Start working on support for the FFmpeg plugin

app_pojavlauncher/src/main/AndroidManifest.xml

@@ -120,5 +120,7 @@
             android:name=".services.GameService"
             android:process=":game" />
     </application>
-
+    <queries>
+        <package android:name="net.kdt.pojavlaunch.ffmpeg"/>
+    </queries>
 </manifest>

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/Tools.java

@@ -18,6 +18,7 @@ import java.util.*;
 import net.kdt.pojavlaunch.extra.ExtraConstants;
 import net.kdt.pojavlaunch.extra.ExtraCore;
 import net.kdt.pojavlaunch.multirt.MultiRTUtils;
+import net.kdt.pojavlaunch.plugins.FFmpegPlugin;
 import net.kdt.pojavlaunch.prefs.*;
 import net.kdt.pojavlaunch.utils.*;
 import net.kdt.pojavlaunch.value.*;
@@ -179,6 +180,7 @@ public final class Tools {
         javaArgList.add(versionInfo.mainClass);
         javaArgList.addAll(Arrays.asList(launchArgs));
         // ctx.appendlnToLog("full args: "+javaArgList.toString());
+        FFmpegPlugin.discover(activity);
         JREUtils.launchJavaVM(activity, gamedirPath, javaArgList);
     }
 

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/plugins/FFmpegPlugin.java

@@ -0,0 +1,27 @@
+package net.kdt.pojavlaunch.plugins;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.util.Log;
+
+import net.kdt.pojavlaunch.Tools;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Scanner;
+
+public class FFmpegPlugin {
+    public static boolean isAvailable = false;
+    public static String libraryPath;
+    public static void discover(Context context) {
+        PackageManager manager = context.getPackageManager();
+        try {
+            PackageInfo ffmpegPluginInfo = manager.getPackageInfo("net.kdt.pojavlaunch.ffmpeg", PackageManager.GET_SHARED_LIBRARY_FILES);
+            libraryPath = ffmpegPluginInfo.applicationInfo.nativeLibraryDir;
+            isAvailable = true;
+        }catch (Exception e) {
+            Log.i("FFmpegPlugin", "Failed to discover plugin", e);
+        }
+    }
+}

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java

@@ -20,6 +20,7 @@ import java.util.*;
 import net.kdt.pojavlaunch.*;
 import net.kdt.pojavlaunch.extra.ExtraConstants;
 import net.kdt.pojavlaunch.extra.ExtraCore;
+import net.kdt.pojavlaunch.plugins.FFmpegPlugin;
 import net.kdt.pojavlaunch.prefs.*;
 import org.lwjgl.glfw.*;
 
@@ -174,6 +175,9 @@ public class JREUtils {
 
         String libName = is64BitsDevice() ? "lib64" : "lib";
         StringBuilder ldLibraryPath = new StringBuilder();
+        if(FFmpegPlugin.isAvailable) {
+            ldLibraryPath.append(FFmpegPlugin.libraryPath+":");
+        }
         ldLibraryPath.append(
                 Tools.DIR_HOME_JRE + "/" +  Tools.DIRNAME_HOME_JRE + "/jli:" +
                         Tools.DIR_HOME_JRE + "/" + Tools.DIRNAME_HOME_JRE + ":"
@@ -223,6 +227,9 @@ public class JREUtils {
 
         envMap.put("LD_LIBRARY_PATH", LD_LIBRARY_PATH);
         envMap.put("PATH", Tools.DIR_HOME_JRE + "/bin:" + Os.getenv("PATH"));
+        if(FFmpegPlugin.isAvailable) {
+            envMap.put("PATH", FFmpegPlugin.libraryPath+":"+envMap.get("PATH"));
+        }
 
         envMap.put("REGAL_GL_VENDOR", "Android");
         envMap.put("REGAL_GL_RENDERER", "Regal");
@@ -317,6 +324,7 @@ public class JREUtils {
         initJavaRuntime();
         setupExitTrap(activity.getApplication());
         chdir(gameDirectory == null ? Tools.DIR_GAME_NEW : gameDirectory);
+        FFmpegPlugin.selfTest();
         userArgs.add(0,"java"); //argv[0] is the program name according to C standard.
 
         final int exitCode = VMLauncher.launchJVM(userArgs.toArray(new String[0]));