add default hwdec setting

app/src/main/java/eu/kanade/tachiyomi/ui/player/PlayerActivity.kt

@@ -322,6 +322,8 @@ class PlayerActivity :
         setMpvConf()
         val logLevel = if (networkPreferences.verboseLogging().get()) "info" else "warn"
         player.initialize(applicationContext.filesDir.path, logLevel)
+        val hwDec = playerPreferences.standardHwDec().get()
+        MPVLib.setOptionString("hwdec", hwDec)
         MPVLib.setOptionString("keep-open", "always")
         MPVLib.setOptionString("ytdl", "no")
         MPVLib.addLogObserver(this)
@@ -1054,8 +1056,23 @@ class PlayerActivity :
 
     @Suppress("UNUSED_PARAMETER")
     fun switchDecoder(view: View) {
-        player.cycleHwdec()
-        playerPreferences.playerViewMode().get()
+        val standardHwDec = playerPreferences.standardHwDec().get()
+        val currentHwDec = player.hwdecActive
+
+        if (standardHwDec == currentHwDec) {
+            val hwDecEnabled = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                "mediacodec"
+            } else {
+                "mediacodec-copy"
+            }
+            val otherHwDec = when (standardHwDec) {
+                "no" -> hwDecEnabled
+                else -> "no"
+            }
+            MPVLib.setPropertyString("hwdec", otherHwDec)
+        } else {
+            MPVLib.setOptionString("hwdec", standardHwDec)
+        }
         playerControls.updateDecoderButton()
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/player/PlayerControlsView.kt

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.ui.player
 import android.annotation.SuppressLint
 import android.content.Context
 import android.content.ContextWrapper
+import android.os.Build
 import android.os.Handler
 import android.os.Looper
 import android.util.AttributeSet
@@ -148,6 +149,7 @@ class PlayerControlsView @JvmOverloads constructor(context: Context, attrs: Attr
 
         // Long click controls
         binding.cycleSpeedBtn.setOnLongClickListener { pickSpeed(); true }
+        binding.cycleDecoderBtn.setOnLongClickListener { pickDecoder(); true }
 
         binding.playbackSeekbar.setOnSeekBarChangeListener(seekBarChangeListener)
 
@@ -362,6 +364,34 @@ class PlayerControlsView @JvmOverloads constructor(context: Context, attrs: Attr
         }
     }
 
+    private fun pickDecoder() {
+        val restore = pauseForDialog()
+
+        val items = mutableListOf(
+            Pair("HW (mediacodec-copy)", "mediacodec-copy"),
+            Pair("SW", "no"),
+        )
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            items.add(0, Pair("HW+ (mediacodec)", "mediacodec"))
+        }
+        var hwdecActive = playerPreferences.standardHwDec().get()
+        val selectedIndex = items.indexOfFirst { it.second == hwdecActive }
+        with(activity.HideBarsMaterialAlertDialogBuilder(activity)) {
+            setTitle(R.string.player_hwdec_dialog_title)
+            setSingleChoiceItems(items.map { it.first }.toTypedArray(), selectedIndex) { _, idx ->
+                hwdecActive = items[idx].second
+            }
+            setPositiveButton(R.string.dialog_ok) { _, _ ->
+                playerPreferences.standardHwDec().set(hwdecActive)
+                MPVLib.setPropertyString("hwdec", hwdecActive)
+            }
+            setNegativeButton(R.string.dialog_cancel) { dialog, _ -> dialog.cancel() }
+            setOnDismissListener { restore() }
+            create()
+            show()
+        }
+    }
+
     private fun speedPickerDialog(
         picker: PickerDialog,
         @StringRes titleRes: Int,

app/src/main/java/eu/kanade/tachiyomi/ui/player/setting/PlayerPreferences.kt

@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.ui.player.setting
 
+import android.os.Build
 import eu.kanade.tachiyomi.core.preference.PreferenceStore
 
 class PlayerPreferences(
@@ -64,4 +65,11 @@ class PlayerPreferences(
     fun waitingTimeAniSkip() = preferenceStore.getInt("pref_waiting_time_aniskip", 5)
 
     fun enableNetflixStyleAniSkip() = preferenceStore.getBoolean("pref_enable_netflixStyle_aniskip", false)
+
+    private val defaultHwDec = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+        "mediacodec"
+    } else {
+        "mediacodec-copy"
+    }
+    fun standardHwDec() = preferenceStore.getString("pref_hwdec", defaultHwDec)
 }

i18n/src/main/res/values/strings.xml

@@ -1134,6 +1134,7 @@
     <string name="player_aniskip_dontskip">Don\'t skip</string>
     <string name="player_aniskip_dontskip_toast">Skip in %d seconds</string>
     <string name="player_aniskip_skip">%s Skipped</string>
+    <string name="player_hwdec_dialog_title">Set default hardware decoding mode</string>
 
     <!-- App widget -->
     <string name="appwidget_updates_description">See your recently updated library entries</string>