 if (fullSize != count) { 566 ALOGE("%s: Amount to write %u doesn't match image size %u", __FUNCTION__, count, 567 fullSize); 568 jniThrowException(mEnv, "java/lang/IllegalStateException", "Not enough data to write"); 569 return BAD_VALUE; 570 } 571 572 if (mPixStride == mBytesPerSample * mSamplesPerPixel 573 && mRowStride == mWidth * mBytesPerSample * mSamplesPerPixel) { 574 ALOGV("%s: Using direct single-pass write for strip.", __FUNCTION__); 575 576 if (stream.write(mPixelBytes, mOffset, fullSize) != OK || mEnv->ExceptionCheck()) { 577 if (!mEnv->ExceptionCheck()) { 578 jniThrowException(mEnv, "java/io/IOException", "Failed to write pixel data"); 579 } 580 return BAD_VALUE; 581 } 582 } else if (mPixStride == mBytesPerSample * mSamplesPerPixel) { 583 ALOGV("%s: Using direct per-row write for strip.", __FUNCTION__); 584 585 for (size_t i = 0; i < mHeight; ++i) { 586 if (stream.write(mPixelBytes, mOffset + i * mRowStride, mPixStride * mWidth) != OK || 587 mEnv->ExceptionCheck()) { 588 if (!mEnv->ExceptionCheck()) { 589 jniThrowException(mEnv, "java/io/IOException", "Failed to write pixel data"); 590 } 591 return BAD_VALUE; 592 } 593 } 594 } else { 595 ALOGV("%s: Using direct per-pixel write for strip.", __FUNCTION__); 596 597 jniThrowException(mEnv, "java/lang/IllegalStateException", 598 "Per-pixel strides are not supported for RAW16 -- pixels must be contiguous"); 599 return BAD_VALUE; 600 601 // TODO: Add support for non-contiguous pixels if needed. 602 } 603 return OK; 604 605} 606 607uint32_t DirectStripSource::getIfd() const { 608 return mIfd; 609} 610 611// End of DirectStripSource 612// ---------------------------------------------------------------------------- 613 614static bool validateDngHeader(JNIEnv* env, TiffWriter* writer, jint width, jint height) { 615 bool hasThumbnail = writer->hasIfd(TIFF_IFD_SUB1); 616 617 // TODO: handle lens shading map, etc. conversions for other raw buffer sizes. 618 uint32_t metadataWidth = *(writer->getEntry(TAG_IMAGEWIDTH, (hasThumbnail) ? TIFF_IFD_SUB1 : TIFF_IFD_0)->getData<uint32_t>()); 619 uint32_t metadataHeight = *(writer->getEntry(TAG_IMAGELENGTH, (hasThumbnail) ? TIFF_IFD_SUB1 : TIFF_IFD_0)->getData<uint32_t>()); 620 621 if (width < 0 || metadataWidth != static_cast<uint32_t>(width)) { 622 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", \ 623 "Metadata width %d doesn't match image width %d", metadataWidth, width); 624 return false; 625 } 626 627 if (height < 0 || metadataHeight != static_cast<uint32_t>(height)) { 628 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", \ 629 "Metadata height %d doesn't match image height %d", metadataHeight, height); 630 return false; 631 } 632 633 return true; 634} 635 636static status_t moveEntries(TiffWriter* writer, uint32_t ifdFrom, uint32_t ifdTo, 637 const Vector<uint16_t>& entries) { 638 for (size_t i = 0; i < entries.size(); ++i) { 639 uint16_t tagId = entries[i]; 640 sp<TiffEntry> entry = writer->getEntry(tagId, ifdFrom); 641 if (entry == NULL) { 642 ALOGE("%s: moveEntries failed, entry %u not found in IFD %u", __FUNCTION__, tagId, 643 ifdFrom); 644 return BAD_VALUE; 645 } 646 if (writer->addEntry(entry, ifdTo) != OK) { 647 ALOGE("%s: moveEntries failed, could not add entry %u to IFD %u", __FUNCTION__, tagId, 648 ifdFrom); 649 return BAD_VALUE; 650 } 651 writer->removeEntry(tagId, ifdFrom); 652 } 653 return OK; 654} 655 656/** 657 * Write CFA pattern for given CFA enum into cfaOut. cfaOut must have length >= 4. 658 * Returns OK on success, or a negative error code if the CFA enum was invalid. 659 */ 660static status_t convertCFA(uint8_t cfaEnum, /*out*/uint8_t* cfaOut) { 661 camera_metadata_enum_android_sensor_info_color_filter_arrangement_t cfa = 662 static_cast<camera_metadata_enum_android_sensor_info_color_filter_arrangement_t>( 663 cfaEnum); 664 switch(cfa) { 665 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB: { 666 cfaOut[0] = 0; 667 cfaOut[1] = 1; 668 cfaOut[2] = 1; 669 cfaOut[3] = 2; 670 break; 671 } 672 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG: { 673 cfaOut[0] = 1; 674 cfaOut[1] = 0; 675 cfaOut[2] = 2; 676 cfaOut[3] = 1; 677 break; 678 } 679 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG: { 680 cfaOut[0] = 1; 681 cfaOut[1] = 2; 682 cfaOut[2] = 0; 683 cfaOut[3] = 1; 684 break; 685 } 686 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR: { 687 cfaOut[0] = 2; 688 cfaOut[1] = 1; 689 cfaOut[2] = 1; 690 cfaOut[3] = 0; 691 break; 692 } 693 default: { 694 return BAD_VALUE; 695 } 696 } 697 return OK; 698} 699 700/** 701 * Convert the CFA layout enum to an OpcodeListBuilder::CfaLayout enum, defaults to 702 * RGGB for an unknown enum. 703 */ 704static OpcodeListBuilder::CfaLayout convertCFAEnumToOpcodeLayout(uint8_t cfaEnum) { 705 camera_metadata_enum_android_sensor_info_color_filter_arrangement_t cfa = 706 static_cast<camera_metadata_enum_android_sensor_info_color_filter_arrangement_t>( 707 cfaEnum); 708 switch(cfa) { 709 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB: { 710 return OpcodeListBuilder::CFA_RGGB; 711 } 712 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG: { 713 return OpcodeListBuilder::CFA_GRBG; 714 } 715 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG: { 716 return OpcodeListBuilder::CFA_GBRG; 717 } 718 case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR: { 719 return OpcodeListBuilder::CFA_BGGR; 720 } 721 default: { 722 return OpcodeListBuilder::CFA_RGGB; 723 } 724 } 725} 726 727/** 728 * For each color plane, find the corresponding noise profile coefficients given in the 729 * per-channel noise profile. If multiple channels in the CFA correspond to a color in the color 730 * plane, this method takes the pair of noise profile coefficients with the higher S coefficient. 731 * 732 * perChannelNoiseProfile - numChannels * 2 noise profile coefficients. 733 * cfa - numChannels color channels corresponding to each of the per-channel noise profile 734 * coefficients. 735 * numChannels - the number of noise profile coefficient pairs and color channels given in 736 * the perChannelNoiseProfile and cfa arguments, respectively. 737 * planeColors - the color planes in the noise profile output. 738 * numPlanes - the number of planes in planeColors and pairs of coefficients in noiseProfile. 739 * noiseProfile - 2 * numPlanes doubles containing numPlanes pairs of noise profile coefficients. 740 * 741 * returns OK, or a negative error code on failure. 742 */ 743static status_t generateNoiseProfile(const double* perChannelNoiseProfile, uint8_t* cfa, 744 size_t numChannels, const uint8_t* planeColors, size_t numPlanes, 745 /*out*/double* noiseProfile) { 746 747 for (size_t p = 0; p < numPlanes; ++p) { 748 size_t S = p * 2; 749 size_t O = p * 2 + 1; 750 751 noiseProfile[S] = 0; 752 noiseProfile[O] = 0; 753 bool uninitialized = true; 754 for (size_t c = 0; c < numChannels; ++c) { 755 if (cfa[c] == planeColors[p] && perChannelNoiseProfile[c * 2] > noiseProfile[S]) { 756 noiseProfile[S] = perChannelNoiseProfile[c * 2]; 757 noiseProfile[O] = perChannelNoiseProfile[c * 2 + 1]; 758 uninitialized = false; 759 } 760 } 761 if (uninitialized) { 762 ALOGE("%s: No valid NoiseProfile coefficients for color plane %u", __FUNCTION__, p); 763 return BAD_VALUE; 764 } 765 } 766 return OK; 767} 768 769// ---------------------------------------------------------------------------- 770extern "C" { 771 772static NativeContext* DngCreator_getNativeContext(JNIEnv* env, jobject thiz) { 773 ALOGV("%s:", __FUNCTION__); 774 return reinterpret_cast<NativeContext*>(env->GetLongField(thiz, 775 gDngCreatorClassInfo.mNativeContext)); 776} 777 778static void DngCreator_setNativeContext(JNIEnv* env, jobject thiz, sp<NativeContext> context) { 779 ALOGV("%s:", __FUNCTION__); 780 NativeContext* current = DngCreator_getNativeContext(env, thiz); 781 782 if (context != NULL) { 783 context->incStrong((void*) DngCreator_setNativeContext); 784 } 785 786 if (current) { 787 current->decStrong((void*) DngCreator_setNativeContext); 788 } 789 790 env->SetLongField(thiz, gDngCreatorClassInfo.mNativeContext, 791 reinterpret_cast<jlong>(context.get())); 792} 793 794static TiffWriter* DngCreator_getCreator(JNIEnv* env, jobject thiz) { 795 ALOGV("%s:", __FUNCTION__); 796 NativeContext* current = DngCreator_getNativeContext(env, thiz); 797 if (current) { 798 return current->getWriter(); 799 } 800 return NULL; 801} 802 803static void DngCreator_nativeClassInit(JNIEnv* env, jclass clazz) { 804 ALOGV("%s:", __FUNCTION__); 805 806 gDngCreatorClassInfo.mNativeContext = env->GetFieldID(clazz, 807 ANDROID_DNGCREATOR_CTX_JNI_ID, "J"); 808 LOG_ALWAYS_FATAL_IF(gDngCreatorClassInfo.mNativeContext == NULL, 809 "can't find android/hardware/camera2/DngCreator.%s", 810 ANDROID_DNGCREATOR_CTX_JNI_ID); 811 812 jclass outputStreamClazz = env->FindClass("java/io/OutputStream"); 813 LOG_ALWAYS_FATAL_IF(outputStreamClazz == NULL, "Can't find java/io/OutputStream class"); 814 gOutputStreamClassInfo.mWriteMethod = env->GetMethodID(outputStreamClazz, "write", "([BII)V"); 815 LOG_ALWAYS_FATAL_IF(gOutputStreamClassInfo.mWriteMethod == NULL, "Can't find write method"); 816 817 jclass inputStreamClazz = env->FindClass("java/io/InputStream"); 818 LOG_ALWAYS_FATAL_IF(inputStreamClazz == NULL, "Can't find java/io/InputStream class"); 819 gInputStreamClassInfo.mReadMethod = env->GetMethodID(inputStreamClazz, "read", "([BII)I"); 820 LOG_ALWAYS_FATAL_IF(gInputStreamClassInfo.mReadMethod == NULL, "Can't find read method"); 821 gInputStreamClassInfo.mSkipMethod = env->GetMethodID(inputStreamClazz, "skip", "(J)J"); 822 LOG_ALWAYS_FATAL_IF(gInputStreamClassInfo.mSkipMethod == NULL, "Can't find skip method"); 823 824 jclass inputBufferClazz = env->FindClass("java/nio/ByteBuffer"); 825 LOG_ALWAYS_FATAL_IF(inputBufferClazz == NULL, "Can't find java/nio/ByteBuffer class"); 826 gInputByteBufferClassInfo.mGetMethod = env->GetMethodID(inputBufferClazz, "get", 827 "([BII)Ljava/nio/ByteBuffer;"); 828 LOG_ALWAYS_FATAL_IF(gInputByteBufferClassInfo.mGetMethod == NULL, "Can't find get method"); 829} 830 831static void DngCreator_init(JNIEnv* env, jobject thiz, jobject characteristicsPtr, 832 jobject resultsPtr, jstring formattedCaptureTime) { 833 ALOGV("%s:", __FUNCTION__); 834 CameraMetadata characteristics; 835 CameraMetadata results; 836 if (CameraMetadata_getNativeMetadata(env, characteristicsPtr, &characteristics) != OK) { 837 jniThrowException(env, "java/lang/AssertionError", 838 "No native metadata defined for camera characteristics."); 839 return; 840 } 841 if (CameraMetadata_getNativeMetadata(env, resultsPtr, &results) != OK) { 842 jniThrowException(env, "java/lang/AssertionError", 843 "No native metadata defined for capture results."); 844 return; 845 } 846 847 sp<NativeContext> nativeContext = new NativeContext(); 848 TiffWriter* writer = nativeContext->getWriter(); 849 850 writer->addIfd(TIFF_IFD_0); 851 852 status_t err = OK; 853 854 const uint32_t samplesPerPixel = 1; 855 const uint32_t bitsPerSample = BITS_PER_SAMPLE; 856 const uint32_t bitsPerByte = BITS_PER_SAMPLE / BYTES_PER_SAMPLE; 857 uint32_t imageWidth = 0; 858 uint32_t imageHeight = 0; 859 860 OpcodeListBuilder::CfaLayout opcodeCfaLayout = OpcodeListBuilder::CFA_RGGB; 861 uint8_t cfaPlaneColor[3] = {0, 1, 2}; 862 uint8_t cfaEnum = -1; 863 864 // TODO: Greensplit. 865 // TODO: Add remaining non-essential tags 866 867 // Setup main image tags 868 869 { 870 // Set orientation 871 uint16_t orientation = 1; // Normal 872 BAIL_IF_INVALID(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_0), env, 873 TAG_ORIENTATION, writer); 874 } 875 876 { 877 // Set subfiletype 878 uint32_t subfileType = 0; // Main image 879 BAIL_IF_INVALID(writer->addEntry(TAG_NEWSUBFILETYPE, 1, &subfileType, TIFF_IFD_0), env, 880 TAG_NEWSUBFILETYPE, writer); 881 } 882 883 { 884 // Set bits per sample 885 uint16_t bits = static_cast<uint16_t>(bitsPerSample); 886 BAIL_IF_INVALID(writer->addEntry(TAG_BITSPERSAMPLE, 1, &bits, TIFF_IFD_0), env, 887 TAG_BITSPERSAMPLE, writer); 888 } 889 890 { 891 // Set compression 892 uint16_t compression = 1; // None 893 BAIL_IF_INVALID(writer->addEntry(TAG_COMPRESSION, 1, &compression, TIFF_IFD_0), env, 894 TAG_COMPRESSION, writer); 895 } 896 897 { 898 // Set dimensions 899 camera_metadata_entry entry = 900 characteristics.find(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE); 901 BAIL_IF_EMPTY(entry, env, TAG_IMAGEWIDTH, writer); 902 uint32_t width = static_cast<uint32_t>(entry.data.i32[2]); 903 uint32_t height = static_cast<uint32_t>(entry.data.i32[3]); 904 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGEWIDTH, 1, &width, TIFF_IFD_0), env, 905 TAG_IMAGEWIDTH, writer); 906 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGELENGTH, 1, &height, TIFF_IFD_0), env, 907 TAG_IMAGELENGTH, writer); 908 imageWidth = width; 909 imageHeight = height; 910 } 911 912 { 913 // Set photometric interpretation 914 uint16_t interpretation = 32803; // CFA 915 BAIL_IF_INVALID(writer->addEntry(TAG_PHOTOMETRICINTERPRETATION, 1, &interpretation, 916 TIFF_IFD_0), env, TAG_PHOTOMETRICINTERPRETATION, writer); 917 } 918 919 { 920 // Set blacklevel tags 921 camera_metadata_entry entry = 922 characteristics.find(ANDROID_SENSOR_BLACK_LEVEL_PATTERN); 923 BAIL_IF_EMPTY(entry, env, TAG_BLACKLEVEL, writer); 924 const uint32_t* blackLevel = reinterpret_cast<const uint32_t*>(entry.data.i32); 925 BAIL_IF_INVALID(writer->addEntry(TAG_BLACKLEVEL, entry.count, blackLevel, TIFF_IFD_0), env, 926 TAG_BLACKLEVEL, writer); 927 928 uint16_t repeatDim[2] = {2, 2}; 929 BAIL_IF_INVALID(writer->addEntry(TAG_BLACKLEVELREPEATDIM, 2, repeatDim, TIFF_IFD_0), env, 930 TAG_BLACKLEVELREPEATDIM, writer); 931 } 932 933 { 934 // Set samples per pixel 935 uint16_t samples = static_cast<uint16_t>(samplesPerPixel); 936 BAIL_IF_INVALID(writer->addEntry(TAG_SAMPLESPERPIXEL, 1, &samples, TIFF_IFD_0), 937 env, TAG_SAMPLESPERPIXEL, writer); 938 } 939 940 { 941 // Set planar configuration 942 uint16_t config = 1; // Chunky 943 BAIL_IF_INVALID(writer->addEntry(TAG_PLANARCONFIGURATION, 1, &config, TIFF_IFD_0), 944 env, TAG_PLANARCONFIGURATION, writer); 945 } 946 947 { 948 // Set CFA pattern dimensions 949 uint16_t repeatDim[2] = {2, 2}; 950 BAIL_IF_INVALID(writer->addEntry(TAG_CFAREPEATPATTERNDIM, 2, repeatDim, TIFF_IFD_0), 951 env, TAG_CFAREPEATPATTERNDIM, writer); 952 } 953 954 { 955 // Set CFA pattern 956 camera_metadata_entry entry = 957 characteristics.find(ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT); 958 BAIL_IF_EMPTY(entry, env, TAG_CFAPATTERN, writer); 959 960 const int cfaLength = 4; 961 cfaEnum = entry.data.u8[0]; 962 uint8_t cfa[cfaLength]; 963 if ((err = convertCFA(cfaEnum, /*out*/cfa)) != OK) { 964 jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 965 "Invalid metadata for tag %d", TAG_CFAPATTERN); 966 } 967 968 BAIL_IF_INVALID(writer->addEntry(TAG_CFAPATTERN, cfaLength, cfa, TIFF_IFD_0), env, 969 TAG_CFAPATTERN, writer); 970 971 opcodeCfaLayout = convertCFAEnumToOpcodeLayout(cfaEnum); 972 } 973 974 { 975 // Set CFA plane color 976 BAIL_IF_INVALID(writer->addEntry(TAG_CFAPLANECOLOR, 3, cfaPlaneColor, TIFF_IFD_0), 977 env, TAG_CFAPLANECOLOR, writer); 978 } 979 980 { 981 // Set CFA layout 982 uint16_t cfaLayout = 1; 983 BAIL_IF_INVALID(writer->addEntry(TAG_CFALAYOUT, 1, &cfaLayout, TIFF_IFD_0), 984 env, TAG_CFALAYOUT, writer); 985 } 986 987 { 988 // image description 989 uint8_t imageDescription = '\0'; // empty 990 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGEDESCRIPTION, 1, &imageDescription, TIFF_IFD_0), 991 env, TAG_IMAGEDESCRIPTION, writer); 992 } 993 994 { 995 // make 996 char manufacturer[PROPERTY_VALUE_MAX]; 997 998 // Use "" to represent unknown make as suggested in TIFF/EP spec. 999 property_get("ro.product.manufacturer", manufacturer, ""); 1000 uint32_t count = static_cast<uint32_t>(strlen(manufacturer)) + 1; 1001 1002 BAIL_IF_INVALID(writer->addEntry(TAG_MAKE, count, reinterpret_cast<uint8_t*>(manufacturer), 1003 TIFF_IFD_0), env, TAG_MAKE, writer); 1004 } 1005 1006 { 1007 // model 1008 char model[PROPERTY_VALUE_MAX]; 1009 1010 // Use "" to represent unknown model as suggested in TIFF/EP spec. 1011 property_get("ro.product.model", model, ""); 1012 uint32_t count = static_cast<uint32_t>(strlen(model)) + 1; 1013 1014 BAIL_IF_INVALID(writer->addEntry(TAG_MODEL, count, reinterpret_cast<uint8_t*>(model), 1015 TIFF_IFD_0), env, TAG_MODEL, writer); 1016 } 1017 1018 { 1019 // x resolution 1020 uint32_t xres[] = { 72, 1 }; // default 72 ppi 1021 BAIL_IF_INVALID(writer->addEntry(TAG_XRESOLUTION, 1, xres, TIFF_IFD_0), 1022 env, TAG_XRESOLUTION, writer); 1023 1024 // y resolution 1025 uint32_t yres[] = { 72, 1 }; // default 72 ppi 1026 BAIL_IF_INVALID(writer->addEntry(TAG_YRESOLUTION, 1, yres, TIFF_IFD_0), 1027 env, TAG_YRESOLUTION, writer); 1028 1029 uint16_t unit = 2; // inches 1030 BAIL_IF_INVALID(writer->addEntry(TAG_RESOLUTIONUNIT, 1, &unit, TIFF_IFD_0), 1031 env, TAG_RESOLUTIONUNIT, writer); 1032 } 1033 1034 { 1035 // software 1036 char software[PROPERTY_VALUE_MAX]; 1037 property_get("ro.build.fingerprint", software, ""); 1038 uint32_t count = static_cast<uint32_t>(strlen(software)) + 1; 1039 BAIL_IF_INVALID(writer->addEntry(TAG_SOFTWARE, count, reinterpret_cast<uint8_t*>(software), 1040 TIFF_IFD_0), env, TAG_SOFTWARE, writer); 1041 } 1042 1043 { 1044 // datetime 1045 const size_t DATETIME_COUNT = 20; 1046 const char* captureTime = env->GetStringUTFChars(formattedCaptureTime, NULL); 1047 1048 size_t len = strlen(captureTime) + 1; 1049 if (len != DATETIME_COUNT) { 1050 jniThrowException(env, "java/lang/IllegalArgumentException", 1051 "Timestamp string length is not required 20 characters"); 1052 return; 1053 } 1054 1055 if (writer->addEntry(TAG_DATETIME, DATETIME_COUNT, 1056 reinterpret_cast<const uint8_t*>(captureTime), TIFF_IFD_0) != OK) { 1057 env->ReleaseStringUTFChars(formattedCaptureTime, captureTime); 1058 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 1059 "Invalid metadata for tag %x", TAG_DATETIME); 1060 return; 1061 } 1062 1063 // datetime original 1064 if (writer->addEntry(TAG_DATETIMEORIGINAL, DATETIME_COUNT, 1065 reinterpret_cast<const uint8_t*>(captureTime), TIFF_IFD_0) != OK) { 1066 env->ReleaseStringUTFChars(formattedCaptureTime, captureTime); 1067 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 1068 "Invalid metadata for tag %x", TAG_DATETIMEORIGINAL); 1069 return; 1070 } 1071 env->ReleaseStringUTFChars(formattedCaptureTime, captureTime); 1072 } 1073 1074 { 1075 // TIFF/EP standard id 1076 uint8_t standardId[] = { 1, 0, 0, 0 }; 1077 BAIL_IF_INVALID(writer->addEntry(TAG_TIFFEPSTANDARDID, 4, standardId, 1078 TIFF_IFD_0), env, TAG_TIFFEPSTANDARDID, writer); 1079 } 1080 1081 { 1082 // copyright 1083 uint8_t copyright = '\0'; // empty 1084 BAIL_IF_INVALID(writer->addEntry(TAG_COPYRIGHT, 1, ©right, 1085 TIFF_IFD_0), env, TAG_COPYRIGHT, writer); 1086 } 1087 1088 { 1089 // exposure time 1090 camera_metadata_entry entry = 1091 results.find(ANDROID_SENSOR_EXPOSURE_TIME); 1092 BAIL_IF_EMPTY(entry, env, TAG_EXPOSURETIME, writer); 1093 1094 int64_t exposureTime = *(entry.data.i64); 1095 1096 if (exposureTime < 0) { 1097 // Should be unreachable 1098 jniThrowException(env, "java/lang/IllegalArgumentException", 1099 "Negative exposure time in metadata"); 1100 return; 1101 } 1102 1103 // Ensure exposure time doesn't overflow (for exposures > 4s) 1104 uint32_t denominator = 1000000000; 1105 while (exposureTime > UINT32_MAX) { 1106 exposureTime >>= 1; 1107 denominator >>= 1; 1108 if (denominator == 0) { 1109 // Should be unreachable 1110 jniThrowException(env, "java/lang/IllegalArgumentException", 1111 "Exposure time too long"); 1112 return; 1113 } 1114 } 1115 1116 uint32_t exposure[] = { static_cast<uint32_t>(exposureTime), denominator }; 1117 BAIL_IF_INVALID(writer->addEntry(TAG_EXPOSURETIME, 1, exposure, 1118 TIFF_IFD_0), env, TAG_EXPOSURETIME, writer); 1119 1120 } 1121 1122 { 1123 // ISO speed ratings 1124 camera_metadata_entry entry = 1125 results.find(ANDROID_SENSOR_SENSITIVITY); 1126 BAIL_IF_EMPTY(entry, env, TAG_ISOSPEEDRATINGS, writer); 1127 1128 int32_t tempIso = *(entry.data.i32); 1129 if (tempIso < 0) { 1130 jniThrowException(env, "java/lang/IllegalArgumentException", 1131 "Negative ISO value"); 1132 return; 1133 } 1134 1135 if (tempIso > UINT16_MAX) { 1136 ALOGW("%s: ISO value overflows UINT16_MAX, clamping to max", __FUNCTION__); 1137 tempIso = UINT16_MAX; 1138 } 1139 1140 uint16_t iso = static_cast<uint16_t>(tempIso); 1141 BAIL_IF_INVALID(writer->addEntry(TAG_ISOSPEEDRATINGS, 1, &iso, 1142 TIFF_IFD_0), env, TAG_ISOSPEEDRATINGS, writer); 1143 } 1144 1145 { 1146 // focal length 1147 camera_metadata_entry entry = 1148 results.find(ANDROID_LENS_FOCAL_LENGTH); 1149 BAIL_IF_EMPTY(entry, env, TAG_FOCALLENGTH, writer); 1150 1151 uint32_t focalLength[] = { static_cast<uint32_t>(*(entry.data.f) * 100), 100 }; 1152 BAIL_IF_INVALID(writer->addEntry(TAG_FOCALLENGTH, 1, focalLength, 1153 TIFF_IFD_0), env, TAG_FOCALLENGTH, writer); 1154 } 1155 1156 { 1157 // f number 1158 camera_metadata_entry entry = 1159 results.find(ANDROID_LENS_APERTURE); 1160 BAIL_IF_EMPTY(entry, env, TAG_FNUMBER, writer); 1161 1162 uint32_t fnum[] = { static_cast<uint32_t>(*(entry.data.f) * 100), 100 }; 1163 BAIL_IF_INVALID(writer->addEntry(TAG_FNUMBER, 1, fnum, 1164 TIFF_IFD_0), env, TAG_FNUMBER, writer); 1165 } 1166 1167 { 1168 // Set DNG version information 1169 uint8_t version[4] = {1, 4, 0, 0}; 1170 BAIL_IF_INVALID(writer->addEntry(TAG_DNGVERSION, 4, version, TIFF_IFD_0), 1171 env, TAG_DNGVERSION, writer); 1172 1173 uint8_t backwardVersion[4] = {1, 1, 0, 0}; 1174 BAIL_IF_INVALID(writer->addEntry(TAG_DNGBACKWARDVERSION, 4, backwardVersion, TIFF_IFD_0), 1175 env, TAG_DNGBACKWARDVERSION, writer); 1176 } 1177 1178 { 1179 // Set whitelevel 1180 camera_metadata_entry entry = 1181 characteristics.find(ANDROID_SENSOR_INFO_WHITE_LEVEL); 1182 BAIL_IF_EMPTY(entry, env, TAG_WHITELEVEL, writer); 1183 uint32_t whiteLevel = static_cast<uint32_t>(entry.data.i32[0]); 1184 BAIL_IF_INVALID(writer->addEntry(TAG_WHITELEVEL, 1, &whiteLevel, TIFF_IFD_0), env, 1185 TAG_WHITELEVEL, writer); 1186 } 1187 1188 { 1189 // Set default scale 1190 uint32_t defaultScale[4] = {1, 1, 1, 1}; 1191 BAIL_IF_INVALID(writer->addEntry(TAG_DEFAULTSCALE, 2, defaultScale, TIFF_IFD_0), 1192 env, TAG_DEFAULTSCALE, writer); 1193 } 1194 1195 bool singleIlluminant = false; 1196 { 1197 // Set calibration illuminants 1198 camera_metadata_entry entry1 = 1199 characteristics.find(ANDROID_SENSOR_REFERENCE_ILLUMINANT1); 1200 BAIL_IF_EMPTY(entry1, env, TAG_CALIBRATIONILLUMINANT1, writer); 1201 camera_metadata_entry entry2 = 1202 characteristics.find(ANDROID_SENSOR_REFERENCE_ILLUMINANT2); 1203 if (entry2.count == 0) { 1204 singleIlluminant = true; 1205 } 1206 uint16_t ref1 = entry1.data.u8[0]; 1207 1208 BAIL_IF_INVALID(writer->addEntry(TAG_CALIBRATIONILLUMINANT1, 1, &ref1, 1209 TIFF_IFD_0), env, TAG_CALIBRATIONILLUMINANT1, writer); 1210 1211 if (!singleIlluminant) { 1212 uint16_t ref2 = entry2.data.u8[0]; 1213 BAIL_IF_INVALID(writer->addEntry(TAG_CALIBRATIONILLUMINANT2, 1, &ref2, 1214 TIFF_IFD_0), env, TAG_CALIBRATIONILLUMINANT2, writer); 1215 } 1216 } 1217 1218 { 1219 // Set color transforms 1220 camera_metadata_entry entry1 = 1221 characteristics.find(ANDROID_SENSOR_COLOR_TRANSFORM1); 1222 BAIL_IF_EMPTY(entry1, env, TAG_COLORMATRIX1, writer); 1223 1224 int32_t colorTransform1[entry1.count * 2]; 1225 1226 size_t ctr = 0; 1227 for(size_t i = 0; i < entry1.count; ++i) { 1228 colorTransform1[ctr++] = entry1.data.r[i].numerator; 1229 colorTransform1[ctr++] = entry1.data.r[i].denominator; 1230 } 1231 1232 BAIL_IF_INVALID(writer->addEntry(TAG_COLORMATRIX1, entry1.count, colorTransform1, 1233 TIFF_IFD_0), env, TAG_COLORMATRIX1, writer); 1234 1235 if (!singleIlluminant) { 1236 camera_metadata_entry entry2 = characteristics.find(ANDROID_SENSOR_COLOR_TRANSFORM2); 1237 BAIL_IF_EMPTY(entry2, env, TAG_COLORMATRIX2, writer); 1238 int32_t colorTransform2[entry2.count * 2]; 1239 1240 ctr = 0; 1241 for(size_t i = 0; i < entry2.count; ++i) { 1242 colorTransform2[ctr++] = entry2.data.r[i].numerator; 1243 colorTransform2[ctr++] = entry2.data.r[i].denominator; 1244 } 1245 1246 BAIL_IF_INVALID(writer->addEntry(TAG_COLORMATRIX2, entry2.count, colorTransform2, 1247 TIFF_IFD_0), env, TAG_COLORMATRIX2, writer); 1248 } 1249 } 1250 1251 { 1252 // Set calibration transforms 1253 camera_metadata_entry entry1 = 1254 characteristics.find(ANDROID_SENSOR_CALIBRATION_TRANSFORM1); 1255 BAIL_IF_EMPTY(entry1, env, TAG_CAMERACALIBRATION1, writer); 1256 1257 int32_t calibrationTransform1[entry1.count * 2]; 1258 1259 size_t ctr = 0; 1260 for(size_t i = 0; i < entry1.count; ++i) { 1261 calibrationTransform1[ctr++] = entry1.data.r[i].numerator; 1262 calibrationTransform1[ctr++] = entry1.data.r[i].denominator; 1263 } 1264 1265 BAIL_IF_INVALID(writer->addEntry(TAG_CAMERACALIBRATION1, entry1.count, 1266 calibrationTransform1, TIFF_IFD_0), env, TAG_CAMERACALIBRATION1, writer); 1267 1268 if (!singleIlluminant) { 1269 camera_metadata_entry entry2 = 1270 characteristics.find(ANDROID_SENSOR_CALIBRATION_TRANSFORM2); 1271 BAIL_IF_EMPTY(entry2, env, TAG_CAMERACALIBRATION2, writer); 1272 int32_t calibrationTransform2[entry2.count * 2]; 1273 1274 ctr = 0; 1275 for(size_t i = 0; i < entry2.count; ++i) { 1276 calibrationTransform2[ctr++] = entry2.data.r[i].numerator; 1277 calibrationTransform2[ctr++] = entry2.data.r[i].denominator; 1278 } 1279 1280 BAIL_IF_INVALID(writer->addEntry(TAG_CAMERACALIBRATION2, entry2.count, 1281 calibrationTransform2, TIFF_IFD_0), env, TAG_CAMERACALIBRATION2, writer); 1282 } 1283 } 1284 1285 { 1286 // Set forward transforms 1287 camera_metadata_entry entry1 = 1288 characteristics.find(ANDROID_SENSOR_FORWARD_MATRIX1); 1289 BAIL_IF_EMPTY(entry1, env, TAG_FORWARDMATRIX1, writer); 1290 1291 int32_t forwardTransform1[entry1.count * 2]; 1292 1293 size_t ctr = 0; 1294 for(size_t i = 0; i < entry1.count; ++i) { 1295 forwardTransform1[ctr++] = entry1.data.r[i].numerator; 1296 forwardTransform1[ctr++] = entry1.data.r[i].denominator; 1297 } 1298 1299 BAIL_IF_INVALID(writer->addEntry(TAG_FORWARDMATRIX1, entry1.count, forwardTransform1, 1300 TIFF_IFD_0), env, TAG_FORWARDMATRIX1, writer); 1301 1302 if (!singleIlluminant) { 1303 camera_metadata_entry entry2 = 1304 characteristics.find(ANDROID_SENSOR_FORWARD_MATRIX2); 1305 BAIL_IF_EMPTY(entry2, env, TAG_FORWARDMATRIX2, writer); 1306 int32_t forwardTransform2[entry2.count * 2]; 1307 1308 ctr = 0; 1309 for(size_t i = 0; i < entry2.count; ++i) { 1310 forwardTransform2[ctr++] = entry2.data.r[i].numerator; 1311 forwardTransform2[ctr++] = entry2.data.r[i].denominator; 1312 } 1313 1314 BAIL_IF_INVALID(writer->addEntry(TAG_FORWARDMATRIX2, entry2.count, forwardTransform2, 1315 TIFF_IFD_0), env, TAG_FORWARDMATRIX2, writer); 1316 } 1317 } 1318 1319 { 1320 // Set camera neutral 1321 camera_metadata_entry entry = 1322 results.find(ANDROID_SENSOR_NEUTRAL_COLOR_POINT); 1323 BAIL_IF_EMPTY(entry, env, TAG_ASSHOTNEUTRAL, writer); 1324 uint32_t cameraNeutral[entry.count * 2]; 1325 1326 size_t ctr = 0; 1327 for(size_t i = 0; i < entry.count; ++i) { 1328 cameraNeutral[ctr++] = 1329 static_cast<uint32_t>(entry.data.r[i].numerator); 1330 cameraNeutral[ctr++] = 1331 static_cast<uint32_t>(entry.data.r[i].denominator); 1332 } 1333 1334 BAIL_IF_INVALID(writer->addEntry(TAG_ASSHOTNEUTRAL, entry.count, cameraNeutral, 1335 TIFF_IFD_0), env, TAG_ASSHOTNEUTRAL, writer); 1336 } 1337 1338 { 1339 // Setup data strips 1340 // TODO: Switch to tiled implementation. 1341 if (writer->addStrip(TIFF_IFD_0) != OK) { 1342 ALOGE("%s: Could not setup strip tags.", __FUNCTION__); 1343 jniThrowException(env, "java/lang/IllegalStateException", 1344 "Failed to setup strip tags."); 1345 return; 1346 } 1347 } 1348 1349 { 1350 // Setup default crop + crop origin tags 1351 uint32_t margin = 8; // Default margin recommended by Adobe for interpolation. 1352 uint32_t dimensionLimit = 128; // Smallest image dimension crop margin from. 1353 if (imageWidth >= dimensionLimit && imageHeight >= dimensionLimit) { 1354 uint32_t defaultCropOrigin[] = {margin, margin}; 1355 uint32_t defaultCropSize[] = {imageWidth - margin, imageHeight - margin}; 1356 BAIL_IF_INVALID(writer->addEntry(TAG_DEFAULTCROPORIGIN, 2, defaultCropOrigin, 1357 TIFF_IFD_0), env, TAG_DEFAULTCROPORIGIN, writer); 1358 BAIL_IF_INVALID(writer->addEntry(TAG_DEFAULTCROPSIZE, 2, defaultCropSize, 1359 TIFF_IFD_0), env, TAG_DEFAULTCROPSIZE, writer); 1360 } 1361 } 1362 1363 { 1364 // Setup unique camera model tag 1365 char model[PROPERTY_VALUE_MAX]; 1366 property_get("ro.product.model", model, ""); 1367 1368 char manufacturer[PROPERTY_VALUE_MAX]; 1369 property_get("ro.product.manufacturer", manufacturer, ""); 1370 1371 char brand[PROPERTY_VALUE_MAX]; 1372 property_get("ro.product.brand", brand, ""); 1373 1374 String8 cameraModel(model); 1375 cameraModel += "-"; 1376 cameraModel += manufacturer; 1377 cameraModel += "-"; 1378 cameraModel += brand; 1379 1380 BAIL_IF_INVALID(writer->addEntry(TAG_UNIQUECAMERAMODEL, cameraModel.size() + 1, 1381 reinterpret_cast<const uint8_t*>(cameraModel.string()), TIFF_IFD_0), env, 1382 TAG_UNIQUECAMERAMODEL, writer); 1383 } 1384 1385 { 1386 // Setup sensor noise model 1387 camera_metadata_entry entry = 1388 results.find(ANDROID_SENSOR_NOISE_PROFILE); 1389 1390 const status_t numPlaneColors = 3; 1391 const status_t numCfaChannels = 4; 1392 1393 uint8_t cfaOut[numCfaChannels]; 1394 if ((err = convertCFA(cfaEnum, /*out*/cfaOut)) != OK) { 1395 jniThrowException(env, "java/lang/IllegalArgumentException", 1396 "Invalid CFA from camera characteristics"); 1397 return; 1398 } 1399 1400 double noiseProfile[numPlaneColors * 2]; 1401 1402 if (entry.count > 0) { 1403 if (entry.count != numCfaChannels * 2) { 1404 ALOGW("%s: Invalid entry count %u for noise profile returned in characteristics," 1405 " no noise profile tag written...", __FUNCTION__, entry.count); 1406 } else { 1407 if ((err = generateNoiseProfile(entry.data.d, cfaOut, numCfaChannels, 1408 cfaPlaneColor, numPlaneColors, /*out*/ noiseProfile)) == OK) { 1409 1410 BAIL_IF_INVALID(writer->addEntry(TAG_NOISEPROFILE, numPlaneColors * 2, 1411 noiseProfile, TIFF_IFD_0), env, TAG_NOISEPROFILE, writer); 1412 } else { 1413 ALOGW("%s: Error converting coefficients for noise profile, no noise profile" 1414 " tag written...", __FUNCTION__); 1415 } 1416 } 1417 } else { 1418 ALOGW("%s: No noise profile found in result metadata. Image quality may be reduced.", 1419 __FUNCTION__); 1420 } 1421 } 1422 1423 { 1424 // Setup opcode List 2 1425 camera_metadata_entry entry1 = 1426 characteristics.find(ANDROID_LENS_INFO_SHADING_MAP_SIZE); 1427 1428 uint32_t lsmWidth = 0; 1429 uint32_t lsmHeight = 0; 1430 1431 if (entry1.count != 0) { 1432 lsmWidth = static_cast<uint32_t>(entry1.data.i32[0]); 1433 lsmHeight = static_cast<uint32_t>(entry1.data.i32[1]); 1434 } 1435 1436 camera_metadata_entry entry2 = 1437 results.find(ANDROID_STATISTICS_LENS_SHADING_MAP); 1438 1439 if (entry2.count > 0 && entry2.count == lsmWidth * lsmHeight * 4) { 1440 1441 OpcodeListBuilder builder; 1442 status_t err = builder.addGainMapsForMetadata(lsmWidth, 1443 lsmHeight, 1444 0, 1445 0, 1446 imageHeight, 1447 imageWidth, 1448 opcodeCfaLayout, 1449 entry2.data.f); 1450 if (err == OK) { 1451 size_t listSize = builder.getSize(); 1452 uint8_t opcodeListBuf[listSize]; 1453 err = builder.buildOpList(opcodeListBuf); 1454 if (err == OK) { 1455 BAIL_IF_INVALID(writer->addEntry(TAG_OPCODELIST2, listSize, opcodeListBuf, 1456 TIFF_IFD_0), env, TAG_OPCODELIST2, writer); 1457 } else { 1458 ALOGE("%s: Could not build Lens shading map opcode.", __FUNCTION__); 1459 jniThrowRuntimeException(env, "failed to construct lens shading map opcode."); 1460 } 1461 } else { 1462 ALOGE("%s: Could not add Lens shading map.", __FUNCTION__); 1463 jniThrowRuntimeException(env, "failed to add lens shading map."); 1464 } 1465 } else { 1466 ALOGW("%s: No lens shading map found in result metadata. Image quality may be reduced.", 1467 __FUNCTION__); 1468 } 1469 } 1470 1471 DngCreator_setNativeContext(env, thiz, nativeContext); 1472} 1473 1474static void DngCreator_destroy(JNIEnv* env, jobject thiz) { 1475 ALOGV("%s:", __FUNCTION__); 1476 DngCreator_setNativeContext(env, thiz, NULL); 1477} 1478 1479static void DngCreator_nativeSetOrientation(JNIEnv* env, jobject thiz, jint orient) { 1480 ALOGV("%s:", __FUNCTION__); 1481 1482 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1483 if (writer == NULL) { 1484 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1485 jniThrowException(env, "java/lang/AssertionError", 1486 "setOrientation called with uninitialized DngCreator"); 1487 return; 1488 } 1489 1490 uint16_t orientation = static_cast<uint16_t>(orient); 1491 BAIL_IF_INVALID(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_0), env, 1492 TAG_ORIENTATION, writer); 1493 1494 // Set main image orientation also if in a separate IFD 1495 if (writer->hasIfd(TIFF_IFD_SUB1)) { 1496 BAIL_IF_INVALID(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_SUB1), env, 1497 TAG_ORIENTATION, writer); 1498 } 1499} 1500 1501static void DngCreator_nativeSetDescription(JNIEnv* env, jobject thiz, jstring description) { 1502 ALOGV("%s:", __FUNCTION__); 1503 1504 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1505 if (writer == NULL) { 1506 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1507 jniThrowException(env, "java/lang/AssertionError", 1508 "setDescription called with uninitialized DngCreator"); 1509 return; 1510 } 1511 1512 const char* desc = env->GetStringUTFChars(description, NULL); 1513 size_t len = strlen(desc) + 1; 1514 1515 if (writer->addEntry(TAG_IMAGEDESCRIPTION, len, 1516 reinterpret_cast<const uint8_t*>(desc), TIFF_IFD_0) != OK) { 1517 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 1518 "Invalid metadata for tag %x", TAG_IMAGEDESCRIPTION); 1519 } 1520 1521 env->ReleaseStringUTFChars(description, desc); 1522} 1523 1524static void DngCreator_nativeSetGpsTags(JNIEnv* env, jobject thiz, jintArray latTag, jstring latRef, 1525 jintArray longTag, jstring longRef, jstring dateTag, jintArray timeTag) { 1526 ALOGV("%s:", __FUNCTION__); 1527 1528 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1529 if (writer == NULL) { 1530 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1531 jniThrowException(env, "java/lang/AssertionError", 1532 "setGpsTags called with uninitialized DngCreator"); 1533 return; 1534 } 1535 1536 if (!writer->hasIfd(TIFF_IFD_GPSINFO)) { 1537 if (writer->addSubIfd(TIFF_IFD_0, TIFF_IFD_GPSINFO, TiffWriter::GPSINFO) != OK) { 1538 ALOGE("%s: Failed to add GpsInfo IFD %u to IFD %u", __FUNCTION__, TIFF_IFD_GPSINFO, 1539 TIFF_IFD_0); 1540 jniThrowException(env, "java/lang/IllegalStateException", "Failed to add GPSINFO"); 1541 return; 1542 } 1543 } 1544 1545 const jsize GPS_VALUE_LENGTH = 6; 1546 jsize latLen = env->GetArrayLength(latTag); 1547 jsize longLen = env->GetArrayLength(longTag); 1548 jsize timeLen = env->GetArrayLength(timeTag); 1549 if (latLen != GPS_VALUE_LENGTH) { 1550 jniThrowException(env, "java/lang/IllegalArgumentException", 1551 "invalid latitude tag length"); 1552 return; 1553 } else if (longLen != GPS_VALUE_LENGTH) { 1554 jniThrowException(env, "java/lang/IllegalArgumentException", 1555 "invalid longitude tag length"); 1556 return; 1557 } else if (timeLen != GPS_VALUE_LENGTH) { 1558 jniThrowException(env, "java/lang/IllegalArgumentException", 1559 "invalid time tag length"); 1560 return; 1561 } 1562 1563 uint32_t latitude[GPS_VALUE_LENGTH]; 1564 uint32_t longitude[GPS_VALUE_LENGTH]; 1565 uint32_t timestamp[GPS_VALUE_LENGTH]; 1566 1567 env->GetIntArrayRegion(latTag, 0, static_cast<jsize>(GPS_VALUE_LENGTH), 1568 reinterpret_cast<jint*>(&latitude)); 1569 env->GetIntArrayRegion(longTag, 0, static_cast<jsize>(GPS_VALUE_LENGTH), 1570 reinterpret_cast<jint*>(&longitude)); 1571 env->GetIntArrayRegion(timeTag, 0, static_cast<jsize>(GPS_VALUE_LENGTH), 1572 reinterpret_cast<jint*>(×tamp)); 1573 1574 const jsize GPS_REF_LENGTH = 2; 1575 const jsize GPS_DATE_LENGTH = 11; 1576 uint8_t latitudeRef[GPS_REF_LENGTH]; 1577 uint8_t longitudeRef[GPS_REF_LENGTH]; 1578 uint8_t date[GPS_DATE_LENGTH]; 1579 1580 env->GetStringUTFRegion(latRef, 0, 1, reinterpret_cast<char*>(&latitudeRef)); 1581 latitudeRef[GPS_REF_LENGTH - 1] = '\0'; 1582 env->GetStringUTFRegion(longRef, 0, 1, reinterpret_cast<char*>(&longitudeRef)); 1583 longitudeRef[GPS_REF_LENGTH - 1] = '\0'; 1584 1585 env->GetStringUTFRegion(dateTag, 0, GPS_DATE_LENGTH - 1, reinterpret_cast<char*>(&date)); 1586 date[GPS_DATE_LENGTH - 1] = '\0'; 1587 1588 { 1589 uint8_t version[] = {2, 3, 0, 0}; 1590 BAIL_IF_INVALID(writer->addEntry(TAG_GPSVERSIONID, 4, version, 1591 TIFF_IFD_GPSINFO), env, TAG_GPSVERSIONID, writer); 1592 } 1593 1594 { 1595 BAIL_IF_INVALID(writer->addEntry(TAG_GPSLATITUDEREF, GPS_REF_LENGTH, latitudeRef, 1596 TIFF_IFD_GPSINFO), env, TAG_GPSLATITUDEREF, writer); 1597 } 1598 1599 { 1600 BAIL_IF_INVALID(writer->addEntry(TAG_GPSLONGITUDEREF, GPS_REF_LENGTH, longitudeRef, 1601 TIFF_IFD_GPSINFO), env, TAG_GPSLONGITUDEREF, writer); 1602 } 1603 1604 { 1605 BAIL_IF_INVALID(writer->addEntry(TAG_GPSLATITUDE, 3, latitude, 1606 TIFF_IFD_GPSINFO), env, TAG_GPSLATITUDE, writer); 1607 } 1608 1609 { 1610 BAIL_IF_INVALID(writer->addEntry(TAG_GPSLONGITUDE, 3, longitude, 1611 TIFF_IFD_GPSINFO), env, TAG_GPSLONGITUDE, writer); 1612 } 1613 1614 { 1615 BAIL_IF_INVALID(writer->addEntry(TAG_GPSTIMESTAMP, 3, timestamp, 1616 TIFF_IFD_GPSINFO), env, TAG_GPSTIMESTAMP, writer); 1617 } 1618 1619 { 1620 BAIL_IF_INVALID(writer->addEntry(TAG_GPSDATESTAMP, GPS_DATE_LENGTH, date, 1621 TIFF_IFD_GPSINFO), env, TAG_GPSDATESTAMP, writer); 1622 } 1623} 1624 1625static void DngCreator_nativeSetThumbnail(JNIEnv* env, jobject thiz, jobject buffer, jint width, 1626 jint height) { 1627 ALOGV("%s:", __FUNCTION__); 1628 1629 NativeContext* context = DngCreator_getNativeContext(env, thiz); 1630 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1631 if (writer == NULL || context == NULL) { 1632 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1633 jniThrowException(env, "java/lang/AssertionError", 1634 "setThumbnail called with uninitialized DngCreator"); 1635 return; 1636 } 1637 1638 size_t fullSize = width * height * BYTES_PER_RGB_PIXEL; 1639 jlong capacity = env->GetDirectBufferCapacity(buffer); 1640 if (capacity != fullSize) { 1641 jniThrowExceptionFmt(env, "java/lang/AssertionError", 1642 "Invalid size %d for thumbnail, expected size was %d", 1643 capacity, fullSize); 1644 return; 1645 } 1646 1647 uint8_t* pixelBytes = reinterpret_cast<uint8_t*>(env->GetDirectBufferAddress(buffer)); 1648 if (pixelBytes == NULL) { 1649 ALOGE("%s: Could not get native ByteBuffer", __FUNCTION__); 1650 jniThrowException(env, "java/lang/IllegalArgumentException", "Invalid ByteBuffer"); 1651 return; 1652 } 1653 1654 if (!writer->hasIfd(TIFF_IFD_SUB1)) { 1655 if (writer->addSubIfd(TIFF_IFD_0, TIFF_IFD_SUB1) != OK) { 1656 ALOGE("%s: Failed to add SubIFD %u to IFD %u", __FUNCTION__, TIFF_IFD_SUB1, 1657 TIFF_IFD_0); 1658 jniThrowException(env, "java/lang/IllegalStateException", "Failed to add SubIFD"); 1659 return; 1660 } 1661 1662 Vector<uint16_t> tagsToMove; 1663 tagsToMove.add(TAG_ORIENTATION); 1664 tagsToMove.add(TAG_NEWSUBFILETYPE); 1665 tagsToMove.add(TAG_BITSPERSAMPLE); 1666 tagsToMove.add(TAG_COMPRESSION); 1667 tagsToMove.add(TAG_IMAGEWIDTH); 1668 tagsToMove.add(TAG_IMAGELENGTH); 1669 tagsToMove.add(TAG_PHOTOMETRICINTERPRETATION); 1670 tagsToMove.add(TAG_BLACKLEVEL); 1671 tagsToMove.add(TAG_BLACKLEVELREPEATDIM); 1672 tagsToMove.add(TAG_SAMPLESPERPIXEL); 1673 tagsToMove.add(TAG_PLANARCONFIGURATION); 1674 tagsToMove.add(TAG_CFAREPEATPATTERNDIM); 1675 tagsToMove.add(TAG_CFAPATTERN); 1676 tagsToMove.add(TAG_CFAPLANECOLOR); 1677 tagsToMove.add(TAG_CFALAYOUT); 1678 tagsToMove.add(TAG_XRESOLUTION); 1679 tagsToMove.add(TAG_YRESOLUTION); 1680 tagsToMove.add(TAG_RESOLUTIONUNIT); 1681 tagsToMove.add(TAG_WHITELEVEL); 1682 tagsToMove.add(TAG_DEFAULTSCALE); 1683 tagsToMove.add(TAG_ROWSPERSTRIP); 1684 tagsToMove.add(TAG_STRIPBYTECOUNTS); 1685 tagsToMove.add(TAG_STRIPOFFSETS); 1686 tagsToMove.add(TAG_DEFAULTCROPORIGIN); 1687 tagsToMove.add(TAG_DEFAULTCROPSIZE); 1688 tagsToMove.add(TAG_OPCODELIST2); 1689 1690 if (moveEntries(writer, TIFF_IFD_0, TIFF_IFD_SUB1, tagsToMove) != OK) { 1691 jniThrowException(env, "java/lang/IllegalStateException", "Failed to move entries"); 1692 return; 1693 } 1694 1695 // Make sure both IFDs get the same orientation tag 1696 sp<TiffEntry> orientEntry = writer->getEntry(TAG_ORIENTATION, TIFF_IFD_SUB1); 1697 if (orientEntry != NULL) { 1698 writer->addEntry(orientEntry, TIFF_IFD_0); 1699 } 1700 } 1701 1702 // Setup thumbnail tags 1703 1704 { 1705 // Set photometric interpretation 1706 uint16_t interpretation = 2; // RGB 1707 BAIL_IF_INVALID(writer->addEntry(TAG_PHOTOMETRICINTERPRETATION, 1, &interpretation, 1708 TIFF_IFD_0), env, TAG_PHOTOMETRICINTERPRETATION, writer); 1709 } 1710 1711 { 1712 // Set planar configuration 1713 uint16_t config = 1; // Chunky 1714 BAIL_IF_INVALID(writer->addEntry(TAG_PLANARCONFIGURATION, 1, &config, TIFF_IFD_0), 1715 env, TAG_PLANARCONFIGURATION, writer); 1716 } 1717 1718 { 1719 // Set samples per pixel 1720 uint16_t samples = SAMPLES_PER_RGB_PIXEL; 1721 BAIL_IF_INVALID(writer->addEntry(TAG_SAMPLESPERPIXEL, 1, &samples, TIFF_IFD_0), 1722 env, TAG_SAMPLESPERPIXEL, writer); 1723 } 1724 1725 { 1726 // Set bits per sample 1727 uint16_t bits = BITS_PER_RGB_SAMPLE; 1728 BAIL_IF_INVALID(writer->addEntry(TAG_BITSPERSAMPLE, 1, &bits, TIFF_IFD_0), env, 1729 TAG_BITSPERSAMPLE, writer); 1730 } 1731 1732 { 1733 // Set subfiletype 1734 uint32_t subfileType = 1; // Thumbnail image 1735 BAIL_IF_INVALID(writer->addEntry(TAG_NEWSUBFILETYPE, 1, &subfileType, TIFF_IFD_0), env, 1736 TAG_NEWSUBFILETYPE, writer); 1737 } 1738 1739 { 1740 // Set compression 1741 uint16_t compression = 1; // None 1742 BAIL_IF_INVALID(writer->addEntry(TAG_COMPRESSION, 1, &compression, TIFF_IFD_0), env, 1743 TAG_COMPRESSION, writer); 1744 } 1745 1746 { 1747 // Set dimensions 1748 uint32_t uWidth = static_cast<uint32_t>(width); 1749 uint32_t uHeight = static_cast<uint32_t>(height); 1750 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGEWIDTH, 1, &uWidth, TIFF_IFD_0), env, 1751 TAG_IMAGEWIDTH, writer); 1752 BAIL_IF_INVALID(writer->addEntry(TAG_IMAGELENGTH, 1, &uHeight, TIFF_IFD_0), env, 1753 TAG_IMAGELENGTH, writer); 1754 } 1755 1756 { 1757 // x resolution 1758 uint32_t xres[] = { 72, 1 }; // default 72 ppi 1759 BAIL_IF_INVALID(writer->addEntry(TAG_XRESOLUTION, 1, xres, TIFF_IFD_0), 1760 env, TAG_XRESOLUTION, writer); 1761 1762 // y resolution 1763 uint32_t yres[] = { 72, 1 }; // default 72 ppi 1764 BAIL_IF_INVALID(writer->addEntry(TAG_YRESOLUTION, 1, yres, TIFF_IFD_0), 1765 env, TAG_YRESOLUTION, writer); 1766 1767 uint16_t unit = 2; // inches 1768 BAIL_IF_INVALID(writer->addEntry(TAG_RESOLUTIONUNIT, 1, &unit, TIFF_IFD_0), 1769 env, TAG_RESOLUTIONUNIT, writer); 1770 } 1771 1772 { 1773 // Setup data strips 1774 if (writer->addStrip(TIFF_IFD_0) != OK) { 1775 ALOGE("%s: Could not setup thumbnail strip tags.", __FUNCTION__); 1776 jniThrowException(env, "java/lang/IllegalStateException", 1777 "Failed to setup thumbnail strip tags."); 1778 return; 1779 } 1780 if (writer->addStrip(TIFF_IFD_SUB1) != OK) { 1781 ALOGE("%s: Could not main image strip tags.", __FUNCTION__); 1782 jniThrowException(env, "java/lang/IllegalStateException", 1783 "Failed to setup main image strip tags."); 1784 return; 1785 } 1786 } 1787 1788 if (!context->setThumbnail(pixelBytes, width, height)) { 1789 jniThrowException(env, "java/lang/IllegalStateException", 1790 "Failed to set thumbnail."); 1791 return; 1792 } 1793} 1794 1795// TODO: Refactor out common preamble for the two nativeWrite methods. 1796static void DngCreator_nativeWriteImage(JNIEnv* env, jobject thiz, jobject outStream, jint width, 1797 jint height, jobject inBuffer, jint rowStride, jint pixStride, jlong offset, 1798 jboolean isDirect) { 1799 ALOGV("%s:", __FUNCTION__); 1800 ALOGV("%s: nativeWriteImage called with: width=%d, height=%d, rowStride=%d, pixStride=%d," 1801 " offset=%lld", __FUNCTION__, width, height, rowStride, pixStride, offset); 1802 uint32_t rStride = static_cast<uint32_t>(rowStride); 1803 uint32_t pStride = static_cast<uint32_t>(pixStride); 1804 uint32_t uWidth = static_cast<uint32_t>(width); 1805 uint32_t uHeight = static_cast<uint32_t>(height); 1806 uint64_t uOffset = static_cast<uint64_t>(offset); 1807 1808 sp<JniOutputStream> out = new JniOutputStream(env, outStream); 1809 if(env->ExceptionCheck()) { 1810 ALOGE("%s: Could not allocate buffers for output stream", __FUNCTION__); 1811 return; 1812 } 1813 1814 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1815 NativeContext* context = DngCreator_getNativeContext(env, thiz); 1816 if (writer == NULL || context == NULL) { 1817 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1818 jniThrowException(env, "java/lang/AssertionError", 1819 "Write called with uninitialized DngCreator"); 1820 return; 1821 } 1822 1823 // Validate DNG header 1824 if (!validateDngHeader(env, writer, width, height)) { 1825 return; 1826 } 1827 1828 sp<JniInputByteBuffer> inBuf; 1829 Vector<StripSource*> sources; 1830 sp<DirectStripSource> thumbnailSource; 1831 uint32_t targetIfd = TIFF_IFD_0; 1832 1833 bool hasThumbnail = writer->hasIfd(TIFF_IFD_SUB1); 1834 1835 if (hasThumbnail) { 1836 ALOGV("%s: Adding thumbnail strip sources.", __FUNCTION__); 1837 uint32_t bytesPerPixel = SAMPLES_PER_RGB_PIXEL * BYTES_PER_RGB_SAMPLE; 1838 uint32_t thumbWidth = context->getThumbnailWidth(); 1839 thumbnailSource = new DirectStripSource(env, context->getThumbnail(), TIFF_IFD_0, 1840 thumbWidth, context->getThumbnailHeight(), bytesPerPixel, 1841 bytesPerPixel * thumbWidth, /*offset*/0, BYTES_PER_RGB_SAMPLE, 1842 SAMPLES_PER_RGB_PIXEL); 1843 sources.add(thumbnailSource.get()); 1844 targetIfd = TIFF_IFD_SUB1; 1845 } 1846 1847 if (isDirect) { 1848 size_t fullSize = rStride * uHeight; 1849 jlong capacity = env->GetDirectBufferCapacity(inBuffer); 1850 if (capacity < 0 || fullSize + uOffset > static_cast<uint64_t>(capacity)) { 1851 jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 1852 "Invalid size %d for Image, size given in metadata is %d at current stride", 1853 capacity, fullSize); 1854 return; 1855 } 1856 1857 uint8_t* pixelBytes = reinterpret_cast<uint8_t*>(env->GetDirectBufferAddress(inBuffer)); 1858 if (pixelBytes == NULL) { 1859 ALOGE("%s: Could not get native ByteBuffer", __FUNCTION__); 1860 jniThrowException(env, "java/lang/IllegalArgumentException", "Invalid ByteBuffer"); 1861 return; 1862 } 1863 1864 ALOGV("%s: Using direct-type strip source.", __FUNCTION__); 1865 DirectStripSource stripSource(env, pixelBytes, targetIfd, uWidth, uHeight, pStride, 1866 rStride, uOffset, BYTES_PER_SAMPLE, SAMPLES_PER_RAW_PIXEL); 1867 sources.add(&stripSource); 1868 1869 status_t ret = OK; 1870 if ((ret = writer->write(out.get(), sources.editArray(), sources.size())) != OK) { 1871 ALOGE("%s: write failed with error %d.", __FUNCTION__, ret); 1872 if (!env->ExceptionCheck()) { 1873 jniThrowExceptionFmt(env, "java/io/IOException", 1874 "Encountered error %d while writing file.", ret); 1875 } 1876 return; 1877 } 1878 } else { 1879 inBuf = new JniInputByteBuffer(env, inBuffer); 1880 1881 ALOGV("%s: Using input-type strip source.", __FUNCTION__); 1882 InputStripSource stripSource(env, *inBuf, targetIfd, uWidth, uHeight, pStride, 1883 rStride, uOffset, BYTES_PER_SAMPLE, SAMPLES_PER_RAW_PIXEL); 1884 sources.add(&stripSource); 1885 1886 status_t ret = OK; 1887 if ((ret = writer->write(out.get(), sources.editArray(), sources.size())) != OK) { 1888 ALOGE("%s: write failed with error %d.", __FUNCTION__, ret); 1889 if (!env->ExceptionCheck()) { 1890 jniThrowExceptionFmt(env, "java/io/IOException", 1891 "Encountered error %d while writing file.", ret); 1892 } 1893 return; 1894 } 1895 } 1896} 1897 1898static void DngCreator_nativeWriteInputStream(JNIEnv* env, jobject thiz, jobject outStream, 1899 jobject inStream, jint width, jint height, jlong offset) { 1900 ALOGV("%s:", __FUNCTION__); 1901 1902 uint32_t rowStride = width * BYTES_PER_SAMPLE; 1903 uint32_t pixStride = BYTES_PER_SAMPLE; 1904 uint32_t uWidth = static_cast<uint32_t>(width); 1905 uint32_t uHeight = static_cast<uint32_t>(height); 1906 uint64_t uOffset = static_cast<uint32_t>(offset); 1907 1908 ALOGV("%s: nativeWriteInputStream called with: width=%d, height=%d, rowStride=%u," 1909 "pixStride=%u, offset=%lld", __FUNCTION__, width, height, rowStride, pixStride, 1910 offset); 1911 1912 sp<JniOutputStream> out = new JniOutputStream(env, outStream); 1913 if(env->ExceptionCheck()) { 1914 ALOGE("%s: Could not allocate buffers for output stream", __FUNCTION__); 1915 return; 1916 } 1917 1918 TiffWriter* writer = DngCreator_getCreator(env, thiz); 1919 NativeContext* context = DngCreator_getNativeContext(env, thiz); 1920 if (writer == NULL || context == NULL) { 1921 ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__); 1922 jniThrowException(env, "java/lang/AssertionError", 1923 "Write called with uninitialized DngCreator"); 1924 return; 1925 } 1926 1927 // Validate DNG header 1928 if (!validateDngHeader(env, writer, width, height)) { 1929 return; 1930 } 1931 1932 sp<DirectStripSource> thumbnailSource; 1933 uint32_t targetIfd = TIFF_IFD_0; 1934 bool hasThumbnail = writer->hasIfd(TIFF_IFD_SUB1); 1935 Vector<StripSource*> sources; 1936 1937 if (hasThumbnail) { 1938 ALOGV("%s: Adding thumbnail strip sources.", __FUNCTION__); 1939 uint32_t bytesPerPixel = SAMPLES_PER_RGB_PIXEL * BYTES_PER_RGB_SAMPLE; 1940 uint32_t width = context->getThumbnailWidth(); 1941 thumbnailSource = new DirectStripSource(env, context->getThumbnail(), TIFF_IFD_0, 1942 width, context->getThumbnailHeight(), bytesPerPixel, 1943 bytesPerPixel * width, /*offset*/0, BYTES_PER_RGB_SAMPLE, 1944 SAMPLES_PER_RGB_PIXEL); 1945 sources.add(thumbnailSource.get()); 1946 targetIfd = TIFF_IFD_SUB1; 1947 } 1948 1949 sp<JniInputStream> in = new JniInputStream(env, inStream); 1950 1951 ALOGV("%s: Using input-type strip source.", __FUNCTION__); 1952 InputStripSource stripSource(env, *in, targetIfd, uWidth, uHeight, pixStride, 1953 rowStride, uOffset, BYTES_PER_SAMPLE, SAMPLES_PER_RAW_PIXEL); 1954 sources.add(&stripSource); 1955 1956 status_t ret = OK; 1957 if ((ret = writer->write(out.get(), sources.editArray(), sources.size())) != OK) { 1958 ALOGE("%s: write failed with error %d.", __FUNCTION__, ret); 1959 if (!env->ExceptionCheck()) { 1960 jniThrowExceptionFmt(env, "java/io/IOException", 1961 "Encountered error %d while writing file.", ret); 1962 } 1963 return; 1964 } 1965} 1966 1967} /*extern "C" */ 1968 1969static JNINativeMethod gDngCreatorMethods[] = { 1970 {"nativeClassInit", "()V", (void*) DngCreator_nativeClassInit}, 1971 {"nativeInit", "(Landroid/hardware/camera2/impl/CameraMetadataNative;" 1972 "Landroid/hardware/camera2/impl/CameraMetadataNative;Ljava/lang/String;)V", 1973 (void*) DngCreator_init}, 1974 {"nativeDestroy", "()V", (void*) DngCreator_destroy}, 1975 {"nativeSetOrientation", "(I)V", (void*) DngCreator_nativeSetOrientation}, 1976 {"nativeSetDescription", "(Ljava/lang/String;)V", (void*) DngCreator_nativeSetDescription}, 1977 {"nativeSetGpsTags", "([ILjava/lang/String;[ILjava/lang/String;Ljava/lang/String;[I)V", 1978 (void*) DngCreator_nativeSetGpsTags}, 1979 {"nativeSetThumbnail","(Ljava/nio/ByteBuffer;II)V", (void*) DngCreator_nativeSetThumbnail}, 1980 {"nativeWriteImage", "(Ljava/io/OutputStream;IILjava/nio/ByteBuffer;IIJZ)V", 1981 (void*) DngCreator_nativeWriteImage}, 1982 {"nativeWriteInputStream", "(Ljava/io/OutputStream;Ljava/io/InputStream;IIJ)V", 1983 (void*) DngCreator_nativeWriteInputStream}, 1984}; 1985 1986int register_android_hardware_camera2_DngCreator(JNIEnv *env) { 1987 return AndroidRuntime::registerNativeMethods(env, 1988 "android/hardware/camera2/DngCreator", gDngCreatorMethods, 1989 NELEM(gDngCreatorMethods)); 1990} 1991