diff --git a/README.md b/README.md
index 2cdc9b9..46496a1 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ It includes scripts to build `FFmpeg` native libraries, a wrapper library to run
 - Supports hybrid platforms: Flutter, React Native
 - Based on FFmpeg `v4.5-dev` or later with optional system and external libraries
 - 8 prebuilt binary packages available at [Github](https://github.com/arthenica/ffmpeg-kit/releases), [Maven Central](https://search.maven.org), [CocoaPods](https://cocoapods.org), [pub](https://pub.dev) and [npm](https://www.npmjs.com)
-- Licensed under `LGPL 3.0`, or `GPL v3.0` if GPL licensed libraries are enabled
+- Licensed under `LGPL 3.0` by default, `GPL v3.0` if GPL licensed libraries are enabled
 
 ### 2. Android
 
@@ -126,6 +126,7 @@ the exact version number of `FFmpeg` is obtained using the `git describe --tags`
 
 |    Platforms     |                                 FFmpegKit Version                                  | FFmpeg Version | Release Date |
 |:----------------:|:----------------------------------------------------------------------------------:|:--------------:|:------------:|
+|     Flutter      |   [5.1.0](https://github.com/arthenica/ffmpeg-kit/releases/tag/flutter.v5.1.0)    |     5.1.2      | Oct 02, 2022 |
 |     Android      |         [5.1](https://github.com/arthenica/ffmpeg-kit/releases/tag/v5.1)          |     5.1.2      | Sep 29, 2022 |
 |      Apple       |    [5.1](https://github.com/arthenica/ffmpeg-kit/releases/tag/v5.1)               |     5.1.2      | Sep 29, 2022 |
 |   React Native   | [4.5.2](https://github.com/arthenica/ffmpeg-kit/releases/tag/react.native.v4.5.2) |  4.5-dev-3393  | May 25, 2022 |
diff --git a/docs/index.md b/docs/index.md
index 12d8eed..c60828a 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -15,7 +15,7 @@ applications and 8 prebuilt binary packages available at [Github](https://github
 - Supports hybrid platforms: Flutter, React Native
 - Based on FFmpeg `v4.5-dev` or later with optional system and external libraries
 - 8 prebuilt binary packages available at [Github](https://github.com/arthenica/ffmpeg-kit/releases), [Maven Central](https://search.maven.org), [CocoaPods](https://cocoapods.org), [pub](https://pub.dev) and [npm](https://www.npmjs.com)
-- Licensed under `LGPL 3.0`, or `GPL v3.0` if GPL licensed libraries are enabled
+- Licensed under `LGPL 3.0` by default, some packages licensed by `GPL v3.0` effectively
 
 ### 2. Android
 
@@ -112,10 +112,11 @@ the same `FFmpeg` release branch.
 `dev` part in the version string indicates that `FFmpeg` source code is cloned from the `FFmpeg` `master` branch and
 the exact version number of `FFmpeg` is obtained using the `git describe --tags` command.
 
-|    Platforms     |                                 FFmpegKit Version                                  | FFmpeg Version | Release Date |
-|:----------------:|:----------------------------------------------------------------------------------:|:--------------:|:------------:|
+|    Platforms     |                                 FFmpegKit Version                                 | FFmpeg Version | Release Date |
+|:----------------:|:---------------------------------------------------------------------------------:|:--------------:|:------------:|
+|     Flutter      |   [5.1.0](https://github.com/arthenica/ffmpeg-kit/releases/tag/flutter.v5.1.0)    |     5.1.2      | Oct 02, 2022 |
 |     Android      |         [5.1](https://github.com/arthenica/ffmpeg-kit/releases/tag/v5.1)          |     5.1.2      | Sep 29, 2022 |
-|      Apple       |    [5.1](https://github.com/arthenica/ffmpeg-kit/releases/tag/v5.1)               |     5.1.2      | Sep 29, 2022 |
+|      Apple       |         [5.1](https://github.com/arthenica/ffmpeg-kit/releases/tag/v5.1)          |     5.1.2      | Sep 29, 2022 |
 |   React Native   | [4.5.2](https://github.com/arthenica/ffmpeg-kit/releases/tag/react.native.v4.5.2) |  4.5-dev-3393  | May 25, 2022 |
 |     Flutter      |   [4.5.1](https://github.com/arthenica/ffmpeg-kit/releases/tag/flutter.v4.5.1)    |  4.5-dev-3393  | Jan 02, 2022 |
 |   React Native   | [4.5.1](https://github.com/arthenica/ffmpeg-kit/releases/tag/react.native.v4.5.1) |  4.5-dev-3393  | Jan 02, 2022 |
diff --git a/flutter/flutter/CHANGELOG.md b/flutter/flutter/CHANGELOG.md
index 31f1289..38e6d3f 100644
--- a/flutter/flutter/CHANGELOG.md
+++ b/flutter/flutter/CHANGELOG.md
@@ -1,3 +1,13 @@
+## 5.1.0
+- Feature release based on native v5.1
+- Implements AbstractSession.cancel() method
+- Runs iOS and macOS callbacks on main queue
+
+## 5.1.0-LTS
+- Feature release based on native v5.1.LTS
+- Implements AbstractSession.cancel() method
+- Runs iOS and macOS callbacks on main queue
+
 ## 4.5.1
 - Feature release based on native v4.5.1
 
diff --git a/flutter/flutter/README.md b/flutter/flutter/README.md
index 8e2f409..b5623bd 100644
--- a/flutter/flutter/README.md
+++ b/flutter/flutter/README.md
@@ -5,14 +5,17 @@
 - Includes both `FFmpeg` and `FFprobe`
 - Supports
     - `Android`, `iOS` and `macOS`
-    - FFmpeg `v4.5-dev` releases
+    - FFmpeg `v5.1.2`
     - `arm-v7a`, `arm-v7a-neon`, `arm64-v8a`, `x86` and `x86_64` architectures on Android
-    - `Android API Level 16` or later
+    - `Android API Level 24` or later
+      - `API Level 16` on LTS releases
     - `armv7`, `armv7s`, `arm64`, `arm64-simulator`, `i386`, `x86_64`, `x86_64-mac-catalyst` and `arm64-mac-catalyst`
       architectures on iOS
-    - `iOS SDK 10` or later
+    - `iOS SDK 12.1` or later
+      - `iOS SDK 10` on LTS releases
     - `arm64` and `x86_64` architectures on macOS
-    - `macOS SDK 10.12+` or later
+    - `macOS SDK 10.15` or later
+      - `macOS SDK 10.12` on LTS releases
     - Can process Storage Access Framework (SAF) Uris on Android
     - 25 external libraries
 
@@ -24,7 +27,7 @@
 
       `vid.stab`, `x264`, `x265`, `xvidcore`
 
-- Licensed under LGPL 3.0, can be customized to support GPL v3.0
+- Licensed under `LGPL 3.0` by default, some packages licensed by `GPL v3.0` effectively
 
 ### 2. Installation
 
@@ -32,21 +35,21 @@ Add `ffmpeg_kit_flutter` as a dependency in your `pubspec.yaml file`.
 
 ```yaml
 dependencies:
-  ffmpeg_kit_flutter: 4.5.1
+  ffmpeg_kit_flutter: 5.1.0
 ```
 
 #### 2.1 Packages
 
-`ffmpeg` includes built-in encoders for some popular formats. However, there are certain external libraries that needs
+`FFmpeg` includes built-in encoders for some popular formats. However, there are certain external libraries that needs
 to be enabled in order to encode specific formats/codecs. For example, to encode an `mp3` file you need `lame` or
 `shine` library enabled. You have to install a `ffmpeg_kit_flutter` package that has at least one of them inside. To
 encode an `h264` video, you need to install a package with `x264` inside. To encode `vp8` or `vp9` videos, you need
 a `ffmpeg_kit_flutter` package with `libvpx` inside.
 
 `ffmpeg-kit` provides eight packages that include different sets of external libraries. These packages are named
-according to the external libraries included in them. Refer to
-[Packages](https://github.com/arthenica/ffmpeg-kit#8-packages) section of the project README to see the names of those
-packages and external libraries included in each of them.
+according to the external libraries included. Refer to the
+[Packages](https://github.com/arthenica/ffmpeg-kit/wiki/Packages) wiki page to see the names of those
+packages and external libraries included in each one of them.
 
 #### 2.2 Installing Packages
 
@@ -55,7 +58,7 @@ using the following dependency format.
 
 ```yaml
 dependencies:
-  ffmpeg_kit_flutter_<package name>: 4.5.1
+  ffmpeg_kit_flutter_<package name>: 5.1.0
 ```
 
 Note that hyphens in the package name must be replaced with underscores. Additionally, do not forget to use the package
@@ -67,39 +70,44 @@ In order to install the `LTS` variant, append `-LTS` to the version you have for
 
 ```yaml
 dependencies:
-  ffmpeg_kit_flutter: 4.5.1-LTS
+  ffmpeg_kit_flutter: 5.1.0-LTS
 ```
 
 #### 2.4 LTS Releases
 
-`ffmpeg_kit_flutter` is published in two different variants: `Main Release` and `LTS Release`. Both releases share the
-same source code but is built with different settings (Architectures, API Level, iOS Min SDK, etc.). Refer to
-[LTS Releases](https://github.com/arthenica/ffmpeg-kit#10-lts-releases) section of the project README to see how they
-compare to each other.
+`ffmpeg_kit_flutter` is published in two variants: `Main Release` and `LTS Release`. Both releases share the
+same source code but is built with different settings (Architectures, API Level, iOS Min SDK, etc.). Refer to the
+[LTS Releases](https://github.com/arthenica/ffmpeg-kit/wiki/LTS-Releases) wiki page to see how they differ from each
+other.
 
-#### 2.5 Android and iOS Support
+#### 2.5 Platform Support
 
-The following table shows the Android API level and iOS deployment target required in `ffmpeg_kit_flutter` releases.
+The following table shows Android API level, iOS deployment target and macOS deployment target requirements in
+`ffmpeg_kit_flutter` releases.
 
 <table>
 <thead>
 <tr>
-<th align="center" colspan="2">Main Release</th>
-<th align="center" colspan="2">LTS Release</th>
+<th align="center" colspan="3">Main Release</th>
+<th align="center" colspan="3">LTS Release</th>
 </tr>
 <tr>
 <th align="center">Android<br>API Level</th>
 <th align="center">iOS Minimum<br>Deployment Target</th>
+<th align="center">macOS Minimum<br>Deployment Target</th>
 <th align="center">Android<br>API Level</th>
 <th align="center">iOS Minimum<br>Deployment Target</th>
+<th align="center">macOS Minimum<br>Deployment Target</th>
 </tr>
 </thead>
 <tbody>
 <tr>
 <td align="center">24</td>
 <td align="center">12.1</td>
+<td align="center">10.15</td>
 <td align="center">16</td>
 <td align="center">10</td>
+<td align="center">10.12</td>
 </tr>
 </tbody>
 </table>
diff --git a/flutter/flutter/android/build.gradle b/flutter/flutter/android/build.gradle
index 0a033dc..7c6b559 100644
--- a/flutter/flutter/android/build.gradle
+++ b/flutter/flutter/android/build.gradle
@@ -1,24 +1,31 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.2'
+        classpath 'com.android.tools.build:gradle:7.1.2'
+    }
+}
+
+rootProject.allprojects {
+    repositories {
+        google()
+        mavenCentral()
     }
 }
 
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     defaultConfig {
         minSdkVersion 24
-        targetSdkVersion 30
-        versionCode 451
-        versionName "4.5.1"
+        targetSdkVersion 31
+        versionCode 510
+        versionName "5.1.0"
     }
 
     buildTypes {
@@ -35,14 +42,7 @@ android {
     }
 }
 
-repositories {
-    mavenCentral()
-    jcenter()
-    google()
-}
-
 dependencies {
     implementation 'androidx.annotation:annotation:1.2.0'
-    implementation 'com.arthenica:ffmpeg-kit-https:4.5.1-1'
+    implementation 'com.arthenica:ffmpeg-kit-https:5.1'
 }
-
diff --git a/flutter/flutter/android/src/main/java/com/arthenica/ffmpegkit/flutter/FFmpegKitFlutterPlugin.java b/flutter/flutter/android/src/main/java/com/arthenica/ffmpegkit/flutter/FFmpegKitFlutterPlugin.java
index 3d227bb..479ce82 100644
--- a/flutter/flutter/android/src/main/java/com/arthenica/ffmpegkit/flutter/FFmpegKitFlutterPlugin.java
+++ b/flutter/flutter/android/src/main/java/com/arthenica/ffmpegkit/flutter/FFmpegKitFlutterPlugin.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2021 Taner Sener
+ * Copyright (c) 2018-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -831,7 +831,7 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
     // FFmpegSession
 
     protected void ffmpegSession(@NonNull final List<String> arguments, @NonNull final Result result) {
-        final FFmpegSession session = new FFmpegSession(arguments.toArray(new String[0]), null, null, null, LogRedirectionStrategy.NEVER_PRINT_LOGS);
+        final FFmpegSession session = FFmpegSession.create(arguments.toArray(new String[0]), null, null, null, LogRedirectionStrategy.NEVER_PRINT_LOGS);
         resultHandler.successAsync(result, toMap(session));
     }
 
@@ -872,14 +872,14 @@ public class FFmpegKitFlutterPlugin implements FlutterPlugin, ActivityAware, Met
     // FFprobeSession
 
     protected void ffprobeSession(@NonNull final List<String> arguments, @NonNull final Result result) {
-        final FFprobeSession session = new FFprobeSession(arguments.toArray(new String[0]), null, null, LogRedirectionStrategy.NEVER_PRINT_LOGS);
+        final FFprobeSession session = FFprobeSession.create(arguments.toArray(new String[0]), null, null, LogRedirectionStrategy.NEVER_PRINT_LOGS);
         resultHandler.successAsync(result, toMap(session));
     }
 
     // MediaInformationSession
 
     protected void mediaInformationSession(@NonNull final List<String> arguments, @NonNull final Result result) {
-        final MediaInformationSession session = new MediaInformationSession(arguments.toArray(new String[0]), null, null);
+        final MediaInformationSession session = MediaInformationSession.create(arguments.toArray(new String[0]), null, null);
         resultHandler.successAsync(result, toMap(session));
     }
 
diff --git a/flutter/flutter/ios/Classes/FFmpegKitFlutterPlugin.m b/flutter/flutter/ios/Classes/FFmpegKitFlutterPlugin.m
index c7b5f8a..a2dac73 100644
--- a/flutter/flutter/ios/Classes/FFmpegKitFlutterPlugin.m
+++ b/flutter/flutter/ios/Classes/FFmpegKitFlutterPlugin.m
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2021 Taner Sener
+ * Copyright (c) 2018-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -112,30 +112,40 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 - (void)registerGlobalCallbacks {
   [FFmpegKitConfig enableFFmpegSessionCompleteCallback:^(FFmpegSession* session){
     NSDictionary *dictionary = [FFmpegKitFlutterPlugin toSessionDictionary:session];
-    self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_COMPLETE_CALLBACK_EVENT withDictionary:dictionary]);
+    dispatch_async(dispatch_get_main_queue(), ^() {
+      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]);
+    dispatch_async(dispatch_get_main_queue(), ^() {
+      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]);
+    dispatch_async(dispatch_get_main_queue(), ^() {
+      self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_COMPLETE_CALLBACK_EVENT withDictionary:dictionary]);
+    });
   }];
 
   [FFmpegKitConfig enableLogCallback: ^(Log* log){
     if (self->logsEnabled) {
       NSDictionary *dictionary = [FFmpegKitFlutterPlugin toLogDictionary:log];
-      self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_LOG_CALLBACK_EVENT withDictionary:dictionary]);
+      dispatch_async(dispatch_get_main_queue(), ^() {
+        self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_LOG_CALLBACK_EVENT withDictionary:dictionary]);
+      });
     }
   }];
 
   [FFmpegKitConfig enableStatisticsCallback:^(Statistics* statistics){
     if (self->statisticsEnabled) {
       NSDictionary *dictionary = [FFmpegKitFlutterPlugin toStatisticsDictionary:statistics];
-      self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_STATISTICS_CALLBACK_EVENT withDictionary:dictionary]);
+      dispatch_async(dispatch_get_main_queue(), ^() {
+        self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_STATISTICS_CALLBACK_EVENT withDictionary:dictionary]);
+      });
     }
   }];
 }
@@ -563,7 +573,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 // FFmpegSession
 
 - (void)ffmpegSession:(NSArray*)arguments result:(FlutterResult)result {
-  FFmpegSession* session = [[FFmpegSession alloc] init:arguments withCompleteCallback:nil withLogCallback:nil withStatisticsCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
+  FFmpegSession* session = [FFmpegSession create:arguments withCompleteCallback:nil withLogCallback:nil withStatisticsCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
   result([FFmpegKitFlutterPlugin toSessionDictionary:session]);
 }
 
@@ -604,14 +614,14 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 // FFprobeSession
 
 - (void)ffprobeSession:(NSArray*)arguments result:(FlutterResult)result {
-  FFprobeSession* session = [[FFprobeSession alloc] init:arguments withCompleteCallback:nil withLogCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
+  FFprobeSession* session = [FFprobeSession create: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 withCompleteCallback:nil withLogCallback:nil];
+  MediaInformationSession* session = [MediaInformationSession create:arguments withCompleteCallback:nil withLogCallback:nil];
   result([FFmpegKitFlutterPlugin toSessionDictionary:session]);
 }
 
@@ -632,23 +642,21 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 // MediaInformationJsonParser
 
 - (void)mediaInformationJsonParserFrom:(NSString*)ffprobeJsonOutput result:(FlutterResult)result {
-  NSError *error;
-  MediaInformation* mediaInformation = [MediaInformationJsonParser from:ffprobeJsonOutput with:error];
-  if (error == nil) {
+  @try {
+    MediaInformation* mediaInformation = [MediaInformationJsonParser fromWithError:ffprobeJsonOutput];
     result([FFmpegKitFlutterPlugin toMediaInformationDictionary:mediaInformation]);
-  } else {
-    NSLog(@"Parsing MediaInformation failed: %@.\n", error);
+  } @catch (NSException *exception) {
+    NSLog(@"Parsing MediaInformation failed: %@.\n", [NSString stringWithFormat:@"%@\n%@", [exception userInfo], [exception callStackSymbols]]);
     result(nil);
   }
 }
 
 - (void)mediaInformationJsonParserFromWithError:(NSString*)ffprobeJsonOutput result:(FlutterResult)result {
-  NSError *error;
-  MediaInformation* mediaInformation = [MediaInformationJsonParser from:ffprobeJsonOutput with:error];
-  if (error == nil) {
+  @try {
+    MediaInformation* mediaInformation = [MediaInformationJsonParser fromWithError:ffprobeJsonOutput];
     result([FFmpegKitFlutterPlugin toMediaInformationDictionary:mediaInformation]);
-  } else {
-    NSLog(@"Parsing MediaInformation failed: %@.\n", error);
+  } @catch (NSException *exception) {
+    NSLog(@"Parsing MediaInformation failed: %@.\n", [NSString stringWithFormat:@"%@\n%@", [exception userInfo], [exception callStackSymbols]]);
     result([FlutterError errorWithCode:@"PARSE_FAILED" message:@"Parsing MediaInformation failed with JSON error." details:nil]);
   }
 }
diff --git a/flutter/flutter/ios/ffmpeg_kit_flutter.podspec b/flutter/flutter/ios/ffmpeg_kit_flutter.podspec
index ba33a6e..afd9360 100644
--- a/flutter/flutter/ios/ffmpeg_kit_flutter.podspec
+++ b/flutter/flutter/ios/ffmpeg_kit_flutter.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'ffmpeg_kit_flutter'
-  s.version          = '4.5.1'
+  s.version          = '5.1.0'
   s.summary          = 'FFmpeg Kit for Flutter'
   s.description      = 'A Flutter plugin for running FFmpeg and FFprobe commands.'
   s.homepage         = 'https://github.com/arthenica/ffmpeg-kit'
@@ -23,112 +23,112 @@ Pod::Spec.new do |s|
   s.subspec 'min' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-min', "4.5.1"
+    ss.dependency 'ffmpeg-kit-ios-min', "5.1"
     ss.ios.deployment_target = '12.1'
   end
 
   s.subspec 'min-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-min', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-ios-min', "5.1.LTS"
     ss.ios.deployment_target = '10'
   end
 
   s.subspec 'min-gpl' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-min-gpl', "4.5.1"
+    ss.dependency 'ffmpeg-kit-ios-min-gpl', "5.1"
     ss.ios.deployment_target = '12.1'
   end
 
   s.subspec 'min-gpl-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-min-gpl', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-ios-min-gpl', "5.1.LTS"
     ss.ios.deployment_target = '10'
   end
 
   s.subspec 'https' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-https', "4.5.1"
+    ss.dependency 'ffmpeg-kit-ios-https', "5.1"
     ss.ios.deployment_target = '12.1'
   end
 
   s.subspec 'https-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-https', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-ios-https', "5.1.LTS"
     ss.ios.deployment_target = '10'
   end
 
   s.subspec 'https-gpl' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-https-gpl', "4.5.1"
+    ss.dependency 'ffmpeg-kit-ios-https-gpl', "5.1"
     ss.ios.deployment_target = '12.1'
   end
 
   s.subspec 'https-gpl-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-https-gpl', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-ios-https-gpl', "5.1.LTS"
     ss.ios.deployment_target = '10'
   end
 
   s.subspec 'audio' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-audio', "4.5.1"
+    ss.dependency 'ffmpeg-kit-ios-audio', "5.1"
     ss.ios.deployment_target = '12.1'
   end
 
   s.subspec 'audio-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-audio', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-ios-audio', "5.1.LTS"
     ss.ios.deployment_target = '10'
   end
 
   s.subspec 'video' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-video', "4.5.1"
+    ss.dependency 'ffmpeg-kit-ios-video', "5.1"
     ss.ios.deployment_target = '12.1'
   end
 
   s.subspec 'video-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-video', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-ios-video', "5.1.LTS"
     ss.ios.deployment_target = '10'
   end
 
   s.subspec 'full' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-full', "4.5.1"
+    ss.dependency 'ffmpeg-kit-ios-full', "5.1"
     ss.ios.deployment_target = '12.1'
   end
 
   s.subspec 'full-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-full', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-ios-full', "5.1.LTS"
     ss.ios.deployment_target = '10'
   end
 
   s.subspec 'full-gpl' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-full-gpl', "4.5.1"
+    ss.dependency 'ffmpeg-kit-ios-full-gpl', "5.1"
     ss.ios.deployment_target = '12.1'
   end
 
   s.subspec 'full-gpl-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-ios-full-gpl', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-ios-full-gpl', "5.1.LTS"
     ss.ios.deployment_target = '10'
   end
 
diff --git a/flutter/flutter/lib/abstract_session.dart b/flutter/flutter/lib/abstract_session.dart
index 4667569..4cbb521 100644
--- a/flutter/flutter/lib/abstract_session.dart
+++ b/flutter/flutter/lib/abstract_session.dart
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021 Taner Sener
+ * Copyright (c) 2019-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -35,7 +35,7 @@ import 'src/ffmpeg_kit_factory.dart';
 
 /// Abstract session implementation which includes common features shared by
 /// "FFmpeg", "FFprobe" and "MediaInformation" sessions.
-class AbstractSession extends Session {
+abstract class AbstractSession extends Session {
   static FFmpegKitPlatform _platform = FFmpegKitPlatform.instance;
 
   /// Defines how long default "getAll" methods wait, in milliseconds.
@@ -428,5 +428,18 @@ class AbstractSession extends Session {
   bool isMediaInformation() => false;
 
   /// Cancels running the session.
-  void cancel() {}
+  Future<void> cancel() async {
+    try {
+      final int? sessionId = getSessionId();
+      await FFmpegKitConfig.init();
+      if (sessionId == null) {
+        return _platform.ffmpegKitCancel();
+      } else {
+        return _platform.ffmpegKitCancelSession(sessionId);
+      }
+    } on PlatformException catch (e, stack) {
+      print("Plugin cancel error: ${e.message}");
+      return Future.error("cancel failed.", stack);
+    }
+  }
 }
diff --git a/flutter/flutter/lib/chapter.dart b/flutter/flutter/lib/chapter.dart
index cbf7bfc..cdf6b87 100644
--- a/flutter/flutter/lib/chapter.dart
+++ b/flutter/flutter/lib/chapter.dart
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Taner Sener
+ * Copyright (c) 2021-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -51,7 +51,7 @@ class Chapter {
   String? getEndTime() => this.getStringProperty(Chapter.keyEndTime);
 
   /// Returns all tags.
-  Map<dynamic, dynamic>? getTags() => this.getProperties(Chapter.keyTags);
+  Map<dynamic, dynamic>? getTags() => this.getProperty(Chapter.keyTags);
 
   /// Returns the chapter property associated with the key.
   String? getStringProperty(String key) => this._allProperties?[key];
@@ -59,8 +59,8 @@ class Chapter {
   /// Returns the chapter property associated with the key.
   num? getNumberProperty(String key) => this._allProperties?[key];
 
-  /// Returns the chapter properties associated with the key.
-  dynamic getProperties(String key) => this._allProperties?[key];
+  /// Returns the chapter property associated with the key.
+  dynamic getProperty(String key) => this._allProperties?[key];
 
   /// Returns all properties found.
   Map<dynamic, dynamic>? getAllProperties() => this._allProperties;
diff --git a/flutter/flutter/lib/ffmpeg_session.dart b/flutter/flutter/lib/ffmpeg_session.dart
index 2cbc777..e3a655c 100644
--- a/flutter/flutter/lib/ffmpeg_session.dart
+++ b/flutter/flutter/lib/ffmpeg_session.dart
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021 Taner Sener
+ * Copyright (c) 2019-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -49,11 +49,6 @@ class FFmpegSession extends AbstractSession {
     return session;
   }
 
-  /// Creates a new FFmpeg session from [sessionMap], which includes session
-  /// fields as map keys.
-  static FFmpegSession fromMap(Map<dynamic, dynamic> sessionMap) =>
-      AbstractSession.createFFmpegSessionFromMap(sessionMap);
-
   /// Returns the session specific statistics callback.
   StatisticsCallback? getStatisticsCallback() =>
       FFmpegKitFactory.getStatisticsCallback(this.getSessionId());
diff --git a/flutter/flutter/lib/ffprobe_session.dart b/flutter/flutter/lib/ffprobe_session.dart
index af35a38..42e826d 100644
--- a/flutter/flutter/lib/ffprobe_session.dart
+++ b/flutter/flutter/lib/ffprobe_session.dart
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021 Taner Sener
+ * Copyright (c) 2019-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -41,11 +41,6 @@ class FFprobeSession extends AbstractSession {
     return session;
   }
 
-  /// Creates a new FFprobe session from [sessionMap], which includes session
-  /// fields as map keys.
-  static FFprobeSession fromMap(Map<dynamic, dynamic> sessionMap) =>
-      AbstractSession.createFFprobeSessionFromMap(sessionMap);
-
   /// Returns the session specific complete callback.
   FFprobeSessionCompleteCallback? getCompleteCallback() =>
       FFmpegKitFactory.getFFprobeSessionCompleteCallback(this.getSessionId());
diff --git a/flutter/flutter/lib/media_information.dart b/flutter/flutter/lib/media_information.dart
index 83560f1..1abb89e 100644
--- a/flutter/flutter/lib/media_information.dart
+++ b/flutter/flutter/lib/media_information.dart
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021 Taner Sener
+ * Copyright (c) 2019-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -22,7 +22,7 @@ import 'stream_information.dart';
 
 /// Media information class.
 class MediaInformation {
-  static const keyMediaProperties = "format";
+  static const keyFormatProperties = "format";
   static const keyFilename = "filename";
   static const keyFormat = "format_name";
   static const keyFormatLong = "format_long_name";
@@ -38,40 +38,54 @@ class MediaInformation {
   MediaInformation(this._allProperties);
 
   /// Returns file name.
-  String? getFilename() => this.getStringProperty(MediaInformation.keyFilename);
+  String? getFilename() =>
+      this.getStringFormatProperty(MediaInformation.keyFilename);
 
   /// Returns format.
-  String? getFormat() => this.getStringProperty(MediaInformation.keyFormat);
+  String? getFormat() =>
+      this.getStringFormatProperty(MediaInformation.keyFormat);
 
   /// Returns long format.
   String? getLongFormat() =>
-      this.getStringProperty(MediaInformation.keyFormatLong);
+      this.getStringFormatProperty(MediaInformation.keyFormatLong);
 
   /// Returns duration.
-  String? getDuration() => this.getStringProperty(MediaInformation.keyDuration);
+  String? getDuration() =>
+      this.getStringFormatProperty(MediaInformation.keyDuration);
 
   /// Returns start time.
   String? getStartTime() =>
-      this.getStringProperty(MediaInformation.keyStartTime);
+      this.getStringFormatProperty(MediaInformation.keyStartTime);
 
   /// Returns size.
-  String? getSize() => this.getStringProperty(MediaInformation.keySize);
+  String? getSize() => this.getStringFormatProperty(MediaInformation.keySize);
 
   /// Returns bitrate.
-  String? getBitrate() => this.getStringProperty(MediaInformation.keyBitRate);
+  String? getBitrate() =>
+      this.getStringFormatProperty(MediaInformation.keyBitRate);
 
   /// Returns all tags.
   Map<dynamic, dynamic>? getTags() =>
-      this.getProperties(StreamInformation.keyTags);
+      this.getFormatProperty(StreamInformation.keyTags);
 
-  /// Returns the media property associated with the key.
-  String? getStringProperty(String key) => this.getMediaProperties()?[key];
+  /// Returns the property associated with the key.
+  String? getStringProperty(String key) => this.getAllProperties()?[key];
 
-  /// Returns the media property associated with the key.
-  num? getNumberProperty(String key) => this.getMediaProperties()?[key];
+  /// Returns the property associated with the key.
+  num? getNumberProperty(String key) => this.getAllProperties()?[key];
 
-  /// Returns the media properties associated with the key.
-  dynamic getProperties(String key) => this.getMediaProperties()?[key];
+  /// Returns the property associated with the key.
+  dynamic getProperty(String key) => this.getAllProperties()?[key];
+
+  /// Returns the format property associated with the key.
+  String? getStringFormatProperty(String key) =>
+      this.getFormatProperties()?[key];
+
+  /// Returns the format property associated with the key.
+  num? getNumberFormatProperty(String key) => this.getFormatProperties()?[key];
+
+  /// Returns the format property associated with the key.
+  dynamic getFormatProperty(String key) => this.getFormatProperties()?[key];
 
   /// Returns all streams found as a list.
   List<StreamInformation> getStreams() {
@@ -102,9 +116,9 @@ class MediaInformation {
     return list;
   }
 
-  /// Returns all media properties.
-  Map<dynamic, dynamic>? getMediaProperties() =>
-      this._allProperties?[keyMediaProperties];
+  /// Returns all format properties found.
+  Map<dynamic, dynamic>? getFormatProperties() =>
+      this._allProperties?[keyFormatProperties];
 
   /// Returns all properties found, including stream properties.
   Map<dynamic, dynamic>? getAllProperties() => this._allProperties;
diff --git a/flutter/flutter/lib/media_information_session.dart b/flutter/flutter/lib/media_information_session.dart
index c550ca8..472fa1b 100644
--- a/flutter/flutter/lib/media_information_session.dart
+++ b/flutter/flutter/lib/media_information_session.dart
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021 Taner Sener
+ * Copyright (c) 2019-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -43,11 +43,6 @@ class MediaInformationSession extends AbstractSession {
     return session;
   }
 
-  /// Creates a new MediaInformation session from [sessionMap], which includes
-  /// session fields as map keys.
-  static MediaInformationSession fromMap(Map<dynamic, dynamic> sessionMap) =>
-      AbstractSession.createMediaInformationSessionFromMap(sessionMap);
-
   /// Returns the media information extracted in this session.
   MediaInformation? getMediaInformation() => this._mediaInformation;
 
diff --git a/flutter/flutter/lib/session.dart b/flutter/flutter/lib/session.dart
index 7fe16ae..a4796d8 100644
--- a/flutter/flutter/lib/session.dart
+++ b/flutter/flutter/lib/session.dart
@@ -106,5 +106,5 @@ abstract class Session {
   bool isMediaInformation();
 
   /// Cancels running the session.
-  void cancel();
+  Future<void> cancel();
 }
diff --git a/flutter/flutter/lib/src/ffmpeg_kit_factory.dart b/flutter/flutter/lib/src/ffmpeg_kit_factory.dart
index bb4529d..d72fca1 100644
--- a/flutter/flutter/lib/src/ffmpeg_kit_factory.dart
+++ b/flutter/flutter/lib/src/ffmpeg_kit_factory.dart
@@ -17,15 +17,13 @@
  * along with FFmpegKit.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import '../ffmpeg_session.dart';
+import '../abstract_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.dart';
-import '../media_information_session.dart';
 import '../media_information_session_complete_callback.dart';
 import '../session.dart';
 import '../statistics.dart';
@@ -66,12 +64,12 @@ class FFmpegKitFactory {
   static Session mapToSession(Map<dynamic, dynamic> sessionMap) {
     switch (sessionMap["type"]) {
       case 2:
-        return FFprobeSession.fromMap(sessionMap);
+        return AbstractSession.createFFprobeSessionFromMap(sessionMap);
       case 3:
-        return MediaInformationSession.fromMap(sessionMap);
+        return AbstractSession.createMediaInformationSessionFromMap(sessionMap);
       case 1:
       default:
-        return FFmpegSession.fromMap(sessionMap);
+        return AbstractSession.createFFmpegSessionFromMap(sessionMap);
     }
   }
 
@@ -79,12 +77,13 @@ class FFmpegKitFactory {
     if (sessionMap != null) {
       switch (sessionMap["type"]) {
         case 2:
-          return FFprobeSession.fromMap(sessionMap);
+          return AbstractSession.createFFprobeSessionFromMap(sessionMap);
         case 3:
-          return MediaInformationSession.fromMap(sessionMap);
+          return AbstractSession.createMediaInformationSessionFromMap(
+              sessionMap);
         case 1:
         default:
-          return FFmpegSession.fromMap(sessionMap);
+          return AbstractSession.createFFmpegSessionFromMap(sessionMap);
       }
     } else {
       return null;
@@ -100,7 +99,7 @@ class FFmpegKitFactory {
     }
   }
 
-  static String getVersion() => "4.5.1";
+  static String getVersion() => "5.1.0";
 
   static LogRedirectionStrategy? getLogRedirectionStrategy(int? sessionId) =>
       logRedirectionStrategyMap[sessionId];
diff --git a/flutter/flutter/lib/stream_information.dart b/flutter/flutter/lib/stream_information.dart
index eb546b6..0af0528 100644
--- a/flutter/flutter/lib/stream_information.dart
+++ b/flutter/flutter/lib/stream_information.dart
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021 Taner Sener
+ * Copyright (c) 2019-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -108,7 +108,7 @@ class StreamInformation {
 
   /// Returns all tags.
   Map<dynamic, dynamic>? getTags() =>
-      this.getProperties(StreamInformation.keyTags);
+      this.getProperty(StreamInformation.keyTags);
 
   /// Returns the stream property associated with the key.
   String? getStringProperty(String key) => this._allProperties?[key];
@@ -116,8 +116,8 @@ class StreamInformation {
   /// Returns the stream property associated with the key.
   num? getNumberProperty(String key) => this._allProperties?[key];
 
-  /// Returns the stream properties associated with the key.
-  dynamic getProperties(String key) => this._allProperties?[key];
+  /// Returns the stream property associated with the key.
+  dynamic getProperty(String key) => this._allProperties?[key];
 
   /// Returns all properties found.
   Map<dynamic, dynamic>? getAllProperties() => this._allProperties;
diff --git a/flutter/flutter/macos/Classes/FFmpegKitFlutterPlugin.m b/flutter/flutter/macos/Classes/FFmpegKitFlutterPlugin.m
index f9f557e..b616988 100644
--- a/flutter/flutter/macos/Classes/FFmpegKitFlutterPlugin.m
+++ b/flutter/flutter/macos/Classes/FFmpegKitFlutterPlugin.m
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2021 Taner Sener
+ * Copyright (c) 2018-2022 Taner Sener
  *
  * This file is part of FFmpegKit.
  *
@@ -112,30 +112,40 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 - (void)registerGlobalCallbacks {
   [FFmpegKitConfig enableFFmpegSessionCompleteCallback:^(FFmpegSession* session){
     NSDictionary *dictionary = [FFmpegKitFlutterPlugin toSessionDictionary:session];
-    self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_COMPLETE_CALLBACK_EVENT withDictionary:dictionary]);
+    dispatch_async(dispatch_get_main_queue(), ^() {
+      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]);
+    dispatch_async(dispatch_get_main_queue(), ^() {
+      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]);
+    dispatch_async(dispatch_get_main_queue(), ^() {
+      self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_COMPLETE_CALLBACK_EVENT withDictionary:dictionary]);
+    });
   }];
 
   [FFmpegKitConfig enableLogCallback: ^(Log* log){
     if (self->logsEnabled) {
       NSDictionary *dictionary = [FFmpegKitFlutterPlugin toLogDictionary:log];
-      self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_LOG_CALLBACK_EVENT withDictionary:dictionary]);
+      dispatch_async(dispatch_get_main_queue(), ^() {
+        self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_LOG_CALLBACK_EVENT withDictionary:dictionary]);
+      });
     }
   }];
 
   [FFmpegKitConfig enableStatisticsCallback:^(Statistics* statistics){
     if (self->statisticsEnabled) {
       NSDictionary *dictionary = [FFmpegKitFlutterPlugin toStatisticsDictionary:statistics];
-      self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_STATISTICS_CALLBACK_EVENT withDictionary:dictionary]);
+      dispatch_async(dispatch_get_main_queue(), ^() {
+        self->_eventSink([FFmpegKitFlutterPlugin toStringDictionary:EVENT_STATISTICS_CALLBACK_EVENT withDictionary:dictionary]);
+      });
     }
   }];
 }
@@ -563,7 +573,7 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 // FFmpegSession
 
 - (void)ffmpegSession:(NSArray*)arguments result:(FlutterResult)result {
-  FFmpegSession* session = [[FFmpegSession alloc] init:arguments withCompleteCallback:nil withLogCallback:nil withStatisticsCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
+  FFmpegSession* session = [FFmpegSession create:arguments withCompleteCallback:nil withLogCallback:nil withStatisticsCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
   result([FFmpegKitFlutterPlugin toSessionDictionary:session]);
 }
 
@@ -604,14 +614,14 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 // FFprobeSession
 
 - (void)ffprobeSession:(NSArray*)arguments result:(FlutterResult)result {
-  FFprobeSession* session = [[FFprobeSession alloc] init:arguments withCompleteCallback:nil withLogCallback:nil withLogRedirectionStrategy:LogRedirectionStrategyNeverPrintLogs];
+  FFprobeSession* session = [FFprobeSession create: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 withCompleteCallback:nil withLogCallback:nil];
+  MediaInformationSession* session = [MediaInformationSession create:arguments withCompleteCallback:nil withLogCallback:nil];
   result([FFmpegKitFlutterPlugin toSessionDictionary:session]);
 }
 
@@ -632,23 +642,21 @@ extern int const AbstractSessionDefaultTimeoutForAsynchronousMessagesInTransmit;
 // MediaInformationJsonParser
 
 - (void)mediaInformationJsonParserFrom:(NSString*)ffprobeJsonOutput result:(FlutterResult)result {
-  NSError *error;
-  MediaInformation* mediaInformation = [MediaInformationJsonParser from:ffprobeJsonOutput with:error];
-  if (error == nil) {
+  @try {
+    MediaInformation* mediaInformation = [MediaInformationJsonParser fromWithError:ffprobeJsonOutput];
     result([FFmpegKitFlutterPlugin toMediaInformationDictionary:mediaInformation]);
-  } else {
-    NSLog(@"Parsing MediaInformation failed: %@.\n", error);
+  } @catch (NSException *exception) {
+    NSLog(@"Parsing MediaInformation failed: %@.\n", [NSString stringWithFormat:@"%@\n%@", [exception userInfo], [exception callStackSymbols]]);
     result(nil);
   }
 }
 
 - (void)mediaInformationJsonParserFromWithError:(NSString*)ffprobeJsonOutput result:(FlutterResult)result {
-  NSError *error;
-  MediaInformation* mediaInformation = [MediaInformationJsonParser from:ffprobeJsonOutput with:error];
-  if (error == nil) {
+  @try {
+    MediaInformation* mediaInformation = [MediaInformationJsonParser fromWithError:ffprobeJsonOutput];
     result([FFmpegKitFlutterPlugin toMediaInformationDictionary:mediaInformation]);
-  } else {
-    NSLog(@"Parsing MediaInformation failed: %@.\n", error);
+  } @catch (NSException *exception) {
+    NSLog(@"Parsing MediaInformation failed: %@.\n", [NSString stringWithFormat:@"%@\n%@", [exception userInfo], [exception callStackSymbols]]);
     result([FlutterError errorWithCode:@"PARSE_FAILED" message:@"Parsing MediaInformation failed with JSON error." details:nil]);
   }
 }
diff --git a/flutter/flutter/macos/ffmpeg_kit_flutter.podspec b/flutter/flutter/macos/ffmpeg_kit_flutter.podspec
index 083244d..ee93a39 100644
--- a/flutter/flutter/macos/ffmpeg_kit_flutter.podspec
+++ b/flutter/flutter/macos/ffmpeg_kit_flutter.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'ffmpeg_kit_flutter'
-  s.version          = '4.5.1'
+  s.version          = '5.1.0'
   s.summary          = 'FFmpeg Kit for Flutter'
   s.description      = 'A Flutter plugin for running FFmpeg and FFprobe commands.'
   s.homepage         = 'https://github.com/arthenica/ffmpeg-kit'
@@ -23,112 +23,112 @@ Pod::Spec.new do |s|
   s.subspec 'min' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-min', "4.5.1"
+    ss.dependency 'ffmpeg-kit-macos-min', "5.1"
     ss.osx.deployment_target = '10.15'
   end
 
   s.subspec 'min-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-min', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-macos-min', "5.1.LTS"
     ss.osx.deployment_target = '10.12'
   end
 
   s.subspec 'min-gpl' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-min-gpl', "4.5.1"
+    ss.dependency 'ffmpeg-kit-macos-min-gpl', "5.1"
     ss.osx.deployment_target = '10.15'
   end
 
   s.subspec 'min-gpl-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-min-gpl', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-macos-min-gpl', "5.1.LTS"
     ss.osx.deployment_target = '10.12'
   end
 
   s.subspec 'https' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-https', "4.5.1"
+    ss.dependency 'ffmpeg-kit-macos-https', "5.1"
     ss.osx.deployment_target = '10.15'
   end
 
   s.subspec 'https-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-https', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-macos-https', "5.1.LTS"
     ss.osx.deployment_target = '10.12'
   end
 
   s.subspec 'https-gpl' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-https-gpl', "4.5.1"
+    ss.dependency 'ffmpeg-kit-macos-https-gpl', "5.1"
     ss.osx.deployment_target = '10.15'
   end
 
   s.subspec 'https-gpl-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-https-gpl', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-macos-https-gpl', "5.1.LTS"
     ss.osx.deployment_target = '10.12'
   end
 
   s.subspec 'audio' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-audio', "4.5.1"
+    ss.dependency 'ffmpeg-kit-macos-audio', "5.1"
     ss.osx.deployment_target = '10.15'
   end
 
   s.subspec 'audio-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-audio', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-macos-audio', "5.1.LTS"
     ss.osx.deployment_target = '10.12'
   end
 
   s.subspec 'video' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-video', "4.5.1"
+    ss.dependency 'ffmpeg-kit-macos-video', "5.1"
     ss.osx.deployment_target = '10.15'
   end
 
   s.subspec 'video-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-video', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-macos-video', "5.1.LTS"
     ss.osx.deployment_target = '10.12'
   end
 
   s.subspec 'full' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-full', "4.5.1"
+    ss.dependency 'ffmpeg-kit-macos-full', "5.1"
     ss.osx.deployment_target = '10.15'
   end
 
   s.subspec 'full-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-full', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-macos-full', "5.1.LTS"
     ss.osx.deployment_target = '10.12'
   end
 
   s.subspec 'full-gpl' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-full-gpl', "4.5.1"
+    ss.dependency 'ffmpeg-kit-macos-full-gpl', "5.1"
     ss.osx.deployment_target = '10.15'
   end
 
   s.subspec 'full-gpl-lts' do |ss|
     ss.source_files         = 'Classes/**/*'
     ss.public_header_files  = 'Classes/**/*.h'
-    ss.dependency 'ffmpeg-kit-macos-full-gpl', "4.5.1.LTS"
+    ss.dependency 'ffmpeg-kit-macos-full-gpl', "5.1.LTS"
     ss.osx.deployment_target = '10.12'
   end
 
diff --git a/flutter/flutter/pubspec.yaml b/flutter/flutter/pubspec.yaml
index 5af935f..c592e26 100644
--- a/flutter/flutter/pubspec.yaml
+++ b/flutter/flutter/pubspec.yaml
@@ -3,7 +3,7 @@ description: FFmpeg Kit for Flutter. Supports Android, iOS and macOS platforms.
 repository: https://github.com/arthenica/ffmpeg-kit
 issue_tracker: https://github.com/arthenica/ffmpeg-kit/issues
 homepage: https://github.com/arthenica/ffmpeg-kit
-version: 4.5.1
+version: 5.1.0
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
@@ -28,4 +28,4 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  plugin_platform_interface: ^2.0.2
+  plugin_platform_interface: ^2.1.3