Audio Mixer DirectShow Filter: Release Notes


3.2.1.0 - Jan 25, 2025

  • Minor changes.

3.2.0.2 - Feb 17, 2023

  • Fixed bug with positioning during reverse playback.
  • Corrected debugging output.

3.2.0.1 - Feb 10, 2023

  • Fixed bug with reverse playback

3.2.0.0 - Dec 26, 2022

  • Added the ability to work with inputs with different sampling rates.
  • Added the ability to select the output sampling rate.
  • Added support for the IEEE_FLOAT (32-bit float) mediatype/stream on output pins
  • Corrected C++ and C# samples.

3.1.0.0 - Jun 17, 2022

  • Added support for the IEEE_FLOAT (32-bit float) mediatype/stream on input pins
  • The project has been updated in accordance with cumulative changes in the base libraries.
  • The compilation options for VS2015 are selected to install the filter also in Windows XP (v140_xp).
  • Fixed bug with opening the property page for 64 bit versions.
  • The protection settings were changed to reduce false positive notifications from antiviruses.

3.0.5.0 - Aug 29, 2016

  • Fixed bug with the loss of audio data for live sources after Run -> Pause transition.

3.0.4.0 - Jun 15, 2016

  • Corrected protection system (accumulated corrections).
  • Added interface IAVVersion for obtain filter's type (Debug/Release), version, compilation date/time, etc.
  • Added code signing certificate.
  • Corrected C++ and C# samples.

3.0.3.0 - Jun 22, 2015

  • Added code for registration customer specific CLSIDs for filter and property pages
  • Activated the internal Taggant System to fight against antivirus false positives in protected applications.

3.0.2.0 - Dec 22, 2014

  • Corrected code for media type check/agreement.
  • Corrected protection system.

3.0.1.0 - Jun 12, 2013

  • Upgraded to latest ATL.
  • Added method for upload license from application code.

3.0.0.0 - Jun 07, 2013

  • Upgraded license system.
  • Corrected C++ sample (positioning slider).
  • Filter moved to AVObjects.com.

2.7.4.0 - Apr 10, 2013

  • Fixed problems with multichannel sound (alignment of sound data
in internal container).

2.7.3.1 - Mar 12, 2013

  • Corrected previous fix for DeckLink audio renderer (invalid sound after Play->Pause->positioning->Play).

2.7.3.0 - Jan 12, 2013

  • Fixed problem with DeckLink audio renderer on Play -> Pause -> Stop transition.

2.7.2.0 - May 06, 2012

  • Added master stream mode to fill gaps in input streams.

2.7.1.0 - Apr 26, 2012

  • Fixed VS2010 error when compiling 32-bit Release version.

2.7.0.0 - Mar 31, 2012

  • Added 64-bit version.

2.6.0.7 - Sep 07, 2011

  • Fixed invalid calculation of positions in ring container for multichannel audio samples.

2.6.0.6 - Aug 01, 2011

  • Fixed bug with large samples (> 1 sec) on input.
  • Added C# sample.

2.6.0.4 - May 24, 2011

  • Removed invalid assert and corrected debug info.

2.6.0.3 - May 05, 2011

  • Fixed problem with property page opening on Windows 7.

2.6.0.2 - Mar 29, 2011

  • Fixed bug with dead lock on BeginFlush()/EndFlush() calls.
  • Size of internal buffers decreased to 1 second.

2.6.0.1 - Feb 11, 2011

  • Fixed bug with output sound rounding.

2.6.0.0 - Jan 25, 2011

  • Added support for 8 to 32 bit depth (bits per mono channel) independently for both inputs & outputs. Only 16 or 8 bits were allowed earlier.

2.5.0.5 - Nov 30, 2010

  • Settings for number of pins, channels, gain factors now don't change if filter is in "custom" mode before joining the graph.

2.5.0.4 - Oct 18, 2010

  • Fixed EndOfStream() bug.

2.5.0.3 - Jun 21, 2010

  • Fixed bug with stop position detection.

2.5.0.2 - Jun 21, 2010

  • Fixed positioning bugs: IMediaSeeking::SetPosition() and GetStopPosition() implementations.

2.5.0.1 - May 27, 2010

  • Fixed minor bug on property page.

2.5.0.0 - May 11, 2010

  • Added: Support of multichannel sound on inputs and outputs. Filter's interfaces changed.
  • Fixed: Positioning bug for use with DES.

2.1.4.1 - Apr 22, 2010

  • Fixed: Installation error for Windows 7.

2.1.4.0 - Apr 15, 2010

  • Fixed: Problems with gain factors for mono outputs.

2.1.3.0 - Apr 07, 2010

  • Fixed: Bug with initialization of Audio Mixer from IPersistStream.

2.1.2.9 - Apr 06, 2010

  • Fixed: Property page bug (invalid selection of output pin).

2.1.2.8 - Mar 24, 2010

  • Fixed: Protection bug.
  • Fixed: False positive notification from AVG antivirus.

2.1.2.7 - Mar 02, 2010

  • Fixed: invalid mixing for mono output stream.
  • Fixed: algorithm for calculate delay if rate != 1.0

2.1.2.6 - Feb 02, 2010

  • Fixed: invalid time stamps for output samples if rate != 1.0

2.1.2.5 - Jan 26, 2010

  • Fixed: installer bug for Vista.

2.1.2.4 - Jan 25, 2010

  • Fixed: DES bugs.

2.1.2.3 - Jan 14, 2010

  • Added: IMediaSeeking::SetRate() implementation.

2.1.2.2 - Nov 17, 2009

  • Fixed: Right channel of input pin is always substituted with left.

2.1.2.1 - Jul 22, 2009

  • Fixed: Problems with license files.

2.1.1.9 - May 27, 2009

  • Fixed: Methods of IAudioMixer interface corrected for use from VB6 (DWORD changed to int).

2.1.1.8 - May 25, 2009

  • Added: Debug info.
  • Fixed: Some problems with BeginFlush/EndFlush/NewSegment calls after positioning.

2.1.1.7 - May 12, 2009

  • Added: Regisry key for use size of minimal input sample as size of all output samples.

2.1.1.6 - May 05, 2009

  • Added: SEH handling in some functions.

2.1.1.5 - May 03, 2009

  • Fixed: Bug with EOS notification.
  • Fixed: Bug with stop position.
  • Fixed: Property page bugs with unused channels/pins.

2.1.1.4 - Apr 29, 2009

  • Fixed: Playing did not start after Run->Stop->Run.

2.1.1.3 - Apr 19, 2009

  • Fixed: Problem with incorrect size of input samples (partial atomic sample in DirectShow sample).

2.1.1.2 - Apr 15, 2009

  • Fixed: Bug with lost of last samples before EndOfStream.

2.1.1.1 - Apr 11, 2009

  • Fixed: Bug with low size of output samples.

2.1.1.0 - Mar 10, 2009

  • Fixed: Problems with Microsoft Voice codec.
  • Fixed: IMediaSeeking.
  • Added: Checking and filling gaps in input stream.

2.1.0.3 - Mar 02, 2009

  • Fixed: EndOfStream bug for "Wait all EOS" mode (data before EOS rejected).
  • Added: Test version of code for fill input stream's gaps with silence.

2.1.0.1 - Dec 24, 2008

  • Added: Selection of EndOfStream usage (playback stops after receiving first EOS or last EOS).
  • Fixed: Dead lock at positioning after IPin::BeginFlush call.

2.1.0.0 - Dec 18, 2008

  • Added: Dynamic range compression.
This version contains a lot of changes. Please test thoroughly before deployment.

2.0.0.5 – Aug 29, 2008

  • Fixed: Problem with different size of input samples.

2.0.0.4 – Aug 4, 2008

  • Fixed: Error in calculation of output allocator properties.
  • Fixed: Error in function for output delay correction.

2.0.0.1 – Mar 25, 2008

  • Fixed: Seek functionality improved.

2.0.0.0 – Mar 25, 2008

  • Fixed: Improved stability and performance.

1.3.0.0 – Mar 10, 2008

  • Fixed: Bad time stamps from MPEG Layer-3 decoder (assert tS <= tE).

1.2.1.0 – Jan 15, 2008

  • Note: First upload.