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  • [X-engines] Resolved wrong aspect ratio with video resize effect/block
  • [X-engines] Updated GStreamer redist
  • [X-engines] Added Basler USB3/GigE cameras support in Media Blocks SDK .Net and Video Capture SDK .Net
  • [Windows] Added Stream support in MediaInfoReader. You can get the video/audio file information from a stream (DB, network, memory, etc.).
  • [X-engines] Updated Live Video Compositor engine, which improved support of the file sources
  • [X-engines] Added API to get snapshots from video files using MediaInfoReaderX: GetFileSnapshotBitmap, GetFileSnapshotSKBitmap, GetFileSnapshotRGB
  • [X-engines] iOS support in MAUI samples
  • [X-engines] Resolved memory leak issue for RTSP sources
  • MediaPlayerCore: Added support for data streams in video files using the FFMPEG source engine. Add the OnDataFrameBuffer event to get data frames (KLV or other) from the video file.
  • [Windows] Fixed the hang problem with the FFMPEG source when a network connection is lost
  • [X-engines] Added support for FLIR/Teledyne cameras (USB3Vision/GigE) using the Spinnaker SDK
  • .Net 7 support returned to the MAUI package (was removed by CI error).
  • The IAsyncDisposable interface was added to all SDK's core classes. DisposeAsync call should be used to dispose of the core objects in async methods.
  • [X-engines] Improved MAUI video rendering speed
  • [X-engines] Resolved MAUI media playback issues (decoding) in MAUI Android
  • [X-engines] Resolved an issue with the H264 webcam sources (sometimes not connected)
  • [X-engines] Resolved an issue with audio stream playback in the Live VideoCompositor engine
  • MediaPlayerCore: Added growing MPEG-TS file support for the VLC engine. You can play growing MPEG-TS files while it's recorded


  • [X-engines] [API breaking change] DeviceEnumerator can now be used only by using DeviceEnumerator.Shared property. It is required to have one enumerator per app. DeviceEnumerator objects used by API have been removed
  • [X-engines] [API breaking change] Android Activity is not required anymore to create SDK engines
  • [X-engines] [API breaking change] X-engines require additional initialization and de-initialization steps. To initialize SDK, use the VisioForge.Core.VisioForgeX.InitSDK() call. To de-initialize SDK, use the VisioForge.Core.VisioForgeX.DestroySDK() call. You need to initialize SDK before any SDK class usage and de-initialize SDK before the application exits.
  • [Windows] Improved MAUI video rendering performance in Windows
  • [Windows] Added a mouse highlight for screen capture sources
  • [Windows] Resolved a CallbackOnCollectedDelegate call issue with the BasicWindow class
  • [Avalonia] Resolved an issue with Avalonia VideoView resize
  • [X-engines] Added the StartPosition and StopPosition properties to UniversalSourceSettings. You can use these properties to set the start and stop positions for the file source.
  • Resolved the issue with passwords with special characters used for RTSP sources
  • Resolved the rare video flip issue with the Virtual Camera SDK engine
  • The VisioForge MJPEG Decoder filter was removed from the SDK's NuGet packages. You can optionally add it to your project by file copying or COM registration deployment.
  • [X-engines] Fixed memory leak in the OverlayManager
  • [X-engines] DeviceEnumerator got events to notify about devices added/removed: OnVideoSourceAdded, OnVideoSourceRemoved, OnAudioSourceAdded, OnAudioSourceRemoved, OnAudioSinkAdded, OnAudioSinkRemoved
  • [X-engines] Added custom error handler support for MediaBlocks, VideoCaptureCoreX, and MediaPlayerCoreX engines. Use the IMediaBlocksPipelineCustomErrorHandler interface and the SetCustomErrorHandler method to set a custom error handler.
  • MediaPlayerCore: Added Virtual_Camera_Output_AlternativeAudioFilterName property to set a custom audio filter for the Virtual Camera SDK output
  • MediaPlayerCore: Updated Tempo effect.
  • [X-engines] Updated device enumerator. Removed unwanted firewall dialog when listing NDI sources.
  • [X-engines] Fixed an issue with the video mixer when adding/removing video sources.
  • Resolved an issue with the Tempo audio effect.


  • .Net 8 support
  • Avalonia 11.0.5 support.
  • Updated VLC source (libVLC 3.0.19).
  • Updated FFMPEG sources and encoders. Resolved issue with missed MSVC dependencies.
  • SkiaSharp security updates.
  • Updated Overlay Manager. Added OverlayManagerDateTime class to draw current date time and custom text.
  • Updated OverlayManagerImage. Resolved issue with System.Drawing.Bitmap usage.


  • MediaPlayerCore: Added the static CreateAsync method that can be used instead of the constructor to create engines without UI lag.
  • Updated Avalonia VideoView. Resolved issue with VideoView recreation.
  • MediaPlayerCoreX: Resolved startup issue with the Android version of the MediaPlayerCoreX engine.
  • MediaPlayerCore: Video_Stream_Index property has been replaced with Video_Stream_Select/Video_Stream_SelectAsync methods.
  • MediaPlayerCoreX: Added Video_Stream_Select method.
  • Updated WPF rendering. Improved performance for 4K and 8K videos.
  • MediaPlayerCoreX: Added Custom_Video_Outputs/Custom_Audio_Outputs properties to set custom video/audio renderers
  • MediaPlayerCoreX: Added Decklink Output Player Demo (WPF)
  • [Cross-platform SDKs] Updated device enumerator
  • [Cross-platform SDKs] Resolved issue with VU Meter (event not fired)
  • Updated memory playback
  • Added IAsyncDisposable interface support for cross-platform core classes. It should be used to dispose of the core objects in async methods.
  • Added madVR Demo
  • Resolved madVR issues in all SDKs
  • Resolve the "image not found" issue with the WinUI NuGet package
  • Improved madVR support
  • WinUI VideoView updated to fix issues during audio file playback
  • Resolved issues with NDI source detection in the local network
  • Added KLVParser class to read and decode data from KLV binary files.
  • Added WASAPI 2 support.
  • Updated Avalonia VideoView control. Resolved issues with video playback on Windows on HighDPI displays.
  • [CV] Resolved the issue with wrong face coordinates.
  • Added Save/Load methods for output format to serialize into JSON.
  • Resolved MP4 HW QSV H264 regression.
  • WinForms and WPF VideoView stability updates.
  • Removed FilenamesOrURL legacy property. Please use Playlist_... API instead.
  • Telemetry update
  • SDKs updated to use the ObservableCollection instead of List in public API.
  • Updated MP4 HW output. Improved NVENC performance.
  • Updated scrolling text logo. Added the Preload method to render a text overlay before playback.
  • Updated scrolling text logo (performance)
  • Resolved crash with a text logo with a custom resolution
  • Resolved the DeinterlaceBlend video effect crash
  • Used 3rd-party libraries moved to VisioForge.Libs.External assembly/NuGet
  • Added Nvidia Maxine Video Effects SDK (BETA) and sample app for Media Player SDK .Net and Video Capture SDK .Net
  • VisioForge HW encoders update


  • .Net 7 support
  • System.Drawing.Rectangle and System.Drawing.Size types are replaced by VisioForge.Types.Rectangle and VisioForge.Types.Size in all crossplatform APIs
  • MAUI samples (BETA) are added
  • Online licensing updated
  • Added segments support in Media Player SDK .Net (Cross*platform engine)
  • Added Playlist API in Media Player SDK .Net (Windows*only engine)
  • Resolved issues with the reverse playback engine in Media Player SDK .Net (Windows*only engine)
  • API breaking change: the frame rate changed from double to VideoFrameRate in all APIs
  • Added GPU HW decoding for VLC engine
  • Resolved issue with WPF HighDPI apps that use EVR
  • Resolved issue with MediaPlayerCore.Video_Renderer_SetCustomWindowHandle method
  • Added previous frame playback in Media Player SDK .Net (Cross*platform engine)
  • Added WPF Screen Capture Demo to Media Blocks SDK .Net


  • Resolved an issue with ignored Play_PauseAtFirstFrame property
  • Updated HighDPI support in WinForms samples
  • Resolved an issue with HighDPI support for the Direct2D video renderer
  • Resolved forced reencoding issue with FFMPEG files join without reencoding
  • Sentry update
  • Added video interpolation settings for Zoom and Pan video effects
  • Added GtkSharp UI framework support for video rendering
  • Added OnLoop event into Media Player SDK .Net
  • Avalonia VideoView was downgraded to 0.10.12 because of Avalonia UI problems with NativeControl


  • Zoom and pan effects performance optimizations
  • Added basic Media Blocks API (WIP)
  • Added Rotate property to WPF VideoView. You can rotate the video by 90, 180, or 270 degrees. Also, you can use the GetImageLayer() method to get the Image layer and apply custom transforms
  • API change - FilterHelpers renamed to FilterDialogHelper
  • VisioForge.Types and VisioForge.MediaFramework assemblies merged into VisioForge.Core
  • UI classes moved to "VisioForge.Core.UI.*" assemblies and independent NuGet packages
  • VisioForge.Types renamed to VisioForge.Core.Types
  • VisioForge.Core no longer depends on the Windows Forms framework


  • Added HorizontalAlignment and VerticalAlignment properties to the text and image logos
  • SDK migrated to System.Text.Json from NewtonsoftJson
  • Video processing performance optimizations


  • Disabled Sentry debug messages in the console
  • VideoStreamInfo.FrameRate property type changed to VideoFrameRate (with numerator and denominator) from double
  • Updated WPF VideoView, resolved the issue for IP camera stream playback
  • API breaking change: VisioForge.Controls, VisioForge.Controls.UI, VisioForge.Controls.UI.Dialogs, and VisioForge.Tools merged inside VisioForge.Core
  • Audio effect API now uses string name instead of index
  • Added Android support
  • Added a new GStreamer-based cross-platform engine to support Windows and other platforms within the v15 development cycle


  • Resolved SDK_Version possible issue.
  • Added Settings_Load API. You can load the settings file saved by Settings_JSON. Be sure that device names are correct.
  • RTP support for the VLC source engine.
  • API breaking change: SDK_State property has been removed. We do not have TRIAL and FULL SDK versions anymore.
  • API breaking change: DirectShow_Filters_Show_Dialog, DirectShow_Filters_Has_Dialog, Audio_Codec_HasDialog, Audio_Codec_ShowDialog, Video_Codec_HasDialog, Video_Codec_ShowDialog, Filter_Supported_LAV, Filter_Exists_MatroskaMuxer, Filter_Exists_OGGMuxer, Filter_Exists_VorbisEncoder, Filter_Supported_EVR, Filter_Supported_VMR9 and Filter_Supported_NVENC has been moved to VisioForge.Tools.FilterHelpers class.
  • VFAudioStreamInfo/VFVideoStreamInfo duration type changed to Timespan.
  • Telemetry updated.
  • Custom redist loader updated.
  • API breaking change: Status property changes to State, type is PlaybackState in all SDKs.
  • API breaking change: UI controls split into Core (VideoCaptureCore, MediaPlayerCore, VideoEditCore) and VideoView.
  • API breaking change: In Media Player SDK Source_Stream... properties were merged into the Source_MemoryStream property of MemoryStreamSource type
  • Updated DVD playback
  • Updated FFMPEG source
  • API breaking change: Media Player SDK types moved from VisioForge.Types namespace to VisioForge.Types.MediaPlayer
  • API breaking change: Video Effects types moved from VisioForge.Types namespace to VisioForge.Types.VideoEffects
  • API breaking change: Audio Effects types moved from VisioForge.Types namespace to VisioForge.Types.AudioEffects
  • API breaking change: Event types moved from VisioForge.Types namespace to VisioForge.Types.Events
  • Added Video_Renderer_SetCustomWindowHandle method to set custom video renderer by Win32 window/control HWND handle


  • Windows 11 support
  • Telemetry update
  • Custom redist configuration updated


  • An issue with Video Resize filter creation for NuGet redists has been resolved
  • Telemetry update
  • Updated VFDirectCaptureMP4Output output
  • .Net 6 (preview) support
  • Split project and solutions by independent files for .Net Framework 4.7.2, .Net Core 3.1, .Net 5 and .Net 6


  • An issue with wrong ColorKey processing in the Text Overlay video effect was resolved
  • VC++ redist is no longer required to be installed. VC++ linking changed to a static
  • Many base DirectShow filters moved to the VisioForge_BaseFilters module


  • Added WPF VideoView control. You can push video frames from the OnVideoFrameBuffer event to control to render them
  • Correct default transparency value for a text logo
  • Updated MJPEG Decoder (improved performance)
  • Removed MP4 v8 legacy encoders
  • INotifyPropertyChanged support in WinForms/WPF wrappers to provide MVVM application support
  • Added CustomRedist_DisableDialog property to disable the redist message dialog


  • .Net 5.0 support
  • Resolved issue with device added/removed notifier
  • Added NDI streaming (server)
  • Resolved issue with merged text/image logos
  • Updated device notifier
  • Legacy audio effects have been removed.
  • Updated HLS server. Correct error reporting about used port
  • Updated FFMPEG Source filter, more supported codecs, and added GPU decoding


  • Migrated to .Net 4.6
  • Added Debug_DisableMessageDialogs property to disable error dialog if OnError event is not implemented
  • Fixed issue with resizing on pause for WPF controls
  • Added OnPause/OnResume events
  • Updated YouTube demo
  • Updated VLC source
  • Removed unwanted warning in MP4 v11 output
  • One installer for TRIAL and FULL versions
  • Same NuGet packages for TRIAL and FULL versions
  • .Net Core NuGet packaged merged with .Net Framework package
  • Added NuGet redists. Deployment never was so simple!


  • Async / await API for all SDKs
  • Breaking API change: All time*related API now uses TimeSpan instead of long (milliseconds)
  • Tag reader/writer * correct logo loading for some video formats
  • Removed legacy DirectX 9 video effects
  • Improved .Net Core compatibility
  • Virtual Camera SDK output added (as one of the video renderers)
  • Added Video_Effects_MergeImageLogos and Video_Effects_MergeTextLogos properties. If you have 3 or more logos you can set these properties to true to optimize video effects' performance
  • Added VR 360° video support
  • Improved DirectX 11 video processing
  • Several new demo applications
  • Many minor bugfixes
  • .Net Core assemblies updated to .Net Core 3.1 LTS
  • Updated demos repository on GitHub


  • Alternative OSD implementation to handle Windows 10 changes
  • Updated GPU video effects
  • Updated memory source
  • Updated OSD API
  • Resolved issues with video encryption using binary keys
  • Merge module (MSM) redists added to all SDKs
  • Resolved issue with file lock using LAV engine
  • Added DirectX11-based GPU video processing


  • Improved subtitles support with auto*loading
  • Updated audio fade-in/fade-out effects
  • Added MIDI and KAR files support
  • Added CDG karaoke files support (and new demo application)
  • Added Async playback
  • The updated integrated JSON serializer
  • Added optional GPU decoding. Available decoding engines: DXVA2, Direct3D 11, nVidia CUVID, Intel QuickSync
  • .Net Core support


  • Updated audio enhancer
  • Deployment without COM registration and admin rights
  • Updated video mixer with improved performance
  • Added YouTube playback code snippet
  • Added method to move OSD


  • Fixed stretch/letterbox issue in the WPF version of all SDKs
  • Fixed issue with the equalizer on sample rate 16000 or less
  • Fixed problem with sample grabber for DirectShow source
  • Fixed encrypted file playback
  • Added DVDInfoReader class to read info about DVD files
  • Improved barcode detection quality for rotated images
  • The minimal .Net Framework version is .Net 4.5 now
  • Improved YouTube playback. Added OnYouTubeVideoPlayback event to select video quality for playback
  • Added Play_PauseAtFirstFrame property. If true playback will be paused on the first frame
  • Resolved issue with network stream playback in WPF applications
  • Added Fake Audio Source DirectShow filter, which produces a tone signal
  • Added Frame_GetCurrentFromRenderer method to all SDKs. Using this method you can get the currently rendered video frame directly from the video renderer.


  • Updated MJPEG Decoder
  • Media Player SDK Main Demo update * multiscreen can automatically use connected external displays
  • Added fade-in/fade-out for text logo


  • Added demo for playback files with multiple video streams
  • Correct speed change during WMV file playback
  • Added madVR video renderer (experimental)
  • Improved SRT subtitles support
  • Added PictureInPicture support
  • Added seeking to the previous frame


  • Added MJPEG decoder filter


  • Updated logging
  • Object_Detection property renamed to Motion_DetectionEx, with updated parameters
  • Added SDK demo code to GitHub and SDK packages to NuGet
  • Added face tracking
  • Updated video effects filter to support odd width and height
  • Added YouTube video playback


  • SDKs now have AnyCPU only. To get the x86 app set the "Prefer 32-bit" option in your project settings
  • Added GPU-based video effects. You can set a custom DirectX pixel shader to get your video effect
  • Added Seamless Playback Demo to Media Player SDK
  • Added Zoom option to multiscreen
  • Added sharpen effect
  • Added TimeStamp video effect (based on TextLogo effect)
  • Added Mode property to Text Logo class. Now you can draw text, current date/time, frame timestamp, or number
  • Audio_OutputDevice property can be set to "NULL" (string) to have an audio sample grabber and VU*meter with disabled rendering to a real audio output device
  • Added deinterlace support for EVR


  • Updated encryption engine (bugfix)
  • YUV2RGB filter now supports HDYC format
  • Added installer for Visual Studio Toolbox
  • DVD playback menu position correct handling in Media Player SDK .Net
  • The DVD playback blink issue resolved
  • Added x64 VLC source
  • Updated channel order audio effect
  • Updated audio mixer
  • Added audio channel mapper filter. You can set a custom channel amount and map any source channel to any output channel


  • The updated media information reader
  • MediaInfoNV renamed to MediaInfoReader
  • Improved logging
  • Updated Video Player demo
  • Fixed issue with Pan effect in x64 build
  • Fixed issue with Blur effect
  • Fixed FFMPEG source memory leak
  • Added standard tags support for video and audio files, including MP4, WMV, MP3, AAC, M4A, Ogg Vorbis, and other formats. Media Player SDK can read tags, Video Capture SDK and Video Edit SDK can write tags
  • Separate capture API now has SeparateCapture_Filename_Mask property to configure file name that will be used for auto split by duration or size
  • Added delayed start in all SDKs. This feature can be used to start multiple SDK controls almost at the same time. Check Start_DelayEnabled description
  • Audio effects are now written on C# and can be used in x64 applications. Old effects usage is saved as "legacy" if you have some issues with new filters or API
  • Improved information reading for some Speex files
  • Error tracking is added to the Visual Studio Output window, you'll see all errors that come from the OnError event (but without diagnostic information)
  • Added settings serialization to JSON format
  • LAV playback engine (FFMPEG based) added to Media Player SDK .Net
  • Blu*Ray playback in Media Player SDK .Net
  • Custom video effects 3rd*party filters can be added by CLSID now, before or after the main effects filter/sample grabber
  • Added MP3 splitter to resolve issues with some MP3 files, that can't be playable using the default splitter
  • VisioForge.Controls.WinForms and VisioForge.Controls.WPF assemblies were replaced by VisioForge.Controls.UI
  • Updated VLC source filter (libVLC, improved RTMP and HTTPS support, resolved memory leak issue
  • Video effects are seriously optimized for the latest Intel CPUs


  • Updated VLC engine (libVLC
  • The updated media information reader
  • Updated FFMPEG engine


  • Video_Renderer_Stretch property changed to Video_Renderer_StretchMode, in WPF new mode available
  • Added Video Encryption SDK v9 support, file or binary data can be used as a key, AES-256 strong encryption available


  • Added animated GIF support as image logo
  • Added audio enhancements (normalization, auto gain, manual gain)
  • Added SDK_Version / SDK_State properties to see SDK assemblies used version and registration info
  • Added licensing event to check required SDK edition
  • Audio volume API has been changed, now volume in percent


  • Added video H264 CPU / Intel QuickSync decoder
  • Added custom DirectShow video filters support
  • Added OnNewFilePlaybackStarted event
  • Updated Ogg Vorbis decoder
  • Added WebM decoders
  • Frame grabber API changes
  • Several bug fixes


  • Video rotation on-the-fly video effect
  • Updated FFMPEG source
  • 4K*ready video effects
  • API change - video renderer-related Screen properties renamed to Video_Renderer_...
  • VMR-9/EVR Zoom shift bug fixed
  • Custom video renderer background color for all renderers
  • Direct2D video renderer with live video rotation (BETA)
  • WPF controls the background image
  • Several bug fixes


  • Updated FFMPEG decoder
  • Several bug fixes


  • Several bug fixes


  • VLC engine implemented for video/audio file playback
  • Several bug fixes


  • Reverse playback
  • Several bug fixes


  • Video encryption support
  • Several bug fixes


  • Fade-in/fade-out video effect added
  • Playlist support
  • Several bug fixes


  • Several bug fixes
  • Improved chroma key
  • Improved text logo
  • Changed video effects API


  • Barcode reader (QR Code, UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, Code 128, Codabar, ITF, RSS-14, Data Matrix, Aztec, PDF-417)
  • Several bug fixes


  • Pan/zoom video effect
  • Video/audio tagging API
  • Small bug fixes


  • Windows 8 RTM support
  • improved video effects
  • new FFMPE-*based playback engine


  • Windows 8 Customer Preview support
  • improved video effects


  • improved OpenCL support
  • Windows 8 Developer Preview support
  • improved video effects


  • Minor bug fixes
  • New main installer and redist installers


  • Improved video effects
  • Minor bug fixes
  • New demo applications
  • New optimizations for Intel Core II / Atom, AMD netbook CPUs


  • All .Net SDKs are statically linked to MS VC++, and additional runtime installation that sometimes causes problems is no longer required
  • Improved video effects
  • New optimizations for Intel Core i7 CPUs


  • Motion detection
  • Chroma-key
  • MMS / WMV source
  • Integrated AForge.Net for object detection and improved video processing
  • Video effects optimized for Intel Atom and Core i3/i5/i7 now
  • Direct processing of decoded video/audio streams