Migrates Video feed new posts from NIP-94 to Video and Picture events.

amethyst/src/main/java/com/vitorpamplona/amethyst/model/Account.kt

@@ -30,6 +30,7 @@ import androidx.lifecycle.switchMap
 import com.fasterxml.jackson.module.kotlin.readValue
 import com.vitorpamplona.amethyst.Amethyst
 import com.vitorpamplona.amethyst.BuildConfig
+import com.vitorpamplona.amethyst.commons.richtext.RichTextParser
 import com.vitorpamplona.amethyst.service.FileHeader
 import com.vitorpamplona.amethyst.service.LocationState
 import com.vitorpamplona.amethyst.service.NostrLnZapPaymentResponseDataSource
@@ -94,6 +95,7 @@ import com.vitorpamplona.quartz.events.NIP17Factory
 import com.vitorpamplona.quartz.events.NIP90ContentDiscoveryRequestEvent
 import com.vitorpamplona.quartz.events.OtsEvent
 import com.vitorpamplona.quartz.events.PeopleListEvent
+import com.vitorpamplona.quartz.events.PictureEvent
 import com.vitorpamplona.quartz.events.PollNoteEvent
 import com.vitorpamplona.quartz.events.Price
 import com.vitorpamplona.quartz.events.PrivateDmEvent
@@ -110,6 +112,8 @@ import com.vitorpamplona.quartz.events.StatusEvent
 import com.vitorpamplona.quartz.events.TextNoteEvent
 import com.vitorpamplona.quartz.events.TextNoteModificationEvent
 import com.vitorpamplona.quartz.events.TorrentCommentEvent
+import com.vitorpamplona.quartz.events.VideoHorizontalEvent
+import com.vitorpamplona.quartz.events.VideoVerticalEvent
 import com.vitorpamplona.quartz.events.WrappedEvent
 import com.vitorpamplona.quartz.events.ZapSplitSetup
 import com.vitorpamplona.quartz.signers.NostrSigner
@@ -1855,12 +1859,12 @@ class Account(
     }
 
     fun sendHeader(
-        signedEvent: FileHeaderEvent,
+        signedEvent: Event,
         relayList: List<RelaySetupInfo>,
         onReady: (Note) -> Unit,
     ) {
         Client.send(signedEvent, relayList = relayList)
-        LocalCache.consume(signedEvent, null)
+        LocalCache.justConsume(signedEvent, null)
 
         LocalCache.getNoteIfExists(signedEvent.id)?.let { onReady(it) }
     }
@@ -1894,7 +1898,7 @@ class Account(
     }
 
     fun sendHeader(
-        imageUrl: String,
+        url: String,
         magnetUri: String?,
         headerInfo: FileHeader,
         alt: String?,
@@ -1905,8 +1909,26 @@ class Account(
     ) {
         if (!isWriteable()) return
 
-        FileHeaderEvent.create(
+        val isImage = headerInfo.mimeType?.startsWith("image/") == true || RichTextParser.isImageUrl(url)
-            url = imageUrl,
+        val isVideo = headerInfo.mimeType?.startsWith("video/") == true || RichTextParser.isVideoUrl(url)
+
+        if (isImage) {
+            PictureEvent.create(
+                url = url,
+                mimeType = headerInfo.mimeType,
+                hash = headerInfo.hash,
+                size = headerInfo.size.toLong(),
+                dimensions = headerInfo.dim,
+                blurhash = headerInfo.blurHash,
+                alt = alt,
+                signer = signer,
+            ) { event ->
+                sendHeader(event, relayList = relayList, onReady)
+            }
+        } else if (isVideo && headerInfo.dim != null) {
+            if (headerInfo.dim.height > headerInfo.dim.width) {
+                VideoVerticalEvent.create(
+                    url = url,
                     magnetUri = magnetUri,
                     mimeType = headerInfo.mimeType,
                     hash = headerInfo.hash,
@@ -1920,6 +1942,40 @@ class Account(
                 ) { event ->
                     sendHeader(event, relayList = relayList, onReady)
                 }
+            } else {
+                VideoHorizontalEvent.create(
+                    url = url,
+                    magnetUri = magnetUri,
+                    mimeType = headerInfo.mimeType,
+                    hash = headerInfo.hash,
+                    size = headerInfo.size.toString(),
+                    dimensions = headerInfo.dim,
+                    blurhash = headerInfo.blurHash,
+                    alt = alt,
+                    originalHash = originalHash,
+                    sensitiveContent = sensitiveContent,
+                    signer = signer,
+                ) { event ->
+                    sendHeader(event, relayList = relayList, onReady)
+                }
+            }
+        } else {
+            FileHeaderEvent.create(
+                url = url,
+                magnetUri = magnetUri,
+                mimeType = headerInfo.mimeType,
+                hash = headerInfo.hash,
+                size = headerInfo.size.toString(),
+                dimensions = headerInfo.dim,
+                blurhash = headerInfo.blurHash,
+                alt = alt,
+                originalHash = originalHash,
+                sensitiveContent = sensitiveContent,
+                signer = signer,
+            ) { event ->
+                sendHeader(event, relayList = relayList, onReady)
+            }
+        }
     }
 
     fun sendClassifieds(

amethyst/src/main/java/com/vitorpamplona/amethyst/service/FileHeader.kt

@@ -31,6 +31,7 @@ import android.util.Log
 import com.vitorpamplona.amethyst.ui.actions.ImageDownloader
 import com.vitorpamplona.quartz.crypto.CryptoUtils
 import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.events.Dimension
 import io.trbl.blurhash.BlurHash
 import kotlinx.coroutines.CancellationException
 import java.io.IOException
@@ -40,14 +41,14 @@ class FileHeader(
     val mimeType: String?,
     val hash: String,
     val size: Int,
-    val dim: String?,
+    val dim: Dimension?,
     val blurHash: String?,
 ) {
     companion object {
         suspend fun prepare(
             fileUrl: String,
             mimeType: String?,
-            dimPrecomputed: String?,
+            dimPrecomputed: Dimension?,
             forceProxy: Boolean,
             onReady: (FileHeader) -> Unit,
             onError: (String) -> Unit,
@@ -70,7 +71,7 @@ class FileHeader(
         fun prepare(
             data: ByteArray,
             mimeType: String?,
-            dimPrecomputed: String?,
+            dimPrecomputed: Dimension?,
             onReady: (FileHeader) -> Unit,
             onError: (String) -> Unit,
         ) {
@@ -95,7 +96,7 @@ class FileHeader(
                             mBitmap.height,
                         )
 
-                        val dim = "${mBitmap.width}x${mBitmap.height}"
+                        val dim = Dimension(mBitmap.width, mBitmap.height)
 
                         val aspectRatio = (mBitmap.width).toFloat() / (mBitmap.height).toFloat()
 
@@ -166,7 +167,7 @@ class FileHeader(
                                 }
                             }
 
-                        if (newDim != "0x0") {
+                        if (newDim?.hasSize() == true) {
                             Pair(blurhash, newDim)
                         } else {
                             Pair(blurhash, null)
@@ -212,11 +213,15 @@ fun MediaMetadataRetriever.getThumbnail(): Bitmap? {
     }
 }
 
-fun MediaMetadataRetriever.prepareDimFromVideo(): String? {
+fun MediaMetadataRetriever.prepareDimFromVideo(): Dimension? {
     val width = prepareVideoWidth() ?: return null
     val height = prepareVideoHeight() ?: return null
 
-    return "${width}x$height"
+    return if (width > 0 && height > 0) {
+        Dimension(width, height)
+    } else {
+        null
+    }
 }
 
 fun MediaMetadataRetriever.prepareVideoWidth(): Int? {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/EditPostViewModel.kt

@@ -45,6 +45,7 @@ import com.vitorpamplona.amethyst.ui.components.MediaCompressor
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.stringRes
 import com.vitorpamplona.ammolite.relays.RelaySetupInfo
+import com.vitorpamplona.quartz.events.Dimension
 import com.vitorpamplona.quartz.events.FileHeaderEvent
 import com.vitorpamplona.quartz.events.FileStorageEvent
 import com.vitorpamplona.quartz.events.FileStorageHeaderEvent
@@ -341,6 +342,7 @@ open class EditPostViewModel : ViewModel() {
                 ?.firstOrNull { it.size > 1 && it[0] == "dim" }
                 ?.get(1)
                 ?.ifBlank { null }
+                ?.let { Dimension.parse(it) }
         val magnet =
             uploadingResult.tags
                 ?.firstOrNull { it.size > 1 && it[0] == "magnet" }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMediaModel.kt

@@ -37,6 +37,7 @@ import com.vitorpamplona.amethyst.service.Nip96Uploader
 import com.vitorpamplona.amethyst.ui.components.MediaCompressor
 import com.vitorpamplona.amethyst.ui.stringRes
 import com.vitorpamplona.ammolite.relays.RelaySetupInfo
+import com.vitorpamplona.quartz.events.Dimension
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -217,6 +218,7 @@ open class NewMediaModel : ViewModel() {
                 ?.firstOrNull { it.size > 1 && it[0] == "dim" }
                 ?.get(1)
                 ?.ifBlank { null }
+                ?.let { Dimension.parse(it) }
         val magnet =
             uploadingResult.tags
                 ?.firstOrNull { it.size > 1 && it[0] == "magnet" }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostViewModel.kt

@@ -61,6 +61,7 @@ import com.vitorpamplona.quartz.events.ChatMessageEvent
 import com.vitorpamplona.quartz.events.ClassifiedsEvent
 import com.vitorpamplona.quartz.events.CommentEvent
 import com.vitorpamplona.quartz.events.CommunityDefinitionEvent
+import com.vitorpamplona.quartz.events.Dimension
 import com.vitorpamplona.quartz.events.DraftEvent
 import com.vitorpamplona.quartz.events.Event
 import com.vitorpamplona.quartz.events.FileHeaderEvent
@@ -1205,6 +1206,7 @@ open class NewPostViewModel : ViewModel() {
                 ?.firstOrNull { it.size > 1 && it[0] == "dim" }
                 ?.get(1)
                 ?.ifBlank { null }
+                ?.let { Dimension.parse(it) }
         val magnet =
             uploadingResult.tags
                 ?.firstOrNull { it.size > 1 && it[0] == "magnet" }

quartz/src/main/java/com/vitorpamplona/quartz/encoders/ATag.kt

@@ -60,7 +60,7 @@ data class ATag(
         TlvBuilder()
             .apply {
                 addString(Nip19Bech32.TlvTypes.SPECIAL, dTag)
-                addStringIfNotNull(Nip19Bech32.TlvTypes.RELAY, overrideRelay)
+                addStringIfNotNull(Nip19Bech32.TlvTypes.RELAY, overrideRelay ?: relay)
                 addHex(Nip19Bech32.TlvTypes.AUTHOR, pubKeyHex)
                 addInt(Nip19Bech32.TlvTypes.KIND, kind)
             }.build()

quartz/src/main/java/com/vitorpamplona/quartz/events/FileHeaderEvent.kt

@@ -81,7 +81,7 @@ class FileHeaderEvent(
             alt: String? = null,
             hash: String? = null,
             size: String? = null,
-            dimensions: String? = null,
+            dimensions: Dimension? = null,
             blurhash: String? = null,
             originalHash: String? = null,
             magnetURI: String? = null,
@@ -99,7 +99,7 @@ class FileHeaderEvent(
                     alt?.ifBlank { null }?.let { arrayOf(ALT, it) } ?: arrayOf("alt", ALT_DESCRIPTION),
                     hash?.let { arrayOf(HASH, it) },
                     size?.let { arrayOf(FILE_SIZE, it) },
-                    dimensions?.let { arrayOf(DIMENSION, it) },
+                    dimensions?.let { arrayOf(DIMENSION, it.toString()) },
                     blurhash?.let { arrayOf(BLUR_HASH, it) },
                     originalHash?.let { arrayOf(ORIGINAL_HASH, it) },
                     magnetURI?.let { arrayOf(MAGNET_URI, it) },

quartz/src/main/java/com/vitorpamplona/quartz/events/FileStorageHeaderEvent.kt

@@ -74,7 +74,7 @@ class FileStorageHeaderEvent(
             alt: String? = null,
             hash: String? = null,
             size: String? = null,
-            dimensions: String? = null,
+            dimensions: Dimension? = null,
             blurhash: String? = null,
             magnetURI: String? = null,
             torrentInfoHash: String? = null,
@@ -90,7 +90,7 @@ class FileStorageHeaderEvent(
                     hash?.let { arrayOf(HASH, it) },
                     alt?.let { arrayOf(ALT, it) } ?: arrayOf("alt", ALT_DESCRIPTION),
                     size?.let { arrayOf(FILE_SIZE, it) },
-                    dimensions?.let { arrayOf(DIMENSION, it) },
+                    dimensions?.let { arrayOf(DIMENSION, it.toString()) },
                     blurhash?.let { arrayOf(BLUR_HASH, it) },
                     magnetURI?.let { arrayOf(MAGNET_URI, it) },
                     torrentInfoHash?.let { arrayOf(TORRENT_INFOHASH, it) },

quartz/src/main/java/com/vitorpamplona/quartz/events/PictureEvent.kt

@@ -24,16 +24,8 @@ import androidx.compose.runtime.Immutable
 import com.vitorpamplona.quartz.encoders.ATag
 import com.vitorpamplona.quartz.encoders.ETag
 import com.vitorpamplona.quartz.encoders.HexKey
-import com.vitorpamplona.quartz.encoders.Nip92MediaAttachments
 import com.vitorpamplona.quartz.encoders.Nip92MediaAttachments.Companion.IMETA
 import com.vitorpamplona.quartz.encoders.PTag
-import com.vitorpamplona.quartz.events.FileHeaderEvent.Companion.ALT
-import com.vitorpamplona.quartz.events.FileHeaderEvent.Companion.BLUR_HASH
-import com.vitorpamplona.quartz.events.FileHeaderEvent.Companion.DIMENSION
-import com.vitorpamplona.quartz.events.FileHeaderEvent.Companion.FILE_SIZE
-import com.vitorpamplona.quartz.events.FileHeaderEvent.Companion.MAGNET_URI
-import com.vitorpamplona.quartz.events.FileHeaderEvent.Companion.TORRENT_INFOHASH
-import com.vitorpamplona.quartz.events.FileHeaderEvent.Companion.URL
 import com.vitorpamplona.quartz.signers.NostrSigner
 import com.vitorpamplona.quartz.utils.TimeUtils
 import kotlin.coroutines.cancellation.CancellationException
@@ -53,27 +45,23 @@ class PictureEvent(
 
     fun title() = tags.firstOrNull { it.size > 1 && it[0] == TITLE }?.get(1)
 
-    fun url() = tags.firstOrNull { it.size > 1 && it[0] == URL }?.get(1)
+    fun url() = tags.firstOrNull { it.size > 1 && it[0] == PictureMeta.URL }?.get(1)
 
-    fun urls() = tags.filter { it.size > 1 && it[0] == URL }.map { it[1] }
+    fun urls() = tags.filter { it.size > 1 && it[0] == PictureMeta.URL }.map { it[1] }
 
-    fun mimeType() = tags.firstOrNull { it.size > 1 && it[0] == FileHeaderEvent.MIME_TYPE }?.get(1)
+    fun mimeType() = tags.firstOrNull { it.size > 1 && it[0] == PictureMeta.MIME_TYPE }?.get(1)
 
-    fun hash() = tags.firstOrNull { it.size > 1 && it[0] == FileHeaderEvent.HASH }?.get(1)
+    fun hash() = tags.firstOrNull { it.size > 1 && it[0] == PictureMeta.HASH }?.get(1)
 
-    fun size() = tags.firstOrNull { it.size > 1 && it[0] == FILE_SIZE }?.get(1)
+    fun size() = tags.firstOrNull { it.size > 1 && it[0] == PictureMeta.FILE_SIZE }?.get(1)
 
-    fun alt() = tags.firstOrNull { it.size > 1 && it[0] == ALT }?.get(1)
+    fun alt() = tags.firstOrNull { it.size > 1 && it[0] == PictureMeta.ALT }?.get(1)
 
-    fun dimensions() = tags.firstOrNull { it.size > 1 && it[0] == DIMENSION }?.get(1)?.let { Dimension.parse(it) }
+    fun dimensions() = tags.firstOrNull { it.size > 1 && it[0] == PictureMeta.DIMENSION }?.get(1)?.let { Dimension.parse(it) }
 
-    fun magnetURI() = tags.firstOrNull { it.size > 1 && it[0] == MAGNET_URI }?.get(1)
+    fun blurhash() = tags.firstOrNull { it.size > 1 && it[0] == PictureMeta.BLUR_HASH }?.get(1)
 
-    fun torrentInfoHash() = tags.firstOrNull { it.size > 1 && it[0] == TORRENT_INFOHASH }?.get(1)
+    fun hasUrl() = tags.any { it.size > 1 && it[0] == PictureMeta.URL }
-
-    fun blurhash() = tags.firstOrNull { it.size > 1 && it[0] == BLUR_HASH }?.get(1)
-
-    fun hasUrl() = tags.any { it.size > 1 && it[0] == URL }
 
     // hack to fix pablo's bug
     fun rootImage() =
@@ -104,32 +92,89 @@ class PictureEvent(
 
     companion object {
         const val KIND = 20
-        const val ALT_DESCRIPTION = "Picture"
+        const val ALT_DESCRIPTION = "List of pictures"
 
         private const val MIME_TYPE = "m"
         private const val HASH = "x"
         private const val TITLE = "title"
 
-        private fun create(
+        fun create(
-            msg: String,
+            url: String,
-            tags: MutableList<Array<String>>,
+            msg: String? = null,
+            title: String? = null,
+            mimeType: String? = null,
+            alt: String? = null,
+            hash: String? = null,
+            size: Long? = null,
+            dimensions: Dimension? = null,
+            blurhash: String? = null,
             usersMentioned: Set<PTag> = emptySet(),
             addressesMentioned: Set<ATag> = emptySet(),
             eventsMentioned: Set<ETag> = emptySet(),
-            nip94attachments: List<FileHeaderEvent>? = null,
             geohash: String? = null,
             zapReceiver: List<ZapSplitSetup>? = null,
             markAsSensitive: Boolean = false,
             zapRaiserAmount: Long? = null,
-            isDraft: Boolean,
             signer: NostrSigner,
             createdAt: Long = TimeUtils.now(),
             onReady: (PictureEvent) -> Unit,
         ) {
+            val image =
+                PictureMeta(
+                    url,
+                    mimeType,
+                    blurhash,
+                    dimensions,
+                    alt,
+                    hash,
+                    size,
+                    emptyList(),
+                    emptyList(),
+                )
+
+            create(listOf(image), msg, title, usersMentioned, addressesMentioned, eventsMentioned, geohash, zapReceiver, markAsSensitive, zapRaiserAmount, signer, createdAt, onReady)
+        }
+
+        fun create(
+            images: List<PictureMeta>,
+            msg: String? = null,
+            title: String? = null,
+            usersMentioned: Set<PTag> = emptySet(),
+            addressesMentioned: Set<ATag> = emptySet(),
+            eventsMentioned: Set<ETag> = emptySet(),
+            geohash: String? = null,
+            zapReceiver: List<ZapSplitSetup>? = null,
+            markAsSensitive: Boolean = false,
+            zapRaiserAmount: Long? = null,
+            signer: NostrSigner,
+            createdAt: Long = TimeUtils.now(),
+            onReady: (PictureEvent) -> Unit,
+        ) {
+            val tags = mutableListOf(arrayOf<String>("alt", ALT_DESCRIPTION))
+
+            images.forEach {
+                tags.add(it.toIMetaArray())
+            }
+
+            title?.let { tags.add(arrayOf("title", it)) }
+
+            images.distinctBy { it.hash }.forEach {
+                if (it.hash != null) {
+                    tags.add(arrayOf("x", it.hash))
+                }
+            }
+
+            images.distinctBy { it.mimeType }.forEach {
+                if (it.mimeType != null) {
+                    tags.add(arrayOf("m", it.mimeType))
+                }
+            }
+
             usersMentioned.forEach { tags.add(it.toPTagArray()) }
             addressesMentioned.forEach { tags.add(it.toQTagArray()) }
             eventsMentioned.forEach { tags.add(it.toQTagArray()) }
 
+            if (msg != null) {
                 findHashtags(msg).forEach {
                     val lowercaseTag = it.lowercase()
                     tags.add(arrayOf("t", it))
@@ -139,6 +184,7 @@ class PictureEvent(
                 }
 
                 findURLs(msg).forEach { tags.add(arrayOf("r", it)) }
+            }
 
             zapReceiver?.forEach {
                 tags.add(arrayOf("zap", it.lnAddressOrPubKeyHex, it.relay ?: "", it.weight.toString()))
@@ -148,19 +194,8 @@ class PictureEvent(
             }
             zapRaiserAmount?.let { tags.add(arrayOf("zapraiser", "$it")) }
             geohash?.let { tags.addAll(geohashMipMap(it)) }
-            nip94attachments?.let {
-                it.forEach {
-                    Nip92MediaAttachments().convertFromFileHeader(it)?.let {
-                        tags.add(it)
-                    }
-                }
-            }
 
-            if (isDraft) {
+            signer.sign(createdAt, KIND, tags.toTypedArray(), msg ?: "", onReady)
-                signer.assembleRumor(createdAt, KIND, tags.toTypedArray(), msg, onReady)
-            } else {
-                signer.sign(createdAt, KIND, tags.toTypedArray(), msg, onReady)
-            }
         }
     }
 }
@@ -176,7 +211,33 @@ class PictureMeta(
     val fallback: List<String>,
     val annotations: List<UserAnnotation>,
 ) {
+    fun toIMetaArray(): Array<String> =
+        (
+            listOfNotNull(
+                "imeta",
+                "$URL $url",
+                mimeType?.let { "$MIME_TYPE $it" },
+                alt?.let { "$ALT $it" },
+                hash?.let { "$HASH $it" },
+                size?.let { "$FILE_SIZE $it" },
+                dimension?.let { "$DIMENSION $it" },
+                blurhash?.let { "$BLUR_HASH $it" },
+            ) +
+                fallback.map { "$FALLBACK $it" } +
+                annotations.map { "$ANNOTATIONS $it" }
+        ).toTypedArray()
+
     companion object {
+        const val URL = "url"
+        const val MIME_TYPE = "m"
+        const val FILE_SIZE = "size"
+        const val DIMENSION = "dim"
+        const val HASH = "x"
+        const val BLUR_HASH = "blurhash"
+        const val ALT = "alt"
+        const val FALLBACK = "fallback"
+        const val ANNOTATIONS = "annotate-user"
+
         fun parse(tagArray: Array<String>): PictureMeta? {
             var url: String? = null
             var mimeType: String? = null
@@ -188,9 +249,9 @@ class PictureMeta(
             val fallback = mutableListOf<String>()
             val annotations = mutableListOf<UserAnnotation>()
 
-            if (tagArray.size == 2 && tagArray[1].contains("url") && (tagArray[1].contains("blurhash") || tagArray[1].contains("size"))) {
+            if (tagArray.size == 2 && tagArray[1].contains(URL) && (tagArray[1].contains(BLUR_HASH) || tagArray[1].contains(FILE_SIZE))) {
                 // hack to fix pablo's bug
-                val keys = setOf("url", "m", "blurhash", "dim", "alt", "x", "size", "fallback", "annotate-user")
+                val keys = setOf(URL, MIME_TYPE, BLUR_HASH, DIMENSION, ALT, HASH, FILE_SIZE, FALLBACK, ANNOTATIONS)
                 var keyNextValue: String? = null
                 val values = mutableListOf<String>()
 
@@ -198,15 +259,15 @@ class PictureMeta(
                     if (it in keys) {
                         if (keyNextValue != null && values.isNotEmpty()) {
                             when (keyNextValue) {
-                                "url" -> url = values.joinToString(" ")
+                                URL -> url = values.joinToString(" ")
-                                "m" -> mimeType = values.joinToString(" ")
+                                MIME_TYPE -> mimeType = values.joinToString(" ")
-                                "blurhash" -> blurhash = values.joinToString(" ")
+                                BLUR_HASH -> blurhash = values.joinToString(" ")
-                                "dim" -> dim = Dimension.parse(values.joinToString(" "))
+                                DIMENSION -> dim = Dimension.parse(values.joinToString(" "))
-                                "alt" -> alt = values.joinToString(" ")
+                                ALT -> alt = values.joinToString(" ")
-                                "x" -> hash = values.joinToString(" ")
+                                HASH -> hash = values.joinToString(" ")
-                                "size" -> size = values.joinToString(" ").toLongOrNull()
+                                FILE_SIZE -> size = values.joinToString(" ").toLongOrNull()
-                                "fallback" -> fallback.add(values.joinToString(" "))
+                                FALLBACK -> fallback.add(values.joinToString(" "))
-                                "annotate-user" -> {
+                                ANNOTATIONS -> {
                                     UserAnnotation.parse(values.joinToString(" "))?.let {
                                         annotations.add(it)
                                     }
@@ -222,15 +283,15 @@ class PictureMeta(
 
                 if (keyNextValue != null && values.isNotEmpty()) {
                     when (keyNextValue) {
-                        "url" -> url = values.joinToString(" ")
+                        URL -> url = values.joinToString(" ")
-                        "m" -> mimeType = values.joinToString(" ")
+                        MIME_TYPE -> mimeType = values.joinToString(" ")
-                        "blurhash" -> blurhash = values.joinToString(" ")
+                        BLUR_HASH -> blurhash = values.joinToString(" ")
-                        "dim" -> dim = Dimension.parse(values.joinToString(" "))
+                        DIMENSION -> dim = Dimension.parse(values.joinToString(" "))
-                        "alt" -> alt = values.joinToString(" ")
+                        ALT -> alt = values.joinToString(" ")
-                        "x" -> hash = values.joinToString(" ")
+                        HASH -> hash = values.joinToString(" ")
-                        "size" -> size = values.joinToString(" ").toLongOrNull()
+                        FILE_SIZE -> size = values.joinToString(" ").toLongOrNull()
-                        "fallback" -> fallback.add(values.joinToString(" "))
+                        FALLBACK -> fallback.add(values.joinToString(" "))
-                        "annotate-user" -> {
+                        ANNOTATIONS -> {
                             UserAnnotation.parse(values.joinToString(" "))?.let {
                                 annotations.add(it)
                             }
@@ -247,15 +308,15 @@ class PictureMeta(
 
                     if (value.isNotBlank()) {
                         when (key) {
-                            "url" -> url = value
+                            URL -> url = value
-                            "m" -> mimeType = value
+                            MIME_TYPE -> mimeType = value
-                            "blurhash" -> blurhash = value
+                            BLUR_HASH -> blurhash = value
-                            "dim" -> dim = Dimension.parse(value)
+                            DIMENSION -> dim = Dimension.parse(value)
-                            "alt" -> alt = value
+                            ALT -> alt = value
-                            "x" -> hash = value
+                            HASH -> hash = value
-                            "size" -> size = value.toLongOrNull()
+                            FILE_SIZE -> size = value.toLongOrNull()
-                            "fallback" -> fallback.add(value)
+                            FALLBACK -> fallback.add(value)
-                            "annotate-user" -> {
+                            ANNOTATIONS -> {
                                 UserAnnotation.parse(value)?.let {
                                     annotations.add(it)
                                 }
@@ -278,6 +339,8 @@ class Dimension(
 ) {
     fun aspectRatio() = width.toFloat() / height.toFloat()
 
+    fun hasSize() = width > 0 && height > 0
+
     override fun toString() = "${width}x$height"
 
     companion object {
@@ -305,6 +368,8 @@ class UserAnnotation(
     val x: Int,
     val y: Int,
 ) {
+    override fun toString() = "$pubkey:$x:$y"
+
     companion object {
         fun parse(value: String): UserAnnotation? {
             val ann = value.split(":")

quartz/src/main/java/com/vitorpamplona/quartz/events/VideoEvent.kt

@@ -88,13 +88,14 @@ abstract class VideoEvent(
 
         fun <T : VideoEvent> create(
             kind: Int,
+            dTag: String,
             url: String,
             magnetUri: String? = null,
             mimeType: String? = null,
             alt: String? = null,
             hash: String? = null,
             size: String? = null,
-            dimensions: String? = null,
+            dimensions: Dimension? = null,
             blurhash: String? = null,
             originalHash: String? = null,
             magnetURI: String? = null,
@@ -107,13 +108,14 @@ abstract class VideoEvent(
         ) {
             val tags =
                 listOfNotNull(
+                    arrayOf("d", dTag),
                     arrayOf(URL, url),
                     magnetUri?.let { arrayOf(MAGNET_URI, it) },
                     mimeType?.let { arrayOf(MIME_TYPE, it) },
                     alt?.ifBlank { null }?.let { arrayOf(ALT, it) } ?: arrayOf("alt", altDescription),
                     hash?.let { arrayOf(HASH, it) },
                     size?.let { arrayOf(FILE_SIZE, it) },
-                    dimensions?.let { arrayOf(DIMENSION, it) },
+                    dimensions?.let { arrayOf(DIMENSION, it.toString()) },
                     blurhash?.let { arrayOf(BLUR_HASH, it) },
                     originalHash?.let { arrayOf(ORIGINAL_HASH, it) },
                     magnetURI?.let { arrayOf(MAGNET_URI, it) },

quartz/src/main/java/com/vitorpamplona/quartz/events/VideoHorizontalEvent.kt

@@ -24,6 +24,7 @@ import androidx.compose.runtime.Immutable
 import com.vitorpamplona.quartz.encoders.HexKey
 import com.vitorpamplona.quartz.signers.NostrSigner
 import com.vitorpamplona.quartz.utils.TimeUtils
+import java.util.UUID
 
 @Immutable
 class VideoHorizontalEvent(
@@ -45,18 +46,20 @@ class VideoHorizontalEvent(
             alt: String? = null,
             hash: String? = null,
             size: String? = null,
-            dimensions: String? = null,
+            dimensions: Dimension? = null,
             blurhash: String? = null,
             originalHash: String? = null,
             magnetURI: String? = null,
             torrentInfoHash: String? = null,
             sensitiveContent: Boolean? = null,
+            dTag: String = UUID.randomUUID().toString(),
             signer: NostrSigner,
             createdAt: Long = TimeUtils.now(),
             onReady: (VideoHorizontalEvent) -> Unit,
         ) {
             create(
                 KIND,
+                dTag,
                 url,
                 magnetUri,
                 mimeType,

quartz/src/main/java/com/vitorpamplona/quartz/events/VideoVerticalEvent.kt

@@ -24,6 +24,7 @@ import androidx.compose.runtime.Immutable
 import com.vitorpamplona.quartz.encoders.HexKey
 import com.vitorpamplona.quartz.signers.NostrSigner
 import com.vitorpamplona.quartz.utils.TimeUtils
+import java.util.UUID
 
 @Immutable
 class VideoVerticalEvent(
@@ -45,18 +46,20 @@ class VideoVerticalEvent(
             alt: String? = null,
             hash: String? = null,
             size: String? = null,
-            dimensions: String? = null,
+            dimensions: Dimension? = null,
             blurhash: String? = null,
             originalHash: String? = null,
             magnetURI: String? = null,
             torrentInfoHash: String? = null,
             sensitiveContent: Boolean? = null,
+            dTag: String = UUID.randomUUID().toString(),
             signer: NostrSigner,
             createdAt: Long = TimeUtils.now(),
             onReady: (VideoVerticalEvent) -> Unit,
         ) {
             create(
                 KIND,
+                dTag,
                 url,
                 magnetUri,
                 mimeType,