Merged PR 22166: Merging 10B release branch into main

Author: drewbatgit

windows.media.core/codecsubtypes_videoformatav1.md

@@ -0,0 +1,29 @@
+---
+-api-id: P:Windows.Media.Core.CodecSubtypes.VideoFormatAv1
+-api-type: winrt property
+---
+
+# Windows.Media.Core.CodecSubtypes.VideoFormatAv1
+
+<!--
+public static string VideoFormatAv1 { get; }
+-->
+
+
+## -description
+
+Gets the string representation of the [GUID](/windows/win32/api/guiddef/ns-guiddef-guid) for the AV1 video subtype.
+
+## -property-value
+
+The string representation of the AV1 video subtype.
+
+## -remarks
+
+This GUID matches the value of the Media Foundation subtype [MFVideoFormat_AV1](/windows/win32/medfound/video-subtype-guids), defined using the FOURCC 'AV01'.
+
+## -see-also
+
+## -examples
+
+

windows.media.core/codecsubtypes_videoformatdv25.md

@@ -10,9 +10,11 @@ public string VideoFormatDV25 { get; }
 # Windows.Media.Core.CodecSubtypes.VideoFormatDV25
 
 ## -description
+
 Gets the string representation of the [GUID](/windows/win32/api/guiddef/ns-guiddef-guid) for the DVCPRO 25 (525-60 or 625-50) video subtype.
 
 ## -property-value
+
 The string representation of the GUID for the DVCPRO 25 (525-60 or 625-50) video subtype.
 
 ## -remarks