blob: a7284558aedde5abe24bbaf0a0d1c0400542fb8c [file] [log] [blame]
/*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "DngCreator_JNI"
#include <system/camera_metadata.h>
#include <camera/CameraMetadata.h>
#include <img_utils/DngUtils.h>
#include <img_utils/TagDefinitions.h>
#include <img_utils/TiffIfd.h>
#include <img_utils/TiffWriter.h>
#include <img_utils/Output.h>
#include <img_utils/Input.h>
#include <img_utils/StripSource.h>
#include <utils/Log.h>
#include <utils/Errors.h>
#include <utils/StrongPointer.h>
#include <utils/RefBase.h>
#include <utils/Vector.h>
#include <cutils/properties.h>
#include <string.h>
#include "android_runtime/AndroidRuntime.h"
#include "android_runtime/android_hardware_camera2_CameraMetadata.h"
#include <jni.h>
#include <JNIHelp.h>
using namespace android;
using namespace img_utils;
#define BAIL_IF_INVALID(expr, jnienv, tagId, writer) \
if ((expr) != OK) { \
jniThrowExceptionFmt(jnienv, "java/lang/IllegalArgumentException", \
"Invalid metadata for tag %s (%x)", (writer)->getTagName(tagId), (tagId)); \
return; \
}
#define BAIL_IF_EMPTY(entry, jnienv, tagId, writer) \
if (entry.count == 0) { \
jniThrowExceptionFmt(jnienv, "java/lang/IllegalArgumentException", \
"Missing metadata fields for tag %s (%x)", (writer)->getTagName(tagId), (tagId)); \
return; \
}
#define ANDROID_DNGCREATOR_CTX_JNI_ID "mNativeContext"
static struct {
jfieldID mNativeContext;
} gDngCreatorClassInfo;
static struct {
jmethodID mWriteMethod;
} gOutputStreamClassInfo;
static struct {
jmethodID mReadMethod;
jmethodID mSkipMethod;
} gInputStreamClassInfo;
static struct {
jmethodID mGetMethod;
} gInputByteBufferClassInfo;
enum {
BITS_PER_SAMPLE = 16,
BYTES_PER_SAMPLE = 2,
BYTES_PER_RGB_PIXEL = 3,
BITS_PER_RGB_SAMPLE = 8,
BYTES_PER_RGB_SAMPLE = 1,
SAMPLES_PER_RGB_PIXEL = 3,
SAMPLES_PER_RAW_PIXEL = 1,
TIFF_IFD_0 = 0,
TIFF_IFD_SUB1 = 1,
TIFF_IFD_GPSINFO = 2,
};
// ----------------------------------------------------------------------------
/**
* Container class for the persistent native context.
*/
class NativeContext : public LightRefBase<NativeContext> {
public:
NativeContext();
virtual ~NativeContext();
TiffWriter* getWriter();
uint32_t getThumbnailWidth();
uint32_t getThumbnailHeight();
const uint8_t* getThumbnail();
bool setThumbnail(const uint8_t* buffer, uint32_t width, uint32_t height);
private:
Vector<uint8_t> mCurrentThumbnail;
TiffWriter mWriter;
uint32_t mThumbnailWidth;
uint32_t mThumbnailHeight;
};
NativeContext::NativeContext() : mThumbnailWidth(0), mThumbnailHeight(0) {}
NativeContext::~NativeContext() {}
TiffWriter* NativeContext::getWriter() {
return &mWriter;
}
uint32_t NativeContext::getThumbnailWidth() {
return mThumbnailWidth;
}
uint32_t NativeContext::getThumbnailHeight() {
return mThumbnailHeight;
}
const uint8_t* NativeContext::getThumbnail() {
return mCurrentThumbnail.array();
}
bool NativeContext::setThumbnail(const uint8_t* buffer, uint32_t width, uint32_t height) {
mThumbnailWidth = width;
mThumbnailHeight = height;
size_t size = BYTES_PER_RGB_PIXEL * width * height;
if (mCurrentThumbnail.resize(size) < 0) {
ALOGE("%s: Could not resize thumbnail buffer.", __FUNCTION__);
return false;
}
uint8_t* thumb = mCurrentThumbnail.editArray();
memcpy(thumb, buffer, size);
return true;
}
// End of NativeContext
// ----------------------------------------------------------------------------
/**
* Wrapper class for a Java OutputStream.
*
* This class is not intended to be used across JNI calls.
*/
class JniOutputStream : public Output, public LightRefBase<JniOutputStream> {
public:
JniOutputStream(JNIEnv* env, jobject outStream);
virtual ~JniOutputStream();
status_t open();
status_t write(const uint8_t* buf, size_t offset, size_t count);
status_t close();
private:
enum {
BYTE_ARRAY_LENGTH = 4096
};
jobject mOutputStream;
JNIEnv* mEnv;
jbyteArray mByteArray;
};
JniOutputStream::JniOutputStream(JNIEnv* env, jobject outStream) : mOutputStream(outStream),
mEnv(env) {
mByteArray = env->NewByteArray(BYTE_ARRAY_LENGTH);
if (mByteArray == NULL) {
jniThrowException(env, "java/lang/OutOfMemoryError", "Could not allocate byte array.");
}
}
JniOutputStream::~JniOutputStream() {
mEnv->DeleteLocalRef(mByteArray);
}
status_t JniOutputStream::open() {
// Do nothing
return OK;
}
status_t JniOutputStream::write(const uint8_t* buf, size_t offset, size_t count) {
while(count > 0) {
size_t len = BYTE_ARRAY_LENGTH;
len = (count > len) ? len : count;
mEnv->SetByteArrayRegion(mByteArray, 0, len, reinterpret_cast<const jbyte*>(buf + offset));
if (mEnv->ExceptionCheck()) {
return BAD_VALUE;
}
mEnv->CallVoidMethod(mOutputStream, gOutputStreamClassInfo.mWriteMethod, mByteArray,
0, len);
if (mEnv->ExceptionCheck()) {
return BAD_VALUE;
}
count -= len;
offset += len;
}
return OK;
}
status_t JniOutputStream::close() {
// Do nothing
return OK;
}
// End of JniOutputStream
// ----------------------------------------------------------------------------
/**
* Wrapper class for a Java InputStream.
*
* This class is not intended to be used across JNI calls.
*/
class JniInputStream : public Input, public LightRefBase<JniInputStream> {
public:
JniInputStream(JNIEnv* env, jobject inStream);
status_t open();
status_t close();
ssize_t read(uint8_t* buf, size_t offset, size_t count);
ssize_t skip(size_t count);
virtual ~JniInputStream();
private:
enum {
BYTE_ARRAY_LENGTH = 4096
};
jobject mInStream;
JNIEnv* mEnv;
jbyteArray mByteArray;
};
JniInputStream::JniInputStream(JNIEnv* env, jobject inStream) : mInStream(inStream), mEnv(env) {
mByteArray = env->NewByteArray(BYTE_ARRAY_LENGTH);
if (mByteArray == NULL) {
jniThrowException(env, "java/lang/OutOfMemoryError", "Could not allocate byte array.");
}
}
JniInputStream::~JniInputStream() {
mEnv->DeleteLocalRef(mByteArray);
}
ssize_t JniInputStream::read(uint8_t* buf, size_t offset, size_t count) {
jint realCount = BYTE_ARRAY_LENGTH;
if (count < BYTE_ARRAY_LENGTH) {
realCount = count;
}
jint actual = mEnv->CallIntMethod(mInStream, gInputStreamClassInfo.mReadMethod, mByteArray, 0,
realCount);
if (actual < 0) {
return NOT_ENOUGH_DATA;
}
if (mEnv->ExceptionCheck()) {
return BAD_VALUE;
}
mEnv->GetByteArrayRegion(mByteArray, 0, actual, reinterpret_cast<jbyte*>(buf + offset));
if (mEnv->ExceptionCheck()) {
return BAD_VALUE;
}
return actual;
}
ssize_t JniInputStream::skip(size_t count) {
jlong actual = mEnv->CallLongMethod(mInStream, gInputStreamClassInfo.mSkipMethod,
static_cast<jlong>(count));
if (mEnv->ExceptionCheck()) {
return BAD_VALUE;
}
if (actual < 0) {
return NOT_ENOUGH_DATA;
}
return actual;
}
status_t JniInputStream::open() {
// Do nothing
return OK;
}
status_t JniInputStream::close() {
// Do nothing
return OK;
}
// End of JniInputStream
// ----------------------------------------------------------------------------
/**
* Wrapper class for a non-direct Java ByteBuffer.
*
* This class is not intended to be used across JNI calls.
*/
class JniInputByteBuffer : public Input, public LightRefBase<JniInputByteBuffer> {
public:
JniInputByteBuffer(JNIEnv* env, jobject inBuf);
status_t open();
status_t close();
ssize_t read(uint8_t* buf, size_t offset, size_t count);
virtual ~JniInputByteBuffer();
private:
enum {
BYTE_ARRAY_LENGTH = 4096
};
jobject mInBuf;
JNIEnv* mEnv;
jbyteArray mByteArray;
};
JniInputByteBuffer::JniInputByteBuffer(JNIEnv* env, jobject inBuf) : mInBuf(inBuf), mEnv(env) {
mByteArray = env->NewByteArray(BYTE_ARRAY_LENGTH);
if (mByteArray == NULL) {
jniThrowException(env, "java/lang/OutOfMemoryError", "Could not allocate byte array.");
}
}
JniInputByteBuffer::~JniInputByteBuffer() {
mEnv->DeleteLocalRef(mByteArray);
}
ssize_t JniInputByteBuffer::read(uint8_t* buf, size_t offset, size_t count) {
jint realCount = BYTE_ARRAY_LENGTH;
if (count < BYTE_ARRAY_LENGTH) {
realCount = count;
}
mEnv->CallObjectMethod(mInBuf, gInputByteBufferClassInfo.mGetMethod, mByteArray, 0,
realCount);
if (mEnv->ExceptionCheck()) {
return BAD_VALUE;
}
mEnv->GetByteArrayRegion(mByteArray, 0, realCount, reinterpret_cast<jbyte*>(buf + offset));
if (mEnv->ExceptionCheck()) {
return BAD_VALUE;
}
return realCount;
}
status_t JniInputByteBuffer::open() {
// Do nothing
return OK;
}
status_t JniInputByteBuffer::close() {
// Do nothing
return OK;
}
// End of JniInputByteBuffer
// ----------------------------------------------------------------------------
/**
* StripSource subclass for Input types.
*
* This class is not intended to be used across JNI calls.
*/
class InputStripSource : public StripSource, public LightRefBase<InputStripSource> {
public:
InputStripSource(JNIEnv* env, Input& input, uint32_t ifd, uint32_t width, uint32_t height,
uint32_t pixStride, uint32_t rowStride, uint64_t offset, uint32_t bytesPerSample,
uint32_t samplesPerPixel);
virtual ~InputStripSource();
virtual status_t writeToStream(Output& stream, uint32_t count);
virtual uint32_t getIfd() const;
protected:
uint32_t mIfd;
Input* mInput;
uint32_t mWidth;
uint32_t mHeight;
uint32_t mPixStride;
uint32_t mRowStride;
uint64_t mOffset;
JNIEnv* mEnv;
uint32_t mBytesPerSample;
uint32_t mSamplesPerPixel;
};
InputStripSource::InputStripSource(JNIEnv* env, Input& input, uint32_t ifd, uint32_t width,
uint32_t height, uint32_t pixStride, uint32_t rowStride, uint64_t offset,
uint32_t bytesPerSample, uint32_t samplesPerPixel) : mIfd(ifd), mInput(&input),
mWidth(width), mHeight(height), mPixStride(pixStride), mRowStride(rowStride),
mOffset(offset), mEnv(env), mBytesPerSample(bytesPerSample),
mSamplesPerPixel(samplesPerPixel) {}
InputStripSource::~InputStripSource() {}
status_t InputStripSource::writeToStream(Output& stream, uint32_t count) {
status_t err = OK;
uint32_t fullSize = mWidth * mHeight * mBytesPerSample * mSamplesPerPixel;
jlong offset = mOffset;
if (fullSize != count) {
ALOGE("%s: Amount to write %u doesn't match image size %u", __FUNCTION__, count,
fullSize);
jniThrowException(mEnv, "java/lang/IllegalStateException", "Not enough data to write");
return BAD_VALUE;
}
// Skip offset
while (offset > 0) {
ssize_t skipped = mInput->skip(offset);
if (skipped <= 0) {
if (skipped == NOT_ENOUGH_DATA || skipped == 0) {
jniThrowExceptionFmt(mEnv, "java/io/IOException",
"Early EOF encountered in skip, not enough pixel data for image of size %u",
fullSize);
skipped = NOT_ENOUGH_DATA;
} else {
if (!mEnv->ExceptionCheck()) {
jniThrowException(mEnv, "java/io/IOException",
"Error encountered while skip bytes in input stream.");
}
}
return skipped;
}
offset -= skipped;
}
Vector<uint8_t> row;
if (row.resize(mRowStride) < 0) {
jniThrowException(mEnv, "java/lang/OutOfMemoryError", "Could not allocate row vector.");
return BAD_VALUE;
}
uint8_t* rowBytes = row.editArray();
for (uint32_t i = 0; i < mHeight; ++i) {
size_t rowFillAmt = 0;
size_t rowSize = mPixStride;
while (rowFillAmt < mRowStride) {
ssize_t bytesRead = mInput->read(rowBytes, rowFillAmt, rowSize);
if (bytesRead <= 0) {
if (bytesRead == NOT_ENOUGH_DATA || bytesRead == 0) {
jniThrowExceptionFmt(mEnv, "java/io/IOException",
"Early EOF encountered, not enough pixel data for image of size %u",
fullSize);
bytesRead = NOT_ENOUGH_DATA;
} else {
if (!mEnv->ExceptionCheck()) {
jniThrowException(mEnv, "java/io/IOException",
"Error encountered while reading");
}
}
return bytesRead;
}
rowFillAmt += bytesRead;
rowSize -= bytesRead;
}
if (mPixStride == mBytesPerSample * mSamplesPerPixel) {
ALOGV("%s: Using stream per-row write for strip.", __FUNCTION__);
if (stream.write(rowBytes, 0, mBytesPerSample * mSamplesPerPixel * mWidth) != OK ||
mEnv->ExceptionCheck()) {
if (!mEnv->ExceptionCheck()) {
jniThrowException(mEnv, "java/io/IOException", "Failed to write pixel data");
}
return BAD_VALUE;
}
} else {
ALOGV("%s: Using stream per-pixel write for strip.", __FUNCTION__);
jniThrowException(mEnv, "java/lang/IllegalStateException",
"Per-pixel strides are not supported for RAW16 -- pixels must be contiguous");
return BAD_VALUE;
// TODO: Add support for non-contiguous pixels if needed.
}
}
return OK;
}
uint32_t InputStripSource::getIfd() const {
return mIfd;
}
// End of InputStripSource
// ----------------------------------------------------------------------------
/**
* StripSource subclass for direct buffer types.
*
* This class is not intended to be used across JNI calls.
*/
class DirectStripSource : public StripSource, public LightRefBase<DirectStripSource> {
public:
DirectStripSource(JNIEnv* env, const uint8_t* pixelBytes, uint32_t ifd, uint32_t width,
uint32_t height, uint32_t pixStride, uint32_t rowStride, uint64_t offset,
uint32_t bytesPerSample, uint32_t samplesPerPixel);
virtual ~DirectStripSource();
virtual status_t writeToStream(Output& stream, uint32_t count);
virtual uint32_t getIfd() const;
protected:
uint32_t mIfd;
const uint8_t* mPixelBytes;
uint32_t mWidth;
uint32_t mHeight;
uint32_t mPixStride;
uint32_t mRowStride;
uint16_t mOffset;
JNIEnv* mEnv;
uint32_t mBytesPerSample;
uint32_t mSamplesPerPixel;
};
DirectStripSource::DirectStripSource(JNIEnv* env, const uint8_t* pixelBytes, uint32_t ifd,
uint32_t width, uint32_t height, uint32_t pixStride, uint32_t rowStride,
uint64_t offset, uint32_t bytesPerSample, uint32_t samplesPerPixel) : mIfd(ifd),
mPixelBytes(pixelBytes), mWidth(width), mHeight(height), mPixStride(pixStride),
mRowStride(rowStride), mOffset(offset), mEnv(env), mBytesPerSample(bytesPerSample),
mSamplesPerPixel(samplesPerPixel) {}
DirectStripSource::~DirectStripSource() {}
status_t DirectStripSource::writeToStream(Output& stream, uint32_t count) {
uint32_t fullSize = mWidth * mHeight * mBytesPerSample * mSamplesPerPixel;
if (fullSize != count) {
ALOGE("%s: Amount to write %u doesn't match image size %u", __FUNCTION__, count,
fullSize);
jniThrowException(mEnv, "java/lang/IllegalStateException", "Not enough data to write");
return BAD_VALUE;
}
if (mPixStride == mBytesPerSample * mSamplesPerPixel
&& mRowStride == mWidth * mBytesPerSample * mSamplesPerPixel) {
ALOGV("%s: Using direct single-pass write for strip.", __FUNCTION__);
if (stream.write(mPixelBytes, mOffset, fullSize) != OK || mEnv->ExceptionCheck()) {
if (!mEnv->ExceptionCheck()) {
jniThrowException(mEnv, "java/io/IOException", "Failed to write pixel data");
}
return BAD_VALUE;
}
} else if (mPixStride == mBytesPerSample * mSamplesPerPixel) {
ALOGV("%s: Using direct per-row write for strip.", __FUNCTION__);
for (size_t i = 0; i < mHeight; ++i) {
if (stream.write(mPixelBytes, mOffset + i * mRowStride, mPixStride * mWidth) != OK ||
mEnv->ExceptionCheck()) {
if (!mEnv->ExceptionCheck()) {
jniThrowException(mEnv, "java/io/IOException", "Failed to write pixel data");
}
return BAD_VALUE;
}
}
} else {
ALOGV("%s: Using direct per-pixel write for strip.", __FUNCTION__);
jniThrowException(mEnv, "java/lang/IllegalStateException",
"Per-pixel strides are not supported for RAW16 -- pixels must be contiguous");
return BAD_VALUE;
// TODO: Add support for non-contiguous pixels if needed.
}
return OK;
}
uint32_t DirectStripSource::getIfd() const {
return mIfd;
}
// End of DirectStripSource
// ----------------------------------------------------------------------------
static bool validateDngHeader(JNIEnv* env, TiffWriter* writer, jint width, jint height) {
bool hasThumbnail = writer->hasIfd(TIFF_IFD_SUB1);
// TODO: handle lens shading map, etc. conversions for other raw buffer sizes.
uint32_t metadataWidth = *(writer->getEntry(TAG_IMAGEWIDTH, (hasThumbnail) ? TIFF_IFD_SUB1 : TIFF_IFD_0)->getData<uint32_t>());
uint32_t metadataHeight = *(writer->getEntry(TAG_IMAGELENGTH, (hasThumbnail) ? TIFF_IFD_SUB1 : TIFF_IFD_0)->getData<uint32_t>());
if (width < 0 || metadataWidth != static_cast<uint32_t>(width)) {
jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", \
"Metadata width %d doesn't match image width %d", metadataWidth, width);
return false;
}
if (height < 0 || metadataHeight != static_cast<uint32_t>(height)) {
jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", \
"Metadata height %d doesn't match image height %d", metadataHeight, height);
return false;
}
return true;
}
static status_t moveEntries(TiffWriter* writer, uint32_t ifdFrom, uint32_t ifdTo,
const Vector<uint16_t>& entries) {
for (size_t i = 0; i < entries.size(); ++i) {
uint16_t tagId = entries[i];
sp<TiffEntry> entry = writer->getEntry(tagId, ifdFrom);
if (entry == NULL) {
ALOGE("%s: moveEntries failed, entry %u not found in IFD %u", __FUNCTION__, tagId,
ifdFrom);
return BAD_VALUE;
}
if (writer->addEntry(entry, ifdTo) != OK) {
ALOGE("%s: moveEntries failed, could not add entry %u to IFD %u", __FUNCTION__, tagId,
ifdFrom);
return BAD_VALUE;
}
writer->removeEntry(tagId, ifdFrom);
}
return OK;
}
// ----------------------------------------------------------------------------
extern "C" {
static NativeContext* DngCreator_getNativeContext(JNIEnv* env, jobject thiz) {
ALOGV("%s:", __FUNCTION__);
return reinterpret_cast<NativeContext*>(env->GetLongField(thiz,
gDngCreatorClassInfo.mNativeContext));
}
static void DngCreator_setNativeContext(JNIEnv* env, jobject thiz, sp<NativeContext> context) {
ALOGV("%s:", __FUNCTION__);
NativeContext* current = DngCreator_getNativeContext(env, thiz);
if (context != NULL) {
context->incStrong((void*) DngCreator_setNativeContext);
}
if (current) {
current->decStrong((void*) DngCreator_setNativeContext);
}
env->SetLongField(thiz, gDngCreatorClassInfo.mNativeContext,
reinterpret_cast<jlong>(context.get()));
}
static TiffWriter* DngCreator_getCreator(JNIEnv* env, jobject thiz) {
ALOGV("%s:", __FUNCTION__);
NativeContext* current = DngCreator_getNativeContext(env, thiz);
if (current) {
return current->getWriter();
}
return NULL;
}
static void DngCreator_nativeClassInit(JNIEnv* env, jclass clazz) {
ALOGV("%s:", __FUNCTION__);
gDngCreatorClassInfo.mNativeContext = env->GetFieldID(clazz,
ANDROID_DNGCREATOR_CTX_JNI_ID, "J");
LOG_ALWAYS_FATAL_IF(gDngCreatorClassInfo.mNativeContext == NULL,
"can't find android/hardware/camera2/DngCreator.%s",
ANDROID_DNGCREATOR_CTX_JNI_ID);
jclass outputStreamClazz = env->FindClass("java/io/OutputStream");
LOG_ALWAYS_FATAL_IF(outputStreamClazz == NULL, "Can't find java/io/OutputStream class");
gOutputStreamClassInfo.mWriteMethod = env->GetMethodID(outputStreamClazz, "write", "([BII)V");
LOG_ALWAYS_FATAL_IF(gOutputStreamClassInfo.mWriteMethod == NULL, "Can't find write method");
jclass inputStreamClazz = env->FindClass("java/io/InputStream");
LOG_ALWAYS_FATAL_IF(inputStreamClazz == NULL, "Can't find java/io/InputStream class");
gInputStreamClassInfo.mReadMethod = env->GetMethodID(inputStreamClazz, "read", "([BII)I");
LOG_ALWAYS_FATAL_IF(gInputStreamClassInfo.mReadMethod == NULL, "Can't find read method");
gInputStreamClassInfo.mSkipMethod = env->GetMethodID(inputStreamClazz, "skip", "(J)J");
LOG_ALWAYS_FATAL_IF(gInputStreamClassInfo.mSkipMethod == NULL, "Can't find skip method");
jclass inputBufferClazz = env->FindClass("java/nio/ByteBuffer");
LOG_ALWAYS_FATAL_IF(inputBufferClazz == NULL, "Can't find java/nio/ByteBuffer class");
gInputByteBufferClassInfo.mGetMethod = env->GetMethodID(inputBufferClazz, "get",
"([BII)Ljava/nio/ByteBuffer;");
LOG_ALWAYS_FATAL_IF(gInputByteBufferClassInfo.mGetMethod == NULL, "Can't find get method");
}
static void DngCreator_init(JNIEnv* env, jobject thiz, jobject characteristicsPtr,
jobject resultsPtr, jstring formattedCaptureTime) {
ALOGV("%s:", __FUNCTION__);
CameraMetadata characteristics;
CameraMetadata results;
if (CameraMetadata_getNativeMetadata(env, characteristicsPtr, &characteristics) != OK) {
jniThrowException(env, "java/lang/AssertionError",
"No native metadata defined for camera characteristics.");
return;
}
if (CameraMetadata_getNativeMetadata(env, resultsPtr, &results) != OK) {
jniThrowException(env, "java/lang/AssertionError",
"No native metadata defined for capture results.");
return;
}
sp<NativeContext> nativeContext = new NativeContext();
TiffWriter* writer = nativeContext->getWriter();
writer->addIfd(TIFF_IFD_0);
status_t err = OK;
const uint32_t samplesPerPixel = 1;
const uint32_t bitsPerSample = BITS_PER_SAMPLE;
const uint32_t bitsPerByte = BITS_PER_SAMPLE / BYTES_PER_SAMPLE;
uint32_t imageWidth = 0;
uint32_t imageHeight = 0;
OpcodeListBuilder::CfaLayout opcodeCfaLayout = OpcodeListBuilder::CFA_RGGB;
// TODO: Greensplit.
// TODO: Add remaining non-essential tags
// Setup main image tags
{
// Set orientation
uint16_t orientation = 1; // Normal
BAIL_IF_INVALID(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_0), env,
TAG_ORIENTATION, writer);
}
{
// Set subfiletype
uint32_t subfileType = 0; // Main image
BAIL_IF_INVALID(writer->addEntry(TAG_NEWSUBFILETYPE, 1, &subfileType, TIFF_IFD_0), env,
TAG_NEWSUBFILETYPE, writer);
}
{
// Set bits per sample
uint16_t bits = static_cast<uint16_t>(bitsPerSample);
BAIL_IF_INVALID(writer->addEntry(TAG_BITSPERSAMPLE, 1, &bits, TIFF_IFD_0), env,
TAG_BITSPERSAMPLE, writer);
}
{
// Set compression
uint16_t compression = 1; // None
BAIL_IF_INVALID(writer->addEntry(TAG_COMPRESSION, 1, &compression, TIFF_IFD_0), env,
TAG_COMPRESSION, writer);
}
{
// Set dimensions
camera_metadata_entry entry =
characteristics.find(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE);
BAIL_IF_EMPTY(entry, env, TAG_IMAGEWIDTH, writer);
uint32_t width = static_cast<uint32_t>(entry.data.i32[2]);
uint32_t height = static_cast<uint32_t>(entry.data.i32[3]);
BAIL_IF_INVALID(writer->addEntry(TAG_IMAGEWIDTH, 1, &width, TIFF_IFD_0), env,
TAG_IMAGEWIDTH, writer);
BAIL_IF_INVALID(writer->addEntry(TAG_IMAGELENGTH, 1, &height, TIFF_IFD_0), env,
TAG_IMAGELENGTH, writer);
imageWidth = width;
imageHeight = height;
}
{
// Set photometric interpretation
uint16_t interpretation = 32803; // CFA
BAIL_IF_INVALID(writer->addEntry(TAG_PHOTOMETRICINTERPRETATION, 1, &interpretation,
TIFF_IFD_0), env, TAG_PHOTOMETRICINTERPRETATION, writer);
}
{
// Set blacklevel tags
camera_metadata_entry entry =
characteristics.find(ANDROID_SENSOR_BLACK_LEVEL_PATTERN);
BAIL_IF_EMPTY(entry, env, TAG_BLACKLEVEL, writer);
const uint32_t* blackLevel = reinterpret_cast<const uint32_t*>(entry.data.i32);
BAIL_IF_INVALID(writer->addEntry(TAG_BLACKLEVEL, entry.count, blackLevel, TIFF_IFD_0), env,
TAG_BLACKLEVEL, writer);
uint16_t repeatDim[2] = {2, 2};
BAIL_IF_INVALID(writer->addEntry(TAG_BLACKLEVELREPEATDIM, 2, repeatDim, TIFF_IFD_0), env,
TAG_BLACKLEVELREPEATDIM, writer);
}
{
// Set samples per pixel
uint16_t samples = static_cast<uint16_t>(samplesPerPixel);
BAIL_IF_INVALID(writer->addEntry(TAG_SAMPLESPERPIXEL, 1, &samples, TIFF_IFD_0),
env, TAG_SAMPLESPERPIXEL, writer);
}
{
// Set planar configuration
uint16_t config = 1; // Chunky
BAIL_IF_INVALID(writer->addEntry(TAG_PLANARCONFIGURATION, 1, &config, TIFF_IFD_0),
env, TAG_PLANARCONFIGURATION, writer);
}
{
// Set CFA pattern dimensions
uint16_t repeatDim[2] = {2, 2};
BAIL_IF_INVALID(writer->addEntry(TAG_CFAREPEATPATTERNDIM, 2, repeatDim, TIFF_IFD_0),
env, TAG_CFAREPEATPATTERNDIM, writer);
}
{
// Set CFA pattern
camera_metadata_entry entry =
characteristics.find(ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT);
BAIL_IF_EMPTY(entry, env, TAG_CFAPATTERN, writer);
camera_metadata_enum_android_sensor_info_color_filter_arrangement_t cfa =
static_cast<camera_metadata_enum_android_sensor_info_color_filter_arrangement_t>(
entry.data.u8[0]);
switch(cfa) {
case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB: {
uint8_t cfa[4] = {0, 1, 1, 2};
BAIL_IF_INVALID(writer->addEntry(TAG_CFAPATTERN, 4, cfa, TIFF_IFD_0),
env, TAG_CFAPATTERN, writer);
opcodeCfaLayout = OpcodeListBuilder::CFA_RGGB;
break;
}
case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG: {
uint8_t cfa[4] = {1, 0, 2, 1};
BAIL_IF_INVALID(writer->addEntry(TAG_CFAPATTERN, 4, cfa, TIFF_IFD_0),
env, TAG_CFAPATTERN, writer);
opcodeCfaLayout = OpcodeListBuilder::CFA_GRBG;
break;
}
case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG: {
uint8_t cfa[4] = {1, 2, 0, 1};
BAIL_IF_INVALID(writer->addEntry(TAG_CFAPATTERN, 4, cfa, TIFF_IFD_0),
env, TAG_CFAPATTERN, writer);
opcodeCfaLayout = OpcodeListBuilder::CFA_GBRG;
break;
}
case ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR: {
uint8_t cfa[4] = {2, 1, 1, 0};
BAIL_IF_INVALID(writer->addEntry(TAG_CFAPATTERN, 4, cfa, TIFF_IFD_0),
env, TAG_CFAPATTERN, writer);
opcodeCfaLayout = OpcodeListBuilder::CFA_BGGR;
break;
}
default: {
jniThrowExceptionFmt(env, "java/lang/IllegalStateException",
"Invalid metadata for tag %d", TAG_CFAPATTERN);
return;
}
}
}
{
// Set CFA plane color
uint8_t cfaPlaneColor[3] = {0, 1, 2};
BAIL_IF_INVALID(writer->addEntry(TAG_CFAPLANECOLOR, 3, cfaPlaneColor, TIFF_IFD_0),
env, TAG_CFAPLANECOLOR, writer);
}
{
// Set CFA layout
uint16_t cfaLayout = 1;
BAIL_IF_INVALID(writer->addEntry(TAG_CFALAYOUT, 1, &cfaLayout, TIFF_IFD_0),
env, TAG_CFALAYOUT, writer);
}
{
// image description
uint8_t imageDescription = '\0'; // empty
BAIL_IF_INVALID(writer->addEntry(TAG_IMAGEDESCRIPTION, 1, &imageDescription, TIFF_IFD_0),
env, TAG_IMAGEDESCRIPTION, writer);
}
{
// make
char manufacturer[PROPERTY_VALUE_MAX];
// Use "" to represent unknown make as suggested in TIFF/EP spec.
property_get("ro.product.manufacturer", manufacturer, "");
uint32_t count = static_cast<uint32_t>(strlen(manufacturer)) + 1;
BAIL_IF_INVALID(writer->addEntry(TAG_MAKE, count, reinterpret_cast<uint8_t*>(manufacturer),
TIFF_IFD_0), env, TAG_MAKE, writer);
}
{
// model
char model[PROPERTY_VALUE_MAX];
// Use "" to represent unknown model as suggested in TIFF/EP spec.
property_get("ro.product.model", model, "");
uint32_t count = static_cast<uint32_t>(strlen(model)) + 1;
BAIL_IF_INVALID(writer->addEntry(TAG_MODEL, count, reinterpret_cast<uint8_t*>(model),
TIFF_IFD_0), env, TAG_MODEL, writer);
}
{
// x resolution
uint32_t xres[] = { 72, 1 }; // default 72 ppi
BAIL_IF_INVALID(writer->addEntry(TAG_XRESOLUTION, 1, xres, TIFF_IFD_0),
env, TAG_XRESOLUTION, writer);
// y resolution
uint32_t yres[] = { 72, 1 }; // default 72 ppi
BAIL_IF_INVALID(writer->addEntry(TAG_YRESOLUTION, 1, yres, TIFF_IFD_0),
env, TAG_YRESOLUTION, writer);
uint16_t unit = 2; // inches
BAIL_IF_INVALID(writer->addEntry(TAG_RESOLUTIONUNIT, 1, &unit, TIFF_IFD_0),
env, TAG_RESOLUTIONUNIT, writer);
}
{
// software
char software[PROPERTY_VALUE_MAX];
property_get("ro.build.fingerprint", software, "");
uint32_t count = static_cast<uint32_t>(strlen(software)) + 1;
BAIL_IF_INVALID(writer->addEntry(TAG_SOFTWARE, count, reinterpret_cast<uint8_t*>(software),
TIFF_IFD_0), env, TAG_SOFTWARE, writer);
}
{
// datetime
const size_t DATETIME_COUNT = 20;
const char* captureTime = env->GetStringUTFChars(formattedCaptureTime, NULL);
size_t len = strlen(captureTime) + 1;
if (len != DATETIME_COUNT) {
jniThrowException(env, "java/lang/IllegalArgumentException",
"Timestamp string length is not required 20 characters");
return;
}
if (writer->addEntry(TAG_DATETIME, DATETIME_COUNT,
reinterpret_cast<const uint8_t*>(captureTime), TIFF_IFD_0) != OK) {
env->ReleaseStringUTFChars(formattedCaptureTime, captureTime);
jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException",
"Invalid metadata for tag %x", TAG_DATETIME);
return;
}
// datetime original
if (writer->addEntry(TAG_DATETIMEORIGINAL, DATETIME_COUNT,
reinterpret_cast<const uint8_t*>(captureTime), TIFF_IFD_0) != OK) {
env->ReleaseStringUTFChars(formattedCaptureTime, captureTime);
jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException",
"Invalid metadata for tag %x", TAG_DATETIMEORIGINAL);
return;
}
env->ReleaseStringUTFChars(formattedCaptureTime, captureTime);
}
{
// TIFF/EP standard id
uint8_t standardId[] = { 1, 0, 0, 0 };
BAIL_IF_INVALID(writer->addEntry(TAG_TIFFEPSTANDARDID, 4, standardId,
TIFF_IFD_0), env, TAG_TIFFEPSTANDARDID, writer);
}
{
// copyright
uint8_t copyright = '\0'; // empty
BAIL_IF_INVALID(writer->addEntry(TAG_COPYRIGHT, 1, &copyright,
TIFF_IFD_0), env, TAG_COPYRIGHT, writer);
}
{
// exposure time
camera_metadata_entry entry =
results.find(ANDROID_SENSOR_EXPOSURE_TIME);
BAIL_IF_EMPTY(entry, env, TAG_EXPOSURETIME, writer);
int64_t exposureTime = *(entry.data.i64);
if (exposureTime < 0) {
// Should be unreachable
jniThrowException(env, "java/lang/IllegalArgumentException",
"Negative exposure time in metadata");
return;
}
// Ensure exposure time doesn't overflow (for exposures > 4s)
uint32_t denominator = 1000000000;
while (exposureTime > UINT32_MAX) {
exposureTime >>= 1;
denominator >>= 1;
if (denominator == 0) {
// Should be unreachable
jniThrowException(env, "java/lang/IllegalArgumentException",
"Exposure time too long");
return;
}
}
uint32_t exposure[] = { static_cast<uint32_t>(exposureTime), denominator };
BAIL_IF_INVALID(writer->addEntry(TAG_EXPOSURETIME, 1, exposure,
TIFF_IFD_0), env, TAG_EXPOSURETIME, writer);
}
{
// ISO speed ratings
camera_metadata_entry entry =
results.find(ANDROID_SENSOR_SENSITIVITY);
BAIL_IF_EMPTY(entry, env, TAG_ISOSPEEDRATINGS, writer);
int32_t tempIso = *(entry.data.i32);
if (tempIso < 0) {
jniThrowException(env, "java/lang/IllegalArgumentException",
"Negative ISO value");
return;
}
if (tempIso > UINT16_MAX) {
ALOGW("%s: ISO value overflows UINT16_MAX, clamping to max", __FUNCTION__);
tempIso = UINT16_MAX;
}
uint16_t iso = static_cast<uint16_t>(tempIso);
BAIL_IF_INVALID(writer->addEntry(TAG_ISOSPEEDRATINGS, 1, &iso,
TIFF_IFD_0), env, TAG_ISOSPEEDRATINGS, writer);
}
{
// focal length
camera_metadata_entry entry =
results.find(ANDROID_LENS_FOCAL_LENGTH);
BAIL_IF_EMPTY(entry, env, TAG_FOCALLENGTH, writer);
uint32_t focalLength[] = { static_cast<uint32_t>(*(entry.data.f) * 100), 100 };
BAIL_IF_INVALID(writer->addEntry(TAG_FOCALLENGTH, 1, focalLength,
TIFF_IFD_0), env, TAG_FOCALLENGTH, writer);
}
{
// f number
camera_metadata_entry entry =
results.find(ANDROID_LENS_APERTURE);
BAIL_IF_EMPTY(entry, env, TAG_FNUMBER, writer);
uint32_t fnum[] = { static_cast<uint32_t>(*(entry.data.f) * 100), 100 };
BAIL_IF_INVALID(writer->addEntry(TAG_FNUMBER, 1, fnum,
TIFF_IFD_0), env, TAG_FNUMBER, writer);
}
{
// Set DNG version information
uint8_t version[4] = {1, 4, 0, 0};
BAIL_IF_INVALID(writer->addEntry(TAG_DNGVERSION, 4, version, TIFF_IFD_0),
env, TAG_DNGVERSION, writer);
uint8_t backwardVersion[4] = {1, 1, 0, 0};
BAIL_IF_INVALID(writer->addEntry(TAG_DNGBACKWARDVERSION, 4, backwardVersion, TIFF_IFD_0),
env, TAG_DNGBACKWARDVERSION, writer);
}
{
// Set whitelevel
camera_metadata_entry entry =
characteristics.find(ANDROID_SENSOR_INFO_WHITE_LEVEL);
BAIL_IF_EMPTY(entry, env, TAG_WHITELEVEL, writer);
uint32_t whiteLevel = static_cast<uint32_t>(entry.data.i32[0]);
BAIL_IF_INVALID(writer->addEntry(TAG_WHITELEVEL, 1, &whiteLevel, TIFF_IFD_0), env,
TAG_WHITELEVEL, writer);
}
{
// Set default scale
uint32_t defaultScale[4] = {1, 1, 1, 1};
BAIL_IF_INVALID(writer->addEntry(TAG_DEFAULTSCALE, 2, defaultScale, TIFF_IFD_0),
env, TAG_DEFAULTSCALE, writer);
}
bool singleIlluminant = false;
{
// Set calibration illuminants
camera_metadata_entry entry1 =
characteristics.find(ANDROID_SENSOR_REFERENCE_ILLUMINANT1);
BAIL_IF_EMPTY(entry1, env, TAG_CALIBRATIONILLUMINANT1, writer);
camera_metadata_entry entry2 =
characteristics.find(ANDROID_SENSOR_REFERENCE_ILLUMINANT2);
if (entry2.count == 0) {
singleIlluminant = true;
}
uint16_t ref1 = entry1.data.u8[0];
BAIL_IF_INVALID(writer->addEntry(TAG_CALIBRATIONILLUMINANT1, 1, &ref1,
TIFF_IFD_0), env, TAG_CALIBRATIONILLUMINANT1, writer);
if (!singleIlluminant) {
uint16_t ref2 = entry2.data.u8[0];
BAIL_IF_INVALID(writer->addEntry(TAG_CALIBRATIONILLUMINANT2, 1, &ref2,
TIFF_IFD_0), env, TAG_CALIBRATIONILLUMINANT2, writer);
}
}
{
// Set color transforms
camera_metadata_entry entry1 =
characteristics.find(ANDROID_SENSOR_COLOR_TRANSFORM1);
BAIL_IF_EMPTY(entry1, env, TAG_COLORMATRIX1, writer);
int32_t colorTransform1[entry1.count * 2];
size_t ctr = 0;
for(size_t i = 0; i < entry1.count; ++i) {
colorTransform1[ctr++] = entry1.data.r[i].numerator;
colorTransform1[ctr++] = entry1.data.r[i].denominator;
}
BAIL_IF_INVALID(writer->addEntry(TAG_COLORMATRIX1, entry1.count, colorTransform1,
TIFF_IFD_0), env, TAG_COLORMATRIX1, writer);
if (!singleIlluminant) {
camera_metadata_entry entry2 = characteristics.find(ANDROID_SENSOR_COLOR_TRANSFORM2);
BAIL_IF_EMPTY(entry2, env, TAG_COLORMATRIX2, writer);
int32_t colorTransform2[entry2.count * 2];
ctr = 0;
for(size_t i = 0; i < entry2.count; ++i) {
colorTransform2[ctr++] = entry2.data.r[i].numerator;
colorTransform2[ctr++] = entry2.data.r[i].denominator;
}
BAIL_IF_INVALID(writer->addEntry(TAG_COLORMATRIX2, entry2.count, colorTransform2,
TIFF_IFD_0), env, TAG_COLORMATRIX2, writer);
}
}
{
// Set calibration transforms
camera_metadata_entry entry1 =
characteristics.find(ANDROID_SENSOR_CALIBRATION_TRANSFORM1);
BAIL_IF_EMPTY(entry1, env, TAG_CAMERACALIBRATION1, writer);
int32_t calibrationTransform1[entry1.count * 2];
size_t ctr = 0;
for(size_t i = 0; i < entry1.count; ++i) {
calibrationTransform1[ctr++] = entry1.data.r[i].numerator;
calibrationTransform1[ctr++] = entry1.data.r[i].denominator;
}
BAIL_IF_INVALID(writer->addEntry(TAG_CAMERACALIBRATION1, entry1.count,
calibrationTransform1, TIFF_IFD_0), env, TAG_CAMERACALIBRATION1, writer);
if (!singleIlluminant) {
camera_metadata_entry entry2 =
characteristics.find(ANDROID_SENSOR_CALIBRATION_TRANSFORM2);
BAIL_IF_EMPTY(entry2, env, TAG_CAMERACALIBRATION2, writer);
int32_t calibrationTransform2[entry2.count * 2];
ctr = 0;
for(size_t i = 0; i < entry2.count; ++i) {
calibrationTransform2[ctr++] = entry2.data.r[i].numerator;
calibrationTransform2[ctr++] = entry2.data.r[i].denominator;
}
BAIL_IF_INVALID(writer->addEntry(TAG_CAMERACALIBRATION2, entry2.count,
calibrationTransform1, TIFF_IFD_0), env, TAG_CAMERACALIBRATION2, writer);
}
}
{
// Set forward transforms
camera_metadata_entry entry1 =
characteristics.find(ANDROID_SENSOR_FORWARD_MATRIX1);
BAIL_IF_EMPTY(entry1, env, TAG_FORWARDMATRIX1, writer);
int32_t forwardTransform1[entry1.count * 2];
size_t ctr = 0;
for(size_t i = 0; i < entry1.count; ++i) {
forwardTransform1[ctr++] = entry1.data.r[i].numerator;
forwardTransform1[ctr++] = entry1.data.r[i].denominator;
}
BAIL_IF_INVALID(writer->addEntry(TAG_FORWARDMATRIX1, entry1.count, forwardTransform1,
TIFF_IFD_0), env, TAG_FORWARDMATRIX1, writer);
if (!singleIlluminant) {
camera_metadata_entry entry2 =
characteristics.find(ANDROID_SENSOR_FORWARD_MATRIX2);
BAIL_IF_EMPTY(entry2, env, TAG_FORWARDMATRIX2, writer);
int32_t forwardTransform2[entry2.count * 2];
ctr = 0;
for(size_t i = 0; i < entry2.count; ++i) {
forwardTransform2[ctr++] = entry2.data.r[i].numerator;
forwardTransform2[ctr++] = entry2.data.r[i].denominator;
}
BAIL_IF_INVALID(writer->addEntry(TAG_FORWARDMATRIX2, entry2.count, forwardTransform2,
TIFF_IFD_0), env, TAG_FORWARDMATRIX2, writer);
}
}
{
// Set camera neutral
camera_metadata_entry entry =
results.find(ANDROID_SENSOR_NEUTRAL_COLOR_POINT);
BAIL_IF_EMPTY(entry, env, TAG_ASSHOTNEUTRAL, writer);
uint32_t cameraNeutral[entry.count * 2];
size_t ctr = 0;
for(size_t i = 0; i < entry.count; ++i) {
cameraNeutral[ctr++] =
static_cast<uint32_t>(entry.data.r[i].numerator);
cameraNeutral[ctr++] =
static_cast<uint32_t>(entry.data.r[i].denominator);
}
BAIL_IF_INVALID(writer->addEntry(TAG_ASSHOTNEUTRAL, entry.count, cameraNeutral,
TIFF_IFD_0), env, TAG_ASSHOTNEUTRAL, writer);
}
{
// Setup data strips
// TODO: Switch to tiled implementation.
if (writer->addStrip(TIFF_IFD_0) != OK) {
ALOGE("%s: Could not setup strip tags.", __FUNCTION__);
jniThrowException(env, "java/lang/IllegalStateException",
"Failed to setup strip tags.");
return;
}
}
{
// Setup default crop + crop origin tags
uint32_t margin = 8; // Default margin recommended by Adobe for interpolation.
uint32_t dimensionLimit = 128; // Smallest image dimension crop margin from.
if (imageWidth >= dimensionLimit && imageHeight >= dimensionLimit) {
uint32_t defaultCropOrigin[] = {margin, margin};
uint32_t defaultCropSize[] = {imageWidth - margin, imageHeight - margin};
BAIL_IF_INVALID(writer->addEntry(TAG_DEFAULTCROPORIGIN, 2, defaultCropOrigin,
TIFF_IFD_0), env, TAG_DEFAULTCROPORIGIN, writer);
BAIL_IF_INVALID(writer->addEntry(TAG_DEFAULTCROPSIZE, 2, defaultCropSize,
TIFF_IFD_0), env, TAG_DEFAULTCROPSIZE, writer);
}
}
{
// Setup unique camera model tag
char model[PROPERTY_VALUE_MAX];
property_get("ro.product.model", model, "");
char manufacturer[PROPERTY_VALUE_MAX];
property_get("ro.product.manufacturer", manufacturer, "");
char brand[PROPERTY_VALUE_MAX];
property_get("ro.product.brand", brand, "");
String8 cameraModel(model);
cameraModel += "-";
cameraModel += manufacturer;
cameraModel += "-";
cameraModel += brand;
BAIL_IF_INVALID(writer->addEntry(TAG_UNIQUECAMERAMODEL, cameraModel.size() + 1,
reinterpret_cast<const uint8_t*>(cameraModel.string()), TIFF_IFD_0), env,
TAG_UNIQUECAMERAMODEL, writer);
}
{
// Setup sensor noise model
camera_metadata_entry entry =
results.find(ANDROID_SENSOR_NOISE_PROFILE);
if (entry.count > 0) {
BAIL_IF_INVALID(writer->addEntry(TAG_NOISEPROFILE, entry.count,
entry.data.d, TIFF_IFD_0), env,
TAG_NOISEPROFILE, writer);
} else {
ALOGW("%s: No noise profile found in result metadata. Image quality may be reduced.",
__FUNCTION__);
}
}
{
// Setup opcode List 2
camera_metadata_entry entry1 =
characteristics.find(ANDROID_LENS_INFO_SHADING_MAP_SIZE);
uint32_t lsmWidth = 0;
uint32_t lsmHeight = 0;
if (entry1.count != 0) {
lsmWidth = static_cast<uint32_t>(entry1.data.i32[0]);
lsmHeight = static_cast<uint32_t>(entry1.data.i32[1]);
}
camera_metadata_entry entry2 =
results.find(ANDROID_STATISTICS_LENS_SHADING_MAP);
if (entry2.count > 0 && entry2.count == lsmWidth * lsmHeight * 4) {
OpcodeListBuilder builder;
status_t err = builder.addGainMapsForMetadata(lsmWidth,
lsmHeight,
0,
0,
imageHeight,
imageWidth,
opcodeCfaLayout,
entry2.data.f);
if (err == OK) {
size_t listSize = builder.getSize();
uint8_t opcodeListBuf[listSize];
err = builder.buildOpList(opcodeListBuf);
if (err == OK) {
BAIL_IF_INVALID(writer->addEntry(TAG_OPCODELIST2, listSize, opcodeListBuf,
TIFF_IFD_0), env, TAG_OPCODELIST2, writer);
} else {
ALOGE("%s: Could not build Lens shading map opcode.", __FUNCTION__);
jniThrowRuntimeException(env, "failed to construct lens shading map opcode.");
}
} else {
ALOGE("%s: Could not add Lens shading map.", __FUNCTION__);
jniThrowRuntimeException(env, "failed to add lens shading map.");
}
} else {
ALOGW("%s: No lens shading map found in result metadata. Image quality may be reduced.",
__FUNCTION__);
}
}
DngCreator_setNativeContext(env, thiz, nativeContext);
}
static void DngCreator_destroy(JNIEnv* env, jobject thiz) {
ALOGV("%s:", __FUNCTION__);
DngCreator_setNativeContext(env, thiz, NULL);
}
static void DngCreator_nativeSetOrientation(JNIEnv* env, jobject thiz, jint orient) {
ALOGV("%s:", __FUNCTION__);
TiffWriter* writer = DngCreator_getCreator(env, thiz);
if (writer == NULL) {
ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__);
jniThrowException(env, "java/lang/AssertionError",
"setOrientation called with uninitialized DngCreator");
return;
}
uint16_t orientation = static_cast<uint16_t>(orient);
BAIL_IF_INVALID(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_0), env,
TAG_ORIENTATION, writer);
// Set main image orientation also if in a separate IFD
if (writer->hasIfd(TIFF_IFD_SUB1)) {
BAIL_IF_INVALID(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_SUB1), env,
TAG_ORIENTATION, writer);
}
}
static void DngCreator_nativeSetDescription(JNIEnv* env, jobject thiz, jstring description) {
ALOGV("%s:", __FUNCTION__);
TiffWriter* writer = DngCreator_getCreator(env, thiz);
if (writer == NULL) {
ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__);
jniThrowException(env, "java/lang/AssertionError",
"setDescription called with uninitialized DngCreator");
return;
}
const char* desc = env->GetStringUTFChars(description, NULL);
size_t len = strlen(desc) + 1;
if (writer->addEntry(TAG_IMAGEDESCRIPTION, len,
reinterpret_cast<const uint8_t*>(desc), TIFF_IFD_0) != OK) {
jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException",
"Invalid metadata for tag %x", TAG_IMAGEDESCRIPTION);
}
env->ReleaseStringUTFChars(description, desc);
}
static void DngCreator_nativeSetGpsTags(JNIEnv* env, jobject thiz, jintArray latTag, jstring latRef,
jintArray longTag, jstring longRef, jstring dateTag, jintArray timeTag) {
ALOGV("%s:", __FUNCTION__);
TiffWriter* writer = DngCreator_getCreator(env, thiz);
if (writer == NULL) {
ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__);
jniThrowException(env, "java/lang/AssertionError",
"setGpsTags called with uninitialized DngCreator");
return;
}
if (!writer->hasIfd(TIFF_IFD_GPSINFO)) {
if (writer->addSubIfd(TIFF_IFD_0, TIFF_IFD_GPSINFO, TiffWriter::GPSINFO) != OK) {
ALOGE("%s: Failed to add GpsInfo IFD %u to IFD %u", __FUNCTION__, TIFF_IFD_GPSINFO,
TIFF_IFD_0);
jniThrowException(env, "java/lang/IllegalStateException", "Failed to add GPSINFO");
return;
}
}
const jsize GPS_VALUE_LENGTH = 6;
jsize latLen = env->GetArrayLength(latTag);
jsize longLen = env->GetArrayLength(longTag);
jsize timeLen = env->GetArrayLength(timeTag);
if (latLen != GPS_VALUE_LENGTH) {
jniThrowException(env, "java/lang/IllegalArgumentException",
"invalid latitude tag length");
return;
} else if (longLen != GPS_VALUE_LENGTH) {
jniThrowException(env, "java/lang/IllegalArgumentException",
"invalid longitude tag length");
return;
} else if (timeLen != GPS_VALUE_LENGTH) {
jniThrowException(env, "java/lang/IllegalArgumentException",
"invalid time tag length");
return;
}
uint32_t latitude[GPS_VALUE_LENGTH];
uint32_t longitude[GPS_VALUE_LENGTH];
uint32_t timestamp[GPS_VALUE_LENGTH];
env->GetIntArrayRegion(latTag, 0, static_cast<jsize>(GPS_VALUE_LENGTH),
reinterpret_cast<jint*>(&latitude));
env->GetIntArrayRegion(longTag, 0, static_cast<jsize>(GPS_VALUE_LENGTH),
reinterpret_cast<jint*>(&longitude));
env->GetIntArrayRegion(timeTag, 0, static_cast<jsize>(GPS_VALUE_LENGTH),
reinterpret_cast<jint*>(&timestamp));
const jsize GPS_REF_LENGTH = 2;
const jsize GPS_DATE_LENGTH = 11;
uint8_t latitudeRef[GPS_REF_LENGTH];
uint8_t longitudeRef[GPS_REF_LENGTH];
uint8_t date[GPS_DATE_LENGTH];
env->GetStringUTFRegion(latRef, 0, 1, reinterpret_cast<char*>(&latitudeRef));
latitudeRef[GPS_REF_LENGTH - 1] = '\0';
env->GetStringUTFRegion(longRef, 0, 1, reinterpret_cast<char*>(&longitudeRef));
longitudeRef[GPS_REF_LENGTH - 1] = '\0';
env->GetStringUTFRegion(dateTag, 0, GPS_DATE_LENGTH - 1, reinterpret_cast<char*>(&date));
date[GPS_DATE_LENGTH - 1] = '\0';
{
uint8_t version[] = {2, 3, 0, 0};
BAIL_IF_INVALID(writer->addEntry(TAG_GPSVERSIONID, 4, version,
TIFF_IFD_GPSINFO), env, TAG_GPSVERSIONID, writer);
}
{
BAIL_IF_INVALID(writer->addEntry(TAG_GPSLATITUDEREF, GPS_REF_LENGTH, latitudeRef,
TIFF_IFD_GPSINFO), env, TAG_GPSLATITUDEREF, writer);
}
{
BAIL_IF_INVALID(writer->addEntry(TAG_GPSLONGITUDEREF, GPS_REF_LENGTH, longitudeRef,
TIFF_IFD_GPSINFO), env, TAG_GPSLONGITUDEREF, writer);
}
{
BAIL_IF_INVALID(writer->addEntry(TAG_GPSLATITUDE, 3, latitude,
TIFF_IFD_GPSINFO), env, TAG_GPSLATITUDE, writer);
}
{
BAIL_IF_INVALID(writer->addEntry(TAG_GPSLONGITUDE, 3, longitude,
TIFF_IFD_GPSINFO), env, TAG_GPSLONGITUDE, writer);
}
{
BAIL_IF_INVALID(writer->addEntry(TAG_GPSTIMESTAMP, 3, timestamp,
TIFF_IFD_GPSINFO), env, TAG_GPSTIMESTAMP, writer);
}
{
BAIL_IF_INVALID(writer->addEntry(TAG_GPSDATESTAMP, GPS_DATE_LENGTH, date,
TIFF_IFD_GPSINFO), env, TAG_GPSDATESTAMP, writer);
}
}
static void DngCreator_nativeSetThumbnail(JNIEnv* env, jobject thiz, jobject buffer, jint width,
jint height) {
ALOGV("%s:", __FUNCTION__);
NativeContext* context = DngCreator_getNativeContext(env, thiz);
TiffWriter* writer = DngCreator_getCreator(env, thiz);
if (writer == NULL || context == NULL) {
ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__);
jniThrowException(env, "java/lang/AssertionError",
"setThumbnail called with uninitialized DngCreator");
return;
}
size_t fullSize = width * height * BYTES_PER_RGB_PIXEL;
jlong capacity = env->GetDirectBufferCapacity(buffer);
if (capacity != fullSize) {
jniThrowExceptionFmt(env, "java/lang/AssertionError",
"Invalid size %d for thumbnail, expected size was %d",
capacity, fullSize);
return;
}
uint8_t* pixelBytes = reinterpret_cast<uint8_t*>(env->GetDirectBufferAddress(buffer));
if (pixelBytes == NULL) {
ALOGE("%s: Could not get native ByteBuffer", __FUNCTION__);
jniThrowException(env, "java/lang/IllegalArgumentException", "Invalid ByteBuffer");
return;
}
if (!writer->hasIfd(TIFF_IFD_SUB1)) {
if (writer->addSubIfd(TIFF_IFD_0, TIFF_IFD_SUB1) != OK) {
ALOGE("%s: Failed to add SubIFD %u to IFD %u", __FUNCTION__, TIFF_IFD_SUB1,
TIFF_IFD_0);
jniThrowException(env, "java/lang/IllegalStateException", "Failed to add SubIFD");
return;
}
Vector<uint16_t> tagsToMove;
tagsToMove.add(TAG_ORIENTATION);
tagsToMove.add(TAG_NEWSUBFILETYPE);
tagsToMove.add(TAG_BITSPERSAMPLE);
tagsToMove.add(TAG_COMPRESSION);
tagsToMove.add(TAG_IMAGEWIDTH);
tagsToMove.add(TAG_IMAGELENGTH);
tagsToMove.add(TAG_PHOTOMETRICINTERPRETATION);
tagsToMove.add(TAG_BLACKLEVEL);
tagsToMove.add(TAG_BLACKLEVELREPEATDIM);
tagsToMove.add(TAG_SAMPLESPERPIXEL);
tagsToMove.add(TAG_PLANARCONFIGURATION);
tagsToMove.add(TAG_CFAREPEATPATTERNDIM);
tagsToMove.add(TAG_CFAPATTERN);
tagsToMove.add(TAG_CFAPLANECOLOR);
tagsToMove.add(TAG_CFALAYOUT);
tagsToMove.add(TAG_XRESOLUTION);
tagsToMove.add(TAG_YRESOLUTION);
tagsToMove.add(TAG_RESOLUTIONUNIT);
tagsToMove.add(TAG_WHITELEVEL);
tagsToMove.add(TAG_DEFAULTSCALE);
tagsToMove.add(TAG_ROWSPERSTRIP);
tagsToMove.add(TAG_STRIPBYTECOUNTS);
tagsToMove.add(TAG_STRIPOFFSETS);
tagsToMove.add(TAG_DEFAULTCROPORIGIN);
tagsToMove.add(TAG_DEFAULTCROPSIZE);
tagsToMove.add(TAG_OPCODELIST2);
if (moveEntries(writer, TIFF_IFD_0, TIFF_IFD_SUB1, tagsToMove) != OK) {
jniThrowException(env, "java/lang/IllegalStateException", "Failed to move entries");
return;
}
// Make sure both IFDs get the same orientation tag
sp<TiffEntry> orientEntry = writer->getEntry(TAG_ORIENTATION, TIFF_IFD_SUB1);
if (orientEntry != NULL) {
writer->addEntry(orientEntry, TIFF_IFD_0);
}
}
// Setup thumbnail tags
{
// Set photometric interpretation
uint16_t interpretation = 2; // RGB
BAIL_IF_INVALID(writer->addEntry(TAG_PHOTOMETRICINTERPRETATION, 1, &interpretation,
TIFF_IFD_0), env, TAG_PHOTOMETRICINTERPRETATION, writer);
}
{
// Set planar configuration
uint16_t config = 1; // Chunky
BAIL_IF_INVALID(writer->addEntry(TAG_PLANARCONFIGURATION, 1, &config, TIFF_IFD_0),
env, TAG_PLANARCONFIGURATION, writer);
}
{
// Set samples per pixel
uint16_t samples = SAMPLES_PER_RGB_PIXEL;
BAIL_IF_INVALID(writer->addEntry(TAG_SAMPLESPERPIXEL, 1, &samples, TIFF_IFD_0),
env, TAG_SAMPLESPERPIXEL, writer);
}
{
// Set bits per sample
uint16_t bits = BITS_PER_RGB_SAMPLE;
BAIL_IF_INVALID(writer->addEntry(TAG_BITSPERSAMPLE, 1, &bits, TIFF_IFD_0), env,
TAG_BITSPERSAMPLE, writer);
}
{
// Set subfiletype
uint32_t subfileType = 1; // Thumbnail image
BAIL_IF_INVALID(writer->addEntry(TAG_NEWSUBFILETYPE, 1, &subfileType, TIFF_IFD_0), env,
TAG_NEWSUBFILETYPE, writer);
}
{
// Set compression
uint16_t compression = 1; // None
BAIL_IF_INVALID(writer->addEntry(TAG_COMPRESSION, 1, &compression, TIFF_IFD_0), env,
TAG_COMPRESSION, writer);
}
{
// Set dimensions
uint32_t uWidth = static_cast<uint32_t>(width);
uint32_t uHeight = static_cast<uint32_t>(height);
BAIL_IF_INVALID(writer->addEntry(TAG_IMAGEWIDTH, 1, &uWidth, TIFF_IFD_0), env,
TAG_IMAGEWIDTH, writer);
BAIL_IF_INVALID(writer->addEntry(TAG_IMAGELENGTH, 1, &uHeight, TIFF_IFD_0), env,
TAG_IMAGELENGTH, writer);
}
{
// x resolution
uint32_t xres[] = { 72, 1 }; // default 72 ppi
BAIL_IF_INVALID(writer->addEntry(TAG_XRESOLUTION, 1, xres, TIFF_IFD_0),
env, TAG_XRESOLUTION, writer);
// y resolution
uint32_t yres[] = { 72, 1 }; // default 72 ppi
BAIL_IF_INVALID(writer->addEntry(TAG_YRESOLUTION, 1, yres, TIFF_IFD_0),
env, TAG_YRESOLUTION, writer);
uint16_t unit = 2; // inches
BAIL_IF_INVALID(writer->addEntry(TAG_RESOLUTIONUNIT, 1, &unit, TIFF_IFD_0),
env, TAG_RESOLUTIONUNIT, writer);
}
{
// Setup data strips
if (writer->addStrip(TIFF_IFD_0) != OK) {
ALOGE("%s: Could not setup thumbnail strip tags.", __FUNCTION__);
jniThrowException(env, "java/lang/IllegalStateException",
"Failed to setup thumbnail strip tags.");
return;
}
if (writer->addStrip(TIFF_IFD_SUB1) != OK) {
ALOGE("%s: Could not main image strip tags.", __FUNCTION__);
jniThrowException(env, "java/lang/IllegalStateException",
"Failed to setup main image strip tags.");
return;
}
}
if (!context->setThumbnail(pixelBytes, width, height)) {
jniThrowException(env, "java/lang/IllegalStateException",
"Failed to set thumbnail.");
return;
}
}
// TODO: Refactor out common preamble for the two nativeWrite methods.
static void DngCreator_nativeWriteImage(JNIEnv* env, jobject thiz, jobject outStream, jint width,
jint height, jobject inBuffer, jint rowStride, jint pixStride, jlong offset,
jboolean isDirect) {
ALOGV("%s:", __FUNCTION__);
ALOGV("%s: nativeWriteImage called with: width=%d, height=%d, rowStride=%d, pixStride=%d,"
" offset=%lld", __FUNCTION__, width, height, rowStride, pixStride, offset);
uint32_t rStride = static_cast<uint32_t>(rowStride);
uint32_t pStride = static_cast<uint32_t>(pixStride);
uint32_t uWidth = static_cast<uint32_t>(width);
uint32_t uHeight = static_cast<uint32_t>(height);
uint64_t uOffset = static_cast<uint64_t>(offset);
sp<JniOutputStream> out = new JniOutputStream(env, outStream);
if(env->ExceptionCheck()) {
ALOGE("%s: Could not allocate buffers for output stream", __FUNCTION__);
return;
}
TiffWriter* writer = DngCreator_getCreator(env, thiz);
NativeContext* context = DngCreator_getNativeContext(env, thiz);
if (writer == NULL || context == NULL) {
ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__);
jniThrowException(env, "java/lang/AssertionError",
"Write called with uninitialized DngCreator");
return;
}
// Validate DNG header
if (!validateDngHeader(env, writer, width, height)) {
return;
}
sp<JniInputByteBuffer> inBuf;
Vector<StripSource*> sources;
sp<DirectStripSource> thumbnailSource;
uint32_t targetIfd = TIFF_IFD_0;
bool hasThumbnail = writer->hasIfd(TIFF_IFD_SUB1);
if (hasThumbnail) {
ALOGV("%s: Adding thumbnail strip sources.", __FUNCTION__);
uint32_t bytesPerPixel = SAMPLES_PER_RGB_PIXEL * BYTES_PER_RGB_SAMPLE;
uint32_t thumbWidth = context->getThumbnailWidth();
thumbnailSource = new DirectStripSource(env, context->getThumbnail(), TIFF_IFD_0,
thumbWidth, context->getThumbnailHeight(), bytesPerPixel,
bytesPerPixel * thumbWidth, /*offset*/0, BYTES_PER_RGB_SAMPLE,
SAMPLES_PER_RGB_PIXEL);
sources.add(thumbnailSource.get());
targetIfd = TIFF_IFD_SUB1;
}
if (isDirect) {
size_t fullSize = rStride * uHeight;
jlong capacity = env->GetDirectBufferCapacity(inBuffer);
if (capacity < 0 || fullSize + uOffset > static_cast<uint64_t>(capacity)) {
jniThrowExceptionFmt(env, "java/lang/IllegalStateException",
"Invalid size %d for Image, size given in metadata is %d at current stride",
capacity, fullSize);
return;
}
uint8_t* pixelBytes = reinterpret_cast<uint8_t*>(env->GetDirectBufferAddress(inBuffer));
if (pixelBytes == NULL) {
ALOGE("%s: Could not get native ByteBuffer", __FUNCTION__);
jniThrowException(env, "java/lang/IllegalArgumentException", "Invalid ByteBuffer");
return;
}
ALOGV("%s: Using direct-type strip source.", __FUNCTION__);
DirectStripSource stripSource(env, pixelBytes, targetIfd, uWidth, uHeight, pStride,
rStride, uOffset, BYTES_PER_SAMPLE, SAMPLES_PER_RAW_PIXEL);
sources.add(&stripSource);
status_t ret = OK;
if ((ret = writer->write(out.get(), sources.editArray(), sources.size())) != OK) {
ALOGE("%s: write failed with error %d.", __FUNCTION__, ret);
if (!env->ExceptionCheck()) {
jniThrowExceptionFmt(env, "java/io/IOException",
"Encountered error %d while writing file.", ret);
}
return;
}
} else {
inBuf = new JniInputByteBuffer(env, inBuffer);
ALOGV("%s: Using input-type strip source.", __FUNCTION__);
InputStripSource stripSource(env, *inBuf, targetIfd, uWidth, uHeight, pStride,
rStride, uOffset, BYTES_PER_SAMPLE, SAMPLES_PER_RAW_PIXEL);
sources.add(&stripSource);
status_t ret = OK;
if ((ret = writer->write(out.get(), sources.editArray(), sources.size())) != OK) {
ALOGE("%s: write failed with error %d.", __FUNCTION__, ret);
if (!env->ExceptionCheck()) {
jniThrowExceptionFmt(env, "java/io/IOException",
"Encountered error %d while writing file.", ret);
}
return;
}
}
}
static void DngCreator_nativeWriteInputStream(JNIEnv* env, jobject thiz, jobject outStream,
jobject inStream, jint width, jint height, jlong offset) {
ALOGV("%s:", __FUNCTION__);
uint32_t rowStride = width * BYTES_PER_SAMPLE;
uint32_t pixStride = BYTES_PER_SAMPLE;
uint32_t uWidth = static_cast<uint32_t>(width);
uint32_t uHeight = static_cast<uint32_t>(height);
uint64_t uOffset = static_cast<uint32_t>(offset);
ALOGV("%s: nativeWriteInputStream called with: width=%d, height=%d, rowStride=%u,"
"pixStride=%u, offset=%lld", __FUNCTION__, width, height, rowStride, pixStride,
offset);
sp<JniOutputStream> out = new JniOutputStream(env, outStream);
if(env->ExceptionCheck()) {
ALOGE("%s: Could not allocate buffers for output stream", __FUNCTION__);
return;
}
TiffWriter* writer = DngCreator_getCreator(env, thiz);
NativeContext* context = DngCreator_getNativeContext(env, thiz);
if (writer == NULL || context == NULL) {
ALOGE("%s: Failed to initialize DngCreator", __FUNCTION__);
jniThrowException(env, "java/lang/AssertionError",
"Write called with uninitialized DngCreator");
return;
}
// Validate DNG header
if (!validateDngHeader(env, writer, width, height)) {
return;
}
sp<DirectStripSource> thumbnailSource;
uint32_t targetIfd = TIFF_IFD_0;
bool hasThumbnail = writer->hasIfd(TIFF_IFD_SUB1);
Vector<StripSource*> sources;
if (hasThumbnail) {
ALOGV("%s: Adding thumbnail strip sources.", __FUNCTION__);
uint32_t bytesPerPixel = SAMPLES_PER_RGB_PIXEL * BYTES_PER_RGB_SAMPLE;
uint32_t width = context->getThumbnailWidth();
thumbnailSource = new DirectStripSource(env, context->getThumbnail(), TIFF_IFD_0,
width, context->getThumbnailHeight(), bytesPerPixel,
bytesPerPixel * width, /*offset*/0, BYTES_PER_RGB_SAMPLE,
SAMPLES_PER_RGB_PIXEL);
sources.add(thumbnailSource.get());
targetIfd = TIFF_IFD_SUB1;
}
sp<JniInputStream> in = new JniInputStream(env, inStream);
ALOGV("%s: Using input-type strip source.", __FUNCTION__);
InputStripSource stripSource(env, *in, targetIfd, uWidth, uHeight, pixStride,
rowStride, uOffset, BYTES_PER_SAMPLE, SAMPLES_PER_RAW_PIXEL);
sources.add(&stripSource);
status_t ret = OK;
if ((ret = writer->write(out.get(), sources.editArray(), sources.size())) != OK) {
ALOGE("%s: write failed with error %d.", __FUNCTION__, ret);
if (!env->ExceptionCheck()) {
jniThrowExceptionFmt(env, "java/io/IOException",
"Encountered error %d while writing file.", ret);
}
return;
}
}
} /*extern "C" */
static JNINativeMethod gDngCreatorMethods[] = {
{"nativeClassInit", "()V", (void*) DngCreator_nativeClassInit},
{"nativeInit", "(Landroid/hardware/camera2/impl/CameraMetadataNative;"
"Landroid/hardware/camera2/impl/CameraMetadataNative;Ljava/lang/String;)V",
(void*) DngCreator_init},
{"nativeDestroy", "()V", (void*) DngCreator_destroy},
{"nativeSetOrientation", "(I)V", (void*) DngCreator_nativeSetOrientation},
{"nativeSetDescription", "(Ljava/lang/String;)V", (void*) DngCreator_nativeSetDescription},
{"nativeSetGpsTags", "([ILjava/lang/String;[ILjava/lang/String;Ljava/lang/String;[I)V",
(void*) DngCreator_nativeSetGpsTags},
{"nativeSetThumbnail","(Ljava/nio/ByteBuffer;II)V", (void*) DngCreator_nativeSetThumbnail},
{"nativeWriteImage", "(Ljava/io/OutputStream;IILjava/nio/ByteBuffer;IIJZ)V",
(void*) DngCreator_nativeWriteImage},
{"nativeWriteInputStream", "(Ljava/io/OutputStream;Ljava/io/InputStream;IIJ)V",
(void*) DngCreator_nativeWriteInputStream},
};
int register_android_hardware_camera2_DngCreator(JNIEnv *env) {
return AndroidRuntime::registerNativeMethods(env,
"android/hardware/camera2/DngCreator", gDngCreatorMethods,
NELEM(gDngCreatorMethods));
}