diff --git a/Tests/MarkersExtractorTests/BasicMarkersOutOfClipBoundsTests.swift b/Tests/MarkersExtractorTests/BasicMarkersOutOfClipBoundsTests.swift
index 96f7095..de3c0b2 100644
--- a/Tests/MarkersExtractorTests/BasicMarkersOutOfClipBoundsTests.swift
+++ b/Tests/MarkersExtractorTests/BasicMarkersOutOfClipBoundsTests.swift
@@ -6,6 +6,7 @@
 
 import XCTest
 @testable import MarkersExtractor
+import DAWFileKit
 import TimecodeKit
 
 final class BasicMarkersOutOfClipBoundsTests: XCTestCase {
@@ -25,22 +26,26 @@ final class BasicMarkersOutOfClipBoundsTests: XCTestCase {
         let fr: TimecodeFrameRate = .fps25
         
         let clip1ParentInfo = Marker.ParentInfo(
+            clipType: FinalCutPro.FCPXML.ClipType.assetClip.name,
             clipName: "Marker Test",
             clipFilename: "Marker Test.m4v",
             clipInTime: tc("00:00:00:00", at: fr),
             clipOutTime: tc("00:00:20:20", at: fr),
             eventName: "Test Event",
             projectName: "Out of Bounds Markers",
+            projectStartTime: tc("00:00:00:00", at: fr),
             libraryName: "MyLibrary"
         )
         
         let clip2ParentInfo = Marker.ParentInfo(
+            clipType: FinalCutPro.FCPXML.ClipType.assetClip.name,
             clipName: "Marker Test",
             clipFilename: "Marker Test.m4v",
             clipInTime: tc("00:00:20:20", at: fr),
             clipOutTime: tc("00:00:41:15", at: fr),
             eventName: "Test Event",
             projectName: "Out of Bounds Markers",
+            projectStartTime: tc("00:00:00:00", at: fr),
             libraryName: "MyLibrary"
         )
         
diff --git a/Tests/MarkersExtractorTests/BasicMarkersTests.swift b/Tests/MarkersExtractorTests/BasicMarkersTests.swift
index 58e7e79..56e00bd 100644
--- a/Tests/MarkersExtractorTests/BasicMarkersTests.swift
+++ b/Tests/MarkersExtractorTests/BasicMarkersTests.swift
@@ -6,6 +6,7 @@
 
 import XCTest
 @testable import MarkersExtractor
+import DAWFileKit
 import TimecodeKit
 
 final class BasicMarkersTests: XCTestCase {
@@ -31,12 +32,14 @@ final class BasicMarkersTests: XCTestCase {
         let fr: TimecodeFrameRate = .fps29_97
         
         let parentInfo = Marker.ParentInfo(
+            clipType: FinalCutPro.FCPXML.ClipType.title.name,
             clipName: "Basic Title",
             clipFilename: "",
             clipInTime: tc("00:00:00:00", at: fr),
             clipOutTime: tc("00:01:03:29", at: fr),
             eventName: "Test Event",
             projectName: "Test Project",
+            projectStartTime: tc("00:00:00:00", at: fr),
             libraryName: "MyLibrary"
         )
         
diff --git a/Tests/MarkersExtractorTests/MarkersExtractorTests.swift b/Tests/MarkersExtractorTests/MarkersExtractorTests.swift
index 2fc5064..26a1bfa 100644
--- a/Tests/MarkersExtractorTests/MarkersExtractorTests.swift
+++ b/Tests/MarkersExtractorTests/MarkersExtractorTests.swift
@@ -6,6 +6,7 @@
 
 import XCTest
 @testable import MarkersExtractor
+import DAWFileKit
 import TimecodeKit
 
 final class MarkersExtractorTests: XCTestCase {
@@ -26,12 +27,14 @@ final class MarkersExtractorTests: XCTestCase {
                 roles: .init(video: "Video", audio: ""),
                 position: tc(position, at: .fps24),
                 parentInfo: .init(
+                    clipType: FinalCutPro.FCPXML.ClipType.video.name,
                     clipName: "Some Clip",
                     clipFilename: "",
                     clipInTime: tc("00:00:00:00", at: .fps24),
                     clipOutTime: tc("01:00:00:00", at: .fps24),
                     eventName: "Some Event",
-                    projectName: "MyProject",
+                    projectName: "MyProject", 
+                    projectStartTime: tc("01:00:00:00", at: .fps24),
                     libraryName: "MyLibrary"
                 )
             )
@@ -80,12 +83,14 @@ final class MarkersExtractorTests: XCTestCase {
                 roles: .init(video: "Video", audio: ""),
                 position: tc(position, at: .fps24),
                 parentInfo: .init(
+                    clipType: FinalCutPro.FCPXML.ClipType.video.name,
                     clipName: "Some Clip",
                     clipFilename: "",
                     clipInTime: tc("00:00:00:00", at: .fps24),
                     clipOutTime: tc("01:00:00:00", at: .fps24),
                     eventName: "Some Event",
                     projectName: "MyProject",
+                    projectStartTime: tc("01:00:00:00", at: .fps24),
                     libraryName: "MyLibrary"
                 )
             )
diff --git a/Tests/MarkersExtractorTests/ProgressTests.swift b/Tests/MarkersExtractorTests/ProgressTests.swift
index 4f6bb37..7589a8c 100644
--- a/Tests/MarkersExtractorTests/ProgressTests.swift
+++ b/Tests/MarkersExtractorTests/ProgressTests.swift
@@ -30,7 +30,12 @@ final class ProgressTests: XCTestCase {
         let videoPlaceholder = try TemporaryMediaFile(withData: videoData)
         let range = tc("00:00:00:00", at: .fps24) ... tc("00:00:00:10", at: .fps24)
         let descriptors: [ImageDescriptor] = range.map {
-            ImageDescriptor(timecode: $0, filename: UUID().uuidString, label: nil)
+            ImageDescriptor(
+                absoluteTimecode: $0,
+                offsetFromVideoStart: $0,
+                filename: UUID().uuidString,
+                label: nil
+            )
         }
         let outputFolder = FileManager.default.temporaryDirectory
         let outputFile = outputFolder.appendingPathComponent(UUID().uuidString + ".gif")
@@ -76,7 +81,12 @@ final class ProgressTests: XCTestCase {
         let videoPlaceholder = try TemporaryMediaFile(withData: videoData)
         let range = tc("00:00:00:00", at: .fps24) ... tc("00:00:00:10", at: .fps24)
         let descriptors: [ImageDescriptor] = range.map {
-            ImageDescriptor(timecode: $0, filename: UUID().uuidString, label: nil)
+            ImageDescriptor(
+                absoluteTimecode: $0,
+                offsetFromVideoStart: $0,
+                filename: UUID().uuidString,
+                label: nil
+            )
         }
         let outputFolder = FileManager.default.temporaryDirectory