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metadata extractor update fix

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Thibault Deckers 2023-11-29 22:18:58 +01:00
parent f15d19c080
commit 90d836cf37
5 changed files with 7 additions and 8 deletions
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2
android/app/src/main/kotlin/deckers/thibault/aves/metadata/ExifInterfaceHelper.kt
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@ -388,7 +388,7 @@ enum class DirType {
override fun createDirectory() = ExifIFD0Directory()
},
EXIF_THUMBNAIL {
override fun createDirectory() = ExifThumbnailDirectory()
override fun createDirectory() = ExifThumbnailDirectory(0)
},
GPS {
override fun createDirectory() = GpsDirectory()

2
android/app/src/main/kotlin/deckers/thibault/aves/metadata/ExifTags.kt
View file

@ -18,7 +18,6 @@ object ExifTags {
private const val SAMPLE_FORMAT = 0x0153
private const val SMIN_SAMPLE_VALUE = 0x0154
private const val SMAX_SAMPLE_VALUE = 0x0155
private const val RATING_PERCENT = 0x4749
private const val SONY_RAW_FILE_TYPE = 0x7000
private const val SONY_TONE_CURVE = 0x7010
private const val MATTEING = 0x80e3
@ -40,7 +39,6 @@ object ExifTags {
SAMPLE_FORMAT to "Sample Format",
SMIN_SAMPLE_VALUE to "S Min Sample Value",
SMAX_SAMPLE_VALUE to "S Max Sample Value",
RATING_PERCENT to "Rating Percent",
SONY_RAW_FILE_TYPE to "Sony Raw File Type",
SONY_TONE_CURVE to "Sony Tone Curve",
MATTEING to "Matteing",

2
android/app/src/main/kotlin/deckers/thibault/aves/metadata/metadataextractor/Helper.kt
View file

@ -116,7 +116,7 @@ object Helper {
fun safeReadTiff(input: InputStream): com.drew.metadata.Metadata {
val reader = RandomAccessStreamReader(input, RandomAccessStreamReader.DEFAULT_CHUNK_LENGTH, safeReadStreamLength)
val metadata = com.drew.metadata.Metadata()
val handler = SafeExifTiffHandler(metadata, null)
val handler = SafeExifTiffHandler(metadata, null, 0)
TiffReader().processTiff(reader, handler, 0)
return metadata
}

2
android/app/src/main/kotlin/deckers/thibault/aves/metadata/metadataextractor/SafeExifTiffHandler.kt
View file

@ -8,7 +8,7 @@ import com.drew.metadata.exif.ExifSubIFDDirectory
import com.drew.metadata.exif.ExifTiffHandler
import java.io.IOException
class SafeExifTiffHandler(metadata: Metadata, parentDirectory: Directory?) : ExifTiffHandler(metadata, parentDirectory) {
class SafeExifTiffHandler(metadata: Metadata, parentDirectory: Directory?, exifStartOffset: Int) : ExifTiffHandler(metadata, parentDirectory, exifStartOffset) {
@Throws(IOException::class)
override fun customProcessTag(
tagOffset: Int,

7
android/app/src/main/kotlin/deckers/thibault/aves/metadata/metadataextractor/SafePngMetadataReader.kt
View file

@ -45,6 +45,7 @@ object SafePngMetadataReader {
private const val chunkSizeDangerThreshold = SafeXmpReader.SEGMENT_TYPE_SIZE_DANGER_THRESHOLD
private val latin1Encoding = Charsets.ISO_8859_1
private val utf8Encoding = Charsets.UTF_8
private val desiredChunkTypes: Set<PngChunkType> = hashSetOf(
PngChunkType.IHDR,
PngChunkType.PLTE,
@ -234,7 +235,7 @@ object SafePngMetadataReader {
val reader: SequentialReader = SequentialByteArrayReader(bytes)
// Keyword is 1-79 bytes, followed by the 1 byte null character
val keywordsv = reader.getNullTerminatedStringValue(79 + 1, latin1Encoding)
val keywordsv = reader.getNullTerminatedStringValue(79 + 1, utf8Encoding)
val keyword = keywordsv.toString()
val compressionFlag = reader.int8
val compressionMethod = reader.int8
@ -273,7 +274,7 @@ object SafePngMetadataReader {
XmpReader().extract(textBytes, metadata)
} else {
val textPairs: MutableList<KeyValuePair> = ArrayList()
textPairs.add(KeyValuePair(keyword, StringValue(textBytes, latin1Encoding)))
textPairs.add(KeyValuePair(keyword, StringValue(textBytes, utf8Encoding)))
val directory = PngDirectory(PngChunkType.iTXt)
directory.setObject(PngDirectory.TAG_TEXTUAL_DATA, textPairs)
metadata.addDirectory(directory)
@ -316,7 +317,7 @@ object SafePngMetadataReader {
metadata.addDirectory(directory)
} else if (chunkType == PngChunkType.eXIf) {
try {
val handler = ExifTiffHandler(metadata, null)
val handler = ExifTiffHandler(metadata, null, 0)
TiffReader().processTiff(ByteArrayReader(bytes), handler, 0)
} catch (ex: TiffProcessingException) {
val directory = PngDirectory(PngChunkType.eXIf)