replace execute callback with session specific complete callbacks, fixes #197

flutter/flutter/android/src/main/java/com/arthenica/ffmpegkit/flutter/FFmpegKitFlutterPlugin.java

@@ -114,7 +114,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
     // EVENTS
     public static final String EVENT_LOG_CALLBACK_EVENT = "FFmpegKitLogCallbackEvent";
     public static final String EVENT_STATISTICS_CALLBACK_EVENT = "FFmpegKitStatisticsCallbackEvent";
-    public static final String EVENT_EXECUTE_CALLBACK_EVENT = "FFmpegKitExecuteCallbackEvent";
+    public static final String EVENT_COMPLETE_CALLBACK_EVENT = "FFmpegKitCompleteCallbackEvent";
 
     // REQUEST CODES
     public static final int READABLE_REQUEST_CODE = 10000;
@@ -165,7 +165,9 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
     }
 
     protected void registerGlobalCallbacks() {
-        FFmpegKitConfig.enableExecuteCallback(this::emitSession);
+        FFmpegKitConfig.enableFFmpegSessionCompleteCallback(this::emitSession);
+        FFmpegKitConfig.enableFFprobeSessionCompleteCallback(this::emitSession);
+        FFmpegKitConfig.enableMediaInformationSessionCompleteCallback(this::emitSession);
 
         FFmpegKitConfig.enableLogCallback(log -> {
             if (logsEnabled.get()) {
@@ -622,6 +624,9 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
             case "getFFprobeSessions":
                 getFFprobeSessions(result);
                 break;
+            case "getMediaInformationSessions":
+                getMediaInformationSessions(result);
+                break;
             case "getPackageName":
                 getPackageName(result);
                 break;
@@ -827,7 +832,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
         if (session == null) {
             resultHandler.errorAsync(result, "SESSION_NOT_FOUND", "Session not found.");
         } else {
-            if (session instanceof FFmpegSession) {
+            if (session.isFFmpeg()) {
                 final int timeout;
                 if (isValidPositiveNumber(waitTimeout)) {
                     timeout = waitTimeout;
@@ -847,7 +852,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
         if (session == null) {
             resultHandler.errorAsync(result, "SESSION_NOT_FOUND", "Session not found.");
         } else {
-            if (session instanceof FFmpegSession) {
+            if (session.isFFmpeg()) {
                 final List<Statistics> statistics = ((FFmpegSession) session).getStatistics();
                 resultHandler.successAsync(result, toStatisticsMapList(statistics));
             } else {
@@ -1020,7 +1025,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
         if (session == null) {
             resultHandler.errorAsync(result, "SESSION_NOT_FOUND", "Session not found.");
         } else {
-            if (session instanceof FFmpegSession) {
+            if (session.isFFmpeg()) {
                 final FFmpegSessionExecuteTask ffmpegSessionExecuteTask = new FFmpegSessionExecuteTask((FFmpegSession) session, resultHandler, result);
                 asyncExecutorService.submit(ffmpegSessionExecuteTask);
             } else {
@@ -1034,7 +1039,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
         if (session == null) {
             resultHandler.errorAsync(result, "SESSION_NOT_FOUND", "Session not found.");
         } else {
-            if (session instanceof FFprobeSession) {
+            if (session.isFFprobe()) {
                 final FFprobeSessionExecuteTask ffprobeSessionExecuteTask = new FFprobeSessionExecuteTask((FFprobeSession) session, resultHandler, result);
                 asyncExecutorService.submit(ffprobeSessionExecuteTask);
             } else {
@@ -1048,7 +1053,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
         if (session == null) {
             resultHandler.errorAsync(result, "SESSION_NOT_FOUND", "Session not found.");
         } else {
-            if (session instanceof MediaInformationSession) {
+            if (session.isMediaInformation()) {
                 final int timeout;
                 if (isValidPositiveNumber(waitTimeout)) {
                     timeout = waitTimeout;
@@ -1068,7 +1073,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
         if (session == null) {
             resultHandler.errorAsync(result, "SESSION_NOT_FOUND", "Session not found.");
         } else {
-            if (session instanceof FFmpegSession) {
+            if (session.isFFmpeg()) {
                 FFmpegKitConfig.asyncFFmpegExecute((FFmpegSession) session);
                 resultHandler.successAsync(result, null);
             } else {
@@ -1082,7 +1087,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
         if (session == null) {
             resultHandler.errorAsync(result, "SESSION_NOT_FOUND", "Session not found.");
         } else {
-            if (session instanceof FFprobeSession) {
+            if (session.isFFprobe()) {
                 FFmpegKitConfig.asyncFFprobeExecute((FFprobeSession) session);
                 resultHandler.successAsync(result, null);
             } else {
@@ -1096,7 +1101,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
         if (session == null) {
             resultHandler.errorAsync(result, "SESSION_NOT_FOUND", "Session not found.");
         } else {
-            if (session instanceof MediaInformationSession) {
+            if (session.isMediaInformation()) {
                 final int timeout;
                 if (isValidPositiveNumber(waitTimeout)) {
                     timeout = waitTimeout;
@@ -1282,7 +1287,11 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
     // FFprobeKit
 
     protected void getFFprobeSessions(@NonNull final Result result) {
-        resultHandler.successAsync(result, toSessionMapList(FFprobeKit.listSessions()));
+        resultHandler.successAsync(result, toSessionMapList(FFprobeKit.listFFprobeSessions()));
+    }
+
+    protected void getMediaInformationSessions(@NonNull final Result result) {
+        resultHandler.successAsync(result, toSessionMapList(FFprobeKit.listMediaInformationSessions()));
     }
 
     // Packages
@@ -1328,7 +1337,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
         sessionMap.put(KEY_SESSION_COMMAND, session.getCommand());
 
         if (session.isFFprobe()) {
-            if (session instanceof MediaInformationSession) {
+            if (session.isMediaInformation()) {
                 final MediaInformationSession mediaInformationSession = (MediaInformationSession) session;
                 final MediaInformation mediaInformation = mediaInformationSession.getMediaInformation();
                 if (mediaInformation != null) {
@@ -1529,7 +1538,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
 
     protected void emitSession(final Session session) {
         final HashMap<String, Object> sessionMap = new HashMap<>();
-        sessionMap.put(EVENT_EXECUTE_CALLBACK_EVENT, toMap(session));
+        sessionMap.put(EVENT_COMPLETE_CALLBACK_EVENT, toMap(session));
         resultHandler.successAsync(eventSink, sessionMap);
     }
 

flutter/flutter/ios/Classes/FFmpegKitFlutterPlugin.m

@@ -57,7 +57,7 @@ static int const SESSION_TYPE_MEDIA_INFORMATION = 3;
 // EVENTS
 static NSString *const EVENT_LOG_CALLBACK_EVENT = @"FFmpegKitLogCallbackEvent";
 static NSString *const EVENT_STATISTICS_CALLBACK_EVENT = @"FFmpegKitStatisticsCallbackEvent";
-static NSString *const EVENT_EXECUTE_CALLBACK_EVENT = @"FFmpegKitExecuteCallbackEvent";
+static NSString *const EVENT_COMPLETE_CALLBACK_EVENT = @"FFmpegKitCompleteCallbackEvent";
 
 // ARGUMENT NAMES
 static NSString *const ARGUMENT_SESSION_ID = @"sessionId";
@@ -110,9 +110,19 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 }
 
 - (void)registerGlobalCallbacks {
-  [FFmpegKitConfig enableExecuteCallback:^(id<Session> session){
+  [FFmpegKitConfig enableFFmpegSessionCompleteCallback:^(FFmpegSession* session){
     NSDictionary *dictionary = [FFmpegKitFlutterPlugin toSessionDictionary:session];
-    self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_EXECUTE_CALLBACK_EVENT withDictionary:dictionary]);
+    self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_COMPLETE_CALLBACK_EVENT withDictionary:dictionary]);
+  }];
+
+  [FFmpegKitConfig enableFFprobeSessionCompleteCallback:^(FFprobeSession* session){
+    NSDictionary *dictionary = [FFmpegKitFlutterPlugin toSessionDictionary:session];
+    self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_COMPLETE_CALLBACK_EVENT withDictionary:dictionary]);
+  }];
+
+  [FFmpegKitConfig enableMediaInformationSessionCompleteCallback:^(MediaInformationSession* session){
+    NSDictionary *dictionary = [FFmpegKitFlutterPlugin toSessionDictionary:session];
+    self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_COMPLETE_CALLBACK_EVENT withDictionary:dictionary]);
   }];
 
   [FFmpegKitConfig enableLogCallback: ^(Log* log){
@@ -419,6 +429,8 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
     [self getFFmpegSessions:result];
   } else if ([@"getFFprobeSessions" isEqualToString:call.method]) {
     [self getFFprobeSessions:result];
+  } else if ([@"getMediaInformationSessions" isEqualToString:call.method]) {
+    [self getMediaInformationSessions:result];
   } else if ([@"getPackageName" isEqualToString:call.method]) {
     [self getPackageName:result];
   } else if ([@"getExternalLibraries" isEqualToString:call.method]) {
@@ -545,7 +557,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 // FFmpegSession
 
 - (void)ffmpegSession:(NSArray*)arguments result:(FlutterResult)result {
-  FFmpegSession* session = [[FFmpegSession alloc] init:arguments withExecuteCallback:nil withLogCallback:nil withStatisticsCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
+  FFmpegSession* session = [[FFmpegSession alloc] init:arguments withCompleteCallback:nil withLogCallback:nil withStatisticsCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
   result([FFmpegKitFlutterPlugin toSessionDictionary:session]);
 }
 
@@ -554,7 +566,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
   if (session == nil) {
     result([FlutterError errorWithCode:@"SESSION_NOT_FOUND" message:@"Session not found." details:nil]);
   } else {
-    if ([session isMemberOfClass:[FFmpegSession class]]) {
+    if ([session isFFmpeg]) {
       int timeout;
       if ([FFmpegKitFlutterPlugin isValidPositiveNumber:waitTimeout]) {
         timeout = [waitTimeout intValue];
@@ -574,7 +586,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
   if (session == nil) {
     result([FlutterError errorWithCode:@"SESSION_NOT_FOUND" message:@"Session not found." details:nil]);
   } else {
-    if ([session isMemberOfClass:[FFmpegSession class]]) {
+    if ([session isFFmpeg]) {
       NSArray* statistics = [(FFmpegSession*)session getStatistics];
       result([FFmpegKitFlutterPlugin toStatisticsArray:statistics]);
     } else {
@@ -586,14 +598,14 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 // FFprobeSession
 
 - (void)ffprobeSession:(NSArray*)arguments result:(FlutterResult)result {
-  FFprobeSession* session = [[FFprobeSession alloc] init:arguments withExecuteCallback:nil withLogCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
+  FFprobeSession* session = [[FFprobeSession alloc] init:arguments withCompleteCallback:nil withLogCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
   result([FFmpegKitFlutterPlugin toSessionDictionary:session]);
 }
 
 // MediaInformationSession
 
 - (void)mediaInformationSession:(NSArray*)arguments result:(FlutterResult)result {
-  MediaInformationSession* session = [[MediaInformationSession alloc] init:arguments withExecuteCallback:nil withLogCallback:nil];
+  MediaInformationSession* session = [[MediaInformationSession alloc] init:arguments withCompleteCallback:nil withLogCallback:nil];
   result([FFmpegKitFlutterPlugin toSessionDictionary:session]);
 }
 
@@ -733,7 +745,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
   if (session == nil) {
     result([FlutterError errorWithCode:@"SESSION_NOT_FOUND" message:@"Session not found." details:nil]);
   } else {
-    if ([session isMemberOfClass:[FFmpegSession class]]) {
+    if ([session isFFmpeg]) {
       dispatch_async(asyncDispatchQueue, ^{
         [FFmpegKitConfig ffmpegExecute:(FFmpegSession*)session];
         result(nil);
@@ -749,7 +761,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
   if (session == nil) {
     result([FlutterError errorWithCode:@"SESSION_NOT_FOUND" message:@"Session not found." details:nil]);
   } else {
-    if ([session isMemberOfClass:[FFprobeSession class]]) {
+    if ([session isFFprobe]) {
       dispatch_async(asyncDispatchQueue, ^{
         [FFmpegKitConfig ffprobeExecute:(FFprobeSession*)session];
         result(nil);
@@ -765,7 +777,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
   if (session == nil) {
     result([FlutterError errorWithCode:@"SESSION_NOT_FOUND" message:@"Session not found." details:nil]);
   } else {
-    if ([session isMemberOfClass:[MediaInformationSession class]]) {
+    if ([session isMediaInformation]) {
       int timeout;
       if ([FFmpegKitFlutterPlugin isValidPositiveNumber:waitTimeout]) {
         timeout = [waitTimeout intValue];
@@ -787,7 +799,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
   if (session == nil) {
     result([FlutterError errorWithCode:@"SESSION_NOT_FOUND" message:@"Session not found." details:nil]);
   } else {
-    if ([session isMemberOfClass:[FFmpegSession class]]) {
+    if ([session isFFmpeg]) {
       [FFmpegKitConfig asyncFFmpegExecute:(FFmpegSession*)session];
       result(nil);
     } else {
@@ -801,7 +813,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
   if (session == nil) {
     result([FlutterError errorWithCode:@"SESSION_NOT_FOUND" message:@"Session not found." details:nil]);
   } else {
-    if ([session isMemberOfClass:[FFprobeSession class]]) {
+    if ([session isFFprobe]) {
       [FFmpegKitConfig asyncFFprobeExecute:(FFprobeSession*)session];
       result(nil);
     } else {
@@ -815,7 +827,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
   if (session == nil) {
     result([FlutterError errorWithCode:@"SESSION_NOT_FOUND" message:@"Session not found." details:nil]);
   } else {
-    if ([session isMemberOfClass:[MediaInformationSession class]]) {
+    if ([session isMediaInformation]) {
       int timeout;
       if ([FFmpegKitFlutterPlugin isValidPositiveNumber:waitTimeout]) {
         timeout = [waitTimeout intValue];
@@ -1007,7 +1019,11 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 // FFprobeKit
 
 - (void)getFFprobeSessions:(FlutterResult)result {
-  result([FFmpegKitFlutterPlugin toSessionArray:[FFprobeKit listSessions]]);
+  result([FFmpegKitFlutterPlugin toSessionArray:[FFprobeKit listFFprobeSessions]]);
+}
+
+- (void)getMediaInformationSessions:(FlutterResult)result {
+  result([FFmpegKitFlutterPlugin toSessionArray:[FFprobeKit listMediaInformationSessions]]);
 }
 
 // Packages
@@ -1046,7 +1062,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
     dictionary[KEY_SESSION_COMMAND] = [session getCommand];
 
     if ([session isFFprobe]) {
-      if ([(AbstractSession*)session isMemberOfClass:[MediaInformationSession class]]) {
+      if ([session isMediaInformation]) {
         MediaInformationSession *mediaInformationSession = (MediaInformationSession*)session;
         dictionary[KEY_SESSION_MEDIA_INFORMATION] = [FFmpegKitFlutterPlugin toMediaInformationDictionary:[mediaInformationSession getMediaInformation]];
         dictionary[KEY_SESSION_TYPE] = [NSNumber numberWithInt:SESSION_TYPE_MEDIA_INFORMATION];

flutter/flutter/lib/abstract_session.dart

@@ -20,7 +20,6 @@
 import 'package:ffmpeg_kit_flutter_platform_interface/ffmpeg_kit_flutter_platform_interface.dart';
 import 'package:flutter/services.dart';
 
-import 'execute_callback.dart';
 import 'ffmpeg_kit_config.dart';
 import 'ffmpeg_session.dart';
 import 'ffprobe_session.dart';
@@ -35,7 +34,7 @@ import 'session_state.dart';
 import 'src/ffmpeg_kit_factory.dart';
 
 /// Abstract session implementation which includes common features shared by
-/// "FFmpeg" and "FFprobe" sessions.
+/// "FFmpeg", "FFprobe" and "MediaInformation" sessions.
 class AbstractSession extends Session {
   static FFmpegKitPlatform _platform = FFmpegKitPlatform.instance;
 
@@ -221,11 +220,7 @@ class AbstractSession extends Session {
     return session;
   }
 
-  /// Returns the session specific execute callback function.
+  /// Returns the session specific log callback.
-  ExecuteCallback? getExecuteCallback() =>
-      FFmpegKitFactory.getExecuteCallback(this.getSessionId());
-
-  /// Returns the session specific log callback function.
   LogCallback? getLogCallback() =>
       FFmpegKitFactory.getLogCallback(this.getSessionId());
 
@@ -429,6 +424,9 @@ class AbstractSession extends Session {
   /// Returns whether it is an "FFprobe" session or not.
   bool isFFprobe() => false;
 
+  /// Returns whether it is an "MediaInformation" session or not.
+  bool isMediaInformation() => false;
+
   /// Cancels running the session.
   void cancel() {}
 }

flutter/flutter/lib/ffmpeg_kit.dart

@@ -20,9 +20,9 @@
 import 'package:ffmpeg_kit_flutter_platform_interface/ffmpeg_kit_flutter_platform_interface.dart';
 import 'package:flutter/services.dart';
 
-import 'execute_callback.dart';
 import 'ffmpeg_kit_config.dart';
 import 'ffmpeg_session.dart';
+import 'ffmpeg_session_complete_callback.dart';
 import 'log_callback.dart';
 import 'src/ffmpeg_kit_factory.dart';
 import 'statistics_callback.dart';
@@ -35,23 +35,20 @@ class FFmpegKit {
   /// to split command into arguments. You can use single or double quote
   /// characters to specify arguments inside your command.
   static Future<FFmpegSession> execute(String command,
-          [ExecuteCallback? executeCallback = null,
+          [FFmpegSessionCompleteCallback? completeCallback = null,
           LogCallback? logCallback = null,
           StatisticsCallback? statisticsCallback = null]) async =>
-      FFmpegKit.executeWithArguments(
+      FFmpegKit.executeWithArguments(FFmpegKitConfig.parseArguments(command),
-          FFmpegKitConfig.parseArguments(command),
+          completeCallback, logCallback, statisticsCallback);
-          executeCallback,
-          logCallback,
-          statisticsCallback);
 
   /// Synchronously executes FFmpeg with arguments provided.
   static Future<FFmpegSession> executeWithArguments(
       List<String> commandArguments,
-      [ExecuteCallback? executeCallback = null,
+      [FFmpegSessionCompleteCallback? completeCallback = null,
       LogCallback? logCallback = null,
       StatisticsCallback? statisticsCallback = null]) async {
     final session = await FFmpegSession.create(commandArguments,
-        executeCallback, logCallback, statisticsCallback, null);
+        completeCallback, logCallback, statisticsCallback, null);
 
     await FFmpegKitConfig.ffmpegExecute(session);
 
@@ -62,28 +59,28 @@ class FFmpegKit {
   /// into arguments. You can use single or double quote characters to specify arguments inside your command.
   ///
   /// Note that this method returns immediately and does not wait the execution to complete. You must use an
-  /// [ExecuteCallback] if you want to be notified about the result.
+  /// [FFmpegSessionCompleteCallback] if you want to be notified about the result.
   static Future<FFmpegSession> executeAsync(String command,
-          [ExecuteCallback? executeCallback = null,
+          [FFmpegSessionCompleteCallback? completeCallback = null,
           LogCallback? logCallback = null,
           StatisticsCallback? statisticsCallback = null]) async =>
       FFmpegKit.executeWithArgumentsAsync(
           FFmpegKitConfig.parseArguments(command),
-          executeCallback,
+          completeCallback,
           logCallback,
           statisticsCallback);
 
   /// Starts an asynchronous FFmpeg execution with arguments provided.
   ///
   /// Note that this method returns immediately and does not wait the execution to complete. You must use an
-  /// [ExecuteCallback] if you want to be notified about the result.
+  /// [FFmpegSessionCompleteCallback] if you want to be notified about the result.
   static Future<FFmpegSession> executeWithArgumentsAsync(
       List<String> commandArguments,
-      [ExecuteCallback? executeCallback = null,
+      [FFmpegSessionCompleteCallback? completeCallback = null,
       LogCallback? logCallback = null,
       StatisticsCallback? statisticsCallback = null]) async {
     final session = await FFmpegSession.create(commandArguments,
-        executeCallback, logCallback, statisticsCallback, null);
+        completeCallback, logCallback, statisticsCallback, null);
 
     await FFmpegKitConfig.asyncFFmpegExecute(session);
 

flutter/flutter/lib/ffmpeg_kit_config.dart

@@ -20,13 +20,15 @@
 import 'package:ffmpeg_kit_flutter_platform_interface/ffmpeg_kit_flutter_platform_interface.dart';
 import 'package:flutter/services.dart';
 
-import 'execute_callback.dart';
 import 'ffmpeg_session.dart';
+import 'ffmpeg_session_complete_callback.dart';
 import 'ffprobe_session.dart';
+import 'ffprobe_session_complete_callback.dart';
 import 'level.dart';
 import 'log_callback.dart';
 import 'log_redirection_strategy.dart';
 import 'media_information_session.dart';
+import 'media_information_session_complete_callback.dart';
 import 'session.dart';
 import 'session_state.dart';
 import 'signal.dart';
@@ -256,7 +258,7 @@ class FFmpegKitConfig {
   /// Starts an asynchronous FFmpeg execution for the given session.
   ///
   /// Note that this method returns immediately and does not wait the execution to complete. You must use an
-  /// [ExecuteCallback] if you want to be notified about the result.
+  /// [FFmpegSessionCompleteCallback] if you want to be notified about the result.
   static Future<void> asyncFFmpegExecute(FFmpegSession ffmpegSession) async {
     try {
       await init();
@@ -271,7 +273,7 @@ class FFmpegKitConfig {
   /// Starts an asynchronous FFprobe execution for the given session.
   ///
   /// Note that this method returns immediately and does not wait the execution to complete. You must use an
-  /// [ExecuteCallback] if you want to be notified about the result.
+  /// [FFprobeSessionCompleteCallback] if you want to be notified about the result.
   static Future<void> asyncFFprobeExecute(FFprobeSession ffprobeSession) async {
     try {
       await init();
@@ -286,7 +288,7 @@ class FFmpegKitConfig {
   /// Starts an asynchronous FFprobe execution for the given media information session.
   ///
   /// Note that this method returns immediately and does not wait the execution to complete. You must use an
-  /// [ExecuteCallback] if you want to be notified about the result.
+  /// [MediaInformationSessionCompleteCallback] if you want to be notified about the result.
   static Future<void> asyncGetMediaInformationExecute(
       MediaInformationSession mediaInformationSession,
       [int? waitTimeout = null]) async {
@@ -300,22 +302,55 @@ class FFmpegKitConfig {
     }
   }
 
-  /// Sets a global callback function to redirect FFmpeg/FFprobe logs.
+  /// Sets a global callback to redirect FFmpeg/FFprobe logs.
   static void enableLogCallback([LogCallback? logCallback = null]) {
     FFmpegKitFactory.setGlobalLogCallback(logCallback);
   }
 
-  /// Sets a global callback function to redirect FFmpeg statistics.
+  /// Sets a global callback to redirect FFmpeg statistics.
   static void enableStatisticsCallback(
       [StatisticsCallback? statisticsCallback = null]) {
     FFmpegKitFactory.setGlobalStatisticsCallback(statisticsCallback);
   }
 
-  /// Sets a global callback function to receive execution results.
+  /// Sets a global FFmpegSessionCompleteCallback to receive execution results
-  static void enableExecuteCallback([ExecuteCallback? executeCallback = null]) {
+  /// for FFmpeg sessions.
-    FFmpegKitFactory.setGlobalExecuteCallback(executeCallback);
+  static void enableFFmpegSessionCompleteCallback(
+      [FFmpegSessionCompleteCallback? ffmpegSessionCompleteCallback = null]) {
+    FFmpegKitFactory.setGlobalFFmpegSessionCompleteCallback(
+        ffmpegSessionCompleteCallback);
   }
 
+  /// Returns the global FFmpegSessionCompleteCallback set.
+  static FFmpegSessionCompleteCallback? getFFmpegSessionCompleteCallback() =>
+      FFmpegKitFactory.getGlobalFFmpegSessionCompleteCallback();
+
+  /// Sets a global FFprobeSessionCompleteCallback to receive execution results
+  /// for FFprobe sessions.
+  static void enableFFprobeSessionCompleteCallback(
+      [FFprobeSessionCompleteCallback? ffprobeSessionCompleteCallback = null]) {
+    FFmpegKitFactory.setGlobalFFprobeSessionCompleteCallback(
+        ffprobeSessionCompleteCallback);
+  }
+
+  /// Returns the global FFprobeSessionCompleteCallback set.
+  static FFprobeSessionCompleteCallback? getFFprobeSessionCompleteCallback() =>
+      FFmpegKitFactory.getGlobalFFprobeSessionCompleteCallback();
+
+  /// Sets a global MediaInformationSessionCompleteCallback to receive
+  /// execution results for MediaInformation sessions.
+  static void enableMediaInformationSessionCompleteCallback(
+      [MediaInformationSessionCompleteCallback?
+          mediaInformationSessionCompleteCallback = null]) {
+    FFmpegKitFactory.setGlobalMediaInformationSessionCompleteCallback(
+        mediaInformationSessionCompleteCallback);
+  }
+
+  /// Returns the global MediaInformationSessionCompleteCallback set.
+  static MediaInformationSessionCompleteCallback?
+      getMediaInformationSessionCompleteCallback() =>
+          FFmpegKitFactory.getGlobalMediaInformationSessionCompleteCallback();
+
   /// Returns the current log level.
   static int getLogLevel() => _activeLogLevel;
 
@@ -424,6 +459,72 @@ class FFmpegKitConfig {
     }
   }
 
+  /// Returns all FFmpeg sessions in the session history.
+  static Future<List<FFmpegSession>> getFFmpegSessions() async {
+    try {
+      await FFmpegKitConfig.init();
+      return _platform.ffmpegKitListSessions().then((sessions) {
+        if (sessions == null) {
+          return List.empty();
+        } else {
+          return sessions
+              .map((dynamic sessionObject) => FFmpegKitFactory.mapToSession(
+                  sessionObject as Map<dynamic, dynamic>))
+              .map((session) => session as FFmpegSession)
+              .toList();
+        }
+      });
+    } on PlatformException catch (e, stack) {
+      print("Plugin getFFmpegSessions error: ${e.message}");
+      return Future.error("getFFmpegSessions failed.", stack);
+    }
+  }
+
+  /// Returns all FFprobe sessions in the session history.
+  static Future<List<FFprobeSession>> getFFprobeSessions() async {
+    try {
+      await FFmpegKitConfig.init();
+      return _platform.ffprobeKitListFFprobeSessions().then((sessions) {
+        if (sessions == null) {
+          return List.empty();
+        } else {
+          return sessions
+              .map((dynamic sessionObject) => FFmpegKitFactory.mapToSession(
+                  sessionObject as Map<dynamic, dynamic>))
+              .map((session) => session as FFprobeSession)
+              .toList();
+        }
+      });
+    } on PlatformException catch (e, stack) {
+      print("Plugin getFFprobeSessions error: ${e.message}");
+      return Future.error("getFFprobeSessions failed.", stack);
+    }
+  }
+
+  /// Returns all MediaInformation sessions in the session history.
+  static Future<List<MediaInformationSession>>
+      getMediaInformationSessions() async {
+    try {
+      await FFmpegKitConfig.init();
+      return _platform
+          .ffprobeKitListMediaInformationSessions()
+          .then((sessions) {
+        if (sessions == null) {
+          return List.empty();
+        } else {
+          return sessions
+              .map((dynamic sessionObject) => FFmpegKitFactory.mapToSession(
+                  sessionObject as Map<dynamic, dynamic>))
+              .map((session) => session as MediaInformationSession)
+              .toList();
+        }
+      });
+    } on PlatformException catch (e, stack) {
+      print("Plugin getMediaInformationSessions error: ${e.message}");
+      return Future.error("getMediaInformationSessions failed.", stack);
+    }
+  }
+
   /// Returns sessions that have [sessionState].
   static Future<List<Session>> getSessionsByState(
       SessionState sessionState) async {

flutter/flutter/lib/ffmpeg_session.dart

@@ -21,8 +21,8 @@ import 'package:ffmpeg_kit_flutter_platform_interface/ffmpeg_kit_flutter_platfor
 import 'package:flutter/services.dart';
 
 import 'abstract_session.dart';
-import 'execute_callback.dart';
 import 'ffmpeg_kit_config.dart';
+import 'ffmpeg_session_complete_callback.dart';
 import 'log_callback.dart';
 import 'log_redirection_strategy.dart';
 import 'src/ffmpeg_kit_factory.dart';
@@ -33,7 +33,7 @@ import 'statistics_callback.dart';
 class FFmpegSession extends AbstractSession {
   /// Creates a new FFmpeg session with [argumentsArray].
   static Future<FFmpegSession> create(List<String> argumentsArray,
-      [ExecuteCallback? executeCallback = null,
+      [FFmpegSessionCompleteCallback? completeCallback = null,
       LogCallback? logCallback = null,
       StatisticsCallback? statisticsCallback = null,
       LogRedirectionStrategy? logRedirectionStrategy = null]) async {
@@ -41,7 +41,8 @@ class FFmpegSession extends AbstractSession {
         argumentsArray, logRedirectionStrategy);
     final sessionId = session.getSessionId();
 
-    FFmpegKitFactory.setExecuteCallback(sessionId, executeCallback);
+    FFmpegKitFactory.setFFmpegSessionCompleteCallback(
+        sessionId, completeCallback);
     FFmpegKitFactory.setLogCallback(sessionId, logCallback);
     FFmpegKitFactory.setStatisticsCallback(sessionId, statisticsCallback);
 
@@ -53,10 +54,14 @@ class FFmpegSession extends AbstractSession {
   static FFmpegSession fromMap(Map<dynamic, dynamic> sessionMap) =>
       AbstractSession.createFFmpegSessionFromMap(sessionMap);
 
-  /// Returns the session specific statistics callback function.
+  /// Returns the session specific statistics callback.
   StatisticsCallback? getStatisticsCallback() =>
       FFmpegKitFactory.getStatisticsCallback(this.getSessionId());
 
+  /// Returns the session specific complete callback.
+  FFmpegSessionCompleteCallback? getCompleteCallback() =>
+      FFmpegKitFactory.getFFmpegSessionCompleteCallback(this.getSessionId());
+
   /// Returns all statistics entries generated for this session. If there are
   /// asynchronous statistics that are not delivered yet, this method waits for
   /// them until [waitTimeout].
@@ -120,4 +125,6 @@ class FFmpegSession extends AbstractSession {
   bool isFFmpeg() => true;
 
   bool isFFprobe() => false;
+
+  bool isMediaInformation() => false;
 }

flutter/flutter/lib/ffmpeg_session_complete_callback.dart

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021 Taner Sener
+ * Copyright (c) 2021 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -17,13 +17,13 @@
  * along with FFmpegKit.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import 'session.dart';
+import 'ffmpeg_session.dart';
 
-/// Callback function invoked when a session ends running.
+/// Callback function that is invoked when an asynchronous FFmpeg session has
-/// Session has either SessionState.completed or SessionState.failed state when
+/// ended. Session has either SessionState.completed or SessionState.failed
-/// the callback is invoked.
+/// state when the callback is invoked.
 /// If it has SessionState.completed state, "ReturnCode" should be checked to
 /// see the execution result.
 /// If "getState" returns SessionState.failed then "getFailStackTrace" should
 /// be used to get the failure reason.
-typedef ExecuteCallback = void Function(Session session);
+typedef FFmpegSessionCompleteCallback = void Function(FFmpegSession session);

flutter/flutter/lib/ffprobe_kit.dart

@@ -20,11 +20,12 @@
 import 'package:ffmpeg_kit_flutter_platform_interface/ffmpeg_kit_flutter_platform_interface.dart';
 import 'package:flutter/services.dart';
 
-import 'execute_callback.dart';
 import 'ffmpeg_kit_config.dart';
 import 'ffprobe_session.dart';
+import 'ffprobe_session_complete_callback.dart';
 import 'log_callback.dart';
 import 'media_information_session.dart';
+import 'media_information_session_complete_callback.dart';
 import 'src/ffmpeg_kit_factory.dart';
 
 /// Main class to run "FFprobe" commands.
@@ -35,20 +36,18 @@ class FFprobeKit {
   /// to split command into arguments. You can use single or double quote
   /// characters to specify arguments inside your command.
   static Future<FFprobeSession> execute(String command,
-          [ExecuteCallback? executeCallback = null,
+          [FFprobeSessionCompleteCallback? completeCallback = null,
           LogCallback? logCallback = null]) async =>
-      FFprobeKit.executeWithArguments(
+      FFprobeKit.executeWithArguments(FFmpegKitConfig.parseArguments(command),
-          FFmpegKitConfig.parseArguments(command),
+          completeCallback, logCallback);
-          executeCallback,
-          logCallback);
 
   /// Synchronously executes FFprobe with arguments provided.
   static Future<FFprobeSession> executeWithArguments(
       List<String> commandArguments,
-      [ExecuteCallback? executeCallback = null,
+      [FFprobeSessionCompleteCallback? completeCallback = null,
       LogCallback? logCallback = null]) async {
     final session = await FFprobeSession.create(
-        commandArguments, executeCallback, logCallback, null);
+        commandArguments, completeCallback, logCallback, null);
 
     await FFmpegKitConfig.ffprobeExecute(session);
 
@@ -59,25 +58,25 @@ class FFprobeKit {
   /// into arguments. You can use single or double quote characters to specify arguments inside your command.
   ///
   /// Note that this method returns immediately and does not wait the execution to complete. You must use an
-  /// [ExecuteCallback] if you want to be notified about the result.
+  /// [FFprobeSessionCompleteCallback] if you want to be notified about the result.
   static Future<FFprobeSession> executeAsync(String command,
-          [ExecuteCallback? executeCallback = null,
+          [FFprobeSessionCompleteCallback? completeCallback = null,
           LogCallback? logCallback = null]) async =>
       FFprobeKit.executeWithArgumentsAsync(
           FFmpegKitConfig.parseArguments(command),
-          executeCallback,
+          completeCallback,
           logCallback);
 
   /// Starts an asynchronous FFprobe execution with arguments provided.
   ///
   /// Note that this method returns immediately and does not wait the execution to complete. You must use an
-  /// [ExecuteCallback] if you want to be notified about the result.
+  /// [FFprobeSessionCompleteCallback] if you want to be notified about the result.
   static Future<FFprobeSession> executeWithArgumentsAsync(
       List<String> commandArguments,
-      [ExecuteCallback? executeCallback = null,
+      [FFprobeSessionCompleteCallback? completeCallback = null,
       LogCallback? logCallback = null]) async {
     final session = await FFprobeSession.create(
-        commandArguments, executeCallback, logCallback, null);
+        commandArguments, completeCallback, logCallback, null);
 
     await FFmpegKitConfig.asyncFFprobeExecute(session);
 
@@ -86,7 +85,7 @@ class FFprobeKit {
 
   /// Extracts media information for the file specified with path.
   static Future<MediaInformationSession> getMediaInformation(String path,
-      [ExecuteCallback? executeCallback = null,
+      [MediaInformationSessionCompleteCallback? completeCallback = null,
       LogCallback? logCallback = null,
       int? waitTimeout = null]) async {
     final commandArguments = [
@@ -102,7 +101,7 @@ class FFprobeKit {
       path
     ];
     return FFprobeKit.getMediaInformationFromCommandArguments(
-        commandArguments, executeCallback, logCallback, waitTimeout);
+        commandArguments, completeCallback, logCallback, waitTimeout);
   }
 
   /// Extracts media information using the command provided. The command
@@ -110,12 +109,12 @@ class FFprobeKit {
   /// successfully extract media information from it.
   static Future<MediaInformationSession> getMediaInformationFromCommand(
           String command,
-          [ExecuteCallback? executeCallback = null,
+          [MediaInformationSessionCompleteCallback? completeCallback = null,
           LogCallback? logCallback = null,
           int? waitTimeout = null]) async =>
       FFprobeKit.getMediaInformationFromCommandArguments(
           FFmpegKitConfig.parseArguments(command),
-          executeCallback,
+          completeCallback,
           logCallback,
           waitTimeout);
 
@@ -123,13 +122,12 @@ class FFprobeKit {
   /// command passed to this method must generate the output in JSON format in
   /// order to successfully extract media information from it.
   static Future<MediaInformationSession>
-      getMediaInformationFromCommandArguments(
+      getMediaInformationFromCommandArguments(List<String> commandArguments,
-          List<String> commandArguments,
+          [MediaInformationSessionCompleteCallback? completeCallback = null,
-          [ExecuteCallback? executeCallback = null,
           LogCallback? logCallback = null,
           int? waitTimeout = null]) async {
     final session = await MediaInformationSession.create(
-        commandArguments, executeCallback, logCallback);
+        commandArguments, completeCallback, logCallback);
 
     await FFmpegKitConfig.getMediaInformationExecute(session, waitTimeout);
 
@@ -139,9 +137,9 @@ class FFprobeKit {
   /// Starts an asynchronous FFprobe execution to extract the media information for the specified file.
   ///
   /// Note that this method returns immediately and does not wait the execution to complete. You must use an
-  /// [ExecuteCallback] if you want to be notified about the result.
+  /// [MediaInformationSessionCompleteCallback] if you want to be notified about the result.
   static Future<MediaInformationSession> getMediaInformationAsync(String path,
-      [ExecuteCallback? executeCallback = null,
+      [MediaInformationSessionCompleteCallback? completeCallback = null,
       LogCallback? logCallback = null,
       int? waitTimeout = null]) async {
     final commandArguments = [
@@ -157,22 +155,22 @@ class FFprobeKit {
       path
     ];
     return FFprobeKit.getMediaInformationFromCommandArgumentsAsync(
-        commandArguments, executeCallback, logCallback, waitTimeout);
+        commandArguments, completeCallback, logCallback, waitTimeout);
   }
 
   /// Starts an asynchronous FFprobe execution to extract media information using a command. The command passed to
   /// this method must generate the output in JSON format in order to successfully extract media information from it.
   ///
   /// Note that this method returns immediately and does not wait the execution to complete. You must use an
-  /// [ExecuteCallback] if you want to be notified about the result.
+  /// [MediaInformationSessionCompleteCallback] if you want to be notified about the result.
   static Future<MediaInformationSession> getMediaInformationFromCommandAsync(
           String command,
-          [ExecuteCallback? executeCallback = null,
+          [MediaInformationSessionCompleteCallback? completeCallback = null,
           LogCallback? logCallback = null,
           int? waitTimeout = null]) async =>
       FFprobeKit.getMediaInformationFromCommandArgumentsAsync(
           FFmpegKitConfig.parseArguments(command),
-          executeCallback,
+          completeCallback,
           logCallback,
           waitTimeout);
 
@@ -182,16 +180,16 @@ class FFprobeKit {
   /// information from it.
   ///
   /// Note that this method returns immediately and does not wait the execution
-  /// to complete. You must use an [ExecuteCallback] if you want to be
+  /// to complete. You must use an [MediaInformationSessionCompleteCallback] if you want to be
   /// notified about the result.
   static Future<MediaInformationSession>
       getMediaInformationFromCommandArgumentsAsync(
           List<String> commandArguments,
-          [ExecuteCallback? executeCallback = null,
+          [MediaInformationSessionCompleteCallback? completeCallback = null,
           LogCallback? logCallback = null,
           int? waitTimeout = null]) async {
     final session = await MediaInformationSession.create(
-        commandArguments, executeCallback, logCallback);
+        commandArguments, completeCallback, logCallback);
 
     await FFmpegKitConfig.asyncGetMediaInformationExecute(session, waitTimeout);
 
@@ -199,10 +197,10 @@ class FFprobeKit {
   }
 
   /// Lists all FFprobe sessions in the session history.
-  static Future<List<FFprobeSession>> listSessions() async {
+  static Future<List<FFprobeSession>> listFFprobeSessions() async {
     try {
       await FFmpegKitConfig.init();
-      return _platform.ffprobeKitListSessions().then((sessions) {
+      return _platform.ffprobeKitListFFprobeSessions().then((sessions) {
         if (sessions == null) {
           return List.empty();
         } else {
@@ -214,8 +212,32 @@ class FFprobeKit {
         }
       });
     } on PlatformException catch (e, stack) {
-      print("Plugin listSessions error: ${e.message}");
+      print("Plugin listFFprobeSessions error: ${e.message}");
-      return Future.error("listSessions failed.", stack);
+      return Future.error("listFFprobeSessions failed.", stack);
+    }
+  }
+
+  /// Lists all MediaInformation sessions in the session history.
+  static Future<List<MediaInformationSession>>
+      listMediaInformationSessions() async {
+    try {
+      await FFmpegKitConfig.init();
+      return _platform
+          .ffprobeKitListMediaInformationSessions()
+          .then((sessions) {
+        if (sessions == null) {
+          return List.empty();
+        } else {
+          return sessions
+              .map((dynamic sessionObject) => FFmpegKitFactory.mapToSession(
+                  sessionObject as Map<dynamic, dynamic>))
+              .map((session) => session as MediaInformationSession)
+              .toList();
+        }
+      });
+    } on PlatformException catch (e, stack) {
+      print("Plugin listMediaInformationSessions error: ${e.message}");
+      return Future.error("listMediaInformationSessions failed.", stack);
     }
   }
 }

flutter/flutter/lib/ffprobe_session.dart

@@ -18,7 +18,7 @@
  */
 
 import 'abstract_session.dart';
-import 'execute_callback.dart';
+import 'ffprobe_session_complete_callback.dart';
 import 'log_callback.dart';
 import 'log_redirection_strategy.dart';
 import 'src/ffmpeg_kit_factory.dart';
@@ -27,14 +27,15 @@ import 'src/ffmpeg_kit_factory.dart';
 class FFprobeSession extends AbstractSession {
   /// Creates a new FFprobe session with [argumentsArray].
   static Future<FFprobeSession> create(List<String> argumentsArray,
-      [ExecuteCallback? executeCallback = null,
+      [FFprobeSessionCompleteCallback? completeCallback = null,
       LogCallback? logCallback = null,
       LogRedirectionStrategy? logRedirectionStrategy = null]) async {
     final session = await AbstractSession.createFFprobeSession(
         argumentsArray, logRedirectionStrategy);
     final sessionId = session.getSessionId();
 
-    FFmpegKitFactory.setExecuteCallback(sessionId, executeCallback);
+    FFmpegKitFactory.setFFprobeSessionCompleteCallback(
+        sessionId, completeCallback);
     FFmpegKitFactory.setLogCallback(sessionId, logCallback);
 
     return session;
@@ -45,7 +46,13 @@ class FFprobeSession extends AbstractSession {
   static FFprobeSession fromMap(Map<dynamic, dynamic> sessionMap) =>
       AbstractSession.createFFprobeSessionFromMap(sessionMap);
 
+  /// Returns the session specific complete callback.
+  FFprobeSessionCompleteCallback? getCompleteCallback() =>
+      FFmpegKitFactory.getFFprobeSessionCompleteCallback(this.getSessionId());
+
   bool isFFmpeg() => false;
 
   bool isFFprobe() => true;
+
+  bool isMediaInformation() => false;
 }

flutter/flutter/lib/ffprobe_session_complete_callback.dart

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2021 Taner Sener
+ *
+ * This file is part of FFmpegKit.
+ *
+ * FFmpegKit is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * FFmpegKit 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with FFmpegKit.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import 'ffprobe_session.dart';
+
+/// Callback function that is invoked when an asynchronous FFprobe session has
+/// ended. Session has either SessionState.completed or SessionState.failed
+/// state when the callback is invoked.
+/// If it has SessionState.completed state, "ReturnCode" should be checked to
+/// see the execution result.
+/// If "getState" returns SessionState.failed then "getFailStackTrace" should
+/// be used to get the failure reason.
+typedef FFprobeSessionCompleteCallback = void Function(FFprobeSession session);

flutter/flutter/lib/media_information_session.dart

@@ -18,26 +18,26 @@
  */
 
 import 'abstract_session.dart';
-import 'execute_callback.dart';
-import 'ffprobe_session.dart';
 import 'log_callback.dart';
 import 'media_information.dart';
+import 'media_information_session_complete_callback.dart';
 import 'src/ffmpeg_kit_factory.dart';
 
 /// A custom FFprobe session, which produces a "MediaInformation" object
 /// using the FFprobe output.
-class MediaInformationSession extends FFprobeSession {
+class MediaInformationSession extends AbstractSession {
   MediaInformation? _mediaInformation;
 
   /// Creates a new MediaInformation session with [argumentsArray].
   static Future<MediaInformationSession> create(List<String> argumentsArray,
-      [ExecuteCallback? executeCallback = null,
+      [MediaInformationSessionCompleteCallback? completeCallback = null,
       LogCallback? logCallback = null]) async {
     final session =
         await AbstractSession.createMediaInformationSession(argumentsArray);
     final sessionId = session.getSessionId();
 
-    FFmpegKitFactory.setExecuteCallback(sessionId, executeCallback);
+    FFmpegKitFactory.setMediaInformationSessionCompleteCallback(
+        sessionId, completeCallback);
     FFmpegKitFactory.setLogCallback(sessionId, logCallback);
 
     return session;
@@ -55,4 +55,15 @@ class MediaInformationSession extends FFprobeSession {
   void setMediaInformation(MediaInformation? mediaInformation) {
     this._mediaInformation = mediaInformation;
   }
+
+  /// Returns the session specific complete callback.
+  MediaInformationSessionCompleteCallback? getCompleteCallback() =>
+      FFmpegKitFactory.getMediaInformationSessionCompleteCallback(
+          this.getSessionId());
+
+  bool isFFmpeg() => false;
+
+  bool isFFprobe() => false;
+
+  bool isMediaInformation() => true;
 }

flutter/flutter/lib/media_information_session_complete_callback.dart

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2021 Taner Sener
+ *
+ * This file is part of FFmpegKit.
+ *
+ * FFmpegKit is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * FFmpegKit 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with FFmpegKit.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import 'media_information_session.dart';
+
+/// Callback function that is invoked when an asynchronous MediaInformation
+/// session has ended. Session has either SessionState.completed or
+/// SessionState.failed state when the callback is invoked.
+/// If it has SessionState.completed state, "ReturnCode" should be checked to
+/// see the execution result.
+/// If "getState" returns SessionState.failed then "getFailStackTrace" should
+/// be used to get the failure reason.
+typedef MediaInformationSessionCompleteCallback = void Function(
+    MediaInformationSession session);

flutter/flutter/lib/session.dart

@@ -17,7 +17,6 @@
  * along with FFmpegKit.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import 'execute_callback.dart';
 import 'log.dart';
 import 'log_callback.dart';
 import 'log_redirection_strategy.dart';
@@ -26,10 +25,7 @@ import 'session_state.dart';
 
 /// Common interface for all "FFmpegKit" sessions.
 abstract class Session {
-  /// Returns the session specific execute callback function.
+  /// Returns the session specific log callback.
-  ExecuteCallback? getExecuteCallback();
-
-  /// Returns the session specific log callback function.
   LogCallback? getLogCallback();
 
   /// Returns the session identifier.
@@ -106,6 +102,9 @@ abstract class Session {
   /// Returns whether it is an "FFprobe" session or not.
   bool isFFprobe();
 
+  /// Returns whether it is an "MediaInformation" session or not.
+  bool isMediaInformation();
+
   /// Cancels running the session.
   void cancel();
 }

flutter/flutter/lib/src/ffmpeg_kit_factory.dart

@@ -17,18 +17,25 @@
  * along with FFmpegKit.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import '../execute_callback.dart';
 import '../ffmpeg_session.dart';
+import '../ffmpeg_session_complete_callback.dart';
 import '../ffprobe_session.dart';
+import '../ffprobe_session_complete_callback.dart';
 import '../log.dart';
 import '../log_callback.dart';
 import '../log_redirection_strategy.dart';
 import '../media_information_session.dart';
+import '../media_information_session_complete_callback.dart';
 import '../session.dart';
 import '../statistics.dart';
 import '../statistics_callback.dart';
 
-final executeCallbackMap = new Map<int, ExecuteCallback>();
+final ffmpegSessionCompleteCallbackMap =
+    new Map<int, FFmpegSessionCompleteCallback>();
+final ffprobeSessionCompleteCallbackMap =
+    new Map<int, FFprobeSessionCompleteCallback>();
+final mediaInformationSessionCompleteCallbackMap =
+    new Map<int, MediaInformationSessionCompleteCallback>();
 final logCallbackMap = new Map<int, LogCallback>();
 final statisticsCallbackMap = new Map<int, StatisticsCallback>();
 final logRedirectionStrategyMap = new Map<int, LogRedirectionStrategy>();
@@ -36,7 +43,10 @@ final logRedirectionStrategyMap = new Map<int, LogRedirectionStrategy>();
 class FFmpegKitFactory {
   static LogCallback? _logCallback;
   static StatisticsCallback? _statisticsCallback;
-  static ExecuteCallback? _executeCallback;
+  static FFmpegSessionCompleteCallback? _ffmpegSessionCompleteCallback;
+  static FFprobeSessionCompleteCallback? _ffprobeSessionCompleteCallback;
+  static MediaInformationSessionCompleteCallback?
+      _mediaInformationSessionCompleteCallback;
 
   static Statistics mapToStatistics(Map<dynamic, dynamic> statisticsMap) =>
       new Statistics(
@@ -125,20 +135,64 @@ class FFmpegKitFactory {
     _statisticsCallback = statisticsCallback;
   }
 
-  static ExecuteCallback? getExecuteCallback(int? sessionId) =>
+  static FFmpegSessionCompleteCallback? getFFmpegSessionCompleteCallback(
-      executeCallbackMap[sessionId];
+          int? sessionId) =>
+      ffmpegSessionCompleteCallbackMap[sessionId];
 
-  static void setExecuteCallback(
+  static void setFFmpegSessionCompleteCallback(
-      int? sessionId, ExecuteCallback? executeCallback) {
+      int? sessionId, FFmpegSessionCompleteCallback? completeCallback) {
-    if (sessionId != null && executeCallback != null) {
+    if (sessionId != null && completeCallback != null) {
-      executeCallbackMap[sessionId] = executeCallback;
+      ffmpegSessionCompleteCallbackMap[sessionId] = completeCallback;
     }
   }
 
-  static ExecuteCallback? getGlobalExecuteCallback() => _executeCallback;
+  static FFmpegSessionCompleteCallback?
+      getGlobalFFmpegSessionCompleteCallback() =>
+          _ffmpegSessionCompleteCallback;
 
-  static void setGlobalExecuteCallback(ExecuteCallback? executeCallback) {
+  static void setGlobalFFmpegSessionCompleteCallback(
-    _executeCallback = executeCallback;
+      FFmpegSessionCompleteCallback? completeCallback) {
+    _ffmpegSessionCompleteCallback = completeCallback;
+  }
+
+  static FFprobeSessionCompleteCallback? getFFprobeSessionCompleteCallback(
+          int? sessionId) =>
+      ffprobeSessionCompleteCallbackMap[sessionId];
+
+  static void setFFprobeSessionCompleteCallback(
+      int? sessionId, FFprobeSessionCompleteCallback? completeCallback) {
+    if (sessionId != null && completeCallback != null) {
+      ffprobeSessionCompleteCallbackMap[sessionId] = completeCallback;
+    }
+  }
+
+  static FFprobeSessionCompleteCallback?
+      getGlobalFFprobeSessionCompleteCallback() =>
+          _ffprobeSessionCompleteCallback;
+
+  static void setGlobalFFprobeSessionCompleteCallback(
+      FFprobeSessionCompleteCallback? completeCallback) {
+    _ffprobeSessionCompleteCallback = completeCallback;
+  }
+
+  static MediaInformationSessionCompleteCallback?
+      getMediaInformationSessionCompleteCallback(int? sessionId) =>
+          mediaInformationSessionCompleteCallbackMap[sessionId];
+
+  static void setMediaInformationSessionCompleteCallback(int? sessionId,
+      MediaInformationSessionCompleteCallback? completeCallback) {
+    if (sessionId != null && completeCallback != null) {
+      mediaInformationSessionCompleteCallbackMap[sessionId] = completeCallback;
+    }
+  }
+
+  static MediaInformationSessionCompleteCallback?
+      getGlobalMediaInformationSessionCompleteCallback() =>
+          _mediaInformationSessionCompleteCallback;
+
+  static void setGlobalMediaInformationSessionCompleteCallback(
+      MediaInformationSessionCompleteCallback? completeCallback) {
+    _mediaInformationSessionCompleteCallback = completeCallback;
   }
 
   static DateTime? validDate(int? time) {

flutter/flutter/lib/src/ffmpeg_kit_flutter_initializer.dart

@@ -19,16 +19,20 @@
 
 import 'dart:io';
 
+import 'package:ffmpeg_kit_flutter/ffprobe_session.dart';
+import 'package:ffmpeg_kit_flutter/media_information_session.dart';
 import 'package:ffmpeg_kit_flutter_platform_interface/ffmpeg_kit_flutter_platform_interface.dart';
 import 'package:flutter/services.dart';
 
 import '../arch_detect.dart';
-import '../execute_callback.dart';
 import '../ffmpeg_kit_config.dart';
 import '../ffmpeg_session.dart';
+import '../ffmpeg_session_complete_callback.dart';
+import '../ffprobe_session_complete_callback.dart';
 import '../level.dart';
 import '../log_callback.dart';
 import '../log_redirection_strategy.dart';
+import '../media_information_session_complete_callback.dart';
 import '../packages.dart';
 import '../session.dart';
 import '../statistics.dart';
@@ -59,8 +63,8 @@ class FFmpegKitInitializer {
           eventMap['FFmpegKitLogCallbackEvent'];
       final Map<dynamic, dynamic>? statisticsEvent =
           eventMap['FFmpegKitStatisticsCallbackEvent'];
-      final Map<dynamic, dynamic>? executeEvent =
+      final Map<dynamic, dynamic>? completeEvent =
-          eventMap['FFmpegKitExecuteCallbackEvent'];
+          eventMap['FFmpegKitCompleteCallbackEvent'];
 
       if (logEvent != null) {
         _processLogCallbackEvent(logEvent);
@@ -70,8 +74,8 @@ class FFmpegKitInitializer {
         _processStatisticsCallbackEvent(statisticsEvent);
       }
 
-      if (executeEvent != null) {
+      if (completeEvent != null) {
-        _processExecuteCallbackEvent(executeEvent);
+        _processCompleteCallbackEvent(completeEvent);
       }
     }
   }
@@ -110,7 +114,7 @@ class FFmpegKitInitializer {
         // NOTIFY SESSION CALLBACK DEFINED
         logCallback(log);
       } on Exception catch (e, stack) {
-        print("Exception thrown inside session LogCallback block. $e");
+        print("Exception thrown inside session log callback. $e");
         print(stack);
       }
     }
@@ -123,7 +127,7 @@ class FFmpegKitInitializer {
         // NOTIFY GLOBAL CALLBACK DEFINED
         globalLogCallbackFunction(log);
       } on Exception catch (e, stack) {
-        print("Exception thrown inside global LogCallback block. $e");
+        print("Exception thrown inside global log callback. $e");
         print(stack);
       }
     }
@@ -185,7 +189,7 @@ class FFmpegKitInitializer {
         // NOTIFY SESSION CALLBACK DEFINED
         statisticsCallback(statistics);
       } on Exception catch (e, stack) {
-        print("Exception thrown inside session StatisticsCallback block. $e");
+        print("Exception thrown inside session statistics callback. $e");
         print(stack);
       }
     }
@@ -197,37 +201,96 @@ class FFmpegKitInitializer {
         // NOTIFY GLOBAL CALLBACK DEFINED
         globalStatisticsCallbackFunction(statistics);
       } on Exception catch (e, stack) {
-        print("Exception thrown inside global StatisticsCallback block. $e");
+        print("Exception thrown inside global statistics callback. $e");
         print(stack);
       }
     }
   }
 
-  void _processExecuteCallbackEvent(Map<dynamic, dynamic> event) {
+  void _processCompleteCallbackEvent(Map<dynamic, dynamic> event) {
     final int sessionId = event["sessionId"];
 
     FFmpegKitConfig.getSession(sessionId).then((Session? session) {
-      final ExecuteCallback? executeCallback = session?.getExecuteCallback();
+      if (session != null) {
+        if (session.isFFmpeg()) {
+          final ffmpegSession = session as FFmpegSession;
+          final FFmpegSessionCompleteCallback? completeCallback =
+              ffmpegSession.getCompleteCallback();
 
-      if (executeCallback != null && session != null) {
+          if (completeCallback != null) {
-        try {
+            try {
-          // NOTIFY SESSION CALLBACK DEFINED
+              // NOTIFY SESSION CALLBACK DEFINED
-          executeCallback(session);
+              completeCallback(ffmpegSession);
-        } on Exception catch (e, stack) {
+            } on Exception catch (e, stack) {
-          print("Exception thrown inside session ExecuteCallback block. $e");
+              print("Exception thrown inside session complete callback. $e");
-          print(stack);
+              print(stack);
-        }
+            }
-      }
+          }
 
-      final globalExecuteCallbackFunction =
+          final globalFFmpegSessionCompleteCallback =
-          FFmpegKitFactory.getGlobalExecuteCallback();
+              FFmpegKitFactory.getGlobalFFmpegSessionCompleteCallback();
-      if (globalExecuteCallbackFunction != null && session != null) {
+          if (globalFFmpegSessionCompleteCallback != null) {
-        try {
+            try {
-          // NOTIFY GLOBAL CALLBACK DEFINED
+              // NOTIFY GLOBAL CALLBACK DEFINED
-          globalExecuteCallbackFunction(session);
+              globalFFmpegSessionCompleteCallback(ffmpegSession);
-        } on Exception catch (e, stack) {
+            } on Exception catch (e, stack) {
-          print("Exception thrown inside global ExecuteCallback block. $e");
+              print("Exception thrown inside global complete callback. $e");
-          print(stack);
+              print(stack);
+            }
+          }
+        } else if (session.isFFprobe()) {
+          final ffprobeSession = session as FFprobeSession;
+          final FFprobeSessionCompleteCallback? completeCallback =
+              ffprobeSession.getCompleteCallback();
+
+          if (completeCallback != null) {
+            try {
+              // NOTIFY SESSION CALLBACK DEFINED
+              completeCallback(ffprobeSession);
+            } on Exception catch (e, stack) {
+              print("Exception thrown inside session complete callback. $e");
+              print(stack);
+            }
+          }
+
+          final globalFFprobeSessionCompleteCallback =
+              FFmpegKitFactory.getGlobalFFprobeSessionCompleteCallback();
+          if (globalFFprobeSessionCompleteCallback != null) {
+            try {
+              // NOTIFY GLOBAL CALLBACK DEFINED
+              globalFFprobeSessionCompleteCallback(ffprobeSession);
+            } on Exception catch (e, stack) {
+              print("Exception thrown inside global complete callback. $e");
+              print(stack);
+            }
+          }
+        } else if (session.isMediaInformation()) {
+          final mediaInformationSession = session as MediaInformationSession;
+          final MediaInformationSessionCompleteCallback? completeCallback =
+              mediaInformationSession.getCompleteCallback();
+
+          if (completeCallback != null) {
+            try {
+              // NOTIFY SESSION CALLBACK DEFINED
+              completeCallback(mediaInformationSession);
+            } on Exception catch (e, stack) {
+              print("Exception thrown inside session complete callback. $e");
+              print(stack);
+            }
+          }
+
+          final globalMediaInformationSessionCompleteCallback = FFmpegKitFactory
+              .getGlobalMediaInformationSessionCompleteCallback();
+          if (globalMediaInformationSessionCompleteCallback != null) {
+            try {
+              // NOTIFY GLOBAL CALLBACK DEFINED
+              globalMediaInformationSessionCompleteCallback(
+                  mediaInformationSession);
+            } on Exception catch (e, stack) {
+              print("Exception thrown inside global complete callback. $e");
+              print(stack);
+            }
+          }
         }
       }
     });

flutter/flutter/lib/statistics_callback.dart

@@ -19,5 +19,5 @@
 
 import 'statistics.dart';
 
-/// Callback function that receives statistics generated for "FFmpeg" sessions.dc
+/// Callback function that receives statistics generated for "FFmpeg" sessions.
 typedef StatisticsCallback = void Function(Statistics statistics);

flutter/flutter/macos/Classes/FFmpegKitFlutterPlugin.m

@@ -57,7 +57,7 @@ static int const SESSION_TYPE_MEDIA_INFORMATION = 3;
 // EVENTS
 static NSString *const EVENT_LOG_CALLBACK_EVENT = @"FFmpegKitLogCallbackEvent";
 static NSString *const EVENT_STATISTICS_CALLBACK_EVENT = @"FFmpegKitStatisticsCallbackEvent";
-static NSString *const EVENT_EXECUTE_CALLBACK_EVENT = @"FFmpegKitExecuteCallbackEvent";
+static NSString *const EVENT_EXECUTE_CALLBACK_EVENT = @"FFmpegKitCompleteCallbackEvent";
 
 // ARGUMENT NAMES
 static NSString *const ARGUMENT_SESSION_ID = @"sessionId";

flutter/flutter_platform_interface/lib/ffmpeg_kit_flutter_platform_interface.dart

@@ -364,9 +364,14 @@ abstract class FFmpegKitPlatform extends PlatformInterface {
 
   // FFprobeKit
 
-  Future<List<dynamic>?> ffprobeKitListSessions() async {
+  Future<List<dynamic>?> ffprobeKitListFFprobeSessions() async {
     throw UnimplementedError(
-        'ffprobeKitListSessions() has not been implemented!');
+        'ffprobeKitListFFprobeSessions() has not been implemented!');
+  }
+
+  Future<List<dynamic>?> ffprobeKitListMediaInformationSessions() async {
+    throw UnimplementedError(
+        'ffprobeKitListMediaInformationSessions() has not been implemented!');
   }
 
   // MediaInformationJsonParser

flutter/flutter_platform_interface/lib/method_channel_ffmpeg_kit_flutter.dart

@@ -334,9 +334,13 @@ class MethodChannelFFmpegKit extends FFmpegKitPlatform {
   // FFprobeKit
 
   @override
-  Future<List<dynamic>?> ffprobeKitListSessions() async =>
+  Future<List<dynamic>?> ffprobeKitListFFprobeSessions() async =>
       _channel.invokeMethod<List<dynamic>>('getFFprobeSessions');
 
+  @override
+  Future<List<dynamic>?> ffprobeKitListMediaInformationSessions() async =>
+      _channel.invokeMethod<List<dynamic>>('getMediaInformationSessions');
+
   // MediaInformationJsonParser
 
   @override