Audio/Video Synchronizer DirectShow Filter: Release Notes

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This page is a copy of the original page on the AVObjects' web site and can also be viewed here. - Feb 23, 2015

  • Added audio delay feature and interface methods for get/set audio delay.
  • Added method for get video stream parameters (number of input, skipped, duplicated and output frames).
  • Added method for check gaps in the video stream (current and maximal difference between clock and start time of sample).
  • Added method for get parameters of output video samples (current and maximal number of cached samples, number of buffers in allocator).
  • Added method for enable/disable real duplication of output video samples.
  • Extended property page for support new functionality. - Dec 07, 2015

  • The filter was updated according to changes in the base libraries.
  • Corrected methods for connecting pins. - Sep 11, 2014

  • Upgraded protection.
  • Added C++ sample. - Sep 29, 2013

  • Upgraded to latest ATL
  • Upgraded license system, added method for upload license from application code
  • Filter moved to - Feb 06, 2012

  • Synchronization algorithm rewritten - Jan 20, 2012

  • Fixed: problem with round-off error for big start times from Reference Clock - May 18, 2011

  • Fixed problem with invalid video media times (0,1), (0,1), ... - May 05, 2011

  • Fixed problem with property page opening on Windows 7.
  • Added method to disable usage of input video media times. - Jan 10, 2011

  • Added synchronization for video devices, which don't use Reference Clock for time stamping. - Mar 24, 2010

  • Fixed false positive notification from AVG antivirus. - Jan 26, 2010

  • Fixed installer bug for Windows Vista. - Oct 16, 2009

  • Fixed error on property page (invalid parameters for "Max duration of audio..."). - May 24, 2009

  • Fixed usage of filter from VB6. Interface of filter corrected for VB6 support. - Apr 24, 2009

  • Interface of filter and property page corrected.
  • Added usage of input FPS on output.
  • Added method to set maximum duration of audio samples.
  • Added type library.
  • Fixed problem with bad media times for audio stream from DeckLink boards.
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