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  • Updated HighDPI support in WinForms samples
  • Resolved an issue with HighDPI support for 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
  • FastEdit API has been changed to async
  • Avalonia VideoView downgrade to 0.10.12 because of Avalonia UI problems with NativeControl
  • Added File Encryptor demo


  • Resolved an issue with MKV Legacy output (wrong cast exception).
  • Zoom and pan effects performance optimizations
  • Added basic Media Blocks API (WIP)
  • Added HLS network streaming
  • Added Rotate property to WPF VideoView. You can rotate video by 90, 180, or 270 degrees. Also, you can use 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 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
  • Added Icecast streaming
  • VideoStreamInfo.FrameRate property type changed to VideoFrameRate (with numerator and denominator) from double
  • Updated WPF VideoView, resolved the issue for IP cameras 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


  • 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.
  • 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.
  • Decklink types from VisioForge.Types assembly moved to VisioForge.Types.Decklink namespace.
  • Telemetry updated.
  • Custom redist loader updated.
  • NDI update.
  • 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.
  • Updated FFMPEG source
  • API breaking change: Video Edit SDK types moved from VisioForge.Types namespace to "VisioForge.Types.VideoEdit"
  • API breaking change: Output types moved from VisioForge.Types namespace to VisioForge.Types.Output
  • 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
  • VFMP4v11Output renamed to VFMP4HWOutput
  • Added Microsoft H265 encoder support
  • Added Intel QuickSync H265 encoder support
  • Updated Decklink output
  • 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
  • Nvidia CUDA removed. NVENC is a modern alternative and is available for H264/HEVC encoding.
  • 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 audio stream capture with enabled Virtual Camera SDK output was resolved
  • VFMP4v8v10Output was replaced with VFMP4Output
  • An issue with wrong ColorKey processing in the Text Overlay video effect was resolved
  • MP4v11 AMD encoders were updated
  • FFMPEG.exe network streaming update
  • FFMPEG output was updated to the latest FFMPEG version
  • VC++ redist is no longer required to be installed. VC++ linking changed to static (except optional XIPH output)
  • 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 applications support
  • Resolved issue with RTMPS streaming to the Facebook
  • Added faststart FFMPEG flag for MP4v11 output that used FFMPEG MP4 muxer
  • Added CustomRedist_DisableDialog property to disable redist message dialog
  • MP4v10 default profile has been changed to Baseline / 5.0 for better browsers compatibility


  • .Net 5.0 support
  • Resolved issue with device added/removed notifier
  • 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
  • Added NDI streaming (server)
  • 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 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 SDK's
  • Breaking API change: All time-related API now uses TimeSpan instead long (milliseconds)
  • Tag reader/writer - correct logo loading for some video formats
  • Removed legacy DirectX 9 video effects
  • Fixed audio conversion progress issue
  • Improved .Net Core compatibility
  • 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
  • Improved DirectX 11 video processing
  • Added MPEG-TS AAC-only no video support for MPEG-TS output
  • Several new demo applications
  • Improved MP4 v11 output
  • 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
  • Added custom video resize option for MP4v11 output
  • Merge module (MSM) redists added to all SDK's
  • Updated FFMPEG.exe output using pipes instead of virtual devices
  • Added DirectX 11 based GPU video processing


  • Updated audio fade-in/fade-out effects
  • The updated integrated JSON serializer
  • .Net Core support


  • Added Loop property
  • Updated audio enhancer
  • Deployment without COM registration and admin rights
  • Added method to move OSD


  • Fixed seeking issue with some MP4 files
  • Fixed stretch/letterbox issue in WPF version of all SDK’s
  • Fixed issue with an equalizer on sample rate 16000 or less
  • 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
  • Added Frame_GetCurrentFromRenderer method to all SDKs. Using this method you can get the currently rendered video frame directly from the video renderer.


  • Fixed bug with MP4 v11 output, custom GOP settings
  • Updated MJPEG Decoder
  • Fixed bug with MP4 v11 output, Windows 7 now fully supported
  • OnStop event of Video Edit SDK returns a successful status
  • Added fade-in / fade-out for text logo
  • Updated Decklink output
  • Video Edit SDK can fast-cut files from network sources (HTTP/HTTPS)
  • Added Computer Vision demo, with cars / pedestrian counter and face /eyes / nose / mouth detector / tracker
  • Updated MP4 output to use alternative muxer that provides constant frame rate


  • Updated MP4 output
  • Added madVR video renderer (experimental)
  • Fixed issue with adding video files
  • Fixed issue with TIFF support


  • Added MJPEG decoder filter
  • Added MP4 output using CPU, Nvidia NVENC, Intel QuickSync, and AMD Radeon encoders using Media Foundation API


  • Updated logging
  • Object_Detection property renamed to Motion_DetectionEx, with updated parameters
  • Added I420 video format support
  • Added chroma-key for video mixing, to mix chroma-key and background video streams
  • Added SDK demos code to GitHub and SDK packages to NuGet
  • Updated video effects filter to support odd width and height
  • Added console demo


  • 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 custom DirectX pixel shader to get your own video effect
  • Updated MKV output
  • Added Zoom option to multiscreen
  • Added sharpen effect
  • FastEdit supported in x64 build
  • 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 audio sample grabber and VU-meter with disabled rendering to a real audio output device
  • Filter_Exists_Matroska_Muxer method renamed to Filter_Supported_Matroska_Muxer
  • Added deinterlace support for EVR
  • Added Video Capture and TV Tuning console demos


  • Updated LAME encoder, resolved an issue with low bitrates for mono audio
  • Updated encryption engine (bugfix)
  • Added FFMPEG.exe x265 custom preset support
  • YUV2RGB filter now supports HDYC format
  • Added installer for Visual Studio Toolbox
  • Made file size optimization for Virtual Camera and Network Streaming filters
  • Added IIS Smooth Streaming using FFMPEG.exe
  • Added Nvidia NVENC H264 encoder for MP4 output, to encode video much faster if you have Nvidia GPU
  • Removed Nvidia CUDA encoder from demo apps (not from SDK), replaced by NVENC
  • Updated channel order audio effect
  • Updated audio mixer
  • Added audio channel mapper filter. You can set custom channels amount and map any source channel to any output channel
  • Added subtitles support (from an external file) to Video Edit SDK


  • The updated media information reader
  • MediaInfoNV renamed to MediaInfoReader
  • Improved logging
  • Fixed issue with Pan effect in x64 build
  • Fixed issue with Blur effect
  • Fixed CUDA encoder 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
  • 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 saved as "legacy" if you will have some issues with new filters or API
  • Improved information reading for some Speex files
  • Added video crop implementation in Video Edit SDK .Net Main Demo
  • Video Edit SDK .Net API for adding files now returns a boolean value to easily handle errors. Error text still returned using OnError event
  • Video Edit SDK .Net Input_AddImageFile method now accept List(VEImageSource) object, it's the best way to add multiple image files at the same time (smaller memory usage, smaller HDD, and CPU usage)
  • Video Edit SDK .Net - new PIP modes - horizontal and vertical split, Video_Transition_Add_PIP call replaced by Input_AddVideoFile_PIP method
  • Error tracking now added to Visual Studio Output window, you'll see all errors that come from OnError event (but without diagnostic information)
  • Added Input_Timeline_Load / Input_Timeline_Save methods in Video Edit SDK .Net, using this API you can load your own timeline with all available parameters in DirectShow Editing Services
  • Added VFFileSegment class to specify multiple parts of the same file while adding it in Video Edit SDK .Net
  • Microsoft DTV-DVD Video Decoder filter blacklisted in Video Edit SDK .Net due to a lot of issues with it. Please use LAV filters or any other good MPEG-2 / MPEG-4 / H264 decoder
  • Added settings serialization to JSON format
  • GIF output in Video Edit SDK .Net / Video Capture SDK .Net
  • Custom video effects 3rd-party filters can be added by CLSID now, before or after main effects filter/sample grabber
  • Added MP3 splitter to resolve issues with some MP3 files, that can't be playable using default splitter
  • VisioForge.Controls.WinForms and VisioForge.Controls.WPF assemblies now replaced by VisioForge.Controls.UI
  • Updated MP4 output, with resolved AV sync issue and improved latest Intel CPUs support
  • Added ExecutableFilename property of VFFFMPEGEXEOutput to set custom FFMPEG.exe filename
  • Video effects seriously optimized for latest Intel CPU's


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


  • Resolved WebM flipped video issue
  • Added video renderer video processing API to VMR-9 and EVR video renderers
  • Video_Renderer_Stretch property changed to Video_Renderer_StretchMode, in WPF new mode available
  • Added Video Encryption SDK v9 support, now file or binary data can be used as a key, AES-256 strong encryption available
  • Updated FFMPEG.exe network streamer
  • Updated and improved MP4 output
  • Added M4A (AAC) output


  • Added resolution check for H264
  • Updated Intel QuickSync support for H264 encoder
  • Added Desktop Duplication API usage in Windows 8 for a faster screen capture
  • 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
  • Added UDP streaming (MPEG-TS) using FFMPEG.exe
  • Added RTMP streaming using FFMPEG.exe
  • FFMPEG... properties renamed to FFMPEG_DLL...
  • Audio volume API has been changed, now volume in percents


  • Added video H264 CPU / Intel QuickSync decoder
  • Added video H264 Intel QuickSync encoder
  • Added FLAC output
  • Updated LAME encoder, now available for x64
  • API update - AudioLAME... properties renamed to LAME_...
  • Updated Ogg Vorbis encoder / decoder
  • Added UYVY video format support on input
  • Added Speex output
  • Updated WebM output, with VP9 support
  • Added WebM decoders
  • Frame grabber API changes
  • Several bug fixes


  • New MP4 H264 / AAC output, worked on Windows 7 and later and have better optimization for Intel CPU's
  • New MP4 H264 CUDA / AAC output, for Nvidia cards
  • Video rotation on-the-fly video effect
  • Updated FFMPEG encoder
  • 4K-ready video effects
  • API change - renamed properties H264CUDA to MP4CUDA
  • 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 background image
  • Several bug fixes


  • Updated FFMPEG encoder and decoder
  • Several bug fixes


  • Improved H264 encoder
  • Several bug fixes


  • Several bug fixes


  • RTSP streaming
  • Several bug fixes


  • MP4 H264 / AAC output
  • Several bug fixes


  • Video encryption support
  • Several bug fixes


  • Network streaming to Adobe Flash Media Server or other servers
  • Several bug fixes


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


  • Virtual Camera SDK support as target


  • Network streaming added
  • 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


  • Windows 8 RTM support
  • MP4 H264 output using Nvidia CUDA technology (BETA)
  • Updated FFMPEG output
  • Pan / zoom video effect
  • Video/audio tagging API
  • Small bug fixes


  • Windows 8 Customer Preview support
  • improved video effects


  • improved OpenCL support
  • Windows 8 Developer Preview support
  • improved video effects
  • multiple audio streams support for AVI and WMV output


  • Minor bugfixes
  • New main installer and redist installers


  • Minor bugfixes
  • Improved video effects
  • New optimizations for Intel Core II / Atom, AMD netbook CPU's


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


  • Motion detection
  • WebM output
  • MPEG-1/2/4 and FLV output using FFMPEG
  • 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