Don't share phone videos and screen recordings as now-playing

General-purpose players (VLC, MX Player, Photos, galleries) report a local
file's name as the title. Skip sessions whose title looks like a video file
or camera/recorder name, or that come from such a player without a real
artist tag.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.gitignore

@@ -10,3 +10,5 @@ next-env.d.ts
 # Production secrets and database backups
 deploy/production.env
 backups/
+.aider*
+deploy/gitea-runner/data/

apps/mobile/modules/now-playing-reader/android/src/main/java/tech/chrisedwards/musicshare/nowplaying/MediaListenerService.kt

@@ -121,9 +121,11 @@ class MediaListenerService : NotificationListenerService() {
   private fun snapshot(controller: MediaController): Playback? {
     val metadata = controller.metadata
     val title = metadata?.text(MediaMetadata.METADATA_KEY_TITLE) ?: metadata?.text(MediaMetadata.METADATA_KEY_DISPLAY_TITLE)
-    val artist = metadata?.text(MediaMetadata.METADATA_KEY_ARTIST)
+    val realArtist = metadata?.text(MediaMetadata.METADATA_KEY_ARTIST)
       ?: metadata?.text(MediaMetadata.METADATA_KEY_ALBUM_ARTIST)
-      ?: metadata?.text(MediaMetadata.METADATA_KEY_DISPLAY_SUBTITLE)
+    val artist = realArtist ?: metadata?.text(MediaMetadata.METADATA_KEY_DISPLAY_SUBTITLE)
+    // A phone video or other non-song: treat the session as if it weren't there.
+    if (NonMusicFilter.isNonMusic(controller.packageName, title, realArtist)) return null
     val playbackState = controller.playbackState
     val state = when (playbackState?.state) {
       PlaybackState.STATE_PLAYING, PlaybackState.STATE_BUFFERING,

apps/mobile/modules/now-playing-reader/android/src/main/java/tech/chrisedwards/musicshare/nowplaying/NonMusicFilter.kt

@@ -0,0 +1,46 @@
+package tech.chrisedwards.musicshare.nowplaying
+
+/**
+ * Keeps things that aren't songs (phone videos, screen recordings) out of what we share.
+ * General-purpose players report a local file's name as its title, so a video played
+ * in VLC would otherwise show up as "VID_20261025_181502.mp4".
+ */
+internal object NonMusicFilter {
+  /** Players that also open videos and arbitrary files: only share from them when there's a real artist. */
+  private val GENERAL_PLAYERS = setOf(
+    "org.videolan.vlc",
+    "org.videolan.vlc.debug",
+    "com.mxtech.videoplayer.ad",
+    "com.mxtech.videoplayer.pro",
+    "is.xyz.mpv",
+    "com.brouken.player", // Just Player
+    "com.google.android.apps.photos",
+    "com.sec.android.gallery3d",
+    "com.android.gallery3d",
+    "com.miui.gallery",
+    "com.google.android.apps.nbu.files",
+    "com.sec.android.app.myfiles",
+  )
+
+  private val FILE_NAME = Regex(
+    """.*\.(mp4|m4v|mkv|mov|webm|avi|3gp|3g2|wmv|flv|ts|mts|m2ts|mpg|mpeg)$""",
+    RegexOption.IGNORE_CASE,
+  )
+
+  /** Camera, screen-recorder and messaging-app naming schemes. */
+  private val RECORDING_NAME = Regex(
+    """^(VID|PXL|IMG|MVIMG|MOV|DSC|GOPR|GX\d{2}|Screen[_ ]?Recording|Screenrecorder|Record|signal|WhatsApp Video)[-_ ]?\d.*""",
+    RegexOption.IGNORE_CASE,
+  )
+
+  /**
+   * [realArtist] is the artist/album-artist tag only, not the display-subtitle fallback,
+   * which players fill with folder names and the like.
+   */
+  fun isNonMusic(packageName: String, title: String?, realArtist: String?): Boolean {
+    val name = title?.trim().orEmpty()
+    if (name.isEmpty()) return false
+    if (FILE_NAME.matches(name) || RECORDING_NAME.matches(name)) return true
+    return packageName in GENERAL_PLAYERS && realArtist.isNullOrBlank()
+  }
+}