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#894 google xmp refactor

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This commit is contained in:
Thibault Deckers 2024-02-04 18:57:35 +01:00
parent 29487a1303
commit b4a5513fe1
10 changed files with 239 additions and 183 deletions
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1
android/app/src/main/AndroidManifest.xml
View file

@ -121,6 +121,7 @@
android:label="@string/app_name"
android:requestLegacyExternalStorage="true"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
tools:targetApi="tiramisu">
<activity
android:name=".MainActivity"

18
android/app/src/main/kotlin/deckers/thibault/aves/channel/calls/EmbeddedDataHandler.kt
View file

@ -11,14 +11,13 @@ import com.bumptech.glide.load.resource.bitmap.TransformationUtils
import com.drew.metadata.xmp.XmpDirectory
import deckers.thibault.aves.channel.calls.Coresult.Companion.safe
import deckers.thibault.aves.channel.calls.Coresult.Companion.safeSuspend
import deckers.thibault.aves.metadata.GoogleDeviceContainer
import deckers.thibault.aves.metadata.Metadata
import deckers.thibault.aves.metadata.MultiPage
import deckers.thibault.aves.metadata.XMP
import deckers.thibault.aves.metadata.XMP.doesPropPathExist
import deckers.thibault.aves.metadata.XMP.getSafeStructField
import deckers.thibault.aves.metadata.XMPPropName
import deckers.thibault.aves.metadata.metadataextractor.Helper
import deckers.thibault.aves.metadata.xmp.GoogleDeviceContainer
import deckers.thibault.aves.metadata.xmp.GoogleXMP
import deckers.thibault.aves.metadata.xmp.XMP.getSafeStructField
import deckers.thibault.aves.metadata.xmp.XMPPropName
import deckers.thibault.aves.model.FieldMap
import deckers.thibault.aves.model.provider.ImageProvider
import deckers.thibault.aves.model.provider.ImageProviderFactory.getProvider
@ -108,14 +107,7 @@ class EmbeddedDataHandler(private val context: Context) : MethodCallHandler {
// which is returned as a second XMP directory
val xmpDirs = metadata.getDirectoriesOfType(XmpDirectory::class.java)
try {
container = xmpDirs.firstNotNullOfOrNull {
val xmpMeta = it.xmpMeta
if (xmpMeta.doesPropPathExist(listOf(XMP.GDEVICE_CONTAINER_PROP_NAME, XMP.GDEVICE_CONTAINER_DIRECTORY_PROP_NAME))) {
GoogleDeviceContainer().apply { findItems(xmpMeta) }
} else {
null
}
}
container = xmpDirs.firstNotNullOfOrNull { GoogleXMP.getDeviceContainer(it.xmpMeta) }
} catch (e: XMPException) {
result.error("extractGoogleDeviceItem-xmp", "failed to read XMP directory for uri=$uri dataUri=$dataUri", e.message)
return

34
android/app/src/main/kotlin/deckers/thibault/aves/channel/calls/MetadataFetchHandler.kt
View file

@ -50,16 +50,6 @@ import deckers.thibault.aves.metadata.Mp4ParserHelper
import deckers.thibault.aves.metadata.MultiPage
import deckers.thibault.aves.metadata.PixyMetaHelper
import deckers.thibault.aves.metadata.QuickTimeMetadata
import deckers.thibault.aves.metadata.XMP
import deckers.thibault.aves.metadata.XMP.doesPropExist
import deckers.thibault.aves.metadata.XMP.getPropArrayItemValues
import deckers.thibault.aves.metadata.XMP.getSafeDateMillis
import deckers.thibault.aves.metadata.XMP.getSafeInt
import deckers.thibault.aves.metadata.XMP.getSafeLocalizedText
import deckers.thibault.aves.metadata.XMP.getSafeString
import deckers.thibault.aves.metadata.XMP.hasHdrGainMap
import deckers.thibault.aves.metadata.XMP.isMotionPhoto
import deckers.thibault.aves.metadata.XMP.isPanorama
import deckers.thibault.aves.metadata.metadataextractor.Helper
import deckers.thibault.aves.metadata.metadataextractor.Helper.PNG_ITXT_DIR_NAME
import deckers.thibault.aves.metadata.metadataextractor.Helper.PNG_LAST_MODIFICATION_TIME_FORMAT
@ -78,6 +68,16 @@ import deckers.thibault.aves.metadata.metadataextractor.Helper.getSafeString
import deckers.thibault.aves.metadata.metadataextractor.Helper.isPngTextDir
import deckers.thibault.aves.metadata.metadataextractor.PngActlDirectory
import deckers.thibault.aves.metadata.metadataextractor.mpf.MpEntryDirectory
import deckers.thibault.aves.metadata.xmp.GoogleXMP
import deckers.thibault.aves.metadata.xmp.XMP
import deckers.thibault.aves.metadata.xmp.XMP.doesPropExist
import deckers.thibault.aves.metadata.xmp.XMP.getPropArrayItemValues
import deckers.thibault.aves.metadata.xmp.XMP.getSafeDateMillis
import deckers.thibault.aves.metadata.xmp.XMP.getSafeInt
import deckers.thibault.aves.metadata.xmp.XMP.getSafeLocalizedText
import deckers.thibault.aves.metadata.xmp.XMP.hasHdrGainMap
import deckers.thibault.aves.metadata.xmp.XMP.isMotionPhoto
import deckers.thibault.aves.metadata.xmp.XMP.isPanorama
import deckers.thibault.aves.model.FieldMap
import deckers.thibault.aves.utils.ContextUtils.queryContentPropValue
import deckers.thibault.aves.utils.LogUtils
@ -1020,17 +1020,7 @@ class MetadataFetchHandler(private val context: Context) : MethodCallHandler {
fun processXmp(xmpMeta: XMPMeta, allowMultiple: Boolean = false) {
if (foundXmp && !allowMultiple) return
foundXmp = true
try {
xmpMeta.getSafeInt(XMP.GPANO_CROPPED_AREA_LEFT_PROP_NAME) { fields["croppedAreaLeft"] = it }
xmpMeta.getSafeInt(XMP.GPANO_CROPPED_AREA_TOP_PROP_NAME) { fields["croppedAreaTop"] = it }
xmpMeta.getSafeInt(XMP.GPANO_CROPPED_AREA_WIDTH_PROP_NAME) { fields["croppedAreaWidth"] = it }
xmpMeta.getSafeInt(XMP.GPANO_CROPPED_AREA_HEIGHT_PROP_NAME) { fields["croppedAreaHeight"] = it }
xmpMeta.getSafeInt(XMP.GPANO_FULL_PANO_WIDTH_PROP_NAME) { fields["fullPanoWidth"] = it }
xmpMeta.getSafeInt(XMP.GPANO_FULL_PANO_HEIGHT_PROP_NAME) { fields["fullPanoHeight"] = it }
xmpMeta.getSafeString(XMP.GPANO_PROJECTION_TYPE_PROP_NAME) { fields["projectionType"] = it }
} catch (e: XMPException) {
Log.w(LOG_TAG, "failed to read XMP directory for uri=$uri", e)
}
fields.putAll(GoogleXMP.getPanoramaInfo(xmpMeta))
}
if (canReadWithMetadataExtractor(mimeType) && !isLargeMp4(mimeType, sizeBytes)) {
@ -1062,7 +1052,7 @@ class MetadataFetchHandler(private val context: Context) : MethodCallHandler {
if (fields.isEmpty()) {
result.error("getPanoramaInfo-empty", "failed to get info for mimeType=$mimeType uri=$uri", null)
} else {
fields["projectionType"] = fields["projectionType"] ?: XMP.GPANO_PROJECTION_TYPE_DEFAULT
fields["projectionType"] = fields["projectionType"] ?: GoogleXMP.GPANO_PROJECTION_TYPE_DEFAULT
result.success(fields)
}
}

1
android/app/src/main/kotlin/deckers/thibault/aves/metadata/Mp4ParserHelper.kt
View file

@ -3,6 +3,7 @@ package deckers.thibault.aves.metadata
import android.content.Context
import android.net.Uri
import android.util.Log
import deckers.thibault.aves.metadata.xmp.XMP
import deckers.thibault.aves.utils.LogUtils
import deckers.thibault.aves.utils.MimeTypes
import deckers.thibault.aves.utils.StorageUtils

21
android/app/src/main/kotlin/deckers/thibault/aves/metadata/MultiPage.kt
View file

@ -12,13 +12,11 @@ import android.util.Log
import com.adobe.internal.xmp.XMPMeta
import com.drew.imaging.jpeg.JpegSegmentType
import com.drew.metadata.xmp.XmpDirectory
import deckers.thibault.aves.metadata.XMP.countPropArrayItems
import deckers.thibault.aves.metadata.XMP.doesPropExist
import deckers.thibault.aves.metadata.XMP.getSafeLong
import deckers.thibault.aves.metadata.XMP.getSafeStructField
import deckers.thibault.aves.metadata.metadataextractor.Helper
import deckers.thibault.aves.metadata.metadataextractor.mpf.MpEntry
import deckers.thibault.aves.metadata.metadataextractor.mpf.MpEntryDirectory
import deckers.thibault.aves.metadata.xmp.GoogleXMP
import deckers.thibault.aves.metadata.xmp.XMP
import deckers.thibault.aves.model.FieldMap
import deckers.thibault.aves.utils.LogUtils
import deckers.thibault.aves.utils.MimeTypes
@ -276,20 +274,7 @@ object MultiPage {
var foundXmp = false
fun processXmp(xmpMeta: XMPMeta) {
if (xmpMeta.doesPropExist(XMP.GCAMERA_VIDEO_OFFSET_PROP_NAME)) {
// `GCamera` motion photo
xmpMeta.getSafeLong(XMP.GCAMERA_VIDEO_OFFSET_PROP_NAME) { offsetFromEnd = it }
} else if (xmpMeta.doesPropExist(XMP.GCONTAINER_DIRECTORY_PROP_NAME)) {
// `Container` motion photo
val count = xmpMeta.countPropArrayItems(XMP.GCONTAINER_DIRECTORY_PROP_NAME)
for (i in 1 until count + 1) {
val mime = xmpMeta.getSafeStructField(listOf(XMP.GCONTAINER_DIRECTORY_PROP_NAME, i, XMP.GCONTAINER_ITEM_PROP_NAME, XMP.GCONTAINER_ITEM_MIME_PROP_NAME))?.value
val length = xmpMeta.getSafeStructField(listOf(XMP.GCONTAINER_DIRECTORY_PROP_NAME, i, XMP.GCONTAINER_ITEM_PROP_NAME, XMP.GCONTAINER_ITEM_LENGTH_PROP_NAME))?.value
if (MimeTypes.isVideo(mime) && length != null) {
offsetFromEnd = length.toLong()
}
}
}
offsetFromEnd = GoogleXMP.getTrailingVideoOffsetFromEnd(xmpMeta)
}
try {

2
android/app/src/main/kotlin/deckers/thibault/aves/metadata/metadataextractor/SafeMp4UuidBoxHandler.kt
View file

@ -4,7 +4,7 @@ import com.drew.imaging.mp4.Mp4Handler
import com.drew.metadata.Metadata
import com.drew.metadata.mp4.Mp4Context
import com.drew.metadata.mp4.media.Mp4UuidBoxHandler
import deckers.thibault.aves.metadata.XMP
import deckers.thibault.aves.metadata.xmp.XMP
class SafeMp4UuidBoxHandler(metadata: Metadata) : Mp4UuidBoxHandler(metadata) {
override fun processBox(type: String?, payload: ByteArray?, boxSize: Long, context: Mp4Context?): Mp4Handler<*> {

15
android/app/src/main/kotlin/deckers/thibault/aves/metadata/GoogleDeviceContainer.kt → android/app/src/main/kotlin/deckers/thibault/aves/metadata/xmp/GoogleDeviceContainer.kt
View file

@ -1,10 +1,11 @@
package deckers.thibault.aves.metadata
package deckers.thibault.aves.metadata.xmp
import android.content.Context
import android.net.Uri
import com.adobe.internal.xmp.XMPMeta
import deckers.thibault.aves.metadata.XMP.countPropPathArrayItems
import deckers.thibault.aves.metadata.XMP.getSafeStructField
import deckers.thibault.aves.metadata.Metadata
import deckers.thibault.aves.metadata.xmp.XMP.countPropPathArrayItems
import deckers.thibault.aves.metadata.xmp.XMP.getSafeStructField
import deckers.thibault.aves.utils.indexOfBytes
import java.io.DataInputStream
@ -15,12 +16,12 @@ class GoogleDeviceContainer {
private val offsets: MutableList<Int> = ArrayList()
fun findItems(xmpMeta: XMPMeta) {
val containerDirectoryPath = listOf(XMP.GDEVICE_CONTAINER_PROP_NAME, XMP.GDEVICE_CONTAINER_DIRECTORY_PROP_NAME)
val containerDirectoryPath = listOf(GoogleXMP.GDEVICE_CONTAINER_PROP_NAME, GoogleXMP.GDEVICE_CONTAINER_DIRECTORY_PROP_NAME)
val count = xmpMeta.countPropPathArrayItems(containerDirectoryPath)
for (i in 1 until count + 1) {
val mimeType = xmpMeta.getSafeStructField(containerDirectoryPath + listOf(i, XMP.GDEVICE_CONTAINER_ITEM_MIME_PROP_NAME))?.value
val length = xmpMeta.getSafeStructField(containerDirectoryPath + listOf(i, XMP.GDEVICE_CONTAINER_ITEM_LENGTH_PROP_NAME))?.value?.toLongOrNull()
val dataUri = xmpMeta.getSafeStructField(containerDirectoryPath + listOf(i, XMP.GDEVICE_CONTAINER_ITEM_DATA_URI_PROP_NAME))?.value
val mimeType = xmpMeta.getSafeStructField(containerDirectoryPath + listOf(i, GoogleXMP.GDEVICE_CONTAINER_ITEM_MIME_PROP_NAME))?.value
val length = xmpMeta.getSafeStructField(containerDirectoryPath + listOf(i, GoogleXMP.GDEVICE_CONTAINER_ITEM_LENGTH_PROP_NAME))?.value?.toLongOrNull()
val dataUri = xmpMeta.getSafeStructField(containerDirectoryPath + listOf(i, GoogleXMP.GDEVICE_CONTAINER_ITEM_DATA_URI_PROP_NAME))?.value
if (mimeType != null && length != null && dataUri != null) {
items.add(
GoogleDeviceContainerItem(

199
android/app/src/main/kotlin/deckers/thibault/aves/metadata/xmp/GoogleXMP.kt Normal file
View file

@ -0,0 +1,199 @@
package deckers.thibault.aves.metadata.xmp
import android.util.Log
import com.adobe.internal.xmp.XMPError
import com.adobe.internal.xmp.XMPException
import com.adobe.internal.xmp.XMPMeta
import deckers.thibault.aves.metadata.xmp.XMP.countPropArrayItems
import deckers.thibault.aves.metadata.xmp.XMP.doesPropExist
import deckers.thibault.aves.metadata.xmp.XMP.doesPropPathExist
import deckers.thibault.aves.metadata.xmp.XMP.getSafeInt
import deckers.thibault.aves.metadata.xmp.XMP.getSafeLong
import deckers.thibault.aves.metadata.xmp.XMP.getSafeString
import deckers.thibault.aves.metadata.xmp.XMP.getSafeStructField
import deckers.thibault.aves.model.FieldMap
import deckers.thibault.aves.utils.LogUtils
import deckers.thibault.aves.utils.MimeTypes
object GoogleXMP {
private val LOG_TAG = LogUtils.createTag<GoogleXMP>()
// namespaces
private const val GAUDIO_NS_URI = "http://ns.google.com/photos/1.0/audio/"
private const val GCAMERA_NS_URI = "http://ns.google.com/photos/1.0/camera/"
private const val GCONTAINER_NS_URI = "http://ns.google.com/photos/1.0/container/"
private const val GCONTAINER_ITEM_NS_URI = "http://ns.google.com/photos/1.0/container/item/"
private const val GDEPTH_NS_URI = "http://ns.google.com/photos/1.0/depthmap/"
private const val GDEVICE_NS_URI = "http://ns.google.com/photos/dd/1.0/device/"
private const val GDEVICE_CONTAINER_NS_URI = "http://ns.google.com/photos/dd/1.0/container/"
private const val GDEVICE_ITEM_NS_URI = "http://ns.google.com/photos/dd/1.0/item/"
private const val GIMAGE_NS_URI = "http://ns.google.com/photos/1.0/image/"
private const val GPANO_NS_URI = "http://ns.google.com/photos/1.0/panorama/"
// embedded media data properties
// cf https://developers.google.com/depthmap-metadata
// cf https://developers.google.com/vr/reference/cardboard-camera-vr-photo-format
private val knownDataProps = listOf(
XMPPropName(GAUDIO_NS_URI, "Data"),
XMPPropName(GCAMERA_NS_URI, "RelitInputImageData"),
XMPPropName(GIMAGE_NS_URI, "Data"),
XMPPropName(GDEPTH_NS_URI, "Data"),
XMPPropName(GDEPTH_NS_URI, "Confidence"),
)
fun isDataPath(path: String) = knownDataProps.map { it.toString() }.any { path == it }
// google portrait
val GDEVICE_CONTAINER_PROP_NAME = XMPPropName(GDEVICE_NS_URI, "Container")
val GDEVICE_CONTAINER_DIRECTORY_PROP_NAME = XMPPropName(GDEVICE_CONTAINER_NS_URI, "Directory")
val GDEVICE_CONTAINER_ITEM_DATA_URI_PROP_NAME = XMPPropName(GDEVICE_ITEM_NS_URI, "DataURI")
val GDEVICE_CONTAINER_ITEM_LENGTH_PROP_NAME = XMPPropName(GDEVICE_ITEM_NS_URI, "Length")
val GDEVICE_CONTAINER_ITEM_MIME_PROP_NAME = XMPPropName(GDEVICE_ITEM_NS_URI, "Mime")
// container
private val GCAMERA_VIDEO_OFFSET_PROP_NAME = XMPPropName(GCAMERA_NS_URI, "MicroVideoOffset")
private val GCONTAINER_DIRECTORY_PROP_NAME = XMPPropName(GCONTAINER_NS_URI, "Directory")
private val GCONTAINER_ITEM_PROP_NAME = XMPPropName(GCONTAINER_NS_URI, "Item")
private val GCONTAINER_ITEM_LENGTH_PROP_NAME = XMPPropName(GCONTAINER_ITEM_NS_URI, "Length")
private val GCONTAINER_ITEM_MIME_PROP_NAME = XMPPropName(GCONTAINER_ITEM_NS_URI, "Mime")
private val GCONTAINER_ITEM_SEMANTIC_PROP_NAME = XMPPropName(GCONTAINER_ITEM_NS_URI, "Semantic")
private const val ITEM_SEMANTIC_GAIN_MAP = "GainMap"
// panorama
// cf https://developers.google.com/streetview/spherical-metadata
private val GPANO_CROPPED_AREA_HEIGHT_PROP_NAME = XMPPropName(GPANO_NS_URI, "CroppedAreaImageHeightPixels")
private val GPANO_CROPPED_AREA_WIDTH_PROP_NAME = XMPPropName(GPANO_NS_URI, "CroppedAreaImageWidthPixels")
private val GPANO_CROPPED_AREA_LEFT_PROP_NAME = XMPPropName(GPANO_NS_URI, "CroppedAreaLeftPixels")
private val GPANO_CROPPED_AREA_TOP_PROP_NAME = XMPPropName(GPANO_NS_URI, "CroppedAreaTopPixels")
private val GPANO_FULL_PANO_HEIGHT_PROP_NAME = XMPPropName(GPANO_NS_URI, "FullPanoHeightPixels")
private val GPANO_FULL_PANO_WIDTH_PROP_NAME = XMPPropName(GPANO_NS_URI, "FullPanoWidthPixels")
private val GPANO_PROJECTION_TYPE_PROP_NAME = XMPPropName(GPANO_NS_URI, "ProjectionType")
const val GPANO_PROJECTION_TYPE_DEFAULT = "equirectangular"
// `GPano:ProjectionType` is required by spec but it is sometimes missing, assuming default
// `GPano:FullPanoHeightPixels` is required by spec but it is sometimes missing (e.g. Samsung Camera app panorama mode)
private val gpanoRequiredProps = listOf(
GPANO_CROPPED_AREA_HEIGHT_PROP_NAME,
GPANO_CROPPED_AREA_WIDTH_PROP_NAME,
GPANO_CROPPED_AREA_LEFT_PROP_NAME,
GPANO_CROPPED_AREA_TOP_PROP_NAME,
GPANO_FULL_PANO_WIDTH_PROP_NAME,
)
fun isUltraHdPhoto(meta: XMPMeta): Boolean {
if (meta.doesPropExist(GCONTAINER_DIRECTORY_PROP_NAME)) {
val count = meta.countPropArrayItems(GCONTAINER_DIRECTORY_PROP_NAME)
for (i in 1 until count + 1) {
val semantic = meta.getSafeStructField(listOf(GCONTAINER_DIRECTORY_PROP_NAME, i, GCONTAINER_ITEM_PROP_NAME, GCONTAINER_ITEM_SEMANTIC_PROP_NAME))?.value
if (semantic == ITEM_SEMANTIC_GAIN_MAP) {
return true
}
}
}
return false
}
fun isMotionPhoto(meta: XMPMeta): Boolean {
try {
// GCamera motion photo
if (meta.doesPropExist(GCAMERA_VIDEO_OFFSET_PROP_NAME)) return true
// Container motion photo
if (meta.doesPropExist(GCONTAINER_DIRECTORY_PROP_NAME)) {
val count = meta.countPropArrayItems(GCONTAINER_DIRECTORY_PROP_NAME)
var hasImage = false
var hasVideo = false
for (i in 1 until count + 1) {
val mime = meta.getSafeStructField(listOf(GCONTAINER_DIRECTORY_PROP_NAME, i, GCONTAINER_ITEM_PROP_NAME, GCONTAINER_ITEM_MIME_PROP_NAME))?.value
val length = meta.getSafeStructField(listOf(GCONTAINER_DIRECTORY_PROP_NAME, i, GCONTAINER_ITEM_PROP_NAME, GCONTAINER_ITEM_LENGTH_PROP_NAME))?.value
hasImage = hasImage || MimeTypes.isImage(mime) && length != null
hasVideo = hasVideo || MimeTypes.isVideo(mime) && length != null
}
if (hasImage && hasVideo) return true
}
return false
} catch (e: XMPException) {
if (e.errorCode != XMPError.BADSCHEMA) {
// `BADSCHEMA` code is reported when we check a property
// from a non standard namespace, and that namespace is not declared in the XMP
Log.w(LOG_TAG, "failed to check Google motion photo props from XMP", e)
}
}
return false
}
fun isPanorama(meta: XMPMeta): Boolean {
try {
if (gpanoRequiredProps.all { meta.doesPropExist(it) }) return true
} catch (e: XMPException) {
if (e.errorCode != XMPError.BADSCHEMA) {
// `BADSCHEMA` code is reported when we check a property
// from a non standard namespace, and that namespace is not declared in the XMP
Log.w(LOG_TAG, "failed to check Google panorama props from XMP", e)
}
}
return false
}
fun getPanoramaInfo(meta: XMPMeta): FieldMap {
val fields: FieldMap = hashMapOf()
try {
meta.getSafeInt(GPANO_CROPPED_AREA_LEFT_PROP_NAME) { fields["croppedAreaLeft"] = it }
meta.getSafeInt(GPANO_CROPPED_AREA_TOP_PROP_NAME) { fields["croppedAreaTop"] = it }
meta.getSafeInt(GPANO_CROPPED_AREA_WIDTH_PROP_NAME) { fields["croppedAreaWidth"] = it }
meta.getSafeInt(GPANO_CROPPED_AREA_HEIGHT_PROP_NAME) { fields["croppedAreaHeight"] = it }
meta.getSafeInt(GPANO_FULL_PANO_WIDTH_PROP_NAME) { fields["fullPanoWidth"] = it }
meta.getSafeInt(GPANO_FULL_PANO_HEIGHT_PROP_NAME) { fields["fullPanoHeight"] = it }
meta.getSafeString(GPANO_PROJECTION_TYPE_PROP_NAME) { fields["projectionType"] = it }
} catch (e: XMPException) {
Log.w(LOG_TAG, "failed to read XMP directory", e)
}
return fields
}
fun getTrailingVideoOffsetFromEnd(meta: XMPMeta): Long? {
var offsetFromEnd: Long? = null
if (meta.doesPropExist(GCAMERA_VIDEO_OFFSET_PROP_NAME)) {
// `GCamera` motion photo
meta.getSafeLong(GCAMERA_VIDEO_OFFSET_PROP_NAME) { offsetFromEnd = it }
} else if (meta.doesPropExist(GCONTAINER_DIRECTORY_PROP_NAME)) {
// `Container` motion photo
val count = meta.countPropArrayItems(GCONTAINER_DIRECTORY_PROP_NAME)
for (i in 1 until count + 1) {
val mime = meta.getSafeStructField(listOf(GCONTAINER_DIRECTORY_PROP_NAME, i, GCONTAINER_ITEM_PROP_NAME, GCONTAINER_ITEM_MIME_PROP_NAME))?.value
val length = meta.getSafeStructField(listOf(GCONTAINER_DIRECTORY_PROP_NAME, i, GCONTAINER_ITEM_PROP_NAME, GCONTAINER_ITEM_LENGTH_PROP_NAME))?.value
if (MimeTypes.isVideo(mime) && length != null) {
offsetFromEnd = length.toLong()
}
}
}
return offsetFromEnd
}
fun updateTrailingVideoOffset(xmp: String, oldOffset: Int, newOffset: Int): String {
return xmp.replace(
// GCamera motion photo
"${GCAMERA_VIDEO_OFFSET_PROP_NAME}=\"$oldOffset\"",
"${GCAMERA_VIDEO_OFFSET_PROP_NAME}=\"$newOffset\"",
).replace(
// Container motion photo
"${GCONTAINER_ITEM_LENGTH_PROP_NAME}=\"$oldOffset\"",
"${GCONTAINER_ITEM_LENGTH_PROP_NAME}=\"$newOffset\"",
)
}
fun getDeviceContainer(meta: XMPMeta): GoogleDeviceContainer? {
return if (meta.doesPropPathExist(listOf(GDEVICE_CONTAINER_PROP_NAME, GDEVICE_CONTAINER_DIRECTORY_PROP_NAME))) {
GoogleDeviceContainer().apply { findItems(meta) }
} else {
null
}
}
}

119
android/app/src/main/kotlin/deckers/thibault/aves/metadata/XMP.kt → android/app/src/main/kotlin/deckers/thibault/aves/metadata/xmp/XMP.kt
View file

@ -1,4 +1,4 @@
package deckers.thibault.aves.metadata
package deckers.thibault.aves.metadata.xmp
import android.content.Context
import android.net.Uri
@ -11,6 +11,7 @@ import com.adobe.internal.xmp.XMPMeta
import com.adobe.internal.xmp.XMPMetaFactory
import com.adobe.internal.xmp.properties.XMPProperty
import com.drew.metadata.Directory
import deckers.thibault.aves.metadata.Mp4ParserHelper
import deckers.thibault.aves.metadata.Mp4ParserHelper.processBoxes
import deckers.thibault.aves.metadata.Mp4ParserHelper.toBytes
import deckers.thibault.aves.metadata.metadataextractor.SafeMp4UuidBoxHandler
@ -39,16 +40,6 @@ object XMP {
private const val XMP_NS_URI = "http://ns.adobe.com/xap/1.0/"
// other namespaces
private const val GAUDIO_NS_URI = "http://ns.google.com/photos/1.0/audio/"
private const val GCAMERA_NS_URI = "http://ns.google.com/photos/1.0/camera/"
private const val GCONTAINER_NS_URI = "http://ns.google.com/photos/1.0/container/"
private const val GCONTAINER_ITEM_NS_URI = "http://ns.google.com/photos/1.0/container/item/"
private const val GDEPTH_NS_URI = "http://ns.google.com/photos/1.0/depthmap/"
private const val GDEVICE_NS_URI = "http://ns.google.com/photos/dd/1.0/device/"
private const val GDEVICE_CONTAINER_NS_URI = "http://ns.google.com/photos/dd/1.0/container/"
private const val GDEVICE_ITEM_NS_URI = "http://ns.google.com/photos/dd/1.0/item/"
private const val GIMAGE_NS_URI = "http://ns.google.com/photos/1.0/image/"
private const val GPANO_NS_URI = "http://ns.google.com/photos/1.0/panorama/"
private const val HDRGM_NS_URI = "http://ns.adobe.com/hdr-gain-map/1.0/"
private const val PMTM_NS_URI = "http://www.hdrsoft.com/photomatix_settings01"
@ -63,66 +54,16 @@ object XMP {
private const val GENERIC_LANG = ""
private const val SPECIFIC_LANG = "en-US"
// embedded media data properties
// cf https://developers.google.com/depthmap-metadata
// cf https://developers.google.com/vr/reference/cardboard-camera-vr-photo-format
private val knownDataProps = listOf(
XMPPropName(GAUDIO_NS_URI, "Data"),
XMPPropName(GCAMERA_NS_URI, "RelitInputImageData"),
XMPPropName(GIMAGE_NS_URI, "Data"),
XMPPropName(GDEPTH_NS_URI, "Data"),
XMPPropName(GDEPTH_NS_URI, "Confidence"),
)
fun isDataPath(path: String) = knownDataProps.map { it.toString() }.any { path == it }
// google portrait
val GDEVICE_CONTAINER_PROP_NAME = XMPPropName(GDEVICE_NS_URI, "Container")
val GDEVICE_CONTAINER_DIRECTORY_PROP_NAME = XMPPropName(GDEVICE_CONTAINER_NS_URI, "Directory")
val GDEVICE_CONTAINER_ITEM_DATA_URI_PROP_NAME = XMPPropName(GDEVICE_ITEM_NS_URI, "DataURI")
val GDEVICE_CONTAINER_ITEM_LENGTH_PROP_NAME = XMPPropName(GDEVICE_ITEM_NS_URI, "Length")
val GDEVICE_CONTAINER_ITEM_MIME_PROP_NAME = XMPPropName(GDEVICE_ITEM_NS_URI, "Mime")
// container
val GCAMERA_VIDEO_OFFSET_PROP_NAME = XMPPropName(GCAMERA_NS_URI, "MicroVideoOffset")
val GCONTAINER_DIRECTORY_PROP_NAME = XMPPropName(GCONTAINER_NS_URI, "Directory")
val GCONTAINER_ITEM_PROP_NAME = XMPPropName(GCONTAINER_NS_URI, "Item")
val GCONTAINER_ITEM_LENGTH_PROP_NAME = XMPPropName(GCONTAINER_ITEM_NS_URI, "Length")
val GCONTAINER_ITEM_MIME_PROP_NAME = XMPPropName(GCONTAINER_ITEM_NS_URI, "Mime")
private val GCONTAINER_ITEM_SEMANTIC_PROP_NAME = XMPPropName(GCONTAINER_ITEM_NS_URI, "Semantic")
private const val ITEM_SEMANTIC_GAIN_MAP = "GainMap"
fun isDataPath(path: String) = GoogleXMP.isDataPath(path)
// HDR gain map
private val HDRGM_VERSION_PROP_NAME = XMPPropName(HDRGM_NS_URI, "Version")
// panorama
// cf https://developers.google.com/streetview/spherical-metadata
val GPANO_CROPPED_AREA_HEIGHT_PROP_NAME = XMPPropName(GPANO_NS_URI, "CroppedAreaImageHeightPixels")
val GPANO_CROPPED_AREA_WIDTH_PROP_NAME = XMPPropName(GPANO_NS_URI, "CroppedAreaImageWidthPixels")
val GPANO_CROPPED_AREA_LEFT_PROP_NAME = XMPPropName(GPANO_NS_URI, "CroppedAreaLeftPixels")
val GPANO_CROPPED_AREA_TOP_PROP_NAME = XMPPropName(GPANO_NS_URI, "CroppedAreaTopPixels")
val GPANO_FULL_PANO_HEIGHT_PROP_NAME = XMPPropName(GPANO_NS_URI, "FullPanoHeightPixels")
val GPANO_FULL_PANO_WIDTH_PROP_NAME = XMPPropName(GPANO_NS_URI, "FullPanoWidthPixels")
val GPANO_PROJECTION_TYPE_PROP_NAME = XMPPropName(GPANO_NS_URI, "ProjectionType")
const val GPANO_PROJECTION_TYPE_DEFAULT = "equirectangular"
private val PMTM_IS_PANO360_PROP_NAME = XMPPropName(PMTM_NS_URI, "IsPano360")
// `GPano:ProjectionType` is required by spec but it is sometimes missing, assuming default
// `GPano:FullPanoHeightPixels` is required by spec but it is sometimes missing (e.g. Samsung Camera app panorama mode)
private val gpanoRequiredProps = listOf(
GPANO_CROPPED_AREA_HEIGHT_PROP_NAME,
GPANO_CROPPED_AREA_WIDTH_PROP_NAME,
GPANO_CROPPED_AREA_LEFT_PROP_NAME,
GPANO_CROPPED_AREA_TOP_PROP_NAME,
GPANO_FULL_PANO_WIDTH_PROP_NAME,
)
// as of `metadata-extractor` v2.18.0, XMP is not discovered in HEIC images,
// so we fall back to the native content resolver, if possible
fun checkHeic(
@ -191,20 +132,10 @@ object XMP {
fun XMPMeta.hasHdrGainMap(): Boolean {
try {
// standard HDR gain map
if (doesPropExist(HDRGM_VERSION_PROP_NAME)) {
return true
}
if (doesPropExist(HDRGM_VERSION_PROP_NAME)) return true
// `Ultra HDR`
if (doesPropExist(GCONTAINER_DIRECTORY_PROP_NAME)) {
val count = countPropArrayItems(GCONTAINER_DIRECTORY_PROP_NAME)
for (i in 1 until count + 1) {
val semantic = getSafeStructField(listOf(GCONTAINER_DIRECTORY_PROP_NAME, i, GCONTAINER_ITEM_PROP_NAME, GCONTAINER_ITEM_SEMANTIC_PROP_NAME))?.value
if (semantic == ITEM_SEMANTIC_GAIN_MAP) {
return true
}
}
}
if (GoogleXMP.isUltraHdPhoto(this)) return true
return false
} catch (e: XMPException) {
@ -217,47 +148,11 @@ object XMP {
return false
}
fun XMPMeta.isMotionPhoto(): Boolean {
try {
// GCamera motion photo
if (doesPropExist(GCAMERA_VIDEO_OFFSET_PROP_NAME)) return true
// Container motion photo
if (doesPropExist(GCONTAINER_DIRECTORY_PROP_NAME)) {
val count = countPropArrayItems(GCONTAINER_DIRECTORY_PROP_NAME)
var hasImage = false
var hasVideo = false
for (i in 1 until count + 1) {
val mime = getSafeStructField(listOf(GCONTAINER_DIRECTORY_PROP_NAME, i, GCONTAINER_ITEM_PROP_NAME, GCONTAINER_ITEM_MIME_PROP_NAME))?.value
val length = getSafeStructField(listOf(GCONTAINER_DIRECTORY_PROP_NAME, i, GCONTAINER_ITEM_PROP_NAME, GCONTAINER_ITEM_LENGTH_PROP_NAME))?.value
hasImage = hasImage || MimeTypes.isImage(mime) && length != null
hasVideo = hasVideo || MimeTypes.isVideo(mime) && length != null
}
if (hasImage && hasVideo) return true
}
return false
} catch (e: XMPException) {
if (e.errorCode != XMPError.BADSCHEMA) {
// `BADSCHEMA` code is reported when we check a property
// from a non standard namespace, and that namespace is not declared in the XMP
Log.w(LOG_TAG, "failed to check Google motion photo props from XMP", e)
}
}
return false
}
fun XMPMeta.isMotionPhoto() = GoogleXMP.isMotionPhoto(this)
fun XMPMeta.isPanorama(): Boolean {
// Google
try {
if (gpanoRequiredProps.all { doesPropExist(it) }) return true
} catch (e: XMPException) {
if (e.errorCode != XMPError.BADSCHEMA) {
// `BADSCHEMA` code is reported when we check a property
// from a non standard namespace, and that namespace is not declared in the XMP
Log.w(LOG_TAG, "failed to check Google panorama props from XMP", e)
}
}
if (GoogleXMP.isPanorama(this)) return true
// Photomatix
try {

12
android/app/src/main/kotlin/deckers/thibault/aves/model/provider/ImageProvider.kt
View file

@ -36,8 +36,8 @@ import deckers.thibault.aves.metadata.MultiPage
import deckers.thibault.aves.metadata.PixyMetaHelper
import deckers.thibault.aves.metadata.PixyMetaHelper.extendedXmpDocString
import deckers.thibault.aves.metadata.PixyMetaHelper.xmpDocString
import deckers.thibault.aves.metadata.XMP
import deckers.thibault.aves.metadata.metadataextractor.Helper
import deckers.thibault.aves.metadata.xmp.GoogleXMP
import deckers.thibault.aves.model.AvesEntry
import deckers.thibault.aves.model.ExifOrientationOp
import deckers.thibault.aves.model.FieldMap
@ -982,15 +982,7 @@ abstract class ImageProvider {
)
val newTrailerOffset = trailerOffset + diff
return editXmp(context, path, uri, mimeType, callback, trailerDiff = diff, editCoreXmp = { xmp ->
xmp.replace(
// GCamera motion photo
"${XMP.GCAMERA_VIDEO_OFFSET_PROP_NAME}=\"$trailerOffset\"",
"${XMP.GCAMERA_VIDEO_OFFSET_PROP_NAME}=\"$newTrailerOffset\"",
).replace(
// Container motion photo
"${XMP.GCONTAINER_ITEM_LENGTH_PROP_NAME}=\"$trailerOffset\"",
"${XMP.GCONTAINER_ITEM_LENGTH_PROP_NAME}=\"$newTrailerOffset\"",
)
GoogleXMP.updateTrailingVideoOffset(xmp, trailerOffset, newTrailerOffset)
})
}