Fix Audio Crossfade

app/src/main/java/code/name/monkey/retromusic/service/CrossFadePlayer.kt

@@ -120,20 +120,9 @@ class CrossFadePlayer(val context: Context) : Playback, MediaPlayer.OnCompletion
     override val isPlaying: Boolean
         get() = mIsInitialized && getCurrentPlayer()?.isPlaying == true
 
-    // This has to run when queue is changed or song is changed manually by user
+    override fun setDataSource(path: String, force: Boolean): Boolean {
-    fun sourceChangedByUser() {
-        hasDataSource = false
-        cancelFade()
-        getCurrentPlayer()?.apply {
-            if (isPlaying) stop()
-        }
-        getNextPlayer()?.apply {
-            if (isPlaying) stop()
-        }
-    }
-
-    override fun setDataSource(path: String): Boolean {
         cancelFade()
+        if (force) hasDataSource = false
         mIsInitialized = false
         /* We've already set DataSource if initialized is true in setNextDataSource */
         if (!hasDataSource) {
@@ -154,7 +143,7 @@ class CrossFadePlayer(val context: Context) : Playback, MediaPlayer.OnCompletion
      */
     private fun setDataSourceImpl(
         player: MediaPlayer,
-        path: String
+        path: String,
     ): Boolean {
         player.reset()
         player.setOnPreparedListener(null)

app/src/main/java/code/name/monkey/retromusic/service/MultiPlayer.java

@@ -30,6 +30,8 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.preference.PreferenceManager;
 
+import org.jetbrains.annotations.NotNull;
+
 import code.name.monkey.appthemehelper.util.VersionUtils;
 import code.name.monkey.retromusic.ConstantsKt;
 import code.name.monkey.retromusic.R;
@@ -66,7 +68,7 @@ public class MultiPlayer
      * @return True if the <code>player</code> has been prepared and is ready to play, false otherwise
      */
     @Override
-    public boolean setDataSource(@NonNull final String path) {
+    public boolean setDataSource(@NotNull final String path, boolean force) {
         mIsInitialized = false;
         mIsInitialized = setDataSourceImpl(mCurrentMediaPlayer, path);
         if (mIsInitialized) {

app/src/main/java/code/name/monkey/retromusic/service/MusicService.kt

@@ -92,6 +92,7 @@ import code.name.monkey.retromusic.util.PreferenceUtil.unregisterOnSharedPrefere
 import code.name.monkey.retromusic.volume.AudioVolumeObserver
 import code.name.monkey.retromusic.volume.OnAudioVolumeChangedListener
 import com.bumptech.glide.request.target.CustomTarget
+import com.bumptech.glide.request.target.Target
 import com.bumptech.glide.request.transition.Transition
 import org.koin.java.KoinJavaComponent.get
 import java.util.*
@@ -910,14 +911,6 @@ class MusicService : MediaBrowserServiceCompat(),
     }
 
     fun playSongAtImpl(position: Int) {
-        if (!trackEndedByCrossfade) {
-            // This is only imp if we are using crossfade
-            if (playback is CrossFadePlayer) {
-                (playback as CrossFadePlayer).sourceChangedByUser()
-            }
-        } else {
-            trackEndedByCrossfade = false
-        }
         if (openTrackAndPrepareNextAt(position)) {
             play()
         } else {
@@ -1285,9 +1278,15 @@ class MusicService : MediaBrowserServiceCompat(),
 
     @Synchronized
     private fun openCurrent(): Boolean {
+        val force = if (!trackEndedByCrossfade) {
+            true
+        } else {
+            trackEndedByCrossfade = false
+            false
+        }
         return try {
             if (playback != null) {
-                return playback!!.setDataSource(getTrackUri(currentSong))
+                return playback!!.setDataSource(getTrackUri(currentSong), force)
             } else false
         } catch (e: Exception) {
             e.printStackTrace()

app/src/main/java/code/name/monkey/retromusic/service/playback/Playback.kt

@@ -23,7 +23,7 @@ interface Playback {
 
     val audioSessionId: Int
 
-    fun setDataSource(path: String): Boolean
+    fun setDataSource(path: String, force: Boolean): Boolean
 
     fun setNextDataSource(path: String?)