Video Capture SDK (Delphi/ActiveX)

VisioForge Video Capture SDK, compatible with Delphi and ActiveX, equips developers with the tools to seamlessly embed video capture and processing features within their applications. This SDK is designed to handle and capture video and audio streams across various sources, including TV tuners, USB capture devices, digital video cameras, PCI capture cards, and IP cameras.
  • slide 1
  • slide 2
  • slide 3
  • slide 4
  • slide 5
abstract 1
abstract 2
abstract 3

Principal capabilities of the VisioForge Video Capture SDK (Delphi/ActiveX) consist of:

  • Video preview
  • Recording video streams to various formats, including:
    • AVI files with support for multiple codecs like MJPEG, DivX, XviD, and x264
    • WMV files offer compatibility with custom WMV profiles and settings such as variable bit rate encoding (VBR), uncompressed audio or video streams, video sizing, buffering adjustments, frame rate customization, etc.
    • DV and MPEG files directly from DV/HDV camcorders and TV tuners using an internal MPEG Encoder (via DirectCapture technology)
    • DV files acquisition from any compatible video capture device
    • MPEG-1/2/4 files, inclusive of VCD/SVCD/DVD standard profiles and FLV via an FFMPEG wrapper
    • WebM files
    • MP4 files with H264/HEVC + AAC codecs, utilizing CPU or GPU acceleration (Nvidia, AMD/ATI, Intel)
    • Customized output options through 3rd-party DirectShow filters
  • Audio capture capabilities to various formats, including:
    • WAV, with options for compressed or PCM format
    • WMA (Windows Media Audio)
    • MP3, using LAME encoding
    • Ogg Vorbis
  • Capture of frames to TBitmap class, HBITMAP Win32 handle, or as BMP, JPEG, and PNG image files
  • Video processing and effects:
    • image and text overlays
    • adjustable video transparency
    • controls for brightness, contrast, saturation, and hue
    • deinterlace
    • noise reduction
    • pan and zoom
    • resizing to any resolution
    • chroma-key compositing
    • integration with third-party DirectShow filters
  • Audio processing and effects:
    • volume amplification
    • equalizer
    • 3D-bass effect
  • TV Tuning
    • TV channels selecting
    • video formats selecting
    • input selection (TV-Tuner, FM-Tuner, S-Video, etc.)
    • TV frequency overrides
    • auto-tuning
  • Video capture device control
    • selection of video input through a crossbar interface
    • customization of video formats
    • adjustment of frame rates
    • support for multi-input video cards
    • camera adjustments for brightness, saturation, and other parameters
  • Network streaming
    • in WMV format
    • to other media servers and devices using the virtual camera/audio source
  • Motion detection
  • Support for closed captions
  • Custom interfaces
  • On-Screen Display (OSD)
  • Picture-In-Picture (PIP)
  • Encryption for video and audio content
  • Screen capture
  • Output to Virtual Camera SDK
  • Support for multiple output screens

Supported input devices:

  • MPEG-2 camcorders of DV and HDV formats
  • USB webcams and various capture devices, inclusive of 4K resolution support
  • PCI-based video capture cards
  • TV Tuners, both with and without an in-built MPEG Encoder
  • IP cameras and servers using JPEG/MJPEG, MPEG-4, and H.264 protocols over HTTP, RTSP, or RTMP, with support for HD streams
  • ONVIF-compliant IP cameras featuring PTZ controls
  • Various audio capture devices and sound cards
  • ASIO-compatible audio devices

Development platforms:

  • Visual Studio 2005 and later: Visual C#, Visual C++, Visual Basic .NET
  • Delphi 6 / 7 / 2005 / 2006 / 2007 / 2009 / 2010 / XE / XE2 / XE3 / XE4 / XE5 / XE6 / XE7 / XE8 / 10 / 10.1 / 10.2 / 10.3 / 10.4 / 11 / 12
  • Visual Studio 6: Visual C++, Visual Basic 6
  • Borland C++ Builder 5 and later
  • may be used with other ActiveX-compatible applications like Microsoft Access, Word, Excel, FrontPage, Powerbuilder, etc.
  • x86 and x64 versions

System requirements

  • Windows 11, Windows 10, Windows 8/8.1, Windows 7, Windows Vista, Windows Server 2012, and later
  • .Net Framework 4.0 or later (for ActiveX-based .Net demo applications)
  • DirectX 9 or later

Distribution rights

Royalty-free distribution.

Trial limitations

The trial version displays a watermark on the video window.









Supported input devices and other sources
  • Web cameras 
  • TV tuners
  • DV and MPEG camcorders 
  • Screen capture
  • HTTP / RTSP / ONVIF IP cameras
  • UDP, TCP, RTMP and other network streams
  • Additional engines for network streams
Video preview
Frame grabber
Video processing
Audio processing
HD and 4K video support
TV tuning
Network streaming in WMV format
Network streaming using RTMP / RTSP / UDP
Motion detection
Video processing using DirectShow filters
OSD (On-Screen Display)
Changing output file name on-the-fly
Multiple output screens
GPU-accelerated video effects
Output to Virtual Camera SDK
Video Encryption SDK support
Output formats
  • AVI
  • WMV (Windows Media Video)
  • WMA (Windows Media Audio)
  • WAV
  • MP3
  • Ogg Vorbis
  • DV video
  • DV / MPEG-1/2/4 (using TV tuner with internal MPEG encoder or DV/HDV camcorder)
  • Flash Video (FLV) using FFMPEG
  • WebM
  • Custom output formats using external DirectShow filters
  • MPEG-1/2/4 using FFMPEG
  • MP4 H264/AAC using software, Intel QuickSync or nVidia NVENC / CUDA

Purchase of Video Capture SDK (Delphi / ActiveX) will give you the following benefits:

  • Unlimited usage
  • No nag-screen
  • Free minor and major upgrades within one year (after one year, SDK will work the same as before) for a regular license and unlimited updates for unlimited time for the lifetime license
  • Priority support and fixes
The regular license is billed annually and automatically renewed each year. You can cancel your subscription at any time.

SDK contains optional FFMPEG and libVLC libraries licensed as LGPL v2.1.

VisioForge © 2006 - 2024