Add metadata to media session (#934)

## Description
Adds some metadata about playing media for consumption in remote control
apps such as Google Home or others.

### Related issues
Partially address #889, doesn't add explicit controls yet, but Google
Home works

### Testing
Nvidia shield + Google Home app

## Screenshots
iOS Google Home app:

![ios_google_home](https://github.com/user-attachments/assets/680ccae5-b66e-404a-a3a1-7c89991d841b)


## AI or LLM usage
None

app/src/main/java/com/github/damontecres/wholphin/services/ImageUrlService.kt

@@ -159,13 +159,14 @@ class ImageUrlService
             imageType: ImageType,
             fillWidth: Int? = null,
             fillHeight: Int? = null,
+            useSeriesForPrimary: Boolean? = null,
         ): String? =
             if (item != null) {
                 getItemImageUrl(
                     itemId = item.id,
                     itemType = item.type,
                     seriesId = item.data.seriesId,
-                    useSeriesForPrimary = item.useSeriesForPrimary,
+                    useSeriesForPrimary = useSeriesForPrimary ?: item.useSeriesForPrimary,
                     imageTags = item.data.imageTags.orEmpty(),
                     imageType = imageType,
                     parentThumbId = item.data.parentThumbItemId,

app/src/main/java/com/github/damontecres/wholphin/ui/playback/CurrentMediaInfo.kt

@@ -1,7 +1,12 @@
 package com.github.damontecres.wholphin.ui.playback
 
+import androidx.core.net.toUri
+import androidx.media3.common.MediaMetadata
+import com.github.damontecres.wholphin.data.model.BaseItem
 import com.github.damontecres.wholphin.data.model.Chapter
+import org.jellyfin.sdk.model.api.BaseItemKind
 import org.jellyfin.sdk.model.api.TrickplayInfo
+import org.jellyfin.sdk.model.extensions.ticks
 
 data class CurrentMediaInfo(
     val sourceId: String?,
@@ -15,3 +20,22 @@ data class CurrentMediaInfo(
         val EMPTY = CurrentMediaInfo(null, null, listOf(), listOf(), listOf(), null)
     }
 }
+
+fun BaseItem.toMediaMetadata(imageUrl: String?): MediaMetadata =
+    MediaMetadata
+        .Builder()
+        .setTitle(title)
+        .setSubtitle(subtitle)
+        .setReleaseYear(data.productionYear)
+        .setDescription(data.overview)
+        .setArtworkUri(imageUrl?.toUri())
+        .setDurationMs(data.runTimeTicks?.ticks?.inWholeMilliseconds)
+        .setMediaType(
+            when (type) {
+                BaseItemKind.MOVIE -> MediaMetadata.MEDIA_TYPE_MOVIE
+                BaseItemKind.EPISODE -> MediaMetadata.MEDIA_TYPE_TV_SHOW
+                BaseItemKind.VIDEO -> MediaMetadata.MEDIA_TYPE_VIDEO
+                BaseItemKind.TV_CHANNEL, BaseItemKind.CHANNEL, BaseItemKind.LIVE_TV_CHANNEL -> MediaMetadata.MEDIA_TYPE_TV_CHANNEL
+                else -> MediaMetadata.MEDIA_TYPE_VIDEO
+            },
+        ).build()

app/src/main/java/com/github/damontecres/wholphin/ui/playback/PlaybackViewModel.kt

@@ -41,6 +41,7 @@ import com.github.damontecres.wholphin.preferences.SkipSegmentBehavior
 import com.github.damontecres.wholphin.preferences.UserPreferences
 import com.github.damontecres.wholphin.services.DatePlayedService
 import com.github.damontecres.wholphin.services.DeviceProfileService
+import com.github.damontecres.wholphin.services.ImageUrlService
 import com.github.damontecres.wholphin.services.NavigationManager
 import com.github.damontecres.wholphin.services.PlayerFactory
 import com.github.damontecres.wholphin.services.PlaylistCreationResult
@@ -95,6 +96,7 @@ import org.jellyfin.sdk.api.client.extensions.videosApi
 import org.jellyfin.sdk.api.sockets.subscribe
 import org.jellyfin.sdk.model.DeviceInfo
 import org.jellyfin.sdk.model.api.BaseItemKind
+import org.jellyfin.sdk.model.api.ImageType
 import org.jellyfin.sdk.model.api.MediaSegmentDto
 import org.jellyfin.sdk.model.api.MediaSegmentType
 import org.jellyfin.sdk.model.api.MediaStreamType
@@ -137,6 +139,7 @@ class PlaybackViewModel
         private val refreshRateService: RefreshRateService,
         val streamChoiceService: StreamChoiceService,
         private val userPreferencesService: UserPreferencesService,
+        private val imageUrlService: ImageUrlService,
         @Assisted private val destination: Destination,
     ) : ViewModel(),
         Player.Listener,
@@ -671,7 +674,15 @@ class PlaybackViewModel
                     MediaItem
                         .Builder()
                         .setMediaId(itemId.toString())
-                        .setUri(mediaUrl.toUri())
+                        .setMediaMetadata(
+                            item.toMediaMetadata(
+                                imageUrlService.getItemImageUrl(
+                                    item,
+                                    ImageType.PRIMARY,
+                                    useSeriesForPrimary = true,
+                                ),
+                            ),
+                        ).setUri(mediaUrl.toUri())
                         .setSubtitleConfigurations(listOfNotNull(externalSubtitle))
                         .apply {
                             when (source.container) {