Drafting JNI for mpv API. Refactoring & code cleanup.

mpv_library/Makefile

@@ -0,0 +1,37 @@
+# Compiler
+CC=gcc
+# Flags
+CFLAGS=-O2
+MKDIR_P = mkdir -p
+APP_NAME = mpvjni
+
+all: x86 amd64
+
+x86:
+	$(MKDIR_P) ./x86
+	$(CC) ${CFLAGS} -m32 -c -fPIC -I"${JAVA_HOME}/include" -I"${JAVA_HOME}/include/linux" ${APP_NAME}.c -o ${APP_NAME}_x86.o
+	$(CC) ${CFLAGS} -m32 -shared -fPIC -o ./x86/${APP_NAME}.so ${APP_NAME}_x86.o -lc
+
+amd64:
+	$(MKDIR_P) ./amd64
+	$(CC) ${CFLAGS} -m64 -c -fPIC -I"${JAVA_HOME}/include" -I"${JAVA_HOME}/include/linux" ${APP_NAME}.c -o ${APP_NAME}_amd64.o
+	$(CC) ${CFLAGS} -m64 -shared -fPIC -o ./amd64/${APP_NAME}.so ${APP_NAME}_amd64.o -lc
+
+clean:
+	rm -rf \
+		${APP_NAME}_amd64.o \
+		${APP_NAME}_x86.o \
+		./x86 \
+		./amd64
+
+headers: 
+	cd /src/main/java 
+	javac mplayer4anime/mpv/MpvJni.java -h ../../../mpv_library/
+
+install: x86 amd64
+	install ./x86/${APP_NAME}.so ../src/main/resources/native/linux/x86/
+	install ./amd64/${APP_NAME}.so ../src/main/resources/native/linux/amd64/
+
+uninstall:
+	rm ../src/main/resources/native/linux/x86/${APP_NAME}.so
+	rm ../src/main/resources/native/linux/amd64/${APP_NAME}.so

mpv_library/mplayer4anime_mpv_MpvSlave.h

@@ -0,0 +1,21 @@
+/* DO NOT EDIT THIS FILE - it is machine generated */
+#include <jni.h>
+/* Header for class mplayer4anime_mpv_MpvSlave */
+
+#ifndef _Included_mplayer4anime_mpv_MpvSlave
+#define _Included_mplayer4anime_mpv_MpvSlave
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*
+ * Class:     mplayer4anime_mpv_MpvSlave
+ * Method:    play
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_mplayer4anime_mpv_MpvSlave_play
+  (JNIEnv *, jobject);
+
+#ifdef __cplusplus
+}
+#endif
+#endif

mpv_library/mpvjni.c

@@ -0,0 +1,6 @@
+#include <mpv/client.h>
+#include "mplayer4anime_mpv_MpvSlave.h"
+
+JNIEXPORT void JNICALL Java_mplayer4anime_mpv_MpvSlave_play(JNIEnv * jnienv, jobject jobject){
+
+};

src/main/java/mplayer4anime/AppPreferences.java

@@ -122,4 +122,7 @@ public class AppPreferences {
 
     public double getSceneHeight(){ return preferences.getDouble("window_height", 800.0); }
     public void setSceneHeight(double value){ preferences.putDouble("window_height", value); }
+
+    public int getBackendEngineIndexId(){ return preferences.getInt("backend_player", 0); }
+    public void setBackendEngineIndexId(int value){ preferences.putInt("backend_player", value); }
 }

src/main/java/mplayer4anime/Controller.java

@@ -32,6 +32,8 @@ import mplayer4anime.Playlists.Playlists;
 import mplayer4anime.Settings.SettingsWindow;
 import mplayer4anime.appPanes.ControllerPane;
 import mplayer4anime.appPanes.ControllerSUB;
+import mplayer4anime.mplayer.MplayerSlave;
+import mplayer4anime.mpv.MpvSlave;
 
 import java.io.*;
 import java.net.URL;
@@ -56,12 +58,10 @@ public class Controller implements Initializable {
     private final AppPreferences appPreferences = AppPreferences.getINSTANCE();
 
     private ResourceBundle resourceBundle;
-    // Get host services for opening URLs etc.
     private HostServices hostServices;
-
     private String currentPlaylistLocation;
-
+    private String backend;
-    private MplayerSlave mplayer;
+    private ISlaveModeAppOrchestration player;
 
     // If application started with playlist passed as an argument, then we'll try to load it (if it's valid).
     public void setPlaylistAsArgument(String playlist) {
@@ -96,8 +96,14 @@ public class Controller implements Initializable {
                 continue;
             addRecentlyOpened(recentPlaylists[i]);
         }
-
+        if (appPreferences.getBackendEngineIndexId() == 0) {
-        mplayer = new MplayerSlave(resourceBundle);
+            backend = "mplayer";
+            player = new MplayerSlave(resourceBundle);
+        }
+        else {
+            backend = "mpv";
+            player = new MpvSlave(resourceBundle);
+        }
     }
 
     void setHostServices(HostServices hostServices) {
@@ -126,11 +132,15 @@ public class Controller implements Initializable {
     }
 
     @FXML
-    private void infoBtn(){ new AboutWindow(this.hostServices); } // TODO: fix this shit with hostSerivces that doesn't work @ linux
+    private void infoBtn(){
+        new AboutWindow(this.hostServices);
+    } // TODO: fix this shit with hostSerivces that doesn't work @ linux
 
     /**             SETTINGS HANDLE          */
     @FXML
-    private void settingsBtn(){ new SettingsWindow(); }
+    private void settingsBtn(){
+        new SettingsWindow();
+    }
     // Get event that notify application in case some settings has been changed
     // This function called from MediatorControl after mediator receives request form SettingsController indicating that user updated some required fields.
     void updateAfterSettingsChanged(){
@@ -138,6 +148,18 @@ public class Controller implements Initializable {
         subPaneController.setEncoding(appPreferences.getSubsEncodingList(), null);
         // In case of application failure should be better to save this immediately
         appPreferences.setLastTimeUsedSubsEncoding(subPaneController.getSelectedEncoding());
+        switchBackend(appPreferences.getBackendEngineIndexId());
+    }
+    private void switchBackend(int newBackEndId){
+        if (newBackEndId == 0 && backend.equals("mpv")){
+            backend = "mplayer";
+            player = new MplayerSlave(resourceBundle);
+            return;
+        }
+        if (newBackEndId == 1 && backend.equals("mplayer")){
+            backend = "mpv";
+            player = new MpvSlave(resourceBundle);
+        }
     }
 
     @FXML
@@ -147,44 +169,51 @@ public class Controller implements Initializable {
     }
     private void setAllLists(JsonStorage jsonStorage){
         if (jsonStorage != null) {
-            mkvPaneController.cleanList();
-            mkaPaneController.cleanList();
-            subPaneController.cleanList();
             mkvPaneController.setFilesFromList(jsonStorage.getVideo());
             mkaPaneController.setFilesFromList(jsonStorage.getAudio());
             subPaneController.setFilesFromList(jsonStorage.getSubs());
             subPaneController.selectEncodingValue(jsonStorage.getSubEncoding(), appPreferences);
 
-            currentPlaylistLocation = Playlists.getPlaylistLocation();                 // TODO: Implement listener? mmm...
+            currentPlaylistLocation = Playlists.getPlaylistLocation();              // TODO: Implement listener? mmm...
-            //System.out.println(currentPlaylistLocation);
             statusLbl.setText(currentPlaylistLocation);
             addRecentlyOpened(currentPlaylistLocation);
         }
     }
     @FXML
     private void saveBtn() {
-        if (mkvPaneController.getElementsCount() == 0)
+        if (mkvPaneController.getElementsCount() == 0) {
-            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"), resourceBundle.getString("ErrorUnableToSaveEmptyPlaylist"));
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
-        else {
+                    resourceBundle.getString("ErrorUnableToSaveEmptyPlaylist"));
-            JsonStorage jsonStorage = new JsonStorage(mkvPaneController.getElementsAll(), mkaPaneController.getElementsAll(), subPaneController.getElementsAll(), subPaneController.getSelectedEncoding());
+            return;
-            if (Playlists.SaveCurrent(resourceBundle, jsonStorage)) {
+        }
-                this.currentPlaylistLocation = Playlists.getPlaylistLocation();
+        JsonStorage jsonStorage = new JsonStorage(
-                this.statusLbl.setText(currentPlaylistLocation);    //TODO: update header of the application to include this?
+                mkvPaneController.getElementsAll(),
-                addRecentlyOpened(currentPlaylistLocation);
+                mkaPaneController.getElementsAll(),
-            }
+                subPaneController.getElementsAll(),
+                subPaneController.getSelectedEncoding());
+        if (Playlists.SaveCurrent(resourceBundle, jsonStorage)) {
+            this.currentPlaylistLocation = Playlists.getPlaylistLocation();
+            this.statusLbl.setText(currentPlaylistLocation);    //TODO: update header of the application to include this?
+            addRecentlyOpened(currentPlaylistLocation);
         }
     }
     @FXML
     private void saveAsBtn() {
-        if (mkvPaneController.getElementsCount() == 0)
+        if (mkvPaneController.getElementsCount() == 0) {
-            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"), resourceBundle.getString("ErrorUnableToSaveEmptyPlaylist"));
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
-        else {
+                    resourceBundle.getString("ErrorUnableToSaveEmptyPlaylist"));
-            JsonStorage jsonStorage = new JsonStorage(mkvPaneController.getElementsAll(), mkaPaneController.getElementsAll(), subPaneController.getElementsAll(), subPaneController.getSelectedEncoding());
+            return;
-            if (Playlists.SaveAs(resourceBundle, jsonStorage)) {
+        }
-                this.currentPlaylistLocation = Playlists.getPlaylistLocation();
+
-                this.statusLbl.setText(currentPlaylistLocation);    //TODO: update header of the application to include this?
+        JsonStorage jsonStorage = new JsonStorage(
-                addRecentlyOpened(currentPlaylistLocation);
+                mkvPaneController.getElementsAll(),
-            }
+                mkaPaneController.getElementsAll(),
+                subPaneController.getElementsAll(),
+                subPaneController.getSelectedEncoding());
+        if (Playlists.SaveAs(resourceBundle, jsonStorage)) {
+            this.currentPlaylistLocation = Playlists.getPlaylistLocation();
+            this.statusLbl.setText(currentPlaylistLocation);    //TODO: update header of the application to include this?
+            addRecentlyOpened(currentPlaylistLocation);
         }
     }
     @FXML
@@ -223,15 +252,15 @@ public class Controller implements Initializable {
     /* PLAYER */
     @FXML
     private void subsTriggerBtn(){
-        mplayer.subtitlesSwitch();
+        player.subtitlesSwitch();
     }
     @FXML
     private void fullscreenBtn(){
-        mplayer.fullscreenSwitch();
+        player.fullscreenSwitch();
     }
     @FXML
     private void muteBtn(){
-        mplayer.mute();
+        player.mute();
     }
     @FXML
     private void playPrevTrackBtn(){
@@ -240,7 +269,7 @@ public class Controller implements Initializable {
             return;
 
         mkvPaneController.setElementSelectedByIndex(index-1);
-        mplayer.forcePlay(appPreferences.getPath(),
+        player.forcePlay(appPreferences.getPath(),
                 mkvPaneController.getElementSelected(),
                 mkaPaneController.getElementSelected(),
                 subPaneController.getElementSelected(),
@@ -265,7 +294,7 @@ public class Controller implements Initializable {
             subPaneController.setElementSelectedByIndex(index + 1);
         }
 
-        mplayer.forcePlay(appPreferences.getPath(),
+        player.forcePlay(appPreferences.getPath(),
                 mkvPaneController.getElementSelected(),
                 mkaPaneController.getElementSelected(),
                 subPaneController.getElementSelected(),
@@ -279,7 +308,7 @@ public class Controller implements Initializable {
         if (mkvPaneController.getElementSelected() == null)
             return;
 
-        mplayer.playPause(appPreferences.getPath(),
+        player.playPause(appPreferences.getPath(),
                 mkvPaneController.getElementSelected(),
                 mkaPaneController.getElementSelected(),
                 subPaneController.getElementSelected(),
@@ -290,15 +319,15 @@ public class Controller implements Initializable {
     }
     @FXML
     private void stopBtn(){
-        mplayer.stop();
+        player.stop();
     }
     @FXML
     private void volumeUpBtn(){
-        mplayer.volumeUp();
+        player.volumeUp();
     }
     @FXML
     private void volumeDownBtn(){
-        mplayer.volumeDown();
+        player.volumeDown();
     }
 }
 

src/main/java/mplayer4anime/IMediatorContol.java

@@ -1,6 +0,0 @@
-package mplayer4anime;
-
-public interface IMediatorContol {
-    void registerMainController(mplayer4anime.Controller mc);
-    void sentUpdates();
-}

src/main/java/mplayer4anime/IPC/ServerSocketProvider.java

@@ -1,3 +1,21 @@
+/*
+    Copyright 2018-2021 Dmitry Isaenko
+
+    This file is part of mplayer4anime.
+
+    mplayer4anime is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    mplayer4anime is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with mplayer4anime.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package mplayer4anime.IPC;
 
 import javafx.application.Platform;
@@ -11,8 +29,8 @@ import java.net.Socket;
 
 class ServerSocketProvider implements Runnable{
 
-    private ServerSocket serverSocket;
+    private final ServerSocket serverSocket;
-    private Controller controller;
+    private final Controller controller;
 
     ServerSocketProvider(Controller mainCntrl, ServerSocket srvSock){
         this.serverSocket = srvSock;
@@ -42,6 +60,7 @@ class ServerSocketProvider implements Runnable{
             }
         }
         catch (IOException ex){
+            ex.printStackTrace();
             System.out.println("Socket has been closed.");
         }
     }

src/main/java/mplayer4anime/IPC/SingleInstanceHandler.java

@@ -7,6 +7,7 @@ import java.net.InetAddress;
 import java.net.ServerSocket;
 import java.net.Socket;
 
+// TODO: Rewrite and remove. Or just remove.
 public class SingleInstanceHandler implements Runnable{
 
     private ServerSocket servSock;
@@ -41,15 +42,9 @@ public class SingleInstanceHandler implements Runnable{
 
     @Override
     public void run() {
-        while (true) {
+        while (! Thread.currentThread().isInterrupted());
-            if ( Thread.currentThread().isInterrupted() ){
+        try {
-                try {
+            servSock.close();
-                    servSock.close();
+        } catch (IOException ignore) {}
-                } catch (IOException e) {
-                    System.out.println("Internal issue: unable to create client socket.");
-                }
-                break;
-            }
-        }
     }
 }

src/main/java/mplayer4anime/ISlaveModeAppOrchestration.java

@@ -19,5 +19,25 @@
 package mplayer4anime;
 
 public interface ISlaveModeAppOrchestration {
-    // TODO: implement unified interface for mplayer and mpv
+    void subtitlesSwitch();
+    void fullscreenSwitch();
+    void mute();
+    void forcePlay(String mplayerPath,
+                          String VideoFile,
+                          String AudioFile,
+                          String SubtitlesFile,
+                          String subtitlesEncoding,
+                          boolean subtitlesHidden,
+                          boolean isFullscreen);
+    boolean pause();
+    void playPause(String mplayerPath,
+                          String VideoFile,
+                          String AudioFile,
+                          String SubtitlesFile,
+                          String subtitlesEncoding,
+                          boolean subtitlesHidden,
+                          boolean isFullscreen);
+    void stop();
+    void volumeUp();
+    void volumeDown();
 }

src/main/java/mplayer4anime/MediatorControl.java

@@ -1,14 +1,12 @@
 package mplayer4anime;
 
-public class MediatorControl implements IMediatorContol{
+public class MediatorControl{
     private Controller mainController;
 
-    @Override
     public void registerMainController(Controller mc) {
         mainController = mc;
     }
 
-    @Override
     public void sentUpdates() {
         mainController.updateAfterSettingsChanged();
     }

src/main/java/mplayer4anime/Playlists/Playlists.java

@@ -1,3 +1,21 @@
+/*
+    Copyright 2018-2021 Dmitry Isaenko
+
+    This file is part of mplayer4anime.
+
+    mplayer4anime is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    mplayer4anime is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with mplayer4anime.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package mplayer4anime.Playlists;
 
 import com.google.gson.*;
@@ -9,12 +27,10 @@ import java.nio.charset.StandardCharsets;
 import java.util.ResourceBundle;
 
 public class Playlists {
-
     private static String playlistLocation;
+
     //TODO: Show popUp if unable to write! Or nothing to write! Or overwrite!
-    /**
+    //TODO: Disable 'Save' button if no files added
-     * Interface for Save As functionality
-     * */
     public static boolean SaveAs(ResourceBundle resourceBundle, JsonStorage jStorage){
         File playlistFile;
         FileChooser fileChooser = new FileChooser();
@@ -27,48 +43,50 @@ public class Playlists {
 
         return writeFile(resourceBundle, playlistFile, jStorage);
     }
-    /**
+
-     * Interface for Save functionality
-     * */
     public static boolean SaveCurrent(ResourceBundle resourceBundle, JsonStorage jStorage) {
         if (playlistLocation == null || playlistLocation.equals("")){
             return Playlists.SaveAs(resourceBundle, jStorage);
         }
-        else {
+        return writeFile(resourceBundle, new File(playlistLocation), jStorage);
-            return writeFile(resourceBundle, new File(playlistLocation), jStorage);
-        }
     }
 
-    // Working with file itself
+    /**
+     * @return true for success, false for failure
+     * */
     private static boolean writeFile(ResourceBundle resourceBundle, File playlistFile, JsonStorage jStorage){
-        // TODO: Add 'Override pop-up notification!'
+        if (playlistFile == null) {
-        if (playlistFile != null) {
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
-            if (!playlistFile.getAbsolutePath().endsWith(".alpr")) {
+                    "Unable to save: File not selected");// TODO: translate
-                playlistFile = new File(playlistFile.getAbsolutePath() + ".alpr");
-            }
-            try (Writer writer = new OutputStreamWriter(new FileOutputStream(playlistFile.getAbsolutePath()), StandardCharsets.UTF_8))
-            {
-                Gson jsonObject = new GsonBuilder().setPrettyPrinting().create();
-                jsonObject.toJson(jStorage, writer);
-                writer.close();
-
-                playlistLocation = playlistFile.getAbsolutePath();
-                // Return success notification
-                return true;
-
-            } catch (java.io.FileNotFoundException e){
-                ServiceWindow.getErrorNotification(resourceBundle.getString("Error"), resourceBundle.getString("ErrorFileNotFound"));
-            } catch (java.io.UnsupportedEncodingException e){
-                ServiceWindow.getErrorNotification(resourceBundle.getString("Error"), resourceBundle.getString("ErrorOnSaveIncorrectEncoding"));
-            } catch (java.io.IOException e){
-                ServiceWindow.getErrorNotification(resourceBundle.getString("Error"), resourceBundle.getString("ErrorOnSaveIOProblem"));
-            }
             return false;
         }
-        else {
+
-            System.out.println("Unable to save: File not selected");
+        if (!playlistFile.getAbsolutePath().endsWith(".alpr")) {
-            return false;
+            playlistFile = new File(playlistFile.getAbsolutePath() + ".alpr");
         }
+
+        try (Writer writer = new OutputStreamWriter(
+                new FileOutputStream(playlistFile.getAbsolutePath()), StandardCharsets.UTF_8))
+        {
+            Gson jsonObject = new GsonBuilder().setPrettyPrinting().create();
+            jsonObject.toJson(jStorage, writer);
+            writer.close();
+
+            playlistLocation = playlistFile.getAbsolutePath();
+
+            return true;
+
+        } catch (java.io.FileNotFoundException e){
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
+                    resourceBundle.getString("ErrorFileNotFound"));
+        } catch (java.io.UnsupportedEncodingException e){
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
+                    resourceBundle.getString("ErrorOnSaveIncorrectEncoding"));
+        } catch (java.io.IOException e){
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
+                    resourceBundle.getString("ErrorOnSaveIOProblem"));
+        }
+        return false;
     }
     /**
      * Interface for Opening playlists via FileChooser
@@ -89,29 +107,29 @@ public class Playlists {
      * Interface for Opening playlists using file itself
      * */
     public static JsonStorage ReadByPath(ResourceBundle resourceBundle, File playlistFile){
-        if (playlistFile != null) {
+        if (playlistFile == null) {
-            try (Reader reader = new InputStreamReader(new FileInputStream(playlistFile))) {
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
-                JsonStorage jStorage = new Gson().fromJson(reader, JsonStorage.class);
+                    "Playlist file not selected");// TODO: translate
-                if (jStorage != null){
+            return null;
-                    playlistLocation = playlistFile.getAbsolutePath();
+        }
-                    //System.out.println("FILE:|"+playlistLocation+"|");
+
-                    return jStorage;
+        try (Reader reader = new InputStreamReader(new FileInputStream(playlistFile))) {
-                }
+            JsonStorage jStorage = new Gson().fromJson(reader, JsonStorage.class);
-                else
+            if (jStorage != null){
-                    return null;
+                playlistLocation = playlistFile.getAbsolutePath();
-            } catch (java.io.FileNotFoundException e){
+                return jStorage;
-                ServiceWindow.getErrorNotification(resourceBundle.getString("Error"), resourceBundle.getString("ErrorFileNotFound"));
-            } catch (com.google.gson.JsonSyntaxException e){
-                ServiceWindow.getErrorNotification(resourceBundle.getString("Error"), resourceBundle.getString("ErrorOnOpenIncorrectFormatOfFile"));
-            } catch (java.io.IOException e){
-                ServiceWindow.getErrorNotification(resourceBundle.getString("Error"), resourceBundle.getString("ErrorOnOpenIOProblem"));
             }
-            return null;
+        } catch (java.io.FileNotFoundException e){
-        }
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
-        else {
+                    resourceBundle.getString("ErrorFileNotFound"));
-            System.out.println("Playlist file not selected");
+        } catch (com.google.gson.JsonSyntaxException e){
-            return null;
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
+                    resourceBundle.getString("ErrorOnOpenIncorrectFormatOfFile"));
+        } catch (java.io.IOException e){
+            ServiceWindow.getErrorNotification(resourceBundle.getString("Error"),
+                    resourceBundle.getString("ErrorOnOpenIOProblem"));
         }
+        return null;
     }
 
     /** Return path to file opened */

src/main/java/mplayer4anime/ServiceWindow.java

@@ -20,6 +20,7 @@ package mplayer4anime;
 
 import javafx.scene.control.Alert;
 import javafx.scene.layout.Region;
+import javafx.stage.Stage;
 
 /**
  * Creates window with notification
@@ -30,7 +31,13 @@ public class ServiceWindow {
         alertBox.setTitle(title);
         alertBox.setHeaderText(null);
         alertBox.setContentText(body);
-        alertBox.getDialogPane().setMinHeight(Region.USE_PREF_SIZE);        // Java bug workaround for linux
+        alertBox.getDialogPane().setMinWidth(Region.USE_PREF_SIZE);
+        alertBox.getDialogPane().setMinHeight(Region.USE_PREF_SIZE);
+        alertBox.setResizable(true);
         alertBox.show();
+
+        Stage dialogStage = (Stage) alertBox.getDialogPane().getScene().getWindow();
+        dialogStage.setAlwaysOnTop(true);
+        dialogStage.toFront();
     }
 }

src/main/java/mplayer4anime/Settings/SettingsController.java

@@ -42,6 +42,8 @@ public class SettingsController implements Initializable {
     private Label pathToMplayerLbl;
     @FXML
     private CheckBox subtitlesFirstCheckBox;
+    @FXML
+    private ChoiceBox<String> backEndEngineChoiceBox;
 
     @Override
     public void initialize(URL url, ResourceBundle resBundle) {
@@ -55,6 +57,8 @@ public class SettingsController implements Initializable {
         subEncodingListController.setList(appPreferences.getSubsEncodingList(), false);
         videoExtensionListController.setList(appPreferences.getVideoExtensionsList(), true);
         audioExtensionListController.setList(appPreferences.getAudioExtensionsList(), true);
+        backEndEngineChoiceBox.getItems().addAll("mplayer", "mpv");
+        backEndEngineChoiceBox.getSelectionModel().select(appPreferences.getBackendEngineIndexId());
     }
 
     @FXML
@@ -103,6 +107,7 @@ public class SettingsController implements Initializable {
         appPreferences.setSubsEncodingList(subEncodingListController.getList());
         appPreferences.setVideoExtensionsList(videoExtensionListController.getList());
         appPreferences.setAudioExtensionsList(audioExtensionListController.getList());
+        appPreferences.setBackendEngineIndexId(backEndEngineChoiceBox.getSelectionModel().getSelectedIndex());
 
         MediatorControl.getInstance().sentUpdates();    // TODO: implement list to track what should be updated
     }

src/main/java/mplayer4anime/appPanes/ControllerPane.java

@@ -238,6 +238,7 @@ public class ControllerPane implements Initializable {
      * Set files using lists. Used if playlist loaded
      * */
     public void setFilesFromList(String[] fileLocations){
+        cleanList();
         if (fileLocations != null && fileLocations.length != 0) {
             File[] files = new File[fileLocations.length];
             for (int i=0; i < fileLocations.length; i++)

src/main/java/mplayer4anime/mplayer/LineRedirecter.java

@@ -16,7 +16,7 @@
     You should have received a copy of the GNU General Public License
     along with mplayer4anime.  If not, see <https://www.gnu.org/licenses/>.
  */
-package mplayer4anime;
+package mplayer4anime.mplayer;
 
 import java.io.*;
 

src/main/java/mplayer4anime/mplayer/MplayerSlave.java

@@ -16,7 +16,10 @@
     You should have received a copy of the GNU General Public License
     along with mplayer4anime.  If not, see <https://www.gnu.org/licenses/>.
  */
-package mplayer4anime;
+package mplayer4anime.mplayer;
+
+import mplayer4anime.ISlaveModeAppOrchestration;
+import mplayer4anime.ServiceWindow;
 
 import java.io.*;
 import java.util.ResourceBundle;
@@ -42,7 +45,7 @@ public class MplayerSlave implements ISlaveModeAppOrchestration {
         }
         return false;
     }
-
+    @Override
     public void subtitlesSwitch(){
         if (! playerSingleCommand("get_sub_visibility"))
             return;
@@ -66,15 +69,15 @@ public class MplayerSlave implements ISlaveModeAppOrchestration {
             System.out.println("Can't determine whether subtitles enabled or disabled");
         }
     }
-
+    @Override
     public void fullscreenSwitch(){
         playerSingleCommand("vo_fullscreen");
     }
-
+    @Override
     public void mute(){
         playerSingleCommand("mute");
     }
-
+    @Override
     public void forcePlay(String mplayerPath,
                           String VideoFile,
                           String AudioFile,
@@ -94,7 +97,7 @@ public class MplayerSlave implements ISlaveModeAppOrchestration {
             e.printStackTrace();
         }
     }
-
+    @Override
     public boolean pause(){
         if (player == null || !player.isAlive())
             return false;
@@ -103,7 +106,7 @@ public class MplayerSlave implements ISlaveModeAppOrchestration {
         playerIn.flush();
         return true;
     }
-
+    @Override
     public void playPause(String mplayerPath,
                           String VideoFile,
                           String AudioFile,
@@ -155,15 +158,15 @@ public class MplayerSlave implements ISlaveModeAppOrchestration {
             ServiceWindow.getErrorNotification(resourceBundle.getString("Error"), resourceBundle.getString("ErrorUnableToStartMplayer"));
         }
     }
-
+    @Override
     public void stop(){
         playerSingleCommand("stop");
     }
-
+    @Override
     public void volumeUp(){
         playerSingleCommand("volume +1 0");
     }
-
+    @Override
     public void volumeDown(){
         playerSingleCommand("volume -1 0");
     }

src/main/java/mplayer4anime/mpv/MpvJniLibraryLoader.java

@@ -0,0 +1,108 @@
+/*
+    Copyright 2018-2021 Dmitry Isaenko
+     
+    This file is part of mplayer4anime.
+
+    mplayer4anime is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    mplayer4anime is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with mplayer4anime.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package mplayer4anime.mpv;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URISyntaxException;
+import java.net.URL;
+
+public final class MpvJniLibraryLoader {
+    private MpvJniLibraryLoader(){}
+    public static boolean load(){
+        String osName = System.getProperty("os.name").toLowerCase().replace(" ", "");
+        String osArch = System.getProperty("os.arch").toLowerCase().replace(" ", "");
+        String libPostfix = "so";
+
+        if (osName.equals("linux")){
+            switch (osArch){
+                case "i386":
+                case "i586":
+                case "i686":
+                    osArch = "x86";
+                    break;
+                case "x86_64":
+                case "amd64":
+                    osArch = "amd64";
+                    break;
+//              case "arm":
+//                  osArch = "arm";
+//                  break;
+                default:
+                    return false;
+            }
+        }
+        else
+            return false;
+
+        final URL url_ = MpvJniLibraryLoader.class.getResource("/native/"+osName+"/"+osArch+"/mpvjni."+libPostfix);
+        if (url_ == null)
+            return false;
+
+        String proto = url_.getProtocol();
+
+        File libraryFile;
+        if (proto.equals("file")){
+            // We can pick file from disk as is.
+            try {
+                libraryFile = new File(url_.toURI());
+            }
+            catch (URISyntaxException e){
+                e.printStackTrace();
+                return false;
+            }
+        }
+        else if (proto.equals("jar")){
+            // We have to export file to temp dir.
+            InputStream inStream = MpvJniLibraryLoader.class.getResourceAsStream("/native/"+osName+"/"+osArch+"/mpvjni."+libPostfix);
+            if (inStream == null)
+                return false;
+            // Create temp folder
+            try{
+                File tmpDirFile = File.createTempFile("jni", null);
+                if (! tmpDirFile.delete())
+                    return false;
+                if (! tmpDirFile.mkdirs())
+                    return false;
+                libraryFile = new File(tmpDirFile, "mpvjni."+libPostfix);
+                byte[] ioBuffer = new byte[8192];
+                FileOutputStream foStream = new FileOutputStream(libraryFile);
+                while (inStream.read(ioBuffer) != -1)
+                    foStream.write(ioBuffer);
+                foStream.close();
+                inStream.close();
+                libraryFile.deleteOnExit();
+                tmpDirFile.deleteOnExit();
+            }
+            catch (IOException ioe){
+                ioe.printStackTrace();
+                return false;
+            }
+        }
+        else
+            return false;
+
+        //System.out.println("LIB LOCATION: "+libraryFile);
+        System.load(libraryFile.getAbsolutePath());
+        //System.out.println("LIB LOADED");
+        return true;
+    }
+}

src/main/java/mplayer4anime/mpv/MpvSlave.java

@@ -0,0 +1,96 @@
+/*
+    Copyright 2018-2021 Dmitry Isaenko
+     
+    This file is part of mplayer4anime.
+
+    mplayer4anime is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    mplayer4anime is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with mplayer4anime.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package mplayer4anime.mpv;
+
+import mplayer4anime.ISlaveModeAppOrchestration;
+import mplayer4anime.ServiceWindow;
+
+import java.util.ResourceBundle;
+
+public class MpvSlave implements ISlaveModeAppOrchestration {
+    static {
+        if (! MpvJniLibraryLoader.load()){
+            ServiceWindow.getErrorNotification("Error",
+                    "Unable to load mpv back end library. Please use mplayer instead"); // TODO: use bundle & translate
+        }
+    }
+
+    native void play();
+
+    public MpvSlave(ResourceBundle resourceBundle){
+
+    }
+
+    @Override
+    public void subtitlesSwitch() {
+
+    }
+
+    @Override
+    public void fullscreenSwitch() {
+
+    }
+
+    @Override
+    public void mute() {
+
+    }
+
+    @Override
+    public void forcePlay(String mplayerPath,
+                          String VideoFile,
+                          String AudioFile,
+                          String SubtitlesFile,
+                          String subtitlesEncoding,
+                          boolean subtitlesHidden,
+                          boolean isFullscreen) {
+
+    }
+
+    @Override
+    public boolean pause() {
+        return false;
+    }
+
+    @Override
+    public void playPause(String mplayerPath,
+                          String VideoFile,
+                          String AudioFile,
+                          String SubtitlesFile,
+                          String subtitlesEncoding,
+                          boolean subtitlesHidden,
+                          boolean isFullscreen) {
+
+    }
+
+    @Override
+    public void stop() {
+
+    }
+
+    @Override
+    public void volumeUp() {
+
+    }
+
+    @Override
+    public void volumeDown() {
+
+    }
+}

src/main/resources/Settings/SettingsLayout.fxml

@@ -3,6 +3,7 @@
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.control.Button?>
 <?import javafx.scene.control.CheckBox?>
+<?import javafx.scene.control.ChoiceBox?>
 <?import javafx.scene.control.Label?>
 <?import javafx.scene.control.Tab?>
 <?import javafx.scene.control.TabPane?>
@@ -42,6 +43,12 @@
                               <Font name="System Italic" size="12.0" />
                            </font>
                         </Label>
+                        <HBox alignment="CENTER_LEFT" spacing="5.0">
+                           <children>
+                              <Label text="%settings_backendSelect" />
+                              <ChoiceBox fx:id="backEndEngineChoiceBox" prefWidth="150.0" />
+                           </children>
+                        </HBox>
                         <HBox alignment="CENTER_LEFT" VBox.vgrow="NEVER">
                            <children>
                               <CheckBox fx:id="subtitlesFirstCheckBox" mnemonicParsing="false" text="%settings_SubtitlesTabFirst" />

src/main/resources/locale.properties

@@ -53,6 +53,7 @@ settings_Tab_Subtitles=Subtitles
 settings_videoExtensionList=Avaliable video files extensions:
 settings_audioExtensionList=Avaliable audio layer extensions:
 ApplyBtn=Apply
+settings_backendSelect=Backend engine:
 
 
 

src/main/resources/locale_rus.properties

@@ -53,4 +53,5 @@ settings_Tab_Video=\u0412\u0438\u0434\u0435\u043E
 settings_videoExtensionList=\u0414\u043E\u0441\u0442\u0443\u043F\u043D\u044B\u0435 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043D\u0438\u044F \u0434\u043B\u044F \u0444\u0430\u0439\u043B\u043E\u0432 \u0432\u0438\u0434\u0435\u043E:
 settings_audioExtensionList=\u0414\u043E\u0441\u0442\u0443\u043F\u043D\u044B\u0435 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043D\u0438\u044F \u0434\u043B\u044F \u0430\u0443\u0434\u0438\u043E\u0434\u043E\u0440\u043E\u0436\u0435\u043A:
 ApplyBtn=\u041F\u0440\u0438\u043C\u0435\u043D\u0438\u0442\u044C
+settings_backendSelect=\u0414\u0432\u0438\u0436\u043E\u043A \u0432\u043E\u0441\u043F\u0440\u043E\u0438\u0437\u0432\u0435\u0434\u0435\u043D\u0438\u044F: