Choose backend to play media in context menu (#1325)

## Description
Adds a context menu option to choose the player backend or transcoding
to start playback. This allows for temporarily swapping to another
backend without having to updating the settings.

### Related issues
A couple comments have suggested this, but I don't think there's a
specific feature request

### Testing
Emulator

## Screenshots
<img width="1280" height="720" alt="play_with Large"
src="https://github.com/user-attachments/assets/2a75756f-5d7f-45f6-8ea6-a406f3d7f3e1"
/>


## AI or LLM usage
None

app/src/main/java/com/github/damontecres/wholphin/ui/components/ContextMenu.kt

@@ -17,12 +17,14 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
 import com.github.damontecres.wholphin.R
 import com.github.damontecres.wholphin.data.ChosenStreams
 import com.github.damontecres.wholphin.data.model.AudioItem
 import com.github.damontecres.wholphin.data.model.BaseItem
 import com.github.damontecres.wholphin.data.model.ItemPlayback
 import com.github.damontecres.wholphin.data.model.Person
+import com.github.damontecres.wholphin.preferences.PlayerBackend
 import com.github.damontecres.wholphin.ui.letNotEmpty
 import com.github.damontecres.wholphin.ui.nav.Destination
 import com.github.damontecres.wholphin.util.supportedPlayableTypes
@@ -185,6 +187,7 @@ fun ContextMenu(
     val context = LocalContext.current
     var chooseVersion by remember { mutableStateOf<DialogParams?>(null) }
     var showDeleteDialog by remember { mutableStateOf(false) }
+    var showPlayWithDialog by remember { mutableStateOf(false) }
 
     val dialogItems =
         remember(context, item, chosenStreams) {
@@ -211,6 +214,7 @@ fun ContextMenu(
                         ) { idx ->
                             val source = item.data.mediaSources!![idx]
                             actions.onChooseVersion.invoke(item, source)
+                            onDismissRequest.invoke()
                         }
                 },
                 onChooseTracks = { type ->
@@ -239,6 +243,7 @@ fun ContextMenu(
                                                 itemPlayback = chosenStreams?.itemPlayback,
                                             ),
                                         )
+                                        onDismissRequest.invoke()
                                     },
                                     preferredSubtitleLanguage = preferredSubtitleLanguage,
                                 )
@@ -249,6 +254,7 @@ fun ContextMenu(
                     actions.onClearChosenStreams.invoke(chosenStreams)
                 },
                 onClickDelete = { showDeleteDialog = true },
+                onClickPlayWith = { showPlayWithDialog = true },
             )
         }
     DialogPopup(
@@ -281,6 +287,31 @@ fun ContextMenu(
             },
         )
     }
+    if (showPlayWithDialog) {
+        val dialogItems =
+            remember {
+                buildPlayWith(context) { transcode, backend ->
+                    onDismissRequest.invoke()
+                    actions.navigateTo(
+                        Destination.Playback(
+                            itemId = item.id,
+                            positionMs = item.resumeMs,
+                            forceTranscoding = transcode,
+                            backend = backend,
+                        ),
+                    )
+                }
+            }
+        DialogPopup(
+            showDialog = true,
+            title = stringResource(R.string.play_with),
+            dialogItems = dialogItems,
+            onDismissRequest = { showPlayWithDialog = false },
+            dismissOnClick = true,
+            waitToLoad = false,
+            elevation = 3.dp,
+        )
+    }
 }
 
 private fun buildContextMenuItems(
@@ -302,6 +333,7 @@ private fun buildContextMenuItems(
     onShowOverview: () -> Unit,
     onClearChosenStreams: () -> Unit,
     onClickDelete: () -> Unit,
+    onClickPlayWith: () -> Unit,
 ): List<DialogItem> =
     buildList {
         if (showGoTo) {
@@ -316,7 +348,7 @@ private fun buildContextMenuItems(
             )
         }
         if (item.type in supportedPlayableTypes) {
-            if (item.playbackPosition >= Duration.ZERO) {
+            if (item.playbackPosition > Duration.ZERO) {
                 add(
                     DialogItem(
                         context.getString(R.string.resume),
@@ -566,19 +598,12 @@ private fun buildContextMenuItems(
         if (item.type in supportedPlayableTypes) {
             add(
                 DialogItem(
-                    context.getString(R.string.play_with_transcoding),
+                    context.getString(R.string.play_with),
                     Icons.Default.PlayArrow,
-                    dismissOnClick = true,
+                    dismissOnClick = false,
-                ) {
+                    onClick = onClickPlayWith,
-                    actions.navigateTo(
-                        Destination.Playback(
-                            item.id,
-                            item.resumeMs ?: 0L,
-                            forceTranscoding = true,
                 ),
             )
-                },
-            )
         }
         if (item.data.mediaSources?.isNotEmpty() == true) {
             add(
@@ -593,6 +618,35 @@ private fun buildContextMenuItems(
         }
     }
 
+private fun buildPlayWith(
+    context: Context,
+    onClick: (Boolean, PlayerBackend?) -> Unit,
+) = buildList {
+    val entries =
+        PlayerBackend.entries
+            .filterNot { it == PlayerBackend.UNRECOGNIZED }
+            .zip(context.resources.getStringArray(R.array.player_backend_options))
+            .filterNot { it.first == PlayerBackend.PREFER_MPV }
+    entries.forEach { (backend, title) ->
+        add(
+            DialogItem(
+                title,
+                dismissOnClick = true,
+            ) {
+                onClick.invoke(false, backend)
+            },
+        )
+    }
+    add(
+        DialogItem(
+            context.getString(R.string.transcoding),
+            dismissOnClick = true,
+        ) {
+            onClick.invoke(true, null)
+        },
+    )
+}
+
 @Composable
 fun ContextMenu(
     onDismissRequest: () -> Unit,

app/src/main/java/com/github/damontecres/wholphin/ui/nav/DestinationContent.kt

@@ -76,9 +76,25 @@ fun DestinationContent(
             HomeSettingsPage(preferences, modifier)
         }
 
-        is Destination.PlaybackList,
+        is Destination.Playback -> {
-        is Destination.Playback,
+            val backend =
-        -> {
+                destination.backend ?: preferences.appPreferences.playbackPreferences.playerBackend
+            if (backend == PlayerBackend.EXTERNAL_PLAYER) {
+                PlayExternalPage(
+                    preferences = preferences,
+                    destination = destination,
+                    modifier = modifier,
+                )
+            } else {
+                PlaybackPage(
+                    preferences = preferences,
+                    destination = destination,
+                    modifier = modifier,
+                )
+            }
+        }
+
+        is Destination.PlaybackList -> {
             if (preferences.appPreferences.playbackPreferences.playerBackend == PlayerBackend.EXTERNAL_PLAYER) {
                 PlayExternalPage(
                     preferences = preferences,

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

@@ -231,8 +231,11 @@ class PlaybackViewModel
         ) {
             val softwareDecoding =
                 !preferences.appPreferences.playbackPreferences.mpvOptions.enableHardwareDecoding
+            val requestBackend =
+                (destination as? Destination.Playback)?.backend
+                    ?: preferences.appPreferences.playbackPreferences.playerBackend
             val playerBackend =
-                when (preferences.appPreferences.playbackPreferences.playerBackend) {
+                when (requestBackend) {
                     PlayerBackend.UNRECOGNIZED,
                     PlayerBackend.EXO_PLAYER,
                     -> PlayerBackend.EXO_PLAYER

app/src/main/res/values/strings.xml

@@ -771,6 +771,8 @@
     <string name="show_more">Show %1$s more</string>
     <string name="skip_behavior">Skip behavior</string>
     <string name="skip_behavior_summary">For intros, credits, etc</string>
+    <string name="play_with">Play with</string>
+    <string name="transcoding">Transcoding</string>
     <array name="ass_subtitle_modes">
         <item>@string/ass_subtitle_mode_libass</item>
         <item>@string/ass_subtitle_mode_exoplayer</item>