Add experimental libMPV player

app/build.gradle.kts

@@ -103,6 +103,8 @@ dependencies {
     implementation("com.google.android.exoplayer:exoplayer-ui:$exoplayerVersion")
     implementation(files("libs/extension-ffmpeg-release.aar"))
 
+    implementation(files("libs/libmpv/app-release.aar"))
+
     // Timber
     val timberVersion = "5.0.1"
     implementation("com.jakewharton.timber:timber:$timberVersion")

app/src/main/assets/mpv.conf

@@ -0,0 +1,14 @@
+#vo=mediacodec_embed
+# hwdec: try to use hardware decoding
+hwdec=mediacodec-copy
+hwdec-codecs="h264,hevc,mpeg4,mpeg2video,vp8,vp9,av1"
+gpu-dumb-mode=auto
+# tls: allow self signed certificate
+tls-verify=no
+tls-ca-file=""
+# demuxer: limit cache to 32 MiB, the default is too high for mobile devices
+demuxer-max-bytes=32MiB
+demuxer-max-back-bytes=32MiB
+# sub: scale subtitles with video
+sub-scale-with-window=no
+sub-use-margins=no

app/src/main/java/dev/jdtech/jellyfin/mpv/TrackType.java

@@ -0,0 +1,14 @@
+package dev.jdtech.jellyfin.mpv;
+
+import androidx.annotation.StringDef;
+
+@StringDef({
+        TrackType.VIDEO,
+        TrackType.AUDIO,
+        TrackType.SUBTITLE,
+})
+public @interface TrackType {
+    String VIDEO = "video";
+    String AUDIO = "audio";
+    String SUBTITLE = "sub";
+}

app/src/main/java/dev/jdtech/jellyfin/viewmodels/PlayerActivityViewModel.kt

@@ -12,6 +12,7 @@ import com.google.android.exoplayer2.*
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector
 import dagger.hilt.android.lifecycle.HiltViewModel
 import dev.jdtech.jellyfin.models.PlayerItem
+import dev.jdtech.jellyfin.mpv.MPVPlayer
 import dev.jdtech.jellyfin.repository.JellyfinRepository
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
@@ -26,7 +27,7 @@ constructor(
     application: Application,
     private val jellyfinRepository: JellyfinRepository
 ) : ViewModel(), Player.Listener {
-    var player: SimpleExoPlayer
+    var player: BasePlayer
 
     private val _navigateBack = MutableLiveData<Boolean>()
     val navigateBack: LiveData<Boolean> = _navigateBack
@@ -38,18 +39,24 @@ constructor(
     private val sp = PreferenceManager.getDefaultSharedPreferences(application)
 
     init {
-        val renderersFactory =
-            DefaultRenderersFactory(application).setExtensionRendererMode(DefaultRenderersFactory.EXTENSION_RENDERER_MODE_ON)
-        val trackSelector = DefaultTrackSelector(application)
-        trackSelector.setParameters(
-            trackSelector.buildUponParameters()
-                .setTunnelingEnabled(true)
-                .setPreferredAudioLanguage(sp.getString("audio_language", null))
-                .setPreferredTextLanguage(sp.getString("subtitle_language", null))
-        )
+        val useMpv = sp.getBoolean("mpv_player", false)
+
+        if (useMpv) {
+            player = MPVPlayer(application, false)
+        } else {
+            val renderersFactory =
+                DefaultRenderersFactory(application).setExtensionRendererMode(DefaultRenderersFactory.EXTENSION_RENDERER_MODE_ON)
+            val trackSelector = DefaultTrackSelector(application)
+            trackSelector.setParameters(
+                trackSelector.buildUponParameters()
+                    .setTunnelingEnabled(true)
+                    .setPreferredAudioLanguage(sp.getString("audio_language", null))
+                    .setPreferredTextLanguage(sp.getString("subtitle_language", null))
+            )
         player = SimpleExoPlayer.Builder(application, renderersFactory)
             .setTrackSelector(trackSelector)
             .build()
+        }
     }
 
     fun initializePlayer(
@@ -75,9 +82,17 @@ constructor(
                 Timber.e(e)
             }
 
-            player.setMediaItems(mediaItems, currentWindow, items[0].playbackPosition)
-            player.playWhenReady = playWhenReady
-            player.prepare()
+            val useMpv = sp.getBoolean("mpv_player", false)
+
+            if (useMpv) {
+                player.setMediaItem(mediaItems[0])
+                player.prepare()
+                player.play()
+            } else {
+                player.setMediaItems(mediaItems, currentWindow, items[0].playbackPosition)
+                player.playWhenReady = playWhenReady
+                player.prepare()
+            }
         }
 
         pollPosition(player)
@@ -104,7 +119,7 @@ constructor(
             player.release()
     }
 
-    private fun pollPosition(player: SimpleExoPlayer) {
+    private fun pollPosition(player: BasePlayer) {
         val handler = Handler(Looper.getMainLooper())
         val runnable = object : Runnable {
             override fun run() {

app/src/main/res/xml/fragment_settings.xml

@@ -39,6 +39,17 @@
             app:useSimpleSummaryProvider="true" />
     </PreferenceCategory>
 
+    <PreferenceCategory app:title="Player">
+        <SwitchPreference
+            app:key="mpv_player"
+            app:title="MPV Player"
+            app:summary="Use the experimental MPV Player to play videos. MPV has support for more video, audio and subtitle codecs."/>
+        <SwitchPreference
+            app:dependency="mpv_player"
+            app:title="Force software decoding"
+            app:summary="Disable hardware decoding and use software decoding. Can be useful if hardware decoding gives weird artifacts."/>
+    </PreferenceCategory>
+
     <PreferenceCategory app:title="@string/about">
 
         <Preference