diff --git a/Cabbage/Sources/Core/Audio/AudioProcessingTapHolder.swift b/Cabbage/Sources/Core/Audio/AudioProcessingTapHolder.swift
index ceec1d0..551506d 100644
--- a/Cabbage/Sources/Core/Audio/AudioProcessingTapHolder.swift
+++ b/Cabbage/Sources/Core/Audio/AudioProcessingTapHolder.swift
@@ -23,13 +23,13 @@ public class AudioProcessingTapHolder: NSObject, NSCopying {
             prepare: tapPrepare,
             unprepare: tapUnprepare,
             process: tapProcess)
-        var tap: Unmanaged<MTAudioProcessingTap>?
+        // Use the expected type for the Create function: MTAudioProcessingTap?
+        var tap: MTAudioProcessingTap?
         let err = MTAudioProcessingTapCreate(kCFAllocatorDefault, &callbacks, kMTAudioProcessingTapCreationFlag_PostEffects, &tap)
         if err != noErr {
             Log.error("error: failed to create audioProcessingTap")
         }
-        self.tap = tap?.takeRetainedValue()
-        
+        self.tap = tap
     }
     
     // MARK: - Handler
diff --git a/Cabbage/Sources/Core/CompositionGenerator.swift b/Cabbage/Sources/Core/CompositionGenerator.swift
index c5dd944..439cb21 100644
--- a/Cabbage/Sources/Core/CompositionGenerator.swift
+++ b/Cabbage/Sources/Core/CompositionGenerator.swift
@@ -47,10 +47,10 @@ public class CompositionGenerator {
         return imageGenerator
     }
     
-    public func buildExportSession(presetName: String) -> AVAssetExportSession? {
+    public func buildExportSession(presetName: String, animationTool: AVVideoCompositionCoreAnimationTool? = nil) -> AVAssetExportSession? {
         let composition = buildComposition()
         let exportSession = AVAssetExportSession.init(asset: composition, presetName: presetName)
-        exportSession?.videoComposition = buildVideoComposition()
+        exportSession?.videoComposition = buildVideoComposition(animationTool: animationTool)
         exportSession?.audioMix = buildAudioMix()
         exportSession?.outputURL = {
             let documentDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).last!
@@ -192,7 +192,7 @@ public class CompositionGenerator {
         return composition
     }
     
-    public func buildVideoComposition() -> AVVideoComposition? {
+    public func buildVideoComposition(animationTool: AVVideoCompositionCoreAnimationTool? = nil) -> AVVideoComposition? {
         if let videoComposition = self.videoComposition, !needRebuildVideoComposition {
             return videoComposition
         }
@@ -242,6 +242,7 @@ public class CompositionGenerator {
         videoComposition.renderSize = self.timeline.renderSize
         videoComposition.instructions = instructions
         videoComposition.customVideoCompositorClass = VideoCompositor.self
+        videoComposition.animationTool = animationTool
         self.videoComposition = videoComposition
         self.needRebuildVideoComposition = false
         return videoComposition
diff --git a/Cabbage/Sources/Track/Resource/Resource.swift b/Cabbage/Sources/Track/Resource/Resource.swift
index 326c25f..c4f29c5 100644
--- a/Cabbage/Sources/Track/Resource/Resource.swift
+++ b/Cabbage/Sources/Track/Resource/Resource.swift
@@ -13,6 +13,12 @@ public struct ResourceTrackInfo {
     public var track: AVAssetTrack
     public var selectedTimeRange: CMTimeRange
     public var scaleToDuration: CMTime
+    
+    public init(track: AVAssetTrack, selectedTimeRange: CMTimeRange, scaleToDuration: CMTime) {
+        self.track = track
+        self.selectedTimeRange = selectedTimeRange
+        self.scaleToDuration = scaleToDuration
+    }
 }
 
 
@@ -99,7 +105,7 @@ open class Resource: NSObject, NSCopying, ResourceTrackInfoProvider {
     
     // MARK: - ResourceTrackInfoProvider
     
-    public func trackInfo(for type: AVMediaType, at index: Int) -> ResourceTrackInfo {
+    open func trackInfo(for type: AVMediaType, at index: Int) -> ResourceTrackInfo {
         let track = tracks(for: type)[index]
         let emptyDuration = CMTime(value: 1, 30)
         let emptyTimeRange = CMTimeRangeMake(start: CMTime.zero, duration: emptyDuration)
diff --git a/Package.swift b/Package.swift
index 14d0e28..a351f51 100644
--- a/Package.swift
+++ b/Package.swift
@@ -4,12 +4,12 @@
 import PackageDescription
 
 let package = Package(
-    name: "Cabbage",
+    name: "SCCabbage",
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(
-            name: "Cabbage",
-            targets: ["Cabbage"]),
+            name: "SCCabbage",
+            targets: ["SCCabbage"]),
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
@@ -19,18 +19,8 @@ let package = Package(
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
-            name: "Cabbage",
-            dependencies: [],
-            linkerSettings: [
-                .linkedFramework(
-                    "AVFoundation",
-                    .when(platforms: [.iOS, .macOS])
-                ),
-                .linkedFramework(
-                    "Foundation",
-                    .when(platforms: [.iOS, .macOS])
-                )
-            ]
+            name: "SCCabbage",
+            dependencies: []
         )
     ]
 )
diff --git a/README.md b/README.md
index 239810b..8322d7f 100644
--- a/README.md
+++ b/README.md
@@ -154,7 +154,7 @@ use_frameworks!
 target 'MyApp' do
   # your other pod
   # ...
-  pod 'VFCabbage'
+  pod 'SCCabbage', :git => 'https://github.com/kre8tv/SCCabbage'
 end
 ```
 
@@ -167,7 +167,7 @@ You can
 - Or add Cabbage as a submodule.
 
 ```
-$ git submodule add https://github.com/VideoFlint/Cabbage.git
+$ git submodule add https://github.com/kre8tv/SCCabbage
 ```
 
 ## Requirements
diff --git a/VFCabbage.podspec b/SCCabbage.podspec
similarity index 88%
rename from VFCabbage.podspec
rename to SCCabbage.podspec
index 20dad59..b591134 100644
--- a/VFCabbage.podspec
+++ b/SCCabbage.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
-    s.name = 'VFCabbage'
-    s.version = '0.5.1'
+    s.name = 'SCCabbage'
+    s.version = '0.5.2'
     s.summary = 'A high-level video composition framework build on top of AVFoundation. It\'s simple to use and easy to extend.'
 
     s.description  = <<-DESC
@@ -15,14 +15,14 @@ Pod::Spec.new do |s|
 
     s.license = { :type => "MIT", :file => "LICENSE" }
 
-    s.homepage = 'https://github.com/VideoFlint/Cabbage'
+    s.homepage = 'https://github.com/kre8tv/SCCabbage'
 
     s.author = { 'Vito' => 'vvitozhang@gmail.com' }
 
     s.platform = :ios, '9.0'
     s.swift_version = "4.2"
 
-    s.source = { :git => 'https://github.com/VideoFlint/Cabbage.git', :tag => s.version.to_s }
+    s.source = { :git => 'https://github.com/kre8tv/SCCabbage.git', :tag => s.version.to_s }
     s.source_files = ['Cabbage/Sources/core/**/*.swift', 'Cabbage/Sources/**/*.swift']
     s.resource_bundles = { 'Cabbage' => 'Cabbage/Sources/Resource/*.mp4' }
 
diff --git a/Sources/Cabbage/AVAssetReaderImageResource.swift b/Sources/SCCabbage/AVAssetReaderImageResource.swift
similarity index 100%
rename from Sources/Cabbage/AVAssetReaderImageResource.swift
rename to Sources/SCCabbage/AVAssetReaderImageResource.swift
diff --git a/Sources/Cabbage/AVAssetReverseImageResource.swift b/Sources/SCCabbage/AVAssetReverseImageResource.swift
similarity index 100%
rename from Sources/Cabbage/AVAssetReverseImageResource.swift
rename to Sources/SCCabbage/AVAssetReverseImageResource.swift
diff --git a/Sources/Cabbage/AVAssetTrackResource.swift b/Sources/SCCabbage/AVAssetTrackResource.swift
similarity index 100%
rename from Sources/Cabbage/AVAssetTrackResource.swift
rename to Sources/SCCabbage/AVAssetTrackResource.swift
diff --git a/Sources/Cabbage/AudioMixer.swift b/Sources/SCCabbage/AudioMixer.swift
similarity index 100%
rename from Sources/Cabbage/AudioMixer.swift
rename to Sources/SCCabbage/AudioMixer.swift
diff --git a/Sources/Cabbage/AudioProcessingChain.swift b/Sources/SCCabbage/AudioProcessingChain.swift
similarity index 100%
rename from Sources/Cabbage/AudioProcessingChain.swift
rename to Sources/SCCabbage/AudioProcessingChain.swift
diff --git a/Sources/Cabbage/AudioProcessingTapHolder.swift b/Sources/SCCabbage/AudioProcessingTapHolder.swift
similarity index 100%
rename from Sources/Cabbage/AudioProcessingTapHolder.swift
rename to Sources/SCCabbage/AudioProcessingTapHolder.swift
diff --git a/Sources/Cabbage/AudioTransition.swift b/Sources/SCCabbage/AudioTransition.swift
similarity index 100%
rename from Sources/Cabbage/AudioTransition.swift
rename to Sources/SCCabbage/AudioTransition.swift
diff --git a/Sources/Cabbage/CGMathFunctions.swift b/Sources/SCCabbage/CGMathFunctions.swift
similarity index 100%
rename from Sources/Cabbage/CGMathFunctions.swift
rename to Sources/SCCabbage/CGMathFunctions.swift
diff --git a/Sources/Cabbage/CMTimeExtensition.swift b/Sources/SCCabbage/CMTimeExtensition.swift
similarity index 100%
rename from Sources/Cabbage/CMTimeExtensition.swift
rename to Sources/SCCabbage/CMTimeExtensition.swift
diff --git a/Sources/Cabbage/CompositionGenerator.swift b/Sources/SCCabbage/CompositionGenerator.swift
similarity index 100%
rename from Sources/Cabbage/CompositionGenerator.swift
rename to Sources/SCCabbage/CompositionGenerator.swift
diff --git a/Sources/Cabbage/CompositionProvider.swift b/Sources/SCCabbage/CompositionProvider.swift
similarity index 100%
rename from Sources/Cabbage/CompositionProvider.swift
rename to Sources/SCCabbage/CompositionProvider.swift
diff --git a/Sources/Cabbage/CoreImageExtension.swift b/Sources/SCCabbage/CoreImageExtension.swift
similarity index 100%
rename from Sources/Cabbage/CoreImageExtension.swift
rename to Sources/SCCabbage/CoreImageExtension.swift
diff --git a/Sources/Cabbage/ImageCompositionGroupProvider.swift b/Sources/SCCabbage/ImageCompositionGroupProvider.swift
similarity index 100%
rename from Sources/Cabbage/ImageCompositionGroupProvider.swift
rename to Sources/SCCabbage/ImageCompositionGroupProvider.swift
diff --git a/Sources/Cabbage/ImageGeneratorExtension.swift b/Sources/SCCabbage/ImageGeneratorExtension.swift
similarity index 100%
rename from Sources/Cabbage/ImageGeneratorExtension.swift
rename to Sources/SCCabbage/ImageGeneratorExtension.swift
diff --git a/Sources/Cabbage/ImageOverlayItem.swift b/Sources/SCCabbage/ImageOverlayItem.swift
similarity index 100%
rename from Sources/Cabbage/ImageOverlayItem.swift
rename to Sources/SCCabbage/ImageOverlayItem.swift
diff --git a/Sources/Cabbage/ImageResource.swift b/Sources/SCCabbage/ImageResource.swift
similarity index 100%
rename from Sources/Cabbage/ImageResource.swift
rename to Sources/SCCabbage/ImageResource.swift
diff --git a/Sources/Cabbage/KeyframeVideoConfiguration.swift b/Sources/SCCabbage/KeyframeVideoConfiguration.swift
similarity index 100%
rename from Sources/Cabbage/KeyframeVideoConfiguration.swift
rename to Sources/SCCabbage/KeyframeVideoConfiguration.swift
diff --git a/Sources/Cabbage/Log.swift b/Sources/SCCabbage/Log.swift
similarity index 100%
rename from Sources/Cabbage/Log.swift
rename to Sources/SCCabbage/Log.swift
diff --git a/Sources/Cabbage/PHAssetImageResource.swift b/Sources/SCCabbage/PHAssetImageResource.swift
similarity index 100%
rename from Sources/Cabbage/PHAssetImageResource.swift
rename to Sources/SCCabbage/PHAssetImageResource.swift
diff --git a/Sources/Cabbage/PHAssetLivePhotoResource.swift b/Sources/SCCabbage/PHAssetLivePhotoResource.swift
similarity index 100%
rename from Sources/Cabbage/PHAssetLivePhotoResource.swift
rename to Sources/SCCabbage/PHAssetLivePhotoResource.swift
diff --git a/Sources/Cabbage/PHAssetTrackResource.swift b/Sources/SCCabbage/PHAssetTrackResource.swift
similarity index 100%
rename from Sources/Cabbage/PHAssetTrackResource.swift
rename to Sources/SCCabbage/PHAssetTrackResource.swift
diff --git a/Sources/Cabbage/Resource.swift b/Sources/SCCabbage/Resource.swift
similarity index 100%
rename from Sources/Cabbage/Resource.swift
rename to Sources/SCCabbage/Resource.swift
diff --git a/Sources/Cabbage/TimeRangeExtension.swift b/Sources/SCCabbage/TimeRangeExtension.swift
similarity index 100%
rename from Sources/Cabbage/TimeRangeExtension.swift
rename to Sources/SCCabbage/TimeRangeExtension.swift
diff --git a/Sources/Cabbage/Timeline.swift b/Sources/SCCabbage/Timeline.swift
similarity index 100%
rename from Sources/Cabbage/Timeline.swift
rename to Sources/SCCabbage/Timeline.swift
diff --git a/Sources/Cabbage/TimingFunctionFactory.swift b/Sources/SCCabbage/TimingFunctionFactory.swift
similarity index 100%
rename from Sources/Cabbage/TimingFunctionFactory.swift
rename to Sources/SCCabbage/TimingFunctionFactory.swift
diff --git a/Sources/Cabbage/TrackConfiguration.swift b/Sources/SCCabbage/TrackConfiguration.swift
similarity index 100%
rename from Sources/Cabbage/TrackConfiguration.swift
rename to Sources/SCCabbage/TrackConfiguration.swift
diff --git a/Sources/Cabbage/TrackItem.swift b/Sources/SCCabbage/TrackItem.swift
similarity index 100%
rename from Sources/Cabbage/TrackItem.swift
rename to Sources/SCCabbage/TrackItem.swift
diff --git a/Sources/Cabbage/VideoCompositionInstruction.swift b/Sources/SCCabbage/VideoCompositionInstruction.swift
similarity index 100%
rename from Sources/Cabbage/VideoCompositionInstruction.swift
rename to Sources/SCCabbage/VideoCompositionInstruction.swift
diff --git a/Sources/Cabbage/VideoCompositor.swift b/Sources/SCCabbage/VideoCompositor.swift
similarity index 100%
rename from Sources/Cabbage/VideoCompositor.swift
rename to Sources/SCCabbage/VideoCompositor.swift
diff --git a/Sources/Cabbage/VideoTransition.swift b/Sources/SCCabbage/VideoTransition.swift
similarity index 100%
rename from Sources/Cabbage/VideoTransition.swift
rename to Sources/SCCabbage/VideoTransition.swift