Audio Decoder DirectShow Filter: Release Notes


1.6.0.0 - Mar 16, 2025

  • The project has been updated in accordance with cumulative changes in the base libraries.
  • Fixed size of DirectShow samples for decoded AAC stream.
  • Fixed size of DirectShow samples for IEEE float output.
  • Enabled and fixed AC-3 decoding.
  • Updated and corrected debugging methods.
  • Upgraded to IPP 2022.0
  • Corrected protection system (cumulative corrections).
  • Corrected C++ and C# samples.

1.5.4.0 - Feb 03, 2023

  • Added support for the IEEE_FLOAT (32-bit float) mediatype/stream on output pin
  • Upgraded to IPP 2021.6.2
  • Corrected base class for output pins
  • Updated property page

1.5.3.0 - Oct 06, 2017

  • Fixed code of output pin class for work with GMFBridge.
  • The project was recompiled with VS2015, fixed compilation errors and warnings.
  • The protection settings were changed to reduce false positive notifications from antiviruses.

1.5.2.0 - Sep 21, 2016

  • Added interface IAVVersion for obtain filter's type (Debug/Release), version, compilation date/time, etc.
  • Corrected protection system (accumulated corrections).
  • Added code signing certificate.
  • Added cumulative corrections in base libraries.
  • Fixed ADTS stream bug for unknown number of channels (adts_fixed_header::channel_configuration == 0).
  • Fixed decoder bug for two SCE channels in one 2-channel frame.
  • Corrected C++ and C# samples.

1.5.1.0 - Mar 22, 2014

  • Fixed ADTS stream bugs for audio from MPEG-2 Transport stream.

1.5.0.0 - Aug 01, 2013

  • Corrected SBR mode parameters for ADTS and ADIF formats.
  • Upgraded to latest ATL.
  • Upgraded license system.
  • Added method for upload license from application code.
  • Filter moved to AVObjects.com.

1.2.0.0 - Aug 28, 2012

  • Added support for ADIF and ADTS streams.
  • Added dynamic media type changing.
  • Output pin derived from new base class.

1.1.0.0 - Jun 18, 2012

  • Added 64-bit version.
  • Added C++ and C# samples.
  • Fixed AAC SBR sound (invalid low frequency).
  • Fixed AAC channel distribution.

1.0.2.5 - Jan 15, 2012

  • String parameters of SetMerit() method converted to Unicode.

1.0.2.4 - May 11, 2011

  • Fixed problem with property page opening on Windows 7.

1.0.2.2 - Sep 22, 2010

  • Disabled decoding of AC-3 encoded sound.

1.0.2.1 - Sep 16, 2010

  • Added multichannel audio for AAC.
  • Fixed distribution of channels for AAC.
  • Fixed media type for multichannel sound.

1.0.2.0 - Apr 30, 2010

  • Minor changes.

1.0.1.8 - Mar 24, 2010

  • Fixed false positive notification from AVG antivirus.

1.0.1.6 - Mar 03, 2010

  • Added registry settings for pass-through mode and float algorithm.

1.0.1.5 - Mar 02, 2010

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

1.0.1.4 - Jan 28, 2010

  • Fixed installer bug for Windows Vista.

1.0.1.3 - Jan 20, 2010

  • Fixed dynamic media type changing.
  • AC-3 stream parsing.
  • Added IPP 6.1.3.

1.0.1.1 - Dec 14, 2009

  • Added new connection media type for AAC sound (output media type of MainConcept AAC Encoder).

1.0.1.0 - Nov 15, 2009

  • Added support of audio stream with 0x2000 tag.

1.0.0.9 - Oct 07, 2009

  • Added: Multichannel audio for AC3.
  • Added: Upgraded to IPP 6.1.
  • Fixed: Decoding of high bitrates for Layer II in single_channel mode.
  • Fixed: Connection bug (wBitsPerSample = 0).

1.0.0.8 - Sep 02, 2009

  • Added: AAC decoding.

1.0.0.7 - Jun 24, 2009

  • Fixed: Corrected installer.

1.0.0.6 - Mar 26, 2009

  • Added: Changing of merit value with rundll32.exe.

1.0.0.5 - Feb 12, 2009

  • Added: Pass through mode for input time stamps (interface methods and control on property page).

1.0.0.4 - Feb 10, 2009

  • Added: Support of LPCM sound (16 bits, mono/stereo).

1.0.0.3 - Feb 02, 2009

  • Fixed: Names of property pages changed (added prefix MLAud).

1.0.0.2 - Jan 05, 2009

  • Note: First upload.